id sid tid token lemma pos 28553 1 1 Transcriber Transcriber NNP 28553 1 2 's 's POS 28553 1 3 Note note NN 28553 1 4 The the DT 28553 1 5 punctuation punctuation NN 28553 1 6 and and CC 28553 1 7 spelling spelling NN 28553 1 8 from from IN 28553 1 9 the the DT 28553 1 10 original original JJ 28553 1 11 text text NN 28553 1 12 have have VBP 28553 1 13 been be VBN 28553 1 14 faithfully faithfully RB 28553 1 15 preserved preserve VBN 28553 1 16 . . . 28553 2 1 Only only RB 28553 2 2 obvious obvious JJ 28553 2 3 typographical typographical JJ 28553 2 4 errors error NNS 28553 2 5 have have VBP 28553 2 6 been be VBN 28553 2 7 corrected correct VBN 28553 2 8 . . . 28553 3 1 Subscripts subscript NNS 28553 3 2 are be VBP 28553 3 3 represented represent VBN 28553 3 4 as as IN 28553 3 5 X_1 X_1 NNP 28553 3 6 . . . 28553 4 1 Superscripts superscript NNS 28553 4 2 are be VBP 28553 4 3 represented represent VBN 28553 4 4 by by IN 28553 4 5 X^1 X^1 NNP 28553 4 6 . . . 28553 5 1 HOW how WRB 28553 5 2 IT it PRP 28553 5 3 WORKS works NN 28553 5 4 AUTHOR AUTHOR NNP 28553 5 5 'S 's POS 28553 5 6 NOTE note NN 28553 5 7 . . . 28553 6 1 I -PRON- PRP 28553 6 2 beg beg VBP 28553 6 3 to to TO 28553 6 4 thank thank VB 28553 6 5 the the DT 28553 6 6 following follow VBG 28553 6 7 gentlemen gentleman NNS 28553 6 8 and and CC 28553 6 9 firms firm NNS 28553 6 10 for for IN 28553 6 11 the the DT 28553 6 12 help help NN 28553 6 13 they -PRON- PRP 28553 6 14 have have VBP 28553 6 15 given give VBN 28553 6 16 me -PRON- PRP 28553 6 17 in in IN 28553 6 18 connection connection NN 28553 6 19 with with IN 28553 6 20 the the DT 28553 6 21 letterpress letterpress NN 28553 6 22 and and CC 28553 6 23 illustrations illustration NNS 28553 6 24 of of IN 28553 6 25 " " `` 28553 6 26 How how WRB 28553 6 27 It -PRON- PRP 28553 6 28 Works"-- Works"-- VBZ 28553 6 29 Messrs. Messrs. NNPS 28553 6 30 F.J.C. F.J.C. NNP 28553 7 1 Pole Pole NNP 28553 7 2 and and CC 28553 7 3 M.G. M.G. NNP 28553 8 1 Tweedie Tweedie NNP 28553 8 2 ( ( -LRB- 28553 8 3 for for IN 28553 8 4 revision revision NN 28553 8 5 of of IN 28553 8 6 MS MS NNP 28553 8 7 . . . 28553 8 8 ) ) -RRB- 28553 8 9 ; ; : 28553 8 10 W. W. NNP 28553 8 11 Lineham Lineham NNP 28553 8 12 ; ; : 28553 8 13 J.F. J.F. NNP 28553 9 1 Kendall Kendall NNP 28553 9 2 ; ; : 28553 9 3 E. E. NNP 28553 9 4 Edser Edser NNP 28553 9 5 ; ; : 28553 9 6 A.D. A.D. NNP 28553 10 1 Helps help VBZ 28553 10 2 ; ; : 28553 10 3 J. J. NNP 28553 10 4 Limb Limb NNP 28553 10 5 ; ; : 28553 10 6 The the DT 28553 10 7 Edison Edison NNP 28553 10 8 Bell Bell NNP 28553 10 9 Phonograph Phonograph NNP 28553 10 10 Co. Co. NNP 28553 10 11 ; ; : 28553 10 12 Messrs. Messrs. NNP 28553 10 13 Holmes Holmes NNP 28553 10 14 and and CC 28553 10 15 Co. Co. NNP 28553 10 16 ; ; : 28553 10 17 The the DT 28553 10 18 Pelton Pelton NNP 28553 10 19 Wheel Wheel NNP 28553 10 20 Co. Co. NNP 28553 10 21 ; ; : 28553 10 22 Messrs. Messrs. NNP 28553 10 23 Babcock Babcock NNP 28553 10 24 and and CC 28553 10 25 Wilcox Wilcox NNP 28553 10 26 ; ; : 28553 10 27 Messrs. Messrs. NNP 28553 10 28 Siebe Siebe NNP 28553 10 29 , , , 28553 10 30 Gorman Gorman NNP 28553 10 31 , , , 28553 10 32 and and CC 28553 10 33 Co. Co. NNP 28553 10 34 ; ; : 28553 10 35 Messrs. Messrs. NNP 28553 10 36 Negretti Negretti NNP 28553 10 37 and and CC 28553 10 38 Zambra Zambra NNP 28553 10 39 ; ; : 28553 10 40 Messrs. Messrs. NNP 28553 10 41 Chubb Chubb NNP 28553 10 42 ; ; : 28553 10 43 The the DT 28553 10 44 Yale Yale NNP 28553 10 45 Lock Lock NNP 28553 10 46 Co. Co. NNP 28553 10 47 ; ; : 28553 10 48 The the DT 28553 10 49 Micrometer Micrometer NNP 28553 10 50 Engineering Engineering NNP 28553 10 51 Co. Co. NNP 28553 10 52 ; ; : 28553 10 53 Messrs. Messrs. NNP 28553 10 54 Marshall Marshall NNP 28553 10 55 and and CC 28553 10 56 Sons Sons NNPS 28553 10 57 ; ; : 28553 10 58 The the DT 28553 10 59 Maignen Maignen NNP 28553 10 60 Filter Filter NNP 28553 10 61 Co. Co. NNP 28553 10 62 ; ; : 28553 10 63 Messrs. Messrs. NNP 28553 10 64 Broadwood Broadwood NNP 28553 10 65 and and CC 28553 10 66 Co. Co. NNP 28553 10 67 [ [ -LRB- 28553 10 68 Illustration illustration NN 28553 10 69 : : : 28553 10 70 ON on IN 28553 10 71 THE the DT 28553 10 72 FOOTPLATE footplate NN 28553 10 73 OF of IN 28553 10 74 A a DT 28553 10 75 LOCOMOTIVE LOCOMOTIVE NNP 28553 10 76 . . . 28553 10 77 ] ] -RRB- 28553 11 1 How how WRB 28553 11 2 It -PRON- PRP 28553 11 3 Works work VBZ 28553 11 4 Dealing deal VBG 28553 11 5 in in IN 28553 11 6 Simple Simple NNP 28553 11 7 Language Language NNP 28553 11 8 with with IN 28553 11 9 Steam Steam NNP 28553 11 10 , , , 28553 11 11 Electricity Electricity NNP 28553 11 12 , , , 28553 11 13 Light Light NNP 28553 11 14 , , , 28553 11 15 Heat Heat NNP 28553 11 16 , , , 28553 11 17 Sound Sound NNP 28553 11 18 , , , 28553 11 19 Hydraulics Hydraulics NNP 28553 11 20 , , , 28553 11 21 Optics Optics NNP 28553 11 22 , , , 28553 11 23 etc etc FW 28553 11 24 . . . 28553 12 1 and and CC 28553 12 2 with with IN 28553 12 3 their -PRON- PRP$ 28553 12 4 applications application NNS 28553 12 5 to to IN 28553 12 6 Apparatus Apparatus NNP 28553 12 7 in in IN 28553 12 8 Common Common NNP 28553 12 9 Use Use NNP 28553 12 10 By by IN 28553 12 11 ARCHIBALD ARCHIBALD NNP 28553 12 12 WILLIAMS WILLIAMS NNP 28553 12 13 Author author NN 28553 12 14 of of IN 28553 12 15 " " `` 28553 12 16 The the DT 28553 12 17 Romance Romance NNP 28553 12 18 of of IN 28553 12 19 Modern Modern NNP 28553 12 20 Invention Invention NNP 28553 12 21 , , , 28553 12 22 " " '' 28553 12 23 " " `` 28553 12 24 The the DT 28553 12 25 Romance Romance NNP 28553 12 26 of of IN 28553 12 27 Mining Mining NNP 28553 12 28 , , , 28553 12 29 " " '' 28553 12 30 etc etc FW 28553 12 31 . . FW 28553 12 32 , , , 28553 12 33 etc etc FW 28553 12 34 . . . 28553 13 1 THOMAS THOMAS NNP 28553 13 2 NELSON NELSON NNP 28553 13 3 AND and CC 28553 13 4 SONS SONS NNP 28553 13 5 London London NNP 28553 13 6 , , , 28553 13 7 Edinburgh Edinburgh NNP 28553 13 8 , , , 28553 13 9 Dublin Dublin NNP 28553 13 10 , , , 28553 13 11 and and CC 28553 13 12 New New NNP 28553 13 13 York York NNP 28553 13 14 PREFACE PREFACE NNP 28553 13 15 . . . 28553 14 1 How how WRB 28553 14 2 does do VBZ 28553 14 3 it -PRON- PRP 28553 14 4 work work VB 28553 14 5 ? ? . 28553 15 1 This this DT 28553 15 2 question question NN 28553 15 3 has have VBZ 28553 15 4 been be VBN 28553 15 5 put put VBN 28553 15 6 to to IN 28553 15 7 me -PRON- PRP 28553 15 8 so so RB 28553 15 9 often often RB 28553 15 10 by by IN 28553 15 11 persons person NNS 28553 15 12 young young JJ 28553 15 13 and and CC 28553 15 14 old old JJ 28553 15 15 that that IN 28553 15 16 I -PRON- PRP 28553 15 17 have have VBP 28553 15 18 at at IN 28553 15 19 last last RB 28553 15 20 decided decide VBD 28553 15 21 to to TO 28553 15 22 answer answer VB 28553 15 23 it -PRON- PRP 28553 15 24 in in IN 28553 15 25 such such PDT 28553 15 26 a a DT 28553 15 27 manner manner NN 28553 15 28 that that WDT 28553 15 29 a a DT 28553 15 30 much much RB 28553 15 31 larger large JJR 28553 15 32 public public NN 28553 15 33 than than IN 28553 15 34 that that DT 28553 15 35 with with IN 28553 15 36 which which WDT 28553 15 37 I -PRON- PRP 28553 15 38 have have VBP 28553 15 39 personal personal JJ 28553 15 40 acquaintance acquaintance NN 28553 15 41 may may MD 28553 15 42 be be VB 28553 15 43 able able JJ 28553 15 44 to to TO 28553 15 45 satisfy satisfy VB 28553 15 46 themselves -PRON- PRP 28553 15 47 as as IN 28553 15 48 to to IN 28553 15 49 the the DT 28553 15 50 principles principle NNS 28553 15 51 underlying underlie VBG 28553 15 52 many many JJ 28553 15 53 of of IN 28553 15 54 the the DT 28553 15 55 mechanisms mechanism NNS 28553 15 56 met meet VBD 28553 15 57 with with IN 28553 15 58 in in IN 28553 15 59 everyday everyday JJ 28553 15 60 life life NN 28553 15 61 . . . 28553 16 1 In in IN 28553 16 2 order order NN 28553 16 3 to to TO 28553 16 4 include include VB 28553 16 5 steam steam NN 28553 16 6 , , , 28553 16 7 electricity electricity NN 28553 16 8 , , , 28553 16 9 optics optic NNS 28553 16 10 , , , 28553 16 11 hydraulics hydraulics NN 28553 16 12 , , , 28553 16 13 thermics thermic NNS 28553 16 14 , , , 28553 16 15 light light NN 28553 16 16 , , , 28553 16 17 and and CC 28553 16 18 a a DT 28553 16 19 variety variety NN 28553 16 20 of of IN 28553 16 21 detached detach VBN 28553 16 22 mechanisms mechanism NNS 28553 16 23 which which WDT 28553 16 24 can can MD 28553 16 25 not not RB 28553 16 26 be be VB 28553 16 27 classified classify VBN 28553 16 28 under under IN 28553 16 29 any any DT 28553 16 30 one one CD 28553 16 31 of of IN 28553 16 32 these these DT 28553 16 33 heads head NNS 28553 16 34 , , , 28553 16 35 within within IN 28553 16 36 the the DT 28553 16 37 compass compass NN 28553 16 38 of of IN 28553 16 39 about about RB 28553 16 40 450 450 CD 28553 16 41 pages page NNS 28553 16 42 , , , 28553 16 43 I -PRON- PRP 28553 16 44 have have VBP 28553 16 45 to to TO 28553 16 46 be be VB 28553 16 47 content content JJ 28553 16 48 with with IN 28553 16 49 a a DT 28553 16 50 comparatively comparatively RB 28553 16 51 brief brief JJ 28553 16 52 treatment treatment NN 28553 16 53 of of IN 28553 16 54 each each DT 28553 16 55 subject subject NN 28553 16 56 . . . 28553 17 1 This this DT 28553 17 2 brevity brevity NN 28553 17 3 has have VBZ 28553 17 4 in in IN 28553 17 5 turn turn NN 28553 17 6 compelled compel VBD 28553 17 7 me -PRON- PRP 28553 17 8 to to TO 28553 17 9 deal deal VB 28553 17 10 with with IN 28553 17 11 principles principle NNS 28553 17 12 rather rather RB 28553 17 13 than than IN 28553 17 14 with with IN 28553 17 15 detailed detailed JJ 28553 17 16 descriptions description NNS 28553 17 17 of of IN 28553 17 18 individual individual JJ 28553 17 19 devices device NNS 28553 17 20 -- -- : 28553 17 21 though though RB 28553 17 22 in in IN 28553 17 23 several several JJ 28553 17 24 cases case NNS 28553 17 25 recognized recognize VBD 28553 17 26 types type NNS 28553 17 27 are be VBP 28553 17 28 examined examine VBN 28553 17 29 . . . 28553 18 1 The the DT 28553 18 2 reader reader NN 28553 18 3 will will MD 28553 18 4 look look VB 28553 18 5 in in IN 28553 18 6 vain vain NN 28553 18 7 for for IN 28553 18 8 accounts account NNS 28553 18 9 of of IN 28553 18 10 the the DT 28553 18 11 Yerkes Yerkes NNP 28553 18 12 telescope telescope NN 28553 18 13 , , , 28553 18 14 of of IN 28553 18 15 the the DT 28553 18 16 latest late JJS 28553 18 17 thing thing NN 28553 18 18 in in IN 28553 18 19 motor motor NN 28553 18 20 cars car NNS 28553 18 21 , , , 28553 18 22 and and CC 28553 18 23 of of IN 28553 18 24 the the DT 28553 18 25 largest large JJS 28553 18 26 locomotive locomotive JJ 28553 18 27 . . . 28553 19 1 But but CC 28553 19 2 he -PRON- PRP 28553 19 3 will will MD 28553 19 4 be be VB 28553 19 5 put put VBN 28553 19 6 in in IN 28553 19 7 the the DT 28553 19 8 way way NN 28553 19 9 of of IN 28553 19 10 understanding understand VBG 28553 19 11 the the DT 28553 19 12 essential essential JJ 28553 19 13 nature nature NN 28553 19 14 of of IN 28553 19 15 _ _ NNP 28553 19 16 all all DT 28553 19 17 _ _ NNP 28553 19 18 telescopes telescope NNS 28553 19 19 , , , 28553 19 20 motors motor NNS 28553 19 21 , , , 28553 19 22 and and CC 28553 19 23 steam steam NN 28553 19 24 - - HYPH 28553 19 25 engines engine NNS 28553 19 26 so so RB 28553 19 27 far far RB 28553 19 28 as as IN 28553 19 29 they -PRON- PRP 28553 19 30 are be VBP 28553 19 31 at at IN 28553 19 32 present present JJ 28553 19 33 developed develop VBN 28553 19 34 , , , 28553 19 35 which which WDT 28553 19 36 I -PRON- PRP 28553 19 37 think think VBP 28553 19 38 may may MD 28553 19 39 be be VB 28553 19 40 of of IN 28553 19 41 greater great JJR 28553 19 42 ultimate ultimate JJ 28553 19 43 profit profit NN 28553 19 44 to to IN 28553 19 45 the the DT 28553 19 46 uninitiated uninitiated JJ 28553 19 47 . . . 28553 20 1 While while IN 28553 20 2 careful careful JJ 28553 20 3 to to TO 28553 20 4 avoid avoid VB 28553 20 5 puzzling puzzle VBG 28553 20 6 the the DT 28553 20 7 reader reader NN 28553 20 8 by by IN 28553 20 9 the the DT 28553 20 10 use use NN 28553 20 11 of of IN 28553 20 12 mysterious mysterious JJ 28553 20 13 phraseology phraseology NN 28553 20 14 I -PRON- PRP 28553 20 15 consider consider VBP 28553 20 16 that that IN 28553 20 17 the the DT 28553 20 18 parts part NNS 28553 20 19 of of IN 28553 20 20 a a DT 28553 20 21 machine machine NN 28553 20 22 should should MD 28553 20 23 be be VB 28553 20 24 given give VBN 28553 20 25 their -PRON- PRP$ 28553 20 26 technical technical JJ 28553 20 27 names name NNS 28553 20 28 wherever wherever WRB 28553 20 29 possible possible JJ 28553 20 30 . . . 28553 21 1 To to TO 28553 21 2 prevent prevent VB 28553 21 3 misconception misconception NN 28553 21 4 , , , 28553 21 5 many many JJ 28553 21 6 of of IN 28553 21 7 the the DT 28553 21 8 diagrams diagram NNS 28553 21 9 accompanying accompany VBG 28553 21 10 the the DT 28553 21 11 letterpress letterpress NN 28553 21 12 have have VBP 28553 21 13 words word NNS 28553 21 14 as as RB 28553 21 15 well well RB 28553 21 16 as as IN 28553 21 17 letters letter NNS 28553 21 18 written write VBN 28553 21 19 on on IN 28553 21 20 them -PRON- PRP 28553 21 21 . . . 28553 22 1 This this DT 28553 22 2 course course NN 28553 22 3 also also RB 28553 22 4 obviates obviate VBZ 28553 22 5 the the DT 28553 22 6 wearisome wearisome NNP 28553 22 7 reference reference NN 28553 22 8 from from IN 28553 22 9 text text NN 28553 22 10 to to IN 28553 22 11 diagram diagram NN 28553 22 12 necessitated necessitate VBN 28553 22 13 by by IN 28553 22 14 the the DT 28553 22 15 use use NN 28553 22 16 of of IN 28553 22 17 solitary solitary JJ 28553 22 18 letters letter NNS 28553 22 19 or or CC 28553 22 20 figures figure NNS 28553 22 21 . . . 28553 23 1 I -PRON- PRP 28553 23 2 may may MD 28553 23 3 add add VB 28553 23 4 , , , 28553 23 5 with with IN 28553 23 6 regard regard NN 28553 23 7 to to IN 28553 23 8 the the DT 28553 23 9 diagrams diagram NNS 28553 23 10 of of IN 28553 23 11 this this DT 28553 23 12 book book NN 28553 23 13 , , , 28553 23 14 that that IN 28553 23 15 they -PRON- PRP 28553 23 16 are be VBP 28553 23 17 purposely purposely RB 28553 23 18 somewhat somewhat RB 28553 23 19 unconventional unconventional JJ 28553 23 20 , , , 28553 23 21 not not RB 28553 23 22 being be VBG 28553 23 23 drawn draw VBN 28553 23 24 to to TO 28553 23 25 scale scale VB 28553 23 26 nor nor CC 28553 23 27 conforming conform VBG 28553 23 28 to to IN 28553 23 29 the the DT 28553 23 30 canons canon NNS 28553 23 31 of of IN 28553 23 32 professional professional JJ 28553 23 33 draughtsmanship draughtsmanship NN 28553 23 34 . . . 28553 24 1 Where where WRB 28553 24 2 advisable advisable JJ 28553 24 3 , , , 28553 24 4 a a DT 28553 24 5 part part NN 28553 24 6 of of IN 28553 24 7 a a DT 28553 24 8 machine machine NN 28553 24 9 has have VBZ 28553 24 10 been be VBN 28553 24 11 exaggerated exaggerate VBN 28553 24 12 to to TO 28553 24 13 show show VB 28553 24 14 its -PRON- PRP$ 28553 24 15 details detail NNS 28553 24 16 . . . 28553 25 1 As as IN 28553 25 2 a a DT 28553 25 3 rule rule NN 28553 25 4 solid solid JJ 28553 25 5 black black NN 28553 25 6 has have VBZ 28553 25 7 been be VBN 28553 25 8 preferred prefer VBN 28553 25 9 to to IN 28553 25 10 fine fine JJ 28553 25 11 shading shading NN 28553 25 12 in in IN 28553 25 13 sectional sectional JJ 28553 25 14 drawings drawing NNS 28553 25 15 , , , 28553 25 16 and and CC 28553 25 17 all all DT 28553 25 18 unnecessary unnecessary JJ 28553 25 19 lines line NNS 28553 25 20 are be VBP 28553 25 21 omitted omit VBN 28553 25 22 . . . 28553 26 1 I -PRON- PRP 28553 26 2 would would MD 28553 26 3 here here RB 28553 26 4 acknowledge acknowledge VB 28553 26 5 my -PRON- PRP$ 28553 26 6 indebtedness indebtedness NN 28553 26 7 to to IN 28553 26 8 my -PRON- PRP$ 28553 26 9 draughtsman draughtsman NN 28553 26 10 , , , 28553 26 11 Mr. Mr. NNP 28553 26 12 Frank Frank NNP 28553 26 13 Hodgson Hodgson NNP 28553 26 14 , , , 28553 26 15 for for IN 28553 26 16 his -PRON- PRP$ 28553 26 17 care care NN 28553 26 18 and and CC 28553 26 19 industry industry NN 28553 26 20 in in IN 28553 26 21 preparing prepare VBG 28553 26 22 the the DT 28553 26 23 two two CD 28553 26 24 hundred hundred CD 28553 26 25 or or CC 28553 26 26 more more JJR 28553 26 27 diagrams diagram NNS 28553 26 28 for for IN 28553 26 29 which which WDT 28553 26 30 he -PRON- PRP 28553 26 31 was be VBD 28553 26 32 responsible responsible JJ 28553 26 33 . . . 28553 27 1 Four four CD 28553 27 2 organs organ NNS 28553 27 3 of of IN 28553 27 4 the the DT 28553 27 5 body body NN 28553 27 6 -- -- : 28553 27 7 the the DT 28553 27 8 eye eye NN 28553 27 9 , , , 28553 27 10 the the DT 28553 27 11 ear ear NN 28553 27 12 , , , 28553 27 13 the the DT 28553 27 14 larynx larynx NN 28553 27 15 , , , 28553 27 16 and and CC 28553 27 17 the the DT 28553 27 18 heart heart NN 28553 27 19 -- -- : 28553 27 20 are be VBP 28553 27 21 noticed notice VBN 28553 27 22 in in IN 28553 27 23 appropriate appropriate JJ 28553 27 24 places place NNS 28553 27 25 . . . 28553 28 1 The the DT 28553 28 2 eye eye NN 28553 28 3 is be VBZ 28553 28 4 compared compare VBN 28553 28 5 with with IN 28553 28 6 the the DT 28553 28 7 camera camera NN 28553 28 8 , , , 28553 28 9 the the DT 28553 28 10 larynx larynx NN 28553 28 11 with with IN 28553 28 12 a a DT 28553 28 13 reed reed NN 28553 28 14 pipe pipe NN 28553 28 15 , , , 28553 28 16 the the DT 28553 28 17 heart heart NN 28553 28 18 with with IN 28553 28 19 a a DT 28553 28 20 pump pump NN 28553 28 21 , , , 28553 28 22 while while IN 28553 28 23 the the DT 28553 28 24 ear ear NN 28553 28 25 fitly fitly RB 28553 28 26 opens open VBZ 28553 28 27 the the DT 28553 28 28 chapter chapter NN 28553 28 29 on on IN 28553 28 30 acoustics acoustic NNS 28553 28 31 . . . 28553 29 1 The the DT 28553 29 2 reader reader NN 28553 29 3 who who WP 28553 29 4 is be VBZ 28553 29 5 unacquainted unacquainte VBN 28553 29 6 with with IN 28553 29 7 physiology physiology NN 28553 29 8 will will MD 28553 29 9 thus thus RB 28553 29 10 be be VB 28553 29 11 enabled enable VBN 28553 29 12 to to TO 28553 29 13 appreciate appreciate VB 28553 29 14 the the DT 28553 29 15 better well JJR 28553 29 16 these these DT 28553 29 17 marvellous marvellous JJ 28553 29 18 devices device NNS 28553 29 19 , , , 28553 29 20 far far RB 28553 29 21 more more RBR 28553 29 22 marvellous marvellous JJ 28553 29 23 , , , 28553 29 24 by by IN 28553 29 25 reason reason NN 28553 29 26 of of IN 28553 29 27 their -PRON- PRP$ 28553 29 28 absolutely absolutely RB 28553 29 29 automatic automatic JJ 28553 29 30 action action NN 28553 29 31 , , , 28553 29 32 than than IN 28553 29 33 any any DT 28553 29 34 creation creation NN 28553 29 35 of of IN 28553 29 36 human human JJ 28553 29 37 hands hand NNS 28553 29 38 . . . 28553 30 1 A.W. A.W. NNP 28553 31 1 UPLANDS upland NNS 28553 31 2 , , , 28553 31 3 STOKE STOKE NNP 28553 31 4 POGES poge NNS 28553 31 5 , , , 28553 31 6 BUCKS buck NNS 28553 31 7 . . . 28553 32 1 CONTENTS content NNS 28553 32 2 . . . 28553 33 1 Chapter chapter NN 28553 33 2 I.--THE i.--the NN 28553 33 3 STEAM STEAM NNP 28553 33 4 - - HYPH 28553 33 5 ENGINE engine NN 28553 33 6 . . . 28553 34 1 What what WP 28553 34 2 is be VBZ 28553 34 3 steam?--The steam?--The NNP 28553 34 4 mechanical mechanical JJ 28553 34 5 energy energy NN 28553 34 6 of of IN 28553 34 7 steam steam NN 28553 34 8 -- -- : 28553 34 9 The the DT 28553 34 10 boiler boiler NN 28553 34 11 -- -- : 28553 34 12 The the DT 28553 34 13 circulation circulation NN 28553 34 14 of of IN 28553 34 15 water water NN 28553 34 16 in in IN 28553 34 17 a a DT 28553 34 18 boiler boiler NN 28553 34 19 -- -- : 28553 34 20 The the DT 28553 34 21 enclosed enclose VBN 28553 34 22 furnace furnace NN 28553 34 23 -- -- : 28553 34 24 The the DT 28553 34 25 multitubular multitubular JJ 28553 34 26 boiler boiler NN 28553 34 27 -- -- : 28553 34 28 Fire fire NN 28553 34 29 - - HYPH 28553 34 30 tube tube NN 28553 34 31 boilers boiler NNS 28553 34 32 -- -- : 28553 34 33 Other other JJ 28553 34 34 types type NNS 28553 34 35 of of IN 28553 34 36 boilers boiler NNS 28553 34 37 -- -- : 28553 34 38 Aids Aids NNP 28553 34 39 to to TO 28553 34 40 combustion combustion NN 28553 34 41 -- -- : 28553 34 42 Boiler boiler NN 28553 34 43 fittings fitting NNS 28553 34 44 -- -- : 28553 34 45 The the DT 28553 34 46 safety safety NN 28553 34 47 - - HYPH 28553 34 48 valve valve NN 28553 34 49 -- -- : 28553 34 50 The the DT 28553 34 51 water water NN 28553 34 52 - - HYPH 28553 34 53 gauge gauge NN 28553 34 54 -- -- : 28553 34 55 The the DT 28553 34 56 steam steam NN 28553 34 57 - - HYPH 28553 34 58 gauge gauge NN 28553 34 59 -- -- : 28553 34 60 The the DT 28553 34 61 water water NN 28553 34 62 supply supply NN 28553 34 63 to to IN 28553 34 64 a a DT 28553 34 65 boiler boiler NN 28553 34 66 13 13 CD 28553 34 67 Chapter chapter NN 28553 34 68 II.--THE ii.--the NN 28553 34 69 CONVERSION CONVERSION NNP 28553 34 70 OF of IN 28553 34 71 HEAT HEAT NNP 28553 34 72 ENERGY ENERGY NNP 28553 34 73 INTO INTO NNP 28553 34 74 MECHANICAL MECHANICAL NNS 28553 34 75 MOTION motion NN 28553 34 76 . . . 28553 35 1 Reciprocating reciprocate VBG 28553 35 2 engines engine NNS 28553 35 3 -- -- : 28553 35 4 Double double JJ 28553 35 5 - - HYPH 28553 35 6 cylinder cylinder NN 28553 35 7 engines engine NNS 28553 35 8 -- -- : 28553 35 9 The the DT 28553 35 10 function function NN 28553 35 11 of of IN 28553 35 12 the the DT 28553 35 13 fly fly NN 28553 35 14 - - HYPH 28553 35 15 wheel wheel NN 28553 35 16 -- -- : 28553 35 17 The the DT 28553 35 18 cylinder cylinder NN 28553 35 19 -- -- : 28553 35 20 The the DT 28553 35 21 slide slide NN 28553 35 22 - - HYPH 28553 35 23 valve valve NN 28553 35 24 -- -- . 28553 35 25 The the DT 28553 35 26 eccentric--"Lap eccentric--"Lap NNP 28553 35 27 " " '' 28553 35 28 of of IN 28553 35 29 the the DT 28553 35 30 valve valve NN 28553 35 31 : : : 28553 35 32 expansion expansion NN 28553 35 33 of of IN 28553 35 34 steam steam NN 28553 35 35 -- -- : 28553 35 36 How how WRB 28553 35 37 the the DT 28553 35 38 cut cut NN 28553 35 39 - - HYPH 28553 35 40 off off RP 28553 35 41 is be VBZ 28553 35 42 managed manage VBN 28553 35 43 -- -- : 28553 35 44 Limit limit NN 28553 35 45 of of IN 28553 35 46 expansive expansive JJ 28553 35 47 working work VBG 28553 35 48 -- -- : 28553 35 49 Compound compound NN 28553 35 50 engines engine NNS 28553 35 51 -- -- : 28553 35 52 Arrangement arrangement NN 28553 35 53 of of IN 28553 35 54 expansion expansion NN 28553 35 55 engines engine NNS 28553 35 56 -- -- : 28553 35 57 Compound Compound NNP 28553 35 58 locomotives locomotive NNS 28553 35 59 -- -- : 28553 35 60 Reversing reverse VBG 28553 35 61 gears--"Linking gears--"linking NN 28553 35 62 - - HYPH 28553 35 63 up"--Piston up"--piston NN 28553 35 64 - - HYPH 28553 35 65 valves valve NNS 28553 35 66 -- -- : 28553 35 67 Speed speed NN 28553 35 68 governors governor NNS 28553 35 69 -- -- : 28553 35 70 Marine marine JJ 28553 35 71 - - HYPH 28553 35 72 speed speed NN 28553 35 73 governors governor NNS 28553 35 74 -- -- : 28553 35 75 The the DT 28553 35 76 condenser condenser NN 28553 35 77 44 44 CD 28553 35 78 Chapter chapter NN 28553 35 79 III.--THE III.--THE NNP 28553 35 80 STEAM STEAM NNP 28553 35 81 TURBINE TURBINE NNP 28553 35 82 . . . 28553 36 1 How how WRB 28553 36 2 a a DT 28553 36 3 turbine turbine NN 28553 36 4 works work VBZ 28553 36 5 -- -- : 28553 36 6 The the DT 28553 36 7 De De NNP 28553 36 8 Laval Laval NNP 28553 36 9 turbine turbine NN 28553 36 10 -- -- : 28553 36 11 The the DT 28553 36 12 Parsons Parsons NNPS 28553 36 13 turbine turbine NN 28553 36 14 -- -- : 28553 36 15 Description description NN 28553 36 16 of of IN 28553 36 17 the the DT 28553 36 18 Parsons Parsons NNPS 28553 36 19 turbine turbine NN 28553 36 20 -- -- : 28553 36 21 The the DT 28553 36 22 expansive expansive JJ 28553 36 23 action action NN 28553 36 24 of of IN 28553 36 25 steam steam NN 28553 36 26 in in IN 28553 36 27 a a DT 28553 36 28 Parsons Parsons NNP 28553 36 29 turbine turbine NN 28553 36 30 -- -- : 28553 36 31 Balancing balance VBG 28553 36 32 the the DT 28553 36 33 thrust thrust NN 28553 36 34 -- -- : 28553 36 35 Advantages Advantages NNPS 28553 36 36 of of IN 28553 36 37 the the DT 28553 36 38 marine marine JJ 28553 36 39 turbine turbine NN 28553 36 40 74 74 CD 28553 36 41 Chapter chapter NN 28553 36 42 IV.--THE IV.--THE NNP 28553 36 43 INTERNAL INTERNAL NNP 28553 36 44 - - HYPH 28553 36 45 COMBUSTION COMBUSTION NNP 28553 36 46 ENGINE ENGINE NNP 28553 36 47 . . . 28553 37 1 The the DT 28553 37 2 meaning meaning NN 28553 37 3 of of IN 28553 37 4 the the DT 28553 37 5 term term NN 28553 37 6 -- -- : 28553 37 7 Action action NN 28553 37 8 of of IN 28553 37 9 the the DT 28553 37 10 internal internal JJ 28553 37 11 - - HYPH 28553 37 12 combustion combustion NN 28553 37 13 engine engine NN 28553 37 14 -- -- : 28553 37 15 The the DT 28553 37 16 motor motor NN 28553 37 17 car car NN 28553 37 18 -- -- : 28553 37 19 The the DT 28553 37 20 starting starting NN 28553 37 21 - - HYPH 28553 37 22 handle handle NN 28553 37 23 -- -- : 28553 37 24 The the DT 28553 37 25 engine engine NN 28553 37 26 -- -- : 28553 37 27 The the DT 28553 37 28 carburetter carburetter NN 28553 37 29 -- -- : 28553 37 30 Ignition ignition NN 28553 37 31 of of IN 28553 37 32 the the DT 28553 37 33 charge charge NN 28553 37 34 -- -- : 28553 37 35 Advancing advance VBG 28553 37 36 the the DT 28553 37 37 spark spark NN 28553 37 38 -- -- : 28553 37 39 Governing govern VBG 28553 37 40 the the DT 28553 37 41 engine engine NN 28553 37 42 -- -- : 28553 37 43 The the DT 28553 37 44 clutch clutch NN 28553 37 45 -- -- : 28553 37 46 The the DT 28553 37 47 gear gear NN 28553 37 48 - - HYPH 28553 37 49 box box NN 28553 37 50 -- -- : 28553 37 51 The the DT 28553 37 52 compensating compensating NN 28553 37 53 gear gear NN 28553 37 54 -- -- : 28553 37 55 The the DT 28553 37 56 silencer silencer NN 28553 37 57 -- -- : 28553 37 58 The the DT 28553 37 59 brakes brake NNS 28553 37 60 -- -- : 28553 37 61 Speed speed NN 28553 37 62 of of IN 28553 37 63 cars car NNS 28553 37 64 87 87 CD 28553 37 65 Chapter chapter NN 28553 37 66 V.--ELECTRICAL v.--electrical ADD 28553 37 67 APPARATUS APPARATUS NNP 28553 37 68 . . . 28553 38 1 What what WP 28553 38 2 is be VBZ 28553 38 3 electricity?--Forms electricity?--form NNS 28553 38 4 of of IN 28553 38 5 electricity electricity NN 28553 38 6 -- -- : 28553 38 7 Magnetism magnetism NN 28553 38 8 -- -- : 28553 38 9 The the DT 28553 38 10 permanent permanent JJ 28553 38 11 magnet magnet NN 28553 38 12 -- -- : 28553 38 13 Lines line NNS 28553 38 14 of of IN 28553 38 15 force force NN 28553 38 16 -- -- : 28553 38 17 Electro Electro NNP 28553 38 18 - - HYPH 28553 38 19 magnets magnet NNS 28553 38 20 -- -- : 28553 38 21 The the DT 28553 38 22 electric electric JJ 28553 38 23 bell bell NN 28553 38 24 -- -- : 28553 38 25 The the DT 28553 38 26 induction induction NN 28553 38 27 coil coil NN 28553 38 28 -- -- : 28553 38 29 The the DT 28553 38 30 condenser condenser NN 28553 38 31 -- -- : 28553 38 32 Transformation transformation NN 28553 38 33 of of IN 28553 38 34 current current NN 28553 38 35 -- -- : 28553 38 36 Uses use NNS 28553 38 37 of of IN 28553 38 38 the the DT 28553 38 39 induction induction NN 28553 38 40 coil coil NN 28553 38 41 112 112 CD 28553 38 42 Chapter Chapter NNP 28553 38 43 VI.--THE vi.--the JJ 28553 38 44 ELECTRIC electric NN 28553 38 45 TELEGRAPH telegraph NN 28553 38 46 . . . 28553 39 1 Needle needle NN 28553 39 2 instruments instrument NNS 28553 39 3 -- -- : 28553 39 4 Influence influence NN 28553 39 5 of of IN 28553 39 6 current current NN 28553 39 7 on on IN 28553 39 8 the the DT 28553 39 9 magnetic magnetic JJ 28553 39 10 needle needle NN 28553 39 11 -- -- : 28553 39 12 Method method NN 28553 39 13 of of IN 28553 39 14 reversing reverse VBG 28553 39 15 the the DT 28553 39 16 current current NN 28553 39 17 -- -- : 28553 39 18 Sounding sound VBG 28553 39 19 instruments instrument NNS 28553 39 20 -- -- : 28553 39 21 Telegraphic telegraphic JJ 28553 39 22 relays relay NNS 28553 39 23 -- -- : 28553 39 24 Recording record VBG 28553 39 25 telegraphs telegraph NNS 28553 39 26 -- -- : 28553 39 27 High high JJ 28553 39 28 - - HYPH 28553 39 29 speed speed NN 28553 39 30 telegraphy telegraphy NN 28553 39 31 127 127 CD 28553 39 32 Chapter chapter NN 28553 39 33 VII.--WIRELESS VII.--WIRELESS NNP 28553 39 34 TELEGRAPHY TELEGRAPHY NNP 28553 39 35 . . . 28553 40 1 The the DT 28553 40 2 transmitting transmitting NN 28553 40 3 apparatus apparatus NN 28553 40 4 -- -- : 28553 40 5 The the DT 28553 40 6 receiving receive VBG 28553 40 7 apparatus apparatus NN 28553 40 8 -- -- : 28553 40 9 Syntonic syntonic JJ 28553 40 10 transmission transmission NN 28553 40 11 -- -- : 28553 40 12 The the DT 28553 40 13 advance advance NN 28553 40 14 of of IN 28553 40 15 wireless wireless JJ 28553 40 16 telegraphy telegraphy NN 28553 40 17 137 137 CD 28553 40 18 Chapter chapter NN 28553 40 19 VIII.--THE viii.--the NN 28553 40 20 TELEPHONE TELEPHONE NNP 28553 40 21 . . . 28553 41 1 The the DT 28553 41 2 Bell Bell NNP 28553 41 3 telephone telephone NN 28553 41 4 -- -- : 28553 41 5 The the DT 28553 41 6 Edison Edison NNP 28553 41 7 transmitter transmitter NN 28553 41 8 -- -- : 28553 41 9 The the DT 28553 41 10 granular granular JJ 28553 41 11 carbon carbon NN 28553 41 12 transmitter transmitter NN 28553 41 13 -- -- : 28553 41 14 General general JJ 28553 41 15 arrangement arrangement NN 28553 41 16 of of IN 28553 41 17 a a DT 28553 41 18 telephone telephone NN 28553 41 19 circuit circuit NN 28553 41 20 -- -- : 28553 41 21 Double double JJ 28553 41 22 - - HYPH 28553 41 23 line line NN 28553 41 24 circuits circuit NNS 28553 41 25 -- -- : 28553 41 26 Telephone telephone NN 28553 41 27 exchanges exchange NNS 28553 41 28 -- -- : 28553 41 29 Submarine submarine NN 28553 41 30 telephony telephony NN 28553 41 31 147 147 CD 28553 41 32 Chapter chapter NN 28553 41 33 IX.--DYNAMOS ix.--dynamo NNS 28553 41 34 AND and CC 28553 41 35 ELECTRIC ELECTRIC NNP 28553 41 36 MOTORS MOTORS NNP 28553 41 37 . . . 28553 42 1 A a DT 28553 42 2 simple simple JJ 28553 42 3 dynamo dynamo NN 28553 42 4 -- -- : 28553 42 5 Continuous continuous JJ 28553 42 6 - - HYPH 28553 42 7 current current JJ 28553 42 8 dynamos dynamo NNS 28553 42 9 -- -- : 28553 42 10 Multipolar multipolar JJ 28553 42 11 dynamos dynamo NNS 28553 42 12 -- -- : 28553 42 13 Exciting excite VBG 28553 42 14 the the DT 28553 42 15 field field NN 28553 42 16 magnets magnet NNS 28553 42 17 -- -- : 28553 42 18 Alternating alternate VBG 28553 42 19 current current JJ 28553 42 20 dynamos dynamo NNS 28553 42 21 -- -- : 28553 42 22 The the DT 28553 42 23 transmission transmission NN 28553 42 24 of of IN 28553 42 25 power power NN 28553 42 26 -- -- : 28553 42 27 The the DT 28553 42 28 electric electric JJ 28553 42 29 motor motor NN 28553 42 30 -- -- : 28553 42 31 Electric electric JJ 28553 42 32 lighting lighting NN 28553 42 33 -- -- : 28553 42 34 The the DT 28553 42 35 incandescent incandescent NN 28553 42 36 lamp lamp NN 28553 42 37 -- -- : 28553 42 38 Arc Arc NNP 28553 42 39 lamps--"Series lamps--"serie NNS 28553 42 40 " " '' 28553 42 41 and and CC 28553 42 42 " " `` 28553 42 43 parallel parallel JJ 28553 42 44 " " '' 28553 42 45 arrangement arrangement NN 28553 42 46 of of IN 28553 42 47 lamps lamp NNS 28553 42 48 -- -- : 28553 42 49 Current current NN 28553 42 50 for for IN 28553 42 51 electric electric JJ 28553 42 52 lamps lamp NNS 28553 42 53 -- -- : 28553 42 54 Electroplating electroplate VBG 28553 42 55 159 159 CD 28553 42 56 Chapter chapter NN 28553 42 57 X.--RAILWAY X.--RAILWAY '' 28553 42 58 BRAKES brake NNS 28553 42 59 . . . 28553 43 1 The the DT 28553 43 2 Vacuum Vacuum NNP 28553 43 3 Automatic automatic JJ 28553 43 4 brake brake NN 28553 43 5 -- -- : 28553 43 6 The the DT 28553 43 7 Westinghouse Westinghouse NNP 28553 43 8 air air NN 28553 43 9 - - HYPH 28553 43 10 brake brake NN 28553 43 11 187 187 CD 28553 43 12 Chapter chapter NN 28553 43 13 XI.--RAILWAY XI.--RAILWAY NNS 28553 43 14 SIGNALLING SIGNALLING NNP 28553 43 15 . . . 28553 44 1 The the DT 28553 44 2 block block NN 28553 44 3 system system NN 28553 44 4 -- -- : 28553 44 5 Position position NN 28553 44 6 of of IN 28553 44 7 signals signal NNS 28553 44 8 -- -- : 28553 44 9 Interlocking interlock VBG 28553 44 10 the the DT 28553 44 11 signals signal NNS 28553 44 12 -- -- : 28553 44 13 Locking lock VBG 28553 44 14 gear gear NN 28553 44 15 -- -- : 28553 44 16 Points point NNS 28553 44 17 -- -- : 28553 44 18 Points point NNS 28553 44 19 and and CC 28553 44 20 signals signal NNS 28553 44 21 in in IN 28553 44 22 combination combination NN 28553 44 23 -- -- : 28553 44 24 Working work VBG 28553 44 25 the the DT 28553 44 26 block block NN 28553 44 27 system system NN 28553 44 28 -- -- : 28553 44 29 Series Series NNP 28553 44 30 of of IN 28553 44 31 signalling signal VBG 28553 44 32 operations operation NNS 28553 44 33 -- -- : 28553 44 34 Single single JJ 28553 44 35 line line NN 28553 44 36 signals signal NNS 28553 44 37 -- -- : 28553 44 38 The the DT 28553 44 39 train train NN 28553 44 40 staff staff NN 28553 44 41 -- -- : 28553 44 42 Train train NN 28553 44 43 staff staff NN 28553 44 44 and and CC 28553 44 45 ticket ticket NN 28553 44 46 -- -- : 28553 44 47 Electric electric JJ 28553 44 48 train train NN 28553 44 49 staff staff NN 28553 44 50 system system NN 28553 44 51 -- -- : 28553 44 52 Interlocking interlock VBG 28553 44 53 -- -- : 28553 44 54 Signalling signal VBG 28553 44 55 operations operation NNS 28553 44 56 -- -- : 28553 44 57 Power power NN 28553 44 58 signalling signal VBG 28553 44 59 -- -- : 28553 44 60 Pneumatic pneumatic JJ 28553 44 61 signalling signalling NN 28553 44 62 -- -- : 28553 44 63 Automatic automatic JJ 28553 44 64 signalling signal VBG 28553 44 65 200 200 CD 28553 44 66 Chapter Chapter NNP 28553 44 67 XII.--OPTICS XII.--OPTICS NNP 28553 44 68 . . . 28553 45 1 Lenses lense NNS 28553 45 2 -- -- : 28553 45 3 The the DT 28553 45 4 image image NN 28553 45 5 cast cast VBN 28553 45 6 by by IN 28553 45 7 a a DT 28553 45 8 convex convex NNP 28553 45 9 lens lens NN 28553 45 10 -- -- : 28553 45 11 Focus Focus NNP 28553 45 12 -- -- : 28553 45 13 Relative relative JJ 28553 45 14 position position NN 28553 45 15 of of IN 28553 45 16 object object NN 28553 45 17 and and CC 28553 45 18 lens lens NN 28553 45 19 -- -- : 28553 45 20 Correction correction NN 28553 45 21 of of IN 28553 45 22 lenses lense NNS 28553 45 23 for for IN 28553 45 24 colour colour NN 28553 45 25 -- -- : 28553 45 26 Spherical spherical JJ 28553 45 27 aberration aberration NN 28553 45 28 -- -- : 28553 45 29 Distortion distortion NN 28553 45 30 of of IN 28553 45 31 image image NN 28553 45 32 -- -- : 28553 45 33 The the DT 28553 45 34 human human JJ 28553 45 35 eye eye NN 28553 45 36 -- -- : 28553 45 37 The the DT 28553 45 38 use use NN 28553 45 39 of of IN 28553 45 40 spectacles spectacle NNS 28553 45 41 -- -- : 28553 45 42 The the DT 28553 45 43 blind blind JJ 28553 45 44 spot spot NN 28553 45 45 230 230 CD 28553 45 46 Chapter chapter NN 28553 45 47 XIII.--THE XIII.--THE NNP 28553 45 48 MICROSCOPE microscope NN 28553 45 49 , , , 28553 45 50 THE the DT 28553 45 51 TELESCOPE telescope NN 28553 45 52 , , , 28553 45 53 AND and CC 28553 45 54 THE the DT 28553 45 55 MAGIC magic NN 28553 45 56 - - HYPH 28553 45 57 LANTERN LANTERN NNP 28553 45 58 . . . 28553 46 1 The the DT 28553 46 2 simple simple JJ 28553 46 3 microscope microscope NN 28553 46 4 -- -- : 28553 46 5 Use Use NNP 28553 46 6 of of IN 28553 46 7 the the DT 28553 46 8 simple simple JJ 28553 46 9 microscope microscope NN 28553 46 10 in in IN 28553 46 11 the the DT 28553 46 12 telescope telescope NN 28553 46 13 -- -- : 28553 46 14 The the DT 28553 46 15 terrestrial terrestrial JJ 28553 46 16 telescope telescope NN 28553 46 17 -- -- : 28553 46 18 The the DT 28553 46 19 Galilean Galilean NNP 28553 46 20 telescope telescope NN 28553 46 21 -- -- : 28553 46 22 The the DT 28553 46 23 prismatic prismatic JJ 28553 46 24 telescope telescope NN 28553 46 25 -- -- : 28553 46 26 The the DT 28553 46 27 reflecting reflect VBG 28553 46 28 telescope telescope NN 28553 46 29 -- -- : 28553 46 30 The the DT 28553 46 31 parabolic parabolic JJ 28553 46 32 mirror mirror NN 28553 46 33 -- -- : 28553 46 34 The the DT 28553 46 35 compound compound NN 28553 46 36 microscope microscope NN 28553 46 37 -- -- : 28553 46 38 The the DT 28553 46 39 magic magic NN 28553 46 40 - - HYPH 28553 46 41 lantern lantern NN 28553 46 42 -- -- : 28553 46 43 The the DT 28553 46 44 bioscope bioscope NN 28553 46 45 -- -- : 28553 46 46 The the DT 28553 46 47 plane plane NN 28553 46 48 mirror mirror NN 28553 46 49 253 253 CD 28553 46 50 Chapter chapter NN 28553 46 51 XIV.--SOUND XIV.--SOUND NNP 28553 46 52 AND and CC 28553 46 53 MUSICAL MUSICAL NNP 28553 46 54 INSTRUMENTS instrument NNS 28553 46 55 . . . 28553 47 1 Nature nature NN 28553 47 2 of of IN 28553 47 3 sound sound NN 28553 47 4 -- -- : 28553 47 5 The the DT 28553 47 6 ear ear NN 28553 47 7 -- -- : 28553 47 8 Musical musical JJ 28553 47 9 instruments instrument NNS 28553 47 10 -- -- : 28553 47 11 The the DT 28553 47 12 vibration vibration NN 28553 47 13 of of IN 28553 47 14 strings string NNS 28553 47 15 -- -- : 28553 47 16 The the DT 28553 47 17 sounding sound VBG 28553 47 18 - - HYPH 28553 47 19 board board NN 28553 47 20 and and CC 28553 47 21 the the DT 28553 47 22 frame frame NN 28553 47 23 of of IN 28553 47 24 a a DT 28553 47 25 piano piano NN 28553 47 26 -- -- : 28553 47 27 The the DT 28553 47 28 strings string NNS 28553 47 29 -- -- : 28553 47 30 The the DT 28553 47 31 striking striking JJ 28553 47 32 mechanism mechanism NN 28553 47 33 -- -- : 28553 47 34 The the DT 28553 47 35 quality quality NN 28553 47 36 of of IN 28553 47 37 a a DT 28553 47 38 note note NN 28553 47 39 270 270 CD 28553 47 40 Chapter chapter NN 28553 47 41 XV.--WIND XV.--WIND NNS 28553 47 42 INSTRUMENTS instrument NNS 28553 47 43 . . . 28553 48 1 Longitudinal longitudinal JJ 28553 48 2 vibration vibration NN 28553 48 3 -- -- : 28553 48 4 Columns column NNS 28553 48 5 of of IN 28553 48 6 air air NN 28553 48 7 -- -- : 28553 48 8 Resonance resonance NN 28553 48 9 of of IN 28553 48 10 columns column NNS 28553 48 11 of of IN 28553 48 12 air air NN 28553 48 13 -- -- : 28553 48 14 Length length NN 28553 48 15 and and CC 28553 48 16 tone tone NN 28553 48 17 -- -- : 28553 48 18 The the DT 28553 48 19 open open JJ 28553 48 20 pipe pipe NN 28553 48 21 -- -- : 28553 48 22 The the DT 28553 48 23 overtones overtone NNS 28553 48 24 of of IN 28553 48 25 an an DT 28553 48 26 open open JJ 28553 48 27 pipe pipe NN 28553 48 28 -- -- : 28553 48 29 Where where WRB 28553 48 30 overtones overtone NNS 28553 48 31 are be VBP 28553 48 32 used use VBN 28553 48 33 -- -- : 28553 48 34 The the DT 28553 48 35 arrangement arrangement NN 28553 48 36 of of IN 28553 48 37 the the DT 28553 48 38 pipes pipe NNS 28553 48 39 and and CC 28553 48 40 pedals pedal NNS 28553 48 41 -- -- : 28553 48 42 Separate separate JJ 28553 48 43 sound sound NN 28553 48 44 - - HYPH 28553 48 45 boards board NNS 28553 48 46 -- -- : 28553 48 47 Varieties variety NNS 28553 48 48 of of IN 28553 48 49 stops stop NNS 28553 48 50 -- -- : 28553 48 51 Tuning tune VBG 28553 48 52 pipes pipe NNS 28553 48 53 and and CC 28553 48 54 reeds reed NNS 28553 48 55 -- -- : 28553 48 56 The the DT 28553 48 57 bellows bellow NNS 28553 48 58 -- -- : 28553 48 59 Electric electric JJ 28553 48 60 and and CC 28553 48 61 pneumatic pneumatic JJ 28553 48 62 actions action NNS 28553 48 63 -- -- : 28553 48 64 The the DT 28553 48 65 largest large JJS 28553 48 66 organ organ NN 28553 48 67 in in IN 28553 48 68 the the DT 28553 48 69 world world NN 28553 48 70 -- -- : 28553 48 71 Human human NN 28553 48 72 reeds reed VBZ 28553 48 73 287 287 CD 28553 48 74 Chapter chapter NN 28553 48 75 XVI.--TALKING XVI.--TALKING NNP 28553 48 76 - - HYPH 28553 48 77 MACHINES MACHINES NNP 28553 48 78 . . . 28553 49 1 The the DT 28553 49 2 phonograph phonograph NN 28553 49 3 -- -- : 28553 49 4 The the DT 28553 49 5 recorder recorder NN 28553 49 6 -- -- : 28553 49 7 The the DT 28553 49 8 reproducer reproducer NN 28553 49 9 -- -- : 28553 49 10 The the DT 28553 49 11 gramophone gramophone NN 28553 49 12 -- -- : 28553 49 13 The the DT 28553 49 14 making making NN 28553 49 15 of of IN 28553 49 16 records record NNS 28553 49 17 -- -- : 28553 49 18 Cylinder cylinder NN 28553 49 19 records record NNS 28553 49 20 -- -- : 28553 49 21 Gramophone Gramophone NNP 28553 49 22 records record VBZ 28553 49 23 310 310 CD 28553 49 24 Chapter chapter NN 28553 49 25 XVII.--WHY XVII.--WHY NNP 28553 49 26 THE the DT 28553 49 27 WIND wind NN 28553 49 28 BLOWS blows JJ 28553 49 29 . . . 28553 50 1 Why why WRB 28553 50 2 the the DT 28553 50 3 wind wind NN 28553 50 4 blows blow VBZ 28553 50 5 -- -- : 28553 50 6 Land land NN 28553 50 7 and and CC 28553 50 8 sea sea NN 28553 50 9 breezes breeze NNS 28553 50 10 -- -- : 28553 50 11 Light light JJ 28553 50 12 air air NN 28553 50 13 and and CC 28553 50 14 moisture moisture NN 28553 50 15 -- -- : 28553 50 16 The the DT 28553 50 17 barometer barometer NN 28553 50 18 -- -- : 28553 50 19 The the DT 28553 50 20 column column NN 28553 50 21 barometer barometer NN 28553 50 22 -- -- : 28553 50 23 The the DT 28553 50 24 wheel wheel NN 28553 50 25 barometer barometer NN 28553 50 26 -- -- : 28553 50 27 A a DT 28553 50 28 very very RB 28553 50 29 simple simple JJ 28553 50 30 barometer barometer NN 28553 50 31 -- -- : 28553 50 32 The the DT 28553 50 33 aneroid aneroid JJ 28553 50 34 barometer barometer NN 28553 50 35 -- -- : 28553 50 36 Barometers barometer NNS 28553 50 37 and and CC 28553 50 38 weather weather NN 28553 50 39 -- -- : 28553 50 40 The the DT 28553 50 41 diving diving JJ 28553 50 42 - - HYPH 28553 50 43 bell bell NN 28553 50 44 -- -- : 28553 50 45 The the DT 28553 50 46 diving diving NN 28553 50 47 - - HYPH 28553 50 48 dress dress NN 28553 50 49 -- -- : 28553 50 50 Air air NN 28553 50 51 - - HYPH 28553 50 52 pumps pump NNS 28553 50 53 -- -- : 28553 50 54 Pneumatic pneumatic JJ 28553 50 55 tyres tyre NNS 28553 50 56 -- -- : 28553 50 57 The the DT 28553 50 58 air air NN 28553 50 59 - - HYPH 28553 50 60 gun gun NN 28553 50 61 -- -- : 28553 50 62 The the DT 28553 50 63 self self NN 28553 50 64 - - HYPH 28553 50 65 closing close VBG 28553 50 66 door door NN 28553 50 67 - - HYPH 28553 50 68 stop stop NN 28553 50 69 -- -- : 28553 50 70 The the DT 28553 50 71 action action NN 28553 50 72 of of IN 28553 50 73 wind wind NN 28553 50 74 on on IN 28553 50 75 oblique oblique JJ 28553 50 76 surfaces surface NNS 28553 50 77 -- -- : 28553 50 78 The the DT 28553 50 79 balloon balloon NN 28553 50 80 -- -- : 28553 50 81 The the DT 28553 50 82 flying fly VBG 28553 50 83 - - HYPH 28553 50 84 machine machine NN 28553 50 85 322 322 CD 28553 50 86 Chapter Chapter NNP 28553 50 87 XVIII.--HYDRAULIC XVIII.--HYDRAULIC NNP 28553 50 88 MACHINERY MACHINERY NNP 28553 50 89 . . . 28553 51 1 The the DT 28553 51 2 siphon siphon NN 28553 51 3 -- -- : 28553 51 4 The the DT 28553 51 5 bucket bucket NN 28553 51 6 pump pump NN 28553 51 7 -- -- : 28553 51 8 The the DT 28553 51 9 force force NN 28553 51 10 - - HYPH 28553 51 11 pump pump NN 28553 51 12 -- -- : 28553 51 13 The the DT 28553 51 14 most most RBS 28553 51 15 marvellous marvellous JJ 28553 51 16 pump pump NN 28553 51 17 -- -- : 28553 51 18 The the DT 28553 51 19 blood blood NN 28553 51 20 channels channel NNS 28553 51 21 -- -- : 28553 51 22 The the DT 28553 51 23 course course NN 28553 51 24 of of IN 28553 51 25 the the DT 28553 51 26 blood blood NN 28553 51 27 -- -- : 28553 51 28 The the DT 28553 51 29 hydraulic hydraulic JJ 28553 51 30 press press NN 28553 51 31 -- -- : 28553 51 32 Household household NN 28553 51 33 water water NN 28553 51 34 - - HYPH 28553 51 35 supply supply NN 28553 51 36 fittings fitting NNS 28553 51 37 -- -- : 28553 51 38 The the DT 28553 51 39 ball ball NN 28553 51 40 - - HYPH 28553 51 41 cock cock NN 28553 51 42 -- -- : 28553 51 43 The the DT 28553 51 44 water water NN 28553 51 45 - - HYPH 28553 51 46 meter meter NN 28553 51 47 -- -- . 28553 51 48 Water water NN 28553 51 49 - - HYPH 28553 51 50 supply supply NN 28553 51 51 systems system NNS 28553 51 52 -- -- : 28553 51 53 The the DT 28553 51 54 household household NN 28553 51 55 filter filter NN 28553 51 56 -- -- : 28553 51 57 Gas gas NN 28553 51 58 traps trap NNS 28553 51 59 -- -- : 28553 51 60 Water water NN 28553 51 61 engines engine NNS 28553 51 62 -- -- : 28553 51 63 The the DT 28553 51 64 cream cream NN 28553 51 65 separator separator NN 28553 51 66 -- -- . 28553 51 67 The the DT 28553 51 68 " " `` 28553 51 69 hydro hydro NNP 28553 51 70 " " '' 28553 51 71 350 350 CD 28553 51 72 Chapter Chapter NNP 28553 51 73 XIX.--HEATING XIX.--HEATING NNP 28553 51 74 AND and CC 28553 51 75 LIGHTING LIGHTING NNP 28553 51 76 . . . 28553 52 1 The the DT 28553 52 2 hot hot JJ 28553 52 3 - - HYPH 28553 52 4 water water NN 28553 52 5 supply supply NN 28553 52 6 -- -- : 28553 52 7 The the DT 28553 52 8 tank tank NN 28553 52 9 system system NN 28553 52 10 -- -- : 28553 52 11 The the DT 28553 52 12 cylinder cylinder NN 28553 52 13 system system NN 28553 52 14 -- -- : 28553 52 15 How how WRB 28553 52 16 a a DT 28553 52 17 lamp lamp NN 28553 52 18 works work VBZ 28553 52 19 -- -- : 28553 52 20 Gas gas NN 28553 52 21 and and CC 28553 52 22 gasworks gaswork NNS 28553 52 23 -- -- : 28553 52 24 Automatic automatic JJ 28553 52 25 stoking stoking NN 28553 52 26 -- -- : 28553 52 27 A a DT 28553 52 28 gas gas NN 28553 52 29 governor governor NN 28553 52 30 -- -- . 28553 52 31 The the DT 28553 52 32 gas gas NN 28553 52 33 meter meter NN 28553 52 34 -- -- : 28553 52 35 Incandescent incandescent JJ 28553 52 36 gas gas NN 28553 52 37 lighting lighting NN 28553 52 38 386 386 CD 28553 52 39 Chapter Chapter NNP 28553 52 40 XX.--VARIOUS XX.--VARIOUS NNP 28553 52 41 MECHANISMS MECHANISMS NNP 28553 52 42 . . . 28553 53 1 CLOCKS clock NNS 28553 53 2 AND and CC 28553 53 3 WATCHES:--A WATCHES:--A NNP 28553 53 4 short short JJ 28553 53 5 history history NN 28553 53 6 of of IN 28553 53 7 timepieces timepiece NNS 28553 53 8 -- -- : 28553 53 9 The the DT 28553 53 10 construction construction NN 28553 53 11 of of IN 28553 53 12 timepieces timepiece NNS 28553 53 13 -- -- : 28553 53 14 The the DT 28553 53 15 driving drive VBG 28553 53 16 power power NN 28553 53 17 -- -- : 28553 53 18 The the DT 28553 53 19 escapement escapement NN 28553 53 20 -- -- : 28553 53 21 Compensating compensating NN 28553 53 22 pendulums pendulum NNS 28553 53 23 -- -- : 28553 53 24 The the DT 28553 53 25 spring spring NN 28553 53 26 balance balance NN 28553 53 27 -- -- : 28553 53 28 The the DT 28553 53 29 cylinder cylinder NN 28553 53 30 escapement escapement NN 28553 53 31 -- -- : 28553 53 32 The the DT 28553 53 33 lever lever NN 28553 53 34 escapement escapement NN 28553 53 35 -- -- : 28553 53 36 Compensated compensate VBN 28553 53 37 balance balance NN 28553 53 38 - - HYPH 28553 53 39 wheels wheel NNS 28553 53 40 -- -- : 28553 53 41 Keyless Keyless NNP 28553 53 42 winding winding NN 28553 53 43 mechanism mechanism NN 28553 53 44 for for IN 28553 53 45 watches watch NNS 28553 53 46 -- -- : 28553 53 47 The the DT 28553 53 48 hour hour NN 28553 53 49 hand hand NN 28553 53 50 train train NN 28553 53 51 . . . 28553 54 1 LOCKS:--The LOCKS:--The NNP 28553 54 2 Chubb Chubb NNP 28553 54 3 lock lock NN 28553 54 4 -- -- : 28553 54 5 The the DT 28553 54 6 Yale Yale NNP 28553 54 7 lock lock NN 28553 54 8 . . . 28553 55 1 THE the DT 28553 55 2 CYCLE:--The CYCLE:--The NNP 28553 55 3 gearing gearing NN 28553 55 4 of of IN 28553 55 5 a a DT 28553 55 6 cycle cycle NN 28553 55 7 -- -- : 28553 55 8 The the DT 28553 55 9 free free JJ 28553 55 10 wheel wheel NN 28553 55 11 -- -- : 28553 55 12 The the DT 28553 55 13 change change NN 28553 55 14 - - HYPH 28553 55 15 speed speed NN 28553 55 16 gear gear NN 28553 55 17 . . . 28553 56 1 AGRICULTURAL agricultural VBP 28553 56 2 MACHINES:--The machines:--the IN 28553 56 3 threshing threshing JJ 28553 56 4 - - HYPH 28553 56 5 machine machine NN 28553 56 6 -- -- : 28553 56 7 Mowing mowing NN 28553 56 8 - - HYPH 28553 56 9 machines machine NNS 28553 56 10 . . . 28553 57 1 SOME some DT 28553 57 2 NATURAL natural JJ 28553 57 3 PHENOMENA:--Why phenomena:--why FW 28553 57 4 sun sun NN 28553 57 5 - - HYPH 28553 57 6 heat heat NN 28553 57 7 varies varie NNS 28553 57 8 in in IN 28553 57 9 intensity intensity NN 28553 57 10 -- -- : 28553 57 11 The the DT 28553 57 12 tides tide NNS 28553 57 13 -- -- : 28553 57 14 Why why WRB 28553 57 15 high high JJ 28553 57 16 tide tide NN 28553 57 17 varies vary VBZ 28553 57 18 daily daily JJ 28553 57 19 410 410 CD 28553 57 20 HOW how WRB 28553 57 21 IT it PRP 28553 57 22 WORKS works NN 28553 57 23 . . . 28553 58 1 Chapter chapter NN 28553 58 2 I. i. NN 28553 59 1 THE the DT 28553 59 2 STEAM STEAM NNP 28553 59 3 - - HYPH 28553 59 4 ENGINE engine NN 28553 59 5 . . . 28553 60 1 What what WP 28553 60 2 is be VBZ 28553 60 3 steam?--The steam?--The NNP 28553 60 4 mechanical mechanical JJ 28553 60 5 energy energy NN 28553 60 6 of of IN 28553 60 7 steam steam NN 28553 60 8 -- -- : 28553 60 9 The the DT 28553 60 10 boiler boiler NN 28553 60 11 -- -- : 28553 60 12 The the DT 28553 60 13 circulation circulation NN 28553 60 14 of of IN 28553 60 15 water water NN 28553 60 16 in in IN 28553 60 17 a a DT 28553 60 18 boiler boiler NN 28553 60 19 -- -- : 28553 60 20 The the DT 28553 60 21 enclosed enclose VBN 28553 60 22 furnace furnace NN 28553 60 23 -- -- : 28553 60 24 The the DT 28553 60 25 multitubular multitubular JJ 28553 60 26 boiler boiler NN 28553 60 27 -- -- : 28553 60 28 Fire fire NN 28553 60 29 - - HYPH 28553 60 30 tube tube NN 28553 60 31 boilers boiler NNS 28553 60 32 -- -- : 28553 60 33 Other other JJ 28553 60 34 types type NNS 28553 60 35 of of IN 28553 60 36 boilers boiler NNS 28553 60 37 -- -- : 28553 60 38 Aids Aids NNP 28553 60 39 to to TO 28553 60 40 combustion combustion NN 28553 60 41 -- -- : 28553 60 42 Boiler boiler NN 28553 60 43 fittings fitting NNS 28553 60 44 -- -- : 28553 60 45 The the DT 28553 60 46 safety safety NN 28553 60 47 - - HYPH 28553 60 48 valve valve NN 28553 60 49 -- -- : 28553 60 50 The the DT 28553 60 51 water water NN 28553 60 52 - - HYPH 28553 60 53 gauge gauge NN 28553 60 54 -- -- : 28553 60 55 The the DT 28553 60 56 steam steam NN 28553 60 57 - - HYPH 28553 60 58 gauge gauge NN 28553 60 59 -- -- : 28553 60 60 The the DT 28553 60 61 water water NN 28553 60 62 supply supply NN 28553 60 63 to to IN 28553 60 64 a a DT 28553 60 65 boiler boiler NN 28553 60 66 . . . 28553 61 1 WHAT what WP 28553 61 2 IS be VBZ 28553 61 3 STEAM STEAM NNP 28553 61 4 ? ? . 28553 62 1 If if IN 28553 62 2 ice ice NN 28553 62 3 be be VB 28553 62 4 heated heat VBN 28553 62 5 above above IN 28553 62 6 32 32 CD 28553 62 7 ° ° NNS 28553 62 8 Fahrenheit Fahrenheit NNP 28553 62 9 , , , 28553 62 10 its -PRON- PRP$ 28553 62 11 molecules molecule NNS 28553 62 12 lose lose VBP 28553 62 13 their -PRON- PRP$ 28553 62 14 cohesion cohesion NN 28553 62 15 , , , 28553 62 16 and and CC 28553 62 17 move move VB 28553 62 18 freely freely RB 28553 62 19 round round VBP 28553 62 20 one one CD 28553 62 21 another another DT 28553 62 22 -- -- : 28553 62 23 the the DT 28553 62 24 ice ice NN 28553 62 25 is be VBZ 28553 62 26 turned turn VBN 28553 62 27 into into IN 28553 62 28 water water NN 28553 62 29 . . . 28553 63 1 Heat heat NN 28553 63 2 water water NN 28553 63 3 above above IN 28553 63 4 212 212 CD 28553 63 5 ° ° NNS 28553 63 6 Fahrenheit Fahrenheit NNP 28553 63 7 , , , 28553 63 8 and and CC 28553 63 9 the the DT 28553 63 10 molecules molecule NNS 28553 63 11 exhibit exhibit VBP 28553 63 12 a a DT 28553 63 13 violent violent JJ 28553 63 14 mutual mutual JJ 28553 63 15 repulsion repulsion NN 28553 63 16 , , , 28553 63 17 and and CC 28553 63 18 , , , 28553 63 19 like like IN 28553 63 20 dormant dormant JJ 28553 63 21 bees bee NNS 28553 63 22 revived revive VBN 28553 63 23 by by IN 28553 63 24 spring spring NN 28553 63 25 sunshine sunshine NNP 28553 63 26 , , , 28553 63 27 separate separate JJ 28553 63 28 and and CC 28553 63 29 dart dart NN 28553 63 30 to to IN 28553 63 31 and and CC 28553 63 32 fro fro NNP 28553 63 33 . . . 28553 64 1 If if IN 28553 64 2 confined confine VBN 28553 64 3 in in IN 28553 64 4 an an DT 28553 64 5 air air NN 28553 64 6 - - HYPH 28553 64 7 tight tight JJ 28553 64 8 vessel vessel NN 28553 64 9 , , , 28553 64 10 the the DT 28553 64 11 molecules molecule NNS 28553 64 12 have have VBP 28553 64 13 their -PRON- PRP$ 28553 64 14 flights flight NNS 28553 64 15 curtailed curtail VBN 28553 64 16 , , , 28553 64 17 and and CC 28553 64 18 beat beat VBD 28553 64 19 more more JJR 28553 64 20 and and CC 28553 64 21 more more RBR 28553 64 22 violently violently RB 28553 64 23 against against IN 28553 64 24 their -PRON- PRP$ 28553 64 25 prison prison NN 28553 64 26 walls wall NNS 28553 64 27 , , , 28553 64 28 so so IN 28553 64 29 that that IN 28553 64 30 every every DT 28553 64 31 square square JJ 28553 64 32 inch inch NN 28553 64 33 of of IN 28553 64 34 the the DT 28553 64 35 vessel vessel NN 28553 64 36 is be VBZ 28553 64 37 subjected subject VBN 28553 64 38 to to IN 28553 64 39 a a DT 28553 64 40 rising rise VBG 28553 64 41 pressure pressure NN 28553 64 42 . . . 28553 65 1 We -PRON- PRP 28553 65 2 may may MD 28553 65 3 compare compare VB 28553 65 4 the the DT 28553 65 5 action action NN 28553 65 6 of of IN 28553 65 7 the the DT 28553 65 8 steam steam NN 28553 65 9 molecules molecule NNS 28553 65 10 to to IN 28553 65 11 that that DT 28553 65 12 of of IN 28553 65 13 bullets bullet NNS 28553 65 14 fired fire VBD 28553 65 15 from from IN 28553 65 16 a a DT 28553 65 17 machine machine NN 28553 65 18 - - HYPH 28553 65 19 gun gun NN 28553 65 20 at at IN 28553 65 21 a a DT 28553 65 22 plate plate NN 28553 65 23 mounted mount VBN 28553 65 24 on on IN 28553 65 25 a a DT 28553 65 26 spring spring NN 28553 65 27 . . . 28553 66 1 The the DT 28553 66 2 faster fast RBR 28553 66 3 the the DT 28553 66 4 bullets bullet NNS 28553 66 5 came come VBD 28553 66 6 , , , 28553 66 7 the the DT 28553 66 8 greater great JJR 28553 66 9 would would MD 28553 66 10 be be VB 28553 66 11 the the DT 28553 66 12 continuous continuous JJ 28553 66 13 compression compression NN 28553 66 14 of of IN 28553 66 15 the the DT 28553 66 16 spring spring NN 28553 66 17 . . . 28553 67 1 THE the DT 28553 67 2 MECHANICAL MECHANICAL NNP 28553 67 3 ENERGY ENERGY NNP 28553 67 4 OF of IN 28553 67 5 STEAM STEAM NNP 28553 67 6 . . . 28553 68 1 If if IN 28553 68 2 steam steam NN 28553 68 3 is be VBZ 28553 68 4 let let VBN 28553 68 5 into into IN 28553 68 6 one one CD 28553 68 7 end end NN 28553 68 8 of of IN 28553 68 9 a a DT 28553 68 10 cylinder cylinder NN 28553 68 11 behind behind IN 28553 68 12 an an DT 28553 68 13 air air NN 28553 68 14 - - HYPH 28553 68 15 tight tight JJ 28553 68 16 but but CC 28553 68 17 freely freely RB 28553 68 18 - - HYPH 28553 68 19 moving move VBG 28553 68 20 piston piston NN 28553 68 21 , , , 28553 68 22 it -PRON- PRP 28553 68 23 will will MD 28553 68 24 bombard bombard VB 28553 68 25 the the DT 28553 68 26 walls wall NNS 28553 68 27 of of IN 28553 68 28 the the DT 28553 68 29 cylinder cylinder NN 28553 68 30 and and CC 28553 68 31 the the DT 28553 68 32 piston piston NN 28553 68 33 ; ; : 28553 68 34 and and CC 28553 68 35 if if IN 28553 68 36 the the DT 28553 68 37 united united NNP 28553 68 38 push push NN 28553 68 39 of of IN 28553 68 40 the the DT 28553 68 41 molecules molecule NNS 28553 68 42 on on IN 28553 68 43 the the DT 28553 68 44 one one CD 28553 68 45 side side NN 28553 68 46 of of IN 28553 68 47 the the DT 28553 68 48 latter latter NN 28553 68 49 is be VBZ 28553 68 50 greater great JJR 28553 68 51 than than IN 28553 68 52 the the DT 28553 68 53 resistance resistance NN 28553 68 54 on on IN 28553 68 55 the the DT 28553 68 56 other other JJ 28553 68 57 side side NN 28553 68 58 opposing oppose VBG 28553 68 59 its -PRON- PRP$ 28553 68 60 motion motion NN 28553 68 61 , , , 28553 68 62 the the DT 28553 68 63 piston piston NN 28553 68 64 must must MD 28553 68 65 move move VB 28553 68 66 . . . 28553 69 1 Having have VBG 28553 69 2 thus thus RB 28553 69 3 partly partly RB 28553 69 4 got get VBN 28553 69 5 their -PRON- PRP$ 28553 69 6 liberty liberty NN 28553 69 7 , , , 28553 69 8 the the DT 28553 69 9 molecules molecule NNS 28553 69 10 become become VBP 28553 69 11 less less RBR 28553 69 12 active active JJ 28553 69 13 , , , 28553 69 14 and and CC 28553 69 15 do do VBP 28553 69 16 not not RB 28553 69 17 rush rush VB 28553 69 18 about about IN 28553 69 19 so so RB 28553 69 20 vigorously vigorously RB 28553 69 21 . . . 28553 70 1 The the DT 28553 70 2 pressure pressure NN 28553 70 3 on on IN 28553 70 4 the the DT 28553 70 5 piston piston NN 28553 70 6 decreases decrease VBZ 28553 70 7 as as IN 28553 70 8 it -PRON- PRP 28553 70 9 moves move VBZ 28553 70 10 . . . 28553 71 1 But but CC 28553 71 2 if if IN 28553 71 3 the the DT 28553 71 4 piston piston NN 28553 71 5 were be VBD 28553 71 6 driven drive VBN 28553 71 7 back back RB 28553 71 8 to to IN 28553 71 9 its -PRON- PRP$ 28553 71 10 original original JJ 28553 71 11 position position NN 28553 71 12 against against IN 28553 71 13 the the DT 28553 71 14 force force NN 28553 71 15 of of IN 28553 71 16 the the DT 28553 71 17 steam steam NN 28553 71 18 , , , 28553 71 19 the the DT 28553 71 20 molecular molecular JJ 28553 71 21 activity activity NN 28553 71 22 -- -- : 28553 71 23 that that RB 28553 71 24 is is RB 28553 71 25 , , , 28553 71 26 pressure pressure NN 28553 71 27 -- -- : 28553 71 28 would would MD 28553 71 29 be be VB 28553 71 30 restored restore VBN 28553 71 31 . . . 28553 72 1 We -PRON- PRP 28553 72 2 are be VBP 28553 72 3 here here RB 28553 72 4 assuming assume VBG 28553 72 5 that that IN 28553 72 6 no no DT 28553 72 7 heat heat NN 28553 72 8 has have VBZ 28553 72 9 passed pass VBN 28553 72 10 through through IN 28553 72 11 the the DT 28553 72 12 cylinder cylinder NN 28553 72 13 or or CC 28553 72 14 piston piston NN 28553 72 15 and and CC 28553 72 16 been be VBN 28553 72 17 radiated radiate VBN 28553 72 18 into into IN 28553 72 19 the the DT 28553 72 20 air air NN 28553 72 21 ; ; : 28553 72 22 for for IN 28553 72 23 any any DT 28553 72 24 loss loss NN 28553 72 25 of of IN 28553 72 26 heat heat NN 28553 72 27 means mean VBZ 28553 72 28 loss loss NN 28553 72 29 of of IN 28553 72 30 energy energy NN 28553 72 31 , , , 28553 72 32 since since IN 28553 72 33 heat heat NN 28553 72 34 _ _ NNP 28553 72 35 is be VBZ 28553 72 36 _ _ NNP 28553 72 37 energy energy NN 28553 72 38 . . . 28553 73 1 THE the DT 28553 73 2 BOILER BOILER NNS 28553 73 3 . . . 28553 74 1 The the DT 28553 74 2 combustion combustion NN 28553 74 3 of of IN 28553 74 4 fuel fuel NN 28553 74 5 in in IN 28553 74 6 a a DT 28553 74 7 furnace furnace NN 28553 74 8 causes cause VBZ 28553 74 9 the the DT 28553 74 10 walls wall NNS 28553 74 11 of of IN 28553 74 12 the the DT 28553 74 13 furnace furnace NN 28553 74 14 to to TO 28553 74 15 become become VB 28553 74 16 _ _ NNP 28553 74 17 hot hot JJ 28553 74 18 _ _ NNP 28553 74 19 , , , 28553 74 20 which which WDT 28553 74 21 means mean VBZ 28553 74 22 that that IN 28553 74 23 the the DT 28553 74 24 molecules molecule NNS 28553 74 25 of of IN 28553 74 26 the the DT 28553 74 27 substance substance NN 28553 74 28 forming form VBG 28553 74 29 the the DT 28553 74 30 walls wall NNS 28553 74 31 are be VBP 28553 74 32 thrown throw VBN 28553 74 33 into into IN 28553 74 34 violent violent JJ 28553 74 35 agitation agitation NN 28553 74 36 . . . 28553 75 1 If if IN 28553 75 2 the the DT 28553 75 3 walls wall NNS 28553 75 4 are be VBP 28553 75 5 what what WP 28553 75 6 are be VBP 28553 75 7 called call VBN 28553 75 8 " " `` 28553 75 9 good good JJ 28553 75 10 conductors conductor NNS 28553 75 11 " " '' 28553 75 12 of of IN 28553 75 13 heat heat NN 28553 75 14 , , , 28553 75 15 they -PRON- PRP 28553 75 16 will will MD 28553 75 17 transmit transmit VB 28553 75 18 the the DT 28553 75 19 agitation agitation NN 28553 75 20 through through IN 28553 75 21 them -PRON- PRP 28553 75 22 to to IN 28553 75 23 any any DT 28553 75 24 surrounding surround VBG 28553 75 25 substance substance NN 28553 75 26 . . . 28553 76 1 In in IN 28553 76 2 the the DT 28553 76 3 case case NN 28553 76 4 of of IN 28553 76 5 the the DT 28553 76 6 ordinary ordinary JJ 28553 76 7 house house NN 28553 76 8 stove stove NN 28553 76 9 this this DT 28553 76 10 is be VBZ 28553 76 11 the the DT 28553 76 12 air air NN 28553 76 13 , , , 28553 76 14 which which WDT 28553 76 15 itself -PRON- PRP 28553 76 16 is be VBZ 28553 76 17 agitated agitate VBN 28553 76 18 , , , 28553 76 19 or or CC 28553 76 20 grows grow VBZ 28553 76 21 warm warm JJ 28553 76 22 . . . 28553 77 1 A a DT 28553 77 2 steam steam NN 28553 77 3 - - HYPH 28553 77 4 boiler boiler NN 28553 77 5 has have VBZ 28553 77 6 the the DT 28553 77 7 furnace furnace JJ 28553 77 8 walls wall NNS 28553 77 9 surrounded surround VBN 28553 77 10 by by IN 28553 77 11 water water NN 28553 77 12 , , , 28553 77 13 and and CC 28553 77 14 its -PRON- PRP$ 28553 77 15 function function NN 28553 77 16 is be VBZ 28553 77 17 to to TO 28553 77 18 transmit transmit VB 28553 77 19 molecular molecular JJ 28553 77 20 movement movement NN 28553 77 21 ( ( -LRB- 28553 77 22 heat heat NN 28553 77 23 , , , 28553 77 24 or or CC 28553 77 25 energy energy NN 28553 77 26 ) ) -RRB- 28553 77 27 through through IN 28553 77 28 the the DT 28553 77 29 furnace furnace NN 28553 77 30 plates plate NNS 28553 77 31 to to IN 28553 77 32 the the DT 28553 77 33 water water NN 28553 77 34 until until IN 28553 77 35 the the DT 28553 77 36 point point NN 28553 77 37 is be VBZ 28553 77 38 reached reach VBN 28553 77 39 when when WRB 28553 77 40 steam steam NN 28553 77 41 generates generate NNS 28553 77 42 . . . 28553 78 1 At at IN 28553 78 2 atmospheric atmospheric JJ 28553 78 3 pressure pressure NN 28553 78 4 -- -- : 28553 78 5 that that RB 28553 78 6 is is RB 28553 78 7 , , , 28553 78 8 if if IN 28553 78 9 not not RB 28553 78 10 confined confine VBN 28553 78 11 in in IN 28553 78 12 any any DT 28553 78 13 way way NN 28553 78 14 -- -- : 28553 78 15 steam steam NN 28553 78 16 would would MD 28553 78 17 fill fill VB 28553 78 18 1,610 1,610 CD 28553 78 19 times time NNS 28553 78 20 the the DT 28553 78 21 space space NN 28553 78 22 which which WDT 28553 78 23 its -PRON- PRP$ 28553 78 24 molecules molecule NNS 28553 78 25 occupied occupy VBN 28553 78 26 in in IN 28553 78 27 their -PRON- PRP$ 28553 78 28 watery watery JJ 28553 78 29 formation formation NN 28553 78 30 . . . 28553 79 1 If if IN 28553 79 2 we -PRON- PRP 28553 79 3 seal seal VBP 28553 79 4 up up RP 28553 79 5 the the DT 28553 79 6 boiler boiler NN 28553 79 7 so so IN 28553 79 8 that that IN 28553 79 9 no no DT 28553 79 10 escape escape NN 28553 79 11 is be VBZ 28553 79 12 possible possible JJ 28553 79 13 for for IN 28553 79 14 the the DT 28553 79 15 steam steam NN 28553 79 16 molecules molecule NNS 28553 79 17 , , , 28553 79 18 their -PRON- PRP$ 28553 79 19 motion motion NN 28553 79 20 becomes become VBZ 28553 79 21 more more JJR 28553 79 22 and and CC 28553 79 23 more more RBR 28553 79 24 rapid rapid JJ 28553 79 25 , , , 28553 79 26 and and CC 28553 79 27 _ _ NNP 28553 79 28 pressure pressure NN 28553 79 29 _ _ NNP 28553 79 30 is be VBZ 28553 79 31 developed develop VBN 28553 79 32 by by IN 28553 79 33 their -PRON- PRP$ 28553 79 34 beating beating NN 28553 79 35 on on IN 28553 79 36 the the DT 28553 79 37 walls wall NNS 28553 79 38 of of IN 28553 79 39 the the DT 28553 79 40 boiler boiler NN 28553 79 41 . . . 28553 80 1 There there EX 28553 80 2 is be VBZ 28553 80 3 theoretically theoretically RB 28553 80 4 no no DT 28553 80 5 limit limit NN 28553 80 6 to to TO 28553 80 7 which which WDT 28553 80 8 the the DT 28553 80 9 pressure pressure NN 28553 80 10 may may MD 28553 80 11 be be VB 28553 80 12 raised raise VBN 28553 80 13 , , , 28553 80 14 provided provide VBN 28553 80 15 that that IN 28553 80 16 sufficient sufficient JJ 28553 80 17 fuel fuel NN 28553 80 18 - - HYPH 28553 80 19 combustion combustion NN 28553 80 20 energy energy NN 28553 80 21 is be VBZ 28553 80 22 transmitted transmit VBN 28553 80 23 to to IN 28553 80 24 the the DT 28553 80 25 vaporizing vaporize VBG 28553 80 26 water water NN 28553 80 27 . . . 28553 81 1 To to TO 28553 81 2 raise raise VB 28553 81 3 steam steam NN 28553 81 4 in in IN 28553 81 5 large large JJ 28553 81 6 quantities quantity NNS 28553 81 7 we -PRON- PRP 28553 81 8 must must MD 28553 81 9 employ employ VB 28553 81 10 a a DT 28553 81 11 fuel fuel NN 28553 81 12 which which WDT 28553 81 13 develops develop VBZ 28553 81 14 great great JJ 28553 81 15 heat heat NN 28553 81 16 in in IN 28553 81 17 proportion proportion NN 28553 81 18 to to IN 28553 81 19 its -PRON- PRP$ 28553 81 20 weight weight NN 28553 81 21 , , , 28553 81 22 is be VBZ 28553 81 23 readily readily RB 28553 81 24 procured procure VBN 28553 81 25 , , , 28553 81 26 and and CC 28553 81 27 cheap cheap JJ 28553 81 28 . . . 28553 82 1 Coal coal NN 28553 82 2 fulfils fulfil VBZ 28553 82 3 all all PDT 28553 82 4 these these DT 28553 82 5 conditions condition NNS 28553 82 6 . . . 28553 83 1 Of of IN 28553 83 2 the the DT 28553 83 3 800 800 CD 28553 83 4 million million CD 28553 83 5 tons ton NNS 28553 83 6 mined mine VBN 28553 83 7 annually annually RB 28553 83 8 throughout throughout IN 28553 83 9 the the DT 28553 83 10 world world NN 28553 83 11 , , , 28553 83 12 400 400 CD 28553 83 13 million million CD 28553 83 14 tons ton NNS 28553 83 15 are be VBP 28553 83 16 burnt burn VBN 28553 83 17 in in IN 28553 83 18 the the DT 28553 83 19 furnaces furnace NNS 28553 83 20 of of IN 28553 83 21 steam steam NN 28553 83 22 - - HYPH 28553 83 23 boilers boiler NNS 28553 83 24 . . . 28553 84 1 A a DT 28553 84 2 good good JJ 28553 84 3 boiler boiler NN 28553 84 4 must must MD 28553 84 5 be--(1 be--(1 VB 28553 84 6 ) ) -RRB- 28553 84 7 Strong strong JJ 28553 84 8 enough enough RB 28553 84 9 to to TO 28553 84 10 withstand withstand VB 28553 84 11 much much RB 28553 84 12 higher high JJR 28553 84 13 pressures pressure NNS 28553 84 14 than than IN 28553 84 15 that that DT 28553 84 16 at at IN 28553 84 17 which which WDT 28553 84 18 it -PRON- PRP 28553 84 19 is be VBZ 28553 84 20 worked work VBN 28553 84 21 ; ; : 28553 84 22 ( ( -LRB- 28553 84 23 2 2 LS 28553 84 24 ) ) -RRB- 28553 84 25 so so RB 28553 84 26 designed design VBN 28553 84 27 as as IN 28553 84 28 to to TO 28553 84 29 burn burn VB 28553 84 30 its -PRON- PRP$ 28553 84 31 fuel fuel NN 28553 84 32 to to IN 28553 84 33 the the DT 28553 84 34 greatest great JJS 28553 84 35 advantage advantage NN 28553 84 36 . . . 28553 85 1 Even even RB 28553 85 2 in in IN 28553 85 3 the the DT 28553 85 4 best well RBS 28553 85 5 - - HYPH 28553 85 6 designed design VBN 28553 85 7 boilers boiler NNS 28553 85 8 a a DT 28553 85 9 large large JJ 28553 85 10 part part NN 28553 85 11 of of IN 28553 85 12 the the DT 28553 85 13 combustion combustion NN 28553 85 14 heat heat NN 28553 85 15 passes pass VBZ 28553 85 16 through through IN 28553 85 17 the the DT 28553 85 18 chimney chimney NN 28553 85 19 , , , 28553 85 20 while while IN 28553 85 21 a a DT 28553 85 22 further further JJ 28553 85 23 proportion proportion NN 28553 85 24 is be VBZ 28553 85 25 radiated radiate VBN 28553 85 26 from from IN 28553 85 27 the the DT 28553 85 28 boiler boiler NN 28553 85 29 . . . 28553 86 1 Professor Professor NNP 28553 86 2 John John NNP 28553 86 3 Perry[1 Perry[1 NNP 28553 86 4 ] ] -RRB- 28553 86 5 considers consider VBZ 28553 86 6 that that IN 28553 86 7 this this DT 28553 86 8 waste waste NN 28553 86 9 amounts amount VBZ 28553 86 10 , , , 28553 86 11 under under IN 28553 86 12 the the DT 28553 86 13 best good JJS 28553 86 14 conditions condition NNS 28553 86 15 at at IN 28553 86 16 present present JJ 28553 86 17 obtainable obtainable JJ 28553 86 18 , , , 28553 86 19 to to IN 28553 86 20 eleven eleven CD 28553 86 21 - - HYPH 28553 86 22 twelfths twelfth NNS 28553 86 23 of of IN 28553 86 24 the the DT 28553 86 25 whole whole NN 28553 86 26 . . . 28553 87 1 We -PRON- PRP 28553 87 2 have have VBP 28553 87 3 to to TO 28553 87 4 burn burn VB 28553 87 5 a a DT 28553 87 6 shillingsworth shillingsworth NN 28553 87 7 of of IN 28553 87 8 coal coal NN 28553 87 9 to to TO 28553 87 10 capture capture VB 28553 87 11 the the DT 28553 87 12 energy energy NN 28553 87 13 stored store VBN 28553 87 14 in in IN 28553 87 15 a a DT 28553 87 16 pennyworth pennyworth NN 28553 87 17 . . . 28553 88 1 Yet yet CC 28553 88 2 the the DT 28553 88 3 steam steam NN 28553 88 4 - - HYPH 28553 88 5 engine engine NN 28553 88 6 of of IN 28553 88 7 to to IN 28553 88 8 - - HYPH 28553 88 9 day day NN 28553 88 10 is be VBZ 28553 88 11 three three CD 28553 88 12 or or CC 28553 88 13 four four CD 28553 88 14 times time NNS 28553 88 15 as as RB 28553 88 16 efficient efficient JJ 28553 88 17 as as IN 28553 88 18 the the DT 28553 88 19 engine engine NN 28553 88 20 of of IN 28553 88 21 fifty fifty CD 28553 88 22 years year NNS 28553 88 23 ago ago RB 28553 88 24 . . . 28553 89 1 This this DT 28553 89 2 is be VBZ 28553 89 3 due due JJ 28553 89 4 to to IN 28553 89 5 radical radical JJ 28553 89 6 improvements improvement NNS 28553 89 7 in in IN 28553 89 8 the the DT 28553 89 9 design design NN 28553 89 10 of of IN 28553 89 11 boilers boiler NNS 28553 89 12 and and CC 28553 89 13 of of IN 28553 89 14 the the DT 28553 89 15 machinery machinery NN 28553 89 16 which which WDT 28553 89 17 converts convert VBZ 28553 89 18 the the DT 28553 89 19 heat heat NN 28553 89 20 energy energy NN 28553 89 21 of of IN 28553 89 22 steam steam NN 28553 89 23 into into IN 28553 89 24 mechanical mechanical JJ 28553 89 25 motion motion NN 28553 89 26 . . . 28553 90 1 CIRCULATION circulation NN 28553 90 2 OF of IN 28553 90 3 WATER WATER NNP 28553 90 4 IN in IN 28553 90 5 A a DT 28553 90 6 BOILER boiler NN 28553 90 7 . . . 28553 91 1 If if IN 28553 91 2 you -PRON- PRP 28553 91 3 place place VBP 28553 91 4 a a DT 28553 91 5 pot pot NN 28553 91 6 filled fill VBN 28553 91 7 with with IN 28553 91 8 water water NN 28553 91 9 on on IN 28553 91 10 an an DT 28553 91 11 open open JJ 28553 91 12 fire fire NN 28553 91 13 , , , 28553 91 14 and and CC 28553 91 15 watch watch VB 28553 91 16 it -PRON- PRP 28553 91 17 when when WRB 28553 91 18 it -PRON- PRP 28553 91 19 boils boil VBZ 28553 91 20 , , , 28553 91 21 you -PRON- PRP 28553 91 22 will will MD 28553 91 23 notice notice VB 28553 91 24 that that IN 28553 91 25 the the DT 28553 91 26 water water NN 28553 91 27 heaves heave VBD 28553 91 28 up up RP 28553 91 29 at at IN 28553 91 30 the the DT 28553 91 31 sides side NNS 28553 91 32 and and CC 28553 91 33 plunges plunge NNS 28553 91 34 down down RP 28553 91 35 at at IN 28553 91 36 the the DT 28553 91 37 centre centre NN 28553 91 38 . . . 28553 92 1 This this DT 28553 92 2 is be VBZ 28553 92 3 due due JJ 28553 92 4 to to IN 28553 92 5 the the DT 28553 92 6 water water NN 28553 92 7 being be VBG 28553 92 8 heated heat VBN 28553 92 9 most most RBS 28553 92 10 at at IN 28553 92 11 the the DT 28553 92 12 sides side NNS 28553 92 13 , , , 28553 92 14 and and CC 28553 92 15 therefore therefore RB 28553 92 16 being be VBG 28553 92 17 lightest light JJS 28553 92 18 there there RB 28553 92 19 . . . 28553 93 1 The the DT 28553 93 2 rising rise VBG 28553 93 3 steam steam NN 28553 93 4 - - HYPH 28553 93 5 bubbles bubble NNS 28553 93 6 also also RB 28553 93 7 carry carry VBP 28553 93 8 it -PRON- PRP 28553 93 9 up up RP 28553 93 10 . . . 28553 94 1 On on IN 28553 94 2 reaching reach VBG 28553 94 3 the the DT 28553 94 4 surface surface NN 28553 94 5 , , , 28553 94 6 the the DT 28553 94 7 bubbles bubble NNS 28553 94 8 burst burst VBP 28553 94 9 , , , 28553 94 10 the the DT 28553 94 11 steam steam NN 28553 94 12 escapes escape NNS 28553 94 13 , , , 28553 94 14 and and CC 28553 94 15 the the DT 28553 94 16 water water NN 28553 94 17 loses lose VBZ 28553 94 18 some some DT 28553 94 19 of of IN 28553 94 20 its -PRON- PRP$ 28553 94 21 heat heat NN 28553 94 22 , , , 28553 94 23 and and CC 28553 94 24 rushes rush VBZ 28553 94 25 down down RP 28553 94 26 again again RB 28553 94 27 to to TO 28553 94 28 take take VB 28553 94 29 the the DT 28553 94 30 place place NN 28553 94 31 of of IN 28553 94 32 steam steam NN 28553 94 33 - - HYPH 28553 94 34 laden laden JJ 28553 94 35 water water NN 28553 94 36 rising rise VBG 28553 94 37 . . . 28553 95 1 [ [ -LRB- 28553 95 2 Illustration illustration NN 28553 95 3 : : : 28553 95 4 FIG FIG NNP 28553 95 5 . . . 28553 96 1 1 1 LS 28553 96 2 . . . 28553 96 3 ] ] -RRB- 28553 97 1 [ [ -LRB- 28553 97 2 Illustration illustration NN 28553 97 3 : : : 28553 97 4 FIG FIG NNP 28553 97 5 . . . 28553 98 1 2 2 LS 28553 98 2 . . . 28553 98 3 ] ] -RRB- 28553 99 1 If if IN 28553 99 2 the the DT 28553 99 3 fire fire NN 28553 99 4 is be VBZ 28553 99 5 very very RB 28553 99 6 fierce fierce JJ 28553 99 7 , , , 28553 99 8 steam steam NN 28553 99 9 - - HYPH 28553 99 10 bubbles bubble NNS 28553 99 11 may may MD 28553 99 12 rise rise VB 28553 99 13 from from IN 28553 99 14 all all DT 28553 99 15 points point NNS 28553 99 16 at at IN 28553 99 17 the the DT 28553 99 18 bottom bottom NN 28553 99 19 , , , 28553 99 20 and and CC 28553 99 21 impede impede VB 28553 99 22 downward downward JJ 28553 99 23 currents current NNS 28553 99 24 ( ( -LRB- 28553 99 25 Fig fig NN 28553 99 26 . . . 28553 100 1 1 1 LS 28553 100 2 ) ) -RRB- 28553 100 3 . . . 28553 101 1 The the DT 28553 101 2 pot pot NN 28553 101 3 then then RB 28553 101 4 " " `` 28553 101 5 boils boil VBZ 28553 101 6 over over RP 28553 101 7 . . . 28553 101 8 " " '' 28553 102 1 Fig fig NN 28553 102 2 . . . 28553 103 1 2 2 CD 28553 103 2 shows show VBZ 28553 103 3 a a DT 28553 103 4 method method NN 28553 103 5 of of IN 28553 103 6 preventing prevent VBG 28553 103 7 this this DT 28553 103 8 trouble trouble NN 28553 103 9 . . . 28553 104 1 We -PRON- PRP 28553 104 2 lower lower RBR 28553 104 3 into into IN 28553 104 4 our -PRON- PRP$ 28553 104 5 pot pot NN 28553 104 6 a a DT 28553 104 7 vessel vessel NN 28553 104 8 of of IN 28553 104 9 somewhat somewhat RB 28553 104 10 smaller small JJR 28553 104 11 diameter diameter NN 28553 104 12 , , , 28553 104 13 with with IN 28553 104 14 a a DT 28553 104 15 hole hole NN 28553 104 16 in in IN 28553 104 17 the the DT 28553 104 18 bottom bottom NN 28553 104 19 , , , 28553 104 20 arranged arrange VBN 28553 104 21 in in IN 28553 104 22 such such PDT 28553 104 23 a a DT 28553 104 24 manner manner NN 28553 104 25 as as IN 28553 104 26 to to TO 28553 104 27 leave leave VB 28553 104 28 a a DT 28553 104 29 space space NN 28553 104 30 between between IN 28553 104 31 it -PRON- PRP 28553 104 32 and and CC 28553 104 33 the the DT 28553 104 34 pot pot NN 28553 104 35 all all DT 28553 104 36 round round NN 28553 104 37 . . . 28553 105 1 The the DT 28553 105 2 upward upward JJ 28553 105 3 currents current NNS 28553 105 4 are be VBP 28553 105 5 then then RB 28553 105 6 separated separate VBN 28553 105 7 entirely entirely RB 28553 105 8 from from IN 28553 105 9 the the DT 28553 105 10 downward downward NN 28553 105 11 , , , 28553 105 12 and and CC 28553 105 13 the the DT 28553 105 14 fire fire NN 28553 105 15 can can MD 28553 105 16 be be VB 28553 105 17 forced force VBN 28553 105 18 to to IN 28553 105 19 a a DT 28553 105 20 very very RB 28553 105 21 much much RB 28553 105 22 greater great JJR 28553 105 23 extent extent NN 28553 105 24 than than IN 28553 105 25 before before RB 28553 105 26 without without IN 28553 105 27 the the DT 28553 105 28 water water NN 28553 105 29 boiling boil VBG 28553 105 30 over over RP 28553 105 31 . . . 28553 106 1 This this DT 28553 106 2 very very RB 28553 106 3 simple simple JJ 28553 106 4 arrangement arrangement NN 28553 106 5 is be VBZ 28553 106 6 the the DT 28553 106 7 basis basis NN 28553 106 8 of of IN 28553 106 9 many many JJ 28553 106 10 devices device NNS 28553 106 11 for for IN 28553 106 12 producing produce VBG 28553 106 13 free free JJ 28553 106 14 circulation circulation NN 28553 106 15 of of IN 28553 106 16 the the DT 28553 106 17 water water NN 28553 106 18 in in IN 28553 106 19 steam steam NN 28553 106 20 - - HYPH 28553 106 21 boilers boiler NNS 28553 106 22 . . . 28553 107 1 We -PRON- PRP 28553 107 2 can can MD 28553 107 3 easily easily RB 28553 107 4 follow follow VB 28553 107 5 out out RP 28553 107 6 the the DT 28553 107 7 process process NN 28553 107 8 of of IN 28553 107 9 development development NN 28553 107 10 . . . 28553 108 1 In in IN 28553 108 2 Fig Fig NNP 28553 108 3 . . . 28553 109 1 3 3 LS 28553 109 2 we -PRON- PRP 28553 109 3 see see VBP 28553 109 4 a a DT 28553 109 5 simple simple JJ 28553 109 6 U u JJ 28553 109 7 - - NN 28553 109 8 tube tube NN 28553 109 9 depending depend VBG 28553 109 10 from from IN 28553 109 11 a a DT 28553 109 12 vessel vessel NN 28553 109 13 of of IN 28553 109 14 water water NN 28553 109 15 . . . 28553 110 1 Heat heat NN 28553 110 2 is be VBZ 28553 110 3 applied apply VBN 28553 110 4 to to IN 28553 110 5 the the DT 28553 110 6 left left JJ 28553 110 7 leg leg NN 28553 110 8 , , , 28553 110 9 and and CC 28553 110 10 a a DT 28553 110 11 steady steady JJ 28553 110 12 circulation circulation NN 28553 110 13 at at IN 28553 110 14 once once RB 28553 110 15 commences commence NNS 28553 110 16 . . . 28553 111 1 In in IN 28553 111 2 order order NN 28553 111 3 to to TO 28553 111 4 increase increase VB 28553 111 5 the the DT 28553 111 6 heating heating NN 28553 111 7 surface surface NN 28553 111 8 we -PRON- PRP 28553 111 9 can can MD 28553 111 10 extend extend VB 28553 111 11 the the DT 28553 111 12 heated heated JJ 28553 111 13 leg leg NN 28553 111 14 into into IN 28553 111 15 a a DT 28553 111 16 long long JJ 28553 111 17 incline incline NN 28553 111 18 ( ( -LRB- 28553 111 19 Fig fig NN 28553 111 20 . . . 28553 112 1 4 4 LS 28553 112 2 ) ) -RRB- 28553 112 3 , , , 28553 112 4 beneath beneath IN 28553 112 5 which which WDT 28553 112 6 three three CD 28553 112 7 lamps lamp NNS 28553 112 8 instead instead RB 28553 112 9 of of IN 28553 112 10 only only RB 28553 112 11 one one CD 28553 112 12 are be VBP 28553 112 13 placed place VBN 28553 112 14 . . . 28553 113 1 The the DT 28553 113 2 direction direction NN 28553 113 3 of of IN 28553 113 4 the the DT 28553 113 5 circulation circulation NN 28553 113 6 is be VBZ 28553 113 7 the the DT 28553 113 8 same same JJ 28553 113 9 , , , 28553 113 10 but but CC 28553 113 11 its -PRON- PRP$ 28553 113 12 rate rate NN 28553 113 13 is be VBZ 28553 113 14 increased increase VBN 28553 113 15 . . . 28553 114 1 [ [ -LRB- 28553 114 2 Illustration illustration NN 28553 114 3 : : : 28553 114 4 FIG FIG NNP 28553 114 5 . . . 28553 115 1 3 3 LS 28553 115 2 . . . 28553 115 3 ] ] -RRB- 28553 116 1 A a DT 28553 116 2 further further JJ 28553 116 3 improvement improvement NN 28553 116 4 results result NNS 28553 116 5 from from IN 28553 116 6 increasing increase VBG 28553 116 7 the the DT 28553 116 8 number number NN 28553 116 9 of of IN 28553 116 10 tubes tube NNS 28553 116 11 ( ( -LRB- 28553 116 12 Fig fig NN 28553 116 13 . . . 28553 117 1 5 5 LS 28553 117 2 ) ) -RRB- 28553 117 3 , , , 28553 117 4 keeping keep VBG 28553 117 5 them -PRON- PRP 28553 117 6 all all DT 28553 117 7 on on IN 28553 117 8 the the DT 28553 117 9 slant slant NN 28553 117 10 , , , 28553 117 11 so so IN 28553 117 12 that that IN 28553 117 13 the the DT 28553 117 14 heated heated JJ 28553 117 15 water water NN 28553 117 16 and and CC 28553 117 17 steam steam NN 28553 117 18 may may MD 28553 117 19 rise rise VB 28553 117 20 freely freely RB 28553 117 21 . . . 28553 118 1 THE the DT 28553 118 2 ENCLOSED ENCLOSED NNP 28553 118 3 FURNACE FURNACE NNS 28553 118 4 . . . 28553 119 1 [ [ -LRB- 28553 119 2 Illustration illustration NN 28553 119 3 : : : 28553 119 4 FIG FIG NNP 28553 119 5 . . . 28553 120 1 4 4 LS 28553 120 2 . . . 28553 120 3 ] ] -RRB- 28553 121 1 [ [ -LRB- 28553 121 2 Illustration illustration NN 28553 121 3 : : : 28553 121 4 FIG FIG NNP 28553 121 5 . . . 28553 122 1 5 5 CD 28553 122 2 . . . 28553 122 3 ] ] -RRB- 28553 123 1 Still still RB 28553 123 2 , , , 28553 123 3 a a DT 28553 123 4 lot lot NN 28553 123 5 of of IN 28553 123 6 the the DT 28553 123 7 heat heat NN 28553 123 8 gets get VBZ 28553 123 9 away away RB 28553 123 10 . . . 28553 124 1 In in IN 28553 124 2 a a DT 28553 124 3 steam steam NN 28553 124 4 - - HYPH 28553 124 5 boiler boiler NN 28553 124 6 the the DT 28553 124 7 burning burn VBG 28553 124 8 fuel fuel NN 28553 124 9 is be VBZ 28553 124 10 enclosed enclose VBN 28553 124 11 either either CC 28553 124 12 by by IN 28553 124 13 fire fire NN 28553 124 14 - - HYPH 28553 124 15 brick brick NN 28553 124 16 or or CC 28553 124 17 a a DT 28553 124 18 " " `` 28553 124 19 water water NN 28553 124 20 - - HYPH 28553 124 21 jacket jacket NN 28553 124 22 , , , 28553 124 23 " " '' 28553 124 24 forming form VBG 28553 124 25 part part NN 28553 124 26 of of IN 28553 124 27 the the DT 28553 124 28 boiler boiler NN 28553 124 29 . . . 28553 125 1 A a DT 28553 125 2 water water NN 28553 125 3 - - HYPH 28553 125 4 jacket jacket NN 28553 125 5 signifies signifie NNS 28553 125 6 a a DT 28553 125 7 double double JJ 28553 125 8 coating coating NN 28553 125 9 of of IN 28553 125 10 metal metal NN 28553 125 11 plates plate NNS 28553 125 12 with with IN 28553 125 13 a a DT 28553 125 14 space space NN 28553 125 15 between between IN 28553 125 16 , , , 28553 125 17 which which WDT 28553 125 18 is be VBZ 28553 125 19 filled fill VBN 28553 125 20 with with IN 28553 125 21 water water NN 28553 125 22 ( ( -LRB- 28553 125 23 see see VB 28553 125 24 Fig Fig NNP 28553 125 25 . . . 28553 126 1 6 6 LS 28553 126 2 ) ) -RRB- 28553 126 3 . . . 28553 127 1 The the DT 28553 127 2 fire fire NN 28553 127 3 is be VBZ 28553 127 4 now now RB 28553 127 5 enclosed enclose VBN 28553 127 6 much much RB 28553 127 7 as as IN 28553 127 8 it -PRON- PRP 28553 127 9 is be VBZ 28553 127 10 in in IN 28553 127 11 a a DT 28553 127 12 kitchen kitchen NN 28553 127 13 range range NN 28553 127 14 . . . 28553 128 1 But but CC 28553 128 2 our -PRON- PRP$ 28553 128 3 boiler boiler NN 28553 128 4 must must MD 28553 128 5 not not RB 28553 128 6 be be VB 28553 128 7 so so RB 28553 128 8 wasteful wasteful JJ 28553 128 9 of of IN 28553 128 10 the the DT 28553 128 11 heat heat NN 28553 128 12 as as IN 28553 128 13 is be VBZ 28553 128 14 that that DT 28553 128 15 useful useful JJ 28553 128 16 household household NN 28553 128 17 fixture fixture NN 28553 128 18 . . . 28553 129 1 On on IN 28553 129 2 their -PRON- PRP$ 28553 129 3 way way NN 28553 129 4 to to IN 28553 129 5 the the DT 28553 129 6 funnel funnel NN 28553 129 7 the the DT 28553 129 8 flames flame NNS 28553 129 9 and and CC 28553 129 10 hot hot JJ 28553 129 11 gases gas NNS 28553 129 12 should should MD 28553 129 13 act act VB 28553 129 14 on on IN 28553 129 15 a a DT 28553 129 16 very very RB 28553 129 17 large large JJ 28553 129 18 metal metal NN 28553 129 19 or or CC 28553 129 20 other other JJ 28553 129 21 surface surface NN 28553 129 22 in in IN 28553 129 23 contact contact NN 28553 129 24 with with IN 28553 129 25 the the DT 28553 129 26 water water NN 28553 129 27 of of IN 28553 129 28 the the DT 28553 129 29 boiler boiler NN 28553 129 30 , , , 28553 129 31 in in IN 28553 129 32 order order NN 28553 129 33 to to TO 28553 129 34 give give VB 28553 129 35 up up RP 28553 129 36 a a DT 28553 129 37 due due JJ 28553 129 38 proportion proportion NN 28553 129 39 of of IN 28553 129 40 their -PRON- PRP$ 28553 129 41 heat heat NN 28553 129 42 . . . 28553 130 1 [ [ -LRB- 28553 130 2 Illustration illustration NN 28553 130 3 : : : 28553 130 4 FIG FIG NNP 28553 130 5 . . . 28553 131 1 6.--Diagrammatic 6.--diagrammatic JJ 28553 131 2 sketch sketch NN 28553 131 3 of of IN 28553 131 4 a a DT 28553 131 5 locomotive locomotive JJ 28553 131 6 type type NN 28553 131 7 of of IN 28553 131 8 boiler boiler NN 28553 131 9 . . . 28553 132 1 Water water NN 28553 132 2 indicated indicate VBN 28553 132 3 by by IN 28553 132 4 dotted dotted JJ 28553 132 5 lines line NNS 28553 132 6 . . . 28553 133 1 The the DT 28553 133 2 arrows arrow NNS 28553 133 3 show show VBP 28553 133 4 the the DT 28553 133 5 direction direction NN 28553 133 6 taken take VBN 28553 133 7 by by IN 28553 133 8 the the DT 28553 133 9 air air NN 28553 133 10 and and CC 28553 133 11 hot hot JJ 28553 133 12 gases gas NNS 28553 133 13 from from IN 28553 133 14 the the DT 28553 133 15 air air NN 28553 133 16 - - HYPH 28553 133 17 door door NN 28553 133 18 to to IN 28553 133 19 the the DT 28553 133 20 funnel funnel NN 28553 133 21 . . . 28553 133 22 ] ] -RRB- 28553 134 1 THE the DT 28553 134 2 MULTITUBULAR MULTITUBULAR NNP 28553 134 3 BOILER BOILER NNP 28553 134 4 . . . 28553 135 1 [ [ -LRB- 28553 135 2 Illustration illustration NN 28553 135 3 : : : 28553 135 4 FIG FIG NNP 28553 135 5 . . . 28553 136 1 7.--The 7.--The NNP 28553 136 2 Babcock Babcock NNP 28553 136 3 and and CC 28553 136 4 Wilcox Wilcox NNP 28553 136 5 water water NN 28553 136 6 - - HYPH 28553 136 7 tube tube NN 28553 136 8 boiler boiler NN 28553 136 9 . . . 28553 137 1 One one CD 28553 137 2 side side NN 28553 137 3 of of IN 28553 137 4 the the DT 28553 137 5 brick brick NN 28553 137 6 seating seating NN 28553 137 7 has have VBZ 28553 137 8 been be VBN 28553 137 9 removed remove VBN 28553 137 10 to to TO 28553 137 11 show show VB 28553 137 12 the the DT 28553 137 13 arrangement arrangement NN 28553 137 14 of of IN 28553 137 15 the the DT 28553 137 16 water water NN 28553 137 17 - - HYPH 28553 137 18 tubes tube NNS 28553 137 19 and and CC 28553 137 20 furnace furnace NN 28553 137 21 . . . 28553 137 22 ] ] -RRB- 28553 138 1 To to TO 28553 138 2 save save VB 28553 138 3 room room NN 28553 138 4 , , , 28553 138 5 boilers boiler NNS 28553 138 6 which which WDT 28553 138 7 have have VBP 28553 138 8 to to TO 28553 138 9 make make VB 28553 138 10 steam steam NN 28553 138 11 very very RB 28553 138 12 quickly quickly RB 28553 138 13 and and CC 28553 138 14 at at IN 28553 138 15 high high JJ 28553 138 16 pressures pressure NNS 28553 138 17 are be VBP 28553 138 18 largely largely RB 28553 138 19 composed compose VBN 28553 138 20 of of IN 28553 138 21 pipes pipe NNS 28553 138 22 . . . 28553 139 1 Such such JJ 28553 139 2 boilers boiler NNS 28553 139 3 we -PRON- PRP 28553 139 4 call call VBP 28553 139 5 multitubular multitubular JJ 28553 139 6 . . . 28553 140 1 They -PRON- PRP 28553 140 2 are be VBP 28553 140 3 of of IN 28553 140 4 two two CD 28553 140 5 kinds--(1 kinds--(1 NNS 28553 140 6 ) ) -RRB- 28553 140 7 _ _ NNP 28553 140 8 Water_-tube water_-tube NN 28553 140 9 boilers boiler NNS 28553 140 10 ; ; : 28553 140 11 in in IN 28553 140 12 which which WDT 28553 140 13 the the DT 28553 140 14 water water NN 28553 140 15 circulates circulate VBZ 28553 140 16 through through IN 28553 140 17 tubes tube NNS 28553 140 18 exposed expose VBN 28553 140 19 to to IN 28553 140 20 the the DT 28553 140 21 furnace furnace JJ 28553 140 22 heat heat NN 28553 140 23 . . . 28553 141 1 The the DT 28553 141 2 Babcock Babcock NNP 28553 141 3 and and CC 28553 141 4 Wilcox Wilcox NNP 28553 141 5 boiler boiler NN 28553 141 6 ( ( -LRB- 28553 141 7 Fig fig NN 28553 141 8 . . . 28553 142 1 7 7 LS 28553 142 2 ) ) -RRB- 28553 142 3 is be VBZ 28553 142 4 typical typical JJ 28553 142 5 of of IN 28553 142 6 this this DT 28553 142 7 variety variety NN 28553 142 8 . . . 28553 143 1 ( ( -LRB- 28553 143 2 2 2 LS 28553 143 3 ) ) -RRB- 28553 143 4 _ _ NNP 28553 143 5 Fire_-tube Fire_-tube NNP 28553 143 6 boilers boiler NNS 28553 143 7 ; ; : 28553 143 8 in in IN 28553 143 9 which which WDT 28553 143 10 the the DT 28553 143 11 hot hot JJ 28553 143 12 gases gas NNS 28553 143 13 pass pass VBP 28553 143 14 through through RP 28553 143 15 tubes tube NNS 28553 143 16 surrounded surround VBN 28553 143 17 by by IN 28553 143 18 water water NN 28553 143 19 . . . 28553 144 1 The the DT 28553 144 2 ordinary ordinary JJ 28553 144 3 locomotive locomotive JJ 28553 144 4 boiler boiler NN 28553 144 5 ( ( -LRB- 28553 144 6 Fig fig NN 28553 144 7 . . . 28553 145 1 6 6 LS 28553 145 2 ) ) -RRB- 28553 145 3 illustrates illustrate VBZ 28553 145 4 this this DT 28553 145 5 form form NN 28553 145 6 . . . 28553 146 1 The the DT 28553 146 2 Babcock Babcock NNP 28553 146 3 and and CC 28553 146 4 Wilcox Wilcox NNP 28553 146 5 boiler boiler NN 28553 146 6 is be VBZ 28553 146 7 widely widely RB 28553 146 8 used use VBN 28553 146 9 in in IN 28553 146 10 mines mine NNS 28553 146 11 , , , 28553 146 12 power power NN 28553 146 13 stations station NNS 28553 146 14 , , , 28553 146 15 and and CC 28553 146 16 , , , 28553 146 17 in in IN 28553 146 18 a a DT 28553 146 19 modified modify VBN 28553 146 20 form form NN 28553 146 21 , , , 28553 146 22 on on IN 28553 146 23 shipboard shipboard NNP 28553 146 24 . . . 28553 147 1 It -PRON- PRP 28553 147 2 consists consist VBZ 28553 147 3 of of IN 28553 147 4 two two CD 28553 147 5 main main JJ 28553 147 6 parts--(1 parts--(1 NN 28553 147 7 ) ) -RRB- 28553 147 8 A a DT 28553 147 9 drum drum NN 28553 147 10 , , , 28553 147 11 H h NN 28553 147 12 , , , 28553 147 13 in in IN 28553 147 14 the the DT 28553 147 15 upper upper JJ 28553 147 16 part part NN 28553 147 17 of of IN 28553 147 18 which which WDT 28553 147 19 the the DT 28553 147 20 steam steam NN 28553 147 21 collects collect VBZ 28553 147 22 ; ; , 28553 147 23 ( ( -LRB- 28553 147 24 2 2 LS 28553 147 25 ) ) -RRB- 28553 147 26 a a DT 28553 147 27 group group NN 28553 147 28 of of IN 28553 147 29 pipes pipe NNS 28553 147 30 arranged arrange VBN 28553 147 31 on on IN 28553 147 32 the the DT 28553 147 33 principle principle NN 28553 147 34 illustrated illustrate VBN 28553 147 35 by by IN 28553 147 36 Fig Fig NNP 28553 147 37 . . . 28553 148 1 5 5 CD 28553 148 2 . . . 28553 149 1 The the DT 28553 149 2 boiler boiler NN 28553 149 3 is be VBZ 28553 149 4 seated seat VBN 28553 149 5 on on IN 28553 149 6 a a DT 28553 149 7 rectangular rectangular JJ 28553 149 8 frame frame NN 28553 149 9 of of IN 28553 149 10 fire fire NN 28553 149 11 - - HYPH 28553 149 12 bricks brick NNS 28553 149 13 . . . 28553 150 1 At at IN 28553 150 2 one one CD 28553 150 3 end end NN 28553 150 4 is be VBZ 28553 150 5 the the DT 28553 150 6 furnace furnace JJ 28553 150 7 door door NN 28553 150 8 ; ; : 28553 150 9 at at IN 28553 150 10 the the DT 28553 150 11 other other JJ 28553 150 12 the the DT 28553 150 13 exit exit NN 28553 150 14 to to IN 28553 150 15 the the DT 28553 150 16 chimney chimney NN 28553 150 17 . . . 28553 151 1 From from IN 28553 151 2 the the DT 28553 151 3 furnace furnace NN 28553 151 4 F f NN 28553 151 5 the the DT 28553 151 6 flames flame NNS 28553 151 7 and and CC 28553 151 8 hot hot JJ 28553 151 9 gases gas NNS 28553 151 10 rise rise VBP 28553 151 11 round round IN 28553 151 12 the the DT 28553 151 13 upper upper JJ 28553 151 14 end end NN 28553 151 15 of of IN 28553 151 16 the the DT 28553 151 17 sloping sloping NN 28553 151 18 tubes tube NNS 28553 151 19 TT TT NNP 28553 151 20 into into IN 28553 151 21 the the DT 28553 151 22 space space NN 28553 151 23 A a NN 28553 151 24 , , , 28553 151 25 where where WRB 28553 151 26 they -PRON- PRP 28553 151 27 play play VBP 28553 151 28 upon upon IN 28553 151 29 the the DT 28553 151 30 under under JJ 28553 151 31 surface surface NN 28553 151 32 of of IN 28553 151 33 H h NN 28553 151 34 before before IN 28553 151 35 plunging plunge VBG 28553 151 36 downward downward RB 28553 151 37 again again RB 28553 151 38 among among IN 28553 151 39 the the DT 28553 151 40 tubes tube NNS 28553 151 41 into into IN 28553 151 42 the the DT 28553 151 43 space space NN 28553 151 44 B. b. NN 28553 152 1 Here here RB 28553 152 2 the the DT 28553 152 3 temperature temperature NN 28553 152 4 is be VBZ 28553 152 5 lower low JJR 28553 152 6 . . . 28553 153 1 The the DT 28553 153 2 arrows arrow NNS 28553 153 3 indicate indicate VBP 28553 153 4 further further JJ 28553 153 5 journeys journey NNS 28553 153 6 upwards upwards RB 28553 153 7 into into IN 28553 153 8 the the DT 28553 153 9 space space NN 28553 153 10 C c NN 28553 153 11 on on IN 28553 153 12 the the DT 28553 153 13 right right NN 28553 153 14 of of IN 28553 153 15 a a DT 28553 153 16 fire fire NN 28553 153 17 - - HYPH 28553 153 18 brick brick NN 28553 153 19 division division NN 28553 153 20 , , , 28553 153 21 and and CC 28553 153 22 past past IN 28553 153 23 the the DT 28553 153 24 down down NN 28553 153 25 tubes tube NNS 28553 153 26 SS SS NNP 28553 153 27 into into IN 28553 153 28 D D NNP 28553 153 29 , , , 28553 153 30 whence whence NN 28553 153 31 the the DT 28553 153 32 hot hot JJ 28553 153 33 gases gas NNS 28553 153 34 find find VBP 28553 153 35 an an DT 28553 153 36 escape escape NN 28553 153 37 into into IN 28553 153 38 the the DT 28553 153 39 chimney chimney NN 28553 153 40 through through IN 28553 153 41 the the DT 28553 153 42 opening opening NN 28553 153 43 E. E. NNP 28553 153 44 It -PRON- PRP 28553 153 45 will will MD 28553 153 46 be be VB 28553 153 47 noticed notice VBN 28553 153 48 that that IN 28553 153 49 the the DT 28553 153 50 greatest great JJS 28553 153 51 heat heat NN 28553 153 52 is be VBZ 28553 153 53 brought bring VBN 28553 153 54 to to TO 28553 153 55 bear bear VB 28553 153 56 on on IN 28553 153 57 TT TT NNP 28553 153 58 near near IN 28553 153 59 their -PRON- PRP$ 28553 153 60 junction junction NN 28553 153 61 with with IN 28553 153 62 UU UU NNP 28553 153 63 , , , 28553 153 64 the the DT 28553 153 65 " " `` 28553 153 66 uptake uptake JJ 28553 153 67 " " '' 28553 153 68 tubes tube NNS 28553 153 69 ; ; : 28553 153 70 and and CC 28553 153 71 that that IN 28553 153 72 every every DT 28553 153 73 succeeding succeed VBG 28553 153 74 passage passage NN 28553 153 75 of of IN 28553 153 76 the the DT 28553 153 77 pipes pipe NNS 28553 153 78 brings bring VBZ 28553 153 79 the the DT 28553 153 80 gradually gradually RB 28553 153 81 cooling cool VBG 28553 153 82 gases gas NNS 28553 153 83 nearer near RBR 28553 153 84 to to IN 28553 153 85 the the DT 28553 153 86 " " `` 28553 153 87 downtake downtake NN 28553 153 88 " " '' 28553 153 89 tubes tube NNS 28553 153 90 SS ss NN 28553 153 91 . . . 28553 154 1 The the DT 28553 154 2 pipes pipe NNS 28553 154 3 TT TT NNP 28553 154 4 are be VBP 28553 154 5 easily easily RB 28553 154 6 brushed brush VBN 28553 154 7 and and CC 28553 154 8 scraped scrape VBN 28553 154 9 after after IN 28553 154 10 the the DT 28553 154 11 removal removal NN 28553 154 12 of of IN 28553 154 13 plugs plug NNS 28553 154 14 from from IN 28553 154 15 the the DT 28553 154 16 " " `` 28553 154 17 headers header NNS 28553 154 18 " " '' 28553 154 19 into into IN 28553 154 20 which which WDT 28553 154 21 the the DT 28553 154 22 tube tube NN 28553 154 23 ends end NNS 28553 154 24 are be VBP 28553 154 25 expanded expand VBN 28553 154 26 . . . 28553 155 1 Other other JJ 28553 155 2 well well RB 28553 155 3 - - HYPH 28553 155 4 known know VBN 28553 155 5 water water NN 28553 155 6 - - HYPH 28553 155 7 tube tube NN 28553 155 8 boilers boiler NNS 28553 155 9 are be VBP 28553 155 10 the the DT 28553 155 11 Yarrow Yarrow NNP 28553 155 12 , , , 28553 155 13 Belleville Belleville NNP 28553 155 14 , , , 28553 155 15 Stirling Stirling NNP 28553 155 16 , , , 28553 155 17 and and CC 28553 155 18 Thorneycroft Thorneycroft NNP 28553 155 19 , , , 28553 155 20 all all DT 28553 155 21 used use VBN 28553 155 22 for for IN 28553 155 23 driving drive VBG 28553 155 24 marine marine JJ 28553 155 25 engines engine NNS 28553 155 26 . . . 28553 156 1 FIRE fire NN 28553 156 2 - - HYPH 28553 156 3 TUBE tube NN 28553 156 4 BOILERS boiler NNS 28553 156 5 . . . 28553 157 1 Fig fig NN 28553 157 2 . . . 28553 158 1 6 6 CD 28553 158 2 shows show VBZ 28553 158 3 a a DT 28553 158 4 locomotive locomotive JJ 28553 158 5 boiler boiler NN 28553 158 6 in in IN 28553 158 7 section section NN 28553 158 8 . . . 28553 159 1 To to IN 28553 159 2 the the DT 28553 159 3 right right NN 28553 159 4 is be VBZ 28553 159 5 the the DT 28553 159 6 fire fire NN 28553 159 7 - - HYPH 28553 159 8 box box NN 28553 159 9 , , , 28553 159 10 surrounded surround VBN 28553 159 11 on on IN 28553 159 12 all all DT 28553 159 13 sides side NNS 28553 159 14 by by IN 28553 159 15 a a DT 28553 159 16 water water NN 28553 159 17 - - HYPH 28553 159 18 jacket jacket NN 28553 159 19 in in IN 28553 159 20 direct direct JJ 28553 159 21 communication communication NN 28553 159 22 with with IN 28553 159 23 the the DT 28553 159 24 barrel barrel NN 28553 159 25 of of IN 28553 159 26 the the DT 28553 159 27 boiler boiler NN 28553 159 28 . . . 28553 160 1 The the DT 28553 160 2 inner inner JJ 28553 160 3 shell shell NN 28553 160 4 of of IN 28553 160 5 the the DT 28553 160 6 fire fire NN 28553 160 7 - - HYPH 28553 160 8 box box NN 28553 160 9 is be VBZ 28553 160 10 often often RB 28553 160 11 made make VBN 28553 160 12 of of IN 28553 160 13 copper copper NN 28553 160 14 , , , 28553 160 15 which which WDT 28553 160 16 withstands withstand VBZ 28553 160 17 the the DT 28553 160 18 fierce fierce JJ 28553 160 19 heat heat NN 28553 160 20 better well RBR 28553 160 21 than than IN 28553 160 22 steel steel NN 28553 160 23 ; ; : 28553 160 24 the the DT 28553 160 25 outer outer NN 28553 160 26 , , , 28553 160 27 like like IN 28553 160 28 the the DT 28553 160 29 rest rest NN 28553 160 30 of of IN 28553 160 31 the the DT 28553 160 32 boiler boiler NN 28553 160 33 , , , 28553 160 34 is be VBZ 28553 160 35 of of IN 28553 160 36 steel steel NN 28553 160 37 plates plate NNS 28553 160 38 from from IN 28553 160 39 1/2 1/2 CD 28553 160 40 to to IN 28553 160 41 3/4 3/4 CD 28553 160 42 inch inch NN 28553 160 43 thick thick JJ 28553 160 44 . . . 28553 161 1 The the DT 28553 161 2 shells shell NNS 28553 161 3 of of IN 28553 161 4 the the DT 28553 161 5 jacket jacket NN 28553 161 6 are be VBP 28553 161 7 braced brace VBN 28553 161 8 together together RB 28553 161 9 by by IN 28553 161 10 a a DT 28553 161 11 large large JJ 28553 161 12 number number NN 28553 161 13 of of IN 28553 161 14 rivets rivet NNS 28553 161 15 , , , 28553 161 16 RR rr NN 28553 161 17 ; ; : 28553 161 18 and and CC 28553 161 19 the the DT 28553 161 20 top top NN 28553 161 21 , , , 28553 161 22 or or CC 28553 161 23 crown crown NN 28553 161 24 , , , 28553 161 25 is be VBZ 28553 161 26 strengthened strengthen VBN 28553 161 27 by by IN 28553 161 28 heavy heavy JJ 28553 161 29 longitudinal longitudinal JJ 28553 161 30 girders girder NNS 28553 161 31 riveted rivet VBN 28553 161 32 to to IN 28553 161 33 it -PRON- PRP 28553 161 34 , , , 28553 161 35 or or CC 28553 161 36 is be VBZ 28553 161 37 braced brace VBN 28553 161 38 to to IN 28553 161 39 the the DT 28553 161 40 top top NN 28553 161 41 of of IN 28553 161 42 the the DT 28553 161 43 boiler boiler NN 28553 161 44 by by IN 28553 161 45 long long JJ 28553 161 46 bolts bolt NNS 28553 161 47 . . . 28553 162 1 A a DT 28553 162 2 large large JJ 28553 162 3 number number NN 28553 162 4 of of IN 28553 162 5 fire fire NN 28553 162 6 - - HYPH 28553 162 7 tubes tube NNS 28553 162 8 ( ( -LRB- 28553 162 9 only only RB 28553 162 10 three three CD 28553 162 11 are be VBP 28553 162 12 shown show VBN 28553 162 13 in in IN 28553 162 14 the the DT 28553 162 15 diagram diagram NN 28553 162 16 for for IN 28553 162 17 the the DT 28553 162 18 sake sake NN 28553 162 19 of of IN 28553 162 20 simplicity simplicity NN 28553 162 21 ) ) -RRB- 28553 162 22 extend extend VB 28553 162 23 from from IN 28553 162 24 the the DT 28553 162 25 fire fire NN 28553 162 26 - - HYPH 28553 162 27 box box NN 28553 162 28 to to IN 28553 162 29 the the DT 28553 162 30 smoke smoke NN 28553 162 31 - - HYPH 28553 162 32 box box NN 28553 162 33 . . . 28553 163 1 The the DT 28553 163 2 most most RBS 28553 163 3 powerful powerful JJ 28553 163 4 " " `` 28553 163 5 mammoth mammoth JJ 28553 163 6 " " '' 28553 163 7 American american JJ 28553 163 8 locomotives locomotive NNS 28553 163 9 have have VBP 28553 163 10 350 350 CD 28553 163 11 or or CC 28553 163 12 more more JJR 28553 163 13 tubes tube NNS 28553 163 14 , , , 28553 163 15 which which WDT 28553 163 16 , , , 28553 163 17 with with IN 28553 163 18 the the DT 28553 163 19 fire fire NN 28553 163 20 - - HYPH 28553 163 21 box box NN 28553 163 22 , , , 28553 163 23 give give VB 28553 163 24 4,000 4,000 CD 28553 163 25 square square JJ 28553 163 26 feet foot NNS 28553 163 27 of of IN 28553 163 28 surface surface NN 28553 163 29 for for IN 28553 163 30 the the DT 28553 163 31 furnace furnace JJ 28553 163 32 heat heat NN 28553 163 33 to to TO 28553 163 34 act act VB 28553 163 35 upon upon IN 28553 163 36 . . . 28553 164 1 These these DT 28553 164 2 tubes tube NNS 28553 164 3 are be VBP 28553 164 4 expanded expand VBN 28553 164 5 at at IN 28553 164 6 their -PRON- PRP$ 28553 164 7 ends end NNS 28553 164 8 by by IN 28553 164 9 a a DT 28553 164 10 special special JJ 28553 164 11 tool tool NN 28553 164 12 into into IN 28553 164 13 the the DT 28553 164 14 tube tube NN 28553 164 15 - - HYPH 28553 164 16 plates plate NNS 28553 164 17 of of IN 28553 164 18 the the DT 28553 164 19 fire fire NN 28553 164 20 - - HYPH 28553 164 21 box box NN 28553 164 22 and and CC 28553 164 23 boiler boiler NN 28553 164 24 front front NN 28553 164 25 . . . 28553 165 1 George George NNP 28553 165 2 Stephenson Stephenson NNP 28553 165 3 and and CC 28553 165 4 his -PRON- PRP$ 28553 165 5 predecessors predecessor NNS 28553 165 6 experienced experience VBD 28553 165 7 great great JJ 28553 165 8 difficulty difficulty NN 28553 165 9 in in IN 28553 165 10 rendering render VBG 28553 165 11 the the DT 28553 165 12 tube tube NN 28553 165 13 - - HYPH 28553 165 14 end end NN 28553 165 15 joints joint NNS 28553 165 16 quite quite RB 28553 165 17 water water NN 28553 165 18 - - HYPH 28553 165 19 tight tight JJ 28553 165 20 , , , 28553 165 21 but but CC 28553 165 22 the the DT 28553 165 23 invention invention NN 28553 165 24 of of IN 28553 165 25 the the DT 28553 165 26 " " `` 28553 165 27 expander expander NN 28553 165 28 " " '' 28553 165 29 has have VBZ 28553 165 30 removed remove VBN 28553 165 31 this this DT 28553 165 32 trouble trouble NN 28553 165 33 . . . 28553 166 1 The the DT 28553 166 2 _ _ NNP 28553 166 3 fire fire NN 28553 166 4 - - HYPH 28553 166 5 brick brick NN 28553 166 6 arch arch NN 28553 166 7 _ _ NNP 28553 166 8 shown show VBN 28553 166 9 ( ( -LRB- 28553 166 10 Fig fig NN 28553 166 11 . . . 28553 167 1 6 6 LS 28553 167 2 ) ) -RRB- 28553 167 3 in in IN 28553 167 4 the the DT 28553 167 5 fire fire NN 28553 167 6 - - HYPH 28553 167 7 box box NN 28553 167 8 is be VBZ 28553 167 9 used use VBN 28553 167 10 to to TO 28553 167 11 deflect deflect VB 28553 167 12 the the DT 28553 167 13 flames flame NNS 28553 167 14 towards towards IN 28553 167 15 the the DT 28553 167 16 back back NN 28553 167 17 of of IN 28553 167 18 the the DT 28553 167 19 fire fire NN 28553 167 20 - - HYPH 28553 167 21 box box NN 28553 167 22 , , , 28553 167 23 so so IN 28553 167 24 that that IN 28553 167 25 the the DT 28553 167 26 hot hot JJ 28553 167 27 gases gas NNS 28553 167 28 may may MD 28553 167 29 be be VB 28553 167 30 retarded retard VBN 28553 167 31 somewhat somewhat RB 28553 167 32 , , , 28553 167 33 and and CC 28553 167 34 their -PRON- PRP$ 28553 167 35 combustion combustion NN 28553 167 36 rendered render VBD 28553 167 37 more more RBR 28553 167 38 perfect perfect JJ 28553 167 39 . . . 28553 168 1 It -PRON- PRP 28553 168 2 also also RB 28553 168 3 helps help VBZ 28553 168 4 to to TO 28553 168 5 distribute distribute VB 28553 168 6 the the DT 28553 168 7 heat heat NN 28553 168 8 more more RBR 28553 168 9 evenly evenly RB 28553 168 10 over over IN 28553 168 11 the the DT 28553 168 12 whole whole NN 28553 168 13 of of IN 28553 168 14 the the DT 28553 168 15 inside inside NN 28553 168 16 of of IN 28553 168 17 the the DT 28553 168 18 box box NN 28553 168 19 , , , 28553 168 20 and and CC 28553 168 21 prevents prevent VBZ 28553 168 22 cold cold JJ 28553 168 23 air air NN 28553 168 24 from from IN 28553 168 25 flying fly VBG 28553 168 26 directly directly RB 28553 168 27 from from IN 28553 168 28 the the DT 28553 168 29 firing firing NN 28553 168 30 door door NN 28553 168 31 to to IN 28553 168 32 the the DT 28553 168 33 tubes tube NNS 28553 168 34 . . . 28553 169 1 In in IN 28553 169 2 some some DT 28553 169 3 American american JJ 28553 169 4 and and CC 28553 169 5 Continental Continental NNP 28553 169 6 locomotives locomotive VBZ 28553 169 7 the the DT 28553 169 8 fire fire NN 28553 169 9 - - HYPH 28553 169 10 brick brick NN 28553 169 11 arch arch NN 28553 169 12 is be VBZ 28553 169 13 replaced replace VBN 28553 169 14 by by IN 28553 169 15 a a DT 28553 169 16 " " `` 28553 169 17 water water NN 28553 169 18 bridge bridge NN 28553 169 19 , , , 28553 169 20 " " '' 28553 169 21 which which WDT 28553 169 22 serves serve VBZ 28553 169 23 the the DT 28553 169 24 same same JJ 28553 169 25 purpose purpose NN 28553 169 26 , , , 28553 169 27 while while IN 28553 169 28 giving give VBG 28553 169 29 additional additional JJ 28553 169 30 heating heating NN 28553 169 31 surface surface NN 28553 169 32 . . . 28553 170 1 The the DT 28553 170 2 water water NN 28553 170 3 circulation circulation NN 28553 170 4 in in IN 28553 170 5 a a DT 28553 170 6 locomotive locomotive JJ 28553 170 7 boiler boiler NN 28553 170 8 is be VBZ 28553 170 9 -- -- : 28553 170 10 upwards upwards RB 28553 170 11 at at IN 28553 170 12 the the DT 28553 170 13 fire fire NN 28553 170 14 - - HYPH 28553 170 15 box box NN 28553 170 16 end end NN 28553 170 17 , , , 28553 170 18 where where WRB 28553 170 19 the the DT 28553 170 20 heat heat NN 28553 170 21 is be VBZ 28553 170 22 most most RBS 28553 170 23 intense intense JJ 28553 170 24 ; ; : 28553 170 25 forward forward RB 28553 170 26 along along IN 28553 170 27 the the DT 28553 170 28 surface surface NN 28553 170 29 ; ; : 28553 170 30 downwards downwards RB 28553 170 31 at at IN 28553 170 32 the the DT 28553 170 33 smoke smoke NN 28553 170 34 - - HYPH 28553 170 35 box box NN 28553 170 36 end end NN 28553 170 37 ; ; : 28553 170 38 backwards backwards RB 28553 170 39 along along IN 28553 170 40 the the DT 28553 170 41 bottom bottom NN 28553 170 42 of of IN 28553 170 43 the the DT 28553 170 44 barrel barrel NN 28553 170 45 . . . 28553 171 1 OTHER other JJ 28553 171 2 TYPES types NN 28553 171 3 OF of IN 28553 171 4 BOILERS boiler NNS 28553 171 5 . . . 28553 172 1 For for IN 28553 172 2 small small JJ 28553 172 3 stationary stationary JJ 28553 172 4 land land NN 28553 172 5 engines engine NNS 28553 172 6 the the DT 28553 172 7 _ _ NNP 28553 172 8 vertical vertical JJ 28553 172 9 _ _ NNP 28553 172 10 boiler boiler NN 28553 172 11 is be VBZ 28553 172 12 much much RB 28553 172 13 used use VBN 28553 172 14 . . . 28553 173 1 In in IN 28553 173 2 Fig Fig NNP 28553 173 3 . . . 28553 174 1 8 8 CD 28553 174 2 we -PRON- PRP 28553 174 3 have have VBP 28553 174 4 three three CD 28553 174 5 forms form NNS 28553 174 6 of of IN 28553 174 7 this this DT 28553 174 8 type type NN 28553 174 9 -- -- : 28553 174 10 A a NN 28553 174 11 and and CC 28553 174 12 B b NN 28553 174 13 with with IN 28553 174 14 cross cross NN 28553 174 15 water water NN 28553 174 16 - - HYPH 28553 174 17 tubes tube NNS 28553 174 18 ; ; : 28553 174 19 C C NNP 28553 174 20 with with IN 28553 174 21 vertical vertical JJ 28553 174 22 fire fire NN 28553 174 23 - - HYPH 28553 174 24 tubes tube NNS 28553 174 25 . . . 28553 175 1 The the DT 28553 175 2 furnace furnace NN 28553 175 3 in in IN 28553 175 4 every every DT 28553 175 5 case case NN 28553 175 6 is be VBZ 28553 175 7 surrounded surround VBN 28553 175 8 by by IN 28553 175 9 water water NN 28553 175 10 , , , 28553 175 11 and and CC 28553 175 12 fed feed VBD 28553 175 13 through through IN 28553 175 14 a a DT 28553 175 15 door door NN 28553 175 16 at at IN 28553 175 17 one one CD 28553 175 18 side side NN 28553 175 19 . . . 28553 176 1 [ [ -LRB- 28553 176 2 Illustration illustration NN 28553 176 3 : : : 28553 176 4 FIG FIG NNP 28553 176 5 . . . 28553 177 1 8.--Diagrammatic 8.--diagrammatic CD 28553 177 2 representation representation NN 28553 177 3 of of IN 28553 177 4 three three CD 28553 177 5 types type NNS 28553 177 6 of of IN 28553 177 7 vertical vertical JJ 28553 177 8 boilers boiler NNS 28553 177 9 . . . 28553 177 10 ] ] -RRB- 28553 178 1 The the DT 28553 178 2 _ _ NNP 28553 178 3 Lancashire Lancashire NNP 28553 178 4 _ _ NNP 28553 178 5 boiler boiler NN 28553 178 6 is be VBZ 28553 178 7 of of IN 28553 178 8 large large JJ 28553 178 9 size size NN 28553 178 10 . . . 28553 179 1 It -PRON- PRP 28553 179 2 has have VBZ 28553 179 3 a a DT 28553 179 4 cylindrical cylindrical JJ 28553 179 5 shell shell NN 28553 179 6 , , , 28553 179 7 measuring measure VBG 28553 179 8 up up IN 28553 179 9 to to TO 28553 179 10 30 30 CD 28553 179 11 feet foot NNS 28553 179 12 in in IN 28553 179 13 length length NN 28553 179 14 and and CC 28553 179 15 7 7 CD 28553 179 16 feet foot NNS 28553 179 17 in in IN 28553 179 18 diameter diameter NN 28553 179 19 , , , 28553 179 20 traversed traverse VBN 28553 179 21 from from IN 28553 179 22 end end NN 28553 179 23 to to IN 28553 179 24 end end NN 28553 179 25 by by IN 28553 179 26 two two CD 28553 179 27 large large JJ 28553 179 28 flues flue NNS 28553 179 29 , , , 28553 179 30 in in IN 28553 179 31 the the DT 28553 179 32 rear rear JJ 28553 179 33 part part NN 28553 179 34 of of IN 28553 179 35 which which WDT 28553 179 36 are be VBP 28553 179 37 situated situate VBN 28553 179 38 the the DT 28553 179 39 furnaces furnace NNS 28553 179 40 . . . 28553 180 1 The the DT 28553 180 2 boiler boiler NN 28553 180 3 is be VBZ 28553 180 4 fixed fix VBN 28553 180 5 on on IN 28553 180 6 a a DT 28553 180 7 seating seating NN 28553 180 8 of of IN 28553 180 9 fire fire NN 28553 180 10 - - HYPH 28553 180 11 bricks brick NNS 28553 180 12 , , , 28553 180 13 so so RB 28553 180 14 built build VBD 28553 180 15 up up RP 28553 180 16 as as IN 28553 180 17 to to TO 28553 180 18 form form VB 28553 180 19 three three CD 28553 180 20 flues flue NNS 28553 180 21 , , , 28553 180 22 A A NNP 28553 180 23 and and CC 28553 180 24 BB BB NNP 28553 180 25 , , , 28553 180 26 shown show VBN 28553 180 27 in in IN 28553 180 28 cross cross NN 28553 180 29 section section NN 28553 180 30 in in IN 28553 180 31 Fig Fig NNP 28553 180 32 . . . 28553 181 1 9 9 CD 28553 181 2 . . . 28553 182 1 The the DT 28553 182 2 furnace furnace JJ 28553 182 3 gases gas NNS 28553 182 4 , , , 28553 182 5 after after IN 28553 182 6 leaving leave VBG 28553 182 7 the the DT 28553 182 8 two two CD 28553 182 9 furnace furnace NN 28553 182 10 flues flue NNS 28553 182 11 , , , 28553 182 12 are be VBP 28553 182 13 deflected deflect VBN 28553 182 14 downwards downwards RB 28553 182 15 into into IN 28553 182 16 the the DT 28553 182 17 channel channel NN 28553 182 18 A A NNP 28553 182 19 , , , 28553 182 20 by by IN 28553 182 21 which which WDT 28553 182 22 they -PRON- PRP 28553 182 23 pass pass VBP 28553 182 24 underneath underneath IN 28553 182 25 the the DT 28553 182 26 boiler boiler NN 28553 182 27 to to IN 28553 182 28 a a DT 28553 182 29 point point NN 28553 182 30 almost almost RB 28553 182 31 under under IN 28553 182 32 the the DT 28553 182 33 furnace furnace NN 28553 182 34 , , , 28553 182 35 where where WRB 28553 182 36 they -PRON- PRP 28553 182 37 divide divide VBP 28553 182 38 right right RB 28553 182 39 and and CC 28553 182 40 left leave VBD 28553 182 41 and and CC 28553 182 42 travel travel VB 28553 182 43 through through IN 28553 182 44 cross cross NN 28553 182 45 passages passage NNS 28553 182 46 into into IN 28553 182 47 the the DT 28553 182 48 side side NN 28553 182 49 channels channel NNS 28553 182 50 BB BB NNP 28553 182 51 , , , 28553 182 52 to to TO 28553 182 53 be be VB 28553 182 54 led lead VBN 28553 182 55 along along IN 28553 182 56 the the DT 28553 182 57 boiler boiler NN 28553 182 58 's 's POS 28553 182 59 flanks flank NNS 28553 182 60 to to IN 28553 182 61 the the DT 28553 182 62 chimney chimney NNP 28553 182 63 exit exit NN 28553 182 64 C. C. NNP 28553 182 65 By by IN 28553 182 66 this this DT 28553 182 67 arrangement arrangement NN 28553 182 68 the the DT 28553 182 69 effective effective JJ 28553 182 70 heating heating NN 28553 182 71 surface surface NN 28553 182 72 is be VBZ 28553 182 73 greatly greatly RB 28553 182 74 increased increase VBN 28553 182 75 ; ; : 28553 182 76 and and CC 28553 182 77 the the DT 28553 182 78 passages passage NNS 28553 182 79 being be VBG 28553 182 80 large large JJ 28553 182 81 , , , 28553 182 82 natural natural JJ 28553 182 83 draught draught NN 28553 182 84 generally generally RB 28553 182 85 suffices suffice VBZ 28553 182 86 to to TO 28553 182 87 maintain maintain VB 28553 182 88 proper proper JJ 28553 182 89 combustion combustion NN 28553 182 90 . . . 28553 183 1 The the DT 28553 183 2 Lancashire Lancashire NNP 28553 183 3 boiler boiler NN 28553 183 4 is be VBZ 28553 183 5 much much RB 28553 183 6 used use VBN 28553 183 7 in in IN 28553 183 8 factories factory NNS 28553 183 9 and and CC 28553 183 10 ( ( -LRB- 28553 183 11 in in IN 28553 183 12 a a DT 28553 183 13 modified modify VBN 28553 183 14 form form NN 28553 183 15 ) ) -RRB- 28553 183 16 on on IN 28553 183 17 ships ship NNS 28553 183 18 , , , 28553 183 19 since since IN 28553 183 20 it -PRON- PRP 28553 183 21 is be VBZ 28553 183 22 a a DT 28553 183 23 steady steady JJ 28553 183 24 steamer steamer NN 28553 183 25 and and CC 28553 183 26 is be VBZ 28553 183 27 easily easily RB 28553 183 28 kept keep VBN 28553 183 29 in in IN 28553 183 30 order order NN 28553 183 31 . . . 28553 184 1 [ [ -LRB- 28553 184 2 Illustration illustration NN 28553 184 3 : : : 28553 184 4 FIG FIG NNP 28553 184 5 . . . 28553 185 1 9.--Cross 9.--cross CD 28553 185 2 and and CC 28553 185 3 longitudinal longitudinal JJ 28553 185 4 sections section NNS 28553 185 5 of of IN 28553 185 6 a a DT 28553 185 7 Lancashire Lancashire NNP 28553 185 8 boiler boiler NN 28553 185 9 . . . 28553 185 10 ] ] -RRB- 28553 186 1 In in IN 28553 186 2 marine marine JJ 28553 186 3 boilers boiler NNS 28553 186 4 of of IN 28553 186 5 cylindrical cylindrical NNP 28553 186 6 shape shape NNP 28553 186 7 cross cross NNP 28553 186 8 water water NN 28553 186 9 - - HYPH 28553 186 10 tubes tube NNS 28553 186 11 and and CC 28553 186 12 fire fire NN 28553 186 13 - - HYPH 28553 186 14 tubes tube NNS 28553 186 15 are be VBP 28553 186 16 often often RB 28553 186 17 employed employ VBN 28553 186 18 to to TO 28553 186 19 increase increase VB 28553 186 20 the the DT 28553 186 21 heating heating NN 28553 186 22 surface surface NN 28553 186 23 . . . 28553 187 1 Return return NN 28553 187 2 tubes tube NNS 28553 187 3 are be VBP 28553 187 4 also also RB 28553 187 5 led lead VBN 28553 187 6 through through IN 28553 187 7 the the DT 28553 187 8 water water NN 28553 187 9 to to IN 28553 187 10 the the DT 28553 187 11 funnels funnel NNS 28553 187 12 , , , 28553 187 13 situated situate VBN 28553 187 14 at at IN 28553 187 15 the the DT 28553 187 16 same same JJ 28553 187 17 end end NN 28553 187 18 as as IN 28553 187 19 the the DT 28553 187 20 furnace furnace NN 28553 187 21 . . . 28553 188 1 AIDS AIDS NNP 28553 188 2 TO to IN 28553 188 3 COMBUSTION COMBUSTION NNP 28553 188 4 . . . 28553 189 1 We -PRON- PRP 28553 189 2 may may MD 28553 189 3 now now RB 28553 189 4 turn turn VB 28553 189 5 our -PRON- PRP$ 28553 189 6 attention attention NN 28553 189 7 more more RBR 28553 189 8 particularly particularly RB 28553 189 9 to to IN 28553 189 10 the the DT 28553 189 11 chemical chemical NN 28553 189 12 process process NN 28553 189 13 called call VBN 28553 189 14 _ _ NNP 28553 189 15 combustion combustion NN 28553 189 16 _ _ NNP 28553 189 17 , , , 28553 189 18 upon upon IN 28553 189 19 which which WDT 28553 189 20 a a DT 28553 189 21 boiler boiler NN 28553 189 22 depends depend VBZ 28553 189 23 for for IN 28553 189 24 its -PRON- PRP$ 28553 189 25 heat heat NN 28553 189 26 . . . 28553 190 1 Ordinary ordinary JJ 28553 190 2 steam steam NN 28553 190 3 coal coal NN 28553 190 4 contains contain VBZ 28553 190 5 about about IN 28553 190 6 85 85 CD 28553 190 7 per per NN 28553 190 8 cent cent NN 28553 190 9 . . . 28553 191 1 of of IN 28553 191 2 carbon carbon NN 28553 191 3 , , , 28553 191 4 7 7 CD 28553 191 5 per per NN 28553 191 6 cent cent NN 28553 191 7 . . . 28553 192 1 of of IN 28553 192 2 oxygen oxygen NN 28553 192 3 , , , 28553 192 4 and and CC 28553 192 5 4 4 CD 28553 192 6 per per NN 28553 192 7 cent cent NN 28553 192 8 . . . 28553 193 1 of of IN 28553 193 2 hydrogen hydrogen NNP 28553 193 3 , , , 28553 193 4 besides besides IN 28553 193 5 traces trace NNS 28553 193 6 of of IN 28553 193 7 nitrogen nitrogen NN 28553 193 8 and and CC 28553 193 9 sulphur sulphur NNP 28553 193 10 and and CC 28553 193 11 a a DT 28553 193 12 small small JJ 28553 193 13 incombustible incombustible JJ 28553 193 14 residue residue NN 28553 193 15 . . . 28553 194 1 When when WRB 28553 194 2 the the DT 28553 194 3 coal coal NN 28553 194 4 burns burn VBZ 28553 194 5 , , , 28553 194 6 the the DT 28553 194 7 nitrogen nitrogen NN 28553 194 8 is be VBZ 28553 194 9 released release VBN 28553 194 10 and and CC 28553 194 11 passes pass VBZ 28553 194 12 away away RB 28553 194 13 without without IN 28553 194 14 combining combine VBG 28553 194 15 with with IN 28553 194 16 any any DT 28553 194 17 of of IN 28553 194 18 the the DT 28553 194 19 other other JJ 28553 194 20 elements element NNS 28553 194 21 . . . 28553 195 1 The the DT 28553 195 2 sulphur sulphur NN 28553 195 3 unites unite VBZ 28553 195 4 with with IN 28553 195 5 hydrogen hydrogen NN 28553 195 6 and and CC 28553 195 7 forms form NNS 28553 195 8 sulphuretted sulphuret VBD 28553 195 9 hydrogen hydrogen NN 28553 195 10 ( ( -LRB- 28553 195 11 also also RB 28553 195 12 named name VBN 28553 195 13 sulphurous sulphurous JJ 28553 195 14 acid acid NN 28553 195 15 ) ) -RRB- 28553 195 16 , , , 28553 195 17 which which WDT 28553 195 18 is be VBZ 28553 195 19 injurious injurious JJ 28553 195 20 to to IN 28553 195 21 steel steel NN 28553 195 22 plates plate NNS 28553 195 23 , , , 28553 195 24 and and CC 28553 195 25 is be VBZ 28553 195 26 largely largely RB 28553 195 27 responsible responsible JJ 28553 195 28 for for IN 28553 195 29 the the DT 28553 195 30 decay decay NN 28553 195 31 of of IN 28553 195 32 tubes tube NNS 28553 195 33 and and CC 28553 195 34 funnels funnel NNS 28553 195 35 . . . 28553 196 1 More More JJR 28553 196 2 of of IN 28553 196 3 the the DT 28553 196 4 hydrogen hydrogen NN 28553 196 5 unites unite VBZ 28553 196 6 with with IN 28553 196 7 the the DT 28553 196 8 oxygen oxygen NN 28553 196 9 as as IN 28553 196 10 steam steam NN 28553 196 11 . . . 28553 197 1 The the DT 28553 197 2 most most RBS 28553 197 3 important important JJ 28553 197 4 element element NN 28553 197 5 in in IN 28553 197 6 coal coal NN 28553 197 7 is be VBZ 28553 197 8 the the DT 28553 197 9 carbon carbon NN 28553 197 10 ( ( -LRB- 28553 197 11 known know VBN 28553 197 12 chemically chemically RB 28553 197 13 by by IN 28553 197 14 the the DT 28553 197 15 symbol symbol NN 28553 197 16 C C NNP 28553 197 17 ) ) -RRB- 28553 197 18 . . . 28553 198 1 Its -PRON- PRP$ 28553 198 2 combination combination NN 28553 198 3 with with IN 28553 198 4 oxygen oxygen NN 28553 198 5 , , , 28553 198 6 called call VBN 28553 198 7 combustion combustion NN 28553 198 8 , , , 28553 198 9 is be VBZ 28553 198 10 the the DT 28553 198 11 act act NN 28553 198 12 which which WDT 28553 198 13 heats heat VBZ 28553 198 14 the the DT 28553 198 15 boiler boiler NN 28553 198 16 . . . 28553 199 1 Only only RB 28553 199 2 when when WRB 28553 199 3 the the DT 28553 199 4 carbon carbon NN 28553 199 5 present present NN 28553 199 6 has have VBZ 28553 199 7 combined combine VBN 28553 199 8 with with IN 28553 199 9 the the DT 28553 199 10 greatest great JJS 28553 199 11 possible possible JJ 28553 199 12 amount amount NN 28553 199 13 of of IN 28553 199 14 oxygen oxygen NN 28553 199 15 that that IN 28553 199 16 it -PRON- PRP 28553 199 17 will will MD 28553 199 18 take take VB 28553 199 19 into into IN 28553 199 20 partnership partnership NN 28553 199 21 is be VBZ 28553 199 22 the the DT 28553 199 23 combustion combustion NN 28553 199 24 complete complete JJ 28553 199 25 and and CC 28553 199 26 the the DT 28553 199 27 full full JJ 28553 199 28 heat heat NN 28553 199 29 - - HYPH 28553 199 30 value value NN 28553 199 31 ( ( -LRB- 28553 199 32 fixed fix VBN 28553 199 33 by by IN 28553 199 34 scientific scientific JJ 28553 199 35 experiment experiment NN 28553 199 36 at at IN 28553 199 37 14,500 14,500 CD 28553 199 38 thermal thermal JJ 28553 199 39 units unit NNS 28553 199 40 per per IN 28553 199 41 pound pound NN 28553 199 42 of of IN 28553 199 43 carbon carbon NN 28553 199 44 ) ) -RRB- 28553 199 45 developed develop VBD 28553 199 46 . . . 28553 200 1 Now now RB 28553 200 2 , , , 28553 200 3 carbon carbon NN 28553 200 4 may may MD 28553 200 5 unite unite VB 28553 200 6 with with IN 28553 200 7 oxygen oxygen NN 28553 200 8 , , , 28553 200 9 atom atom NN 28553 200 10 for for IN 28553 200 11 atom atom NN 28553 200 12 , , , 28553 200 13 and and CC 28553 200 14 form form NN 28553 200 15 _ _ NNP 28553 200 16 carbon carbon NN 28553 200 17 monoxide monoxide NN 28553 200 18 _ _ NNP 28553 200 19 ( ( -LRB- 28553 200 20 CO CO NNP 28553 200 21 ) ) -RRB- 28553 200 22 ; ; : 28553 200 23 or or CC 28553 200 24 in in IN 28553 200 25 the the DT 28553 200 26 proportion proportion NN 28553 200 27 of of IN 28553 200 28 one one CD 28553 200 29 atom atom NN 28553 200 30 of of IN 28553 200 31 carbon carbon NN 28553 200 32 to to IN 28553 200 33 _ _ NNP 28553 200 34 two two CD 28553 200 35 _ _ NNP 28553 200 36 of of IN 28553 200 37 oxygen oxygen NN 28553 200 38 , , , 28553 200 39 and and CC 28553 200 40 form form NN 28553 200 41 _ _ NNP 28553 200 42 carbon carbon NN 28553 200 43 dioxide dioxide NN 28553 200 44 _ _ NNP 28553 200 45 ( ( -LRB- 28553 200 46 CO_2 co_2 NN 28553 200 47 ) ) -RRB- 28553 200 48 . . . 28553 201 1 The the DT 28553 201 2 former former JJ 28553 201 3 gas gas NN 28553 201 4 is be VBZ 28553 201 5 combustible combustible JJ 28553 201 6 -- -- : 28553 201 7 that that RB 28553 201 8 is be VBZ 28553 201 9 , , , 28553 201 10 will will MD 28553 201 11 admit admit VB 28553 201 12 another another DT 28553 201 13 atom atom NN 28553 201 14 of of IN 28553 201 15 carbon carbon NN 28553 201 16 to to IN 28553 201 17 the the DT 28553 201 18 molecule molecule NN 28553 201 19 -- -- : 28553 201 20 but but CC 28553 201 21 the the DT 28553 201 22 latter latter JJ 28553 201 23 is be VBZ 28553 201 24 saturated saturate VBN 28553 201 25 with with IN 28553 201 26 oxygen oxygen NN 28553 201 27 , , , 28553 201 28 and and CC 28553 201 29 will will MD 28553 201 30 not not RB 28553 201 31 burn burn VB 28553 201 32 , , , 28553 201 33 or or CC 28553 201 34 , , , 28553 201 35 to to TO 28553 201 36 put put VB 28553 201 37 it -PRON- PRP 28553 201 38 otherwise otherwise RB 28553 201 39 , , , 28553 201 40 is be VBZ 28553 201 41 the the DT 28553 201 42 product product NN 28553 201 43 of of IN 28553 201 44 _ _ NNP 28553 201 45 perfect perfect JJ 28553 201 46 _ _ NNP 28553 201 47 combustion combustion NN 28553 201 48 . . . 28553 202 1 A a DT 28553 202 2 properly properly RB 28553 202 3 designed design VBN 28553 202 4 furnace furnace NN 28553 202 5 , , , 28553 202 6 supplied supply VBN 28553 202 7 with with IN 28553 202 8 a a DT 28553 202 9 due due JJ 28553 202 10 amount amount NN 28553 202 11 of of IN 28553 202 12 air air NN 28553 202 13 , , , 28553 202 14 will will MD 28553 202 15 cause cause VB 28553 202 16 nearly nearly RB 28553 202 17 all all PDT 28553 202 18 the the DT 28553 202 19 carbon carbon NN 28553 202 20 in in IN 28553 202 21 the the DT 28553 202 22 coal coal NN 28553 202 23 burnt burn VBN 28553 202 24 to to TO 28553 202 25 combine combine VB 28553 202 26 with with IN 28553 202 27 the the DT 28553 202 28 full full JJ 28553 202 29 amount amount NN 28553 202 30 of of IN 28553 202 31 oxygen oxygen NN 28553 202 32 . . . 28553 203 1 On on IN 28553 203 2 the the DT 28553 203 3 other other JJ 28553 203 4 hand hand NN 28553 203 5 , , , 28553 203 6 if if IN 28553 203 7 the the DT 28553 203 8 oxygen oxygen NN 28553 203 9 supply supply NN 28553 203 10 is be VBZ 28553 203 11 inefficient inefficient JJ 28553 203 12 , , , 28553 203 13 CO CO NNP 28553 203 14 as as RB 28553 203 15 well well RB 28553 203 16 as as IN 28553 203 17 CO_2 co_2 NN 28553 203 18 will will MD 28553 203 19 form form VB 28553 203 20 , , , 28553 203 21 and and CC 28553 203 22 there there EX 28553 203 23 will will MD 28553 203 24 be be VB 28553 203 25 a a DT 28553 203 26 heat heat NN 28553 203 27 loss loss NN 28553 203 28 , , , 28553 203 29 equal equal JJ 28553 203 30 in in IN 28553 203 31 extreme extreme JJ 28553 203 32 cases case NNS 28553 203 33 to to IN 28553 203 34 two two CD 28553 203 35 - - HYPH 28553 203 36 thirds third NNS 28553 203 37 of of IN 28553 203 38 the the DT 28553 203 39 whole whole NN 28553 203 40 . . . 28553 204 1 It -PRON- PRP 28553 204 2 is be VBZ 28553 204 3 therefore therefore RB 28553 204 4 necessary necessary JJ 28553 204 5 that that IN 28553 204 6 a a DT 28553 204 7 furnace furnace NN 28553 204 8 which which WDT 28553 204 9 has have VBZ 28553 204 10 to to TO 28553 204 11 eat eat VB 28553 204 12 up up RP 28553 204 13 fuel fuel NN 28553 204 14 at at IN 28553 204 15 a a DT 28553 204 16 great great JJ 28553 204 17 pace pace NN 28553 204 18 should should MD 28553 204 19 be be VB 28553 204 20 artificially artificially RB 28553 204 21 fed feed VBN 28553 204 22 with with IN 28553 204 23 air air NN 28553 204 24 in in IN 28553 204 25 the the DT 28553 204 26 proportion proportion NN 28553 204 27 of of IN 28553 204 28 from from IN 28553 204 29 12 12 CD 28553 204 30 to to TO 28553 204 31 20 20 CD 28553 204 32 _ _ NNP 28553 204 33 pounds pound NNS 28553 204 34 _ _ NNP 28553 204 35 of of IN 28553 204 36 air air NN 28553 204 37 for for IN 28553 204 38 every every DT 28553 204 39 pound pound NN 28553 204 40 of of IN 28553 204 41 fuel fuel NN 28553 204 42 . . . 28553 205 1 There there EX 28553 205 2 are be VBP 28553 205 3 two two CD 28553 205 4 methods method NNS 28553 205 5 of of IN 28553 205 6 creating create VBG 28553 205 7 a a DT 28553 205 8 violent violent JJ 28553 205 9 draught draught NN 28553 205 10 through through IN 28553 205 11 the the DT 28553 205 12 furnace furnace NN 28553 205 13 . . . 28553 206 1 The the DT 28553 206 2 first first JJ 28553 206 3 is-- is-- NNP 28553 206 4 The the DT 28553 206 5 _ _ NNP 28553 206 6 forced force VBD 28553 206 7 draught draught NN 28553 206 8 _ _ NNP 28553 206 9 ; ; : 28553 206 10 very very RB 28553 206 11 simply simply RB 28553 206 12 exemplified exemplify VBN 28553 206 13 by by IN 28553 206 14 the the DT 28553 206 15 ordinary ordinary JJ 28553 206 16 bellows bellow NNS 28553 206 17 used use VBN 28553 206 18 in in IN 28553 206 19 every every DT 28553 206 20 house house NN 28553 206 21 . . . 28553 207 1 On on IN 28553 207 2 a a DT 28553 207 3 ship ship NN 28553 207 4 ( ( -LRB- 28553 207 5 Fig fig NN 28553 207 6 . . . 28553 208 1 10 10 LS 28553 208 2 ) ) -RRB- 28553 208 3 the the DT 28553 208 4 principle principle NN 28553 208 5 is be VBZ 28553 208 6 developed develop VBN 28553 208 7 as as IN 28553 208 8 follows:--The follows:--the DT 28553 208 9 boilers boiler NNS 28553 208 10 are be VBP 28553 208 11 situated situate VBN 28553 208 12 in in IN 28553 208 13 a a DT 28553 208 14 compartment compartment NN 28553 208 15 or or CC 28553 208 16 compartments compartment NNS 28553 208 17 having have VBG 28553 208 18 no no DT 28553 208 19 communication communication NN 28553 208 20 with with IN 28553 208 21 the the DT 28553 208 22 outer outer JJ 28553 208 23 air air NN 28553 208 24 , , , 28553 208 25 except except IN 28553 208 26 for for IN 28553 208 27 the the DT 28553 208 28 passages passage NNS 28553 208 29 down down IN 28553 208 30 which which WDT 28553 208 31 air air NN 28553 208 32 is be VBZ 28553 208 33 forced force VBN 28553 208 34 by by IN 28553 208 35 powerful powerful JJ 28553 208 36 fans fan NNS 28553 208 37 at at IN 28553 208 38 a a DT 28553 208 39 pressure pressure NN 28553 208 40 considerably considerably RB 28553 208 41 greater great JJR 28553 208 42 than than IN 28553 208 43 that that DT 28553 208 44 of of IN 28553 208 45 the the DT 28553 208 46 atmosphere atmosphere NN 28553 208 47 . . . 28553 209 1 There there EX 28553 209 2 is be VBZ 28553 209 3 only only RB 28553 209 4 one one CD 28553 209 5 " " '' 28553 209 6 way way NN 28553 209 7 out"--namely out"--namely RB 28553 209 8 , , , 28553 209 9 through through IN 28553 209 10 the the DT 28553 209 11 furnace furnace NN 28553 209 12 and and CC 28553 209 13 tubes tube NNS 28553 209 14 ( ( -LRB- 28553 209 15 or or CC 28553 209 16 gas gas NN 28553 209 17 - - HYPH 28553 209 18 ways way NNS 28553 209 19 ) ) -RRB- 28553 209 20 of of IN 28553 209 21 the the DT 28553 209 22 boiler boiler NN 28553 209 23 , , , 28553 209 24 and and CC 28553 209 25 the the DT 28553 209 26 funnel funnel NN 28553 209 27 . . . 28553 210 1 So so RB 28553 210 2 through through IN 28553 210 3 these these DT 28553 210 4 it -PRON- PRP 28553 210 5 rushes rush VBZ 28553 210 6 , , , 28553 210 7 raising raise VBG 28553 210 8 the the DT 28553 210 9 fuel fuel NN 28553 210 10 to to IN 28553 210 11 white white JJ 28553 210 12 heat heat NN 28553 210 13 . . . 28553 211 1 As as IN 28553 211 2 may may MD 28553 211 3 easily easily RB 28553 211 4 be be VB 28553 211 5 imagined imagine VBN 28553 211 6 , , , 28553 211 7 the the DT 28553 211 8 temperature temperature NN 28553 211 9 of of IN 28553 211 10 a a DT 28553 211 11 stokehold stokehold JJ 28553 211 12 , , , 28553 211 13 especially especially RB 28553 211 14 in in IN 28553 211 15 the the DT 28553 211 16 tropics tropic NNS 28553 211 17 , , , 28553 211 18 is be VBZ 28553 211 19 far far RB 28553 211 20 from from IN 28553 211 21 pleasant pleasant JJ 28553 211 22 . . . 28553 212 1 In in IN 28553 212 2 the the DT 28553 212 3 Red Red NNP 28553 212 4 Sea Sea NNP 28553 212 5 the the DT 28553 212 6 thermometer thermometer NN 28553 212 7 sometimes sometimes RB 28553 212 8 rises rise VBZ 28553 212 9 to to IN 28553 212 10 170 170 CD 28553 212 11 ° ° NNS 28553 212 12 Fahrenheit Fahrenheit NNP 28553 212 13 or or CC 28553 212 14 more more JJR 28553 212 15 , , , 28553 212 16 and and CC 28553 212 17 the the DT 28553 212 18 poor poor JJ 28553 212 19 stokers stoker NNS 28553 212 20 have have VBP 28553 212 21 a a DT 28553 212 22 very very RB 28553 212 23 bad bad JJ 28553 212 24 time time NN 28553 212 25 of of IN 28553 212 26 it -PRON- PRP 28553 212 27 . . . 28553 213 1 [ [ -LRB- 28553 213 2 Illustration illustration NN 28553 213 3 : : : 28553 213 4 FIG FIG NNP 28553 213 5 . . . 28553 214 1 10.--Sketch 10.--sketch CD 28553 214 2 showing show VBG 28553 214 3 how how WRB 28553 214 4 the the DT 28553 214 5 " " `` 28553 214 6 forced forced JJ 28553 214 7 draught draught NN 28553 214 8 " " '' 28553 214 9 is be VBZ 28553 214 10 produced produce VBN 28553 214 11 in in IN 28553 214 12 a a DT 28553 214 13 stokehold stokehold NN 28553 214 14 and and CC 28553 214 15 how how WRB 28553 214 16 it -PRON- PRP 28553 214 17 affects affect VBZ 28553 214 18 the the DT 28553 214 19 furnaces furnace NNS 28553 214 20 . . . 28553 214 21 ] ] -RRB- 28553 215 1 [ [ -LRB- 28553 215 2 Illustration illustration NN 28553 215 3 : : : 28553 215 4 SCENE scene NN 28553 215 5 IN in IN 28553 215 6 THE the DT 28553 215 7 STOKEHOLD stokehold NN 28553 215 8 OF of IN 28553 215 9 A a DT 28553 215 10 BATTLE BATTLE NNP 28553 215 11 - - HYPH 28553 215 12 SHIP SHIP NNP 28553 215 13 . . . 28553 215 14 ] ] -RRB- 28553 216 1 The the DT 28553 216 2 second second JJ 28553 216 3 system system NN 28553 216 4 is be VBZ 28553 216 5 that that DT 28553 216 6 of of IN 28553 216 7 the the DT 28553 216 8 _ _ NNP 28553 216 9 induced induce VBN 28553 216 10 draught draught NN 28553 216 11 _ _ NNP 28553 216 12 . . . 28553 217 1 Here here RB 28553 217 2 air air NN 28553 217 3 is be VBZ 28553 217 4 _ _ NNP 28553 217 5 sucked suck VBD 28553 217 6 _ _ NNP 28553 217 7 through through IN 28553 217 8 the the DT 28553 217 9 furnace furnace NN 28553 217 10 by by IN 28553 217 11 creating create VBG 28553 217 12 a a DT 28553 217 13 vacuum vacuum NN 28553 217 14 in in IN 28553 217 15 the the DT 28553 217 16 funnel funnel NN 28553 217 17 and and CC 28553 217 18 in in IN 28553 217 19 a a DT 28553 217 20 chamber chamber NN 28553 217 21 opening opening NN 28553 217 22 into into IN 28553 217 23 it -PRON- PRP 28553 217 24 . . . 28553 218 1 Turning turn VBG 28553 218 2 to to IN 28553 218 3 Fig Fig NNP 28553 218 4 . . . 28553 219 1 6 6 CD 28553 219 2 , , , 28553 219 3 we -PRON- PRP 28553 219 4 see see VBP 28553 219 5 a a DT 28553 219 6 pipe pipe NN 28553 219 7 through through IN 28553 219 8 which which WDT 28553 219 9 the the DT 28553 219 10 exhaust exhaust NN 28553 219 11 steam steam NN 28553 219 12 from from IN 28553 219 13 the the DT 28553 219 14 locomotive locomotive NNP 28553 219 15 's 's POS 28553 219 16 cylinders cylinder NNS 28553 219 17 is be VBZ 28553 219 18 shot shoot VBN 28553 219 19 upwards upwards RB 28553 219 20 into into IN 28553 219 21 the the DT 28553 219 22 funnel funnel NN 28553 219 23 , , , 28553 219 24 in in IN 28553 219 25 which which WDT 28553 219 26 , , , 28553 219 27 and and CC 28553 219 28 in in IN 28553 219 29 the the DT 28553 219 30 smoke smoke NN 28553 219 31 - - HYPH 28553 219 32 box box NN 28553 219 33 beneath beneath IN 28553 219 34 it -PRON- PRP 28553 219 35 , , , 28553 219 36 a a DT 28553 219 37 strong strong JJ 28553 219 38 vacuum vacuum NN 28553 219 39 is be VBZ 28553 219 40 formed form VBN 28553 219 41 while while IN 28553 219 42 the the DT 28553 219 43 engine engine NN 28553 219 44 is be VBZ 28553 219 45 running run VBG 28553 219 46 . . . 28553 220 1 Now now RB 28553 220 2 , , , 28553 220 3 " " '' 28553 220 4 nature nature NN 28553 220 5 abhors abhor VBZ 28553 220 6 a a DT 28553 220 7 vacuum vacuum NN 28553 220 8 , , , 28553 220 9 " " '' 28553 220 10 so so RB 28553 220 11 air air NN 28553 220 12 will will MD 28553 220 13 get get VB 28553 220 14 into into IN 28553 220 15 the the DT 28553 220 16 smoke smoke NN 28553 220 17 - - HYPH 28553 220 18 box box NN 28553 220 19 if if IN 28553 220 20 there there EX 28553 220 21 be be VB 28553 220 22 a a DT 28553 220 23 way way NN 28553 220 24 open open JJ 28553 220 25 . . . 28553 221 1 There there EX 28553 221 2 is be VBZ 28553 221 3 -- -- : 28553 221 4 through through IN 28553 221 5 the the DT 28553 221 6 air air NN 28553 221 7 - - HYPH 28553 221 8 doors door NNS 28553 221 9 at at IN 28553 221 10 the the DT 28553 221 11 bottom bottom NN 28553 221 12 of of IN 28553 221 13 the the DT 28553 221 14 furnace furnace NN 28553 221 15 , , , 28553 221 16 the the DT 28553 221 17 furnace furnace NN 28553 221 18 itself -PRON- PRP 28553 221 19 , , , 28553 221 20 and and CC 28553 221 21 the the DT 28553 221 22 fire fire NN 28553 221 23 - - HYPH 28553 221 24 tubes tube NNS 28553 221 25 ; ; : 28553 221 26 and and CC 28553 221 27 on on IN 28553 221 28 the the DT 28553 221 29 way way NN 28553 221 30 oxygen oxygen NN 28553 221 31 combines combine VBZ 28553 221 32 with with IN 28553 221 33 the the DT 28553 221 34 carbon carbon NN 28553 221 35 of of IN 28553 221 36 the the DT 28553 221 37 fuel fuel NN 28553 221 38 , , , 28553 221 39 to to TO 28553 221 40 form form VB 28553 221 41 carbon carbon NN 28553 221 42 dioxide dioxide NN 28553 221 43 . . . 28553 222 1 The the DT 28553 222 2 power power NN 28553 222 3 of of IN 28553 222 4 the the DT 28553 222 5 draught draught NN 28553 222 6 is be VBZ 28553 222 7 so so RB 28553 222 8 great great JJ 28553 222 9 that that IN 28553 222 10 , , , 28553 222 11 as as IN 28553 222 12 one one CD 28553 222 13 often often RB 28553 222 14 notices notice VBZ 28553 222 15 when when WRB 28553 222 16 a a DT 28553 222 17 train train NN 28553 222 18 passes pass VBZ 28553 222 19 during during IN 28553 222 20 the the DT 28553 222 21 night night NN 28553 222 22 , , , 28553 222 23 red red JJ 28553 222 24 - - HYPH 28553 222 25 hot hot JJ 28553 222 26 cinders cinder NNS 28553 222 27 , , , 28553 222 28 plucked pluck VBN 28553 222 29 from from IN 28553 222 30 the the DT 28553 222 31 fire fire NN 28553 222 32 - - HYPH 28553 222 33 box box NN 28553 222 34 , , , 28553 222 35 and and CC 28553 222 36 dragged drag VBD 28553 222 37 through through IN 28553 222 38 the the DT 28553 222 39 tubes tube NNS 28553 222 40 , , , 28553 222 41 are be VBP 28553 222 42 hurled hurl VBN 28553 222 43 far far RB 28553 222 44 into into IN 28553 222 45 the the DT 28553 222 46 air air NN 28553 222 47 . . . 28553 223 1 It -PRON- PRP 28553 223 2 might may MD 28553 223 3 be be VB 28553 223 4 mentioned mention VBN 28553 223 5 in in IN 28553 223 6 parenthesis parenthesis NN 28553 223 7 that that IN 28553 223 8 the the DT 28553 223 9 so so RB 28553 223 10 - - HYPH 28553 223 11 called call VBN 28553 223 12 " " `` 28553 223 13 smoke smoke NN 28553 223 14 " " '' 28553 223 15 which which WDT 28553 223 16 pours pour VBZ 28553 223 17 from from IN 28553 223 18 the the DT 28553 223 19 funnel funnel NN 28553 223 20 of of IN 28553 223 21 a a DT 28553 223 22 moving move VBG 28553 223 23 engine engine NN 28553 223 24 is be VBZ 28553 223 25 mainly mainly RB 28553 223 26 condensing condense VBG 28553 223 27 steam steam NN 28553 223 28 . . . 28553 224 1 A a DT 28553 224 2 steamship steamship NN 28553 224 3 , , , 28553 224 4 on on IN 28553 224 5 the the DT 28553 224 6 other other JJ 28553 224 7 hand hand NN 28553 224 8 , , , 28553 224 9 belches belch VBZ 28553 224 10 smoke smoke VBP 28553 224 11 only only RB 28553 224 12 from from IN 28553 224 13 its -PRON- PRP$ 28553 224 14 funnels funnel NNS 28553 224 15 , , , 28553 224 16 as as IN 28553 224 17 fresh fresh JJ 28553 224 18 water water NN 28553 224 19 is be VBZ 28553 224 20 far far RB 28553 224 21 too too RB 28553 224 22 precious precious JJ 28553 224 23 to to TO 28553 224 24 waste waste VB 28553 224 25 as as IN 28553 224 26 steam steam NN 28553 224 27 . . . 28553 225 1 We -PRON- PRP 28553 225 2 shall shall MD 28553 225 3 refer refer VB 28553 225 4 to to IN 28553 225 5 this this DT 28553 225 6 later later RB 28553 225 7 on on RB 28553 225 8 ( ( -LRB- 28553 225 9 p. p. NN 28553 225 10 72 72 CD 28553 225 11 ) ) -RRB- 28553 225 12 . . . 28553 226 1 BOILER BOILER NNS 28553 226 2 FITTINGS fitting NNS 28553 226 3 . . . 28553 227 1 The the DT 28553 227 2 most most RBS 28553 227 3 important important JJ 28553 227 4 fittings fitting NNS 28553 227 5 on on IN 28553 227 6 a a DT 28553 227 7 boiler boiler NN 28553 227 8 are:--(1 are:--(1 NN 28553 227 9 ) ) -RRB- 28553 227 10 the the DT 28553 227 11 safety safety NN 28553 227 12 - - HYPH 28553 227 13 valve valve NN 28553 227 14 ; ; : 28553 227 15 ( ( -LRB- 28553 227 16 2 2 LS 28553 227 17 ) ) -RRB- 28553 227 18 the the DT 28553 227 19 water water NN 28553 227 20 - - HYPH 28553 227 21 gauge gauge NN 28553 227 22 ; ; : 28553 227 23 ( ( -LRB- 28553 227 24 3 3 LS 28553 227 25 ) ) -RRB- 28553 227 26 the the DT 28553 227 27 steam steam NN 28553 227 28 - - HYPH 28553 227 29 gauge gauge NN 28553 227 30 ; ; : 28553 227 31 ( ( -LRB- 28553 227 32 4 4 LS 28553 227 33 ) ) -RRB- 28553 227 34 the the DT 28553 227 35 mechanisms mechanism NNS 28553 227 36 for for IN 28553 227 37 feeding feed VBG 28553 227 38 it -PRON- PRP 28553 227 39 with with IN 28553 227 40 water water NN 28553 227 41 . . . 28553 228 1 THE the DT 28553 228 2 SAFETY SAFETY NNP 28553 228 3 - - HYPH 28553 228 4 VALVE VALVE NNP 28553 228 5 . . . 28553 229 1 Professor Professor NNP 28553 229 2 Thurston Thurston NNP 28553 229 3 , , , 28553 229 4 an an DT 28553 229 5 eminent eminent JJ 28553 229 6 authority authority NN 28553 229 7 on on IN 28553 229 8 the the DT 28553 229 9 steam steam NN 28553 229 10 - - HYPH 28553 229 11 engine engine NN 28553 229 12 , , , 28553 229 13 has have VBZ 28553 229 14 estimated estimate VBN 28553 229 15 that that IN 28553 229 16 a a DT 28553 229 17 plain plain JJ 28553 229 18 cylindrical cylindrical JJ 28553 229 19 boiler boiler NN 28553 229 20 carrying carry VBG 28553 229 21 100 100 CD 28553 229 22 lbs lb NNS 28553 229 23 . . . 28553 230 1 pressure pressure NN 28553 230 2 to to IN 28553 230 3 the the DT 28553 230 4 square square JJ 28553 230 5 inch inch NN 28553 230 6 contains contain VBZ 28553 230 7 sufficient sufficient JJ 28553 230 8 stored store VBN 28553 230 9 energy energy NN 28553 230 10 to to TO 28553 230 11 project project VB 28553 230 12 it -PRON- PRP 28553 230 13 into into IN 28553 230 14 the the DT 28553 230 15 air air NN 28553 230 16 a a DT 28553 230 17 vertical vertical JJ 28553 230 18 distance distance NN 28553 230 19 of of IN 28553 230 20 3 3 CD 28553 230 21 - - SYM 28553 230 22 1/2 1/2 CD 28553 230 23 miles mile NNS 28553 230 24 . . . 28553 231 1 In in IN 28553 231 2 the the DT 28553 231 3 case case NN 28553 231 4 of of IN 28553 231 5 a a DT 28553 231 6 Lancashire Lancashire NNP 28553 231 7 boiler boiler NN 28553 231 8 at at IN 28553 231 9 equal equal JJ 28553 231 10 pressure pressure NN 28553 231 11 the the DT 28553 231 12 distance distance NN 28553 231 13 would would MD 28553 231 14 be be VB 28553 231 15 2 2 CD 28553 231 16 - - SYM 28553 231 17 1/2 1/2 CD 28553 231 18 miles mile NNS 28553 231 19 ; ; : 28553 231 20 of of IN 28553 231 21 a a DT 28553 231 22 locomotive locomotive JJ 28553 231 23 boiler boiler NN 28553 231 24 , , , 28553 231 25 at at IN 28553 231 26 125 125 CD 28553 231 27 lbs lb NNS 28553 231 28 . . . 28553 231 29 , , , 28553 231 30 1 1 CD 28553 231 31 - - SYM 28553 231 32 1/2 1/2 CD 28553 231 33 miles mile NNS 28553 231 34 ; ; : 28553 231 35 of of IN 28553 231 36 a a DT 28553 231 37 steam steam NN 28553 231 38 tubular tubular JJ 28553 231 39 boiler boiler NN 28553 231 40 , , , 28553 231 41 at at IN 28553 231 42 75 75 CD 28553 231 43 lbs lbs NN 28553 231 44 . . . 28553 231 45 , , , 28553 231 46 1 1 CD 28553 231 47 mile mile NN 28553 231 48 . . . 28553 232 1 According accord VBG 28553 232 2 to to IN 28553 232 3 the the DT 28553 232 4 same same JJ 28553 232 5 writer writer NN 28553 232 6 , , , 28553 232 7 a a DT 28553 232 8 cubic cubic JJ 28553 232 9 foot foot NN 28553 232 10 of of IN 28553 232 11 heated heated JJ 28553 232 12 water water NN 28553 232 13 under under IN 28553 232 14 a a DT 28553 232 15 pressure pressure NN 28553 232 16 of of IN 28553 232 17 from from IN 28553 232 18 60 60 CD 28553 232 19 to to TO 28553 232 20 70 70 CD 28553 232 21 lbs lb NNS 28553 232 22 . . . 28553 233 1 per per IN 28553 233 2 square square JJ 28553 233 3 inch inch NN 28553 233 4 has have VBZ 28553 233 5 _ _ NNP 28553 233 6 about about IN 28553 233 7 the the DT 28553 233 8 same same JJ 28553 233 9 energy energy NN 28553 233 10 as as IN 28553 233 11 one one CD 28553 233 12 pound pound NN 28553 233 13 of of IN 28553 233 14 gunpowder gunpowder NN 28553 233 15 _ _ NNP 28553 233 16 . . . 28553 234 1 Steam steam NN 28553 234 2 is be VBZ 28553 234 3 a a DT 28553 234 4 good good JJ 28553 234 5 servant servant NN 28553 234 6 , , , 28553 234 7 but but CC 28553 234 8 a a DT 28553 234 9 terrible terrible JJ 28553 234 10 master master NN 28553 234 11 . . . 28553 235 1 It -PRON- PRP 28553 235 2 must must MD 28553 235 3 be be VB 28553 235 4 kept keep VBN 28553 235 5 under under IN 28553 235 6 strict strict JJ 28553 235 7 control control NN 28553 235 8 . . . 28553 236 1 However however RB 28553 236 2 strong strong JJ 28553 236 3 a a DT 28553 236 4 boiler boiler NN 28553 236 5 may may MD 28553 236 6 be be VB 28553 236 7 , , , 28553 236 8 it -PRON- PRP 28553 236 9 will will MD 28553 236 10 burst burst VB 28553 236 11 if if IN 28553 236 12 the the DT 28553 236 13 steam steam NN 28553 236 14 pressure pressure NN 28553 236 15 in in IN 28553 236 16 it -PRON- PRP 28553 236 17 be be VB 28553 236 18 raised raise VBN 28553 236 19 to to IN 28553 236 20 a a DT 28553 236 21 certain certain JJ 28553 236 22 point point NN 28553 236 23 ; ; : 28553 236 24 and and CC 28553 236 25 some some DT 28553 236 26 device device NN 28553 236 27 must must MD 28553 236 28 therefore therefore RB 28553 236 29 be be VB 28553 236 30 fitted fit VBN 28553 236 31 on on IN 28553 236 32 it -PRON- PRP 28553 236 33 which which WDT 28553 236 34 will will MD 28553 236 35 give give VB 28553 236 36 the the DT 28553 236 37 steam steam NN 28553 236 38 free free JJ 28553 236 39 egress egress NN 28553 236 40 before before IN 28553 236 41 that that DT 28553 236 42 point point NN 28553 236 43 is be VBZ 28553 236 44 reached reach VBN 28553 236 45 . . . 28553 237 1 A a DT 28553 237 2 device device NN 28553 237 3 of of IN 28553 237 4 this this DT 28553 237 5 kind kind NN 28553 237 6 is be VBZ 28553 237 7 called call VBN 28553 237 8 a a DT 28553 237 9 _ _ NNP 28553 237 10 safety safety NN 28553 237 11 - - HYPH 28553 237 12 valve valve NN 28553 237 13 _ _ NNP 28553 237 14 . . . 28553 238 1 It -PRON- PRP 28553 238 2 usually usually RB 28553 238 3 blows blow VBZ 28553 238 4 off off RP 28553 238 5 at at IN 28553 238 6 less less JJR 28553 238 7 than than IN 28553 238 8 half half PDT 28553 238 9 the the DT 28553 238 10 greatest great JJS 28553 238 11 pressure pressure NN 28553 238 12 that that WDT 28553 238 13 the the DT 28553 238 14 boiler boiler NN 28553 238 15 has have VBZ 28553 238 16 been be VBN 28553 238 17 proved prove VBN 28553 238 18 by by IN 28553 238 19 experiment experiment NN 28553 238 20 to to TO 28553 238 21 be be VB 28553 238 22 capable capable JJ 28553 238 23 of of IN 28553 238 24 withstanding withstand VBG 28553 238 25 . . . 28553 239 1 In in IN 28553 239 2 principle principle NN 28553 239 3 the the DT 28553 239 4 safety safety NN 28553 239 5 - - HYPH 28553 239 6 valve valve NN 28553 239 7 denotes denote VBZ 28553 239 8 an an DT 28553 239 9 orifice orifice NN 28553 239 10 closed close VBN 28553 239 11 by by IN 28553 239 12 an an DT 28553 239 13 accurately accurately RB 28553 239 14 - - HYPH 28553 239 15 fitting fit VBG 28553 239 16 plug plug NN 28553 239 17 , , , 28553 239 18 which which WDT 28553 239 19 is be VBZ 28553 239 20 pressed press VBN 28553 239 21 against against IN 28553 239 22 its -PRON- PRP$ 28553 239 23 seat seat NN 28553 239 24 on on IN 28553 239 25 the the DT 28553 239 26 boiler boiler NN 28553 239 27 top top NN 28553 239 28 by by IN 28553 239 29 a a DT 28553 239 30 weighted weighted JJ 28553 239 31 lever lever NN 28553 239 32 , , , 28553 239 33 or or CC 28553 239 34 by by IN 28553 239 35 a a DT 28553 239 36 spring spring NN 28553 239 37 . . . 28553 240 1 As as RB 28553 240 2 soon soon RB 28553 240 3 as as IN 28553 240 4 the the DT 28553 240 5 steam steam NN 28553 240 6 pressure pressure NN 28553 240 7 on on IN 28553 240 8 the the DT 28553 240 9 face face NN 28553 240 10 of of IN 28553 240 11 the the DT 28553 240 12 plug plug NN 28553 240 13 exceeds exceed VBZ 28553 240 14 the the DT 28553 240 15 counteracting counteract VBG 28553 240 16 force force NN 28553 240 17 of of IN 28553 240 18 the the DT 28553 240 19 weight weight NN 28553 240 20 or or CC 28553 240 21 spring spring NN 28553 240 22 , , , 28553 240 23 the the DT 28553 240 24 plug plug NN 28553 240 25 rises rise VBZ 28553 240 26 , , , 28553 240 27 and and CC 28553 240 28 steam steam NN 28553 240 29 escapes escape NNS 28553 240 30 until until IN 28553 240 31 equilibrium equilibrium NN 28553 240 32 of of IN 28553 240 33 the the DT 28553 240 34 opposing oppose VBG 28553 240 35 forces force NNS 28553 240 36 is be VBZ 28553 240 37 restored restore VBN 28553 240 38 . . . 28553 241 1 On on IN 28553 241 2 stationary stationary JJ 28553 241 3 engines engine NNS 28553 241 4 a a DT 28553 241 5 lever lever NNP 28553 241 6 safety safety NN 28553 241 7 - - HYPH 28553 241 8 valve valve NN 28553 241 9 is be VBZ 28553 241 10 commonly commonly RB 28553 241 11 employed employ VBN 28553 241 12 ( ( -LRB- 28553 241 13 Fig fig NN 28553 241 14 . . . 28553 242 1 11 11 CD 28553 242 2 ) ) -RRB- 28553 242 3 . . . 28553 243 1 The the DT 28553 243 2 blowing blow VBG 28553 243 3 - - HYPH 28553 243 4 off off RP 28553 243 5 point point NN 28553 243 6 can can MD 28553 243 7 be be VB 28553 243 8 varied vary VBN 28553 243 9 by by IN 28553 243 10 shifting shift VBG 28553 243 11 the the DT 28553 243 12 weight weight NN 28553 243 13 along along IN 28553 243 14 the the DT 28553 243 15 arm arm NN 28553 243 16 so so IN 28553 243 17 as as IN 28553 243 18 to to TO 28553 243 19 give give VB 28553 243 20 it -PRON- PRP 28553 243 21 a a DT 28553 243 22 greater great JJR 28553 243 23 or or CC 28553 243 24 less less JJR 28553 243 25 leverage leverage NN 28553 243 26 . . . 28553 244 1 On on IN 28553 244 2 locomotive locomotive JJ 28553 244 3 and and CC 28553 244 4 marine marine JJ 28553 244 5 boilers boiler NNS 28553 244 6 , , , 28553 244 7 where where WRB 28553 244 8 shocks shock NNS 28553 244 9 and and CC 28553 244 10 movements movement NNS 28553 244 11 have have VBP 28553 244 12 to to TO 28553 244 13 be be VB 28553 244 14 reckoned reckon VBN 28553 244 15 with with IN 28553 244 16 , , , 28553 244 17 weights weight NNS 28553 244 18 are be VBP 28553 244 19 replaced replace VBN 28553 244 20 by by IN 28553 244 21 springs spring NNS 28553 244 22 , , , 28553 244 23 set set VBN 28553 244 24 to to IN 28553 244 25 a a DT 28553 244 26 certain certain JJ 28553 244 27 tension tension NN 28553 244 28 , , , 28553 244 29 and and CC 28553 244 30 locked lock VBD 28553 244 31 up up RP 28553 244 32 so so IN 28553 244 33 that that IN 28553 244 34 they -PRON- PRP 28553 244 35 can can MD 28553 244 36 not not RB 28553 244 37 be be VB 28553 244 38 tampered tamper VBN 28553 244 39 with with IN 28553 244 40 . . . 28553 245 1 [ [ -LRB- 28553 245 2 Illustration illustration NN 28553 245 3 : : : 28553 245 4 FIG FIG NNP 28553 245 5 . . . 28553 246 1 11.--A 11.--A NNP 28553 246 2 LEVER LEVER NNP 28553 246 3 SAFETY SAFETY NNP 28553 246 4 - - HYPH 28553 246 5 VALVE VALVE NNP 28553 246 6 . . . 28553 247 1 V v NN 28553 247 2 , , , 28553 247 3 valve valve NN 28553 247 4 ; ; : 28553 247 5 S S NNP 28553 247 6 , , , 28553 247 7 seating seat VBG 28553 247 8 ; ; : 28553 247 9 P p NN 28553 247 10 , , , 28553 247 11 pin pin NN 28553 247 12 ; ; : 28553 247 13 L l NN 28553 247 14 , , , 28553 247 15 lever lever NN 28553 247 16 ; ; : 28553 247 17 F f NN 28553 247 18 , , , 28553 247 19 fulcrum fulcrum NN 28553 247 20 ; ; : 28553 247 21 W w NN 28553 247 22 , , , 28553 247 23 weight weight NN 28553 247 24 . . . 28553 248 1 The the DT 28553 248 2 figures figure NNS 28553 248 3 indicate indicate VBP 28553 248 4 the the DT 28553 248 5 positions position NNS 28553 248 6 at at IN 28553 248 7 which which WDT 28553 248 8 the the DT 28553 248 9 weight weight NN 28553 248 10 should should MD 28553 248 11 be be VB 28553 248 12 placed place VBN 28553 248 13 for for IN 28553 248 14 the the DT 28553 248 15 valve valve NN 28553 248 16 to to TO 28553 248 17 act act VB 28553 248 18 when when WRB 28553 248 19 the the DT 28553 248 20 pressure pressure NN 28553 248 21 rises rise VBZ 28553 248 22 to to IN 28553 248 23 that that DT 28553 248 24 number number NN 28553 248 25 of of IN 28553 248 26 pounds pound NNS 28553 248 27 per per IN 28553 248 28 square square JJ 28553 248 29 inch inch NN 28553 248 30 . . . 28553 248 31 ] ] -RRB- 28553 249 1 Boilers boiler NNS 28553 249 2 are be VBP 28553 249 3 tested test VBN 28553 249 4 by by IN 28553 249 5 filling fill VBG 28553 249 6 the the DT 28553 249 7 boilers boiler NNS 28553 249 8 quite quite RB 28553 249 9 full full JJ 28553 249 10 and and CC 28553 249 11 ( ( -LRB- 28553 249 12 1 1 LS 28553 249 13 ) ) -RRB- 28553 249 14 by by IN 28553 249 15 heating heat VBG 28553 249 16 the the DT 28553 249 17 water water NN 28553 249 18 , , , 28553 249 19 which which WDT 28553 249 20 expands expand VBZ 28553 249 21 slightly slightly RB 28553 249 22 , , , 28553 249 23 but but CC 28553 249 24 with with IN 28553 249 25 great great JJ 28553 249 26 pressure pressure NN 28553 249 27 ; ; : 28553 249 28 ( ( -LRB- 28553 249 29 2 2 LS 28553 249 30 ) ) -RRB- 28553 249 31 by by IN 28553 249 32 forcing force VBG 28553 249 33 in in IN 28553 249 34 additional additional JJ 28553 249 35 water water NN 28553 249 36 with with IN 28553 249 37 a a DT 28553 249 38 powerful powerful JJ 28553 249 39 pump pump NN 28553 249 40 . . . 28553 250 1 In in IN 28553 250 2 either either DT 28553 250 3 case case NN 28553 250 4 a a DT 28553 250 5 rupture rupture NN 28553 250 6 would would MD 28553 250 7 not not RB 28553 250 8 be be VB 28553 250 9 attended attend VBN 28553 250 10 by by IN 28553 250 11 an an DT 28553 250 12 explosion explosion NN 28553 250 13 , , , 28553 250 14 as as IN 28553 250 15 water water NN 28553 250 16 is be VBZ 28553 250 17 very very RB 28553 250 18 inelastic inelastic JJ 28553 250 19 . . . 28553 251 1 The the DT 28553 251 2 days day NNS 28553 251 3 when when WRB 28553 251 4 an an DT 28553 251 5 engineer engineer NN 28553 251 6 could could MD 28553 251 7 " " `` 28553 251 8 sit sit VB 28553 251 9 on on IN 28553 251 10 the the DT 28553 251 11 valves"--that valves"--that NN 28553 251 12 is is RB 28553 251 13 , , , 28553 251 14 screw screw VBD 28553 251 15 them -PRON- PRP 28553 251 16 down down RP 28553 251 17 -- -- : 28553 251 18 to to TO 28553 251 19 obtain obtain VB 28553 251 20 greater great JJR 28553 251 21 pressure pressure NN 28553 251 22 , , , 28553 251 23 are be VBP 28553 251 24 now now RB 28553 251 25 past past JJ 28553 251 26 , , , 28553 251 27 and and CC 28553 251 28 with with IN 28553 251 29 them -PRON- PRP 28553 251 30 a a DT 28553 251 31 considerable considerable JJ 28553 251 32 proportion proportion NN 28553 251 33 of of IN 28553 251 34 the the DT 28553 251 35 dangers danger NNS 28553 251 36 of of IN 28553 251 37 high high JJ 28553 251 38 - - HYPH 28553 251 39 pressure pressure NN 28553 251 40 steam steam NN 28553 251 41 . . . 28553 252 1 The the DT 28553 252 2 Factory Factory NNP 28553 252 3 Act Act NNP 28553 252 4 of of IN 28553 252 5 1895 1895 CD 28553 252 6 , , , 28553 252 7 in in IN 28553 252 8 force force NN 28553 252 9 throughout throughout IN 28553 252 10 the the DT 28553 252 11 British British NNP 28553 252 12 Isles Isles NNPS 28553 252 13 , , , 28553 252 14 provides provide VBZ 28553 252 15 that that IN 28553 252 16 every every DT 28553 252 17 boiler boiler NN 28553 252 18 for for IN 28553 252 19 generating generate VBG 28553 252 20 steam steam NN 28553 252 21 in in IN 28553 252 22 a a DT 28553 252 23 factory factory NN 28553 252 24 or or CC 28553 252 25 workshop workshop NN 28553 252 26 where where WRB 28553 252 27 the the DT 28553 252 28 Act Act NNP 28553 252 29 applies apply VBZ 28553 252 30 must must MD 28553 252 31 have have VB 28553 252 32 a a DT 28553 252 33 proper proper JJ 28553 252 34 safety safety NN 28553 252 35 - - HYPH 28553 252 36 valve valve NN 28553 252 37 , , , 28553 252 38 steam steam NN 28553 252 39 - - HYPH 28553 252 40 gauge gauge NN 28553 252 41 , , , 28553 252 42 and and CC 28553 252 43 water water NN 28553 252 44 - - HYPH 28553 252 45 gauge gauge NN 28553 252 46 ; ; : 28553 252 47 and and CC 28553 252 48 that that IN 28553 252 49 boilers boiler NNS 28553 252 50 and and CC 28553 252 51 fittings fitting NNS 28553 252 52 must must MD 28553 252 53 be be VB 28553 252 54 examined examine VBN 28553 252 55 by by IN 28553 252 56 a a DT 28553 252 57 competent competent JJ 28553 252 58 person person NN 28553 252 59 at at IN 28553 252 60 least least JJS 28553 252 61 once once RB 28553 252 62 in in IN 28553 252 63 every every DT 28553 252 64 fourteen fourteen CD 28553 252 65 months month NNS 28553 252 66 . . . 28553 253 1 Neglect neglect NN 28553 253 2 of of IN 28553 253 3 these these DT 28553 253 4 provisions provision NNS 28553 253 5 renders render VBZ 28553 253 6 the the DT 28553 253 7 owner owner NN 28553 253 8 of of IN 28553 253 9 a a DT 28553 253 10 boiler boiler NN 28553 253 11 liable liable JJ 28553 253 12 to to IN 28553 253 13 heavy heavy JJ 28553 253 14 penalties penalty NNS 28553 253 15 if if IN 28553 253 16 an an DT 28553 253 17 explosion explosion NN 28553 253 18 occurs occur VBZ 28553 253 19 . . . 28553 254 1 One one CD 28553 254 2 of of IN 28553 254 3 the the DT 28553 254 4 most most RBS 28553 254 5 disastrous disastrous JJ 28553 254 6 explosions explosion NNS 28553 254 7 on on IN 28553 254 8 record record NN 28553 254 9 took take VBD 28553 254 10 place place NN 28553 254 11 at at IN 28553 254 12 the the DT 28553 254 13 Redcar Redcar NNP 28553 254 14 Iron Iron NNP 28553 254 15 Works Works NNP 28553 254 16 , , , 28553 254 17 Yorkshire Yorkshire NNP 28553 254 18 , , , 28553 254 19 in in IN 28553 254 20 June June NNP 28553 254 21 1895 1895 CD 28553 254 22 . . . 28553 255 1 In in IN 28553 255 2 this this DT 28553 255 3 case case NN 28553 255 4 , , , 28553 255 5 twelve twelve CD 28553 255 6 out out IN 28553 255 7 of of IN 28553 255 8 fifteen fifteen CD 28553 255 9 boilers boiler NNS 28553 255 10 ranged range VBD 28553 255 11 side side NN 28553 255 12 by by IN 28553 255 13 side side NN 28553 255 14 burst burst NN 28553 255 15 , , , 28553 255 16 through through IN 28553 255 17 one one CD 28553 255 18 proving prove VBG 28553 255 19 too too RB 28553 255 20 weak weak JJ 28553 255 21 for for IN 28553 255 22 its -PRON- PRP$ 28553 255 23 work work NN 28553 255 24 . . . 28553 256 1 The the DT 28553 256 2 flying fly VBG 28553 256 3 fragments fragment NNS 28553 256 4 of of IN 28553 256 5 this this DT 28553 256 6 boiler boiler NN 28553 256 7 , , , 28553 256 8 striking strike VBG 28553 256 9 the the DT 28553 256 10 sides side NNS 28553 256 11 of of IN 28553 256 12 other other JJ 28553 256 13 boilers boiler NNS 28553 256 14 , , , 28553 256 15 exploded explode VBD 28553 256 16 them -PRON- PRP 28553 256 17 , , , 28553 256 18 and and CC 28553 256 19 so so RB 28553 256 20 the the DT 28553 256 21 damage damage NN 28553 256 22 was be VBD 28553 256 23 transmitted transmit VBN 28553 256 24 down down RP 28553 256 25 the the DT 28553 256 26 line line NN 28553 256 27 . . . 28553 257 1 Twenty twenty CD 28553 257 2 men man NNS 28553 257 3 were be VBD 28553 257 4 killed kill VBN 28553 257 5 and and CC 28553 257 6 injured injure VBN 28553 257 7 ; ; : 28553 257 8 while while IN 28553 257 9 masses masse NNS 28553 257 10 of of IN 28553 257 11 metal metal NN 28553 257 12 , , , 28553 257 13 weighing weigh VBG 28553 257 14 several several JJ 28553 257 15 tons ton NNS 28553 257 16 each each DT 28553 257 17 , , , 28553 257 18 were be VBD 28553 257 19 hurled hurl VBN 28553 257 20 250 250 CD 28553 257 21 yards yard NNS 28553 257 22 , , , 28553 257 23 and and CC 28553 257 24 caused cause VBD 28553 257 25 widespread widespread JJ 28553 257 26 damage damage NN 28553 257 27 . . . 28553 258 1 The the DT 28553 258 2 following follow VBG 28553 258 3 is be VBZ 28553 258 4 taken take VBN 28553 258 5 from from IN 28553 258 6 a a DT 28553 258 7 journal journal NN 28553 258 8 , , , 28553 258 9 dated date VBN 28553 258 10 December December NNP 28553 258 11 22 22 CD 28553 258 12 , , , 28553 258 13 1895 1895 CD 28553 258 14 : : : 28553 258 15 " " `` 28553 258 16 _ _ NNP 28553 258 17 Providence Providence NNP 28553 258 18 _ _ NNP 28553 258 19 ( ( -LRB- 28553 258 20 _ _ NNP 28553 258 21 Rhode Rhode NNP 28553 258 22 Island_).--A Island_).--A NNP 28553 258 23 recent recent JJ 28553 258 24 prophecy prophecy NN 28553 258 25 that that WDT 28553 258 26 a a DT 28553 258 27 boiler boiler NN 28553 258 28 would would MD 28553 258 29 explode explode VB 28553 258 30 between between IN 28553 258 31 December December NNP 28553 258 32 16 16 CD 28553 258 33 and and CC 28553 258 34 24 24 CD 28553 258 35 in in IN 28553 258 36 a a DT 28553 258 37 store store NN 28553 258 38 has have VBZ 28553 258 39 seriously seriously RB 28553 258 40 affected affect VBN 28553 258 41 the the DT 28553 258 42 Christmas Christmas NNP 28553 258 43 trade trade NN 28553 258 44 . . . 28553 259 1 Shoppers shopper NNS 28553 259 2 are be VBP 28553 259 3 incredibly incredibly RB 28553 259 4 nervous nervous JJ 28553 259 5 . . . 28553 260 1 One one CD 28553 260 2 store store NN 28553 260 3 advertises advertise VBZ 28553 260 4 , , , 28553 260 5 ' ' '' 28553 260 6 No no DT 28553 260 7 boilers boiler NNS 28553 260 8 are be VBP 28553 260 9 being be VBG 28553 260 10 used use VBN 28553 260 11 ; ; : 28553 260 12 lifts lift NNS 28553 260 13 running run VBG 28553 260 14 electrically electrically RB 28553 260 15 . . . 28553 260 16 ' ' '' 28553 261 1 All all DT 28553 261 2 stores store NNS 28553 261 3 have have VBP 28553 261 4 had have VBN 28553 261 5 their -PRON- PRP$ 28553 261 6 boilers boiler NNS 28553 261 7 inspected inspect VBN 28553 261 8 . . . 28553 261 9 " " '' 28553 262 1 THE the DT 28553 262 2 WATER WATER NNP 28553 262 3 - - HYPH 28553 262 4 GAUGE GAUGE NNP 28553 262 5 . . . 28553 263 1 No no DT 28553 263 2 fitting fitting NN 28553 263 3 of of IN 28553 263 4 a a DT 28553 263 5 boiler boiler NN 28553 263 6 is be VBZ 28553 263 7 more more RBR 28553 263 8 important important JJ 28553 263 9 than than IN 28553 263 10 the the DT 28553 263 11 _ _ NNP 28553 263 12 water water NN 28553 263 13 - - HYPH 28553 263 14 gauge gauge NN 28553 263 15 _ _ NNP 28553 263 16 , , , 28553 263 17 which which WDT 28553 263 18 shows show VBZ 28553 263 19 the the DT 28553 263 20 level level NN 28553 263 21 at at IN 28553 263 22 which which WDT 28553 263 23 the the DT 28553 263 24 water water NN 28553 263 25 stands stand VBZ 28553 263 26 . . . 28553 264 1 The the DT 28553 264 2 engineer engineer NN 28553 264 3 must must MD 28553 264 4 continually continually RB 28553 264 5 consult consult VB 28553 264 6 his -PRON- PRP$ 28553 264 7 gauge gauge NN 28553 264 8 , , , 28553 264 9 for for IN 28553 264 10 if if IN 28553 264 11 the the DT 28553 264 12 water water NN 28553 264 13 gets get VBZ 28553 264 14 too too RB 28553 264 15 low low JJ 28553 264 16 , , , 28553 264 17 pipes pipe NNS 28553 264 18 and and CC 28553 264 19 other other JJ 28553 264 20 surfaces surface NNS 28553 264 21 exposed expose VBN 28553 264 22 to to IN 28553 264 23 the the DT 28553 264 24 furnace furnace NN 28553 264 25 flames flame NNS 28553 264 26 may may MD 28553 264 27 burn burn VB 28553 264 28 through through RP 28553 264 29 , , , 28553 264 30 with with IN 28553 264 31 disastrous disastrous JJ 28553 264 32 results result NNS 28553 264 33 ; ; : 28553 264 34 while while IN 28553 264 35 , , , 28553 264 36 on on IN 28553 264 37 the the DT 28553 264 38 other other JJ 28553 264 39 hand hand NN 28553 264 40 , , , 28553 264 41 too too RB 28553 264 42 much much JJ 28553 264 43 water water NN 28553 264 44 will will MD 28553 264 45 cause cause VB 28553 264 46 bad bad JJ 28553 264 47 steaming steaming NN 28553 264 48 . . . 28553 265 1 A a DT 28553 265 2 section section NN 28553 265 3 of of IN 28553 265 4 an an DT 28553 265 5 ordinary ordinary JJ 28553 265 6 gauge gauge NN 28553 265 7 is be VBZ 28553 265 8 seen see VBN 28553 265 9 in in IN 28553 265 10 Fig Fig NNP 28553 265 11 . . . 28553 266 1 12 12 CD 28553 266 2 . . . 28553 267 1 It -PRON- PRP 28553 267 2 consists consist VBZ 28553 267 3 of of IN 28553 267 4 two two CD 28553 267 5 parts part NNS 28553 267 6 , , , 28553 267 7 each each DT 28553 267 8 furnished furnish VBN 28553 267 9 with with IN 28553 267 10 a a DT 28553 267 11 gland gland NN 28553 267 12 , , , 28553 267 13 G g NN 28553 267 14 , , , 28553 267 15 to to TO 28553 267 16 make make VB 28553 267 17 a a DT 28553 267 18 steam steam NN 28553 267 19 - - HYPH 28553 267 20 tight tight JJ 28553 267 21 joint joint NN 28553 267 22 round round IN 28553 267 23 the the DT 28553 267 24 glass glass NN 28553 267 25 tube tube NN 28553 267 26 , , , 28553 267 27 which which WDT 28553 267 28 is be VBZ 28553 267 29 inserted insert VBN 28553 267 30 through through IN 28553 267 31 the the DT 28553 267 32 hole hole NN 28553 267 33 covered cover VBN 28553 267 34 by by IN 28553 267 35 the the DT 28553 267 36 plug plug NN 28553 267 37 P^1 P^1 NNP 28553 267 38 . . . 28553 268 1 The the DT 28553 268 2 cocks cock NNS 28553 268 3 T^1 T^1 NNP 28553 268 4 T^2 T^2 NNP 28553 268 5 are be VBP 28553 268 6 normally normally RB 28553 268 7 open open JJ 28553 268 8 , , , 28553 268 9 allowing allow VBG 28553 268 10 the the DT 28553 268 11 ingress ingress NN 28553 268 12 of of IN 28553 268 13 steam steam NN 28553 268 14 and and CC 28553 268 15 water water NN 28553 268 16 respectively respectively RB 28553 268 17 to to IN 28553 268 18 the the DT 28553 268 19 tube tube NN 28553 268 20 . . . 28553 269 1 Cock Cock NNP 28553 269 2 T^3 T^3 NNP 28553 269 3 is be VBZ 28553 269 4 kept keep VBN 28553 269 5 closed close VBN 28553 269 6 unless unless IN 28553 269 7 for for IN 28553 269 8 any any DT 28553 269 9 reason reason NN 28553 269 10 it -PRON- PRP 28553 269 11 is be VBZ 28553 269 12 necessary necessary JJ 28553 269 13 to to TO 28553 269 14 blow blow VB 28553 269 15 steam steam NN 28553 269 16 or or CC 28553 269 17 water water NN 28553 269 18 through through IN 28553 269 19 the the DT 28553 269 20 gauge gauge NN 28553 269 21 . . . 28553 270 1 The the DT 28553 270 2 holes hole NNS 28553 270 3 C c NN 28553 270 4 C C NNP 28553 270 5 can can MD 28553 270 6 be be VB 28553 270 7 cleaned clean VBN 28553 270 8 out out RP 28553 270 9 if if IN 28553 270 10 the the DT 28553 270 11 plugs plug NNS 28553 270 12 P^2 P^2 NNP 28553 270 13 P^3 P^3 NNP 28553 270 14 are be VBP 28553 270 15 removed remove VBN 28553 270 16 . . . 28553 271 1 Most Most JJS 28553 271 2 gauges gauge NNS 28553 271 3 on on IN 28553 271 4 high high JJ 28553 271 5 - - HYPH 28553 271 6 pressure pressure NN 28553 271 7 boilers boiler NNS 28553 271 8 have have VBP 28553 271 9 a a DT 28553 271 10 thick thick JJ 28553 271 11 glass glass NN 28553 271 12 screen screen NN 28553 271 13 in in IN 28553 271 14 front front NN 28553 271 15 , , , 28553 271 16 so so IN 28553 271 17 that that IN 28553 271 18 in in IN 28553 271 19 the the DT 28553 271 20 event event NN 28553 271 21 of of IN 28553 271 22 the the DT 28553 271 23 tube tube NN 28553 271 24 breaking breaking NN 28553 271 25 , , , 28553 271 26 the the DT 28553 271 27 steam steam NN 28553 271 28 and and CC 28553 271 29 water water NN 28553 271 30 may may MD 28553 271 31 not not RB 28553 271 32 blow blow VB 28553 271 33 directly directly RB 28553 271 34 on on IN 28553 271 35 to to IN 28553 271 36 the the DT 28553 271 37 attendants attendant NNS 28553 271 38 . . . 28553 272 1 A a DT 28553 272 2 further further JJ 28553 272 3 precaution precaution NN 28553 272 4 is be VBZ 28553 272 5 to to TO 28553 272 6 include include VB 28553 272 7 two two CD 28553 272 8 ball ball NN 28553 272 9 - - HYPH 28553 272 10 valves valve NNS 28553 272 11 near near IN 28553 272 12 the the DT 28553 272 13 ends end NNS 28553 272 14 of of IN 28553 272 15 the the DT 28553 272 16 gauge gauge NN 28553 272 17 - - HYPH 28553 272 18 glass glass NN 28553 272 19 . . . 28553 273 1 Under under IN 28553 273 2 ordinary ordinary JJ 28553 273 3 conditions condition NNS 28553 273 4 the the DT 28553 273 5 balls ball NNS 28553 273 6 lie lie VBP 28553 273 7 in in IN 28553 273 8 depressions depression NNS 28553 273 9 clear clear JJ 28553 273 10 of of IN 28553 273 11 the the DT 28553 273 12 ways way NNS 28553 273 13 ; ; : 28553 273 14 but but CC 28553 273 15 when when WRB 28553 273 16 a a DT 28553 273 17 rush rush NN 28553 273 18 of of IN 28553 273 19 steam steam NN 28553 273 20 or or CC 28553 273 21 water water NN 28553 273 22 occurs occur VBZ 28553 273 23 they -PRON- PRP 28553 273 24 are be VBP 28553 273 25 sucked suck VBN 28553 273 26 into into IN 28553 273 27 their -PRON- PRP$ 28553 273 28 seatings seating NNS 28553 273 29 and and CC 28553 273 30 block block VB 28553 273 31 all all DT 28553 273 32 egress egress NN 28553 273 33 . . . 28553 274 1 [ [ -LRB- 28553 274 2 Illustration illustration NN 28553 274 3 : : : 28553 274 4 FIG FIG NNP 28553 274 5 . . . 28553 275 1 12.--Section 12.--section CD 28553 275 2 of of IN 28553 275 3 a a DT 28553 275 4 water water NN 28553 275 5 - - HYPH 28553 275 6 gauge gauge NN 28553 275 7 . . . 28553 275 8 ] ] -RRB- 28553 276 1 On on IN 28553 276 2 many many JJ 28553 276 3 boilers boiler NNS 28553 276 4 two two CD 28553 276 5 water water NN 28553 276 6 - - HYPH 28553 276 7 gauges gauge NNS 28553 276 8 are be VBP 28553 276 9 fitted fit VBN 28553 276 10 , , , 28553 276 11 since since IN 28553 276 12 any any DT 28553 276 13 gauge gauge NN 28553 276 14 may may MD 28553 276 15 work work VB 28553 276 16 badly badly RB 28553 276 17 at at IN 28553 276 18 times time NNS 28553 276 19 . . . 28553 277 1 The the DT 28553 277 2 glasses glass NNS 28553 277 3 are be VBP 28553 277 4 tested test VBN 28553 277 5 to to IN 28553 277 6 a a DT 28553 277 7 pressure pressure NN 28553 277 8 of of IN 28553 277 9 3,000 3,000 CD 28553 277 10 lbs lbs NN 28553 277 11 . . . 28553 278 1 or or CC 28553 278 2 more more JJR 28553 278 3 to to IN 28553 278 4 the the DT 28553 278 5 square square JJ 28553 278 6 inch inch NN 28553 278 7 before before IN 28553 278 8 use use NN 28553 278 9 . . . 28553 279 1 THE the DT 28553 279 2 STEAM STEAM NNP 28553 279 3 - - HYPH 28553 279 4 GAUGE GAUGE NNP 28553 279 5 . . . 28553 280 1 It -PRON- PRP 28553 280 2 is be VBZ 28553 280 3 of of IN 28553 280 4 the the DT 28553 280 5 utmost utmost JJ 28553 280 6 importance importance NN 28553 280 7 that that IN 28553 280 8 a a DT 28553 280 9 person person NN 28553 280 10 in in IN 28553 280 11 charge charge NN 28553 280 12 of of IN 28553 280 13 a a DT 28553 280 14 boiler boiler NN 28553 280 15 should should MD 28553 280 16 know know VB 28553 280 17 what what WP 28553 280 18 pressure pressure NN 28553 280 19 the the DT 28553 280 20 steam steam NN 28553 280 21 has have VBZ 28553 280 22 reached reach VBN 28553 280 23 . . . 28553 281 1 Every every DT 28553 281 2 boiler boiler NN 28553 281 3 is be VBZ 28553 281 4 therefore therefore RB 28553 281 5 fitted fit VBN 28553 281 6 with with IN 28553 281 7 one one CD 28553 281 8 _ _ NNP 28553 281 9 steam steam NN 28553 281 10 - - HYPH 28553 281 11 gauge gauge NN 28553 281 12 _ _ NNP 28553 281 13 ; ; : 28553 281 14 many many JJ 28553 281 15 with with IN 28553 281 16 two two CD 28553 281 17 , , , 28553 281 18 lest l JJS 28553 281 19 one one PRP 28553 281 20 might may MD 28553 281 21 be be VB 28553 281 22 unreliable unreliable JJ 28553 281 23 . . . 28553 282 1 There there EX 28553 282 2 are be VBP 28553 282 3 two two CD 28553 282 4 principal principal JJ 28553 282 5 types type NNS 28553 282 6 of of IN 28553 282 7 steam steam NN 28553 282 8 - - HYPH 28553 282 9 gauge:--(1 gauge:--(1 NN 28553 282 10 ) ) -RRB- 28553 282 11 The the DT 28553 282 12 Bourdon Bourdon NNP 28553 282 13 ; ; : 28553 282 14 ( ( -LRB- 28553 282 15 2 2 LS 28553 282 16 ) ) -RRB- 28553 282 17 the the DT 28553 282 18 Schäffer Schäffer NNP 28553 282 19 - - HYPH 28553 282 20 Budenberg Budenberg NNP 28553 282 21 . . . 28553 283 1 The the DT 28553 283 2 principle principle NN 28553 283 3 of of IN 28553 283 4 the the DT 28553 283 5 Bourdon Bourdon NNP 28553 283 6 is be VBZ 28553 283 7 illustrated illustrate VBN 28553 283 8 by by IN 28553 283 9 Fig Fig NNP 28553 283 10 . . . 28553 284 1 13 13 CD 28553 284 2 , , , 28553 284 3 in in IN 28553 284 4 which which WDT 28553 284 5 A A NNP 28553 284 6 is be VBZ 28553 284 7 a a DT 28553 284 8 piece piece NN 28553 284 9 of of IN 28553 284 10 rubber rubber NN 28553 284 11 tubing tubing NN 28553 284 12 closed close VBD 28553 284 13 at at IN 28553 284 14 one one CD 28553 284 15 end end NN 28553 284 16 , , , 28553 284 17 and and CC 28553 284 18 at at IN 28553 284 19 the the DT 28553 284 20 other other JJ 28553 284 21 drawn draw VBN 28553 284 22 over over IN 28553 284 23 the the DT 28553 284 24 nozzle nozzle NN 28553 284 25 of of IN 28553 284 26 a a DT 28553 284 27 cycle cycle NN 28553 284 28 tyre tyre NN 28553 284 29 inflator inflator NN 28553 284 30 . . . 28553 285 1 If if IN 28553 285 2 bent bent JJ 28553 285 3 in in IN 28553 285 4 a a DT 28553 285 5 curve curve NN 28553 285 6 , , , 28553 285 7 as as IN 28553 285 8 shown show VBN 28553 285 9 , , , 28553 285 10 the the DT 28553 285 11 section section NN 28553 285 12 of of IN 28553 285 13 the the DT 28553 285 14 tube tube NN 28553 285 15 is be VBZ 28553 285 16 an an DT 28553 285 17 oval oval NN 28553 285 18 . . . 28553 286 1 When when WRB 28553 286 2 air air NN 28553 286 3 is be VBZ 28553 286 4 pumped pump VBN 28553 286 5 in in IN 28553 286 6 , , , 28553 286 7 the the DT 28553 286 8 rubber rubber NN 28553 286 9 walls wall NNS 28553 286 10 endeavour endeavour VBP 28553 286 11 to to TO 28553 286 12 assume assume VB 28553 286 13 a a DT 28553 286 14 circular circular JJ 28553 286 15 section section NN 28553 286 16 , , , 28553 286 17 because because IN 28553 286 18 this this DT 28553 286 19 shape shape NN 28553 286 20 encloses enclose VBZ 28553 286 21 a a DT 28553 286 22 larger large JJR 28553 286 23 area area NN 28553 286 24 than than IN 28553 286 25 an an DT 28553 286 26 oval oval NN 28553 286 27 of of IN 28553 286 28 equal equal JJ 28553 286 29 circumference circumference NN 28553 286 30 , , , 28553 286 31 and and CC 28553 286 32 therefore therefore RB 28553 286 33 makes make VBZ 28553 286 34 room room NN 28553 286 35 for for IN 28553 286 36 a a DT 28553 286 37 larger large JJR 28553 286 38 volume volume NN 28553 286 39 of of IN 28553 286 40 air air NN 28553 286 41 . . . 28553 287 1 In in IN 28553 287 2 doing do VBG 28553 287 3 so so RB 28553 287 4 the the DT 28553 287 5 tube tube NN 28553 287 6 straightens straighten VBZ 28553 287 7 itself -PRON- PRP 28553 287 8 , , , 28553 287 9 and and CC 28553 287 10 assumes assume VBZ 28553 287 11 the the DT 28553 287 12 position position NN 28553 287 13 indicated indicate VBN 28553 287 14 by by IN 28553 287 15 the the DT 28553 287 16 dotted dotted JJ 28553 287 17 lines line NNS 28553 287 18 . . . 28553 288 1 Hang hang VB 28553 288 2 an an DT 28553 288 3 empty empty JJ 28553 288 4 " " `` 28553 288 5 inner inner JJ 28553 288 6 tube tube NN 28553 288 7 " " '' 28553 288 8 of of IN 28553 288 9 a a DT 28553 288 10 pneumatic pneumatic JJ 28553 288 11 tyre tyre NN 28553 288 12 over over IN 28553 288 13 a a DT 28553 288 14 nail nail NN 28553 288 15 and and CC 28553 288 16 inflate inflate VB 28553 288 17 it -PRON- PRP 28553 288 18 , , , 28553 288 19 and and CC 28553 288 20 you -PRON- PRP 28553 288 21 will will MD 28553 288 22 get get VB 28553 288 23 a a DT 28553 288 24 good good JJ 28553 288 25 illustration illustration NN 28553 288 26 of of IN 28553 288 27 the the DT 28553 288 28 principle principle NN 28553 288 29 . . . 28553 289 1 [ [ -LRB- 28553 289 2 Illustration illustration NN 28553 289 3 : : : 28553 289 4 FIG FIG NNP 28553 289 5 . . . 28553 290 1 13.--Showing 13.--showing CD 28553 290 2 the the DT 28553 290 3 principle principle NN 28553 290 4 of of IN 28553 290 5 the the DT 28553 290 6 steam steam NN 28553 290 7 - - HYPH 28553 290 8 gauge gauge NN 28553 290 9 . . . 28553 290 10 ] ] -RRB- 28553 291 1 [ [ -LRB- 28553 291 2 Illustration illustration NN 28553 291 3 : : : 28553 291 4 FIG FIG NNP 28553 291 5 . . . 28553 292 1 14.--Bourdon 14.--bourdon CD 28553 292 2 steam steam NN 28553 292 3 - - HYPH 28553 292 4 gauge gauge NN 28553 292 5 . . . 28553 293 1 Part part NN 28553 293 2 of of IN 28553 293 3 dial dial NN 28553 293 4 removed remove VBN 28553 293 5 to to TO 28553 293 6 show show VB 28553 293 7 mechanism mechanism NN 28553 293 8 . . . 28553 293 9 ] ] -RRB- 28553 294 1 In in IN 28553 294 2 Fig Fig NNP 28553 294 3 . . . 28553 295 1 14 14 CD 28553 295 2 we -PRON- PRP 28553 295 3 have have VBP 28553 295 4 a a DT 28553 295 5 Bourdon Bourdon NNP 28553 295 6 gauge gauge NN 28553 295 7 , , , 28553 295 8 with with IN 28553 295 9 part part NN 28553 295 10 of of IN 28553 295 11 the the DT 28553 295 12 dial dial NN 28553 295 13 face face NN 28553 295 14 broken break VBN 28553 295 15 away away RB 28553 295 16 to to TO 28553 295 17 show show VB 28553 295 18 the the DT 28553 295 19 internal internal JJ 28553 295 20 mechanism mechanism NN 28553 295 21 . . . 28553 296 1 T T NNP 28553 296 2 is be VBZ 28553 296 3 a a DT 28553 296 4 flattened flattened JJ 28553 296 5 metal metal NN 28553 296 6 tube tube NN 28553 296 7 soldered solder VBD 28553 296 8 at at IN 28553 296 9 one one CD 28553 296 10 end end NN 28553 296 11 into into IN 28553 296 12 a a DT 28553 296 13 hollow hollow JJ 28553 296 14 casting casting NN 28553 296 15 , , , 28553 296 16 into into IN 28553 296 17 which which WDT 28553 296 18 screws screw VBZ 28553 296 19 a a DT 28553 296 20 tap tap NN 28553 296 21 connected connect VBN 28553 296 22 with with IN 28553 296 23 the the DT 28553 296 24 boiler boiler NN 28553 296 25 . . . 28553 297 1 The the DT 28553 297 2 other other JJ 28553 297 3 end end NN 28553 297 4 ( ( -LRB- 28553 297 5 closed closed JJ 28553 297 6 ) ) -RRB- 28553 297 7 is be VBZ 28553 297 8 attached attach VBN 28553 297 9 to to IN 28553 297 10 a a DT 28553 297 11 link link NN 28553 297 12 , , , 28553 297 13 L L NNP 28553 297 14 , , , 28553 297 15 which which WDT 28553 297 16 works work VBZ 28553 297 17 an an DT 28553 297 18 arm arm NN 28553 297 19 of of IN 28553 297 20 a a DT 28553 297 21 quadrant quadrant JJ 28553 297 22 rack rack NN 28553 297 23 , , , 28553 297 24 R r NN 28553 297 25 , , , 28553 297 26 engaging engage VBG 28553 297 27 with with IN 28553 297 28 a a DT 28553 297 29 small small JJ 28553 297 30 pinion pinion NN 28553 297 31 , , , 28553 297 32 P p NN 28553 297 33 , , , 28553 297 34 actuating actuate VBG 28553 297 35 the the DT 28553 297 36 pointer pointer NN 28553 297 37 . . . 28553 298 1 As as IN 28553 298 2 the the DT 28553 298 3 steam steam NN 28553 298 4 pressure pressure NN 28553 298 5 rises rise VBZ 28553 298 6 , , , 28553 298 7 the the DT 28553 298 8 tube tube NN 28553 298 9 T T NNP 28553 298 10 moves move VBZ 28553 298 11 its -PRON- PRP$ 28553 298 12 free free JJ 28553 298 13 end end NN 28553 298 14 outwards outward NNS 28553 298 15 towards towards IN 28553 298 16 the the DT 28553 298 17 position position NN 28553 298 18 shown show VBN 28553 298 19 by by IN 28553 298 20 the the DT 28553 298 21 dotted dotted JJ 28553 298 22 lines line NNS 28553 298 23 , , , 28553 298 24 and and CC 28553 298 25 traverses traverse VBZ 28553 298 26 the the DT 28553 298 27 arm arm NN 28553 298 28 of of IN 28553 298 29 the the DT 28553 298 30 rack rack NN 28553 298 31 , , , 28553 298 32 so so RB 28553 298 33 shifting shift VBG 28553 298 34 the the DT 28553 298 35 pointer pointer NN 28553 298 36 round round IN 28553 298 37 the the DT 28553 298 38 scale scale NN 28553 298 39 . . . 28553 299 1 As as IN 28553 299 2 the the DT 28553 299 3 pressure pressure NN 28553 299 4 falls fall VBZ 28553 299 5 , , , 28553 299 6 the the DT 28553 299 7 tube tube NN 28553 299 8 gradually gradually RB 28553 299 9 returns return VBZ 28553 299 10 to to IN 28553 299 11 its -PRON- PRP$ 28553 299 12 zero zero CD 28553 299 13 position position NN 28553 299 14 . . . 28553 300 1 The the DT 28553 300 2 Schäffer Schäffer NNP 28553 300 3 - - HYPH 28553 300 4 Budenberg Budenberg NNP 28553 300 5 gauge gauge NN 28553 300 6 depends depend VBZ 28553 300 7 for for IN 28553 300 8 its -PRON- PRP$ 28553 300 9 action action NN 28553 300 10 on on IN 28553 300 11 the the DT 28553 300 12 elasticity elasticity NN 28553 300 13 of of IN 28553 300 14 a a DT 28553 300 15 thin thin JJ 28553 300 16 corrugated corrugate VBN 28553 300 17 metal metal NN 28553 300 18 plate plate NN 28553 300 19 , , , 28553 300 20 on on IN 28553 300 21 one one CD 28553 300 22 side side NN 28553 300 23 of of IN 28553 300 24 which which WDT 28553 300 25 steam steam NN 28553 300 26 presses press NNS 28553 300 27 . . . 28553 301 1 As as IN 28553 301 2 the the DT 28553 301 3 plate plate NN 28553 301 4 bulges bulge VBZ 28553 301 5 upwards upwards RB 28553 301 6 it -PRON- PRP 28553 301 7 pushes push VBZ 28553 301 8 up up RP 28553 301 9 a a DT 28553 301 10 small small JJ 28553 301 11 rod rod NN 28553 301 12 resting rest VBG 28553 301 13 on on IN 28553 301 14 it -PRON- PRP 28553 301 15 , , , 28553 301 16 which which WDT 28553 301 17 operates operate VBZ 28553 301 18 a a DT 28553 301 19 quadrant quadrant NN 28553 301 20 and and CC 28553 301 21 rack rack VB 28553 301 22 similar similar JJ 28553 301 23 to to IN 28553 301 24 that that DT 28553 301 25 of of IN 28553 301 26 the the DT 28553 301 27 Bourdon Bourdon NNP 28553 301 28 gauge gauge NN 28553 301 29 . . . 28553 302 1 The the DT 28553 302 2 principle principle NN 28553 302 3 is be VBZ 28553 302 4 employed employ VBN 28553 302 5 in in IN 28553 302 6 another another DT 28553 302 7 form form NN 28553 302 8 for for IN 28553 302 9 the the DT 28553 302 10 aneroid aneroid NNP 28553 302 11 barometer barometer NNP 28553 302 12 ( ( -LRB- 28553 302 13 p. p. NN 28553 302 14 329 329 CD 28553 302 15 ) ) -RRB- 28553 302 16 . . . 28553 303 1 THE the DT 28553 303 2 WATER WATER NNP 28553 303 3 SUPPLY SUPPLY VBD 28553 303 4 TO to IN 28553 303 5 A a DT 28553 303 6 BOILER boiler NN 28553 303 7 . . . 28553 304 1 The the DT 28553 304 2 water water NN 28553 304 3 inside inside IN 28553 304 4 a a DT 28553 304 5 boiler boiler NN 28553 304 6 is be VBZ 28553 304 7 kept keep VBN 28553 304 8 at at IN 28553 304 9 a a DT 28553 304 10 proper proper JJ 28553 304 11 level level NN 28553 304 12 by by IN 28553 304 13 ( ( -LRB- 28553 304 14 1 1 CD 28553 304 15 ) ) -RRB- 28553 304 16 pumps pump NNS 28553 304 17 or or CC 28553 304 18 ( ( -LRB- 28553 304 19 2 2 LS 28553 304 20 ) ) -RRB- 28553 304 21 injectors injector NNS 28553 304 22 . . . 28553 305 1 The the DT 28553 305 2 former former JJ 28553 305 3 are be VBP 28553 305 4 most most RBS 28553 305 5 commonly commonly RB 28553 305 6 used use VBN 28553 305 7 on on IN 28553 305 8 stationary stationary JJ 28553 305 9 and and CC 28553 305 10 marine marine JJ 28553 305 11 boilers boiler NNS 28553 305 12 . . . 28553 306 1 As as IN 28553 306 2 their -PRON- PRP$ 28553 306 3 mechanism mechanism NN 28553 306 4 is be VBZ 28553 306 5 much much RB 28553 306 6 the the DT 28553 306 7 same same JJ 28553 306 8 as as IN 28553 306 9 that that DT 28553 306 10 of of IN 28553 306 11 ordinary ordinary JJ 28553 306 12 force force NN 28553 306 13 pumps pump NNS 28553 306 14 , , , 28553 306 15 which which WDT 28553 306 16 will will MD 28553 306 17 be be VB 28553 306 18 described describe VBN 28553 306 19 in in IN 28553 306 20 a a DT 28553 306 21 later later JJ 28553 306 22 chapter chapter NN 28553 306 23 , , , 28553 306 24 we -PRON- PRP 28553 306 25 may may MD 28553 306 26 pass pass VB 28553 306 27 at at RB 28553 306 28 once once RB 28553 306 29 to to IN 28553 306 30 the the DT 28553 306 31 _ _ NNP 28553 306 32 injector injector NN 28553 306 33 _ _ NNP 28553 306 34 , , , 28553 306 35 now now RB 28553 306 36 almost almost RB 28553 306 37 universally universally RB 28553 306 38 used use VBN 28553 306 39 on on IN 28553 306 40 locomotive locomotive JJ 28553 306 41 , , , 28553 306 42 and and CC 28553 306 43 sometimes sometimes RB 28553 306 44 on on IN 28553 306 45 stationary stationary JJ 28553 306 46 boilers boiler NNS 28553 306 47 . . . 28553 307 1 At at IN 28553 307 2 first first JJ 28553 307 3 sight sight NN 28553 307 4 the the DT 28553 307 5 injector injector NN 28553 307 6 is be VBZ 28553 307 7 a a DT 28553 307 8 mechanical mechanical JJ 28553 307 9 paradox paradox NN 28553 307 10 , , , 28553 307 11 since since IN 28553 307 12 it -PRON- PRP 28553 307 13 employs employ VBZ 28553 307 14 the the DT 28553 307 15 steam steam NN 28553 307 16 from from IN 28553 307 17 a a DT 28553 307 18 boiler boiler NN 28553 307 19 to to TO 28553 307 20 blow blow VB 28553 307 21 water water NN 28553 307 22 into into IN 28553 307 23 the the DT 28553 307 24 boiler boiler NN 28553 307 25 . . . 28553 308 1 In in IN 28553 308 2 Fig Fig NNP 28553 308 3 . . . 28553 309 1 15 15 CD 28553 309 2 we -PRON- PRP 28553 309 3 have have VBP 28553 309 4 an an DT 28553 309 5 illustration illustration NN 28553 309 6 of of IN 28553 309 7 the the DT 28553 309 8 principle principle NN 28553 309 9 of of IN 28553 309 10 an an DT 28553 309 11 injector injector NN 28553 309 12 . . . 28553 310 1 Steam steam NN 28553 310 2 is be VBZ 28553 310 3 led lead VBN 28553 310 4 from from IN 28553 310 5 the the DT 28553 310 6 boiler boiler NN 28553 310 7 through through IN 28553 310 8 pipe pipe NN 28553 310 9 A A NNP 28553 310 10 , , , 28553 310 11 which which WDT 28553 310 12 terminates terminate VBZ 28553 310 13 in in IN 28553 310 14 a a DT 28553 310 15 nozzle nozzle NN 28553 310 16 surrounded surround VBN 28553 310 17 by by IN 28553 310 18 a a DT 28553 310 19 cone cone NN 28553 310 20 , , , 28553 310 21 E e NN 28553 310 22 , , , 28553 310 23 connected connect VBN 28553 310 24 by by IN 28553 310 25 the the DT 28553 310 26 pipe pipe NN 28553 310 27 B b NN 28553 310 28 with with IN 28553 310 29 the the DT 28553 310 30 water water NN 28553 310 31 tank tank NN 28553 310 32 . . . 28553 311 1 When when WRB 28553 311 2 steam steam NN 28553 311 3 is be VBZ 28553 311 4 turned turn VBN 28553 311 5 on on RP 28553 311 6 it -PRON- PRP 28553 311 7 rushes rush VBZ 28553 311 8 with with IN 28553 311 9 immense immense JJ 28553 311 10 velocity velocity NN 28553 311 11 from from IN 28553 311 12 the the DT 28553 311 13 nozzle nozzle NN 28553 311 14 , , , 28553 311 15 and and CC 28553 311 16 creates create VBZ 28553 311 17 a a DT 28553 311 18 partial partial JJ 28553 311 19 vacuum vacuum NN 28553 311 20 in in IN 28553 311 21 cone cone NN 28553 311 22 E e NN 28553 311 23 , , , 28553 311 24 which which WDT 28553 311 25 soon soon RB 28553 311 26 fills fill VBZ 28553 311 27 with with IN 28553 311 28 water water NN 28553 311 29 . . . 28553 312 1 On on IN 28553 312 2 meeting meet VBG 28553 312 3 the the DT 28553 312 4 water water NN 28553 312 5 the the DT 28553 312 6 steam steam NN 28553 312 7 condenses condense NNS 28553 312 8 , , , 28553 312 9 but but CC 28553 312 10 not not RB 28553 312 11 before before IN 28553 312 12 it -PRON- PRP 28553 312 13 has have VBZ 28553 312 14 imparted impart VBN 28553 312 15 some some DT 28553 312 16 of of IN 28553 312 17 its -PRON- PRP$ 28553 312 18 _ _ NNP 28553 312 19 velocity velocity NN 28553 312 20 _ _ NNP 28553 312 21 to to IN 28553 312 22 the the DT 28553 312 23 water water NN 28553 312 24 , , , 28553 312 25 which which WDT 28553 312 26 thus thus RB 28553 312 27 gains gain VBZ 28553 312 28 sufficient sufficient JJ 28553 312 29 momentum momentum NN 28553 312 30 to to TO 28553 312 31 force force VB 28553 312 32 down down RP 28553 312 33 the the DT 28553 312 34 valve valve NN 28553 312 35 and and CC 28553 312 36 find find VB 28553 312 37 its -PRON- PRP$ 28553 312 38 way way NN 28553 312 39 to to IN 28553 312 40 the the DT 28553 312 41 boiler boiler NN 28553 312 42 . . . 28553 313 1 The the DT 28553 313 2 overflow overflow NN 28553 313 3 space space NN 28553 313 4 O o NN 28553 313 5 O o NN 28553 313 6 between between IN 28553 313 7 E e NN 28553 313 8 and and CC 28553 313 9 C C NNP 28553 313 10 allows allow VBZ 28553 313 11 steam steam NN 28553 313 12 and and CC 28553 313 13 water water NN 28553 313 14 to to TO 28553 313 15 escape escape VB 28553 313 16 until until IN 28553 313 17 the the DT 28553 313 18 water water NN 28553 313 19 has have VBZ 28553 313 20 gathered gather VBN 28553 313 21 the the DT 28553 313 22 requisite requisite JJ 28553 313 23 momentum momentum NN 28553 313 24 . . . 28553 314 1 [ [ -LRB- 28553 314 2 Illustration illustration NN 28553 314 3 : : : 28553 314 4 FIG FIG NNP 28553 314 5 . . . 28553 315 1 15.--Diagram 15.--diagram CD 28553 315 2 illustrating illustrate VBG 28553 315 3 the the DT 28553 315 4 principle principle NN 28553 315 5 of of IN 28553 315 6 a a DT 28553 315 7 steam steam NN 28553 315 8 - - HYPH 28553 315 9 injector injector NN 28553 315 10 . . . 28553 315 11 ] ] -RRB- 28553 316 1 [ [ -LRB- 28553 316 2 Illustration illustration NN 28553 316 3 : : : 28553 316 4 FIG FIG NNP 28553 316 5 . . . 28553 317 1 16.--The 16.--the CD 28553 317 2 Giffard Giffard NNP 28553 317 3 injector injector NN 28553 317 4 . . . 28553 317 5 ] ] -RRB- 28553 318 1 A a DT 28553 318 2 form form NN 28553 318 3 of of IN 28553 318 4 injector injector NN 28553 318 5 very very RB 28553 318 6 commonly commonly RB 28553 318 7 used use VBN 28553 318 8 is be VBZ 28553 318 9 Giffard Giffard NNP 28553 318 10 's 's POS 28553 318 11 ( ( -LRB- 28553 318 12 Fig fig NN 28553 318 13 . . . 28553 319 1 16 16 CD 28553 319 2 ) ) -RRB- 28553 319 3 . . . 28553 320 1 Steam steam NN 28553 320 2 is be VBZ 28553 320 3 allowed allow VBN 28553 320 4 to to TO 28553 320 5 enter enter VB 28553 320 6 by by IN 28553 320 7 screwing screw VBG 28553 320 8 up up RP 28553 320 9 the the DT 28553 320 10 valve valve NN 28553 320 11 V. V. NNP 28553 320 12 As as IN 28553 320 13 it -PRON- PRP 28553 320 14 rushes rush VBZ 28553 320 15 through through IN 28553 320 16 the the DT 28553 320 17 nozzle nozzle NN 28553 320 18 of of IN 28553 320 19 the the DT 28553 320 20 cone cone NN 28553 320 21 A a DT 28553 320 22 it -PRON- PRP 28553 320 23 takes take VBZ 28553 320 24 up up RP 28553 320 25 water water NN 28553 320 26 and and CC 28553 320 27 projects project VBZ 28553 320 28 it -PRON- PRP 28553 320 29 into into IN 28553 320 30 the the DT 28553 320 31 " " `` 28553 320 32 mixing mix VBG 28553 320 33 cone cone NN 28553 320 34 " " '' 28553 320 35 B b NN 28553 320 36 , , , 28553 320 37 which which WDT 28553 320 38 can can MD 28553 320 39 be be VB 28553 320 40 raised raise VBN 28553 320 41 or or CC 28553 320 42 lowered lower VBN 28553 320 43 by by IN 28553 320 44 the the DT 28553 320 45 pinion pinion NN 28553 320 46 D d NN 28553 320 47 ( ( -LRB- 28553 320 48 worked work VBN 28553 320 49 by by IN 28553 320 50 the the DT 28553 320 51 hand hand NN 28553 320 52 - - HYPH 28553 320 53 wheel wheel NN 28553 320 54 wheel wheel NN 28553 320 55 shown show VBN 28553 320 56 ) ) -RRB- 28553 320 57 so so IN 28553 320 58 as as IN 28553 320 59 to to TO 28553 320 60 regulate regulate VB 28553 320 61 the the DT 28553 320 62 amount amount NN 28553 320 63 of of IN 28553 320 64 water water NN 28553 320 65 admitted admit VBN 28553 320 66 to to IN 28553 320 67 B. B. NNP 28553 321 1 At at IN 28553 321 2 the the DT 28553 321 3 centre centre NN 28553 321 4 of of IN 28553 321 5 B B NNP 28553 321 6 is be VBZ 28553 321 7 an an DT 28553 321 8 aperture aperture NN 28553 321 9 , , , 28553 321 10 O o UH 28553 321 11 , , , 28553 321 12 communicating communicate VBG 28553 321 13 with with IN 28553 321 14 the the DT 28553 321 15 overflow overflow NN 28553 321 16 . . . 28553 322 1 The the DT 28553 322 2 water water NN 28553 322 3 passes pass VBZ 28553 322 4 to to IN 28553 322 5 the the DT 28553 322 6 boiler boiler NN 28553 322 7 through through IN 28553 322 8 the the DT 28553 322 9 valve valve NN 28553 322 10 on on IN 28553 322 11 the the DT 28553 322 12 left left NN 28553 322 13 . . . 28553 323 1 It -PRON- PRP 28553 323 2 will will MD 28553 323 3 be be VB 28553 323 4 noticed notice VBN 28553 323 5 that that IN 28553 323 6 the the DT 28553 323 7 cone cone NN 28553 323 8 A a NN 28553 323 9 and and CC 28553 323 10 the the DT 28553 323 11 part part NN 28553 323 12 of of IN 28553 323 13 B b NN 28553 323 14 above above IN 28553 323 15 the the DT 28553 323 16 orifice orifice NN 28553 323 17 O o UH 28553 323 18 contract contract NN 28553 323 19 downward downward RB 28553 323 20 . . . 28553 324 1 This this DT 28553 324 2 is be VBZ 28553 324 3 to to TO 28553 324 4 convert convert VB 28553 324 5 the the DT 28553 324 6 _ _ NNP 28553 324 7 pressure pressure NN 28553 324 8 _ _ NNP 28553 324 9 of of IN 28553 324 10 the the DT 28553 324 11 steam steam NN 28553 324 12 into into IN 28553 324 13 _ _ NNP 28553 324 14 velocity velocity NN 28553 324 15 _ _ NNP 28553 324 16 . . . 28553 325 1 Below below IN 28553 325 2 O o NN 28553 325 3 is be VBZ 28553 325 4 a a DT 28553 325 5 cone cone NN 28553 325 6 , , , 28553 325 7 the the DT 28553 325 8 diameter diameter NN 28553 325 9 of of IN 28553 325 10 which which WDT 28553 325 11 increases increase VBZ 28553 325 12 downwards downwards RB 28553 325 13 . . . 28553 326 1 Here here RB 28553 326 2 the the DT 28553 326 3 _ _ NNP 28553 326 4 velocity velocity NN 28553 326 5 _ _ NNP 28553 326 6 of of IN 28553 326 7 the the DT 28553 326 8 water water NN 28553 326 9 is be VBZ 28553 326 10 converted convert VBN 28553 326 11 back back RB 28553 326 12 into into IN 28553 326 13 _ _ NNP 28553 326 14 pressure pressure NN 28553 326 15 _ _ NNP 28553 326 16 in in IN 28553 326 17 obedience obedience NN 28553 326 18 to to IN 28553 326 19 a a DT 28553 326 20 well well RB 28553 326 21 - - HYPH 28553 326 22 known know VBN 28553 326 23 hydromechanic hydromechanic JJ 28553 326 24 law law NN 28553 326 25 . . . 28553 327 1 An an DT 28553 327 2 injector injector NN 28553 327 3 does do VBZ 28553 327 4 not not RB 28553 327 5 work work VB 28553 327 6 well well RB 28553 327 7 if if IN 28553 327 8 the the DT 28553 327 9 feed feed NN 28553 327 10 - - HYPH 28553 327 11 water water NN 28553 327 12 be be VB 28553 327 13 too too RB 28553 327 14 hot hot JJ 28553 327 15 to to TO 28553 327 16 condense condense VB 28553 327 17 the the DT 28553 327 18 steam steam NN 28553 327 19 quickly quickly RB 28553 327 20 ; ; : 28553 327 21 and and CC 28553 327 22 it -PRON- PRP 28553 327 23 may may MD 28553 327 24 be be VB 28553 327 25 taken take VBN 28553 327 26 as as IN 28553 327 27 a a DT 28553 327 28 rule rule NN 28553 327 29 that that IN 28553 327 30 the the DT 28553 327 31 warmer warm JJR 28553 327 32 the the DT 28553 327 33 water water NN 28553 327 34 , , , 28553 327 35 the the DT 28553 327 36 smaller small JJR 28553 327 37 is be VBZ 28553 327 38 the the DT 28553 327 39 amount amount NN 28553 327 40 of of IN 28553 327 41 it -PRON- PRP 28553 327 42 injected inject VBN 28553 327 43 by by IN 28553 327 44 a a DT 28553 327 45 given give VBN 28553 327 46 weight weight NN 28553 327 47 of of IN 28553 327 48 steam steam NN 28553 327 49 . . . 28553 328 1 [ [ -LRB- 28553 328 2 2 2 LS 28553 328 3 ] ] -RRB- 28553 328 4 Some some DT 28553 328 5 injectors injector NNS 28553 328 6 have have VBP 28553 328 7 flap flap NN 28553 328 8 - - HYPH 28553 328 9 valves valve NNS 28553 328 10 covering cover VBG 28553 328 11 the the DT 28553 328 12 overflow overflow NNP 28553 328 13 orifice orifice NN 28553 328 14 , , , 28553 328 15 to to TO 28553 328 16 prevent prevent VB 28553 328 17 air air NN 28553 328 18 being be VBG 28553 328 19 sucked suck VBN 28553 328 20 in in RP 28553 328 21 and and CC 28553 328 22 carried carry VBD 28553 328 23 to to IN 28553 328 24 the the DT 28553 328 25 boiler boiler NN 28553 328 26 . . . 28553 329 1 When when WRB 28553 329 2 an an DT 28553 329 3 injector injector NN 28553 329 4 receives receive VBZ 28553 329 5 a a DT 28553 329 6 sudden sudden JJ 28553 329 7 shock shock NN 28553 329 8 , , , 28553 329 9 such such JJ 28553 329 10 as as IN 28553 329 11 that that DT 28553 329 12 produced produce VBN 28553 329 13 by by IN 28553 329 14 the the DT 28553 329 15 passing passing NN 28553 329 16 of of IN 28553 329 17 a a DT 28553 329 18 locomotive locomotive JJ 28553 329 19 over over IN 28553 329 20 points point NNS 28553 329 21 , , , 28553 329 22 it -PRON- PRP 28553 329 23 is be VBZ 28553 329 24 liable liable JJ 28553 329 25 to to TO 28553 329 26 " " `` 28553 329 27 fly fly VB 28553 329 28 off"--that off"--that NNP 28553 329 29 is be VBZ 28553 329 30 , , , 28553 329 31 stop stop VB 28553 329 32 momentarily momentarily RB 28553 329 33 -- -- : 28553 329 34 and and CC 28553 329 35 then then RB 28553 329 36 send send VB 28553 329 37 the the DT 28553 329 38 steam steam NN 28553 329 39 and and CC 28553 329 40 water water NN 28553 329 41 through through IN 28553 329 42 the the DT 28553 329 43 overflow overflow NN 28553 329 44 . . . 28553 330 1 If if IN 28553 330 2 this this DT 28553 330 3 happens happen VBZ 28553 330 4 , , , 28553 330 5 both both CC 28553 330 6 steam steam NN 28553 330 7 and and CC 28553 330 8 water water NN 28553 330 9 must must MD 28553 330 10 be be VB 28553 330 11 turned turn VBN 28553 330 12 off off RP 28553 330 13 , , , 28553 330 14 and and CC 28553 330 15 the the DT 28553 330 16 injector injector NN 28553 330 17 be be VB 28553 330 18 restarted restart VBN 28553 330 19 ; ; : 28553 330 20 unless unless IN 28553 330 21 it -PRON- PRP 28553 330 22 be be VB 28553 330 23 of of IN 28553 330 24 the the DT 28553 330 25 _ _ NNP 28553 330 26 self self NN 28553 330 27 - - HYPH 28553 330 28 starting start VBG 28553 330 29 _ _ NNP 28553 330 30 variety variety NN 28553 330 31 , , , 28553 330 32 which which WDT 28553 330 33 automatically automatically RB 28553 330 34 controls control VBZ 28553 330 35 the the DT 28553 330 36 admission admission NN 28553 330 37 of of IN 28553 330 38 water water NN 28553 330 39 to to IN 28553 330 40 the the DT 28553 330 41 " " `` 28553 330 42 mixing mixing NN 28553 330 43 - - HYPH 28553 330 44 cone cone NN 28553 330 45 , , , 28553 330 46 " " '' 28553 330 47 and and CC 28553 330 48 allows allow VBZ 28553 330 49 the the DT 28553 330 50 injector injector NN 28553 330 51 to to TO 28553 330 52 " " `` 28553 330 53 pick pick VB 28553 330 54 up up RP 28553 330 55 " " '' 28553 330 56 of of IN 28553 330 57 itself -PRON- PRP 28553 330 58 . . . 28553 331 1 For for IN 28553 331 2 economy economy NN 28553 331 3 's 's POS 28553 331 4 sake sake NN 28553 331 5 part part NN 28553 331 6 of of IN 28553 331 7 the the DT 28553 331 8 steam steam NN 28553 331 9 expelled expel VBN 28553 331 10 from from IN 28553 331 11 the the DT 28553 331 12 cylinders cylinder NNS 28553 331 13 of of IN 28553 331 14 a a DT 28553 331 15 locomotive locomotive NN 28553 331 16 is be VBZ 28553 331 17 sometimes sometimes RB 28553 331 18 used use VBN 28553 331 19 to to TO 28553 331 20 work work VB 28553 331 21 an an DT 28553 331 22 injector injector NN 28553 331 23 , , , 28553 331 24 which which WDT 28553 331 25 passes pass VBZ 28553 331 26 the the DT 28553 331 27 water water NN 28553 331 28 on on RP 28553 331 29 , , , 28553 331 30 at at IN 28553 331 31 a a DT 28553 331 32 pressure pressure NN 28553 331 33 of of IN 28553 331 34 70 70 CD 28553 331 35 lbs lb NNS 28553 331 36 . . . 28553 332 1 to to IN 28553 332 2 the the DT 28553 332 3 square square JJ 28553 332 4 inch inch NN 28553 332 5 , , , 28553 332 6 to to IN 28553 332 7 a a DT 28553 332 8 second second JJ 28553 332 9 injector injector NN 28553 332 10 operated operate VBN 28553 332 11 by by IN 28553 332 12 high high JJ 28553 332 13 - - HYPH 28553 332 14 pressure pressure NN 28553 332 15 steam steam NN 28553 332 16 coming come VBG 28553 332 17 direct direct RB 28553 332 18 from from IN 28553 332 19 the the DT 28553 332 20 boiler boiler NN 28553 332 21 , , , 28553 332 22 which which WDT 28553 332 23 increases increase VBZ 28553 332 24 its -PRON- PRP$ 28553 332 25 velocity velocity NN 28553 332 26 sufficiently sufficiently RB 28553 332 27 to to TO 28553 332 28 overcome overcome VB 28553 332 29 the the DT 28553 332 30 boiler boiler NN 28553 332 31 pressure pressure NN 28553 332 32 . . . 28553 333 1 In in IN 28553 333 2 this this DT 28553 333 3 case case NN 28553 333 4 only only RB 28553 333 5 a a DT 28553 333 6 fraction fraction NN 28553 333 7 of of IN 28553 333 8 the the DT 28553 333 9 weight weight NN 28553 333 10 of of IN 28553 333 11 high high JJ 28553 333 12 - - HYPH 28553 333 13 pressure pressure NN 28553 333 14 steam steam NN 28553 333 15 is be VBZ 28553 333 16 required require VBN 28553 333 17 to to TO 28553 333 18 inject inject VB 28553 333 19 a a DT 28553 333 20 given give VBN 28553 333 21 weight weight NN 28553 333 22 of of IN 28553 333 23 water water NN 28553 333 24 , , , 28553 333 25 as as IN 28553 333 26 compared compare VBN 28553 333 27 with with IN 28553 333 28 that that DT 28553 333 29 used use VBN 28553 333 30 in in IN 28553 333 31 a a DT 28553 333 32 single single JJ 28553 333 33 - - HYPH 28553 333 34 stage stage NN 28553 333 35 injector injector NN 28553 333 36 . . . 28553 334 1 [ [ -LRB- 28553 334 2 1 1 CD 28553 334 3 ] ] -RRB- 28553 334 4 " " `` 28553 334 5 The the DT 28553 334 6 Steam Steam NNP 28553 334 7 - - HYPH 28553 334 8 Engine Engine NNP 28553 334 9 , , , 28553 334 10 " " '' 28553 334 11 p. p. NN 28553 334 12 3 3 CD 28553 334 13 . . . 28553 335 1 [ [ -LRB- 28553 335 2 2 2 LS 28553 335 3 ] ] -RRB- 28553 335 4 By by IN 28553 335 5 " " `` 28553 335 6 weight weight NN 28553 335 7 of of IN 28553 335 8 steam steam NN 28553 335 9 " " '' 28553 335 10 is be VBZ 28553 335 11 meant mean VBN 28553 335 12 the the DT 28553 335 13 steam steam NN 28553 335 14 produced produce VBN 28553 335 15 by by IN 28553 335 16 boiling boil VBG 28553 335 17 a a DT 28553 335 18 certain certain JJ 28553 335 19 weight weight NN 28553 335 20 of of IN 28553 335 21 water water NN 28553 335 22 . . . 28553 336 1 A a DT 28553 336 2 pound pound NN 28553 336 3 of of IN 28553 336 4 steam steam NN 28553 336 5 , , , 28553 336 6 if if IN 28553 336 7 condensed condense VBN 28553 336 8 , , , 28553 336 9 would would MD 28553 336 10 form form VB 28553 336 11 a a DT 28553 336 12 pound pound NN 28553 336 13 of of IN 28553 336 14 water water NN 28553 336 15 . . . 28553 337 1 Chapter Chapter NNP 28553 337 2 II II NNP 28553 337 3 . . . 28553 338 1 THE the DT 28553 338 2 CONVERSION CONVERSION NNP 28553 338 3 OF of IN 28553 338 4 HEAT HEAT NNP 28553 338 5 ENERGY ENERGY NNP 28553 338 6 INTO INTO NNP 28553 338 7 MECHANICAL MECHANICAL NNS 28553 338 8 MOTION motion NN 28553 338 9 . . . 28553 339 1 Reciprocating reciprocate VBG 28553 339 2 engines engine NNS 28553 339 3 -- -- : 28553 339 4 Double double JJ 28553 339 5 - - HYPH 28553 339 6 cylinder cylinder NN 28553 339 7 engines engine NNS 28553 339 8 -- -- : 28553 339 9 The the DT 28553 339 10 function function NN 28553 339 11 of of IN 28553 339 12 the the DT 28553 339 13 fly fly NN 28553 339 14 - - HYPH 28553 339 15 wheel wheel NN 28553 339 16 -- -- : 28553 339 17 The the DT 28553 339 18 cylinder cylinder NN 28553 339 19 -- -- : 28553 339 20 The the DT 28553 339 21 slide slide NN 28553 339 22 - - HYPH 28553 339 23 valve valve NN 28553 339 24 -- -- . 28553 339 25 The the DT 28553 339 26 eccentric--"Lap eccentric--"Lap NNP 28553 339 27 " " '' 28553 339 28 of of IN 28553 339 29 the the DT 28553 339 30 valve valve NN 28553 339 31 : : : 28553 339 32 expansion expansion NN 28553 339 33 of of IN 28553 339 34 steam steam NN 28553 339 35 -- -- : 28553 339 36 How how WRB 28553 339 37 the the DT 28553 339 38 cut cut NN 28553 339 39 - - HYPH 28553 339 40 off off RP 28553 339 41 is be VBZ 28553 339 42 managed manage VBN 28553 339 43 -- -- : 28553 339 44 Limit limit NN 28553 339 45 of of IN 28553 339 46 expansive expansive JJ 28553 339 47 working work VBG 28553 339 48 -- -- : 28553 339 49 Compound compound NN 28553 339 50 engines engine NNS 28553 339 51 -- -- : 28553 339 52 Arrangement arrangement NN 28553 339 53 of of IN 28553 339 54 expansion expansion NN 28553 339 55 engines engine NNS 28553 339 56 -- -- : 28553 339 57 Compound Compound NNP 28553 339 58 locomotives locomotive NNS 28553 339 59 -- -- : 28553 339 60 Reversing reverse VBG 28553 339 61 gears--"Linking gears--"linking NN 28553 339 62 - - HYPH 28553 339 63 up"--Piston up"--piston NN 28553 339 64 - - HYPH 28553 339 65 valves valve NNS 28553 339 66 -- -- : 28553 339 67 Speed speed NN 28553 339 68 governors governor NNS 28553 339 69 -- -- : 28553 339 70 Marine marine JJ 28553 339 71 - - HYPH 28553 339 72 speed speed NN 28553 339 73 governors governor NNS 28553 339 74 -- -- : 28553 339 75 The the DT 28553 339 76 condenser condenser NN 28553 339 77 . . . 28553 340 1 Having have VBG 28553 340 2 treated treat VBN 28553 340 3 at at IN 28553 340 4 some some DT 28553 340 5 length length NN 28553 340 6 the the DT 28553 340 7 apparatus apparatus NN 28553 340 8 used use VBN 28553 340 9 for for IN 28553 340 10 converting convert VBG 28553 340 11 water water NN 28553 340 12 into into IN 28553 340 13 high high JJ 28553 340 14 - - HYPH 28553 340 15 pressure pressure NN 28553 340 16 steam steam NN 28553 340 17 , , , 28553 340 18 we -PRON- PRP 28553 340 19 may may MD 28553 340 20 pass pass VB 28553 340 21 at at RB 28553 340 22 once once RB 28553 340 23 to to IN 28553 340 24 a a DT 28553 340 25 consideration consideration NN 28553 340 26 of of IN 28553 340 27 the the DT 28553 340 28 mechanisms mechanism NNS 28553 340 29 which which WDT 28553 340 30 convert convert VBP 28553 340 31 the the DT 28553 340 32 energy energy NN 28553 340 33 of of IN 28553 340 34 steam steam NN 28553 340 35 into into IN 28553 340 36 mechanical mechanical JJ 28553 340 37 motion motion NN 28553 340 38 , , , 28553 340 39 or or CC 28553 340 40 _ _ NNP 28553 340 41 work work NN 28553 340 42 _ _ NNP 28553 340 43 . . . 28553 341 1 Steam steam NN 28553 341 2 - - HYPH 28553 341 3 engines engine NNS 28553 341 4 are be VBP 28553 341 5 of of IN 28553 341 6 two two CD 28553 341 7 kinds:--(1 kinds:--(1 NN 28553 341 8 ) ) -RRB- 28553 341 9 _ _ NNP 28553 341 10 reciprocating reciprocate VBG 28553 341 11 _ _ NNP 28553 341 12 , , , 28553 341 13 employing employ VBG 28553 341 14 cylinders cylinder NNS 28553 341 15 and and CC 28553 341 16 cranks crank NNS 28553 341 17 ; ; : 28553 341 18 ( ( -LRB- 28553 341 19 2 2 LS 28553 341 20 ) ) -RRB- 28553 341 21 _ _ NNP 28553 341 22 rotary rotary JJ 28553 341 23 _ _ NNP 28553 341 24 , , , 28553 341 25 called call VBN 28553 341 26 turbines turbine NNS 28553 341 27 . . . 28553 342 1 RECIPROCATING reciprocate VBG 28553 342 2 ENGINES ENGINES NNP 28553 342 3 . . . 28553 343 1 [ [ -LRB- 28553 343 2 Illustration illustration NN 28553 343 3 : : : 28553 343 4 FIG FIG NNP 28553 343 5 . . . 28553 344 1 17.--Sketch 17.--sketch LS 28553 344 2 showing show VBG 28553 344 3 parts part NNS 28553 344 4 of of IN 28553 344 5 a a DT 28553 344 6 horizontal horizontal JJ 28553 344 7 steam steam NN 28553 344 8 - - HYPH 28553 344 9 engine engine NN 28553 344 10 . . . 28553 344 11 ] ] -RRB- 28553 345 1 Fig fig NN 28553 345 2 . . . 28553 346 1 17 17 CD 28553 346 2 is be VBZ 28553 346 3 a a DT 28553 346 4 skeleton skeleton NNP 28553 346 5 diagram diagram NN 28553 346 6 of of IN 28553 346 7 the the DT 28553 346 8 simplest simple JJS 28553 346 9 form form NN 28553 346 10 of of IN 28553 346 11 reciprocating reciprocate VBG 28553 346 12 engine engine NN 28553 346 13 . . . 28553 347 1 C C NNP 28553 347 2 is be VBZ 28553 347 3 a a DT 28553 347 4 _ _ NNP 28553 347 5 cylinder cylinder NN 28553 347 6 _ _ NNP 28553 347 7 to to TO 28553 347 8 which which WDT 28553 347 9 steam steam NN 28553 347 10 is be VBZ 28553 347 11 admitted admit VBN 28553 347 12 through through IN 28553 347 13 the the DT 28553 347 14 _ _ NNP 28553 347 15 steam steam NN 28553 347 16 - - HYPH 28553 347 17 ways_[3 ways_[3 JJ 28553 347 18 ] ] -RRB- 28553 347 19 W W NNP 28553 347 20 W W NNP 28553 347 21 , , , 28553 347 22 first first RB 28553 347 23 on on IN 28553 347 24 one one CD 28553 347 25 side side NN 28553 347 26 of of IN 28553 347 27 the the DT 28553 347 28 piston piston NN 28553 347 29 P P NNP 28553 347 30 , , , 28553 347 31 then then RB 28553 347 32 on on IN 28553 347 33 the the DT 28553 347 34 other other JJ 28553 347 35 . . . 28553 348 1 The the DT 28553 348 2 pressure pressure NN 28553 348 3 on on IN 28553 348 4 the the DT 28553 348 5 piston piston NN 28553 348 6 pushes push VBZ 28553 348 7 it -PRON- PRP 28553 348 8 along along IN 28553 348 9 the the DT 28553 348 10 cylinder cylinder NN 28553 348 11 , , , 28553 348 12 and and CC 28553 348 13 the the DT 28553 348 14 force force NN 28553 348 15 is be VBZ 28553 348 16 transmitted transmit VBN 28553 348 17 through through IN 28553 348 18 the the DT 28553 348 19 piston piston NN 28553 348 20 rod rod NN 28553 348 21 P p NN 28553 348 22 R r NN 28553 348 23 to to IN 28553 348 24 the the DT 28553 348 25 _ _ NNP 28553 348 26 connecting connect VBG 28553 348 27 rod rod NN 28553 348 28 _ _ NNP 28553 348 29 C C NNP 28553 348 30 R R NNP 28553 348 31 , , , 28553 348 32 which which WDT 28553 348 33 causes cause VBZ 28553 348 34 the the DT 28553 348 35 _ _ NNP 28553 348 36 crank crank NN 28553 348 37 _ _ NNP 28553 348 38 K K NNP 28553 348 39 to to TO 28553 348 40 revolve revolve VB 28553 348 41 . . . 28553 349 1 At at IN 28553 349 2 the the DT 28553 349 3 point point NN 28553 349 4 where where WRB 28553 349 5 the the DT 28553 349 6 two two CD 28553 349 7 rods rod NNS 28553 349 8 meet meet VBP 28553 349 9 there there EX 28553 349 10 is be VBZ 28553 349 11 a a DT 28553 349 12 " " `` 28553 349 13 crosshead crosshead NN 28553 349 14 , , , 28553 349 15 " " '' 28553 349 16 H h NN 28553 349 17 , , , 28553 349 18 running run VBG 28553 349 19 to to IN 28553 349 20 and and CC 28553 349 21 fro fro NNP 28553 349 22 in in IN 28553 349 23 a a DT 28553 349 24 guide guide NN 28553 349 25 to to TO 28553 349 26 prevent prevent VB 28553 349 27 the the DT 28553 349 28 piston piston NN 28553 349 29 rod rod NN 28553 349 30 being be VBG 28553 349 31 broken break VBN 28553 349 32 or or CC 28553 349 33 bent bent JJ 28553 349 34 by by IN 28553 349 35 the the DT 28553 349 36 oblique oblique JJ 28553 349 37 thrusts thrust NNS 28553 349 38 and and CC 28553 349 39 pulls pull NNS 28553 349 40 which which WDT 28553 349 41 it -PRON- PRP 28553 349 42 imparts impart VBZ 28553 349 43 through through IN 28553 349 44 C c NN 28553 349 45 R r NN 28553 349 46 to to IN 28553 349 47 the the DT 28553 349 48 crank crank NN 28553 349 49 K. K. NNP 28553 349 50 The the DT 28553 349 51 latter latter NN 28553 349 52 is be VBZ 28553 349 53 keyed keyed JJ 28553 349 54 to to IN 28553 349 55 a a DT 28553 349 56 _ _ NNP 28553 349 57 shaft shaft NN 28553 349 58 _ _ NNP 28553 349 59 S S NNP 28553 349 60 carrying carry VBG 28553 349 61 the the DT 28553 349 62 fly fly NN 28553 349 63 - - HYPH 28553 349 64 wheel wheel NN 28553 349 65 , , , 28553 349 66 or or CC 28553 349 67 , , , 28553 349 68 in in IN 28553 349 69 the the DT 28553 349 70 case case NN 28553 349 71 of of IN 28553 349 72 a a DT 28553 349 73 locomotive locomotive JJ 28553 349 74 , , , 28553 349 75 the the DT 28553 349 76 driving driving NN 28553 349 77 - - HYPH 28553 349 78 wheels wheel NNS 28553 349 79 . . . 28553 350 1 The the DT 28553 350 2 crank crank NN 28553 350 3 shaft shaft NN 28553 350 4 revolves revolve VBZ 28553 350 5 in in IN 28553 350 6 bearings bearing NNS 28553 350 7 . . . 28553 351 1 The the DT 28553 351 2 internal internal JJ 28553 351 3 diameter diameter NN 28553 351 4 of of IN 28553 351 5 a a DT 28553 351 6 cylinder cylinder NN 28553 351 7 is be VBZ 28553 351 8 called call VBN 28553 351 9 its -PRON- PRP$ 28553 351 10 _ _ NNP 28553 351 11 bore bore NN 28553 351 12 _ _ NNP 28553 351 13 . . . 28553 352 1 The the DT 28553 352 2 travel travel NN 28553 352 3 of of IN 28553 352 4 the the DT 28553 352 5 piston piston NN 28553 352 6 is be VBZ 28553 352 7 called call VBN 28553 352 8 its -PRON- PRP$ 28553 352 9 _ _ NNP 28553 352 10 stroke stroke NN 28553 352 11 _ _ NNP 28553 352 12 . . . 28553 353 1 The the DT 28553 353 2 distance distance NN 28553 353 3 from from IN 28553 353 4 the the DT 28553 353 5 centre centre NN 28553 353 6 of of IN 28553 353 7 the the DT 28553 353 8 shaft shaft NN 28553 353 9 to to IN 28553 353 10 the the DT 28553 353 11 centre centre NN 28553 353 12 of of IN 28553 353 13 the the DT 28553 353 14 crank crank NNP 28553 353 15 pin pin NNP 28553 353 16 is be VBZ 28553 353 17 called call VBN 28553 353 18 the the DT 28553 353 19 crank crank NN 28553 353 20 's 's POS 28553 353 21 _ _ NNP 28553 353 22 throw throw NN 28553 353 23 _ _ NNP 28553 353 24 , , , 28553 353 25 which which WDT 28553 353 26 is be VBZ 28553 353 27 half half NN 28553 353 28 of of IN 28553 353 29 the the DT 28553 353 30 piston piston NN 28553 353 31 's 's POS 28553 353 32 _ _ NNP 28553 353 33 stroke stroke NN 28553 353 34 _ _ NNP 28553 353 35 . . . 28553 354 1 An an DT 28553 354 2 engine engine NN 28553 354 3 of of IN 28553 354 4 this this DT 28553 354 5 type type NN 28553 354 6 is be VBZ 28553 354 7 called call VBN 28553 354 8 double double JJ 28553 354 9 - - HYPH 28553 354 10 acting acting NN 28553 354 11 , , , 28553 354 12 as as IN 28553 354 13 the the DT 28553 354 14 piston piston NN 28553 354 15 is be VBZ 28553 354 16 pushed push VBN 28553 354 17 alternately alternately RB 28553 354 18 backwards backwards RB 28553 354 19 and and CC 28553 354 20 forwards forwards RB 28553 354 21 by by IN 28553 354 22 the the DT 28553 354 23 steam steam NN 28553 354 24 . . . 28553 355 1 When when WRB 28553 355 2 piston piston NNP 28553 355 3 rod rod NN 28553 355 4 , , , 28553 355 5 connecting connect VBG 28553 355 6 rod rod NN 28553 355 7 , , , 28553 355 8 and and CC 28553 355 9 crank crank NNP 28553 355 10 lie lie VBP 28553 355 11 in in IN 28553 355 12 a a DT 28553 355 13 straight straight JJ 28553 355 14 line line NN 28553 355 15 -- -- : 28553 355 16 that that RB 28553 355 17 is is RB 28553 355 18 , , , 28553 355 19 when when WRB 28553 355 20 the the DT 28553 355 21 piston piston NN 28553 355 22 is be VBZ 28553 355 23 fully fully RB 28553 355 24 out out RB 28553 355 25 , , , 28553 355 26 or or CC 28553 355 27 fully fully RB 28553 355 28 in in IN 28553 355 29 -- -- : 28553 355 30 the the DT 28553 355 31 crank crank NN 28553 355 32 is be VBZ 28553 355 33 said say VBN 28553 355 34 to to TO 28553 355 35 be be VB 28553 355 36 at at IN 28553 355 37 a a DT 28553 355 38 " " `` 28553 355 39 dead dead JJ 28553 355 40 point point NN 28553 355 41 ; ; : 28553 355 42 " " `` 28553 355 43 for for IN 28553 355 44 , , , 28553 355 45 were be VBD 28553 355 46 the the DT 28553 355 47 crank crank NN 28553 355 48 turned turn VBD 28553 355 49 to to IN 28553 355 50 such such PDT 28553 355 51 a a DT 28553 355 52 position position NN 28553 355 53 , , , 28553 355 54 the the DT 28553 355 55 admission admission NN 28553 355 56 of of IN 28553 355 57 steam steam NN 28553 355 58 would would MD 28553 355 59 not not RB 28553 355 60 produce produce VB 28553 355 61 motion motion NN 28553 355 62 , , , 28553 355 63 since since IN 28553 355 64 the the DT 28553 355 65 thrust thrust NN 28553 355 66 or or CC 28553 355 67 pull pull VB 28553 355 68 would would MD 28553 355 69 be be VB 28553 355 70 entirely entirely RB 28553 355 71 absorbed absorb VBN 28553 355 72 by by IN 28553 355 73 the the DT 28553 355 74 bearings bearing NNS 28553 355 75 . . . 28553 356 1 [ [ -LRB- 28553 356 2 Illustration illustration NN 28553 356 3 : : : 28553 356 4 FIG FIG NNP 28553 356 5 . . . 28553 357 1 18.--Sectional 18.--sectional CD 28553 357 2 plan plan NN 28553 357 3 of of IN 28553 357 4 a a DT 28553 357 5 horizontal horizontal JJ 28553 357 6 engine engine NN 28553 357 7 . . . 28553 357 8 ] ] -RRB- 28553 358 1 DOUBLE DOUBLE NNP 28553 358 2 - - HYPH 28553 358 3 CYLINDER CYLINDER NNP 28553 358 4 ENGINES ENGINES NNP 28553 358 5 . . . 28553 359 1 [ [ -LRB- 28553 359 2 Illustration illustration NN 28553 359 3 : : : 28553 359 4 FIG FIG NNP 28553 359 5 . . . 28553 360 1 19 19 CD 28553 360 2 . . . 28553 360 3 ] ] -RRB- 28553 361 1 [ [ -LRB- 28553 361 2 Illustration illustration NN 28553 361 3 : : : 28553 361 4 FIG FIG NNP 28553 361 5 . . . 28553 362 1 20 20 CD 28553 362 2 . . . 28553 362 3 ] ] -RRB- 28553 363 1 Locomotive locomotive JJ 28553 363 2 , , , 28553 363 3 marine marine NN 28553 363 4 , , , 28553 363 5 and and CC 28553 363 6 all all DT 28553 363 7 other other JJ 28553 363 8 engines engine NNS 28553 363 9 which which WDT 28553 363 10 must must MD 28553 363 11 be be VB 28553 363 12 started start VBN 28553 363 13 in in IN 28553 363 14 any any DT 28553 363 15 position position NN 28553 363 16 have have VBP 28553 363 17 at at IN 28553 363 18 least least JJS 28553 363 19 _ _ NNP 28553 363 20 two two CD 28553 363 21 _ _ NNP 28553 363 22 cylinders cylinder NNS 28553 363 23 , , , 28553 363 24 and and CC 28553 363 25 as as IN 28553 363 26 many many JJ 28553 363 27 cranks crank NNS 28553 363 28 set set VBD 28553 363 29 at at IN 28553 363 30 an an DT 28553 363 31 angle angle NN 28553 363 32 to to IN 28553 363 33 one one CD 28553 363 34 another another DT 28553 363 35 . . . 28553 364 1 Fig fig NN 28553 364 2 . . . 28553 365 1 19 19 CD 28553 365 2 demonstrates demonstrate VBZ 28553 365 3 that that IN 28553 365 4 when when WRB 28553 365 5 one one CD 28553 365 6 crank crank NN 28553 365 7 , , , 28553 365 8 C_1 C_1 NNP 28553 365 9 , , , 28553 365 10 of of IN 28553 365 11 a a DT 28553 365 12 double double JJ 28553 365 13 - - HYPH 28553 365 14 cylinder cylinder NN 28553 365 15 engine engine NN 28553 365 16 is be VBZ 28553 365 17 at at IN 28553 365 18 a a DT 28553 365 19 " " `` 28553 365 20 dead dead JJ 28553 365 21 point point NN 28553 365 22 , , , 28553 365 23 " " '' 28553 365 24 the the DT 28553 365 25 other other JJ 28553 365 26 , , , 28553 365 27 C_2 c_2 JJ 28553 365 28 , , , 28553 365 29 has have VBZ 28553 365 30 reached reach VBN 28553 365 31 a a DT 28553 365 32 position position NN 28553 365 33 at at IN 28553 365 34 which which WDT 28553 365 35 the the DT 28553 365 36 piston piston NN 28553 365 37 exerts exert VBZ 28553 365 38 the the DT 28553 365 39 maximum maximum NN 28553 365 40 of of IN 28553 365 41 turning turn VBG 28553 365 42 power power NN 28553 365 43 . . . 28553 366 1 In in IN 28553 366 2 Fig Fig NNP 28553 366 3 . . . 28553 367 1 20 20 CD 28553 367 2 each each DT 28553 367 3 crank crank NN 28553 367 4 is be VBZ 28553 367 5 at at IN 28553 367 6 45 45 CD 28553 367 7 ° ° NNS 28553 367 8 with with IN 28553 367 9 the the DT 28553 367 10 horizontal horizontal JJ 28553 367 11 , , , 28553 367 12 and and CC 28553 367 13 both both DT 28553 367 14 pistons piston NNS 28553 367 15 are be VBP 28553 367 16 able able JJ 28553 367 17 to to TO 28553 367 18 do do VB 28553 367 19 work work NN 28553 367 20 . . . 28553 368 1 The the DT 28553 368 2 power power NN 28553 368 3 of of IN 28553 368 4 one one CD 28553 368 5 piston piston NN 28553 368 6 is be VBZ 28553 368 7 constantly constantly RB 28553 368 8 increasing increase VBG 28553 368 9 while while IN 28553 368 10 that that DT 28553 368 11 of of IN 28553 368 12 the the DT 28553 368 13 other other JJ 28553 368 14 is be VBZ 28553 368 15 decreasing decrease VBG 28553 368 16 . . . 28553 369 1 If if IN 28553 369 2 _ _ NNP 28553 369 3 single_-action single_-action NN 28553 369 4 cylinders cylinder NNS 28553 369 5 are be VBP 28553 369 6 used use VBN 28553 369 7 , , , 28553 369 8 at at IN 28553 369 9 least least JJS 28553 369 10 _ _ NNP 28553 369 11 three three CD 28553 369 12 _ _ NNP 28553 369 13 of of IN 28553 369 14 these these DT 28553 369 15 are be VBP 28553 369 16 needed need VBN 28553 369 17 to to TO 28553 369 18 produce produce VB 28553 369 19 a a DT 28553 369 20 perpetual perpetual JJ 28553 369 21 turning turning NN 28553 369 22 movement movement NN 28553 369 23 , , , 28553 369 24 independently independently RB 28553 369 25 of of IN 28553 369 26 a a DT 28553 369 27 fly fly NN 28553 369 28 - - HYPH 28553 369 29 wheel wheel NN 28553 369 30 . . . 28553 370 1 THE the DT 28553 370 2 FUNCTION function NN 28553 370 3 OF of IN 28553 370 4 THE the DT 28553 370 5 FLY FLY NNP 28553 370 6 - - HYPH 28553 370 7 WHEEL WHEEL NNP 28553 370 8 . . . 28553 371 1 A a DT 28553 371 2 fly fly NN 28553 371 3 - - HYPH 28553 371 4 wheel wheel NN 28553 371 5 acts act NNS 28553 371 6 as as IN 28553 371 7 a a DT 28553 371 8 _ _ NNP 28553 371 9 reservoir reservoir NN 28553 371 10 of of IN 28553 371 11 energy energy NN 28553 371 12 _ _ NNP 28553 371 13 , , , 28553 371 14 to to TO 28553 371 15 carry carry VB 28553 371 16 the the DT 28553 371 17 crank crank NN 28553 371 18 of of IN 28553 371 19 a a DT 28553 371 20 single single JJ 28553 371 21 - - HYPH 28553 371 22 cylinder cylinder NN 28553 371 23 engine engine NN 28553 371 24 past past IN 28553 371 25 the the DT 28553 371 26 " " `` 28553 371 27 dead dead JJ 28553 371 28 points point NNS 28553 371 29 . . . 28553 371 30 " " '' 28553 372 1 It -PRON- PRP 28553 372 2 is be VBZ 28553 372 3 useful useful JJ 28553 372 4 in in IN 28553 372 5 all all DT 28553 372 6 reciprocating reciprocate VBG 28553 372 7 engines engine NNS 28553 372 8 to to TO 28553 372 9 produce produce VB 28553 372 10 steady steady JJ 28553 372 11 running running NN 28553 372 12 , , , 28553 372 13 as as IN 28553 372 14 a a DT 28553 372 15 heavy heavy JJ 28553 372 16 wheel wheel NN 28553 372 17 acts act NNS 28553 372 18 as as IN 28553 372 19 a a DT 28553 372 20 drag drag NN 28553 372 21 on on IN 28553 372 22 the the DT 28553 372 23 effects effect NNS 28553 372 24 of of IN 28553 372 25 a a DT 28553 372 26 sudden sudden JJ 28553 372 27 increase increase NN 28553 372 28 or or CC 28553 372 29 decrease decrease NN 28553 372 30 of of IN 28553 372 31 steam steam NN 28553 372 32 pressure pressure NN 28553 372 33 . . . 28553 373 1 In in IN 28553 373 2 a a DT 28553 373 3 pump pump NN 28553 373 4 , , , 28553 373 5 mangold mangold NN 28553 373 6 - - HYPH 28553 373 7 slicer slicer NN 28553 373 8 , , , 28553 373 9 cake cake NN 28553 373 10 - - HYPH 28553 373 11 crusher crusher NN 28553 373 12 , , , 28553 373 13 or or CC 28553 373 14 chaff chaff NN 28553 373 15 - - HYPH 28553 373 16 cutter cutter NN 28553 373 17 , , , 28553 373 18 the the DT 28553 373 19 fly fly NN 28553 373 20 - - HYPH 28553 373 21 wheel wheel NN 28553 373 22 helps help VBZ 28553 373 23 the the DT 28553 373 24 operator operator NN 28553 373 25 to to TO 28553 373 26 pass pass VB 28553 373 27 _ _ NNP 28553 373 28 his -PRON- PRP$ 28553 373 29 _ _ NNP 28553 373 30 dead dead JJ 28553 373 31 points point NNS 28553 373 32 -- -- : 28553 373 33 that that RB 28553 373 34 is is RB 28553 373 35 , , , 28553 373 36 those those DT 28553 373 37 parts part NNS 28553 373 38 of of IN 28553 373 39 the the DT 28553 373 40 circle circle NN 28553 373 41 described describe VBN 28553 373 42 by by IN 28553 373 43 the the DT 28553 373 44 handle handle NN 28553 373 45 in in IN 28553 373 46 which which WDT 28553 373 47 he -PRON- PRP 28553 373 48 can can MD 28553 373 49 do do VB 28553 373 50 little little JJ 28553 373 51 work work NN 28553 373 52 . . . 28553 374 1 THE the DT 28553 374 2 CYLINDER CYLINDER NNP 28553 374 3 . . . 28553 375 1 [ [ -LRB- 28553 375 2 Illustration illustration NN 28553 375 3 : : : 28553 375 4 FIG FIG NNP 28553 375 5 . . . 28553 376 1 21.--Diagrammatic 21.--diagrammatic CD 28553 376 2 section section NN 28553 376 3 of of IN 28553 376 4 a a DT 28553 376 5 cylinder cylinder NN 28553 376 6 and and CC 28553 376 7 its -PRON- PRP$ 28553 376 8 slide slide NN 28553 376 9 - - HYPH 28553 376 10 valve valve NN 28553 376 11 . . . 28553 376 12 ] ] -RRB- 28553 377 1 The the DT 28553 377 2 cylinders cylinder NNS 28553 377 3 of of IN 28553 377 4 an an DT 28553 377 5 engine engine NN 28553 377 6 take take VB 28553 377 7 the the DT 28553 377 8 place place NN 28553 377 9 of of IN 28553 377 10 the the DT 28553 377 11 muscular muscular JJ 28553 377 12 system system NN 28553 377 13 of of IN 28553 377 14 the the DT 28553 377 15 human human JJ 28553 377 16 body body NN 28553 377 17 . . . 28553 378 1 In in IN 28553 378 2 Fig Fig NNP 28553 378 3 . . . 28553 379 1 21 21 CD 28553 379 2 we -PRON- PRP 28553 379 3 have have VBP 28553 379 4 a a DT 28553 379 5 cylinder cylinder NN 28553 379 6 and and CC 28553 379 7 its -PRON- PRP$ 28553 379 8 slide slide NN 28553 379 9 - - HYPH 28553 379 10 valve valve NN 28553 379 11 shown show VBN 28553 379 12 in in IN 28553 379 13 section section NN 28553 379 14 . . . 28553 380 1 First first RB 28553 380 2 of of IN 28553 380 3 all all DT 28553 380 4 , , , 28553 380 5 look look VB 28553 380 6 at at IN 28553 380 7 P p NN 28553 380 8 , , , 28553 380 9 the the DT 28553 380 10 piston piston NN 28553 380 11 . . . 28553 381 1 Round round JJ 28553 381 2 it -PRON- PRP 28553 381 3 are be VBP 28553 381 4 white white JJ 28553 381 5 grooves groove NNS 28553 381 6 , , , 28553 381 7 R r NN 28553 381 8 R R NNP 28553 381 9 , , , 28553 381 10 in in IN 28553 381 11 which which WDT 28553 381 12 rings ring NNS 28553 381 13 are be VBP 28553 381 14 fitted fit VBN 28553 381 15 to to TO 28553 381 16 prevent prevent VB 28553 381 17 the the DT 28553 381 18 passage passage NN 28553 381 19 of of IN 28553 381 20 steam steam NN 28553 381 21 past past IN 28553 381 22 the the DT 28553 381 23 piston piston NN 28553 381 24 . . . 28553 382 1 The the DT 28553 382 2 rings ring NNS 28553 382 3 are be VBP 28553 382 4 cut cut VBN 28553 382 5 through through IN 28553 382 6 at at IN 28553 382 7 one one CD 28553 382 8 point point NN 28553 382 9 in in IN 28553 382 10 their -PRON- PRP$ 28553 382 11 circumference circumference NN 28553 382 12 , , , 28553 382 13 and and CC 28553 382 14 slightly slightly RB 28553 382 15 opened open VBN 28553 382 16 , , , 28553 382 17 so so IN 28553 382 18 that that IN 28553 382 19 when when WRB 28553 382 20 in in IN 28553 382 21 position position NN 28553 382 22 they -PRON- PRP 28553 382 23 press press VBP 28553 382 24 all all DT 28553 382 25 round round NN 28553 382 26 against against IN 28553 382 27 the the DT 28553 382 28 walls wall NNS 28553 382 29 of of IN 28553 382 30 the the DT 28553 382 31 cylinder cylinder NN 28553 382 32 . . . 28553 383 1 After after IN 28553 383 2 a a DT 28553 383 3 little little JJ 28553 383 4 use use NN 28553 383 5 they -PRON- PRP 28553 383 6 " " `` 28553 383 7 settle settle VBP 28553 383 8 down down RP 28553 383 9 to to IN 28553 383 10 their -PRON- PRP$ 28553 383 11 work"--that work"--that WDT 28553 383 12 is be VBZ 28553 383 13 , , , 28553 383 14 wear wear VB 28553 383 15 to to IN 28553 383 16 a a DT 28553 383 17 true true JJ 28553 383 18 fit fit NN 28553 383 19 in in IN 28553 383 20 the the DT 28553 383 21 cylinder cylinder NN 28553 383 22 . . . 28553 384 1 Each each DT 28553 384 2 end end NN 28553 384 3 of of IN 28553 384 4 the the DT 28553 384 5 cylinder cylinder NN 28553 384 6 is be VBZ 28553 384 7 closed close VBN 28553 384 8 by by IN 28553 384 9 a a DT 28553 384 10 cover cover NN 28553 384 11 , , , 28553 384 12 one one CD 28553 384 13 of of IN 28553 384 14 which which WDT 28553 384 15 has have VBZ 28553 384 16 a a DT 28553 384 17 boss boss NN 28553 384 18 cast cast VBN 28553 384 19 on on IN 28553 384 20 it -PRON- PRP 28553 384 21 , , , 28553 384 22 pierced pierce VBN 28553 384 23 by by IN 28553 384 24 a a DT 28553 384 25 hole hole NN 28553 384 26 for for IN 28553 384 27 the the DT 28553 384 28 piston piston NN 28553 384 29 rod rod NN 28553 384 30 to to TO 28553 384 31 work work VB 28553 384 32 through through IN 28553 384 33 . . . 28553 385 1 To to TO 28553 385 2 prevent prevent VB 28553 385 3 the the DT 28553 385 4 escape escape NN 28553 385 5 of of IN 28553 385 6 steam steam NN 28553 385 7 the the DT 28553 385 8 boss boss NN 28553 385 9 is be VBZ 28553 385 10 hollowed hollow VBN 28553 385 11 out out RP 28553 385 12 true true JJ 28553 385 13 to to TO 28553 385 14 accommodate accommodate VB 28553 385 15 a a DT 28553 385 16 _ _ NNP 28553 385 17 gland gland NN 28553 385 18 _ _ NNP 28553 385 19 , , , 28553 385 20 G^1 G^1 NNP 28553 385 21 , , , 28553 385 22 which which WDT 28553 385 23 is be VBZ 28553 385 24 threaded thread VBN 28553 385 25 on on IN 28553 385 26 the the DT 28553 385 27 rod rod NN 28553 385 28 and and CC 28553 385 29 screwed screw VBD 28553 385 30 up up RP 28553 385 31 against against IN 28553 385 32 the the DT 28553 385 33 boss boss NN 28553 385 34 ; ; : 28553 385 35 the the DT 28553 385 36 internal internal JJ 28553 385 37 space space NN 28553 385 38 between between IN 28553 385 39 them -PRON- PRP 28553 385 40 being be VBG 28553 385 41 filled fill VBN 28553 385 42 with with IN 28553 385 43 packing packing NN 28553 385 44 . . . 28553 386 1 Steam steam NN 28553 386 2 from from IN 28553 386 3 the the DT 28553 386 4 boiler boiler NN 28553 386 5 enters enter VBZ 28553 386 6 the the DT 28553 386 7 steam steam NN 28553 386 8 - - HYPH 28553 386 9 chest chest NN 28553 386 10 , , , 28553 386 11 and and CC 28553 386 12 would would MD 28553 386 13 have have VB 28553 386 14 access access NN 28553 386 15 to to IN 28553 386 16 both both DT 28553 386 17 sides side NNS 28553 386 18 of of IN 28553 386 19 the the DT 28553 386 20 piston piston NN 28553 386 21 simultaneously simultaneously RB 28553 386 22 through through IN 28553 386 23 the the DT 28553 386 24 steam steam NN 28553 386 25 - - HYPH 28553 386 26 ways way NNS 28553 386 27 , , , 28553 386 28 W W NNP 28553 386 29 W W NNP 28553 386 30 , , , 28553 386 31 were be VBD 28553 386 32 it -PRON- PRP 28553 386 33 not not RB 28553 386 34 for for IN 28553 386 35 the the DT 28553 386 36 SLIDE SLIDE NNP 28553 386 37 - - HYPH 28553 386 38 VALVE VALVE NNP 28553 386 39 , , , 28553 386 40 a a DT 28553 386 41 hollow hollow JJ 28553 386 42 box box NN 28553 386 43 open open JJ 28553 386 44 at at IN 28553 386 45 the the DT 28553 386 46 bottom bottom NN 28553 386 47 , , , 28553 386 48 and and CC 28553 386 49 long long RB 28553 386 50 enough enough RB 28553 386 51 for for IN 28553 386 52 its -PRON- PRP$ 28553 386 53 edges edge NNS 28553 386 54 to to TO 28553 386 55 cover cover VB 28553 386 56 both both DT 28553 386 57 steam steam NN 28553 386 58 - - HYPH 28553 386 59 ways way NNS 28553 386 60 at at IN 28553 386 61 once once RB 28553 386 62 . . . 28553 387 1 Between between IN 28553 387 2 W W NNP 28553 387 3 W W NNP 28553 387 4 is be VBZ 28553 387 5 E e NN 28553 387 6 , , , 28553 387 7 the the DT 28553 387 8 passage passage NN 28553 387 9 for for IN 28553 387 10 the the DT 28553 387 11 exhaust exhaust NN 28553 387 12 steam steam NN 28553 387 13 to to TO 28553 387 14 escape escape VB 28553 387 15 by by RB 28553 387 16 . . . 28553 388 1 The the DT 28553 388 2 edges edge NNS 28553 388 3 of of IN 28553 388 4 the the DT 28553 388 5 slide slide NN 28553 388 6 - - HYPH 28553 388 7 valve valve NN 28553 388 8 are be VBP 28553 388 9 perfectly perfectly RB 28553 388 10 flat flat JJ 28553 388 11 , , , 28553 388 12 as as IN 28553 388 13 is be VBZ 28553 388 14 the the DT 28553 388 15 face face NN 28553 388 16 over over IN 28553 388 17 which which WDT 28553 388 18 the the DT 28553 388 19 valve valve NN 28553 388 20 moves move VBZ 28553 388 21 , , , 28553 388 22 so so IN 28553 388 23 that that IN 28553 388 24 no no DT 28553 388 25 steam steam NN 28553 388 26 may may MD 28553 388 27 pass pass VB 28553 388 28 under under IN 28553 388 29 the the DT 28553 388 30 edges edge NNS 28553 388 31 . . . 28553 389 1 In in IN 28553 389 2 our -PRON- PRP$ 28553 389 3 illustration illustration NN 28553 389 4 the the DT 28553 389 5 piston piston NN 28553 389 6 has have VBZ 28553 389 7 just just RB 28553 389 8 begun begin VBN 28553 389 9 to to TO 28553 389 10 move move VB 28553 389 11 towards towards IN 28553 389 12 the the DT 28553 389 13 right right NN 28553 389 14 . . . 28553 390 1 Steam steam NN 28553 390 2 enters enter VBZ 28553 390 3 by by IN 28553 390 4 the the DT 28553 390 5 left left JJ 28553 390 6 steam steam NN 28553 390 7 - - HYPH 28553 390 8 way way NN 28553 390 9 , , , 28553 390 10 which which WDT 28553 390 11 the the DT 28553 390 12 valve valve NN 28553 390 13 is be VBZ 28553 390 14 just just RB 28553 390 15 commencing commence VBG 28553 390 16 to to TO 28553 390 17 uncover uncover VB 28553 390 18 . . . 28553 391 1 As as IN 28553 391 2 the the DT 28553 391 3 piston piston NN 28553 391 4 moves move VBZ 28553 391 5 , , , 28553 391 6 the the DT 28553 391 7 valve valve NN 28553 391 8 moves move NNS 28553 391 9 in in IN 28553 391 10 the the DT 28553 391 11 same same JJ 28553 391 12 direction direction NN 28553 391 13 until until IN 28553 391 14 the the DT 28553 391 15 port port NN 28553 391 16 is be VBZ 28553 391 17 fully fully RB 28553 391 18 uncovered uncover VBN 28553 391 19 , , , 28553 391 20 when when WRB 28553 391 21 it -PRON- PRP 28553 391 22 begins begin VBZ 28553 391 23 to to TO 28553 391 24 move move VB 28553 391 25 back back RB 28553 391 26 again again RB 28553 391 27 ; ; : 28553 391 28 and and CC 28553 391 29 just just RB 28553 391 30 before before IN 28553 391 31 the the DT 28553 391 32 piston piston NN 28553 391 33 has have VBZ 28553 391 34 finished finish VBN 28553 391 35 its -PRON- PRP$ 28553 391 36 stroke stroke NN 28553 391 37 the the DT 28553 391 38 steam steam NN 28553 391 39 - - HYPH 28553 391 40 way way NN 28553 391 41 on on IN 28553 391 42 the the DT 28553 391 43 right right NN 28553 391 44 begins begin VBZ 28553 391 45 to to TO 28553 391 46 open open VB 28553 391 47 . . . 28553 392 1 The the DT 28553 392 2 steam steam NN 28553 392 3 - - HYPH 28553 392 4 way way NN 28553 392 5 on on IN 28553 392 6 the the DT 28553 392 7 left left NN 28553 392 8 is be VBZ 28553 392 9 now now RB 28553 392 10 in in IN 28553 392 11 communication communication NN 28553 392 12 with with IN 28553 392 13 the the DT 28553 392 14 exhaust exhaust NN 28553 392 15 port port NN 28553 392 16 E e NN 28553 392 17 , , , 28553 392 18 so so IN 28553 392 19 that that IN 28553 392 20 the the DT 28553 392 21 steam steam NN 28553 392 22 that that WDT 28553 392 23 has have VBZ 28553 392 24 done do VBN 28553 392 25 its -PRON- PRP$ 28553 392 26 duty duty NN 28553 392 27 is be VBZ 28553 392 28 released release VBN 28553 392 29 and and CC 28553 392 30 pressed press VBN 28553 392 31 from from IN 28553 392 32 the the DT 28553 392 33 cylinder cylinder NN 28553 392 34 by by IN 28553 392 35 the the DT 28553 392 36 piston piston NN 28553 392 37 . . . 28553 393 1 _ _ NNP 28553 393 2 Reciprocation Reciprocation NNP 28553 393 3 _ _ NNP 28553 393 4 is be VBZ 28553 393 5 this this DT 28553 393 6 backward backward JJ 28553 393 7 and and CC 28553 393 8 forward forward JJ 28553 393 9 motion motion NN 28553 393 10 of of IN 28553 393 11 the the DT 28553 393 12 piston piston NN 28553 393 13 : : : 28553 393 14 hence hence RB 28553 393 15 the the DT 28553 393 16 term term NN 28553 393 17 " " `` 28553 393 18 reciprocating reciprocate VBG 28553 393 19 " " '' 28553 393 20 engines engine NNS 28553 393 21 . . . 28553 394 1 The the DT 28553 394 2 linear linear JJ 28553 394 3 motion motion NN 28553 394 4 of of IN 28553 394 5 the the DT 28553 394 6 piston piston NN 28553 394 7 rod rod NN 28553 394 8 is be VBZ 28553 394 9 converted convert VBN 28553 394 10 into into IN 28553 394 11 rotatory rotatory JJ 28553 394 12 motion motion NN 28553 394 13 by by IN 28553 394 14 the the DT 28553 394 15 connecting connect VBG 28553 394 16 rod rod NN 28553 394 17 and and CC 28553 394 18 crank crank NNP 28553 394 19 . . . 28553 395 1 [ [ -LRB- 28553 395 2 Illustration illustration NN 28553 395 3 : : : 28553 395 4 FIG FIG NNP 28553 395 5 . . . 28553 396 1 22.--Perspective 22.--perspective CD 28553 396 2 section section NN 28553 396 3 of of IN 28553 396 4 cylinder cylinder NN 28553 396 5 . . . 28553 396 6 ] ] -RRB- 28553 397 1 The the DT 28553 397 2 use use NN 28553 397 3 of of IN 28553 397 4 a a DT 28553 397 5 crank crank NN 28553 397 6 appears appear VBZ 28553 397 7 to to TO 28553 397 8 be be VB 28553 397 9 so so RB 28553 397 10 obvious obvious JJ 28553 397 11 a a DT 28553 397 12 method method NN 28553 397 13 of of IN 28553 397 14 producing produce VBG 28553 397 15 this this DT 28553 397 16 conversion conversion NN 28553 397 17 that that IN 28553 397 18 it -PRON- PRP 28553 397 19 is be VBZ 28553 397 20 interesting interesting JJ 28553 397 21 to to TO 28553 397 22 learn learn VB 28553 397 23 that that DT 28553 397 24 , , , 28553 397 25 when when WRB 28553 397 26 James James NNP 28553 397 27 Watt Watt NNP 28553 397 28 produced produce VBD 28553 397 29 his -PRON- PRP$ 28553 397 30 " " `` 28553 397 31 rotative rotative JJ 28553 397 32 engine engine NN 28553 397 33 " " '' 28553 397 34 in in IN 28553 397 35 1780 1780 CD 28553 397 36 he -PRON- PRP 28553 397 37 was be VBD 28553 397 38 unable unable JJ 28553 397 39 to to TO 28553 397 40 use use VB 28553 397 41 the the DT 28553 397 42 crank crank NN 28553 397 43 because because IN 28553 397 44 it -PRON- PRP 28553 397 45 had have VBD 28553 397 46 already already RB 28553 397 47 been be VBN 28553 397 48 patented patent VBN 28553 397 49 by by IN 28553 397 50 one one CD 28553 397 51 Matthew Matthew NNP 28553 397 52 Wasborough Wasborough NNP 28553 397 53 . . . 28553 398 1 Watt Watt NNP 28553 398 2 was be VBD 28553 398 3 not not RB 28553 398 4 easily easily RB 28553 398 5 daunted daunt VBN 28553 398 6 , , , 28553 398 7 however however RB 28553 398 8 , , , 28553 398 9 and and CC 28553 398 10 within within IN 28553 398 11 a a DT 28553 398 12 twelvemonth twelvemonth NN 28553 398 13 had have VBD 28553 398 14 himself -PRON- PRP 28553 398 15 patented patent VBN 28553 398 16 five five CD 28553 398 17 other other JJ 28553 398 18 devices device NNS 28553 398 19 for for IN 28553 398 20 obtaining obtain VBG 28553 398 21 rotatory rotatory JJ 28553 398 22 motion motion NN 28553 398 23 from from IN 28553 398 24 a a DT 28553 398 25 piston piston NN 28553 398 26 rod rod NN 28553 398 27 . . . 28553 399 1 Before before IN 28553 399 2 passing pass VBG 28553 399 3 on on RP 28553 399 4 , , , 28553 399 5 it -PRON- PRP 28553 399 6 may may MD 28553 399 7 be be VB 28553 399 8 mentioned mention VBN 28553 399 9 that that IN 28553 399 10 Watt Watt NNP 28553 399 11 was be VBD 28553 399 12 the the DT 28553 399 13 father father NN 28553 399 14 of of IN 28553 399 15 the the DT 28553 399 16 modern modern JJ 28553 399 17 -- -- : 28553 399 18 that that RB 28553 399 19 is is RB 28553 399 20 , , , 28553 399 21 the the DT 28553 399 22 high high JJ 28553 399 23 - - HYPH 28553 399 24 pressure pressure NN 28553 399 25 -- -- : 28553 399 26 steam steam NN 28553 399 27 - - HYPH 28553 399 28 engine engine NN 28553 399 29 ; ; : 28553 399 30 and and CC 28553 399 31 that that IN 28553 399 32 , , , 28553 399 33 owing owe VBG 28553 399 34 to to IN 28553 399 35 the the DT 28553 399 36 imperfection imperfection NN 28553 399 37 of of IN 28553 399 38 the the DT 28553 399 39 existing exist VBG 28553 399 40 machinery machinery NN 28553 399 41 , , , 28553 399 42 the the DT 28553 399 43 difficulties difficulty NNS 28553 399 44 he -PRON- PRP 28553 399 45 had have VBD 28553 399 46 to to TO 28553 399 47 overcome overcome VB 28553 399 48 were be VBD 28553 399 49 enormous enormous JJ 28553 399 50 . . . 28553 400 1 On on IN 28553 400 2 one one CD 28553 400 3 occasion occasion NN 28553 400 4 he -PRON- PRP 28553 400 5 congratulated congratulate VBD 28553 400 6 himself -PRON- PRP 28553 400 7 because because IN 28553 400 8 one one CD 28553 400 9 of of IN 28553 400 10 his -PRON- PRP$ 28553 400 11 steam steam NN 28553 400 12 - - HYPH 28553 400 13 cylinders cylinder NNS 28553 400 14 was be VBD 28553 400 15 only only RB 28553 400 16 three three CD 28553 400 17 - - HYPH 28553 400 18 eighths eighth NNS 28553 400 19 of of IN 28553 400 20 an an DT 28553 400 21 inch inch NN 28553 400 22 out out IN 28553 400 23 of of IN 28553 400 24 truth truth NN 28553 400 25 in in IN 28553 400 26 the the DT 28553 400 27 bore bore NN 28553 400 28 . . . 28553 401 1 Nowadays nowadays RB 28553 401 2 a a DT 28553 401 3 good good JJ 28553 401 4 firm firm NN 28553 401 5 would would MD 28553 401 6 reject reject VB 28553 401 7 a a DT 28553 401 8 cylinder cylinder NN 28553 401 9 1/500 1/500 CD 28553 401 10 of of IN 28553 401 11 an an DT 28553 401 12 inch inch NN 28553 401 13 out out IN 28553 401 14 of of IN 28553 401 15 truth truth NN 28553 401 16 ; ; , 28553 401 17 and and CC 28553 401 18 in in IN 28553 401 19 small small JJ 28553 401 20 petrol petrol NN 28553 401 21 - - HYPH 28553 401 22 engines engine NNS 28553 401 23 1/5000 1/5000 CD 28553 401 24 of of IN 28553 401 25 an an DT 28553 401 26 inch inch NN 28553 401 27 is be VBZ 28553 401 28 sometimes sometimes RB 28553 401 29 the the DT 28553 401 30 greatest great JJS 28553 401 31 " " `` 28553 401 32 limit limit NN 28553 401 33 of of IN 28553 401 34 error error NN 28553 401 35 " " '' 28553 401 36 allowed allow VBN 28553 401 37 . . . 28553 402 1 [ [ -LRB- 28553 402 2 Illustration illustration NN 28553 402 3 : : : 28553 402 4 FIG FIG NNP 28553 402 5 . . . 28553 403 1 23.--The 23.--the CD 28553 403 2 eccentric eccentric JJ 28553 403 3 and and CC 28553 403 4 its -PRON- PRP$ 28553 403 5 rod rod NN 28553 403 6 . . . 28553 403 7 ] ] -RRB- 28553 404 1 THE the DT 28553 404 2 ECCENTRIC ECCENTRIC NNP 28553 404 3 is be VBZ 28553 404 4 used use VBN 28553 404 5 to to TO 28553 404 6 move move VB 28553 404 7 the the DT 28553 404 8 slide slide NN 28553 404 9 - - HYPH 28553 404 10 valve valve NN 28553 404 11 to to IN 28553 404 12 and and CC 28553 404 13 fro fro NNP 28553 404 14 over over IN 28553 404 15 the the DT 28553 404 16 steam steam NN 28553 404 17 ports port NNS 28553 404 18 ( ( -LRB- 28553 404 19 Fig fig NN 28553 404 20 . . . 28553 405 1 23 23 CD 28553 405 2 ) ) -RRB- 28553 405 3 . . . 28553 406 1 It -PRON- PRP 28553 406 2 consists consist VBZ 28553 406 3 of of IN 28553 406 4 three three CD 28553 406 5 main main JJ 28553 406 6 parts part NNS 28553 406 7 -- -- : 28553 406 8 the the DT 28553 406 9 _ _ NNP 28553 406 10 sheave sheave NNP 28553 406 11 _ _ NNP 28553 406 12 , , , 28553 406 13 or or CC 28553 406 14 circular circular JJ 28553 406 15 plate plate NN 28553 406 16 S S NNP 28553 406 17 , , , 28553 406 18 mounted mount VBD 28553 406 19 on on IN 28553 406 20 the the DT 28553 406 21 crank crank NN 28553 406 22 shaft shaft NN 28553 406 23 ; ; : 28553 406 24 and and CC 28553 406 25 the the DT 28553 406 26 two two CD 28553 406 27 _ _ NNP 28553 406 28 straps strap NNS 28553 406 29 _ _ NNP 28553 406 30 which which WDT 28553 406 31 encircle encircle VBP 28553 406 32 it -PRON- PRP 28553 406 33 , , , 28553 406 34 and and CC 28553 406 35 in in IN 28553 406 36 which which WDT 28553 406 37 it -PRON- PRP 28553 406 38 revolves revolve VBZ 28553 406 39 . . . 28553 407 1 To to IN 28553 407 2 one one CD 28553 407 3 strap strap NN 28553 407 4 is be VBZ 28553 407 5 bolted bolt VBN 28553 407 6 the the DT 28553 407 7 " " `` 28553 407 8 big big JJ 28553 407 9 end end NN 28553 407 10 " " '' 28553 407 11 of of IN 28553 407 12 the the DT 28553 407 13 eccentric eccentric JJ 28553 407 14 rod rod NN 28553 407 15 , , , 28553 407 16 which which WDT 28553 407 17 engages engage VBZ 28553 407 18 at at IN 28553 407 19 its -PRON- PRP$ 28553 407 20 other other JJ 28553 407 21 end end NN 28553 407 22 with with IN 28553 407 23 the the DT 28553 407 24 valve valve NN 28553 407 25 rod rod NN 28553 407 26 . . . 28553 408 1 The the DT 28553 408 2 straps strap NNS 28553 408 3 are be VBP 28553 408 4 semicircular semicircular JJ 28553 408 5 and and CC 28553 408 6 held hold VBN 28553 408 7 together together RB 28553 408 8 by by IN 28553 408 9 strong strong JJ 28553 408 10 bolts bolt NNS 28553 408 11 , , , 28553 408 12 B B NNP 28553 408 13 B B NNP 28553 408 14 , , , 28553 408 15 passing pass VBG 28553 408 16 through through IN 28553 408 17 lugs lug NNS 28553 408 18 , , , 28553 408 19 or or CC 28553 408 20 thickenings thickening NNS 28553 408 21 at at IN 28553 408 22 the the DT 28553 408 23 ends end NNS 28553 408 24 of of IN 28553 408 25 the the DT 28553 408 26 semicircles semicircle NNS 28553 408 27 . . . 28553 409 1 The the DT 28553 409 2 sheave sheave NN 28553 409 3 has have VBZ 28553 409 4 a a DT 28553 409 5 deep deep JJ 28553 409 6 groove groove NN 28553 409 7 all all DT 28553 409 8 round round IN 28553 409 9 the the DT 28553 409 10 edges edge NNS 28553 409 11 , , , 28553 409 12 in in IN 28553 409 13 which which WDT 28553 409 14 the the DT 28553 409 15 straps strap NNS 28553 409 16 ride ride VBP 28553 409 17 . . . 28553 410 1 The the DT 28553 410 2 " " `` 28553 410 3 eccentricity eccentricity NN 28553 410 4 " " '' 28553 410 5 or or CC 28553 410 6 " " `` 28553 410 7 throw throw VB 28553 410 8 " " '' 28553 410 9 of of IN 28553 410 10 an an DT 28553 410 11 eccentric eccentric NN 28553 410 12 is be VBZ 28553 410 13 the the DT 28553 410 14 distance distance NN 28553 410 15 between between IN 28553 410 16 C^2 C^2 NNP 28553 410 17 , , , 28553 410 18 the the DT 28553 410 19 centre centre NN 28553 410 20 of of IN 28553 410 21 the the DT 28553 410 22 shaft shaft NN 28553 410 23 , , , 28553 410 24 and and CC 28553 410 25 C^1 C^1 NNP 28553 410 26 , , , 28553 410 27 the the DT 28553 410 28 centre centre NN 28553 410 29 of of IN 28553 410 30 the the DT 28553 410 31 sheave sheave NN 28553 410 32 . . . 28553 411 1 The the DT 28553 411 2 throw throw NN 28553 411 3 must must MD 28553 411 4 equal equal VB 28553 411 5 half half NN 28553 411 6 of of IN 28553 411 7 the the DT 28553 411 8 distance distance NN 28553 411 9 which which WDT 28553 411 10 the the DT 28553 411 11 slide slide NN 28553 411 12 - - HYPH 28553 411 13 valve valve NN 28553 411 14 has have VBZ 28553 411 15 to to TO 28553 411 16 travel travel VB 28553 411 17 over over IN 28553 411 18 the the DT 28553 411 19 steam steam NN 28553 411 20 ports port NNS 28553 411 21 . . . 28553 412 1 A a DT 28553 412 2 tapering tapering JJ 28553 412 3 steel steel NN 28553 412 4 wedge wedge NN 28553 412 5 or or CC 28553 412 6 key key NN 28553 412 7 , , , 28553 412 8 K K NNP 28553 412 9 , , , 28553 412 10 sunk sink VBN 28553 412 11 half half NN 28553 412 12 in in IN 28553 412 13 the the DT 28553 412 14 eccentric eccentric JJ 28553 412 15 and and CC 28553 412 16 half half NN 28553 412 17 in in IN 28553 412 18 a a DT 28553 412 19 slot slot NN 28553 412 20 in in IN 28553 412 21 the the DT 28553 412 22 shaft shaft NN 28553 412 23 , , , 28553 412 24 holds hold VBZ 28553 412 25 the the DT 28553 412 26 eccentric eccentric JJ 28553 412 27 steady steady JJ 28553 412 28 and and CC 28553 412 29 prevents prevent VBZ 28553 412 30 it -PRON- PRP 28553 412 31 slipping slip VBG 28553 412 32 . . . 28553 413 1 Some some DT 28553 413 2 eccentric eccentric JJ 28553 413 3 sheaves sheaf NNS 28553 413 4 are be VBP 28553 413 5 made make VBN 28553 413 6 in in IN 28553 413 7 two two CD 28553 413 8 parts part NNS 28553 413 9 , , , 28553 413 10 bolted bolt VBN 28553 413 11 together together RB 28553 413 12 , , , 28553 413 13 so so IN 28553 413 14 that that IN 28553 413 15 they -PRON- PRP 28553 413 16 may may MD 28553 413 17 be be VB 28553 413 18 removed remove VBN 28553 413 19 easily easily RB 28553 413 20 without without IN 28553 413 21 dismounting dismount VBG 28553 413 22 the the DT 28553 413 23 shaft shaft NN 28553 413 24 . . . 28553 414 1 The the DT 28553 414 2 eccentric eccentric JJ 28553 414 3 is be VBZ 28553 414 4 in in IN 28553 414 5 principle principle NN 28553 414 6 nothing nothing NN 28553 414 7 more more JJR 28553 414 8 than than IN 28553 414 9 a a DT 28553 414 10 crank crank NN 28553 414 11 pin pin NN 28553 414 12 so so RB 28553 414 13 exaggerated exaggerate VBD 28553 414 14 as as IN 28553 414 15 to to TO 28553 414 16 be be VB 28553 414 17 larger large JJR 28553 414 18 than than IN 28553 414 19 the the DT 28553 414 20 shaft shaft NN 28553 414 21 of of IN 28553 414 22 the the DT 28553 414 23 crank crank NN 28553 414 24 . . . 28553 415 1 Its -PRON- PRP$ 28553 415 2 convenience convenience NN 28553 415 3 lies lie VBZ 28553 415 4 in in IN 28553 415 5 the the DT 28553 415 6 fact fact NN 28553 415 7 that that IN 28553 415 8 it -PRON- PRP 28553 415 9 may may MD 28553 415 10 be be VB 28553 415 11 mounted mount VBN 28553 415 12 at at IN 28553 415 13 any any DT 28553 415 14 point point NN 28553 415 15 on on IN 28553 415 16 a a DT 28553 415 17 shaft shaft NN 28553 415 18 , , , 28553 415 19 whereas whereas IN 28553 415 20 a a DT 28553 415 21 crank crank NN 28553 415 22 can can MD 28553 415 23 be be VB 28553 415 24 situated situate VBN 28553 415 25 at at IN 28553 415 26 an an DT 28553 415 27 end end NN 28553 415 28 only only RB 28553 415 29 , , , 28553 415 30 if if IN 28553 415 31 it -PRON- PRP 28553 415 32 is be VBZ 28553 415 33 not not RB 28553 415 34 actually actually RB 28553 415 35 a a DT 28553 415 36 V v NN 28553 415 37 - - HYPH 28553 415 38 shaped shaped JJ 28553 415 39 bend bend NN 28553 415 40 in in IN 28553 415 41 the the DT 28553 415 42 shaft shaft NN 28553 415 43 itself -PRON- PRP 28553 415 44 -- -- : 28553 415 45 in in IN 28553 415 46 which which WDT 28553 415 47 case case NN 28553 415 48 its -PRON- PRP$ 28553 415 49 position position NN 28553 415 50 is be VBZ 28553 415 51 of of IN 28553 415 52 course course NN 28553 415 53 permanent permanent JJ 28553 415 54 . . . 28553 416 1 SETTING setting NN 28553 416 2 OF of IN 28553 416 3 THE the DT 28553 416 4 SLIDE SLIDE NNP 28553 416 5 - - HYPH 28553 416 6 VALVE VALVE NNP 28553 416 7 AND and CC 28553 416 8 ECCENTRIC eccentric NN 28553 416 9 . . . 28553 417 1 The the DT 28553 417 2 subject subject NN 28553 417 3 of of IN 28553 417 4 valve valve NN 28553 417 5 - - HYPH 28553 417 6 setting setting NN 28553 417 7 is be VBZ 28553 417 8 so so RB 28553 417 9 extensive extensive JJ 28553 417 10 that that IN 28553 417 11 a a DT 28553 417 12 full full JJ 28553 417 13 exposition exposition NN 28553 417 14 might may MD 28553 417 15 weary weary VB 28553 417 16 the the DT 28553 417 17 reader reader NN 28553 417 18 , , , 28553 417 19 even even RB 28553 417 20 if if IN 28553 417 21 space space NN 28553 417 22 permitted permit VBD 28553 417 23 its -PRON- PRP$ 28553 417 24 inclusion inclusion NN 28553 417 25 . . . 28553 418 1 But but CC 28553 418 2 inasmuch inasmuch VB 28553 418 3 as as IN 28553 418 4 the the DT 28553 418 5 effectiveness effectiveness NN 28553 418 6 of of IN 28553 418 7 a a DT 28553 418 8 reciprocating reciprocate VBG 28553 418 9 engine engine NN 28553 418 10 depends depend VBZ 28553 418 11 largely largely RB 28553 418 12 on on IN 28553 418 13 the the DT 28553 418 14 nature nature NN 28553 418 15 and and CC 28553 418 16 arrangement arrangement NN 28553 418 17 of of IN 28553 418 18 the the DT 28553 418 19 valves valve NNS 28553 418 20 , , , 28553 418 21 we -PRON- PRP 28553 418 22 will will MD 28553 418 23 glance glance VB 28553 418 24 at at IN 28553 418 25 some some DT 28553 418 26 of of IN 28553 418 27 the the DT 28553 418 28 more more RBR 28553 418 29 elementary elementary JJ 28553 418 30 principles principle NNS 28553 418 31 . . . 28553 419 1 [ [ -LRB- 28553 419 2 Illustration illustration NN 28553 419 3 : : : 28553 419 4 FIG FIG NNP 28553 419 5 . . . 28553 420 1 24 24 CD 28553 420 2 . . . 28553 420 3 ] ] -RRB- 28553 421 1 [ [ -LRB- 28553 421 2 Illustration illustration NN 28553 421 3 : : : 28553 421 4 FIG FIG NNP 28553 421 5 . . . 28553 422 1 25 25 CD 28553 422 2 . . . 28553 422 3 ] ] -RRB- 28553 423 1 In in IN 28553 423 2 Fig Fig NNP 28553 423 3 . . . 28553 424 1 24 24 CD 28553 424 2 we -PRON- PRP 28553 424 3 see see VBP 28553 424 4 in in IN 28553 424 5 section section NN 28553 424 6 the the DT 28553 424 7 slide slide NN 28553 424 8 - - HYPH 28553 424 9 valve valve NN 28553 424 10 , , , 28553 424 11 the the DT 28553 424 12 ports port NNS 28553 424 13 of of IN 28553 424 14 the the DT 28553 424 15 cylinder cylinder NN 28553 424 16 , , , 28553 424 17 and and CC 28553 424 18 part part NN 28553 424 19 of of IN 28553 424 20 the the DT 28553 424 21 piston piston NN 28553 424 22 . . . 28553 425 1 To to IN 28553 425 2 the the DT 28553 425 3 right right NN 28553 425 4 are be VBP 28553 425 5 two two CD 28553 425 6 lines line NNS 28553 425 7 at at IN 28553 425 8 right right JJ 28553 425 9 angles angle NNS 28553 425 10 -- -- : 28553 425 11 the the DT 28553 425 12 thicker thick JJR 28553 425 13 , , , 28553 425 14 C C NNP 28553 425 15 , , , 28553 425 16 representing represent VBG 28553 425 17 the the DT 28553 425 18 position position NN 28553 425 19 of of IN 28553 425 20 the the DT 28553 425 21 crank crank NN 28553 425 22 ; ; : 28553 425 23 the the DT 28553 425 24 thinner thin JJR 28553 425 25 , , , 28553 425 26 E e NN 28553 425 27 , , , 28553 425 28 that that DT 28553 425 29 of of IN 28553 425 30 the the DT 28553 425 31 eccentric eccentric NN 28553 425 32 . . . 28553 426 1 ( ( -LRB- 28553 426 2 The the DT 28553 426 3 position position NN 28553 426 4 of of IN 28553 426 5 an an DT 28553 426 6 eccentric eccentric JJ 28553 426 7 is be VBZ 28553 426 8 denoted denote VBN 28553 426 9 diagrammatically diagrammatically RB 28553 426 10 by by IN 28553 426 11 a a DT 28553 426 12 line line NN 28553 426 13 drawn draw VBN 28553 426 14 from from IN 28553 426 15 the the DT 28553 426 16 centre centre NN 28553 426 17 of of IN 28553 426 18 the the DT 28553 426 19 crank crank NN 28553 426 20 shaft shaft NN 28553 426 21 through through IN 28553 426 22 the the DT 28553 426 23 centre centre NN 28553 426 24 of of IN 28553 426 25 the the DT 28553 426 26 sheave sheave NN 28553 426 27 . . . 28553 426 28 ) ) -RRB- 28553 427 1 The the DT 28553 427 2 edges edge NNS 28553 427 3 of of IN 28553 427 4 the the DT 28553 427 5 valve valve NN 28553 427 6 are be VBP 28553 427 7 in in IN 28553 427 8 this this DT 28553 427 9 case case NN 28553 427 10 only only RB 28553 427 11 broad broad JJ 28553 427 12 enough enough RB 28553 427 13 to to TO 28553 427 14 just just RB 28553 427 15 cover cover VB 28553 427 16 the the DT 28553 427 17 ports port NNS 28553 427 18 -- -- : 28553 427 19 that that RB 28553 427 20 is is RB 28553 427 21 , , , 28553 427 22 they -PRON- PRP 28553 427 23 have have VBP 28553 427 24 no no DT 28553 427 25 _ _ NNP 28553 427 26 lap lap NN 28553 427 27 _ _ NNP 28553 427 28 . . . 28553 428 1 The the DT 28553 428 2 piston piston NN 28553 428 3 is be VBZ 28553 428 4 about about JJ 28553 428 5 to to TO 28553 428 6 commence commence VB 28553 428 7 its -PRON- PRP$ 28553 428 8 stroke stroke NN 28553 428 9 towards towards IN 28553 428 10 the the DT 28553 428 11 left left NN 28553 428 12 ; ; : 28553 428 13 and and CC 28553 428 14 the the DT 28553 428 15 eccentric eccentric JJ 28553 428 16 , , , 28553 428 17 which which WDT 28553 428 18 is be VBZ 28553 428 19 set set VBN 28553 428 20 at at IN 28553 428 21 an an DT 28553 428 22 angle angle NN 28553 428 23 of of IN 28553 428 24 90 90 CD 28553 428 25 ° ° NNS 28553 428 26 in in IN 28553 428 27 _ _ NNP 28553 428 28 advance advance NN 28553 428 29 _ _ NNP 28553 428 30 of of IN 28553 428 31 the the DT 28553 428 32 crank crank NN 28553 428 33 , , , 28553 428 34 is be VBZ 28553 428 35 about about JJ 28553 428 36 to to TO 28553 428 37 begin begin VB 28553 428 38 opening open VBG 28553 428 39 the the DT 28553 428 40 left left JJ 28553 428 41 - - HYPH 28553 428 42 hand hand NN 28553 428 43 port port NN 28553 428 44 . . . 28553 429 1 By by IN 28553 429 2 the the DT 28553 429 3 time time NN 28553 429 4 that that WDT 28553 429 5 C C NNP 28553 429 6 has have VBZ 28553 429 7 got get VBN 28553 429 8 to to IN 28553 429 9 the the DT 28553 429 10 position position NN 28553 429 11 originally originally RB 28553 429 12 occupied occupy VBN 28553 429 13 by by IN 28553 429 14 E e NN 28553 429 15 , , , 28553 429 16 E e NN 28553 429 17 will will MD 28553 429 18 be be VB 28553 429 19 horizontal horizontal JJ 28553 429 20 ( ( -LRB- 28553 429 21 Fig fig NN 28553 429 22 . . . 28553 430 1 25)--that 25)--that CD 28553 430 2 is be VBZ 28553 430 3 , , , 28553 430 4 the the DT 28553 430 5 eccentric eccentric JJ 28553 430 6 will will MD 28553 430 7 have have VB 28553 430 8 finished finish VBN 28553 430 9 its -PRON- PRP$ 28553 430 10 stroke stroke NN 28553 430 11 towards towards IN 28553 430 12 the the DT 28553 430 13 left left NN 28553 430 14 ; ; : 28553 430 15 and and CC 28553 430 16 while while IN 28553 430 17 C C NNP 28553 430 18 passes pass VBZ 28553 430 19 through through IN 28553 430 20 the the DT 28553 430 21 next next JJ 28553 430 22 right right JJ 28553 430 23 angle angle NN 28553 430 24 the the DT 28553 430 25 valve valve NN 28553 430 26 will will MD 28553 430 27 be be VB 28553 430 28 closing close VBG 28553 430 29 the the DT 28553 430 30 left left JJ 28553 430 31 port port NN 28553 430 32 , , , 28553 430 33 which which WDT 28553 430 34 will will MD 28553 430 35 cease cease VB 28553 430 36 to to TO 28553 430 37 admit admit VB 28553 430 38 steam steam NN 28553 430 39 when when WRB 28553 430 40 the the DT 28553 430 41 piston piston NN 28553 430 42 has have VBZ 28553 430 43 come come VBN 28553 430 44 to to IN 28553 430 45 the the DT 28553 430 46 end end NN 28553 430 47 of of IN 28553 430 48 its -PRON- PRP$ 28553 430 49 travel travel NN 28553 430 50 . . . 28553 431 1 The the DT 28553 431 2 operation operation NN 28553 431 3 is be VBZ 28553 431 4 repeated repeat VBN 28553 431 5 on on IN 28553 431 6 the the DT 28553 431 7 right right JJ 28553 431 8 - - HYPH 28553 431 9 hand hand NN 28553 431 10 side side NN 28553 431 11 while while IN 28553 431 12 the the DT 28553 431 13 piston piston NN 28553 431 14 returns return NNS 28553 431 15 . . . 28553 432 1 [ [ -LRB- 28553 432 2 Illustration illustration NN 28553 432 3 : : : 28553 432 4 FIG FIG NNP 28553 432 5 . . . 28553 433 1 26 26 CD 28553 433 2 . . . 28553 433 3 ] ] -RRB- 28553 434 1 It -PRON- PRP 28553 434 2 must must MD 28553 434 3 be be VB 28553 434 4 noticed notice VBN 28553 434 5 here--(1 here--(1 LS 28553 434 6 ) ) -RRB- 28553 434 7 that that DT 28553 434 8 steam steam NN 28553 434 9 is be VBZ 28553 434 10 admitted admit VBN 28553 434 11 at at IN 28553 434 12 full full JJ 28553 434 13 pressure pressure NN 28553 434 14 _ _ NNP 28553 434 15 all all RB 28553 434 16 through through IN 28553 434 17 _ _ NNP 28553 434 18 the the DT 28553 434 19 stroke stroke NN 28553 434 20 ; ; : 28553 434 21 ( ( -LRB- 28553 434 22 2 2 LS 28553 434 23 ) ) -RRB- 28553 434 24 that that IN 28553 434 25 admission admission NN 28553 434 26 begins begin VBZ 28553 434 27 and and CC 28553 434 28 ends end VBZ 28553 434 29 simultaneously simultaneously RB 28553 434 30 with with IN 28553 434 31 the the DT 28553 434 32 stroke stroke NN 28553 434 33 . . . 28553 435 1 Now now RB 28553 435 2 , , , 28553 435 3 in in IN 28553 435 4 actual actual JJ 28553 435 5 practice practice NN 28553 435 6 it -PRON- PRP 28553 435 7 is be VBZ 28553 435 8 necessary necessary JJ 28553 435 9 to to TO 28553 435 10 admit admit VB 28553 435 11 steam steam NN 28553 435 12 before before IN 28553 435 13 the the DT 28553 435 14 piston piston NN 28553 435 15 has have VBZ 28553 435 16 ended end VBN 28553 435 17 its -PRON- PRP$ 28553 435 18 travel travel NN 28553 435 19 , , , 28553 435 20 so so IN 28553 435 21 as as IN 28553 435 22 to to IN 28553 435 23 _ _ NNP 28553 435 24 cushion cushion NN 28553 435 25 _ _ IN 28553 435 26 the the DT 28553 435 27 violence violence NN 28553 435 28 of of IN 28553 435 29 the the DT 28553 435 30 sudden sudden JJ 28553 435 31 change change NN 28553 435 32 of of IN 28553 435 33 direction direction NN 28553 435 34 of of IN 28553 435 35 the the DT 28553 435 36 piston piston NN 28553 435 37 , , , 28553 435 38 its -PRON- PRP$ 28553 435 39 rod rod NN 28553 435 40 , , , 28553 435 41 and and CC 28553 435 42 other other JJ 28553 435 43 moving move VBG 28553 435 44 parts part NNS 28553 435 45 . . . 28553 436 1 To to TO 28553 436 2 effect effect VB 28553 436 3 this this DT 28553 436 4 , , , 28553 436 5 the the DT 28553 436 6 eccentric eccentric NN 28553 436 7 is be VBZ 28553 436 8 set set VBN 28553 436 9 more more JJR 28553 436 10 than than IN 28553 436 11 90 90 CD 28553 436 12 ° ° NNS 28553 436 13 in in IN 28553 436 14 advance advance NN 28553 436 15 -- -- : 28553 436 16 that that RB 28553 436 17 is is RB 28553 436 18 , , , 28553 436 19 more more JJR 28553 436 20 than than IN 28553 436 21 what what WP 28553 436 22 the the DT 28553 436 23 engineers engineer NNS 28553 436 24 call call VBP 28553 436 25 _ _ NNP 28553 436 26 square square NN 28553 436 27 _ _ NNP 28553 436 28 . . . 28553 437 1 Fig fig NN 28553 437 2 . . . 28553 438 1 26 26 CD 28553 438 2 shows show VBZ 28553 438 3 such such PDT 28553 438 4 an an DT 28553 438 5 arrangement arrangement NN 28553 438 6 . . . 28553 439 1 The the DT 28553 439 2 angle angle NN 28553 439 3 between between IN 28553 439 4 E e NN 28553 439 5 and and CC 28553 439 6 E^1 E^1 NNP 28553 439 7 is be VBZ 28553 439 8 called call VBN 28553 439 9 the the DT 28553 439 10 _ _ NNP 28553 439 11 angle angle NN 28553 439 12 of of IN 28553 439 13 advance advance NN 28553 439 14 _ _ NNP 28553 439 15 . . . 28553 440 1 Referring refer VBG 28553 440 2 to to IN 28553 440 3 the the DT 28553 440 4 valve valve NN 28553 440 5 , , , 28553 440 6 you -PRON- PRP 28553 440 7 will will MD 28553 440 8 see see VB 28553 440 9 that that IN 28553 440 10 it -PRON- PRP 28553 440 11 has have VBZ 28553 440 12 opened open VBN 28553 440 13 an an DT 28553 440 14 appreciable appreciable JJ 28553 440 15 amount amount NN 28553 440 16 , , , 28553 440 17 though though IN 28553 440 18 the the DT 28553 440 19 piston piston NN 28553 440 20 has have VBZ 28553 440 21 not not RB 28553 440 22 yet yet RB 28553 440 23 started start VBN 28553 440 24 on on IN 28553 440 25 its -PRON- PRP$ 28553 440 26 rightwards rightwards JJ 28553 440 27 journey journey NN 28553 440 28 . . . 28553 441 1 " " `` 28553 441 2 LAP LAP NNP 28553 441 3 " " '' 28553 441 4 OF of IN 28553 441 5 THE the DT 28553 441 6 VALVE valve NN 28553 441 7 -- -- : 28553 441 8 EXPANSION expansion NN 28553 441 9 OF of IN 28553 441 10 STEAM STEAM NNP 28553 441 11 . . . 28553 442 1 In in IN 28553 442 2 the the DT 28553 442 3 simple simple JJ 28553 442 4 form form NN 28553 442 5 of of IN 28553 442 6 valve valve NN 28553 442 7 that that WDT 28553 442 8 appears appear VBZ 28553 442 9 in in IN 28553 442 10 Fig Fig NNP 28553 442 11 . . . 28553 443 1 24 24 CD 28553 443 2 , , , 28553 443 3 the the DT 28553 443 4 valve valve NN 28553 443 5 faces face NNS 28553 443 6 are be VBP 28553 443 7 just just RB 28553 443 8 wide wide JJ 28553 443 9 enough enough RB 28553 443 10 to to TO 28553 443 11 cover cover VB 28553 443 12 the the DT 28553 443 13 steam steam NN 28553 443 14 ports port NNS 28553 443 15 . . . 28553 444 1 If if IN 28553 444 2 the the DT 28553 444 3 eccentric eccentric NN 28553 444 4 is be VBZ 28553 444 5 not not RB 28553 444 6 _ _ NNP 28553 444 7 square square NN 28553 444 8 _ _ NNP 28553 444 9 with with IN 28553 444 10 the the DT 28553 444 11 crank crank NN 28553 444 12 , , , 28553 444 13 the the DT 28553 444 14 admission admission NN 28553 444 15 of of IN 28553 444 16 steam steam NN 28553 444 17 lasts last VBZ 28553 444 18 until until IN 28553 444 19 the the DT 28553 444 20 very very JJ 28553 444 21 end end NN 28553 444 22 of of IN 28553 444 23 the the DT 28553 444 24 stroke stroke NN 28553 444 25 ; ; : 28553 444 26 if if IN 28553 444 27 set set VB 28553 444 28 a a DT 28553 444 29 little little JJ 28553 444 30 in in IN 28553 444 31 advance advance NN 28553 444 32 -- -- : 28553 444 33 that that RB 28553 444 34 is is RB 28553 444 35 , , , 28553 444 36 given give VBN 28553 444 37 _ _ NNP 28553 444 38 lead_--the lead_--the DT 28553 444 39 steam steam NN 28553 444 40 is be VBZ 28553 444 41 cut cut VBN 28553 444 42 off off RP 28553 444 43 before before IN 28553 444 44 the the DT 28553 444 45 piston piston NN 28553 444 46 has have VBZ 28553 444 47 travelled travel VBN 28553 444 48 quite quite RB 28553 444 49 along along IN 28553 444 50 the the DT 28553 444 51 cylinder cylinder NN 28553 444 52 , , , 28553 444 53 and and CC 28553 444 54 readmitted readmitte VBN 28553 444 55 before before IN 28553 444 56 the the DT 28553 444 57 back back JJ 28553 444 58 stroke stroke NN 28553 444 59 is be VBZ 28553 444 60 accomplished accomplish VBN 28553 444 61 . . . 28553 445 1 Even even RB 28553 445 2 with with IN 28553 445 3 this this DT 28553 445 4 lead lead NN 28553 445 5 the the DT 28553 445 6 working working NN 28553 445 7 is be VBZ 28553 445 8 very very RB 28553 445 9 uneconomical uneconomical JJ 28553 445 10 , , , 28553 445 11 as as IN 28553 445 12 the the DT 28553 445 13 steam steam NN 28553 445 14 goes go VBZ 28553 445 15 to to IN 28553 445 16 the the DT 28553 445 17 exhaust exhaust NN 28553 445 18 at at IN 28553 445 19 practically practically RB 28553 445 20 the the DT 28553 445 21 same same JJ 28553 445 22 pressure pressure NN 28553 445 23 as as IN 28553 445 24 that that DT 28553 445 25 at at IN 28553 445 26 which which WDT 28553 445 27 it -PRON- PRP 28553 445 28 entered enter VBD 28553 445 29 the the DT 28553 445 30 cylinder cylinder NN 28553 445 31 . . . 28553 446 1 Its -PRON- PRP$ 28553 446 2 property property NN 28553 446 3 of of IN 28553 446 4 _ _ NNP 28553 446 5 expansion expansion NN 28553 446 6 _ _ NNP 28553 446 7 has have VBZ 28553 446 8 been be VBN 28553 446 9 neglected neglect VBN 28553 446 10 . . . 28553 447 1 But but CC 28553 447 2 supposing suppose VBG 28553 447 3 that that DT 28553 447 4 steam steam NN 28553 447 5 at at IN 28553 447 6 100 100 CD 28553 447 7 lbs lb NNS 28553 447 8 . . . 28553 448 1 pressure pressure NN 28553 448 2 were be VBD 28553 448 3 admitted admit VBN 28553 448 4 till till IN 28553 448 5 half half JJ 28553 448 6 - - HYPH 28553 448 7 stroke stroke NN 28553 448 8 , , , 28553 448 9 and and CC 28553 448 10 then then RB 28553 448 11 suddenly suddenly RB 28553 448 12 cut cut VBD 28553 448 13 off off RP 28553 448 14 , , , 28553 448 15 the the DT 28553 448 16 expansive expansive JJ 28553 448 17 nature nature NN 28553 448 18 of of IN 28553 448 19 the the DT 28553 448 20 steam steam NN 28553 448 21 would would MD 28553 448 22 then then RB 28553 448 23 continue continue VB 28553 448 24 to to TO 28553 448 25 push push VB 28553 448 26 the the DT 28553 448 27 piston piston NN 28553 448 28 out out RP 28553 448 29 until until IN 28553 448 30 the the DT 28553 448 31 pressure pressure NN 28553 448 32 had have VBD 28553 448 33 decreased decrease VBN 28553 448 34 to to IN 28553 448 35 50 50 CD 28553 448 36 lbs lb NNS 28553 448 37 . . . 28553 449 1 per per IN 28553 449 2 square square JJ 28553 449 3 inch inch NN 28553 449 4 , , , 28553 449 5 at at IN 28553 449 6 which which WDT 28553 449 7 pressure pressure NN 28553 449 8 it -PRON- PRP 28553 449 9 would would MD 28553 449 10 go go VB 28553 449 11 to to IN 28553 449 12 the the DT 28553 449 13 exhaust exhaust NN 28553 449 14 . . . 28553 450 1 Now now RB 28553 450 2 , , , 28553 450 3 observe observe VB 28553 450 4 that that IN 28553 450 5 all all PDT 28553 450 6 the the DT 28553 450 7 work work NN 28553 450 8 done do VBN 28553 450 9 by by IN 28553 450 10 the the DT 28553 450 11 steam steam NN 28553 450 12 after after IN 28553 450 13 the the DT 28553 450 14 cut cut NN 28553 450 15 - - HYPH 28553 450 16 off off RP 28553 450 17 is be VBZ 28553 450 18 so so RB 28553 450 19 much much JJ 28553 450 20 power power NN 28553 450 21 saved save VBN 28553 450 22 . . . 28553 451 1 The the DT 28553 451 2 _ _ NNP 28553 451 3 average average JJ 28553 451 4 _ _ NNP 28553 451 5 pressure pressure NN 28553 451 6 on on IN 28553 451 7 the the DT 28553 451 8 piston piston NN 28553 451 9 is be VBZ 28553 451 10 not not RB 28553 451 11 so so RB 28553 451 12 high high JJ 28553 451 13 as as IN 28553 451 14 in in IN 28553 451 15 the the DT 28553 451 16 first first JJ 28553 451 17 case case NN 28553 451 18 ; ; : 28553 451 19 still still RB 28553 451 20 , , , 28553 451 21 from from IN 28553 451 22 a a DT 28553 451 23 given give VBN 28553 451 24 volume volume NN 28553 451 25 of of IN 28553 451 26 100 100 CD 28553 451 27 lbs lb NNS 28553 451 28 . . . 28553 452 1 pressure pressure NN 28553 452 2 steam steam NN 28553 452 3 we -PRON- PRP 28553 452 4 get get VBP 28553 452 5 much much RB 28553 452 6 more more JJR 28553 452 7 _ _ NNP 28553 452 8 work work NN 28553 452 9 _ _ NNP 28553 452 10 . . . 28553 453 1 HOW how WRB 28553 453 2 THE the DT 28553 453 3 CUT CUT NNP 28553 453 4 - - HYPH 28553 453 5 OFF OFF NNP 28553 453 6 IS IS NNP 28553 453 7 MANAGED MANAGED NNP 28553 453 8 . . . 28553 454 1 [ [ -LRB- 28553 454 2 Illustration illustration NN 28553 454 3 : : : 28553 454 4 FIG FIG NNP 28553 454 5 . . . 28553 455 1 27.--A 27.--a CD 28553 455 2 slide slide NN 28553 455 3 - - HYPH 28553 455 4 valve valve NN 28553 455 5 with with IN 28553 455 6 " " `` 28553 455 7 lap lap NN 28553 455 8 . . . 28553 455 9 " " '' 28553 455 10 ] ] -RRB- 28553 456 1 [ [ -LRB- 28553 456 2 Illustration illustration NN 28553 456 3 : : : 28553 456 4 FIG FIG NNP 28553 456 5 . . . 28553 457 1 28 28 CD 28553 457 2 . . . 28553 457 3 ] ] -RRB- 28553 458 1 Look look VB 28553 458 2 at at IN 28553 458 3 Fig Fig NNP 28553 458 4 . . . 28553 459 1 27 27 CD 28553 459 2 . . . 28553 460 1 Here here RB 28553 460 2 we -PRON- PRP 28553 460 3 have have VBP 28553 460 4 a a DT 28553 460 5 slide slide NN 28553 460 6 - - HYPH 28553 460 7 valve valve NN 28553 460 8 , , , 28553 460 9 with with IN 28553 460 10 faces face NNS 28553 460 11 much much RB 28553 460 12 wider wide JJR 28553 460 13 than than IN 28553 460 14 the the DT 28553 460 15 steam steam NN 28553 460 16 ports port NNS 28553 460 17 . . . 28553 461 1 The the DT 28553 461 2 parts part NNS 28553 461 3 marked mark VBD 28553 461 4 black black JJ 28553 461 5 , , , 28553 461 6 P p NN 28553 461 7 P p NN 28553 461 8 , , , 28553 461 9 are be VBP 28553 461 10 those those DT 28553 461 11 corresponding corresponding JJ 28553 461 12 to to IN 28553 461 13 the the DT 28553 461 14 faces face NNS 28553 461 15 of of IN 28553 461 16 the the DT 28553 461 17 valves valve NNS 28553 461 18 shown show VBN 28553 461 19 in in IN 28553 461 20 previous previous JJ 28553 461 21 diagrams diagram NNS 28553 461 22 ( ( -LRB- 28553 461 23 p. p. NN 28553 461 24 54 54 CD 28553 461 25 ) ) -RRB- 28553 461 26 . . . 28553 462 1 The the DT 28553 462 2 shaded shaded JJ 28553 462 3 parts part NNS 28553 462 4 , , , 28553 462 5 L L NNP 28553 462 6 L L NNP 28553 462 7 , , , 28553 462 8 are be VBP 28553 462 9 called call VBN 28553 462 10 the the DT 28553 462 11 _ _ NNP 28553 462 12 lap lap NN 28553 462 13 _ _ NNP 28553 462 14 . . . 28553 463 1 By by IN 28553 463 2 increasing increase VBG 28553 463 3 the the DT 28553 463 4 length length NN 28553 463 5 of of IN 28553 463 6 the the DT 28553 463 7 lap lap NN 28553 463 8 we -PRON- PRP 28553 463 9 increase increase VBP 28553 463 10 the the DT 28553 463 11 range range NN 28553 463 12 of of IN 28553 463 13 expansive expansive JJ 28553 463 14 working working NN 28553 463 15 . . . 28553 464 1 Fig fig NN 28553 464 2 . . . 28553 465 1 28 28 CD 28553 465 2 shows show VBZ 28553 465 3 the the DT 28553 465 4 piston piston NN 28553 465 5 full full JJ 28553 465 6 to to IN 28553 465 7 the the DT 28553 465 8 left left NN 28553 465 9 ; ; : 28553 465 10 the the DT 28553 465 11 valve valve NN 28553 465 12 is be VBZ 28553 465 13 just just RB 28553 465 14 on on IN 28553 465 15 the the DT 28553 465 16 point point NN 28553 465 17 of of IN 28553 465 18 opening open VBG 28553 465 19 to to TO 28553 465 20 admit admit VB 28553 465 21 steam steam NN 28553 465 22 behind behind IN 28553 465 23 the the DT 28553 465 24 piston piston NN 28553 465 25 . . . 28553 466 1 The the DT 28553 466 2 eccentric eccentric NN 28553 466 3 has have VBZ 28553 466 4 a a DT 28553 466 5 throw throw NN 28553 466 6 equal equal JJ 28553 466 7 to to IN 28553 466 8 the the DT 28553 466 9 breadth breadth NN 28553 466 10 of of IN 28553 466 11 a a DT 28553 466 12 port port NN 28553 466 13 + + CC 28553 466 14 the the DT 28553 466 15 lap lap NN 28553 466 16 of of IN 28553 466 17 the the DT 28553 466 18 valve valve NN 28553 466 19 . . . 28553 467 1 That that IN 28553 467 2 this this DT 28553 467 3 must must MD 28553 467 4 be be VB 28553 467 5 so so RB 28553 467 6 is be VBZ 28553 467 7 obvious obvious JJ 28553 467 8 from from IN 28553 467 9 a a DT 28553 467 10 consideration consideration NN 28553 467 11 of of IN 28553 467 12 Fig Fig NNP 28553 467 13 . . . 28553 468 1 27 27 CD 28553 468 2 , , , 28553 468 3 where where WRB 28553 468 4 the the DT 28553 468 5 valve valve NN 28553 468 6 is be VBZ 28553 468 7 at at IN 28553 468 8 its -PRON- PRP$ 28553 468 9 central central JJ 28553 468 10 position position NN 28553 468 11 . . . 28553 469 1 Hence hence RB 28553 469 2 the the DT 28553 469 3 very very RB 28553 469 4 simple simple JJ 28553 469 5 formula:--Travel formula:--travel NN 28553 469 6 of of IN 28553 469 7 valve valve NN 28553 469 8 = = SYM 28553 469 9 2 2 CD 28553 469 10 × × NNS 28553 469 11 ( ( -LRB- 28553 469 12 lap lap NN 28553 469 13 + + CC 28553 469 14 breadth breadth NN 28553 469 15 of of IN 28553 469 16 port port NN 28553 469 17 ) ) -RRB- 28553 469 18 . . . 28553 470 1 The the DT 28553 470 2 path path NN 28553 470 3 of of IN 28553 470 4 the the DT 28553 470 5 eccentric eccentric NN 28553 470 6 's 's POS 28553 470 7 centre centre NN 28553 470 8 round round IN 28553 470 9 the the DT 28553 470 10 centre centre NN 28553 470 11 of of IN 28553 470 12 the the DT 28553 470 13 shaft shaft NN 28553 470 14 is be VBZ 28553 470 15 indicated indicate VBN 28553 470 16 by by IN 28553 470 17 the the DT 28553 470 18 usual usual JJ 28553 470 19 dotted dotted JJ 28553 470 20 line line NN 28553 470 21 ( ( -LRB- 28553 470 22 Fig fig NN 28553 470 23 . . . 28553 471 1 28 28 CD 28553 471 2 ) ) -RRB- 28553 471 3 . . . 28553 472 1 You -PRON- PRP 28553 472 2 will will MD 28553 472 3 notice notice VB 28553 472 4 that that IN 28553 472 5 the the DT 28553 472 6 " " `` 28553 472 7 angle angle NN 28553 472 8 of of IN 28553 472 9 advance advance NN 28553 472 10 , , , 28553 472 11 " " '' 28553 472 12 denoted denote VBN 28553 472 13 by by IN 28553 472 14 the the DT 28553 472 15 arrow arrow NN 28553 472 16 A A NNP 28553 472 17 , , , 28553 472 18 is be VBZ 28553 472 19 now now RB 28553 472 20 very very RB 28553 472 21 considerable considerable JJ 28553 472 22 . . . 28553 473 1 By by IN 28553 473 2 the the DT 28553 473 3 time time NN 28553 473 4 that that WDT 28553 473 5 the the DT 28553 473 6 crank crank NN 28553 473 7 C C NNP 28553 473 8 has have VBZ 28553 473 9 assumed assume VBN 28553 473 10 the the DT 28553 473 11 position position NN 28553 473 12 of of IN 28553 473 13 the the DT 28553 473 14 line line NN 28553 473 15 S S NNP 28553 473 16 , , , 28553 473 17 the the DT 28553 473 18 eccentric eccentric NN 28553 473 19 has have VBZ 28553 473 20 passed pass VBN 28553 473 21 its -PRON- PRP$ 28553 473 22 dead dead JJ 28553 473 23 point point NN 28553 473 24 , , , 28553 473 25 and and CC 28553 473 26 the the DT 28553 473 27 valve valve NN 28553 473 28 begins begin VBZ 28553 473 29 to to TO 28553 473 30 travel travel VB 28553 473 31 backwards backwards RB 28553 473 32 , , , 28553 473 33 eventually eventually RB 28553 473 34 returning return VBG 28553 473 35 to to IN 28553 473 36 the the DT 28553 473 37 position position NN 28553 473 38 shown show VBN 28553 473 39 in in IN 28553 473 40 Fig Fig NNP 28553 473 41 . . . 28553 474 1 28 28 CD 28553 474 2 , , , 28553 474 3 and and CC 28553 474 4 cutting cut VBG 28553 474 5 off off RP 28553 474 6 the the DT 28553 474 7 steam steam NN 28553 474 8 supply supply NN 28553 474 9 while while IN 28553 474 10 the the DT 28553 474 11 piston piston NN 28553 474 12 has have VBZ 28553 474 13 still still RB 28553 474 14 a a DT 28553 474 15 considerable considerable JJ 28553 474 16 part part NN 28553 474 17 of of IN 28553 474 18 its -PRON- PRP$ 28553 474 19 stroke stroke NN 28553 474 20 to to TO 28553 474 21 make make VB 28553 474 22 . . . 28553 475 1 The the DT 28553 475 2 steam steam NN 28553 475 3 then then RB 28553 475 4 begins begin VBZ 28553 475 5 to to TO 28553 475 6 work work VB 28553 475 7 expansively expansively RB 28553 475 8 , , , 28553 475 9 and and CC 28553 475 10 continues continue VBZ 28553 475 11 to to TO 28553 475 12 do do VB 28553 475 13 so so RB 28553 475 14 until until IN 28553 475 15 the the DT 28553 475 16 valve valve NN 28553 475 17 assumes assume VBZ 28553 475 18 the the DT 28553 475 19 position position NN 28553 475 20 shown show VBN 28553 475 21 in in IN 28553 475 22 Fig Fig NNP 28553 475 23 . . . 28553 476 1 27 27 CD 28553 476 2 . . . 28553 477 1 If if IN 28553 477 2 the the DT 28553 477 3 valve valve NN 28553 477 4 has have VBZ 28553 477 5 to to TO 28553 477 6 have have VB 28553 477 7 " " `` 28553 477 8 lead lead VB 28553 477 9 " " '' 28553 477 10 to to TO 28553 477 11 admit admit VB 28553 477 12 steam steam NN 28553 477 13 _ _ NNP 28553 477 14 before before IN 28553 477 15 _ _ NNP 28553 477 16 the the DT 28553 477 17 end end NN 28553 477 18 of of IN 28553 477 19 the the DT 28553 477 20 stroke stroke NN 28553 477 21 to to IN 28553 477 22 the the DT 28553 477 23 other other JJ 28553 477 24 side side NN 28553 477 25 of of IN 28553 477 26 the the DT 28553 477 27 piston piston NN 28553 477 28 , , , 28553 477 29 the the DT 28553 477 30 _ _ NNP 28553 477 31 angle angle NN 28553 477 32 of of IN 28553 477 33 advance advance NN 28553 477 34 _ _ NNP 28553 477 35 must must MD 28553 477 36 be be VB 28553 477 37 increased increase VBN 28553 477 38 , , , 28553 477 39 and and CC 28553 477 40 the the DT 28553 477 41 eccentric eccentric JJ 28553 477 42 centre centre NN 28553 477 43 line line NN 28553 477 44 would would MD 28553 477 45 lie lie VB 28553 477 46 on on IN 28553 477 47 the the DT 28553 477 48 line line NN 28553 477 49 E^2 E^2 NNP 28553 477 50 . . . 28553 478 1 Therefore therefore RB 28553 478 2 -- -- : 28553 478 3 total total JJ 28553 478 4 angle angle NN 28553 478 5 of of IN 28553 478 6 advance advance NN 28553 478 7 = = SYM 28553 478 8 angle angle NN 28553 478 9 for for IN 28553 478 10 _ _ NNP 28553 478 11 lap lap NNP 28553 478 12 _ _ NNP 28553 478 13 and and CC 28553 478 14 angle angle NNP 28553 478 15 for for IN 28553 478 16 _ _ NNP 28553 478 17 lead lead NN 28553 478 18 _ _ NNP 28553 478 19 . . . 28553 479 1 LIMIT limit NN 28553 479 2 OF of IN 28553 479 3 EXPANSIVE expansive NN 28553 479 4 WORKING working NN 28553 479 5 . . . 28553 480 1 Theoretically theoretically RB 28553 480 2 , , , 28553 480 3 by by IN 28553 480 4 increasing increase VBG 28553 480 5 the the DT 28553 480 6 _ _ NNP 28553 480 7 lap lap NN 28553 480 8 _ _ NNP 28553 480 9 and and CC 28553 480 10 cutting cut VBG 28553 480 11 off off RP 28553 480 12 the the DT 28553 480 13 steam steam NN 28553 480 14 earlier early RBR 28553 480 15 and and CC 28553 480 16 earlier early RBR 28553 480 17 in in IN 28553 480 18 the the DT 28553 480 19 stroke stroke NN 28553 480 20 , , , 28553 480 21 we -PRON- PRP 28553 480 22 should should MD 28553 480 23 economize economize VB 28553 480 24 our -PRON- PRP$ 28553 480 25 power power NN 28553 480 26 more more RBR 28553 480 27 and and CC 28553 480 28 more more RBR 28553 480 29 . . . 28553 481 1 But but CC 28553 481 2 in in IN 28553 481 3 practice practice NN 28553 481 4 a a DT 28553 481 5 great great JJ 28553 481 6 difficulty difficulty NN 28553 481 7 is be VBZ 28553 481 8 met meet VBN 28553 481 9 with with IN 28553 481 10 -- -- : 28553 481 11 namely namely RB 28553 481 12 , , , 28553 481 13 that that IN 28553 481 14 _ _ NNP 28553 481 15 as as IN 28553 481 16 the the DT 28553 481 17 steam steam NN 28553 481 18 expands expand VBZ 28553 481 19 its -PRON- PRP$ 28553 481 20 temperature temperature NN 28553 481 21 falls fall VBZ 28553 481 22 _ _ NNP 28553 481 23 . . . 28553 482 1 If if IN 28553 482 2 the the DT 28553 482 3 cut cut NN 28553 482 4 - - HYPH 28553 482 5 off off RP 28553 482 6 occurs occur VBZ 28553 482 7 early early RB 28553 482 8 , , , 28553 482 9 say say VB 28553 482 10 at at IN 28553 482 11 one one CD 28553 482 12 - - HYPH 28553 482 13 third third NN 28553 482 14 stroke stroke NN 28553 482 15 , , , 28553 482 16 the the DT 28553 482 17 great great JJ 28553 482 18 expansion expansion NN 28553 482 19 will will MD 28553 482 20 reduce reduce VB 28553 482 21 the the DT 28553 482 22 temperature temperature NN 28553 482 23 of of IN 28553 482 24 the the DT 28553 482 25 metal metal NN 28553 482 26 walls wall NNS 28553 482 27 of of IN 28553 482 28 the the DT 28553 482 29 cylinder cylinder NN 28553 482 30 to to IN 28553 482 31 such such PDT 28553 482 32 an an DT 28553 482 33 extent extent NN 28553 482 34 , , , 28553 482 35 that that IN 28553 482 36 when when WRB 28553 482 37 the the DT 28553 482 38 next next JJ 28553 482 39 spirt spirt NN 28553 482 40 of of IN 28553 482 41 steam steam NN 28553 482 42 enters enter NNS 28553 482 43 from from IN 28553 482 44 the the DT 28553 482 45 other other JJ 28553 482 46 end end NN 28553 482 47 a a DT 28553 482 48 considerable considerable JJ 28553 482 49 proportion proportion NN 28553 482 50 of of IN 28553 482 51 the the DT 28553 482 52 steam steam NN 28553 482 53 's 's POS 28553 482 54 energy energy NN 28553 482 55 will will MD 28553 482 56 be be VB 28553 482 57 lost lose VBN 28553 482 58 by by IN 28553 482 59 cooling cool VBG 28553 482 60 . . . 28553 483 1 In in IN 28553 483 2 such such PDT 28553 483 3 a a DT 28553 483 4 case case NN 28553 483 5 , , , 28553 483 6 the the DT 28553 483 7 difference difference NN 28553 483 8 in in IN 28553 483 9 temperature temperature NN 28553 483 10 between between IN 28553 483 11 admitted admit VBN 28553 483 12 steam steam NN 28553 483 13 and and CC 28553 483 14 exhausted exhausted JJ 28553 483 15 steam steam NN 28553 483 16 is be VBZ 28553 483 17 too too RB 28553 483 18 great great JJ 28553 483 19 for for IN 28553 483 20 economy economy NN 28553 483 21 . . . 28553 484 1 Yet yet CC 28553 484 2 we -PRON- PRP 28553 484 3 want want VBP 28553 484 4 to to TO 28553 484 5 utilize utilize VB 28553 484 6 as as RB 28553 484 7 much much JJ 28553 484 8 energy energy NN 28553 484 9 as as IN 28553 484 10 possible possible JJ 28553 484 11 . . . 28553 485 1 How how WRB 28553 485 2 are be VBP 28553 485 3 we -PRON- PRP 28553 485 4 to to TO 28553 485 5 do do VB 28553 485 6 it -PRON- PRP 28553 485 7 ? ? . 28553 486 1 COMPOUND COMPOUND NNP 28553 486 2 ENGINES ENGINES NNP 28553 486 3 . . . 28553 487 1 In in IN 28553 487 2 the the DT 28553 487 3 year year NN 28553 487 4 1853 1853 CD 28553 487 5 , , , 28553 487 6 John John NNP 28553 487 7 Elder Elder NNP 28553 487 8 , , , 28553 487 9 founder founder NN 28553 487 10 of of IN 28553 487 11 the the DT 28553 487 12 shipping shipping NN 28553 487 13 firm firm NN 28553 487 14 of of IN 28553 487 15 Elder Elder NNP 28553 487 16 and and CC 28553 487 17 Co. Co. NNP 28553 487 18 , , , 28553 487 19 Glasgow Glasgow NNP 28553 487 20 , , , 28553 487 21 introduced introduce VBD 28553 487 22 the the DT 28553 487 23 _ _ NNP 28553 487 24 compound compound NN 28553 487 25 _ _ NNP 28553 487 26 engine engine NN 28553 487 27 for for IN 28553 487 28 use use NN 28553 487 29 on on IN 28553 487 30 ships ship NNS 28553 487 31 . . . 28553 488 1 The the DT 28553 488 2 steam steam NN 28553 488 3 , , , 28553 488 4 when when WRB 28553 488 5 exhausted exhaust VBN 28553 488 6 from from IN 28553 488 7 the the DT 28553 488 8 high high JJ 28553 488 9 - - HYPH 28553 488 10 pressure pressure NN 28553 488 11 cylinder cylinder NN 28553 488 12 , , , 28553 488 13 passed pass VBD 28553 488 14 into into IN 28553 488 15 another another DT 28553 488 16 cylinder cylinder NN 28553 488 17 of of IN 28553 488 18 equal equal JJ 28553 488 19 stroke stroke NN 28553 488 20 but but CC 28553 488 21 larger large JJR 28553 488 22 diameter diameter NN 28553 488 23 , , , 28553 488 24 where where WRB 28553 488 25 the the DT 28553 488 26 expansion expansion NN 28553 488 27 continued continue VBD 28553 488 28 . . . 28553 489 1 In in IN 28553 489 2 modern modern JJ 28553 489 3 engines engine NNS 28553 489 4 the the DT 28553 489 5 expansion expansion NN 28553 489 6 is be VBZ 28553 489 7 extended extend VBN 28553 489 8 to to IN 28553 489 9 three three CD 28553 489 10 and and CC 28553 489 11 even even RB 28553 489 12 four four CD 28553 489 13 stages stage NNS 28553 489 14 , , , 28553 489 15 according accord VBG 28553 489 16 to to IN 28553 489 17 the the DT 28553 489 18 boiler boiler NN 28553 489 19 pressure pressure NN 28553 489 20 ; ; : 28553 489 21 for for IN 28553 489 22 it -PRON- PRP 28553 489 23 is be VBZ 28553 489 24 a a DT 28553 489 25 rule rule NN 28553 489 26 that that IN 28553 489 27 the the DT 28553 489 28 higher high JJR 28553 489 29 the the DT 28553 489 30 initial initial JJ 28553 489 31 pressure pressure NN 28553 489 32 is be VBZ 28553 489 33 , , , 28553 489 34 the the DT 28553 489 35 larger large JJR 28553 489 36 is be VBZ 28553 489 37 the the DT 28553 489 38 number number NN 28553 489 39 of of IN 28553 489 40 stages stage NNS 28553 489 41 of of IN 28553 489 42 expansion expansion NN 28553 489 43 consistent consistent JJ 28553 489 44 with with IN 28553 489 45 economical economical JJ 28553 489 46 working working NN 28553 489 47 . . . 28553 490 1 [ [ -LRB- 28553 490 2 Illustration illustration NN 28553 490 3 : : : 28553 490 4 FIG FIG NNP 28553 490 5 . . . 28553 491 1 29.--Sketch 29.--sketch CD 28553 491 2 of of IN 28553 491 3 the the DT 28553 491 4 arrangement arrangement NN 28553 491 5 of of IN 28553 491 6 a a DT 28553 491 7 triple triple JJ 28553 491 8 - - HYPH 28553 491 9 expansion expansion NN 28553 491 10 marine marine JJ 28553 491 11 engine engine NN 28553 491 12 . . . 28553 492 1 No no DT 28553 492 2 valve valve NN 28553 492 3 gear gear NN 28553 492 4 or or CC 28553 492 5 supports support NNS 28553 492 6 , , , 28553 492 7 etc etc FW 28553 492 8 . . FW 28553 492 9 , , , 28553 492 10 shown show VBN 28553 492 11 . . . 28553 492 12 ] ] -RRB- 28553 493 1 In in IN 28553 493 2 Fig Fig NNP 28553 493 3 . . . 28553 494 1 29 29 CD 28553 494 2 we -PRON- PRP 28553 494 3 have have VBP 28553 494 4 a a DT 28553 494 5 triple triple JJ 28553 494 6 - - HYPH 28553 494 7 expansion expansion NN 28553 494 8 marine marine JJ 28553 494 9 engine engine NN 28553 494 10 . . . 28553 495 1 Steam steam NN 28553 495 2 enters enter VBZ 28553 495 3 the the DT 28553 495 4 high high JJ 28553 495 5 - - HYPH 28553 495 6 pressure pressure NN 28553 495 7 cylinder[4 cylinder[4 NN 28553 495 8 ] ] -RRB- 28553 495 9 at at IN 28553 495 10 , , , 28553 495 11 say say UH 28553 495 12 , , , 28553 495 13 200 200 CD 28553 495 14 lbs lbs NN 28553 495 15 . . . 28553 496 1 per per IN 28553 496 2 square square JJ 28553 496 3 inch inch NN 28553 496 4 . . . 28553 497 1 It -PRON- PRP 28553 497 2 exhausts exhaust VBZ 28553 497 3 at at IN 28553 497 4 75 75 CD 28553 497 5 lbs lb NNS 28553 497 6 . . . 28553 498 1 into into IN 28553 498 2 the the DT 28553 498 3 large large JJ 28553 498 4 pipe pipe NN 28553 498 5 2 2 CD 28553 498 6 , , , 28553 498 7 and and CC 28553 498 8 passes pass VBZ 28553 498 9 to to IN 28553 498 10 the the DT 28553 498 11 intermediate intermediate JJ 28553 498 12 cylinder cylinder NN 28553 498 13 , , , 28553 498 14 whence whence NN 28553 498 15 it -PRON- PRP 28553 498 16 is be VBZ 28553 498 17 exhausted exhausted JJ 28553 498 18 at at IN 28553 498 19 25 25 CD 28553 498 20 lbs lb NNS 28553 498 21 . . . 28553 499 1 or or CC 28553 499 2 so so RB 28553 499 3 through through IN 28553 499 4 pipe pipe NN 28553 499 5 3 3 CD 28553 499 6 to to IN 28553 499 7 the the DT 28553 499 8 low low JJ 28553 499 9 - - HYPH 28553 499 10 pressure pressure NN 28553 499 11 cylinder cylinder NN 28553 499 12 . . . 28553 500 1 Finally finally RB 28553 500 2 , , , 28553 500 3 it -PRON- PRP 28553 500 4 is be VBZ 28553 500 5 ejected eject VBN 28553 500 6 at at IN 28553 500 7 about about RB 28553 500 8 8 8 CD 28553 500 9 lbs lbs NN 28553 500 10 . . . 28553 501 1 per per IN 28553 501 2 square square JJ 28553 501 3 inch inch NN 28553 501 4 to to IN 28553 501 5 the the DT 28553 501 6 condenser condenser NN 28553 501 7 , , , 28553 501 8 and and CC 28553 501 9 is be VBZ 28553 501 10 suddenly suddenly RB 28553 501 11 converted convert VBN 28553 501 12 into into IN 28553 501 13 water water NN 28553 501 14 ; ; : 28553 501 15 an an DT 28553 501 16 act act NN 28553 501 17 which which WDT 28553 501 18 produces produce VBZ 28553 501 19 a a DT 28553 501 20 vacuum vacuum NN 28553 501 21 , , , 28553 501 22 and and CC 28553 501 23 diminishes diminish VBZ 28553 501 24 the the DT 28553 501 25 back back NN 28553 501 26 - - HYPH 28553 501 27 pressure pressure NN 28553 501 28 of of IN 28553 501 29 the the DT 28553 501 30 exhaust exhaust NN 28553 501 31 from from IN 28553 501 32 cylinder cylinder NN 28553 501 33 C. C. NNP 28553 501 34 In in IN 28553 501 35 fact fact NN 28553 501 36 , , , 28553 501 37 the the DT 28553 501 38 condenser condenser NN 28553 501 39 exerts exert VBZ 28553 501 40 a a DT 28553 501 41 _ _ NNP 28553 501 42 sucking suck VBG 28553 501 43 _ _ NNP 28553 501 44 power power NN 28553 501 45 on on IN 28553 501 46 the the DT 28553 501 47 exhaust exhaust JJ 28553 501 48 side side NN 28553 501 49 of of IN 28553 501 50 C C NNP 28553 501 51 's 's POS 28553 501 52 piston piston NN 28553 501 53 . . . 28553 502 1 ARRANGEMENT arrangement NN 28553 502 2 OF of IN 28553 502 3 EXPANSION expansion NN 28553 502 4 ENGINES engine NNS 28553 502 5 . . . 28553 503 1 In in IN 28553 503 2 the the DT 28553 503 3 illustration illustration NN 28553 503 4 the the DT 28553 503 5 cranks crank NNS 28553 503 6 are be VBP 28553 503 7 set set VBN 28553 503 8 at at IN 28553 503 9 angles angle NNS 28553 503 10 of of IN 28553 503 11 120 120 CD 28553 503 12 ° ° NNS 28553 503 13 , , , 28553 503 14 or or CC 28553 503 15 a a DT 28553 503 16 third third NN 28553 503 17 of of IN 28553 503 18 a a DT 28553 503 19 circle circle NN 28553 503 20 , , , 28553 503 21 so so IN 28553 503 22 that that IN 28553 503 23 one one CD 28553 503 24 or or CC 28553 503 25 other other JJ 28553 503 26 is be VBZ 28553 503 27 always always RB 28553 503 28 at at IN 28553 503 29 or or CC 28553 503 30 near near IN 28553 503 31 the the DT 28553 503 32 position position NN 28553 503 33 of of IN 28553 503 34 maximum maximum JJ 28553 503 35 turning turning NN 28553 503 36 power power NN 28553 503 37 . . . 28553 504 1 Where where WRB 28553 504 2 only only RB 28553 504 3 two two CD 28553 504 4 stages stage NNS 28553 504 5 are be VBP 28553 504 6 used use VBN 28553 504 7 the the DT 28553 504 8 cylinders cylinder NNS 28553 504 9 are be VBP 28553 504 10 often often RB 28553 504 11 arranged arrange VBN 28553 504 12 _ _ NNP 28553 504 13 tandem tandem NNP 28553 504 14 _ _ NNP 28553 504 15 , , , 28553 504 16 both both DT 28553 504 17 pistons piston NNS 28553 504 18 having have VBG 28553 504 19 a a DT 28553 504 20 common common JJ 28553 504 21 piston piston NN 28553 504 22 rod rod NN 28553 504 23 and and CC 28553 504 24 crank crank NNP 28553 504 25 . . . 28553 505 1 In in IN 28553 505 2 order order NN 28553 505 3 to to TO 28553 505 4 get get VB 28553 505 5 a a DT 28553 505 6 constant constant JJ 28553 505 7 turning turning NN 28553 505 8 movement movement NN 28553 505 9 they -PRON- PRP 28553 505 10 must must MD 28553 505 11 be be VB 28553 505 12 mounted mount VBN 28553 505 13 separately separately RB 28553 505 14 , , , 28553 505 15 and and CC 28553 505 16 work work NN 28553 505 17 cranks crank NNS 28553 505 18 set set VBD 28553 505 19 at at IN 28553 505 20 right right JJ 28553 505 21 angles angle NNS 28553 505 22 to to IN 28553 505 23 one one CD 28553 505 24 another another DT 28553 505 25 . . . 28553 506 1 COMPOUND COMPOUND NNP 28553 506 2 LOCOMOTIVES LOCOMOTIVES NNP 28553 506 3 . . . 28553 507 1 In in IN 28553 507 2 1876 1876 CD 28553 507 3 Mr. Mr. NNP 28553 507 4 A. A. NNP 28553 507 5 Mallet Mallet NNP 28553 507 6 introduced introduce VBD 28553 507 7 _ _ NNP 28553 507 8 compounding compound VBG 28553 507 9 _ _ NNP 28553 507 10 in in IN 28553 507 11 locomotives locomotive NNS 28553 507 12 ; ; : 28553 507 13 and and CC 28553 507 14 the the DT 28553 507 15 practice practice NN 28553 507 16 has have VBZ 28553 507 17 been be VBN 28553 507 18 largely largely RB 28553 507 19 adopted adopt VBN 28553 507 20 . . . 28553 508 1 The the DT 28553 508 2 various various JJ 28553 508 3 types type NNS 28553 508 4 of of IN 28553 508 5 " " `` 28553 508 6 compounds compound NNS 28553 508 7 " " '' 28553 508 8 may may MD 28553 508 9 be be VB 28553 508 10 classified classify VBN 28553 508 11 as as IN 28553 508 12 follows:--(1 follows:--(1 NN 28553 508 13 ) ) -RRB- 28553 508 14 One one CD 28553 508 15 low low JJ 28553 508 16 - - HYPH 28553 508 17 pressure pressure NN 28553 508 18 and and CC 28553 508 19 one one CD 28553 508 20 high high JJ 28553 508 21 - - HYPH 28553 508 22 pressure pressure NN 28553 508 23 cylinder cylinder NN 28553 508 24 ; ; : 28553 508 25 ( ( -LRB- 28553 508 26 2 2 LS 28553 508 27 ) ) -RRB- 28553 508 28 one one CD 28553 508 29 high high JJ 28553 508 30 - - HYPH 28553 508 31 pressure pressure NN 28553 508 32 and and CC 28553 508 33 two two CD 28553 508 34 low low JJ 28553 508 35 - - HYPH 28553 508 36 pressure pressure NN 28553 508 37 ; ; : 28553 508 38 ( ( -LRB- 28553 508 39 3 3 LS 28553 508 40 ) ) -RRB- 28553 508 41 one one CD 28553 508 42 low low JJ 28553 508 43 - - HYPH 28553 508 44 pressure pressure NN 28553 508 45 and and CC 28553 508 46 two two CD 28553 508 47 high high JJ 28553 508 48 - - HYPH 28553 508 49 pressure pressure NN 28553 508 50 ; ; : 28553 508 51 ( ( -LRB- 28553 508 52 4 4 LS 28553 508 53 ) ) -RRB- 28553 508 54 two two CD 28553 508 55 high high JJ 28553 508 56 - - HYPH 28553 508 57 pressure pressure NN 28553 508 58 and and CC 28553 508 59 two two CD 28553 508 60 low low JJ 28553 508 61 - - HYPH 28553 508 62 pressure pressure NN 28553 508 63 . . . 28553 509 1 The the DT 28553 509 2 last last JJ 28553 509 3 class class NN 28553 509 4 is be VBZ 28553 509 5 very very RB 28553 509 6 widely widely RB 28553 509 7 used use VBN 28553 509 8 in in IN 28553 509 9 France France NNP 28553 509 10 , , , 28553 509 11 America America NNP 28553 509 12 , , , 28553 509 13 and and CC 28553 509 14 Russia Russia NNP 28553 509 15 , , , 28553 509 16 and and CC 28553 509 17 seems seem VBZ 28553 509 18 to to TO 28553 509 19 give give VB 28553 509 20 the the DT 28553 509 21 best good JJS 28553 509 22 results result NNS 28553 509 23 . . . 28553 510 1 Where where WRB 28553 510 2 only only RB 28553 510 3 two two CD 28553 510 4 cylinders cylinder NNS 28553 510 5 are be VBP 28553 510 6 used use VBN 28553 510 7 ( ( -LRB- 28553 510 8 and and CC 28553 510 9 sometimes sometimes RB 28553 510 10 in in IN 28553 510 11 the the DT 28553 510 12 case case NN 28553 510 13 of of IN 28553 510 14 three three CD 28553 510 15 and and CC 28553 510 16 four four CD 28553 510 17 ) ) -RRB- 28553 510 18 , , , 28553 510 19 a a DT 28553 510 20 valve valve NN 28553 510 21 arrangement arrangement NN 28553 510 22 permits permit VBZ 28553 510 23 the the DT 28553 510 24 admission admission NN 28553 510 25 of of IN 28553 510 26 high high JJ 28553 510 27 - - HYPH 28553 510 28 pressure pressure NN 28553 510 29 steam steam NN 28553 510 30 to to IN 28553 510 31 both both CC 28553 510 32 high high JJ 28553 510 33 and and CC 28553 510 34 low low JJ 28553 510 35 - - HYPH 28553 510 36 pressure pressure NN 28553 510 37 cylinders cylinder NNS 28553 510 38 for for IN 28553 510 39 starting start VBG 28553 510 40 a a DT 28553 510 41 train train NN 28553 510 42 , , , 28553 510 43 or or CC 28553 510 44 moving move VBG 28553 510 45 it -PRON- PRP 28553 510 46 up up RP 28553 510 47 heavy heavy JJ 28553 510 48 grades grade NNS 28553 510 49 . . . 28553 511 1 REVERSING reversing NN 28553 511 2 GEARS GEARS NNP 28553 511 3 . . . 28553 512 1 [ [ -LRB- 28553 512 2 Illustration illustration NN 28553 512 3 : : : 28553 512 4 FIGS FIGS NNP 28553 512 5 . . . 28553 513 1 30 30 CD 28553 513 2 , , , 28553 513 3 31 31 CD 28553 513 4 , , , 28553 513 5 32.--Showing 32.--showing CD 28553 513 6 how how WRB 28553 513 7 a a DT 28553 513 8 reversing reversing NN 28553 513 9 gear gear NN 28553 513 10 alters alter VBZ 28553 513 11 the the DT 28553 513 12 position position NN 28553 513 13 of of IN 28553 513 14 the the DT 28553 513 15 slide slide NN 28553 513 16 - - HYPH 28553 513 17 valve valve NN 28553 513 18 . . . 28553 513 19 ] ] -RRB- 28553 514 1 The the DT 28553 514 2 engines engine NNS 28553 514 3 of of IN 28553 514 4 a a DT 28553 514 5 locomotive locomotive JJ 28553 514 6 or or CC 28553 514 7 steamship steamship NN 28553 514 8 must must MD 28553 514 9 be be VB 28553 514 10 reversible reversible JJ 28553 514 11 -- -- : 28553 514 12 that that RB 28553 514 13 is is RB 28553 514 14 , , , 28553 514 15 when when WRB 28553 514 16 steam steam NN 28553 514 17 is be VBZ 28553 514 18 admitted admit VBN 28553 514 19 to to IN 28553 514 20 the the DT 28553 514 21 cylinders cylinder NNS 28553 514 22 , , , 28553 514 23 the the DT 28553 514 24 engineer engineer NN 28553 514 25 must must MD 28553 514 26 be be VB 28553 514 27 able able JJ 28553 514 28 to to TO 28553 514 29 so so RB 28553 514 30 direct direct VB 28553 514 31 it -PRON- PRP 28553 514 32 through through IN 28553 514 33 the the DT 28553 514 34 steam steam NN 28553 514 35 - - HYPH 28553 514 36 ways way NNS 28553 514 37 that that WDT 28553 514 38 the the DT 28553 514 39 cranks crank NNS 28553 514 40 may may MD 28553 514 41 turn turn VB 28553 514 42 in in RP 28553 514 43 the the DT 28553 514 44 desired desire VBN 28553 514 45 direction direction NN 28553 514 46 . . . 28553 515 1 The the DT 28553 515 2 commonest common JJS 28553 515 3 form form NN 28553 515 4 of of IN 28553 515 5 reversing reverse VBG 28553 515 6 device device NN 28553 515 7 ( ( -LRB- 28553 515 8 invented invent VBN 28553 515 9 by by IN 28553 515 10 George George NNP 28553 515 11 Stephenson Stephenson NNP 28553 515 12 ) ) -RRB- 28553 515 13 is be VBZ 28553 515 14 known know VBN 28553 515 15 as as IN 28553 515 16 Stephenson Stephenson NNP 28553 515 17 's 's POS 28553 515 18 Link Link NNP 28553 515 19 Gear Gear NNP 28553 515 20 . . . 28553 516 1 In in IN 28553 516 2 Fig Fig NNP 28553 516 3 . . . 28553 517 1 30 30 CD 28553 517 2 we -PRON- PRP 28553 517 3 have have VBP 28553 517 4 a a DT 28553 517 5 diagrammatic diagrammatic JJ 28553 517 6 presentment presentment NN 28553 517 7 of of IN 28553 517 8 this this DT 28553 517 9 gear gear NN 28553 517 10 . . . 28553 518 1 E^1 E^1 NNP 28553 518 2 and and CC 28553 518 3 E^2 E^2 NNP 28553 518 4 are be VBP 28553 518 5 two two CD 28553 518 6 eccentrics eccentric NNS 28553 518 7 set set VBN 28553 518 8 square square JJ 28553 518 9 with with IN 28553 518 10 the the DT 28553 518 11 crank crank NN 28553 518 12 at at IN 28553 518 13 opposite opposite JJ 28553 518 14 ends end NNS 28553 518 15 of of IN 28553 518 16 a a DT 28553 518 17 diameter diameter NN 28553 518 18 . . . 28553 519 1 Their -PRON- PRP$ 28553 519 2 rods rod NNS 28553 519 3 are be VBP 28553 519 4 connected connect VBN 28553 519 5 to to IN 28553 519 6 the the DT 28553 519 7 ends end NNS 28553 519 8 of of IN 28553 519 9 a a DT 28553 519 10 link link NN 28553 519 11 , , , 28553 519 12 L l NN 28553 519 13 , , , 28553 519 14 which which WDT 28553 519 15 can can MD 28553 519 16 be be VB 28553 519 17 raised raise VBN 28553 519 18 and and CC 28553 519 19 lowered lower VBN 28553 519 20 by by IN 28553 519 21 means mean NNS 28553 519 22 of of IN 28553 519 23 levers lever NNS 28553 519 24 ( ( -LRB- 28553 519 25 not not RB 28553 519 26 shown show VBN 28553 519 27 ) ) -RRB- 28553 519 28 . . . 28553 520 1 B b NN 28553 520 2 is be VBZ 28553 520 3 a a DT 28553 520 4 block block NN 28553 520 5 which which WDT 28553 520 6 can can MD 28553 520 7 partly partly RB 28553 520 8 revolve revolve VB 28553 520 9 on on IN 28553 520 10 a a DT 28553 520 11 pin pin NN 28553 520 12 projecting projecting NN 28553 520 13 from from IN 28553 520 14 the the DT 28553 520 15 valve valve NN 28553 520 16 rod rod NN 28553 520 17 , , , 28553 520 18 working work VBG 28553 520 19 through through IN 28553 520 20 a a DT 28553 520 21 guide guide NN 28553 520 22 , , , 28553 520 23 G. G. NNP 28553 520 24 In In NNP 28553 520 25 Fig Fig NNP 28553 520 26 . . . 28553 521 1 31 31 CD 28553 521 2 the the DT 28553 521 3 link link NN 28553 521 4 is be VBZ 28553 521 5 half half RB 28553 521 6 raised raise VBN 28553 521 7 , , , 28553 521 8 or or CC 28553 521 9 in in IN 28553 521 10 " " `` 28553 521 11 mid mid JJ 28553 521 12 - - NN 28553 521 13 gear gear NN 28553 521 14 , , , 28553 521 15 " " '' 28553 521 16 as as IN 28553 521 17 drivers driver NNS 28553 521 18 say say VBP 28553 521 19 . . . 28553 522 1 Eccentric eccentric JJ 28553 522 2 E^1 E^1 NNP 28553 522 3 has have VBZ 28553 522 4 pushed push VBN 28553 522 5 the the DT 28553 522 6 lower low JJR 28553 522 7 end end NN 28553 522 8 of of IN 28553 522 9 the the DT 28553 522 10 link link NN 28553 522 11 fully fully RB 28553 522 12 back back RB 28553 522 13 ; ; : 28553 522 14 E^2 E^2 NNP 28553 522 15 has have VBZ 28553 522 16 pulled pull VBN 28553 522 17 it -PRON- PRP 28553 522 18 fully fully RB 28553 522 19 forward forward RB 28553 522 20 ; ; : 28553 522 21 and and CC 28553 522 22 since since IN 28553 522 23 any any DT 28553 522 24 movement movement NN 28553 522 25 of of IN 28553 522 26 the the DT 28553 522 27 one one CD 28553 522 28 eccentric eccentric NN 28553 522 29 is be VBZ 28553 522 30 counterbalanced counterbalance VBN 28553 522 31 by by IN 28553 522 32 the the DT 28553 522 33 opposite opposite JJ 28553 522 34 movement movement NN 28553 522 35 of of IN 28553 522 36 the the DT 28553 522 37 other other JJ 28553 522 38 , , , 28553 522 39 rotation rotation NN 28553 522 40 of of IN 28553 522 41 the the DT 28553 522 42 eccentrics eccentric NNS 28553 522 43 would would MD 28553 522 44 not not RB 28553 522 45 cause cause VB 28553 522 46 the the DT 28553 522 47 valve valve NN 28553 522 48 to to TO 28553 522 49 move move VB 28553 522 50 at at RB 28553 522 51 all all RB 28553 522 52 , , , 28553 522 53 and and CC 28553 522 54 no no DT 28553 522 55 steam steam NN 28553 522 56 could could MD 28553 522 57 be be VB 28553 522 58 admitted admit VBN 28553 522 59 to to IN 28553 522 60 the the DT 28553 522 61 cylinder cylinder NN 28553 522 62 . . . 28553 523 1 Let let VB 28553 523 2 us -PRON- PRP 28553 523 3 suppose suppose VB 28553 523 4 that that IN 28553 523 5 Fig Fig NNP 28553 523 6 . . . 28553 524 1 30 30 CD 28553 524 2 denotes denote VBZ 28553 524 3 one one CD 28553 524 4 cylinder cylinder NN 28553 524 5 , , , 28553 524 6 crank crank NNP 28553 524 7 , , , 28553 524 8 rods rod NNS 28553 524 9 , , , 28553 524 10 etc etc FW 28553 524 11 . . FW 28553 524 12 , , , 28553 524 13 of of IN 28553 524 14 a a DT 28553 524 15 locomotive locomotive NN 28553 524 16 . . . 28553 525 1 The the DT 28553 525 2 crank crank NN 28553 525 3 has have VBZ 28553 525 4 come come VBN 28553 525 5 to to TO 28553 525 6 rest rest VB 28553 525 7 at at IN 28553 525 8 its -PRON- PRP$ 28553 525 9 half half JJ 28553 525 10 - - HYPH 28553 525 11 stroke stroke NN 28553 525 12 ; ; : 28553 525 13 the the DT 28553 525 14 reversing reversing NN 28553 525 15 lever lever NN 28553 525 16 is be VBZ 28553 525 17 at at IN 28553 525 18 the the DT 28553 525 19 mid mid JJ 28553 525 20 - - JJ 28553 525 21 gear gear JJ 28553 525 22 notch notch NN 28553 525 23 . . . 28553 526 1 If if IN 28553 526 2 the the DT 28553 526 3 engineer engineer NN 28553 526 4 desires desire VBZ 28553 526 5 to to TO 28553 526 6 turn turn VB 28553 526 7 his -PRON- PRP$ 28553 526 8 cranks crank NNS 28553 526 9 in in IN 28553 526 10 an an DT 28553 526 11 anti anti JJ 28553 526 12 - - JJ 28553 526 13 clockwise clockwise JJ 28553 526 14 direction direction NN 28553 526 15 , , , 28553 526 16 he -PRON- PRP 28553 526 17 _ _ NNP 28553 526 18 raises raise VBZ 28553 526 19 _ _ NNP 28553 526 20 the the DT 28553 526 21 link link NN 28553 526 22 , , , 28553 526 23 which which WDT 28553 526 24 brings bring VBZ 28553 526 25 the the DT 28553 526 26 rod rod NN 28553 526 27 of of IN 28553 526 28 E^1 E^1 NNP 28553 526 29 into into IN 28553 526 30 line line NN 28553 526 31 with with IN 28553 526 32 the the DT 28553 526 33 valve valve NN 28553 526 34 rod rod NN 28553 526 35 and and CC 28553 526 36 presses press VBZ 28553 526 37 the the DT 28553 526 38 block block NN 28553 526 39 _ _ NNP 28553 526 40 backwards backwards IN 28553 526 41 _ _ NNP 28553 526 42 till till IN 28553 526 43 the the DT 28553 526 44 right right JJ 28553 526 45 - - HYPH 28553 526 46 hand hand NN 28553 526 47 port port NN 28553 526 48 is be VBZ 28553 526 49 uncovered uncover VBN 28553 526 50 ( ( -LRB- 28553 526 51 Fig fig NN 28553 526 52 . . . 28553 527 1 31 31 CD 28553 527 2 ) ) -RRB- 28553 527 3 . . . 28553 528 1 If if IN 28553 528 2 steam steam NN 28553 528 3 be be VBP 28553 528 4 now now RB 28553 528 5 admitted admit VBN 28553 528 6 , , , 28553 528 7 the the DT 28553 528 8 piston piston NN 28553 528 9 will will MD 28553 528 10 be be VB 28553 528 11 pushed push VBN 28553 528 12 towards towards IN 28553 528 13 the the DT 28553 528 14 left left NN 28553 528 15 , , , 28553 528 16 and and CC 28553 528 17 the the DT 28553 528 18 engine engine NN 28553 528 19 will will MD 28553 528 20 continue continue VB 28553 528 21 to to TO 28553 528 22 run run VB 28553 528 23 in in IN 28553 528 24 an an DT 28553 528 25 anti anti JJ 28553 528 26 - - JJ 28553 528 27 clockwise clockwise JJ 28553 528 28 direction direction NN 28553 528 29 . . . 28553 529 1 If if IN 28553 529 2 , , , 28553 529 3 on on IN 28553 529 4 the the DT 28553 529 5 other other JJ 28553 529 6 hand hand NN 28553 529 7 , , , 28553 529 8 he -PRON- PRP 28553 529 9 wants want VBZ 28553 529 10 to to TO 28553 529 11 run run VB 28553 529 12 the the DT 28553 529 13 engine engine NN 28553 529 14 the the DT 28553 529 15 other other JJ 28553 529 16 way way NN 28553 529 17 , , , 28553 529 18 he -PRON- PRP 28553 529 19 would would MD 28553 529 20 _ _ NNP 28553 529 21 drop drop VB 28553 529 22 _ _ IN 28553 529 23 the the DT 28553 529 24 link link NN 28553 529 25 , , , 28553 529 26 bringing bring VBG 28553 529 27 the the DT 28553 529 28 rod rod NN 28553 529 29 of of IN 28553 529 30 E^2 E^2 NNP 28553 529 31 into into IN 28553 529 32 line line NN 28553 529 33 with with IN 28553 529 34 the the DT 28553 529 35 valve valve NN 28553 529 36 rod rod NN 28553 529 37 , , , 28553 529 38 and and CC 28553 529 39 drawing draw VBG 28553 529 40 V V NNP 28553 529 41 _ _ NNP 28553 529 42 forward forward RB 28553 529 43 _ _ NNP 28553 529 44 to to TO 28553 529 45 uncover uncover VB 28553 529 46 the the DT 28553 529 47 rear rear JJ 28553 529 48 port port NN 28553 529 49 ( ( -LRB- 28553 529 50 Fig fig NN 28553 529 51 . . . 28553 530 1 32 32 CD 28553 530 2 ) ) -RRB- 28553 530 3 . . . 28553 531 1 In in IN 28553 531 2 either either DT 28553 531 3 case case NN 28553 531 4 the the DT 28553 531 5 eccentric eccentric NN 28553 531 6 working work VBG 28553 531 7 the the DT 28553 531 8 end end NN 28553 531 9 of of IN 28553 531 10 the the DT 28553 531 11 link link NN 28553 531 12 remote remote NN 28553 531 13 from from IN 28553 531 14 B B NNP 28553 531 15 has have VBZ 28553 531 16 no no DT 28553 531 17 effect effect NN 28553 531 18 , , , 28553 531 19 since since IN 28553 531 20 it -PRON- PRP 28553 531 21 merely merely RB 28553 531 22 causes cause VBZ 28553 531 23 that that WDT 28553 531 24 end end VBP 28553 531 25 to to TO 28553 531 26 describe describe VB 28553 531 27 arcs arc NNS 28553 531 28 of of IN 28553 531 29 circles circle NNS 28553 531 30 of of IN 28553 531 31 which which WDT 28553 531 32 B B NNP 28553 531 33 is be VBZ 28553 531 34 the the DT 28553 531 35 centre centre NN 28553 531 36 . . . 28553 532 1 " " `` 28553 532 2 LINKING link VBG 28553 532 3 UP up RP 28553 532 4 . . . 28553 532 5 " " '' 28553 533 1 If if IN 28553 533 2 the the DT 28553 533 3 link link NN 28553 533 4 is be VBZ 28553 533 5 only only RB 28553 533 6 partly partly RB 28553 533 7 lowered lower VBN 28553 533 8 or or CC 28553 533 9 raised raise VBN 28553 533 10 from from IN 28553 533 11 the the DT 28553 533 12 central central JJ 28553 533 13 position position NN 28553 533 14 it -PRON- PRP 28553 533 15 still still RB 28553 533 16 causes cause VBZ 28553 533 17 the the DT 28553 533 18 engine engine NN 28553 533 19 to to TO 28553 533 20 run run VB 28553 533 21 accordingly accordingly RB 28553 533 22 , , , 28553 533 23 but but CC 28553 533 24 the the DT 28553 533 25 movement movement NN 28553 533 26 of of IN 28553 533 27 the the DT 28553 533 28 valve valve NN 28553 533 29 is be VBZ 28553 533 30 decreased decrease VBN 28553 533 31 . . . 28553 534 1 When when WRB 28553 534 2 running run VBG 28553 534 3 at at IN 28553 534 4 high high JJ 28553 534 5 speed speed NN 28553 534 6 the the DT 28553 534 7 engineer engineer NN 28553 534 8 " " `` 28553 534 9 links link VBZ 28553 534 10 up up RP 28553 534 11 " " '' 28553 534 12 his -PRON- PRP$ 28553 534 13 reversing reversing NN 28553 534 14 gear gear NN 28553 534 15 , , , 28553 534 16 causing cause VBG 28553 534 17 his -PRON- PRP$ 28553 534 18 valves valve NNS 28553 534 19 to to TO 28553 534 20 cut cut VB 28553 534 21 off off RP 28553 534 22 early early RB 28553 534 23 in in IN 28553 534 24 the the DT 28553 534 25 stroke stroke NN 28553 534 26 , , , 28553 534 27 and and CC 28553 534 28 the the DT 28553 534 29 steam steam NN 28553 534 30 to to TO 28553 534 31 work work VB 28553 534 32 more more RBR 28553 534 33 expansively expansively RB 28553 534 34 than than IN 28553 534 35 it -PRON- PRP 28553 534 36 could could MD 28553 534 37 with with IN 28553 534 38 the the DT 28553 534 39 lever lever NN 28553 534 40 at at IN 28553 534 41 _ _ NNP 28553 534 42 full full JJ 28553 534 43 _ _ NNP 28553 534 44 , , , 28553 534 45 or or CC 28553 534 46 _ _ NNP 28553 534 47 end end NN 28553 534 48 _ _ NNP 28553 534 49 , , , 28553 534 50 gear gear NN 28553 534 51 ; ; : 28553 534 52 so so IN 28553 534 53 that that IN 28553 534 54 this this DT 28553 534 55 device device NN 28553 534 56 not not RB 28553 534 57 only only RB 28553 534 58 renders render VBZ 28553 534 59 an an DT 28553 534 60 engine engine NN 28553 534 61 reversible reversible NN 28553 534 62 , , , 28553 534 63 but but CC 28553 534 64 also also RB 28553 534 65 gives give VBZ 28553 534 66 the the DT 28553 534 67 engineer engineer NN 28553 534 68 an an DT 28553 534 69 absolute absolute JJ 28553 534 70 command command NN 28553 534 71 over over IN 28553 534 72 the the DT 28553 534 73 expansion expansion NN 28553 534 74 ratio ratio NN 28553 534 75 of of IN 28553 534 76 the the DT 28553 534 77 steam steam NN 28553 534 78 admitted admit VBN 28553 534 79 to to IN 28553 534 80 the the DT 28553 534 81 cylinder cylinder NN 28553 534 82 , , , 28553 534 83 and and CC 28553 534 84 furnishes furnish VBZ 28553 534 85 a a DT 28553 534 86 method method NN 28553 534 87 of of IN 28553 534 88 cutting cut VBG 28553 534 89 off off RP 28553 534 90 the the DT 28553 534 91 steam steam NN 28553 534 92 altogether altogether RB 28553 534 93 . . . 28553 535 1 In in IN 28553 535 2 Figs fig NNS 28553 535 3 . . . 28553 536 1 30 30 CD 28553 536 2 , , , 28553 536 3 31 31 CD 28553 536 4 , , , 28553 536 5 32 32 CD 28553 536 6 , , , 28553 536 7 the the DT 28553 536 8 valve valve NN 28553 536 9 has have VBZ 28553 536 10 no no DT 28553 536 11 lap lap NN 28553 536 12 and and CC 28553 536 13 the the DT 28553 536 14 eccentrics eccentric NNS 28553 536 15 are be VBP 28553 536 16 set set VBN 28553 536 17 square square JJ 28553 536 18 . . . 28553 537 1 In in IN 28553 537 2 actual actual JJ 28553 537 3 practice practice NN 28553 537 4 the the DT 28553 537 5 valve valve NN 28553 537 6 faces face NNS 28553 537 7 would would MD 28553 537 8 have have VB 28553 537 9 " " `` 28553 537 10 lap lap NN 28553 537 11 " " '' 28553 537 12 and and CC 28553 537 13 the the DT 28553 537 14 eccentric eccentric JJ 28553 537 15 " " `` 28553 537 16 lead lead NN 28553 537 17 " " '' 28553 537 18 to to TO 28553 537 19 correspond correspond VB 28553 537 20 ; ; : 28553 537 21 but but CC 28553 537 22 for for IN 28553 537 23 the the DT 28553 537 24 sake sake NN 28553 537 25 of of IN 28553 537 26 simplicity simplicity NN 28553 537 27 neither neither CC 28553 537 28 is be VBZ 28553 537 29 shown show VBN 28553 537 30 . . . 28553 538 1 OTHER other JJ 28553 538 2 GEARS GEARS NNP 28553 538 3 . . . 28553 539 1 In in IN 28553 539 2 the the DT 28553 539 3 Gooch Gooch NNP 28553 539 4 gear gear NN 28553 539 5 for for IN 28553 539 6 reversing reverse VBG 28553 539 7 locomotives locomotive NNS 28553 539 8 the the DT 28553 539 9 link link NN 28553 539 10 does do VBZ 28553 539 11 not not RB 28553 539 12 shift shift VB 28553 539 13 , , , 28553 539 14 but but CC 28553 539 15 the the DT 28553 539 16 valve valve NN 28553 539 17 rod rod NN 28553 539 18 and and CC 28553 539 19 its -PRON- PRP$ 28553 539 20 block block NN 28553 539 21 is be VBZ 28553 539 22 raised raise VBN 28553 539 23 or or CC 28553 539 24 lowered lower VBN 28553 539 25 . . . 28553 540 1 The the DT 28553 540 2 Allan Allan NNP 28553 540 3 gear gear NN 28553 540 4 is be VBZ 28553 540 5 so so RB 28553 540 6 arranged arrange VBN 28553 540 7 that that IN 28553 540 8 when when WRB 28553 540 9 the the DT 28553 540 10 link link NN 28553 540 11 is be VBZ 28553 540 12 raised raise VBN 28553 540 13 the the DT 28553 540 14 block block NN 28553 540 15 is be VBZ 28553 540 16 lowered lower VBN 28553 540 17 , , , 28553 540 18 and and CC 28553 540 19 _ _ NNP 28553 540 20 vice vice NNP 28553 540 21 versâ versâ NNP 28553 540 22 _ _ NNP 28553 540 23 . . . 28553 541 1 These these DT 28553 541 2 are be VBP 28553 541 3 really really RB 28553 541 4 only only RB 28553 541 5 modifications modification NNS 28553 541 6 of of IN 28553 541 7 Stephenson Stephenson NNP 28553 541 8 's 's POS 28553 541 9 principle principle NN 28553 541 10 -- -- : 28553 541 11 namely namely RB 28553 541 12 , , , 28553 541 13 the the DT 28553 541 14 employment employment NN 28553 541 15 of of IN 28553 541 16 _ _ NNP 28553 541 17 two two CD 28553 541 18 _ _ NNP 28553 541 19 eccentrics eccentric NNS 28553 541 20 set set VBN 28553 541 21 at at IN 28553 541 22 equal equal JJ 28553 541 23 angles angle NNS 28553 541 24 to to IN 28553 541 25 and and CC 28553 541 26 on on IN 28553 541 27 opposite opposite JJ 28553 541 28 sides side NNS 28553 541 29 of of IN 28553 541 30 the the DT 28553 541 31 crank crank NN 28553 541 32 . . . 28553 542 1 There there EX 28553 542 2 are be VBP 28553 542 3 three three CD 28553 542 4 other other JJ 28553 542 5 forms form NNS 28553 542 6 of of IN 28553 542 7 link link NN 28553 542 8 - - HYPH 28553 542 9 reversing reversing NN 28553 542 10 gear gear NN 28553 542 11 , , , 28553 542 12 and and CC 28553 542 13 nearly nearly RB 28553 542 14 a a DT 28553 542 15 dozen dozen NN 28553 542 16 types type NNS 28553 542 17 of of IN 28553 542 18 _ _ NNP 28553 542 19 radial radial JJ 28553 542 20 _ _ NNP 28553 542 21 reversing reversing NN 28553 542 22 devices device NNS 28553 542 23 ; ; : 28553 542 24 but but CC 28553 542 25 as as IN 28553 542 26 we -PRON- PRP 28553 542 27 have have VBP 28553 542 28 already already RB 28553 542 29 described describe VBN 28553 542 30 the the DT 28553 542 31 three three CD 28553 542 32 most most RBS 28553 542 33 commonly commonly RB 28553 542 34 used use VBN 28553 542 35 on on IN 28553 542 36 locomotives locomotive NNS 28553 542 37 and and CC 28553 542 38 ships ship NNS 28553 542 39 , , , 28553 542 40 there there EX 28553 542 41 is be VBZ 28553 542 42 no no DT 28553 542 43 need need NN 28553 542 44 to to TO 28553 542 45 give give VB 28553 542 46 particulars particular NNS 28553 542 47 of of IN 28553 542 48 these these DT 28553 542 49 . . . 28553 543 1 Before before IN 28553 543 2 the the DT 28553 543 3 introduction introduction NN 28553 543 4 of of IN 28553 543 5 Stephenson Stephenson NNP 28553 543 6 's 's POS 28553 543 7 gear gear NN 28553 543 8 a a DT 28553 543 9 single single JJ 28553 543 10 eccentric eccentric NN 28553 543 11 was be VBD 28553 543 12 used use VBN 28553 543 13 for for IN 28553 543 14 each each DT 28553 543 15 cylinder cylinder NN 28553 543 16 , , , 28553 543 17 and and CC 28553 543 18 to to TO 28553 543 19 reverse reverse VB 28553 543 20 the the DT 28553 543 21 engine engine NN 28553 543 22 this this DT 28553 543 23 eccentric eccentric NN 28553 543 24 had have VBD 28553 543 25 to to TO 28553 543 26 be be VB 28553 543 27 loose loose JJ 28553 543 28 on on IN 28553 543 29 the the DT 28553 543 30 axle axle NN 28553 543 31 . . . 28553 544 1 " " `` 28553 544 2 A a DT 28553 544 3 lever lever NN 28553 544 4 and and CC 28553 544 5 gear gear NN 28553 544 6 worked work VBN 28553 544 7 by by IN 28553 544 8 a a DT 28553 544 9 treadle treadle NN 28553 544 10 on on IN 28553 544 11 the the DT 28553 544 12 footplate footplate NN 28553 544 13 controlled control VBD 28553 544 14 the the DT 28553 544 15 position position NN 28553 544 16 of of IN 28553 544 17 the the DT 28553 544 18 eccentrics eccentric NNS 28553 544 19 . . . 28553 545 1 When when WRB 28553 545 2 starting start VBG 28553 545 3 the the DT 28553 545 4 engine engine NN 28553 545 5 , , , 28553 545 6 the the DT 28553 545 7 driver driver NN 28553 545 8 put put VBD 28553 545 9 the the DT 28553 545 10 eccentrics eccentric NNS 28553 545 11 out out IN 28553 545 12 of of IN 28553 545 13 gear gear NN 28553 545 14 by by IN 28553 545 15 the the DT 28553 545 16 treadle treadle NN 28553 545 17 ; ; : 28553 545 18 then then RB 28553 545 19 , , , 28553 545 20 by by IN 28553 545 21 means mean NNS 28553 545 22 of of IN 28553 545 23 a a DT 28553 545 24 lever lever NN 28553 545 25 he -PRON- PRP 28553 545 26 raised raise VBD 28553 545 27 the the DT 28553 545 28 small small JJ 28553 545 29 - - HYPH 28553 545 30 ends[5 ends[5 NN 28553 545 31 ] ] -RRB- 28553 545 32 of of IN 28553 545 33 the the DT 28553 545 34 eccentric eccentric JJ 28553 545 35 rods rod NNS 28553 545 36 , , , 28553 545 37 and and CC 28553 545 38 , , , 28553 545 39 noting note VBG 28553 545 40 the the DT 28553 545 41 position position NN 28553 545 42 of of IN 28553 545 43 the the DT 28553 545 44 cranks crank NNS 28553 545 45 , , , 28553 545 46 or or CC 28553 545 47 , , , 28553 545 48 if if IN 28553 545 49 more more RBR 28553 545 50 convenient convenient JJ 28553 545 51 , , , 28553 545 52 the the DT 28553 545 53 balance balance NN 28553 545 54 weight weight NN 28553 545 55 in in IN 28553 545 56 the the DT 28553 545 57 wheels wheel NNS 28553 545 58 , , , 28553 545 59 he -PRON- PRP 28553 545 60 , , , 28553 545 61 by by IN 28553 545 62 means mean NNS 28553 545 63 of of IN 28553 545 64 another another DT 28553 545 65 handle handle NN 28553 545 66 , , , 28553 545 67 moved move VBD 28553 545 68 the the DT 28553 545 69 valves valve NNS 28553 545 70 to to TO 28553 545 71 open open VB 28553 545 72 the the DT 28553 545 73 necessary necessary JJ 28553 545 74 ports port NNS 28553 545 75 to to TO 28553 545 76 steam steam VB 28553 545 77 and and CC 28553 545 78 worked work VBD 28553 545 79 them -PRON- PRP 28553 545 80 by by IN 28553 545 81 hand hand NN 28553 545 82 until until IN 28553 545 83 the the DT 28553 545 84 engine engine NN 28553 545 85 was be VBD 28553 545 86 moving move VBG 28553 545 87 ; ; : 28553 545 88 then then RB 28553 545 89 , , , 28553 545 90 with with IN 28553 545 91 the the DT 28553 545 92 treadle treadle NN 28553 545 93 , , , 28553 545 94 he -PRON- PRP 28553 545 95 threw throw VBD 28553 545 96 the the DT 28553 545 97 eccentrics eccentric NNS 28553 545 98 over over RP 28553 545 99 to to TO 28553 545 100 engage engage VB 28553 545 101 the the DT 28553 545 102 studs stud NNS 28553 545 103 , , , 28553 545 104 at at IN 28553 545 105 the the DT 28553 545 106 same same JJ 28553 545 107 time time NN 28553 545 108 dropping drop VBG 28553 545 109 the the DT 28553 545 110 small small JJ 28553 545 111 - - HYPH 28553 545 112 ends end NNS 28553 545 113 of of IN 28553 545 114 the the DT 28553 545 115 rods rod NNS 28553 545 116 to to TO 28553 545 117 engage engage VB 28553 545 118 pins pin NNS 28553 545 119 upon upon IN 28553 545 120 the the DT 28553 545 121 valve valve NN 28553 545 122 spindles spindle NNS 28553 545 123 , , , 28553 545 124 so so IN 28553 545 125 that that IN 28553 545 126 they -PRON- PRP 28553 545 127 continued continue VBD 28553 545 128 to to TO 28553 545 129 keep keep VB 28553 545 130 up up RP 28553 545 131 the the DT 28553 545 132 movement movement NN 28553 545 133 of of IN 28553 545 134 the the DT 28553 545 135 valve valve NN 28553 545 136 . . . 28553 546 1 " " `` 28553 546 2 [ [ -LRB- 28553 546 3 6 6 CD 28553 546 4 ] ] -RRB- 28553 546 5 One one PRP 28553 546 6 would would MD 28553 546 7 imagine imagine VB 28553 546 8 that that IN 28553 546 9 in in IN 28553 546 10 modern modern JJ 28553 546 11 shunting shunting NN 28553 546 12 yards yard NNS 28553 546 13 such such PDT 28553 546 14 a a DT 28553 546 15 device device NN 28553 546 16 would would MD 28553 546 17 somewhat somewhat RB 28553 546 18 delay delay VB 28553 546 19 operations operation NNS 28553 546 20 ! ! . 28553 547 1 PISTON PISTON NNP 28553 547 2 VALVES VALVES NNP 28553 547 3 . . . 28553 548 1 In in IN 28553 548 2 marine marine JJ 28553 548 3 engines engine NNS 28553 548 4 , , , 28553 548 5 and and CC 28553 548 6 on on IN 28553 548 7 many many JJ 28553 548 8 locomotives locomotive NNS 28553 548 9 and and CC 28553 548 10 some some DT 28553 548 11 stationary stationary JJ 28553 548 12 engines engine NNS 28553 548 13 , , , 28553 548 14 the the DT 28553 548 15 D D NNP 28553 548 16 - - HYPH 28553 548 17 valve valve NN 28553 548 18 ( ( -LRB- 28553 548 19 shown show VBN 28553 548 20 in in IN 28553 548 21 Figs Figs NNP 28553 548 22 . . . 28553 549 1 30 30 CD 28553 549 2 - - SYM 28553 549 3 32 32 CD 28553 549 4 ) ) -RRB- 28553 549 5 is be VBZ 28553 549 6 replaced replace VBN 28553 549 7 by by IN 28553 549 8 a a DT 28553 549 9 piston piston NN 28553 549 10 valve valve NN 28553 549 11 , , , 28553 549 12 or or CC 28553 549 13 circular circular JJ 28553 549 14 valve valve NN 28553 549 15 , , , 28553 549 16 working work VBG 28553 549 17 up up IN 28553 549 18 and and CC 28553 549 19 down down RB 28553 549 20 in in IN 28553 549 21 a a DT 28553 549 22 tubular tubular JJ 28553 549 23 seating seating NN 28553 549 24 . . . 28553 550 1 It -PRON- PRP 28553 550 2 may may MD 28553 550 3 best well RBS 28553 550 4 be be VB 28553 550 5 described describe VBN 28553 550 6 as as IN 28553 550 7 a a DT 28553 550 8 rod rod NN 28553 550 9 carrying carry VBG 28553 550 10 two two CD 28553 550 11 pistons piston NNS 28553 550 12 which which WDT 28553 550 13 correspond correspond VBP 28553 550 14 to to IN 28553 550 15 the the DT 28553 550 16 faces face NNS 28553 550 17 of of IN 28553 550 18 a a DT 28553 550 19 D d NN 28553 550 20 - - HYPH 28553 550 21 valve valve NN 28553 550 22 . . . 28553 551 1 Instead instead RB 28553 551 2 of of IN 28553 551 3 rectangular rectangular JJ 28553 551 4 ports port NNS 28553 551 5 there there EX 28553 551 6 are be VBP 28553 551 7 openings opening NNS 28553 551 8 in in IN 28553 551 9 the the DT 28553 551 10 tube tube NN 28553 551 11 in in IN 28553 551 12 which which WDT 28553 551 13 the the DT 28553 551 14 piston piston NN 28553 551 15 valve valve NN 28553 551 16 moves move NNS 28553 551 17 , , , 28553 551 18 communicating communicate VBG 28553 551 19 with with IN 28553 551 20 the the DT 28553 551 21 steam steam NN 28553 551 22 - - HYPH 28553 551 23 ways way NNS 28553 551 24 into into IN 28553 551 25 the the DT 28553 551 26 cylinder cylinder NN 28553 551 27 and and CC 28553 551 28 with with IN 28553 551 29 the the DT 28553 551 30 exhaust exhaust NN 28553 551 31 pipe pipe NN 28553 551 32 . . . 28553 552 1 In in IN 28553 552 2 the the DT 28553 552 3 case case NN 28553 552 4 of of IN 28553 552 5 the the DT 28553 552 6 D D NNP 28553 552 7 - - HYPH 28553 552 8 valve valve NN 28553 552 9 the the DT 28553 552 10 pressure pressure NN 28553 552 11 above above IN 28553 552 12 it -PRON- PRP 28553 552 13 is be VBZ 28553 552 14 much much RB 28553 552 15 greater great JJR 28553 552 16 than than IN 28553 552 17 that that DT 28553 552 18 below below RB 28553 552 19 , , , 28553 552 20 and and CC 28553 552 21 considerable considerable JJ 28553 552 22 friction friction NN 28553 552 23 arises arise VBZ 28553 552 24 if if IN 28553 552 25 the the DT 28553 552 26 rubbing rubbing NN 28553 552 27 faces face NNS 28553 552 28 are be VBP 28553 552 29 not not RB 28553 552 30 kept keep VBN 28553 552 31 well well RB 28553 552 32 lubricated lubricate VBN 28553 552 33 . . . 28553 553 1 The the DT 28553 553 2 piston piston NN 28553 553 3 valve valve NN 28553 553 4 gets get VBZ 28553 553 5 over over IN 28553 553 6 this this DT 28553 553 7 difficulty difficulty NN 28553 553 8 , , , 28553 553 9 since since IN 28553 553 10 such such JJ 28553 553 11 steam steam NN 28553 553 12 as as IN 28553 553 13 may may MD 28553 553 14 leak leak VB 28553 553 15 past past IN 28553 553 16 it -PRON- PRP 28553 553 17 presses press VBZ 28553 553 18 on on IN 28553 553 19 its -PRON- PRP$ 28553 553 20 circumference circumference NN 28553 553 21 at at IN 28553 553 22 all all DT 28553 553 23 points point NNS 28553 553 24 equally equally RB 28553 553 25 . . . 28553 554 1 SPEED SPEED NNP 28553 554 2 GOVERNORS GOVERNORS NNP 28553 554 3 . . . 28553 555 1 [ [ -LRB- 28553 555 2 Illustration illustration NN 28553 555 3 : : : 28553 555 4 FIG FIG NNP 28553 555 5 . . . 28553 556 1 33.--A 33.--a CD 28553 556 2 speed speed NN 28553 556 3 governor governor NN 28553 556 4 . . . 28553 556 5 ] ] -RRB- 28553 557 1 Practically practically RB 28553 557 2 all all DT 28553 557 3 engines engine NNS 28553 557 4 except except IN 28553 557 5 locomotives locomotive NNS 28553 557 6 and and CC 28553 557 7 those those DT 28553 557 8 known know VBN 28553 557 9 as as IN 28553 557 10 " " `` 28553 557 11 donkey donkey NN 28553 557 12 - - HYPH 28553 557 13 engines"--used engines"--use VBN 28553 557 14 on on IN 28553 557 15 cranes crane NNS 28553 557 16 -- -- : 28553 557 17 are be VBP 28553 557 18 fitted fit VBN 28553 557 19 with with IN 28553 557 20 some some DT 28553 557 21 device device NN 28553 557 22 for for IN 28553 557 23 keeping keep VBG 28553 557 24 the the DT 28553 557 25 rotatory rotatory JJ 28553 557 26 speed speed NN 28553 557 27 of of IN 28553 557 28 the the DT 28553 557 29 crank crank NN 28553 557 30 constant constant NN 28553 557 31 within within IN 28553 557 32 very very RB 28553 557 33 narrow narrow JJ 28553 557 34 limits limit NNS 28553 557 35 . . . 28553 558 1 Perhaps perhaps RB 28553 558 2 you -PRON- PRP 28553 558 3 have have VBP 28553 558 4 seen see VBN 28553 558 5 a a DT 28553 558 6 pair pair NN 28553 558 7 of of IN 28553 558 8 balls ball NNS 28553 558 9 moving move VBG 28553 558 10 round round RB 28553 558 11 on on IN 28553 558 12 a a DT 28553 558 13 seating seating NN 28553 558 14 over over IN 28553 558 15 the the DT 28553 558 16 boiler boiler NN 28553 558 17 of of IN 28553 558 18 a a DT 28553 558 19 threshing threshing JJ 28553 558 20 - - HYPH 28553 558 21 engine engine NN 28553 558 22 . . . 28553 559 1 They -PRON- PRP 28553 559 2 form form VBP 28553 559 3 part part NN 28553 559 4 of of IN 28553 559 5 the the DT 28553 559 6 " " `` 28553 559 7 governor governor NN 28553 559 8 , , , 28553 559 9 " " '' 28553 559 10 or or CC 28553 559 11 speed speed NN 28553 559 12 - - HYPH 28553 559 13 controller controller NN 28553 559 14 , , , 28553 559 15 shown show VBN 28553 559 16 in in IN 28553 559 17 principle principle NN 28553 559 18 in in IN 28553 559 19 Fig Fig NNP 28553 559 20 . . . 28553 560 1 33 33 CD 28553 560 2 . . . 28553 561 1 A a DT 28553 561 2 belt belt NN 28553 561 3 driven drive VBN 28553 561 4 by by IN 28553 561 5 a a DT 28553 561 6 pulley pulley NN 28553 561 7 on on IN 28553 561 8 the the DT 28553 561 9 crank crank NN 28553 561 10 shaft shaft NN 28553 561 11 turns turn VBZ 28553 561 12 a a DT 28553 561 13 small small JJ 28553 561 14 pulley pulley NN 28553 561 15 , , , 28553 561 16 P p NN 28553 561 17 , , , 28553 561 18 at at IN 28553 561 19 the the DT 28553 561 20 foot foot NN 28553 561 21 of of IN 28553 561 22 the the DT 28553 561 23 governor governor NN 28553 561 24 . . . 28553 562 1 This this DT 28553 562 2 transmits transmit VBZ 28553 562 3 motion motion NN 28553 562 4 through through IN 28553 562 5 two two CD 28553 562 6 bevel bevel NN 28553 562 7 - - HYPH 28553 562 8 wheels wheel NNS 28553 562 9 , , , 28553 562 10 G G NNP 28553 562 11 , , , 28553 562 12 to to IN 28553 562 13 a a DT 28553 562 14 vertical vertical JJ 28553 562 15 shaft shaft NN 28553 562 16 , , , 28553 562 17 from from IN 28553 562 18 the the DT 28553 562 19 top top NN 28553 562 20 of of IN 28553 562 21 which which WDT 28553 562 22 hang hang VBP 28553 562 23 two two CD 28553 562 24 heavy heavy JJ 28553 562 25 balls ball NNS 28553 562 26 on on IN 28553 562 27 links link NNS 28553 562 28 , , , 28553 562 29 K K NNP 28553 562 30 K. K. NNP 28553 562 31 Two two CD 28553 562 32 more more JJR 28553 562 33 links link NNS 28553 562 34 , , , 28553 562 35 L L NNP 28553 562 36 L L NNP 28553 562 37 , , , 28553 562 38 connect connect VB 28553 562 39 the the DT 28553 562 40 balls ball NNS 28553 562 41 with with IN 28553 562 42 a a DT 28553 562 43 weight weight NN 28553 562 44 , , , 28553 562 45 W W NNP 28553 562 46 , , , 28553 562 47 which which WDT 28553 562 48 has have VBZ 28553 562 49 a a DT 28553 562 50 deep deep JJ 28553 562 51 groove groove NN 28553 562 52 cut cut NN 28553 562 53 round round VB 28553 562 54 it -PRON- PRP 28553 562 55 at at IN 28553 562 56 the the DT 28553 562 57 bottom bottom NN 28553 562 58 . . . 28553 563 1 When when WRB 28553 563 2 the the DT 28553 563 3 shaft shaft NN 28553 563 4 revolves revolve VBZ 28553 563 5 , , , 28553 563 6 the the DT 28553 563 7 balls ball NNS 28553 563 8 fly fly VBP 28553 563 9 outwards outward NNS 28553 563 10 by by IN 28553 563 11 centrifugal centrifugal JJ 28553 563 12 force force NN 28553 563 13 , , , 28553 563 14 and and CC 28553 563 15 as as IN 28553 563 16 their -PRON- PRP$ 28553 563 17 velocity velocity NN 28553 563 18 increases increase VBZ 28553 563 19 the the DT 28553 563 20 quadrilateral quadrilateral JJ 28553 563 21 figure figure NN 28553 563 22 contained contain VBN 28553 563 23 by by IN 28553 563 24 the the DT 28553 563 25 four four CD 28553 563 26 links link NNS 28553 563 27 expands expand VBZ 28553 563 28 laterally laterally RB 28553 563 29 and and CC 28553 563 30 shortens shorten VBZ 28553 563 31 vertically vertically RB 28553 563 32 . . . 28553 564 1 The the DT 28553 564 2 angles angle NNS 28553 564 3 between between IN 28553 564 4 K K NNP 28553 564 5 K K NNP 28553 564 6 and and CC 28553 564 7 L L NNP 28553 564 8 L L NNP 28553 564 9 become become VBP 28553 564 10 less less RBR 28553 564 11 and and CC 28553 564 12 less less RBR 28553 564 13 obtuse obtuse JJ 28553 564 14 , , , 28553 564 15 and and CC 28553 564 16 the the DT 28553 564 17 weight weight NN 28553 564 18 W W NNP 28553 564 19 is be VBZ 28553 564 20 drawn draw VBN 28553 564 21 upwards upwards RB 28553 564 22 , , , 28553 564 23 bringing bring VBG 28553 564 24 with with IN 28553 564 25 it -PRON- PRP 28553 564 26 the the DT 28553 564 27 fork fork NN 28553 564 28 C C NNP 28553 564 29 of of IN 28553 564 30 the the DT 28553 564 31 rod rod NN 28553 564 32 A A NNP 28553 564 33 , , , 28553 564 34 which which WDT 28553 564 35 has have VBZ 28553 564 36 ends end NNS 28553 564 37 engaging engage VBG 28553 564 38 with with IN 28553 564 39 the the DT 28553 564 40 groove groove NN 28553 564 41 . . . 28553 565 1 As as IN 28553 565 2 C C NNP 28553 565 3 rises rise VBZ 28553 565 4 , , , 28553 565 5 the the DT 28553 565 6 other other JJ 28553 565 7 end end NN 28553 565 8 of of IN 28553 565 9 the the DT 28553 565 10 rod rod NN 28553 565 11 is be VBZ 28553 565 12 depressed depressed JJ 28553 565 13 , , , 28553 565 14 and and CC 28553 565 15 the the DT 28553 565 16 rod rod NN 28553 565 17 B B NNP 28553 565 18 depresses depresse NNS 28553 565 19 rod rod NN 28553 565 20 O o NN 28553 565 21 , , , 28553 565 22 which which WDT 28553 565 23 is be VBZ 28553 565 24 attached attach VBN 28553 565 25 to to IN 28553 565 26 the the DT 28553 565 27 spindle spindle NN 28553 565 28 operating operate VBG 28553 565 29 a a DT 28553 565 30 sort sort NN 28553 565 31 of of IN 28553 565 32 shutter shutter NN 28553 565 33 in in IN 28553 565 34 the the DT 28553 565 35 steam steam NN 28553 565 36 - - HYPH 28553 565 37 pipe pipe NN 28553 565 38 . . . 28553 566 1 Consequently consequently RB 28553 566 2 the the DT 28553 566 3 supply supply NN 28553 566 4 of of IN 28553 566 5 steam steam NN 28553 566 6 is be VBZ 28553 566 7 throttled throttle VBN 28553 566 8 more more RBR 28553 566 9 and and CC 28553 566 10 more more RBR 28553 566 11 as as IN 28553 566 12 the the DT 28553 566 13 speed speed NN 28553 566 14 increases increase VBZ 28553 566 15 , , , 28553 566 16 until until IN 28553 566 17 it -PRON- PRP 28553 566 18 has have VBZ 28553 566 19 been be VBN 28553 566 20 so so RB 28553 566 21 reduced reduce VBN 28553 566 22 that that IN 28553 566 23 the the DT 28553 566 24 engine engine NN 28553 566 25 slows slow VBZ 28553 566 26 , , , 28553 566 27 and and CC 28553 566 28 the the DT 28553 566 29 balls ball NNS 28553 566 30 fall fall VBP 28553 566 31 , , , 28553 566 32 opening open VBG 28553 566 33 the the DT 28553 566 34 valve valve NN 28553 566 35 again again RB 28553 566 36 . . . 28553 567 1 Fig fig NN 28553 567 2 . . . 28553 568 1 34 34 CD 28553 568 2 shows show NNS 28553 568 3 the the DT 28553 568 4 valve valve NN 28553 568 5 fully fully RB 28553 568 6 closed close VBN 28553 568 7 . . . 28553 569 1 This this DT 28553 569 2 form form NN 28553 569 3 of of IN 28553 569 4 governor governor NN 28553 569 5 was be VBD 28553 569 6 invented invent VBN 28553 569 7 by by IN 28553 569 8 James James NNP 28553 569 9 Watt Watt NNP 28553 569 10 . . . 28553 570 1 A a DT 28553 570 2 spring spring NN 28553 570 3 is be VBZ 28553 570 4 often often RB 28553 570 5 used use VBN 28553 570 6 instead instead RB 28553 570 7 of of IN 28553 570 8 a a DT 28553 570 9 weight weight NN 28553 570 10 , , , 28553 570 11 and and CC 28553 570 12 the the DT 28553 570 13 governor governor NN 28553 570 14 is be VBZ 28553 570 15 arranged arrange VBN 28553 570 16 horizontally horizontally RB 28553 570 17 so so IN 28553 570 18 that that IN 28553 570 19 it -PRON- PRP 28553 570 20 may may MD 28553 570 21 be be VB 28553 570 22 driven drive VBN 28553 570 23 direct direct JJ 28553 570 24 from from IN 28553 570 25 the the DT 28553 570 26 crank crank NN 28553 570 27 shaft shaft NN 28553 570 28 without without IN 28553 570 29 the the DT 28553 570 30 intervention intervention NN 28553 570 31 of of IN 28553 570 32 bevel bevel NN 28553 570 33 gearing gearing NN 28553 570 34 . . . 28553 571 1 [ [ -LRB- 28553 571 2 Illustration illustration NN 28553 571 3 : : : 28553 571 4 FIG FIG NNP 28553 571 5 . . . 28553 572 1 34 34 CD 28553 572 2 . . . 28553 572 3 ] ] -RRB- 28553 573 1 The the DT 28553 573 2 Hartwell Hartwell NNP 28553 573 3 governor governor NN 28553 573 4 employs employ VBZ 28553 573 5 a a DT 28553 573 6 link link NN 28553 573 7 motion motion NN 28553 573 8 . . . 28553 574 1 You -PRON- PRP 28553 574 2 must must MD 28553 574 3 here here RB 28553 574 4 picture picture VB 28553 574 5 the the DT 28553 574 6 balls ball NNS 28553 574 7 raising raise VBG 28553 574 8 and and CC 28553 574 9 lowering lower VBG 28553 574 10 the the DT 28553 574 11 _ _ NNP 28553 574 12 free free JJ 28553 574 13 end end NN 28553 574 14 _ _ NNP 28553 574 15 of of IN 28553 574 16 the the DT 28553 574 17 valve valve NN 28553 574 18 rod rod NN 28553 574 19 , , , 28553 574 20 which which WDT 28553 574 21 carries carry VBZ 28553 574 22 a a DT 28553 574 23 block block NN 28553 574 24 moving move VBG 28553 574 25 in in IN 28553 574 26 a a DT 28553 574 27 link link NN 28553 574 28 connected connect VBN 28553 574 29 with with IN 28553 574 30 the the DT 28553 574 31 eccentric eccentric JJ 28553 574 32 rod rod NN 28553 574 33 . . . 28553 575 1 The the DT 28553 575 2 link link NN 28553 575 3 is be VBZ 28553 575 4 pivoted pivot VBN 28553 575 5 at at IN 28553 575 6 the the DT 28553 575 7 upper upper JJ 28553 575 8 end end NN 28553 575 9 , , , 28553 575 10 and and CC 28553 575 11 the the DT 28553 575 12 eccentric eccentric JJ 28553 575 13 rod rod NN 28553 575 14 is be VBZ 28553 575 15 attached attach VBN 28553 575 16 to to IN 28553 575 17 the the DT 28553 575 18 lower low JJR 28553 575 19 . . . 28553 576 1 When when WRB 28553 576 2 the the DT 28553 576 3 engine engine NN 28553 576 4 is be VBZ 28553 576 5 at at IN 28553 576 6 rest rest NN 28553 576 7 the the DT 28553 576 8 end end NN 28553 576 9 of of IN 28553 576 10 the the DT 28553 576 11 valve valve NN 28553 576 12 rod rod NN 28553 576 13 and and CC 28553 576 14 its -PRON- PRP$ 28553 576 15 block block NN 28553 576 16 are be VBP 28553 576 17 dropped drop VBN 28553 576 18 till till IN 28553 576 19 in in IN 28553 576 20 a a DT 28553 576 21 line line NN 28553 576 22 with with IN 28553 576 23 the the DT 28553 576 24 eccentric eccentric JJ 28553 576 25 rod rod NN 28553 576 26 ; ; : 28553 576 27 but but CC 28553 576 28 when when WRB 28553 576 29 the the DT 28553 576 30 machinery machinery NN 28553 576 31 begins begin VBZ 28553 576 32 to to TO 28553 576 33 work work VB 28553 576 34 the the DT 28553 576 35 block block NN 28553 576 36 is be VBZ 28553 576 37 gradually gradually RB 28553 576 38 drawn draw VBN 28553 576 39 up up RP 28553 576 40 by by IN 28553 576 41 the the DT 28553 576 42 governor governor NN 28553 576 43 , , , 28553 576 44 diminishing diminish VBG 28553 576 45 the the DT 28553 576 46 movement movement NN 28553 576 47 of of IN 28553 576 48 the the DT 28553 576 49 valve valve NN 28553 576 50 , , , 28553 576 51 and and CC 28553 576 52 so so RB 28553 576 53 shortening shorten VBG 28553 576 54 the the DT 28553 576 55 period period NN 28553 576 56 of of IN 28553 576 57 steam steam NN 28553 576 58 admission admission NN 28553 576 59 to to IN 28553 576 60 the the DT 28553 576 61 cylinder cylinder NN 28553 576 62 . . . 28553 577 1 Governors governor NNS 28553 577 2 are be VBP 28553 577 3 of of IN 28553 577 4 special special JJ 28553 577 5 importance importance NN 28553 577 6 where where WRB 28553 577 7 the the DT 28553 577 8 _ _ NNP 28553 577 9 load load NN 28553 577 10 _ _ NNP 28553 577 11 of of IN 28553 577 12 an an DT 28553 577 13 engine engine NN 28553 577 14 is be VBZ 28553 577 15 constantly constantly RB 28553 577 16 varying vary VBG 28553 577 17 , , , 28553 577 18 as as IN 28553 577 19 in in IN 28553 577 20 the the DT 28553 577 21 case case NN 28553 577 22 of of IN 28553 577 23 a a DT 28553 577 24 sawmill sawmill NN 28553 577 25 . . . 28553 578 1 A a DT 28553 578 2 good good JJ 28553 578 3 governor governor NN 28553 578 4 will will MD 28553 578 5 limit limit VB 28553 578 6 variation variation NN 28553 578 7 of of IN 28553 578 8 speed speed NN 28553 578 9 within within IN 28553 578 10 two two CD 28553 578 11 per per IN 28553 578 12 cent.--that cent.--that NNP 28553 578 13 is be VBZ 28553 578 14 , , , 28553 578 15 if if IN 28553 578 16 the the DT 28553 578 17 engine engine NN 28553 578 18 is be VBZ 28553 578 19 set set VBN 28553 578 20 to to TO 28553 578 21 run run VB 28553 578 22 at at IN 28553 578 23 100 100 CD 28553 578 24 revolutions revolution NNS 28553 578 25 a a DT 28553 578 26 minute minute NN 28553 578 27 , , , 28553 578 28 it -PRON- PRP 28553 578 29 will will MD 28553 578 30 not not RB 28553 578 31 allow allow VB 28553 578 32 it -PRON- PRP 28553 578 33 to to TO 28553 578 34 exceed exceed VB 28553 578 35 101 101 CD 28553 578 36 or or CC 28553 578 37 fall fall NN 28553 578 38 below below IN 28553 578 39 99 99 CD 28553 578 40 . . . 28553 579 1 In in IN 28553 579 2 _ _ NNP 28553 579 3 very very RB 28553 579 4 _ _ NNP 28553 579 5 high high JJ 28553 579 6 - - HYPH 28553 579 7 speed speed NN 28553 579 8 engines engine NNS 28553 579 9 the the DT 28553 579 10 governing governing NN 28553 579 11 will will MD 28553 579 12 prevent prevent VB 28553 579 13 variation variation NN 28553 579 14 of of IN 28553 579 15 less less JJR 28553 579 16 than than IN 28553 579 17 one one CD 28553 579 18 per per IN 28553 579 19 cent cent NN 28553 579 20 . . . 28553 579 21 , , , 28553 579 22 even even RB 28553 579 23 when when WRB 28553 579 24 the the DT 28553 579 25 load load NN 28553 579 26 is be VBZ 28553 579 27 at at IN 28553 579 28 one one CD 28553 579 29 instant instant NN 28553 579 30 full full JJ 28553 579 31 on on IN 28553 579 32 , , , 28553 579 33 and and CC 28553 579 34 the the DT 28553 579 35 next next JJ 28553 579 36 taken take VBN 28553 579 37 completely completely RB 28553 579 38 off off RB 28553 579 39 . . . 28553 580 1 MARINE MARINE NNP 28553 580 2 GOVERNORS GOVERNORS NNP 28553 580 3 . . . 28553 581 1 These these DT 28553 581 2 must must MD 28553 581 3 be be VB 28553 581 4 more more RBR 28553 581 5 quick quick RB 28553 581 6 - - HYPH 28553 581 7 acting act VBG 28553 581 8 than than IN 28553 581 9 those those DT 28553 581 10 used use VBN 28553 581 11 on on IN 28553 581 12 engines engine NNS 28553 581 13 provided provide VBN 28553 581 14 with with IN 28553 581 15 fly fly NN 28553 581 16 - - HYPH 28553 581 17 wheels wheel NNS 28553 581 18 , , , 28553 581 19 which which WDT 28553 581 20 prevent prevent VBP 28553 581 21 very very RB 28553 581 22 sudden sudden JJ 28553 581 23 variations variation NNS 28553 581 24 of of IN 28553 581 25 speed speed NN 28553 581 26 . . . 28553 582 1 The the DT 28553 582 2 screw screw NN 28553 582 3 is be VBZ 28553 582 4 light light JJ 28553 582 5 in in IN 28553 582 6 proportion proportion NN 28553 582 7 to to IN 28553 582 8 the the DT 28553 582 9 engine engine NN 28553 582 10 power power NN 28553 582 11 , , , 28553 582 12 and and CC 28553 582 13 when when WRB 28553 582 14 it -PRON- PRP 28553 582 15 is be VBZ 28553 582 16 suddenly suddenly RB 28553 582 17 raised raise VBN 28553 582 18 from from IN 28553 582 19 the the DT 28553 582 20 water water NN 28553 582 21 by by IN 28553 582 22 the the DT 28553 582 23 pitching pitching NN 28553 582 24 of of IN 28553 582 25 the the DT 28553 582 26 vessel vessel NN 28553 582 27 , , , 28553 582 28 the the DT 28553 582 29 engine engine NN 28553 582 30 would would MD 28553 582 31 race race VB 28553 582 32 till till IN 28553 582 33 the the DT 28553 582 34 screw screw NN 28553 582 35 took take VBD 28553 582 36 the the DT 28553 582 37 water water NN 28553 582 38 again again RB 28553 582 39 , , , 28553 582 40 unless unless IN 28553 582 41 some some DT 28553 582 42 regulating regulating NN 28553 582 43 mechanism mechanism NN 28553 582 44 were be VBD 28553 582 45 provided provide VBN 28553 582 46 . . . 28553 583 1 Many many JJ 28553 583 2 types type NNS 28553 583 3 of of IN 28553 583 4 marine marine JJ 28553 583 5 governors governor NNS 28553 583 6 have have VBP 28553 583 7 been be VBN 28553 583 8 tried try VBN 28553 583 9 . . . 28553 584 1 The the DT 28553 584 2 most most RBS 28553 584 3 successful successful JJ 28553 584 4 seems seem VBZ 28553 584 5 to to TO 28553 584 6 be be VB 28553 584 7 one one CD 28553 584 8 in in IN 28553 584 9 which which WDT 28553 584 10 water water NN 28553 584 11 is be VBZ 28553 584 12 being be VBG 28553 584 13 constantly constantly RB 28553 584 14 forced force VBN 28553 584 15 by by IN 28553 584 16 a a DT 28553 584 17 pump pump NN 28553 584 18 driven drive VBN 28553 584 19 off off IN 28553 584 20 the the DT 28553 584 21 engine engine NN 28553 584 22 shaft shaft NN 28553 584 23 into into IN 28553 584 24 a a DT 28553 584 25 cylinder cylinder NN 28553 584 26 controlling control VBG 28553 584 27 a a DT 28553 584 28 throttle throttle NN 28553 584 29 - - HYPH 28553 584 30 valve valve NN 28553 584 31 in in IN 28553 584 32 the the DT 28553 584 33 main main JJ 28553 584 34 steam steam NN 28553 584 35 - - HYPH 28553 584 36 pipe pipe NN 28553 584 37 . . . 28553 585 1 The the DT 28553 585 2 water water NN 28553 585 3 escapes escape VBZ 28553 585 4 through through IN 28553 585 5 a a DT 28553 585 6 leak leak NN 28553 585 7 , , , 28553 585 8 which which WDT 28553 585 9 is be VBZ 28553 585 10 adjustable adjustable JJ 28553 585 11 . . . 28553 586 1 As as RB 28553 586 2 long long RB 28553 586 3 as as IN 28553 586 4 the the DT 28553 586 5 speed speed NN 28553 586 6 of of IN 28553 586 7 the the DT 28553 586 8 engine engine NN 28553 586 9 is be VBZ 28553 586 10 normal normal JJ 28553 586 11 , , , 28553 586 12 the the DT 28553 586 13 water water NN 28553 586 14 escapes escape VBZ 28553 586 15 from from IN 28553 586 16 the the DT 28553 586 17 cylinder cylinder NN 28553 586 18 as as RB 28553 586 19 fast fast RB 28553 586 20 as as IN 28553 586 21 it -PRON- PRP 28553 586 22 is be VBZ 28553 586 23 pumped pump VBN 28553 586 24 in in IN 28553 586 25 , , , 28553 586 26 and and CC 28553 586 27 no no DT 28553 586 28 movement movement NN 28553 586 29 of of IN 28553 586 30 the the DT 28553 586 31 piston piston NN 28553 586 32 results result NNS 28553 586 33 ; ; : 28553 586 34 but but CC 28553 586 35 when when WRB 28553 586 36 the the DT 28553 586 37 screw screw NN 28553 586 38 begins begin VBZ 28553 586 39 to to TO 28553 586 40 race race VB 28553 586 41 , , , 28553 586 42 the the DT 28553 586 43 pump pump NN 28553 586 44 overcomes overcome VBZ 28553 586 45 the the DT 28553 586 46 leak leak NN 28553 586 47 , , , 28553 586 48 and and CC 28553 586 49 the the DT 28553 586 50 piston piston NN 28553 586 51 is be VBZ 28553 586 52 driven drive VBN 28553 586 53 out out RP 28553 586 54 , , , 28553 586 55 causing cause VBG 28553 586 56 a a DT 28553 586 57 throttling throttling NN 28553 586 58 of of IN 28553 586 59 the the DT 28553 586 60 steam steam NN 28553 586 61 supply supply NN 28553 586 62 . . . 28553 587 1 CONDENSERS condenser NNS 28553 587 2 . . . 28553 588 1 The the DT 28553 588 2 _ _ NNP 28553 588 3 condenser condenser NN 28553 588 4 _ _ NNP 28553 588 5 serves serve VBZ 28553 588 6 two two CD 28553 588 7 purposes:--(1 purposes:--(1 NN 28553 588 8 ) ) -RRB- 28553 588 9 It -PRON- PRP 28553 588 10 makes make VBZ 28553 588 11 it -PRON- PRP 28553 588 12 possible possible JJ 28553 588 13 to to TO 28553 588 14 use use VB 28553 588 15 the the DT 28553 588 16 same same JJ 28553 588 17 water water NN 28553 588 18 over over RB 28553 588 19 and and CC 28553 588 20 over over RB 28553 588 21 again again RB 28553 588 22 in in IN 28553 588 23 the the DT 28553 588 24 boilers boiler NNS 28553 588 25 . . . 28553 589 1 On on IN 28553 589 2 the the DT 28553 589 3 sea sea NN 28553 589 4 , , , 28553 589 5 where where WRB 28553 589 6 fresh fresh JJ 28553 589 7 water water NN 28553 589 8 is be VBZ 28553 589 9 not not RB 28553 589 10 obtainable obtainable JJ 28553 589 11 in in IN 28553 589 12 large large JJ 28553 589 13 quantities quantity NNS 28553 589 14 , , , 28553 589 15 this this DT 28553 589 16 is be VBZ 28553 589 17 a a DT 28553 589 18 matter matter NN 28553 589 19 of of IN 28553 589 20 the the DT 28553 589 21 greatest great JJS 28553 589 22 importance importance NN 28553 589 23 . . . 28553 590 1 ( ( -LRB- 28553 590 2 2 2 LS 28553 590 3 ) ) -RRB- 28553 590 4 It -PRON- PRP 28553 590 5 adds add VBZ 28553 590 6 to to IN 28553 590 7 the the DT 28553 590 8 power power NN 28553 590 9 of of IN 28553 590 10 a a DT 28553 590 11 compound compound NN 28553 590 12 engine engine NN 28553 590 13 by by IN 28553 590 14 exerting exert VBG 28553 590 15 a a DT 28553 590 16 back back JJ 28553 590 17 pull pull NN 28553 590 18 on on IN 28553 590 19 the the DT 28553 590 20 piston piston NN 28553 590 21 of of IN 28553 590 22 the the DT 28553 590 23 low low JJ 28553 590 24 - - HYPH 28553 590 25 pressure pressure NN 28553 590 26 cylinder cylinder NN 28553 590 27 while while IN 28553 590 28 the the DT 28553 590 29 steam steam NN 28553 590 30 is be VBZ 28553 590 31 being be VBG 28553 590 32 exhausted exhaust VBN 28553 590 33 . . . 28553 591 1 [ [ -LRB- 28553 591 2 Illustration illustration NN 28553 591 3 : : : 28553 591 4 FIG FIG NNP 28553 591 5 . . . 28553 592 1 35.--The 35.--the CD 28553 592 2 marine marine JJ 28553 592 3 condenser condenser NN 28553 592 4 . . . 28553 592 5 ] ] -RRB- 28553 593 1 Fig fig NN 28553 593 2 . . . 28553 594 1 35 35 CD 28553 594 2 is be VBZ 28553 594 3 a a DT 28553 594 4 sectional sectional JJ 28553 594 5 illustration illustration NN 28553 594 6 of of IN 28553 594 7 a a DT 28553 594 8 marine marine JJ 28553 594 9 condenser condenser NN 28553 594 10 . . . 28553 595 1 Steam steam NN 28553 595 2 enters enter VBZ 28553 595 3 the the DT 28553 595 4 condenser condenser NN 28553 595 5 through through IN 28553 595 6 the the DT 28553 595 7 large large JJ 28553 595 8 pipe pipe NN 28553 595 9 E e NN 28553 595 10 , , , 28553 595 11 and and CC 28553 595 12 passes pass VBZ 28553 595 13 among among IN 28553 595 14 a a DT 28553 595 15 number number NN 28553 595 16 of of IN 28553 595 17 very very RB 28553 595 18 thin thin JJ 28553 595 19 copper copper NN 28553 595 20 tubes tube NNS 28553 595 21 , , , 28553 595 22 through through IN 28553 595 23 which which WDT 28553 595 24 sea sea NN 28553 595 25 - - HYPH 28553 595 26 water water NN 28553 595 27 is be VBZ 28553 595 28 kept keep VBN 28553 595 29 circulating circulate VBG 28553 595 30 by by IN 28553 595 31 a a DT 28553 595 32 pump pump NN 28553 595 33 . . . 28553 596 1 The the DT 28553 596 2 path path NN 28553 596 3 of of IN 28553 596 4 the the DT 28553 596 5 water water NN 28553 596 6 is be VBZ 28553 596 7 shown show VBN 28553 596 8 by by IN 28553 596 9 the the DT 28553 596 10 featherless featherless NN 28553 596 11 arrows arrow NNS 28553 596 12 . . . 28553 597 1 It -PRON- PRP 28553 597 2 comes come VBZ 28553 597 3 from from IN 28553 597 4 the the DT 28553 597 5 pump pump NN 28553 597 6 through through IN 28553 597 7 pipe pipe NN 28553 597 8 A a NN 28553 597 9 into into IN 28553 597 10 the the DT 28553 597 11 lower low JJR 28553 597 12 part part NN 28553 597 13 of of IN 28553 597 14 a a DT 28553 597 15 large large JJ 28553 597 16 cap cap NN 28553 597 17 covering cover VBG 28553 597 18 one one CD 28553 597 19 end end NN 28553 597 20 of of IN 28553 597 21 the the DT 28553 597 22 condenser condenser NN 28553 597 23 and and CC 28553 597 24 divided divide VBN 28553 597 25 transversely transversely RB 28553 597 26 by by IN 28553 597 27 a a DT 28553 597 28 diaphragm diaphragm NN 28553 597 29 , , , 28553 597 30 D. D. NNP 28553 597 31 Passing pass VBG 28553 597 32 through through IN 28553 597 33 the the DT 28553 597 34 pipes pipe NNS 28553 597 35 , , , 28553 597 36 it -PRON- PRP 28553 597 37 reaches reach VBZ 28553 597 38 the the DT 28553 597 39 cap cap NN 28553 597 40 attached attach VBN 28553 597 41 to to IN 28553 597 42 the the DT 28553 597 43 other other JJ 28553 597 44 end end NN 28553 597 45 , , , 28553 597 46 and and CC 28553 597 47 flows flow VBZ 28553 597 48 back back RB 28553 597 49 through through IN 28553 597 50 the the DT 28553 597 51 upper upper JJ 28553 597 52 tubes tube NNS 28553 597 53 to to IN 28553 597 54 the the DT 28553 597 55 outlet outlet NN 28553 597 56 C. C. NNP 28553 597 57 This this DT 28553 597 58 arrangement arrangement NN 28553 597 59 ensures ensure VBZ 28553 597 60 that that IN 28553 597 61 , , , 28553 597 62 as as IN 28553 597 63 the the DT 28553 597 64 steam steam NN 28553 597 65 condenses condense VBZ 28553 597 66 , , , 28553 597 67 it -PRON- PRP 28553 597 68 shall shall MD 28553 597 69 meet meet VB 28553 597 70 colder cold JJR 28553 597 71 and and CC 28553 597 72 colder cold JJR 28553 597 73 tubes tube NNS 28553 597 74 , , , 28553 597 75 and and CC 28553 597 76 finally finally RB 28553 597 77 be be VB 28553 597 78 turned turn VBN 28553 597 79 to to IN 28553 597 80 water water NN 28553 597 81 , , , 28553 597 82 which which WDT 28553 597 83 passes pass VBZ 28553 597 84 to to IN 28553 597 85 the the DT 28553 597 86 well well NN 28553 597 87 through through IN 28553 597 88 the the DT 28553 597 89 outlet outlet NN 28553 597 90 F. F. NNP 28553 597 91 In in IN 28553 597 92 some some DT 28553 597 93 condensers condenser NNS 28553 597 94 the the DT 28553 597 95 positions position NNS 28553 597 96 of of IN 28553 597 97 steam steam NN 28553 597 98 and and CC 28553 597 99 water water NN 28553 597 100 are be VBP 28553 597 101 reversed reverse VBN 28553 597 102 , , , 28553 597 103 steam steam NN 28553 597 104 going go VBG 28553 597 105 through through IN 28553 597 106 the the DT 28553 597 107 tubes tube NNS 28553 597 108 outside outside IN 28553 597 109 which which WDT 28553 597 110 cold cold JJ 28553 597 111 water water NN 28553 597 112 circulates circulate NNS 28553 597 113 . . . 28553 598 1 [ [ -LRB- 28553 598 2 3 3 LS 28553 598 3 ] ] -RRB- 28553 598 4 Also also RB 28553 598 5 called call VBN 28553 598 6 _ _ NNP 28553 598 7 ports port NNS 28553 598 8 _ _ NNP 28553 598 9 . . . 28553 599 1 [ [ -LRB- 28553 599 2 4 4 LS 28553 599 3 ] ] -RRB- 28553 599 4 The the DT 28553 599 5 bores bore NNS 28553 599 6 of of IN 28553 599 7 the the DT 28553 599 8 cylinders cylinder NNS 28553 599 9 are be VBP 28553 599 10 in in IN 28553 599 11 the the DT 28553 599 12 proportion proportion NN 28553 599 13 of of IN 28553 599 14 4 4 CD 28553 599 15 : : SYM 28553 599 16 6 6 CD 28553 599 17 : : SYM 28553 599 18 9 9 CD 28553 599 19 . . . 28553 600 1 The the DT 28553 600 2 stroke stroke NN 28553 600 3 of of IN 28553 600 4 all all DT 28553 600 5 three three CD 28553 600 6 is be VBZ 28553 600 7 the the DT 28553 600 8 same same JJ 28553 600 9 . . . 28553 601 1 [ [ -LRB- 28553 601 2 5 5 CD 28553 601 3 ] ] -RRB- 28553 601 4 The the DT 28553 601 5 ends end NNS 28553 601 6 furthest furthest VBD 28553 601 7 from from IN 28553 601 8 the the DT 28553 601 9 eccentric eccentric NN 28553 601 10 . . . 28553 602 1 [ [ -LRB- 28553 602 2 6 6 CD 28553 602 3 ] ] -RRB- 28553 602 4 " " `` 28553 602 5 The the DT 28553 602 6 Locomotive Locomotive NNP 28553 602 7 of of IN 28553 602 8 To To NNP 28553 602 9 - - HYPH 28553 602 10 day day NN 28553 602 11 , , , 28553 602 12 " " '' 28553 602 13 p. p. NN 28553 602 14 87 87 CD 28553 602 15 . . . 28553 603 1 Chapter chapter NN 28553 603 2 III III NNP 28553 603 3 . . . 28553 604 1 THE the DT 28553 604 2 STEAM STEAM NNP 28553 604 3 TURBINE turbine NN 28553 604 4 . . . 28553 605 1 How how WRB 28553 605 2 a a DT 28553 605 3 turbine turbine NN 28553 605 4 works work VBZ 28553 605 5 -- -- : 28553 605 6 The the DT 28553 605 7 De De NNP 28553 605 8 Laval Laval NNP 28553 605 9 turbine turbine NN 28553 605 10 -- -- : 28553 605 11 The the DT 28553 605 12 Parsons Parsons NNPS 28553 605 13 turbine turbine NN 28553 605 14 -- -- : 28553 605 15 Description description NN 28553 605 16 of of IN 28553 605 17 the the DT 28553 605 18 Parsons Parsons NNPS 28553 605 19 turbine turbine NN 28553 605 20 -- -- : 28553 605 21 The the DT 28553 605 22 expansive expansive JJ 28553 605 23 action action NN 28553 605 24 of of IN 28553 605 25 steam steam NN 28553 605 26 in in IN 28553 605 27 a a DT 28553 605 28 Parsons Parsons NNP 28553 605 29 turbine turbine NN 28553 605 30 -- -- : 28553 605 31 Balancing balance VBG 28553 605 32 the the DT 28553 605 33 thrust thrust NN 28553 605 34 -- -- : 28553 605 35 Advantages Advantages NNPS 28553 605 36 of of IN 28553 605 37 the the DT 28553 605 38 marine marine JJ 28553 605 39 turbine turbine NN 28553 605 40 . . . 28553 606 1 More More JJR 28553 606 2 than than IN 28553 606 3 two two CD 28553 606 4 thousand thousand CD 28553 606 5 years year NNS 28553 606 6 ago ago RB 28553 606 7 Hero Hero NNP 28553 606 8 of of IN 28553 606 9 Alexandria Alexandria NNP 28553 606 10 produced produce VBD 28553 606 11 the the DT 28553 606 12 first first JJ 28553 606 13 apparatus apparatus NN 28553 606 14 to to TO 28553 606 15 which which WDT 28553 606 16 the the DT 28553 606 17 name name NN 28553 606 18 of of IN 28553 606 19 steam steam NN 28553 606 20 - - HYPH 28553 606 21 engine engine NN 28553 606 22 could could MD 28553 606 23 rightly rightly RB 28553 606 24 be be VB 28553 606 25 given give VBN 28553 606 26 . . . 28553 607 1 Its -PRON- PRP$ 28553 607 2 principle principle NN 28553 607 3 was be VBD 28553 607 4 practically practically RB 28553 607 5 the the DT 28553 607 6 same same JJ 28553 607 7 as as IN 28553 607 8 that that DT 28553 607 9 of of IN 28553 607 10 the the DT 28553 607 11 revolving revolving JJ 28553 607 12 jet jet NN 28553 607 13 used use VBN 28553 607 14 to to TO 28553 607 15 sprinkle sprinkle VB 28553 607 16 lawns lawn NNS 28553 607 17 during during IN 28553 607 18 dry dry JJ 28553 607 19 weather weather NN 28553 607 20 , , , 28553 607 21 steam steam NN 28553 607 22 being be VBG 28553 607 23 used use VBN 28553 607 24 in in IN 28553 607 25 the the DT 28553 607 26 place place NN 28553 607 27 of of IN 28553 607 28 water water NN 28553 607 29 . . . 28553 608 1 From from IN 28553 608 2 the the DT 28553 608 3 top top NN 28553 608 4 of of IN 28553 608 5 a a DT 28553 608 6 closed closed JJ 28553 608 7 cauldron cauldron NN 28553 608 8 rose rise VBD 28553 608 9 two two CD 28553 608 10 vertical vertical JJ 28553 608 11 pipes pipe NNS 28553 608 12 , , , 28553 608 13 which which WDT 28553 608 14 at at IN 28553 608 15 their -PRON- PRP$ 28553 608 16 upper upper JJ 28553 608 17 ends end NNS 28553 608 18 had have VBD 28553 608 19 short short JJ 28553 608 20 , , , 28553 608 21 right right JJ 28553 608 22 - - HYPH 28553 608 23 angle angle NN 28553 608 24 bends bend NNS 28553 608 25 . . . 28553 609 1 Between between IN 28553 609 2 them -PRON- PRP 28553 609 3 was be VBD 28553 609 4 hung hang VBN 28553 609 5 a a DT 28553 609 6 hollow hollow JJ 28553 609 7 globe globe NN 28553 609 8 , , , 28553 609 9 pivoted pivot VBN 28553 609 10 on on IN 28553 609 11 two two CD 28553 609 12 short short JJ 28553 609 13 tubes tube NNS 28553 609 14 projecting project VBG 28553 609 15 from from IN 28553 609 16 its -PRON- PRP$ 28553 609 17 sides side NNS 28553 609 18 into into IN 28553 609 19 the the DT 28553 609 20 upright upright JJ 28553 609 21 tubes tube NNS 28553 609 22 . . . 28553 610 1 Two two CD 28553 610 2 little little JJ 28553 610 3 L l NN 28553 610 4 - - HYPH 28553 610 5 shaped shape VBN 28553 610 6 pipes pipe NNS 28553 610 7 projected project VBN 28553 610 8 from from IN 28553 610 9 opposite opposite JJ 28553 610 10 sides side NNS 28553 610 11 of of IN 28553 610 12 the the DT 28553 610 13 globe globe NN 28553 610 14 , , , 28553 610 15 at at IN 28553 610 16 the the DT 28553 610 17 ends end NNS 28553 610 18 of of IN 28553 610 19 a a DT 28553 610 20 diameter diameter NN 28553 610 21 , , , 28553 610 22 in in IN 28553 610 23 a a DT 28553 610 24 plane plane NN 28553 610 25 perpendicular perpendicular JJ 28553 610 26 to to IN 28553 610 27 the the DT 28553 610 28 axis axi NNS 28553 610 29 . . . 28553 611 1 On on IN 28553 611 2 fire fire NN 28553 611 3 being be VBG 28553 611 4 applied apply VBN 28553 611 5 to to IN 28553 611 6 the the DT 28553 611 7 cauldron cauldron NN 28553 611 8 , , , 28553 611 9 steam steam NN 28553 611 10 was be VBD 28553 611 11 generated generate VBN 28553 611 12 . . . 28553 612 1 It -PRON- PRP 28553 612 2 passed pass VBD 28553 612 3 up up RP 28553 612 4 through through IN 28553 612 5 the the DT 28553 612 6 upright upright JJ 28553 612 7 , , , 28553 612 8 through through IN 28553 612 9 the the DT 28553 612 10 pivots pivot NNS 28553 612 11 , , , 28553 612 12 and and CC 28553 612 13 into into IN 28553 612 14 the the DT 28553 612 15 globe globe NN 28553 612 16 , , , 28553 612 17 from from IN 28553 612 18 which which WDT 28553 612 19 it -PRON- PRP 28553 612 20 escaped escape VBD 28553 612 21 by by IN 28553 612 22 the the DT 28553 612 23 two two CD 28553 612 24 L L NNP 28553 612 25 - - HYPH 28553 612 26 shaped shape VBN 28553 612 27 nozzles nozzle NNS 28553 612 28 , , , 28553 612 29 causing cause VBG 28553 612 30 rapid rapid JJ 28553 612 31 revolution revolution NN 28553 612 32 of of IN 28553 612 33 the the DT 28553 612 34 ball ball NN 28553 612 35 . . . 28553 613 1 In in IN 28553 613 2 short short JJ 28553 613 3 , , , 28553 613 4 the the DT 28553 613 5 first first JJ 28553 613 6 steam steam NN 28553 613 7 - - HYPH 28553 613 8 engine engine NN 28553 613 9 was be VBD 28553 613 10 a a DT 28553 613 11 turbine turbine NN 28553 613 12 . . . 28553 614 1 Curiously curiously RB 28553 614 2 enough enough RB 28553 614 3 , , , 28553 614 4 we -PRON- PRP 28553 614 5 have have VBP 28553 614 6 reverted revert VBN 28553 614 7 to to IN 28553 614 8 this this DT 28553 614 9 primitive primitive JJ 28553 614 10 type type NN 28553 614 11 ( ( -LRB- 28553 614 12 scientifically scientifically RB 28553 614 13 developed develop VBN 28553 614 14 , , , 28553 614 15 of of IN 28553 614 16 course course NN 28553 614 17 ) ) -RRB- 28553 614 18 in in IN 28553 614 19 the the DT 28553 614 20 most most RBS 28553 614 21 modern modern JJ 28553 614 22 engineering engineering NN 28553 614 23 practice practice NN 28553 614 24 . . . 28553 615 1 HOW how WRB 28553 615 2 A a DT 28553 615 3 TURBINE turbine NN 28553 615 4 WORKS works NN 28553 615 5 . . . 28553 616 1 In in IN 28553 616 2 reciprocating reciprocating NN 28553 616 3 -- -- : 28553 616 4 that that RB 28553 616 5 is is RB 28553 616 6 , , , 28553 616 7 cylinder cylinder NN 28553 616 8 -- -- : 28553 616 9 engines engine NNS 28553 616 10 steam steam NN 28553 616 11 is be VBZ 28553 616 12 admitted admit VBN 28553 616 13 into into IN 28553 616 14 a a DT 28553 616 15 chamber chamber NN 28553 616 16 and and CC 28553 616 17 the the DT 28553 616 18 door door NN 28553 616 19 shut shut VBD 28553 616 20 behind behind IN 28553 616 21 it -PRON- PRP 28553 616 22 , , , 28553 616 23 as as IN 28553 616 24 it -PRON- PRP 28553 616 25 were be VBD 28553 616 26 . . . 28553 617 1 As as IN 28553 617 2 it -PRON- PRP 28553 617 3 struggles struggle VBZ 28553 617 4 to to TO 28553 617 5 expand expand VB 28553 617 6 , , , 28553 617 7 it -PRON- PRP 28553 617 8 forces force VBZ 28553 617 9 out out RP 28553 617 10 one one CD 28553 617 11 of of IN 28553 617 12 the the DT 28553 617 13 confining confine VBG 28553 617 14 walls wall NNS 28553 617 15 -- -- : 28553 617 16 that that RB 28553 617 17 is is RB 28553 617 18 , , , 28553 617 19 the the DT 28553 617 20 piston piston NN 28553 617 21 -- -- : 28553 617 22 and and CC 28553 617 23 presently presently RB 28553 617 24 the the DT 28553 617 25 door door NN 28553 617 26 opens open VBZ 28553 617 27 again again RB 28553 617 28 , , , 28553 617 29 and and CC 28553 617 30 allows allow VBZ 28553 617 31 it -PRON- PRP 28553 617 32 to to TO 28553 617 33 escape escape VB 28553 617 34 when when WRB 28553 617 35 it -PRON- PRP 28553 617 36 has have VBZ 28553 617 37 done do VBN 28553 617 38 its -PRON- PRP$ 28553 617 39 work work NN 28553 617 40 . . . 28553 618 1 In in IN 28553 618 2 Hero Hero NNP 28553 618 3 's 's POS 28553 618 4 toy toy NN 28553 618 5 the the DT 28553 618 6 impact impact NN 28553 618 7 of of IN 28553 618 8 the the DT 28553 618 9 issuing issue VBG 28553 618 10 molecules molecule NNS 28553 618 11 against against IN 28553 618 12 other other JJ 28553 618 13 molecules molecule NNS 28553 618 14 that that WDT 28553 618 15 have have VBP 28553 618 16 already already RB 28553 618 17 emerged emerge VBN 28553 618 18 from from IN 28553 618 19 the the DT 28553 618 20 pipes pipe NNS 28553 618 21 was be VBD 28553 618 22 used use VBN 28553 618 23 . . . 28553 619 1 One one CD 28553 619 2 may may MD 28553 619 3 compare compare VB 28553 619 4 the the DT 28553 619 5 reaction reaction NN 28553 619 6 to to IN 28553 619 7 that that DT 28553 619 8 exerted exert VBN 28553 619 9 by by IN 28553 619 10 a a DT 28553 619 11 thrown throw VBN 28553 619 12 stone stone NN 28553 619 13 on on IN 28553 619 14 the the DT 28553 619 15 thrower thrower NN 28553 619 16 . . . 28553 620 1 If if IN 28553 620 2 the the DT 28553 620 3 thrower thrower NN 28553 620 4 is be VBZ 28553 620 5 standing stand VBG 28553 620 6 on on IN 28553 620 7 skates skate NNS 28553 620 8 , , , 28553 620 9 the the DT 28553 620 10 reaction reaction NN 28553 620 11 of of IN 28553 620 12 the the DT 28553 620 13 stone stone NN 28553 620 14 will will MD 28553 620 15 cause cause VB 28553 620 16 him -PRON- PRP 28553 620 17 to to TO 28553 620 18 glide glide VB 28553 620 19 backwards backwards RB 28553 620 20 , , , 28553 620 21 just just RB 28553 620 22 as as IN 28553 620 23 if if IN 28553 620 24 he -PRON- PRP 28553 620 25 had have VBD 28553 620 26 pushed push VBN 28553 620 27 off off RP 28553 620 28 from from IN 28553 620 29 some some DT 28553 620 30 fixed fixed JJ 28553 620 31 object object NN 28553 620 32 . . . 28553 621 1 In in IN 28553 621 2 the the DT 28553 621 3 case case NN 28553 621 4 of of IN 28553 621 5 the the DT 28553 621 6 _ _ NNP 28553 621 7 reaction_--namely reaction_--namely RB 28553 621 8 , , , 28553 621 9 the the DT 28553 621 10 Hero Hero NNP 28553 621 11 - - HYPH 28553 621 12 type type NN 28553 621 13 -- -- : 28553 621 14 turbine turbine VB 28553 621 15 the the DT 28553 621 16 nozzle nozzle NN 28553 621 17 from from IN 28553 621 18 which which WDT 28553 621 19 the the DT 28553 621 20 steam steam NN 28553 621 21 or or CC 28553 621 22 water water NN 28553 621 23 issues issue NNS 28553 621 24 moves move NNS 28553 621 25 , , , 28553 621 26 along along IN 28553 621 27 with with IN 28553 621 28 bodies body NNS 28553 621 29 to to TO 28553 621 30 which which WDT 28553 621 31 it -PRON- PRP 28553 621 32 may may MD 28553 621 33 be be VB 28553 621 34 attached attach VBN 28553 621 35 . . . 28553 622 1 In in IN 28553 622 2 _ _ NNP 28553 622 3 action action NN 28553 622 4 _ _ NNP 28553 622 5 turbines turbines NNP 28553 622 6 steam steam NN 28553 622 7 is be VBZ 28553 622 8 led lead VBN 28553 622 9 through through IN 28553 622 10 fixed fix VBN 28553 622 11 nozzles nozzle NNS 28553 622 12 or or CC 28553 622 13 steam steam NN 28553 622 14 - - HYPH 28553 622 15 ways way NNS 28553 622 16 , , , 28553 622 17 and and CC 28553 622 18 the the DT 28553 622 19 momentum momentum NN 28553 622 20 of of IN 28553 622 21 the the DT 28553 622 22 steam steam NN 28553 622 23 is be VBZ 28553 622 24 brought bring VBN 28553 622 25 to to TO 28553 622 26 bear bear VB 28553 622 27 on on IN 28553 622 28 the the DT 28553 622 29 surfaces surface NNS 28553 622 30 of of IN 28553 622 31 movable movable JJ 28553 622 32 bodies body NNS 28553 622 33 connected connect VBN 28553 622 34 with with IN 28553 622 35 the the DT 28553 622 36 shaft shaft NN 28553 622 37 . . . 28553 623 1 THE the DT 28553 623 2 DE DE NNP 28553 623 3 LAVAL LAVAL NNP 28553 623 4 TURBINE TURBINE NNP 28553 623 5 . . . 28553 624 1 In in IN 28553 624 2 its -PRON- PRP$ 28553 624 3 earliest early JJS 28553 624 4 form form NN 28553 624 5 this this DT 28553 624 6 turbine turbine NN 28553 624 7 was be VBD 28553 624 8 a a DT 28553 624 9 modification modification NN 28553 624 10 of of IN 28553 624 11 Hero Hero NNP 28553 624 12 's 's POS 28553 624 13 . . . 28553 625 1 The the DT 28553 625 2 wheel wheel NN 28553 625 3 was be VBD 28553 625 4 merely merely RB 28553 625 5 a a DT 28553 625 6 pipe pipe NN 28553 625 7 bent bent NN 28553 625 8 in in IN 28553 625 9 S S NNP 28553 625 10 form form NN 28553 625 11 , , , 28553 625 12 attached attach VBN 28553 625 13 at at IN 28553 625 14 its -PRON- PRP$ 28553 625 15 centre centre NN 28553 625 16 to to IN 28553 625 17 a a DT 28553 625 18 hollow hollow JJ 28553 625 19 vertical vertical JJ 28553 625 20 shaft shaft NN 28553 625 21 supplied supply VBN 28553 625 22 with with IN 28553 625 23 steam steam NN 28553 625 24 through through IN 28553 625 25 a a DT 28553 625 26 stuffing stuffing NN 28553 625 27 - - HYPH 28553 625 28 box box NN 28553 625 29 at at IN 28553 625 30 one one CD 28553 625 31 extremity extremity NN 28553 625 32 . . . 28553 626 1 The the DT 28553 626 2 steam steam NN 28553 626 3 blew blow VBD 28553 626 4 out out RP 28553 626 5 tangentially tangentially RB 28553 626 6 from from IN 28553 626 7 the the DT 28553 626 8 ends end NNS 28553 626 9 of of IN 28553 626 10 the the DT 28553 626 11 S S NNP 28553 626 12 , , , 28553 626 13 causing cause VBG 28553 626 14 the the DT 28553 626 15 shaft shaft NN 28553 626 16 to to TO 28553 626 17 revolve revolve VB 28553 626 18 rapidly rapidly RB 28553 626 19 and and CC 28553 626 20 work work VB 28553 626 21 the the DT 28553 626 22 machinery machinery NN 28553 626 23 ( ( -LRB- 28553 626 24 usually usually RB 28553 626 25 a a DT 28553 626 26 cream cream NN 28553 626 27 separator separator NN 28553 626 28 ) ) -RRB- 28553 626 29 mounted mount VBD 28553 626 30 on on IN 28553 626 31 it -PRON- PRP 28553 626 32 . . . 28553 627 1 This this DT 28553 627 2 motor motor NN 28553 627 3 proved prove VBD 28553 627 4 very very RB 28553 627 5 suitable suitable JJ 28553 627 6 for for IN 28553 627 7 dairy dairy NN 28553 627 8 work work NN 28553 627 9 , , , 28553 627 10 but but CC 28553 627 11 was be VBD 28553 627 12 too too RB 28553 627 13 wasteful wasteful JJ 28553 627 14 of of IN 28553 627 15 steam steam NN 28553 627 16 to to TO 28553 627 17 be be VB 28553 627 18 useful useful JJ 28553 627 19 where where WRB 28553 627 20 high high JJ 28553 627 21 power power NN 28553 627 22 was be VBD 28553 627 23 needed need VBN 28553 627 24 . . . 28553 628 1 [ [ -LRB- 28553 628 2 Illustration illustration NN 28553 628 3 : : : 28553 628 4 FIG FIG NNP 28553 628 5 . . . 28553 629 1 36.--The 36.--the CD 28553 629 2 wheel wheel NN 28553 629 3 and and CC 28553 629 4 nozzles nozzle NNS 28553 629 5 of of IN 28553 629 6 a a DT 28553 629 7 De De NNP 28553 629 8 Laval Laval NNP 28553 629 9 turbine turbine NN 28553 629 10 . . . 28553 629 11 ] ] -RRB- 28553 630 1 In in IN 28553 630 2 the the DT 28553 630 3 De De NNP 28553 630 4 Laval Laval NNP 28553 630 5 turbine turbine NN 28553 630 6 as as RB 28553 630 7 now now RB 28553 630 8 constructed construct VBN 28553 630 9 the the DT 28553 630 10 steam steam NN 28553 630 11 is be VBZ 28553 630 12 blown blow VBN 28553 630 13 from from IN 28553 630 14 stationary stationary JJ 28553 630 15 nozzles nozzle NNS 28553 630 16 against against IN 28553 630 17 vanes vane NNS 28553 630 18 mounted mount VBN 28553 630 19 on on IN 28553 630 20 a a DT 28553 630 21 revolving revolving JJ 28553 630 22 wheel wheel NN 28553 630 23 . . . 28553 631 1 Fig fig NN 28553 631 2 . . . 28553 632 1 36 36 CD 28553 632 2 shows show VBZ 28553 632 3 the the DT 28553 632 4 nozzles nozzle NNS 28553 632 5 and and CC 28553 632 6 a a DT 28553 632 7 turbine turbine NN 28553 632 8 wheel wheel NN 28553 632 9 . . . 28553 633 1 The the DT 28553 633 2 wheel wheel NN 28553 633 3 is be VBZ 28553 633 4 made make VBN 28553 633 5 as as IN 28553 633 6 a a DT 28553 633 7 solid solid JJ 28553 633 8 disc disc NN 28553 633 9 , , , 28553 633 10 to to IN 28553 633 11 the the DT 28553 633 12 circumference circumference NN 28553 633 13 of of IN 28553 633 14 which which WDT 28553 633 15 the the DT 28553 633 16 vanes vane NNS 28553 633 17 are be VBP 28553 633 18 dovetailed dovetail VBN 28553 633 19 separately separately RB 28553 633 20 in in IN 28553 633 21 a a DT 28553 633 22 single single JJ 28553 633 23 row row NN 28553 633 24 . . . 28553 634 1 Each each DT 28553 634 2 vane vane NN 28553 634 3 is be VBZ 28553 634 4 of of IN 28553 634 5 curved curved JJ 28553 634 6 section section NN 28553 634 7 , , , 28553 634 8 the the DT 28553 634 9 concave concave NNP 28553 634 10 side side NN 28553 634 11 directed direct VBD 28553 634 12 towards towards IN 28553 634 13 the the DT 28553 634 14 nozzles nozzle NNS 28553 634 15 , , , 28553 634 16 which which WDT 28553 634 17 , , , 28553 634 18 as as IN 28553 634 19 will will MD 28553 634 20 be be VB 28553 634 21 gathered gather VBN 28553 634 22 from from IN 28553 634 23 the the DT 28553 634 24 " " `` 28553 634 25 transparent transparent JJ 28553 634 26 " " '' 28553 634 27 specimen speciman NNS 28553 634 28 on on IN 28553 634 29 the the DT 28553 634 30 right right NN 28553 634 31 of of IN 28553 634 32 our -PRON- PRP$ 28553 634 33 illustration illustration NN 28553 634 34 , , , 28553 634 35 gradually gradually RB 28553 634 36 expand expand VB 28553 634 37 towards towards IN 28553 634 38 the the DT 28553 634 39 mouth mouth NN 28553 634 40 . . . 28553 635 1 This this DT 28553 635 2 is be VBZ 28553 635 3 to to TO 28553 635 4 allow allow VB 28553 635 5 the the DT 28553 635 6 expansion expansion NN 28553 635 7 of of IN 28553 635 8 the the DT 28553 635 9 steam steam NN 28553 635 10 , , , 28553 635 11 and and CC 28553 635 12 a a DT 28553 635 13 consequent consequent JJ 28553 635 14 gain gain NN 28553 635 15 of of IN 28553 635 16 velocity velocity NN 28553 635 17 . . . 28553 636 1 As as IN 28553 636 2 it -PRON- PRP 28553 636 3 issues issue VBZ 28553 636 4 , , , 28553 636 5 each each DT 28553 636 6 molecule molecule JJ 28553 636 7 strikes strike NNS 28553 636 8 against against IN 28553 636 9 the the DT 28553 636 10 concave concave NNP 28553 636 11 face face NN 28553 636 12 of of IN 28553 636 13 a a DT 28553 636 14 vane vane NN 28553 636 15 , , , 28553 636 16 and and CC 28553 636 17 , , , 28553 636 18 while while IN 28553 636 19 changing change VBG 28553 636 20 its -PRON- PRP$ 28553 636 21 direction direction NN 28553 636 22 , , , 28553 636 23 is be VBZ 28553 636 24 robbed rob VBN 28553 636 25 of of IN 28553 636 26 its -PRON- PRP$ 28553 636 27 kinetic kinetic JJ 28553 636 28 energy energy NN 28553 636 29 , , , 28553 636 30 which which WDT 28553 636 31 passes pass VBZ 28553 636 32 to to IN 28553 636 33 the the DT 28553 636 34 wheel wheel NN 28553 636 35 . . . 28553 637 1 To to TO 28553 637 2 turn turn VB 28553 637 3 once once RB 28553 637 4 more more JJR 28553 637 5 to to IN 28553 637 6 a a DT 28553 637 7 stone stone NN 28553 637 8 - - HYPH 28553 637 9 throwing throw VBG 28553 637 10 comparison comparison NN 28553 637 11 , , , 28553 637 12 it -PRON- PRP 28553 637 13 is be VBZ 28553 637 14 as as IN 28553 637 15 if if IN 28553 637 16 a a DT 28553 637 17 boy boy NN 28553 637 18 were be VBD 28553 637 19 pelting pelt VBG 28553 637 20 the the DT 28553 637 21 wheel wheel NN 28553 637 22 with with IN 28553 637 23 an an DT 28553 637 24 enormous enormous JJ 28553 637 25 number number NN 28553 637 26 of of IN 28553 637 27 tiny tiny JJ 28553 637 28 stones stone NNS 28553 637 29 . . . 28553 638 1 Now now RB 28553 638 2 , , , 28553 638 3 escaping escape VBG 28553 638 4 high high JJ 28553 638 5 - - HYPH 28553 638 6 pressure pressure NN 28553 638 7 steam steam NN 28553 638 8 moves move VBZ 28553 638 9 very very RB 28553 638 10 fast fast RB 28553 638 11 indeed indeed RB 28553 638 12 . . . 28553 639 1 To to TO 28553 639 2 give give VB 28553 639 3 figures figure NNS 28553 639 4 , , , 28553 639 5 if if IN 28553 639 6 it -PRON- PRP 28553 639 7 enters enter VBZ 28553 639 8 the the DT 28553 639 9 small small JJ 28553 639 10 end end NN 28553 639 11 of of IN 28553 639 12 a a DT 28553 639 13 De De NNP 28553 639 14 Laval Laval NNP 28553 639 15 nozzle nozzle NN 28553 639 16 at at IN 28553 639 17 200 200 CD 28553 639 18 lbs lbs NN 28553 639 19 . . . 28553 640 1 per per IN 28553 640 2 square square JJ 28553 640 3 inch inch NN 28553 640 4 , , , 28553 640 5 it -PRON- PRP 28553 640 6 will will MD 28553 640 7 leave leave VB 28553 640 8 the the DT 28553 640 9 big big JJ 28553 640 10 end end NN 28553 640 11 at at IN 28553 640 12 a a DT 28553 640 13 velocity velocity NN 28553 640 14 of of IN 28553 640 15 48 48 CD 28553 640 16 miles mile NNS 28553 640 17 per per IN 28553 640 18 _ _ NNP 28553 640 19 minute_--that minute_--that NN 28553 640 20 is be VBZ 28553 640 21 , , , 28553 640 22 at at IN 28553 640 23 a a DT 28553 640 24 speed speed NN 28553 640 25 which which WDT 28553 640 26 would would MD 28553 640 27 take take VB 28553 640 28 it -PRON- PRP 28553 640 29 right right RB 28553 640 30 round round IN 28553 640 31 the the DT 28553 640 32 world world NN 28553 640 33 in in IN 28553 640 34 8 8 CD 28553 640 35 - - SYM 28553 640 36 1/2 1/2 CD 28553 640 37 hours hour NNS 28553 640 38 ! ! . 28553 641 1 The the DT 28553 641 2 wheel wheel NN 28553 641 3 itself -PRON- PRP 28553 641 4 would would MD 28553 641 5 not not RB 28553 641 6 move move VB 28553 641 7 at at IN 28553 641 8 more more RBR 28553 641 9 than than IN 28553 641 10 about about RB 28553 641 11 one one CD 28553 641 12 - - HYPH 28553 641 13 third third NN 28553 641 14 of of IN 28553 641 15 this this DT 28553 641 16 speed speed NN 28553 641 17 as as IN 28553 641 18 a a DT 28553 641 19 maximum maximum NN 28553 641 20 . . . 28553 642 1 [ [ -LRB- 28553 642 2 7 7 CD 28553 642 3 ] ] -RRB- 28553 642 4 But but CC 28553 642 5 even even RB 28553 642 6 so so RB 28553 642 7 , , , 28553 642 8 it -PRON- PRP 28553 642 9 may may MD 28553 642 10 make make VB 28553 642 11 as as RB 28553 642 12 many many JJ 28553 642 13 as as IN 28553 642 14 30,000 30,000 CD 28553 642 15 revolutions revolution NNS 28553 642 16 per per IN 28553 642 17 minute minute NN 28553 642 18 . . . 28553 643 1 A a DT 28553 643 2 mechanical mechanical JJ 28553 643 3 difficulty difficulty NN 28553 643 4 is be VBZ 28553 643 5 now now RB 28553 643 6 encountered encounter VBN 28553 643 7 -- -- : 28553 643 8 namely namely RB 28553 643 9 , , , 28553 643 10 that that DT 28553 643 11 arising arise VBG 28553 643 12 from from IN 28553 643 13 vibration vibration NN 28553 643 14 . . . 28553 644 1 No no RB 28553 644 2 matter matter RB 28553 644 3 how how WRB 28553 644 4 carefully carefully RB 28553 644 5 the the DT 28553 644 6 turbine turbine NN 28553 644 7 wheel wheel NN 28553 644 8 may may MD 28553 644 9 be be VB 28553 644 10 balanced balanced JJ 28553 644 11 , , , 28553 644 12 it -PRON- PRP 28553 644 13 is be VBZ 28553 644 14 practically practically RB 28553 644 15 impossible impossible JJ 28553 644 16 to to TO 28553 644 17 make make VB 28553 644 18 its -PRON- PRP$ 28553 644 19 centre centre NN 28553 644 20 of of IN 28553 644 21 gravity gravity NN 28553 644 22 coincide coincide VBP 28553 644 23 exactly exactly RB 28553 644 24 with with IN 28553 644 25 the the DT 28553 644 26 central central JJ 28553 644 27 point point NN 28553 644 28 of of IN 28553 644 29 the the DT 28553 644 30 shaft shaft NN 28553 644 31 ; ; : 28553 644 32 in in IN 28553 644 33 other other JJ 28553 644 34 words word NNS 28553 644 35 , , , 28553 644 36 the the DT 28553 644 37 wheel wheel NN 28553 644 38 will will MD 28553 644 39 be be VB 28553 644 40 a a DT 28553 644 41 bit bit NN 28553 644 42 -- -- : 28553 644 43 perhaps perhaps RB 28553 644 44 only only RB 28553 644 45 a a DT 28553 644 46 tiny tiny JJ 28553 644 47 fraction fraction NN 28553 644 48 of of IN 28553 644 49 an an DT 28553 644 50 ounce ounce NN 28553 644 51 -- -- : 28553 644 52 heavier heavy JJR 28553 644 53 on on IN 28553 644 54 one one CD 28553 644 55 side side NN 28553 644 56 than than IN 28553 644 57 the the DT 28553 644 58 other other JJ 28553 644 59 . . . 28553 645 1 This this DT 28553 645 2 want want NN 28553 645 3 of of IN 28553 645 4 truth truth NN 28553 645 5 causes cause VBZ 28553 645 6 vibration vibration NN 28553 645 7 , , , 28553 645 8 which which WDT 28553 645 9 , , , 28553 645 10 at at IN 28553 645 11 the the DT 28553 645 12 high high JJ 28553 645 13 speed speed NN 28553 645 14 mentioned mention VBN 28553 645 15 , , , 28553 645 16 would would MD 28553 645 17 cause cause VB 28553 645 18 the the DT 28553 645 19 shaft shaft NN 28553 645 20 to to TO 28553 645 21 knock knock VB 28553 645 22 the the DT 28553 645 23 bearings bearing NNS 28553 645 24 in in IN 28553 645 25 which which WDT 28553 645 26 it -PRON- PRP 28553 645 27 revolves revolve VBZ 28553 645 28 to to IN 28553 645 29 pieces piece NNS 28553 645 30 , , , 28553 645 31 if if IN 28553 645 32 -- -- : 28553 645 33 and and CC 28553 645 34 this this DT 28553 645 35 is be VBZ 28553 645 36 the the DT 28553 645 37 point point NN 28553 645 38 -- -- : 28553 645 39 those those DT 28553 645 40 bearings bearing NNS 28553 645 41 were be VBD 28553 645 42 close close JJ 28553 645 43 to to IN 28553 645 44 the the DT 28553 645 45 wheel wheel NN 28553 645 46 M. M. NNP 28553 645 47 de de NNP 28553 645 48 Laval Laval NNP 28553 645 49 mounted mount VBD 28553 645 50 the the DT 28553 645 51 wheel wheel NN 28553 645 52 on on IN 28553 645 53 a a DT 28553 645 54 shaft shaft NN 28553 645 55 long long RB 28553 645 56 enough enough RB 28553 645 57 between between IN 28553 645 58 the the DT 28553 645 59 bearings bearing NNS 28553 645 60 to to TO 28553 645 61 " " `` 28553 645 62 whip whip VB 28553 645 63 , , , 28553 645 64 " " '' 28553 645 65 or or CC 28553 645 66 bend bend VB 28553 645 67 a a DT 28553 645 68 little little JJ 28553 645 69 , , , 28553 645 70 and and CC 28553 645 71 the the DT 28553 645 72 difficulty difficulty NN 28553 645 73 was be VBD 28553 645 74 surmounted surmount VBN 28553 645 75 . . . 28553 646 1 The the DT 28553 646 2 normal normal JJ 28553 646 3 speed speed NN 28553 646 4 of of IN 28553 646 5 the the DT 28553 646 6 turbine turbine NN 28553 646 7 wheel wheel NN 28553 646 8 is be VBZ 28553 646 9 too too RB 28553 646 10 high high JJ 28553 646 11 for for IN 28553 646 12 direct direct JJ 28553 646 13 driving driving NN 28553 646 14 of of IN 28553 646 15 some some DT 28553 646 16 machinery machinery NN 28553 646 17 , , , 28553 646 18 so so CC 28553 646 19 it -PRON- PRP 28553 646 20 is be VBZ 28553 646 21 reduced reduce VBN 28553 646 22 by by IN 28553 646 23 means mean NNS 28553 646 24 of of IN 28553 646 25 gearing gearing NN 28553 646 26 . . . 28553 647 1 To to IN 28553 647 2 dynamos dynamos NNP 28553 647 3 , , , 28553 647 4 pumps pump NNS 28553 647 5 , , , 28553 647 6 and and CC 28553 647 7 air air NN 28553 647 8 - - HYPH 28553 647 9 fans fan NNS 28553 647 10 it -PRON- PRP 28553 647 11 is be VBZ 28553 647 12 often often RB 28553 647 13 coupled couple VBN 28553 647 14 direct direct JJ 28553 647 15 . . . 28553 648 1 THE the DT 28553 648 2 PARSONS parson NNS 28553 648 3 TURBINE TURBINE NNP 28553 648 4 . . . 28553 649 1 At at IN 28553 649 2 the the DT 28553 649 3 grand grand JJ 28553 649 4 naval naval JJ 28553 649 5 review review NN 28553 649 6 held hold VBN 28553 649 7 in in IN 28553 649 8 1897 1897 CD 28553 649 9 in in IN 28553 649 10 honour honour NN 28553 649 11 of of IN 28553 649 12 Queen Queen NNP 28553 649 13 Victoria Victoria NNP 28553 649 14 's 's POS 28553 649 15 diamond diamond NN 28553 649 16 jubilee jubilee NNP 28553 649 17 , , , 28553 649 18 one one CD 28553 649 19 of of IN 28553 649 20 the the DT 28553 649 21 most most RBS 28553 649 22 noteworthy noteworthy JJ 28553 649 23 sights sight NNS 28553 649 24 was be VBD 28553 649 25 the the DT 28553 649 26 little little JJ 28553 649 27 _ _ NNP 28553 649 28 Turbinia Turbinia NNP 28553 649 29 _ _ NNP 28553 649 30 of of IN 28553 649 31 44 44 CD 28553 649 32 - - HYPH 28553 649 33 1/2 1/2 CD 28553 649 34 tons ton NNS 28553 649 35 burthen burthen NN 28553 649 36 , , , 28553 649 37 which which WDT 28553 649 38 darted dart VBD 28553 649 39 about about IN 28553 649 40 among among IN 28553 649 41 the the DT 28553 649 42 floating float VBG 28553 649 43 forts fort NNS 28553 649 44 at at IN 28553 649 45 a a DT 28553 649 46 speed speed NN 28553 649 47 much much JJ 28553 649 48 surpassing surpass VBG 28553 649 49 that that DT 28553 649 50 of of IN 28553 649 51 the the DT 28553 649 52 fastest fast JJS 28553 649 53 " " `` 28553 649 54 destroyer destroyer NN 28553 649 55 . . . 28553 649 56 " " '' 28553 650 1 Inside inside IN 28553 650 2 the the DT 28553 650 3 nimble nimble JJ 28553 650 4 little little JJ 28553 650 5 craft craft NN 28553 650 6 were be VBD 28553 650 7 engines engine NNS 28553 650 8 developing develop VBG 28553 650 9 2,000 2,000 CD 28553 650 10 horse horse NN 28553 650 11 power power NN 28553 650 12 , , , 28553 650 13 without without IN 28553 650 14 any any DT 28553 650 15 of of IN 28553 650 16 the the DT 28553 650 17 clank clank NN 28553 650 18 and and CC 28553 650 19 vibration vibration NN 28553 650 20 which which WDT 28553 650 21 usually usually RB 28553 650 22 reigns reign VBZ 28553 650 23 in in IN 28553 650 24 the the DT 28553 650 25 engine engine NN 28553 650 26 - - HYPH 28553 650 27 room room NN 28553 650 28 of of IN 28553 650 29 a a DT 28553 650 30 high high JJ 28553 650 31 - - HYPH 28553 650 32 speed speed NN 28553 650 33 vessel vessel NN 28553 650 34 . . . 28553 651 1 The the DT 28553 651 2 _ _ NNP 28553 651 3 Turbinia Turbinia NNP 28553 651 4 _ _ NNP 28553 651 5 was be VBD 28553 651 6 the the DT 28553 651 7 first first JJ 28553 651 8 turbine turbine NN 28553 651 9 - - HYPH 28553 651 10 driven drive VBN 28553 651 11 boat boat NN 28553 651 12 , , , 28553 651 13 and and CC 28553 651 14 as as IN 28553 651 15 such such JJ 28553 651 16 , , , 28553 651 17 even even RB 28553 651 18 apart apart RB 28553 651 19 from from IN 28553 651 20 her -PRON- PRP$ 28553 651 21 extraordinary extraordinary JJ 28553 651 22 pace pace NN 28553 651 23 , , , 28553 651 24 she -PRON- PRP 28553 651 25 attracted attract VBD 28553 651 26 great great JJ 28553 651 27 attention attention NN 28553 651 28 . . . 28553 652 1 Since since IN 28553 652 2 1897 1897 CD 28553 652 3 the the DT 28553 652 4 Parsons Parsons NNPS 28553 652 5 turbine turbine NN 28553 652 6 has have VBZ 28553 652 7 been be VBN 28553 652 8 installed instal VBN 28553 652 9 on on IN 28553 652 10 many many JJ 28553 652 11 ships ship NNS 28553 652 12 , , , 28553 652 13 including include VBG 28553 652 14 several several JJ 28553 652 15 men man NNS 28553 652 16 - - HYPH 28553 652 17 of of IN 28553 652 18 - - HYPH 28553 652 19 war war NN 28553 652 20 , , , 28553 652 21 and and CC 28553 652 22 it -PRON- PRP 28553 652 23 seems seem VBZ 28553 652 24 probable probable JJ 28553 652 25 that that IN 28553 652 26 the the DT 28553 652 27 time time NN 28553 652 28 is be VBZ 28553 652 29 not not RB 28553 652 30 far far RB 28553 652 31 distant distant JJ 28553 652 32 when when WRB 28553 652 33 reciprocating reciprocate VBG 28553 652 34 engines engine NNS 28553 652 35 will will MD 28553 652 36 be be VB 28553 652 37 abandoned abandon VBN 28553 652 38 on on IN 28553 652 39 all all DT 28553 652 40 high high JJ 28553 652 41 - - HYPH 28553 652 42 speed speed NN 28553 652 43 craft craft NN 28553 652 44 . . . 28553 653 1 DESCRIPTION description NN 28553 653 2 OF of IN 28553 653 3 THE the DT 28553 653 4 PARSONS parson NNS 28553 653 5 TURBINE TURBINE NNP 28553 653 6 . . . 28553 654 1 [ [ -LRB- 28553 654 2 Illustration illustration NN 28553 654 3 : : : 28553 654 4 FIG FIG NNP 28553 654 5 . . . 28553 655 1 37.--Section 37.--section CD 28553 655 2 of of IN 28553 655 3 a a DT 28553 655 4 Parsons Parsons NNP 28553 655 5 turbine turbine NN 28553 655 6 . . . 28553 655 7 ] ] -RRB- 28553 656 1 The the DT 28553 656 2 essential essential JJ 28553 656 3 parts part NNS 28553 656 4 of of IN 28553 656 5 a a DT 28553 656 6 Parsons Parsons NNPS 28553 656 7 turbine turbine NN 28553 656 8 are:--(1 are:--(1 NN 28553 656 9 ) ) -RRB- 28553 656 10 The the DT 28553 656 11 shaft shaft NN 28553 656 12 , , , 28553 656 13 on on IN 28553 656 14 which which WDT 28553 656 15 is be VBZ 28553 656 16 mounted mount VBN 28553 656 17 ( ( -LRB- 28553 656 18 2 2 LS 28553 656 19 ) ) -RRB- 28553 656 20 the the DT 28553 656 21 drum drum NN 28553 656 22 ; ; : 28553 656 23 ( ( -LRB- 28553 656 24 3 3 LS 28553 656 25 ) ) -RRB- 28553 656 26 the the DT 28553 656 27 cylindrical cylindrical JJ 28553 656 28 casing casing NN 28553 656 29 inside inside IN 28553 656 30 which which WDT 28553 656 31 the the DT 28553 656 32 drum drum NN 28553 656 33 revolves revolve VBZ 28553 656 34 ; ; : 28553 656 35 ( ( -LRB- 28553 656 36 4 4 LS 28553 656 37 ) ) -RRB- 28553 656 38 the the DT 28553 656 39 vanes vane NNS 28553 656 40 on on IN 28553 656 41 the the DT 28553 656 42 drum drum NN 28553 656 43 and and CC 28553 656 44 casing casing NN 28553 656 45 ; ; : 28553 656 46 ( ( -LRB- 28553 656 47 5 5 LS 28553 656 48 ) ) -RRB- 28553 656 49 the the DT 28553 656 50 balance balance NN 28553 656 51 pistons piston NNS 28553 656 52 . . . 28553 657 1 Fig fig NN 28553 657 2 . . . 28553 658 1 37 37 CD 28553 658 2 shows show VBZ 28553 658 3 a a DT 28553 658 4 diagrammatic diagrammatic JJ 28553 658 5 turbine turbine NN 28553 658 6 in in IN 28553 658 7 section section NN 28553 658 8 . . . 28553 659 1 The the DT 28553 659 2 drum drum NN 28553 659 3 , , , 28553 659 4 it -PRON- PRP 28553 659 5 will will MD 28553 659 6 be be VB 28553 659 7 noticed notice VBN 28553 659 8 , , , 28553 659 9 increases increase VBZ 28553 659 10 its -PRON- PRP$ 28553 659 11 diameter diameter NN 28553 659 12 in in IN 28553 659 13 three three CD 28553 659 14 stages stage NNS 28553 659 15 , , , 28553 659 16 D^1 D^1 NNP 28553 659 17 , , , 28553 659 18 D^2 D^2 NNP 28553 659 19 , , , 28553 659 20 D^3 D^3 NNP 28553 659 21 , , , 28553 659 22 towards towards IN 28553 659 23 the the DT 28553 659 24 right right NN 28553 659 25 . . . 28553 660 1 From from IN 28553 660 2 end end NN 28553 660 3 to to TO 28553 660 4 end end VB 28553 660 5 it -PRON- PRP 28553 660 6 is be VBZ 28553 660 7 studded stud VBN 28553 660 8 with with IN 28553 660 9 little little JJ 28553 660 10 vanes vane NNS 28553 660 11 , , , 28553 660 12 M M NNP 28553 660 13 M M NNP 28553 660 14 , , , 28553 660 15 set set VBN 28553 660 16 in in IN 28553 660 17 parallel parallel JJ 28553 660 18 rings ring NNS 28553 660 19 small small JJ 28553 660 20 distances distance NNS 28553 660 21 apart apart RB 28553 660 22 . . . 28553 661 1 Each each DT 28553 661 2 vane vane NN 28553 661 3 has have VBZ 28553 661 4 a a DT 28553 661 5 curved curved JJ 28553 661 6 section section NN 28553 661 7 ( ( -LRB- 28553 661 8 see see VB 28553 661 9 Fig Fig NNP 28553 661 10 . . . 28553 662 1 38 38 CD 28553 662 2 ) ) -RRB- 28553 662 3 , , , 28553 662 4 the the DT 28553 662 5 hollow hollow JJ 28553 662 6 side side NN 28553 662 7 facing face VBG 28553 662 8 towards towards IN 28553 662 9 the the DT 28553 662 10 left left NN 28553 662 11 . . . 28553 663 1 The the DT 28553 663 2 vanes vane NNS 28553 663 3 stick stick VBP 28553 663 4 out out RP 28553 663 5 from from IN 28553 663 6 the the DT 28553 663 7 drum drum NN 28553 663 8 like like IN 28553 663 9 short short JJ 28553 663 10 spokes spoke NNS 28553 663 11 , , , 28553 663 12 and and CC 28553 663 13 their -PRON- PRP$ 28553 663 14 outer outer JJ 28553 663 15 ends end NNS 28553 663 16 almost almost RB 28553 663 17 touch touch VBP 28553 663 18 the the DT 28553 663 19 casing casing NN 28553 663 20 . . . 28553 664 1 To to IN 28553 664 2 the the DT 28553 664 3 latter latter JJ 28553 664 4 are be VBP 28553 664 5 attached attach VBN 28553 664 6 equally equally RB 28553 664 7 - - HYPH 28553 664 8 spaced space VBN 28553 664 9 rings ring NNS 28553 664 10 of of IN 28553 664 11 fixed fix VBN 28553 664 12 vanes vane NNS 28553 664 13 , , , 28553 664 14 F F NNP 28553 664 15 F F NNP 28553 664 16 , , , 28553 664 17 pointing point VBG 28553 664 18 inwards inward NNS 28553 664 19 towards towards IN 28553 664 20 the the DT 28553 664 21 drum drum NN 28553 664 22 , , , 28553 664 23 and and CC 28553 664 24 occupying occupy VBG 28553 664 25 the the DT 28553 664 26 intervals interval NNS 28553 664 27 between between IN 28553 664 28 the the DT 28553 664 29 rings ring NNS 28553 664 30 of of IN 28553 664 31 moving move VBG 28553 664 32 vanes vane NNS 28553 664 33 . . . 28553 665 1 Their -PRON- PRP$ 28553 665 2 concave concave JJ 28553 665 3 sides side NNS 28553 665 4 also also RB 28553 665 5 face face VBP 28553 665 6 towards towards IN 28553 665 7 the the DT 28553 665 8 left left NN 28553 665 9 , , , 28553 665 10 but but CC 28553 665 11 , , , 28553 665 12 as as IN 28553 665 13 seen see VBN 28553 665 14 in in IN 28553 665 15 Fig Fig NNP 28553 665 16 . . . 28553 666 1 38 38 CD 28553 666 2 , , , 28553 666 3 their -PRON- PRP$ 28553 666 4 line line NN 28553 666 5 of of IN 28553 666 6 curve curve NN 28553 666 7 lies lie VBZ 28553 666 8 the the DT 28553 666 9 reverse reverse JJ 28553 666 10 way way NN 28553 666 11 to to IN 28553 666 12 that that DT 28553 666 13 of of IN 28553 666 14 M M NNP 28553 666 15 M. M. NNP 28553 666 16 Steam Steam NNP 28553 666 17 enters enter VBZ 28553 666 18 the the DT 28553 666 19 casing casing NN 28553 666 20 at at IN 28553 666 21 A a NN 28553 666 22 , , , 28553 666 23 and and CC 28553 666 24 at at IN 28553 666 25 once once RB 28553 666 26 rushes rush VBZ 28553 666 27 through through IN 28553 666 28 the the DT 28553 666 29 vanes vane NNS 28553 666 30 towards towards IN 28553 666 31 the the DT 28553 666 32 outlet outlet NN 28553 666 33 at at IN 28553 666 34 B. B. NNP 28553 667 1 It -PRON- PRP 28553 667 2 meets meet VBZ 28553 667 3 the the DT 28553 667 4 first first JJ 28553 667 5 row row NN 28553 667 6 of of IN 28553 667 7 fixed fixed JJ 28553 667 8 vanes vane NNS 28553 667 9 , , , 28553 667 10 and and CC 28553 667 11 has have VBZ 28553 667 12 its -PRON- PRP$ 28553 667 13 path path NN 28553 667 14 so so RB 28553 667 15 deflected deflect VBD 28553 667 16 that that IN 28553 667 17 it -PRON- PRP 28553 667 18 strikes strike VBZ 28553 667 19 the the DT 28553 667 20 ring ring NN 28553 667 21 of of IN 28553 667 22 moving move VBG 28553 667 23 ( ( -LRB- 28553 667 24 or or CC 28553 667 25 drum drum VB 28553 667 26 ) ) -RRB- 28553 667 27 vanes vane NNS 28553 667 28 at at IN 28553 667 29 the the DT 28553 667 30 most most RBS 28553 667 31 effective effective JJ 28553 667 32 angle angle NN 28553 667 33 , , , 28553 667 34 and and CC 28553 667 35 pushes push VBZ 28553 667 36 them -PRON- PRP 28553 667 37 round round RB 28553 667 38 . . . 28553 668 1 It -PRON- PRP 28553 668 2 then then RB 28553 668 3 has have VBZ 28553 668 4 its -PRON- PRP$ 28553 668 5 direction direction NN 28553 668 6 changed change VBN 28553 668 7 by by IN 28553 668 8 the the DT 28553 668 9 ring ring NN 28553 668 10 of of IN 28553 668 11 F F NNP 28553 668 12 F F NNP 28553 668 13 , , , 28553 668 14 so so IN 28553 668 15 that that IN 28553 668 16 it -PRON- PRP 28553 668 17 may may MD 28553 668 18 treat treat VB 28553 668 19 the the DT 28553 668 20 next next JJ 28553 668 21 row row NN 28553 668 22 of of IN 28553 668 23 M M NNP 28553 668 24 M M NNP 28553 668 25 in in IN 28553 668 26 a a DT 28553 668 27 similar similar JJ 28553 668 28 fashion fashion NN 28553 668 29 . . . 28553 669 1 [ [ -LRB- 28553 669 2 Illustration illustration NN 28553 669 3 : : : 28553 669 4 FIG FIG NNP 28553 669 5 . . . 28553 670 1 38.--Blades 38.--blades CD 28553 670 2 or or CC 28553 670 3 vanes vane NNS 28553 670 4 of of IN 28553 670 5 a a DT 28553 670 6 Parsons Parsons NNP 28553 670 7 turbine turbine NN 28553 670 8 . . . 28553 670 9 ] ] -RRB- 28553 671 1 [ [ -LRB- 28553 671 2 Illustration illustration NN 28553 671 3 : : : 28553 671 4 One one CD 28553 671 5 of of IN 28553 671 6 the the DT 28553 671 7 low low JJ 28553 671 8 - - HYPH 28553 671 9 pressure pressure NN 28553 671 10 turbines turbine NNS 28553 671 11 of of IN 28553 671 12 the the DT 28553 671 13 _ _ NNP 28553 671 14 Carmania Carmania NNP 28553 671 15 _ _ NNP 28553 671 16 , , , 28553 671 17 in in IN 28553 671 18 casing case VBG 28553 671 19 . . . 28553 672 1 Its -PRON- PRP$ 28553 672 2 size size NN 28553 672 3 will will MD 28553 672 4 be be VB 28553 672 5 inferred infer VBN 28553 672 6 from from IN 28553 672 7 comparison comparison NN 28553 672 8 with with IN 28553 672 9 the the DT 28553 672 10 man man NN 28553 672 11 standing stand VBG 28553 672 12 near near IN 28553 672 13 the the DT 28553 672 14 end end NN 28553 672 15 of of IN 28553 672 16 the the DT 28553 672 17 casing casing NN 28553 672 18 . . . 28553 672 19 ] ] -RRB- 28553 673 1 THE the DT 28553 673 2 EXPANSIVE expansive NN 28553 673 3 ACTION action NN 28553 673 4 OF of IN 28553 673 5 STEAM steam JJ 28553 673 6 IN in IN 28553 673 7 A a DT 28553 673 8 TURBINE turbine NN 28553 673 9 . . . 28553 674 1 On on IN 28553 674 2 reaching reach VBG 28553 674 3 the the DT 28553 674 4 end end NN 28553 674 5 of of IN 28553 674 6 D^1 d^1 NN 28553 674 7 it -PRON- PRP 28553 674 8 enters enter VBZ 28553 674 9 the the DT 28553 674 10 second second JJ 28553 674 11 , , , 28553 674 12 or or CC 28553 674 13 intermediate intermediate JJ 28553 674 14 , , , 28553 674 15 set set VBN 28553 674 16 of of IN 28553 674 17 vanes vane NNS 28553 674 18 . . . 28553 675 1 The the DT 28553 675 2 drum drum NN 28553 675 3 here here RB 28553 675 4 is be VBZ 28553 675 5 of of IN 28553 675 6 a a DT 28553 675 7 greater great JJR 28553 675 8 diameter diameter NN 28553 675 9 , , , 28553 675 10 and and CC 28553 675 11 the the DT 28553 675 12 blades blade NNS 28553 675 13 are be VBP 28553 675 14 longer long JJR 28553 675 15 and and CC 28553 675 16 set set VBN 28553 675 17 somewhat somewhat RB 28553 675 18 farther far RBR 28553 675 19 apart apart RB 28553 675 20 , , , 28553 675 21 to to TO 28553 675 22 give give VB 28553 675 23 a a DT 28553 675 24 freer free JJR 28553 675 25 passage passage NN 28553 675 26 to to IN 28553 675 27 the the DT 28553 675 28 now now RB 28553 675 29 partly partly RB 28553 675 30 expanded expand VBN 28553 675 31 steam steam NN 28553 675 32 , , , 28553 675 33 which which WDT 28553 675 34 has have VBZ 28553 675 35 lost lose VBN 28553 675 36 pressure pressure NN 28553 675 37 but but CC 28553 675 38 gained gain VBD 28553 675 39 velocity velocity NN 28553 675 40 . . . 28553 676 1 The the DT 28553 676 2 process process NN 28553 676 3 of of IN 28553 676 4 movement movement NN 28553 676 5 is be VBZ 28553 676 6 repeated repeat VBN 28553 676 7 through through IN 28553 676 8 this this DT 28553 676 9 stage stage NN 28553 676 10 ; ; : 28553 676 11 and and CC 28553 676 12 again again RB 28553 676 13 in in IN 28553 676 14 D^3 D^3 NNP 28553 676 15 , , , 28553 676 16 the the DT 28553 676 17 low low JJ 28553 676 18 - - HYPH 28553 676 19 pressure pressure NN 28553 676 20 drum drum NN 28553 676 21 . . . 28553 677 1 The the DT 28553 677 2 steam steam NN 28553 677 3 then then RB 28553 677 4 escapes escape VBZ 28553 677 5 to to IN 28553 677 6 the the DT 28553 677 7 condenser condenser NN 28553 677 8 through through IN 28553 677 9 B b NN 28553 677 10 , , , 28553 677 11 having have VBG 28553 677 12 by by IN 28553 677 13 this this DT 28553 677 14 time time NN 28553 677 15 expanded expand VBD 28553 677 16 very very RB 28553 677 17 many many JJ 28553 677 18 times time NNS 28553 677 19 ; ; : 28553 677 20 and and CC 28553 677 21 it -PRON- PRP 28553 677 22 is be VBZ 28553 677 23 found find VBN 28553 677 24 advisable advisable JJ 28553 677 25 , , , 28553 677 26 for for IN 28553 677 27 reasons reason NNS 28553 677 28 explained explain VBN 28553 677 29 in in IN 28553 677 30 connection connection NN 28553 677 31 with with IN 28553 677 32 compound compound NN 28553 677 33 steam steam NN 28553 677 34 - - HYPH 28553 677 35 engines engine NNS 28553 677 36 , , , 28553 677 37 to to TO 28553 677 38 have have VB 28553 677 39 a a DT 28553 677 40 separate separate JJ 28553 677 41 turbine turbine NN 28553 677 42 in in IN 28553 677 43 an an DT 28553 677 44 independent independent JJ 28553 677 45 casing casing NN 28553 677 46 for for IN 28553 677 47 the the DT 28553 677 48 extreme extreme JJ 28553 677 49 stages stage NNS 28553 677 50 of of IN 28553 677 51 expansion expansion NN 28553 677 52 . . . 28553 678 1 The the DT 28553 678 2 vanes vane NNS 28553 678 3 are be VBP 28553 678 4 made make VBN 28553 678 5 of of IN 28553 678 6 brass brass NN 28553 678 7 . . . 28553 679 1 In in IN 28553 679 2 the the DT 28553 679 3 turbines turbine NNS 28553 679 4 of of IN 28553 679 5 the the DT 28553 679 6 _ _ NNP 28553 679 7 Carmania Carmania NNP 28553 679 8 _ _ NNP 28553 679 9 , , , 28553 679 10 the the DT 28553 679 11 huge huge JJ 28553 679 12 Cunard Cunard NNP 28553 679 13 liner liner NN 28553 679 14 , , , 28553 679 15 1,115,000 1,115,000 CD 28553 679 16 vanes vane NNS 28553 679 17 are be VBP 28553 679 18 used use VBN 28553 679 19 . . . 28553 680 1 The the DT 28553 680 2 largest large JJS 28553 680 3 diameter diameter NN 28553 680 4 of of IN 28553 680 5 the the DT 28553 680 6 drums drum NNS 28553 680 7 is be VBZ 28553 680 8 11 11 CD 28553 680 9 feet foot NNS 28553 680 10 , , , 28553 680 11 and and CC 28553 680 12 each each DT 28553 680 13 low low JJ 28553 680 14 - - HYPH 28553 680 15 pressure pressure NN 28553 680 16 turbine turbine NN 28553 680 17 weighs weigh VBZ 28553 680 18 350 350 CD 28553 680 19 tons ton NNS 28553 680 20 . . . 28553 681 1 BALANCING balancing NN 28553 681 2 OF of IN 28553 681 3 THRUST THRUST NNS 28553 681 4 . . . 28553 682 1 The the DT 28553 682 2 push push NN 28553 682 3 exerted exert VBN 28553 682 4 by by IN 28553 682 5 the the DT 28553 682 6 steam steam NN 28553 682 7 on on IN 28553 682 8 the the DT 28553 682 9 blades blade NNS 28553 682 10 not not RB 28553 682 11 only only RB 28553 682 12 turns turn VBZ 28553 682 13 the the DT 28553 682 14 drum drum NN 28553 682 15 , , , 28553 682 16 but but CC 28553 682 17 presses press VBZ 28553 682 18 it -PRON- PRP 28553 682 19 in in IN 28553 682 20 the the DT 28553 682 21 direction direction NN 28553 682 22 in in IN 28553 682 23 which which WDT 28553 682 24 the the DT 28553 682 25 steam steam NN 28553 682 26 flows flow VBZ 28553 682 27 . . . 28553 683 1 This this DT 28553 683 2 end end NN 28553 683 3 thrust thrust NN 28553 683 4 is be VBZ 28553 683 5 counterbalanced counterbalance VBN 28553 683 6 by by IN 28553 683 7 means mean NNS 28553 683 8 of of IN 28553 683 9 the the DT 28553 683 10 " " `` 28553 683 11 dummy dummy JJ 28553 683 12 " " '' 28553 683 13 pistons piston NNS 28553 683 14 , , , 28553 683 15 P^1 P^1 NNP 28553 683 16 , , , 28553 683 17 P^2 P^2 NNP 28553 683 18 , , , 28553 683 19 P^3 P^3 NNP 28553 683 20 . . . 28553 684 1 Each each DT 28553 684 2 dummy dummy NN 28553 684 3 consists consist VBZ 28553 684 4 of of IN 28553 684 5 a a DT 28553 684 6 number number NN 28553 684 7 of of IN 28553 684 8 discs disc NNS 28553 684 9 revolving revolve VBG 28553 684 10 between between IN 28553 684 11 rings ring NNS 28553 684 12 projecting project VBG 28553 684 13 from from IN 28553 684 14 the the DT 28553 684 15 casing casing NN 28553 684 16 , , , 28553 684 17 the the DT 28553 684 18 distance distance NN 28553 684 19 between between IN 28553 684 20 discs disc NNS 28553 684 21 and and CC 28553 684 22 rings ring NNS 28553 684 23 being be VBG 28553 684 24 so so RB 28553 684 25 small small JJ 28553 684 26 that that IN 28553 684 27 but but CC 28553 684 28 little little JJ 28553 684 29 steam steam NN 28553 684 30 can can MD 28553 684 31 pass pass VB 28553 684 32 . . . 28553 685 1 In in IN 28553 685 2 the the DT 28553 685 3 high high JJ 28553 685 4 - - HYPH 28553 685 5 pressure pressure NN 28553 685 6 compartment compartment NN 28553 685 7 the the DT 28553 685 8 steam steam NN 28553 685 9 pushes push VBZ 28553 685 10 P^1 p^1 NN 28553 685 11 to to IN 28553 685 12 the the DT 28553 685 13 left left NN 28553 685 14 with with IN 28553 685 15 the the DT 28553 685 16 same same JJ 28553 685 17 pressure pressure NN 28553 685 18 as as IN 28553 685 19 it -PRON- PRP 28553 685 20 pushes push VBZ 28553 685 21 the the DT 28553 685 22 blades blade NNS 28553 685 23 of of IN 28553 685 24 D^1 D^1 NNP 28553 685 25 to to IN 28553 685 26 the the DT 28553 685 27 right right NN 28553 685 28 . . . 28553 686 1 After after IN 28553 686 2 completing complete VBG 28553 686 3 the the DT 28553 686 4 first first JJ 28553 686 5 stage stage NN 28553 686 6 it -PRON- PRP 28553 686 7 fills fill VBZ 28553 686 8 the the DT 28553 686 9 passage passage NN 28553 686 10 C C NNP 28553 686 11 , , , 28553 686 12 which which WDT 28553 686 13 communicates communicate VBZ 28553 686 14 with with IN 28553 686 15 the the DT 28553 686 16 second second JJ 28553 686 17 piston piston NN 28553 686 18 , , , 28553 686 19 P^2 P^2 NNP 28553 686 20 , , , 28553 686 21 and and CC 28553 686 22 the the DT 28553 686 23 pressure pressure NN 28553 686 24 on on IN 28553 686 25 that that DT 28553 686 26 piston piston NN 28553 686 27 negatives negative VBZ 28553 686 28 the the DT 28553 686 29 thrust thrust NN 28553 686 30 on on IN 28553 686 31 D^2 D^2 NNP 28553 686 32 . . . 28553 687 1 Similarly similarly RB 28553 687 2 , , , 28553 687 3 the the DT 28553 687 4 passage passage NN 28553 687 5 E e NN 28553 687 6 causes cause VBZ 28553 687 7 the the DT 28553 687 8 steam steam NN 28553 687 9 to to TO 28553 687 10 press press VB 28553 687 11 equally equally RB 28553 687 12 on on IN 28553 687 13 P^3 P^3 NNP 28553 687 14 and and CC 28553 687 15 the the DT 28553 687 16 vanes vane NNS 28553 687 17 of of IN 28553 687 18 D^3 D^3 NNP 28553 687 19 . . . 28553 688 1 So so RB 28553 688 2 that that IN 28553 688 3 the the DT 28553 688 4 bearings bearing NNS 28553 688 5 in in IN 28553 688 6 which which WDT 28553 688 7 the the DT 28553 688 8 shaft shaft NN 28553 688 9 revolves revolve NNS 28553 688 10 have have VBP 28553 688 11 but but CC 28553 688 12 little little JJ 28553 688 13 thrust thrust NN 28553 688 14 to to TO 28553 688 15 take take VB 28553 688 16 . . . 28553 689 1 This this DT 28553 689 2 form form NN 28553 689 3 of of IN 28553 689 4 compensation compensation NN 28553 689 5 is be VBZ 28553 689 6 necessary necessary JJ 28553 689 7 in in IN 28553 689 8 marine marine NN 28553 689 9 as as RB 28553 689 10 well well RB 28553 689 11 as as IN 28553 689 12 in in IN 28553 689 13 stationary stationary JJ 28553 689 14 turbines turbine NNS 28553 689 15 . . . 28553 690 1 In in IN 28553 690 2 the the DT 28553 690 3 former former JJ 28553 690 4 the the DT 28553 690 5 dummy dummy JJ 28553 690 6 pistons piston NNS 28553 690 7 are be VBP 28553 690 8 so so RB 28553 690 9 proportioned proportioned JJ 28553 690 10 that that IN 28553 690 11 the the DT 28553 690 12 forward forward RB 28553 690 13 thrust thrust NN 28553 690 14 given give VBN 28553 690 15 by by IN 28553 690 16 them -PRON- PRP 28553 690 17 and and CC 28553 690 18 the the DT 28553 690 19 screw screw NN 28553 690 20 combined combine VBN 28553 690 21 is be VBZ 28553 690 22 almost almost RB 28553 690 23 equal equal JJ 28553 690 24 to to IN 28553 690 25 the the DT 28553 690 26 thrust thrust JJ 28553 690 27 aft aft NN 28553 690 28 of of IN 28553 690 29 the the DT 28553 690 30 moving move VBG 28553 690 31 vanes vane NNS 28553 690 32 . . . 28553 691 1 [ [ -LRB- 28553 691 2 Illustration illustration NN 28553 691 3 : : : 28553 691 4 One one CD 28553 691 5 of of IN 28553 691 6 the the DT 28553 691 7 turbine turbine NN 28553 691 8 drums drum NNS 28553 691 9 of of IN 28553 691 10 the the DT 28553 691 11 _ _ NNP 28553 691 12 Carmania Carmania NNP 28553 691 13 _ _ NNP 28553 691 14 . . . 28553 692 1 Note note VB 28553 692 2 the the DT 28553 692 3 rows row NNS 28553 692 4 of of IN 28553 692 5 vanes vane NNS 28553 692 6 . . . 28553 693 1 The the DT 28553 693 2 drum drum NN 28553 693 3 is be VBZ 28553 693 4 here here RB 28553 693 5 being be VBG 28553 693 6 tested test VBN 28553 693 7 for for IN 28553 693 8 perfect perfect JJ 28553 693 9 balance balance NN 28553 693 10 on on IN 28553 693 11 two two CD 28553 693 12 absolutely absolutely RB 28553 693 13 level level NN 28553 693 14 supports support NNS 28553 693 15 . . . 28553 693 16 ] ] -RRB- 28553 694 1 ADVANTAGES ADVANTAGES NNP 28553 694 2 OF of IN 28553 694 3 THE the DT 28553 694 4 MARINE MARINE NNP 28553 694 5 TURBINE TURBINE NNP 28553 694 6 . . . 28553 695 1 ( ( -LRB- 28553 695 2 1 1 CD 28553 695 3 . . . 28553 695 4 ) ) -RRB- 28553 696 1 Absence absence NN 28553 696 2 of of IN 28553 696 3 vibration vibration NN 28553 696 4 . . . 28553 697 1 Reciprocating reciprocate VBG 28553 697 2 engines engine NNS 28553 697 3 , , , 28553 697 4 however however RB 28553 697 5 well well RB 28553 697 6 balanced balanced JJ 28553 697 7 , , , 28553 697 8 cause cause VB 28553 697 9 a a DT 28553 697 10 shaking shaking NN 28553 697 11 of of IN 28553 697 12 the the DT 28553 697 13 whole whole JJ 28553 697 14 ship ship NN 28553 697 15 which which WDT 28553 697 16 is be VBZ 28553 697 17 very very RB 28553 697 18 unpleasant unpleasant JJ 28553 697 19 to to IN 28553 697 20 passengers passenger NNS 28553 697 21 . . . 28553 698 1 The the DT 28553 698 2 turbine turbine NN 28553 698 3 , , , 28553 698 4 on on IN 28553 698 5 the the DT 28553 698 6 other other JJ 28553 698 7 hand hand NN 28553 698 8 , , , 28553 698 9 being be VBG 28553 698 10 almost almost RB 28553 698 11 perfectly perfectly RB 28553 698 12 balanced balanced JJ 28553 698 13 , , , 28553 698 14 runs run VBZ 28553 698 15 so so RB 28553 698 16 smoothly smoothly RB 28553 698 17 at at IN 28553 698 18 the the DT 28553 698 19 highest high JJS 28553 698 20 speeds speed NNS 28553 698 21 that that WDT 28553 698 22 , , , 28553 698 23 if if IN 28553 698 24 the the DT 28553 698 25 hand hand NN 28553 698 26 be be VB 28553 698 27 laid lay VBN 28553 698 28 on on IN 28553 698 29 the the DT 28553 698 30 covering covering NN 28553 698 31 , , , 28553 698 32 it -PRON- PRP 28553 698 33 is be VBZ 28553 698 34 sometimes sometimes RB 28553 698 35 almost almost RB 28553 698 36 impossible impossible JJ 28553 698 37 to to TO 28553 698 38 tell tell VB 28553 698 39 whether whether IN 28553 698 40 the the DT 28553 698 41 machinery machinery NN 28553 698 42 is be VBZ 28553 698 43 in in IN 28553 698 44 motion motion NN 28553 698 45 . . . 28553 699 1 As as IN 28553 699 2 a a DT 28553 699 3 consequence consequence NN 28553 699 4 of of IN 28553 699 5 this this DT 28553 699 6 smooth smooth JJ 28553 699 7 running running NN 28553 699 8 there there EX 28553 699 9 is be VBZ 28553 699 10 little little JJ 28553 699 11 noise noise NN 28553 699 12 in in IN 28553 699 13 the the DT 28553 699 14 engine engine NN 28553 699 15 - - HYPH 28553 699 16 room room NN 28553 699 17 -- -- : 28553 699 18 a a DT 28553 699 19 pleasant pleasant JJ 28553 699 20 contrast contrast NN 28553 699 21 to to IN 28553 699 22 the the DT 28553 699 23 deafening deafen VBG 28553 699 24 roar roar NN 28553 699 25 of of IN 28553 699 26 reciprocating reciprocate VBG 28553 699 27 engines engine NNS 28553 699 28 . . . 28553 700 1 ( ( -LRB- 28553 700 2 2 2 CD 28553 700 3 . . . 28553 700 4 ) ) -RRB- 28553 701 1 Turbines turbine NNS 28553 701 2 occupy occupy VBP 28553 701 3 less less JJR 28553 701 4 room room NN 28553 701 5 . . . 28553 702 1 ( ( -LRB- 28553 702 2 3 3 CD 28553 702 3 . . . 28553 702 4 ) ) -RRB- 28553 703 1 They -PRON- PRP 28553 703 2 are be VBP 28553 703 3 more more RBR 28553 703 4 easily easily RB 28553 703 5 tended tend VBN 28553 703 6 . . . 28553 704 1 ( ( -LRB- 28553 704 2 4 4 CD 28553 704 3 . . . 28553 704 4 ) ) -RRB- 28553 705 1 They -PRON- PRP 28553 705 2 require require VBP 28553 705 3 fewer few JJR 28553 705 4 repairs repair NNS 28553 705 5 , , , 28553 705 6 since since IN 28553 705 7 the the DT 28553 705 8 rubbing rubbing NN 28553 705 9 surfaces surface NNS 28553 705 10 are be VBP 28553 705 11 very very RB 28553 705 12 small small JJ 28553 705 13 as as IN 28553 705 14 compared compare VBN 28553 705 15 to to IN 28553 705 16 those those DT 28553 705 17 of of IN 28553 705 18 reciprocating reciprocate VBG 28553 705 19 engines engine NNS 28553 705 20 . . . 28553 706 1 ( ( -LRB- 28553 706 2 5 5 CD 28553 706 3 . . . 28553 706 4 ) ) -RRB- 28553 707 1 They -PRON- PRP 28553 707 2 are be VBP 28553 707 3 more more RBR 28553 707 4 economical economical JJ 28553 707 5 at at IN 28553 707 6 high high JJ 28553 707 7 speeds speed NNS 28553 707 8 . . . 28553 708 1 It -PRON- PRP 28553 708 2 must must MD 28553 708 3 be be VB 28553 708 4 remembered remember VBN 28553 708 5 that that IN 28553 708 6 a a DT 28553 708 7 turbine turbine NN 28553 708 8 is be VBZ 28553 708 9 essentially essentially RB 28553 708 10 meant mean VBN 28553 708 11 for for IN 28553 708 12 high high JJ 28553 708 13 speeds speed NNS 28553 708 14 . . . 28553 709 1 If if IN 28553 709 2 run run VB 28553 709 3 slowly slowly RB 28553 709 4 , , , 28553 709 5 the the DT 28553 709 6 steam steam NN 28553 709 7 will will MD 28553 709 8 escape escape VB 28553 709 9 through through IN 28553 709 10 the the DT 28553 709 11 many many JJ 28553 709 12 passages passage NNS 28553 709 13 without without IN 28553 709 14 doing do VBG 28553 709 15 much much JJ 28553 709 16 work work NN 28553 709 17 . . . 28553 710 1 Owing owe VBG 28553 710 2 to to IN 28553 710 3 its -PRON- PRP$ 28553 710 4 construction construction NN 28553 710 5 , , , 28553 710 6 a a DT 28553 710 7 turbine turbine NN 28553 710 8 can can MD 28553 710 9 not not RB 28553 710 10 be be VB 28553 710 11 reversed reverse VBN 28553 710 12 like like IN 28553 710 13 a a DT 28553 710 14 cylinder cylinder NN 28553 710 15 engine engine NN 28553 710 16 . . . 28553 711 1 It -PRON- PRP 28553 711 2 therefore therefore RB 28553 711 3 becomes become VBZ 28553 711 4 necessary necessary JJ 28553 711 5 to to TO 28553 711 6 fit fit VB 28553 711 7 special special JJ 28553 711 8 astern astern NN 28553 711 9 turbines turbine NNS 28553 711 10 to to IN 28553 711 11 one one CD 28553 711 12 or or CC 28553 711 13 more more JJR 28553 711 14 of of IN 28553 711 15 the the DT 28553 711 16 screw screw NN 28553 711 17 shafts shaft NNS 28553 711 18 , , , 28553 711 19 for for IN 28553 711 20 use use NN 28553 711 21 when when WRB 28553 711 22 the the DT 28553 711 23 ship ship NN 28553 711 24 has have VBZ 28553 711 25 to to TO 28553 711 26 be be VB 28553 711 27 stopped stop VBN 28553 711 28 or or CC 28553 711 29 moved move VBN 28553 711 30 astern astern NN 28553 711 31 . . . 28553 712 1 Under under IN 28553 712 2 ordinary ordinary JJ 28553 712 3 conditions condition NNS 28553 712 4 these these DT 28553 712 5 turbines turbine NNS 28553 712 6 revolve revolve VBP 28553 712 7 idly idly RB 28553 712 8 in in IN 28553 712 9 their -PRON- PRP$ 28553 712 10 cases case NNS 28553 712 11 . . . 28553 713 1 The the DT 28553 713 2 highest high JJS 28553 713 3 speed speed NN 28553 713 4 ever ever RB 28553 713 5 attained attain VBN 28553 713 6 on on IN 28553 713 7 the the DT 28553 713 8 sea sea NN 28553 713 9 was be VBD 28553 713 10 the the DT 28553 713 11 forty forty CD 28553 713 12 - - HYPH 28553 713 13 two two CD 28553 713 14 miles mile NNS 28553 713 15 per per IN 28553 713 16 hour hour NN 28553 713 17 of of IN 28553 713 18 the the DT 28553 713 19 unfortunate unfortunate JJ 28553 713 20 _ _ NNP 28553 713 21 Viper Viper NNP 28553 713 22 _ _ NNP 28553 713 23 , , , 28553 713 24 a a DT 28553 713 25 turbine turbine NN 28553 713 26 destroyer destroyer NN 28553 713 27 which which WDT 28553 713 28 developed develop VBD 28553 713 29 11,500 11,500 CD 28553 713 30 horse horse NN 28553 713 31 power power NN 28553 713 32 , , , 28553 713 33 though though IN 28553 713 34 displacing displace VBG 28553 713 35 only only RB 28553 713 36 370 370 CD 28553 713 37 tons ton NNS 28553 713 38 . . . 28553 714 1 This this DT 28553 714 2 velocity velocity NN 28553 714 3 would would MD 28553 714 4 compare compare VB 28553 714 5 favourably favourably RB 28553 714 6 with with IN 28553 714 7 that that DT 28553 714 8 of of IN 28553 714 9 a a DT 28553 714 10 good good JJ 28553 714 11 many many JJ 28553 714 12 expresses express NNS 28553 714 13 on on IN 28553 714 14 certain certain JJ 28553 714 15 railways railway NNS 28553 714 16 that that IN 28553 714 17 we -PRON- PRP 28553 714 18 could could MD 28553 714 19 name name VB 28553 714 20 . . . 28553 715 1 In in IN 28553 715 2 the the DT 28553 715 3 future future JJ 28553 715 4 thirty thirty CD 28553 715 5 miles mile NNS 28553 715 6 an an DT 28553 715 7 hour hour NN 28553 715 8 will will MD 28553 715 9 certainly certainly RB 28553 715 10 be be VB 28553 715 11 attained attain VBN 28553 715 12 by by IN 28553 715 13 turbine turbine NN 28553 715 14 - - HYPH 28553 715 15 driven drive VBN 28553 715 16 liners liner NNS 28553 715 17 . . . 28553 716 1 [ [ -LRB- 28553 716 2 7 7 CD 28553 716 3 ] ] -RRB- 28553 716 4 Even even RB 28553 716 5 at at IN 28553 716 6 this this DT 28553 716 7 speed speed NN 28553 716 8 the the DT 28553 716 9 wheel wheel NN 28553 716 10 has have VBZ 28553 716 11 a a DT 28553 716 12 circumferential circumferential JJ 28553 716 13 velocity velocity NN 28553 716 14 of of IN 28553 716 15 two two CD 28553 716 16 - - HYPH 28553 716 17 thirds third NNS 28553 716 18 that that DT 28553 716 19 of of IN 28553 716 20 a a DT 28553 716 21 bullet bullet NN 28553 716 22 shot shoot VBD 28553 716 23 from from IN 28553 716 24 a a DT 28553 716 25 Lee Lee NNP 28553 716 26 - - HYPH 28553 716 27 Metford Metford NNP 28553 716 28 rifle rifle NN 28553 716 29 . . . 28553 717 1 A a DT 28553 717 2 vane vane NN 28553 717 3 weighing weigh VBG 28553 717 4 only only RB 28553 717 5 250 250 CD 28553 717 6 grains grain NNS 28553 717 7 ( ( -LRB- 28553 717 8 about about RB 28553 717 9 1/2 1/2 CD 28553 717 10 oz oz UH 28553 717 11 . . . 28553 717 12 ) ) -RRB- 28553 718 1 exerts exert NNS 28553 718 2 under under IN 28553 718 3 these these DT 28553 718 4 conditions condition NNS 28553 718 5 a a DT 28553 718 6 centrifugal centrifugal JJ 28553 718 7 pull pull NN 28553 718 8 of of IN 28553 718 9 15 15 CD 28553 718 10 cwt cwt NN 28553 718 11 . . . 28553 719 1 on on IN 28553 719 2 the the DT 28553 719 3 wheel wheel NN 28553 719 4 ! ! . 28553 720 1 Chapter Chapter NNP 28553 720 2 IV IV NNP 28553 720 3 . . . 28553 721 1 THE the DT 28553 721 2 INTERNAL INTERNAL NNP 28553 721 3 - - HYPH 28553 721 4 COMBUSTION COMBUSTION NNP 28553 721 5 ENGINE ENGINE NNP 28553 721 6 . . . 28553 722 1 The the DT 28553 722 2 meaning meaning NN 28553 722 3 of of IN 28553 722 4 the the DT 28553 722 5 term term NN 28553 722 6 -- -- : 28553 722 7 Action action NN 28553 722 8 of of IN 28553 722 9 the the DT 28553 722 10 internal internal JJ 28553 722 11 - - HYPH 28553 722 12 combustion combustion NN 28553 722 13 engine engine NN 28553 722 14 -- -- : 28553 722 15 The the DT 28553 722 16 motor motor NN 28553 722 17 car car NN 28553 722 18 -- -- : 28553 722 19 The the DT 28553 722 20 starting starting NN 28553 722 21 - - HYPH 28553 722 22 handle handle NN 28553 722 23 -- -- : 28553 722 24 The the DT 28553 722 25 engine engine NN 28553 722 26 -- -- : 28553 722 27 The the DT 28553 722 28 carburetter carburetter NN 28553 722 29 -- -- : 28553 722 30 Ignition ignition NN 28553 722 31 of of IN 28553 722 32 the the DT 28553 722 33 charge charge NN 28553 722 34 -- -- : 28553 722 35 Advancing advance VBG 28553 722 36 the the DT 28553 722 37 spark spark NN 28553 722 38 -- -- : 28553 722 39 Governing govern VBG 28553 722 40 the the DT 28553 722 41 engine engine NN 28553 722 42 -- -- : 28553 722 43 The the DT 28553 722 44 clutch clutch NN 28553 722 45 -- -- : 28553 722 46 The the DT 28553 722 47 gear gear NN 28553 722 48 - - HYPH 28553 722 49 box box NN 28553 722 50 -- -- : 28553 722 51 The the DT 28553 722 52 compensating compensating NN 28553 722 53 gear gear NN 28553 722 54 -- -- : 28553 722 55 The the DT 28553 722 56 silencer silencer NN 28553 722 57 -- -- : 28553 722 58 The the DT 28553 722 59 brakes brake NNS 28553 722 60 -- -- : 28553 722 61 Speed speed NN 28553 722 62 of of IN 28553 722 63 cars car NNS 28553 722 64 . . . 28553 723 1 THE the DT 28553 723 2 MEANING MEANING NNP 28553 723 3 OF of IN 28553 723 4 THE the DT 28553 723 5 TERM term NN 28553 723 6 " " `` 28553 723 7 INTERNAL INTERNAL NNP 28553 723 8 - - HYPH 28553 723 9 COMBUSTION COMBUSTION NNP 28553 723 10 ENGINE ENGINE NNP 28553 723 11 . . . 28553 723 12 " " '' 28553 724 1 In in IN 28553 724 2 the the DT 28553 724 3 case case NN 28553 724 4 of of IN 28553 724 5 a a DT 28553 724 6 steam steam NN 28553 724 7 - - HYPH 28553 724 8 boiler boiler NN 28553 724 9 the the DT 28553 724 10 energy energy NN 28553 724 11 of of IN 28553 724 12 combustion combustion NN 28553 724 13 is be VBZ 28553 724 14 transmitted transmit VBN 28553 724 15 to to TO 28553 724 16 water water VB 28553 724 17 inside inside IN 28553 724 18 an an DT 28553 724 19 air air NN 28553 724 20 - - HYPH 28553 724 21 tight tight JJ 28553 724 22 vessel vessel NN 28553 724 23 . . . 28553 725 1 The the DT 28553 725 2 fuel fuel NN 28553 725 3 does do VBZ 28553 725 4 not not RB 28553 725 5 actually actually RB 28553 725 6 touch touch VB 28553 725 7 the the DT 28553 725 8 " " `` 28553 725 9 working work VBG 28553 725 10 fluid fluid NN 28553 725 11 . . . 28553 725 12 " " '' 28553 726 1 In in IN 28553 726 2 the the DT 28553 726 3 gas gas NN 28553 726 4 or or CC 28553 726 5 oil oil NN 28553 726 6 engine engine NN 28553 726 7 the the DT 28553 726 8 fuel fuel NN 28553 726 9 is be VBZ 28553 726 10 brought bring VBN 28553 726 11 into into IN 28553 726 12 contact contact NN 28553 726 13 and and CC 28553 726 14 mixed mix VBN 28553 726 15 with with IN 28553 726 16 the the DT 28553 726 17 working work VBG 28553 726 18 fluid fluid NN 28553 726 19 , , , 28553 726 20 which which WDT 28553 726 21 is be VBZ 28553 726 22 air air NN 28553 726 23 . . . 28553 727 1 It -PRON- PRP 28553 727 2 combines combine VBZ 28553 727 3 suddenly suddenly RB 28553 727 4 with with IN 28553 727 5 it -PRON- PRP 28553 727 6 in in IN 28553 727 7 the the DT 28553 727 8 cylinder cylinder NN 28553 727 9 , , , 28553 727 10 and and CC 28553 727 11 heat heat NN 28553 727 12 energy energy NN 28553 727 13 is be VBZ 28553 727 14 developed develop VBN 28553 727 15 so so RB 28553 727 16 rapidly rapidly RB 28553 727 17 that that IN 28553 727 18 the the DT 28553 727 19 act act NN 28553 727 20 is be VBZ 28553 727 21 called call VBN 28553 727 22 an an DT 28553 727 23 explosion explosion NN 28553 727 24 . . . 28553 728 1 Coal coal NN 28553 728 2 gas gas NN 28553 728 3 , , , 28553 728 4 mineral mineral NN 28553 728 5 oils oil NNS 28553 728 6 , , , 28553 728 7 alcohol alcohol NN 28553 728 8 , , , 28553 728 9 petrol petrol NN 28553 728 10 , , , 28553 728 11 etc etc FW 28553 728 12 . . FW 28553 728 13 , , , 28553 728 14 all all DT 28553 728 15 contain contain VBP 28553 728 16 hydrogen hydrogen NN 28553 728 17 and and CC 28553 728 18 carbon carbon NN 28553 728 19 . . . 28553 729 1 If if IN 28553 729 2 air air NN 28553 729 3 , , , 28553 729 4 which which WDT 28553 729 5 contributes contribute VBZ 28553 729 6 oxygen oxygen NN 28553 729 7 , , , 28553 729 8 be be VB 28553 729 9 added add VBN 28553 729 10 to to IN 28553 729 11 any any DT 28553 729 12 of of IN 28553 729 13 these these DT 28553 729 14 in in IN 28553 729 15 due due JJ 28553 729 16 proportion proportion NN 28553 729 17 , , , 28553 729 18 the the DT 28553 729 19 mixture mixture NN 28553 729 20 becomes become VBZ 28553 729 21 highly highly RB 28553 729 22 explosive explosive JJ 28553 729 23 . . . 28553 730 1 On on IN 28553 730 2 a a DT 28553 730 3 light light NN 28553 730 4 being be VBG 28553 730 5 applied apply VBN 28553 730 6 , , , 28553 730 7 oxygen oxygen NN 28553 730 8 and and CC 28553 730 9 carbon carbon NN 28553 730 10 unite unite NN 28553 730 11 , , , 28553 730 12 also also RB 28553 730 13 hydrogen hydrogen NN 28553 730 14 and and CC 28553 730 15 oxygen oxygen NN 28553 730 16 , , , 28553 730 17 and and CC 28553 730 18 violent violent JJ 28553 730 19 heat heat NN 28553 730 20 is be VBZ 28553 730 21 generated generate VBN 28553 730 22 , , , 28553 730 23 causing cause VBG 28553 730 24 a a DT 28553 730 25 violent violent JJ 28553 730 26 molecular molecular JJ 28553 730 27 bombardment bombardment NN 28553 730 28 of of IN 28553 730 29 the the DT 28553 730 30 sides side NNS 28553 730 31 of of IN 28553 730 32 the the DT 28553 730 33 vessel vessel NN 28553 730 34 containing contain VBG 28553 730 35 the the DT 28553 730 36 mixture mixture NN 28553 730 37 . . . 28553 731 1 Now now RB 28553 731 2 , , , 28553 731 3 if if IN 28553 731 4 the the DT 28553 731 5 mixture mixture NN 28553 731 6 be be VB 28553 731 7 _ _ NNP 28553 731 8 compressed compress VBN 28553 731 9 _ _ NNP 28553 731 10 it -PRON- PRP 28553 731 11 becomes become VBZ 28553 731 12 hotter hot JJR 28553 731 13 and and CC 28553 731 14 hotter hot JJR 28553 731 15 , , , 28553 731 16 until until IN 28553 731 17 a a DT 28553 731 18 point point NN 28553 731 19 is be VBZ 28553 731 20 reached reach VBN 28553 731 21 at at IN 28553 731 22 which which WDT 28553 731 23 it -PRON- PRP 28553 731 24 ignites ignite VBZ 28553 731 25 spontaneously spontaneously RB 28553 731 26 . . . 28553 732 1 Early early JJ 28553 732 2 gas gas NN 28553 732 3 - - HYPH 28553 732 4 engines engine NNS 28553 732 5 did do VBD 28553 732 6 not not RB 28553 732 7 compress compress VB 28553 732 8 the the DT 28553 732 9 charge charge NN 28553 732 10 before before IN 28553 732 11 ignition ignition NN 28553 732 12 . . . 28553 733 1 Alphonse Alphonse NNP 28553 733 2 Beau Beau NNP 28553 733 3 de de NNP 28553 733 4 Rochas Rochas NNP 28553 733 5 , , , 28553 733 6 a a DT 28553 733 7 Frenchman Frenchman NNP 28553 733 8 , , , 28553 733 9 first first RB 28553 733 10 thought thought NN 28553 733 11 of of IN 28553 733 12 making make VBG 28553 733 13 the the DT 28553 733 14 piston piston NN 28553 733 15 of of IN 28553 733 16 the the DT 28553 733 17 engine engine NN 28553 733 18 squeeze squeeze VBP 28553 733 19 the the DT 28553 733 20 mixture mixture NN 28553 733 21 before before IN 28553 733 22 ignition ignition NN 28553 733 23 ; ; : 28553 733 24 and and CC 28553 733 25 from from IN 28553 733 26 the the DT 28553 733 27 year year NN 28553 733 28 1862 1862 CD 28553 733 29 , , , 28553 733 30 when when WRB 28553 733 31 he -PRON- PRP 28553 733 32 proposed propose VBD 28553 733 33 this this DT 28553 733 34 innovation innovation NN 28553 733 35 , , , 28553 733 36 the the DT 28553 733 37 success success NN 28553 733 38 of of IN 28553 733 39 the the DT 28553 733 40 internal internal JJ 28553 733 41 - - HYPH 28553 733 42 combustion combustion NN 28553 733 43 engine engine NN 28553 733 44 may may MD 28553 733 45 be be VB 28553 733 46 said say VBN 28553 733 47 to to IN 28553 733 48 date date NN 28553 733 49 . . . 28553 734 1 [ [ -LRB- 28553 734 2 Illustration illustration NN 28553 734 3 ] ] -RRB- 28553 734 4 [ [ -LRB- 28553 734 5 Illustration illustration NN 28553 734 6 : : : 28553 734 7 FIG FIG NNP 28553 734 8 . . . 28553 735 1 39.--Showing 39.--showe VBG 28553 735 2 the the DT 28553 735 3 four four CD 28553 735 4 strokes stroke NNS 28553 735 5 that that WDT 28553 735 6 the the DT 28553 735 7 piston piston NN 28553 735 8 of of IN 28553 735 9 a a DT 28553 735 10 gas gas NN 28553 735 11 - - HYPH 28553 735 12 engine engine NN 28553 735 13 makes make VBZ 28553 735 14 during during IN 28553 735 15 one one CD 28553 735 16 " " `` 28553 735 17 cycle cycle NN 28553 735 18 . . . 28553 735 19 " " '' 28553 735 20 ] ] -RRB- 28553 736 1 ACTION action NN 28553 736 2 OF of IN 28553 736 3 THE the DT 28553 736 4 ENGINE engine NN 28553 736 5 . . . 28553 737 1 The the DT 28553 737 2 gas gas NN 28553 737 3 - - HYPH 28553 737 4 engine engine NN 28553 737 5 , , , 28553 737 6 the the DT 28553 737 7 oil oil NN 28553 737 8 - - HYPH 28553 737 9 engine engine NN 28553 737 10 , , , 28553 737 11 and and CC 28553 737 12 the the DT 28553 737 13 motor motor NN 28553 737 14 - - HYPH 28553 737 15 car car NN 28553 737 16 engine engine NN 28553 737 17 are be VBP 28553 737 18 similar similar JJ 28553 737 19 in in IN 28553 737 20 general general JJ 28553 737 21 principles principle NNS 28553 737 22 . . . 28553 738 1 The the DT 28553 738 2 cylinder cylinder NN 28553 738 3 has have VBZ 28553 738 4 , , , 28553 738 5 instead instead RB 28553 738 6 of of IN 28553 738 7 a a DT 28553 738 8 slide slide NN 28553 738 9 - - HYPH 28553 738 10 valve valve NN 28553 738 11 , , , 28553 738 12 two two CD 28553 738 13 , , , 28553 738 14 or or CC 28553 738 15 sometimes sometimes RB 28553 738 16 three three CD 28553 738 17 , , , 28553 738 18 " " `` 28553 738 19 mushroom mushroom NN 28553 738 20 " " '' 28553 738 21 valves valve NNS 28553 738 22 , , , 28553 738 23 which which WDT 28553 738 24 may may MD 28553 738 25 be be VB 28553 738 26 described describe VBN 28553 738 27 as as IN 28553 738 28 small small JJ 28553 738 29 and and CC 28553 738 30 thick thick JJ 28553 738 31 round round JJ 28553 738 32 plates plate NNS 28553 738 33 , , , 28553 738 34 with with IN 28553 738 35 bevelled bevelled JJ 28553 738 36 edges edge NNS 28553 738 37 , , , 28553 738 38 mounted mount VBN 28553 738 39 on on IN 28553 738 40 the the DT 28553 738 41 ends end NNS 28553 738 42 of of IN 28553 738 43 short short JJ 28553 738 44 rods rod NNS 28553 738 45 , , , 28553 738 46 called call VBN 28553 738 47 stems stem NNS 28553 738 48 . . . 28553 739 1 These these DT 28553 739 2 valves valve NNS 28553 739 3 open open JJ 28553 739 4 into into IN 28553 739 5 the the DT 28553 739 6 cylinder cylinder NN 28553 739 7 , , , 28553 739 8 upwards upward NNS 28553 739 9 , , , 28553 739 10 downwards downwards RB 28553 739 11 , , , 28553 739 12 or or CC 28553 739 13 horizontally horizontally RB 28553 739 14 , , , 28553 739 15 as as IN 28553 739 16 the the DT 28553 739 17 case case NN 28553 739 18 may may MD 28553 739 19 be be VB 28553 739 20 ; ; : 28553 739 21 being be VBG 28553 739 22 pushed push VBN 28553 739 23 in in RP 28553 739 24 by by IN 28553 739 25 cams cam NNS 28553 739 26 projecting project VBG 28553 739 27 from from IN 28553 739 28 a a DT 28553 739 29 shaft shaft NN 28553 739 30 rotated rotate VBN 28553 739 31 by by IN 28553 739 32 the the DT 28553 739 33 engine engine NN 28553 739 34 . . . 28553 740 1 For for IN 28553 740 2 the the DT 28553 740 3 present present NN 28553 740 4 we -PRON- PRP 28553 740 5 will will MD 28553 740 6 confine confine VB 28553 740 7 our -PRON- PRP$ 28553 740 8 attention attention NN 28553 740 9 to to IN 28553 740 10 the the DT 28553 740 11 series series NN 28553 740 12 of of IN 28553 740 13 operations operation NNS 28553 740 14 which which WDT 28553 740 15 causes cause VBZ 28553 740 16 the the DT 28553 740 17 engine engine NN 28553 740 18 to to TO 28553 740 19 work work VB 28553 740 20 . . . 28553 741 1 This this DT 28553 741 2 series series NN 28553 741 3 is be VBZ 28553 741 4 called call VBN 28553 741 5 the the DT 28553 741 6 Beau Beau NNP 28553 741 7 de de NNP 28553 741 8 Rochas Rochas NNP 28553 741 9 , , , 28553 741 10 or or CC 28553 741 11 Otto Otto NNP 28553 741 12 , , , 28553 741 13 cycle cycle NN 28553 741 14 , , , 28553 741 15 and and CC 28553 741 16 includes include VBZ 28553 741 17 four four CD 28553 741 18 movements movement NNS 28553 741 19 of of IN 28553 741 20 the the DT 28553 741 21 piston piston NN 28553 741 22 . . . 28553 742 1 Reference reference NN 28553 742 2 to to IN 28553 742 3 Fig Fig NNP 28553 742 4 . . . 28553 743 1 39 39 CD 28553 743 2 will will MD 28553 743 3 show show VB 28553 743 4 exactly exactly RB 28553 743 5 what what WP 28553 743 6 happens happen VBZ 28553 743 7 in in IN 28553 743 8 a a DT 28553 743 9 gas gas NN 28553 743 10 - - HYPH 28553 743 11 engine--(1 engine--(1 NN 28553 743 12 ) ) -RRB- 28553 743 13 The the DT 28553 743 14 piston piston NN 28553 743 15 moves move VBZ 28553 743 16 from from IN 28553 743 17 left leave VBN 28553 743 18 to to IN 28553 743 19 right right NN 28553 743 20 , , , 28553 743 21 and and CC 28553 743 22 just just RB 28553 743 23 as as IN 28553 743 24 the the DT 28553 743 25 movement movement NN 28553 743 26 commences commence VBZ 28553 743 27 valves valve VBZ 28553 743 28 G g NN 28553 743 29 ( ( -LRB- 28553 743 30 gas gas NN 28553 743 31 ) ) -RRB- 28553 743 32 and and CC 28553 743 33 A a DT 28553 743 34 ( ( -LRB- 28553 743 35 air air NN 28553 743 36 ) ) -RRB- 28553 743 37 open open JJ 28553 743 38 to to TO 28553 743 39 admit admit VB 28553 743 40 the the DT 28553 743 41 explosive explosive JJ 28553 743 42 mixture mixture NN 28553 743 43 . . . 28553 744 1 By by IN 28553 744 2 the the DT 28553 744 3 time time NN 28553 744 4 that that WDT 28553 744 5 P p PRP 28553 744 6 has have VBZ 28553 744 7 reached reach VBN 28553 744 8 the the DT 28553 744 9 end end NN 28553 744 10 of of IN 28553 744 11 its -PRON- PRP$ 28553 744 12 travel travel NN 28553 744 13 these these DT 28553 744 14 valves valve NNS 28553 744 15 have have VBP 28553 744 16 closed close VBN 28553 744 17 again again RB 28553 744 18 . . . 28553 745 1 ( ( -LRB- 28553 745 2 2 2 LS 28553 745 3 ) ) -RRB- 28553 745 4 The the DT 28553 745 5 piston piston NN 28553 745 6 returns return VBZ 28553 745 7 to to IN 28553 745 8 the the DT 28553 745 9 left left NN 28553 745 10 , , , 28553 745 11 compressing compress VBG 28553 745 12 the the DT 28553 745 13 mixture mixture NN 28553 745 14 , , , 28553 745 15 which which WDT 28553 745 16 has have VBZ 28553 745 17 no no DT 28553 745 18 way way NN 28553 745 19 of of IN 28553 745 20 escape escape NN 28553 745 21 open open JJ 28553 745 22 to to IN 28553 745 23 it -PRON- PRP 28553 745 24 . . . 28553 746 1 At at IN 28553 746 2 the the DT 28553 746 3 end end NN 28553 746 4 of of IN 28553 746 5 the the DT 28553 746 6 stroke stroke NN 28553 746 7 the the DT 28553 746 8 charge charge NN 28553 746 9 is be VBZ 28553 746 10 ignited ignite VBN 28553 746 11 by by IN 28553 746 12 an an DT 28553 746 13 incandescent incandescent NN 28553 746 14 tube tube NN 28553 746 15 I -PRON- PRP 28553 746 16 ( ( -LRB- 28553 746 17 in in IN 28553 746 18 motor motor NN 28553 746 19 car car NN 28553 746 20 and and CC 28553 746 21 some some DT 28553 746 22 stationary stationary JJ 28553 746 23 engines engine NNS 28553 746 24 by by IN 28553 746 25 an an DT 28553 746 26 electric electric JJ 28553 746 27 spark spark NN 28553 746 28 ) ) -RRB- 28553 746 29 , , , 28553 746 30 and and CC 28553 746 31 ( ( -LRB- 28553 746 32 3 3 LS 28553 746 33 ) ) -RRB- 28553 746 34 the the DT 28553 746 35 piston piston NN 28553 746 36 flies fly VBZ 28553 746 37 out out RP 28553 746 38 again again RB 28553 746 39 on on IN 28553 746 40 the the DT 28553 746 41 " " `` 28553 746 42 explosion explosion NN 28553 746 43 " " '' 28553 746 44 stroke stroke NN 28553 746 45 . . . 28553 747 1 Before before IN 28553 747 2 it -PRON- PRP 28553 747 3 reaches reach VBZ 28553 747 4 the the DT 28553 747 5 limit limit NN 28553 747 6 position position NN 28553 747 7 , , , 28553 747 8 valve valve VBP 28553 747 9 E e NN 28553 747 10 ( ( -LRB- 28553 747 11 exhaust exhaust NN 28553 747 12 ) ) -RRB- 28553 747 13 opens open NNS 28553 747 14 , , , 28553 747 15 and and CC 28553 747 16 ( ( -LRB- 28553 747 17 4 4 LS 28553 747 18 ) ) -RRB- 28553 747 19 the the DT 28553 747 20 piston piston NN 28553 747 21 flies fly VBZ 28553 747 22 back back RB 28553 747 23 under under IN 28553 747 24 the the DT 28553 747 25 momentum momentum NN 28553 747 26 of of IN 28553 747 27 the the DT 28553 747 28 fly fly NN 28553 747 29 - - HYPH 28553 747 30 wheel wheel NN 28553 747 31 , , , 28553 747 32 driving drive VBG 28553 747 33 out out RP 28553 747 34 the the DT 28553 747 35 burnt burn VBN 28553 747 36 gases gas NNS 28553 747 37 through through IN 28553 747 38 the the DT 28553 747 39 still still RB 28553 747 40 open open JJ 28553 747 41 E. E. NNP 28553 747 42 The the DT 28553 747 43 " " `` 28553 747 44 cycle cycle NN 28553 747 45 " " '' 28553 747 46 is be VBZ 28553 747 47 now now RB 28553 747 48 complete complete JJ 28553 747 49 . . . 28553 748 1 There there EX 28553 748 2 has have VBZ 28553 748 3 been be VBN 28553 748 4 suction suction NN 28553 748 5 , , , 28553 748 6 compression compression NN 28553 748 7 ( ( -LRB- 28553 748 8 including include VBG 28553 748 9 ignition ignition NN 28553 748 10 ) ) -RRB- 28553 748 11 , , , 28553 748 12 combustion combustion NN 28553 748 13 , , , 28553 748 14 and and CC 28553 748 15 exhaustion exhaustion NN 28553 748 16 . . . 28553 749 1 It -PRON- PRP 28553 749 2 is be VBZ 28553 749 3 evident evident JJ 28553 749 4 that that IN 28553 749 5 a a DT 28553 749 6 heavy heavy JJ 28553 749 7 fly fly NN 28553 749 8 - - HYPH 28553 749 9 wheel wheel NN 28553 749 10 must must MD 28553 749 11 be be VB 28553 749 12 attached attach VBN 28553 749 13 to to IN 28553 749 14 the the DT 28553 749 15 crank crank NN 28553 749 16 shaft shaft NN 28553 749 17 , , , 28553 749 18 because because IN 28553 749 19 the the DT 28553 749 20 energy energy NN 28553 749 21 of of IN 28553 749 22 one one CD 28553 749 23 stroke stroke NN 28553 749 24 ( ( -LRB- 28553 749 25 the the DT 28553 749 26 explosion explosion NN 28553 749 27 ) ) -RRB- 28553 749 28 has have VBZ 28553 749 29 to to TO 28553 749 30 serve serve VB 28553 749 31 for for IN 28553 749 32 the the DT 28553 749 33 whole whole JJ 28553 749 34 cycle cycle NN 28553 749 35 ; ; : 28553 749 36 in in IN 28553 749 37 other other JJ 28553 749 38 words word NNS 28553 749 39 , , , 28553 749 40 for for IN 28553 749 41 two two CD 28553 749 42 complete complete JJ 28553 749 43 revolutions revolution NNS 28553 749 44 of of IN 28553 749 45 the the DT 28553 749 46 crank crank NN 28553 749 47 . . . 28553 750 1 A a DT 28553 750 2 single single JJ 28553 750 3 - - HYPH 28553 750 4 cylinder cylinder NN 28553 750 5 steam steam NN 28553 750 6 - - HYPH 28553 750 7 engine engine NN 28553 750 8 develops develop VBZ 28553 750 9 an an DT 28553 750 10 impulse impulse NN 28553 750 11 every every DT 28553 750 12 half half JJ 28553 750 13 - - HYPH 28553 750 14 turn turn NN 28553 750 15 -- -- : 28553 750 16 that that RB 28553 750 17 is is RB 28553 750 18 , , , 28553 750 19 four four CD 28553 750 20 times time NNS 28553 750 21 as as RB 28553 750 22 often often RB 28553 750 23 . . . 28553 751 1 In in IN 28553 751 2 order order NN 28553 751 3 to to TO 28553 751 4 get get VB 28553 751 5 a a DT 28553 751 6 more more RBR 28553 751 7 constant constant JJ 28553 751 8 turning turn VBG 28553 751 9 effect effect NN 28553 751 10 , , , 28553 751 11 motor motor NN 28553 751 12 cars car NNS 28553 751 13 have have VBP 28553 751 14 two two CD 28553 751 15 , , , 28553 751 16 three three CD 28553 751 17 , , , 28553 751 18 four four CD 28553 751 19 , , , 28553 751 20 six six CD 28553 751 21 , , , 28553 751 22 and and CC 28553 751 23 even even RB 28553 751 24 eight eight CD 28553 751 25 cylinders cylinder NNS 28553 751 26 . . . 28553 752 1 Four four CD 28553 752 2 - - HYPH 28553 752 3 cylinder cylinder NN 28553 752 4 engines engine NNS 28553 752 5 are be VBP 28553 752 6 at at IN 28553 752 7 present present JJ 28553 752 8 the the DT 28553 752 9 most most RBS 28553 752 10 popular popular JJ 28553 752 11 type type NN 28553 752 12 for for IN 28553 752 13 powerful powerful JJ 28553 752 14 cars car NNS 28553 752 15 . . . 28553 753 1 THE the DT 28553 753 2 MOTOR MOTOR NNP 28553 753 3 CAR CAR NNP 28553 753 4 . . . 28553 754 1 [ [ -LRB- 28553 754 2 Illustration illustration NN 28553 754 3 : : : 28553 754 4 FIG FIG NNP 28553 754 5 . . . 28553 755 1 40.--Plan 40.--plan CD 28553 755 2 of of IN 28553 755 3 the the DT 28553 755 4 chassis chassis NN 28553 755 5 of of IN 28553 755 6 a a DT 28553 755 7 motor motor NN 28553 755 8 car car NN 28553 755 9 . . . 28553 755 10 ] ] -RRB- 28553 756 1 We -PRON- PRP 28553 756 2 will will MD 28553 756 3 now now RB 28553 756 4 proceed proceed VB 28553 756 5 to to IN 28553 756 6 an an DT 28553 756 7 examination examination NN 28553 756 8 of of IN 28553 756 9 the the DT 28553 756 10 motor motor NN 28553 756 11 car car NN 28553 756 12 , , , 28553 756 13 which which WDT 28553 756 14 , , , 28553 756 15 in in IN 28553 756 16 addition addition NN 28553 756 17 to to IN 28553 756 18 mechanical mechanical JJ 28553 756 19 apparatus apparatus NN 28553 756 20 for for IN 28553 756 21 the the DT 28553 756 22 transmission transmission NN 28553 756 23 of of IN 28553 756 24 motion motion NN 28553 756 25 to to IN 28553 756 26 the the DT 28553 756 27 driving driving NN 28553 756 28 - - HYPH 28553 756 29 wheels wheel NNS 28553 756 30 , , , 28553 756 31 includes include VBZ 28553 756 32 all all PDT 28553 756 33 the the DT 28553 756 34 fundamental fundamental JJ 28553 756 35 adjuncts adjunct NNS 28553 756 36 of of IN 28553 756 37 the the DT 28553 756 38 internal internal JJ 28553 756 39 - - HYPH 28553 756 40 combustion combustion NN 28553 756 41 engine engine NN 28553 756 42 . . . 28553 757 1 [ [ -LRB- 28553 757 2 8 8 CD 28553 757 3 ] ] -RRB- 28553 757 4 Fig fig NN 28553 757 5 . . . 28553 758 1 40 40 CD 28553 758 2 is be VBZ 28553 758 3 a a DT 28553 758 4 bird's bird's NN 28553 758 5 - - HYPH 28553 758 6 eye eye NN 28553 758 7 view view NN 28553 758 8 of of IN 28553 758 9 the the DT 28553 758 10 _ _ NNP 28553 758 11 chassis chassis NN 28553 758 12 _ _ NNP 28553 758 13 ( ( -LRB- 28553 758 14 or or CC 28553 758 15 " " `` 28553 758 16 works work NNS 28553 758 17 " " '' 28553 758 18 and and CC 28553 758 19 wheels wheel NNS 28553 758 20 ) ) -RRB- 28553 758 21 of of IN 28553 758 22 a a DT 28553 758 23 car car NN 28553 758 24 , , , 28553 758 25 from from IN 28553 758 26 which which WDT 28553 758 27 the the DT 28553 758 28 body body NN 28553 758 29 has have VBZ 28553 758 30 been be VBN 28553 758 31 removed remove VBN 28553 758 32 . . . 28553 759 1 Starting start VBG 28553 759 2 at at IN 28553 759 3 the the DT 28553 759 4 left left NN 28553 759 5 , , , 28553 759 6 we -PRON- PRP 28553 759 7 have have VBP 28553 759 8 the the DT 28553 759 9 handle handle NN 28553 759 10 for for IN 28553 759 11 setting set VBG 28553 759 12 the the DT 28553 759 13 engine engine NN 28553 759 14 in in IN 28553 759 15 motion motion NN 28553 759 16 ; ; : 28553 759 17 the the DT 28553 759 18 engine engine NN 28553 759 19 ( ( -LRB- 28553 759 20 a a DT 28553 759 21 two two CD 28553 759 22 - - HYPH 28553 759 23 cylinder cylinder NN 28553 759 24 in in IN 28553 759 25 this this DT 28553 759 26 case case NN 28553 759 27 ) ) -RRB- 28553 759 28 ; ; : 28553 759 29 the the DT 28553 759 30 fly fly NN 28553 759 31 - - HYPH 28553 759 32 wheel wheel NN 28553 759 33 , , , 28553 759 34 inside inside IN 28553 759 35 which which WDT 28553 759 36 is be VBZ 28553 759 37 the the DT 28553 759 38 clutch clutch NN 28553 759 39 ; ; : 28553 759 40 the the DT 28553 759 41 gear gear NN 28553 759 42 - - HYPH 28553 759 43 box box NN 28553 759 44 , , , 28553 759 45 containing contain VBG 28553 759 46 the the DT 28553 759 47 cogs cog NNS 28553 759 48 for for IN 28553 759 49 altering alter VBG 28553 759 50 the the DT 28553 759 51 speed speed NN 28553 759 52 of of IN 28553 759 53 revolution revolution NN 28553 759 54 of of IN 28553 759 55 the the DT 28553 759 56 driving driving NN 28553 759 57 - - HYPH 28553 759 58 wheels wheel NNS 28553 759 59 relatively relatively RB 28553 759 60 to to IN 28553 759 61 that that DT 28553 759 62 of of IN 28553 759 63 the the DT 28553 759 64 engine engine NN 28553 759 65 ; ; : 28553 759 66 the the DT 28553 759 67 propeller propeller NN 28553 759 68 shaft shaft NN 28553 759 69 ; ; : 28553 759 70 the the DT 28553 759 71 silencer silencer NN 28553 759 72 , , , 28553 759 73 for for IN 28553 759 74 deadening deaden VBG 28553 759 75 the the DT 28553 759 76 noise noise NN 28553 759 77 of of IN 28553 759 78 the the DT 28553 759 79 exhaust exhaust NN 28553 759 80 ; ; : 28553 759 81 and and CC 28553 759 82 the the DT 28553 759 83 bevel bevel NN 28553 759 84 - - HYPH 28553 759 85 gear gear NN 28553 759 86 , , , 28553 759 87 for for IN 28553 759 88 turning turn VBG 28553 759 89 the the DT 28553 759 90 driving driving NN 28553 759 91 - - HYPH 28553 759 92 wheels wheel NNS 28553 759 93 . . . 28553 760 1 In in IN 28553 760 2 the the DT 28553 760 3 particular particular JJ 28553 760 4 type type NN 28553 760 5 of of IN 28553 760 6 car car NN 28553 760 7 here here RB 28553 760 8 considered consider VBD 28553 760 9 you -PRON- PRP 28553 760 10 will will MD 28553 760 11 notice notice VB 28553 760 12 that that IN 28553 760 13 a a DT 28553 760 14 " " `` 28553 760 15 direct direct JJ 28553 760 16 , , , 28553 760 17 " " '' 28553 760 18 or or CC 28553 760 19 shaft shaft NN 28553 760 20 , , , 28553 760 21 drive drive NN 28553 760 22 is be VBZ 28553 760 23 used use VBN 28553 760 24 . . . 28553 761 1 The the DT 28553 761 2 shaft shaft NN 28553 761 3 has have VBZ 28553 761 4 at at IN 28553 761 5 each each DT 28553 761 6 end end NN 28553 761 7 a a DT 28553 761 8 flexible flexible JJ 28553 761 9 , , , 28553 761 10 or or CC 28553 761 11 " " `` 28553 761 12 universal universal JJ 28553 761 13 , , , 28553 761 14 " " '' 28553 761 15 joint joint JJ 28553 761 16 , , , 28553 761 17 which which WDT 28553 761 18 allows allow VBZ 28553 761 19 the the DT 28553 761 20 shaft shaft NN 28553 761 21 to to TO 28553 761 22 turn turn VB 28553 761 23 freely freely RB 28553 761 24 , , , 28553 761 25 even even RB 28553 761 26 though though IN 28553 761 27 it -PRON- PRP 28553 761 28 may may MD 28553 761 29 not not RB 28553 761 30 be be VB 28553 761 31 in in IN 28553 761 32 a a DT 28553 761 33 line line NN 28553 761 34 with with IN 28553 761 35 the the DT 28553 761 36 shaft shaft NN 28553 761 37 projecting projecting NN 28553 761 38 from from IN 28553 761 39 the the DT 28553 761 40 gear gear NN 28553 761 41 - - HYPH 28553 761 42 box box NN 28553 761 43 . . . 28553 762 1 It -PRON- PRP 28553 762 2 must must MD 28553 762 3 be be VB 28553 762 4 remembered remember VBN 28553 762 5 that that IN 28553 762 6 the the DT 28553 762 7 engine engine NN 28553 762 8 and and CC 28553 762 9 gear gear NN 28553 762 10 - - HYPH 28553 762 11 box box NN 28553 762 12 are be VBP 28553 762 13 mounted mount VBN 28553 762 14 on on IN 28553 762 15 the the DT 28553 762 16 frame frame NN 28553 762 17 , , , 28553 762 18 between between IN 28553 762 19 which which WDT 28553 762 20 and and CC 28553 762 21 the the DT 28553 762 22 axles axle NNS 28553 762 23 are be VBP 28553 762 24 springs spring NNS 28553 762 25 , , , 28553 762 26 so so IN 28553 762 27 that that IN 28553 762 28 when when WRB 28553 762 29 the the DT 28553 762 30 car car NN 28553 762 31 bumps bump VBZ 28553 762 32 up up RP 28553 762 33 and and CC 28553 762 34 down down RB 28553 762 35 , , , 28553 762 36 the the DT 28553 762 37 shaft shaft NN 28553 762 38 describes describe VBZ 28553 762 39 part part NN 28553 762 40 of of IN 28553 762 41 a a DT 28553 762 42 circle circle NN 28553 762 43 , , , 28553 762 44 of of IN 28553 762 45 which which WDT 28553 762 46 the the DT 28553 762 47 gear gear NN 28553 762 48 - - HYPH 28553 762 49 box box NN 28553 762 50 end end NN 28553 762 51 is be VBZ 28553 762 52 the the DT 28553 762 53 centre centre NN 28553 762 54 . . . 28553 763 1 An an DT 28553 763 2 alternative alternative JJ 28553 763 3 method method NN 28553 763 4 of of IN 28553 763 5 driving driving NN 28553 763 6 is be VBZ 28553 763 7 by by IN 28553 763 8 means mean NNS 28553 763 9 of of IN 28553 763 10 chains chain NNS 28553 763 11 , , , 28553 763 12 which which WDT 28553 763 13 run run VBP 28553 763 14 round round JJ 28553 763 15 sprocket sprocket NN 28553 763 16 ( ( -LRB- 28553 763 17 cog cog NN 28553 763 18 ) ) -RRB- 28553 763 19 wheels wheel NNS 28553 763 20 on on IN 28553 763 21 the the DT 28553 763 22 ends end NNS 28553 763 23 of of IN 28553 763 24 a a DT 28553 763 25 shaft shaft NN 28553 763 26 crossing cross VBG 28553 763 27 the the DT 28553 763 28 frame frame NN 28553 763 29 just just RB 28553 763 30 behind behind IN 28553 763 31 the the DT 28553 763 32 gear gear NN 28553 763 33 - - HYPH 28553 763 34 box box NN 28553 763 35 , , , 28553 763 36 and and CC 28553 763 37 round round JJ 28553 763 38 larger large JJR 28553 763 39 sprockets sprocket NNS 28553 763 40 attached attach VBN 28553 763 41 to to IN 28553 763 42 the the DT 28553 763 43 hubs hub NNS 28553 763 44 of of IN 28553 763 45 the the DT 28553 763 46 driving driving NN 28553 763 47 - - HYPH 28553 763 48 wheels wheel NNS 28553 763 49 . . . 28553 764 1 In in IN 28553 764 2 such such PDT 28553 764 3 a a DT 28553 764 4 case case NN 28553 764 5 the the DT 28553 764 6 axles axle NNS 28553 764 7 of of IN 28553 764 8 the the DT 28553 764 9 driving driving NN 28553 764 10 - - HYPH 28553 764 11 wheel wheel NN 28553 764 12 are be VBP 28553 764 13 fixed fix VBN 28553 764 14 to to IN 28553 764 15 the the DT 28553 764 16 springs spring NNS 28553 764 17 , , , 28553 764 18 and and CC 28553 764 19 the the DT 28553 764 20 wheels wheel NNS 28553 764 21 revolve revolve VBP 28553 764 22 round round IN 28553 764 23 them -PRON- PRP 28553 764 24 . . . 28553 765 1 Where where WRB 28553 765 2 a a DT 28553 765 3 Cardan Cardan NNP 28553 765 4 ( ( -LRB- 28553 765 5 shaft shaft NN 28553 765 6 ) ) -RRB- 28553 765 7 drive drive NN 28553 765 8 is be VBZ 28553 765 9 used use VBN 28553 765 10 the the DT 28553 765 11 axles axle NNS 28553 765 12 are be VBP 28553 765 13 attached attach VBN 28553 765 14 rigidly rigidly RB 28553 765 15 to to IN 28553 765 16 the the DT 28553 765 17 wheels wheel NNS 28553 765 18 at at IN 28553 765 19 one one CD 28553 765 20 end end NN 28553 765 21 , , , 28553 765 22 and and CC 28553 765 23 extend extend VB 28553 765 24 , , , 28553 765 25 through through IN 28553 765 26 tubes tube NNS 28553 765 27 fixed fix VBN 28553 765 28 to to IN 28553 765 29 the the DT 28553 765 30 springs spring NNS 28553 765 31 , , , 28553 765 32 to to IN 28553 765 33 bevel bevel NN 28553 765 34 - - HYPH 28553 765 35 wheels wheel NNS 28553 765 36 in in IN 28553 765 37 a a DT 28553 765 38 central central JJ 28553 765 39 compensating compensating NN 28553 765 40 - - HYPH 28553 765 41 gear gear NN 28553 765 42 box box NN 28553 765 43 ( ( -LRB- 28553 765 44 of of IN 28553 765 45 which which WDT 28553 765 46 more more RBR 28553 765 47 presently presently RB 28553 765 48 ) ) -RRB- 28553 765 49 . . . 28553 766 1 Several several JJ 28553 766 2 parts part NNS 28553 766 3 -- -- : 28553 766 4 the the DT 28553 766 5 carburetter carburetter NN 28553 766 6 , , , 28553 766 7 tanks tank NNS 28553 766 8 , , , 28553 766 9 governor governor NN 28553 766 10 , , , 28553 766 11 and and CC 28553 766 12 pump pump VB 28553 766 13 -- -- : 28553 766 14 are be VBP 28553 766 15 not not RB 28553 766 16 shown show VBN 28553 766 17 in in IN 28553 766 18 the the DT 28553 766 19 general general JJ 28553 766 20 plan plan NN 28553 766 21 . . . 28553 767 1 These these DT 28553 767 2 will will MD 28553 767 3 be be VB 28553 767 4 referred refer VBN 28553 767 5 to to IN 28553 767 6 in in IN 28553 767 7 the the DT 28553 767 8 more more RBR 28553 767 9 detailed detailed JJ 28553 767 10 account account NN 28553 767 11 that that WDT 28553 767 12 follows follow VBZ 28553 767 13 . . . 28553 768 1 THE the DT 28553 768 2 STARTING starting NN 28553 768 3 - - HYPH 28553 768 4 HANDLE handle NN 28553 768 5 . . . 28553 769 1 [ [ -LRB- 28553 769 2 Illustration illustration NN 28553 769 3 : : : 28553 769 4 FIG FIG NNP 28553 769 5 . . . 28553 770 1 41.--The 41.--the CD 28553 770 2 starting starting NN 28553 770 3 - - HYPH 28553 770 4 handle handle NN 28553 770 5 . . . 28553 770 6 ] ] -RRB- 28553 771 1 Fig fig NN 28553 771 2 . . . 28553 772 1 41 41 CD 28553 772 2 gives give VBZ 28553 772 3 the the DT 28553 772 4 starting starting NN 28553 772 5 - - HYPH 28553 772 6 handle handle NN 28553 772 7 in in IN 28553 772 8 part part NN 28553 772 9 section section NN 28553 772 10 . . . 28553 773 1 The the DT 28553 773 2 handle handle NN 28553 773 3 H H NNP 28553 773 4 is be VBZ 28553 773 5 attached attach VBN 28553 773 6 to to IN 28553 773 7 a a DT 28553 773 8 tube tube NN 28553 773 9 which which WDT 28553 773 10 terminates terminate VBZ 28553 773 11 in in IN 28553 773 12 a a DT 28553 773 13 clutch clutch NN 28553 773 14 , , , 28553 773 15 C. C. NNP 28553 773 16 A A NNP 28553 773 17 powerful powerful JJ 28553 773 18 spring spring NN 28553 773 19 keeps keep VBZ 28553 773 20 C C NNP 28553 773 21 normally normally RB 28553 773 22 apart apart RB 28553 773 23 from from IN 28553 773 24 a a DT 28553 773 25 second second JJ 28553 773 26 clutch clutch NN 28553 773 27 , , , 28553 773 28 C^1 C^1 NNP 28553 773 29 , , , 28553 773 30 keyed key VBD 28553 773 31 to to IN 28553 773 32 the the DT 28553 773 33 engine engine NN 28553 773 34 shaft shaft NN 28553 773 35 . . . 28553 774 1 When when WRB 28553 774 2 the the DT 28553 774 3 driver driver NN 28553 774 4 wishes wish VBZ 28553 774 5 to to TO 28553 774 6 start start VB 28553 774 7 the the DT 28553 774 8 engine engine NN 28553 774 9 he -PRON- PRP 28553 774 10 presses press VBZ 28553 774 11 the the DT 28553 774 12 handle handle NN 28553 774 13 towards towards IN 28553 774 14 the the DT 28553 774 15 right right NN 28553 774 16 , , , 28553 774 17 brings bring VBZ 28553 774 18 the the DT 28553 774 19 clutches clutch NNS 28553 774 20 together together RB 28553 774 21 , , , 28553 774 22 and and CC 28553 774 23 turns turn VBZ 28553 774 24 the the DT 28553 774 25 handle handle NN 28553 774 26 in in IN 28553 774 27 a a DT 28553 774 28 clockwise clockwise JJ 28553 774 29 direction direction NN 28553 774 30 . . . 28553 775 1 As as RB 28553 775 2 soon soon RB 28553 775 3 as as IN 28553 775 4 the the DT 28553 775 5 engine engine NN 28553 775 6 begins begin VBZ 28553 775 7 to to IN 28553 775 8 fire fire VB 28553 775 9 , , , 28553 775 10 the the DT 28553 775 11 faces face NNS 28553 775 12 of of IN 28553 775 13 the the DT 28553 775 14 clutches clutch NNS 28553 775 15 slip slip VBP 28553 775 16 over over IN 28553 775 17 one one CD 28553 775 18 another another DT 28553 775 19 . . . 28553 776 1 THE the DT 28553 776 2 ENGINE ENGINE NNP 28553 776 3 . . . 28553 777 1 [ [ -LRB- 28553 777 2 Illustration illustration NN 28553 777 3 : : : 28553 777 4 FIG FIG NNP 28553 777 5 . . . 28553 778 1 42.--End 42.--end CD 28553 778 2 and and CC 28553 778 3 cross cross VB 28553 778 4 sections section NNS 28553 778 5 of of IN 28553 778 6 a a DT 28553 778 7 two two CD 28553 778 8 - - HYPH 28553 778 9 cylinder cylinder NN 28553 778 10 motor motor NN 28553 778 11 . . . 28553 778 12 ] ] -RRB- 28553 779 1 We -PRON- PRP 28553 779 2 next next RB 28553 779 3 examine examine VBP 28553 779 4 the the DT 28553 779 5 two two CD 28553 779 6 - - HYPH 28553 779 7 cylinder cylinder NN 28553 779 8 engine engine NN 28553 779 9 ( ( -LRB- 28553 779 10 Fig fig NN 28553 779 11 . . . 28553 780 1 42 42 CD 28553 780 2 ) ) -RRB- 28553 780 3 . . . 28553 781 1 Each each DT 28553 781 2 cylinder cylinder NN 28553 781 3 is be VBZ 28553 781 4 surrounded surround VBN 28553 781 5 by by IN 28553 781 6 a a DT 28553 781 7 water water NN 28553 781 8 - - HYPH 28553 781 9 jacket jacket NN 28553 781 10 , , , 28553 781 11 through through IN 28553 781 12 which which WDT 28553 781 13 water water NN 28553 781 14 is be VBZ 28553 781 15 circulated circulate VBN 28553 781 16 by by IN 28553 781 17 a a DT 28553 781 18 pump[9 pump[9 NN 28553 781 19 ] ] -RRB- 28553 781 20 ( ( -LRB- 28553 781 21 Fig fig NN 28553 781 22 . . . 28553 782 1 43 43 LS 28553 782 2 ) ) -RRB- 28553 782 3 . . . 28553 783 1 The the DT 28553 783 2 heat heat NN 28553 783 3 generated generate VBN 28553 783 4 by by IN 28553 783 5 combustion combustion NN 28553 783 6 is be VBZ 28553 783 7 so so RB 28553 783 8 great great JJ 28553 783 9 that that IN 28553 783 10 the the DT 28553 783 11 walls wall NNS 28553 783 12 of of IN 28553 783 13 the the DT 28553 783 14 cylinder cylinder NN 28553 783 15 would would MD 28553 783 16 soon soon RB 28553 783 17 become become VB 28553 783 18 red red JJ 28553 783 19 - - HYPH 28553 783 20 hot hot JJ 28553 783 21 unless unless IN 28553 783 22 some some DT 28553 783 23 of of IN 28553 783 24 the the DT 28553 783 25 heat heat NN 28553 783 26 were be VBD 28553 783 27 quickly quickly RB 28553 783 28 carried carry VBN 28553 783 29 away away RB 28553 783 30 . . . 28553 784 1 The the DT 28553 784 2 pistons piston NNS 28553 784 3 are be VBP 28553 784 4 of of IN 28553 784 5 " " `` 28553 784 6 trunk trunk NN 28553 784 7 " " '' 28553 784 8 form form NN 28553 784 9 -- -- : 28553 784 10 that that RB 28553 784 11 is is RB 28553 784 12 , , , 28553 784 13 long long JJ 28553 784 14 enough enough RB 28553 784 15 to to TO 28553 784 16 act act VB 28553 784 17 as as IN 28553 784 18 guides guide NNS 28553 784 19 and and CC 28553 784 20 absorb absorb VB 28553 784 21 the the DT 28553 784 22 oblique oblique JJ 28553 784 23 thrust thrust NN 28553 784 24 of of IN 28553 784 25 the the DT 28553 784 26 piston piston NN 28553 784 27 rods rod NNS 28553 784 28 . . . 28553 785 1 Three three CD 28553 785 2 or or CC 28553 785 3 more more JJR 28553 785 4 piston piston NN 28553 785 5 rings ring NNS 28553 785 6 lying lie VBG 28553 785 7 in in IN 28553 785 8 slots slot NNS 28553 785 9 ( ( -LRB- 28553 785 10 not not RB 28553 785 11 shown show VBN 28553 785 12 ) ) -RRB- 28553 785 13 prevent prevent VB 28553 785 14 the the DT 28553 785 15 escape escape NN 28553 785 16 of of IN 28553 785 17 gas gas NN 28553 785 18 past past IN 28553 785 19 the the DT 28553 785 20 piston piston NN 28553 785 21 . . . 28553 786 1 It -PRON- PRP 28553 786 2 is be VBZ 28553 786 3 interesting interesting JJ 28553 786 4 to to TO 28553 786 5 notice notice VB 28553 786 6 that that IN 28553 786 7 the the DT 28553 786 8 efficiency efficiency NN 28553 786 9 of of IN 28553 786 10 an an DT 28553 786 11 internal internal JJ 28553 786 12 - - HYPH 28553 786 13 combustion combustion NN 28553 786 14 engine engine NN 28553 786 15 depends depend VBZ 28553 786 16 so so RB 28553 786 17 largely largely RB 28553 786 18 on on IN 28553 786 19 the the DT 28553 786 20 good good JJ 28553 786 21 fit fit NN 28553 786 22 of of IN 28553 786 23 these these DT 28553 786 24 moving move VBG 28553 786 25 parts part NNS 28553 786 26 , , , 28553 786 27 that that IN 28553 786 28 cylinders cylinder NNS 28553 786 29 , , , 28553 786 30 pistons piston NNS 28553 786 31 , , , 28553 786 32 and and CC 28553 786 33 rings ring NNS 28553 786 34 must must MD 28553 786 35 be be VB 28553 786 36 exceedingly exceedingly RB 28553 786 37 true true JJ 28553 786 38 . . . 28553 787 1 A a DT 28553 787 2 good good JJ 28553 787 3 firm firm NN 28553 787 4 will will MD 28553 787 5 turn turn VB 28553 787 6 out out RP 28553 787 7 standard standard JJ 28553 787 8 parts part NNS 28553 787 9 which which WDT 28553 787 10 are be VBP 28553 787 11 well well RB 28553 787 12 within within IN 28553 787 13 1/5000 1/5000 CD 28553 787 14 of of IN 28553 787 15 an an DT 28553 787 16 inch inch NN 28553 787 17 of of IN 28553 787 18 perfect perfect JJ 28553 787 19 truth truth NN 28553 787 20 . . . 28553 788 1 It -PRON- PRP 28553 788 2 is be VBZ 28553 788 3 also also RB 28553 788 4 a a DT 28553 788 5 wonderful wonderful JJ 28553 788 6 testimony testimony NN 28553 788 7 to to IN 28553 788 8 the the DT 28553 788 9 quality quality NN 28553 788 10 of of IN 28553 788 11 the the DT 28553 788 12 materials material NNS 28553 788 13 used use VBD 28553 788 14 that that IN 28553 788 15 , , , 28553 788 16 if if IN 28553 788 17 properly properly RB 28553 788 18 looked look VBD 28553 788 19 after after RB 28553 788 20 , , , 28553 788 21 an an DT 28553 788 22 engine engine NN 28553 788 23 which which WDT 28553 788 24 has have VBZ 28553 788 25 made make VBN 28553 788 26 many many JJ 28553 788 27 millions million NNS 28553 788 28 of of IN 28553 788 29 revolutions revolution NNS 28553 788 30 , , , 28553 788 31 at at IN 28553 788 32 the the DT 28553 788 33 rate rate NN 28553 788 34 of of IN 28553 788 35 1,000 1,000 CD 28553 788 36 to to TO 28553 788 37 2,000 2,000 CD 28553 788 38 per per IN 28553 788 39 minute minute NN 28553 788 40 , , , 28553 788 41 often often RB 28553 788 42 shows show VBZ 28553 788 43 no no DT 28553 788 44 appreciable appreciable JJ 28553 788 45 signs sign NNS 28553 788 46 of of IN 28553 788 47 wear wear NN 28553 788 48 . . . 28553 789 1 In in IN 28553 789 2 one one CD 28553 789 3 particular particular JJ 28553 789 4 test test NN 28553 789 5 an an DT 28553 789 6 engine engine NN 28553 789 7 was be VBD 28553 789 8 run run VBN 28553 789 9 _ _ NNP 28553 789 10 continuously continuously RB 28553 789 11 for for IN 28553 789 12 several several JJ 28553 789 13 months month NNS 28553 789 14 _ _ NNP 28553 789 15 , , , 28553 789 16 and and CC 28553 789 17 at at IN 28553 789 18 the the DT 28553 789 19 end end NN 28553 789 20 of of IN 28553 789 21 the the DT 28553 789 22 trial trial NN 28553 789 23 was be VBD 28553 789 24 in in IN 28553 789 25 absolutely absolutely RB 28553 789 26 perfect perfect JJ 28553 789 27 condition condition NN 28553 789 28 . . . 28553 790 1 The the DT 28553 790 2 cranks crank NNS 28553 790 3 revolve revolve VBP 28553 790 4 in in IN 28553 790 5 an an DT 28553 790 6 oil oil NN 28553 790 7 - - HYPH 28553 790 8 tight tight JJ 28553 790 9 case case NN 28553 790 10 ( ( -LRB- 28553 790 11 generally generally RB 28553 790 12 made make VBN 28553 790 13 of of IN 28553 790 14 aluminium aluminium NN 28553 790 15 ) ) -RRB- 28553 790 16 , , , 28553 790 17 and and CC 28553 790 18 dip dip NN 28553 790 19 in in IN 28553 790 20 oil oil NN 28553 790 21 , , , 28553 790 22 which which WDT 28553 790 23 they -PRON- PRP 28553 790 24 splash splash VBP 28553 790 25 up up RP 28553 790 26 into into IN 28553 790 27 the the DT 28553 790 28 cylinder cylinder NN 28553 790 29 to to TO 28553 790 30 keep keep VB 28553 790 31 the the DT 28553 790 32 piston piston NN 28553 790 33 well well RB 28553 790 34 lubricated lubricate VBD 28553 790 35 . . . 28553 791 1 The the DT 28553 791 2 plate plate NN 28553 791 3 , , , 28553 791 4 P p NN 28553 791 5 P p NN 28553 791 6 , , , 28553 791 7 through through IN 28553 791 8 a a DT 28553 791 9 slot slot NN 28553 791 10 in in IN 28553 791 11 which which WDT 28553 791 12 the the DT 28553 791 13 piston piston NN 28553 791 14 rod rod NN 28553 791 15 works work VBZ 28553 791 16 , , , 28553 791 17 prevents prevent VBZ 28553 791 18 an an DT 28553 791 19 excess excess NN 28553 791 20 of of IN 28553 791 21 oil oil NN 28553 791 22 being be VBG 28553 791 23 flung fling VBN 28553 791 24 up up RP 28553 791 25 . . . 28553 792 1 Channels channel NNS 28553 792 2 are be VBP 28553 792 3 provided provide VBN 28553 792 4 for for IN 28553 792 5 leading lead VBG 28553 792 6 oil oil NN 28553 792 7 into into IN 28553 792 8 the the DT 28553 792 9 bearings bearing NNS 28553 792 10 . . . 28553 793 1 The the DT 28553 793 2 cranks crank NNS 28553 793 3 are be VBP 28553 793 4 180 180 CD 28553 793 5 ° ° , 28553 793 6 apart apart RB 28553 793 7 . . . 28553 794 1 While while IN 28553 794 2 one one CD 28553 794 3 piston piston NN 28553 794 4 is be VBZ 28553 794 5 being be VBG 28553 794 6 driven drive VBN 28553 794 7 out out RP 28553 794 8 by by IN 28553 794 9 an an DT 28553 794 10 explosion explosion NN 28553 794 11 , , , 28553 794 12 the the DT 28553 794 13 other other JJ 28553 794 14 is be VBZ 28553 794 15 compressing compress VBG 28553 794 16 its -PRON- PRP$ 28553 794 17 charge charge NN 28553 794 18 prior prior RB 28553 794 19 to to IN 28553 794 20 ignition ignition NN 28553 794 21 , , , 28553 794 22 so so IN 28553 794 23 that that IN 28553 794 24 the the DT 28553 794 25 one one CD 28553 794 26 action action NN 28553 794 27 deadens deaden VBZ 28553 794 28 the the DT 28553 794 29 other other JJ 28553 794 30 . . . 28553 795 1 Therefore therefore RB 28553 795 2 two two CD 28553 795 3 explosions explosion NNS 28553 795 4 occur occur VBP 28553 795 5 in in IN 28553 795 6 one one CD 28553 795 7 revolution revolution NN 28553 795 8 of of IN 28553 795 9 the the DT 28553 795 10 cranks crank NNS 28553 795 11 , , , 28553 795 12 and and CC 28553 795 13 none none NN 28553 795 14 during during IN 28553 795 15 the the DT 28553 795 16 next next JJ 28553 795 17 revolution revolution NN 28553 795 18 . . . 28553 796 1 If if IN 28553 796 2 both both DT 28553 796 3 cranks crank NNS 28553 796 4 were be VBD 28553 796 5 in in IN 28553 796 6 line line NN 28553 796 7 , , , 28553 796 8 the the DT 28553 796 9 pistons piston NNS 28553 796 10 would would MD 28553 796 11 move move VB 28553 796 12 together together RB 28553 796 13 , , , 28553 796 14 giving give VBG 28553 796 15 one one CD 28553 796 16 explosion explosion NN 28553 796 17 each each DT 28553 796 18 revolution revolution NN 28553 796 19 . . . 28553 797 1 [ [ -LRB- 28553 797 2 Illustration illustration NN 28553 797 3 : : : 28553 797 4 FIG FIG NNP 28553 797 5 . . . 28553 798 1 43.--Showing 43.--showing CD 28553 798 2 how how WRB 28553 798 3 the the DT 28553 798 4 water water NN 28553 798 5 which which WDT 28553 798 6 cools cool VBZ 28553 798 7 the the DT 28553 798 8 cylinders cylinder NNS 28553 798 9 is be VBZ 28553 798 10 circulated circulate VBN 28553 798 11 . . . 28553 798 12 ] ] -RRB- 28553 799 1 The the DT 28553 799 2 valve valve NN 28553 799 3 seats seat NNS 28553 799 4 , , , 28553 799 5 and and CC 28553 799 6 the the DT 28553 799 7 inlet inlet NN 28553 799 8 and and CC 28553 799 9 exhaust exhaust NN 28553 799 10 pipes pipe NNS 28553 799 11 , , , 28553 799 12 are be VBP 28553 799 13 seen see VBN 28553 799 14 in in IN 28553 799 15 section section NN 28553 799 16 . . . 28553 800 1 The the DT 28553 800 2 inlet inlet NN 28553 800 3 valve valve NN 28553 800 4 here here RB 28553 800 5 works work VBZ 28553 800 6 automatically automatically RB 28553 800 7 , , , 28553 800 8 being be VBG 28553 800 9 pulled pull VBN 28553 800 10 in in RP 28553 800 11 by by IN 28553 800 12 suction suction NN 28553 800 13 ; ; : 28553 800 14 but but CC 28553 800 15 on on IN 28553 800 16 many many JJ 28553 800 17 engines engine NNS 28553 800 18 -- -- : 28553 800 19 on on IN 28553 800 20 all all DT 28553 800 21 powerful powerful JJ 28553 800 22 engines engine NNS 28553 800 23 -- -- : 28553 800 24 the the DT 28553 800 25 inlet inlet NN 28553 800 26 , , , 28553 800 27 like like IN 28553 800 28 the the DT 28553 800 29 exhaust exhaust NN 28553 800 30 valve valve NN 28553 800 31 , , , 28553 800 32 is be VBZ 28553 800 33 lifted lift VBN 28553 800 34 by by IN 28553 800 35 a a DT 28553 800 36 cam cam NN 28553 800 37 , , , 28553 800 38 lest lest IN 28553 800 39 it -PRON- PRP 28553 800 40 should should MD 28553 800 41 stick stick VB 28553 800 42 or or CC 28553 800 43 work work VB 28553 800 44 irregularly irregularly RB 28553 800 45 . . . 28553 801 1 Three three CD 28553 801 2 dotted dotted JJ 28553 801 3 circles circle NNS 28553 801 4 show show VBP 28553 801 5 A a NN 28553 801 6 , , , 28553 801 7 a a DT 28553 801 8 cog cog NN 28553 801 9 on on IN 28553 801 10 the the DT 28553 801 11 crank crank NN 28553 801 12 shaft shaft NN 28553 801 13 ; ; : 28553 801 14 B b NN 28553 801 15 , , , 28553 801 16 a a DT 28553 801 17 " " `` 28553 801 18 lay lay NN 28553 801 19 " " '' 28553 801 20 cog cog NN 28553 801 21 , , , 28553 801 22 which which WDT 28553 801 23 transmits transmit VBZ 28553 801 24 motion motion NN 28553 801 25 to to IN 28553 801 26 C C NNP 28553 801 27 , , , 28553 801 28 on on IN 28553 801 29 a a DT 28553 801 30 short short JJ 28553 801 31 shaft shaft NN 28553 801 32 rotating rotate VBG 28553 801 33 the the DT 28553 801 34 cam cam NN 28553 801 35 that that WDT 28553 801 36 lifts lift VBZ 28553 801 37 the the DT 28553 801 38 exhaust exhaust NN 28553 801 39 valve valve NN 28553 801 40 . . . 28553 802 1 C C NNP 28553 802 2 , , , 28553 802 3 having have VBG 28553 802 4 twice twice PDT 28553 802 5 as as RB 28553 802 6 many many JJ 28553 802 7 teeth tooth NNS 28553 802 8 as as IN 28553 802 9 A a NN 28553 802 10 , , , 28553 802 11 revolves revolve VBZ 28553 802 12 at at IN 28553 802 13 half half PDT 28553 802 14 its -PRON- PRP$ 28553 802 15 rate rate NN 28553 802 16 . . . 28553 803 1 This this DT 28553 803 2 ensures ensure VBZ 28553 803 3 that that IN 28553 803 4 the the DT 28553 803 5 valve valve NN 28553 803 6 shall shall MD 28553 803 7 be be VB 28553 803 8 lifted lift VBN 28553 803 9 only only RB 28553 803 10 once once RB 28553 803 11 in in IN 28553 803 12 two two CD 28553 803 13 revolutions revolution NNS 28553 803 14 of of IN 28553 803 15 the the DT 28553 803 16 crank crank NN 28553 803 17 shaft shaft NN 28553 803 18 to to TO 28553 803 19 which which WDT 28553 803 20 it -PRON- PRP 28553 803 21 is be VBZ 28553 803 22 geared gear VBN 28553 803 23 . . . 28553 804 1 The the DT 28553 804 2 cogs cog NNS 28553 804 3 are be VBP 28553 804 4 timed time VBN 28553 804 5 , , , 28553 804 6 or or CC 28553 804 7 arranged arrange VBD 28553 804 8 , , , 28553 804 9 so so IN 28553 804 10 that that IN 28553 804 11 the the DT 28553 804 12 cam cam NN 28553 804 13 begins begin VBZ 28553 804 14 to to TO 28553 804 15 lift lift VB 28553 804 16 the the DT 28553 804 17 valve valve NN 28553 804 18 when when WRB 28553 804 19 the the DT 28553 804 20 piston piston NN 28553 804 21 has have VBZ 28553 804 22 made make VBN 28553 804 23 about about RB 28553 804 24 seven seven CD 28553 804 25 - - HYPH 28553 804 26 eighths eighth NNS 28553 804 27 of of IN 28553 804 28 its -PRON- PRP$ 28553 804 29 explosion explosion NN 28553 804 30 stroke stroke NN 28553 804 31 , , , 28553 804 32 and and CC 28553 804 33 closes close VBZ 28553 804 34 the the DT 28553 804 35 valve valve NN 28553 804 36 at at IN 28553 804 37 the the DT 28553 804 38 end end NN 28553 804 39 of of IN 28553 804 40 the the DT 28553 804 41 exhaust exhaust NN 28553 804 42 stroke stroke NN 28553 804 43 . . . 28553 805 1 THE the DT 28553 805 2 CARBURETTER CARBURETTER NNP 28553 805 3 . . . 28553 806 1 A a DT 28553 806 2 motor motor NN 28553 806 3 car car NN 28553 806 4 generally generally RB 28553 806 5 uses use VBZ 28553 806 6 petrol petrol NN 28553 806 7 as as IN 28553 806 8 its -PRON- PRP$ 28553 806 9 fuel fuel NN 28553 806 10 . . . 28553 807 1 Petrol petrol NN 28553 807 2 is be VBZ 28553 807 3 one one CD 28553 807 4 of of IN 28553 807 5 the the DT 28553 807 6 more more RBR 28553 807 7 volatile volatile JJ 28553 807 8 products product NNS 28553 807 9 of of IN 28553 807 10 petroleum petroleum NN 28553 807 11 , , , 28553 807 12 and and CC 28553 807 13 has have VBZ 28553 807 14 a a DT 28553 807 15 specific specific JJ 28553 807 16 gravity gravity NN 28553 807 17 of of IN 28553 807 18 about about RB 28553 807 19 680 680 CD 28553 807 20 - - HYPH 28553 807 21 -that -that NN 28553 807 22 is be VBZ 28553 807 23 , , , 28553 807 24 volume volume NN 28553 807 25 for for IN 28553 807 26 volume volume NN 28553 807 27 , , , 28553 807 28 its -PRON- PRP$ 28553 807 29 weight weight NN 28553 807 30 is be VBZ 28553 807 31 to to IN 28553 807 32 that that DT 28553 807 33 of of IN 28553 807 34 water water NN 28553 807 35 in in IN 28553 807 36 the the DT 28553 807 37 proportion proportion NN 28553 807 38 of of IN 28553 807 39 680 680 CD 28553 807 40 to to IN 28553 807 41 1,000 1,000 CD 28553 807 42 . . . 28553 808 1 It -PRON- PRP 28553 808 2 is be VBZ 28553 808 3 extremely extremely RB 28553 808 4 dangerous dangerous JJ 28553 808 5 , , , 28553 808 6 as as IN 28553 808 7 it -PRON- PRP 28553 808 8 gives give VBZ 28553 808 9 off off RP 28553 808 10 an an DT 28553 808 11 inflammable inflammable JJ 28553 808 12 gas gas NN 28553 808 13 at at IN 28553 808 14 ordinary ordinary JJ 28553 808 15 temperatures temperature NNS 28553 808 16 . . . 28553 809 1 Benzine Benzine NNP 28553 809 2 , , , 28553 809 3 which which WDT 28553 809 4 we -PRON- PRP 28553 809 5 use use VBP 28553 809 6 to to TO 28553 809 7 clean clean JJ 28553 809 8 clothes clothe NNS 28553 809 9 , , , 28553 809 10 is be VBZ 28553 809 11 practically practically RB 28553 809 12 the the DT 28553 809 13 same same JJ 28553 809 14 as as IN 28553 809 15 petrol petrol NN 28553 809 16 , , , 28553 809 17 and and CC 28553 809 18 should should MD 28553 809 19 be be VB 28553 809 20 treated treat VBN 28553 809 21 with with IN 28553 809 22 equal equal JJ 28553 809 23 care care NN 28553 809 24 . . . 28553 810 1 The the DT 28553 810 2 function function NN 28553 810 3 of of IN 28553 810 4 a a DT 28553 810 5 _ _ NNP 28553 810 6 carburetter carburetter NN 28553 810 7 _ _ NNP 28553 810 8 is be VBZ 28553 810 9 to to TO 28553 810 10 reduce reduce VB 28553 810 11 petrol petrol NN 28553 810 12 to to IN 28553 810 13 a a DT 28553 810 14 very very RB 28553 810 15 fine fine JJ 28553 810 16 spray spray NN 28553 810 17 and and CC 28553 810 18 mix mix VB 28553 810 19 it -PRON- PRP 28553 810 20 with with IN 28553 810 21 a a DT 28553 810 22 due due JJ 28553 810 23 quantity quantity NN 28553 810 24 of of IN 28553 810 25 air air NN 28553 810 26 . . . 28553 811 1 The the DT 28553 811 2 device device NN 28553 811 3 consists consist VBZ 28553 811 4 of of IN 28553 811 5 two two CD 28553 811 6 main main JJ 28553 811 7 parts part NNS 28553 811 8 ( ( -LRB- 28553 811 9 Fig fig NN 28553 811 10 . . . 28553 812 1 44)--the 44)--the LS 28553 812 2 _ _ NNP 28553 812 3 float float NN 28553 812 4 chamber chamber NNP 28553 812 5 _ _ NNP 28553 812 6 and and CC 28553 812 7 the the DT 28553 812 8 _ _ NNP 28553 812 9 jet jet NN 28553 812 10 chamber chamber NN 28553 812 11 _ _ NNP 28553 812 12 . . . 28553 813 1 In in IN 28553 813 2 the the DT 28553 813 3 former former NN 28553 813 4 is be VBZ 28553 813 5 a a DT 28553 813 6 contrivance contrivance NN 28553 813 7 for for IN 28553 813 8 regulating regulate VBG 28553 813 9 the the DT 28553 813 10 petrol petrol NN 28553 813 11 supply supply NN 28553 813 12 . . . 28553 814 1 A a DT 28553 814 2 float float NN 28553 814 3 -- -- : 28553 814 4 a a DT 28553 814 5 cork cork NN 28553 814 6 , , , 28553 814 7 or or CC 28553 814 8 air air NN 28553 814 9 - - HYPH 28553 814 10 tight tight JJ 28553 814 11 metal metal NN 28553 814 12 box box NN 28553 814 13 -- -- : 28553 814 14 is be VBZ 28553 814 15 arranged arrange VBN 28553 814 16 to to TO 28553 814 17 move move VB 28553 814 18 freely freely RB 28553 814 19 up up IN 28553 814 20 and and CC 28553 814 21 down down IN 28553 814 22 the the DT 28553 814 23 stem stem NN 28553 814 24 of of IN 28553 814 25 a a DT 28553 814 26 needle needle NN 28553 814 27 - - HYPH 28553 814 28 valve valve NN 28553 814 29 , , , 28553 814 30 which which WDT 28553 814 31 closes close VBZ 28553 814 32 the the DT 28553 814 33 inlet inlet NN 28553 814 34 from from IN 28553 814 35 the the DT 28553 814 36 tank tank NN 28553 814 37 . . . 28553 815 1 At at IN 28553 815 2 the the DT 28553 815 3 bottom bottom NN 28553 815 4 of of IN 28553 815 5 the the DT 28553 815 6 chamber chamber NN 28553 815 7 are be VBP 28553 815 8 two two CD 28553 815 9 pivoted pivoted JJ 28553 815 10 levers lever NNS 28553 815 11 , , , 28553 815 12 W W NNP 28553 815 13 W W NNP 28553 815 14 , , , 28553 815 15 which which WDT 28553 815 16 , , , 28553 815 17 when when WRB 28553 815 18 the the DT 28553 815 19 float float NN 28553 815 20 rests rest VBZ 28553 815 21 on on IN 28553 815 22 them -PRON- PRP 28553 815 23 , , , 28553 815 24 tip tip VB 28553 815 25 up up RP 28553 815 26 and and CC 28553 815 27 lift lift VB 28553 815 28 the the DT 28553 815 29 valve valve NN 28553 815 30 . . . 28553 816 1 Petrol petrol NN 28553 816 2 flows flow VBZ 28553 816 3 in in RB 28553 816 4 and and CC 28553 816 5 raises raise VBZ 28553 816 6 the the DT 28553 816 7 float float NN 28553 816 8 . . . 28553 817 1 This this DT 28553 817 2 allows allow VBZ 28553 817 3 the the DT 28553 817 4 valve valve NN 28553 817 5 to to TO 28553 817 6 sink sink VB 28553 817 7 and and CC 28553 817 8 cut cut VB 28553 817 9 off off RP 28553 817 10 the the DT 28553 817 11 supply supply NN 28553 817 12 . . . 28553 818 1 If if IN 28553 818 2 the the DT 28553 818 3 valve valve NN 28553 818 4 is be VBZ 28553 818 5 a a DT 28553 818 6 good good JJ 28553 818 7 fit fit NN 28553 818 8 and and CC 28553 818 9 the the DT 28553 818 10 float float NN 28553 818 11 is be VBZ 28553 818 12 of of IN 28553 818 13 the the DT 28553 818 14 correct correct JJ 28553 818 15 weight weight NN 28553 818 16 , , , 28553 818 17 the the DT 28553 818 18 petrol petrol NN 28553 818 19 will will MD 28553 818 20 never never RB 28553 818 21 rise rise VB 28553 818 22 higher high JJR 28553 818 23 than than IN 28553 818 24 the the DT 28553 818 25 tip tip NN 28553 818 26 of of IN 28553 818 27 the the DT 28553 818 28 jet jet NN 28553 818 29 G. G. NNP 28553 818 30 [ [ -LRB- 28553 818 31 Illustration illustration NN 28553 818 32 : : : 28553 818 33 FIG FIG NNP 28553 818 34 . . . 28553 819 1 44.--Section 44.--section CD 28553 819 2 of of IN 28553 819 3 a a DT 28553 819 4 carburetter carburetter NN 28553 819 5 . . . 28553 819 6 ] ] -RRB- 28553 820 1 The the DT 28553 820 2 suction suction NN 28553 820 3 of of IN 28553 820 4 the the DT 28553 820 5 engine engine NN 28553 820 6 makes make VBZ 28553 820 7 petrol petrol NN 28553 820 8 spirt spirt NN 28553 820 9 through through IN 28553 820 10 the the DT 28553 820 11 jet jet NN 28553 820 12 ( ( -LRB- 28553 820 13 which which WDT 28553 820 14 has have VBZ 28553 820 15 a a DT 28553 820 16 very very RB 28553 820 17 small small JJ 28553 820 18 hole hole NN 28553 820 19 in in IN 28553 820 20 its -PRON- PRP$ 28553 820 21 end end NN 28553 820 22 ) ) -RRB- 28553 820 23 and and CC 28553 820 24 atomize atomize VB 28553 820 25 itself -PRON- PRP 28553 820 26 against against IN 28553 820 27 a a DT 28553 820 28 spraying spray VBG 28553 820 29 - - HYPH 28553 820 30 cone cone NN 28553 820 31 , , , 28553 820 32 A. a. NN 28553 821 1 It -PRON- PRP 28553 821 2 then then RB 28553 821 3 passes pass VBZ 28553 821 4 to to IN 28553 821 5 the the DT 28553 821 6 engine engine NN 28553 821 7 inlet inlet NN 28553 821 8 pipe pipe NN 28553 821 9 through through IN 28553 821 10 a a DT 28553 821 11 number number NN 28553 821 12 of of IN 28553 821 13 openings opening NNS 28553 821 14 , , , 28553 821 15 after after IN 28553 821 16 mixing mix VBG 28553 821 17 with with IN 28553 821 18 air air NN 28553 821 19 entering enter VBG 28553 821 20 from from IN 28553 821 21 below below RB 28553 821 22 . . . 28553 822 1 An an DT 28553 822 2 extra extra JJ 28553 822 3 air air NN 28553 822 4 inlet inlet NN 28553 822 5 , , , 28553 822 6 controllable controllable JJ 28553 822 7 by by IN 28553 822 8 the the DT 28553 822 9 driver driver NN 28553 822 10 , , , 28553 822 11 is be VBZ 28553 822 12 generally generally RB 28553 822 13 added add VBN 28553 822 14 , , , 28553 822 15 unless unless IN 28553 822 16 the the DT 28553 822 17 carburetter carburetter NN 28553 822 18 be be VBP 28553 822 19 of of IN 28553 822 20 a a DT 28553 822 21 type type NN 28553 822 22 which which WDT 28553 822 23 automatically automatically RB 28553 822 24 maintains maintain VBZ 28553 822 25 constant constant JJ 28553 822 26 proportions proportion NNS 28553 822 27 of of IN 28553 822 28 air air NN 28553 822 29 and and CC 28553 822 30 vapour vapour NN 28553 822 31 . . . 28553 823 1 The the DT 28553 823 2 jet jet NN 28553 823 3 chamber chamber NN 28553 823 4 is be VBZ 28553 823 5 often often RB 28553 823 6 surrounded surround VBN 28553 823 7 by by IN 28553 823 8 a a DT 28553 823 9 jacket jacket NN 28553 823 10 , , , 28553 823 11 through through IN 28553 823 12 which which WDT 28553 823 13 part part NN 28553 823 14 of of IN 28553 823 15 the the DT 28553 823 16 hot hot JJ 28553 823 17 exhaust exhaust NN 28553 823 18 gases gas NNS 28553 823 19 circulate circulate VBP 28553 823 20 . . . 28553 824 1 In in IN 28553 824 2 cold cold JJ 28553 824 3 weather weather NN 28553 824 4 especially especially RB 28553 824 5 this this DT 28553 824 6 is be VBZ 28553 824 7 a a DT 28553 824 8 valuable valuable JJ 28553 824 9 aid aid NN 28553 824 10 to to IN 28553 824 11 vaporization vaporization NN 28553 824 12 . . . 28553 825 1 [ [ -LRB- 28553 825 2 Illustration illustration NN 28553 825 3 : : : 28553 825 4 FIG FIG NNP 28553 825 5 . . . 28553 826 1 45.--Sketch 45.--sketch CD 28553 826 2 of of IN 28553 826 3 the the DT 28553 826 4 electrical electrical JJ 28553 826 5 ignition ignition NN 28553 826 6 arrangements arrangement NNS 28553 826 7 on on IN 28553 826 8 a a DT 28553 826 9 motor motor NN 28553 826 10 car car NN 28553 826 11 . . . 28553 826 12 ] ] -RRB- 28553 827 1 IGNITION ignition NN 28553 827 2 OF of IN 28553 827 3 THE the DT 28553 827 4 CHARGE CHARGE NNP 28553 827 5 . . . 28553 828 1 All all DT 28553 828 2 petrol petrol NN 28553 828 3 - - HYPH 28553 828 4 cars car NNS 28553 828 5 now now RB 28553 828 6 use use VBP 28553 828 7 electrical electrical JJ 28553 828 8 ignition ignition NN 28553 828 9 . . . 28553 829 1 There there EX 28553 829 2 are be VBP 28553 829 3 two two CD 28553 829 4 main main JJ 28553 829 5 systems--(1 systems--(1 NN 28553 829 6 ) ) -RRB- 28553 829 7 by by IN 28553 829 8 an an DT 28553 829 9 accumulator accumulator NN 28553 829 10 and and CC 28553 829 11 induction induction NN 28553 829 12 coil coil NN 28553 829 13 ; ; : 28553 829 14 ( ( -LRB- 28553 829 15 2 2 LS 28553 829 16 ) ) -RRB- 28553 829 17 _ _ NNP 28553 829 18 magneto magneto NNP 28553 829 19 ignition ignition NN 28553 829 20 _ _ NNP 28553 829 21 , , , 28553 829 22 by by IN 28553 829 23 means mean NNS 28553 829 24 of of IN 28553 829 25 a a DT 28553 829 26 small small JJ 28553 829 27 dynamo dynamo NN 28553 829 28 driven drive VBN 28553 829 29 by by IN 28553 829 30 the the DT 28553 829 31 engine engine NN 28553 829 32 . . . 28553 830 1 A a DT 28553 830 2 general general JJ 28553 830 3 arrangement arrangement NN 28553 830 4 of of IN 28553 830 5 the the DT 28553 830 6 first first JJ 28553 830 7 is be VBZ 28553 830 8 shown show VBN 28553 830 9 in in IN 28553 830 10 Fig Fig NNP 28553 830 11 . . . 28553 831 1 45 45 CD 28553 831 2 . . . 28553 832 1 A a DT 28553 832 2 disc disc NN 28553 832 3 , , , 28553 832 4 D d NN 28553 832 5 , , , 28553 832 6 of of IN 28553 832 7 some some DT 28553 832 8 insulating insulate VBG 28553 832 9 material material NN 28553 832 10 -- -- : 28553 832 11 fibre fibre NN 28553 832 12 or or CC 28553 832 13 vulcanite vulcanite NN 28553 832 14 -- -- : 28553 832 15 is be VBZ 28553 832 16 mounted mount VBN 28553 832 17 on on IN 28553 832 18 the the DT 28553 832 19 cam cam NN 28553 832 20 , , , 28553 832 21 or or CC 28553 832 22 half half JJ 28553 832 23 - - HYPH 28553 832 24 speed speed NN 28553 832 25 , , , 28553 832 26 shaft shaft NN 28553 832 27 . . . 28553 833 1 Into into IN 28553 833 2 the the DT 28553 833 3 circumference circumference NN 28553 833 4 is be VBZ 28553 833 5 let let VBN 28553 833 6 a a DT 28553 833 7 piece piece NN 28553 833 8 of of IN 28553 833 9 brass brass NN 28553 833 10 , , , 28553 833 11 called call VBD 28553 833 12 the the DT 28553 833 13 contact contact NN 28553 833 14 - - HYPH 28553 833 15 piece piece NN 28553 833 16 , , , 28553 833 17 through through IN 28553 833 18 which which WDT 28553 833 19 a a DT 28553 833 20 screw screw NN 28553 833 21 passes pass VBZ 28553 833 22 to to IN 28553 833 23 the the DT 28553 833 24 cam cam NN 28553 833 25 shaft shaft NN 28553 833 26 . . . 28553 834 1 A a DT 28553 834 2 movable movable JJ 28553 834 3 plate plate NN 28553 834 4 , , , 28553 834 5 M M NNP 28553 834 6 P P NNP 28553 834 7 , , , 28553 834 8 which which WDT 28553 834 9 can can MD 28553 834 10 be be VB 28553 834 11 rotated rotate VBN 28553 834 12 concentrically concentrically RB 28553 834 13 with with IN 28553 834 14 D d NN 28553 834 15 through through IN 28553 834 16 part part NN 28553 834 17 of of IN 28553 834 18 a a DT 28553 834 19 circle circle NN 28553 834 20 , , , 28553 834 21 carries carry VBZ 28553 834 22 a a DT 28553 834 23 " " `` 28553 834 24 wipe wipe NN 28553 834 25 " " '' 28553 834 26 block block NN 28553 834 27 at at IN 28553 834 28 the the DT 28553 834 29 end end NN 28553 834 30 of of IN 28553 834 31 a a DT 28553 834 32 spring spring NN 28553 834 33 , , , 28553 834 34 which which WDT 28553 834 35 presses press VBZ 28553 834 36 it -PRON- PRP 28553 834 37 against against IN 28553 834 38 D. D. NNP 28553 834 39 The the DT 28553 834 40 spring spring NN 28553 834 41 itself -PRON- PRP 28553 834 42 is be VBZ 28553 834 43 attached attach VBN 28553 834 44 to to IN 28553 834 45 an an DT 28553 834 46 insulated insulated JJ 28553 834 47 plate plate NN 28553 834 48 . . . 28553 835 1 When when WRB 28553 835 2 the the DT 28553 835 3 revolution revolution NN 28553 835 4 of of IN 28553 835 5 D d NN 28553 835 6 brings bring VBZ 28553 835 7 the the DT 28553 835 8 wipe wipe NN 28553 835 9 and and CC 28553 835 10 contact contact NN 28553 835 11 together together RB 28553 835 12 , , , 28553 835 13 current current JJ 28553 835 14 flows flow NNS 28553 835 15 from from IN 28553 835 16 the the DT 28553 835 17 accumulator accumulator NN 28553 835 18 through through IN 28553 835 19 switch switch NN 28553 835 20 S S NNP 28553 835 21 to to IN 28553 835 22 the the DT 28553 835 23 wipe wipe NN 28553 835 24 ; ; : 28553 835 25 through through IN 28553 835 26 the the DT 28553 835 27 contact contact NN 28553 835 28 - - HYPH 28553 835 29 piece piece NN 28553 835 30 to to IN 28553 835 31 C C NNP 28553 835 32 ; ; : 28553 835 33 from from IN 28553 835 34 C C NNP 28553 835 35 to to IN 28553 835 36 M M NNP 28553 835 37 P P NNP 28553 835 38 and and CC 28553 835 39 the the DT 28553 835 40 induction induction NN 28553 835 41 coil coil NN 28553 835 42 ; ; : 28553 835 43 and and CC 28553 835 44 back back RB 28553 835 45 to to IN 28553 835 46 the the DT 28553 835 47 accumulator accumulator NN 28553 835 48 . . . 28553 836 1 This this DT 28553 836 2 is be VBZ 28553 836 3 the the DT 28553 836 4 _ _ NNP 28553 836 5 primary primary NN 28553 836 6 , , , 28553 836 7 or or CC 28553 836 8 low low JJ 28553 836 9 - - HYPH 28553 836 10 tension tension NN 28553 836 11 , , , 28553 836 12 circuit circuit NN 28553 836 13 _ _ NNP 28553 836 14 . . . 28553 837 1 A a DT 28553 837 2 _ _ NNP 28553 837 3 high high JJ 28553 837 4 - - HYPH 28553 837 5 tension tension NN 28553 837 6 _ _ NNP 28553 837 7 current current NN 28553 837 8 is be VBZ 28553 837 9 induced induce VBN 28553 837 10 by by IN 28553 837 11 the the DT 28553 837 12 coil coil NN 28553 837 13 in in IN 28553 837 14 the the DT 28553 837 15 _ _ NNP 28553 837 16 secondary secondary JJ 28553 837 17 _ _ NNP 28553 837 18 circuit circuit NN 28553 837 19 , , , 28553 837 20 indicated indicate VBN 28553 837 21 by by IN 28553 837 22 dotted dotted JJ 28553 837 23 lines line NNS 28553 837 24 . . . 28553 838 1 [ [ -LRB- 28553 838 2 10 10 CD 28553 838 3 ] ] -RRB- 28553 838 4 In in IN 28553 838 5 this this DT 28553 838 6 circuit circuit NN 28553 838 7 is be VBZ 28553 838 8 the the DT 28553 838 9 sparking sparking NN 28553 838 10 - - HYPH 28553 838 11 plug plug NN 28553 838 12 ( ( -LRB- 28553 838 13 see see VB 28553 838 14 Fig Fig NNP 28553 838 15 . . . 28553 839 1 46 46 CD 28553 839 2 ) ) -RRB- 28553 839 3 , , , 28553 839 4 having have VBG 28553 839 5 a a DT 28553 839 6 central central JJ 28553 839 7 insulated insulated JJ 28553 839 8 rod rod NN 28553 839 9 in in IN 28553 839 10 connection connection NN 28553 839 11 with with IN 28553 839 12 one one CD 28553 839 13 terminal terminal NN 28553 839 14 of of IN 28553 839 15 the the DT 28553 839 16 secondary secondary JJ 28553 839 17 coil coil NN 28553 839 18 . . . 28553 840 1 Between between IN 28553 840 2 it -PRON- PRP 28553 840 3 and and CC 28553 840 4 a a DT 28553 840 5 bent bent JJ 28553 840 6 wire wire NN 28553 840 7 projecting project VBG 28553 840 8 from from IN 28553 840 9 the the DT 28553 840 10 iron iron NN 28553 840 11 casing casing NN 28553 840 12 of of IN 28553 840 13 the the DT 28553 840 14 plug plug NN 28553 840 15 ( ( -LRB- 28553 840 16 in in IN 28553 840 17 contact contact NN 28553 840 18 with with IN 28553 840 19 the the DT 28553 840 20 other other JJ 28553 840 21 terminal terminal NN 28553 840 22 of of IN 28553 840 23 the the DT 28553 840 24 secondary secondary JJ 28553 840 25 coil coil NN 28553 840 26 through through IN 28553 840 27 the the DT 28553 840 28 metal metal NN 28553 840 29 of of IN 28553 840 30 the the DT 28553 840 31 engine engine NN 28553 840 32 , , , 28553 840 33 to to IN 28553 840 34 which which WDT 28553 840 35 one one CD 28553 840 36 wire wire NN 28553 840 37 of of IN 28553 840 38 the the DT 28553 840 39 circuit circuit NN 28553 840 40 is be VBZ 28553 840 41 attached attach VBN 28553 840 42 ) ) -RRB- 28553 840 43 is be VBZ 28553 840 44 a a DT 28553 840 45 small small JJ 28553 840 46 gap gap NN 28553 840 47 , , , 28553 840 48 across across IN 28553 840 49 which which WDT 28553 840 50 the the DT 28553 840 51 secondary secondary JJ 28553 840 52 current current JJ 28553 840 53 leaps leap NNS 28553 840 54 when when WRB 28553 840 55 the the DT 28553 840 56 primary primary JJ 28553 840 57 current current NN 28553 840 58 is be VBZ 28553 840 59 broken break VBN 28553 840 60 by by IN 28553 840 61 the the DT 28553 840 62 wipe wipe NN 28553 840 63 and and CC 28553 840 64 contact contact NN 28553 840 65 parting part VBG 28553 840 66 company company NN 28553 840 67 . . . 28553 841 1 The the DT 28553 841 2 spark spark NN 28553 841 3 is be VBZ 28553 841 4 intensely intensely RB 28553 841 5 hot hot JJ 28553 841 6 , , , 28553 841 7 and and CC 28553 841 8 suffices suffice VBZ 28553 841 9 to to TO 28553 841 10 ignite ignite VB 28553 841 11 the the DT 28553 841 12 compressed compressed JJ 28553 841 13 charge charge NN 28553 841 14 in in IN 28553 841 15 the the DT 28553 841 16 cylinder cylinder NN 28553 841 17 . . . 28553 842 1 [ [ -LRB- 28553 842 2 Illustration illustration NN 28553 842 3 : : : 28553 842 4 FIG FIG NNP 28553 842 5 . . . 28553 843 1 46.--Section 46.--section CD 28553 843 2 of of IN 28553 843 3 a a DT 28553 843 4 sparking sparking NN 28553 843 5 - - HYPH 28553 843 6 plug plug NN 28553 843 7 . . . 28553 843 8 ] ] -RRB- 28553 844 1 ADVANCING advance VBG 28553 844 2 THE the DT 28553 844 3 SPARK SPARK NNP 28553 844 4 . . . 28553 845 1 We -PRON- PRP 28553 845 2 will will MD 28553 845 3 assume assume VB 28553 845 4 that that IN 28553 845 5 the the DT 28553 845 6 position position NN 28553 845 7 of of IN 28553 845 8 W w NN 28553 845 9 ( ( -LRB- 28553 845 10 in in IN 28553 845 11 Fig Fig NNP 28553 845 12 . . . 28553 846 1 45 45 CD 28553 846 2 ) ) -RRB- 28553 846 3 is be VBZ 28553 846 4 such such JJ 28553 846 5 that that IN 28553 846 6 the the DT 28553 846 7 contact contact NN 28553 846 8 touches touch VBZ 28553 846 9 W w NN 28553 846 10 at at IN 28553 846 11 the the DT 28553 846 12 moment moment NN 28553 846 13 when when WRB 28553 846 14 the the DT 28553 846 15 piston piston NN 28553 846 16 has have VBZ 28553 846 17 just just RB 28553 846 18 completed complete VBN 28553 846 19 the the DT 28553 846 20 compression compression NN 28553 846 21 stroke stroke NN 28553 846 22 . . . 28553 847 1 Now now RB 28553 847 2 , , , 28553 847 3 the the DT 28553 847 4 actual actual JJ 28553 847 5 combustion combustion NN 28553 847 6 of of IN 28553 847 7 the the DT 28553 847 8 charge charge NN 28553 847 9 occupies occupy VBZ 28553 847 10 an an DT 28553 847 11 appreciable appreciable JJ 28553 847 12 time time NN 28553 847 13 , , , 28553 847 14 and and CC 28553 847 15 with with IN 28553 847 16 the the DT 28553 847 17 engine engine NN 28553 847 18 running run VBG 28553 847 19 at at IN 28553 847 20 high high JJ 28553 847 21 speed speed NN 28553 847 22 the the DT 28553 847 23 piston piston NN 28553 847 24 would would MD 28553 847 25 have have VB 28553 847 26 travelled travel VBN 28553 847 27 some some DT 28553 847 28 way way NN 28553 847 29 down down IN 28553 847 30 the the DT 28553 847 31 cylinder cylinder NN 28553 847 32 before before IN 28553 847 33 the the DT 28553 847 34 full full JJ 28553 847 35 force force NN 28553 847 36 of of IN 28553 847 37 the the DT 28553 847 38 explosion explosion NN 28553 847 39 was be VBD 28553 847 40 developed develop VBN 28553 847 41 . . . 28553 848 1 But but CC 28553 848 2 by by IN 28553 848 3 raising raise VBG 28553 848 4 lever lever NN 28553 848 5 L L NNP 28553 848 6 , , , 28553 848 7 the the DT 28553 848 8 position position NN 28553 848 9 of of IN 28553 848 10 W w NN 28553 848 11 may may MD 28553 848 12 be be VB 28553 848 13 so so RB 28553 848 14 altered alter VBN 28553 848 15 that that IN 28553 848 16 contact contact NN 28553 848 17 is be VBZ 28553 848 18 made make VBN 28553 848 19 slightly slightly RB 28553 848 20 _ _ NNP 28553 848 21 before before IN 28553 848 22 _ _ NNP 28553 848 23 the the DT 28553 848 24 compression compression NN 28553 848 25 stroke stroke NN 28553 848 26 is be VBZ 28553 848 27 complete complete JJ 28553 848 28 , , , 28553 848 29 so so IN 28553 848 30 that that IN 28553 848 31 the the DT 28553 848 32 charge charge NN 28553 848 33 is be VBZ 28553 848 34 fairly fairly RB 28553 848 35 alight alight VBN 28553 848 36 by by IN 28553 848 37 the the DT 28553 848 38 time time NN 28553 848 39 the the DT 28553 848 40 piston piston NN 28553 848 41 has have VBZ 28553 848 42 altered alter VBN 28553 848 43 its -PRON- PRP$ 28553 848 44 direction direction NN 28553 848 45 . . . 28553 849 1 This this DT 28553 849 2 is be VBZ 28553 849 3 called call VBN 28553 849 4 _ _ NNP 28553 849 5 advancing advance VBG 28553 849 6 _ _ NNP 28553 849 7 the the DT 28553 849 8 spark spark NN 28553 849 9 . . . 28553 850 1 GOVERNING govern VBG 28553 850 2 THE the DT 28553 850 3 ENGINE ENGINE NNS 28553 850 4 . . . 28553 851 1 There there EX 28553 851 2 are be VBP 28553 851 3 several several JJ 28553 851 4 methods method NNS 28553 851 5 of of IN 28553 851 6 controlling control VBG 28553 851 7 the the DT 28553 851 8 speed speed NN 28553 851 9 of of IN 28553 851 10 internal internal JJ 28553 851 11 - - HYPH 28553 851 12 combustion combustion NN 28553 851 13 engines engine NNS 28553 851 14 . . . 28553 852 1 The the DT 28553 852 2 operating operating NN 28553 852 3 mechanism mechanism NN 28553 852 4 in in IN 28553 852 5 most most JJS 28553 852 6 cases case NNS 28553 852 7 is be VBZ 28553 852 8 a a DT 28553 852 9 centrifugal centrifugal JJ 28553 852 10 ball ball NN 28553 852 11 - - HYPH 28553 852 12 governor governor NN 28553 852 13 . . . 28553 853 1 When when WRB 28553 853 2 the the DT 28553 853 3 speed speed NN 28553 853 4 has have VBZ 28553 853 5 reached reach VBN 28553 853 6 the the DT 28553 853 7 fixed fix VBN 28553 853 8 limit limit NN 28553 853 9 it -PRON- PRP 28553 853 10 either either CC 28553 853 11 ( ( -LRB- 28553 853 12 1 1 CD 28553 853 13 ) ) -RRB- 28553 853 14 raises raise VBZ 28553 853 15 the the DT 28553 853 16 exhaust exhaust NN 28553 853 17 valve valve NN 28553 853 18 , , , 28553 853 19 so so IN 28553 853 20 that that IN 28553 853 21 no no DT 28553 853 22 fresh fresh JJ 28553 853 23 charges charge NNS 28553 853 24 are be VBP 28553 853 25 drawn draw VBN 28553 853 26 in in RB 28553 853 27 ; ; : 28553 853 28 ( ( -LRB- 28553 853 29 2 2 LS 28553 853 30 ) ) -RRB- 28553 853 31 prevents prevent VBZ 28553 853 32 the the DT 28553 853 33 opening opening NN 28553 853 34 of of IN 28553 853 35 the the DT 28553 853 36 inlet inlet NN 28553 853 37 valve valve NN 28553 853 38 ; ; : 28553 853 39 or or CC 28553 853 40 ( ( -LRB- 28553 853 41 3 3 LS 28553 853 42 ) ) -RRB- 28553 853 43 throttles throttle NNS 28553 853 44 the the DT 28553 853 45 gas gas NN 28553 853 46 supply supply NN 28553 853 47 . . . 28553 854 1 The the DT 28553 854 2 last last JJ 28553 854 3 is be VBZ 28553 854 4 now now RB 28553 854 5 most most RBS 28553 854 6 commonly commonly RB 28553 854 7 used use VBN 28553 854 8 on on IN 28553 854 9 motor motor NN 28553 854 10 cars car NNS 28553 854 11 , , , 28553 854 12 in in IN 28553 854 13 conjunction conjunction NN 28553 854 14 with with IN 28553 854 15 some some DT 28553 854 16 device device NN 28553 854 17 for for IN 28553 854 18 putting put VBG 28553 854 19 it -PRON- PRP 28553 854 20 out out IN 28553 854 21 of of IN 28553 854 22 action action NN 28553 854 23 when when WRB 28553 854 24 the the DT 28553 854 25 driver driver NN 28553 854 26 wishes wish VBZ 28553 854 27 to to TO 28553 854 28 exceed exceed VB 28553 854 29 the the DT 28553 854 30 highest high JJS 28553 854 31 speed speed NN 28553 854 32 that that WDT 28553 854 33 it -PRON- PRP 28553 854 34 normally normally RB 28553 854 35 permits permit VBZ 28553 854 36 . . . 28553 855 1 [ [ -LRB- 28553 855 2 Illustration illustration NN 28553 855 3 : : : 28553 855 4 FIG FIG NNP 28553 855 5 . . . 28553 856 1 47.--One 47.--one CD 28553 856 2 form form NN 28553 856 3 of of IN 28553 856 4 governor governor NN 28553 856 5 used use VBN 28553 856 6 on on IN 28553 856 7 motor motor NN 28553 856 8 cars car NNS 28553 856 9 . . . 28553 856 10 ] ] -RRB- 28553 857 1 A a DT 28553 857 2 sketch sketch NN 28553 857 3 of of IN 28553 857 4 a a DT 28553 857 5 neat neat JJ 28553 857 6 governor governor NN 28553 857 7 , , , 28553 857 8 with with IN 28553 857 9 regulating regulating NN 28553 857 10 attachment attachment NN 28553 857 11 , , , 28553 857 12 is be VBZ 28553 857 13 given give VBN 28553 857 14 in in IN 28553 857 15 Fig Fig NNP 28553 857 16 . . . 28553 858 1 47 47 CD 28553 858 2 . . . 28553 859 1 The the DT 28553 859 2 governor governor NN 28553 859 3 shaft shaft NN 28553 859 4 is be VBZ 28553 859 5 driven drive VBN 28553 859 6 from from IN 28553 859 7 the the DT 28553 859 8 engine engine NN 28553 859 9 . . . 28553 860 1 As as IN 28553 860 2 the the DT 28553 860 3 balls ball NNS 28553 860 4 , , , 28553 860 5 B b NN 28553 860 6 B B NNP 28553 860 7 , , , 28553 860 8 increase increase VB 28553 860 9 their -PRON- PRP$ 28553 860 10 velocity velocity NN 28553 860 11 , , , 28553 860 12 they -PRON- PRP 28553 860 13 fly fly VBP 28553 860 14 away away RB 28553 860 15 from from IN 28553 860 16 the the DT 28553 860 17 shaft shaft NN 28553 860 18 and and CC 28553 860 19 move move VB 28553 860 20 the the DT 28553 860 21 arms arm NNS 28553 860 22 , , , 28553 860 23 A A NNP 28553 860 24 A A NNP 28553 860 25 , , , 28553 860 26 and and CC 28553 860 27 a a DT 28553 860 28 sliding slide VBG 28553 860 29 tube tube NN 28553 860 30 , , , 28553 860 31 C C NNP 28553 860 32 , , , 28553 860 33 towards towards IN 28553 860 34 the the DT 28553 860 35 right right NN 28553 860 36 . . . 28553 861 1 This this DT 28553 861 2 rocks rock VBZ 28553 861 3 the the DT 28553 861 4 lever lever NN 28553 861 5 R r NN 28553 861 6 , , , 28553 861 7 and and CC 28553 861 8 allows allow VBZ 28553 861 9 the the DT 28553 861 10 valves valve NNS 28553 861 11 in in IN 28553 861 12 the the DT 28553 861 13 inlet inlet NN 28553 861 14 pipe pipe NN 28553 861 15 to to TO 28553 861 16 close close VB 28553 861 17 and and CC 28553 861 18 reduce reduce VB 28553 861 19 the the DT 28553 861 20 supply supply NN 28553 861 21 of of IN 28553 861 22 air air NN 28553 861 23 and and CC 28553 861 24 gas gas NN 28553 861 25 . . . 28553 862 1 A a DT 28553 862 2 wedge wedge NN 28553 862 3 , , , 28553 862 4 W W NNP 28553 862 5 , , , 28553 862 6 which which WDT 28553 862 7 can can MD 28553 862 8 be be VB 28553 862 9 raised raise VBN 28553 862 10 or or CC 28553 862 11 lowered lower VBN 28553 862 12 by by IN 28553 862 13 lever lever NNP 28553 862 14 L L NNP 28553 862 15 , , , 28553 862 16 intervenes intervene NNS 28553 862 17 between between IN 28553 862 18 the the DT 28553 862 19 end end NN 28553 862 20 of of IN 28553 862 21 R r NN 28553 862 22 and and CC 28553 862 23 the the DT 28553 862 24 valve valve NN 28553 862 25 stem stem NN 28553 862 26 . . . 28553 863 1 If if IN 28553 863 2 this this DT 28553 863 3 lever lever NN 28553 863 4 be be VB 28553 863 5 lifted lift VBN 28553 863 6 to to IN 28553 863 7 its -PRON- PRP$ 28553 863 8 highest high JJS 28553 863 9 position position NN 28553 863 10 , , , 28553 863 11 the the DT 28553 863 12 governing govern VBG 28553 863 13 commences commence NNS 28553 863 14 at at IN 28553 863 15 a a DT 28553 863 16 lower low JJR 28553 863 17 speed speed NN 28553 863 18 , , , 28553 863 19 as as IN 28553 863 20 the the DT 28553 863 21 valve valve NN 28553 863 22 then then RB 28553 863 23 has have VBZ 28553 863 24 but but CC 28553 863 25 a a DT 28553 863 26 short short JJ 28553 863 27 distance distance NN 28553 863 28 to to TO 28553 863 29 travel travel VB 28553 863 30 before before IN 28553 863 31 closing close VBG 28553 863 32 completely completely RB 28553 863 33 . . . 28553 864 1 For for IN 28553 864 2 high high JJ 28553 864 3 speeds speed NNS 28553 864 4 the the DT 28553 864 5 driver driver NN 28553 864 6 depresses depress VBZ 28553 864 7 L L NNP 28553 864 8 , , , 28553 864 9 forces force VBZ 28553 864 10 the the DT 28553 864 11 wedge wedge NN 28553 864 12 down down RP 28553 864 13 , , , 28553 864 14 and and CC 28553 864 15 so so RB 28553 864 16 minimizes minimize VBZ 28553 864 17 the the DT 28553 864 18 effect effect NN 28553 864 19 of of IN 28553 864 20 the the DT 28553 864 21 governor governor NN 28553 864 22 . . . 28553 865 1 THE the DT 28553 865 2 CLUTCH CLUTCH NNP 28553 865 3 . . . 28553 866 1 The the DT 28553 866 2 engine engine NN 28553 866 3 shaft shaft NN 28553 866 4 has have VBZ 28553 866 5 on on IN 28553 866 6 its -PRON- PRP$ 28553 866 7 rear rear JJ 28553 866 8 end end NN 28553 866 9 the the DT 28553 866 10 fly fly NN 28553 866 11 - - HYPH 28553 866 12 wheel wheel NN 28553 866 13 , , , 28553 866 14 which which WDT 28553 866 15 has have VBZ 28553 866 16 a a DT 28553 866 17 broad broad JJ 28553 866 18 and and CC 28553 866 19 heavy heavy JJ 28553 866 20 rim rim NN 28553 866 21 , , , 28553 866 22 turned turn VBD 28553 866 23 to to IN 28553 866 24 a a DT 28553 866 25 conical conical JJ 28553 866 26 shape shape NN 28553 866 27 inside inside RB 28553 866 28 . . . 28553 867 1 Close close RB 28553 867 2 to to IN 28553 867 3 this this DT 28553 867 4 , , , 28553 867 5 revolving revolve VBG 28553 867 6 loosely loosely RB 28553 867 7 on on IN 28553 867 8 the the DT 28553 867 9 shaft shaft NN 28553 867 10 , , , 28553 867 11 is be VBZ 28553 867 12 the the DT 28553 867 13 clutch clutch NN 28553 867 14 plate plate NN 28553 867 15 , , , 28553 867 16 a a DT 28553 867 17 heavy heavy JJ 28553 867 18 disc disc NN 28553 867 19 with with IN 28553 867 20 a a DT 28553 867 21 broad broad JJ 28553 867 22 edge edge NN 28553 867 23 so so RB 28553 867 24 shaped shaped JJ 28553 867 25 as as IN 28553 867 26 to to TO 28553 867 27 fit fit VB 28553 867 28 the the DT 28553 867 29 inside inside NN 28553 867 30 of of IN 28553 867 31 a a DT 28553 867 32 fly fly NN 28553 867 33 - - HYPH 28553 867 34 wheel wheel NN 28553 867 35 . . . 28553 868 1 It -PRON- PRP 28553 868 2 is be VBZ 28553 868 3 generally generally RB 28553 868 4 faced face VBN 28553 868 5 with with IN 28553 868 6 leather leather NN 28553 868 7 . . . 28553 869 1 A a DT 28553 869 2 very very RB 28553 869 3 strong strong JJ 28553 869 4 spring spring NN 28553 869 5 presses press NNS 28553 869 6 the the DT 28553 869 7 plate plate NN 28553 869 8 into into IN 28553 869 9 the the DT 28553 869 10 fly fly NN 28553 869 11 - - HYPH 28553 869 12 wheel wheel NN 28553 869 13 , , , 28553 869 14 and and CC 28553 869 15 the the DT 28553 869 16 resulting result VBG 28553 869 17 friction friction NN 28553 869 18 is be VBZ 28553 869 19 sufficient sufficient JJ 28553 869 20 to to TO 28553 869 21 prevent prevent VB 28553 869 22 any any DT 28553 869 23 slip slip NN 28553 869 24 . . . 28553 870 1 Projections projection NNS 28553 870 2 on on IN 28553 870 3 the the DT 28553 870 4 rear rear NN 28553 870 5 of of IN 28553 870 6 the the DT 28553 870 7 clutch clutch NN 28553 870 8 engage engage NN 28553 870 9 with with IN 28553 870 10 the the DT 28553 870 11 gear gear NN 28553 870 12 - - HYPH 28553 870 13 box box NN 28553 870 14 shaft shaft NN 28553 870 15 . . . 28553 871 1 The the DT 28553 871 2 driver driver NN 28553 871 3 throws throw VBZ 28553 871 4 out out RP 28553 871 5 the the DT 28553 871 6 clutch clutch NN 28553 871 7 by by IN 28553 871 8 depressing depress VBG 28553 871 9 a a DT 28553 871 10 lever lever NN 28553 871 11 with with IN 28553 871 12 his -PRON- PRP$ 28553 871 13 foot foot NN 28553 871 14 . . . 28553 872 1 Some some DT 28553 872 2 clutches clutch NNS 28553 872 3 dispense dispense VBP 28553 872 4 with with IN 28553 872 5 the the DT 28553 872 6 leather leather NN 28553 872 7 lining lining NN 28553 872 8 . . . 28553 873 1 These these DT 28553 873 2 are be VBP 28553 873 3 termed term VBN 28553 873 4 _ _ NNP 28553 873 5 metal metal NN 28553 873 6 to to IN 28553 873 7 metal metal NN 28553 873 8 _ _ NNP 28553 873 9 clutches clutch NNS 28553 873 10 . . . 28553 874 1 THE the DT 28553 874 2 GEAR GEAR NNP 28553 874 3 - - HYPH 28553 874 4 BOX BOX NNP 28553 874 5 . . . 28553 875 1 We -PRON- PRP 28553 875 2 now now RB 28553 875 3 come come VBP 28553 875 4 to to IN 28553 875 5 a a DT 28553 875 6 very very RB 28553 875 7 interesting interesting JJ 28553 875 8 detail detail NN 28553 875 9 of of IN 28553 875 10 the the DT 28553 875 11 motor motor NN 28553 875 12 car car NN 28553 875 13 , , , 28553 875 14 the the DT 28553 875 15 gear gear NN 28553 875 16 - - HYPH 28553 875 17 box box NN 28553 875 18 . . . 28553 876 1 The the DT 28553 876 2 steam steam NN 28553 876 3 - - HYPH 28553 876 4 engine engine NN 28553 876 5 has have VBZ 28553 876 6 its -PRON- PRP$ 28553 876 7 speed speed NN 28553 876 8 increased increase VBN 28553 876 9 by by IN 28553 876 10 admitting admit VBG 28553 876 11 more more JJR 28553 876 12 steam steam NN 28553 876 13 to to IN 28553 876 14 the the DT 28553 876 15 cylinders cylinder NNS 28553 876 16 . . . 28553 877 1 But but CC 28553 877 2 an an DT 28553 877 3 explosion explosion NN 28553 877 4 engine engine NN 28553 877 5 must must MD 28553 877 6 be be VB 28553 877 7 run run VBN 28553 877 8 at at IN 28553 877 9 a a DT 28553 877 10 high high JJ 28553 877 11 speed speed NN 28553 877 12 to to TO 28553 877 13 develop develop VB 28553 877 14 its -PRON- PRP$ 28553 877 15 full full JJ 28553 877 16 power power NN 28553 877 17 , , , 28553 877 18 and and CC 28553 877 19 when when WRB 28553 877 20 heavier heavy JJR 28553 877 21 work work NN 28553 877 22 has have VBZ 28553 877 23 to to TO 28553 877 24 be be VB 28553 877 25 done do VBN 28553 877 26 on on IN 28553 877 27 a a DT 28553 877 28 hill hill NN 28553 877 29 it -PRON- PRP 28553 877 30 becomes become VBZ 28553 877 31 necessary necessary JJ 28553 877 32 to to TO 28553 877 33 alter alter VB 28553 877 34 the the DT 28553 877 35 speed speed NN 28553 877 36 ratio ratio NN 28553 877 37 of of IN 28553 877 38 engine engine NN 28553 877 39 to to IN 28553 877 40 driving driving NN 28553 877 41 - - HYPH 28553 877 42 wheels wheel NNS 28553 877 43 . . . 28553 878 1 Our -PRON- PRP$ 28553 878 2 illustration illustration NN 28553 878 3 ( ( -LRB- 28553 878 4 Fig fig NN 28553 878 5 . . . 28553 879 1 48 48 CD 28553 879 2 ) ) -RRB- 28553 879 3 gives give VBZ 28553 879 4 a a DT 28553 879 5 section section NN 28553 879 6 of of IN 28553 879 7 a a DT 28553 879 8 gear gear NN 28553 879 9 - - HYPH 28553 879 10 box box NN 28553 879 11 , , , 28553 879 12 which which WDT 28553 879 13 will will MD 28553 879 14 serve serve VB 28553 879 15 as as IN 28553 879 16 a a DT 28553 879 17 typical typical JJ 28553 879 18 example example NN 28553 879 19 . . . 28553 880 1 It -PRON- PRP 28553 880 2 provides provide VBZ 28553 880 3 three three CD 28553 880 4 forward forward RB 28553 880 5 speeds speed NNS 28553 880 6 and and CC 28553 880 7 one one CD 28553 880 8 reverse reverse NN 28553 880 9 . . . 28553 881 1 To to TO 28553 881 2 understand understand VB 28553 881 3 how how WRB 28553 881 4 it -PRON- PRP 28553 881 5 works work VBZ 28553 881 6 , , , 28553 881 7 we -PRON- PRP 28553 881 8 must must MD 28553 881 9 study study VB 28553 881 10 the the DT 28553 881 11 illustration illustration NN 28553 881 12 carefully carefully RB 28553 881 13 . . . 28553 882 1 Pinion pinion NN 28553 882 2 1 1 CD 28553 882 3 is be VBZ 28553 882 4 mounted mount VBN 28553 882 5 on on IN 28553 882 6 a a DT 28553 882 7 hollow hollow JJ 28553 882 8 shaft shaft NN 28553 882 9 turned turn VBN 28553 882 10 by by IN 28553 882 11 the the DT 28553 882 12 clutch clutch NN 28553 882 13 . . . 28553 883 1 Into into IN 28553 883 2 the the DT 28553 883 3 hollow hollow JJ 28553 883 4 shaft shaft NN 28553 883 5 projects project VBZ 28553 883 6 the the DT 28553 883 7 end end NN 28553 883 8 of of IN 28553 883 9 another another DT 28553 883 10 shaft shaft NN 28553 883 11 carrying carry VBG 28553 883 12 pinions pinion NNS 28553 883 13 6 6 CD 28553 883 14 and and CC 28553 883 15 4 4 CD 28553 883 16 . . . 28553 884 1 Pinion pinion NN 28553 884 2 6 6 CD 28553 884 3 slides slide VBZ 28553 884 4 up up RP 28553 884 5 and and CC 28553 884 6 down down IN 28553 884 7 this this DT 28553 884 8 shaft shaft NN 28553 884 9 , , , 28553 884 10 which which WDT 28553 884 11 is be VBZ 28553 884 12 square square JJ 28553 884 13 at at IN 28553 884 14 this this DT 28553 884 15 point point NN 28553 884 16 , , , 28553 884 17 but but CC 28553 884 18 round round RB 28553 884 19 inside inside IN 28553 884 20 the the DT 28553 884 21 _ _ NNP 28553 884 22 loose loose JJ 28553 884 23 _ _ NNP 28553 884 24 pinion pinion NN 28553 884 25 4 4 CD 28553 884 26 . . . 28553 885 1 Pinions pinion NNS 28553 885 2 2 2 CD 28553 885 3 and and CC 28553 885 4 3 3 CD 28553 885 5 are be VBP 28553 885 6 keyed keyed JJ 28553 885 7 to to IN 28553 885 8 a a DT 28553 885 9 square square JJ 28553 885 10 secondary secondary JJ 28553 885 11 shaft shaft NN 28553 885 12 , , , 28553 885 13 and and CC 28553 885 14 are be VBP 28553 885 15 respectively respectively RB 28553 885 16 always always RB 28553 885 17 in in IN 28553 885 18 gear gear NN 28553 885 19 with with IN 28553 885 20 1 1 CD 28553 885 21 and and CC 28553 885 22 4 4 CD 28553 885 23 ; ; : 28553 885 24 but but CC 28553 885 25 5 5 CD 28553 885 26 can can MD 28553 885 27 be be VB 28553 885 28 slid slide VBN 28553 885 29 backwards backwards RB 28553 885 30 and and CC 28553 885 31 forwards forwards RB 28553 885 32 so so IN 28553 885 33 as as IN 28553 885 34 to to TO 28553 885 35 engage engage VB 28553 885 36 or or CC 28553 885 37 disengage disengage VB 28553 885 38 with with IN 28553 885 39 6 6 CD 28553 885 40 . . . 28553 886 1 In in IN 28553 886 2 the the DT 28553 886 3 illustration illustration NN 28553 886 4 no no DT 28553 886 5 gear gear NN 28553 886 6 is be VBZ 28553 886 7 " " `` 28553 886 8 in in IN 28553 886 9 . . . 28553 886 10 " " '' 28553 887 1 If if IN 28553 887 2 the the DT 28553 887 3 engine engine NN 28553 887 4 is be VBZ 28553 887 5 working work VBG 28553 887 6 , , , 28553 887 7 1 1 CD 28553 887 8 revolves revolve VBZ 28553 887 9 2 2 CD 28553 887 10 , , , 28553 887 11 2 2 CD 28553 887 12 turns turn VBZ 28553 887 13 3 3 CD 28553 887 14 , , , 28553 887 15 and and CC 28553 887 16 3 3 CD 28553 887 17 revolves revolve NNS 28553 887 18 4 4 CD 28553 887 19 idly idly RB 28553 887 20 on on IN 28553 887 21 its -PRON- PRP$ 28553 887 22 shaft shaft NN 28553 887 23 . . . 28553 888 1 [ [ -LRB- 28553 888 2 Illustration illustration NN 28553 888 3 : : : 28553 888 4 FIG FIG NNP 28553 888 5 . . . 28553 889 1 48.--The 48.--the CD 28553 889 2 gear gear NN 28553 889 3 - - HYPH 28553 889 4 box box NN 28553 889 5 of of IN 28553 889 6 a a DT 28553 889 7 motor motor NN 28553 889 8 car car NN 28553 889 9 . . . 28553 889 10 ] ] -RRB- 28553 890 1 To to TO 28553 890 2 get get VB 28553 890 3 the the DT 28553 890 4 lowest low JJS 28553 890 5 , , , 28553 890 6 or or CC 28553 890 7 " " `` 28553 890 8 first first JJ 28553 890 9 , , , 28553 890 10 " " '' 28553 890 11 speed speed VB 28553 890 12 the the DT 28553 890 13 driver driver NN 28553 890 14 moves move VBZ 28553 890 15 his -PRON- PRP$ 28553 890 16 lever lever NN 28553 890 17 and and CC 28553 890 18 slides slide VBZ 28553 890 19 5 5 CD 28553 890 20 into into IN 28553 890 21 gear gear NN 28553 890 22 with with IN 28553 890 23 6 6 CD 28553 890 24 . . . 28553 891 1 The the DT 28553 891 2 transmission transmission NN 28553 891 3 then then RB 28553 891 4 is be VBZ 28553 891 5 : : : 28553 891 6 1 1 CD 28553 891 7 turns turn VBZ 28553 891 8 2 2 CD 28553 891 9 , , , 28553 891 10 2 2 CD 28553 891 11 turns turn VBZ 28553 891 12 5 5 CD 28553 891 13 , , , 28553 891 14 5 5 CD 28553 891 15 turns turn VBZ 28553 891 16 6 6 CD 28553 891 17 , , , 28553 891 18 6 6 CD 28553 891 19 turns turn VBZ 28553 891 20 the the DT 28553 891 21 propeller propeller NN 28553 891 22 shaft shaft NN 28553 891 23 through through IN 28553 891 24 the the DT 28553 891 25 universal universal JJ 28553 891 26 joint joint NN 28553 891 27 . . . 28553 892 1 For for IN 28553 892 2 the the DT 28553 892 3 second second JJ 28553 892 4 speed speed NN 28553 892 5 , , , 28553 892 6 5 5 CD 28553 892 7 and and CC 28553 892 8 6 6 CD 28553 892 9 are be VBP 28553 892 10 disengaged disengaged JJ 28553 892 11 , , , 28553 892 12 and and CC 28553 892 13 6 6 CD 28553 892 14 is be VBZ 28553 892 15 moved move VBN 28553 892 16 up up RP 28553 892 17 the the DT 28553 892 18 page page NN 28553 892 19 , , , 28553 892 20 as as IN 28553 892 21 it -PRON- PRP 28553 892 22 were be VBD 28553 892 23 , , , 28553 892 24 till till IN 28553 892 25 projections projection NNS 28553 892 26 on on IN 28553 892 27 it -PRON- PRP 28553 892 28 interlock interlock NN 28553 892 29 with with IN 28553 892 30 slots slot NNS 28553 892 31 in in IN 28553 892 32 4 4 CD 28553 892 33 ; ; : 28553 892 34 thus thus RB 28553 892 35 driving drive VBG 28553 892 36 1 1 CD 28553 892 37 , , , 28553 892 38 2 2 CD 28553 892 39 , , , 28553 892 40 3 3 CD 28553 892 41 , , , 28553 892 42 4 4 CD 28553 892 43 , , , 28553 892 44 shaft shaft NN 28553 892 45 . . . 28553 893 1 For for IN 28553 893 2 the the DT 28553 893 3 third third JJ 28553 893 4 , , , 28553 893 5 or or CC 28553 893 6 " " `` 28553 893 7 solid solid JJ 28553 893 8 , , , 28553 893 9 " " '' 28553 893 10 speed speed NN 28553 893 11 , , , 28553 893 12 6 6 CD 28553 893 13 is be VBZ 28553 893 14 pulled pull VBN 28553 893 15 down down RP 28553 893 16 into into IN 28553 893 17 connection connection NN 28553 893 18 with with IN 28553 893 19 1 1 CD 28553 893 20 , , , 28553 893 21 and and CC 28553 893 22 couples couple VBZ 28553 893 23 the the DT 28553 893 24 engine engine NN 28553 893 25 shaft shaft NN 28553 893 26 direct direct JJ 28553 893 27 to to IN 28553 893 28 the the DT 28553 893 29 propeller propeller NN 28553 893 30 shaft shaft NN 28553 893 31 . . . 28553 894 1 The the DT 28553 894 2 " " `` 28553 894 3 reverse reverse NN 28553 894 4 " " '' 28553 894 5 is be VBZ 28553 894 6 accomplished accomplish VBN 28553 894 7 by by IN 28553 894 8 raising raise VBG 28553 894 9 a a DT 28553 894 10 long long JJ 28553 894 11 pinion pinion NN 28553 894 12 , , , 28553 894 13 7 7 CD 28553 894 14 , , , 28553 894 15 which which WDT 28553 894 16 lies lie VBZ 28553 894 17 in in IN 28553 894 18 the the DT 28553 894 19 gear gear NN 28553 894 20 - - HYPH 28553 894 21 box box NN 28553 894 22 under under IN 28553 894 23 5 5 CD 28553 894 24 and and CC 28553 894 25 6 6 CD 28553 894 26 . . . 28553 895 1 The the DT 28553 895 2 drive drive NN 28553 895 3 then then RB 28553 895 4 is be VBZ 28553 895 5 1 1 CD 28553 895 6 , , , 28553 895 7 2 2 CD 28553 895 8 , , , 28553 895 9 5 5 CD 28553 895 10 , , , 28553 895 11 7 7 CD 28553 895 12 , , , 28553 895 13 6 6 CD 28553 895 14 . . . 28553 896 1 There there EX 28553 896 2 being be VBG 28553 896 3 an an DT 28553 896 4 odd odd JJ 28553 896 5 number number NN 28553 896 6 of of IN 28553 896 7 pinions pinion NNS 28553 896 8 now now RB 28553 896 9 engaged engage VBN 28553 896 10 , , , 28553 896 11 the the DT 28553 896 12 propeller propeller NN 28553 896 13 shaft shaft NN 28553 896 14 turns turn VBZ 28553 896 15 in in IN 28553 896 16 the the DT 28553 896 17 reverse reverse JJ 28553 896 18 direction direction NN 28553 896 19 to to IN 28553 896 20 that that DT 28553 896 21 of of IN 28553 896 22 the the DT 28553 896 23 engine engine NN 28553 896 24 shaft shaft NN 28553 896 25 . . . 28553 897 1 [ [ -LRB- 28553 897 2 Illustration illustration NN 28553 897 3 : : : 28553 897 4 FIG FIG NNP 28553 897 5 . . . 28553 898 1 49 49 CD 28553 898 2 . . . 28553 898 3 ] ] -RRB- 28553 899 1 THE the DT 28553 899 2 COMPENSATING COMPENSATING NNP 28553 899 3 GEAR GEAR NNP 28553 899 4 . . . 28553 900 1 Every every DT 28553 900 2 axle axle NN 28553 900 3 of of IN 28553 900 4 a a DT 28553 900 5 railway railway NN 28553 900 6 train train NN 28553 900 7 carries carry VBZ 28553 900 8 a a DT 28553 900 9 wheel wheel NN 28553 900 10 at at IN 28553 900 11 each each DT 28553 900 12 end end NN 28553 900 13 , , , 28553 900 14 rigidly rigidly RB 28553 900 15 attached attach VBN 28553 900 16 to to IN 28553 900 17 it -PRON- PRP 28553 900 18 . . . 28553 901 1 When when WRB 28553 901 2 rounding round VBG 28553 901 3 a a DT 28553 901 4 corner corner NN 28553 901 5 the the DT 28553 901 6 outside outside JJ 28553 901 7 wheel wheel NN 28553 901 8 has have VBZ 28553 901 9 further further RB 28553 901 10 to to TO 28553 901 11 travel travel VB 28553 901 12 than than IN 28553 901 13 the the DT 28553 901 14 other other JJ 28553 901 15 , , , 28553 901 16 and and CC 28553 901 17 consequently consequently RB 28553 901 18 one one CD 28553 901 19 or or CC 28553 901 20 both both DT 28553 901 21 wheels wheel NNS 28553 901 22 must must MD 28553 901 23 slip slip VB 28553 901 24 . . . 28553 902 1 The the DT 28553 902 2 curves curve NNS 28553 902 3 are be VBP 28553 902 4 made make VBN 28553 902 5 so so RB 28553 902 6 gentle gentle JJ 28553 902 7 , , , 28553 902 8 however however RB 28553 902 9 , , , 28553 902 10 that that IN 28553 902 11 the the DT 28553 902 12 amount amount NN 28553 902 13 of of IN 28553 902 14 slip slip NN 28553 902 15 is be VBZ 28553 902 16 very very RB 28553 902 17 small small JJ 28553 902 18 . . . 28553 903 1 But but CC 28553 903 2 with with IN 28553 903 3 a a DT 28553 903 4 traction traction NN 28553 903 5 - - HYPH 28553 903 6 engine engine NN 28553 903 7 , , , 28553 903 8 motor motor NN 28553 903 9 car car NN 28553 903 10 , , , 28553 903 11 or or CC 28553 903 12 tricycle tricycle NN 28553 903 13 the the DT 28553 903 14 case case NN 28553 903 15 is be VBZ 28553 903 16 different different JJ 28553 903 17 , , , 28553 903 18 for for IN 28553 903 19 all all DT 28553 903 20 have have VB 28553 903 21 to to TO 28553 903 22 describe describe VB 28553 903 23 circles circle NNS 28553 903 24 of of IN 28553 903 25 very very RB 28553 903 26 small small JJ 28553 903 27 diameter diameter NN 28553 903 28 in in IN 28553 903 29 proportion proportion NN 28553 903 30 to to IN 28553 903 31 the the DT 28553 903 32 length length NN 28553 903 33 of of IN 28553 903 34 the the DT 28553 903 35 vehicle vehicle NN 28553 903 36 . . . 28553 904 1 Therefore therefore RB 28553 904 2 in in IN 28553 904 3 every every DT 28553 904 4 case case NN 28553 904 5 a a DT 28553 904 6 _ _ NNP 28553 904 7 compensating compensating NN 28553 904 8 gear gear NN 28553 904 9 _ _ NNP 28553 904 10 is be VBZ 28553 904 11 fitted fit VBN 28553 904 12 , , , 28553 904 13 to to TO 28553 904 14 allow allow VB 28553 904 15 the the DT 28553 904 16 wheels wheel NNS 28553 904 17 to to TO 28553 904 18 turn turn VB 28553 904 19 at at IN 28553 904 20 different different JJ 28553 904 21 speeds speed NNS 28553 904 22 , , , 28553 904 23 while while IN 28553 904 24 permitting permit VBG 28553 904 25 them -PRON- PRP 28553 904 26 both both DT 28553 904 27 to to TO 28553 904 28 drive drive VB 28553 904 29 . . . 28553 905 1 Fig fig NN 28553 905 2 . . . 28553 906 1 49 49 CD 28553 906 2 is be VBZ 28553 906 3 an an DT 28553 906 4 exaggerated exaggerated JJ 28553 906 5 sketch sketch NN 28553 906 6 of of IN 28553 906 7 the the DT 28553 906 8 gear gear NN 28553 906 9 . . . 28553 907 1 The the DT 28553 907 2 axles axle NNS 28553 907 3 of of IN 28553 907 4 the the DT 28553 907 5 moving move VBG 28553 907 6 wheels wheel NNS 28553 907 7 turn turn VBP 28553 907 8 inside inside RB 28553 907 9 tubes tube NNS 28553 907 10 attached attach VBN 28553 907 11 to to IN 28553 907 12 the the DT 28553 907 13 springs spring NNS 28553 907 14 and and CC 28553 907 15 a a DT 28553 907 16 central central JJ 28553 907 17 casing casing NN 28553 907 18 ( ( -LRB- 28553 907 19 not not RB 28553 907 20 shown show VBN 28553 907 21 ) ) -RRB- 28553 907 22 , , , 28553 907 23 and and CC 28553 907 24 terminate terminate VB 28553 907 25 in in IN 28553 907 26 large large JJ 28553 907 27 bevel bevel NN 28553 907 28 - - HYPH 28553 907 29 wheels wheel NNS 28553 907 30 , , , 28553 907 31 C C NNP 28553 907 32 and and CC 28553 907 33 D. D. NNP 28553 907 34 Between between IN 28553 907 35 these these DT 28553 907 36 are be VBP 28553 907 37 small small JJ 28553 907 38 bevels bevel NNS 28553 907 39 mounted mount VBN 28553 907 40 on on IN 28553 907 41 a a DT 28553 907 42 shaft shaft NN 28553 907 43 supported support VBN 28553 907 44 by by IN 28553 907 45 the the DT 28553 907 46 driving driving NN 28553 907 47 drum drum NN 28553 907 48 . . . 28553 908 1 If if IN 28553 908 2 the the DT 28553 908 3 latter latter JJ 28553 908 4 be be VBP 28553 908 5 rotated rotate VBN 28553 908 6 , , , 28553 908 7 the the DT 28553 908 8 bevels bevel NNS 28553 908 9 would would MD 28553 908 10 turn turn VB 28553 908 11 C C NNP 28553 908 12 and and CC 28553 908 13 D d NN 28553 908 14 at at IN 28553 908 15 equal equal JJ 28553 908 16 speeds speed NNS 28553 908 17 , , , 28553 908 18 assuming assume VBG 28553 908 19 that that IN 28553 908 20 both both DT 28553 908 21 axles axle NNS 28553 908 22 revolve revolve VBP 28553 908 23 without without IN 28553 908 24 friction friction NN 28553 908 25 in in IN 28553 908 26 their -PRON- PRP$ 28553 908 27 bearings bearing NNS 28553 908 28 . . . 28553 909 1 We -PRON- PRP 28553 909 2 will will MD 28553 909 3 suppose suppose VB 28553 909 4 that that IN 28553 909 5 the the DT 28553 909 6 drum drum NN 28553 909 7 is be VBZ 28553 909 8 turned turn VBN 28553 909 9 50 50 CD 28553 909 10 times time NNS 28553 909 11 a a DT 28553 909 12 minute minute NN 28553 909 13 . . . 28553 910 1 Now now RB 28553 910 2 , , , 28553 910 3 if if IN 28553 910 4 one one CD 28553 910 5 wheel wheel NN 28553 910 6 be be VB 28553 910 7 held hold VBN 28553 910 8 , , , 28553 910 9 the the DT 28553 910 10 other other JJ 28553 910 11 will will MD 28553 910 12 revolve revolve VB 28553 910 13 100 100 CD 28553 910 14 times time NNS 28553 910 15 a a DT 28553 910 16 minute minute NN 28553 910 17 ; ; : 28553 910 18 or or CC 28553 910 19 , , , 28553 910 20 if if IN 28553 910 21 one one CD 28553 910 22 be be VB 28553 910 23 slowed slow VBN 28553 910 24 , , , 28553 910 25 the the DT 28553 910 26 other other JJ 28553 910 27 will will MD 28553 910 28 increase increase VB 28553 910 29 its -PRON- PRP$ 28553 910 30 speed speed NN 28553 910 31 by by IN 28553 910 32 a a DT 28553 910 33 corresponding corresponding JJ 28553 910 34 amount amount NN 28553 910 35 . . . 28553 911 1 The the DT 28553 911 2 _ _ NNP 28553 911 3 average average JJ 28553 911 4 _ _ NNP 28553 911 5 speed speed NN 28553 911 6 remains remain VBZ 28553 911 7 50 50 CD 28553 911 8 . . . 28553 912 1 It -PRON- PRP 28553 912 2 should should MD 28553 912 3 be be VB 28553 912 4 mentioned mention VBN 28553 912 5 that that IN 28553 912 6 drum drum NN 28553 912 7 A a DT 28553 912 8 has have VBZ 28553 912 9 incorporated incorporate VBN 28553 912 10 with with IN 28553 912 11 it -PRON- PRP 28553 912 12 on on IN 28553 912 13 the the DT 28553 912 14 outside outside JJ 28553 912 15 a a DT 28553 912 16 bevel bevel NN 28553 912 17 - - HYPH 28553 912 18 wheel wheel NN 28553 912 19 ( ( -LRB- 28553 912 20 not not RB 28553 912 21 shown show VBN 28553 912 22 ) ) -RRB- 28553 912 23 rotated rotate VBN 28553 912 24 by by IN 28553 912 25 a a DT 28553 912 26 smaller small JJR 28553 912 27 bevel bevel NN 28553 912 28 on on IN 28553 912 29 the the DT 28553 912 30 end end NN 28553 912 31 of of IN 28553 912 32 the the DT 28553 912 33 propeller propeller NN 28553 912 34 shaft shaft NN 28553 912 35 . . . 28553 913 1 THE the DT 28553 913 2 SILENCER SILENCER NNP 28553 913 3 . . . 28553 914 1 The the DT 28553 914 2 petrol petrol NN 28553 914 3 - - HYPH 28553 914 4 engine engine NN 28553 914 5 , , , 28553 914 6 as as IN 28553 914 7 now now RB 28553 914 8 used use VBN 28553 914 9 , , , 28553 914 10 emits emit VBZ 28553 914 11 the the DT 28553 914 12 products product NNS 28553 914 13 of of IN 28553 914 14 combustion combustion NN 28553 914 15 at at IN 28553 914 16 a a DT 28553 914 17 high high JJ 28553 914 18 pressure pressure NN 28553 914 19 . . . 28553 915 1 If if IN 28553 915 2 unchecked unchecked JJ 28553 915 3 , , , 28553 915 4 they -PRON- PRP 28553 915 5 expand expand VBP 28553 915 6 violently violently RB 28553 915 7 , , , 28553 915 8 and and CC 28553 915 9 cause cause VB 28553 915 10 a a DT 28553 915 11 partial partial JJ 28553 915 12 vacuum vacuum NN 28553 915 13 in in IN 28553 915 14 the the DT 28553 915 15 exhaust exhaust NN 28553 915 16 pipe pipe NN 28553 915 17 , , , 28553 915 18 into into IN 28553 915 19 which which WDT 28553 915 20 the the DT 28553 915 21 air air NN 28553 915 22 rushes rush VBZ 28553 915 23 back back RB 28553 915 24 with with IN 28553 915 25 such such JJ 28553 915 26 violence violence NN 28553 915 27 as as IN 28553 915 28 to to TO 28553 915 29 cause cause VB 28553 915 30 a a DT 28553 915 31 loud loud JJ 28553 915 32 noise noise NN 28553 915 33 . . . 28553 916 1 Devices device NNS 28553 916 2 called call VBD 28553 916 3 _ _ NNP 28553 916 4 silencers silencer NNS 28553 916 5 _ _ NNP 28553 916 6 are be VBP 28553 916 7 therefore therefore RB 28553 916 8 fitted fit VBN 28553 916 9 , , , 28553 916 10 to to TO 28553 916 11 render render VB 28553 916 12 the the DT 28553 916 13 escape escape NN 28553 916 14 more more RBR 28553 916 15 gradual gradual JJ 28553 916 16 , , , 28553 916 17 and and CC 28553 916 18 split split VBD 28553 916 19 it -PRON- PRP 28553 916 20 up up RP 28553 916 21 among among IN 28553 916 22 a a DT 28553 916 23 number number NN 28553 916 24 of of IN 28553 916 25 small small JJ 28553 916 26 apertures aperture NNS 28553 916 27 . . . 28553 917 1 The the DT 28553 917 2 simplest simple JJS 28553 917 3 form form NN 28553 917 4 of of IN 28553 917 5 silencer silencer NN 28553 917 6 is be VBZ 28553 917 7 a a DT 28553 917 8 cylindrical cylindrical JJ 28553 917 9 box box NN 28553 917 10 , , , 28553 917 11 with with IN 28553 917 12 a a DT 28553 917 13 number number NN 28553 917 14 of of IN 28553 917 15 finely finely RB 28553 917 16 perforated perforate VBN 28553 917 17 tubes tube NNS 28553 917 18 passing pass VBG 28553 917 19 from from IN 28553 917 20 end end NN 28553 917 21 to to IN 28553 917 22 end end NN 28553 917 23 of of IN 28553 917 24 it -PRON- PRP 28553 917 25 . . . 28553 918 1 The the DT 28553 918 2 exhaust exhaust NN 28553 918 3 gases gas NNS 28553 918 4 pouring pour VBG 28553 918 5 into into IN 28553 918 6 the the DT 28553 918 7 box box NN 28553 918 8 maintain maintain VBP 28553 918 9 a a DT 28553 918 10 constant constant JJ 28553 918 11 pressure pressure NN 28553 918 12 somewhat somewhat RB 28553 918 13 higher high JJR 28553 918 14 than than IN 28553 918 15 that that DT 28553 918 16 of of IN 28553 918 17 the the DT 28553 918 18 atmosphere atmosphere NN 28553 918 19 , , , 28553 918 20 but but CC 28553 918 21 as as IN 28553 918 22 the the DT 28553 918 23 gases gas NNS 28553 918 24 are be VBP 28553 918 25 escaping escape VBG 28553 918 26 from from IN 28553 918 27 it -PRON- PRP 28553 918 28 in in IN 28553 918 29 a a DT 28553 918 30 fairly fairly RB 28553 918 31 steady steady JJ 28553 918 32 stream stream NN 28553 918 33 the the DT 28553 918 34 noise noise NN 28553 918 35 becomes become VBZ 28553 918 36 a a DT 28553 918 37 gentle gentle JJ 28553 918 38 hiss hiss NN 28553 918 39 rather rather RB 28553 918 40 than than IN 28553 918 41 a a DT 28553 918 42 " " `` 28553 918 43 pop pop NN 28553 918 44 . . . 28553 918 45 " " '' 28553 919 1 There there EX 28553 919 2 are be VBP 28553 919 3 numerous numerous JJ 28553 919 4 types type NNS 28553 919 5 of of IN 28553 919 6 silencers silencer NNS 28553 919 7 , , , 28553 919 8 but but CC 28553 919 9 all all DT 28553 919 10 employ employ VBP 28553 919 11 this this DT 28553 919 12 principle principle NN 28553 919 13 in in IN 28553 919 14 one one CD 28553 919 15 form form NN 28553 919 16 or or CC 28553 919 17 another another DT 28553 919 18 . . . 28553 920 1 THE the DT 28553 920 2 BRAKES BRAKES NNP 28553 920 3 . . . 28553 921 1 Every every DT 28553 921 2 car car NN 28553 921 3 carries carry VBZ 28553 921 4 at at RB 28553 921 5 least least RBS 28553 921 6 two two CD 28553 921 7 brakes brake NNS 28553 921 8 of of IN 28553 921 9 band band NN 28553 921 10 pattern pattern NN 28553 921 11 -- -- : 28553 921 12 one one CD 28553 921 13 , , , 28553 921 14 usually usually RB 28553 921 15 worked work VBN 28553 921 16 by by IN 28553 921 17 a a DT 28553 921 18 side side JJ 28553 921 19 hand hand NN 28553 921 20 - - HYPH 28553 921 21 lever lever NN 28553 921 22 , , , 28553 921 23 acting act VBG 28553 921 24 on on IN 28553 921 25 the the DT 28553 921 26 axle axle NN 28553 921 27 or or CC 28553 921 28 hubs hub NNS 28553 921 29 of of IN 28553 921 30 the the DT 28553 921 31 driving driving NN 28553 921 32 - - HYPH 28553 921 33 wheel wheel NN 28553 921 34 ; ; : 28553 921 35 the the DT 28553 921 36 other other JJ 28553 921 37 , , , 28553 921 38 operated operate VBN 28553 921 39 by by IN 28553 921 40 the the DT 28553 921 41 foot foot NN 28553 921 42 , , , 28553 921 43 acting act VBG 28553 921 44 on on IN 28553 921 45 the the DT 28553 921 46 transmission transmission NN 28553 921 47 gear gear NN 28553 921 48 ( ( -LRB- 28553 921 49 see see VB 28553 921 50 Fig Fig NNP 28553 921 51 . . . 28553 922 1 48 48 CD 28553 922 2 ) ) -RRB- 28553 922 3 . . . 28553 923 1 The the DT 28553 923 2 latter latter JJ 28553 923 3 brake brake NN 28553 923 4 is be VBZ 28553 923 5 generally generally RB 28553 923 6 arranged arrange VBN 28553 923 7 to to TO 28553 923 8 withdraw withdraw VB 28553 923 9 the the DT 28553 923 10 clutch clutch NN 28553 923 11 simultaneously simultaneously RB 28553 923 12 . . . 28553 924 1 Tests test NNS 28553 924 2 have have VBP 28553 924 3 proved prove VBN 28553 924 4 that that IN 28553 924 5 even even RB 28553 924 6 heavy heavy JJ 28553 924 7 cars car NNS 28553 924 8 can can MD 28553 924 9 be be VB 28553 924 10 pulled pull VBN 28553 924 11 up up RP 28553 924 12 in in IN 28553 924 13 astonishingly astonishingly RB 28553 924 14 short short JJ 28553 924 15 distances distance NNS 28553 924 16 , , , 28553 924 17 considering consider VBG 28553 924 18 their -PRON- PRP$ 28553 924 19 rate rate NN 28553 924 20 of of IN 28553 924 21 travel travel NN 28553 924 22 . . . 28553 925 1 Trials trial NNS 28553 925 2 made make VBN 28553 925 3 in in IN 28553 925 4 the the DT 28553 925 5 United United NNP 28553 925 6 States States NNP 28553 925 7 with with IN 28553 925 8 a a DT 28553 925 9 touring tour VBG 28553 925 10 car car NN 28553 925 11 and and CC 28553 925 12 a a DT 28553 925 13 four four CD 28553 925 14 - - HYPH 28553 925 15 in in IN 28553 925 16 - - HYPH 28553 925 17 hand hand NN 28553 925 18 coach coach NN 28553 925 19 gave give VBD 28553 925 20 25 25 CD 28553 925 21 - - HYPH 28553 925 22 1/3 1/3 CD 28553 925 23 and and CC 28553 925 24 70 70 CD 28553 925 25 feet foot NNS 28553 925 26 respectively respectively RB 28553 925 27 for for IN 28553 925 28 the the DT 28553 925 29 distance distance NN 28553 925 30 in in IN 28553 925 31 which which WDT 28553 925 32 the the DT 28553 925 33 speed speed NN 28553 925 34 could could MD 28553 925 35 be be VB 28553 925 36 reduced reduce VBN 28553 925 37 from from IN 28553 925 38 sixteen sixteen CD 28553 925 39 miles mile NNS 28553 925 40 per per IN 28553 925 41 hour hour NN 28553 925 42 to to IN 28553 925 43 zero zero CD 28553 925 44 . . . 28553 926 1 SPEED SPEED NNP 28553 926 2 OF of IN 28553 926 3 CARS CARS NNP 28553 926 4 . . . 28553 927 1 As as IN 28553 927 2 regards regard VBZ 28553 927 3 speed speed NN 28553 927 4 , , , 28553 927 5 motor motor NN 28553 927 6 cars car NNS 28553 927 7 can can MD 28553 927 8 rival rival VB 28553 927 9 the the DT 28553 927 10 fastest fast JJS 28553 927 11 express express JJ 28553 927 12 trains train NNS 28553 927 13 , , , 28553 927 14 even even RB 28553 927 15 on on IN 28553 927 16 long long JJ 28553 927 17 journeys journey NNS 28553 927 18 . . . 28553 928 1 In in IN 28553 928 2 fact fact NN 28553 928 3 , , , 28553 928 4 feats feat NNS 28553 928 5 performed perform VBN 28553 928 6 during during IN 28553 928 7 the the DT 28553 928 8 Gordon Gordon NNP 28553 928 9 - - HYPH 28553 928 10 Bennett Bennett NNP 28553 928 11 and and CC 28553 928 12 other other JJ 28553 928 13 races race NNS 28553 928 14 have have VBP 28553 928 15 equalled equal VBN 28553 928 16 railway railway NN 28553 928 17 performances performance NNS 28553 928 18 over over IN 28553 928 19 equal equal JJ 28553 928 20 distances distance NNS 28553 928 21 . . . 28553 929 1 When when WRB 28553 929 2 we -PRON- PRP 28553 929 3 come come VBP 28553 929 4 to to IN 28553 929 5 record record NN 28553 929 6 speeds speed NNS 28553 929 7 , , , 28553 929 8 we -PRON- PRP 28553 929 9 find find VBP 28553 929 10 a a DT 28553 929 11 car car NN 28553 929 12 , , , 28553 929 13 specially specially RB 28553 929 14 built build VBN 28553 929 15 for for IN 28553 929 16 the the DT 28553 929 17 purpose purpose NN 28553 929 18 , , , 28553 929 19 covering cover VBG 28553 929 20 a a DT 28553 929 21 mile mile NN 28553 929 22 in in IN 28553 929 23 less less JJR 28553 929 24 than than IN 28553 929 25 half half PDT 28553 929 26 a a DT 28553 929 27 minute minute NN 28553 929 28 . . . 28553 930 1 A a DT 28553 930 2 speed speed NN 28553 930 3 of of IN 28553 930 4 over over IN 28553 930 5 120 120 CD 28553 930 6 miles mile NNS 28553 930 7 an an DT 28553 930 8 hour hour NN 28553 930 9 has have VBZ 28553 930 10 actually actually RB 28553 930 11 been be VBN 28553 930 12 reached reach VBN 28553 930 13 . . . 28553 931 1 Engines engine NNS 28553 931 2 of of IN 28553 931 3 150 150 CD 28553 931 4 h.p h.p NNP 28553 931 5 . . . 28553 932 1 can can MD 28553 932 2 now now RB 28553 932 3 be be VB 28553 932 4 packed pack VBN 28553 932 5 into into IN 28553 932 6 a a DT 28553 932 7 vehicle vehicle NN 28553 932 8 scaling scale VBG 28553 932 9 less less JJR 28553 932 10 than than IN 28553 932 11 1 1 CD 28553 932 12 - - HYPH 28553 932 13 1/2 1/2 CD 28553 932 14 tons ton NNS 28553 932 15 . . . 28553 933 1 Even even RB 28553 933 2 on on IN 28553 933 3 touring tour VBG 28553 933 4 cars car NNS 28553 933 5 are be VBP 28553 933 6 often often RB 28553 933 7 found find VBN 28553 933 8 engines engine NNS 28553 933 9 developing develop VBG 28553 933 10 40 40 CD 28553 933 11 to to TO 28553 933 12 60 60 CD 28553 933 13 h.p h.p NNP 28553 933 14 . . NNP 28553 933 15 , , , 28553 933 16 which which WDT 28553 933 17 force force VBP 28553 933 18 the the DT 28553 933 19 car car NN 28553 933 20 up up IN 28553 933 21 steep steep JJ 28553 933 22 hills hill NNS 28553 933 23 at at IN 28553 933 24 a a DT 28553 933 25 pace pace NN 28553 933 26 nothing nothing NN 28553 933 27 less less JJR 28553 933 28 than than IN 28553 933 29 astonishing astonish VBG 28553 933 30 . . . 28553 934 1 In in IN 28553 934 2 the the DT 28553 934 3 future future NN 28553 934 4 the the DT 28553 934 5 motor motor NN 28553 934 6 car car NN 28553 934 7 will will MD 28553 934 8 revolutionize revolutionize VB 28553 934 9 our -PRON- PRP$ 28553 934 10 modes mode NNS 28553 934 11 of of IN 28553 934 12 life life NN 28553 934 13 to to IN 28553 934 14 an an DT 28553 934 15 extent extent NN 28553 934 16 comparable comparable JJ 28553 934 17 to to IN 28553 934 18 the the DT 28553 934 19 changes change NNS 28553 934 20 effected effect VBN 28553 934 21 by by IN 28553 934 22 the the DT 28553 934 23 advent advent NN 28553 934 24 of of IN 28553 934 25 the the DT 28553 934 26 steam steam NN 28553 934 27 - - HYPH 28553 934 28 engine engine NN 28553 934 29 . . . 28553 935 1 Even even RB 28553 935 2 since since IN 28553 935 3 1896 1896 CD 28553 935 4 , , , 28553 935 5 when when WRB 28553 935 6 the the DT 28553 935 7 " " `` 28553 935 8 man man NN 28553 935 9 - - HYPH 28553 935 10 with with IN 28553 935 11 - - HYPH 28553 935 12 the the DT 28553 935 13 - - HYPH 28553 935 14 flag flag NN 28553 935 15 " " '' 28553 935 16 law law NN 28553 935 17 was be VBD 28553 935 18 abolished abolish VBN 28553 935 19 in in IN 28553 935 20 the the DT 28553 935 21 British British NNP 28553 935 22 Isles Isles NNPS 28553 935 23 , , , 28553 935 24 the the DT 28553 935 25 motor motor NN 28553 935 26 has have VBZ 28553 935 27 reduced reduce VBN 28553 935 28 distances distance NNS 28553 935 29 , , , 28553 935 30 opened open VBD 28553 935 31 up up RP 28553 935 32 country country NN 28553 935 33 districts district NNS 28553 935 34 , , , 28553 935 35 and and CC 28553 935 36 generally generally RB 28553 935 37 quickened quicken VBD 28553 935 38 the the DT 28553 935 39 pulses pulse NNS 28553 935 40 of of IN 28553 935 41 the the DT 28553 935 42 community community NN 28553 935 43 in in IN 28553 935 44 a a DT 28553 935 45 manner manner NN 28553 935 46 which which WDT 28553 935 47 makes make VBZ 28553 935 48 it -PRON- PRP 28553 935 49 hazardous hazardous JJ 28553 935 50 to to TO 28553 935 51 prophesy prophesy VB 28553 935 52 how how WRB 28553 935 53 the the DT 28553 935 54 next next JJ 28553 935 55 generation generation NN 28553 935 56 will will MD 28553 935 57 live live VB 28553 935 58 . . . 28553 936 1 _ _ NNP 28553 936 2 Note._--The Note._--The NNP 28553 936 3 author author NN 28553 936 4 is be VBZ 28553 936 5 much much RB 28553 936 6 indebted indebte VBN 28553 936 7 to to IN 28553 936 8 Mr. Mr. NNP 28553 936 9 Wilfrid Wilfrid NNP 28553 936 10 J. J. NNP 28553 936 11 Lineham Lineham NNP 28553 936 12 , , , 28553 936 13 M. M. NNP 28553 936 14 Inst Inst NNP 28553 936 15 . . . 28553 937 1 C.E. C.E. NNP 28553 937 2 , , , 28553 937 3 for for IN 28553 937 4 several several JJ 28553 937 5 of of IN 28553 937 6 the the DT 28553 937 7 illustrations illustration NNS 28553 937 8 which which WDT 28553 937 9 appear appear VBP 28553 937 10 in in IN 28553 937 11 the the DT 28553 937 12 above above JJ 28553 937 13 chapter chapter NN 28553 937 14 . . . 28553 938 1 [ [ -LRB- 28553 938 2 8 8 CD 28553 938 3 ] ] -RRB- 28553 938 4 Steam steam NN 28553 938 5 - - HYPH 28553 938 6 driven drive VBN 28553 938 7 cars car NNS 28553 938 8 are be VBP 28553 938 9 not not RB 28553 938 10 considered consider VBN 28553 938 11 in in IN 28553 938 12 this this DT 28553 938 13 chapter chapter NN 28553 938 14 , , , 28553 938 15 as as IN 28553 938 16 their -PRON- PRP$ 28553 938 17 principle principle NN 28553 938 18 is be VBZ 28553 938 19 much much RB 28553 938 20 the the DT 28553 938 21 same same JJ 28553 938 22 as as IN 28553 938 23 that that DT 28553 938 24 of of IN 28553 938 25 the the DT 28553 938 26 ordinary ordinary JJ 28553 938 27 locomotive locomotive JJ 28553 938 28 . . . 28553 939 1 [ [ -LRB- 28553 939 2 9 9 CD 28553 939 3 ] ] -RRB- 28553 939 4 On on IN 28553 939 5 some some DT 28553 939 6 cars car NNS 28553 939 7 natural natural JJ 28553 939 8 circulation circulation NN 28553 939 9 is be VBZ 28553 939 10 used use VBN 28553 939 11 , , , 28553 939 12 the the DT 28553 939 13 hot hot JJ 28553 939 14 water water NN 28553 939 15 flowing flow VBG 28553 939 16 from from IN 28553 939 17 the the DT 28553 939 18 top top NN 28553 939 19 of of IN 28553 939 20 the the DT 28553 939 21 cylinder cylinder NN 28553 939 22 to to IN 28553 939 23 the the DT 28553 939 24 tank tank NN 28553 939 25 , , , 28553 939 26 from from IN 28553 939 27 which which WDT 28553 939 28 it -PRON- PRP 28553 939 29 returns return VBZ 28553 939 30 , , , 28553 939 31 after after IN 28553 939 32 being be VBG 28553 939 33 cooled cool VBN 28553 939 34 , , , 28553 939 35 to to IN 28553 939 36 the the DT 28553 939 37 bottom bottom NN 28553 939 38 of of IN 28553 939 39 the the DT 28553 939 40 cylinder cylinder NN 28553 939 41 . . . 28553 940 1 [ [ -LRB- 28553 940 2 10 10 CD 28553 940 3 ] ] -RRB- 28553 940 4 For for IN 28553 940 5 explanation explanation NN 28553 940 6 of of IN 28553 940 7 the the DT 28553 940 8 induction induction NN 28553 940 9 coil coil NN 28553 940 10 , , , 28553 940 11 see see VB 28553 940 12 p. p. NN 28553 940 13 122 122 CD 28553 940 14 Chapter Chapter NNP 28553 940 15 V. V. NNP 28553 940 16 ELECTRICAL ELECTRICAL NNP 28553 940 17 APPARATUS APPARATUS NNP 28553 940 18 . . . 28553 941 1 What what WP 28553 941 2 is be VBZ 28553 941 3 electricity?--Forms electricity?--form NNS 28553 941 4 of of IN 28553 941 5 electricity electricity NN 28553 941 6 -- -- : 28553 941 7 Magnetism magnetism NN 28553 941 8 -- -- : 28553 941 9 The the DT 28553 941 10 permanent permanent JJ 28553 941 11 magnet magnet NN 28553 941 12 -- -- : 28553 941 13 Lines line NNS 28553 941 14 of of IN 28553 941 15 force force NN 28553 941 16 -- -- : 28553 941 17 Electro Electro NNP 28553 941 18 - - HYPH 28553 941 19 magnets magnet NNS 28553 941 20 -- -- : 28553 941 21 The the DT 28553 941 22 electric electric JJ 28553 941 23 bell bell NN 28553 941 24 -- -- : 28553 941 25 The the DT 28553 941 26 induction induction NN 28553 941 27 coil coil NN 28553 941 28 -- -- : 28553 941 29 The the DT 28553 941 30 condenser condenser NN 28553 941 31 -- -- : 28553 941 32 Transformation transformation NN 28553 941 33 of of IN 28553 941 34 current current NN 28553 941 35 -- -- : 28553 941 36 Uses use NNS 28553 941 37 of of IN 28553 941 38 the the DT 28553 941 39 induction induction NN 28553 941 40 coil coil NN 28553 941 41 . . . 28553 942 1 WHAT what WP 28553 942 2 IS be VBZ 28553 942 3 ELECTRICITY ELECTRICITY NNP 28553 942 4 ? ? . 28553 943 1 Of of IN 28553 943 2 the the DT 28553 943 3 ultimate ultimate JJ 28553 943 4 nature nature NN 28553 943 5 of of IN 28553 943 6 electricity electricity NN 28553 943 7 , , , 28553 943 8 as as IN 28553 943 9 of of IN 28553 943 10 that that DT 28553 943 11 of of IN 28553 943 12 heat heat NN 28553 943 13 and and CC 28553 943 14 light light NN 28553 943 15 , , , 28553 943 16 we -PRON- PRP 28553 943 17 are be VBP 28553 943 18 at at IN 28553 943 19 present present JJ 28553 943 20 ignorant ignorant NN 28553 943 21 . . . 28553 944 1 But but CC 28553 944 2 it -PRON- PRP 28553 944 3 has have VBZ 28553 944 4 been be VBN 28553 944 5 clearly clearly RB 28553 944 6 established establish VBN 28553 944 7 that that IN 28553 944 8 all all DT 28553 944 9 three three CD 28553 944 10 phenomena phenomenon NNS 28553 944 11 are be VBP 28553 944 12 but but CC 28553 944 13 manifestations manifestation NNS 28553 944 14 of of IN 28553 944 15 the the DT 28553 944 16 energy energy NN 28553 944 17 pervading pervade VBG 28553 944 18 the the DT 28553 944 19 universe universe NN 28553 944 20 . . . 28553 945 1 By by IN 28553 945 2 means mean NNS 28553 945 3 of of IN 28553 945 4 suitable suitable JJ 28553 945 5 apparatus apparatus NN 28553 945 6 one one CD 28553 945 7 form form NN 28553 945 8 can can MD 28553 945 9 be be VB 28553 945 10 converted convert VBN 28553 945 11 into into IN 28553 945 12 another another DT 28553 945 13 form form NN 28553 945 14 . . . 28553 946 1 The the DT 28553 946 2 heat heat NN 28553 946 3 of of IN 28553 946 4 fuel fuel NN 28553 946 5 burnt burn VBN 28553 946 6 in in IN 28553 946 7 a a DT 28553 946 8 boiler boiler NN 28553 946 9 furnace furnace NN 28553 946 10 develops develop VBZ 28553 946 11 mechanical mechanical JJ 28553 946 12 energy energy NN 28553 946 13 in in IN 28553 946 14 the the DT 28553 946 15 engine engine NN 28553 946 16 which which WDT 28553 946 17 the the DT 28553 946 18 boiler boiler NN 28553 946 19 feeds feed VBZ 28553 946 20 with with IN 28553 946 21 steam steam NN 28553 946 22 . . . 28553 947 1 The the DT 28553 947 2 engine engine NN 28553 947 3 revolves revolve VBZ 28553 947 4 a a DT 28553 947 5 dynamo dynamo NN 28553 947 6 , , , 28553 947 7 and and CC 28553 947 8 the the DT 28553 947 9 electric electric JJ 28553 947 10 current current NN 28553 947 11 thereby thereby RB 28553 947 12 generated generate VBN 28553 947 13 can can MD 28553 947 14 be be VB 28553 947 15 passed pass VBN 28553 947 16 through through IN 28553 947 17 wires wire NNS 28553 947 18 to to TO 28553 947 19 produce produce VB 28553 947 20 mechanical mechanical JJ 28553 947 21 motion motion NN 28553 947 22 , , , 28553 947 23 heat heat NN 28553 947 24 , , , 28553 947 25 or or CC 28553 947 26 light light NN 28553 947 27 . . . 28553 948 1 We -PRON- PRP 28553 948 2 must must MD 28553 948 3 remain remain VB 28553 948 4 content content JJ 28553 948 5 , , , 28553 948 6 therefore therefore RB 28553 948 7 , , , 28553 948 8 with with IN 28553 948 9 assuming assume VBG 28553 948 10 that that IN 28553 948 11 electricity electricity NN 28553 948 12 is be VBZ 28553 948 13 energy energy NN 28553 948 14 or or CC 28553 948 15 motion motion NN 28553 948 16 transmitted transmit VBN 28553 948 17 through through IN 28553 948 18 the the DT 28553 948 19 ether ether NN 28553 948 20 from from IN 28553 948 21 molecule molecule NN 28553 948 22 to to TO 28553 948 23 molecule molecule VB 28553 948 24 , , , 28553 948 25 or or CC 28553 948 26 from from IN 28553 948 27 atom atom NN 28553 948 28 to to IN 28553 948 29 atom atom NN 28553 948 30 , , , 28553 948 31 of of IN 28553 948 32 matter matter NN 28553 948 33 . . . 28553 949 1 Scientific scientific JJ 28553 949 2 investigation investigation NN 28553 949 3 has have VBZ 28553 949 4 taught teach VBN 28553 949 5 us -PRON- PRP 28553 949 6 how how WRB 28553 949 7 to to TO 28553 949 8 produce produce VB 28553 949 9 it -PRON- PRP 28553 949 10 at at IN 28553 949 11 will will NN 28553 949 12 , , , 28553 949 13 how how WRB 28553 949 14 to to TO 28553 949 15 harness harness VB 28553 949 16 it -PRON- PRP 28553 949 17 to to IN 28553 949 18 our -PRON- PRP$ 28553 949 19 uses use NNS 28553 949 20 , , , 28553 949 21 and and CC 28553 949 22 how how WRB 28553 949 23 to to TO 28553 949 24 measure measure VB 28553 949 25 it -PRON- PRP 28553 949 26 ; ; : 28553 949 27 but but CC 28553 949 28 not not RB 28553 949 29 _ _ VB 28553 949 30 what what WP 28553 949 31 _ _ IN 28553 949 32 it -PRON- PRP 28553 949 33 is be VBZ 28553 949 34 . . . 28553 950 1 That that DT 28553 950 2 question question NN 28553 950 3 may may MD 28553 950 4 , , , 28553 950 5 perhaps perhaps RB 28553 950 6 , , , 28553 950 7 remain remain VBP 28553 950 8 unanswered unanswered JJ 28553 950 9 till till IN 28553 950 10 the the DT 28553 950 11 end end NN 28553 950 12 of of IN 28553 950 13 human human JJ 28553 950 14 history history NN 28553 950 15 . . . 28553 951 1 A a DT 28553 951 2 great great JJ 28553 951 3 difficulty difficulty NN 28553 951 4 attending attend VBG 28553 951 5 the the DT 28553 951 6 explanation explanation NN 28553 951 7 of of IN 28553 951 8 electrical electrical JJ 28553 951 9 action action NN 28553 951 10 is be VBZ 28553 951 11 this this DT 28553 951 12 -- -- : 28553 951 13 that that IN 28553 951 14 , , , 28553 951 15 except except IN 28553 951 16 in in IN 28553 951 17 one one CD 28553 951 18 or or CC 28553 951 19 two two CD 28553 951 20 cases case NNS 28553 951 21 , , , 28553 951 22 no no DT 28553 951 23 comparison comparison NN 28553 951 24 can can MD 28553 951 25 be be VB 28553 951 26 established establish VBN 28553 951 27 between between IN 28553 951 28 it -PRON- PRP 28553 951 29 and and CC 28553 951 30 the the DT 28553 951 31 operation operation NN 28553 951 32 of of IN 28553 951 33 gases gas NNS 28553 951 34 and and CC 28553 951 35 fluids fluid NNS 28553 951 36 . . . 28553 952 1 When when WRB 28553 952 2 dealing deal VBG 28553 952 3 with with IN 28553 952 4 the the DT 28553 952 5 steam steam NN 28553 952 6 - - HYPH 28553 952 7 engine engine NN 28553 952 8 , , , 28553 952 9 any any DT 28553 952 10 ordinary ordinary JJ 28553 952 11 intelligence intelligence NN 28553 952 12 soon soon RB 28553 952 13 grasps grasp VBZ 28553 952 14 the the DT 28553 952 15 principles principle NNS 28553 952 16 which which WDT 28553 952 17 govern govern VBP 28553 952 18 the the DT 28553 952 19 use use NN 28553 952 20 of of IN 28553 952 21 steam steam NN 28553 952 22 in in IN 28553 952 23 cylinders cylinder NNS 28553 952 24 or or CC 28553 952 25 turbines turbine NNS 28553 952 26 . . . 28553 953 1 The the DT 28553 953 2 diagrams diagram NNS 28553 953 3 show show VBP 28553 953 4 , , , 28553 953 5 it -PRON- PRP 28553 953 6 is be VBZ 28553 953 7 hoped hope VBN 28553 953 8 , , , 28553 953 9 quite quite RB 28553 953 10 plainly plainly RB 28553 953 11 " " '' 28553 953 12 how how WRB 28553 953 13 it -PRON- PRP 28553 953 14 works work VBZ 28553 953 15 . . . 28553 953 16 " " '' 28553 954 1 But but CC 28553 954 2 electricity electricity NN 28553 954 3 is be VBZ 28553 954 4 elusive elusive JJ 28553 954 5 , , , 28553 954 6 invisible invisible JJ 28553 954 7 ; ; : 28553 954 8 and and CC 28553 954 9 the the DT 28553 954 10 greatest great JJS 28553 954 11 authorities authority NNS 28553 954 12 can can MD 28553 954 13 not not RB 28553 954 14 say say VB 28553 954 15 what what WP 28553 954 16 goes go VBZ 28553 954 17 on on RP 28553 954 18 at at IN 28553 954 19 the the DT 28553 954 20 poles pole NNS 28553 954 21 of of IN 28553 954 22 a a DT 28553 954 23 magnet magnet NN 28553 954 24 or or CC 28553 954 25 on on IN 28553 954 26 the the DT 28553 954 27 surface surface NN 28553 954 28 of of IN 28553 954 29 an an DT 28553 954 30 electrified electrify VBN 28553 954 31 body body NN 28553 954 32 . . . 28553 955 1 Even even RB 28553 955 2 the the DT 28553 955 3 existence existence NN 28553 955 4 of of IN 28553 955 5 " " `` 28553 955 6 negative negative JJ 28553 955 7 " " '' 28553 955 8 and and CC 28553 955 9 " " `` 28553 955 10 positive positive JJ 28553 955 11 " " '' 28553 955 12 electricity electricity NN 28553 955 13 is be VBZ 28553 955 14 problematical problematical JJ 28553 955 15 . . . 28553 956 1 However however RB 28553 956 2 , , , 28553 956 3 we -PRON- PRP 28553 956 4 see see VBP 28553 956 5 the the DT 28553 956 6 effects effect NNS 28553 956 7 , , , 28553 956 8 and and CC 28553 956 9 we -PRON- PRP 28553 956 10 know know VBP 28553 956 11 that that IN 28553 956 12 if if IN 28553 956 13 one one CD 28553 956 14 thing thing NN 28553 956 15 is be VBZ 28553 956 16 done do VBN 28553 956 17 another another DT 28553 956 18 thing thing NN 28553 956 19 happens happen VBZ 28553 956 20 ; ; : 28553 956 21 so so IN 28553 956 22 that that IN 28553 956 23 we -PRON- PRP 28553 956 24 are be VBP 28553 956 25 at at IN 28553 956 26 least least JJS 28553 956 27 able able JJ 28553 956 28 to to TO 28553 956 29 use use VB 28553 956 30 terms term NNS 28553 956 31 which which WDT 28553 956 32 , , , 28553 956 33 while while IN 28553 956 34 convenient convenient JJ 28553 956 35 , , , 28553 956 36 are be VBP 28553 956 37 not not RB 28553 956 38 at at IN 28553 956 39 present present JJ 28553 956 40 controverted controvert VBN 28553 956 41 by by IN 28553 956 42 scientific scientific JJ 28553 956 43 progress progress NN 28553 956 44 . . . 28553 957 1 FORMS form NNS 28553 957 2 OF of IN 28553 957 3 ELECTRICITY ELECTRICITY NNP 28553 957 4 . . . 28553 958 1 Rub rub VB 28553 958 2 a a DT 28553 958 3 vulcanite vulcanite JJ 28553 958 4 rod rod NN 28553 958 5 and and CC 28553 958 6 hold hold VB 28553 958 7 one one CD 28553 958 8 end end NN 28553 958 9 near near IN 28553 958 10 some some DT 28553 958 11 tiny tiny JJ 28553 958 12 pieces piece NNS 28553 958 13 of of IN 28553 958 14 paper paper NN 28553 958 15 . . . 28553 959 1 They -PRON- PRP 28553 959 2 fly fly VBP 28553 959 3 to to IN 28553 959 4 it -PRON- PRP 28553 959 5 , , , 28553 959 6 stick stick VB 28553 959 7 to to IN 28553 959 8 it -PRON- PRP 28553 959 9 for for IN 28553 959 10 a a DT 28553 959 11 time time NN 28553 959 12 , , , 28553 959 13 and and CC 28553 959 14 then then RB 28553 959 15 fall fall VB 28553 959 16 off off RP 28553 959 17 . . . 28553 960 1 The the DT 28553 960 2 rod rod NN 28553 960 3 was be VBD 28553 960 4 electrified electrify VBN 28553 960 5 -- -- : 28553 960 6 that that RB 28553 960 7 is is RB 28553 960 8 , , , 28553 960 9 its -PRON- PRP$ 28553 960 10 surface surface NN 28553 960 11 was be VBD 28553 960 12 affected affect VBN 28553 960 13 in in IN 28553 960 14 such such PDT 28553 960 15 a a DT 28553 960 16 way way NN 28553 960 17 as as IN 28553 960 18 to to TO 28553 960 19 be be VB 28553 960 20 in in IN 28553 960 21 a a DT 28553 960 22 state state NN 28553 960 23 of of IN 28553 960 24 molecular molecular JJ 28553 960 25 strain strain NN 28553 960 26 which which WDT 28553 960 27 the the DT 28553 960 28 contact contact NN 28553 960 29 of of IN 28553 960 30 the the DT 28553 960 31 paper paper NN 28553 960 32 fragments fragment NNS 28553 960 33 alleviated alleviate VBN 28553 960 34 . . . 28553 961 1 By by IN 28553 961 2 rubbing rub VBG 28553 961 3 large large JJ 28553 961 4 surfaces surface NNS 28553 961 5 and and CC 28553 961 6 collecting collect VBG 28553 961 7 the the DT 28553 961 8 electricity electricity NN 28553 961 9 in in IN 28553 961 10 suitable suitable JJ 28553 961 11 receivers receiver NNS 28553 961 12 the the DT 28553 961 13 strain strain NN 28553 961 14 can can MD 28553 961 15 be be VB 28553 961 16 made make VBN 28553 961 17 to to TO 28553 961 18 relieve relieve VB 28553 961 19 itself -PRON- PRP 28553 961 20 in in IN 28553 961 21 the the DT 28553 961 22 form form NN 28553 961 23 of of IN 28553 961 24 a a DT 28553 961 25 violent violent JJ 28553 961 26 discharge discharge NN 28553 961 27 accompanied accompany VBN 28553 961 28 by by IN 28553 961 29 a a DT 28553 961 30 bright bright JJ 28553 961 31 flash flash NN 28553 961 32 . . . 28553 962 1 This this DT 28553 962 2 form form NN 28553 962 3 of of IN 28553 962 4 electricity electricity NN 28553 962 5 is be VBZ 28553 962 6 known know VBN 28553 962 7 as as IN 28553 962 8 _ _ NNP 28553 962 9 static static NN 28553 962 10 _ _ NNP 28553 962 11 . . . 28553 963 1 Next next RB 28553 963 2 , , , 28553 963 3 place place VB 28553 963 4 a a DT 28553 963 5 copper copper NN 28553 963 6 plate plate NN 28553 963 7 and and CC 28553 963 8 a a DT 28553 963 9 zinc zinc NN 28553 963 10 plate plate NN 28553 963 11 into into IN 28553 963 12 a a DT 28553 963 13 jar jar NN 28553 963 14 full full JJ 28553 963 15 of of IN 28553 963 16 diluted diluted JJ 28553 963 17 sulphuric sulphuric JJ 28553 963 18 acid acid NN 28553 963 19 . . . 28553 964 1 If if IN 28553 964 2 a a DT 28553 964 3 wire wire NN 28553 964 4 be be VB 28553 964 5 attached attach VBN 28553 964 6 to to IN 28553 964 7 them -PRON- PRP 28553 964 8 a a DT 28553 964 9 current current NN 28553 964 10 of of IN 28553 964 11 electricity electricity NN 28553 964 12 is be VBZ 28553 964 13 said say VBN 28553 964 14 to to IN 28553 964 15 _ _ NNP 28553 964 16 flow flow NN 28553 964 17 _ _ NNP 28553 964 18 along along IN 28553 964 19 the the DT 28553 964 20 wire wire NN 28553 964 21 . . . 28553 965 1 We -PRON- PRP 28553 965 2 must must MD 28553 965 3 not not RB 28553 965 4 , , , 28553 965 5 however however RB 28553 965 6 , , , 28553 965 7 imagine imagine VB 28553 965 8 that that IN 28553 965 9 anything anything NN 28553 965 10 actually actually RB 28553 965 11 moves move VBZ 28553 965 12 along along IN 28553 965 13 inside inside IN 28553 965 14 the the DT 28553 965 15 wire wire NN 28553 965 16 , , , 28553 965 17 as as IN 28553 965 18 water water NN 28553 965 19 , , , 28553 965 20 steam steam NN 28553 965 21 , , , 28553 965 22 or or CC 28553 965 23 air air NN 28553 965 24 , , , 28553 965 25 passes pass VBZ 28553 965 26 through through IN 28553 965 27 a a DT 28553 965 28 pipe pipe NN 28553 965 29 . . . 28553 966 1 Professor Professor NNP 28553 966 2 Trowbridge Trowbridge NNP 28553 966 3 says,[11 says,[11 CD 28553 966 4 ] ] -RRB- 28553 966 5 " " `` 28553 966 6 No no DT 28553 966 7 other other JJ 28553 966 8 agency agency NN 28553 966 9 for for IN 28553 966 10 transmitting transmit VBG 28553 966 11 power power NN 28553 966 12 can can MD 28553 966 13 be be VB 28553 966 14 stopped stop VBN 28553 966 15 by by IN 28553 966 16 such such JJ 28553 966 17 slight slight JJ 28553 966 18 obstacles obstacle NNS 28553 966 19 as as IN 28553 966 20 electricity electricity NN 28553 966 21 . . . 28553 967 1 A a DT 28553 967 2 thin thin JJ 28553 967 3 sheet sheet NN 28553 967 4 of of IN 28553 967 5 paper paper NN 28553 967 6 placed place VBN 28553 967 7 across across IN 28553 967 8 a a DT 28553 967 9 tube tube NN 28553 967 10 conveying convey VBG 28553 967 11 compressed compress VBN 28553 967 12 air air NN 28553 967 13 would would MD 28553 967 14 be be VB 28553 967 15 instantly instantly RB 28553 967 16 ruptured rupture VBN 28553 967 17 . . . 28553 968 1 It -PRON- PRP 28553 968 2 would would MD 28553 968 3 take take VB 28553 968 4 a a DT 28553 968 5 wall wall NN 28553 968 6 of of IN 28553 968 7 steel steel NN 28553 968 8 at at IN 28553 968 9 least least JJS 28553 968 10 an an DT 28553 968 11 inch inch NN 28553 968 12 thick thick JJ 28553 968 13 to to TO 28553 968 14 stand stand VB 28553 968 15 the the DT 28553 968 16 pressure pressure NN 28553 968 17 of of IN 28553 968 18 steam steam NN 28553 968 19 which which WDT 28553 968 20 is be VBZ 28553 968 21 driving drive VBG 28553 968 22 a a DT 28553 968 23 10,000 10,000 CD 28553 968 24 horse horse NN 28553 968 25 - - HYPH 28553 968 26 power power NN 28553 968 27 engine engine NN 28553 968 28 . . . 28553 969 1 A a DT 28553 969 2 thin thin JJ 28553 969 3 layer layer NN 28553 969 4 of of IN 28553 969 5 dirt dirt NN 28553 969 6 beneath beneath IN 28553 969 7 the the DT 28553 969 8 wheels wheel NNS 28553 969 9 of of IN 28553 969 10 an an DT 28553 969 11 electric electric JJ 28553 969 12 car car NN 28553 969 13 can can MD 28553 969 14 prevent prevent VB 28553 969 15 the the DT 28553 969 16 current current JJ 28553 969 17 which which WDT 28553 969 18 propels propel VBZ 28553 969 19 the the DT 28553 969 20 car car NN 28553 969 21 from from IN 28553 969 22 passing pass VBG 28553 969 23 to to IN 28553 969 24 the the DT 28553 969 25 rail rail NN 28553 969 26 , , , 28553 969 27 and and CC 28553 969 28 then then RB 28553 969 29 back back RB 28553 969 30 to to IN 28553 969 31 the the DT 28553 969 32 power power NN 28553 969 33 - - HYPH 28553 969 34 house house NN 28553 969 35 . . . 28553 969 36 " " '' 28553 970 1 There there EX 28553 970 2 would would MD 28553 970 3 , , , 28553 970 4 indeed indeed RB 28553 970 5 , , , 28553 970 6 be be VB 28553 970 7 a a DT 28553 970 8 puncture puncture NN 28553 970 9 of of IN 28553 970 10 the the DT 28553 970 11 paper paper NN 28553 970 12 if if IN 28553 970 13 the the DT 28553 970 14 current current NN 28553 970 15 had have VBD 28553 970 16 a a DT 28553 970 17 sufficient sufficient JJ 28553 970 18 voltage voltage NN 28553 970 19 , , , 28553 970 20 or or CC 28553 970 21 pressure pressure NN 28553 970 22 ; ; : 28553 970 23 yet yet CC 28553 970 24 the the DT 28553 970 25 fact fact NN 28553 970 26 remains remain VBZ 28553 970 27 that that IN 28553 970 28 _ _ NNP 28553 970 29 current current JJ 28553 970 30 _ _ NNP 28553 970 31 electricity electricity NN 28553 970 32 can can MD 28553 970 33 be be VB 28553 970 34 very very RB 28553 970 35 easily easily RB 28553 970 36 confined confine VBN 28553 970 37 to to IN 28553 970 38 its -PRON- PRP$ 28553 970 39 conductor conductor NN 28553 970 40 by by IN 28553 970 41 means mean NNS 28553 970 42 of of IN 28553 970 43 some some DT 28553 970 44 insulating insulate VBG 28553 970 45 or or CC 28553 970 46 nonconducting nonconducte VBG 28553 970 47 envelope envelope NN 28553 970 48 . . . 28553 971 1 MAGNETISM MAGNETISM NNP 28553 971 2 . . . 28553 972 1 The the DT 28553 972 2 most most RBS 28553 972 3 familiar familiar JJ 28553 972 4 form form NN 28553 972 5 of of IN 28553 972 6 electricity electricity NN 28553 972 7 is be VBZ 28553 972 8 that that RB 28553 972 9 known know VBN 28553 972 10 as as IN 28553 972 11 magnetism magnetism NN 28553 972 12 . . . 28553 973 1 When when WRB 28553 973 2 a a DT 28553 973 3 bar bar NN 28553 973 4 of of IN 28553 973 5 steel steel NN 28553 973 6 or or CC 28553 973 7 iron iron NN 28553 973 8 is be VBZ 28553 973 9 magnetized magnetize VBN 28553 973 10 , , , 28553 973 11 it -PRON- PRP 28553 973 12 is be VBZ 28553 973 13 supposed suppose VBN 28553 973 14 that that IN 28553 973 15 the the DT 28553 973 16 molecules molecule NNS 28553 973 17 in in IN 28553 973 18 it -PRON- PRP 28553 973 19 turn turn VBP 28553 973 20 and and CC 28553 973 21 arrange arrange VB 28553 973 22 themselves -PRON- PRP 28553 973 23 with with IN 28553 973 24 all all PDT 28553 973 25 their -PRON- PRP$ 28553 973 26 north north NN 28553 973 27 - - HYPH 28553 973 28 seeking seek VBG 28553 973 29 poles pole NNS 28553 973 30 towards towards IN 28553 973 31 the the DT 28553 973 32 one one CD 28553 973 33 end end NN 28553 973 34 of of IN 28553 973 35 the the DT 28553 973 36 bar bar NN 28553 973 37 , , , 28553 973 38 and and CC 28553 973 39 their -PRON- PRP$ 28553 973 40 south south NN 28553 973 41 - - HYPH 28553 973 42 seeking seek VBG 28553 973 43 poles pole NNS 28553 973 44 towards towards IN 28553 973 45 the the DT 28553 973 46 other other JJ 28553 973 47 . . . 28553 974 1 If if IN 28553 974 2 the the DT 28553 974 3 bar bar NN 28553 974 4 is be VBZ 28553 974 5 balanced balance VBN 28553 974 6 freely freely RB 28553 974 7 on on IN 28553 974 8 a a DT 28553 974 9 pivot pivot NN 28553 974 10 , , , 28553 974 11 it -PRON- PRP 28553 974 12 comes come VBZ 28553 974 13 to to TO 28553 974 14 rest rest VB 28553 974 15 pointing point VBG 28553 974 16 north north NN 28553 974 17 and and CC 28553 974 18 south south NN 28553 974 19 ; ; : 28553 974 20 for for IN 28553 974 21 , , , 28553 974 22 the the DT 28553 974 23 earth earth NN 28553 974 24 being be VBG 28553 974 25 a a DT 28553 974 26 huge huge JJ 28553 974 27 magnet magnet NN 28553 974 28 , , , 28553 974 29 its -PRON- PRP$ 28553 974 30 north north NNP 28553 974 31 pole pole NN 28553 974 32 attracts attract VBZ 28553 974 33 all all PDT 28553 974 34 the the DT 28553 974 35 north north NN 28553 974 36 - - HYPH 28553 974 37 seeking seek VBG 28553 974 38 poles pole NNS 28553 974 39 of of IN 28553 974 40 the the DT 28553 974 41 molecules molecule NNS 28553 974 42 , , , 28553 974 43 and and CC 28553 974 44 its -PRON- PRP$ 28553 974 45 south south JJ 28553 974 46 poles pole VBZ 28553 974 47 the the DT 28553 974 48 south south RB 28553 974 49 - - HYPH 28553 974 50 seeking seek VBG 28553 974 51 poles pole NNS 28553 974 52 . . . 28553 975 1 ( ( -LRB- 28553 975 2 The the DT 28553 975 3 north-_seeking north-_seeke VBG 28553 975 4 _ _ NNP 28553 975 5 pole pole NN 28553 975 6 of of IN 28553 975 7 a a DT 28553 975 8 magnet magnet NN 28553 975 9 is be VBZ 28553 975 10 marked mark VBN 28553 975 11 N. N. NNP 28553 975 12 , , , 28553 975 13 though though IN 28553 975 14 it -PRON- PRP 28553 975 15 is be VBZ 28553 975 16 in in IN 28553 975 17 reality reality NN 28553 975 18 the the DT 28553 975 19 _ _ NNP 28553 975 20 south south NNP 28553 975 21 _ _ NNP 28553 975 22 pole pole NN 28553 975 23 ; ; : 28553 975 24 for for IN 28553 975 25 unlike unlike JJ 28553 975 26 poles pole NNS 28553 975 27 are be VBP 28553 975 28 mutually mutually RB 28553 975 29 attractive attractive JJ 28553 975 30 , , , 28553 975 31 and and CC 28553 975 32 like like IN 28553 975 33 poles poles NNPS 28553 975 34 repellent repellent NNP 28553 975 35 . . . 28553 975 36 ) ) -RRB- 28553 976 1 There there EX 28553 976 2 are be VBP 28553 976 3 two two CD 28553 976 4 forms form NNS 28553 976 5 of of IN 28553 976 6 magnet--_permanent magnet--_permanent `` 28553 976 7 _ _ NNP 28553 976 8 and and CC 28553 976 9 _ _ NNP 28553 976 10 temporary temporary JJ 28553 976 11 _ _ NNP 28553 976 12 . . . 28553 977 1 If if IN 28553 977 2 steel steel NN 28553 977 3 is be VBZ 28553 977 4 magnetized magnetize VBN 28553 977 5 , , , 28553 977 6 it -PRON- PRP 28553 977 7 remains remain VBZ 28553 977 8 so so RB 28553 977 9 ; ; : 28553 977 10 but but CC 28553 977 11 soft soft JJ 28553 977 12 iron iron NN 28553 977 13 loses lose VBZ 28553 977 14 practically practically RB 28553 977 15 all all PDT 28553 977 16 its -PRON- PRP$ 28553 977 17 magnetism magnetism NN 28553 977 18 as as RB 28553 977 19 soon soon RB 28553 977 20 as as IN 28553 977 21 the the DT 28553 977 22 cause cause NN 28553 977 23 of of IN 28553 977 24 magnetization magnetization NN 28553 977 25 is be VBZ 28553 977 26 withdrawn withdraw VBN 28553 977 27 . . . 28553 978 1 This this DT 28553 978 2 is be VBZ 28553 978 3 what what WP 28553 978 4 we -PRON- PRP 28553 978 5 should should MD 28553 978 6 expect expect VB 28553 978 7 ; ; : 28553 978 8 for for IN 28553 978 9 steel steel NN 28553 978 10 is be VBZ 28553 978 11 more more RBR 28553 978 12 closely closely RB 28553 978 13 compacted compacted JJ 28553 978 14 than than IN 28553 978 15 iron iron NN 28553 978 16 , , , 28553 978 17 and and CC 28553 978 18 the the DT 28553 978 19 molecules molecule NNS 28553 978 20 therefore therefore RB 28553 978 21 would would MD 28553 978 22 be be VB 28553 978 23 able able JJ 28553 978 24 to to TO 28553 978 25 turn turn VB 28553 978 26 about about RP 28553 978 27 more more RBR 28553 978 28 easily easily RB 28553 978 29 . . . 28553 979 1 [ [ -LRB- 28553 979 2 12 12 CD 28553 979 3 ] ] -RRB- 28553 979 4 It -PRON- PRP 28553 979 5 is be VBZ 28553 979 6 fortunate fortunate JJ 28553 979 7 for for IN 28553 979 8 us -PRON- PRP 28553 979 9 that that IN 28553 979 10 this this DT 28553 979 11 is be VBZ 28553 979 12 so so RB 28553 979 13 , , , 28553 979 14 since since IN 28553 979 15 on on IN 28553 979 16 the the DT 28553 979 17 rapid rapid JJ 28553 979 18 magnetization magnetization NN 28553 979 19 and and CC 28553 979 20 demagnetization demagnetization NN 28553 979 21 of of IN 28553 979 22 soft soft JJ 28553 979 23 iron iron NN 28553 979 24 depends depend VBZ 28553 979 25 the the DT 28553 979 26 action action NN 28553 979 27 of of IN 28553 979 28 many many JJ 28553 979 29 of of IN 28553 979 30 our -PRON- PRP$ 28553 979 31 electrical electrical JJ 28553 979 32 mechanisms mechanism NNS 28553 979 33 . . . 28553 980 1 THE the DT 28553 980 2 PERMANENT PERMANENT NNP 28553 980 3 MAGNET MAGNET NNP 28553 980 4 . . . 28553 981 1 Magnets magnet NNS 28553 981 2 are be VBP 28553 981 3 either either RB 28553 981 4 ( ( -LRB- 28553 981 5 1 1 LS 28553 981 6 ) ) -RRB- 28553 981 7 straight straight RB 28553 981 8 , , , 28553 981 9 in in IN 28553 981 10 which which WDT 28553 981 11 case case NN 28553 981 12 they -PRON- PRP 28553 981 13 are be VBP 28553 981 14 called call VBN 28553 981 15 bar bar NN 28553 981 16 magnets magnet NNS 28553 981 17 ; ; , 28553 981 18 or or CC 28553 981 19 ( ( -LRB- 28553 981 20 2 2 CD 28553 981 21 ) ) -RRB- 28553 981 22 of of IN 28553 981 23 horseshoe horseshoe NNP 28553 981 24 form form NNP 28553 981 25 , , , 28553 981 26 as as IN 28553 981 27 in in IN 28553 981 28 Figs Figs NNP 28553 981 29 . . . 28553 982 1 50 50 CD 28553 982 2 and and CC 28553 982 3 51 51 CD 28553 982 4 . . . 28553 983 1 By by IN 28553 983 2 bending bend VBG 28553 983 3 the the DT 28553 983 4 magnet magnet NN 28553 983 5 the the DT 28553 983 6 two two CD 28553 983 7 poles pole NNS 28553 983 8 are be VBP 28553 983 9 brought bring VBN 28553 983 10 close close RB 28553 983 11 together together RB 28553 983 12 , , , 28553 983 13 and and CC 28553 983 14 the the DT 28553 983 15 attraction attraction NN 28553 983 16 of of IN 28553 983 17 both both DT 28553 983 18 may may MD 28553 983 19 be be VB 28553 983 20 exercised exercise VBN 28553 983 21 simultaneously simultaneously RB 28553 983 22 on on IN 28553 983 23 a a DT 28553 983 24 bar bar NN 28553 983 25 of of IN 28553 983 26 steel steel NN 28553 983 27 or or CC 28553 983 28 iron iron NN 28553 983 29 . . . 28553 984 1 LINES LINES NNP 28553 984 2 OF of IN 28553 984 3 FORCE FORCE NNP 28553 984 4 . . . 28553 985 1 In in IN 28553 985 2 Fig Fig NNP 28553 985 3 . . . 28553 986 1 50 50 CD 28553 986 2 are be VBP 28553 986 3 seen see VBN 28553 986 4 a a DT 28553 986 5 number number NN 28553 986 6 of of IN 28553 986 7 dotted dotted JJ 28553 986 8 lines line NNS 28553 986 9 . . . 28553 987 1 These these DT 28553 987 2 are be VBP 28553 987 3 called call VBN 28553 987 4 _ _ NNP 28553 987 5 lines line NNS 28553 987 6 of of IN 28553 987 7 magnetic magnetic JJ 28553 987 8 force force NN 28553 987 9 _ _ NNP 28553 987 10 . . . 28553 988 1 If if IN 28553 988 2 you -PRON- PRP 28553 988 3 lay lay VBP 28553 988 4 a a DT 28553 988 5 sheet sheet NN 28553 988 6 of of IN 28553 988 7 paper paper NN 28553 988 8 on on IN 28553 988 9 a a DT 28553 988 10 horseshoe horseshoe NNP 28553 988 11 magnet magnet NN 28553 988 12 and and CC 28553 988 13 sprinkle sprinkle VB 28553 988 14 it -PRON- PRP 28553 988 15 with with IN 28553 988 16 iron iron NN 28553 988 17 dust dust NN 28553 988 18 , , , 28553 988 19 you -PRON- PRP 28553 988 20 will will MD 28553 988 21 at at IN 28553 988 22 once once RB 28553 988 23 notice notice VB 28553 988 24 how how WRB 28553 988 25 the the DT 28553 988 26 particles particle NNS 28553 988 27 arrange arrange VBP 28553 988 28 themselves -PRON- PRP 28553 988 29 in in IN 28553 988 30 curves curve NNS 28553 988 31 similar similar JJ 28553 988 32 in in IN 28553 988 33 shape shape NN 28553 988 34 to to IN 28553 988 35 those those DT 28553 988 36 shown show VBN 28553 988 37 in in IN 28553 988 38 the the DT 28553 988 39 illustration illustration NN 28553 988 40 . . . 28553 989 1 It -PRON- PRP 28553 989 2 is be VBZ 28553 989 3 supposed suppose VBN 28553 989 4 ( ( -LRB- 28553 989 5 it -PRON- PRP 28553 989 6 can can MD 28553 989 7 not not RB 28553 989 8 be be VB 28553 989 9 _ _ NNP 28553 989 10 proved prove VBD 28553 989 11 _ _ NNP 28553 989 12 ) ) -RRB- 28553 989 13 that that DT 28553 989 14 magnetic magnetic JJ 28553 989 15 force force NN 28553 989 16 streams stream VBZ 28553 989 17 away away RB 28553 989 18 from from IN 28553 989 19 the the DT 28553 989 20 N. N. NNP 28553 989 21 pole pole NN 28553 989 22 and and CC 28553 989 23 describes describe VBZ 28553 989 24 a a DT 28553 989 25 circular circular JJ 28553 989 26 course course NN 28553 989 27 through through IN 28553 989 28 the the DT 28553 989 29 air air NN 28553 989 30 back back RB 28553 989 31 to to IN 28553 989 32 the the DT 28553 989 33 S. S. NNP 28553 989 34 pole pole NN 28553 989 35 . . . 28553 990 1 The the DT 28553 990 2 same same JJ 28553 990 3 remark remark NN 28553 990 4 applies apply VBZ 28553 990 5 to to IN 28553 990 6 the the DT 28553 990 7 bar bar NN 28553 990 8 magnet magnet NN 28553 990 9 . . . 28553 991 1 ELECTRICAL electrical NN 28553 991 2 MAGNETS MAGNETS NNP 28553 991 3 . . . 28553 992 1 [ [ -LRB- 28553 992 2 Illustration illustration NN 28553 992 3 : : : 28553 992 4 FIG FIG NNP 28553 992 5 . . . 28553 993 1 50.--Permanent 50.--permanent CD 28553 993 2 magnet magnet NN 28553 993 3 , , , 28553 993 4 and and CC 28553 993 5 the the DT 28553 993 6 " " `` 28553 993 7 lines line NNS 28553 993 8 of of IN 28553 993 9 force force NN 28553 993 10 " " '' 28553 993 11 emanating emanate VBG 28553 993 12 from from IN 28553 993 13 it -PRON- PRP 28553 993 14 . . . 28553 993 15 ] ] -RRB- 28553 994 1 If if IN 28553 994 2 an an DT 28553 994 3 insulated insulated JJ 28553 994 4 wire wire NN 28553 994 5 is be VBZ 28553 994 6 wound wind VBN 28553 994 7 round round RB 28553 994 8 and and CC 28553 994 9 round round VB 28553 994 10 a a DT 28553 994 11 steel steel NN 28553 994 12 or or CC 28553 994 13 iron iron NN 28553 994 14 bar bar NN 28553 994 15 from from IN 28553 994 16 end end NN 28553 994 17 to to IN 28553 994 18 end end NN 28553 994 19 , , , 28553 994 20 and and CC 28553 994 21 has have VBZ 28553 994 22 its -PRON- PRP$ 28553 994 23 ends end NNS 28553 994 24 connected connect VBN 28553 994 25 to to IN 28553 994 26 the the DT 28553 994 27 terminals terminal NNS 28553 994 28 of of IN 28553 994 29 an an DT 28553 994 30 electric electric JJ 28553 994 31 battery battery NN 28553 994 32 , , , 28553 994 33 current current JJ 28553 994 34 rotates rotate NNS 28553 994 35 round round IN 28553 994 36 the the DT 28553 994 37 bar bar NN 28553 994 38 , , , 28553 994 39 and and CC 28553 994 40 the the DT 28553 994 41 bar bar NN 28553 994 42 is be VBZ 28553 994 43 magnetized magnetize VBN 28553 994 44 . . . 28553 995 1 By by IN 28553 995 2 increasing increase VBG 28553 995 3 the the DT 28553 995 4 strength strength NN 28553 995 5 and and CC 28553 995 6 volume volume NN 28553 995 7 of of IN 28553 995 8 the the DT 28553 995 9 current current NN 28553 995 10 , , , 28553 995 11 and and CC 28553 995 12 multiplying multiply VBG 28553 995 13 the the DT 28553 995 14 number number NN 28553 995 15 of of IN 28553 995 16 turns turn NNS 28553 995 17 of of IN 28553 995 18 wire wire NN 28553 995 19 , , , 28553 995 20 the the DT 28553 995 21 attractive attractive JJ 28553 995 22 force force NN 28553 995 23 of of IN 28553 995 24 the the DT 28553 995 25 magnet magnet NN 28553 995 26 is be VBZ 28553 995 27 increased increase VBN 28553 995 28 . . . 28553 996 1 Now now RB 28553 996 2 disconnect disconnect VB 28553 996 3 the the DT 28553 996 4 wires wire NNS 28553 996 5 from from IN 28553 996 6 the the DT 28553 996 7 battery battery NN 28553 996 8 . . . 28553 997 1 If if IN 28553 997 2 of of IN 28553 997 3 iron iron NN 28553 997 4 , , , 28553 997 5 the the DT 28553 997 6 magnet magnet NN 28553 997 7 at at IN 28553 997 8 once once RB 28553 997 9 loses lose VBZ 28553 997 10 its -PRON- PRP$ 28553 997 11 attractive attractive JJ 28553 997 12 force force NN 28553 997 13 ; ; : 28553 997 14 but but CC 28553 997 15 if if IN 28553 997 16 of of IN 28553 997 17 steel steel NN 28553 997 18 , , , 28553 997 19 it -PRON- PRP 28553 997 20 retains retain VBZ 28553 997 21 it -PRON- PRP 28553 997 22 in in IN 28553 997 23 part part NN 28553 997 24 . . . 28553 998 1 Instead instead RB 28553 998 2 of of IN 28553 998 3 a a DT 28553 998 4 simple simple JJ 28553 998 5 horseshoe horseshoe NN 28553 998 6 - - HYPH 28553 998 7 shaped shape VBN 28553 998 8 bar bar NN 28553 998 9 , , , 28553 998 10 two two CD 28553 998 11 shorter short JJR 28553 998 12 bars bar NNS 28553 998 13 riveted rivet VBN 28553 998 14 into into IN 28553 998 15 a a DT 28553 998 16 plate plate NN 28553 998 17 are be VBP 28553 998 18 generally generally RB 28553 998 19 used use VBN 28553 998 20 for for IN 28553 998 21 electromagnets electromagnet NNS 28553 998 22 of of IN 28553 998 23 this this DT 28553 998 24 type type NN 28553 998 25 . . . 28553 999 1 Coils coil NNS 28553 999 2 of of IN 28553 999 3 wire wire NN 28553 999 4 are be VBP 28553 999 5 wound wind VBN 28553 999 6 round round IN 28553 999 7 each each DT 28553 999 8 bar bar NN 28553 999 9 , , , 28553 999 10 and and CC 28553 999 11 connected connect VBN 28553 999 12 so so IN 28553 999 13 as as IN 28553 999 14 to to TO 28553 999 15 form form VB 28553 999 16 one one CD 28553 999 17 continuous continuous JJ 28553 999 18 whole whole NN 28553 999 19 ; ; : 28553 999 20 but but CC 28553 999 21 the the DT 28553 999 22 wire wire NN 28553 999 23 of of IN 28553 999 24 one one CD 28553 999 25 coil coil NN 28553 999 26 is be VBZ 28553 999 27 wound wind VBN 28553 999 28 in in IN 28553 999 29 the the DT 28553 999 30 direction direction NN 28553 999 31 opposite opposite JJ 28553 999 32 to to IN 28553 999 33 that that DT 28553 999 34 of of IN 28553 999 35 the the DT 28553 999 36 other other JJ 28553 999 37 . . . 28553 1000 1 The the DT 28553 1000 2 free free JJ 28553 1000 3 end end NN 28553 1000 4 of of IN 28553 1000 5 each each DT 28553 1000 6 goes go VBZ 28553 1000 7 to to IN 28553 1000 8 a a DT 28553 1000 9 battery battery NN 28553 1000 10 terminal terminal NN 28553 1000 11 . . . 28553 1001 1 In in IN 28553 1001 2 Fig Fig NNP 28553 1001 3 . . . 28553 1002 1 51 51 CD 28553 1002 2 you -PRON- PRP 28553 1002 3 will will MD 28553 1002 4 notice notice VB 28553 1002 5 that that IN 28553 1002 6 some some DT 28553 1002 7 of of IN 28553 1002 8 the the DT 28553 1002 9 " " `` 28553 1002 10 lines line NNS 28553 1002 11 of of IN 28553 1002 12 force force NN 28553 1002 13 " " '' 28553 1002 14 are be VBP 28553 1002 15 deflected deflect VBN 28553 1002 16 through through IN 28553 1002 17 the the DT 28553 1002 18 iron iron NN 28553 1002 19 bar bar NN 28553 1002 20 A. a. NN 28553 1003 1 They -PRON- PRP 28553 1003 2 pass pass VBP 28553 1003 3 more more RBR 28553 1003 4 easily easily RB 28553 1003 5 through through IN 28553 1003 6 iron iron NN 28553 1003 7 than than IN 28553 1003 8 through through IN 28553 1003 9 air air NN 28553 1003 10 ; ; : 28553 1003 11 and and CC 28553 1003 12 will will MD 28553 1003 13 choose choose VB 28553 1003 14 iron iron NN 28553 1003 15 by by IN 28553 1003 16 preference preference NN 28553 1003 17 . . . 28553 1004 1 The the DT 28553 1004 2 attraction attraction NN 28553 1004 3 exercised exercise VBN 28553 1004 4 by by IN 28553 1004 5 a a DT 28553 1004 6 magnet magnet NN 28553 1004 7 on on IN 28553 1004 8 iron iron NN 28553 1004 9 may may MD 28553 1004 10 be be VB 28553 1004 11 due due IN 28553 1004 12 to to IN 28553 1004 13 the the DT 28553 1004 14 effort effort NN 28553 1004 15 of of IN 28553 1004 16 the the DT 28553 1004 17 lines line NNS 28553 1004 18 of of IN 28553 1004 19 force force NN 28553 1004 20 to to TO 28553 1004 21 shorten shorten VB 28553 1004 22 their -PRON- PRP$ 28553 1004 23 paths path NNS 28553 1004 24 . . . 28553 1005 1 It -PRON- PRP 28553 1005 2 is be VBZ 28553 1005 3 evident evident JJ 28553 1005 4 that that IN 28553 1005 5 the the DT 28553 1005 6 closer close JJR 28553 1005 7 A a NN 28553 1005 8 comes come VBZ 28553 1005 9 to to IN 28553 1005 10 the the DT 28553 1005 11 poles pole NNS 28553 1005 12 of of IN 28553 1005 13 the the DT 28553 1005 14 magnet magnet NN 28553 1005 15 the the DT 28553 1005 16 less less JJR 28553 1005 17 will will MD 28553 1005 18 be be VB 28553 1005 19 the the DT 28553 1005 20 distance distance NN 28553 1005 21 to to TO 28553 1005 22 be be VB 28553 1005 23 travelled travel VBN 28553 1005 24 from from IN 28553 1005 25 one one CD 28553 1005 26 pole pole NN 28553 1005 27 to to IN 28553 1005 28 the the DT 28553 1005 29 bar bar NN 28553 1005 30 , , , 28553 1005 31 along along IN 28553 1005 32 it -PRON- PRP 28553 1005 33 , , , 28553 1005 34 and and CC 28553 1005 35 back back RB 28553 1005 36 to to IN 28553 1005 37 the the DT 28553 1005 38 other other JJ 28553 1005 39 pole pole NN 28553 1005 40 . . . 28553 1006 1 [ [ -LRB- 28553 1006 2 Illustration illustration NN 28553 1006 3 : : : 28553 1006 4 FIG FIG NNP 28553 1006 5 . . . 28553 1007 1 51.--Electro 51.--electro CD 28553 1007 2 - - HYPH 28553 1007 3 magnet magnet NN 28553 1007 4 : : : 28553 1007 5 A a NN 28553 1007 6 , , , 28553 1007 7 armature armature NN 28553 1007 8 ; ; : 28553 1007 9 B b NN 28553 1007 10 , , , 28553 1007 11 battery battery NN 28553 1007 12 . . . 28553 1007 13 ] ] -RRB- 28553 1008 1 Having have VBG 28553 1008 2 now now RB 28553 1008 3 considered consider VBN 28553 1008 4 electricity electricity NN 28553 1008 5 in in IN 28553 1008 6 three three CD 28553 1008 7 of of IN 28553 1008 8 its -PRON- PRP$ 28553 1008 9 forms form NNS 28553 1008 10 -- -- : 28553 1008 11 static static JJ 28553 1008 12 , , , 28553 1008 13 current current JJ 28553 1008 14 , , , 28553 1008 15 and and CC 28553 1008 16 rotatory rotatory NN 28553 1008 17 -- -- : 28553 1008 18 we -PRON- PRP 28553 1008 19 will will MD 28553 1008 20 pass pass VB 28553 1008 21 to to IN 28553 1008 22 some some DT 28553 1008 23 of of IN 28553 1008 24 its -PRON- PRP$ 28553 1008 25 applications application NNS 28553 1008 26 . . . 28553 1009 1 THE the DT 28553 1009 2 ELECTRIC ELECTRIC NNP 28553 1009 3 BELL BELL NNS 28553 1009 4 . . . 28553 1010 1 A a DT 28553 1010 2 fit fit JJ 28553 1010 3 device device NN 28553 1010 4 to to TO 28553 1010 5 begin begin VB 28553 1010 6 with with IN 28553 1010 7 is be VBZ 28553 1010 8 the the DT 28553 1010 9 Electric Electric NNP 28553 1010 10 Bell Bell NNP 28553 1010 11 , , , 28553 1010 12 which which WDT 28553 1010 13 has have VBZ 28553 1010 14 so so RB 28553 1010 15 largely largely RB 28553 1010 16 replaced replace VBN 28553 1010 17 wire wire NN 28553 1010 18 - - HYPH 28553 1010 19 pulled pull VBN 28553 1010 20 bells bell NNS 28553 1010 21 . . . 28553 1011 1 These these DT 28553 1011 2 last last JJ 28553 1011 3 cause cause VBP 28553 1011 4 a a DT 28553 1011 5 great great JJ 28553 1011 6 deal deal NN 28553 1011 7 of of IN 28553 1011 8 trouble trouble NN 28553 1011 9 sometimes sometimes RB 28553 1011 10 , , , 28553 1011 11 since since IN 28553 1011 12 if if IN 28553 1011 13 a a DT 28553 1011 14 wire wire NN 28553 1011 15 snaps snap VBZ 28553 1011 16 it -PRON- PRP 28553 1011 17 may may MD 28553 1011 18 be be VB 28553 1011 19 necessary necessary JJ 28553 1011 20 to to TO 28553 1011 21 take take VB 28553 1011 22 up up RP 28553 1011 23 carpets carpet NNS 28553 1011 24 and and CC 28553 1011 25 floor floor NN 28553 1011 26 - - HYPH 28553 1011 27 boards board NNS 28553 1011 28 to to TO 28553 1011 29 put put VB 28553 1011 30 things thing NNS 28553 1011 31 right right JJ 28553 1011 32 . . . 28553 1012 1 Their -PRON- PRP$ 28553 1012 2 installation installation NN 28553 1012 3 is be VBZ 28553 1012 4 not not RB 28553 1012 5 simple simple JJ 28553 1012 6 , , , 28553 1012 7 for for IN 28553 1012 8 at at IN 28553 1012 9 every every DT 28553 1012 10 corner corner NN 28553 1012 11 must must MD 28553 1012 12 be be VB 28553 1012 13 put put VBN 28553 1012 14 a a DT 28553 1012 15 crank crank NN 28553 1012 16 to to TO 28553 1012 17 alter alter VB 28553 1012 18 the the DT 28553 1012 19 direction direction NN 28553 1012 20 of of IN 28553 1012 21 the the DT 28553 1012 22 pull pull NN 28553 1012 23 , , , 28553 1012 24 and and CC 28553 1012 25 the the DT 28553 1012 26 cranks crank NNS 28553 1012 27 mean mean VBP 28553 1012 28 increased increase VBD 28553 1012 29 friction friction NN 28553 1012 30 . . . 28553 1013 1 But but CC 28553 1013 2 when when WRB 28553 1013 3 electric electric JJ 28553 1013 4 wires wire NNS 28553 1013 5 have have VBP 28553 1013 6 once once RB 28553 1013 7 been be VBN 28553 1013 8 properly properly RB 28553 1013 9 installed instal VBN 28553 1013 10 , , , 28553 1013 11 there there EX 28553 1013 12 should should MD 28553 1013 13 be be VB 28553 1013 14 no no DT 28553 1013 15 need need NN 28553 1013 16 for for IN 28553 1013 17 touching touch VBG 28553 1013 18 them -PRON- PRP 28553 1013 19 for for IN 28553 1013 20 an an DT 28553 1013 21 indefinite indefinite JJ 28553 1013 22 period period NN 28553 1013 23 . . . 28553 1014 1 They -PRON- PRP 28553 1014 2 can can MD 28553 1014 3 be be VB 28553 1014 4 taken take VBN 28553 1014 5 round round RB 28553 1014 6 as as IN 28553 1014 7 many many JJ 28553 1014 8 corners corner NNS 28553 1014 9 as as IN 28553 1014 10 you -PRON- PRP 28553 1014 11 wish wish VBP 28553 1014 12 without without IN 28553 1014 13 losing lose VBG 28553 1014 14 any any DT 28553 1014 15 of of IN 28553 1014 16 their -PRON- PRP$ 28553 1014 17 conductivity conductivity NN 28553 1014 18 , , , 28553 1014 19 and and CC 28553 1014 20 be be VB 28553 1014 21 placed place VBN 28553 1014 22 wherever wherever WRB 28553 1014 23 is be VBZ 28553 1014 24 most most RBS 28553 1014 25 convenient convenient JJ 28553 1014 26 for for IN 28553 1014 27 examination examination NN 28553 1014 28 . . . 28553 1015 1 One one CD 28553 1015 2 bell bell NN 28553 1015 3 may may MD 28553 1015 4 serve serve VB 28553 1015 5 a a DT 28553 1015 6 large large JJ 28553 1015 7 number number NN 28553 1015 8 of of IN 28553 1015 9 rooms room NNS 28553 1015 10 if if IN 28553 1015 11 an an DT 28553 1015 12 _ _ NNP 28553 1015 13 indicator indicator NN 28553 1015 14 _ _ NNP 28553 1015 15 be be VB 28553 1015 16 used use VBN 28553 1015 17 to to TO 28553 1015 18 show show VB 28553 1015 19 where where WRB 28553 1015 20 the the DT 28553 1015 21 call call NN 28553 1015 22 was be VBD 28553 1015 23 made make VBN 28553 1015 24 from from IN 28553 1015 25 , , , 28553 1015 26 by by IN 28553 1015 27 a a DT 28553 1015 28 card card NN 28553 1015 29 appearing appear VBG 28553 1015 30 in in IN 28553 1015 31 one one CD 28553 1015 32 of of IN 28553 1015 33 a a DT 28553 1015 34 number number NN 28553 1015 35 of of IN 28553 1015 36 small small JJ 28553 1015 37 windows window NNS 28553 1015 38 . . . 28553 1016 1 Before before IN 28553 1016 2 answering answer VBG 28553 1016 3 a a DT 28553 1016 4 call call NN 28553 1016 5 , , , 28553 1016 6 the the DT 28553 1016 7 attendant attendant JJ 28553 1016 8 presses press NNS 28553 1016 9 in in IN 28553 1016 10 a a DT 28553 1016 11 button button NN 28553 1016 12 to to TO 28553 1016 13 return return VB 28553 1016 14 the the DT 28553 1016 15 card card NN 28553 1016 16 to to IN 28553 1016 17 its -PRON- PRP$ 28553 1016 18 normal normal JJ 28553 1016 19 position position NN 28553 1016 20 . . . 28553 1017 1 In in IN 28553 1017 2 Fig Fig NNP 28553 1017 3 . . . 28553 1018 1 52 52 CD 28553 1018 2 we -PRON- PRP 28553 1018 3 have have VBP 28553 1018 4 a a DT 28553 1018 5 diagrammatic diagrammatic JJ 28553 1018 6 view view NN 28553 1018 7 of of IN 28553 1018 8 an an DT 28553 1018 9 electric electric JJ 28553 1018 10 bell bell NN 28553 1018 11 and and CC 28553 1018 12 current current NN 28553 1018 13 . . . 28553 1019 1 When when WRB 28553 1019 2 the the DT 28553 1019 3 bell bell NN 28553 1019 4 - - HYPH 28553 1019 5 push push NN 28553 1019 6 is be VBZ 28553 1019 7 pressed press VBN 28553 1019 8 in in IN 28553 1019 9 , , , 28553 1019 10 current current JJ 28553 1019 11 flows flow NNS 28553 1019 12 from from IN 28553 1019 13 the the DT 28553 1019 14 battery battery NN 28553 1019 15 to to IN 28553 1019 16 terminal terminal JJ 28553 1019 17 T^1 T^1 NNP 28553 1019 18 , , , 28553 1019 19 round round IN 28553 1019 20 the the DT 28553 1019 21 electro electro JJ 28553 1019 22 - - HYPH 28553 1019 23 magnet magnet NN 28553 1019 24 M m NN 28553 1019 25 , , , 28553 1019 26 through through IN 28553 1019 27 the the DT 28553 1019 28 pillar pillar NN 28553 1019 29 P p NN 28553 1019 30 and and CC 28553 1019 31 flat flat JJ 28553 1019 32 steel steel NN 28553 1019 33 springs spring NNS 28553 1019 34 S s NN 28553 1019 35 and and CC 28553 1019 36 B B NNP 28553 1019 37 , , , 28553 1019 38 through through IN 28553 1019 39 the the DT 28553 1019 40 platinum platinum NN 28553 1019 41 - - HYPH 28553 1019 42 pointed point VBN 28553 1019 43 screw screw NN 28553 1019 44 , , , 28553 1019 45 and and CC 28553 1019 46 back back RB 28553 1019 47 to to IN 28553 1019 48 the the DT 28553 1019 49 battery battery NN 28553 1019 50 through through IN 28553 1019 51 the the DT 28553 1019 52 push push NN 28553 1019 53 . . . 28553 1020 1 The the DT 28553 1020 2 circulation circulation NN 28553 1020 3 of of IN 28553 1020 4 current current JJ 28553 1020 5 magnetizes magnetize NNS 28553 1020 6 M M NNP 28553 1020 7 , , , 28553 1020 8 which which WDT 28553 1020 9 attracts attract VBZ 28553 1020 10 the the DT 28553 1020 11 iron iron NN 28553 1020 12 armature armature NN 28553 1020 13 A a DT 28553 1020 14 attached attach VBN 28553 1020 15 to to IN 28553 1020 16 the the DT 28553 1020 17 spring spring NN 28553 1020 18 S S NNP 28553 1020 19 , , , 28553 1020 20 and and CC 28553 1020 21 draws draw VBZ 28553 1020 22 the the DT 28553 1020 23 hammer hammer NN 28553 1020 24 H h NN 28553 1020 25 towards towards IN 28553 1020 26 the the DT 28553 1020 27 gong gong NN 28553 1020 28 . . . 28553 1021 1 Just just RB 28553 1021 2 before before IN 28553 1021 3 the the DT 28553 1021 4 stroke stroke NN 28553 1021 5 occurs occur VBZ 28553 1021 6 , , , 28553 1021 7 the the DT 28553 1021 8 spring spring NN 28553 1021 9 B b NN 28553 1021 10 leaves leave VBZ 28553 1021 11 the the DT 28553 1021 12 tip tip NN 28553 1021 13 of of IN 28553 1021 14 the the DT 28553 1021 15 screw screw NN 28553 1021 16 , , , 28553 1021 17 and and CC 28553 1021 18 the the DT 28553 1021 19 circuit circuit NN 28553 1021 20 is be VBZ 28553 1021 21 broken break VBN 28553 1021 22 , , , 28553 1021 23 so so IN 28553 1021 24 that that IN 28553 1021 25 the the DT 28553 1021 26 magnet magnet NN 28553 1021 27 no no RB 28553 1021 28 longer long RBR 28553 1021 29 attracts attract VBZ 28553 1021 30 . . . 28553 1022 1 H h NN 28553 1022 2 is be VBZ 28553 1022 3 carried carry VBN 28553 1022 4 by by IN 28553 1022 5 its -PRON- PRP$ 28553 1022 6 momentum momentum NN 28553 1022 7 against against IN 28553 1022 8 the the DT 28553 1022 9 gong gong NN 28553 1022 10 , , , 28553 1022 11 and and CC 28553 1022 12 is be VBZ 28553 1022 13 withdrawn withdraw VBN 28553 1022 14 by by IN 28553 1022 15 the the DT 28553 1022 16 spring spring NN 28553 1022 17 , , , 28553 1022 18 until until IN 28553 1022 19 B B NNP 28553 1022 20 once once RB 28553 1022 21 more more RBR 28553 1022 22 makes make VBZ 28553 1022 23 contact contact NN 28553 1022 24 , , , 28553 1022 25 and and CC 28553 1022 26 the the DT 28553 1022 27 magnet magnet NN 28553 1022 28 is be VBZ 28553 1022 29 re re VBN 28553 1022 30 - - VBN 28553 1022 31 excited excited JJ 28553 1022 32 . . . 28553 1023 1 The the DT 28553 1023 2 hammer hammer NN 28553 1023 3 vibrations vibration NNS 28553 1023 4 recur recur VBP 28553 1023 5 many many JJ 28553 1023 6 times time NNS 28553 1023 7 a a DT 28553 1023 8 second second JJ 28553 1023 9 as as RB 28553 1023 10 long long RB 28553 1023 11 as as IN 28553 1023 12 the the DT 28553 1023 13 push push NN 28553 1023 14 is be VBZ 28553 1023 15 pressed press VBN 28553 1023 16 in in RP 28553 1023 17 . . . 28553 1024 1 [ [ -LRB- 28553 1024 2 Illustration illustration NN 28553 1024 3 : : : 28553 1024 4 FIG FIG NNP 28553 1024 5 . . . 28553 1025 1 52.--Sketch 52.--sketch CD 28553 1025 2 of of IN 28553 1025 3 an an DT 28553 1025 4 electric electric JJ 28553 1025 5 - - HYPH 28553 1025 6 bell bell NN 28553 1025 7 circuit circuit NNP 28553 1025 8 . . . 28553 1025 9 ] ] -RRB- 28553 1026 1 The the DT 28553 1026 2 electric electric JJ 28553 1026 3 bell bell NN 28553 1026 4 is be VBZ 28553 1026 5 used use VBN 28553 1026 6 for for IN 28553 1026 7 so so RB 28553 1026 8 many many JJ 28553 1026 9 purposes purpose NNS 28553 1026 10 that that WDT 28553 1026 11 they -PRON- PRP 28553 1026 12 can can MD 28553 1026 13 not not RB 28553 1026 14 all all DT 28553 1026 15 be be VB 28553 1026 16 noted note VBN 28553 1026 17 . . . 28553 1027 1 It -PRON- PRP 28553 1027 2 plays play VBZ 28553 1027 3 an an DT 28553 1027 4 especially especially RB 28553 1027 5 important important JJ 28553 1027 6 part part NN 28553 1027 7 in in IN 28553 1027 8 telephonic telephonic JJ 28553 1027 9 installations installation NNS 28553 1027 10 to to TO 28553 1027 11 draw draw VB 28553 1027 12 the the DT 28553 1027 13 attention attention NN 28553 1027 14 of of IN 28553 1027 15 the the DT 28553 1027 16 subscribers subscriber NNS 28553 1027 17 , , , 28553 1027 18 forms form VBZ 28553 1027 19 an an DT 28553 1027 20 item item NN 28553 1027 21 in in IN 28553 1027 22 automatic automatic JJ 28553 1027 23 fire fire NN 28553 1027 24 and and CC 28553 1027 25 burglar burglar JJ 28553 1027 26 alarms alarm NNS 28553 1027 27 , , , 28553 1027 28 and and CC 28553 1027 29 is be VBZ 28553 1027 30 a a DT 28553 1027 31 necessary necessary JJ 28553 1027 32 adjunct adjunct NN 28553 1027 33 of of IN 28553 1027 34 railway railway NN 28553 1027 35 signalling signalling NN 28553 1027 36 cabins cabin NNS 28553 1027 37 . . . 28553 1028 1 THE the DT 28553 1028 2 INDUCTION INDUCTION NNP 28553 1028 3 OR or CC 28553 1028 4 RUHMKORFF RUHMKORFF NNP 28553 1028 5 COIL COIL NNP 28553 1028 6 . . . 28553 1029 1 Reference reference NN 28553 1029 2 was be VBD 28553 1029 3 made make VBN 28553 1029 4 in in IN 28553 1029 5 connection connection NN 28553 1029 6 with with IN 28553 1029 7 the the DT 28553 1029 8 electrical electrical JJ 28553 1029 9 ignition ignition NN 28553 1029 10 of of IN 28553 1029 11 internal internal JJ 28553 1029 12 - - HYPH 28553 1029 13 combustion combustion NN 28553 1029 14 engines engine NNS 28553 1029 15 ( ( -LRB- 28553 1029 16 p. p. NN 28553 1029 17 101 101 CD 28553 1029 18 ) ) -RRB- 28553 1029 19 to to IN 28553 1029 20 the the DT 28553 1029 21 _ _ NNP 28553 1029 22 induction induction NN 28553 1029 23 coil coil NN 28553 1029 24 _ _ NNP 28553 1029 25 . . . 28553 1030 1 This this DT 28553 1030 2 is be VBZ 28553 1030 3 a a DT 28553 1030 4 device device NN 28553 1030 5 for for IN 28553 1030 6 increasing increase VBG 28553 1030 7 the the DT 28553 1030 8 _ _ NNP 28553 1030 9 voltage voltage NN 28553 1030 10 _ _ NNP 28553 1030 11 , , , 28553 1030 12 or or CC 28553 1030 13 pressure pressure NN 28553 1030 14 , , , 28553 1030 15 of of IN 28553 1030 16 a a DT 28553 1030 17 current current NN 28553 1030 18 . . . 28553 1031 1 The the DT 28553 1031 2 two two CD 28553 1031 3 - - HYPH 28553 1031 4 cell cell NN 28553 1031 5 accumulator accumulator NN 28553 1031 6 carried carry VBN 28553 1031 7 in in IN 28553 1031 8 a a DT 28553 1031 9 motor motor NN 28553 1031 10 car car NN 28553 1031 11 gives give VBZ 28553 1031 12 a a DT 28553 1031 13 voltage voltage NN 28553 1031 14 ( ( -LRB- 28553 1031 15 otherwise otherwise RB 28553 1031 16 called call VBN 28553 1031 17 electro electro NNP 28553 1031 18 - - HYPH 28553 1031 19 motive motive JJ 28553 1031 20 force force NN 28553 1031 21 = = -RRB- 28553 1031 22 E.M.F. E.M.F. NNP 28553 1031 23 ) ) -RRB- 28553 1032 1 of of IN 28553 1032 2 4·4 4·4 CD 28553 1032 3 volts volt NNS 28553 1032 4 . . . 28553 1033 1 If if IN 28553 1033 2 you -PRON- PRP 28553 1033 3 attach attach VBP 28553 1033 4 a a DT 28553 1033 5 wire wire NN 28553 1033 6 to to IN 28553 1033 7 one one CD 28553 1033 8 terminal terminal NN 28553 1033 9 of of IN 28553 1033 10 the the DT 28553 1033 11 accumulator accumulator NN 28553 1033 12 and and CC 28553 1033 13 brush brush VB 28553 1033 14 the the DT 28553 1033 15 loose loose JJ 28553 1033 16 end end NN 28553 1033 17 rapidly rapidly RB 28553 1033 18 across across IN 28553 1033 19 the the DT 28553 1033 20 other other JJ 28553 1033 21 terminal terminal NN 28553 1033 22 , , , 28553 1033 23 you -PRON- PRP 28553 1033 24 will will MD 28553 1033 25 notice notice VB 28553 1033 26 that that IN 28553 1033 27 a a DT 28553 1033 28 bright bright JJ 28553 1033 29 spark spark NN 28553 1033 30 passes pass VBZ 28553 1033 31 between between IN 28553 1033 32 the the DT 28553 1033 33 wire wire NN 28553 1033 34 and and CC 28553 1033 35 the the DT 28553 1033 36 terminal terminal NN 28553 1033 37 . . . 28553 1034 1 In in IN 28553 1034 2 reality reality NN 28553 1034 3 there there EX 28553 1034 4 are be VBP 28553 1034 5 two two CD 28553 1034 6 sparks spark NNS 28553 1034 7 , , , 28553 1034 8 one one CD 28553 1034 9 when when WRB 28553 1034 10 they -PRON- PRP 28553 1034 11 touch touch VBP 28553 1034 12 , , , 28553 1034 13 and and CC 28553 1034 14 another another DT 28553 1034 15 when when WRB 28553 1034 16 they -PRON- PRP 28553 1034 17 separate separate VBP 28553 1034 18 , , , 28553 1034 19 but but CC 28553 1034 20 they -PRON- PRP 28553 1034 21 occur occur VBP 28553 1034 22 so so RB 28553 1034 23 closely closely RB 28553 1034 24 together together RB 28553 1034 25 that that IN 28553 1034 26 the the DT 28553 1034 27 eye eye NN 28553 1034 28 can can MD 28553 1034 29 not not RB 28553 1034 30 separate separate VB 28553 1034 31 the the DT 28553 1034 32 two two CD 28553 1034 33 impressions impression NNS 28553 1034 34 . . . 28553 1035 1 A a DT 28553 1035 2 spark spark NN 28553 1035 3 of of IN 28553 1035 4 this this DT 28553 1035 5 kind kind NN 28553 1035 6 would would MD 28553 1035 7 not not RB 28553 1035 8 be be VB 28553 1035 9 sufficiently sufficiently RB 28553 1035 10 hot hot JJ 28553 1035 11 to to TO 28553 1035 12 ignite ignite VB 28553 1035 13 a a DT 28553 1035 14 charge charge NN 28553 1035 15 in in IN 28553 1035 16 a a DT 28553 1035 17 motor motor NN 28553 1035 18 cylinder cylinder NN 28553 1035 19 , , , 28553 1035 20 and and CC 28553 1035 21 a a DT 28553 1035 22 spark spark NN 28553 1035 23 from from IN 28553 1035 24 the the DT 28553 1035 25 induction induction NN 28553 1035 26 coil coil NN 28553 1035 27 is be VBZ 28553 1035 28 therefore therefore RB 28553 1035 29 used use VBN 28553 1035 30 . . . 28553 1036 1 [ [ -LRB- 28553 1036 2 Illustration illustration NN 28553 1036 3 : : : 28553 1036 4 FIG FIG NNP 28553 1036 5 . . . 28553 1037 1 53.--Sketch 53.--sketch CD 28553 1037 2 of of IN 28553 1037 3 an an DT 28553 1037 4 induction induction NN 28553 1037 5 coil coil NN 28553 1037 6 . . . 28553 1037 7 ] ] -RRB- 28553 1038 1 We -PRON- PRP 28553 1038 2 give give VBP 28553 1038 3 a a DT 28553 1038 4 sketch sketch NN 28553 1038 5 of of IN 28553 1038 6 the the DT 28553 1038 7 induction induction NN 28553 1038 8 coil coil NN 28553 1038 9 in in IN 28553 1038 10 Fig Fig NNP 28553 1038 11 . . . 28553 1039 1 53 53 CD 28553 1039 2 . . . 28553 1040 1 It -PRON- PRP 28553 1040 2 consists consist VBZ 28553 1040 3 of of IN 28553 1040 4 a a DT 28553 1040 5 core core NN 28553 1040 6 of of IN 28553 1040 7 soft soft JJ 28553 1040 8 iron iron NN 28553 1040 9 wires wire NNS 28553 1040 10 round round RB 28553 1040 11 which which WDT 28553 1040 12 is be VBZ 28553 1040 13 wound wind VBN 28553 1040 14 a a DT 28553 1040 15 layer layer NN 28553 1040 16 of of IN 28553 1040 17 coarse coarse JJ 28553 1040 18 insulated insulated JJ 28553 1040 19 wire wire NN 28553 1040 20 , , , 28553 1040 21 denoted denote VBN 28553 1040 22 by by IN 28553 1040 23 the the DT 28553 1040 24 thick thick JJ 28553 1040 25 line line NN 28553 1040 26 . . . 28553 1041 1 One one CD 28553 1041 2 end end NN 28553 1041 3 of of IN 28553 1041 4 the the DT 28553 1041 5 winding winding NN 28553 1041 6 of of IN 28553 1041 7 this this DT 28553 1041 8 _ _ NNP 28553 1041 9 primary primary NN 28553 1041 10 _ _ NNP 28553 1041 11 coil coil NN 28553 1041 12 is be VBZ 28553 1041 13 attached attach VBN 28553 1041 14 to to IN 28553 1041 15 the the DT 28553 1041 16 battery battery NN 28553 1041 17 , , , 28553 1041 18 the the DT 28553 1041 19 other other JJ 28553 1041 20 to to IN 28553 1041 21 the the DT 28553 1041 22 base base NN 28553 1041 23 of of IN 28553 1041 24 a a DT 28553 1041 25 hammer hammer NN 28553 1041 26 , , , 28553 1041 27 H h NN 28553 1041 28 , , , 28553 1041 29 vibrating vibrate VBG 28553 1041 30 between between IN 28553 1041 31 the the DT 28553 1041 32 end end NN 28553 1041 33 of of IN 28553 1041 34 the the DT 28553 1041 35 core core NN 28553 1041 36 and and CC 28553 1041 37 a a DT 28553 1041 38 screw screw NN 28553 1041 39 , , , 28553 1041 40 S S NNP 28553 1041 41 , , , 28553 1041 42 passing pass VBG 28553 1041 43 through through IN 28553 1041 44 an an DT 28553 1041 45 upright upright JJ 28553 1041 46 , , , 28553 1041 47 T t NN 28553 1041 48 , , , 28553 1041 49 connected connect VBN 28553 1041 50 with with IN 28553 1041 51 the the DT 28553 1041 52 other other JJ 28553 1041 53 terminal terminal NN 28553 1041 54 of of IN 28553 1041 55 the the DT 28553 1041 56 battery battery NN 28553 1041 57 . . . 28553 1042 1 The the DT 28553 1042 2 action action NN 28553 1042 3 of of IN 28553 1042 4 the the DT 28553 1042 5 hammer hammer NN 28553 1042 6 is be VBZ 28553 1042 7 precisely precisely RB 28553 1042 8 the the DT 28553 1042 9 same same JJ 28553 1042 10 as as IN 28553 1042 11 that that DT 28553 1042 12 of of IN 28553 1042 13 the the DT 28553 1042 14 armature armature NN 28553 1042 15 of of IN 28553 1042 16 an an DT 28553 1042 17 electric electric JJ 28553 1042 18 bell bell NN 28553 1042 19 . . . 28553 1043 1 Outside outside IN 28553 1043 2 the the DT 28553 1043 3 primary primary JJ 28553 1043 4 coil coil NN 28553 1043 5 are be VBP 28553 1043 6 wound wind VBN 28553 1043 7 many many JJ 28553 1043 8 turns turn NNS 28553 1043 9 of of IN 28553 1043 10 a a DT 28553 1043 11 much much RB 28553 1043 12 finer fine JJR 28553 1043 13 wire wire NN 28553 1043 14 completely completely RB 28553 1043 15 insulated insulated JJ 28553 1043 16 from from IN 28553 1043 17 the the DT 28553 1043 18 primary primary JJ 28553 1043 19 coil coil NN 28553 1043 20 . . . 28553 1044 1 The the DT 28553 1044 2 ends end NNS 28553 1044 3 of of IN 28553 1044 4 this this DT 28553 1044 5 _ _ NNP 28553 1044 6 secondary secondary JJ 28553 1044 7 _ _ NNP 28553 1044 8 coil coil NN 28553 1044 9 are be VBP 28553 1044 10 attached attach VBN 28553 1044 11 to to IN 28553 1044 12 the the DT 28553 1044 13 objects object NNS 28553 1044 14 ( ( -LRB- 28553 1044 15 in in IN 28553 1044 16 the the DT 28553 1044 17 case case NN 28553 1044 18 of of IN 28553 1044 19 a a DT 28553 1044 20 motor motor NN 28553 1044 21 car car NN 28553 1044 22 , , , 28553 1044 23 the the DT 28553 1044 24 insulated insulated JJ 28553 1044 25 wire wire NN 28553 1044 26 of of IN 28553 1044 27 the the DT 28553 1044 28 sparking sparking NN 28553 1044 29 - - HYPH 28553 1044 30 plug plug NN 28553 1044 31 and and CC 28553 1044 32 a a DT 28553 1044 33 wire wire NN 28553 1044 34 projecting project VBG 28553 1044 35 from from IN 28553 1044 36 its -PRON- PRP$ 28553 1044 37 outer outer JJ 28553 1044 38 iron iron NN 28553 1044 39 casing casing NN 28553 1044 40 ) ) -RRB- 28553 1044 41 between between IN 28553 1044 42 which which WDT 28553 1044 43 a a DT 28553 1044 44 spark spark NN 28553 1044 45 has have VBZ 28553 1044 46 to to TO 28553 1044 47 pass pass VB 28553 1044 48 . . . 28553 1045 1 As as RB 28553 1045 2 soon soon RB 28553 1045 3 as as IN 28553 1045 4 H h NN 28553 1045 5 touches touch VBZ 28553 1045 6 S S NNP 28553 1045 7 the the DT 28553 1045 8 circuit circuit NN 28553 1045 9 is be VBZ 28553 1045 10 completed complete VBN 28553 1045 11 . . . 28553 1046 1 The the DT 28553 1046 2 core core NN 28553 1046 3 becomes become VBZ 28553 1046 4 a a DT 28553 1046 5 powerful powerful JJ 28553 1046 6 magnet magnet NN 28553 1046 7 with with IN 28553 1046 8 external external JJ 28553 1046 9 lines line NNS 28553 1046 10 of of IN 28553 1046 11 force force NN 28553 1046 12 passing pass VBG 28553 1046 13 from from IN 28553 1046 14 one one CD 28553 1046 15 pole pole NN 28553 1046 16 to to IN 28553 1046 17 the the DT 28553 1046 18 other other JJ 28553 1046 19 over over IN 28553 1046 20 and and CC 28553 1046 21 among among IN 28553 1046 22 the the DT 28553 1046 23 turns turn NNS 28553 1046 24 of of IN 28553 1046 25 the the DT 28553 1046 26 secondary secondary JJ 28553 1046 27 coil coil NN 28553 1046 28 . . . 28553 1047 1 H h NN 28553 1047 2 is be VBZ 28553 1047 3 almost almost RB 28553 1047 4 instantaneously instantaneously RB 28553 1047 5 attracted attract VBN 28553 1047 6 by by IN 28553 1047 7 the the DT 28553 1047 8 core core NN 28553 1047 9 , , , 28553 1047 10 and and CC 28553 1047 11 the the DT 28553 1047 12 break break NN 28553 1047 13 occurs occur VBZ 28553 1047 14 . . . 28553 1048 1 The the DT 28553 1048 2 lines line NNS 28553 1048 3 of of IN 28553 1048 4 force force NN 28553 1048 5 now now RB 28553 1048 6 ( ( -LRB- 28553 1048 7 at at IN 28553 1048 8 least least JJS 28553 1048 9 so so CC 28553 1048 10 it -PRON- PRP 28553 1048 11 is be VBZ 28553 1048 12 supposed suppose VBN 28553 1048 13 ) ) -RRB- 28553 1048 14 sink sink VB 28553 1048 15 into into IN 28553 1048 16 the the DT 28553 1048 17 core core NN 28553 1048 18 , , , 28553 1048 19 cutting cut VBG 28553 1048 20 through through IN 28553 1048 21 the the DT 28553 1048 22 turns turn NNS 28553 1048 23 of of IN 28553 1048 24 the the DT 28553 1048 25 " " `` 28553 1048 26 secondary secondary JJ 28553 1048 27 , , , 28553 1048 28 " " '' 28553 1048 29 and and CC 28553 1048 30 causing cause VBG 28553 1048 31 a a DT 28553 1048 32 powerful powerful JJ 28553 1048 33 current current NN 28553 1048 34 to to TO 28553 1048 35 flow flow VB 28553 1048 36 through through IN 28553 1048 37 them -PRON- PRP 28553 1048 38 . . . 28553 1049 1 The the DT 28553 1049 2 greater great JJR 28553 1049 3 the the DT 28553 1049 4 number number NN 28553 1049 5 of of IN 28553 1049 6 turns turn NNS 28553 1049 7 , , , 28553 1049 8 the the DT 28553 1049 9 greater great JJR 28553 1049 10 the the DT 28553 1049 11 number number NN 28553 1049 12 of of IN 28553 1049 13 times time NNS 28553 1049 14 the the DT 28553 1049 15 lines line NNS 28553 1049 16 of of IN 28553 1049 17 force force NN 28553 1049 18 are be VBP 28553 1049 19 cut cut VBN 28553 1049 20 , , , 28553 1049 21 and and CC 28553 1049 22 the the DT 28553 1049 23 stronger strong JJR 28553 1049 24 is be VBZ 28553 1049 25 the the DT 28553 1049 26 current current NN 28553 1049 27 . . . 28553 1050 1 If if IN 28553 1050 2 sufficiently sufficiently RB 28553 1050 3 intense intense JJ 28553 1050 4 , , , 28553 1050 5 it -PRON- PRP 28553 1050 6 jumps jump VBZ 28553 1050 7 any any DT 28553 1050 8 gap gap NN 28553 1050 9 in in IN 28553 1050 10 the the DT 28553 1050 11 secondary secondary JJ 28553 1050 12 circuit circuit NN 28553 1050 13 , , , 28553 1050 14 heating heat VBG 28553 1050 15 the the DT 28553 1050 16 intermediate intermediate JJ 28553 1050 17 air air NN 28553 1050 18 to to IN 28553 1050 19 a a DT 28553 1050 20 state state NN 28553 1050 21 of of IN 28553 1050 22 incandescence incandescence NN 28553 1050 23 . . . 28553 1051 1 THE the DT 28553 1051 2 CONDENSER CONDENSER NNP 28553 1051 3 . . . 28553 1052 1 The the DT 28553 1052 2 sudden sudden JJ 28553 1052 3 parting parting NN 28553 1052 4 of of IN 28553 1052 5 H h NN 28553 1052 6 and and CC 28553 1052 7 S S NNP 28553 1052 8 would would MD 28553 1052 9 produce produce VB 28553 1052 10 strong strong JJ 28553 1052 11 sparking sparking NN 28553 1052 12 across across IN 28553 1052 13 the the DT 28553 1052 14 gap gap NN 28553 1052 15 between between IN 28553 1052 16 them -PRON- PRP 28553 1052 17 if if IN 28553 1052 18 it -PRON- PRP 28553 1052 19 were be VBD 28553 1052 20 not not RB 28553 1052 21 for for IN 28553 1052 22 the the DT 28553 1052 23 condenser condenser NN 28553 1052 24 , , , 28553 1052 25 which which WDT 28553 1052 26 consists consist VBZ 28553 1052 27 of of IN 28553 1052 28 a a DT 28553 1052 29 number number NN 28553 1052 30 of of IN 28553 1052 31 tinfoil tinfoil NN 28553 1052 32 sheets sheet NNS 28553 1052 33 separated separate VBN 28553 1052 34 by by IN 28553 1052 35 layers layer NNS 28553 1052 36 of of IN 28553 1052 37 paraffined paraffined JJ 28553 1052 38 paper paper NN 28553 1052 39 . . . 28553 1053 1 All all PDT 28553 1053 2 the the DT 28553 1053 3 " " `` 28553 1053 4 odd odd JJ 28553 1053 5 " " '' 28553 1053 6 sheets sheet NNS 28553 1053 7 are be VBP 28553 1053 8 connected connect VBN 28553 1053 9 with with IN 28553 1053 10 T T NNP 28553 1053 11 , , , 28553 1053 12 all all PDT 28553 1053 13 the the DT 28553 1053 14 " " `` 28553 1053 15 even even RB 28553 1053 16 " " '' 28553 1053 17 with with IN 28553 1053 18 T^1 T^1 NNP 28553 1053 19 . . . 28553 1054 1 Now now RB 28553 1054 2 , , , 28553 1054 3 the the DT 28553 1054 4 more more RBR 28553 1054 5 rapid rapid JJ 28553 1054 6 the the DT 28553 1054 7 extinction extinction NN 28553 1054 8 of of IN 28553 1054 9 magnetism magnetism NN 28553 1054 10 in in IN 28553 1054 11 the the DT 28553 1054 12 core core NN 28553 1054 13 after after IN 28553 1054 14 " " `` 28553 1054 15 break break NN 28553 1054 16 " " '' 28553 1054 17 of of IN 28553 1054 18 the the DT 28553 1054 19 primary primary JJ 28553 1054 20 circuit circuit NN 28553 1054 21 , , , 28553 1054 22 the the DT 28553 1054 23 more more RBR 28553 1054 24 rapidly rapidly RB 28553 1054 25 will will MD 28553 1054 26 the the DT 28553 1054 27 lines line NNS 28553 1054 28 of of IN 28553 1054 29 force force NN 28553 1054 30 collapse collapse NN 28553 1054 31 , , , 28553 1054 32 and and CC 28553 1054 33 the the DT 28553 1054 34 more more RBR 28553 1054 35 intense intense JJ 28553 1054 36 will will MD 28553 1054 37 be be VB 28553 1054 38 the the DT 28553 1054 39 induced induced JJ 28553 1054 40 current current NN 28553 1054 41 in in IN 28553 1054 42 the the DT 28553 1054 43 secondary secondary JJ 28553 1054 44 coil coil NN 28553 1054 45 . . . 28553 1055 1 The the DT 28553 1055 2 condenser condenser NN 28553 1055 3 diminishes diminish VBZ 28553 1055 4 the the DT 28553 1055 5 period period NN 28553 1055 6 of of IN 28553 1055 7 extinction extinction NN 28553 1055 8 very very RB 28553 1055 9 greatly greatly RB 28553 1055 10 , , , 28553 1055 11 while while IN 28553 1055 12 lengthening lengthen VBG 28553 1055 13 the the DT 28553 1055 14 period period NN 28553 1055 15 of of IN 28553 1055 16 magnetization magnetization NN 28553 1055 17 after after IN 28553 1055 18 the the DT 28553 1055 19 " " `` 28553 1055 20 make make NN 28553 1055 21 " " '' 28553 1055 22 of of IN 28553 1055 23 the the DT 28553 1055 24 primary primary JJ 28553 1055 25 current current NN 28553 1055 26 , , , 28553 1055 27 and and CC 28553 1055 28 so so RB 28553 1055 29 decreasing decrease VBG 28553 1055 30 the the DT 28553 1055 31 strength strength NN 28553 1055 32 of of IN 28553 1055 33 the the DT 28553 1055 34 reverse reverse JJ 28553 1055 35 current current NN 28553 1055 36 . . . 28553 1056 1 TRANSFORMATION transformation NN 28553 1056 2 OF of IN 28553 1056 3 CURRENT CURRENT NNP 28553 1056 4 . . . 28553 1057 1 The the DT 28553 1057 2 difference difference NN 28553 1057 3 in in IN 28553 1057 4 the the DT 28553 1057 5 voltage voltage NN 28553 1057 6 of of IN 28553 1057 7 the the DT 28553 1057 8 primary primary JJ 28553 1057 9 and and CC 28553 1057 10 secondary secondary JJ 28553 1057 11 currents current NNS 28553 1057 12 depends depend VBZ 28553 1057 13 on on IN 28553 1057 14 the the DT 28553 1057 15 length length NN 28553 1057 16 of of IN 28553 1057 17 the the DT 28553 1057 18 windings winding NNS 28553 1057 19 . . . 28553 1058 1 If if IN 28553 1058 2 there there EX 28553 1058 3 are be VBP 28553 1058 4 100 100 CD 28553 1058 5 turns turn NNS 28553 1058 6 of of IN 28553 1058 7 wire wire NN 28553 1058 8 in in IN 28553 1058 9 the the DT 28553 1058 10 primary primary NN 28553 1058 11 , , , 28553 1058 12 and and CC 28553 1058 13 100,000 100,000 CD 28553 1058 14 turns turn NNS 28553 1058 15 in in IN 28553 1058 16 the the DT 28553 1058 17 secondary secondary JJ 28553 1058 18 , , , 28553 1058 19 the the DT 28553 1058 20 voltage voltage NN 28553 1058 21 will will MD 28553 1058 22 be be VB 28553 1058 23 increased increase VBN 28553 1058 24 1,000 1,000 CD 28553 1058 25 times time NNS 28553 1058 26 ; ; : 28553 1058 27 so so IN 28553 1058 28 that that IN 28553 1058 29 a a DT 28553 1058 30 4-volt 4-volt CD 28553 1058 31 current current NN 28553 1058 32 is be VBZ 28553 1058 33 " " `` 28553 1058 34 stepped step VBN 28553 1058 35 up up RB 28553 1058 36 " " '' 28553 1058 37 to to IN 28553 1058 38 4,000 4,000 CD 28553 1058 39 volts volt NNS 28553 1058 40 . . . 28553 1059 1 In in IN 28553 1059 2 the the DT 28553 1059 3 largest large JJS 28553 1059 4 induction induction NN 28553 1059 5 coils coil VBZ 28553 1059 6 the the DT 28553 1059 7 secondary secondary JJ 28553 1059 8 winding winding NN 28553 1059 9 absorbs absorb VBZ 28553 1059 10 200 200 CD 28553 1059 11 - - SYM 28553 1059 12 300 300 CD 28553 1059 13 miles mile NNS 28553 1059 14 of of IN 28553 1059 15 wire wire NN 28553 1059 16 , , , 28553 1059 17 and and CC 28553 1059 18 the the DT 28553 1059 19 spark spark NN 28553 1059 20 given give VBN 28553 1059 21 may may MD 28553 1059 22 be be VB 28553 1059 23 anything anything NN 28553 1059 24 up up IN 28553 1059 25 to to TO 28553 1059 26 four four CD 28553 1059 27 feet foot NNS 28553 1059 28 in in IN 28553 1059 29 length length NN 28553 1059 30 . . . 28553 1060 1 Such such PDT 28553 1060 2 a a DT 28553 1060 3 spark spark NN 28553 1060 4 would would MD 28553 1060 5 pierce pierce VB 28553 1060 6 a a DT 28553 1060 7 glass glass NN 28553 1060 8 plate plate NN 28553 1060 9 two two CD 28553 1060 10 inches inch NNS 28553 1060 11 thick thick JJ 28553 1060 12 . . . 28553 1061 1 It -PRON- PRP 28553 1061 2 must must MD 28553 1061 3 not not RB 28553 1061 4 be be VB 28553 1061 5 supposed suppose VBN 28553 1061 6 that that IN 28553 1061 7 an an DT 28553 1061 8 induction induction NN 28553 1061 9 coil coil NN 28553 1061 10 increases increase VBZ 28553 1061 11 the the DT 28553 1061 12 _ _ NNP 28553 1061 13 amount amount NN 28553 1061 14 _ _ NNP 28553 1061 15 of of IN 28553 1061 16 current current JJ 28553 1061 17 given give VBN 28553 1061 18 off off RP 28553 1061 19 by by IN 28553 1061 20 a a DT 28553 1061 21 battery battery NN 28553 1061 22 . . . 28553 1062 1 It -PRON- PRP 28553 1062 2 merely merely RB 28553 1062 3 increases increase VBZ 28553 1062 4 its -PRON- PRP$ 28553 1062 5 pressure pressure NN 28553 1062 6 at at IN 28553 1062 7 the the DT 28553 1062 8 expense expense NN 28553 1062 9 of of IN 28553 1062 10 its -PRON- PRP$ 28553 1062 11 volume volume NN 28553 1062 12 -- -- : 28553 1062 13 stores store NNS 28553 1062 14 up up RP 28553 1062 15 its -PRON- PRP$ 28553 1062 16 energy energy NN 28553 1062 17 , , , 28553 1062 18 as as IN 28553 1062 19 it -PRON- PRP 28553 1062 20 were be VBD 28553 1062 21 , , , 28553 1062 22 until until IN 28553 1062 23 there there EX 28553 1062 24 is be VBZ 28553 1062 25 enough enough JJ 28553 1062 26 to to TO 28553 1062 27 do do VB 28553 1062 28 what what WP 28553 1062 29 a a DT 28553 1062 30 low low JJ 28553 1062 31 - - HYPH 28553 1062 32 tension tension NN 28553 1062 33 flow flow NN 28553 1062 34 could could MD 28553 1062 35 not not RB 28553 1062 36 effect effect VB 28553 1062 37 . . . 28553 1063 1 A a DT 28553 1063 2 fair fair JJ 28553 1063 3 comparison comparison NN 28553 1063 4 would would MD 28553 1063 5 be be VB 28553 1063 6 to to TO 28553 1063 7 picture picture VB 28553 1063 8 the the DT 28553 1063 9 energy energy NN 28553 1063 10 of of IN 28553 1063 11 the the DT 28553 1063 12 low low JJ 28553 1063 13 - - HYPH 28553 1063 14 tension tension NN 28553 1063 15 current current NN 28553 1063 16 as as IN 28553 1063 17 the the DT 28553 1063 18 momentum momentum NN 28553 1063 19 of of IN 28553 1063 20 a a DT 28553 1063 21 number number NN 28553 1063 22 of of IN 28553 1063 23 small small JJ 28553 1063 24 pebbles pebble NNS 28553 1063 25 thrown throw VBN 28553 1063 26 in in IN 28553 1063 27 succession succession NN 28553 1063 28 at at IN 28553 1063 29 a a DT 28553 1063 30 door door NN 28553 1063 31 , , , 28553 1063 32 say say VB 28553 1063 33 100 100 CD 28553 1063 34 a a DT 28553 1063 35 minute minute NN 28553 1063 36 . . . 28553 1064 1 If if IN 28553 1064 2 you -PRON- PRP 28553 1064 3 went go VBD 28553 1064 4 on on RP 28553 1064 5 pelting pelt VBG 28553 1064 6 the the DT 28553 1064 7 door door NN 28553 1064 8 for for IN 28553 1064 9 hours hour NNS 28553 1064 10 you -PRON- PRP 28553 1064 11 might may MD 28553 1064 12 make make VB 28553 1064 13 no no DT 28553 1064 14 impression impression NN 28553 1064 15 on on IN 28553 1064 16 it -PRON- PRP 28553 1064 17 , , , 28553 1064 18 but but CC 28553 1064 19 if if IN 28553 1064 20 you -PRON- PRP 28553 1064 21 could could MD 28553 1064 22 knead knead VB 28553 1064 23 every every DT 28553 1064 24 100 100 CD 28553 1064 25 pebbles pebble NNS 28553 1064 26 into into IN 28553 1064 27 a a DT 28553 1064 28 single single JJ 28553 1064 29 stone stone NN 28553 1064 30 , , , 28553 1064 31 and and CC 28553 1064 32 throw throw VB 28553 1064 33 these these DT 28553 1064 34 stones stone NNS 28553 1064 35 one one CD 28553 1064 36 per per IN 28553 1064 37 minute minute NN 28553 1064 38 , , , 28553 1064 39 you -PRON- PRP 28553 1064 40 would would MD 28553 1064 41 soon soon RB 28553 1064 42 break break VB 28553 1064 43 the the DT 28553 1064 44 door door NN 28553 1064 45 in in IN 28553 1064 46 . . . 28553 1065 1 Any any DT 28553 1065 2 intermittent intermittent JJ 28553 1065 3 current current NN 28553 1065 4 can can MD 28553 1065 5 be be VB 28553 1065 6 transformed transform VBN 28553 1065 7 as as IN 28553 1065 8 regards regard VBZ 28553 1065 9 its -PRON- PRP$ 28553 1065 10 intensity intensity NN 28553 1065 11 . . . 28553 1066 1 You -PRON- PRP 28553 1066 2 may may MD 28553 1066 3 either either CC 28553 1066 4 increase increase VB 28553 1066 5 its -PRON- PRP$ 28553 1066 6 pressure pressure NN 28553 1066 7 while while IN 28553 1066 8 decreasing decrease VBG 28553 1066 9 its -PRON- PRP$ 28553 1066 10 rate rate NN 28553 1066 11 of of IN 28553 1066 12 flow flow NN 28553 1066 13 , , , 28553 1066 14 or or CC 28553 1066 15 _ _ NNP 28553 1066 16 amperage amperage NN 28553 1066 17 _ _ NN 28553 1066 18 ; ; : 28553 1066 19 or or CC 28553 1066 20 decrease decrease VB 28553 1066 21 its -PRON- PRP$ 28553 1066 22 pressure pressure NN 28553 1066 23 and and CC 28553 1066 24 increase increase VB 28553 1066 25 its -PRON- PRP$ 28553 1066 26 flow flow NN 28553 1066 27 . . . 28553 1067 1 In in IN 28553 1067 2 the the DT 28553 1067 3 case case NN 28553 1067 4 that that WDT 28553 1067 5 we -PRON- PRP 28553 1067 6 have have VBP 28553 1067 7 considered consider VBN 28553 1067 8 , , , 28553 1067 9 a a DT 28553 1067 10 continuous continuous JJ 28553 1067 11 battery battery NN 28553 1067 12 current current NN 28553 1067 13 is be VBZ 28553 1067 14 rendered render VBN 28553 1067 15 intermittent intermittent JJ 28553 1067 16 by by IN 28553 1067 17 a a DT 28553 1067 18 mechanical mechanical JJ 28553 1067 19 contrivance contrivance NN 28553 1067 20 . . . 28553 1068 1 But but CC 28553 1068 2 if if IN 28553 1068 3 the the DT 28553 1068 4 current current NN 28553 1068 5 comes come VBZ 28553 1068 6 from from IN 28553 1068 7 an an DT 28553 1068 8 " " `` 28553 1068 9 alternating alternating JJ 28553 1068 10 " " '' 28553 1068 11 dynamo dynamo NN 28553 1068 12 -- -- : 28553 1068 13 that that RB 28553 1068 14 is is RB 28553 1068 15 , , , 28553 1068 16 is be VBZ 28553 1068 17 already already RB 28553 1068 18 intermittent intermittent JJ 28553 1068 19 -- -- : 28553 1068 20 the the DT 28553 1068 21 contact contact NN 28553 1068 22 - - HYPH 28553 1068 23 breaker breaker NN 28553 1068 24 is be VBZ 28553 1068 25 not not RB 28553 1068 26 needed need VBN 28553 1068 27 . . . 28553 1069 1 There there EX 28553 1069 2 will will MD 28553 1069 3 be be VB 28553 1069 4 more more JJR 28553 1069 5 to to TO 28553 1069 6 say say VB 28553 1069 7 about about IN 28553 1069 8 transformation transformation NN 28553 1069 9 of of IN 28553 1069 10 current current NN 28553 1069 11 in in IN 28553 1069 12 later later JJ 28553 1069 13 paragraphs paragraph NNS 28553 1069 14 . . . 28553 1070 1 USES use NNS 28553 1070 2 OF of IN 28553 1070 3 THE the DT 28553 1070 4 INDUCTION INDUCTION NNP 28553 1070 5 COIL COIL NNP 28553 1070 6 . . . 28553 1071 1 The the DT 28553 1071 2 induction induction NN 28553 1071 3 coil coil NN 28553 1071 4 is be VBZ 28553 1071 5 used--(1 used--(1 XX 28553 1071 6 . . . 28553 1071 7 ) ) -RRB- 28553 1072 1 For for IN 28553 1072 2 passing pass VBG 28553 1072 3 currents current NNS 28553 1072 4 through through IN 28553 1072 5 glass glass NN 28553 1072 6 tubes tube NNS 28553 1072 7 almost almost RB 28553 1072 8 exhausted exhausted JJ 28553 1072 9 of of IN 28553 1072 10 air air NN 28553 1072 11 or or CC 28553 1072 12 containing contain VBG 28553 1072 13 highly highly RB 28553 1072 14 rarefied rarefy VBN 28553 1072 15 gases gas NNS 28553 1072 16 . . . 28553 1073 1 The the DT 28553 1073 2 luminous luminous JJ 28553 1073 3 effects effect NNS 28553 1073 4 of of IN 28553 1073 5 these these DT 28553 1073 6 " " `` 28553 1073 7 Geissler Geissler NNP 28553 1073 8 " " '' 28553 1073 9 tubes tube NNS 28553 1073 10 are be VBP 28553 1073 11 very very RB 28553 1073 12 beautiful beautiful JJ 28553 1073 13 . . . 28553 1074 1 ( ( -LRB- 28553 1074 2 2 2 CD 28553 1074 3 . . . 28553 1074 4 ) ) -RRB- 28553 1075 1 For for IN 28553 1075 2 producing produce VBG 28553 1075 3 the the DT 28553 1075 4 now now RB 28553 1075 5 famous famous JJ 28553 1075 6 X x NN 28553 1075 7 or or CC 28553 1075 8 Röntgen Röntgen NNP 28553 1075 9 rays ray NNS 28553 1075 10 . . . 28553 1076 1 These these DT 28553 1076 2 rays ray NNS 28553 1076 3 accompany accompany VBP 28553 1076 4 the the DT 28553 1076 5 light light NN 28553 1076 6 rays ray NNS 28553 1076 7 given give VBN 28553 1076 8 off off RP 28553 1076 9 at at IN 28553 1076 10 the the DT 28553 1076 11 negative negative JJ 28553 1076 12 terminal terminal NN 28553 1076 13 ( ( -LRB- 28553 1076 14 cathode cathode NN 28553 1076 15 ) ) -RRB- 28553 1076 16 of of IN 28553 1076 17 a a DT 28553 1076 18 vacuum vacuum NN 28553 1076 19 tube tube NN 28553 1076 20 , , , 28553 1076 21 and and CC 28553 1076 22 are be VBP 28553 1076 23 invisible invisible JJ 28553 1076 24 to to IN 28553 1076 25 the the DT 28553 1076 26 eye eye NN 28553 1076 27 unless unless IN 28553 1076 28 caught catch VBN 28553 1076 29 on on IN 28553 1076 30 a a DT 28553 1076 31 fluorescent fluorescent NN 28553 1076 32 screen screen NN 28553 1076 33 , , , 28553 1076 34 which which WDT 28553 1076 35 reduces reduce VBZ 28553 1076 36 their -PRON- PRP$ 28553 1076 37 rate rate NN 28553 1076 38 of of IN 28553 1076 39 vibration vibration NN 28553 1076 40 sufficiently sufficiently RB 28553 1076 41 for for IN 28553 1076 42 the the DT 28553 1076 43 eye eye NN 28553 1076 44 to to TO 28553 1076 45 be be VB 28553 1076 46 sensitive sensitive JJ 28553 1076 47 to to IN 28553 1076 48 them -PRON- PRP 28553 1076 49 . . . 28553 1077 1 The the DT 28553 1077 2 Röntgen Röntgen NNP 28553 1077 3 rays ray NNS 28553 1077 4 have have VBP 28553 1077 5 the the DT 28553 1077 6 peculiar peculiar JJ 28553 1077 7 property property NN 28553 1077 8 of of IN 28553 1077 9 penetrating penetrate VBG 28553 1077 10 many many JJ 28553 1077 11 substances substance NNS 28553 1077 12 quite quite RB 28553 1077 13 opaque opaque JJ 28553 1077 14 to to IN 28553 1077 15 light light NN 28553 1077 16 , , , 28553 1077 17 such such JJ 28553 1077 18 as as IN 28553 1077 19 metals metal NNS 28553 1077 20 , , , 28553 1077 21 stone stone NN 28553 1077 22 , , , 28553 1077 23 wood wood NN 28553 1077 24 , , , 28553 1077 25 etc etc FW 28553 1077 26 . . FW 28553 1077 27 , , , 28553 1077 28 and and CC 28553 1077 29 as as IN 28553 1077 30 a a DT 28553 1077 31 consequence consequence NN 28553 1077 32 have have VBP 28553 1077 33 proved prove VBN 28553 1077 34 of of IN 28553 1077 35 great great JJ 28553 1077 36 use use NN 28553 1077 37 to to IN 28553 1077 38 the the DT 28553 1077 39 surgeon surgeon NN 28553 1077 40 in in IN 28553 1077 41 localizing localize VBG 28553 1077 42 or or CC 28553 1077 43 determining determine VBG 28553 1077 44 the the DT 28553 1077 45 nature nature NN 28553 1077 46 of of IN 28553 1077 47 an an DT 28553 1077 48 internal internal JJ 28553 1077 49 injury injury NN 28553 1077 50 . . . 28553 1078 1 They -PRON- PRP 28553 1078 2 also also RB 28553 1078 3 have have VBP 28553 1078 4 a a DT 28553 1078 5 deterrent deterrent JJ 28553 1078 6 effect effect NN 28553 1078 7 upon upon IN 28553 1078 8 cancerous cancerous JJ 28553 1078 9 growths growth NNS 28553 1078 10 . . . 28553 1079 1 ( ( -LRB- 28553 1079 2 3 3 CD 28553 1079 3 . . . 28553 1079 4 ) ) -RRB- 28553 1080 1 In in IN 28553 1080 2 wireless wireless JJ 28553 1080 3 telegraphy telegraphy NN 28553 1080 4 , , , 28553 1080 5 to to TO 28553 1080 6 cause cause VB 28553 1080 7 powerful powerful JJ 28553 1080 8 electric electric JJ 28553 1080 9 oscillations oscillation NNS 28553 1080 10 in in IN 28553 1080 11 the the DT 28553 1080 12 ether ether NN 28553 1080 13 . . . 28553 1081 1 ( ( -LRB- 28553 1081 2 4 4 CD 28553 1081 3 . . . 28553 1081 4 ) ) -RRB- 28553 1082 1 On on IN 28553 1082 2 motor motor NN 28553 1082 3 cars car NNS 28553 1082 4 , , , 28553 1082 5 for for IN 28553 1082 6 igniting ignite VBG 28553 1082 7 the the DT 28553 1082 8 cylinder cylinder NN 28553 1082 9 charges charge NNS 28553 1082 10 . . . 28553 1083 1 ( ( -LRB- 28553 1083 2 5 5 CD 28553 1083 3 . . . 28553 1083 4 ) ) -RRB- 28553 1084 1 For for IN 28553 1084 2 electrical electrical JJ 28553 1084 3 massage massage NN 28553 1084 4 of of IN 28553 1084 5 the the DT 28553 1084 6 body body NN 28553 1084 7 . . . 28553 1085 1 [ [ -LRB- 28553 1085 2 11 11 CD 28553 1085 3 ] ] -RRB- 28553 1085 4 " " `` 28553 1085 5 What what WP 28553 1085 6 is be VBZ 28553 1085 7 Electricity electricity NN 28553 1085 8 ? ? . 28553 1085 9 " " '' 28553 1086 1 p. p. NN 28553 1086 2 46 46 CD 28553 1086 3 . . . 28553 1087 1 [ [ -LRB- 28553 1087 2 12 12 CD 28553 1087 3 ] ] -RRB- 28553 1087 4 If if IN 28553 1087 5 a a DT 28553 1087 6 magnetized magnetize VBN 28553 1087 7 bar bar NN 28553 1087 8 be be VB 28553 1087 9 heated heat VBN 28553 1087 10 to to IN 28553 1087 11 white white JJ 28553 1087 12 heat heat NN 28553 1087 13 and and CC 28553 1087 14 tapped tap VBN 28553 1087 15 with with IN 28553 1087 16 a a DT 28553 1087 17 hammer hammer NN 28553 1087 18 it -PRON- PRP 28553 1087 19 loses lose VBZ 28553 1087 20 its -PRON- PRP$ 28553 1087 21 magnetism magnetism NN 28553 1087 22 , , , 28553 1087 23 because because IN 28553 1087 24 the the DT 28553 1087 25 distance distance NN 28553 1087 26 between between IN 28553 1087 27 the the DT 28553 1087 28 molecules molecule NNS 28553 1087 29 has have VBZ 28553 1087 30 increased increase VBN 28553 1087 31 , , , 28553 1087 32 and and CC 28553 1087 33 the the DT 28553 1087 34 molecules molecule NNS 28553 1087 35 can can MD 28553 1087 36 easily easily RB 28553 1087 37 return return VB 28553 1087 38 to to IN 28553 1087 39 their -PRON- PRP$ 28553 1087 40 original original JJ 28553 1087 41 positions position NNS 28553 1087 42 . . . 28553 1088 1 Chapter chapter NN 28553 1088 2 VI VI NNP 28553 1088 3 . . . 28553 1089 1 THE the DT 28553 1089 2 ELECTRIC ELECTRIC NNP 28553 1089 3 TELEGRAPH telegraph NN 28553 1089 4 . . . 28553 1090 1 Needle needle NN 28553 1090 2 instruments instrument NNS 28553 1090 3 -- -- : 28553 1090 4 Influence influence NN 28553 1090 5 of of IN 28553 1090 6 current current NN 28553 1090 7 on on IN 28553 1090 8 the the DT 28553 1090 9 magnetic magnetic JJ 28553 1090 10 needle needle NN 28553 1090 11 -- -- : 28553 1090 12 Method method NN 28553 1090 13 of of IN 28553 1090 14 reversing reverse VBG 28553 1090 15 the the DT 28553 1090 16 current current NN 28553 1090 17 -- -- : 28553 1090 18 Sounding sound VBG 28553 1090 19 instruments instrument NNS 28553 1090 20 -- -- : 28553 1090 21 Telegraphic telegraphic JJ 28553 1090 22 relays relay NNS 28553 1090 23 -- -- : 28553 1090 24 Recording record VBG 28553 1090 25 telegraphs telegraph NNS 28553 1090 26 -- -- : 28553 1090 27 High high JJ 28553 1090 28 - - HYPH 28553 1090 29 speed speed NN 28553 1090 30 telegraphy telegraphy NN 28553 1090 31 . . . 28553 1091 1 Take take VB 28553 1091 2 a a DT 28553 1091 3 small small JJ 28553 1091 4 pocket pocket NN 28553 1091 5 compass compass NN 28553 1091 6 and and CC 28553 1091 7 wind wind NN 28553 1091 8 several several JJ 28553 1091 9 turns turn NNS 28553 1091 10 of of IN 28553 1091 11 fine fine JJ 28553 1091 12 insulated insulate VBN 28553 1091 13 wire wire NN 28553 1091 14 round round IN 28553 1091 15 the the DT 28553 1091 16 case case NN 28553 1091 17 , , , 28553 1091 18 over over IN 28553 1091 19 the the DT 28553 1091 20 top top NN 28553 1091 21 and and CC 28553 1091 22 under under IN 28553 1091 23 the the DT 28553 1091 24 bottom bottom NN 28553 1091 25 . . . 28553 1092 1 Now now RB 28553 1092 2 lay lay VB 28553 1092 3 the the DT 28553 1092 4 compass compass NN 28553 1092 5 on on IN 28553 1092 6 a a DT 28553 1092 7 table table NN 28553 1092 8 , , , 28553 1092 9 and and CC 28553 1092 10 turn turn VB 28553 1092 11 it -PRON- PRP 28553 1092 12 about about IN 28553 1092 13 until until IN 28553 1092 14 the the DT 28553 1092 15 coil coil NN 28553 1092 16 is be VBZ 28553 1092 17 on on IN 28553 1092 18 a a DT 28553 1092 19 line line NN 28553 1092 20 with with IN 28553 1092 21 the the DT 28553 1092 22 needle needle NN 28553 1092 23 -- -- : 28553 1092 24 in in IN 28553 1092 25 fact fact NN 28553 1092 26 , , , 28553 1092 27 covers cover VBZ 28553 1092 28 it -PRON- PRP 28553 1092 29 . . . 28553 1093 1 Next next JJ 28553 1093 2 touch touch NN 28553 1093 3 the the DT 28553 1093 4 terminals terminal NNS 28553 1093 5 of of IN 28553 1093 6 a a DT 28553 1093 7 battery battery NN 28553 1093 8 with with IN 28553 1093 9 the the DT 28553 1093 10 ends end NNS 28553 1093 11 of of IN 28553 1093 12 the the DT 28553 1093 13 wire wire NN 28553 1093 14 . . . 28553 1094 1 The the DT 28553 1094 2 needle needle NN 28553 1094 3 at at IN 28553 1094 4 once once RB 28553 1094 5 shifts shift NNS 28553 1094 6 either either CC 28553 1094 7 to to IN 28553 1094 8 right right NN 28553 1094 9 or or CC 28553 1094 10 left leave VBD 28553 1094 11 , , , 28553 1094 12 and and CC 28553 1094 13 remains remain VBZ 28553 1094 14 in in IN 28553 1094 15 that that DT 28553 1094 16 position position NN 28553 1094 17 as as RB 28553 1094 18 long long RB 28553 1094 19 as as IN 28553 1094 20 the the DT 28553 1094 21 current current JJ 28553 1094 22 flows flow VBZ 28553 1094 23 . . . 28553 1095 1 If if IN 28553 1095 2 you -PRON- PRP 28553 1095 3 change change VBP 28553 1095 4 the the DT 28553 1095 5 wires wire NNS 28553 1095 6 over over RP 28553 1095 7 , , , 28553 1095 8 so so RB 28553 1095 9 reversing reverse VBG 28553 1095 10 the the DT 28553 1095 11 direction direction NN 28553 1095 12 of of IN 28553 1095 13 the the DT 28553 1095 14 current current NN 28553 1095 15 , , , 28553 1095 16 the the DT 28553 1095 17 needle needle NN 28553 1095 18 at at IN 28553 1095 19 once once RB 28553 1095 20 points point NNS 28553 1095 21 in in IN 28553 1095 22 the the DT 28553 1095 23 other other JJ 28553 1095 24 direction direction NN 28553 1095 25 . . . 28553 1096 1 It -PRON- PRP 28553 1096 2 is be VBZ 28553 1096 3 to to IN 28553 1096 4 this this DT 28553 1096 5 conduct conduct NN 28553 1096 6 on on IN 28553 1096 7 the the DT 28553 1096 8 part part NN 28553 1096 9 of of IN 28553 1096 10 a a DT 28553 1096 11 magnetic magnetic JJ 28553 1096 12 needle needle NN 28553 1096 13 when when WRB 28553 1096 14 in in IN 28553 1096 15 a a DT 28553 1096 16 " " `` 28553 1096 17 magnetic magnetic JJ 28553 1096 18 field field NN 28553 1096 19 " " '' 28553 1096 20 that that WDT 28553 1096 21 we -PRON- PRP 28553 1096 22 owe owe VBP 28553 1096 23 the the DT 28553 1096 24 existence existence NN 28553 1096 25 of of IN 28553 1096 26 the the DT 28553 1096 27 needle needle NNP 28553 1096 28 telegraph telegraph NNP 28553 1096 29 instrument instrument NN 28553 1096 30 . . . 28553 1097 1 NEEDLE needle JJ 28553 1097 2 INSTRUMENTS INSTRUMENTS NNPS 28553 1097 3 . . . 28553 1098 1 [ [ -LRB- 28553 1098 2 Illustration illustration NN 28553 1098 3 : : : 28553 1098 4 FIG FIG NNP 28553 1098 5 . . . 28553 1099 1 54.--Sketch 54.--sketch CD 28553 1099 2 of of IN 28553 1099 3 the the DT 28553 1099 4 side side NN 28553 1099 5 elevation elevation NN 28553 1099 6 of of IN 28553 1099 7 a a DT 28553 1099 8 Wheatstone Wheatstone NNP 28553 1099 9 needle needle NN 28553 1099 10 instrument instrument NN 28553 1099 11 . . . 28553 1099 12 ] ] -RRB- 28553 1100 1 Probably probably RB 28553 1100 2 the the DT 28553 1100 3 best well RBS 28553 1100 4 - - HYPH 28553 1100 5 known know VBN 28553 1100 6 needle needle NN 28553 1100 7 instrument instrument NN 28553 1100 8 is be VBZ 28553 1100 9 the the DT 28553 1100 10 Cooke Cooke NNP 28553 1100 11 - - HYPH 28553 1100 12 Wheatstone Wheatstone NNP 28553 1100 13 , , , 28553 1100 14 largely largely RB 28553 1100 15 used use VBN 28553 1100 16 in in IN 28553 1100 17 signal signal NN 28553 1100 18 - - HYPH 28553 1100 19 boxes box NNS 28553 1100 20 and and CC 28553 1100 21 in in IN 28553 1100 22 some some DT 28553 1100 23 post post NN 28553 1100 24 - - NNS 28553 1100 25 offices office NNS 28553 1100 26 . . . 28553 1101 1 A a DT 28553 1101 2 vertical vertical JJ 28553 1101 3 section section NN 28553 1101 4 of of IN 28553 1101 5 it -PRON- PRP 28553 1101 6 is be VBZ 28553 1101 7 shown show VBN 28553 1101 8 in in IN 28553 1101 9 Fig Fig NNP 28553 1101 10 . . . 28553 1102 1 54 54 CD 28553 1102 2 . . . 28553 1103 1 It -PRON- PRP 28553 1103 2 consists consist VBZ 28553 1103 3 of of IN 28553 1103 4 a a DT 28553 1103 5 base base NN 28553 1103 6 , , , 28553 1103 7 B b NN 28553 1103 8 , , , 28553 1103 9 and and CC 28553 1103 10 an an DT 28553 1103 11 upright upright JJ 28553 1103 12 front front NN 28553 1103 13 , , , 28553 1103 14 A a NN 28553 1103 15 , , , 28553 1103 16 to to IN 28553 1103 17 the the DT 28553 1103 18 back back NN 28553 1103 19 of of IN 28553 1103 20 which which WDT 28553 1103 21 are be VBP 28553 1103 22 attached attach VBN 28553 1103 23 two two CD 28553 1103 24 hollow hollow JJ 28553 1103 25 coils coil NNS 28553 1103 26 on on IN 28553 1103 27 either either DT 28553 1103 28 side side NN 28553 1103 29 of of IN 28553 1103 30 a a DT 28553 1103 31 magnetic magnetic JJ 28553 1103 32 needle needle NN 28553 1103 33 mounted mount VBN 28553 1103 34 on on IN 28553 1103 35 the the DT 28553 1103 36 same same JJ 28553 1103 37 shaft shaft NN 28553 1103 38 as as IN 28553 1103 39 a a DT 28553 1103 40 second second JJ 28553 1103 41 dial dial NN 28553 1103 42 needle needle NN 28553 1103 43 , , , 28553 1103 44 N n CD 28553 1103 45 , , , 28553 1103 46 outside outside IN 28553 1103 47 the the DT 28553 1103 48 front front NN 28553 1103 49 . . . 28553 1104 1 The the DT 28553 1104 2 wires wire NNS 28553 1104 3 W W NNP 28553 1104 4 W W NNP 28553 1104 5 are be VBP 28553 1104 6 connected connected JJ 28553 1104 7 to to IN 28553 1104 8 the the DT 28553 1104 9 telegraph telegraph NN 28553 1104 10 line line NN 28553 1104 11 and and CC 28553 1104 12 to to IN 28553 1104 13 the the DT 28553 1104 14 commutator commutator NN 28553 1104 15 , , , 28553 1104 16 a a DT 28553 1104 17 device device NN 28553 1104 18 which which WDT 28553 1104 19 , , , 28553 1104 20 when when WRB 28553 1104 21 the the DT 28553 1104 22 operator operator NN 28553 1104 23 moves move VBZ 28553 1104 24 the the DT 28553 1104 25 handle handle NN 28553 1104 26 H h NN 28553 1104 27 to to IN 28553 1104 28 right right NN 28553 1104 29 and and CC 28553 1104 30 left leave VBD 28553 1104 31 , , , 28553 1104 32 keeps keep VBZ 28553 1104 33 reversing reverse VBG 28553 1104 34 the the DT 28553 1104 35 direction direction NN 28553 1104 36 of of IN 28553 1104 37 the the DT 28553 1104 38 current current NN 28553 1104 39 . . . 28553 1105 1 The the DT 28553 1105 2 needles needle NNS 28553 1105 3 on on IN 28553 1105 4 both both CC 28553 1105 5 receiving receive VBG 28553 1105 6 and and CC 28553 1105 7 transmitting transmit VBG 28553 1105 8 instruments instrument NNS 28553 1105 9 wag wag VBP 28553 1105 10 in in IN 28553 1105 11 accordance accordance NN 28553 1105 12 with with IN 28553 1105 13 the the DT 28553 1105 14 movements movement NNS 28553 1105 15 of of IN 28553 1105 16 the the DT 28553 1105 17 handle handle NN 28553 1105 18 . . . 28553 1106 1 One one CD 28553 1106 2 or or CC 28553 1106 3 more more JJR 28553 1106 4 movements movement NNS 28553 1106 5 form form VBP 28553 1106 6 an an DT 28553 1106 7 alphabetical alphabetical JJ 28553 1106 8 letter letter NN 28553 1106 9 of of IN 28553 1106 10 the the DT 28553 1106 11 Morse Morse NNP 28553 1106 12 code code NN 28553 1106 13 . . . 28553 1107 1 Thus thus RB 28553 1107 2 , , , 28553 1107 3 if if IN 28553 1107 4 the the DT 28553 1107 5 needle needle NN 28553 1107 6 points point VBZ 28553 1107 7 first first RB 28553 1107 8 to to IN 28553 1107 9 left leave VBN 28553 1107 10 , , , 28553 1107 11 and and CC 28553 1107 12 then then RB 28553 1107 13 to to IN 28553 1107 14 right right UH 28553 1107 15 , , , 28553 1107 16 and and CC 28553 1107 17 comes come VBZ 28553 1107 18 to to TO 28553 1107 19 rest rest VB 28553 1107 20 in in IN 28553 1107 21 a a DT 28553 1107 22 normal normal JJ 28553 1107 23 position position NN 28553 1107 24 for for IN 28553 1107 25 a a DT 28553 1107 26 moment moment NN 28553 1107 27 , , , 28553 1107 28 the the DT 28553 1107 29 letter letter NN 28553 1107 30 A A NNP 28553 1107 31 is be VBZ 28553 1107 32 signified signify VBN 28553 1107 33 ; ; : 28553 1107 34 right right JJ 28553 1107 35 - - HYPH 28553 1107 36 left left JJ 28553 1107 37 - - HYPH 28553 1107 38 left left RB 28553 1107 39 - - HYPH 28553 1107 40 left left JJ 28553 1107 41 in in IN 28553 1107 42 quick quick JJ 28553 1107 43 succession succession NN 28553 1107 44 = = NFP 28553 1107 45 B b NN 28553 1107 46 ; ; : 28553 1107 47 right right JJ 28553 1107 48 - - HYPH 28553 1107 49 left left JJ 28553 1107 50 - - HYPH 28553 1107 51 right right RB 28553 1107 52 - - HYPH 28553 1107 53 left left NN 28553 1107 54 = = NFP 28553 1107 55 C c NN 28553 1107 56 , , , 28553 1107 57 and and CC 28553 1107 58 so so RB 28553 1107 59 on on RB 28553 1107 60 . . . 28553 1108 1 Where where WRB 28553 1108 2 a a DT 28553 1108 3 marking mark VBG 28553 1108 4 instrument instrument NN 28553 1108 5 is be VBZ 28553 1108 6 used use VBN 28553 1108 7 , , , 28553 1108 8 a a DT 28553 1108 9 dot dot NN 28553 1108 10 signifies signify VBZ 28553 1108 11 a a DT 28553 1108 12 " " `` 28553 1108 13 left left NN 28553 1108 14 , , , 28553 1108 15 " " '' 28553 1108 16 and and CC 28553 1108 17 a a DT 28553 1108 18 dash dash NN 28553 1108 19 a a DT 28553 1108 20 right right NN 28553 1108 21 ; ; : 28553 1108 22 and and CC 28553 1108 23 if if IN 28553 1108 24 a a DT 28553 1108 25 " " `` 28553 1108 26 sounder sounder NN 28553 1108 27 " " '' 28553 1108 28 is be VBZ 28553 1108 29 employed employ VBN 28553 1108 30 , , , 28553 1108 31 the the DT 28553 1108 32 operator operator NN 28553 1108 33 judges judge NNS 28553 1108 34 by by IN 28553 1108 35 the the DT 28553 1108 36 length length NN 28553 1108 37 of of IN 28553 1108 38 the the DT 28553 1108 39 intervals interval NNS 28553 1108 40 between between IN 28553 1108 41 the the DT 28553 1108 42 clicks click NNS 28553 1108 43 . . . 28553 1109 1 INFLUENCE influence NN 28553 1109 2 OF of IN 28553 1109 3 CURRENT CURRENT NNP 28553 1109 4 ON on IN 28553 1109 5 A a DT 28553 1109 6 MAGNETIC magnetic JJ 28553 1109 7 NEEDLE needle NN 28553 1109 8 . . . 28553 1110 1 [ [ -LRB- 28553 1110 2 Illustration illustration NN 28553 1110 3 : : : 28553 1110 4 FIGS FIGS NNP 28553 1110 5 . . . 28553 1111 1 55 55 CD 28553 1111 2 , , , 28553 1111 3 56.--The 56.--the CD 28553 1111 4 coils coil NNS 28553 1111 5 of of IN 28553 1111 6 a a DT 28553 1111 7 needle needle NN 28553 1111 8 instrument instrument NN 28553 1111 9 . . . 28553 1112 1 The the DT 28553 1112 2 arrows arrow NNS 28553 1112 3 show show VBP 28553 1112 4 the the DT 28553 1112 5 direction direction NN 28553 1112 6 taken take VBN 28553 1112 7 by by IN 28553 1112 8 the the DT 28553 1112 9 current current NN 28553 1112 10 . . . 28553 1112 11 ] ] -RRB- 28553 1113 1 Figs fig NNS 28553 1113 2 . . . 28553 1114 1 55 55 CD 28553 1114 2 and and CC 28553 1114 3 56 56 CD 28553 1114 4 are be VBP 28553 1114 5 two two CD 28553 1114 6 views view NNS 28553 1114 7 of of IN 28553 1114 8 the the DT 28553 1114 9 coils coil NNS 28553 1114 10 and and CC 28553 1114 11 magnetic magnetic JJ 28553 1114 12 needle needle NN 28553 1114 13 of of IN 28553 1114 14 the the DT 28553 1114 15 Wheatstone Wheatstone NNP 28553 1114 16 instrument instrument NN 28553 1114 17 as as IN 28553 1114 18 they -PRON- PRP 28553 1114 19 appear appear VBP 28553 1114 20 from from IN 28553 1114 21 behind behind RB 28553 1114 22 . . . 28553 1115 1 In in IN 28553 1115 2 Fig Fig NNP 28553 1115 3 . . . 28553 1116 1 55 55 CD 28553 1116 2 the the DT 28553 1116 3 current current JJ 28553 1116 4 enters enter VBZ 28553 1116 5 the the DT 28553 1116 6 left left JJ 28553 1116 7 - - HYPH 28553 1116 8 hand hand NN 28553 1116 9 coil coil NN 28553 1116 10 from from IN 28553 1116 11 the the DT 28553 1116 12 left left NN 28553 1116 13 , , , 28553 1116 14 and and CC 28553 1116 15 travels travel VBZ 28553 1116 16 round round JJ 28553 1116 17 and and CC 28553 1116 18 round round VB 28553 1116 19 it -PRON- PRP 28553 1116 20 in in IN 28553 1116 21 a a DT 28553 1116 22 clockwise clockwise JJ 28553 1116 23 direction direction NN 28553 1116 24 to to IN 28553 1116 25 the the DT 28553 1116 26 other other JJ 28553 1116 27 end end NN 28553 1116 28 , , , 28553 1116 29 whence whence NN 28553 1116 30 it -PRON- PRP 28553 1116 31 passes pass VBZ 28553 1116 32 to to IN 28553 1116 33 the the DT 28553 1116 34 other other JJ 28553 1116 35 coil coil NN 28553 1116 36 and and CC 28553 1116 37 away away RB 28553 1116 38 to to IN 28553 1116 39 the the DT 28553 1116 40 battery battery NN 28553 1116 41 . . . 28553 1117 1 Now now RB 28553 1117 2 , , , 28553 1117 3 a a DT 28553 1117 4 coil coil NN 28553 1117 5 through through IN 28553 1117 6 which which WDT 28553 1117 7 a a DT 28553 1117 8 current current NN 28553 1117 9 passes pass VBZ 28553 1117 10 becomes become VBZ 28553 1117 11 a a DT 28553 1117 12 magnet magnet NN 28553 1117 13 . . . 28553 1118 1 Its -PRON- PRP$ 28553 1118 2 polarity polarity NN 28553 1118 3 depends depend VBZ 28553 1118 4 on on IN 28553 1118 5 the the DT 28553 1118 6 direction direction NN 28553 1118 7 in in IN 28553 1118 8 which which WDT 28553 1118 9 the the DT 28553 1118 10 current current JJ 28553 1118 11 flows flow VBZ 28553 1118 12 . . . 28553 1119 1 Suppose suppose VB 28553 1119 2 that that IN 28553 1119 3 you -PRON- PRP 28553 1119 4 are be VBP 28553 1119 5 looking look VBG 28553 1119 6 through through IN 28553 1119 7 the the DT 28553 1119 8 coil coil NN 28553 1119 9 , , , 28553 1119 10 and and CC 28553 1119 11 that that IN 28553 1119 12 the the DT 28553 1119 13 current current JJ 28553 1119 14 enters enter VBZ 28553 1119 15 it -PRON- PRP 28553 1119 16 from from IN 28553 1119 17 your -PRON- PRP$ 28553 1119 18 end end NN 28553 1119 19 . . . 28553 1120 1 If if IN 28553 1120 2 the the DT 28553 1120 3 wire wire NN 28553 1120 4 is be VBZ 28553 1120 5 wound wind VBN 28553 1120 6 in in IN 28553 1120 7 a a DT 28553 1120 8 clockwise clockwise JJ 28553 1120 9 direction direction NN 28553 1120 10 , , , 28553 1120 11 the the DT 28553 1120 12 S. S. NNP 28553 1120 13 pole pole NN 28553 1120 14 will will MD 28553 1120 15 be be VB 28553 1120 16 nearest near JJS 28553 1120 17 you -PRON- PRP 28553 1120 18 ; ; : 28553 1120 19 if if IN 28553 1120 20 in in IN 28553 1120 21 an an DT 28553 1120 22 anti anti JJ 28553 1120 23 - - JJ 28553 1120 24 clockwise clockwise JJ 28553 1120 25 direction direction NN 28553 1120 26 , , , 28553 1120 27 the the DT 28553 1120 28 N. N. NNP 28553 1120 29 pole pole NN 28553 1120 30 . . . 28553 1121 1 In in IN 28553 1121 2 Fig Fig NNP 28553 1121 3 . . . 28553 1122 1 55 55 CD 28553 1122 2 the the DT 28553 1122 3 N. N. NNP 28553 1122 4 poles pole NNS 28553 1122 5 are be VBP 28553 1122 6 at at IN 28553 1122 7 the the DT 28553 1122 8 right right JJ 28553 1122 9 end end NN 28553 1122 10 of of IN 28553 1122 11 the the DT 28553 1122 12 coils coil NNS 28553 1122 13 , , , 28553 1122 14 the the DT 28553 1122 15 S. S. NNP 28553 1122 16 poles pole NNS 28553 1122 17 at at IN 28553 1122 18 the the DT 28553 1122 19 left left JJ 28553 1122 20 end end NN 28553 1122 21 ; ; : 28553 1122 22 so so CC 28553 1122 23 the the DT 28553 1122 24 N. N. NNP 28553 1122 25 pole pole NN 28553 1122 26 of of IN 28553 1122 27 the the DT 28553 1122 28 needle needle NN 28553 1122 29 is be VBZ 28553 1122 30 attracted attract VBN 28553 1122 31 to to IN 28553 1122 32 the the DT 28553 1122 33 right right NN 28553 1122 34 , , , 28553 1122 35 and and CC 28553 1122 36 the the DT 28553 1122 37 S. S. NNP 28553 1122 38 pole pole NN 28553 1122 39 to to IN 28553 1122 40 the the DT 28553 1122 41 left left NN 28553 1122 42 . . . 28553 1123 1 When when WRB 28553 1123 2 the the DT 28553 1123 3 current current NN 28553 1123 4 is be VBZ 28553 1123 5 reversed reverse VBN 28553 1123 6 , , , 28553 1123 7 as as IN 28553 1123 8 in in IN 28553 1123 9 Fig Fig NNP 28553 1123 10 . . . 28553 1124 1 56 56 CD 28553 1124 2 , , , 28553 1124 3 the the DT 28553 1124 4 needle needle NN 28553 1124 5 moves move VBZ 28553 1124 6 over over RP 28553 1124 7 . . . 28553 1125 1 If if IN 28553 1125 2 no no DT 28553 1125 3 current current JJ 28553 1125 4 passes pass VBZ 28553 1125 5 , , , 28553 1125 6 it -PRON- PRP 28553 1125 7 remains remain VBZ 28553 1125 8 vertical vertical JJ 28553 1125 9 . . . 28553 1126 1 METHOD METHOD NNP 28553 1126 2 OF of IN 28553 1126 3 REVERSING reverse VBG 28553 1126 4 THE the DT 28553 1126 5 CURRENT CURRENT NNP 28553 1126 6 . . . 28553 1127 1 [ [ -LRB- 28553 1127 2 Illustration illustration NN 28553 1127 3 : : : 28553 1127 4 FIG FIG NNP 28553 1127 5 . . . 28553 1128 1 57.--General 57.--general CD 28553 1128 2 arrangement arrangement NN 28553 1128 3 of of IN 28553 1128 4 needle needle NN 28553 1128 5 - - HYPH 28553 1128 6 instrument instrument NN 28553 1128 7 circuit circuit NN 28553 1128 8 . . . 28553 1129 1 The the DT 28553 1129 2 shaded shaded JJ 28553 1129 3 plates plate NNS 28553 1129 4 on on IN 28553 1129 5 the the DT 28553 1129 6 left left NN 28553 1129 7 ( ( -LRB- 28553 1129 8 B b NN 28553 1129 9 and and CC 28553 1129 10 R r NN 28553 1129 11 ) ) -RRB- 28553 1129 12 are be VBP 28553 1129 13 in in IN 28553 1129 14 contact contact NN 28553 1129 15 . . . 28553 1129 16 ] ] -RRB- 28553 1130 1 A a DT 28553 1130 2 simple simple JJ 28553 1130 3 method method NN 28553 1130 4 of of IN 28553 1130 5 changing change VBG 28553 1130 6 the the DT 28553 1130 7 direction direction NN 28553 1130 8 of of IN 28553 1130 9 the the DT 28553 1130 10 current current NN 28553 1130 11 in in IN 28553 1130 12 a a DT 28553 1130 13 two two CD 28553 1130 14 - - HYPH 28553 1130 15 instrument instrument NN 28553 1130 16 circuit circuit NN 28553 1130 17 is be VBZ 28553 1130 18 shown show VBN 28553 1130 19 diagrammatically diagrammatically RB 28553 1130 20 in in IN 28553 1130 21 Fig Fig NNP 28553 1130 22 . . . 28553 1131 1 57 57 CD 28553 1131 2 . . . 28553 1132 1 The the DT 28553 1132 2 _ _ NNP 28553 1132 3 principle principle NN 28553 1132 4 _ _ NNP 28553 1132 5 is be VBZ 28553 1132 6 used use VBN 28553 1132 7 in in IN 28553 1132 8 the the DT 28553 1132 9 Wheatstone Wheatstone NNP 28553 1132 10 needle needle NN 28553 1132 11 instrument instrument NN 28553 1132 12 . . . 28553 1133 1 The the DT 28553 1133 2 battery battery NN 28553 1133 3 terminals terminal NNS 28553 1133 4 at at IN 28553 1133 5 each each DT 28553 1133 6 station station NN 28553 1133 7 are be VBP 28553 1133 8 attached attach VBN 28553 1133 9 to to IN 28553 1133 10 two two CD 28553 1133 11 brass brass NN 28553 1133 12 plates plate NNS 28553 1133 13 , , , 28553 1133 14 A a DT 28553 1133 15 B B NNP 28553 1133 16 , , , 28553 1133 17 A^1 A^1 NNP 28553 1133 18 B^1 B^1 NNP 28553 1133 19 . . . 28553 1134 1 Crossing cross VBG 28553 1134 2 these these DT 28553 1134 3 at at IN 28553 1134 4 right right JJ 28553 1134 5 angles angle NNS 28553 1134 6 ( ( -LRB- 28553 1134 7 under under IN 28553 1134 8 A a DT 28553 1134 9 A^1 A^1 NNP 28553 1134 10 and and CC 28553 1134 11 over over IN 28553 1134 12 B B NNP 28553 1134 13 B^1 B^1 NNP 28553 1134 14 ) ) -RRB- 28553 1134 15 are be VBP 28553 1134 16 the the DT 28553 1134 17 flat flat JJ 28553 1134 18 brass brass NN 28553 1134 19 springs spring NNS 28553 1134 20 , , , 28553 1134 21 L L NNP 28553 1134 22 R R NNP 28553 1134 23 , , , 28553 1134 24 L^1 L^1 NNP 28553 1134 25 R^1 R^1 NNP 28553 1134 26 , , , 28553 1134 27 having have VBG 28553 1134 28 buttons button NNS 28553 1134 29 at at IN 28553 1134 30 their -PRON- PRP$ 28553 1134 31 lower low JJR 28553 1134 32 ends end NNS 28553 1134 33 , , , 28553 1134 34 and and CC 28553 1134 35 fixed fix VBN 28553 1134 36 at at IN 28553 1134 37 their -PRON- PRP$ 28553 1134 38 upper upper JJ 28553 1134 39 ends end NNS 28553 1134 40 to to IN 28553 1134 41 baseboards baseboard NNS 28553 1134 42 . . . 28553 1135 1 When when WRB 28553 1135 2 at at IN 28553 1135 3 rest rest NN 28553 1135 4 they -PRON- PRP 28553 1135 5 all all DT 28553 1135 6 press press VBP 28553 1135 7 upwards upwards RB 28553 1135 8 against against IN 28553 1135 9 the the DT 28553 1135 10 plates plate NNS 28553 1135 11 A A NNP 28553 1135 12 and and CC 28553 1135 13 A^1 A^1 NNP 28553 1135 14 respectively respectively RB 28553 1135 15 . . . 28553 1136 1 R R NNP 28553 1136 2 and and CC 28553 1136 3 L^1 L^1 NNP 28553 1136 4 are be VBP 28553 1136 5 connected connect VBN 28553 1136 6 with with IN 28553 1136 7 the the DT 28553 1136 8 line line NN 28553 1136 9 circuit circuit NN 28553 1136 10 , , , 28553 1136 11 in in IN 28553 1136 12 which which WDT 28553 1136 13 are be VBP 28553 1136 14 the the DT 28553 1136 15 coils coil NNS 28553 1136 16 of of IN 28553 1136 17 dials dial NNS 28553 1136 18 1 1 CD 28553 1136 19 and and CC 28553 1136 20 2 2 CD 28553 1136 21 , , , 28553 1136 22 one one CD 28553 1136 23 at at IN 28553 1136 24 each each DT 28553 1136 25 station station NN 28553 1136 26 . . . 28553 1137 1 L L NNP 28553 1137 2 and and CC 28553 1137 3 R^1 R^1 NNP 28553 1137 4 are be VBP 28553 1137 5 connected connect VBN 28553 1137 6 with with IN 28553 1137 7 the the DT 28553 1137 8 earth earth NN 28553 1137 9 - - HYPH 28553 1137 10 plates plate NNS 28553 1137 11 E E NNP 28553 1137 12 E^1 E^1 NNP 28553 1137 13 . . . 28553 1138 1 An an DT 28553 1138 2 operator operator NN 28553 1138 3 at at IN 28553 1138 4 station station NN 28553 1138 5 1 1 CD 28553 1138 6 depresses depresse NNS 28553 1138 7 R r NN 28553 1138 8 so so IN 28553 1138 9 as as IN 28553 1138 10 to to TO 28553 1138 11 touch touch VB 28553 1138 12 B. B. NNP 28553 1139 1 Current current JJ 28553 1139 2 now now RB 28553 1139 3 flows flow VBZ 28553 1139 4 from from IN 28553 1139 5 the the DT 28553 1139 6 battery battery NN 28553 1139 7 to to IN 28553 1139 8 B b NN 28553 1139 9 , , , 28553 1139 10 thence thence NN 28553 1139 11 through through IN 28553 1139 12 R r NN 28553 1139 13 to to IN 28553 1139 14 the the DT 28553 1139 15 line line NN 28553 1139 16 circuit circuit NN 28553 1139 17 , , , 28553 1139 18 round round IN 28553 1139 19 the the DT 28553 1139 20 coils coil NNS 28553 1139 21 of of IN 28553 1139 22 both both DT 28553 1139 23 dials dial NNS 28553 1139 24 through through IN 28553 1139 25 L^1 L^1 NNP 28553 1139 26 A^1 A^1 NNP 28553 1139 27 and and CC 28553 1139 28 R r NN 28553 1139 29 to to IN 28553 1139 30 earth earth NN 28553 1139 31 - - HYPH 28553 1139 32 plate plate NN 28553 1139 33 E^1 E^1 NNP 28553 1139 34 , , , 28553 1139 35 through through IN 28553 1139 36 the the DT 28553 1139 37 earth earth NN 28553 1139 38 to to IN 28553 1139 39 E e NN 28553 1139 40 , , , 28553 1139 41 and and CC 28553 1139 42 then then RB 28553 1139 43 back back RB 28553 1139 44 to to IN 28553 1139 45 the the DT 28553 1139 46 battery battery NN 28553 1139 47 through through IN 28553 1139 48 L L NNP 28553 1139 49 and and CC 28553 1139 50 A. a. NN 28553 1140 1 The the DT 28553 1140 2 needles needle NNS 28553 1140 3 assume assume VBP 28553 1140 4 the the DT 28553 1140 5 position position NN 28553 1140 6 shown show VBN 28553 1140 7 . . . 28553 1141 1 To to TO 28553 1141 2 reverse reverse VB 28553 1141 3 the the DT 28553 1141 4 current current JJ 28553 1141 5 the the DT 28553 1141 6 operator operator NN 28553 1141 7 allows allow VBZ 28553 1141 8 R r NN 28553 1141 9 to to TO 28553 1141 10 rise rise VB 28553 1141 11 into into IN 28553 1141 12 contact contact NN 28553 1141 13 with with IN 28553 1141 14 A a NN 28553 1141 15 , , , 28553 1141 16 and and CC 28553 1141 17 depresses depress VBZ 28553 1141 18 L L NNP 28553 1141 19 to to TO 28553 1141 20 touch touch VB 28553 1141 21 B. B. NNP 28553 1142 1 The the DT 28553 1142 2 course course NN 28553 1142 3 can can MD 28553 1142 4 be be VB 28553 1142 5 traced trace VBN 28553 1142 6 out out RP 28553 1142 7 easily easily RB 28553 1142 8 . . . 28553 1143 1 In in IN 28553 1143 2 the the DT 28553 1143 3 Wheatstone Wheatstone NNP 28553 1143 4 " " `` 28553 1143 5 drop drop VB 28553 1143 6 - - HYPH 28553 1143 7 handle handle NN 28553 1143 8 " " '' 28553 1143 9 instrument instrument NN 28553 1143 10 ( ( -LRB- 28553 1143 11 Fig fig NN 28553 1143 12 . . . 28553 1144 1 54 54 LS 28553 1144 2 ) ) -RRB- 28553 1144 3 the the DT 28553 1144 4 commutator commutator NN 28553 1144 5 may may MD 28553 1144 6 be be VB 28553 1144 7 described describe VBN 28553 1144 8 as as IN 28553 1144 9 an an DT 28553 1144 10 insulated insulated JJ 28553 1144 11 core core NN 28553 1144 12 on on IN 28553 1144 13 which which WDT 28553 1144 14 are be VBP 28553 1144 15 two two CD 28553 1144 16 short short JJ 28553 1144 17 lengths length NNS 28553 1144 18 of of IN 28553 1144 19 brass brass NN 28553 1144 20 tubing tubing NN 28553 1144 21 . . . 28553 1145 1 One one CD 28553 1145 2 of of IN 28553 1145 3 these these DT 28553 1145 4 has have VBZ 28553 1145 5 rubbing rub VBG 28553 1145 6 against against IN 28553 1145 7 it -PRON- PRP 28553 1145 8 a a DT 28553 1145 9 spring spring NN 28553 1145 10 connected connect VBN 28553 1145 11 with with IN 28553 1145 12 the the DT 28553 1145 13 + + SYM 28553 1145 14 terminal terminal NN 28553 1145 15 of of IN 28553 1145 16 the the DT 28553 1145 17 battery battery NN 28553 1145 18 ; ; : 28553 1145 19 the the DT 28553 1145 20 other other JJ 28553 1145 21 has have VBZ 28553 1145 22 similar similar JJ 28553 1145 23 communication communication NN 28553 1145 24 with with IN 28553 1145 25 the the DT 28553 1145 26 - - HYPH 28553 1145 27 terminal terminal NN 28553 1145 28 . . . 28553 1146 1 Projecting project VBG 28553 1146 2 from from IN 28553 1146 3 each each DT 28553 1146 4 tube tube NN 28553 1146 5 is be VBZ 28553 1146 6 a a DT 28553 1146 7 spike spike NN 28553 1146 8 , , , 28553 1146 9 and and CC 28553 1146 10 rising rise VBG 28553 1146 11 from from IN 28553 1146 12 the the DT 28553 1146 13 baseboard baseboard NN 28553 1146 14 are be VBP 28553 1146 15 four four CD 28553 1146 16 upright upright JJ 28553 1146 17 brass brass NN 28553 1146 18 strips strip NNS 28553 1146 19 not not RB 28553 1146 20 quite quite RB 28553 1146 21 touching touch VBG 28553 1146 22 the the DT 28553 1146 23 commutator commutator NN 28553 1146 24 . . . 28553 1147 1 Those those DT 28553 1147 2 on on IN 28553 1147 3 one one CD 28553 1147 4 side side NN 28553 1147 5 lead lead NN 28553 1147 6 to to IN 28553 1147 7 the the DT 28553 1147 8 line line NN 28553 1147 9 circuit circuit NN 28553 1147 10 , , , 28553 1147 11 those those DT 28553 1147 12 on on IN 28553 1147 13 the the DT 28553 1147 14 other other JJ 28553 1147 15 to to IN 28553 1147 16 the the DT 28553 1147 17 earth earth NN 28553 1147 18 - - HYPH 28553 1147 19 plate plate NN 28553 1147 20 . . . 28553 1148 1 When when WRB 28553 1148 2 the the DT 28553 1148 3 handle handle NN 28553 1148 4 is be VBZ 28553 1148 5 turned turn VBN 28553 1148 6 one one CD 28553 1148 7 way way NN 28553 1148 8 , , , 28553 1148 9 the the DT 28553 1148 10 spikes spike NNS 28553 1148 11 touch touch VBP 28553 1148 12 the the DT 28553 1148 13 forward forward JJ 28553 1148 14 line line NN 28553 1148 15 strip strip NNP 28553 1148 16 and and CC 28553 1148 17 the the DT 28553 1148 18 rear rear JJ 28553 1148 19 earth earth NN 28553 1148 20 strip strip NN 28553 1148 21 , , , 28553 1148 22 and and CC 28553 1148 23 _ _ NNP 28553 1148 24 vice vice NNP 28553 1148 25 versâ versâ NNP 28553 1148 26 _ _ NNP 28553 1148 27 when when WRB 28553 1148 28 moved move VBN 28553 1148 29 in in IN 28553 1148 30 the the DT 28553 1148 31 opposite opposite JJ 28553 1148 32 direction direction NN 28553 1148 33 . . . 28553 1149 1 SOUNDING SOUNDING NNP 28553 1149 2 INSTRUMENTS INSTRUMENTS NNP 28553 1149 3 . . . 28553 1150 1 Sometimes sometimes RB 28553 1150 2 little little JJ 28553 1150 3 brass brass NN 28553 1150 4 strips strip NNS 28553 1150 5 are be VBP 28553 1150 6 attached attach VBN 28553 1150 7 to to IN 28553 1150 8 the the DT 28553 1150 9 dial dial NN 28553 1150 10 plate plate NN 28553 1150 11 of of IN 28553 1150 12 a a DT 28553 1150 13 needle needle NN 28553 1150 14 instrument instrument NN 28553 1150 15 for for IN 28553 1150 16 the the DT 28553 1150 17 needle needle NN 28553 1150 18 to to TO 28553 1150 19 strike strike VB 28553 1150 20 against against IN 28553 1150 21 . . . 28553 1151 1 As as IN 28553 1151 2 these these DT 28553 1151 3 give give VBP 28553 1151 4 different different JJ 28553 1151 5 notes note NNS 28553 1151 6 , , , 28553 1151 7 the the DT 28553 1151 8 operator operator NN 28553 1151 9 can can MD 28553 1151 10 comprehend comprehend VB 28553 1151 11 the the DT 28553 1151 12 message message NN 28553 1151 13 by by IN 28553 1151 14 ear ear NN 28553 1151 15 alone alone RB 28553 1151 16 . . . 28553 1152 1 But but CC 28553 1152 2 the the DT 28553 1152 3 most most RBS 28553 1152 4 widely widely RB 28553 1152 5 used use VBN 28553 1152 6 sounding sound VBG 28553 1152 7 instrument instrument NN 28553 1152 8 is be VBZ 28553 1152 9 the the DT 28553 1152 10 Morse Morse NNP 28553 1152 11 sounder sounder NN 28553 1152 12 , , , 28553 1152 13 named name VBN 28553 1152 14 after after IN 28553 1152 15 its -PRON- PRP$ 28553 1152 16 inventor inventor NN 28553 1152 17 . . . 28553 1153 1 For for IN 28553 1153 2 this this DT 28553 1153 3 a a DT 28553 1153 4 reversible reversible JJ 28553 1153 5 current current NN 28553 1153 6 is be VBZ 28553 1153 7 not not RB 28553 1153 8 needed need VBN 28553 1153 9 . . . 28553 1154 1 The the DT 28553 1154 2 receiver receiver NN 28553 1154 3 is be VBZ 28553 1154 4 merely merely RB 28553 1154 5 an an DT 28553 1154 6 electro electro JJ 28553 1154 7 - - HYPH 28553 1154 8 magnet magnet NN 28553 1154 9 ( ( -LRB- 28553 1154 10 connected connect VBN 28553 1154 11 with with IN 28553 1154 12 the the DT 28553 1154 13 line line NN 28553 1154 14 circuit circuit NN 28553 1154 15 and and CC 28553 1154 16 an an DT 28553 1154 17 earth earth NN 28553 1154 18 - - HYPH 28553 1154 19 plate plate NN 28553 1154 20 ) ) -RRB- 28553 1154 21 which which WDT 28553 1154 22 , , , 28553 1154 23 when when WRB 28553 1154 24 a a DT 28553 1154 25 current current JJ 28553 1154 26 passes pass VBZ 28553 1154 27 , , , 28553 1154 28 attracts attract VBZ 28553 1154 29 a a DT 28553 1154 30 little little JJ 28553 1154 31 iron iron NN 28553 1154 32 bar bar NN 28553 1154 33 attached attach VBN 28553 1154 34 to to IN 28553 1154 35 the the DT 28553 1154 36 middle middle NN 28553 1154 37 of of IN 28553 1154 38 a a DT 28553 1154 39 pivoted pivoted JJ 28553 1154 40 lever lever NN 28553 1154 41 . . . 28553 1155 1 The the DT 28553 1155 2 free free JJ 28553 1155 3 end end NN 28553 1155 4 of of IN 28553 1155 5 the the DT 28553 1155 6 lever lever NN 28553 1155 7 works work VBZ 28553 1155 8 between between IN 28553 1155 9 two two CD 28553 1155 10 stops stop NNS 28553 1155 11 . . . 28553 1156 1 Every every DT 28553 1156 2 time time NN 28553 1156 3 the the DT 28553 1156 4 circuit circuit NN 28553 1156 5 is be VBZ 28553 1156 6 closed close VBN 28553 1156 7 by by IN 28553 1156 8 the the DT 28553 1156 9 transmitting transmit VBG 28553 1156 10 key key NN 28553 1156 11 at at IN 28553 1156 12 the the DT 28553 1156 13 sending sending NN 28553 1156 14 station station NN 28553 1156 15 the the DT 28553 1156 16 lever lever NN 28553 1156 17 flies fly VBZ 28553 1156 18 down down RP 28553 1156 19 against against IN 28553 1156 20 the the DT 28553 1156 21 lower low JJR 28553 1156 22 stop stop NN 28553 1156 23 , , , 28553 1156 24 to to TO 28553 1156 25 rise rise VB 28553 1156 26 again again RB 28553 1156 27 when when WRB 28553 1156 28 the the DT 28553 1156 29 circuit circuit NN 28553 1156 30 is be VBZ 28553 1156 31 broken break VBN 28553 1156 32 . . . 28553 1157 1 The the DT 28553 1157 2 duration duration NN 28553 1157 3 of of IN 28553 1157 4 its -PRON- PRP$ 28553 1157 5 stay stay NN 28553 1157 6 decides decide VBZ 28553 1157 7 whether whether IN 28553 1157 8 a a DT 28553 1157 9 " " `` 28553 1157 10 long long JJ 28553 1157 11 " " '' 28553 1157 12 or or CC 28553 1157 13 " " `` 28553 1157 14 short short JJ 28553 1157 15 " " '' 28553 1157 16 is be VBZ 28553 1157 17 meant mean VBN 28553 1157 18 . . . 28553 1158 1 TELEGRAPHIC telegraphic NN 28553 1158 2 RELAYS relay NNS 28553 1158 3 . . . 28553 1159 1 [ [ -LRB- 28553 1159 2 Illustration illustration NN 28553 1159 3 : : : 28553 1159 4 FIG FIG NNP 28553 1159 5 . . . 28553 1160 1 58.--Section 58.--section CD 28553 1160 2 of of IN 28553 1160 3 a a DT 28553 1160 4 telegraph telegraph NN 28553 1160 5 wire wire NN 28553 1160 6 insulator insulator NN 28553 1160 7 on on IN 28553 1160 8 its -PRON- PRP$ 28553 1160 9 arm arm NN 28553 1160 10 . . . 28553 1161 1 The the DT 28553 1161 2 shaded shaded JJ 28553 1161 3 circle circle NN 28553 1161 4 is be VBZ 28553 1161 5 the the DT 28553 1161 6 line line NN 28553 1161 7 wire wire NN 28553 1161 8 , , , 28553 1161 9 the the DT 28553 1161 10 two two CD 28553 1161 11 blank blank JJ 28553 1161 12 circles circle NNS 28553 1161 13 indicate indicate VBP 28553 1161 14 the the DT 28553 1161 15 wire wire NN 28553 1161 16 which which WDT 28553 1161 17 ties tie VBZ 28553 1161 18 the the DT 28553 1161 19 line line NN 28553 1161 20 wire wire NN 28553 1161 21 to to IN 28553 1161 22 the the DT 28553 1161 23 insulator insulator NN 28553 1161 24 . . . 28553 1161 25 ] ] -RRB- 28553 1162 1 When when WRB 28553 1162 2 an an DT 28553 1162 3 electric electric JJ 28553 1162 4 current current NN 28553 1162 5 has have VBZ 28553 1162 6 travelled travel VBN 28553 1162 7 for for IN 28553 1162 8 a a DT 28553 1162 9 long long JJ 28553 1162 10 distance distance NN 28553 1162 11 through through IN 28553 1162 12 a a DT 28553 1162 13 wire wire NN 28553 1162 14 its -PRON- PRP$ 28553 1162 15 strength strength NN 28553 1162 16 is be VBZ 28553 1162 17 much much RB 28553 1162 18 reduced reduce VBN 28553 1162 19 on on IN 28553 1162 20 account account NN 28553 1162 21 of of IN 28553 1162 22 the the DT 28553 1162 23 resistance resistance NN 28553 1162 24 of of IN 28553 1162 25 the the DT 28553 1162 26 wire wire NN 28553 1162 27 , , , 28553 1162 28 and and CC 28553 1162 29 may may MD 28553 1162 30 be be VB 28553 1162 31 insufficient insufficient JJ 28553 1162 32 to to TO 28553 1162 33 cause cause VB 28553 1162 34 the the DT 28553 1162 35 electro electro JJ 28553 1162 36 - - HYPH 28553 1162 37 magnet magnet NN 28553 1162 38 of of IN 28553 1162 39 the the DT 28553 1162 40 sounder sounder NN 28553 1162 41 to to TO 28553 1162 42 move move VB 28553 1162 43 the the DT 28553 1162 44 heavy heavy JJ 28553 1162 45 lever lever NN 28553 1162 46 . . . 28553 1163 1 Instead instead RB 28553 1163 2 , , , 28553 1163 3 therefore therefore RB 28553 1163 4 , , , 28553 1163 5 of of IN 28553 1163 6 the the DT 28553 1163 7 current current JJ 28553 1163 8 acting acting NN 28553 1163 9 directly directly RB 28553 1163 10 on on IN 28553 1163 11 the the DT 28553 1163 12 sounder sounder NN 28553 1163 13 magnet magnet NN 28553 1163 14 , , , 28553 1163 15 it -PRON- PRP 28553 1163 16 is be VBZ 28553 1163 17 used use VBN 28553 1163 18 to to TO 28553 1163 19 energize energize VB 28553 1163 20 a a DT 28553 1163 21 small small JJ 28553 1163 22 magnet magnet NN 28553 1163 23 , , , 28553 1163 24 or or CC 28553 1163 25 _ _ NNP 28553 1163 26 relay relay NN 28553 1163 27 _ _ NNP 28553 1163 28 , , , 28553 1163 29 which which WDT 28553 1163 30 pulls pull VBZ 28553 1163 31 down down RP 28553 1163 32 a a DT 28553 1163 33 light light JJ 28553 1163 34 bar bar NN 28553 1163 35 and and CC 28553 1163 36 closes close VBZ 28553 1163 37 a a DT 28553 1163 38 second second JJ 28553 1163 39 " " `` 28553 1163 40 local local JJ 28553 1163 41 " " '' 28553 1163 42 circuit circuit NN 28553 1163 43 -- -- : 28553 1163 44 that that RB 28553 1163 45 is is RB 28553 1163 46 , , , 28553 1163 47 one one CD 28553 1163 48 at at IN 28553 1163 49 the the DT 28553 1163 50 receiver receiver NN 28553 1163 51 end end NN 28553 1163 52 -- -- : 28553 1163 53 worked work VBN 28553 1163 54 by by IN 28553 1163 55 a a DT 28553 1163 56 separate separate JJ 28553 1163 57 battery battery NN 28553 1163 58 , , , 28553 1163 59 which which WDT 28553 1163 60 has have VBZ 28553 1163 61 sufficient sufficient JJ 28553 1163 62 power power NN 28553 1163 63 to to TO 28553 1163 64 operate operate VB 28553 1163 65 the the DT 28553 1163 66 sounder sounder NN 28553 1163 67 . . . 28553 1164 1 RECORDING record VBG 28553 1164 2 TELEGRAPHS TELEGRAPHS NNP 28553 1164 3 . . . 28553 1165 1 By by IN 28553 1165 2 attaching attach VBG 28553 1165 3 a a DT 28553 1165 4 small small JJ 28553 1165 5 wheel wheel NN 28553 1165 6 to to IN 28553 1165 7 the the DT 28553 1165 8 end end NN 28553 1165 9 of of IN 28553 1165 10 a a DT 28553 1165 11 Morse morse NN 28553 1165 12 - - HYPH 28553 1165 13 sounder sounder NN 28553 1165 14 lever lever NN 28553 1165 15 , , , 28553 1165 16 by by IN 28553 1165 17 arranging arrange VBG 28553 1165 18 an an DT 28553 1165 19 ink ink NN 28553 1165 20 - - HYPH 28553 1165 21 well well NN 28553 1165 22 for for IN 28553 1165 23 the the DT 28553 1165 24 wheel wheel NN 28553 1165 25 to to TO 28553 1165 26 dip dip VB 28553 1165 27 into into IN 28553 1165 28 when when WRB 28553 1165 29 the the DT 28553 1165 30 end end NN 28553 1165 31 falls fall VBZ 28553 1165 32 , , , 28553 1165 33 and and CC 28553 1165 34 by by IN 28553 1165 35 moving move VBG 28553 1165 36 a a DT 28553 1165 37 paper paper NN 28553 1165 38 ribbon ribbon NN 28553 1165 39 slowly slowly RB 28553 1165 40 along along RB 28553 1165 41 for for IN 28553 1165 42 the the DT 28553 1165 43 wheel wheel NN 28553 1165 44 to to TO 28553 1165 45 press press VB 28553 1165 46 against against IN 28553 1165 47 when when WRB 28553 1165 48 it -PRON- PRP 28553 1165 49 rises rise VBZ 28553 1165 50 , , , 28553 1165 51 a a DT 28553 1165 52 self self NN 28553 1165 53 - - HYPH 28553 1165 54 recording record VBG 28553 1165 55 Morse Morse NNP 28553 1165 56 inker inker NN 28553 1165 57 is be VBZ 28553 1165 58 produced produce VBN 28553 1165 59 . . . 28553 1166 1 The the DT 28553 1166 2 ribbon ribbon NN 28553 1166 3 - - HYPH 28553 1166 4 feeding feeding NN 28553 1166 5 apparatus apparatus NN 28553 1166 6 is be VBZ 28553 1166 7 set set VBN 28553 1166 8 in in IN 28553 1166 9 motion motion NN 28553 1166 10 automatically automatically RB 28553 1166 11 by by IN 28553 1166 12 the the DT 28553 1166 13 current current NN 28553 1166 14 , , , 28553 1166 15 and and CC 28553 1166 16 continues continue VBZ 28553 1166 17 to to TO 28553 1166 18 pull pull VB 28553 1166 19 the the DT 28553 1166 20 ribbon ribbon NN 28553 1166 21 along along IN 28553 1166 22 until until IN 28553 1166 23 the the DT 28553 1166 24 message message NN 28553 1166 25 is be VBZ 28553 1166 26 completed complete VBN 28553 1166 27 . . . 28553 1167 1 The the DT 28553 1167 2 Hughes Hughes NNP 28553 1167 3 type type NN 28553 1167 4 - - HYPH 28553 1167 5 printer printer NN 28553 1167 6 covers cover VBZ 28553 1167 7 a a DT 28553 1167 8 sheet sheet NN 28553 1167 9 of of IN 28553 1167 10 paper paper NN 28553 1167 11 with with IN 28553 1167 12 printed print VBN 28553 1167 13 characters character NNS 28553 1167 14 in in IN 28553 1167 15 bold bold JJ 28553 1167 16 Roman roman JJ 28553 1167 17 type type NN 28553 1167 18 . . . 28553 1168 1 The the DT 28553 1168 2 transmitter transmitter NN 28553 1168 3 has have VBZ 28553 1168 4 a a DT 28553 1168 5 keyboard keyboard NN 28553 1168 6 , , , 28553 1168 7 on on IN 28553 1168 8 which which WDT 28553 1168 9 are be VBP 28553 1168 10 marked mark VBN 28553 1168 11 letters letter NNS 28553 1168 12 , , , 28553 1168 13 signs sign NNS 28553 1168 14 , , , 28553 1168 15 and and CC 28553 1168 16 numbers number NNS 28553 1168 17 ; ; : 28553 1168 18 also also RB 28553 1168 19 a a DT 28553 1168 20 type type NN 28553 1168 21 - - HYPH 28553 1168 22 wheel wheel NN 28553 1168 23 , , , 28553 1168 24 with with IN 28553 1168 25 the the DT 28553 1168 26 characters character NNS 28553 1168 27 on on IN 28553 1168 28 its -PRON- PRP$ 28553 1168 29 circumference circumference NN 28553 1168 30 , , , 28553 1168 31 rotated rotate VBN 28553 1168 32 by by IN 28553 1168 33 electricity electricity NN 28553 1168 34 . . . 28553 1169 1 The the DT 28553 1169 2 receiver receiver NN 28553 1169 3 contains contain VBZ 28553 1169 4 mechanisms mechanism NNS 28553 1169 5 for for IN 28553 1169 6 rotating rotate VBG 28553 1169 7 another another DT 28553 1169 8 type type NN 28553 1169 9 - - HYPH 28553 1169 10 wheel wheel NN 28553 1169 11 synchronously synchronously RB 28553 1169 12 -- -- : 28553 1169 13 that that RB 28553 1169 14 is is RB 28553 1169 15 , , , 28553 1169 16 in in IN 28553 1169 17 time time NN 28553 1169 18 -- -- : 28553 1169 19 with with IN 28553 1169 20 the the DT 28553 1169 21 first first JJ 28553 1169 22 ; ; : 28553 1169 23 for for IN 28553 1169 24 shifting shift VBG 28553 1169 25 the the DT 28553 1169 26 wheel wheel NN 28553 1169 27 across across IN 28553 1169 28 the the DT 28553 1169 29 paper paper NN 28553 1169 30 ; ; : 28553 1169 31 for for IN 28553 1169 32 pressing press VBG 28553 1169 33 the the DT 28553 1169 34 paper paper NN 28553 1169 35 against against IN 28553 1169 36 the the DT 28553 1169 37 wheel wheel NN 28553 1169 38 ; ; : 28553 1169 39 and and CC 28553 1169 40 for for IN 28553 1169 41 moving move VBG 28553 1169 42 the the DT 28553 1169 43 paper paper NN 28553 1169 44 when when WRB 28553 1169 45 a a DT 28553 1169 46 fresh fresh JJ 28553 1169 47 line line NN 28553 1169 48 is be VBZ 28553 1169 49 needed need VBN 28553 1169 50 . . . 28553 1170 1 These these DT 28553 1170 2 are be VBP 28553 1170 3 too too RB 28553 1170 4 complicated complicated JJ 28553 1170 5 to to TO 28553 1170 6 be be VB 28553 1170 7 described describe VBN 28553 1170 8 here here RB 28553 1170 9 in in IN 28553 1170 10 detail detail NN 28553 1170 11 . . . 28553 1171 1 By by IN 28553 1171 2 means mean NNS 28553 1171 3 of of IN 28553 1171 4 relays relay NNS 28553 1171 5 one one CD 28553 1171 6 transmitter transmitter NN 28553 1171 7 may may MD 28553 1171 8 be be VB 28553 1171 9 made make VBN 28553 1171 10 to to TO 28553 1171 11 work work VB 28553 1171 12 five five CD 28553 1171 13 hundred hundred CD 28553 1171 14 receivers receiver NNS 28553 1171 15 . . . 28553 1172 1 In in IN 28553 1172 2 London London NNP 28553 1172 3 a a DT 28553 1172 4 single single JJ 28553 1172 5 operator operator NN 28553 1172 6 , , , 28553 1172 7 controlling control VBG 28553 1172 8 a a DT 28553 1172 9 keyboard keyboard NN 28553 1172 10 in in IN 28553 1172 11 the the DT 28553 1172 12 central central JJ 28553 1172 13 dispatching dispatch VBG 28553 1172 14 office office NN 28553 1172 15 , , , 28553 1172 16 causes cause VBZ 28553 1172 17 typewritten typewritten VBP 28553 1172 18 messages message NNS 28553 1172 19 to to TO 28553 1172 20 spell spell VB 28553 1172 21 themselves -PRON- PRP 28553 1172 22 out out RP 28553 1172 23 simultaneously simultaneously RB 28553 1172 24 in in IN 28553 1172 25 machines machine NNS 28553 1172 26 distributed distribute VBN 28553 1172 27 all all RB 28553 1172 28 over over IN 28553 1172 29 the the DT 28553 1172 30 metropolis metropolis NN 28553 1172 31 . . . 28553 1173 1 The the DT 28553 1173 2 tape tape NN 28553 1173 3 machine machine NN 28553 1173 4 resembles resemble VBZ 28553 1173 5 that that WDT 28553 1173 6 just just RB 28553 1173 7 described describe VBD 28553 1173 8 in in IN 28553 1173 9 many many JJ 28553 1173 10 details detail NNS 28553 1173 11 . . . 28553 1174 1 The the DT 28553 1174 2 main main JJ 28553 1174 3 difference difference NN 28553 1174 4 is be VBZ 28553 1174 5 that that IN 28553 1174 6 it -PRON- PRP 28553 1174 7 prints print VBZ 28553 1174 8 on on IN 28553 1174 9 a a DT 28553 1174 10 continuous continuous JJ 28553 1174 11 ribbon ribbon NN 28553 1174 12 instead instead RB 28553 1174 13 of of IN 28553 1174 14 on on IN 28553 1174 15 sheets sheet NNS 28553 1174 16 . . . 28553 1175 1 Automatic automatic JJ 28553 1175 2 electric electric JJ 28553 1175 3 printers printer NNS 28553 1175 4 of of IN 28553 1175 5 some some DT 28553 1175 6 kind kind NN 28553 1175 7 or or CC 28553 1175 8 other other JJ 28553 1175 9 are be VBP 28553 1175 10 to to TO 28553 1175 11 be be VB 28553 1175 12 found find VBN 28553 1175 13 in in IN 28553 1175 14 the the DT 28553 1175 15 vestibules vestibule NNS 28553 1175 16 of of IN 28553 1175 17 all all PDT 28553 1175 18 the the DT 28553 1175 19 principal principal JJ 28553 1175 20 hotels hotel NNS 28553 1175 21 and and CC 28553 1175 22 clubs club NNS 28553 1175 23 of of IN 28553 1175 24 our -PRON- PRP$ 28553 1175 25 large large JJ 28553 1175 26 cities city NNS 28553 1175 27 , , , 28553 1175 28 and and CC 28553 1175 29 in in IN 28553 1175 30 the the DT 28553 1175 31 offices office NNS 28553 1175 32 of of IN 28553 1175 33 bankers banker NNS 28553 1175 34 , , , 28553 1175 35 stockbrokers stockbroker NNS 28553 1175 36 , , , 28553 1175 37 and and CC 28553 1175 38 newspaper newspaper NN 28553 1175 39 editors editor NNS 28553 1175 40 . . . 28553 1176 1 In in IN 28553 1176 2 London London NNP 28553 1176 3 alone alone RB 28553 1176 4 over over IN 28553 1176 5 500 500 CD 28553 1176 6 million million CD 28553 1176 7 words word NNS 28553 1176 8 are be VBP 28553 1176 9 printed print VBN 28553 1176 10 by by IN 28553 1176 11 the the DT 28553 1176 12 receivers receiver NNS 28553 1176 13 in in IN 28553 1176 14 a a DT 28553 1176 15 year year NN 28553 1176 16 . . . 28553 1177 1 HIGH high JJ 28553 1177 2 - - HYPH 28553 1177 3 SPEED SPEED NNP 28553 1177 4 TELEGRAPHY TELEGRAPHY NNP 28553 1177 5 . . . 28553 1178 1 At at IN 28553 1178 2 certain certain JJ 28553 1178 3 seasons season NNS 28553 1178 4 , , , 28553 1178 5 or or CC 28553 1178 6 when when WRB 28553 1178 7 important important JJ 28553 1178 8 political political JJ 28553 1178 9 events event NNS 28553 1178 10 are be VBP 28553 1178 11 taking take VBG 28553 1178 12 place place NN 28553 1178 13 , , , 28553 1178 14 the the DT 28553 1178 15 telegraph telegraph NN 28553 1178 16 service service NN 28553 1178 17 would would MD 28553 1178 18 become become VB 28553 1178 19 congested congested JJ 28553 1178 20 with with IN 28553 1178 21 news news NN 28553 1178 22 were be VBD 28553 1178 23 there there RB 28553 1178 24 not not RB 28553 1178 25 some some DT 28553 1178 26 means mean NNS 28553 1178 27 of of IN 28553 1178 28 transmitting transmit VBG 28553 1178 29 messages message NNS 28553 1178 30 at at IN 28553 1178 31 a a DT 28553 1178 32 much much RB 28553 1178 33 greater great JJR 28553 1178 34 speed speed NN 28553 1178 35 than than IN 28553 1178 36 is be VBZ 28553 1178 37 possible possible JJ 28553 1178 38 by by IN 28553 1178 39 hand hand NN 28553 1178 40 signalling signalling NN 28553 1178 41 . . . 28553 1179 1 Fifty fifty CD 28553 1179 2 words word VBZ 28553 1179 3 a a DT 28553 1179 4 minute minute NN 28553 1179 5 is be VBZ 28553 1179 6 about about RB 28553 1179 7 the the DT 28553 1179 8 limit limit NN 28553 1179 9 speed speed NN 28553 1179 10 that that WDT 28553 1179 11 a a DT 28553 1179 12 good good JJ 28553 1179 13 operator operator NN 28553 1179 14 can can MD 28553 1179 15 maintain maintain VB 28553 1179 16 . . . 28553 1180 1 By by IN 28553 1180 2 means mean NNS 28553 1180 3 of of IN 28553 1180 4 Wheatstone Wheatstone NNP 28553 1180 5 's 's POS 28553 1180 6 _ _ NNP 28553 1180 7 automatic automatic JJ 28553 1180 8 transmitter transmitter NN 28553 1180 9 _ _ NNP 28553 1180 10 the the DT 28553 1180 11 rate rate NN 28553 1180 12 can can MD 28553 1180 13 be be VB 28553 1180 14 increased increase VBN 28553 1180 15 to to IN 28553 1180 16 400 400 CD 28553 1180 17 words word NNS 28553 1180 18 per per IN 28553 1180 19 minute minute NN 28553 1180 20 . . . 28553 1181 1 Paper paper NN 28553 1181 2 ribbons ribbon NNS 28553 1181 3 are be VBP 28553 1181 4 punched punch VBN 28553 1181 5 in in IN 28553 1181 6 special special JJ 28553 1181 7 machines machine NNS 28553 1181 8 by by IN 28553 1181 9 a a DT 28553 1181 10 number number NN 28553 1181 11 of of IN 28553 1181 12 clerks clerk NNS 28553 1181 13 with with IN 28553 1181 14 a a DT 28553 1181 15 series series NN 28553 1181 16 of of IN 28553 1181 17 holes hole NNS 28553 1181 18 which which WDT 28553 1181 19 by by IN 28553 1181 20 their -PRON- PRP$ 28553 1181 21 position position NN 28553 1181 22 indicate indicate VBP 28553 1181 23 a a DT 28553 1181 24 dot dot NN 28553 1181 25 or or CC 28553 1181 26 a a DT 28553 1181 27 dash dash NN 28553 1181 28 . . . 28553 1182 1 The the DT 28553 1182 2 ribbons ribbon NNS 28553 1182 3 are be VBP 28553 1182 4 passed pass VBN 28553 1182 5 through through IN 28553 1182 6 a a DT 28553 1182 7 special special JJ 28553 1182 8 transmitter transmitter NN 28553 1182 9 , , , 28553 1182 10 over over IN 28553 1182 11 little little JJ 28553 1182 12 electric electric JJ 28553 1182 13 brushes brush NNS 28553 1182 14 , , , 28553 1182 15 which which WDT 28553 1182 16 make make VBP 28553 1182 17 contact contact NN 28553 1182 18 through through IN 28553 1182 19 the the DT 28553 1182 20 holes hole NNS 28553 1182 21 with with IN 28553 1182 22 surfaces surface NNS 28553 1182 23 connected connect VBN 28553 1182 24 to to IN 28553 1182 25 the the DT 28553 1182 26 line line NN 28553 1182 27 circuit circuit NN 28553 1182 28 . . . 28553 1183 1 At at IN 28553 1183 2 the the DT 28553 1183 3 receiver receiver NN 28553 1183 4 end end VBP 28553 1183 5 the the DT 28553 1183 6 message message NN 28553 1183 7 is be VBZ 28553 1183 8 printed print VBN 28553 1183 9 by by IN 28553 1183 10 a a DT 28553 1183 11 Morse Morse NNP 28553 1183 12 inker inker NN 28553 1183 13 . . . 28553 1184 1 It -PRON- PRP 28553 1184 2 has have VBZ 28553 1184 3 been be VBN 28553 1184 4 found find VBN 28553 1184 5 possible possible JJ 28553 1184 6 to to TO 28553 1184 7 send send VB 28553 1184 8 several several JJ 28553 1184 9 messages message NNS 28553 1184 10 simultaneously simultaneously RB 28553 1184 11 over over IN 28553 1184 12 a a DT 28553 1184 13 single single JJ 28553 1184 14 line line NN 28553 1184 15 . . . 28553 1185 1 To to TO 28553 1185 2 effect effect VB 28553 1185 3 this this DT 28553 1185 4 a a DT 28553 1185 5 _ _ NNP 28553 1185 6 distributer distributer NN 28553 1185 7 _ _ NNP 28553 1185 8 is be VBZ 28553 1185 9 used use VBN 28553 1185 10 to to TO 28553 1185 11 put put VB 28553 1185 12 a a DT 28553 1185 13 number number NN 28553 1185 14 of of IN 28553 1185 15 transmitters transmitter NNS 28553 1185 16 at at IN 28553 1185 17 one one CD 28553 1185 18 end end NN 28553 1185 19 of of IN 28553 1185 20 the the DT 28553 1185 21 line line NN 28553 1185 22 in in IN 28553 1185 23 communication communication NN 28553 1185 24 with with IN 28553 1185 25 an an DT 28553 1185 26 equal equal JJ 28553 1185 27 number number NN 28553 1185 28 of of IN 28553 1185 29 receivers receiver NNS 28553 1185 30 at at IN 28553 1185 31 the the DT 28553 1185 32 other other JJ 28553 1185 33 end end NN 28553 1185 34 , , , 28553 1185 35 fed feed VBN 28553 1185 36 by by IN 28553 1185 37 a a DT 28553 1185 38 second second JJ 28553 1185 39 distributer distributer NN 28553 1185 40 keeping keep VBG 28553 1185 41 perfect perfect JJ 28553 1185 42 time time NN 28553 1185 43 with with IN 28553 1185 44 the the DT 28553 1185 45 first first JJ 28553 1185 46 . . . 28553 1186 1 Instead instead RB 28553 1186 2 of of IN 28553 1186 3 a a DT 28553 1186 4 signal signal NN 28553 1186 5 coming come VBG 28553 1186 6 as as IN 28553 1186 7 a a DT 28553 1186 8 whole whole NN 28553 1186 9 to to IN 28553 1186 10 any any DT 28553 1186 11 one one CD 28553 1186 12 instrument instrument NN 28553 1186 13 it -PRON- PRP 28553 1186 14 arrives arrive VBZ 28553 1186 15 in in IN 28553 1186 16 little little JJ 28553 1186 17 bits bit NNS 28553 1186 18 , , , 28553 1186 19 but but CC 28553 1186 20 these these DT 28553 1186 21 follow follow VBP 28553 1186 22 one one CD 28553 1186 23 another another DT 28553 1186 24 so so RB 28553 1186 25 closely closely RB 28553 1186 26 as as IN 28553 1186 27 to to TO 28553 1186 28 be be VB 28553 1186 29 practically practically RB 28553 1186 30 continuous continuous JJ 28553 1186 31 . . . 28553 1187 1 By by IN 28553 1187 2 working work VBG 28553 1187 3 a a DT 28553 1187 4 number number NN 28553 1187 5 of of IN 28553 1187 6 automatic automatic JJ 28553 1187 7 transmitters transmitter NNS 28553 1187 8 through through IN 28553 1187 9 a a DT 28553 1187 10 distributer distributer NN 28553 1187 11 , , , 28553 1187 12 a a DT 28553 1187 13 thousand thousand CD 28553 1187 14 words word NNS 28553 1187 15 or or CC 28553 1187 16 more more JJR 28553 1187 17 per per IN 28553 1187 18 minute minute NN 28553 1187 19 are be VBP 28553 1187 20 easily easily RB 28553 1187 21 dispatched dispatch VBN 28553 1187 22 over over IN 28553 1187 23 a a DT 28553 1187 24 single single JJ 28553 1187 25 wire wire NN 28553 1187 26 . . . 28553 1188 1 The the DT 28553 1188 2 Pollak Pollak NNP 28553 1188 3 Virag Virag NNP 28553 1188 4 system system NN 28553 1188 5 employs employ VBZ 28553 1188 6 a a DT 28553 1188 7 punched punched JJ 28553 1188 8 ribbon ribbon NN 28553 1188 9 , , , 28553 1188 10 and and CC 28553 1188 11 the the DT 28553 1188 12 receiver receiver NN 28553 1188 13 traces trace VBZ 28553 1188 14 out out RP 28553 1188 15 the the DT 28553 1188 16 message message NN 28553 1188 17 in in IN 28553 1188 18 alphabetical alphabetical JJ 28553 1188 19 characters character NNS 28553 1188 20 on on IN 28553 1188 21 a a DT 28553 1188 22 moving move VBG 28553 1188 23 strip strip NN 28553 1188 24 of of IN 28553 1188 25 sensitized sensitized JJ 28553 1188 26 photographic photographic JJ 28553 1188 27 paper paper NN 28553 1188 28 . . . 28553 1189 1 A a DT 28553 1189 2 mirror mirror NN 28553 1189 3 attached attach VBN 28553 1189 4 to to IN 28553 1189 5 a a DT 28553 1189 6 vibrating vibrate VBG 28553 1189 7 diaphragm diaphragm NN 28553 1189 8 reflects reflect VBZ 28553 1189 9 light light NN 28553 1189 10 from from IN 28553 1189 11 a a DT 28553 1189 12 lamp lamp NN 28553 1189 13 on on IN 28553 1189 14 to to IN 28553 1189 15 the the DT 28553 1189 16 strip strip NN 28553 1189 17 , , , 28553 1189 18 which which WDT 28553 1189 19 is be VBZ 28553 1189 20 automatically automatically RB 28553 1189 21 developed develop VBN 28553 1189 22 and and CC 28553 1189 23 fixed fix VBN 28553 1189 24 in in IN 28553 1189 25 chemical chemical NN 28553 1189 26 baths bath NNS 28553 1189 27 . . . 28553 1190 1 The the DT 28553 1190 2 method method NN 28553 1190 3 of of IN 28553 1190 4 moving move VBG 28553 1190 5 the the DT 28553 1190 6 mirror mirror NN 28553 1190 7 so so IN 28553 1190 8 as as IN 28553 1190 9 to to TO 28553 1190 10 make make VB 28553 1190 11 the the DT 28553 1190 12 rays ray NNS 28553 1190 13 trace trace VB 28553 1190 14 out out RP 28553 1190 15 words word NNS 28553 1190 16 is be VBZ 28553 1190 17 extremely extremely RB 28553 1190 18 ingenious ingenious JJ 28553 1190 19 . . . 28553 1191 1 Messages message NNS 28553 1191 2 have have VBP 28553 1191 3 been be VBN 28553 1191 4 transmitted transmit VBN 28553 1191 5 by by IN 28553 1191 6 this this DT 28553 1191 7 system system NN 28553 1191 8 at at IN 28553 1191 9 the the DT 28553 1191 10 rate rate NN 28553 1191 11 of of IN 28553 1191 12 180,000 180,000 CD 28553 1191 13 words word NNS 28553 1191 14 per per IN 28553 1191 15 hour hour NN 28553 1191 16 . . . 28553 1192 1 Chapter chapter NN 28553 1192 2 VII VII NNP 28553 1192 3 . . . 28553 1193 1 WIRELESS wireless JJ 28553 1193 2 TELEGRAPHY TELEGRAPHY NNP 28553 1193 3 . . . 28553 1194 1 The the DT 28553 1194 2 transmitting transmitting NN 28553 1194 3 apparatus apparatus NN 28553 1194 4 -- -- : 28553 1194 5 The the DT 28553 1194 6 receiving receive VBG 28553 1194 7 apparatus apparatus NN 28553 1194 8 -- -- : 28553 1194 9 Syntonic syntonic JJ 28553 1194 10 transmission transmission NN 28553 1194 11 -- -- : 28553 1194 12 The the DT 28553 1194 13 advance advance NN 28553 1194 14 of of IN 28553 1194 15 wireless wireless JJ 28553 1194 16 telegraphy telegraphy NN 28553 1194 17 . . . 28553 1195 1 In in IN 28553 1195 2 our -PRON- PRP$ 28553 1195 3 last last JJ 28553 1195 4 chapter chapter NN 28553 1195 5 we -PRON- PRP 28553 1195 6 reviewed review VBD 28553 1195 7 briefly briefly RB 28553 1195 8 some some DT 28553 1195 9 systems system NNS 28553 1195 10 of of IN 28553 1195 11 sending send VBG 28553 1195 12 telegraphic telegraphic JJ 28553 1195 13 messages message NNS 28553 1195 14 from from IN 28553 1195 15 one one CD 28553 1195 16 point point NN 28553 1195 17 of of IN 28553 1195 18 the the DT 28553 1195 19 earth earth NN 28553 1195 20 's 's POS 28553 1195 21 surface surface NN 28553 1195 22 to to IN 28553 1195 23 another another DT 28553 1195 24 through through IN 28553 1195 25 a a DT 28553 1195 26 circuit circuit NN 28553 1195 27 consisting consist VBG 28553 1195 28 partly partly RB 28553 1195 29 of of IN 28553 1195 30 an an DT 28553 1195 31 insulated insulated JJ 28553 1195 32 wire wire NN 28553 1195 33 and and CC 28553 1195 34 partly partly RB 28553 1195 35 of of IN 28553 1195 36 the the DT 28553 1195 37 earth earth NN 28553 1195 38 itself -PRON- PRP 28553 1195 39 . . . 28553 1196 1 The the DT 28553 1196 2 metallic metallic JJ 28553 1196 3 portion portion NN 28553 1196 4 of of IN 28553 1196 5 a a DT 28553 1196 6 long long JJ 28553 1196 7 circuit circuit NN 28553 1196 8 , , , 28553 1196 9 especially especially RB 28553 1196 10 if if IN 28553 1196 11 it -PRON- PRP 28553 1196 12 be be VB 28553 1196 13 a a DT 28553 1196 14 submarine submarine NN 28553 1196 15 cable cable NN 28553 1196 16 , , , 28553 1196 17 is be VBZ 28553 1196 18 costly costly JJ 28553 1196 19 to to TO 28553 1196 20 install install VB 28553 1196 21 , , , 28553 1196 22 so so IN 28553 1196 23 that that IN 28553 1196 24 in in IN 28553 1196 25 quite quite PDT 28553 1196 26 the the DT 28553 1196 27 early early JJ 28553 1196 28 days day NNS 28553 1196 29 of of IN 28553 1196 30 telegraphy telegraphy NN 28553 1196 31 efforts effort NNS 28553 1196 32 were be VBD 28553 1196 33 made make VBN 28553 1196 34 to to TO 28553 1196 35 use use VB 28553 1196 36 the the DT 28553 1196 37 ether ether NN 28553 1196 38 in in IN 28553 1196 39 the the DT 28553 1196 40 place place NN 28553 1196 41 of of IN 28553 1196 42 wire wire NN 28553 1196 43 as as IN 28553 1196 44 one one CD 28553 1196 45 conductor conductor NN 28553 1196 46 . . . 28553 1197 1 When when WRB 28553 1197 2 a a DT 28553 1197 3 hammer hammer NN 28553 1197 4 strikes strike VBZ 28553 1197 5 an an DT 28553 1197 6 anvil anvil NN 28553 1197 7 the the DT 28553 1197 8 air air NN 28553 1197 9 around around RB 28553 1197 10 is be VBZ 28553 1197 11 violently violently RB 28553 1197 12 disturbed disturb VBN 28553 1197 13 . . . 28553 1198 1 This this DT 28553 1198 2 disturbance disturbance NN 28553 1198 3 spreads spread VBZ 28553 1198 4 through through IN 28553 1198 5 the the DT 28553 1198 6 molecules molecule NNS 28553 1198 7 of of IN 28553 1198 8 the the DT 28553 1198 9 air air NN 28553 1198 10 in in IN 28553 1198 11 much much RB 28553 1198 12 the the DT 28553 1198 13 same same JJ 28553 1198 14 way way NN 28553 1198 15 as as IN 28553 1198 16 ripples ripple NNS 28553 1198 17 spread spread VBP 28553 1198 18 from from IN 28553 1198 19 the the DT 28553 1198 20 splash splash NN 28553 1198 21 of of IN 28553 1198 22 a a DT 28553 1198 23 stone stone NN 28553 1198 24 thrown throw VBN 28553 1198 25 into into IN 28553 1198 26 a a DT 28553 1198 27 pond pond NN 28553 1198 28 . . . 28553 1199 1 When when WRB 28553 1199 2 the the DT 28553 1199 3 sound sound NN 28553 1199 4 waves wave NNS 28553 1199 5 reach reach VBP 28553 1199 6 the the DT 28553 1199 7 ear ear NN 28553 1199 8 they -PRON- PRP 28553 1199 9 agitate agitate VBP 28553 1199 10 the the DT 28553 1199 11 tympanum tympanum NN 28553 1199 12 , , , 28553 1199 13 or or CC 28553 1199 14 drum drum VB 28553 1199 15 membrane membrane NN 28553 1199 16 , , , 28553 1199 17 and and CC 28553 1199 18 we -PRON- PRP 28553 1199 19 " " `` 28553 1199 20 hear hear VBP 28553 1199 21 a a DT 28553 1199 22 noise noise NN 28553 1199 23 . . . 28553 1199 24 " " '' 28553 1200 1 The the DT 28553 1200 2 hammer hammer NN 28553 1200 3 is be VBZ 28553 1200 4 here here RB 28553 1200 5 the the DT 28553 1200 6 transmitter transmitter NN 28553 1200 7 , , , 28553 1200 8 the the DT 28553 1200 9 air air NN 28553 1200 10 the the DT 28553 1200 11 conductor conductor NN 28553 1200 12 , , , 28553 1200 13 the the DT 28553 1200 14 ear ear NN 28553 1200 15 the the DT 28553 1200 16 receiver receiver NN 28553 1200 17 . . . 28553 1201 1 In in IN 28553 1201 2 wireless wireless JJ 28553 1201 3 telegraphy telegraphy NN 28553 1201 4 we -PRON- PRP 28553 1201 5 use use VBP 28553 1201 6 the the DT 28553 1201 7 ether ether NN 28553 1201 8 as as IN 28553 1201 9 the the DT 28553 1201 10 conductor conductor NN 28553 1201 11 of of IN 28553 1201 12 electrical electrical JJ 28553 1201 13 disturbances disturbance NNS 28553 1201 14 . . . 28553 1202 1 [ [ -LRB- 28553 1202 2 13 13 CD 28553 1202 3 ] ] -RRB- 28553 1202 4 Marconi Marconi NNP 28553 1202 5 , , , 28553 1202 6 Slaby Slaby NNP 28553 1202 7 , , , 28553 1202 8 Branly branly RB 28553 1202 9 , , , 28553 1202 10 Lodge Lodge NNP 28553 1202 11 , , , 28553 1202 12 De De NNP 28553 1202 13 Forest Forest NNP 28553 1202 14 , , , 28553 1202 15 Popoff Popoff NNP 28553 1202 16 , , , 28553 1202 17 and and CC 28553 1202 18 others other NNS 28553 1202 19 have have VBP 28553 1202 20 invented invent VBN 28553 1202 21 apparatus apparatus NN 28553 1202 22 for for IN 28553 1202 23 causing cause VBG 28553 1202 24 disturbances disturbance NNS 28553 1202 25 of of IN 28553 1202 26 the the DT 28553 1202 27 requisite requisite JJ 28553 1202 28 kind kind NN 28553 1202 29 , , , 28553 1202 30 and and CC 28553 1202 31 for for IN 28553 1202 32 detecting detect VBG 28553 1202 33 their -PRON- PRP$ 28553 1202 34 presence presence NN 28553 1202 35 . . . 28553 1203 1 The the DT 28553 1203 2 main main JJ 28553 1203 3 features feature NNS 28553 1203 4 of of IN 28553 1203 5 a a DT 28553 1203 6 wireless wireless JJ 28553 1203 7 telegraphy telegraphy NN 28553 1203 8 outfit outfit NN 28553 1203 9 are be VBP 28553 1203 10 shown show VBN 28553 1203 11 in in IN 28553 1203 12 Figs Figs NNP 28553 1203 13 . . . 28553 1204 1 59 59 CD 28553 1204 2 and and CC 28553 1204 3 61 61 CD 28553 1204 4 . . . 28553 1205 1 THE the DT 28553 1205 2 TRANSMITTER TRANSMITTER NNP 28553 1205 3 APPARATUS APPARATUS NNP 28553 1205 4 . . . 28553 1206 1 We -PRON- PRP 28553 1206 2 will will MD 28553 1206 3 first first RB 28553 1206 4 consider consider VB 28553 1206 5 the the DT 28553 1206 6 transmitting transmitting NN 28553 1206 7 outfit outfit NN 28553 1206 8 ( ( -LRB- 28553 1206 9 Fig fig NN 28553 1206 10 . . . 28553 1207 1 59 59 LS 28553 1207 2 ) ) -RRB- 28553 1207 3 . . . 28553 1208 1 It -PRON- PRP 28553 1208 2 includes include VBZ 28553 1208 3 a a DT 28553 1208 4 battery battery NN 28553 1208 5 , , , 28553 1208 6 dispatching dispatch VBG 28553 1208 7 key key NN 28553 1208 8 , , , 28553 1208 9 and and CC 28553 1208 10 an an DT 28553 1208 11 induction induction NN 28553 1208 12 coil coil NN 28553 1208 13 having have VBG 28553 1208 14 its -PRON- PRP$ 28553 1208 15 secondary secondary JJ 28553 1208 16 circuit circuit NN 28553 1208 17 terminals terminal NNS 28553 1208 18 connected connect VBN 28553 1208 19 with with IN 28553 1208 20 two two CD 28553 1208 21 wires wire NNS 28553 1208 22 , , , 28553 1208 23 the the DT 28553 1208 24 one one NN 28553 1208 25 leading lead VBG 28553 1208 26 to to IN 28553 1208 27 an an DT 28553 1208 28 earth earth NN 28553 1208 29 - - HYPH 28553 1208 30 plate plate NN 28553 1208 31 , , , 28553 1208 32 the the DT 28553 1208 33 other other JJ 28553 1208 34 carried carry VBN 28553 1208 35 aloft aloft RB 28553 1208 36 on on IN 28553 1208 37 poles pole NNS 28553 1208 38 or or CC 28553 1208 39 suspended suspend VBN 28553 1208 40 from from IN 28553 1208 41 a a DT 28553 1208 42 kite kite NN 28553 1208 43 . . . 28553 1209 1 In in IN 28553 1209 2 the the DT 28553 1209 3 large large JJ 28553 1209 4 station station NN 28553 1209 5 at at IN 28553 1209 6 Poldhu Poldhu NNP 28553 1209 7 , , , 28553 1209 8 Cornwall Cornwall NNP 28553 1209 9 , , , 28553 1209 10 for for IN 28553 1209 11 transatlantic transatlantic JJ 28553 1209 12 signalling signalling NN 28553 1209 13 , , , 28553 1209 14 there there EX 28553 1209 15 are be VBP 28553 1209 16 special special JJ 28553 1209 17 wooden wooden JJ 28553 1209 18 towers tower NNS 28553 1209 19 215 215 CD 28553 1209 20 feet foot NNS 28553 1209 21 high high JJ 28553 1209 22 , , , 28553 1209 23 between between IN 28553 1209 24 which which WDT 28553 1209 25 the the DT 28553 1209 26 aërial aërial JJ 28553 1209 27 wires wire NNS 28553 1209 28 hang hang VBP 28553 1209 29 . . . 28553 1210 1 At at IN 28553 1210 2 their -PRON- PRP$ 28553 1210 3 upper upper JJ 28553 1210 4 and and CC 28553 1210 5 lower lower JJ 28553 1210 6 ends end NNS 28553 1210 7 respectively respectively RB 28553 1210 8 the the DT 28553 1210 9 earth earth NN 28553 1210 10 and and CC 28553 1210 11 aërial aërial JJ 28553 1210 12 wires wire NNS 28553 1210 13 terminate terminate VBP 28553 1210 14 in in IN 28553 1210 15 brass brass NN 28553 1210 16 balls ball NNS 28553 1210 17 separated separate VBN 28553 1210 18 by by IN 28553 1210 19 a a DT 28553 1210 20 gap gap NN 28553 1210 21 . . . 28553 1211 1 When when WRB 28553 1211 2 the the DT 28553 1211 3 operator operator NN 28553 1211 4 depresses depress VBZ 28553 1211 5 the the DT 28553 1211 6 key key NN 28553 1211 7 the the DT 28553 1211 8 induction induction NN 28553 1211 9 coil coil NN 28553 1211 10 charges charge VBZ 28553 1211 11 these these DT 28553 1211 12 balls ball NNS 28553 1211 13 and and CC 28553 1211 14 the the DT 28553 1211 15 wires wire NNS 28553 1211 16 attached attach VBD 28553 1211 17 thereto thereto NN 28553 1211 18 with with IN 28553 1211 19 high high JJ 28553 1211 20 - - HYPH 28553 1211 21 tension tension NN 28553 1211 22 electricity electricity NN 28553 1211 23 . . . 28553 1212 1 As as RB 28553 1212 2 soon soon RB 28553 1212 3 as as IN 28553 1212 4 the the DT 28553 1212 5 quantity quantity NN 28553 1212 6 collected collect VBD 28553 1212 7 exceeds exceed VBZ 28553 1212 8 the the DT 28553 1212 9 resistance resistance NN 28553 1212 10 of of IN 28553 1212 11 the the DT 28553 1212 12 air air NN 28553 1212 13 - - HYPH 28553 1212 14 gap gap NN 28553 1212 15 , , , 28553 1212 16 a a DT 28553 1212 17 discharge discharge NN 28553 1212 18 takes take VBZ 28553 1212 19 place place NN 28553 1212 20 between between IN 28553 1212 21 the the DT 28553 1212 22 balls ball NNS 28553 1212 23 , , , 28553 1212 24 and and CC 28553 1212 25 the the DT 28553 1212 26 ether ether NN 28553 1212 27 round round IN 28553 1212 28 the the DT 28553 1212 29 aërial aërial JJ 28553 1212 30 wire wire NN 28553 1212 31 is be VBZ 28553 1212 32 violently violently RB 28553 1212 33 disturbed disturb VBN 28553 1212 34 , , , 28553 1212 35 and and CC 28553 1212 36 waves wave NNS 28553 1212 37 of of IN 28553 1212 38 electrical electrical JJ 28553 1212 39 energy energy NN 28553 1212 40 are be VBP 28553 1212 41 propagated propagate VBN 28553 1212 42 through through IN 28553 1212 43 it -PRON- PRP 28553 1212 44 . . . 28553 1213 1 The the DT 28553 1213 2 rapidity rapidity NN 28553 1213 3 with with IN 28553 1213 4 which which WDT 28553 1213 5 the the DT 28553 1213 6 discharges discharge NNS 28553 1213 7 follow follow VBP 28553 1213 8 one one CD 28553 1213 9 another another DT 28553 1213 10 , , , 28553 1213 11 and and CC 28553 1213 12 their -PRON- PRP$ 28553 1213 13 travelling travel VBG 28553 1213 14 power power NN 28553 1213 15 , , , 28553 1213 16 depends depend VBZ 28553 1213 17 on on IN 28553 1213 18 the the DT 28553 1213 19 strength strength NN 28553 1213 20 of of IN 28553 1213 21 the the DT 28553 1213 22 induction induction NN 28553 1213 23 coil coil NN 28553 1213 24 , , , 28553 1213 25 the the DT 28553 1213 26 length length NN 28553 1213 27 of of IN 28553 1213 28 the the DT 28553 1213 29 air air NN 28553 1213 30 - - HYPH 28553 1213 31 gap gap NN 28553 1213 32 , , , 28553 1213 33 and and CC 28553 1213 34 the the DT 28553 1213 35 capacity capacity NN 28553 1213 36 of of IN 28553 1213 37 the the DT 28553 1213 38 wires wire NNS 28553 1213 39 . . . 28553 1214 1 [ [ -LRB- 28553 1214 2 14 14 CD 28553 1214 3 ] ] -RRB- 28553 1214 4 [ [ -LRB- 28553 1214 5 Illustration illustration NN 28553 1214 6 : : : 28553 1214 7 FIG FIG NNP 28553 1214 8 . . . 28553 1215 1 59.--Sketch 59.--sketch CD 28553 1215 2 of of IN 28553 1215 3 the the DT 28553 1215 4 transmitter transmitter NN 28553 1215 5 of of IN 28553 1215 6 a a DT 28553 1215 7 wireless wireless JJ 28553 1215 8 telegraphy telegraphy NN 28553 1215 9 outfit outfit NN 28553 1215 10 . . . 28553 1215 11 ] ] -RRB- 28553 1216 1 [ [ -LRB- 28553 1216 2 Illustration illustration NN 28553 1216 3 : : : 28553 1216 4 FIG FIG NNP 28553 1216 5 . . . 28553 1217 1 60.--A 60.--A NNP 28553 1217 2 Marconi Marconi NNP 28553 1217 3 coherer coherer NN 28553 1217 4 . . . 28553 1217 5 ] ] -RRB- 28553 1218 1 RECEIVING RECEIVING NNP 28553 1218 2 APPARATUS APPARATUS NNP 28553 1218 3 . . . 28553 1219 1 The the DT 28553 1219 2 human human JJ 28553 1219 3 body body NN 28553 1219 4 is be VBZ 28553 1219 5 quite quite RB 28553 1219 6 insensitive insensitive JJ 28553 1219 7 to to IN 28553 1219 8 these these DT 28553 1219 9 etheric etheric JJ 28553 1219 10 waves wave NNS 28553 1219 11 . . . 28553 1220 1 We -PRON- PRP 28553 1220 2 can can MD 28553 1220 3 not not RB 28553 1220 4 feel feel VB 28553 1220 5 , , , 28553 1220 6 hear hear VB 28553 1220 7 , , , 28553 1220 8 or or CC 28553 1220 9 see see VB 28553 1220 10 them -PRON- PRP 28553 1220 11 . . . 28553 1221 1 But but CC 28553 1221 2 at at IN 28553 1221 3 the the DT 28553 1221 4 receiving receiving NN 28553 1221 5 station station NN 28553 1221 6 there there EX 28553 1221 7 is be VBZ 28553 1221 8 what what WP 28553 1221 9 may may MD 28553 1221 10 be be VB 28553 1221 11 called call VBN 28553 1221 12 an an DT 28553 1221 13 " " `` 28553 1221 14 electric electric JJ 28553 1221 15 eye eye NN 28553 1221 16 . . . 28553 1221 17 " " '' 28553 1222 1 Technically technically RB 28553 1222 2 it -PRON- PRP 28553 1222 3 is be VBZ 28553 1222 4 named name VBN 28553 1222 5 a a DT 28553 1222 6 _ _ NNP 28553 1222 7 coherer coherer NN 28553 1222 8 _ _ NNP 28553 1222 9 . . . 28553 1223 1 A a DT 28553 1223 2 Marconi Marconi NNP 28553 1223 3 coherer coherer NN 28553 1223 4 is be VBZ 28553 1223 5 seen see VBN 28553 1223 6 in in IN 28553 1223 7 Fig Fig NNP 28553 1223 8 . . . 28553 1224 1 60 60 CD 28553 1224 2 . . . 28553 1225 1 Inside inside IN 28553 1225 2 a a DT 28553 1225 3 small small JJ 28553 1225 4 glass glass NN 28553 1225 5 tube tube NN 28553 1225 6 exhausted exhaust VBN 28553 1225 7 of of IN 28553 1225 8 air air NN 28553 1225 9 are be VBP 28553 1225 10 two two CD 28553 1225 11 silver silver JJ 28553 1225 12 plugs plug NNS 28553 1225 13 , , , 28553 1225 14 P p NN 28553 1225 15 P p NN 28553 1225 16 , , , 28553 1225 17 carrying carry VBG 28553 1225 18 terminals terminal NNS 28553 1225 19 , , , 28553 1225 20 T T NNP 28553 1225 21 T t NN 28553 1225 22 , , , 28553 1225 23 projecting project VBG 28553 1225 24 through through IN 28553 1225 25 the the DT 28553 1225 26 glass glass NN 28553 1225 27 at at IN 28553 1225 28 both both DT 28553 1225 29 ends end NNS 28553 1225 30 . . . 28553 1226 1 A a DT 28553 1226 2 small small JJ 28553 1226 3 gap gap NN 28553 1226 4 separates separate VBZ 28553 1226 5 the the DT 28553 1226 6 plugs plug NNS 28553 1226 7 at at IN 28553 1226 8 the the DT 28553 1226 9 centre centre NN 28553 1226 10 , , , 28553 1226 11 and and CC 28553 1226 12 this this DT 28553 1226 13 gap gap NN 28553 1226 14 is be VBZ 28553 1226 15 partly partly RB 28553 1226 16 filled fill VBN 28553 1226 17 with with IN 28553 1226 18 nickel nickel NN 28553 1226 19 - - HYPH 28553 1226 20 silver silver NN 28553 1226 21 powder powder NN 28553 1226 22 . . . 28553 1227 1 If if IN 28553 1227 2 the the DT 28553 1227 3 terminals terminal NNS 28553 1227 4 of of IN 28553 1227 5 the the DT 28553 1227 6 coherer coherer NN 28553 1227 7 are be VBP 28553 1227 8 attached attach VBN 28553 1227 9 to to IN 28553 1227 10 those those DT 28553 1227 11 of of IN 28553 1227 12 a a DT 28553 1227 13 battery battery NN 28553 1227 14 , , , 28553 1227 15 practically practically RB 28553 1227 16 no no DT 28553 1227 17 current current NN 28553 1227 18 will will MD 28553 1227 19 pass pass VB 28553 1227 20 under under IN 28553 1227 21 ordinary ordinary JJ 28553 1227 22 conditions condition NNS 28553 1227 23 , , , 28553 1227 24 as as IN 28553 1227 25 the the DT 28553 1227 26 particles particle NNS 28553 1227 27 of of IN 28553 1227 28 nickel nickel NN 28553 1227 29 - - HYPH 28553 1227 30 silver silver NN 28553 1227 31 touch touch NN 28553 1227 32 each each DT 28553 1227 33 other other JJ 28553 1227 34 very very RB 28553 1227 35 lightly lightly RB 28553 1227 36 and and CC 28553 1227 37 make make VB 28553 1227 38 a a DT 28553 1227 39 " " `` 28553 1227 40 bad bad JJ 28553 1227 41 contact contact NN 28553 1227 42 . . . 28553 1227 43 " " '' 28553 1228 1 But but CC 28553 1228 2 if if IN 28553 1228 3 the the DT 28553 1228 4 coherer coherer NN 28553 1228 5 is be VBZ 28553 1228 6 also also RB 28553 1228 7 attached attach VBN 28553 1228 8 to to IN 28553 1228 9 wires wire NNS 28553 1228 10 leading lead VBG 28553 1228 11 into into IN 28553 1228 12 the the DT 28553 1228 13 earth earth NN 28553 1228 14 and and CC 28553 1228 15 air air NN 28553 1228 16 , , , 28553 1228 17 and and CC 28553 1228 18 ether ether NN 28553 1228 19 waves wave NNS 28553 1228 20 strike strike VBP 28553 1228 21 those those DT 28553 1228 22 wires wire NNS 28553 1228 23 , , , 28553 1228 24 at at IN 28553 1228 25 every every DT 28553 1228 26 impact impact NN 28553 1228 27 the the DT 28553 1228 28 particles particle NNS 28553 1228 29 will will MD 28553 1228 30 cohere cohere VB 28553 1228 31 -- -- : 28553 1228 32 that that RB 28553 1228 33 is is RB 28553 1228 34 , , , 28553 1228 35 pack pack VBP 28553 1228 36 tightly tightly RB 28553 1228 37 together together RB 28553 1228 38 -- -- : 28553 1228 39 and and CC 28553 1228 40 allow allow VB 28553 1228 41 battery battery NN 28553 1228 42 current current JJ 28553 1228 43 to to TO 28553 1228 44 pass pass VB 28553 1228 45 . . . 28553 1229 1 The the DT 28553 1229 2 property property NN 28553 1229 3 of of IN 28553 1229 4 cohesion cohesion NN 28553 1229 5 of of IN 28553 1229 6 small small JJ 28553 1229 7 conductive conductive JJ 28553 1229 8 bodies body NNS 28553 1229 9 when when WRB 28553 1229 10 influenced influence VBN 28553 1229 11 by by IN 28553 1229 12 Hertzian hertzian JJ 28553 1229 13 waves wave NNS 28553 1229 14 was be VBD 28553 1229 15 first first RB 28553 1229 16 noticed notice VBN 28553 1229 17 in in IN 28553 1229 18 1874 1874 CD 28553 1229 19 by by IN 28553 1229 20 Professor Professor NNP 28553 1229 21 D.E. D.E. NNP 28553 1230 1 Hughes hughe NNS 28553 1230 2 while while IN 28553 1230 3 experimenting experiment VBG 28553 1230 4 with with IN 28553 1230 5 a a DT 28553 1230 6 telephone telephone NN 28553 1230 7 . . . 28553 1231 1 [ [ -LRB- 28553 1231 2 Illustration illustration NN 28553 1231 3 : : : 28553 1231 4 FIG FIG NNP 28553 1231 5 . . . 28553 1232 1 61.--Sketch 61.--sketch CD 28553 1232 2 of of IN 28553 1232 3 the the DT 28553 1232 4 receiving receive VBG 28553 1232 5 apparatus apparatus NN 28553 1232 6 in in IN 28553 1232 7 a a DT 28553 1232 8 wireless wireless JJ 28553 1232 9 telegraphy telegraphy NN 28553 1232 10 outfit outfit NN 28553 1232 11 . . . 28553 1232 12 ] ] -RRB- 28553 1233 1 We -PRON- PRP 28553 1233 2 are be VBP 28553 1233 3 now now RB 28553 1233 4 in in IN 28553 1233 5 a a DT 28553 1233 6 position position NN 28553 1233 7 to to TO 28553 1233 8 examine examine VB 28553 1233 9 the the DT 28553 1233 10 apparatus apparatus NN 28553 1233 11 of of IN 28553 1233 12 which which WDT 28553 1233 13 a a DT 28553 1233 14 coherer coherer NN 28553 1233 15 forms form NNS 28553 1233 16 part part NN 28553 1233 17 ( ( -LRB- 28553 1233 18 Fig fig NN 28553 1233 19 . . . 28553 1234 1 61 61 CD 28553 1234 2 ) ) -RRB- 28553 1234 3 . . . 28553 1235 1 First first RB 28553 1235 2 , , , 28553 1235 3 we -PRON- PRP 28553 1235 4 notice notice VBP 28553 1235 5 the the DT 28553 1235 6 aërial aërial JJ 28553 1235 7 and and CC 28553 1235 8 earth earth NN 28553 1235 9 wires wire NNS 28553 1235 10 , , , 28553 1235 11 to to TO 28553 1235 12 which which WDT 28553 1235 13 are be VBP 28553 1235 14 attached attach VBN 28553 1235 15 other other JJ 28553 1235 16 wires wire NNS 28553 1235 17 from from IN 28553 1235 18 battery battery NN 28553 1235 19 A. a. NN 28553 1236 1 This this DT 28553 1236 2 battery battery NN 28553 1236 3 circuit circuit NN 28553 1236 4 passes pass VBZ 28553 1236 5 round round VBP 28553 1236 6 the the DT 28553 1236 7 relay relay NN 28553 1236 8 magnet magnet NN 28553 1236 9 R r NN 28553 1236 10 and and CC 28553 1236 11 through through IN 28553 1236 12 two two CD 28553 1236 13 choking choke VBG 28553 1236 14 coils coil NNS 28553 1236 15 , , , 28553 1236 16 whose whose WP$ 28553 1236 17 function function NN 28553 1236 18 is be VBZ 28553 1236 19 to to TO 28553 1236 20 prevent prevent VB 28553 1236 21 the the DT 28553 1236 22 Hertzian hertzian JJ 28553 1236 23 waves wave NNS 28553 1236 24 entering enter VBG 28553 1236 25 the the DT 28553 1236 26 battery battery NN 28553 1236 27 . . . 28553 1237 1 The the DT 28553 1237 2 relay relay NN 28553 1237 3 , , , 28553 1237 4 when when WRB 28553 1237 5 energized energize VBN 28553 1237 6 , , , 28553 1237 7 brings bring VBZ 28553 1237 8 contact contact NN 28553 1237 9 D d NN 28553 1237 10 against against IN 28553 1237 11 E e NN 28553 1237 12 and and CC 28553 1237 13 closes close VBZ 28553 1237 14 the the DT 28553 1237 15 circuit circuit NN 28553 1237 16 of of IN 28553 1237 17 battery battery NN 28553 1237 18 B B NNP 28553 1237 19 , , , 28553 1237 20 which which WDT 28553 1237 21 is be VBZ 28553 1237 22 much much RB 28553 1237 23 more more RBR 28553 1237 24 powerful powerful JJ 28553 1237 25 than than IN 28553 1237 26 battery battery NN 28553 1237 27 A a NN 28553 1237 28 , , , 28553 1237 29 and and CC 28553 1237 30 operates operate VBZ 28553 1237 31 the the DT 28553 1237 32 magnet magnet NN 28553 1237 33 M m NN 28553 1237 34 as as RB 28553 1237 35 well well RB 28553 1237 36 as as IN 28553 1237 37 the the DT 28553 1237 38 _ _ NNP 28553 1237 39 tapper tapper NN 28553 1237 40 _ _ NNP 28553 1237 41 , , , 28553 1237 42 which which WDT 28553 1237 43 is be VBZ 28553 1237 44 practically practically RB 28553 1237 45 an an DT 28553 1237 46 electric electric JJ 28553 1237 47 bell bell NN 28553 1237 48 minus minus CC 28553 1237 49 the the DT 28553 1237 50 gong gong NN 28553 1237 51 . . . 28553 1238 1 ( ( -LRB- 28553 1238 2 The the DT 28553 1238 3 tapper tapper NN 28553 1238 4 circuit circuit NN 28553 1238 5 is be VBZ 28553 1238 6 indicated indicate VBN 28553 1238 7 by by IN 28553 1238 8 the the DT 28553 1238 9 dotted dotted JJ 28553 1238 10 lines line NNS 28553 1238 11 . . . 28553 1238 12 ) ) -RRB- 28553 1239 1 We -PRON- PRP 28553 1239 2 will will MD 28553 1239 3 suppose suppose VB 28553 1239 4 the the DT 28553 1239 5 transmitter transmitter NN 28553 1239 6 of of IN 28553 1239 7 a a DT 28553 1239 8 distant distant JJ 28553 1239 9 station station NN 28553 1239 10 to to TO 28553 1239 11 be be VB 28553 1239 12 at at IN 28553 1239 13 work work NN 28553 1239 14 . . . 28553 1240 1 The the DT 28553 1240 2 electric electric JJ 28553 1240 3 waves wave NNS 28553 1240 4 strike strike VBP 28553 1240 5 the the DT 28553 1240 6 aërial aërial JJ 28553 1240 7 wire wire NN 28553 1240 8 of of IN 28553 1240 9 the the DT 28553 1240 10 receiving receiving NN 28553 1240 11 station station NN 28553 1240 12 , , , 28553 1240 13 and and CC 28553 1240 14 cause cause VB 28553 1240 15 the the DT 28553 1240 16 coherer coherer NN 28553 1240 17 to to TO 28553 1240 18 cohere cohere VB 28553 1240 19 and and CC 28553 1240 20 pass pass VB 28553 1240 21 current current NN 28553 1240 22 . . . 28553 1241 1 The the DT 28553 1241 2 relay relay NN 28553 1241 3 is be VBZ 28553 1241 4 closed closed JJ 28553 1241 5 , , , 28553 1241 6 and and CC 28553 1241 7 both both CC 28553 1241 8 tapper tapper NN 28553 1241 9 and and CC 28553 1241 10 Morse Morse NNP 28553 1241 11 inker inker NN 28553 1241 12 begin begin VBP 28553 1241 13 to to TO 28553 1241 14 work work VB 28553 1241 15 . . . 28553 1242 1 The the DT 28553 1242 2 tapper tapper NN 28553 1242 3 keeps keep VBZ 28553 1242 4 striking strike VBG 28553 1242 5 the the DT 28553 1242 6 coherer coherer NN 28553 1242 7 and and CC 28553 1242 8 shakes shake VBZ 28553 1242 9 the the DT 28553 1242 10 particles particle NNS 28553 1242 11 loose loose JJ 28553 1242 12 after after IN 28553 1242 13 every every DT 28553 1242 14 cohesion cohesion NN 28553 1242 15 . . . 28553 1243 1 If if IN 28553 1243 2 this this DT 28553 1243 3 were be VBD 28553 1243 4 not not RB 28553 1243 5 done do VBN 28553 1243 6 the the DT 28553 1243 7 current current NN 28553 1243 8 of of IN 28553 1243 9 A a DT 28553 1243 10 would would MD 28553 1243 11 pass pass VB 28553 1243 12 continuously continuously RB 28553 1243 13 after after IN 28553 1243 14 cohesion cohesion NN 28553 1243 15 had have VBD 28553 1243 16 once once RB 28553 1243 17 taken take VBN 28553 1243 18 place place NN 28553 1243 19 . . . 28553 1244 1 When when WRB 28553 1244 2 the the DT 28553 1244 3 key key NN 28553 1244 4 of of IN 28553 1244 5 the the DT 28553 1244 6 transmitter transmitter NN 28553 1244 7 is be VBZ 28553 1244 8 pressed press VBN 28553 1244 9 down down RP 28553 1244 10 , , , 28553 1244 11 the the DT 28553 1244 12 waves wave NNS 28553 1244 13 follow follow VBP 28553 1244 14 one one CD 28553 1244 15 another another DT 28553 1244 16 very very RB 28553 1244 17 quickly quickly RB 28553 1244 18 , , , 28553 1244 19 and and CC 28553 1244 20 the the DT 28553 1244 21 acquired acquire VBN 28553 1244 22 conductivity conductivity NN 28553 1244 23 of of IN 28553 1244 24 the the DT 28553 1244 25 coherer coherer NN 28553 1244 26 is be VBZ 28553 1244 27 only only RB 28553 1244 28 momentarily momentarily RB 28553 1244 29 destroyed destroy VBN 28553 1244 30 by by IN 28553 1244 31 the the DT 28553 1244 32 tap tap NN 28553 1244 33 of of IN 28553 1244 34 the the DT 28553 1244 35 hammer hammer NN 28553 1244 36 . . . 28553 1245 1 During during IN 28553 1245 2 the the DT 28553 1245 3 impression impression NN 28553 1245 4 of of IN 28553 1245 5 a a DT 28553 1245 6 dot dot NN 28553 1245 7 by by IN 28553 1245 8 the the DT 28553 1245 9 Morse Morse NNP 28553 1245 10 inker inker NN 28553 1245 11 , , , 28553 1245 12 contact contact NN 28553 1245 13 is be VBZ 28553 1245 14 made make VBN 28553 1245 15 and and CC 28553 1245 16 broken break VBN 28553 1245 17 repeatedly repeatedly RB 28553 1245 18 ; ; : 28553 1245 19 but but CC 28553 1245 20 as as IN 28553 1245 21 the the DT 28553 1245 22 armature armature NN 28553 1245 23 of of IN 28553 1245 24 the the DT 28553 1245 25 inker inker NN 28553 1245 26 is be VBZ 28553 1245 27 heavy heavy JJ 28553 1245 28 and and CC 28553 1245 29 slow slow JJ 28553 1245 30 to to TO 28553 1245 31 move move VB 28553 1245 32 it -PRON- PRP 28553 1245 33 does do VBZ 28553 1245 34 not not RB 28553 1245 35 vibrate vibrate VB 28553 1245 36 in in IN 28553 1245 37 time time NN 28553 1245 38 with with IN 28553 1245 39 the the DT 28553 1245 40 relay relay NN 28553 1245 41 and and CC 28553 1245 42 tapper tapper NN 28553 1245 43 . . . 28553 1246 1 Therefore therefore RB 28553 1246 2 the the DT 28553 1246 3 Morse Morse NNP 28553 1246 4 instrument instrument NN 28553 1246 5 reproduces reproduce NNS 28553 1246 6 in in IN 28553 1246 7 dots dot NNS 28553 1246 8 and and CC 28553 1246 9 dashes dash VBZ 28553 1246 10 the the DT 28553 1246 11 short short JJ 28553 1246 12 and and CC 28553 1246 13 long long JJ 28553 1246 14 depressions depression NNS 28553 1246 15 of of IN 28553 1246 16 the the DT 28553 1246 17 key key NN 28553 1246 18 at at IN 28553 1246 19 the the DT 28553 1246 20 transmitting transmitting NN 28553 1246 21 station station NN 28553 1246 22 , , , 28553 1246 23 while while IN 28553 1246 24 the the DT 28553 1246 25 tapper tapper NN 28553 1246 26 works work VBZ 28553 1246 27 rapidly rapidly RB 28553 1246 28 in in IN 28553 1246 29 time time NN 28553 1246 30 with with IN 28553 1246 31 the the DT 28553 1246 32 relay relay NN 28553 1246 33 . . . 28553 1247 1 The the DT 28553 1247 2 Morse Morse NNP 28553 1247 3 inker inker NN 28553 1247 4 is be VBZ 28553 1247 5 shown show VBN 28553 1247 6 diagrammatically diagrammatically RB 28553 1247 7 . . . 28553 1248 1 While while IN 28553 1248 2 current current JJ 28553 1248 3 passes pass VBZ 28553 1248 4 through through IN 28553 1248 5 M m NN 28553 1248 6 the the DT 28553 1248 7 armature armature NN 28553 1248 8 is be VBZ 28553 1248 9 pulled pull VBN 28553 1248 10 towards towards IN 28553 1248 11 it -PRON- PRP 28553 1248 12 , , , 28553 1248 13 the the DT 28553 1248 14 end end NN 28553 1248 15 P p NN 28553 1248 16 , , , 28553 1248 17 carrying carry VBG 28553 1248 18 an an DT 28553 1248 19 inked inked JJ 28553 1248 20 wheel wheel NN 28553 1248 21 , , , 28553 1248 22 rises rise NNS 28553 1248 23 , , , 28553 1248 24 and and CC 28553 1248 25 a a DT 28553 1248 26 mark mark NN 28553 1248 27 is be VBZ 28553 1248 28 made make VBN 28553 1248 29 on on IN 28553 1248 30 the the DT 28553 1248 31 tape tape NN 28553 1248 32 W W NNP 28553 1248 33 , , , 28553 1248 34 which which WDT 28553 1248 35 is be VBZ 28553 1248 36 moved move VBN 28553 1248 37 continuously continuously RB 28553 1248 38 being be VBG 28553 1248 39 drawn draw VBN 28553 1248 40 forward forward RB 28553 1248 41 off off IN 28553 1248 42 reel reel NN 28553 1248 43 R r NN 28553 1248 44 by by IN 28553 1248 45 the the DT 28553 1248 46 clockwork clockwork NN 28553 1248 47 -- -- : 28553 1248 48 or or CC 28553 1248 49 electrically electrically RB 28553 1248 50 - - HYPH 28553 1248 51 driven drive VBN 28553 1248 52 rollers roller NNS 28553 1248 53 R^1 R^1 NNP 28553 1248 54 R^2 R^2 NNP 28553 1248 55 . . . 28553 1249 1 SYNTONIC SYNTONIC NNP 28553 1249 2 TRANSMISSION TRANSMISSION NNP 28553 1249 3 . . . 28553 1250 1 If if IN 28553 1250 2 a a DT 28553 1250 3 number number NN 28553 1250 4 of of IN 28553 1250 5 transmitting transmitting NN 28553 1250 6 stations station NNS 28553 1250 7 are be VBP 28553 1250 8 sending send VBG 28553 1250 9 out out RP 28553 1250 10 messages message NNS 28553 1250 11 simultaneously simultaneously RB 28553 1250 12 , , , 28553 1250 13 a a DT 28553 1250 14 jumble jumble NN 28553 1250 15 of of IN 28553 1250 16 signals signal NNS 28553 1250 17 would would MD 28553 1250 18 affect affect VB 28553 1250 19 all all PDT 28553 1250 20 the the DT 28553 1250 21 receivers receiver NNS 28553 1250 22 round round RB 28553 1250 23 , , , 28553 1250 24 unless unless IN 28553 1250 25 some some DT 28553 1250 26 method method NN 28553 1250 27 were be VBD 28553 1250 28 employed employ VBN 28553 1250 29 for for IN 28553 1250 30 rendering render VBG 28553 1250 31 a a DT 28553 1250 32 receiver receiver NN 28553 1250 33 sensitive sensitive JJ 28553 1250 34 only only RB 28553 1250 35 to to IN 28553 1250 36 the the DT 28553 1250 37 waves wave NNS 28553 1250 38 intended intend VBN 28553 1250 39 to to TO 28553 1250 40 influence influence VB 28553 1250 41 it -PRON- PRP 28553 1250 42 . . . 28553 1251 1 Also also RB 28553 1251 2 , , , 28553 1251 3 if if IN 28553 1251 4 distinction distinction NN 28553 1251 5 were be VBD 28553 1251 6 impossible impossible JJ 28553 1251 7 , , , 28553 1251 8 even even RB 28553 1251 9 with with IN 28553 1251 10 one one CD 28553 1251 11 transmitter transmitter NN 28553 1251 12 in in IN 28553 1251 13 action action NN 28553 1251 14 its -PRON- PRP$ 28553 1251 15 message message NN 28553 1251 16 might may MD 28553 1251 17 go go VB 28553 1251 18 to to IN 28553 1251 19 undesired undesired JJ 28553 1251 20 stations station NNS 28553 1251 21 . . . 28553 1252 1 There there EX 28553 1252 2 are be VBP 28553 1252 3 various various JJ 28553 1252 4 ways way NNS 28553 1252 5 of of IN 28553 1252 6 " " `` 28553 1252 7 tuning tune VBG 28553 1252 8 " " '' 28553 1252 9 receivers receiver NNS 28553 1252 10 and and CC 28553 1252 11 transmitters transmitter NNS 28553 1252 12 , , , 28553 1252 13 but but CC 28553 1252 14 the the DT 28553 1252 15 principle principle NN 28553 1252 16 underlying underlie VBG 28553 1252 17 them -PRON- PRP 28553 1252 18 all all DT 28553 1252 19 is be VBZ 28553 1252 20 analogous analogous JJ 28553 1252 21 to to IN 28553 1252 22 that that DT 28553 1252 23 of of IN 28553 1252 24 mechanical mechanical JJ 28553 1252 25 vibration vibration NN 28553 1252 26 . . . 28553 1253 1 If if IN 28553 1253 2 a a DT 28553 1253 3 weight weight NN 28553 1253 4 is be VBZ 28553 1253 5 suspended suspend VBN 28553 1253 6 from from IN 28553 1253 7 the the DT 28553 1253 8 end end NN 28553 1253 9 of of IN 28553 1253 10 a a DT 28553 1253 11 spiral spiral JJ 28553 1253 12 spring spring NN 28553 1253 13 , , , 28553 1253 14 and and CC 28553 1253 15 given give VBN 28553 1253 16 an an DT 28553 1253 17 upward upward JJ 28553 1253 18 blow blow NN 28553 1253 19 , , , 28553 1253 20 it -PRON- PRP 28553 1253 21 bobs bob VBZ 28553 1253 22 up up RP 28553 1253 23 and and CC 28553 1253 24 down down IN 28553 1253 25 a a DT 28553 1253 26 certain certain JJ 28553 1253 27 number number NN 28553 1253 28 of of IN 28553 1253 29 times time NNS 28553 1253 30 per per IN 28553 1253 31 minute minute NN 28553 1253 32 , , , 28553 1253 33 every every DT 28553 1253 34 movement movement NN 28553 1253 35 from from IN 28553 1253 36 start start NN 28553 1253 37 to to IN 28553 1253 38 finish finish NN 28553 1253 39 having have VBG 28553 1253 40 exactly exactly RB 28553 1253 41 the the DT 28553 1253 42 same same JJ 28553 1253 43 duration duration NN 28553 1253 44 as as IN 28553 1253 45 the the DT 28553 1253 46 rest rest NN 28553 1253 47 . . . 28553 1254 1 The the DT 28553 1254 2 resistance resistance NN 28553 1254 3 of of IN 28553 1254 4 the the DT 28553 1254 5 air air NN 28553 1254 6 and and CC 28553 1254 7 the the DT 28553 1254 8 internal internal JJ 28553 1254 9 friction friction NN 28553 1254 10 of of IN 28553 1254 11 the the DT 28553 1254 12 spring spring NN 28553 1254 13 gradually gradually RB 28553 1254 14 lessen lessen VBD 28553 1254 15 the the DT 28553 1254 16 amplitude amplitude NN 28553 1254 17 of of IN 28553 1254 18 the the DT 28553 1254 19 movements movement NNS 28553 1254 20 , , , 28553 1254 21 and and CC 28553 1254 22 the the DT 28553 1254 23 weight weight NN 28553 1254 24 finally finally RB 28553 1254 25 comes come VBZ 28553 1254 26 to to IN 28553 1254 27 rest rest VB 28553 1254 28 . . . 28553 1255 1 Suppose suppose VB 28553 1255 2 that that IN 28553 1255 3 the the DT 28553 1255 4 weight weight NN 28553 1255 5 scales scale VBZ 28553 1255 6 30 30 CD 28553 1255 7 lbs lbs NN 28553 1255 8 . . . 28553 1255 9 , , , 28553 1255 10 and and CC 28553 1255 11 that that IN 28553 1255 12 it -PRON- PRP 28553 1255 13 naturally naturally RB 28553 1255 14 bobs bob VBZ 28553 1255 15 twenty twenty CD 28553 1255 16 times time NNS 28553 1255 17 a a DT 28553 1255 18 minute minute NN 28553 1255 19 . . . 28553 1256 1 If if IN 28553 1256 2 you -PRON- PRP 28553 1256 3 now now RB 28553 1256 4 take take VBP 28553 1256 5 a a DT 28553 1256 6 feather feather NN 28553 1256 7 and and CC 28553 1256 8 give give VB 28553 1256 9 it -PRON- PRP 28553 1256 10 a a DT 28553 1256 11 push push NN 28553 1256 12 every every DT 28553 1256 13 three three CD 28553 1256 14 seconds second NNS 28553 1256 15 you -PRON- PRP 28553 1256 16 can can MD 28553 1256 17 coax coax VB 28553 1256 18 it -PRON- PRP 28553 1256 19 into into IN 28553 1256 20 vigorous vigorous JJ 28553 1256 21 motion motion NN 28553 1256 22 , , , 28553 1256 23 assuming assume VBG 28553 1256 24 that that IN 28553 1256 25 every every DT 28553 1256 26 push push NN 28553 1256 27 catches catch VBZ 28553 1256 28 it -PRON- PRP 28553 1256 29 exactly exactly RB 28553 1256 30 on on IN 28553 1256 31 the the DT 28553 1256 32 rebound rebound NN 28553 1256 33 . . . 28553 1257 1 The the DT 28553 1257 2 same same JJ 28553 1257 3 effect effect NN 28553 1257 4 would would MD 28553 1257 5 be be VB 28553 1257 6 produced produce VBN 28553 1257 7 more more RBR 28553 1257 8 slowly slowly RB 28553 1257 9 if if IN 28553 1257 10 6 6 CD 28553 1257 11 or or CC 28553 1257 12 9 9 CD 28553 1257 13 second second JJ 28553 1257 14 intervals interval NNS 28553 1257 15 were be VBD 28553 1257 16 substituted substitute VBN 28553 1257 17 . . . 28553 1258 1 But but CC 28553 1258 2 if if IN 28553 1258 3 you -PRON- PRP 28553 1258 4 strike strike VBP 28553 1258 5 it -PRON- PRP 28553 1258 6 at at IN 28553 1258 7 4 4 CD 28553 1258 8 , , , 28553 1258 9 5 5 CD 28553 1258 10 , , , 28553 1258 11 or or CC 28553 1258 12 7 7 CD 28553 1258 13 second second JJ 28553 1258 14 intervals interval NNS 28553 1258 15 it -PRON- PRP 28553 1258 16 will will MD 28553 1258 17 gradually gradually RB 28553 1258 18 cease cease VB 28553 1258 19 to to TO 28553 1258 20 oscillate oscillate VB 28553 1258 21 , , , 28553 1258 22 as as IN 28553 1258 23 the the DT 28553 1258 24 effect effect NN 28553 1258 25 of of IN 28553 1258 26 one one CD 28553 1258 27 blow blow NN 28553 1258 28 neutralizes neutralize VBZ 28553 1258 29 that that DT 28553 1258 30 of of IN 28553 1258 31 another another DT 28553 1258 32 . . . 28553 1259 1 The the DT 28553 1259 2 same same JJ 28553 1259 3 phenomenon phenomenon NN 28553 1259 4 is be VBZ 28553 1259 5 witnessed witness VBN 28553 1259 6 when when WRB 28553 1259 7 two two CD 28553 1259 8 tuning tuning NN 28553 1259 9 - - HYPH 28553 1259 10 forks fork NNS 28553 1259 11 of of IN 28553 1259 12 equal equal JJ 28553 1259 13 pitch pitch NN 28553 1259 14 are be VBP 28553 1259 15 mounted mount VBN 28553 1259 16 near near IN 28553 1259 17 one one CD 28553 1259 18 another another DT 28553 1259 19 , , , 28553 1259 20 and and CC 28553 1259 21 one one NN 28553 1259 22 is be VBZ 28553 1259 23 struck strike VBN 28553 1259 24 . . . 28553 1260 1 The the DT 28553 1260 2 other other JJ 28553 1260 3 soon soon NN 28553 1260 4 picks pick VBZ 28553 1260 5 up up RP 28553 1260 6 the the DT 28553 1260 7 note note NN 28553 1260 8 . . . 28553 1261 1 But but CC 28553 1261 2 a a DT 28553 1261 3 fork fork NN 28553 1261 4 of of IN 28553 1261 5 unequal unequal JJ 28553 1261 6 pitch pitch NN 28553 1261 7 would would MD 28553 1261 8 remain remain VB 28553 1261 9 dumb dumb JJ 28553 1261 10 . . . 28553 1262 1 Now now RB 28553 1262 2 , , , 28553 1262 3 every every DT 28553 1262 4 electrical electrical JJ 28553 1262 5 circuit circuit NN 28553 1262 6 has have VBZ 28553 1262 7 a a DT 28553 1262 8 " " `` 28553 1262 9 natural natural JJ 28553 1262 10 period period NN 28553 1262 11 of of IN 28553 1262 12 oscillation oscillation NN 28553 1262 13 " " '' 28553 1262 14 in in IN 28553 1262 15 which which WDT 28553 1262 16 its -PRON- PRP$ 28553 1262 17 electric electric JJ 28553 1262 18 charge charge NN 28553 1262 19 vibrates vibrate VBZ 28553 1262 20 . . . 28553 1263 1 It -PRON- PRP 28553 1263 2 is be VBZ 28553 1263 3 found find VBN 28553 1263 4 possible possible JJ 28553 1263 5 to to TO 28553 1263 6 " " `` 28553 1263 7 tune tune NN 28553 1263 8 , , , 28553 1263 9 " " '' 28553 1263 10 or or CC 28553 1263 11 " " `` 28553 1263 12 syntonize syntonize VB 28553 1263 13 , , , 28553 1263 14 " " '' 28553 1263 15 the the DT 28553 1263 16 aërial aërial JJ 28553 1263 17 rod rod NN 28553 1263 18 or or CC 28553 1263 19 wire wire NN 28553 1263 20 of of IN 28553 1263 21 a a DT 28553 1263 22 receiving receive VBG 28553 1263 23 station station NN 28553 1263 24 with with IN 28553 1263 25 a a DT 28553 1263 26 transmitter transmitter NN 28553 1263 27 . . . 28553 1264 1 A a DT 28553 1264 2 vertical vertical JJ 28553 1264 3 wire wire NN 28553 1264 4 about about RB 28553 1264 5 200 200 CD 28553 1264 6 feet foot NNS 28553 1264 7 in in IN 28553 1264 8 length length NN 28553 1264 9 , , , 28553 1264 10 says say VBZ 28553 1264 11 Professor Professor NNP 28553 1264 12 J.A. J.A. NNP 28553 1265 1 Fleming,[15 Fleming,[15 NNP 28553 1265 2 ] ] -RRB- 28553 1265 3 has have VBZ 28553 1265 4 a a DT 28553 1265 5 natural natural JJ 28553 1265 6 time time NN 28553 1265 7 period period NN 28553 1265 8 of of IN 28553 1265 9 electrical electrical JJ 28553 1265 10 oscillation oscillation NN 28553 1265 11 of of IN 28553 1265 12 about about RB 28553 1265 13 one one CD 28553 1265 14 - - HYPH 28553 1265 15 millionth millionth NN 28553 1265 16 of of IN 28553 1265 17 a a DT 28553 1265 18 second second NN 28553 1265 19 . . . 28553 1266 1 Therefore therefore RB 28553 1266 2 if if IN 28553 1266 3 waves wave NNS 28553 1266 4 strike strike VBP 28553 1266 5 this this DT 28553 1266 6 wire wire NN 28553 1266 7 a a DT 28553 1266 8 million million CD 28553 1266 9 times time NNS 28553 1266 10 a a DT 28553 1266 11 second second JJ 28553 1266 12 they -PRON- PRP 28553 1266 13 will will MD 28553 1266 14 reinforce reinforce VB 28553 1266 15 one one CD 28553 1266 16 another another DT 28553 1266 17 and and CC 28553 1266 18 influence influence VB 28553 1266 19 the the DT 28553 1266 20 coherer coherer NN 28553 1266 21 ; ; : 28553 1266 22 whereas whereas IN 28553 1266 23 a a DT 28553 1266 24 less less RBR 28553 1266 25 or or CC 28553 1266 26 greater great JJR 28553 1266 27 frequency frequency NN 28553 1266 28 will will MD 28553 1266 29 leave leave VB 28553 1266 30 it -PRON- PRP 28553 1266 31 practically practically RB 28553 1266 32 unaffected unaffected JJ 28553 1266 33 . . . 28553 1267 1 By by IN 28553 1267 2 adjusting adjust VBG 28553 1267 3 the the DT 28553 1267 4 receiving receive VBG 28553 1267 5 circuit circuit NN 28553 1267 6 to to IN 28553 1267 7 the the DT 28553 1267 8 transmitter transmitter NN 28553 1267 9 , , , 28553 1267 10 or or CC 28553 1267 11 _ _ NNP 28553 1267 12 vice vice NN 28553 1267 13 versâ versâ NNP 28553 1267 14 _ _ NNP 28553 1267 15 , , , 28553 1267 16 selective selective JJ 28553 1267 17 wireless wireless JJ 28553 1267 18 telegraphy telegraphy NN 28553 1267 19 becomes become VBZ 28553 1267 20 possible possible JJ 28553 1267 21 . . . 28553 1268 1 ADVANCE advance RB 28553 1268 2 OF of IN 28553 1268 3 WIRELESS WIRELESS NNP 28553 1268 4 TELEGRAPHY TELEGRAPHY NNS 28553 1268 5 . . . 28553 1269 1 The the DT 28553 1269 2 history history NN 28553 1269 3 of of IN 28553 1269 4 wireless wireless JJ 28553 1269 5 telegraphy telegraphy NN 28553 1269 6 may may MD 28553 1269 7 be be VB 28553 1269 8 summed sum VBN 28553 1269 9 up up RP 28553 1269 10 as as IN 28553 1269 11 follows:-- follows:-- NNP 28553 1269 12 1842.--Professor 1842.--professor NN 28553 1269 13 Morse Morse NNP 28553 1269 14 sent send VBD 28553 1269 15 aërial aërial JJ 28553 1269 16 messages message NNS 28553 1269 17 across across IN 28553 1269 18 the the DT 28553 1269 19 Susquehanna Susquehanna NNP 28553 1269 20 River River NNP 28553 1269 21 . . . 28553 1270 1 A a DT 28553 1270 2 line line NN 28553 1270 3 containing contain VBG 28553 1270 4 a a DT 28553 1270 5 battery battery NN 28553 1270 6 and and CC 28553 1270 7 transmitter transmitter NN 28553 1270 8 was be VBD 28553 1270 9 carried carry VBN 28553 1270 10 on on IN 28553 1270 11 posts post NNS 28553 1270 12 along along IN 28553 1270 13 one one CD 28553 1270 14 bank bank NN 28553 1270 15 and and CC 28553 1270 16 " " `` 28553 1270 17 earthed earth VBN 28553 1270 18 " " '' 28553 1270 19 in in IN 28553 1270 20 the the DT 28553 1270 21 river river NN 28553 1270 22 at at IN 28553 1270 23 each each DT 28553 1270 24 end end NN 28553 1270 25 . . . 28553 1271 1 On on IN 28553 1271 2 the the DT 28553 1271 3 other other JJ 28553 1271 4 bank bank NN 28553 1271 5 was be VBD 28553 1271 6 a a DT 28553 1271 7 second second JJ 28553 1271 8 wire wire NN 28553 1271 9 attached attach VBN 28553 1271 10 to to IN 28553 1271 11 a a DT 28553 1271 12 receiver receiver NN 28553 1271 13 and and CC 28553 1271 14 similarly similarly RB 28553 1271 15 earthed earth VBN 28553 1271 16 . . . 28553 1272 1 Whenever whenever WRB 28553 1272 2 contact contact NN 28553 1272 3 was be VBD 28553 1272 4 made make VBN 28553 1272 5 and and CC 28553 1272 6 broken break VBN 28553 1272 7 on on IN 28553 1272 8 the the DT 28553 1272 9 battery battery NN 28553 1272 10 side side NN 28553 1272 11 , , , 28553 1272 12 the the DT 28553 1272 13 receiver receiver NN 28553 1272 14 on on IN 28553 1272 15 the the DT 28553 1272 16 other other JJ 28553 1272 17 was be VBD 28553 1272 18 affected affect VBN 28553 1272 19 . . . 28553 1273 1 Distance distance NN 28553 1273 2 about about RB 28553 1273 3 1 1 CD 28553 1273 4 mile mile NN 28553 1273 5 . . . 28553 1274 1 1859.--James 1859.--james CD 28553 1274 2 Bowman Bowman NNP 28553 1274 3 Lindsay Lindsay NNP 28553 1274 4 transmitted transmit VBN 28553 1274 5 messages message NNS 28553 1274 6 across across IN 28553 1274 7 the the DT 28553 1274 8 Tay Tay NNP 28553 1274 9 at at IN 28553 1274 10 Glencarse Glencarse NNP 28553 1274 11 in in IN 28553 1274 12 a a DT 28553 1274 13 somewhat somewhat RB 28553 1274 14 similar similar JJ 28553 1274 15 way way NN 28553 1274 16 . . . 28553 1275 1 Distance distance NN 28553 1275 2 about about RB 28553 1275 3 1/2 1/2 CD 28553 1275 4 mile mile NN 28553 1275 5 . . . 28553 1276 1 1885.--Sir 1885.--Sir NNP 28553 1276 2 William William NNP 28553 1276 3 Preece Preece NNP 28553 1276 4 signalled signal VBD 28553 1276 5 from from IN 28553 1276 6 Lavernock Lavernock NNP 28553 1276 7 Point Point NNP 28553 1276 8 , , , 28553 1276 9 near near IN 28553 1276 10 Cardiff Cardiff NNP 28553 1276 11 , , , 28553 1276 12 to to IN 28553 1276 13 Steep Steep NNP 28553 1276 14 Holm Holm NNP 28553 1276 15 , , , 28553 1276 16 an an DT 28553 1276 17 island island NN 28553 1276 18 in in IN 28553 1276 19 the the DT 28553 1276 20 Bristol Bristol NNP 28553 1276 21 Channel Channel NNP 28553 1276 22 . . . 28553 1277 1 Distance distance NN 28553 1277 2 about about RB 28553 1277 3 5 5 CD 28553 1277 4 - - SYM 28553 1277 5 1/2 1/2 CD 28553 1277 6 miles mile NNS 28553 1277 7 . . . 28553 1278 1 In in IN 28553 1278 2 all all PDT 28553 1278 3 these these DT 28553 1278 4 electrical electrical JJ 28553 1278 5 _ _ NNP 28553 1278 6 induction induction NN 28553 1278 7 _ _ NNP 28553 1278 8 of of IN 28553 1278 9 current current NN 28553 1278 10 was be VBD 28553 1278 11 employed employ VBN 28553 1278 12 . . . 28553 1279 1 1886.--Hertzian 1886.--hertzian JJ 28553 1279 2 waves wave NNS 28553 1279 3 discovered discover VBD 28553 1279 4 . . . 28553 1280 1 1895.--Professor 1895.--Professor NNP 28553 1280 2 A. A. NNP 28553 1280 3 Popoff Popoff NNP 28553 1280 4 sent send VBD 28553 1280 5 Hertzian hertzian JJ 28553 1280 6 wave wave NN 28553 1280 7 messages message NNS 28553 1280 8 over over IN 28553 1280 9 a a DT 28553 1280 10 distance distance NN 28553 1280 11 of of IN 28553 1280 12 3 3 CD 28553 1280 13 miles mile NNS 28553 1280 14 . . . 28553 1281 1 1897.--Marconi 1897.--marconi CD 28553 1281 2 signalled signal VBD 28553 1281 3 from from IN 28553 1281 4 the the DT 28553 1281 5 Needles Needles NNP 28553 1281 6 Hotel Hotel NNP 28553 1281 7 , , , 28553 1281 8 Isle Isle NNP 28553 1281 9 of of IN 28553 1281 10 Wight Wight NNP 28553 1281 11 , , , 28553 1281 12 to to IN 28553 1281 13 Swanage swanage NN 28553 1281 14 ; ; : 28553 1281 15 17 17 CD 28553 1281 16 - - SYM 28553 1281 17 1/2 1/2 CD 28553 1281 18 miles mile NNS 28553 1281 19 . . . 28553 1282 1 1901.--Messages 1901.--message NNS 28553 1282 2 sent send VBD 28553 1282 3 at at IN 28553 1282 4 sea sea NN 28553 1282 5 for for IN 28553 1282 6 380 380 CD 28553 1282 7 miles mile NNS 28553 1282 8 . . . 28553 1283 1 1901 1901 CD 28553 1283 2 , , , 28553 1283 3 Dec. December NNP 28553 1284 1 17.--Messages 17.--messages CD 28553 1284 2 transmitted transmit VBN 28553 1284 3 from from IN 28553 1284 4 Poldhu Poldhu NNP 28553 1284 5 , , , 28553 1284 6 Cornwall Cornwall NNP 28553 1284 7 , , , 28553 1284 8 to to IN 28553 1284 9 Hospital Hospital NNP 28553 1284 10 Point Point NNP 28553 1284 11 , , , 28553 1284 12 Newfoundland Newfoundland NNP 28553 1284 13 ; ; : 28553 1284 14 2,099 2,099 CD 28553 1284 15 miles mile NNS 28553 1284 16 . . . 28553 1285 1 Mr. Mr. NNP 28553 1285 2 Marconi Marconi NNP 28553 1285 3 has have VBZ 28553 1285 4 so so RB 28553 1285 5 perfected perfect VBN 28553 1285 6 tuning tuning NN 28553 1285 7 devices device NNS 28553 1285 8 that that IN 28553 1285 9 his -PRON- PRP$ 28553 1285 10 transatlantic transatlantic JJ 28553 1285 11 messages message NNS 28553 1285 12 do do VBP 28553 1285 13 not not RB 28553 1285 14 affect affect VB 28553 1285 15 receivers receiver NNS 28553 1285 16 placed place VBN 28553 1285 17 on on IN 28553 1285 18 board board NN 28553 1285 19 ships ship NNS 28553 1285 20 crossing cross VBG 28553 1285 21 the the DT 28553 1285 22 ocean ocean NN 28553 1285 23 , , , 28553 1285 24 unless unless IN 28553 1285 25 they -PRON- PRP 28553 1285 26 are be VBP 28553 1285 27 purposely purposely RB 28553 1285 28 tuned tune VBN 28553 1285 29 . . . 28553 1286 1 Atlantic atlantic JJ 28553 1286 2 liners liner NNS 28553 1286 3 now now RB 28553 1286 4 publish publish VBP 28553 1286 5 daily daily JJ 28553 1286 6 small small JJ 28553 1286 7 newspapers newspaper NNS 28553 1286 8 containing contain VBG 28553 1286 9 the the DT 28553 1286 10 latest late JJS 28553 1286 11 news news NN 28553 1286 12 , , , 28553 1286 13 flashed flash VBD 28553 1286 14 through through IN 28553 1286 15 space space NN 28553 1286 16 from from IN 28553 1286 17 land land NN 28553 1286 18 stations station NNS 28553 1286 19 . . . 28553 1287 1 In in IN 28553 1287 2 the the DT 28553 1287 3 United United NNP 28553 1287 4 States States NNP 28553 1287 5 the the DT 28553 1287 6 De De NNP 28553 1287 7 Forest Forest NNP 28553 1287 8 and and CC 28553 1287 9 Fessenden Fessenden NNP 28553 1287 10 systems system NNS 28553 1287 11 are be VBP 28553 1287 12 being be VBG 28553 1287 13 rapidly rapidly RB 28553 1287 14 extended extend VBN 28553 1287 15 to to TO 28553 1287 16 embrace embrace VB 28553 1287 17 the the DT 28553 1287 18 most most JJS 28553 1287 19 out out JJ 28553 1287 20 - - HYPH 28553 1287 21 of of IN 28553 1287 22 - - HYPH 28553 1287 23 the the DT 28553 1287 24 - - HYPH 28553 1287 25 way way NN 28553 1287 26 districts district NNS 28553 1287 27 . . . 28553 1288 1 Every every DT 28553 1288 2 navy navy NN 28553 1288 3 of of IN 28553 1288 4 importance importance NN 28553 1288 5 has have VBZ 28553 1288 6 adopted adopt VBN 28553 1288 7 wireless wireless JJ 28553 1288 8 telegraphy telegraphy NN 28553 1288 9 , , , 28553 1288 10 which which WDT 28553 1288 11 , , , 28553 1288 12 as as IN 28553 1288 13 was be VBD 28553 1288 14 proved prove VBN 28553 1288 15 during during IN 28553 1288 16 the the DT 28553 1288 17 Russo Russo NNP 28553 1288 18 - - HYPH 28553 1288 19 Japanese Japanese NNP 28553 1288 20 War War NNP 28553 1288 21 , , , 28553 1288 22 can can MD 28553 1288 23 be be VB 28553 1288 24 of of IN 28553 1288 25 the the DT 28553 1288 26 greatest great JJS 28553 1288 27 help help NN 28553 1288 28 in in IN 28553 1288 29 directing direct VBG 28553 1288 30 operations operation NNS 28553 1288 31 . . . 28553 1289 1 [ [ -LRB- 28553 1289 2 13 13 CD 28553 1289 3 ] ] -RRB- 28553 1289 4 Named name VBN 28553 1289 5 after after IN 28553 1289 6 their -PRON- PRP$ 28553 1289 7 first first JJ 28553 1289 8 discoverer discoverer NN 28553 1289 9 , , , 28553 1289 10 Dr. Dr. NNP 28553 1289 11 Hertz Hertz NNP 28553 1289 12 of of IN 28553 1289 13 Carlsruhe Carlsruhe NNP 28553 1289 14 , , , 28553 1289 15 " " '' 28553 1289 16 Hertzian hertzian JJ 28553 1289 17 waves wave NNS 28553 1289 18 . . . 28553 1289 19 " " '' 28553 1290 1 [ [ -LRB- 28553 1290 2 14 14 CD 28553 1290 3 ] ] -RRB- 28553 1290 4 For for IN 28553 1290 5 long long JJ 28553 1290 6 - - HYPH 28553 1290 7 distance distance NN 28553 1290 8 transmission transmission NN 28553 1290 9 powerful powerful JJ 28553 1290 10 dynamos dynamo NNS 28553 1290 11 take take VBP 28553 1290 12 the the DT 28553 1290 13 place place NN 28553 1290 14 of of IN 28553 1290 15 the the DT 28553 1290 16 induction induction NN 28553 1290 17 coil coil NN 28553 1290 18 and and CC 28553 1290 19 battery battery NN 28553 1290 20 . . . 28553 1291 1 [ [ -LRB- 28553 1291 2 15 15 CD 28553 1291 3 ] ] -RRB- 28553 1291 4 " " `` 28553 1291 5 Technics technic NNS 28553 1291 6 , , , 28553 1291 7 " " '' 28553 1291 8 vol vol NNP 28553 1291 9 . . . 28553 1292 1 ii ii LS 28553 1292 2 . . . 28553 1293 1 p. p. NN 28553 1293 2 566 566 CD 28553 1293 3 . . . 28553 1294 1 Chapter chapter NN 28553 1294 2 VIII viii NN 28553 1294 3 . . . 28553 1295 1 THE the DT 28553 1295 2 TELEPHONE telephone NN 28553 1295 3 . . . 28553 1296 1 The the DT 28553 1296 2 Bell Bell NNP 28553 1296 3 telephone telephone NN 28553 1296 4 -- -- : 28553 1296 5 The the DT 28553 1296 6 Edison Edison NNP 28553 1296 7 transmitter transmitter NN 28553 1296 8 -- -- : 28553 1296 9 The the DT 28553 1296 10 granular granular JJ 28553 1296 11 carbon carbon NN 28553 1296 12 transmitter transmitter NN 28553 1296 13 -- -- : 28553 1296 14 General general JJ 28553 1296 15 arrangement arrangement NN 28553 1296 16 of of IN 28553 1296 17 a a DT 28553 1296 18 telephone telephone NN 28553 1296 19 circuit circuit NN 28553 1296 20 -- -- : 28553 1296 21 Double double JJ 28553 1296 22 - - HYPH 28553 1296 23 line line NN 28553 1296 24 circuits circuit NNS 28553 1296 25 -- -- : 28553 1296 26 Telephone telephone NN 28553 1296 27 exchanges exchange NNS 28553 1296 28 -- -- : 28553 1296 29 Submarine submarine NN 28553 1296 30 telephony telephony NN 28553 1296 31 . . . 28553 1297 1 For for IN 28553 1297 2 the the DT 28553 1297 3 purposes purpose NNS 28553 1297 4 of of IN 28553 1297 5 everyday everyday JJ 28553 1297 6 life life NN 28553 1297 7 the the DT 28553 1297 8 telephone telephone NN 28553 1297 9 is be VBZ 28553 1297 10 even even RB 28553 1297 11 more more RBR 28553 1297 12 useful useful JJ 28553 1297 13 than than IN 28553 1297 14 the the DT 28553 1297 15 telegraph telegraph NN 28553 1297 16 . . . 28553 1298 1 Telephones telephone NNS 28553 1298 2 now now RB 28553 1298 3 connect connect VBP 28553 1298 4 one one CD 28553 1298 5 room room NN 28553 1298 6 of of IN 28553 1298 7 a a DT 28553 1298 8 building building NN 28553 1298 9 with with IN 28553 1298 10 another another DT 28553 1298 11 , , , 28553 1298 12 house house NN 28553 1298 13 with with IN 28553 1298 14 house house NN 28553 1298 15 , , , 28553 1298 16 town town NN 28553 1298 17 with with IN 28553 1298 18 town town NN 28553 1298 19 , , , 28553 1298 20 country country NN 28553 1298 21 with with IN 28553 1298 22 country country NN 28553 1298 23 . . . 28553 1299 1 An an DT 28553 1299 2 infinitely infinitely RB 28553 1299 3 greater great JJR 28553 1299 4 number number NN 28553 1299 5 of of IN 28553 1299 6 words word NNS 28553 1299 7 pass pass VBP 28553 1299 8 over over RP 28553 1299 9 the the DT 28553 1299 10 telephonic telephonic JJ 28553 1299 11 circuits circuit NNS 28553 1299 12 of of IN 28553 1299 13 the the DT 28553 1299 14 world world NN 28553 1299 15 in in IN 28553 1299 16 a a DT 28553 1299 17 year year NN 28553 1299 18 than than IN 28553 1299 19 are be VBP 28553 1299 20 transmitted transmit VBN 28553 1299 21 by by IN 28553 1299 22 telegraph telegraph NN 28553 1299 23 operators operator NNS 28553 1299 24 . . . 28553 1300 1 The the DT 28553 1300 2 telephone telephone NN 28553 1300 3 has have VBZ 28553 1300 4 become become VBN 28553 1300 5 an an DT 28553 1300 6 important important JJ 28553 1300 7 adjunct adjunct NN 28553 1300 8 to to IN 28553 1300 9 the the DT 28553 1300 10 transaction transaction NN 28553 1300 11 of of IN 28553 1300 12 business business NN 28553 1300 13 of of IN 28553 1300 14 all all DT 28553 1300 15 sorts sort NNS 28553 1300 16 . . . 28553 1301 1 Its -PRON- PRP$ 28553 1301 2 wires wire NNS 28553 1301 3 penetrate penetrate VBP 28553 1301 4 everywhere everywhere RB 28553 1301 5 . . . 28553 1302 1 Without without IN 28553 1302 2 moving move VBG 28553 1302 3 from from IN 28553 1302 4 his -PRON- PRP$ 28553 1302 5 desk desk NN 28553 1302 6 , , , 28553 1302 7 the the DT 28553 1302 8 London London NNP 28553 1302 9 citizen citizen NN 28553 1302 10 may may MD 28553 1302 11 hold hold VB 28553 1302 12 easy easy JJ 28553 1302 13 converse converse NN 28553 1302 14 with with IN 28553 1302 15 a a DT 28553 1302 16 Parisian Parisian NNP 28553 1302 17 , , , 28553 1302 18 a a DT 28553 1302 19 New New NNP 28553 1302 20 Yorker Yorker NNP 28553 1302 21 with with IN 28553 1302 22 a a DT 28553 1302 23 dweller dweller NN 28553 1302 24 in in IN 28553 1302 25 Chicago Chicago NNP 28553 1302 26 . . . 28553 1303 1 Wonderful wonderful JJ 28553 1303 2 as as IN 28553 1303 3 the the DT 28553 1303 4 transmission transmission NN 28553 1303 5 of of IN 28553 1303 6 signals signal NNS 28553 1303 7 over over IN 28553 1303 8 great great JJ 28553 1303 9 distances distance NNS 28553 1303 10 is be VBZ 28553 1303 11 , , , 28553 1303 12 the the DT 28553 1303 13 transmission transmission NN 28553 1303 14 of of IN 28553 1303 15 human human JJ 28553 1303 16 speech speech NN 28553 1303 17 so so RB 28553 1303 18 clearly clearly RB 28553 1303 19 that that IN 28553 1303 20 individual individual JJ 28553 1303 21 voices voice NNS 28553 1303 22 may may MD 28553 1303 23 be be VB 28553 1303 24 distinguished distinguish VBN 28553 1303 25 hundreds hundred NNS 28553 1303 26 of of IN 28553 1303 27 miles mile NNS 28553 1303 28 away away RB 28553 1303 29 is be VBZ 28553 1303 30 even even RB 28553 1303 31 more more RBR 28553 1303 32 so so RB 28553 1303 33 . . . 28553 1304 1 Yet yet CC 28553 1304 2 the the DT 28553 1304 3 instrument instrument NN 28553 1304 4 which which WDT 28553 1304 5 works work VBZ 28553 1304 6 the the DT 28553 1304 7 miracle miracle NN 28553 1304 8 is be VBZ 28553 1304 9 essentially essentially RB 28553 1304 10 simple simple JJ 28553 1304 11 in in IN 28553 1304 12 its -PRON- PRP$ 28553 1304 13 principles principle NNS 28553 1304 14 . . . 28553 1305 1 THE the DT 28553 1305 2 BELL BELL NNS 28553 1305 3 TELEPHONE telephone VBP 28553 1305 4 . . . 28553 1306 1 [ [ -LRB- 28553 1306 2 Illustration illustration NN 28553 1306 3 : : : 28553 1306 4 FIG FIG NNP 28553 1306 5 . . . 28553 1307 1 62.--Section 62.--section CD 28553 1307 2 of of IN 28553 1307 3 a a DT 28553 1307 4 Bell Bell NNP 28553 1307 5 telephone telephone NN 28553 1307 6 . . . 28553 1307 7 ] ] -RRB- 28553 1308 1 The the DT 28553 1308 2 first first JJ 28553 1308 3 telephone telephone NN 28553 1308 4 that that WDT 28553 1308 5 came come VBD 28553 1308 6 into into IN 28553 1308 7 general general JJ 28553 1308 8 use use NN 28553 1308 9 was be VBD 28553 1308 10 that that DT 28553 1308 11 of of IN 28553 1308 12 Bell Bell NNP 28553 1308 13 , , , 28553 1308 14 shown show VBN 28553 1308 15 in in IN 28553 1308 16 Fig Fig NNP 28553 1308 17 . . . 28553 1309 1 62 62 CD 28553 1309 2 . . . 28553 1310 1 In in IN 28553 1310 2 a a DT 28553 1310 3 central central JJ 28553 1310 4 hole hole NN 28553 1310 5 of of IN 28553 1310 6 an an DT 28553 1310 7 ebonite ebonite NN 28553 1310 8 casing casing NN 28553 1310 9 is be VBZ 28553 1310 10 fixed fix VBN 28553 1310 11 a a DT 28553 1310 12 permanent permanent JJ 28553 1310 13 magnet magnet NN 28553 1310 14 , , , 28553 1310 15 M. M. NNP 28553 1310 16 The the DT 28553 1310 17 casing casing NN 28553 1310 18 expands expand VBZ 28553 1310 19 at at IN 28553 1310 20 one one CD 28553 1310 21 end end NN 28553 1310 22 to to TO 28553 1310 23 accommodate accommodate VB 28553 1310 24 a a DT 28553 1310 25 coil coil NN 28553 1310 26 of of IN 28553 1310 27 insulated insulated JJ 28553 1310 28 wire wire NN 28553 1310 29 wound wind VBN 28553 1310 30 about about RB 28553 1310 31 one one CD 28553 1310 32 extremity extremity NN 28553 1310 33 of of IN 28553 1310 34 a a DT 28553 1310 35 magnet magnet NN 28553 1310 36 . . . 28553 1311 1 The the DT 28553 1311 2 coil coil NN 28553 1311 3 ends end NNS 28553 1311 4 are be VBP 28553 1311 5 attached attach VBN 28553 1311 6 to to IN 28553 1311 7 wires wire NNS 28553 1311 8 passing pass VBG 28553 1311 9 through through IN 28553 1311 10 small small JJ 28553 1311 11 channels channel NNS 28553 1311 12 to to IN 28553 1311 13 terminals terminal NNS 28553 1311 14 at at IN 28553 1311 15 the the DT 28553 1311 16 rear rear NN 28553 1311 17 . . . 28553 1312 1 A a DT 28553 1312 2 circular circular JJ 28553 1312 3 diaphragm diaphragm NN 28553 1312 4 , , , 28553 1312 5 D d NN 28553 1312 6 , , , 28553 1312 7 of of IN 28553 1312 8 very very RB 28553 1312 9 thin thin JJ 28553 1312 10 iron iron NN 28553 1312 11 plate plate NN 28553 1312 12 , , , 28553 1312 13 clamped clamp VBN 28553 1312 14 between between IN 28553 1312 15 the the DT 28553 1312 16 concave concave NNP 28553 1312 17 mouthpiece mouthpiece NNP 28553 1312 18 and and CC 28553 1312 19 the the DT 28553 1312 20 casing casing NN 28553 1312 21 , , , 28553 1312 22 almost almost RB 28553 1312 23 touches touch VBZ 28553 1312 24 the the DT 28553 1312 25 end end NN 28553 1312 26 of of IN 28553 1312 27 the the DT 28553 1312 28 magnet magnet NN 28553 1312 29 . . . 28553 1313 1 We -PRON- PRP 28553 1313 2 will will MD 28553 1313 3 suppose suppose VB 28553 1313 4 that that IN 28553 1313 5 two two CD 28553 1313 6 Bell Bell NNP 28553 1313 7 telephones telephone NNS 28553 1313 8 , , , 28553 1313 9 A a NN 28553 1313 10 and and CC 28553 1313 11 B b NN 28553 1313 12 , , , 28553 1313 13 are be VBP 28553 1313 14 connected connect VBN 28553 1313 15 up up RP 28553 1313 16 by by IN 28553 1313 17 wires wire NNS 28553 1313 18 , , , 28553 1313 19 so so IN 28553 1313 20 that that IN 28553 1313 21 the the DT 28553 1313 22 wires wire NNS 28553 1313 23 and and CC 28553 1313 24 the the DT 28553 1313 25 coils coil NNS 28553 1313 26 form form VBP 28553 1313 27 a a DT 28553 1313 28 complete complete JJ 28553 1313 29 circuit circuit NN 28553 1313 30 . . . 28553 1314 1 Words word NNS 28553 1314 2 are be VBP 28553 1314 3 spoken speak VBN 28553 1314 4 into into IN 28553 1314 5 A. a. NN 28553 1315 1 The the DT 28553 1315 2 air air NN 28553 1315 3 vibrations vibration NNS 28553 1315 4 , , , 28553 1315 5 passing pass VBG 28553 1315 6 through through IN 28553 1315 7 the the DT 28553 1315 8 central central JJ 28553 1315 9 hole hole NN 28553 1315 10 in in IN 28553 1315 11 the the DT 28553 1315 12 cover cover NN 28553 1315 13 , , , 28553 1315 14 make make VB 28553 1315 15 the the DT 28553 1315 16 diaphragm diaphragm VBN 28553 1315 17 vibrate vibrate NN 28553 1315 18 towards towards IN 28553 1315 19 and and CC 28553 1315 20 away away RB 28553 1315 21 from from IN 28553 1315 22 the the DT 28553 1315 23 magnet magnet NN 28553 1315 24 . . . 28553 1316 1 The the DT 28553 1316 2 distances distance NNS 28553 1316 3 through through IN 28553 1316 4 which which WDT 28553 1316 5 the the DT 28553 1316 6 diaphragm diaphragm JJ 28553 1316 7 moves move NNS 28553 1316 8 have have VBP 28553 1316 9 been be VBN 28553 1316 10 measured measure VBN 28553 1316 11 , , , 28553 1316 12 and and CC 28553 1316 13 found find VBD 28553 1316 14 not not RB 28553 1316 15 to to TO 28553 1316 16 exceed exceed VB 28553 1316 17 in in IN 28553 1316 18 some some DT 28553 1316 19 cases case NNS 28553 1316 20 more more JJR 28553 1316 21 than than IN 28553 1316 22 1/10,000,000 1/10,000,000 CD 28553 1316 23 of of IN 28553 1316 24 an an DT 28553 1316 25 inch inch NN 28553 1316 26 ! ! . 28553 1317 1 Its -PRON- PRP$ 28553 1317 2 movements movement NNS 28553 1317 3 distort distort VBP 28553 1317 4 the the DT 28553 1317 5 shape shape NN 28553 1317 6 of of IN 28553 1317 7 the the DT 28553 1317 8 " " `` 28553 1317 9 lines line NNS 28553 1317 10 of of IN 28553 1317 11 force force NN 28553 1317 12 " " '' 28553 1317 13 ( ( -LRB- 28553 1317 14 see see VB 28553 1317 15 p. p. NN 28553 1317 16 118 118 CD 28553 1317 17 ) ) -RRB- 28553 1317 18 emanating emanate VBG 28553 1317 19 from from IN 28553 1317 20 the the DT 28553 1317 21 magnet magnet NN 28553 1317 22 , , , 28553 1317 23 and and CC 28553 1317 24 these these DT 28553 1317 25 , , , 28553 1317 26 cutting cut VBG 28553 1317 27 through through IN 28553 1317 28 the the DT 28553 1317 29 turns turn NNS 28553 1317 30 of of IN 28553 1317 31 the the DT 28553 1317 32 coil coil NN 28553 1317 33 , , , 28553 1317 34 induce induce VBP 28553 1317 35 a a DT 28553 1317 36 current current NN 28553 1317 37 in in IN 28553 1317 38 the the DT 28553 1317 39 line line NN 28553 1317 40 circuit circuit NN 28553 1317 41 . . . 28553 1318 1 As as IN 28553 1318 2 the the DT 28553 1318 3 diaphragm diaphragm NN 28553 1318 4 approaches approach VBZ 28553 1318 5 the the DT 28553 1318 6 magnet magnet NN 28553 1318 7 a a DT 28553 1318 8 circuit circuit NN 28553 1318 9 is be VBZ 28553 1318 10 sent send VBN 28553 1318 11 in in IN 28553 1318 12 one one CD 28553 1318 13 direction direction NN 28553 1318 14 ; ; : 28553 1318 15 as as IN 28553 1318 16 it -PRON- PRP 28553 1318 17 leaves leave VBZ 28553 1318 18 it -PRON- PRP 28553 1318 19 , , , 28553 1318 20 in in IN 28553 1318 21 the the DT 28553 1318 22 other other JJ 28553 1318 23 . . . 28553 1319 1 Consequently consequently RB 28553 1319 2 speech speech NN 28553 1319 3 produces produce VBZ 28553 1319 4 rapidly rapidly RB 28553 1319 5 alternating alternate VBG 28553 1319 6 currents current NNS 28553 1319 7 in in IN 28553 1319 8 the the DT 28553 1319 9 circuit circuit NN 28553 1319 10 , , , 28553 1319 11 their -PRON- PRP$ 28553 1319 12 duration duration NN 28553 1319 13 and and CC 28553 1319 14 intensity intensity NN 28553 1319 15 depending depend VBG 28553 1319 16 on on IN 28553 1319 17 the the DT 28553 1319 18 nature nature NN 28553 1319 19 of of IN 28553 1319 20 the the DT 28553 1319 21 sound sound NN 28553 1319 22 . . . 28553 1320 1 Now now RB 28553 1320 2 consider consider VB 28553 1320 3 telephone telephone NN 28553 1320 4 B. b. NN 28553 1321 1 The the DT 28553 1321 2 currents current NNS 28553 1321 3 passing pass VBG 28553 1321 4 through through IN 28553 1321 5 its -PRON- PRP$ 28553 1321 6 coil coil NN 28553 1321 7 increase increase NN 28553 1321 8 or or CC 28553 1321 9 diminish diminish VB 28553 1321 10 the the DT 28553 1321 11 magnetism magnetism NN 28553 1321 12 of of IN 28553 1321 13 the the DT 28553 1321 14 magnet magnet NN 28553 1321 15 , , , 28553 1321 16 and and CC 28553 1321 17 cause cause VB 28553 1321 18 it -PRON- PRP 28553 1321 19 to to TO 28553 1321 20 attract attract VB 28553 1321 21 its -PRON- PRP$ 28553 1321 22 diaphragm diaphragm NN 28553 1321 23 with with IN 28553 1321 24 varying varying NN 28553 1321 25 force force NN 28553 1321 26 . . . 28553 1322 1 The the DT 28553 1322 2 vibration vibration NN 28553 1322 3 of of IN 28553 1322 4 the the DT 28553 1322 5 diaphragm diaphragm JJ 28553 1322 6 disturbs disturb VBZ 28553 1322 7 the the DT 28553 1322 8 air air NN 28553 1322 9 in in IN 28553 1322 10 exact exact JJ 28553 1322 11 accordance accordance NN 28553 1322 12 with with IN 28553 1322 13 the the DT 28553 1322 14 vibrations vibration NNS 28553 1322 15 of of IN 28553 1322 16 A A NNP 28553 1322 17 's 's POS 28553 1322 18 diaphragm diaphragm NN 28553 1322 19 , , , 28553 1322 20 and and CC 28553 1322 21 speech speech NN 28553 1322 22 is be VBZ 28553 1322 23 reproduced reproduce VBN 28553 1322 24 . . . 28553 1323 1 THE the DT 28553 1323 2 EDISON edison NN 28553 1323 3 TRANSMITTER TRANSMITTER NNP 28553 1323 4 . . . 28553 1324 1 The the DT 28553 1324 2 Bell Bell NNP 28553 1324 3 telephone telephone NN 28553 1324 4 may may MD 28553 1324 5 be be VB 28553 1324 6 used use VBN 28553 1324 7 both both DT 28553 1324 8 as as IN 28553 1324 9 a a DT 28553 1324 10 transmitter transmitter NN 28553 1324 11 and and CC 28553 1324 12 a a DT 28553 1324 13 receiver receiver NN 28553 1324 14 , , , 28553 1324 15 and and CC 28553 1324 16 the the DT 28553 1324 17 permanent permanent JJ 28553 1324 18 magnetism magnetism NN 28553 1324 19 of of IN 28553 1324 20 the the DT 28553 1324 21 cores core NNS 28553 1324 22 renders render VBZ 28553 1324 23 it -PRON- PRP 28553 1324 24 independent independent JJ 28553 1324 25 of of IN 28553 1324 26 an an DT 28553 1324 27 electric electric JJ 28553 1324 28 battery battery NN 28553 1324 29 . . . 28553 1325 1 But but CC 28553 1325 2 currents current NNS 28553 1325 3 generated generate VBN 28553 1325 4 by by IN 28553 1325 5 it -PRON- PRP 28553 1325 6 are be VBP 28553 1325 7 so so RB 28553 1325 8 minute minute JJ 28553 1325 9 that that IN 28553 1325 10 they -PRON- PRP 28553 1325 11 can can MD 28553 1325 12 not not RB 28553 1325 13 overcome overcome VB 28553 1325 14 the the DT 28553 1325 15 resistance resistance NN 28553 1325 16 of of IN 28553 1325 17 a a DT 28553 1325 18 long long JJ 28553 1325 19 circuit circuit NN 28553 1325 20 ; ; : 28553 1325 21 therefore therefore RB 28553 1325 22 a a DT 28553 1325 23 battery battery NN 28553 1325 24 is be VBZ 28553 1325 25 now now RB 28553 1325 26 always always RB 28553 1325 27 used use VBN 28553 1325 28 , , , 28553 1325 29 and and CC 28553 1325 30 with with IN 28553 1325 31 it -PRON- PRP 28553 1325 32 a a DT 28553 1325 33 special special JJ 28553 1325 34 device device NN 28553 1325 35 as as IN 28553 1325 36 transmitter transmitter NN 28553 1325 37 . . . 28553 1326 1 If if IN 28553 1326 2 in in IN 28553 1326 3 a a DT 28553 1326 4 circuit circuit NN 28553 1326 5 containing contain VBG 28553 1326 6 a a DT 28553 1326 7 telephone telephone NN 28553 1326 8 and and CC 28553 1326 9 a a DT 28553 1326 10 battery battery NN 28553 1326 11 there there EX 28553 1326 12 be be VB 28553 1326 13 a a DT 28553 1326 14 loose loose JJ 28553 1326 15 contact contact NN 28553 1326 16 , , , 28553 1326 17 and and CC 28553 1326 18 this this DT 28553 1326 19 be be VB 28553 1326 20 shaken shake VBN 28553 1326 21 , , , 28553 1326 22 the the DT 28553 1326 23 varying vary VBG 28553 1326 24 resistance resistance NN 28553 1326 25 of of IN 28553 1326 26 the the DT 28553 1326 27 contact contact NN 28553 1326 28 will will MD 28553 1326 29 cause cause VB 28553 1326 30 electrical electrical JJ 28553 1326 31 currents current NNS 28553 1326 32 of of IN 28553 1326 33 varying vary VBG 28553 1326 34 force force NN 28553 1326 35 to to TO 28553 1326 36 pass pass VB 28553 1326 37 through through IN 28553 1326 38 the the DT 28553 1326 39 circuit circuit NN 28553 1326 40 . . . 28553 1327 1 Edison Edison NNP 28553 1327 2 introduced introduce VBD 28553 1327 3 the the DT 28553 1327 4 first first JJ 28553 1327 5 successful successful JJ 28553 1327 6 _ _ NNP 28553 1327 7 microphone microphone NN 28553 1327 8 _ _ NNP 28553 1327 9 transmitter transmitter NN 28553 1327 10 , , , 28553 1327 11 in in IN 28553 1327 12 which which WDT 28553 1327 13 a a DT 28553 1327 14 small small JJ 28553 1327 15 platinum platinum NN 28553 1327 16 disc disc NN 28553 1327 17 connected connect VBN 28553 1327 18 to to IN 28553 1327 19 the the DT 28553 1327 20 diaphragm diaphragm NNP 28553 1327 21 pressed press VBN 28553 1327 22 with with IN 28553 1327 23 varying vary VBG 28553 1327 24 force force NN 28553 1327 25 against against IN 28553 1327 26 a a DT 28553 1327 27 disc disc NN 28553 1327 28 of of IN 28553 1327 29 carbon carbon NN 28553 1327 30 , , , 28553 1327 31 each each DT 28553 1327 32 disc disc NN 28553 1327 33 forming form VBG 28553 1327 34 part part NN 28553 1327 35 of of IN 28553 1327 36 the the DT 28553 1327 37 circuit circuit NN 28553 1327 38 . . . 28553 1328 1 Vibrations vibration NNS 28553 1328 2 of of IN 28553 1328 3 the the DT 28553 1328 4 diaphragm diaphragm NN 28553 1328 5 caused cause VBD 28553 1328 6 current current NN 28553 1328 7 to to TO 28553 1328 8 flow flow VB 28553 1328 9 in in IN 28553 1328 10 a a DT 28553 1328 11 series series NN 28553 1328 12 of of IN 28553 1328 13 rapid rapid JJ 28553 1328 14 pulsations pulsation NNS 28553 1328 15 . . . 28553 1329 1 [ [ -LRB- 28553 1329 2 Illustration illustration NN 28553 1329 3 : : : 28553 1329 4 FIG FIG NNP 28553 1329 5 . . . 28553 1330 1 63.--Section 63.--section CD 28553 1330 2 of of IN 28553 1330 3 a a DT 28553 1330 4 granular granular JJ 28553 1330 5 carbon carbon NN 28553 1330 6 transmitter transmitter NN 28553 1330 7 . . . 28553 1330 8 ] ] -RRB- 28553 1331 1 THE the DT 28553 1331 2 GRANULAR GRANULAR NNP 28553 1331 3 CARBON carbon NN 28553 1331 4 TRANSMITTER TRANSMITTER NNP 28553 1331 5 . . . 28553 1332 1 In in IN 28553 1332 2 Fig Fig NNP 28553 1332 3 . . . 28553 1333 1 63 63 CD 28553 1333 2 we -PRON- PRP 28553 1333 3 have have VBP 28553 1333 4 a a DT 28553 1333 5 section section NN 28553 1333 6 of of IN 28553 1333 7 a a DT 28553 1333 8 microphone microphone NN 28553 1333 9 transmitter transmitter NN 28553 1333 10 now now RB 28553 1333 11 very very RB 28553 1333 12 widely widely RB 28553 1333 13 used use VBN 28553 1333 14 . . . 28553 1334 1 It -PRON- PRP 28553 1334 2 was be VBD 28553 1334 3 invented invent VBN 28553 1334 4 , , , 28553 1334 5 in in IN 28553 1334 6 its -PRON- PRP$ 28553 1334 7 original original JJ 28553 1334 8 form form NN 28553 1334 9 , , , 28553 1334 10 by by IN 28553 1334 11 an an DT 28553 1334 12 English english JJ 28553 1334 13 clergyman clergyman NN 28553 1334 14 named name VBN 28553 1334 15 Hunnings Hunnings NNP 28553 1334 16 . . . 28553 1335 1 Resting rest VBG 28553 1335 2 in in IN 28553 1335 3 a a DT 28553 1335 4 central central JJ 28553 1335 5 cavity cavity NN 28553 1335 6 of of IN 28553 1335 7 an an DT 28553 1335 8 ebonite ebonite NN 28553 1335 9 seating seating NN 28553 1335 10 is be VBZ 28553 1335 11 a a DT 28553 1335 12 carbon carbon NN 28553 1335 13 block block NN 28553 1335 14 , , , 28553 1335 15 C C NNP 28553 1335 16 , , , 28553 1335 17 with with IN 28553 1335 18 a a DT 28553 1335 19 face face NN 28553 1335 20 moulded mould VBN 28553 1335 21 into into IN 28553 1335 22 a a DT 28553 1335 23 number number NN 28553 1335 24 of of IN 28553 1335 25 pyramidal pyramidal JJ 28553 1335 26 projections projection NNS 28553 1335 27 , , , 28553 1335 28 P p NN 28553 1335 29 P. p. NN 28553 1335 30 The the DT 28553 1335 31 space space NN 28553 1335 32 between between IN 28553 1335 33 C C NNP 28553 1335 34 and and CC 28553 1335 35 a a DT 28553 1335 36 carbon carbon NN 28553 1335 37 diaphragm diaphragm NN 28553 1335 38 , , , 28553 1335 39 D d NN 28553 1335 40 , , , 28553 1335 41 is be VBZ 28553 1335 42 packed pack VBN 28553 1335 43 with with IN 28553 1335 44 carbon carbon NN 28553 1335 45 granules granule NNS 28553 1335 46 , , , 28553 1335 47 G G NNP 28553 1335 48 G. G. NNP 28553 1335 49 C C NNP 28553 1335 50 has have VBZ 28553 1335 51 direct direct JJ 28553 1335 52 contact contact NN 28553 1335 53 with with IN 28553 1335 54 line line NN 28553 1335 55 terminal terminal NN 28553 1335 56 T T NNP 28553 1335 57 , , , 28553 1335 58 which which WDT 28553 1335 59 screws screw VBZ 28553 1335 60 into into IN 28553 1335 61 it -PRON- PRP 28553 1335 62 ; ; : 28553 1335 63 D d NN 28553 1335 64 with with IN 28553 1335 65 T^1 T^1 NNP 28553 1335 66 through through IN 28553 1335 67 the the DT 28553 1335 68 brass brass NN 28553 1335 69 casing case VBG 28553 1335 70 , , , 28553 1335 71 screw screw NNP 28553 1335 72 S S NNP 28553 1335 73 , , , 28553 1335 74 and and CC 28553 1335 75 a a DT 28553 1335 76 small small JJ 28553 1335 77 plate plate NN 28553 1335 78 at at IN 28553 1335 79 the the DT 28553 1335 80 back back NN 28553 1335 81 of of IN 28553 1335 82 the the DT 28553 1335 83 transmitter transmitter NN 28553 1335 84 . . . 28553 1336 1 Voice voice NN 28553 1336 2 vibrations vibration NNS 28553 1336 3 compress compress VBP 28553 1336 4 G g NN 28553 1336 5 G g NN 28553 1336 6 , , , 28553 1336 7 and and CC 28553 1336 8 allow allow VB 28553 1336 9 current current NN 28553 1336 10 to to TO 28553 1336 11 pass pass VB 28553 1336 12 more more RBR 28553 1336 13 freely freely RB 28553 1336 14 from from IN 28553 1336 15 D d NN 28553 1336 16 to to IN 28553 1336 17 C. C. NNP 28553 1336 18 This this DT 28553 1336 19 form form NN 28553 1336 20 of of IN 28553 1336 21 microphone microphone NN 28553 1336 22 is be VBZ 28553 1336 23 very very RB 28553 1336 24 delicate delicate JJ 28553 1336 25 , , , 28553 1336 26 and and CC 28553 1336 27 unequalled unequalle VBN 28553 1336 28 for for IN 28553 1336 29 long long JJ 28553 1336 30 - - HYPH 28553 1336 31 distance distance NN 28553 1336 32 transmission transmission NN 28553 1336 33 . . . 28553 1337 1 [ [ -LRB- 28553 1337 2 Illustration illustration NN 28553 1337 3 : : : 28553 1337 4 FIG FIG NNP 28553 1337 5 . . . 28553 1338 1 64.--A 64.--a JJ 28553 1338 2 diagrammatic diagrammatic JJ 28553 1338 3 representation representation NN 28553 1338 4 of of IN 28553 1338 5 a a DT 28553 1338 6 telephonic telephonic JJ 28553 1338 7 circuit circuit NN 28553 1338 8 . . . 28553 1338 9 ] ] -RRB- 28553 1339 1 GENERAL GENERAL NNP 28553 1339 2 ARRANGEMENT ARRANGEMENT NNP 28553 1339 3 OF of IN 28553 1339 4 A a DT 28553 1339 5 TELEPHONE telephone NN 28553 1339 6 CIRCUIT circuit NN 28553 1339 7 . . . 28553 1340 1 In in IN 28553 1340 2 many many JJ 28553 1340 3 forms form NNS 28553 1340 4 of of IN 28553 1340 5 subscriber subscriber NN 28553 1340 6 's 's POS 28553 1340 7 instruments instrument NNS 28553 1340 8 both both DT 28553 1340 9 receiver receiver NN 28553 1340 10 and and CC 28553 1340 11 transmitter transmitter NN 28553 1340 12 are be VBP 28553 1340 13 mounted mount VBN 28553 1340 14 on on IN 28553 1340 15 a a DT 28553 1340 16 single single JJ 28553 1340 17 handle handle NN 28553 1340 18 in in IN 28553 1340 19 such such PDT 28553 1340 20 a a DT 28553 1340 21 way way NN 28553 1340 22 as as IN 28553 1340 23 to to TO 28553 1340 24 be be VB 28553 1340 25 conveniently conveniently RB 28553 1340 26 placed place VBN 28553 1340 27 for for IN 28553 1340 28 ear ear NN 28553 1340 29 and and CC 28553 1340 30 mouth mouth NN 28553 1340 31 . . . 28553 1341 1 For for IN 28553 1341 2 the the DT 28553 1341 3 sake sake NN 28553 1341 4 of of IN 28553 1341 5 clearness clearness NN 28553 1341 6 the the DT 28553 1341 7 diagrammatic diagrammatic JJ 28553 1341 8 sketch sketch NN 28553 1341 9 of of IN 28553 1341 10 a a DT 28553 1341 11 complete complete JJ 28553 1341 12 installation installation NN 28553 1341 13 ( ( -LRB- 28553 1341 14 Fig fig NN 28553 1341 15 . . . 28553 1342 1 64 64 CD 28553 1342 2 ) ) -RRB- 28553 1342 3 shows show VBZ 28553 1342 4 them -PRON- PRP 28553 1342 5 separated separate VBD 28553 1342 6 . . . 28553 1343 1 The the DT 28553 1343 2 transmitters transmitter NNS 28553 1343 3 , , , 28553 1343 4 it -PRON- PRP 28553 1343 5 will will MD 28553 1343 6 be be VB 28553 1343 7 noticed notice VBN 28553 1343 8 , , , 28553 1343 9 are be VBP 28553 1343 10 located locate VBN 28553 1343 11 in in IN 28553 1343 12 battery battery NN 28553 1343 13 circuits circuit NNS 28553 1343 14 , , , 28553 1343 15 including include VBG 28553 1343 16 the the DT 28553 1343 17 primary primary JJ 28553 1343 18 windings winding NNS 28553 1343 19 P p NN 28553 1343 20 P_2 P_2 NNP 28553 1343 21 of of IN 28553 1343 22 induction induction NN 28553 1343 23 coils coil NNS 28553 1343 24 . . . 28553 1344 1 The the DT 28553 1344 2 transmitters transmitter NNS 28553 1344 3 are be VBP 28553 1344 4 in in IN 28553 1344 5 the the DT 28553 1344 6 line line NN 28553 1344 7 circuit circuit NN 28553 1344 8 , , , 28553 1344 9 which which WDT 28553 1344 10 includes include VBZ 28553 1344 11 the the DT 28553 1344 12 secondary secondary JJ 28553 1344 13 windings winding NNS 28553 1344 14 S S NNP 28553 1344 15 S_2 S_2 NNP 28553 1344 16 of of IN 28553 1344 17 the the DT 28553 1344 18 coils coil NNS 28553 1344 19 . . . 28553 1345 1 We -PRON- PRP 28553 1345 2 will will MD 28553 1345 3 assume assume VB 28553 1345 4 that that IN 28553 1345 5 the the DT 28553 1345 6 transmitters transmitter NNS 28553 1345 7 are be VBP 28553 1345 8 , , , 28553 1345 9 in in IN 28553 1345 10 the the DT 28553 1345 11 first first JJ 28553 1345 12 instance instance NN 28553 1345 13 , , , 28553 1345 14 both both DT 28553 1345 15 hung hang VBD 28553 1345 16 on on IN 28553 1345 17 the the DT 28553 1345 18 hooks hook NNS 28553 1345 19 of of IN 28553 1345 20 the the DT 28553 1345 21 metallic metallic JJ 28553 1345 22 switches switch NNS 28553 1345 23 , , , 28553 1345 24 which which WDT 28553 1345 25 their -PRON- PRP$ 28553 1345 26 weight weight NN 28553 1345 27 depresses depress VBZ 28553 1345 28 to to IN 28553 1345 29 the the DT 28553 1345 30 position position NN 28553 1345 31 indicated indicate VBN 28553 1345 32 by by IN 28553 1345 33 the the DT 28553 1345 34 dotted dotted JJ 28553 1345 35 lines line NNS 28553 1345 36 . . . 28553 1346 1 The the DT 28553 1346 2 handle handle NN 28553 1346 3 of of IN 28553 1346 4 the the DT 28553 1346 5 magneto magneto NN 28553 1346 6 - - HYPH 28553 1346 7 generator generator NN 28553 1346 8 at at IN 28553 1346 9 the the DT 28553 1346 10 left left JJ 28553 1346 11 - - HYPH 28553 1346 12 end end NN 28553 1346 13 station station NN 28553 1346 14 is be VBZ 28553 1346 15 turned turn VBN 28553 1346 16 , , , 28553 1346 17 and and CC 28553 1346 18 current current JJ 28553 1346 19 passes pass VBZ 28553 1346 20 through through IN 28553 1346 21 the the DT 28553 1346 22 closed close VBN 28553 1346 23 circuit:--Line circuit:--Line NNP 28553 1346 24 A A NNP 28553 1346 25 , , , 28553 1346 26 E e NN 28553 1346 27 B_2 b_2 NN 28553 1346 28 , , , 28553 1346 29 contact contact NN 28553 1346 30 10 10 CD 28553 1346 31 , , , 28553 1346 32 the the DT 28553 1346 33 switch switch NN 28553 1346 34 9 9 CD 28553 1346 35 ; ; : 28553 1346 36 line line NN 28553 1346 37 B B NNP 28553 1346 38 , , , 28553 1346 39 4 4 CD 28553 1346 40 , , , 28553 1346 41 the the DT 28553 1346 42 other other JJ 28553 1346 43 switch switch NN 28553 1346 44 , , , 28553 1346 45 contact contact NN 28553 1346 46 5 5 CD 28553 1346 47 , , , 28553 1346 48 and and CC 28553 1346 49 E E NNP 28553 1346 50 B. B. NNP 28553 1347 1 Both both DT 28553 1347 2 bells bell NNS 28553 1347 3 ring re VBG 28553 1347 4 . . . 28553 1348 1 Both both DT 28553 1348 2 parties party NNS 28553 1348 3 now now RB 28553 1348 4 lift lift VBP 28553 1348 5 their -PRON- PRP$ 28553 1348 6 receivers receiver NNS 28553 1348 7 from from IN 28553 1348 8 the the DT 28553 1348 9 switch switch NN 28553 1348 10 hooks hook NNS 28553 1348 11 . . . 28553 1349 1 The the DT 28553 1349 2 switches switch NNS 28553 1349 3 rise rise VBP 28553 1349 4 against against IN 28553 1349 5 contacts contact NNS 28553 1349 6 1 1 CD 28553 1349 7 , , , 28553 1349 8 2 2 CD 28553 1349 9 , , , 28553 1349 10 3 3 CD 28553 1349 11 and and CC 28553 1349 12 6 6 CD 28553 1349 13 , , , 28553 1349 14 7 7 CD 28553 1349 15 , , , 28553 1349 16 8 8 CD 28553 1349 17 respectively respectively RB 28553 1349 18 . . . 28553 1350 1 Both both DT 28553 1350 2 primary primary JJ 28553 1350 3 and and CC 28553 1350 4 both both DT 28553 1350 5 secondary secondary JJ 28553 1350 6 circuits circuit NNS 28553 1350 7 are be VBP 28553 1350 8 now now RB 28553 1350 9 completed complete VBN 28553 1350 10 , , , 28553 1350 11 while while IN 28553 1350 12 the the DT 28553 1350 13 bells bell NNS 28553 1350 14 are be VBP 28553 1350 15 disconnected disconnect VBN 28553 1350 16 from from IN 28553 1350 17 the the DT 28553 1350 18 line line NN 28553 1350 19 wires wire NNS 28553 1350 20 . . . 28553 1351 1 The the DT 28553 1351 2 pulsations pulsation NNS 28553 1351 3 set set VBD 28553 1351 4 up up RP 28553 1351 5 by by IN 28553 1351 6 transmitter transmitter NN 28553 1351 7 T t NN 28553 1351 8 in in IN 28553 1351 9 primary primary JJ 28553 1351 10 coil coil NN 28553 1351 11 P p NN 28553 1351 12 are be VBP 28553 1351 13 magnified magnify VBN 28553 1351 14 by by IN 28553 1351 15 secondary secondary JJ 28553 1351 16 coil coil NN 28553 1351 17 S S NNP 28553 1351 18 for for IN 28553 1351 19 transmission transmission NN 28553 1351 20 through through IN 28553 1351 21 the the DT 28553 1351 22 line line NN 28553 1351 23 circuit circuit NN 28553 1351 24 , , , 28553 1351 25 and and CC 28553 1351 26 affect affect VB 28553 1351 27 both both DT 28553 1351 28 receivers receiver NNS 28553 1351 29 . . . 28553 1352 1 The the DT 28553 1352 2 same same JJ 28553 1352 3 thing thing NN 28553 1352 4 happens happen VBZ 28553 1352 5 when when WRB 28553 1352 6 T_2 T_2 NNP 28553 1352 7 is be VBZ 28553 1352 8 used use VBN 28553 1352 9 . . . 28553 1353 1 At at IN 28553 1353 2 the the DT 28553 1353 3 end end NN 28553 1353 4 of of IN 28553 1353 5 the the DT 28553 1353 6 conversation conversation NN 28553 1353 7 the the DT 28553 1353 8 receivers receiver NNS 28553 1353 9 are be VBP 28553 1353 10 hung hang VBN 28553 1353 11 on on IN 28553 1353 12 their -PRON- PRP$ 28553 1353 13 hooks hook NNS 28553 1353 14 again again RB 28553 1353 15 , , , 28553 1353 16 and and CC 28553 1353 17 the the DT 28553 1353 18 bell bell NNP 28553 1353 19 circuit circuit NNP 28553 1353 20 is be VBZ 28553 1353 21 remade remade NN 28553 1353 22 , , , 28553 1353 23 ready ready JJ 28553 1353 24 for for IN 28553 1353 25 the the DT 28553 1353 26 next next JJ 28553 1353 27 call call NN 28553 1353 28 . . . 28553 1354 1 [ [ -LRB- 28553 1354 2 Illustration illustration NN 28553 1354 3 : : : 28553 1354 4 A a DT 28553 1354 5 TELEPHONE telephone NN 28553 1354 6 EXCHANGE exchange NN 28553 1354 7 . . . 28553 1354 8 ] ] -RRB- 28553 1355 1 DOUBLE DOUBLE NNP 28553 1355 2 - - HYPH 28553 1355 3 LINE line NN 28553 1355 4 CIRCUITS CIRCUITS NNP 28553 1355 5 . . . 28553 1356 1 The the DT 28553 1356 2 currents current NNS 28553 1356 3 used use VBN 28553 1356 4 in in IN 28553 1356 5 telephones telephone NNS 28553 1356 6 pulsate pulsate VBP 28553 1356 7 very very RB 28553 1356 8 rapidly rapidly RB 28553 1356 9 , , , 28553 1356 10 but but CC 28553 1356 11 are be VBP 28553 1356 12 very very RB 28553 1356 13 feeble feeble JJ 28553 1356 14 . . . 28553 1357 1 Electric electric JJ 28553 1357 2 disturbances disturbance NNS 28553 1357 3 caused cause VBN 28553 1357 4 by by IN 28553 1357 5 the the DT 28553 1357 6 proximity proximity NN 28553 1357 7 of of IN 28553 1357 8 telegraph telegraph NN 28553 1357 9 or or CC 28553 1357 10 tram tram NN 28553 1357 11 wires wire NNS 28553 1357 12 would would MD 28553 1357 13 much much RB 28553 1357 14 interfere interfere VB 28553 1357 15 with with IN 28553 1357 16 them -PRON- PRP 28553 1357 17 if if IN 28553 1357 18 the the DT 28553 1357 19 earth earth NN 28553 1357 20 were be VBD 28553 1357 21 used use VBN 28553 1357 22 for for IN 28553 1357 23 the the DT 28553 1357 24 return return NN 28553 1357 25 circuit circuit NN 28553 1357 26 . . . 28553 1358 1 It -PRON- PRP 28553 1358 2 has have VBZ 28553 1358 3 been be VBN 28553 1358 4 found find VBN 28553 1358 5 that that IN 28553 1358 6 a a DT 28553 1358 7 complete complete JJ 28553 1358 8 metallic metallic NNP 28553 1358 9 circuit circuit NN 28553 1358 10 ( ( -LRB- 28553 1358 11 two two CD 28553 1358 12 wires wire NNS 28553 1358 13 ) ) -RRB- 28553 1358 14 is be VBZ 28553 1358 15 practically practically RB 28553 1358 16 free free JJ 28553 1358 17 from from IN 28553 1358 18 interference interference NN 28553 1358 19 , , , 28553 1358 20 though though IN 28553 1358 21 where where WRB 28553 1358 22 a a DT 28553 1358 23 number number NN 28553 1358 24 of of IN 28553 1358 25 wires wire NNS 28553 1358 26 are be VBP 28553 1358 27 hung hang VBN 28553 1358 28 on on IN 28553 1358 29 the the DT 28553 1358 30 same same JJ 28553 1358 31 poles pole NNS 28553 1358 32 , , , 28553 1358 33 speech speech NN 28553 1358 34 - - HYPH 28553 1358 35 sounds sound NNS 28553 1358 36 may may MD 28553 1358 37 be be VB 28553 1358 38 faintly faintly RB 28553 1358 39 induced induce VBN 28553 1358 40 in in IN 28553 1358 41 one one CD 28553 1358 42 circuit circuit NN 28553 1358 43 from from IN 28553 1358 44 another another DT 28553 1358 45 . . . 28553 1359 1 This this DT 28553 1359 2 defect defect NN 28553 1359 3 is be VBZ 28553 1359 4 , , , 28553 1359 5 however however RB 28553 1359 6 , , , 28553 1359 7 minimized minimize VBN 28553 1359 8 by by IN 28553 1359 9 crossing cross VBG 28553 1359 10 the the DT 28553 1359 11 wires wire NNS 28553 1359 12 about about IN 28553 1359 13 among among IN 28553 1359 14 themselves -PRON- PRP 28553 1359 15 , , , 28553 1359 16 so so IN 28553 1359 17 that that IN 28553 1359 18 any any DT 28553 1359 19 one one CD 28553 1359 20 line line NN 28553 1359 21 does do VBZ 28553 1359 22 not not RB 28553 1359 23 pass pass VB 28553 1359 24 round round RB 28553 1359 25 the the DT 28553 1359 26 corresponding correspond VBG 28553 1359 27 insulator insulator NN 28553 1359 28 on on IN 28553 1359 29 every every DT 28553 1359 30 pole pole NN 28553 1359 31 . . . 28553 1360 1 TELEPHONE telephone NN 28553 1360 2 EXCHANGES exchanges NN 28553 1360 3 . . . 28553 1361 1 In in IN 28553 1361 2 a a DT 28553 1361 3 district district NN 28553 1361 4 where where WRB 28553 1361 5 a a DT 28553 1361 6 number number NN 28553 1361 7 of of IN 28553 1361 8 telephones telephone NNS 28553 1361 9 are be VBP 28553 1361 10 used use VBN 28553 1361 11 the the DT 28553 1361 12 subscribers subscriber NNS 28553 1361 13 are be VBP 28553 1361 14 put put VBN 28553 1361 15 into into IN 28553 1361 16 connection connection NN 28553 1361 17 with with IN 28553 1361 18 one one NN 28553 1361 19 another another DT 28553 1361 20 through through IN 28553 1361 21 an an DT 28553 1361 22 " " `` 28553 1361 23 exchange exchange NN 28553 1361 24 , , , 28553 1361 25 " " '' 28553 1361 26 to to TO 28553 1361 27 which which WDT 28553 1361 28 all all PDT 28553 1361 29 the the DT 28553 1361 30 wires wire NNS 28553 1361 31 lead lead VBP 28553 1361 32 . . . 28553 1362 1 One one CD 28553 1362 2 wire wire NN 28553 1362 3 of of IN 28553 1362 4 each each DT 28553 1362 5 subscriber subscriber NN 28553 1362 6 runs run VBZ 28553 1362 7 to to IN 28553 1362 8 a a DT 28553 1362 9 common common JJ 28553 1362 10 " " `` 28553 1362 11 earth earth NN 28553 1362 12 ; ; : 28553 1362 13 " " '' 28553 1362 14 the the DT 28553 1362 15 other other JJ 28553 1362 16 terminates terminate NNS 28553 1362 17 at at IN 28553 1362 18 a a DT 28553 1362 19 switchboard switchboard NN 28553 1362 20 presided preside VBN 28553 1362 21 over over RP 28553 1362 22 by by IN 28553 1362 23 an an DT 28553 1362 24 operator operator NN 28553 1362 25 . . . 28553 1363 1 In in IN 28553 1363 2 an an DT 28553 1363 3 exchange exchange NN 28553 1363 4 used use VBN 28553 1363 5 by by IN 28553 1363 6 many many JJ 28553 1363 7 subscribers subscriber NNS 28553 1363 8 the the DT 28553 1363 9 terminals terminal NNS 28553 1363 10 are be VBP 28553 1363 11 distributed distribute VBN 28553 1363 12 over over IN 28553 1363 13 a a DT 28553 1363 14 number number NN 28553 1363 15 of of IN 28553 1363 16 switchboards switchboard NNS 28553 1363 17 , , , 28553 1363 18 each each DT 28553 1363 19 containing contain VBG 28553 1363 20 80 80 CD 28553 1363 21 to to TO 28553 1363 22 100 100 CD 28553 1363 23 terminals terminal NNS 28553 1363 24 , , , 28553 1363 25 and and CC 28553 1363 26 attended attend VBD 28553 1363 27 to to IN 28553 1363 28 by by IN 28553 1363 29 an an DT 28553 1363 30 operator operator NN 28553 1363 31 , , , 28553 1363 32 usually usually RB 28553 1363 33 a a DT 28553 1363 34 girl girl NN 28553 1363 35 . . . 28553 1364 1 When when WRB 28553 1364 2 a a DT 28553 1364 3 subscriber subscriber NN 28553 1364 4 wishes wish VBZ 28553 1364 5 to to TO 28553 1364 6 be be VB 28553 1364 7 connected connect VBN 28553 1364 8 to to IN 28553 1364 9 another another DT 28553 1364 10 subscriber subscriber NN 28553 1364 11 , , , 28553 1364 12 he -PRON- PRP 28553 1364 13 either either CC 28553 1364 14 turns turn VBZ 28553 1364 15 the the DT 28553 1364 16 handle handle NN 28553 1364 17 of of IN 28553 1364 18 a a DT 28553 1364 19 magneto magneto NNP 28553 1364 20 generator generator NN 28553 1364 21 , , , 28553 1364 22 which which WDT 28553 1364 23 causes cause VBZ 28553 1364 24 a a DT 28553 1364 25 shutter shutter NN 28553 1364 26 to to TO 28553 1364 27 fall fall VB 28553 1364 28 and and CC 28553 1364 29 expose expose VB 28553 1364 30 his -PRON- PRP$ 28553 1364 31 number number NN 28553 1364 32 at at IN 28553 1364 33 the the DT 28553 1364 34 exchange exchange NN 28553 1364 35 , , , 28553 1364 36 or or CC 28553 1364 37 simply simply RB 28553 1364 38 depresses depress VBZ 28553 1364 39 a a DT 28553 1364 40 key key NN 28553 1364 41 which which WDT 28553 1364 42 works work VBZ 28553 1364 43 a a DT 28553 1364 44 relay relay NN 28553 1364 45 at at IN 28553 1364 46 the the DT 28553 1364 47 exchange exchange NN 28553 1364 48 and and CC 28553 1364 49 lights light VBZ 28553 1364 50 a a DT 28553 1364 51 tiny tiny JJ 28553 1364 52 electric electric JJ 28553 1364 53 lamp lamp NN 28553 1364 54 . . . 28553 1365 1 The the DT 28553 1365 2 operator operator NN 28553 1365 3 , , , 28553 1365 4 seeing see VBG 28553 1365 5 the the DT 28553 1365 6 signal signal NN 28553 1365 7 , , , 28553 1365 8 connects connect VBZ 28553 1365 9 her -PRON- PRP$ 28553 1365 10 telephone telephone NN 28553 1365 11 with with IN 28553 1365 12 the the DT 28553 1365 13 subscriber subscriber NN 28553 1365 14 's 's POS 28553 1365 15 circuit circuit NN 28553 1365 16 and and CC 28553 1365 17 asks ask VBZ 28553 1365 18 the the DT 28553 1365 19 number number NN 28553 1365 20 wanted want VBN 28553 1365 21 . . . 28553 1366 1 This this DT 28553 1366 2 given give VBN 28553 1366 3 , , , 28553 1366 4 she -PRON- PRP 28553 1366 5 rings ring VBZ 28553 1366 6 up up RP 28553 1366 7 the the DT 28553 1366 8 other other JJ 28553 1366 9 subscriber subscriber NN 28553 1366 10 , , , 28553 1366 11 and and CC 28553 1366 12 connects connect VBZ 28553 1366 13 the the DT 28553 1366 14 two two CD 28553 1366 15 circuits circuit NNS 28553 1366 16 by by IN 28553 1366 17 means mean NNS 28553 1366 18 of of IN 28553 1366 19 an an DT 28553 1366 20 insulated insulated JJ 28553 1366 21 wire wire NN 28553 1366 22 cord cord NN 28553 1366 23 having have VBG 28553 1366 24 a a DT 28553 1366 25 spike spike NN 28553 1366 26 at at IN 28553 1366 27 each each DT 28553 1366 28 end end NN 28553 1366 29 to to TO 28553 1366 30 fit fit VB 28553 1366 31 the the DT 28553 1366 32 " " `` 28553 1366 33 jack jack NN 28553 1366 34 " " '' 28553 1366 35 sockets socket NNS 28553 1366 36 of of IN 28553 1366 37 the the DT 28553 1366 38 switchboard switchboard NN 28553 1366 39 terminals terminal NNS 28553 1366 40 . . . 28553 1367 1 The the DT 28553 1367 2 two two CD 28553 1367 3 subscribers subscriber NNS 28553 1367 4 are be VBP 28553 1367 5 now now RB 28553 1367 6 in in IN 28553 1367 7 communication communication NN 28553 1367 8 . . . 28553 1368 1 [ [ -LRB- 28553 1368 2 Illustration illustration NN 28553 1368 3 : : : 28553 1368 4 FIG FIG NNP 28553 1368 5 . . . 28553 1369 1 65.--The 65.--the CD 28553 1369 2 headdress headdress NN 28553 1369 3 of of IN 28553 1369 4 an an DT 28553 1369 5 operator operator NN 28553 1369 6 at at IN 28553 1369 7 a a DT 28553 1369 8 telephone telephone NN 28553 1369 9 exchange exchange NN 28553 1369 10 . . . 28553 1370 1 The the DT 28553 1370 2 receiver receiver NN 28553 1370 3 is be VBZ 28553 1370 4 fastened fasten VBN 28553 1370 5 over over IN 28553 1370 6 one one CD 28553 1370 7 ear ear NN 28553 1370 8 , , , 28553 1370 9 and and CC 28553 1370 10 the the DT 28553 1370 11 transmitter transmitter NN 28553 1370 12 to to IN 28553 1370 13 the the DT 28553 1370 14 chest chest NN 28553 1370 15 . . . 28553 1370 16 ] ] -RRB- 28553 1371 1 If if IN 28553 1371 2 a a DT 28553 1371 3 number number NN 28553 1371 4 on on IN 28553 1371 5 switchboard switchboard JJ 28553 1371 6 A a DT 28553 1371 7 calls call NNS 28553 1371 8 for for IN 28553 1371 9 a a DT 28553 1371 10 number number NN 28553 1371 11 on on IN 28553 1371 12 switchboard switchboard JJ 28553 1371 13 C c NN 28553 1371 14 , , , 28553 1371 15 the the DT 28553 1371 16 operator operator NN 28553 1371 17 at at IN 28553 1371 18 A a DT 28553 1371 19 connects connect NNS 28553 1371 20 her -PRON- PRP$ 28553 1371 21 subscriber subscriber NN 28553 1371 22 by by IN 28553 1371 23 a a DT 28553 1371 24 jack jack NN 28553 1371 25 cord cord NN 28553 1371 26 to to IN 28553 1371 27 a a DT 28553 1371 28 trunk trunk NN 28553 1371 29 line line NN 28553 1371 30 running run VBG 28553 1371 31 to to IN 28553 1371 32 C C NNP 28553 1371 33 , , , 28553 1371 34 where where WRB 28553 1371 35 the the DT 28553 1371 36 operator operator NN 28553 1371 37 similarly similarly RB 28553 1371 38 connects connect VBZ 28553 1371 39 the the DT 28553 1371 40 trunk trunk NN 28553 1371 41 line line NN 28553 1371 42 with with IN 28553 1371 43 the the DT 28553 1371 44 number number NN 28553 1371 45 asked ask VBN 28553 1371 46 for for IN 28553 1371 47 , , , 28553 1371 48 after after IN 28553 1371 49 ringing ring VBG 28553 1371 50 up up RP 28553 1371 51 the the DT 28553 1371 52 subscriber subscriber NN 28553 1371 53 . . . 28553 1372 1 The the DT 28553 1372 2 central central JJ 28553 1372 3 exchange exchange NN 28553 1372 4 of of IN 28553 1372 5 one one CD 28553 1372 6 town town NN 28553 1372 7 is be VBZ 28553 1372 8 connected connect VBN 28553 1372 9 with with IN 28553 1372 10 that that DT 28553 1372 11 of of IN 28553 1372 12 another another DT 28553 1372 13 by by IN 28553 1372 14 one one CD 28553 1372 15 or or CC 28553 1372 16 more more JJR 28553 1372 17 trunk trunk NN 28553 1372 18 lines line NNS 28553 1372 19 , , , 28553 1372 20 so so IN 28553 1372 21 that that IN 28553 1372 22 a a DT 28553 1372 23 subscriber subscriber NN 28553 1372 24 may may MD 28553 1372 25 speak speak VB 28553 1372 26 through through IN 28553 1372 27 an an DT 28553 1372 28 indefinite indefinite JJ 28553 1372 29 number number NN 28553 1372 30 of of IN 28553 1372 31 exchanges exchange NNS 28553 1372 32 . . . 28553 1373 1 So so RB 28553 1373 2 perfect perfect JJ 28553 1373 3 is be VBZ 28553 1373 4 the the DT 28553 1373 5 modern modern JJ 28553 1373 6 telephone telephone NN 28553 1373 7 that that WDT 28553 1373 8 the the DT 28553 1373 9 writer writer NN 28553 1373 10 remembers remember VBZ 28553 1373 11 on on IN 28553 1373 12 one one CD 28553 1373 13 occasion occasion NN 28553 1373 14 hearing hear VBG 28553 1373 15 the the DT 28553 1373 16 door door NN 28553 1373 17 - - HYPH 28553 1373 18 bell bell NN 28553 1373 19 ring ring NN 28553 1373 20 in in IN 28553 1373 21 a a DT 28553 1373 22 house house NN 28553 1373 23 more more JJR 28553 1373 24 than than IN 28553 1373 25 a a DT 28553 1373 26 hundred hundred CD 28553 1373 27 miles mile NNS 28553 1373 28 away away RB 28553 1373 29 , , , 28553 1373 30 with with IN 28553 1373 31 which which WDT 28553 1373 32 he -PRON- PRP 28553 1373 33 was be VBD 28553 1373 34 at at IN 28553 1373 35 the the DT 28553 1373 36 moment moment NN 28553 1373 37 in in IN 28553 1373 38 telephonic telephonic JJ 28553 1373 39 connection connection NN 28553 1373 40 , , , 28553 1373 41 though though IN 28553 1373 42 three three CD 28553 1373 43 exchanges exchange NNS 28553 1373 44 were be VBD 28553 1373 45 in in IN 28553 1373 46 the the DT 28553 1373 47 circuit circuit NN 28553 1373 48 . . . 28553 1374 1 SUBMARINE SUBMARINE NNP 28553 1374 2 TELEPHONY TELEPHONY NNP 28553 1374 3 . . . 28553 1375 1 Though though IN 28553 1375 2 telegraphic telegraphic JJ 28553 1375 3 messages message NNS 28553 1375 4 are be VBP 28553 1375 5 transmitted transmit VBN 28553 1375 6 easily easily RB 28553 1375 7 through through IN 28553 1375 8 thousands thousand NNS 28553 1375 9 of of IN 28553 1375 10 miles mile NNS 28553 1375 11 of of IN 28553 1375 12 cable,[16 cable,[16 NNP 28553 1375 13 ] ] -RRB- 28553 1375 14 submarine submarine NN 28553 1375 15 telephony telephony NN 28553 1375 16 is be VBZ 28553 1375 17 at at IN 28553 1375 18 present present NN 28553 1375 19 restricted restrict VBN 28553 1375 20 to to IN 28553 1375 21 comparatively comparatively RB 28553 1375 22 short short JJ 28553 1375 23 distances distance NNS 28553 1375 24 . . . 28553 1376 1 When when WRB 28553 1376 2 a a DT 28553 1376 3 current current NN 28553 1376 4 passes pass VBZ 28553 1376 5 through through IN 28553 1376 6 a a DT 28553 1376 7 cable cable NN 28553 1376 8 , , , 28553 1376 9 electricity electricity NN 28553 1376 10 of of IN 28553 1376 11 opposite opposite JJ 28553 1376 12 polarity polarity NN 28553 1376 13 induced induce VBN 28553 1376 14 on on IN 28553 1376 15 the the DT 28553 1376 16 outside outside NN 28553 1376 17 of of IN 28553 1376 18 the the DT 28553 1376 19 cable cable NN 28553 1376 20 damps damp VBZ 28553 1376 21 the the DT 28553 1376 22 vibration vibration NN 28553 1376 23 in in IN 28553 1376 24 the the DT 28553 1376 25 conductor conductor NN 28553 1376 26 . . . 28553 1377 1 In in IN 28553 1377 2 the the DT 28553 1377 3 Atlantic Atlantic NNP 28553 1377 4 cable cable NN 28553 1377 5 , , , 28553 1377 6 strong strong JJ 28553 1377 7 currents current NNS 28553 1377 8 of of IN 28553 1377 9 electricity electricity NN 28553 1377 10 are be VBP 28553 1377 11 poured pour VBN 28553 1377 12 periodically periodically RB 28553 1377 13 into into IN 28553 1377 14 one one CD 28553 1377 15 end end NN 28553 1377 16 , , , 28553 1377 17 and and CC 28553 1377 18 though though IN 28553 1377 19 much much RB 28553 1377 20 enfeebled enfeebled JJ 28553 1377 21 when when WRB 28553 1377 22 they -PRON- PRP 28553 1377 23 reach reach VBP 28553 1377 24 the the DT 28553 1377 25 other other JJ 28553 1377 26 they -PRON- PRP 28553 1377 27 are be VBP 28553 1377 28 sufficiently sufficiently RB 28553 1377 29 strong strong JJ 28553 1377 30 to to TO 28553 1377 31 work work VB 28553 1377 32 a a DT 28553 1377 33 very very RB 28553 1377 34 delicate delicate JJ 28553 1377 35 " " `` 28553 1377 36 mirror mirror NN 28553 1377 37 galvanometer galvanometer NN 28553 1377 38 " " '' 28553 1377 39 ( ( -LRB- 28553 1377 40 invented invent VBN 28553 1377 41 by by IN 28553 1377 42 Lord Lord NNP 28553 1377 43 Kelvin Kelvin NNP 28553 1377 44 ) ) -RRB- 28553 1377 45 , , , 28553 1377 46 which which WDT 28553 1377 47 moves move VBZ 28553 1377 48 a a DT 28553 1377 49 reflected reflected JJ 28553 1377 50 ray ray NN 28553 1377 51 up up IN 28553 1377 52 and and CC 28553 1377 53 down down IN 28553 1377 54 a a DT 28553 1377 55 screen screen NN 28553 1377 56 , , , 28553 1377 57 the the DT 28553 1377 58 direction direction NN 28553 1377 59 of of IN 28553 1377 60 the the DT 28553 1377 61 movements movement NNS 28553 1377 62 indicating indicate VBG 28553 1377 63 a a DT 28553 1377 64 dot dot NN 28553 1377 65 or or CC 28553 1377 66 a a DT 28553 1377 67 dash dash NN 28553 1377 68 . . . 28553 1378 1 Reversible reversible NN 28553 1378 2 currents current NNS 28553 1378 3 are be VBP 28553 1378 4 used use VBN 28553 1378 5 in in IN 28553 1378 6 transmarine transmarine NN 28553 1378 7 telegraphy telegraphy NN 28553 1378 8 . . . 28553 1379 1 The the DT 28553 1379 2 galvanometer galvanometer NN 28553 1379 3 is be VBZ 28553 1379 4 affected affect VBN 28553 1379 5 like like IN 28553 1379 6 the the DT 28553 1379 7 coils coil NNS 28553 1379 8 and and CC 28553 1379 9 small small JJ 28553 1379 10 magnet magnet NN 28553 1379 11 in in IN 28553 1379 12 Wheatstone Wheatstone NNP 28553 1379 13 's 's POS 28553 1379 14 needle needle NN 28553 1379 15 instrument instrument NN 28553 1379 16 ( ( -LRB- 28553 1379 17 p. p. NN 28553 1379 18 128 128 CD 28553 1379 19 ) ) -RRB- 28553 1379 20 . . . 28553 1380 1 Telephonic telephonic JJ 28553 1380 2 currents current NNS 28553 1380 3 are be VBP 28553 1380 4 too too RB 28553 1380 5 feeble feeble JJ 28553 1380 6 to to TO 28553 1380 7 penetrate penetrate VB 28553 1380 8 many many JJ 28553 1380 9 miles mile NNS 28553 1380 10 of of IN 28553 1380 11 cable cable NN 28553 1380 12 . . . 28553 1381 1 There there EX 28553 1381 2 is be VBZ 28553 1381 3 telephonic telephonic JJ 28553 1381 4 communication communication NN 28553 1381 5 between between IN 28553 1381 6 England England NNP 28553 1381 7 and and CC 28553 1381 8 France France NNP 28553 1381 9 , , , 28553 1381 10 and and CC 28553 1381 11 England England NNP 28553 1381 12 and and CC 28553 1381 13 Ireland Ireland NNP 28553 1381 14 . . . 28553 1382 1 But but CC 28553 1382 2 transatlantic transatlantic JJ 28553 1382 3 telephony telephony NN 28553 1382 4 is be VBZ 28553 1382 5 still still RB 28553 1382 6 a a DT 28553 1382 7 thing thing NN 28553 1382 8 of of IN 28553 1382 9 the the DT 28553 1382 10 future future NN 28553 1382 11 . . . 28553 1383 1 It -PRON- PRP 28553 1383 2 is be VBZ 28553 1383 3 hoped hope VBN 28553 1383 4 , , , 28553 1383 5 however however RB 28553 1383 6 , , , 28553 1383 7 that that IN 28553 1383 8 by by IN 28553 1383 9 inserting insert VBG 28553 1383 10 induction induction NN 28553 1383 11 coils coil NNS 28553 1383 12 at at IN 28553 1383 13 intervals interval NNS 28553 1383 14 along along IN 28553 1383 15 the the DT 28553 1383 16 cables cable NNS 28553 1383 17 the the DT 28553 1383 18 currents current NNS 28553 1383 19 may may MD 28553 1383 20 be be VB 28553 1383 21 " " `` 28553 1383 22 stepped step VBN 28553 1383 23 up up RP 28553 1383 24 " " '' 28553 1383 25 from from IN 28553 1383 26 point point NN 28553 1383 27 to to IN 28553 1383 28 point point NN 28553 1383 29 , , , 28553 1383 30 and and CC 28553 1383 31 so so RB 28553 1383 32 get get VB 28553 1383 33 across across RP 28553 1383 34 . . . 28553 1384 1 Turning turn VBG 28553 1384 2 to to IN 28553 1384 3 Fig Fig NNP 28553 1384 4 . . . 28553 1385 1 64 64 CD 28553 1385 2 , , , 28553 1385 3 we -PRON- PRP 28553 1385 4 may may MD 28553 1385 5 suppose suppose VB 28553 1385 6 S S NNP 28553 1385 7 to to TO 28553 1385 8 be be VB 28553 1385 9 on on IN 28553 1385 10 shore shore NN 28553 1385 11 at at IN 28553 1385 12 the the DT 28553 1385 13 English english JJ 28553 1385 14 end end NN 28553 1385 15 , , , 28553 1385 16 and and CC 28553 1385 17 S_2 S_2 NNP 28553 1385 18 to to TO 28553 1385 19 be be VB 28553 1385 20 the the DT 28553 1385 21 _ _ NNP 28553 1385 22 primary primary NN 28553 1385 23 _ _ NNP 28553 1385 24 winding winding NN 28553 1385 25 of of IN 28553 1385 26 an an DT 28553 1385 27 induction induction NN 28553 1385 28 coil coil NN 28553 1385 29 a a DT 28553 1385 30 hundred hundred CD 28553 1385 31 miles mile NNS 28553 1385 32 away away RB 28553 1385 33 in in IN 28553 1385 34 the the DT 28553 1385 35 sea sea NN 28553 1385 36 , , , 28553 1385 37 which which WDT 28553 1385 38 magnifies magnify VBZ 28553 1385 39 the the DT 28553 1385 40 enfeebled enfeebled JJ 28553 1385 41 vibrations vibration NNS 28553 1385 42 for for IN 28553 1385 43 a a DT 28553 1385 44 journey journey NN 28553 1385 45 to to IN 28553 1385 46 S_3 S_3 NNP 28553 1385 47 , , , 28553 1385 48 where where WRB 28553 1385 49 they -PRON- PRP 28553 1385 50 are be VBP 28553 1385 51 again again RB 28553 1385 52 revived revive VBN 28553 1385 53 ; ; : 28553 1385 54 and and CC 28553 1385 55 so so RB 28553 1385 56 on on RB 28553 1385 57 , , , 28553 1385 58 till till IN 28553 1385 59 the the DT 28553 1385 60 New New NNP 28553 1385 61 World World NNP 28553 1385 62 is be VBZ 28553 1385 63 reached reach VBN 28553 1385 64 . . . 28553 1386 1 The the DT 28553 1386 2 difficulty difficulty NN 28553 1386 3 is be VBZ 28553 1386 4 to to TO 28553 1386 5 devise devise VB 28553 1386 6 induction induction NN 28553 1386 7 coils coil NNS 28553 1386 8 of of IN 28553 1386 9 great great JJ 28553 1386 10 power power NN 28553 1386 11 though though IN 28553 1386 12 of of IN 28553 1386 13 small small JJ 28553 1386 14 size size NN 28553 1386 15 . . . 28553 1387 1 Yet yet CC 28553 1387 2 science science NN 28553 1387 3 advances advance VBZ 28553 1387 4 nowadays nowadays RB 28553 1387 5 so so RB 28553 1387 6 fast fast RB 28553 1387 7 that that IN 28553 1387 8 we -PRON- PRP 28553 1387 9 may may MD 28553 1387 10 live live VB 28553 1387 11 to to TO 28553 1387 12 hear hear VB 28553 1387 13 words word NNS 28553 1387 14 spoken speak VBN 28553 1387 15 at at IN 28553 1387 16 the the DT 28553 1387 17 Antipodes Antipodes NNP 28553 1387 18 . . . 28553 1388 1 [ [ -LRB- 28553 1388 2 16 16 CD 28553 1388 3 ] ] -RRB- 28553 1388 4 In in IN 28553 1388 5 1896 1896 CD 28553 1388 6 the the DT 28553 1388 7 late late JJ 28553 1388 8 Li Li NNP 28553 1388 9 Hung Hung NNP 28553 1388 10 Chang Chang NNP 28553 1388 11 sent send VBD 28553 1388 12 a a DT 28553 1388 13 cablegram cablegram NN 28553 1388 14 from from IN 28553 1388 15 China China NNP 28553 1388 16 to to IN 28553 1388 17 England England NNP 28553 1388 18 ( ( -LRB- 28553 1388 19 12,608 12,608 CD 28553 1388 20 miles mile NNS 28553 1388 21 ) ) -RRB- 28553 1388 22 , , , 28553 1388 23 and and CC 28553 1388 24 received receive VBD 28553 1388 25 a a DT 28553 1388 26 reply reply NN 28553 1388 27 , , , 28553 1388 28 in in IN 28553 1388 29 _ _ NNP 28553 1388 30 seven seven CD 28553 1388 31 minutes minute NNS 28553 1388 32 _ _ NNP 28553 1388 33 . . . 28553 1389 1 Chapter Chapter NNP 28553 1389 2 IX IX NNP 28553 1389 3 . . . 28553 1390 1 DYNAMOS DYNAMOS NNP 28553 1390 2 AND and CC 28553 1390 3 ELECTRIC ELECTRIC NNP 28553 1390 4 MOTORS MOTORS NNP 28553 1390 5 . . . 28553 1391 1 A a DT 28553 1391 2 simple simple JJ 28553 1391 3 dynamo dynamo NN 28553 1391 4 -- -- : 28553 1391 5 Continuous continuous JJ 28553 1391 6 - - HYPH 28553 1391 7 current current JJ 28553 1391 8 dynamos dynamo NNS 28553 1391 9 -- -- : 28553 1391 10 Multipolar multipolar JJ 28553 1391 11 dynamos dynamo NNS 28553 1391 12 -- -- : 28553 1391 13 Exciting excite VBG 28553 1391 14 the the DT 28553 1391 15 field field NN 28553 1391 16 magnets magnet NNS 28553 1391 17 -- -- : 28553 1391 18 Alternating alternate VBG 28553 1391 19 current current JJ 28553 1391 20 dynamos dynamo NNS 28553 1391 21 -- -- : 28553 1391 22 The the DT 28553 1391 23 transmission transmission NN 28553 1391 24 of of IN 28553 1391 25 power power NN 28553 1391 26 -- -- : 28553 1391 27 The the DT 28553 1391 28 electric electric JJ 28553 1391 29 motor motor NN 28553 1391 30 -- -- : 28553 1391 31 Electric electric JJ 28553 1391 32 lighting lighting NN 28553 1391 33 -- -- : 28553 1391 34 The the DT 28553 1391 35 incandescent incandescent NN 28553 1391 36 lamp lamp NN 28553 1391 37 -- -- : 28553 1391 38 Arc Arc NNP 28553 1391 39 lamps--"Series lamps--"serie NNS 28553 1391 40 " " '' 28553 1391 41 and and CC 28553 1391 42 " " `` 28553 1391 43 parallel parallel JJ 28553 1391 44 " " '' 28553 1391 45 arrangement arrangement NN 28553 1391 46 of of IN 28553 1391 47 lamps lamp NNS 28553 1391 48 -- -- : 28553 1391 49 Current current NN 28553 1391 50 for for IN 28553 1391 51 electric electric JJ 28553 1391 52 lamps lamp NNS 28553 1391 53 -- -- : 28553 1391 54 Electroplating electroplate VBG 28553 1391 55 . . . 28553 1392 1 In in IN 28553 1392 2 previous previous JJ 28553 1392 3 chapters chapter NNS 28553 1392 4 we -PRON- PRP 28553 1392 5 have have VBP 28553 1392 6 incidentally incidentally RB 28553 1392 7 referred refer VBN 28553 1392 8 to to IN 28553 1392 9 the the DT 28553 1392 10 conversion conversion NN 28553 1392 11 of of IN 28553 1392 12 mechanical mechanical JJ 28553 1392 13 work work NN 28553 1392 14 into into IN 28553 1392 15 electrical electrical JJ 28553 1392 16 energy energy NN 28553 1392 17 . . . 28553 1393 1 In in IN 28553 1393 2 this this DT 28553 1393 3 we -PRON- PRP 28553 1393 4 shall shall MD 28553 1393 5 examine examine VB 28553 1393 6 how how WRB 28553 1393 7 it -PRON- PRP 28553 1393 8 is be VBZ 28553 1393 9 done do VBN 28553 1393 10 -- -- : 28553 1393 11 how how WRB 28553 1393 12 the the DT 28553 1393 13 silently silently RB 28553 1393 14 spinning spin VBG 28553 1393 15 dynamo dynamo NN 28553 1393 16 develops develop VBZ 28553 1393 17 power power NN 28553 1393 18 , , , 28553 1393 19 and and CC 28553 1393 20 why why WRB 28553 1393 21 the the DT 28553 1393 22 motor motor NN 28553 1393 23 spins spin VBZ 28553 1393 24 when when WRB 28553 1393 25 current current JJ 28553 1393 26 is be VBZ 28553 1393 27 passed pass VBN 28553 1393 28 through through IN 28553 1393 29 it -PRON- PRP 28553 1393 30 . . . 28553 1394 1 We -PRON- PRP 28553 1394 2 must must MD 28553 1394 3 begin begin VB 28553 1394 4 by by IN 28553 1394 5 returning return VBG 28553 1394 6 to to IN 28553 1394 7 our -PRON- PRP$ 28553 1394 8 first first JJ 28553 1394 9 electrical electrical JJ 28553 1394 10 diagram diagram NN 28553 1394 11 ( ( -LRB- 28553 1394 12 Fig fig NN 28553 1394 13 . . . 28553 1395 1 50 50 CD 28553 1395 2 ) ) -RRB- 28553 1395 3 , , , 28553 1395 4 and and CC 28553 1395 5 calling call VBG 28553 1395 6 to to TO 28553 1395 7 mind mind VB 28553 1395 8 the the DT 28553 1395 9 invisible invisible JJ 28553 1395 10 " " `` 28553 1395 11 lines line NNS 28553 1395 12 of of IN 28553 1395 13 force force NN 28553 1395 14 " " '' 28553 1395 15 which which WDT 28553 1395 16 permeate permeate VBP 28553 1395 17 the the DT 28553 1395 18 ether ether NN 28553 1395 19 in in IN 28553 1395 20 the the DT 28553 1395 21 immediate immediate JJ 28553 1395 22 neighbourhood neighbourhood NN 28553 1395 23 of of IN 28553 1395 24 a a DT 28553 1395 25 magnet magnet NN 28553 1395 26 's 's POS 28553 1395 27 poles pole NNS 28553 1395 28 , , , 28553 1395 29 called call VBD 28553 1395 30 the the DT 28553 1395 31 _ _ NNP 28553 1395 32 magnetic magnetic JJ 28553 1395 33 field field NN 28553 1395 34 _ _ NNP 28553 1395 35 of of IN 28553 1395 36 the the DT 28553 1395 37 magnet magnet NN 28553 1395 38 . . . 28553 1396 1 Many many JJ 28553 1396 2 years year NNS 28553 1396 3 ago ago RB 28553 1396 4 ( ( -LRB- 28553 1396 5 1831 1831 CD 28553 1396 6 ) ) -RRB- 28553 1396 7 the the DT 28553 1396 8 great great JJ 28553 1396 9 Michael Michael NNP 28553 1396 10 Faraday Faraday NNP 28553 1396 11 discovered discover VBD 28553 1396 12 that that IN 28553 1396 13 if if IN 28553 1396 14 a a DT 28553 1396 15 loop loop NN 28553 1396 16 of of IN 28553 1396 17 wire wire NN 28553 1396 18 were be VBD 28553 1396 19 moved move VBN 28553 1396 20 up up IN 28553 1396 21 and and CC 28553 1396 22 down down RB 28553 1396 23 between between IN 28553 1396 24 the the DT 28553 1396 25 poles pole NNS 28553 1396 26 of of IN 28553 1396 27 an an DT 28553 1396 28 electro electro JJ 28553 1396 29 - - HYPH 28553 1396 30 magnet magnet NN 28553 1396 31 ( ( -LRB- 28553 1396 32 Fig fig NN 28553 1396 33 . . . 28553 1397 1 66 66 LS 28553 1397 2 ) ) -RRB- 28553 1397 3 a a DT 28553 1397 4 current current NN 28553 1397 5 was be VBD 28553 1397 6 induced induce VBN 28553 1397 7 in in IN 28553 1397 8 the the DT 28553 1397 9 loop loop NN 28553 1397 10 , , , 28553 1397 11 its -PRON- PRP$ 28553 1397 12 direction direction NN 28553 1397 13 depending depend VBG 28553 1397 14 upon upon IN 28553 1397 15 that that DT 28553 1397 16 in in IN 28553 1397 17 which which WDT 28553 1397 18 the the DT 28553 1397 19 loop loop NN 28553 1397 20 was be VBD 28553 1397 21 moved move VBN 28553 1397 22 . . . 28553 1398 1 The the DT 28553 1398 2 energy energy NN 28553 1398 3 required require VBN 28553 1398 4 to to TO 28553 1398 5 cut cut VB 28553 1398 6 the the DT 28553 1398 7 lines line NNS 28553 1398 8 of of IN 28553 1398 9 force force NN 28553 1398 10 passed pass VBN 28553 1398 11 in in IN 28553 1398 12 some some DT 28553 1398 13 mysterious mysterious JJ 28553 1398 14 way way NN 28553 1398 15 into into IN 28553 1398 16 the the DT 28553 1398 17 wire wire NN 28553 1398 18 . . . 28553 1399 1 Why why WRB 28553 1399 2 this this DT 28553 1399 3 is be VBZ 28553 1399 4 so so IN 28553 1399 5 we -PRON- PRP 28553 1399 6 can can MD 28553 1399 7 not not RB 28553 1399 8 say say VB 28553 1399 9 , , , 28553 1399 10 but but CC 28553 1399 11 , , , 28553 1399 12 taking take VBG 28553 1399 13 advantage advantage NN 28553 1399 14 of of IN 28553 1399 15 the the DT 28553 1399 16 fact fact NN 28553 1399 17 , , , 28553 1399 18 electricians electrician NNS 28553 1399 19 have have VBP 28553 1399 20 gradually gradually RB 28553 1399 21 developed develop VBN 28553 1399 22 the the DT 28553 1399 23 enormous enormous JJ 28553 1399 24 machines machine NNS 28553 1399 25 which which WDT 28553 1399 26 now now RB 28553 1399 27 send send VBP 28553 1399 28 vehicles vehicle NNS 28553 1399 29 spinning spin VBG 28553 1399 30 over over IN 28553 1399 31 metal metal NN 28553 1399 32 tracks track NNS 28553 1399 33 , , , 28553 1399 34 light light VBP 28553 1399 35 our -PRON- PRP$ 28553 1399 36 streets street NNS 28553 1399 37 and and CC 28553 1399 38 houses house NNS 28553 1399 39 , , , 28553 1399 40 and and CC 28553 1399 41 supply supply VB 28553 1399 42 energy energy NN 28553 1399 43 to to IN 28553 1399 44 innumerable innumerable JJ 28553 1399 45 factories factory NNS 28553 1399 46 . . . 28553 1400 1 [ [ -LRB- 28553 1400 2 Illustration illustration NN 28553 1400 3 : : : 28553 1400 4 FIG FIG NNP 28553 1400 5 . . . 28553 1401 1 66 66 CD 28553 1401 2 . . . 28553 1401 3 ] ] -RRB- 28553 1402 1 The the DT 28553 1402 2 strength strength NN 28553 1402 3 of of IN 28553 1402 4 the the DT 28553 1402 5 current current NN 28553 1402 6 induced induce VBN 28553 1402 7 in in IN 28553 1402 8 a a DT 28553 1402 9 circuit circuit NN 28553 1402 10 cutting cut VBG 28553 1402 11 the the DT 28553 1402 12 lines line NNS 28553 1402 13 of of IN 28553 1402 14 force force NN 28553 1402 15 of of IN 28553 1402 16 a a DT 28553 1402 17 magnet magnet NN 28553 1402 18 is be VBZ 28553 1402 19 called call VBN 28553 1402 20 its -PRON- PRP$ 28553 1402 21 pressure pressure NN 28553 1402 22 , , , 28553 1402 23 voltage voltage NN 28553 1402 24 , , , 28553 1402 25 or or CC 28553 1402 26 electro electro NNP 28553 1402 27 - - HYPH 28553 1402 28 motive motive NN 28553 1402 29 force force NN 28553 1402 30 ( ( -LRB- 28553 1402 31 expressed express VBN 28553 1402 32 shortly shortly RB 28553 1402 33 E.M.F. E.M.F. NNP 28553 1402 34 ) ) -RRB- 28553 1402 35 . . . 28553 1403 1 It -PRON- PRP 28553 1403 2 may may MD 28553 1403 3 be be VB 28553 1403 4 compared compare VBN 28553 1403 5 with with IN 28553 1403 6 the the DT 28553 1403 7 pounds pound NNS 28553 1403 8 - - HYPH 28553 1403 9 to to IN 28553 1403 10 - - HYPH 28553 1403 11 the the DT 28553 1403 12 - - HYPH 28553 1403 13 square square JJ 28553 1403 14 - - HYPH 28553 1403 15 inch inch NN 28553 1403 16 of of IN 28553 1403 17 steam steam NN 28553 1403 18 . . . 28553 1404 1 In in IN 28553 1404 2 order order NN 28553 1404 3 to to TO 28553 1404 4 produce produce VB 28553 1404 5 an an DT 28553 1404 6 E.M.F. E.M.F. NNP 28553 1405 1 of of IN 28553 1405 2 one one CD 28553 1405 3 volt volt NN 28553 1405 4 it -PRON- PRP 28553 1405 5 is be VBZ 28553 1405 6 calculated calculate VBN 28553 1405 7 that that IN 28553 1405 8 100,000,000 100,000,000 CD 28553 1405 9 lines line NNS 28553 1405 10 of of IN 28553 1405 11 force force NN 28553 1405 12 must must MD 28553 1405 13 be be VB 28553 1405 14 cut cut VBN 28553 1405 15 every every DT 28553 1405 16 second second NN 28553 1405 17 . . . 28553 1406 1 The the DT 28553 1406 2 voltage voltage NN 28553 1406 3 depends depend VBZ 28553 1406 4 on on IN 28553 1406 5 three three CD 28553 1406 6 things:--(1 things:--(1 NN 28553 1406 7 . . . 28553 1406 8 ) ) -RRB- 28553 1407 1 The the DT 28553 1407 2 _ _ NNP 28553 1407 3 strength strength NN 28553 1407 4 _ _ NNP 28553 1407 5 of of IN 28553 1407 6 the the DT 28553 1407 7 magnet magnet NN 28553 1407 8 : : : 28553 1407 9 the the DT 28553 1407 10 stronger strong JJR 28553 1407 11 it -PRON- PRP 28553 1407 12 is be VBZ 28553 1407 13 , , , 28553 1407 14 the the DT 28553 1407 15 greater great JJR 28553 1407 16 the the DT 28553 1407 17 number number NN 28553 1407 18 of of IN 28553 1407 19 lines line NNS 28553 1407 20 of of IN 28553 1407 21 force force NN 28553 1407 22 coming come VBG 28553 1407 23 from from IN 28553 1407 24 it -PRON- PRP 28553 1407 25 . . . 28553 1408 1 ( ( -LRB- 28553 1408 2 2 2 CD 28553 1408 3 . . . 28553 1408 4 ) ) -RRB- 28553 1409 1 The the DT 28553 1409 2 _ _ NNP 28553 1409 3 length length NN 28553 1409 4 _ _ NNP 28553 1409 5 of of IN 28553 1409 6 the the DT 28553 1409 7 conductor conductor NN 28553 1409 8 cutting cut VBG 28553 1409 9 the the DT 28553 1409 10 lines line NNS 28553 1409 11 of of IN 28553 1409 12 force force NN 28553 1409 13 : : : 28553 1409 14 the the DT 28553 1409 15 longer long JJR 28553 1409 16 it -PRON- PRP 28553 1409 17 is be VBZ 28553 1409 18 , , , 28553 1409 19 the the DT 28553 1409 20 more more JJR 28553 1409 21 lines line NNS 28553 1409 22 it -PRON- PRP 28553 1409 23 will will MD 28553 1409 24 cut cut VB 28553 1409 25 . . . 28553 1410 1 ( ( -LRB- 28553 1410 2 3 3 CD 28553 1410 3 . . . 28553 1410 4 ) ) -RRB- 28553 1411 1 The the DT 28553 1411 2 _ _ NNP 28553 1411 3 speed speed NN 28553 1411 4 _ _ NNP 28553 1411 5 at at IN 28553 1411 6 which which WDT 28553 1411 7 the the DT 28553 1411 8 conductor conductor NN 28553 1411 9 moves move VBZ 28553 1411 10 : : : 28553 1411 11 the the DT 28553 1411 12 faster fast RBR 28553 1411 13 it -PRON- PRP 28553 1411 14 travels travel VBZ 28553 1411 15 , , , 28553 1411 16 the the DT 28553 1411 17 more more JJR 28553 1411 18 lines line NNS 28553 1411 19 it -PRON- PRP 28553 1411 20 will will MD 28553 1411 21 cut cut VB 28553 1411 22 in in IN 28553 1411 23 a a DT 28553 1411 24 given give VBN 28553 1411 25 time time NN 28553 1411 26 . . . 28553 1412 1 It -PRON- PRP 28553 1412 2 follows follow VBZ 28553 1412 3 that that IN 28553 1412 4 a a DT 28553 1412 5 powerful powerful JJ 28553 1412 6 dynamo dynamo NN 28553 1412 7 , , , 28553 1412 8 or or CC 28553 1412 9 mechanical mechanical JJ 28553 1412 10 producer producer NN 28553 1412 11 of of IN 28553 1412 12 current current NN 28553 1412 13 , , , 28553 1412 14 must must MD 28553 1412 15 have have VB 28553 1412 16 strong strong JJ 28553 1412 17 magnets magnet NNS 28553 1412 18 and and CC 28553 1412 19 a a DT 28553 1412 20 long long JJ 28553 1412 21 conductor conductor NN 28553 1412 22 ; ; : 28553 1412 23 and and CC 28553 1412 24 the the DT 28553 1412 25 latter latter JJ 28553 1412 26 must must MD 28553 1412 27 be be VB 28553 1412 28 moved move VBN 28553 1412 29 at at IN 28553 1412 30 a a DT 28553 1412 31 high high JJ 28553 1412 32 speed speed NN 28553 1412 33 across across IN 28553 1412 34 the the DT 28553 1412 35 lines line NNS 28553 1412 36 of of IN 28553 1412 37 force force NN 28553 1412 38 . . . 28553 1413 1 A a DT 28553 1413 2 SIMPLE SIMPLE NNP 28553 1413 3 DYNAMO dynamo NN 28553 1413 4 . . . 28553 1414 1 In in IN 28553 1414 2 Fig Fig NNP 28553 1414 3 . . . 28553 1415 1 67 67 CD 28553 1415 2 we -PRON- PRP 28553 1415 3 have have VBP 28553 1415 4 the the DT 28553 1415 5 simplest simple JJS 28553 1415 6 possible possible JJ 28553 1415 7 form form NN 28553 1415 8 of of IN 28553 1415 9 dynamo dynamo NN 28553 1415 10 -- -- : 28553 1415 11 a a DT 28553 1415 12 single single JJ 28553 1415 13 turn turn NN 28553 1415 14 of of IN 28553 1415 15 wire wire NN 28553 1415 16 , , , 28553 1415 17 _ _ NNP 28553 1415 18 w w NNP 28553 1415 19 x x NNP 28553 1415 20 y y NNP 28553 1415 21 z z NNP 28553 1415 22 _ _ NNP 28553 1415 23 , , , 28553 1415 24 mounted mount VBN 28553 1415 25 on on IN 28553 1415 26 a a DT 28553 1415 27 spindle spindle NN 28553 1415 28 , , , 28553 1415 29 and and CC 28553 1415 30 having have VBG 28553 1415 31 one one CD 28553 1415 32 end end NN 28553 1415 33 attached attach VBN 28553 1415 34 to to IN 28553 1415 35 an an DT 28553 1415 36 insulated insulated JJ 28553 1415 37 ring ring NN 28553 1415 38 C c NN 28553 1415 39 , , , 28553 1415 40 the the DT 28553 1415 41 other other JJ 28553 1415 42 to to IN 28553 1415 43 an an DT 28553 1415 44 insulated insulated JJ 28553 1415 45 ring ring NN 28553 1415 46 C^1 C^1 NNP 28553 1415 47 . . . 28553 1416 1 Two two CD 28553 1416 2 small small JJ 28553 1416 3 brushes brush NNS 28553 1416 4 , , , 28553 1416 5 B B NNP 28553 1416 6 B^1 B^1 NNP 28553 1416 7 , , , 28553 1416 8 of of IN 28553 1416 9 wire wire NN 28553 1416 10 gauze gauze NN 28553 1416 11 or or CC 28553 1416 12 carbon carbon NN 28553 1416 13 , , , 28553 1416 14 rubbing rub VBG 28553 1416 15 continuously continuously RB 28553 1416 16 against against IN 28553 1416 17 these these DT 28553 1416 18 collecting collect VBG 28553 1416 19 rings ring NNS 28553 1416 20 , , , 28553 1416 21 connect connect VB 28553 1416 22 them -PRON- PRP 28553 1416 23 with with IN 28553 1416 24 a a DT 28553 1416 25 wire wire NN 28553 1416 26 which which WDT 28553 1416 27 completes complete VBZ 28553 1416 28 the the DT 28553 1416 29 circuit circuit NN 28553 1416 30 . . . 28553 1417 1 The the DT 28553 1417 2 armature armature NN 28553 1417 3 , , , 28553 1417 4 as as IN 28553 1417 5 the the DT 28553 1417 6 revolving revolving JJ 28553 1417 7 coil coil NN 28553 1417 8 is be VBZ 28553 1417 9 called call VBN 28553 1417 10 , , , 28553 1417 11 is be VBZ 28553 1417 12 mounted mount VBN 28553 1417 13 between between IN 28553 1417 14 the the DT 28553 1417 15 poles pole NNS 28553 1417 16 of of IN 28553 1417 17 a a DT 28553 1417 18 magnet magnet NN 28553 1417 19 , , , 28553 1417 20 where where WRB 28553 1417 21 the the DT 28553 1417 22 lines line NNS 28553 1417 23 of of IN 28553 1417 24 force force NN 28553 1417 25 are be VBP 28553 1417 26 thickest thickest DT 28553 1417 27 . . . 28553 1418 1 These these DT 28553 1418 2 lines line NNS 28553 1418 3 are be VBP 28553 1418 4 _ _ NNP 28553 1418 5 supposed suppose VBN 28553 1418 6 _ _ NNP 28553 1418 7 to to TO 28553 1418 8 stream stream VB 28553 1418 9 from from IN 28553 1418 10 the the DT 28553 1418 11 N. N. NNP 28553 1418 12 to to IN 28553 1418 13 the the DT 28553 1418 14 S. S. NNP 28553 1418 15 pole pole NN 28553 1418 16 . . . 28553 1419 1 In in IN 28553 1419 2 Fig Fig NNP 28553 1419 3 . . . 28553 1420 1 67 67 CD 28553 1420 2 the the DT 28553 1420 3 armature armature NN 28553 1420 4 has have VBZ 28553 1420 5 reached reach VBN 28553 1420 6 a a DT 28553 1420 7 position position NN 28553 1420 8 in in IN 28553 1420 9 which which WDT 28553 1420 10 _ _ NNP 28553 1420 11 y y NNP 28553 1420 12 z z NNP 28553 1420 13 _ _ NNP 28553 1420 14 and and CC 28553 1420 15 _ _ NNP 28553 1420 16 w w NNP 28553 1420 17 x x NNP 28553 1420 18 _ _ NNP 28553 1420 19 are be VBP 28553 1420 20 cutting cut VBG 28553 1420 21 no no UH 28553 1420 22 , , , 28553 1420 23 or or CC 28553 1420 24 very very RB 28553 1420 25 few few JJ 28553 1420 26 , , , 28553 1420 27 lines line NNS 28553 1420 28 of of IN 28553 1420 29 force force NN 28553 1420 30 , , , 28553 1420 31 as as IN 28553 1420 32 they -PRON- PRP 28553 1420 33 move move VBP 28553 1420 34 practically practically RB 28553 1420 35 parallel parallel JJ 28553 1420 36 to to IN 28553 1420 37 the the DT 28553 1420 38 lines line NNS 28553 1420 39 . . . 28553 1421 1 This this DT 28553 1421 2 is be VBZ 28553 1421 3 called call VBN 28553 1421 4 the the DT 28553 1421 5 _ _ NNP 28553 1421 6 zero zero CD 28553 1421 7 _ _ NNP 28553 1421 8 position position NN 28553 1421 9 . . . 28553 1422 1 [ [ -LRB- 28553 1422 2 Illustration illustration NN 28553 1422 3 : : : 28553 1422 4 FIG FIG NNP 28553 1422 5 . . . 28553 1423 1 67 67 CD 28553 1423 2 . . . 28553 1423 3 ] ] -RRB- 28553 1424 1 [ [ -LRB- 28553 1424 2 Illustration illustration NN 28553 1424 3 : : : 28553 1424 4 FIG FIG NNP 28553 1424 5 . . . 28553 1425 1 68 68 CD 28553 1425 2 . . . 28553 1425 3 ] ] -RRB- 28553 1426 1 In in IN 28553 1426 2 Fig Fig NNP 28553 1426 3 . . . 28553 1427 1 68 68 CD 28553 1427 2 the the DT 28553 1427 3 armature armature NN 28553 1427 4 , , , 28553 1427 5 moving move VBG 28553 1427 6 at at IN 28553 1427 7 right right JJ 28553 1427 8 angles angle NNS 28553 1427 9 to to IN 28553 1427 10 the the DT 28553 1427 11 lines line NNS 28553 1427 12 of of IN 28553 1427 13 force force NN 28553 1427 14 , , , 28553 1427 15 cuts cut VBZ 28553 1427 16 a a DT 28553 1427 17 maximum maximum JJ 28553 1427 18 number number NN 28553 1427 19 in in IN 28553 1427 20 a a DT 28553 1427 21 given give VBN 28553 1427 22 time time NN 28553 1427 23 , , , 28553 1427 24 and and CC 28553 1427 25 the the DT 28553 1427 26 current current NN 28553 1427 27 induced induce VBN 28553 1427 28 in in IN 28553 1427 29 the the DT 28553 1427 30 coil coil NN 28553 1427 31 is be VBZ 28553 1427 32 therefore therefore RB 28553 1427 33 now now RB 28553 1427 34 most most RBS 28553 1427 35 intense intense JJ 28553 1427 36 . . . 28553 1428 1 Here here RB 28553 1428 2 we -PRON- PRP 28553 1428 3 must must MD 28553 1428 4 stop stop VB 28553 1428 5 a a DT 28553 1428 6 moment moment NN 28553 1428 7 to to TO 28553 1428 8 consider consider VB 28553 1428 9 how how WRB 28553 1428 10 to to TO 28553 1428 11 decide decide VB 28553 1428 12 in in IN 28553 1428 13 which which WDT 28553 1428 14 direction direction NN 28553 1428 15 the the DT 28553 1428 16 current current JJ 28553 1428 17 flows flow NNS 28553 1428 18 . . . 28553 1429 1 The the DT 28553 1429 2 armature armature NN 28553 1429 3 is be VBZ 28553 1429 4 revolving revolve VBG 28553 1429 5 in in IN 28553 1429 6 a a DT 28553 1429 7 clockwise clockwise JJ 28553 1429 8 direction direction NN 28553 1429 9 , , , 28553 1429 10 and and CC 28553 1429 11 _ _ NNP 28553 1429 12 y y NNP 28553 1429 13 z z NNP 28553 1429 14 _ _ NNP 28553 1429 15 , , , 28553 1429 16 therefore therefore RB 28553 1429 17 , , , 28553 1429 18 is be VBZ 28553 1429 19 moving move VBG 28553 1429 20 downwards downwards RB 28553 1429 21 . . . 28553 1430 1 Now now RB 28553 1430 2 , , , 28553 1430 3 suppose suppose VB 28553 1430 4 that that IN 28553 1430 5 you -PRON- PRP 28553 1430 6 rest rest VBP 28553 1430 7 your -PRON- PRP$ 28553 1430 8 _ _ NN 28553 1430 9 left leave VBD 28553 1430 10 _ _ NNP 28553 1430 11 hand hand NN 28553 1430 12 on on IN 28553 1430 13 the the DT 28553 1430 14 N. N. NNP 28553 1430 15 pole pole NN 28553 1430 16 of of IN 28553 1430 17 the the DT 28553 1430 18 magnet magnet NN 28553 1430 19 so so IN 28553 1430 20 that that IN 28553 1430 21 the the DT 28553 1430 22 arm arm NN 28553 1430 23 lies lie VBZ 28553 1430 24 in in IN 28553 1430 25 a a DT 28553 1430 26 line line NN 28553 1430 27 with with IN 28553 1430 28 the the DT 28553 1430 29 magnet magnet NN 28553 1430 30 . . . 28553 1431 1 Point point VB 28553 1431 2 your -PRON- PRP$ 28553 1431 3 forefinger forefinger NN 28553 1431 4 towards towards IN 28553 1431 5 the the DT 28553 1431 6 S. S. NNP 28553 1431 7 pole pole NN 28553 1431 8 . . . 28553 1432 1 It -PRON- PRP 28553 1432 2 will will MD 28553 1432 3 indicate indicate VB 28553 1432 4 the the DT 28553 1432 5 _ _ NNP 28553 1432 6 direction direction NN 28553 1432 7 of of IN 28553 1432 8 the the DT 28553 1432 9 lines line NNS 28553 1432 10 of of IN 28553 1432 11 force force NN 28553 1432 12 _ _ NNP 28553 1432 13 . . . 28553 1433 1 Bend bend VB 28553 1433 2 your -PRON- PRP$ 28553 1433 3 other other JJ 28553 1433 4 three three CD 28553 1433 5 fingers finger NNS 28553 1433 6 downwards downwards RB 28553 1433 7 over over IN 28553 1433 8 the the DT 28553 1433 9 edge edge NN 28553 1433 10 of of IN 28553 1433 11 the the DT 28553 1433 12 N. N. NNP 28553 1433 13 pole pole NN 28553 1433 14 . . . 28553 1434 1 They -PRON- PRP 28553 1434 2 will will MD 28553 1434 3 indicate indicate VB 28553 1434 4 the the DT 28553 1434 5 _ _ NNP 28553 1434 6 direction direction NN 28553 1434 7 in in IN 28553 1434 8 which which WDT 28553 1434 9 the the DT 28553 1434 10 conductor conductor NN 28553 1434 11 is be VBZ 28553 1434 12 moving move VBG 28553 1434 13 _ _ NNP 28553 1434 14 across across IN 28553 1434 15 the the DT 28553 1434 16 magnetic magnetic JJ 28553 1434 17 field field NN 28553 1434 18 . . . 28553 1435 1 Stick stick VB 28553 1435 2 out out RP 28553 1435 3 the the DT 28553 1435 4 thumb thumb NN 28553 1435 5 at at IN 28553 1435 6 right right JJ 28553 1435 7 angles angle NNS 28553 1435 8 to to IN 28553 1435 9 the the DT 28553 1435 10 forefinger forefinger NN 28553 1435 11 . . . 28553 1436 1 It -PRON- PRP 28553 1436 2 points point VBZ 28553 1436 3 in in IN 28553 1436 4 the the DT 28553 1436 5 direction direction NN 28553 1436 6 in in IN 28553 1436 7 which which WDT 28553 1436 8 the the DT 28553 1436 9 _ _ NNP 28553 1436 10 induced induce VBD 28553 1436 11 _ _ NNP 28553 1436 12 current current NN 28553 1436 13 is be VBZ 28553 1436 14 moving move VBG 28553 1436 15 through through IN 28553 1436 16 the the DT 28553 1436 17 nearer nearer JJ 28553 1436 18 half half NN 28553 1436 19 of of IN 28553 1436 20 the the DT 28553 1436 21 coil coil NN 28553 1436 22 . . . 28553 1437 1 Therefore therefore JJ 28553 1437 2 lines line NNS 28553 1437 3 of of IN 28553 1437 4 force force NN 28553 1437 5 , , , 28553 1437 6 conductor conductor NN 28553 1437 7 , , , 28553 1437 8 and and CC 28553 1437 9 induced induce VBD 28553 1437 10 current current JJ 28553 1437 11 travel travel NN 28553 1437 12 in in IN 28553 1437 13 planes plane NNS 28553 1437 14 which which WDT 28553 1437 15 , , , 28553 1437 16 like like IN 28553 1437 17 the the DT 28553 1437 18 top top NN 28553 1437 19 and and CC 28553 1437 20 two two CD 28553 1437 21 adjacent adjacent JJ 28553 1437 22 sides side NNS 28553 1437 23 of of IN 28553 1437 24 a a DT 28553 1437 25 box box NN 28553 1437 26 , , , 28553 1437 27 are be VBP 28553 1437 28 at at IN 28553 1437 29 right right JJ 28553 1437 30 angles angle NNS 28553 1437 31 to to IN 28553 1437 32 one one CD 28553 1437 33 another another DT 28553 1437 34 . . . 28553 1438 1 While while IN 28553 1438 2 current current JJ 28553 1438 3 travels travel NNS 28553 1438 4 from from IN 28553 1438 5 _ _ NNP 28553 1438 6 z z NNP 28553 1438 7 _ _ NNP 28553 1438 8 to to IN 28553 1438 9 _ _ NNP 28553 1438 10 y_--that y_--that NN 28553 1438 11 is be VBZ 28553 1438 12 , , , 28553 1438 13 _ _ NNP 28553 1438 14 from from IN 28553 1438 15 _ _ NNP 28553 1438 16 the the DT 28553 1438 17 ring ring NN 28553 1438 18 C^1 C^1 NNP 28553 1438 19 to to IN 28553 1438 20 _ _ NNP 28553 1438 21 y_--it y_--it NNP 28553 1438 22 also also RB 28553 1438 23 travels travel VBZ 28553 1438 24 from from IN 28553 1438 25 _ _ NNP 28553 1438 26 x x NNP 28553 1438 27 _ _ NNP 28553 1438 28 to to IN 28553 1438 29 _ _ NNP 28553 1438 30 w w NNP 28553 1438 31 _ _ NNP 28553 1438 32 , , , 28553 1438 33 because because IN 28553 1438 34 _ _ NNP 28553 1438 35 w w NNP 28553 1438 36 x x NNP 28553 1438 37 _ _ NNP 28553 1438 38 rises rise VBZ 28553 1438 39 while while IN 28553 1438 40 _ _ NNP 28553 1438 41 y y NNP 28553 1438 42 z z NNP 28553 1438 43 _ _ NNP 28553 1438 44 descends descend VBZ 28553 1438 45 . . . 28553 1439 1 So so RB 28553 1439 2 that that IN 28553 1439 3 a a DT 28553 1439 4 current current JJ 28553 1439 5 circulates circulate NNS 28553 1439 6 through through IN 28553 1439 7 the the DT 28553 1439 8 coil coil NN 28553 1439 9 and and CC 28553 1439 10 the the DT 28553 1439 11 exterior exterior JJ 28553 1439 12 part part NN 28553 1439 13 of of IN 28553 1439 14 the the DT 28553 1439 15 circuit circuit NN 28553 1439 16 , , , 28553 1439 17 including include VBG 28553 1439 18 the the DT 28553 1439 19 lamp lamp NN 28553 1439 20 . . . 28553 1440 1 After after IN 28553 1440 2 _ _ NNP 28553 1440 3 z z NNP 28553 1440 4 y y NNP 28553 1440 5 _ _ NNP 28553 1440 6 has have VBZ 28553 1440 7 passed pass VBN 28553 1440 8 the the DT 28553 1440 9 lowest low JJS 28553 1440 10 possible possible JJ 28553 1440 11 point point NN 28553 1440 12 of of IN 28553 1440 13 the the DT 28553 1440 14 circle circle NN 28553 1440 15 it -PRON- PRP 28553 1440 16 begins begin VBZ 28553 1440 17 to to TO 28553 1440 18 ascend ascend VB 28553 1440 19 , , , 28553 1440 20 _ _ NNP 28553 1440 21 w w NNP 28553 1440 22 x x NNP 28553 1440 23 _ _ NNP 28553 1440 24 to to TO 28553 1440 25 descend descend VB 28553 1440 26 . . . 28553 1441 1 The the DT 28553 1441 2 direction direction NN 28553 1441 3 of of IN 28553 1441 4 the the DT 28553 1441 5 current current NN 28553 1441 6 is be VBZ 28553 1441 7 therefore therefore RB 28553 1441 8 reversed reversed JJ 28553 1441 9 ; ; : 28553 1441 10 and and CC 28553 1441 11 as as IN 28553 1441 12 the the DT 28553 1441 13 change change NN 28553 1441 14 is be VBZ 28553 1441 15 repeated repeat VBN 28553 1441 16 every every DT 28553 1441 17 half half JJ 28553 1441 18 - - HYPH 28553 1441 19 revolution revolution NN 28553 1441 20 this this DT 28553 1441 21 form form NN 28553 1441 22 of of IN 28553 1441 23 dynamo dynamo NN 28553 1441 24 is be VBZ 28553 1441 25 called call VBN 28553 1441 26 an an DT 28553 1441 27 _ _ NNP 28553 1441 28 alternator alternator NN 28553 1441 29 _ _ NNP 28553 1441 30 or or CC 28553 1441 31 creator creator NN 28553 1441 32 of of IN 28553 1441 33 alternating alternate VBG 28553 1441 34 currents current NNS 28553 1441 35 . . . 28553 1442 1 A a DT 28553 1442 2 well well RB 28553 1442 3 - - HYPH 28553 1442 4 known know VBN 28553 1442 5 type type NN 28553 1442 6 of of IN 28553 1442 7 alternator alternator NN 28553 1442 8 is be VBZ 28553 1442 9 the the DT 28553 1442 10 magneto magneto NNP 28553 1442 11 machine machine NN 28553 1442 12 which which WDT 28553 1442 13 sends send VBZ 28553 1442 14 shocks shock NNS 28553 1442 15 through through IN 28553 1442 16 any any DT 28553 1442 17 one one NN 28553 1442 18 who who WP 28553 1442 19 completes complete VBZ 28553 1442 20 the the DT 28553 1442 21 external external JJ 28553 1442 22 circuit circuit NN 28553 1442 23 by by IN 28553 1442 24 holding hold VBG 28553 1442 25 the the DT 28553 1442 26 brass brass NN 28553 1442 27 handles handle NNS 28553 1442 28 connected connect VBN 28553 1442 29 by by IN 28553 1442 30 wires wire NNS 28553 1442 31 to to IN 28553 1442 32 the the DT 28553 1442 33 brushes brush NNS 28553 1442 34 . . . 28553 1443 1 The the DT 28553 1443 2 faster fast JJR 28553 1443 3 the the DT 28553 1443 4 handle handle NN 28553 1443 5 of of IN 28553 1443 6 the the DT 28553 1443 7 machine machine NN 28553 1443 8 is be VBZ 28553 1443 9 turned turn VBN 28553 1443 10 the the DT 28553 1443 11 more more RBR 28553 1443 12 frequent frequent JJ 28553 1443 13 is be VBZ 28553 1443 14 the the DT 28553 1443 15 alternation alternation NN 28553 1443 16 , , , 28553 1443 17 and and CC 28553 1443 18 the the DT 28553 1443 19 stronger strong JJR 28553 1443 20 the the DT 28553 1443 21 current current NN 28553 1443 22 . . . 28553 1444 1 [ [ -LRB- 28553 1444 2 Illustration illustration NN 28553 1444 3 : : : 28553 1444 4 FIG FIG NNP 28553 1444 5 . . . 28553 1445 1 69 69 CD 28553 1445 2 . . . 28553 1445 3 ] ] -RRB- 28553 1446 1 CONTINUOUS CONTINUOUS NNP 28553 1446 2 - - HYPH 28553 1446 3 CURRENT current NN 28553 1446 4 DYNAMOS dynamo NNS 28553 1446 5 . . . 28553 1447 1 An an DT 28553 1447 2 alternating alternate VBG 28553 1447 3 current current NN 28553 1447 4 is be VBZ 28553 1447 5 not not RB 28553 1447 6 so so RB 28553 1447 7 convenient convenient JJ 28553 1447 8 for for IN 28553 1447 9 some some DT 28553 1447 10 purposes purpose NNS 28553 1447 11 as as IN 28553 1447 12 a a DT 28553 1447 13 continuous continuous JJ 28553 1447 14 current current NN 28553 1447 15 . . . 28553 1448 1 It -PRON- PRP 28553 1448 2 is be VBZ 28553 1448 3 therefore therefore RB 28553 1448 4 sometimes sometimes RB 28553 1448 5 desirable desirable JJ 28553 1448 6 ( ( -LRB- 28553 1448 7 even even RB 28553 1448 8 necessary necessary JJ 28553 1448 9 ) ) -RRB- 28553 1448 10 to to TO 28553 1448 11 convert convert VB 28553 1448 12 the the DT 28553 1448 13 alternating alternating NN 28553 1448 14 into into IN 28553 1448 15 a a DT 28553 1448 16 uni uni JJ 28553 1448 17 - - HYPH 28553 1448 18 directional directional JJ 28553 1448 19 or or CC 28553 1448 20 continuous continuous JJ 28553 1448 21 current current NN 28553 1448 22 . . . 28553 1449 1 How how WRB 28553 1449 2 this this DT 28553 1449 3 is be VBZ 28553 1449 4 done do VBN 28553 1449 5 is be VBZ 28553 1449 6 shown show VBN 28553 1449 7 in in IN 28553 1449 8 Figs Figs NNP 28553 1449 9 . . . 28553 1450 1 69 69 CD 28553 1450 2 and and CC 28553 1450 3 70 70 CD 28553 1450 4 . . . 28553 1451 1 In in IN 28553 1451 2 place place NN 28553 1451 3 of of IN 28553 1451 4 the the DT 28553 1451 5 two two CD 28553 1451 6 collecting collect VBG 28553 1451 7 rings ring NNS 28553 1451 8 C C NNP 28553 1451 9 C^1 C^1 NNP 28553 1451 10 , , , 28553 1451 11 we -PRON- PRP 28553 1451 12 now now RB 28553 1451 13 have have VBP 28553 1451 14 a a DT 28553 1451 15 single single JJ 28553 1451 16 ring ring NN 28553 1451 17 split split VBD 28553 1451 18 longitudinally longitudinally RB 28553 1451 19 into into IN 28553 1451 20 two two CD 28553 1451 21 portions portion NNS 28553 1451 22 , , , 28553 1451 23 one one CD 28553 1451 24 of of IN 28553 1451 25 which which WDT 28553 1451 26 is be VBZ 28553 1451 27 connected connect VBN 28553 1451 28 to to IN 28553 1451 29 each each DT 28553 1451 30 end end NN 28553 1451 31 of of IN 28553 1451 32 the the DT 28553 1451 33 coil coil NN 28553 1451 34 _ _ NNP 28553 1451 35 w w NNP 28553 1451 36 x x NNP 28553 1451 37 y y NNP 28553 1451 38 z z NNP 28553 1451 39 _ _ XX 28553 1451 40 . . . 28553 1452 1 In in IN 28553 1452 2 Fig Fig NNP 28553 1452 3 . . . 28553 1453 1 69 69 CD 28553 1453 2 brush brush NN 28553 1453 3 B b NN 28553 1453 4 has have VBZ 28553 1453 5 just just RB 28553 1453 6 passed pass VBN 28553 1453 7 the the DT 28553 1453 8 gap gap NN 28553 1453 9 on on RP 28553 1453 10 to to IN 28553 1453 11 segment segment NN 28553 1453 12 C C NNP 28553 1453 13 , , , 28553 1453 14 brush brush NN 28553 1453 15 B^1 B^1 NNP 28553 1453 16 on on IN 28553 1453 17 to to IN 28553 1453 18 segment segment NN 28553 1453 19 C^1 C^1 NNP 28553 1453 20 . . . 28553 1454 1 For for IN 28553 1454 2 half half PDT 28553 1454 3 a a DT 28553 1454 4 revolution revolution NN 28553 1454 5 these these DT 28553 1454 6 remain remain VBP 28553 1454 7 respectively respectively RB 28553 1454 8 in in IN 28553 1454 9 contact contact NN 28553 1454 10 ; ; : 28553 1454 11 then then RB 28553 1454 12 , , , 28553 1454 13 just just RB 28553 1454 14 as as IN 28553 1454 15 _ _ NNP 28553 1454 16 y y NNP 28553 1454 17 z z NNP 28553 1454 18 _ _ NNP 28553 1454 19 begins begin VBZ 28553 1454 20 to to TO 28553 1454 21 rise rise VB 28553 1454 22 and and CC 28553 1454 23 _ _ NNP 28553 1454 24 w w NNP 28553 1454 25 x x NNP 28553 1454 26 _ _ NNP 28553 1454 27 to to TO 28553 1454 28 descend descend VB 28553 1454 29 , , , 28553 1454 30 the the DT 28553 1454 31 brushes brush NNS 28553 1454 32 cross cross VBP 28553 1454 33 the the DT 28553 1454 34 gaps gap NNS 28553 1454 35 again again RB 28553 1454 36 and and CC 28553 1454 37 exchange exchange NN 28553 1454 38 segments segment NNS 28553 1454 39 , , , 28553 1454 40 so so IN 28553 1454 41 that that IN 28553 1454 42 the the DT 28553 1454 43 current current NN 28553 1454 44 is be VBZ 28553 1454 45 perpetually perpetually RB 28553 1454 46 flowing flow VBG 28553 1454 47 one one CD 28553 1454 48 way way NN 28553 1454 49 through through IN 28553 1454 50 the the DT 28553 1454 51 circuit circuit NN 28553 1454 52 . . . 28553 1455 1 The the DT 28553 1455 2 effect effect NN 28553 1455 3 of of IN 28553 1455 4 the the DT 28553 1455 5 commutator[17 commutator[17 NN 28553 1455 6 ] ] -RRB- 28553 1455 7 is be VBZ 28553 1455 8 , , , 28553 1455 9 in in IN 28553 1455 10 fact fact NN 28553 1455 11 , , , 28553 1455 12 equivalent equivalent JJ 28553 1455 13 to to IN 28553 1455 14 transposing transpose VBG 28553 1455 15 the the DT 28553 1455 16 brushes brush NNS 28553 1455 17 of of IN 28553 1455 18 the the DT 28553 1455 19 collecting collect VBG 28553 1455 20 rings ring NNS 28553 1455 21 of of IN 28553 1455 22 the the DT 28553 1455 23 alternator alternator NN 28553 1455 24 every every DT 28553 1455 25 time time NN 28553 1455 26 the the DT 28553 1455 27 coil coil NN 28553 1455 28 reaches reach VBZ 28553 1455 29 a a DT 28553 1455 30 zero zero CD 28553 1455 31 position position NN 28553 1455 32 . . . 28553 1456 1 Figs fig NNS 28553 1456 2 . . . 28553 1457 1 71 71 CD 28553 1457 2 and and CC 28553 1457 3 72 72 CD 28553 1457 4 give give VBP 28553 1457 5 end end JJ 28553 1457 6 views view NNS 28553 1457 7 in in IN 28553 1457 8 section section NN 28553 1457 9 of of IN 28553 1457 10 the the DT 28553 1457 11 coil coil NN 28553 1457 12 and and CC 28553 1457 13 the the DT 28553 1457 14 commutator commutator NN 28553 1457 15 , , , 28553 1457 16 with with IN 28553 1457 17 the the DT 28553 1457 18 coil coil NN 28553 1457 19 in in IN 28553 1457 20 the the DT 28553 1457 21 position position NN 28553 1457 22 of of IN 28553 1457 23 minimum minimum JJ 28553 1457 24 and and CC 28553 1457 25 maximum maximum JJ 28553 1457 26 efficiency efficiency NN 28553 1457 27 . . . 28553 1458 1 The the DT 28553 1458 2 arrow arrow NN 28553 1458 3 denotes denote VBZ 28553 1458 4 the the DT 28553 1458 5 direction direction NN 28553 1458 6 of of IN 28553 1458 7 movement movement NN 28553 1458 8 ; ; : 28553 1458 9 the the DT 28553 1458 10 double double JJ 28553 1458 11 dotted dotted JJ 28553 1458 12 lines line NNS 28553 1458 13 the the DT 28553 1458 14 commutator commutator NN 28553 1458 15 end end NN 28553 1458 16 of of IN 28553 1458 17 the the DT 28553 1458 18 revolving revolving JJ 28553 1458 19 coil coil NN 28553 1458 20 . . . 28553 1459 1 [ [ -LRB- 28553 1459 2 Illustration illustration NN 28553 1459 3 : : : 28553 1459 4 FIG FIG NNP 28553 1459 5 . . . 28553 1460 1 70 70 CD 28553 1460 2 . . . 28553 1460 3 ] ] -RRB- 28553 1461 1 PRACTICAL PRACTICAL NNP 28553 1461 2 CONTINUOUS CONTINUOUS NNP 28553 1461 3 - - HYPH 28553 1461 4 CURRENT CURRENT NNP 28553 1461 5 DYNAMOS dynamo NNS 28553 1461 6 . . . 28553 1462 1 The the DT 28553 1462 2 electrical electrical JJ 28553 1462 3 output output NN 28553 1462 4 of of IN 28553 1462 5 our -PRON- PRP$ 28553 1462 6 simple simple JJ 28553 1462 7 dynamo dynamo NN 28553 1462 8 would would MD 28553 1462 9 be be VB 28553 1462 10 increased increase VBN 28553 1462 11 if if IN 28553 1462 12 , , , 28553 1462 13 instead instead RB 28553 1462 14 of of IN 28553 1462 15 a a DT 28553 1462 16 single single JJ 28553 1462 17 turn turn NN 28553 1462 18 of of IN 28553 1462 19 wire wire NN 28553 1462 20 , , , 28553 1462 21 we -PRON- PRP 28553 1462 22 used use VBD 28553 1462 23 a a DT 28553 1462 24 coil coil NN 28553 1462 25 of of IN 28553 1462 26 many many JJ 28553 1462 27 turns turn NNS 28553 1462 28 . . . 28553 1463 1 A a DT 28553 1463 2 further further JJ 28553 1463 3 improvement improvement NN 28553 1463 4 would would MD 28553 1463 5 result result VB 28553 1463 6 from from IN 28553 1463 7 mounting mount VBG 28553 1463 8 on on IN 28553 1463 9 the the DT 28553 1463 10 shaft shaft NN 28553 1463 11 , , , 28553 1463 12 inside inside IN 28553 1463 13 the the DT 28553 1463 14 coil coil NN 28553 1463 15 , , , 28553 1463 16 a a DT 28553 1463 17 core core NN 28553 1463 18 or or CC 28553 1463 19 drum drum NN 28553 1463 20 of of IN 28553 1463 21 iron iron NN 28553 1463 22 , , , 28553 1463 23 to to TO 28553 1463 24 entice entice VB 28553 1463 25 the the DT 28553 1463 26 lines line NNS 28553 1463 27 of of IN 28553 1463 28 force force NN 28553 1463 29 within within IN 28553 1463 30 reach reach NN 28553 1463 31 of of IN 28553 1463 32 the the DT 28553 1463 33 revolving revolving JJ 28553 1463 34 coil coil NN 28553 1463 35 . . . 28553 1464 1 It -PRON- PRP 28553 1464 2 is be VBZ 28553 1464 3 evident evident JJ 28553 1464 4 that that IN 28553 1464 5 any any DT 28553 1464 6 lines line NNS 28553 1464 7 which which WDT 28553 1464 8 pass pass VBP 28553 1464 9 through through IN 28553 1464 10 the the DT 28553 1464 11 air air NN 28553 1464 12 outside outside IN 28553 1464 13 the the DT 28553 1464 14 circle circle NN 28553 1464 15 described describe VBN 28553 1464 16 by by IN 28553 1464 17 the the DT 28553 1464 18 coil coil NN 28553 1464 19 can can MD 28553 1464 20 not not RB 28553 1464 21 be be VB 28553 1464 22 cut cut VBN 28553 1464 23 , , , 28553 1464 24 and and CC 28553 1464 25 are be VBP 28553 1464 26 wasted waste VBN 28553 1464 27 . . . 28553 1465 1 [ [ -LRB- 28553 1465 2 Illustration illustration NN 28553 1465 3 : : : 28553 1465 4 FIG FIG NNP 28553 1465 5 . . . 28553 1466 1 71 71 CD 28553 1466 2 . . . 28553 1466 3 ] ] -RRB- 28553 1467 1 [ [ -LRB- 28553 1467 2 Illustration illustration NN 28553 1467 3 : : : 28553 1467 4 FIG FIG NNP 28553 1467 5 . . . 28553 1468 1 72 72 CD 28553 1468 2 . . . 28553 1468 3 ] ] -RRB- 28553 1469 1 The the DT 28553 1469 2 core core NN 28553 1469 3 is be VBZ 28553 1469 4 not not RB 28553 1469 5 a a DT 28553 1469 6 solid solid JJ 28553 1469 7 mass mass NN 28553 1469 8 of of IN 28553 1469 9 iron iron NN 28553 1469 10 , , , 28553 1469 11 but but CC 28553 1469 12 built build VBD 28553 1469 13 up up IN 28553 1469 14 of of IN 28553 1469 15 a a DT 28553 1469 16 number number NN 28553 1469 17 of of IN 28553 1469 18 very very RB 28553 1469 19 thin thin JJ 28553 1469 20 iron iron NN 28553 1469 21 discs disc NNS 28553 1469 22 threaded thread VBN 28553 1469 23 on on IN 28553 1469 24 the the DT 28553 1469 25 shaft shaft NN 28553 1469 26 and and CC 28553 1469 27 insulated insulate VBN 28553 1469 28 from from IN 28553 1469 29 one one CD 28553 1469 30 another another DT 28553 1469 31 to to TO 28553 1469 32 prevent prevent VB 28553 1469 33 electric electric JJ 28553 1469 34 eddies eddy NNS 28553 1469 35 , , , 28553 1469 36 which which WDT 28553 1469 37 would would MD 28553 1469 38 interfere interfere VB 28553 1469 39 with with IN 28553 1469 40 the the DT 28553 1469 41 induced induce VBN 28553 1469 42 current current NN 28553 1469 43 in in IN 28553 1469 44 the the DT 28553 1469 45 conductor conductor NN 28553 1469 46 . . . 28553 1470 1 [ [ -LRB- 28553 1470 2 18 18 CD 28553 1470 3 ] ] -RRB- 28553 1470 4 Sometimes sometimes RB 28553 1470 5 there there EX 28553 1470 6 are be VBP 28553 1470 7 openings opening NNS 28553 1470 8 through through IN 28553 1470 9 the the DT 28553 1470 10 core core NN 28553 1470 11 from from IN 28553 1470 12 end end NN 28553 1470 13 to to IN 28553 1470 14 end end NN 28553 1470 15 to to TO 28553 1470 16 ventilate ventilate VB 28553 1470 17 and and CC 28553 1470 18 cool cool VB 28553 1470 19 it -PRON- PRP 28553 1470 20 . . . 28553 1471 1 [ [ -LRB- 28553 1471 2 Illustration illustration NN 28553 1471 3 : : : 28553 1471 4 FIG FIG NNP 28553 1471 5 . . . 28553 1472 1 73 73 CD 28553 1472 2 . . . 28553 1472 3 ] ] -RRB- 28553 1473 1 We -PRON- PRP 28553 1473 2 have have VBP 28553 1473 3 already already RB 28553 1473 4 noticed notice VBN 28553 1473 5 that that IN 28553 1473 6 in in IN 28553 1473 7 the the DT 28553 1473 8 case case NN 28553 1473 9 of of IN 28553 1473 10 a a DT 28553 1473 11 single single JJ 28553 1473 12 coil coil NN 28553 1473 13 the the DT 28553 1473 14 current current JJ 28553 1473 15 rises rise NNS 28553 1473 16 and and CC 28553 1473 17 falls fall VBZ 28553 1473 18 in in IN 28553 1473 19 a a DT 28553 1473 20 series series NN 28553 1473 21 of of IN 28553 1473 22 pulsations pulsation NNS 28553 1473 23 . . . 28553 1474 1 Such such PDT 28553 1474 2 a a DT 28553 1474 3 form form NN 28553 1474 4 of of IN 28553 1474 5 armature armature NN 28553 1474 6 would would MD 28553 1474 7 be be VB 28553 1474 8 unsuitable unsuitable JJ 28553 1474 9 for for IN 28553 1474 10 large large JJ 28553 1474 11 dynamos dynamo NNS 28553 1474 12 , , , 28553 1474 13 which which WDT 28553 1474 14 accordingly accordingly RB 28553 1474 15 have have VBP 28553 1474 16 a a DT 28553 1474 17 number number NN 28553 1474 18 of of IN 28553 1474 19 coils coil NNS 28553 1474 20 wound wind VBN 28553 1474 21 over over IN 28553 1474 22 their -PRON- PRP$ 28553 1474 23 drums drum NNS 28553 1474 24 , , , 28553 1474 25 at at IN 28553 1474 26 equal equal JJ 28553 1474 27 distances distance NNS 28553 1474 28 round round IN 28553 1474 29 the the DT 28553 1474 30 circumference circumference NN 28553 1474 31 , , , 28553 1474 32 and and CC 28553 1474 33 a a DT 28553 1474 34 commutator commutator NN 28553 1474 35 divided divide VBN 28553 1474 36 into into IN 28553 1474 37 an an DT 28553 1474 38 equal equal JJ 28553 1474 39 number number NN 28553 1474 40 of of IN 28553 1474 41 segments segment NNS 28553 1474 42 . . . 28553 1475 1 The the DT 28553 1475 2 subject subject NN 28553 1475 3 of of IN 28553 1475 4 drum drum NN 28553 1475 5 winding winding NN 28553 1475 6 is be VBZ 28553 1475 7 too too RB 28553 1475 8 complicated complicated JJ 28553 1475 9 for for IN 28553 1475 10 brief brief JJ 28553 1475 11 treatment treatment NN 28553 1475 12 , , , 28553 1475 13 and and CC 28553 1475 14 we -PRON- PRP 28553 1475 15 must must MD 28553 1475 16 therefore therefore RB 28553 1475 17 be be VB 28553 1475 18 content content JJ 28553 1475 19 with with IN 28553 1475 20 noticing notice VBG 28553 1475 21 that that IN 28553 1475 22 the the DT 28553 1475 23 coils coil NNS 28553 1475 24 are be VBP 28553 1475 25 so so RB 28553 1475 26 connected connected JJ 28553 1475 27 to to IN 28553 1475 28 their -PRON- PRP$ 28553 1475 29 respective respective JJ 28553 1475 30 commutator commutator NN 28553 1475 31 segments segment NNS 28553 1475 32 and and CC 28553 1475 33 to to IN 28553 1475 34 one one CD 28553 1475 35 another another DT 28553 1475 36 that that IN 28553 1475 37 they -PRON- PRP 28553 1475 38 mutually mutually RB 28553 1475 39 assist assist VBP 28553 1475 40 one one CD 28553 1475 41 another another DT 28553 1475 42 . . . 28553 1476 1 A a DT 28553 1476 2 glance glance NN 28553 1476 3 at at IN 28553 1476 4 Fig Fig NNP 28553 1476 5 . . . 28553 1477 1 73 73 CD 28553 1477 2 will will MD 28553 1477 3 help help VB 28553 1477 4 to to TO 28553 1477 5 explain explain VB 28553 1477 6 this this DT 28553 1477 7 . . . 28553 1478 1 Here here RB 28553 1478 2 we -PRON- PRP 28553 1478 3 have have VBP 28553 1478 4 in in IN 28553 1478 5 section section NN 28553 1478 6 a a DT 28553 1478 7 number number NN 28553 1478 8 of of IN 28553 1478 9 conductors conductor NNS 28553 1478 10 on on IN 28553 1478 11 the the DT 28553 1478 12 right right NN 28553 1478 13 of of IN 28553 1478 14 the the DT 28553 1478 15 drum drum NN 28553 1478 16 ( ( -LRB- 28553 1478 17 marked mark VBN 28553 1478 18 with with IN 28553 1478 19 a a DT 28553 1478 20 cross cross NN 28553 1478 21 to to TO 28553 1478 22 show show VB 28553 1478 23 that that IN 28553 1478 24 current current NN 28553 1478 25 is be VBZ 28553 1478 26 moving move VBG 28553 1478 27 , , , 28553 1478 28 as as IN 28553 1478 29 it -PRON- PRP 28553 1478 30 were be VBD 28553 1478 31 , , , 28553 1478 32 into into IN 28553 1478 33 the the DT 28553 1478 34 page page NN 28553 1478 35 ) ) -RRB- 28553 1478 36 , , , 28553 1478 37 connected connect VBN 28553 1478 38 with with IN 28553 1478 39 conductors conductor NNS 28553 1478 40 on on IN 28553 1478 41 the the DT 28553 1478 42 left left NN 28553 1478 43 ( ( -LRB- 28553 1478 44 marked mark VBN 28553 1478 45 with with IN 28553 1478 46 a a DT 28553 1478 47 dot dot NN 28553 1478 48 to to TO 28553 1478 49 signify signify VB 28553 1478 50 current current JJ 28553 1478 51 coming come VBG 28553 1478 52 out out IN 28553 1478 53 of of IN 28553 1478 54 the the DT 28553 1478 55 page page NN 28553 1478 56 ) ) -RRB- 28553 1478 57 . . . 28553 1479 1 If if IN 28553 1479 2 the the DT 28553 1479 3 " " `` 28553 1479 4 crossed crossed JJ 28553 1479 5 " " '' 28553 1479 6 and and CC 28553 1479 7 " " `` 28553 1479 8 dotted dotted JJ 28553 1479 9 " " '' 28553 1479 10 conductors conductor NNS 28553 1479 11 were be VBD 28553 1479 12 respectively respectively RB 28553 1479 13 the the DT 28553 1479 14 " " `` 28553 1479 15 up up NN 28553 1479 16 " " '' 28553 1479 17 and and CC 28553 1479 18 " " `` 28553 1479 19 down down RB 28553 1479 20 " " '' 28553 1479 21 turns turn VBZ 28553 1479 22 of of IN 28553 1479 23 a a DT 28553 1479 24 single single JJ 28553 1479 25 coil coil NN 28553 1479 26 terminating terminate VBG 28553 1479 27 in in IN 28553 1479 28 a a DT 28553 1479 29 simple simple JJ 28553 1479 30 split split NN 28553 1479 31 commutator commutator NN 28553 1479 32 ( ( -LRB- 28553 1479 33 Fig fig NN 28553 1479 34 . . . 28553 1480 1 69 69 CD 28553 1480 2 ) ) -RRB- 28553 1480 3 , , , 28553 1480 4 when when WRB 28553 1480 5 the the DT 28553 1480 6 coil coil NN 28553 1480 7 had have VBD 28553 1480 8 been be VBN 28553 1480 9 revolved revolve VBN 28553 1480 10 through through IN 28553 1480 11 an an DT 28553 1480 12 angle angle NN 28553 1480 13 of of IN 28553 1480 14 90 90 CD 28553 1480 15 ° ° NNS 28553 1480 16 some some DT 28553 1480 17 of of IN 28553 1480 18 the the DT 28553 1480 19 up up NN 28553 1480 20 turns turn NNS 28553 1480 21 would would MD 28553 1480 22 be be VB 28553 1480 23 ascending ascend VBG 28553 1480 24 and and CC 28553 1480 25 some some DT 28553 1480 26 descending descending NN 28553 1480 27 , , , 28553 1480 28 so so IN 28553 1480 29 that that IN 28553 1480 30 conflicting conflict VBG 28553 1480 31 currents current NNS 28553 1480 32 would would MD 28553 1480 33 arise arise VB 28553 1480 34 . . . 28553 1481 1 Yet yet CC 28553 1481 2 we -PRON- PRP 28553 1481 3 want want VBP 28553 1481 4 to to TO 28553 1481 5 utilize utilize VB 28553 1481 6 the the DT 28553 1481 7 whole whole JJ 28553 1481 8 surface surface NN 28553 1481 9 of of IN 28553 1481 10 the the DT 28553 1481 11 drum drum NN 28553 1481 12 ; ; : 28553 1481 13 and and CC 28553 1481 14 by by IN 28553 1481 15 winding wind VBG 28553 1481 16 a a DT 28553 1481 17 number number NN 28553 1481 18 of of IN 28553 1481 19 coils coil NNS 28553 1481 20 in in IN 28553 1481 21 the the DT 28553 1481 22 manner manner NN 28553 1481 23 hinted hint VBN 28553 1481 24 at at IN 28553 1481 25 , , , 28553 1481 26 each each DT 28553 1481 27 coil coil NN 28553 1481 28 , , , 28553 1481 29 as as IN 28553 1481 30 it -PRON- PRP 28553 1481 31 passes pass VBZ 28553 1481 32 the the DT 28553 1481 33 zero zero CD 28553 1481 34 point point NN 28553 1481 35 , , , 28553 1481 36 top top NN 28553 1481 37 or or CC 28553 1481 38 bottom bottom NN 28553 1481 39 , , , 28553 1481 40 at at IN 28553 1481 41 once once RB 28553 1481 42 generates generate VBZ 28553 1481 43 a a DT 28553 1481 44 current current NN 28553 1481 45 in in IN 28553 1481 46 the the DT 28553 1481 47 desired desire VBN 28553 1481 48 direction direction NN 28553 1481 49 and and CC 28553 1481 50 reinforces reinforce NNS 28553 1481 51 that that IN 28553 1481 52 in in IN 28553 1481 53 all all PDT 28553 1481 54 the the DT 28553 1481 55 other other JJ 28553 1481 56 turns turn NNS 28553 1481 57 of of IN 28553 1481 58 its -PRON- PRP$ 28553 1481 59 own own JJ 28553 1481 60 and and CC 28553 1481 61 of of IN 28553 1481 62 other other JJ 28553 1481 63 coils coil NNS 28553 1481 64 on on IN 28553 1481 65 the the DT 28553 1481 66 same same JJ 28553 1481 67 side side NN 28553 1481 68 of of IN 28553 1481 69 a a DT 28553 1481 70 line line NN 28553 1481 71 drawn draw VBN 28553 1481 72 vertically vertically RB 28553 1481 73 through through IN 28553 1481 74 the the DT 28553 1481 75 centre centre NN 28553 1481 76 . . . 28553 1482 1 There there EX 28553 1482 2 is be VBZ 28553 1482 3 thus thus RB 28553 1482 4 practically practically RB 28553 1482 5 no no DT 28553 1482 6 fluctuation fluctuation NN 28553 1482 7 in in IN 28553 1482 8 the the DT 28553 1482 9 pressure pressure NN 28553 1482 10 of of IN 28553 1482 11 the the DT 28553 1482 12 current current NN 28553 1482 13 generated generate VBN 28553 1482 14 . . . 28553 1483 1 The the DT 28553 1483 2 action action NN 28553 1483 3 of of IN 28553 1483 4 single single JJ 28553 1483 5 and and CC 28553 1483 6 multiple multiple JJ 28553 1483 7 coil coil NN 28553 1483 8 windings winding NNS 28553 1483 9 may may MD 28553 1483 10 be be VB 28553 1483 11 compared compare VBN 28553 1483 12 to to IN 28553 1483 13 that that DT 28553 1483 14 of of IN 28553 1483 15 single single JJ 28553 1483 16 and and CC 28553 1483 17 multiple multiple JJ 28553 1483 18 pumps pump NNS 28553 1483 19 . . . 28553 1484 1 Water water NN 28553 1484 2 is be VBZ 28553 1484 3 ejected eject VBN 28553 1484 4 by by IN 28553 1484 5 a a DT 28553 1484 6 single single JJ 28553 1484 7 pump pump NN 28553 1484 8 in in IN 28553 1484 9 gulps gulps NN 28553 1484 10 ; ; : 28553 1484 11 whereas whereas IN 28553 1484 12 the the DT 28553 1484 13 flow flow NN 28553 1484 14 from from IN 28553 1484 15 a a DT 28553 1484 16 pipe pipe NN 28553 1484 17 fed feed VBN 28553 1484 18 by by IN 28553 1484 19 several several JJ 28553 1484 20 pumps pump NNS 28553 1484 21 arranged arrange VBD 28553 1484 22 to to TO 28553 1484 23 deliver deliver VB 28553 1484 24 consecutively consecutively RB 28553 1484 25 is be VBZ 28553 1484 26 much much RB 28553 1484 27 more more RBR 28553 1484 28 constant constant JJ 28553 1484 29 . . . 28553 1485 1 MULTIPOLAR MULTIPOLAR NNP 28553 1485 2 DYNAMOS DYNAMOS NNP 28553 1485 3 . . . 28553 1486 1 Hitherto Hitherto NNP 28553 1486 2 we -PRON- PRP 28553 1486 3 have have VBP 28553 1486 4 considered consider VBN 28553 1486 5 the the DT 28553 1486 6 magnetic magnetic JJ 28553 1486 7 field field NN 28553 1486 8 produced produce VBN 28553 1486 9 by by IN 28553 1486 10 one one CD 28553 1486 11 bi bi JJ 28553 1486 12 - - JJ 28553 1486 13 polar polar JJ 28553 1486 14 magnet magnet NN 28553 1486 15 only only RB 28553 1486 16 . . . 28553 1487 1 Large large JJ 28553 1487 2 dynamos dynamo NNS 28553 1487 3 have have VBP 28553 1487 4 four four CD 28553 1487 5 , , , 28553 1487 6 six six CD 28553 1487 7 , , , 28553 1487 8 eight eight CD 28553 1487 9 , , , 28553 1487 10 or or CC 28553 1487 11 more more JJR 28553 1487 12 field field NN 28553 1487 13 magnets magnet NNS 28553 1487 14 set set VBN 28553 1487 15 inside inside IN 28553 1487 16 a a DT 28553 1487 17 casing casing NN 28553 1487 18 , , , 28553 1487 19 from from IN 28553 1487 20 which which WDT 28553 1487 21 their -PRON- PRP$ 28553 1487 22 cores core NNS 28553 1487 23 project project VBP 28553 1487 24 towards towards IN 28553 1487 25 the the DT 28553 1487 26 armature armature NN 28553 1487 27 so so IN 28553 1487 28 as as IN 28553 1487 29 almost almost RB 28553 1487 30 to to TO 28553 1487 31 touch touch VB 28553 1487 32 it -PRON- PRP 28553 1487 33 ( ( -LRB- 28553 1487 34 Fig fig NN 28553 1487 35 . . . 28553 1488 1 74 74 CD 28553 1488 2 ) ) -RRB- 28553 1488 3 . . . 28553 1489 1 The the DT 28553 1489 2 magnet magnet NN 28553 1489 3 coils coil NNS 28553 1489 4 are be VBP 28553 1489 5 wound wind VBN 28553 1489 6 to to TO 28553 1489 7 give give VB 28553 1489 8 N. N. NNP 28553 1489 9 and and CC 28553 1489 10 S. S. NNP 28553 1489 11 poles pole NNS 28553 1489 12 alternately alternately RB 28553 1489 13 at at IN 28553 1489 14 their -PRON- PRP$ 28553 1489 15 armature armature NN 28553 1489 16 ends end VBZ 28553 1489 17 round round IN 28553 1489 18 the the DT 28553 1489 19 field field NN 28553 1489 20 ; ; : 28553 1489 21 and and CC 28553 1489 22 the the DT 28553 1489 23 lines line NNS 28553 1489 24 of of IN 28553 1489 25 force force NN 28553 1489 26 from from IN 28553 1489 27 each each DT 28553 1489 28 N. N. NNP 28553 1489 29 pole pole NN 28553 1489 30 stream stream NN 28553 1489 31 each each DT 28553 1489 32 way way NN 28553 1489 33 to to IN 28553 1489 34 the the DT 28553 1489 35 two two CD 28553 1489 36 adjacent adjacent JJ 28553 1489 37 S. S. NNP 28553 1489 38 poles pole NNS 28553 1489 39 across across IN 28553 1489 40 the the DT 28553 1489 41 path path NN 28553 1489 42 of of IN 28553 1489 43 the the DT 28553 1489 44 armature armature NN 28553 1489 45 coils coil NNS 28553 1489 46 . . . 28553 1490 1 In in IN 28553 1490 2 dynamos dynamo NNS 28553 1490 3 of of IN 28553 1490 4 this this DT 28553 1490 5 kind kind NN 28553 1490 6 several several JJ 28553 1490 7 pairs pair NNS 28553 1490 8 of of IN 28553 1490 9 collecting collect VBG 28553 1490 10 brushes brush NNS 28553 1490 11 pick pick VB 28553 1490 12 current current JJ 28553 1490 13 off off RP 28553 1490 14 the the DT 28553 1490 15 commutator commutator NN 28553 1490 16 at at IN 28553 1490 17 equidistant equidistant NN 28553 1490 18 points point NNS 28553 1490 19 on on IN 28553 1490 20 its -PRON- PRP$ 28553 1490 21 circumference circumference NN 28553 1490 22 . . . 28553 1491 1 [ [ -LRB- 28553 1491 2 Illustration illustration NN 28553 1491 3 : : : 28553 1491 4 FIG FIG NNP 28553 1491 5 . . . 28553 1492 1 74.--A 74.--A NNP 28553 1492 2 Holmes Holmes NNP 28553 1492 3 continuous continuous JJ 28553 1492 4 current current JJ 28553 1492 5 dynamo dynamo NN 28553 1492 6 : : : 28553 1492 7 A a NN 28553 1492 8 , , , 28553 1492 9 armature armature NN 28553 1492 10 ; ; : 28553 1492 11 C c NN 28553 1492 12 , , , 28553 1492 13 commutator commutator NN 28553 1492 14 ; ; : 28553 1492 15 M m NN 28553 1492 16 , , , 28553 1492 17 field field NN 28553 1492 18 magnets magnet NNS 28553 1492 19 . . . 28553 1492 20 ] ] -RRB- 28553 1493 1 EXCITING EXCITING NNP 28553 1493 2 THE the DT 28553 1493 3 FIELD FIELD NNP 28553 1493 4 MAGNETS magnet NNS 28553 1493 5 . . . 28553 1494 1 Until until IN 28553 1494 2 current current JJ 28553 1494 3 passes pass VBZ 28553 1494 4 through through IN 28553 1494 5 the the DT 28553 1494 6 field field NN 28553 1494 7 magnet magnet NN 28553 1494 8 coils coil NNS 28553 1494 9 , , , 28553 1494 10 no no DT 28553 1494 11 magnetic magnetic JJ 28553 1494 12 field field NN 28553 1494 13 can can MD 28553 1494 14 be be VB 28553 1494 15 created create VBN 28553 1494 16 . . . 28553 1495 1 How how WRB 28553 1495 2 are be VBP 28553 1495 3 the the DT 28553 1495 4 coils coil NNS 28553 1495 5 supplied supply VBN 28553 1495 6 with with IN 28553 1495 7 current current NN 28553 1495 8 ? ? . 28553 1496 1 A a DT 28553 1496 2 dynamo dynamo NN 28553 1496 3 , , , 28553 1496 4 starting start VBG 28553 1496 5 for for IN 28553 1496 6 the the DT 28553 1496 7 first first JJ 28553 1496 8 time time NN 28553 1496 9 , , , 28553 1496 10 is be VBZ 28553 1496 11 excited excite VBN 28553 1496 12 by by IN 28553 1496 13 a a DT 28553 1496 14 current current NN 28553 1496 15 from from IN 28553 1496 16 an an DT 28553 1496 17 outside outside JJ 28553 1496 18 source source NN 28553 1496 19 ; ; : 28553 1496 20 but but CC 28553 1496 21 when when WRB 28553 1496 22 it -PRON- PRP 28553 1496 23 has have VBZ 28553 1496 24 once once RB 28553 1496 25 begun begin VBN 28553 1496 26 to to TO 28553 1496 27 generate generate VB 28553 1496 28 current current JJ 28553 1496 29 it -PRON- PRP 28553 1496 30 feeds feed VBZ 28553 1496 31 its -PRON- PRP$ 28553 1496 32 magnets magnet NNS 28553 1496 33 itself -PRON- PRP 28553 1496 34 , , , 28553 1496 35 and and CC 28553 1496 36 ever ever RB 28553 1496 37 afterwards afterwards RB 28553 1496 38 will will MD 28553 1496 39 be be VB 28553 1496 40 self self NN 28553 1496 41 - - HYPH 28553 1496 42 exciting,[19 exciting,[19 IN 28553 1496 43 ] ] -RRB- 28553 1496 44 owing owe VBG 28553 1496 45 to to IN 28553 1496 46 the the DT 28553 1496 47 residual residual JJ 28553 1496 48 magnetism magnetism NN 28553 1496 49 left leave VBN 28553 1496 50 in in IN 28553 1496 51 the the DT 28553 1496 52 magnet magnet NN 28553 1496 53 cores core NNS 28553 1496 54 . . . 28553 1497 1 [ [ -LRB- 28553 1497 2 Illustration illustration NN 28553 1497 3 : : : 28553 1497 4 FIG FIG NNP 28553 1497 5 . . . 28553 1498 1 75.--Partly 75.--partly RB 28553 1498 2 finished finish VBN 28553 1498 3 commutator commutator NN 28553 1498 4 . . . 28553 1498 5 ] ] -RRB- 28553 1499 1 Look look VB 28553 1499 2 carefully carefully RB 28553 1499 3 at at IN 28553 1499 4 Figs fig NNS 28553 1499 5 . . . 28553 1500 1 77 77 CD 28553 1500 2 and and CC 28553 1500 3 78 78 CD 28553 1500 4 . . . 28553 1501 1 In in IN 28553 1501 2 the the DT 28553 1501 3 first first JJ 28553 1501 4 of of IN 28553 1501 5 these these DT 28553 1501 6 you -PRON- PRP 28553 1501 7 will will MD 28553 1501 8 observe observe VB 28553 1501 9 that that DT 28553 1501 10 part part NN 28553 1501 11 of of IN 28553 1501 12 the the DT 28553 1501 13 wire wire NN 28553 1501 14 forming form VBG 28553 1501 15 the the DT 28553 1501 16 external external JJ 28553 1501 17 circuit circuit NN 28553 1501 18 is be VBZ 28553 1501 19 wound wind VBN 28553 1501 20 round round IN 28553 1501 21 the the DT 28553 1501 22 arms arm NNS 28553 1501 23 of of IN 28553 1501 24 the the DT 28553 1501 25 field field NN 28553 1501 26 magnet magnet NN 28553 1501 27 . . . 28553 1502 1 This this DT 28553 1502 2 is be VBZ 28553 1502 3 called call VBN 28553 1502 4 a a DT 28553 1502 5 _ _ NNP 28553 1502 6 series series NN 28553 1502 7 _ _ NNP 28553 1502 8 winding winding NN 28553 1502 9 . . . 28553 1503 1 In in IN 28553 1503 2 this this DT 28553 1503 3 case case NN 28553 1503 4 _ _ NNP 28553 1503 5 all all DT 28553 1503 6 _ _ NNP 28553 1503 7 the the DT 28553 1503 8 current current NN 28553 1503 9 generated generate VBN 28553 1503 10 helps help VBZ 28553 1503 11 to to TO 28553 1503 12 excite excite VB 28553 1503 13 the the DT 28553 1503 14 dynamo dynamo NN 28553 1503 15 . . . 28553 1504 1 At at IN 28553 1504 2 the the DT 28553 1504 3 start start NN 28553 1504 4 the the DT 28553 1504 5 residual residual JJ 28553 1504 6 magnetism magnetism NN 28553 1504 7 of of IN 28553 1504 8 the the DT 28553 1504 9 magnet magnet NN 28553 1504 10 cores core NNS 28553 1504 11 gives give VBZ 28553 1504 12 a a DT 28553 1504 13 weak weak JJ 28553 1504 14 field field NN 28553 1504 15 . . . 28553 1505 1 The the DT 28553 1505 2 armature armature NN 28553 1505 3 coils coil NNS 28553 1505 4 cut cut VBD 28553 1505 5 this this DT 28553 1505 6 and and CC 28553 1505 7 pass pass VB 28553 1505 8 a a DT 28553 1505 9 current current NN 28553 1505 10 through through IN 28553 1505 11 the the DT 28553 1505 12 circuit circuit NN 28553 1505 13 . . . 28553 1506 1 The the DT 28553 1506 2 magnets magnet NNS 28553 1506 3 are be VBP 28553 1506 4 further further RB 28553 1506 5 excited excited JJ 28553 1506 6 , , , 28553 1506 7 and and CC 28553 1506 8 the the DT 28553 1506 9 field field NN 28553 1506 10 becomes become VBZ 28553 1506 11 stronger strong JJR 28553 1506 12 ; ; : 28553 1506 13 and and CC 28553 1506 14 so so RB 28553 1506 15 on on RB 28553 1506 16 till till IN 28553 1506 17 the the DT 28553 1506 18 dynamo dynamo NN 28553 1506 19 is be VBZ 28553 1506 20 developing develop VBG 28553 1506 21 full full JJ 28553 1506 22 power power NN 28553 1506 23 . . . 28553 1507 1 Series Series NNP 28553 1507 2 winding winding NN 28553 1507 3 is be VBZ 28553 1507 4 used use VBN 28553 1507 5 where where WRB 28553 1507 6 the the DT 28553 1507 7 current current NN 28553 1507 8 in in IN 28553 1507 9 the the DT 28553 1507 10 external external JJ 28553 1507 11 circuit circuit NN 28553 1507 12 is be VBZ 28553 1507 13 required require VBN 28553 1507 14 to to TO 28553 1507 15 be be VB 28553 1507 16 very very RB 28553 1507 17 constant constant JJ 28553 1507 18 . . . 28553 1508 1 [ [ -LRB- 28553 1508 2 Illustration illustration NN 28553 1508 3 : : : 28553 1508 4 FIG FIG NNP 28553 1508 5 . . . 28553 1509 1 76.--The 76.--the CD 28553 1509 2 brushes brush NNS 28553 1509 3 of of IN 28553 1509 4 a a DT 28553 1509 5 Holmes Holmes NNP 28553 1509 6 dynamo dynamo NN 28553 1509 7 . . . 28553 1509 8 ] ] -RRB- 28553 1510 1 Fig fig NN 28553 1510 2 . . . 28553 1511 1 78 78 CD 28553 1511 2 shows show VBZ 28553 1511 3 another another DT 28553 1511 4 method method NN 28553 1511 5 of of IN 28553 1511 6 winding winding NN 28553 1511 7 -- -- : 28553 1511 8 the the DT 28553 1511 9 _ _ NNP 28553 1511 10 shunt shunt NN 28553 1511 11 _ _ NNP 28553 1511 12 . . . 28553 1512 1 Most Most JJS 28553 1512 2 of of IN 28553 1512 3 the the DT 28553 1512 4 current current JJ 28553 1512 5 generated generate VBN 28553 1512 6 passes pass VBZ 28553 1512 7 through through IN 28553 1512 8 the the DT 28553 1512 9 external external NNP 28553 1512 10 circuit circuit NN 28553 1512 11 2 2 CD 28553 1512 12 , , , 28553 1512 13 2 2 CD 28553 1512 14 ; ; : 28553 1512 15 but but CC 28553 1512 16 a a DT 28553 1512 17 part part NN 28553 1512 18 is be VBZ 28553 1512 19 switched switch VBN 28553 1512 20 through through IN 28553 1512 21 a a DT 28553 1512 22 separate separate JJ 28553 1512 23 winding winding NN 28553 1512 24 for for IN 28553 1512 25 the the DT 28553 1512 26 magnets magnet NNS 28553 1512 27 , , , 28553 1512 28 denoted denote VBN 28553 1512 29 by by IN 28553 1512 30 the the DT 28553 1512 31 fine fine JJ 28553 1512 32 wire wire NN 28553 1512 33 1 1 CD 28553 1512 34 , , , 28553 1512 35 1 1 CD 28553 1512 36 . . . 28553 1513 1 Here here RB 28553 1513 2 the the DT 28553 1513 3 strength strength NN 28553 1513 4 of of IN 28553 1513 5 the the DT 28553 1513 6 magnetism magnetism NN 28553 1513 7 does do VBZ 28553 1513 8 not not RB 28553 1513 9 vary vary VB 28553 1513 10 directly directly RB 28553 1513 11 with with IN 28553 1513 12 the the DT 28553 1513 13 current current NN 28553 1513 14 , , , 28553 1513 15 as as IN 28553 1513 16 only only RB 28553 1513 17 a a DT 28553 1513 18 small small JJ 28553 1513 19 part part NN 28553 1513 20 of of IN 28553 1513 21 the the DT 28553 1513 22 current current NN 28553 1513 23 serves serve VBZ 28553 1513 24 the the DT 28553 1513 25 magnets magnet NNS 28553 1513 26 . . . 28553 1514 1 The the DT 28553 1514 2 shunt shunt NN 28553 1514 3 winding winding NN 28553 1514 4 is be VBZ 28553 1514 5 therefore therefore RB 28553 1514 6 used use VBN 28553 1514 7 where where WRB 28553 1514 8 the the DT 28553 1514 9 voltage voltage NN 28553 1514 10 ( ( -LRB- 28553 1514 11 or or CC 28553 1514 12 pressure pressure NN 28553 1514 13 ) ) -RRB- 28553 1514 14 must must MD 28553 1514 15 be be VB 28553 1514 16 constant constant JJ 28553 1514 17 . . . 28553 1515 1 [ [ -LRB- 28553 1515 2 Illustration illustration NN 28553 1515 3 : : : 28553 1515 4 FIG FIG NNP 28553 1515 5 . . . 28553 1516 1 77.--Sketch 77.--sketch LS 28553 1516 2 showing show VBG 28553 1516 3 a a DT 28553 1516 4 " " `` 28553 1516 5 series series NN 28553 1516 6 " " '' 28553 1516 7 winding winding NN 28553 1516 8 . . . 28553 1516 9 ] ] -RRB- 28553 1517 1 [ [ -LRB- 28553 1517 2 Illustration illustration NN 28553 1517 3 : : : 28553 1517 4 FIG FIG NNP 28553 1517 5 . . . 28553 1518 1 78.--"Shunt 78.--"shunt NN 28553 1518 2 " " `` 28553 1518 3 winding winding NN 28553 1518 4 . . . 28553 1518 5 ] ] -RRB- 28553 1519 1 A a DT 28553 1519 2 third third JJ 28553 1519 3 method method NN 28553 1519 4 is be VBZ 28553 1519 5 a a DT 28553 1519 6 combination combination NN 28553 1519 7 of of IN 28553 1519 8 the the DT 28553 1519 9 two two CD 28553 1519 10 already already RB 28553 1519 11 named name VBN 28553 1519 12 . . . 28553 1520 1 A a DT 28553 1520 2 winding winding NN 28553 1520 3 of of IN 28553 1520 4 fine fine JJ 28553 1520 5 wire wire NN 28553 1520 6 passes pass VBZ 28553 1520 7 from from IN 28553 1520 8 brush brush NN 28553 1520 9 to to IN 28553 1520 10 brush brush NN 28553 1520 11 round round IN 28553 1520 12 the the DT 28553 1520 13 magnets magnet NNS 28553 1520 14 ; ; : 28553 1520 15 and and CC 28553 1520 16 there there EX 28553 1520 17 is be VBZ 28553 1520 18 also also RB 28553 1520 19 a a DT 28553 1520 20 series series NN 28553 1520 21 winding winding NN 28553 1520 22 as as IN 28553 1520 23 in in IN 28553 1520 24 Fig Fig NNP 28553 1520 25 . . . 28553 1521 1 77 77 CD 28553 1521 2 . . . 28553 1522 1 This this DT 28553 1522 2 compound compound NN 28553 1522 3 method method NN 28553 1522 4 is be VBZ 28553 1522 5 adapted adapt VBN 28553 1522 6 more more RBR 28553 1522 7 especially especially RB 28553 1522 8 for for IN 28553 1522 9 electric electric JJ 28553 1522 10 traction traction NN 28553 1522 11 . . . 28553 1523 1 ALTERNATING alternating NN 28553 1523 2 DYNAMOS dynamo NNS 28553 1523 3 . . . 28553 1524 1 These these DT 28553 1524 2 have have VBP 28553 1524 3 their -PRON- PRP$ 28553 1524 4 field field NN 28553 1524 5 magnets magnet NNS 28553 1524 6 excited excite VBN 28553 1524 7 by by IN 28553 1524 8 a a DT 28553 1524 9 separate separate JJ 28553 1524 10 continuous continuous JJ 28553 1524 11 current current JJ 28553 1524 12 dynamo dynamo NN 28553 1524 13 of of IN 28553 1524 14 small small JJ 28553 1524 15 size size NN 28553 1524 16 . . . 28553 1525 1 The the DT 28553 1525 2 field field NN 28553 1525 3 magnets magnet NNS 28553 1525 4 usually usually RB 28553 1525 5 revolve revolve VBP 28553 1525 6 inside inside IN 28553 1525 7 a a DT 28553 1525 8 fixed fix VBN 28553 1525 9 armature armature NN 28553 1525 10 ( ( -LRB- 28553 1525 11 the the DT 28553 1525 12 reverse reverse NN 28553 1525 13 of of IN 28553 1525 14 the the DT 28553 1525 15 arrangement arrangement NN 28553 1525 16 in in IN 28553 1525 17 a a DT 28553 1525 18 direct direct JJ 28553 1525 19 - - HYPH 28553 1525 20 current current JJ 28553 1525 21 generator generator NN 28553 1525 22 ) ) -RRB- 28553 1525 23 ; ; : 28553 1525 24 or or CC 28553 1525 25 there there EX 28553 1525 26 may may MD 28553 1525 27 be be VB 28553 1525 28 a a DT 28553 1525 29 fixed fix VBN 28553 1525 30 central central JJ 28553 1525 31 armature armature NN 28553 1525 32 and and CC 28553 1525 33 field field NN 28553 1525 34 magnets magnet NNS 28553 1525 35 revolving revolve VBG 28553 1525 36 outside outside IN 28553 1525 37 it -PRON- PRP 28553 1525 38 . . . 28553 1526 1 This this DT 28553 1526 2 latter latter JJ 28553 1526 3 arrangement arrangement NN 28553 1526 4 is be VBZ 28553 1526 5 found find VBN 28553 1526 6 in in IN 28553 1526 7 the the DT 28553 1526 8 great great JJ 28553 1526 9 power power NN 28553 1526 10 stations station NNS 28553 1526 11 at at IN 28553 1526 12 Niagara Niagara NNP 28553 1526 13 Falls Falls NNP 28553 1526 14 , , , 28553 1526 15 where where WRB 28553 1526 16 the the DT 28553 1526 17 enormous enormous JJ 28553 1526 18 field field NN 28553 1526 19 - - HYPH 28553 1526 20 rings ring NNS 28553 1526 21 are be VBP 28553 1526 22 mounted mount VBN 28553 1526 23 on on IN 28553 1526 24 the the DT 28553 1526 25 top top JJ 28553 1526 26 ends end NNS 28553 1526 27 of of IN 28553 1526 28 vertical vertical JJ 28553 1526 29 shafts shaft NNS 28553 1526 30 , , , 28553 1526 31 driven drive VBN 28553 1526 32 by by IN 28553 1526 33 water water NN 28553 1526 34 - - HYPH 28553 1526 35 turbines turbine NNS 28553 1526 36 at at IN 28553 1526 37 the the DT 28553 1526 38 bottom bottom NN 28553 1526 39 of of IN 28553 1526 40 pits pit NNS 28553 1526 41 178 178 CD 28553 1526 42 feet foot NNS 28553 1526 43 deep deep JJ 28553 1526 44 , , , 28553 1526 45 down down IN 28553 1526 46 which which WDT 28553 1526 47 water water NN 28553 1526 48 is be VBZ 28553 1526 49 led lead VBN 28553 1526 50 to to IN 28553 1526 51 the the DT 28553 1526 52 turbines turbine NNS 28553 1526 53 through through IN 28553 1526 54 great great JJ 28553 1526 55 pipes pipe NNS 28553 1526 56 , , , 28553 1526 57 or or CC 28553 1526 58 penstocks penstock NNS 28553 1526 59 . . . 28553 1527 1 The the DT 28553 1527 2 weight weight NN 28553 1527 3 of of IN 28553 1527 4 each each DT 28553 1527 5 shaft shaft NN 28553 1527 6 and and CC 28553 1527 7 the the DT 28553 1527 8 field field NN 28553 1527 9 - - HYPH 28553 1527 10 ring ring NN 28553 1527 11 attached attach VBD 28553 1527 12 totals total NNS 28553 1527 13 about about RB 28553 1527 14 thirty thirty CD 28553 1527 15 - - HYPH 28553 1527 16 five five CD 28553 1527 17 tons ton NNS 28553 1527 18 . . . 28553 1528 1 This this DT 28553 1528 2 mass mass NN 28553 1528 3 revolves revolve VBZ 28553 1528 4 250 250 CD 28553 1528 5 times time NNS 28553 1528 6 a a DT 28553 1528 7 minute minute NN 28553 1528 8 , , , 28553 1528 9 and and CC 28553 1528 10 5,000 5,000 CD 28553 1528 11 horse horse NN 28553 1528 12 power power NN 28553 1528 13 is be VBZ 28553 1528 14 constantly constantly RB 28553 1528 15 developed develop VBN 28553 1528 16 by by IN 28553 1528 17 the the DT 28553 1528 18 dynamo dynamo NN 28553 1528 19 . . . 28553 1529 1 Similar similar JJ 28553 1529 2 dynamos dynamo NNS 28553 1529 3 of of IN 28553 1529 4 10,000 10,000 CD 28553 1529 5 horse horse NN 28553 1529 6 power power NN 28553 1529 7 each each DT 28553 1529 8 have have VBP 28553 1529 9 been be VBN 28553 1529 10 installed instal VBN 28553 1529 11 on on IN 28553 1529 12 the the DT 28553 1529 13 Canadian canadian JJ 28553 1529 14 side side NN 28553 1529 15 of of IN 28553 1529 16 the the DT 28553 1529 17 Falls Falls NNP 28553 1529 18 . . . 28553 1530 1 [ [ -LRB- 28553 1530 2 Illustration illustration NN 28553 1530 3 : : : 28553 1530 4 FIG FIG NNP 28553 1530 5 . . . 28553 1531 1 79 79 CD 28553 1531 2 . . . 28553 1531 3 ] ] -RRB- 28553 1532 1 TRANSMISSION transmission NN 28553 1532 2 OF of IN 28553 1532 3 POWER power NN 28553 1532 4 . . . 28553 1533 1 Alternating alternate VBG 28553 1533 2 current current NN 28553 1533 3 is be VBZ 28553 1533 4 used use VBN 28553 1533 5 where where WRB 28553 1533 6 power power NN 28553 1533 7 has have VBZ 28553 1533 8 to to TO 28553 1533 9 be be VB 28553 1533 10 transmitted transmit VBN 28553 1533 11 for for IN 28553 1533 12 long long JJ 28553 1533 13 distances distance NNS 28553 1533 14 , , , 28553 1533 15 because because IN 28553 1533 16 such such PDT 28553 1533 17 a a DT 28553 1533 18 current current NN 28553 1533 19 can can MD 28553 1533 20 be be VB 28553 1533 21 intensified intensify VBN 28553 1533 22 , , , 28553 1533 23 or or CC 28553 1533 24 stepped step VBD 28553 1533 25 up up RP 28553 1533 26 , , , 28553 1533 27 by by IN 28553 1533 28 a a DT 28553 1533 29 transformer transformer NN 28553 1533 30 somewhat somewhat RB 28553 1533 31 similar similar JJ 28553 1533 32 in in IN 28553 1533 33 principle principle NN 28553 1533 34 to to IN 28553 1533 35 a a DT 28553 1533 36 Ruhmkorff Ruhmkorff NNP 28553 1533 37 coil coil NN 28553 1533 38 _ _ NNP 28553 1533 39 minus minus NN 28553 1533 40 _ _ NNP 28553 1533 41 a a DT 28553 1533 42 contact contact NN 28553 1533 43 - - HYPH 28553 1533 44 breaker breaker NN 28553 1533 45 ( ( -LRB- 28553 1533 46 see see VB 28553 1533 47 p. p. NN 28553 1533 48 122 122 CD 28553 1533 49 ) ) -RRB- 28553 1533 50 . . . 28553 1534 1 A a DT 28553 1534 2 typical typical JJ 28553 1534 3 example example NN 28553 1534 4 of of IN 28553 1534 5 transformation transformation NN 28553 1534 6 is be VBZ 28553 1534 7 seen see VBN 28553 1534 8 in in IN 28553 1534 9 Fig Fig NNP 28553 1534 10 . . . 28553 1535 1 79 79 CD 28553 1535 2 . . . 28553 1536 1 Alternating alternate VBG 28553 1536 2 current current NN 28553 1536 3 of of IN 28553 1536 4 5,000 5,000 CD 28553 1536 5 volts volt NNS 28553 1536 6 pressure pressure NN 28553 1536 7 is be VBZ 28553 1536 8 produced produce VBN 28553 1536 9 in in IN 28553 1536 10 the the DT 28553 1536 11 generating generating NN 28553 1536 12 station station NN 28553 1536 13 and and CC 28553 1536 14 sent send VBD 28553 1536 15 through through IN 28553 1536 16 conductors conductor NNS 28553 1536 17 to to IN 28553 1536 18 a a DT 28553 1536 19 distant distant JJ 28553 1536 20 station station NN 28553 1536 21 , , , 28553 1536 22 where where WRB 28553 1536 23 a a DT 28553 1536 24 transformer transformer NN 28553 1536 25 , , , 28553 1536 26 B b NN 28553 1536 27 , , , 28553 1536 28 reduces reduce VBZ 28553 1536 29 the the DT 28553 1536 30 pressure pressure NN 28553 1536 31 to to IN 28553 1536 32 500 500 CD 28553 1536 33 volts volt NNS 28553 1536 34 to to TO 28553 1536 35 drive drive VB 28553 1536 36 an an DT 28553 1536 37 alternating alternate VBG 28553 1536 38 motor motor NN 28553 1536 39 , , , 28553 1536 40 C C NNP 28553 1536 41 , , , 28553 1536 42 which which WDT 28553 1536 43 in in IN 28553 1536 44 turn turn NN 28553 1536 45 operates operate VBZ 28553 1536 46 a a DT 28553 1536 47 direct direct JJ 28553 1536 48 current current JJ 28553 1536 49 dynamo dynamo NN 28553 1536 50 , , , 28553 1536 51 D. D. NNP 28553 1536 52 This this DT 28553 1536 53 dynamo dynamo NN 28553 1536 54 has have VBZ 28553 1536 55 its -PRON- PRP$ 28553 1536 56 + + CC 28553 1536 57 terminal terminal NN 28553 1536 58 connected connect VBN 28553 1536 59 with with IN 28553 1536 60 the the DT 28553 1536 61 insulated insulated JJ 28553 1536 62 or or CC 28553 1536 63 " " `` 28553 1536 64 live live JJ 28553 1536 65 " " '' 28553 1536 66 rail rail NN 28553 1536 67 of of IN 28553 1536 68 an an DT 28553 1536 69 electric electric JJ 28553 1536 70 railway railway NN 28553 1536 71 , , , 28553 1536 72 and and CC 28553 1536 73 its -PRON- PRP$ 28553 1536 74 - - HYPH 28553 1536 75 terminal terminal NN 28553 1536 76 with with IN 28553 1536 77 the the DT 28553 1536 78 wheel wheel NN 28553 1536 79 rails rail NNS 28553 1536 80 , , , 28553 1536 81 which which WDT 28553 1536 82 are be VBP 28553 1536 83 metallically metallically RB 28553 1536 84 united united JJ 28553 1536 85 at at IN 28553 1536 86 the the DT 28553 1536 87 joints joint NNS 28553 1536 88 to to TO 28553 1536 89 act act VB 28553 1536 90 as as IN 28553 1536 91 a a DT 28553 1536 92 " " `` 28553 1536 93 return return NN 28553 1536 94 . . . 28553 1536 95 " " '' 28553 1537 1 On on IN 28553 1537 2 its -PRON- PRP$ 28553 1537 3 way way NN 28553 1537 4 from from IN 28553 1537 5 the the DT 28553 1537 6 live live JJ 28553 1537 7 rail rail NN 28553 1537 8 to to IN 28553 1537 9 the the DT 28553 1537 10 return return NN 28553 1537 11 the the DT 28553 1537 12 current current NN 28553 1537 13 passes pass VBZ 28553 1537 14 through through IN 28553 1537 15 the the DT 28553 1537 16 motors motor NNS 28553 1537 17 . . . 28553 1538 1 In in IN 28553 1538 2 the the DT 28553 1538 3 case case NN 28553 1538 4 of of IN 28553 1538 5 trams tram NNS 28553 1538 6 the the DT 28553 1538 7 conductor conductor NN 28553 1538 8 is be VBZ 28553 1538 9 either either CC 28553 1538 10 a a DT 28553 1538 11 cable cable NN 28553 1538 12 carried carry VBN 28553 1538 13 overhead overhead RB 28553 1538 14 on on IN 28553 1538 15 standards standard NNS 28553 1538 16 , , , 28553 1538 17 from from IN 28553 1538 18 which which WDT 28553 1538 19 it -PRON- PRP 28553 1538 20 passes pass VBZ 28553 1538 21 to to IN 28553 1538 22 the the DT 28553 1538 23 motor motor NN 28553 1538 24 through through IN 28553 1538 25 a a DT 28553 1538 26 trolley trolley NN 28553 1538 27 arm arm NN 28553 1538 28 , , , 28553 1538 29 or or CC 28553 1538 30 a a DT 28553 1538 31 rail rail NN 28553 1538 32 laid lay VBN 28553 1538 33 underground underground RB 28553 1538 34 in in IN 28553 1538 35 a a DT 28553 1538 36 conduit conduit NN 28553 1538 37 between between IN 28553 1538 38 the the DT 28553 1538 39 rails rail NNS 28553 1538 40 . . . 28553 1539 1 In in IN 28553 1539 2 the the DT 28553 1539 3 top top NN 28553 1539 4 of of IN 28553 1539 5 the the DT 28553 1539 6 conduit conduit NN 28553 1539 7 is be VBZ 28553 1539 8 a a DT 28553 1539 9 slit slit NN 28553 1539 10 through through IN 28553 1539 11 which which WDT 28553 1539 12 an an DT 28553 1539 13 arm arm NN 28553 1539 14 carrying carry VBG 28553 1539 15 a a DT 28553 1539 16 contact contact NN 28553 1539 17 shoe shoe NN 28553 1539 18 on on IN 28553 1539 19 the the DT 28553 1539 20 end end NN 28553 1539 21 projects project NNS 28553 1539 22 from from IN 28553 1539 23 the the DT 28553 1539 24 car car NN 28553 1539 25 . . . 28553 1540 1 The the DT 28553 1540 2 shoe shoe NN 28553 1540 3 rubs rub VBZ 28553 1540 4 continuously continuously RB 28553 1540 5 on on IN 28553 1540 6 the the DT 28553 1540 7 live live JJ 28553 1540 8 rail rail NN 28553 1540 9 as as IN 28553 1540 10 the the DT 28553 1540 11 car car NN 28553 1540 12 moves move VBZ 28553 1540 13 . . . 28553 1541 1 To to TO 28553 1541 2 return return VB 28553 1541 3 for for IN 28553 1541 4 a a DT 28553 1541 5 moment moment NN 28553 1541 6 to to IN 28553 1541 7 the the DT 28553 1541 8 question question NN 28553 1541 9 of of IN 28553 1541 10 transformation transformation NN 28553 1541 11 of of IN 28553 1541 12 current current NN 28553 1541 13 . . . 28553 1542 1 " " `` 28553 1542 2 Why why WRB 28553 1542 3 , , , 28553 1542 4 " " '' 28553 1542 5 it -PRON- PRP 28553 1542 6 may may MD 28553 1542 7 be be VB 28553 1542 8 asked ask VBN 28553 1542 9 , , , 28553 1542 10 " " `` 28553 1542 11 should should MD 28553 1542 12 we -PRON- PRP 28553 1542 13 not not RB 28553 1542 14 send send VB 28553 1542 15 low low JJ 28553 1542 16 - - HYPH 28553 1542 17 pressure pressure NN 28553 1542 18 _ _ IN 28553 1542 19 direct direct JJ 28553 1542 20 _ _ NNP 28553 1542 21 current current NN 28553 1542 22 to to IN 28553 1542 23 a a DT 28553 1542 24 distant distant JJ 28553 1542 25 station station NN 28553 1542 26 straight straight RB 28553 1542 27 from from IN 28553 1542 28 the the DT 28553 1542 29 dynamo dynamo NN 28553 1542 30 , , , 28553 1542 31 instead instead RB 28553 1542 32 of of IN 28553 1542 33 altering alter VBG 28553 1542 34 its -PRON- PRP$ 28553 1542 35 nature nature NN 28553 1542 36 and and CC 28553 1542 37 pressure pressure NN 28553 1542 38 ? ? . 28553 1543 1 Or or CC 28553 1543 2 , , , 28553 1543 3 at at IN 28553 1543 4 any any DT 28553 1543 5 rate rate NN 28553 1543 6 , , , 28553 1543 7 why why WRB 28553 1543 8 not not RB 28553 1543 9 use use VB 28553 1543 10 high high JJ 28553 1543 11 - - HYPH 28553 1543 12 pressure pressure NN 28553 1543 13 direct direct JJ 28553 1543 14 current current NN 28553 1543 15 , , , 28553 1543 16 and and CC 28553 1543 17 transform transform VB 28553 1543 18 _ _ NNP 28553 1543 19 that that DT 28553 1543 20 _ _ NNP 28553 1543 21 ? ? . 28553 1543 22 " " '' 28553 1544 1 The the DT 28553 1544 2 answer answer NN 28553 1544 3 is be VBZ 28553 1544 4 , , , 28553 1544 5 that that DT 28553 1544 6 to to TO 28553 1544 7 transmit transmit VB 28553 1544 8 a a DT 28553 1544 9 large large JJ 28553 1544 10 amount amount NN 28553 1544 11 of of IN 28553 1544 12 electrical electrical JJ 28553 1544 13 energy energy NN 28553 1544 14 at at IN 28553 1544 15 low low JJ 28553 1544 16 pressure pressure NN 28553 1544 17 ( ( -LRB- 28553 1544 18 or or CC 28553 1544 19 voltage voltage NN 28553 1544 20 ) ) -RRB- 28553 1544 21 would would MD 28553 1544 22 necessitate necessitate VB 28553 1544 23 large large JJ 28553 1544 24 volume volume NN 28553 1544 25 ( ( -LRB- 28553 1544 26 or or CC 28553 1544 27 _ _ NNP 28553 1544 28 amperage amperage NN 28553 1544 29 _ _ NNP 28553 1544 30 ) ) -RRB- 28553 1544 31 and and CC 28553 1544 32 a a DT 28553 1544 33 big big JJ 28553 1544 34 and and CC 28553 1544 35 expensive expensive JJ 28553 1544 36 copper copper NN 28553 1544 37 conductor conductor NN 28553 1544 38 to to TO 28553 1544 39 carry carry VB 28553 1544 40 it -PRON- PRP 28553 1544 41 . . . 28553 1545 1 High high JJ 28553 1545 2 - - HYPH 28553 1545 3 pressure pressure NN 28553 1545 4 direct direct JJ 28553 1545 5 current current NN 28553 1545 6 is be VBZ 28553 1545 7 not not RB 28553 1545 8 easily easily RB 28553 1545 9 generated generate VBN 28553 1545 10 , , , 28553 1545 11 since since IN 28553 1545 12 the the DT 28553 1545 13 sparking sparking NN 28553 1545 14 at at IN 28553 1545 15 the the DT 28553 1545 16 collecting collect VBG 28553 1545 17 brushes brush NNS 28553 1545 18 as as IN 28553 1545 19 they -PRON- PRP 28553 1545 20 pass pass VBP 28553 1545 21 over over RP 28553 1545 22 the the DT 28553 1545 23 commutator commutator NN 28553 1545 24 segments segment NNS 28553 1545 25 gives give VBZ 28553 1545 26 trouble trouble NN 28553 1545 27 . . . 28553 1546 1 So so IN 28553 1546 2 engineers engineer NNS 28553 1546 3 prefer prefer VBP 28553 1546 4 high high JJ 28553 1546 5 - - HYPH 28553 1546 6 pressure pressure NN 28553 1546 7 alternating alternate VBG 28553 1546 8 current current NN 28553 1546 9 , , , 28553 1546 10 which which WDT 28553 1546 11 is be VBZ 28553 1546 12 easily easily RB 28553 1546 13 produced produce VBN 28553 1546 14 , , , 28553 1546 15 and and CC 28553 1546 16 can can MD 28553 1546 17 be be VB 28553 1546 18 sent send VBN 28553 1546 19 through through IN 28553 1546 20 a a DT 28553 1546 21 small small JJ 28553 1546 22 and and CC 28553 1546 23 inexpensive inexpensive JJ 28553 1546 24 conductor conductor NN 28553 1546 25 with with IN 28553 1546 26 little little JJ 28553 1546 27 loss loss NN 28553 1546 28 . . . 28553 1547 1 Also also RB 28553 1547 2 its -PRON- PRP$ 28553 1547 3 voltage voltage NN 28553 1547 4 can can MD 28553 1547 5 be be VB 28553 1547 6 transformed transform VBN 28553 1547 7 by by IN 28553 1547 8 apparatus apparatus NN 28553 1547 9 having have VBG 28553 1547 10 no no DT 28553 1547 11 revolving revolve VBG 28553 1547 12 parts part NNS 28553 1547 13 . . . 28553 1548 1 THE the DT 28553 1548 2 ELECTRIC ELECTRIC NNP 28553 1548 3 MOTOR MOTOR NNP 28553 1548 4 . . . 28553 1549 1 Anybody anybody NN 28553 1549 2 who who WP 28553 1549 3 understands understand VBZ 28553 1549 4 the the DT 28553 1549 5 dynamo dynamo NN 28553 1549 6 will will MD 28553 1549 7 also also RB 28553 1549 8 be be VB 28553 1549 9 able able JJ 28553 1549 10 to to TO 28553 1549 11 understand understand VB 28553 1549 12 the the DT 28553 1549 13 electric electric JJ 28553 1549 14 motor motor NN 28553 1549 15 , , , 28553 1549 16 which which WDT 28553 1549 17 is be VBZ 28553 1549 18 merely merely RB 28553 1549 19 a a DT 28553 1549 20 reversed reversed JJ 28553 1549 21 dynamo dynamo NN 28553 1549 22 . . . 28553 1550 1 Imagine imagine VB 28553 1550 2 in in IN 28553 1550 3 Fig Fig NNP 28553 1550 4 . . . 28553 1551 1 70 70 CD 28553 1551 2 a a DT 28553 1551 3 dynamo dynamo NN 28553 1551 4 taking take VBG 28553 1551 5 the the DT 28553 1551 6 place place NN 28553 1551 7 of of IN 28553 1551 8 the the DT 28553 1551 9 lamp lamp NN 28553 1551 10 and and CC 28553 1551 11 passing pass VBG 28553 1551 12 current current NN 28553 1551 13 through through IN 28553 1551 14 the the DT 28553 1551 15 brushes brush NNS 28553 1551 16 and and CC 28553 1551 17 commutator commutator NN 28553 1551 18 into into IN 28553 1551 19 the the DT 28553 1551 20 coil coil NN 28553 1551 21 _ _ NNP 28553 1551 22 w w NNP 28553 1551 23 x x NNP 28553 1551 24 y y NNP 28553 1551 25 z z NNP 28553 1551 26 _ _ XX 28553 1551 27 . . . 28553 1552 1 Now now RB 28553 1552 2 , , , 28553 1552 3 any any DT 28553 1552 4 coil coil NN 28553 1552 5 through through IN 28553 1552 6 which which WDT 28553 1552 7 current current JJ 28553 1552 8 passes pass NNS 28553 1552 9 becomes become VBZ 28553 1552 10 a a DT 28553 1552 11 magnet magnet NN 28553 1552 12 with with IN 28553 1552 13 N. N. NNP 28553 1552 14 and and CC 28553 1552 15 S. S. NNP 28553 1552 16 poles pole NNS 28553 1552 17 at at IN 28553 1552 18 either either DT 28553 1552 19 end end NN 28553 1552 20 . . . 28553 1553 1 ( ( -LRB- 28553 1553 2 In in IN 28553 1553 3 Fig Fig NNP 28553 1553 4 . . . 28553 1554 1 70 70 CD 28553 1554 2 we -PRON- PRP 28553 1554 3 will will MD 28553 1554 4 assume assume VB 28553 1554 5 that that IN 28553 1554 6 the the DT 28553 1554 7 N. N. NNP 28553 1554 8 pole pole NN 28553 1554 9 is be VBZ 28553 1554 10 below below RB 28553 1554 11 and and CC 28553 1554 12 the the DT 28553 1554 13 S. S. NNP 28553 1554 14 pole pole NN 28553 1554 15 above above IN 28553 1554 16 the the DT 28553 1554 17 coil coil NN 28553 1554 18 . . . 28553 1554 19 ) ) -RRB- 28553 1555 1 The the DT 28553 1555 2 coil coil NN 28553 1555 3 poles pole NNS 28553 1555 4 therefore therefore RB 28553 1555 5 try try VBP 28553 1555 6 to to TO 28553 1555 7 seek seek VB 28553 1555 8 the the DT 28553 1555 9 contrary contrary JJ 28553 1555 10 poles pole NNS 28553 1555 11 of of IN 28553 1555 12 the the DT 28553 1555 13 permanent permanent JJ 28553 1555 14 magnet magnet NN 28553 1555 15 , , , 28553 1555 16 and and CC 28553 1555 17 the the DT 28553 1555 18 coil coil NN 28553 1555 19 revolves revolve VBZ 28553 1555 20 until until IN 28553 1555 21 its -PRON- PRP$ 28553 1555 22 S. S. NNP 28553 1555 23 pole pole NN 28553 1555 24 faces face VBZ 28553 1555 25 the the DT 28553 1555 26 N. n. NN 28553 1555 27 of of IN 28553 1555 28 the the DT 28553 1555 29 magnet magnet NN 28553 1555 30 , , , 28553 1555 31 and and CC 28553 1555 32 _ _ NNP 28553 1555 33 vice vice NNP 28553 1555 34 versâ versâ NNP 28553 1555 35 _ _ NNP 28553 1555 36 . . . 28553 1556 1 The the DT 28553 1556 2 lines line NNS 28553 1556 3 of of IN 28553 1556 4 force force NN 28553 1556 5 of of IN 28553 1556 6 the the DT 28553 1556 7 coil coil NN 28553 1556 8 and and CC 28553 1556 9 the the DT 28553 1556 10 magnet magnet NN 28553 1556 11 are be VBP 28553 1556 12 now now RB 28553 1556 13 parallel parallel JJ 28553 1556 14 . . . 28553 1557 1 But but CC 28553 1557 2 the the DT 28553 1557 3 momentum momentum NN 28553 1557 4 of of IN 28553 1557 5 revolution revolution NN 28553 1557 6 carries carry VBZ 28553 1557 7 the the DT 28553 1557 8 coil coil NN 28553 1557 9 on on RP 28553 1557 10 , , , 28553 1557 11 and and CC 28553 1557 12 suddenly suddenly RB 28553 1557 13 the the DT 28553 1557 14 commutator commutator NN 28553 1557 15 reverses reverse VBZ 28553 1557 16 its -PRON- PRP$ 28553 1557 17 polarity polarity NN 28553 1557 18 , , , 28553 1557 19 and and CC 28553 1557 20 a a DT 28553 1557 21 further further JJ 28553 1557 22 half half JJ 28553 1557 23 - - HYPH 28553 1557 24 revolution revolution NN 28553 1557 25 takes take VBZ 28553 1557 26 place place NN 28553 1557 27 . . . 28553 1558 1 Then then RB 28553 1558 2 comes come VBZ 28553 1558 3 a a DT 28553 1558 4 further further JJ 28553 1558 5 reversal reversal NN 28553 1558 6 , , , 28553 1558 7 and and CC 28553 1558 8 so so RB 28553 1558 9 on on IN 28553 1558 10 _ _ NNP 28553 1558 11 ad ad NN 28553 1558 12 infinitum infinitum IN 28553 1558 13 _ _ NNP 28553 1558 14 . . . 28553 1559 1 The the DT 28553 1559 2 rotation rotation NN 28553 1559 3 of of IN 28553 1559 4 the the DT 28553 1559 5 motor motor NN 28553 1559 6 is be VBZ 28553 1559 7 therefore therefore RB 28553 1559 8 merely merely RB 28553 1559 9 a a DT 28553 1559 10 question question NN 28553 1559 11 of of IN 28553 1559 12 repulsion repulsion NN 28553 1559 13 and and CC 28553 1559 14 attraction attraction NN 28553 1559 15 of of IN 28553 1559 16 like like UH 28553 1559 17 and and CC 28553 1559 18 unlike unlike IN 28553 1559 19 poles pole NNS 28553 1559 20 . . . 28553 1560 1 An an DT 28553 1560 2 ordinary ordinary JJ 28553 1560 3 compass compass NN 28553 1560 4 needle needle NN 28553 1560 5 may may MD 28553 1560 6 be be VB 28553 1560 7 converted convert VBN 28553 1560 8 into into IN 28553 1560 9 a a DT 28553 1560 10 tiny tiny JJ 28553 1560 11 motor motor NN 28553 1560 12 by by IN 28553 1560 13 presenting present VBG 28553 1560 14 the the DT 28553 1560 15 N. N. NNP 28553 1560 16 and and CC 28553 1560 17 S. S. NNP 28553 1560 18 poles pole NNS 28553 1560 19 of of IN 28553 1560 20 a a DT 28553 1560 21 magnet magnet NN 28553 1560 22 to to IN 28553 1560 23 its -PRON- PRP$ 28553 1560 24 S. S. NNP 28553 1560 25 and and CC 28553 1560 26 N. N. NNP 28553 1560 27 poles pole NNS 28553 1560 28 alternately alternately RB 28553 1560 29 every every DT 28553 1560 30 half half JJ 28553 1560 31 - - HYPH 28553 1560 32 revolution revolution NN 28553 1560 33 . . . 28553 1561 1 In in IN 28553 1561 2 construction construction NN 28553 1561 3 and and CC 28553 1561 4 winding wind VBG 28553 1561 5 a a DT 28553 1561 6 motor motor NN 28553 1561 7 is be VBZ 28553 1561 8 practically practically RB 28553 1561 9 the the DT 28553 1561 10 same same JJ 28553 1561 11 as as IN 28553 1561 12 a a DT 28553 1561 13 dynamo dynamo NN 28553 1561 14 . . . 28553 1562 1 In in IN 28553 1562 2 fact fact NN 28553 1562 3 , , , 28553 1562 4 either either CC 28553 1562 5 machine machine NN 28553 1562 6 can can MD 28553 1562 7 perform perform VB 28553 1562 8 either either DT 28553 1562 9 function function NN 28553 1562 10 , , , 28553 1562 11 though though IN 28553 1562 12 perhaps perhaps RB 28553 1562 13 not not RB 28553 1562 14 equally equally RB 28553 1562 15 well well RB 28553 1562 16 adapted adapt VBN 28553 1562 17 for for IN 28553 1562 18 both both DT 28553 1562 19 . . . 28553 1563 1 Motors motor NNS 28553 1563 2 may may MD 28553 1563 3 be be VB 28553 1563 4 run run VBN 28553 1563 5 with with IN 28553 1563 6 direct direct JJ 28553 1563 7 or or CC 28553 1563 8 alternating alternate VBG 28553 1563 9 current current NN 28553 1563 10 , , , 28553 1563 11 according accord VBG 28553 1563 12 to to IN 28553 1563 13 their -PRON- PRP$ 28553 1563 14 construction construction NN 28553 1563 15 . . . 28553 1564 1 On on IN 28553 1564 2 electric electric JJ 28553 1564 3 cars car NNS 28553 1564 4 the the DT 28553 1564 5 motor motor NN 28553 1564 6 is be VBZ 28553 1564 7 generally generally RB 28553 1564 8 suspended suspend VBN 28553 1564 9 from from IN 28553 1564 10 the the DT 28553 1564 11 wheel wheel NN 28553 1564 12 truck truck NN 28553 1564 13 , , , 28553 1564 14 and and CC 28553 1564 15 a a DT 28553 1564 16 small small JJ 28553 1564 17 pinion pinion NN 28553 1564 18 on on IN 28553 1564 19 the the DT 28553 1564 20 armature armature NN 28553 1564 21 shaft shaft NN 28553 1564 22 gears gear VBZ 28553 1564 23 with with IN 28553 1564 24 a a DT 28553 1564 25 large large JJ 28553 1564 26 pinion pinion NN 28553 1564 27 on on IN 28553 1564 28 a a DT 28553 1564 29 wheel wheel NN 28553 1564 30 axle axle NN 28553 1564 31 . . . 28553 1565 1 One one CD 28553 1565 2 great great JJ 28553 1565 3 advantage advantage NN 28553 1565 4 of of IN 28553 1565 5 electric electric JJ 28553 1565 6 traction traction NN 28553 1565 7 is be VBZ 28553 1565 8 that that IN 28553 1565 9 every every DT 28553 1565 10 vehicle vehicle NN 28553 1565 11 of of IN 28553 1565 12 a a DT 28553 1565 13 train train NN 28553 1565 14 can can MD 28553 1565 15 carry carry VB 28553 1565 16 its -PRON- PRP$ 28553 1565 17 own own JJ 28553 1565 18 motor motor NN 28553 1565 19 , , , 28553 1565 20 so so IN 28553 1565 21 that that IN 28553 1565 22 the the DT 28553 1565 23 whole whole JJ 28553 1565 24 weight weight NN 28553 1565 25 of of IN 28553 1565 26 the the DT 28553 1565 27 train train NN 28553 1565 28 may may MD 28553 1565 29 be be VB 28553 1565 30 used use VBN 28553 1565 31 to to TO 28553 1565 32 get get VB 28553 1565 33 a a DT 28553 1565 34 grip grip NN 28553 1565 35 on on IN 28553 1565 36 the the DT 28553 1565 37 rails rail NNS 28553 1565 38 when when WRB 28553 1565 39 starting start VBG 28553 1565 40 . . . 28553 1566 1 Where where WRB 28553 1566 2 a a DT 28553 1566 3 single single JJ 28553 1566 4 steam steam NN 28553 1566 5 locomotive locomotive JJ 28553 1566 6 is be VBZ 28553 1566 7 used use VBN 28553 1566 8 , , , 28553 1566 9 the the DT 28553 1566 10 adhesion adhesion NN 28553 1566 11 of of IN 28553 1566 12 its -PRON- PRP$ 28553 1566 13 driving driving NN 28553 1566 14 - - HYPH 28553 1566 15 wheels wheel NNS 28553 1566 16 only only RB 28553 1566 17 is be VBZ 28553 1566 18 available available JJ 28553 1566 19 for for IN 28553 1566 20 overcoming overcome VBG 28553 1566 21 the the DT 28553 1566 22 inertia inertia NN 28553 1566 23 of of IN 28553 1566 24 the the DT 28553 1566 25 load load NN 28553 1566 26 ; ; : 28553 1566 27 and and CC 28553 1566 28 the the DT 28553 1566 29 whole whole JJ 28553 1566 30 strain strain NN 28553 1566 31 of of IN 28553 1566 32 starting starting NN 28553 1566 33 is be VBZ 28553 1566 34 thrown throw VBN 28553 1566 35 on on RP 28553 1566 36 to to IN 28553 1566 37 the the DT 28553 1566 38 foremost foremost JJ 28553 1566 39 couplings coupling NNS 28553 1566 40 . . . 28553 1567 1 Other other JJ 28553 1567 2 advantages advantage NNS 28553 1567 3 may may MD 28553 1567 4 be be VB 28553 1567 5 summed sum VBN 28553 1567 6 up up RP 28553 1567 7 as as IN 28553 1567 8 follows:--(1 follows:--(1 NN 28553 1567 9 ) ) -RRB- 28553 1567 10 Ease ease NN 28553 1567 11 of of IN 28553 1567 12 starting starting NN 28553 1567 13 and and CC 28553 1567 14 rapid rapid JJ 28553 1567 15 acceleration acceleration NN 28553 1567 16 ; ; , 28553 1567 17 ( ( -LRB- 28553 1567 18 2 2 LS 28553 1567 19 ) ) -RRB- 28553 1567 20 absence absence NN 28553 1567 21 of of IN 28553 1567 22 waste waste NN 28553 1567 23 of of IN 28553 1567 24 energy energy NN 28553 1567 25 ( ( -LRB- 28553 1567 26 in in IN 28553 1567 27 the the DT 28553 1567 28 shape shape NN 28553 1567 29 of of IN 28553 1567 30 burning burn VBG 28553 1567 31 fuel fuel NN 28553 1567 32 ) ) -RRB- 28553 1567 33 when when WRB 28553 1567 34 the the DT 28553 1567 35 vehicles vehicle NNS 28553 1567 36 are be VBP 28553 1567 37 at at IN 28553 1567 38 rest rest NN 28553 1567 39 ; ; , 28553 1567 40 ( ( -LRB- 28553 1567 41 3 3 LS 28553 1567 42 ) ) -RRB- 28553 1567 43 absence absence NN 28553 1567 44 of of IN 28553 1567 45 smoke smoke NN 28553 1567 46 and and CC 28553 1567 47 smell smell NN 28553 1567 48 . . . 28553 1568 1 ELECTRIC ELECTRIC NNP 28553 1568 2 LIGHTING LIGHTING NNP 28553 1568 3 . . . 28553 1569 1 Dynamos Dynamos NNP 28553 1569 2 are be VBP 28553 1569 3 used use VBN 28553 1569 4 to to TO 28553 1569 5 generate generate VB 28553 1569 6 current current JJ 28553 1569 7 for for IN 28553 1569 8 two two CD 28553 1569 9 main main JJ 28553 1569 10 purposes--(1 purposes--(1 NN 28553 1569 11 ) ) -RRB- 28553 1569 12 To to TO 28553 1569 13 supply supply VB 28553 1569 14 power power NN 28553 1569 15 to to IN 28553 1569 16 motors motor NNS 28553 1569 17 of of IN 28553 1569 18 all all DT 28553 1569 19 kinds kind NNS 28553 1569 20 ; ; : 28553 1569 21 ( ( -LRB- 28553 1569 22 2 2 LS 28553 1569 23 ) ) -RRB- 28553 1569 24 to to TO 28553 1569 25 light light VB 28553 1569 26 our -PRON- PRP$ 28553 1569 27 houses house NNS 28553 1569 28 , , , 28553 1569 29 factories factory NNS 28553 1569 30 , , , 28553 1569 31 and and CC 28553 1569 32 streets street NNS 28553 1569 33 . . . 28553 1570 1 In in IN 28553 1570 2 private private JJ 28553 1570 3 houses house NNS 28553 1570 4 and and CC 28553 1570 5 theatres theatre NNS 28553 1570 6 incandescent incandescent NN 28553 1570 7 lamps lamp NNS 28553 1570 8 are be VBP 28553 1570 9 generally generally RB 28553 1570 10 used use VBN 28553 1570 11 ; ; : 28553 1570 12 in in IN 28553 1570 13 the the DT 28553 1570 14 open open JJ 28553 1570 15 air air NN 28553 1570 16 , , , 28553 1570 17 in in IN 28553 1570 18 shops shop NNS 28553 1570 19 , , , 28553 1570 20 and and CC 28553 1570 21 in in IN 28553 1570 22 larger large JJR 28553 1570 23 buildings building NNS 28553 1570 24 , , , 28553 1570 25 such such JJ 28553 1570 26 as as IN 28553 1570 27 railway railway NN 28553 1570 28 stations station NNS 28553 1570 29 , , , 28553 1570 30 the the DT 28553 1570 31 arc arc NNP 28553 1570 32 lamp lamp NN 28553 1570 33 is be VBZ 28553 1570 34 more more RBR 28553 1570 35 often often RB 28553 1570 36 found find VBN 28553 1570 37 . . . 28553 1571 1 INCANDESCENT INCANDESCENT NNP 28553 1571 2 LAMP LAMP NNP 28553 1571 3 . . . 28553 1572 1 If if IN 28553 1572 2 you -PRON- PRP 28553 1572 3 take take VBP 28553 1572 4 a a DT 28553 1572 5 piece piece NN 28553 1572 6 of of IN 28553 1572 7 very very RB 28553 1572 8 fine fine JJ 28553 1572 9 iron iron NN 28553 1572 10 wire wire NN 28553 1572 11 and and CC 28553 1572 12 lay lie VBD 28553 1572 13 it -PRON- PRP 28553 1572 14 across across IN 28553 1572 15 the the DT 28553 1572 16 terminals terminal NNS 28553 1572 17 of of IN 28553 1572 18 an an DT 28553 1572 19 accumulator accumulator NN 28553 1572 20 , , , 28553 1572 21 it -PRON- PRP 28553 1572 22 becomes become VBZ 28553 1572 23 white white JJ 28553 1572 24 hot hot JJ 28553 1572 25 and and CC 28553 1572 26 melts melt NNS 28553 1572 27 , , , 28553 1572 28 owing owe VBG 28553 1572 29 to to IN 28553 1572 30 the the DT 28553 1572 31 heat heat NN 28553 1572 32 generated generate VBN 28553 1572 33 by by IN 28553 1572 34 its -PRON- PRP$ 28553 1572 35 resistance resistance NN 28553 1572 36 to to IN 28553 1572 37 the the DT 28553 1572 38 current current NN 28553 1572 39 . . . 28553 1573 1 A a DT 28553 1573 2 piece piece NN 28553 1573 3 of of IN 28553 1573 4 fine fine JJ 28553 1573 5 platinum platinum NN 28553 1573 6 wire wire NN 28553 1573 7 would would MD 28553 1573 8 become become VB 28553 1573 9 white white JJ 28553 1573 10 hot hot JJ 28553 1573 11 without without IN 28553 1573 12 melting melt VBG 28553 1573 13 , , , 28553 1573 14 and and CC 28553 1573 15 would would MD 28553 1573 16 give give VB 28553 1573 17 out out RP 28553 1573 18 an an DT 28553 1573 19 intense intense JJ 28553 1573 20 light light NN 28553 1573 21 . . . 28553 1574 1 Here here RB 28553 1574 2 we -PRON- PRP 28553 1574 3 have have VBP 28553 1574 4 the the DT 28553 1574 5 principle principle NN 28553 1574 6 of of IN 28553 1574 7 the the DT 28553 1574 8 glow glow NN 28553 1574 9 or or CC 28553 1574 10 incandescent incandescent NN 28553 1574 11 lamp lamp NN 28553 1574 12 -- -- : 28553 1574 13 namely namely RB 28553 1574 14 , , , 28553 1574 15 the the DT 28553 1574 16 interposition interposition NN 28553 1574 17 in in IN 28553 1574 18 an an DT 28553 1574 19 electric electric JJ 28553 1574 20 circuit circuit NN 28553 1574 21 of of IN 28553 1574 22 a a DT 28553 1574 23 conductor conductor NN 28553 1574 24 which which WDT 28553 1574 25 at at IN 28553 1574 26 once once RB 28553 1574 27 offers offer VBZ 28553 1574 28 a a DT 28553 1574 29 high high JJ 28553 1574 30 resistance resistance NN 28553 1574 31 to to IN 28553 1574 32 the the DT 28553 1574 33 current current NN 28553 1574 34 , , , 28553 1574 35 but but CC 28553 1574 36 is be VBZ 28553 1574 37 not not RB 28553 1574 38 destroyed destroy VBN 28553 1574 39 by by IN 28553 1574 40 the the DT 28553 1574 41 resulting result VBG 28553 1574 42 heat heat NN 28553 1574 43 . . . 28553 1575 1 In in IN 28553 1575 2 Fig Fig NNP 28553 1575 3 . . . 28553 1576 1 80 80 CD 28553 1576 2 is be VBZ 28553 1576 3 shown show VBN 28553 1576 4 a a DT 28553 1576 5 fan fan NN 28553 1576 6 propelling propel VBG 28553 1576 7 liquid liquid NN 28553 1576 8 constantly constantly RB 28553 1576 9 through through IN 28553 1576 10 a a DT 28553 1576 11 pipe pipe NN 28553 1576 12 . . . 28553 1577 1 Let let VB 28553 1577 2 us -PRON- PRP 28553 1577 3 assume assume VB 28553 1577 4 that that IN 28553 1577 5 the the DT 28553 1577 6 liquid liquid NN 28553 1577 7 is be VBZ 28553 1577 8 one one CD 28553 1577 9 which which WDT 28553 1577 10 develops develop VBZ 28553 1577 11 great great JJ 28553 1577 12 friction friction NN 28553 1577 13 on on IN 28553 1577 14 the the DT 28553 1577 15 inside inside NN 28553 1577 16 of of IN 28553 1577 17 the the DT 28553 1577 18 pipe pipe NN 28553 1577 19 . . . 28553 1578 1 At at IN 28553 1578 2 the the DT 28553 1578 3 contraction contraction NN 28553 1578 4 , , , 28553 1578 5 where where WRB 28553 1578 6 the the DT 28553 1578 7 speed speed NN 28553 1578 8 of of IN 28553 1578 9 travel travel NN 28553 1578 10 is be VBZ 28553 1578 11 much much RB 28553 1578 12 greater great JJR 28553 1578 13 than than IN 28553 1578 14 elsewhere elsewhere RB 28553 1578 15 in in IN 28553 1578 16 the the DT 28553 1578 17 circuit circuit NN 28553 1578 18 , , , 28553 1578 19 most most JJS 28553 1578 20 heat heat NN 28553 1578 21 will will MD 28553 1578 22 be be VB 28553 1578 23 produced produce VBN 28553 1578 24 . . . 28553 1579 1 [ [ -LRB- 28553 1579 2 Illustration illustration NN 28553 1579 3 : : : 28553 1579 4 FIG FIG NNP 28553 1579 5 . . . 28553 1580 1 80.--Diagram 80.--diagram CD 28553 1580 2 to to TO 28553 1580 3 show show VB 28553 1580 4 circulation circulation NN 28553 1580 5 of of IN 28553 1580 6 water water NN 28553 1580 7 through through IN 28553 1580 8 a a DT 28553 1580 9 pipe pipe NN 28553 1580 10 . . . 28553 1580 11 ] ] -RRB- 28553 1581 1 In in IN 28553 1581 2 quite quite PDT 28553 1581 3 the the DT 28553 1581 4 early early JJ 28553 1581 5 days day NNS 28553 1581 6 of of IN 28553 1581 7 the the DT 28553 1581 8 glow glow JJ 28553 1581 9 - - HYPH 28553 1581 10 lamp lamp NN 28553 1581 11 platinum platinum NN 28553 1581 12 wire wire NN 28553 1581 13 was be VBD 28553 1581 14 found find VBN 28553 1581 15 to to TO 28553 1581 16 be be VB 28553 1581 17 unreliable unreliable JJ 28553 1581 18 as as IN 28553 1581 19 regards regard NNS 28553 1581 20 melting melt VBG 28553 1581 21 , , , 28553 1581 22 and and CC 28553 1581 23 filaments filament NNS 28553 1581 24 of of IN 28553 1581 25 carbon carbon NN 28553 1581 26 are be VBP 28553 1581 27 now now RB 28553 1581 28 used use VBN 28553 1581 29 . . . 28553 1582 1 To to TO 28553 1582 2 prevent prevent VB 28553 1582 3 the the DT 28553 1582 4 wasting wasting NN 28553 1582 5 away away RP 28553 1582 6 of of IN 28553 1582 7 the the DT 28553 1582 8 carbon carbon NN 28553 1582 9 by by IN 28553 1582 10 combination combination NN 28553 1582 11 with with IN 28553 1582 12 oxygen oxygen NN 28553 1582 13 the the DT 28553 1582 14 filament filament NN 28553 1582 15 is be VBZ 28553 1582 16 enclosed enclose VBN 28553 1582 17 in in IN 28553 1582 18 a a DT 28553 1582 19 glass glass NN 28553 1582 20 bulb bulb NN 28553 1582 21 from from IN 28553 1582 22 which which WDT 28553 1582 23 practically practically RB 28553 1582 24 all all DT 28553 1582 25 air air NN 28553 1582 26 has have VBZ 28553 1582 27 been be VBN 28553 1582 28 sucked suck VBN 28553 1582 29 by by IN 28553 1582 30 a a DT 28553 1582 31 mercury mercury NN 28553 1582 32 pump pump NN 28553 1582 33 before before IN 28553 1582 34 sealing sealing NN 28553 1582 35 . . . 28553 1583 1 [ [ -LRB- 28553 1583 2 Illustration illustration NN 28553 1583 3 : : : 28553 1583 4 FIG FIG NNP 28553 1583 5 . . . 28553 1584 1 81.--The 81.--the CD 28553 1584 2 electrical electrical JJ 28553 1584 3 counterpart counterpart NN 28553 1584 4 of of IN 28553 1584 5 Fig Fig NNP 28553 1584 6 . . . 28553 1585 1 80 80 CD 28553 1585 2 . . . 28553 1586 1 The the DT 28553 1586 2 filament filament NN 28553 1586 3 takes take VBZ 28553 1586 4 the the DT 28553 1586 5 place place NN 28553 1586 6 of of IN 28553 1586 7 the the DT 28553 1586 8 contraction contraction NN 28553 1586 9 in in IN 28553 1586 10 the the DT 28553 1586 11 pipe pipe NN 28553 1586 12 . . . 28553 1586 13 ] ] -RRB- 28553 1587 1 The the DT 28553 1587 2 manufacture manufacture NN 28553 1587 3 of of IN 28553 1587 4 glow glow NN 28553 1587 5 - - HYPH 28553 1587 6 lamps lamp NNS 28553 1587 7 is be VBZ 28553 1587 8 now now RB 28553 1587 9 an an DT 28553 1587 10 important important JJ 28553 1587 11 industry industry NN 28553 1587 12 . . . 28553 1588 1 One one CD 28553 1588 2 brand brand NN 28553 1588 3 of of IN 28553 1588 4 lamp[20 lamp[20 NN 28553 1588 5 ] ] -RRB- 28553 1588 6 is be VBZ 28553 1588 7 made make VBN 28553 1588 8 as as IN 28553 1588 9 follows:--First follows:--first NN 28553 1588 10 , , , 28553 1588 11 cotton cotton NN 28553 1588 12 - - HYPH 28553 1588 13 wool wool NN 28553 1588 14 is be VBZ 28553 1588 15 dissolved dissolve VBN 28553 1588 16 in in IN 28553 1588 17 chloride chloride NN 28553 1588 18 of of IN 28553 1588 19 zinc zinc NN 28553 1588 20 , , , 28553 1588 21 and and CC 28553 1588 22 forms form VBZ 28553 1588 23 a a DT 28553 1588 24 treacly treacly NN 28553 1588 25 solution solution NN 28553 1588 26 , , , 28553 1588 27 which which WDT 28553 1588 28 is be VBZ 28553 1588 29 squirted squirt VBN 28553 1588 30 through through IN 28553 1588 31 a a DT 28553 1588 32 fine fine JJ 28553 1588 33 nozzle nozzle NN 28553 1588 34 into into IN 28553 1588 35 a a DT 28553 1588 36 settling settling NN 28553 1588 37 solution solution NN 28553 1588 38 which which WDT 28553 1588 39 hardens harden VBZ 28553 1588 40 it -PRON- PRP 28553 1588 41 and and CC 28553 1588 42 makes make VBZ 28553 1588 43 it -PRON- PRP 28553 1588 44 coil coil VB 28553 1588 45 up up RP 28553 1588 46 like like IN 28553 1588 47 a a DT 28553 1588 48 very very RB 28553 1588 49 fine fine JJ 28553 1588 50 violin violin NN 28553 1588 51 string string NN 28553 1588 52 . . . 28553 1589 1 After after IN 28553 1589 2 being be VBG 28553 1589 3 washed wash VBN 28553 1589 4 and and CC 28553 1589 5 dried dry VBN 28553 1589 6 , , , 28553 1589 7 it -PRON- PRP 28553 1589 8 is be VBZ 28553 1589 9 wound wind VBN 28553 1589 10 on on IN 28553 1589 11 a a DT 28553 1589 12 plumbago plumbago JJ 28553 1589 13 rod rod NN 28553 1589 14 and and CC 28553 1589 15 baked bake VBD 28553 1589 16 in in IN 28553 1589 17 a a DT 28553 1589 18 furnace furnace NN 28553 1589 19 until until IN 28553 1589 20 only only RB 28553 1589 21 the the DT 28553 1589 22 carbon carbon NN 28553 1589 23 element element NN 28553 1589 24 remains remain VBZ 28553 1589 25 . . . 28553 1590 1 This this DT 28553 1590 2 is be VBZ 28553 1590 3 the the DT 28553 1590 4 filament filament NN 28553 1590 5 in in IN 28553 1590 6 the the DT 28553 1590 7 rough rough NN 28553 1590 8 . . . 28553 1591 1 It -PRON- PRP 28553 1591 2 is be VBZ 28553 1591 3 next next RB 28553 1591 4 removed remove VBN 28553 1591 5 from from IN 28553 1591 6 the the DT 28553 1591 7 rod rod NN 28553 1591 8 and and CC 28553 1591 9 tipped tip VBD 28553 1591 10 with with IN 28553 1591 11 two two CD 28553 1591 12 short short JJ 28553 1591 13 pieces piece NNS 28553 1591 14 of of IN 28553 1591 15 fine fine JJ 28553 1591 16 platinum platinum NN 28553 1591 17 wire wire NN 28553 1591 18 . . . 28553 1592 1 To to TO 28553 1592 2 make make VB 28553 1592 3 the the DT 28553 1592 4 junction junction NN 28553 1592 5 electrically electrically RB 28553 1592 6 perfect perfect VB 28553 1592 7 the the DT 28553 1592 8 filament filament NN 28553 1592 9 is be VBZ 28553 1592 10 plunged plunge VBN 28553 1592 11 in in IN 28553 1592 12 benzine benzine NN 28553 1592 13 and and CC 28553 1592 14 heated heat VBD 28553 1592 15 to to TO 28553 1592 16 whiteness whiteness VB 28553 1592 17 by by IN 28553 1592 18 the the DT 28553 1592 19 passage passage NN 28553 1592 20 of of IN 28553 1592 21 a a DT 28553 1592 22 strong strong JJ 28553 1592 23 current current NN 28553 1592 24 , , , 28553 1592 25 which which WDT 28553 1592 26 deposits deposit VBZ 28553 1592 27 the the DT 28553 1592 28 carbon carbon NN 28553 1592 29 of of IN 28553 1592 30 the the DT 28553 1592 31 benzine benzine NN 28553 1592 32 on on IN 28553 1592 33 the the DT 28553 1592 34 joints joint NNS 28553 1592 35 . . . 28553 1593 1 The the DT 28553 1593 2 filament filament NN 28553 1593 3 is be VBZ 28553 1593 4 now now RB 28553 1593 5 placed place VBN 28553 1593 6 under under IN 28553 1593 7 the the DT 28553 1593 8 glass glass NN 28553 1593 9 receiver receiver NN 28553 1593 10 of of IN 28553 1593 11 an an DT 28553 1593 12 air air NN 28553 1593 13 - - HYPH 28553 1593 14 pump pump NN 28553 1593 15 , , , 28553 1593 16 the the DT 28553 1593 17 air air NN 28553 1593 18 is be VBZ 28553 1593 19 exhausted exhaust VBN 28553 1593 20 , , , 28553 1593 21 hydro hydro NNP 28553 1593 22 - - HYPH 28553 1593 23 carbon carbon NNP 28553 1593 24 vapour vapour NN 28553 1593 25 is be VBZ 28553 1593 26 introduced introduce VBN 28553 1593 27 , , , 28553 1593 28 and and CC 28553 1593 29 the the DT 28553 1593 30 filament filament NN 28553 1593 31 has have VBZ 28553 1593 32 a a DT 28553 1593 33 current current JJ 28553 1593 34 passed pass VBN 28553 1593 35 through through IN 28553 1593 36 it -PRON- PRP 28553 1593 37 to to TO 28553 1593 38 make make VB 28553 1593 39 it -PRON- PRP 28553 1593 40 white white JJ 28553 1593 41 hot hot JJ 28553 1593 42 . . . 28553 1594 1 Carbon carbon NN 28553 1594 2 from from IN 28553 1594 3 the the DT 28553 1594 4 vapour vapour NN 28553 1594 5 is be VBZ 28553 1594 6 deposited deposit VBN 28553 1594 7 all all RB 28553 1594 8 over over IN 28553 1594 9 the the DT 28553 1594 10 filament filament NN 28553 1594 11 until until IN 28553 1594 12 the the DT 28553 1594 13 required require VBN 28553 1594 14 electrical electrical JJ 28553 1594 15 resistance resistance NN 28553 1594 16 is be VBZ 28553 1594 17 attained attain VBN 28553 1594 18 . . . 28553 1595 1 The the DT 28553 1595 2 filament filament NN 28553 1595 3 is be VBZ 28553 1595 4 now now RB 28553 1595 5 ready ready JJ 28553 1595 6 for for IN 28553 1595 7 enclosure enclosure NN 28553 1595 8 in in IN 28553 1595 9 the the DT 28553 1595 10 bulb bulb NN 28553 1595 11 . . . 28553 1596 1 When when WRB 28553 1596 2 the the DT 28553 1596 3 bulb bulb NN 28553 1596 4 has have VBZ 28553 1596 5 been be VBN 28553 1596 6 exhausted exhaust VBN 28553 1596 7 and and CC 28553 1596 8 sealed seal VBN 28553 1596 9 , , , 28553 1596 10 the the DT 28553 1596 11 lamp lamp NN 28553 1596 12 is be VBZ 28553 1596 13 tested test VBN 28553 1596 14 , , , 28553 1596 15 and and CC 28553 1596 16 , , , 28553 1596 17 if if IN 28553 1596 18 passed pass VBN 28553 1596 19 , , , 28553 1596 20 goes go VBZ 28553 1596 21 to to IN 28553 1596 22 the the DT 28553 1596 23 finishing finish VBG 28553 1596 24 department department NN 28553 1596 25 , , , 28553 1596 26 where where WRB 28553 1596 27 the the DT 28553 1596 28 two two CD 28553 1596 29 platinum platinum NN 28553 1596 30 wires wire NNS 28553 1596 31 ( ( -LRB- 28553 1596 32 projecting project VBG 28553 1596 33 through through IN 28553 1596 34 the the DT 28553 1596 35 glass glass NN 28553 1596 36 ) ) -RRB- 28553 1596 37 are be VBP 28553 1596 38 soldered solder VBN 28553 1596 39 to to IN 28553 1596 40 a a DT 28553 1596 41 couple couple NN 28553 1596 42 of of IN 28553 1596 43 brass brass NN 28553 1596 44 plates plate NNS 28553 1596 45 , , , 28553 1596 46 which which WDT 28553 1596 47 make make VBP 28553 1596 48 contact contact NN 28553 1596 49 with with IN 28553 1596 50 two two CD 28553 1596 51 terminals terminal NNS 28553 1596 52 in in IN 28553 1596 53 a a DT 28553 1596 54 lamp lamp NN 28553 1596 55 socket socket NN 28553 1596 56 . . . 28553 1597 1 Finally finally RB 28553 1597 2 , , , 28553 1597 3 brass brass NN 28553 1597 4 caps cap NNS 28553 1597 5 are be VBP 28553 1597 6 affixed affix VBN 28553 1597 7 with with IN 28553 1597 8 a a DT 28553 1597 9 special special JJ 28553 1597 10 water water NN 28553 1597 11 - - HYPH 28553 1597 12 tight tight JJ 28553 1597 13 and and CC 28553 1597 14 hard hard JJ 28553 1597 15 cement cement NN 28553 1597 16 . . . 28553 1598 1 ARC arc NN 28553 1598 2 LAMPS LAMPS NNP 28553 1598 3 . . . 28553 1599 1 In in IN 28553 1599 2 _ _ NNP 28553 1599 3 arc arc NNP 28553 1599 4 _ _ NNP 28553 1599 5 lighting lighting NN 28553 1599 6 , , , 28553 1599 7 instead instead RB 28553 1599 8 of of IN 28553 1599 9 a a DT 28553 1599 10 contraction contraction NN 28553 1599 11 at at IN 28553 1599 12 a a DT 28553 1599 13 point point NN 28553 1599 14 in in IN 28553 1599 15 the the DT 28553 1599 16 circuit circuit NN 28553 1599 17 , , , 28553 1599 18 there there EX 28553 1599 19 is be VBZ 28553 1599 20 an an DT 28553 1599 21 actual actual JJ 28553 1599 22 break break NN 28553 1599 23 of of IN 28553 1599 24 very very RB 28553 1599 25 small small JJ 28553 1599 26 extent extent NN 28553 1599 27 . . . 28553 1600 1 Suppose suppose VB 28553 1600 2 that that DT 28553 1600 3 to to IN 28553 1600 4 the the DT 28553 1600 5 ends end NNS 28553 1600 6 of of IN 28553 1600 7 the the DT 28553 1600 8 wires wire NNS 28553 1600 9 leading lead VBG 28553 1600 10 from from IN 28553 1600 11 a a DT 28553 1600 12 dynamo dynamo NN 28553 1600 13 's 's POS 28553 1600 14 terminals terminal NNS 28553 1600 15 we -PRON- PRP 28553 1600 16 attach attach VBP 28553 1600 17 two two CD 28553 1600 18 carbon carbon NN 28553 1600 19 rods rod NNS 28553 1600 20 , , , 28553 1600 21 and and CC 28553 1600 22 touch touch VB 28553 1600 23 the the DT 28553 1600 24 end end NN 28553 1600 25 of of IN 28553 1600 26 the the DT 28553 1600 27 rods rod NNS 28553 1600 28 together together RB 28553 1600 29 . . . 28553 1601 1 The the DT 28553 1601 2 tips tip NNS 28553 1601 3 become become VBP 28553 1601 4 white white JJ 28553 1601 5 hot hot JJ 28553 1601 6 , , , 28553 1601 7 and and CC 28553 1601 8 if if IN 28553 1601 9 they -PRON- PRP 28553 1601 10 are be VBP 28553 1601 11 separated separate VBN 28553 1601 12 slightly slightly RB 28553 1601 13 , , , 28553 1601 14 atoms atom NNS 28553 1601 15 of of IN 28553 1601 16 incandescent incandescent JJ 28553 1601 17 carbon carbon NN 28553 1601 18 leap leap NN 28553 1601 19 from from IN 28553 1601 20 the the DT 28553 1601 21 positive positive JJ 28553 1601 22 to to IN 28553 1601 23 the the DT 28553 1601 24 negative negative JJ 28553 1601 25 rod rod NN 28553 1601 26 in in IN 28553 1601 27 a a DT 28553 1601 28 continuous continuous JJ 28553 1601 29 and and CC 28553 1601 30 intensely intensely RB 28553 1601 31 luminous luminous JJ 28553 1601 32 stream stream NN 28553 1601 33 , , , 28553 1601 34 which which WDT 28553 1601 35 is be VBZ 28553 1601 36 called call VBN 28553 1601 37 an an DT 28553 1601 38 _ _ NNP 28553 1601 39 arc arc NNP 28553 1601 40 _ _ NNP 28553 1601 41 because because IN 28553 1601 42 the the DT 28553 1601 43 path path NN 28553 1601 44 of of IN 28553 1601 45 the the DT 28553 1601 46 particles particle NNS 28553 1601 47 is be VBZ 28553 1601 48 curved curved JJ 28553 1601 49 . . . 28553 1602 1 No no DT 28553 1602 2 arc arc NN 28553 1602 3 would would MD 28553 1602 4 be be VB 28553 1602 5 formed form VBN 28553 1602 6 unless unless IN 28553 1602 7 the the DT 28553 1602 8 carbons carbon NNS 28553 1602 9 were be VBD 28553 1602 10 first first RB 28553 1602 11 touched touch VBN 28553 1602 12 to to TO 28553 1602 13 start start VB 28553 1602 14 incandescence incandescence NN 28553 1602 15 . . . 28553 1603 1 If if IN 28553 1603 2 they -PRON- PRP 28553 1603 3 are be VBP 28553 1603 4 separated separate VBN 28553 1603 5 too too RB 28553 1603 6 far far RB 28553 1603 7 for for IN 28553 1603 8 the the DT 28553 1603 9 strength strength NN 28553 1603 10 of of IN 28553 1603 11 the the DT 28553 1603 12 current current NN 28553 1603 13 to to TO 28553 1603 14 bridge bridge VB 28553 1603 15 the the DT 28553 1603 16 gap gap NN 28553 1603 17 the the DT 28553 1603 18 light light NN 28553 1603 19 will will MD 28553 1603 20 flicker flicker VB 28553 1603 21 or or CC 28553 1603 22 go go VB 28553 1603 23 out out RP 28553 1603 24 . . . 28553 1604 1 The the DT 28553 1604 2 arc arc NN 28553 1604 3 lamp lamp NN 28553 1604 4 is be VBZ 28553 1604 5 therefore therefore RB 28553 1604 6 provided provide VBN 28553 1604 7 with with IN 28553 1604 8 a a DT 28553 1604 9 mechanism mechanism NN 28553 1604 10 which which WDT 28553 1604 11 , , , 28553 1604 12 when when WRB 28553 1604 13 the the DT 28553 1604 14 current current NN 28553 1604 15 is be VBZ 28553 1604 16 cut cut VBN 28553 1604 17 off off RP 28553 1604 18 , , , 28553 1604 19 causes cause VBZ 28553 1604 20 the the DT 28553 1604 21 carbons carbon NNS 28553 1604 22 to to TO 28553 1604 23 fall fall VB 28553 1604 24 together together RB 28553 1604 25 , , , 28553 1604 26 gradually gradually RB 28553 1604 27 separates separate VBZ 28553 1604 28 them -PRON- PRP 28553 1604 29 when when WRB 28553 1604 30 it -PRON- PRP 28553 1604 31 is be VBZ 28553 1604 32 turned turn VBN 28553 1604 33 on on RP 28553 1604 34 , , , 28553 1604 35 and and CC 28553 1604 36 keeps keep VBZ 28553 1604 37 them -PRON- PRP 28553 1604 38 apart apart RB 28553 1604 39 . . . 28553 1605 1 The the DT 28553 1605 2 principle principle NN 28553 1605 3 employed employ VBN 28553 1605 4 is be VBZ 28553 1605 5 the the DT 28553 1605 6 effort effort NN 28553 1605 7 of of IN 28553 1605 8 a a DT 28553 1605 9 coil coil NN 28553 1605 10 through through IN 28553 1605 11 which which WDT 28553 1605 12 a a DT 28553 1605 13 current current NN 28553 1605 14 passes pass VBZ 28553 1605 15 to to TO 28553 1605 16 draw draw VB 28553 1605 17 an an DT 28553 1605 18 iron iron NN 28553 1605 19 rod rod NN 28553 1605 20 into into IN 28553 1605 21 its -PRON- PRP$ 28553 1605 22 centre centre NN 28553 1605 23 . . . 28553 1606 1 Some some DT 28553 1606 2 of of IN 28553 1606 3 the the DT 28553 1606 4 current current JJ 28553 1606 5 feeding feed VBG 28553 1606 6 the the DT 28553 1606 7 lamp lamp NN 28553 1606 8 is be VBZ 28553 1606 9 shunted shunt VBN 28553 1606 10 through through IN 28553 1606 11 a a DT 28553 1606 12 coil coil NN 28553 1606 13 , , , 28553 1606 14 into into IN 28553 1606 15 which which WDT 28553 1606 16 projects project NNS 28553 1606 17 one one CD 28553 1606 18 end end NN 28553 1606 19 of of IN 28553 1606 20 an an DT 28553 1606 21 iron iron NN 28553 1606 22 bar bar NN 28553 1606 23 connected connect VBN 28553 1606 24 with with IN 28553 1606 25 one one CD 28553 1606 26 carbon carbon NN 28553 1606 27 point point NN 28553 1606 28 . . . 28553 1607 1 A a DT 28553 1607 2 spring spring NN 28553 1607 3 normally normally RB 28553 1607 4 presses press VBZ 28553 1607 5 the the DT 28553 1607 6 points point NNS 28553 1607 7 together together RB 28553 1607 8 when when WRB 28553 1607 9 no no DT 28553 1607 10 current current JJ 28553 1607 11 flows flow VBZ 28553 1607 12 . . . 28553 1608 1 As as RB 28553 1608 2 soon soon RB 28553 1608 3 as as IN 28553 1608 4 current current JJ 28553 1608 5 circulates circulate NNS 28553 1608 6 through through IN 28553 1608 7 the the DT 28553 1608 8 coil coil NN 28553 1608 9 the the DT 28553 1608 10 bar bar NN 28553 1608 11 is be VBZ 28553 1608 12 drawn draw VBN 28553 1608 13 upwards upwards RB 28553 1608 14 against against IN 28553 1608 15 the the DT 28553 1608 16 spring spring NN 28553 1608 17 . . . 28553 1609 1 SERIES SERIES NNP 28553 1609 2 AND and CC 28553 1609 3 PARALLEL parallel NN 28553 1609 4 ARRANGEMENT ARRANGEMENT NNP 28553 1609 5 OF of IN 28553 1609 6 LAMPS LAMPS NNP 28553 1609 7 . . . 28553 1610 1 When when WRB 28553 1610 2 current current JJ 28553 1610 3 passes pass VBZ 28553 1610 4 from from IN 28553 1610 5 one one CD 28553 1610 6 lamp lamp NN 28553 1610 7 to to IN 28553 1610 8 another another DT 28553 1610 9 , , , 28553 1610 10 as as IN 28553 1610 11 in in IN 28553 1610 12 Fig Fig NNP 28553 1610 13 . . . 28553 1611 1 82 82 CD 28553 1611 2 , , , 28553 1611 3 the the DT 28553 1611 4 lamps lamp NNS 28553 1611 5 are be VBP 28553 1611 6 said say VBN 28553 1611 7 to to TO 28553 1611 8 be be VB 28553 1611 9 in in IN 28553 1611 10 _ _ NNP 28553 1611 11 series series NN 28553 1611 12 _ _ NNP 28553 1611 13 . . . 28553 1612 1 Should Should MD 28553 1612 2 one one CD 28553 1612 3 lamp lamp NN 28553 1612 4 fail fail VB 28553 1612 5 , , , 28553 1612 6 all all RB 28553 1612 7 in in IN 28553 1612 8 the the DT 28553 1612 9 circuit circuit NN 28553 1612 10 would would MD 28553 1612 11 go go VB 28553 1612 12 out out RP 28553 1612 13 . . . 28553 1613 1 But but CC 28553 1613 2 where where WRB 28553 1613 3 arc arc NN 28553 1613 4 lamps lamp NNS 28553 1613 5 are be VBP 28553 1613 6 thus thus RB 28553 1613 7 arranged arrange VBN 28553 1613 8 a a DT 28553 1613 9 special special JJ 28553 1613 10 mechanism mechanism NN 28553 1613 11 on on IN 28553 1613 12 each each DT 28553 1613 13 lamp lamp NN 28553 1613 14 " " `` 28553 1613 15 short short JJ 28553 1613 16 - - HYPH 28553 1613 17 circuits circuit NNS 28553 1613 18 " " '' 28553 1613 19 it -PRON- PRP 28553 1613 20 in in IN 28553 1613 21 case case NN 28553 1613 22 of of IN 28553 1613 23 failure failure NN 28553 1613 24 , , , 28553 1613 25 so so IN 28553 1613 26 that that IN 28553 1613 27 current current NN 28553 1613 28 may may MD 28553 1613 29 pass pass VB 28553 1613 30 uninterruptedly uninterruptedly RB 28553 1613 31 to to IN 28553 1613 32 the the DT 28553 1613 33 next next JJ 28553 1613 34 . . . 28553 1614 1 [ [ -LRB- 28553 1614 2 Illustration illustration NN 28553 1614 3 : : : 28553 1614 4 FIG FIG NNP 28553 1614 5 . . . 28553 1615 1 82.--Incandescent 82.--incandescent CD 28553 1615 2 lamps lamp NNS 28553 1615 3 connected connect VBN 28553 1615 4 in in IN 28553 1615 5 " " `` 28553 1615 6 series series NN 28553 1615 7 . . . 28553 1615 8 " " '' 28553 1615 9 ] ] -RRB- 28553 1616 1 Fig fig NN 28553 1616 2 . . . 28553 1617 1 83 83 CD 28553 1617 2 shows show VBZ 28553 1617 3 a a DT 28553 1617 4 number number NN 28553 1617 5 of of IN 28553 1617 6 lamps lamp NNS 28553 1617 7 set set VBN 28553 1617 8 _ _ NNP 28553 1617 9 in in IN 28553 1617 10 parallel parallel JJ 28553 1617 11 _ _ NNP 28553 1617 12 . . . 28553 1618 1 One one CD 28553 1618 2 terminal terminal NN 28553 1618 3 of of IN 28553 1618 4 each each DT 28553 1618 5 is be VBZ 28553 1618 6 attached attach VBN 28553 1618 7 to to IN 28553 1618 8 the the DT 28553 1618 9 positive positive JJ 28553 1618 10 conductor conductor NN 28553 1618 11 , , , 28553 1618 12 the the DT 28553 1618 13 other other JJ 28553 1618 14 to to IN 28553 1618 15 the the DT 28553 1618 16 negative negative JJ 28553 1618 17 conductor conductor NN 28553 1618 18 . . . 28553 1619 1 Each each DT 28553 1619 2 lamp lamp NN 28553 1619 3 therefore therefore RB 28553 1619 4 forms form VBZ 28553 1619 5 an an DT 28553 1619 6 independent independent JJ 28553 1619 7 bridge bridge NN 28553 1619 8 , , , 28553 1619 9 and and CC 28553 1619 10 does do VBZ 28553 1619 11 not not RB 28553 1619 12 affect affect VB 28553 1619 13 the the DT 28553 1619 14 efficiency efficiency NN 28553 1619 15 of of IN 28553 1619 16 the the DT 28553 1619 17 rest rest NN 28553 1619 18 . . . 28553 1620 1 _ _ NNP 28553 1620 2 Parallel Parallel NNP 28553 1620 3 series series NN 28553 1620 4 _ _ NNP 28553 1620 5 signifies signify VBZ 28553 1620 6 a a DT 28553 1620 7 combination combination NN 28553 1620 8 of of IN 28553 1620 9 the the DT 28553 1620 10 two two CD 28553 1620 11 systems system NNS 28553 1620 12 , , , 28553 1620 13 and and CC 28553 1620 14 would would MD 28553 1620 15 be be VB 28553 1620 16 illustrated illustrate VBN 28553 1620 17 if if IN 28553 1620 18 , , , 28553 1620 19 in in IN 28553 1620 20 Fig Fig NNP 28553 1620 21 . . . 28553 1621 1 83 83 CD 28553 1621 2 , , , 28553 1621 3 two two CD 28553 1621 4 or or CC 28553 1621 5 more more JJR 28553 1621 6 lamps lamp NNS 28553 1621 7 were be VBD 28553 1621 8 connected connect VBN 28553 1621 9 in in IN 28553 1621 10 series series NN 28553 1621 11 groups group NNS 28553 1621 12 from from IN 28553 1621 13 one one CD 28553 1621 14 conductor conductor NN 28553 1621 15 to to IN 28553 1621 16 the the DT 28553 1621 17 other other JJ 28553 1621 18 . . . 28553 1622 1 This this DT 28553 1622 2 arrangement arrangement NN 28553 1622 3 is be VBZ 28553 1622 4 often often RB 28553 1622 5 used use VBN 28553 1622 6 in in IN 28553 1622 7 arc arc NNP 28553 1622 8 lighting lighting NN 28553 1622 9 . . . 28553 1623 1 [ [ -LRB- 28553 1623 2 Illustration illustration NN 28553 1623 3 : : : 28553 1623 4 FIG FIG NNP 28553 1623 5 . . . 28553 1624 1 83.--Incandescent 83.--incandescent CD 28553 1624 2 lamps lamp NNS 28553 1624 3 connected connect VBN 28553 1624 4 in in IN 28553 1624 5 " " `` 28553 1624 6 parallel parallel NN 28553 1624 7 . . . 28553 1624 8 " " '' 28553 1624 9 ] ] -RRB- 28553 1625 1 CURRENT CURRENT NNP 28553 1625 2 FOR for IN 28553 1625 3 ELECTRIC ELECTRIC NNP 28553 1625 4 LAMPS LAMPS NNP 28553 1625 5 . . . 28553 1626 1 This this DT 28553 1626 2 may may MD 28553 1626 3 be be VB 28553 1626 4 either either CC 28553 1626 5 direct direct JJ 28553 1626 6 or or CC 28553 1626 7 alternating alternating JJ 28553 1626 8 . . . 28553 1627 1 The the DT 28553 1627 2 former former JJ 28553 1627 3 is be VBZ 28553 1627 4 commonly commonly RB 28553 1627 5 used use VBN 28553 1627 6 for for IN 28553 1627 7 arc arc NN 28553 1627 8 lamps lamp NNS 28553 1627 9 , , , 28553 1627 10 the the DT 28553 1627 11 latter latter JJ 28553 1627 12 for for IN 28553 1627 13 incandescent incandescent NN 28553 1627 14 , , , 28553 1627 15 as as IN 28553 1627 16 it -PRON- PRP 28553 1627 17 is be VBZ 28553 1627 18 easily easily RB 28553 1627 19 stepped step VBN 28553 1627 20 - - HYPH 28553 1627 21 down down RB 28553 1627 22 from from IN 28553 1627 23 the the DT 28553 1627 24 high high JJ 28553 1627 25 - - HYPH 28553 1627 26 pressure pressure NN 28553 1627 27 mains main NNS 28553 1627 28 for for IN 28553 1627 29 use use NN 28553 1627 30 in in IN 28553 1627 31 a a DT 28553 1627 32 house house NN 28553 1627 33 . . . 28553 1628 1 Glow glow NN 28553 1628 2 - - HYPH 28553 1628 3 lamps lamp NNS 28553 1628 4 usually usually RB 28553 1628 5 take take VBP 28553 1628 6 current current NN 28553 1628 7 of of IN 28553 1628 8 110 110 CD 28553 1628 9 or or CC 28553 1628 10 250 250 CD 28553 1628 11 volts volt NNS 28553 1628 12 pressure pressure NN 28553 1628 13 . . . 28553 1629 1 In in IN 28553 1629 2 arc arc NN 28553 1629 3 lamps lamp NNS 28553 1629 4 fed feed VBN 28553 1629 5 with with IN 28553 1629 6 direct direct JJ 28553 1629 7 current current NN 28553 1629 8 the the DT 28553 1629 9 tip tip NN 28553 1629 10 of of IN 28553 1629 11 the the DT 28553 1629 12 positive positive JJ 28553 1629 13 carbon carbon NN 28553 1629 14 has have VBZ 28553 1629 15 a a DT 28553 1629 16 bowl bowl NN 28553 1629 17 - - HYPH 28553 1629 18 shaped shape VBN 28553 1629 19 depression depression NN 28553 1629 20 worn wear VBN 28553 1629 21 in in IN 28553 1629 22 it -PRON- PRP 28553 1629 23 , , , 28553 1629 24 while while IN 28553 1629 25 the the DT 28553 1629 26 negative negative JJ 28553 1629 27 tip tip NN 28553 1629 28 is be VBZ 28553 1629 29 pointed point VBN 28553 1629 30 . . . 28553 1630 1 Most Most JJS 28553 1630 2 of of IN 28553 1630 3 the the DT 28553 1630 4 illumination illumination NN 28553 1630 5 comes come VBZ 28553 1630 6 from from IN 28553 1630 7 the the DT 28553 1630 8 inner inner JJ 28553 1630 9 surface surface NN 28553 1630 10 of of IN 28553 1630 11 the the DT 28553 1630 12 bowl bowl NN 28553 1630 13 , , , 28553 1630 14 and and CC 28553 1630 15 the the DT 28553 1630 16 positive positive JJ 28553 1630 17 carbon carbon NN 28553 1630 18 is be VBZ 28553 1630 19 therefore therefore RB 28553 1630 20 placed place VBN 28553 1630 21 uppermost uppermost RB 28553 1630 22 to to TO 28553 1630 23 throw throw VB 28553 1630 24 the the DT 28553 1630 25 light light NN 28553 1630 26 downwards downwards RB 28553 1630 27 . . . 28553 1631 1 An an DT 28553 1631 2 alternating alternate VBG 28553 1631 3 current current NN 28553 1631 4 , , , 28553 1631 5 of of IN 28553 1631 6 course course NN 28553 1631 7 , , , 28553 1631 8 affects affect VBZ 28553 1631 9 both both DT 28553 1631 10 carbons carbon NNS 28553 1631 11 in in IN 28553 1631 12 the the DT 28553 1631 13 same same JJ 28553 1631 14 manner manner NN 28553 1631 15 , , , 28553 1631 16 and and CC 28553 1631 17 there there EX 28553 1631 18 is be VBZ 28553 1631 19 no no DT 28553 1631 20 bowl bowl NN 28553 1631 21 . . . 28553 1632 1 The the DT 28553 1632 2 carbons carbon NNS 28553 1632 3 need need VBP 28553 1632 4 frequent frequent JJ 28553 1632 5 renewal renewal NN 28553 1632 6 . . . 28553 1633 1 A a DT 28553 1633 2 powerful powerful JJ 28553 1633 3 lamp lamp NN 28553 1633 4 uses use VBZ 28553 1633 5 about about RB 28553 1633 6 70 70 CD 28553 1633 7 feet foot NNS 28553 1633 8 of of IN 28553 1633 9 rod rod NN 28553 1633 10 in in IN 28553 1633 11 1,000 1,000 CD 28553 1633 12 hours hour NNS 28553 1633 13 if if IN 28553 1633 14 the the DT 28553 1633 15 arc arc NN 28553 1633 16 is be VBZ 28553 1633 17 exposed expose VBN 28553 1633 18 to to IN 28553 1633 19 the the DT 28553 1633 20 air air NN 28553 1633 21 . . . 28553 1634 1 Some some DT 28553 1634 2 lamps lamp NNS 28553 1634 3 have have VBP 28553 1634 4 partly partly RB 28553 1634 5 enclosed enclose VBN 28553 1634 6 arcs arc NNS 28553 1634 7 -- -- : 28553 1634 8 that that RB 28553 1634 9 is is RB 28553 1634 10 , , , 28553 1634 11 are be VBP 28553 1634 12 surrounded surround VBN 28553 1634 13 by by IN 28553 1634 14 globes globe NNS 28553 1634 15 perforated perforate VBN 28553 1634 16 by by IN 28553 1634 17 a a DT 28553 1634 18 single single JJ 28553 1634 19 small small JJ 28553 1634 20 hole hole NN 28553 1634 21 , , , 28553 1634 22 which which WDT 28553 1634 23 renders render VBZ 28553 1634 24 combustion combustion VBP 28553 1634 25 very very RB 28553 1634 26 slow slow JJ 28553 1634 27 , , , 28553 1634 28 though though IN 28553 1634 29 preventing prevent VBG 28553 1634 30 a a DT 28553 1634 31 vacuum vacuum NN 28553 1634 32 . . . 28553 1635 1 ELECTROPLATING ELECTROPLATING NNP 28553 1635 2 . . . 28553 1636 1 Electroplating electroplating NN 28553 1636 2 is be VBZ 28553 1636 3 the the DT 28553 1636 4 art art NN 28553 1636 5 of of IN 28553 1636 6 coating coat VBG 28553 1636 7 metals metal NNS 28553 1636 8 with with IN 28553 1636 9 metals metal NNS 28553 1636 10 by by IN 28553 1636 11 means mean NNS 28553 1636 12 of of IN 28553 1636 13 electricity electricity NN 28553 1636 14 . . . 28553 1637 1 Silver silver NN 28553 1637 2 , , , 28553 1637 3 copper copper NN 28553 1637 4 , , , 28553 1637 5 and and CC 28553 1637 6 nickel nickel NN 28553 1637 7 are be VBP 28553 1637 8 the the DT 28553 1637 9 metals metal NNS 28553 1637 10 most most RBS 28553 1637 11 generally generally RB 28553 1637 12 deposited deposit VBN 28553 1637 13 . . . 28553 1638 1 The the DT 28553 1638 2 article article NN 28553 1638 3 to to TO 28553 1638 4 be be VB 28553 1638 5 coated coat VBN 28553 1638 6 is be VBZ 28553 1638 7 suspended suspend VBN 28553 1638 8 in in IN 28553 1638 9 a a DT 28553 1638 10 chemical chemical NN 28553 1638 11 solution solution NN 28553 1638 12 of of IN 28553 1638 13 the the DT 28553 1638 14 metal metal NN 28553 1638 15 to to TO 28553 1638 16 be be VB 28553 1638 17 deposited deposit VBN 28553 1638 18 . . . 28553 1639 1 Fig fig NN 28553 1639 2 . . . 28553 1640 1 84 84 CD 28553 1640 2 shows show VBZ 28553 1640 3 a a DT 28553 1640 4 very very RB 28553 1640 5 simple simple JJ 28553 1640 6 plating plating NN 28553 1640 7 outfit outfit NN 28553 1640 8 . . . 28553 1641 1 A a DT 28553 1641 2 is be VBZ 28553 1641 3 a a DT 28553 1641 4 battery battery NN 28553 1641 5 ; ; : 28553 1641 6 B b NN 28553 1641 7 a a DT 28553 1641 8 vessel vessel NN 28553 1641 9 containing contain VBG 28553 1641 10 , , , 28553 1641 11 say say VB 28553 1641 12 , , , 28553 1641 13 an an DT 28553 1641 14 acidulated acidulate VBN 28553 1641 15 solution solution NN 28553 1641 16 of of IN 28553 1641 17 sulphate sulphate NN 28553 1641 18 of of IN 28553 1641 19 copper copper NN 28553 1641 20 . . . 28553 1642 1 A a DT 28553 1642 2 spoon spoon NN 28553 1642 3 , , , 28553 1642 4 S S NNP 28553 1642 5 , , , 28553 1642 6 hanging hang VBG 28553 1642 7 in in IN 28553 1642 8 this this DT 28553 1642 9 from from IN 28553 1642 10 a a DT 28553 1642 11 glass glass NN 28553 1642 12 rod rod NN 28553 1642 13 , , , 28553 1642 14 R r NN 28553 1642 15 , , , 28553 1642 16 is be VBZ 28553 1642 17 connected connect VBN 28553 1642 18 with with IN 28553 1642 19 the the DT 28553 1642 20 zinc zinc NN 28553 1642 21 or or CC 28553 1642 22 negative negative JJ 28553 1642 23 element element NN 28553 1642 24 , , , 28553 1642 25 Z Z NNP 28553 1642 26 , , , 28553 1642 27 of of IN 28553 1642 28 the the DT 28553 1642 29 battery battery NN 28553 1642 30 , , , 28553 1642 31 and and CC 28553 1642 32 a a DT 28553 1642 33 plate plate NN 28553 1642 34 of of IN 28553 1642 35 copper copper NN 28553 1642 36 , , , 28553 1642 37 P p NN 28553 1642 38 , , , 28553 1642 39 with with IN 28553 1642 40 the the DT 28553 1642 41 positive positive JJ 28553 1642 42 element element NN 28553 1642 43 , , , 28553 1642 44 C. C. NNP 28553 1642 45 Current Current NNP 28553 1642 46 flows flow VBZ 28553 1642 47 in in IN 28553 1642 48 the the DT 28553 1642 49 direction direction NN 28553 1642 50 shown show VBN 28553 1642 51 by by IN 28553 1642 52 the the DT 28553 1642 53 arrows arrow NNS 28553 1642 54 , , , 28553 1642 55 from from IN 28553 1642 56 Z z NN 28553 1642 57 to to IN 28553 1642 58 C c NN 28553 1642 59 , , , 28553 1642 60 C C NNP 28553 1642 61 to to IN 28553 1642 62 P p NN 28553 1642 63 , , , 28553 1642 64 P p NN 28553 1642 65 to to IN 28553 1642 66 S S NNP 28553 1642 67 , , , 28553 1642 68 S S NNP 28553 1642 69 to to IN 28553 1642 70 Z. Z. NNP 28553 1643 1 The the DT 28553 1643 2 copper copper NN 28553 1643 3 deposited deposit VBD 28553 1643 4 from from IN 28553 1643 5 the the DT 28553 1643 6 solution solution NN 28553 1643 7 on on IN 28553 1643 8 the the DT 28553 1643 9 spoon spoon NN 28553 1643 10 is be VBZ 28553 1643 11 replaced replace VBN 28553 1643 12 by by IN 28553 1643 13 gradual gradual JJ 28553 1643 14 dissolution dissolution NN 28553 1643 15 of of IN 28553 1643 16 the the DT 28553 1643 17 plate plate NN 28553 1643 18 , , , 28553 1643 19 so so IN 28553 1643 20 that that IN 28553 1643 21 the the DT 28553 1643 22 latter latter NN 28553 1643 23 serves serve VBZ 28553 1643 24 a a DT 28553 1643 25 double double JJ 28553 1643 26 purpose purpose NN 28553 1643 27 . . . 28553 1644 1 [ [ -LRB- 28553 1644 2 Illustration illustration NN 28553 1644 3 : : : 28553 1644 4 FIG FIG NNP 28553 1644 5 . . . 28553 1645 1 84.--An 84.--an CD 28553 1645 2 electroplating electroplating NN 28553 1645 3 outfit outfit NN 28553 1645 4 . . . 28553 1645 5 ] ] -RRB- 28553 1646 1 In in IN 28553 1646 2 silver silver NN 28553 1646 3 plating plating NN 28553 1646 4 , , , 28553 1646 5 P p NN 28553 1646 6 is be VBZ 28553 1646 7 of of IN 28553 1646 8 silver silver NN 28553 1646 9 , , , 28553 1646 10 and and CC 28553 1646 11 the the DT 28553 1646 12 solution solution NN 28553 1646 13 one one CD 28553 1646 14 of of IN 28553 1646 15 cyanide cyanide NN 28553 1646 16 of of IN 28553 1646 17 potassium potassium NN 28553 1646 18 and and CC 28553 1646 19 silver silver NN 28553 1646 20 salts salt NNS 28553 1646 21 . . . 28553 1647 1 Where where WRB 28553 1647 2 nickel nickel NN 28553 1647 3 or or CC 28553 1647 4 silver silver NN 28553 1647 5 has have VBZ 28553 1647 6 to to TO 28553 1647 7 be be VB 28553 1647 8 deposited deposit VBN 28553 1647 9 on on IN 28553 1647 10 iron iron NN 28553 1647 11 , , , 28553 1647 12 the the DT 28553 1647 13 article article NN 28553 1647 14 is be VBZ 28553 1647 15 often often RB 28553 1647 16 given give VBN 28553 1647 17 a a DT 28553 1647 18 preliminary preliminary JJ 28553 1647 19 coating coating NN 28553 1647 20 of of IN 28553 1647 21 copper copper NN 28553 1647 22 , , , 28553 1647 23 as as IN 28553 1647 24 iron iron NN 28553 1647 25 does do VBZ 28553 1647 26 not not RB 28553 1647 27 make make VB 28553 1647 28 a a DT 28553 1647 29 good good JJ 28553 1647 30 junction junction NN 28553 1647 31 with with IN 28553 1647 32 either either DT 28553 1647 33 of of IN 28553 1647 34 the the DT 28553 1647 35 first first JJ 28553 1647 36 two two CD 28553 1647 37 metals metal NNS 28553 1647 38 , , , 28553 1647 39 but but CC 28553 1647 40 has have VBZ 28553 1647 41 an an DT 28553 1647 42 affinity affinity NN 28553 1647 43 for for IN 28553 1647 44 copper copper NN 28553 1647 45 . . . 28553 1648 1 [ [ -LRB- 28553 1648 2 17 17 CD 28553 1648 3 ] ] -RRB- 28553 1648 4 From from IN 28553 1648 5 the the DT 28553 1648 6 Latin Latin NNP 28553 1648 7 _ _ NNP 28553 1648 8 commuto commuto NN 28553 1648 9 _ _ NNP 28553 1648 10 , , , 28553 1648 11 " " `` 28553 1648 12 I -PRON- PRP 28553 1648 13 exchange exchange VBP 28553 1648 14 . . . 28553 1648 15 " " '' 28553 1649 1 [ [ -LRB- 28553 1649 2 18 18 CD 28553 1649 3 ] ] -RRB- 28553 1649 4 Only only RB 28553 1649 5 the the DT 28553 1649 6 " " `` 28553 1649 7 drum drum NN 28553 1649 8 " " '' 28553 1649 9 type type NN 28553 1649 10 of of IN 28553 1649 11 armature armature NN 28553 1649 12 is be VBZ 28553 1649 13 treated treat VBN 28553 1649 14 here here RB 28553 1649 15 . . . 28553 1650 1 [ [ -LRB- 28553 1650 2 19 19 CD 28553 1650 3 ] ] -RRB- 28553 1650 4 This this DT 28553 1650 5 refers refer VBZ 28553 1650 6 to to IN 28553 1650 7 continuous continuous JJ 28553 1650 8 - - HYPH 28553 1650 9 current current JJ 28553 1650 10 dynamos dynamo NNS 28553 1650 11 only only RB 28553 1650 12 . . . 28553 1651 1 [ [ -LRB- 28553 1651 2 20 20 CD 28553 1651 3 ] ] -RRB- 28553 1651 4 The the DT 28553 1651 5 Robertson Robertson NNP 28553 1651 6 . . . 28553 1652 1 Chapter chapter NN 28553 1652 2 X. X. NNP 28553 1653 1 RAILWAY RAILWAY NNP 28553 1653 2 BRAKES brake NNS 28553 1653 3 . . . 28553 1654 1 The the DT 28553 1654 2 Vacuum Vacuum NNP 28553 1654 3 Automatic automatic JJ 28553 1654 4 brake brake NN 28553 1654 5 -- -- : 28553 1654 6 The the DT 28553 1654 7 Westinghouse Westinghouse NNP 28553 1654 8 air air NN 28553 1654 9 - - HYPH 28553 1654 10 brake brake NN 28553 1654 11 . . . 28553 1655 1 In in IN 28553 1655 2 the the DT 28553 1655 3 early early JJ 28553 1655 4 days day NNS 28553 1655 5 of of IN 28553 1655 6 the the DT 28553 1655 7 railway railway NN 28553 1655 8 , , , 28553 1655 9 the the DT 28553 1655 10 pulling pull VBG 28553 1655 11 up up RP 28553 1655 12 of of IN 28553 1655 13 a a DT 28553 1655 14 train train NN 28553 1655 15 necessitated necessitate VBD 28553 1655 16 the the DT 28553 1655 17 shutting shutting NN 28553 1655 18 off off RP 28553 1655 19 of of IN 28553 1655 20 steam steam NN 28553 1655 21 while while IN 28553 1655 22 the the DT 28553 1655 23 stopping stopping NN 28553 1655 24 - - HYPH 28553 1655 25 place place NN 28553 1655 26 was be VBD 28553 1655 27 still still RB 28553 1655 28 a a DT 28553 1655 29 great great JJ 28553 1655 30 distance distance NN 28553 1655 31 away away RB 28553 1655 32 . . . 28553 1656 1 The the DT 28553 1656 2 train train NN 28553 1656 3 gradually gradually RB 28553 1656 4 lost lose VBD 28553 1656 5 its -PRON- PRP$ 28553 1656 6 velocity velocity NN 28553 1656 7 , , , 28553 1656 8 the the DT 28553 1656 9 process process NN 28553 1656 10 being be VBG 28553 1656 11 hastened hasten VBN 28553 1656 12 to to IN 28553 1656 13 a a DT 28553 1656 14 comparatively comparatively RB 28553 1656 15 small small JJ 28553 1656 16 degree degree NN 28553 1656 17 by by IN 28553 1656 18 the the DT 28553 1656 19 screw screw VB 28553 1656 20 - - HYPH 28553 1656 21 down down RP 28553 1656 22 brakes brake NNS 28553 1656 23 on on IN 28553 1656 24 the the DT 28553 1656 25 engine engine NN 28553 1656 26 and and CC 28553 1656 27 guard guard NN 28553 1656 28 's 's POS 28553 1656 29 van van NNP 28553 1656 30 . . . 28553 1657 1 The the DT 28553 1657 2 goods good NNS 28553 1657 3 train train NN 28553 1657 4 of of IN 28553 1657 5 to to IN 28553 1657 6 - - HYPH 28553 1657 7 day day NN 28553 1657 8 in in IN 28553 1657 9 many many JJ 28553 1657 10 cases case NNS 28553 1657 11 still still RB 28553 1657 12 observes observe VBZ 28553 1657 13 this this DT 28553 1657 14 practice practice NN 28553 1657 15 , , , 28553 1657 16 long long JJ 28553 1657 17 obsolete obsolete JJ 28553 1657 18 in in IN 28553 1657 19 passenger passenger NN 28553 1657 20 traffic traffic NN 28553 1657 21 . . . 28553 1658 1 An an DT 28553 1658 2 advance advance NN 28553 1658 3 was be VBD 28553 1658 4 made make VBN 28553 1658 5 when when WRB 28553 1658 6 a a DT 28553 1658 7 chain chain NN 28553 1658 8 , , , 28553 1658 9 running run VBG 28553 1658 10 along along IN 28553 1658 11 the the DT 28553 1658 12 entire entire JJ 28553 1658 13 length length NN 28553 1658 14 of of IN 28553 1658 15 the the DT 28553 1658 16 train train NN 28553 1658 17 , , , 28553 1658 18 was be VBD 28553 1658 19 arranged arrange VBN 28553 1658 20 so so IN 28553 1658 21 as as IN 28553 1658 22 to to TO 28553 1658 23 pull pull VB 28553 1658 24 on on RP 28553 1658 25 subsidiary subsidiary NN 28553 1658 26 chains chain NNS 28553 1658 27 branching branch VBG 28553 1658 28 off off RP 28553 1658 29 under under IN 28553 1658 30 each each DT 28553 1658 31 carriage carriage NN 28553 1658 32 and and CC 28553 1658 33 operating operating NN 28553 1658 34 levers lever NNS 28553 1658 35 connected connect VBN 28553 1658 36 with with IN 28553 1658 37 brake brake NN 28553 1658 38 blocks block NNS 28553 1658 39 pressing press VBG 28553 1658 40 on on IN 28553 1658 41 every every DT 28553 1658 42 pair pair NN 28553 1658 43 of of IN 28553 1658 44 wheels wheel NNS 28553 1658 45 . . . 28553 1659 1 The the DT 28553 1659 2 guard guard NN 28553 1659 3 strained strain VBD 28553 1659 4 the the DT 28553 1659 5 main main JJ 28553 1659 6 chain chain NN 28553 1659 7 by by IN 28553 1659 8 means mean NNS 28553 1659 9 of of IN 28553 1659 10 a a DT 28553 1659 11 wheel wheel NN 28553 1659 12 gear gear NN 28553 1659 13 in in IN 28553 1659 14 his -PRON- PRP$ 28553 1659 15 van van NNP 28553 1659 16 . . . 28553 1660 1 This this DT 28553 1660 2 system system NN 28553 1660 3 was be VBD 28553 1660 4 , , , 28553 1660 5 however however RB 28553 1660 6 , , , 28553 1660 7 radically radically RB 28553 1660 8 defective defective JJ 28553 1660 9 , , , 28553 1660 10 since since IN 28553 1660 11 , , , 28553 1660 12 if if IN 28553 1660 13 any any DT 28553 1660 14 one one CD 28553 1660 15 branch branch NN 28553 1660 16 chain chain NN 28553 1660 17 was be VBD 28553 1660 18 shorter short JJR 28553 1660 19 than than IN 28553 1660 20 the the DT 28553 1660 21 rest rest NN 28553 1660 22 , , , 28553 1660 23 it -PRON- PRP 28553 1660 24 alone alone RB 28553 1660 25 would would MD 28553 1660 26 get get VB 28553 1660 27 the the DT 28553 1660 28 strain strain NN 28553 1660 29 . . . 28553 1661 1 Furthermore furthermore RB 28553 1661 2 , , , 28553 1661 3 it -PRON- PRP 28553 1661 4 is be VBZ 28553 1661 5 obvious obvious JJ 28553 1661 6 that that IN 28553 1661 7 the the DT 28553 1661 8 snapping snapping NN 28553 1661 9 of of IN 28553 1661 10 the the DT 28553 1661 11 main main JJ 28553 1661 12 chain chain NN 28553 1661 13 would would MD 28553 1661 14 render render VB 28553 1661 15 the the DT 28553 1661 16 whole whole JJ 28553 1661 17 arrangement arrangement NN 28553 1661 18 powerless powerless JJ 28553 1661 19 . . . 28553 1662 1 Accordingly accordingly RB 28553 1662 2 , , , 28553 1662 3 brakes brake NNS 28553 1662 4 operated operate VBN 28553 1662 5 by by IN 28553 1662 6 steam steam NN 28553 1662 7 were be VBD 28553 1662 8 tried try VBN 28553 1662 9 . . . 28553 1663 1 Under under IN 28553 1663 2 every every DT 28553 1663 3 carriage carriage NN 28553 1663 4 was be VBD 28553 1663 5 placed place VBN 28553 1663 6 a a DT 28553 1663 7 cylinder cylinder NN 28553 1663 8 , , , 28553 1663 9 in in IN 28553 1663 10 connection connection NN 28553 1663 11 with with IN 28553 1663 12 a a DT 28553 1663 13 main main JJ 28553 1663 14 steam steam NN 28553 1663 15 - - HYPH 28553 1663 16 pipe pipe NN 28553 1663 17 running run VBG 28553 1663 18 under under IN 28553 1663 19 the the DT 28553 1663 20 train train NN 28553 1663 21 . . . 28553 1664 1 When when WRB 28553 1664 2 the the DT 28553 1664 3 engineer engineer NN 28553 1664 4 wished wish VBD 28553 1664 5 to to TO 28553 1664 6 apply apply VB 28553 1664 7 the the DT 28553 1664 8 brakes brake NNS 28553 1664 9 , , , 28553 1664 10 he -PRON- PRP 28553 1664 11 turned turn VBD 28553 1664 12 high high JJ 28553 1664 13 - - HYPH 28553 1664 14 pressure pressure NN 28553 1664 15 steam steam NN 28553 1664 16 into into IN 28553 1664 17 the the DT 28553 1664 18 train train NN 28553 1664 19 pipe pipe NN 28553 1664 20 , , , 28553 1664 21 and and CC 28553 1664 22 the the DT 28553 1664 23 steam steam NN 28553 1664 24 , , , 28553 1664 25 passing pass VBG 28553 1664 26 into into IN 28553 1664 27 the the DT 28553 1664 28 brake brake NN 28553 1664 29 cylinders cylinder NNS 28553 1664 30 , , , 28553 1664 31 drove drive VBD 28553 1664 32 out out RB 28553 1664 33 in in IN 28553 1664 34 each each DT 28553 1664 35 a a DT 28553 1664 36 piston piston NN 28553 1664 37 operating operate VBG 28553 1664 38 the the DT 28553 1664 39 brake brake NN 28553 1664 40 gear gear NN 28553 1664 41 . . . 28553 1665 1 Unfortunately unfortunately RB 28553 1665 2 , , , 28553 1665 3 the the DT 28553 1665 4 steam steam NN 28553 1665 5 , , , 28553 1665 6 during during IN 28553 1665 7 its -PRON- PRP$ 28553 1665 8 passage passage NN 28553 1665 9 along along IN 28553 1665 10 the the DT 28553 1665 11 pipe pipe NN 28553 1665 12 , , , 28553 1665 13 was be VBD 28553 1665 14 condensed condense VBN 28553 1665 15 , , , 28553 1665 16 and and CC 28553 1665 17 in in IN 28553 1665 18 cold cold JJ 28553 1665 19 weather weather NN 28553 1665 20 failed fail VBD 28553 1665 21 to to TO 28553 1665 22 reach reach VB 28553 1665 23 the the DT 28553 1665 24 rear rear JJ 28553 1665 25 carriages carriage NNS 28553 1665 26 . . . 28553 1666 1 Water water NN 28553 1666 2 formed form VBN 28553 1666 3 in in IN 28553 1666 4 the the DT 28553 1666 5 pipes pipe NNS 28553 1666 6 , , , 28553 1666 7 and and CC 28553 1666 8 this this DT 28553 1666 9 was be VBD 28553 1666 10 liable liable JJ 28553 1666 11 to to TO 28553 1666 12 freeze freeze VB 28553 1666 13 . . . 28553 1667 1 If if IN 28553 1667 2 the the DT 28553 1667 3 train train NN 28553 1667 4 parted part VBD 28553 1667 5 accidentally accidentally RB 28553 1667 6 , , , 28553 1667 7 the the DT 28553 1667 8 apparatus apparatus NN 28553 1667 9 of of IN 28553 1667 10 course course NN 28553 1667 11 broke break VBD 28553 1667 12 down down RP 28553 1667 13 . . . 28553 1668 1 Hydraulic hydraulic JJ 28553 1668 2 brakes brake NNS 28553 1668 3 have have VBP 28553 1668 4 been be VBN 28553 1668 5 tried try VBN 28553 1668 6 ; ; : 28553 1668 7 but but CC 28553 1668 8 these these DT 28553 1668 9 are be VBP 28553 1668 10 open open JJ 28553 1668 11 to to IN 28553 1668 12 several several JJ 28553 1668 13 objections objection NNS 28553 1668 14 ; ; : 28553 1668 15 and and CC 28553 1668 16 railway railway NN 28553 1668 17 engineers engineer NNS 28553 1668 18 now now RB 28553 1668 19 make make VBP 28553 1668 20 use use NN 28553 1668 21 of of IN 28553 1668 22 air air NN 28553 1668 23 - - HYPH 28553 1668 24 pressure pressure NN 28553 1668 25 as as IN 28553 1668 26 the the DT 28553 1668 27 most most RBS 28553 1668 28 suitable suitable JJ 28553 1668 29 form form NN 28553 1668 30 of of IN 28553 1668 31 power power NN 28553 1668 32 . . . 28553 1669 1 Whatever whatever WDT 28553 1669 2 air air NN 28553 1669 3 system system NN 28553 1669 4 be be VB 28553 1669 5 adopted adopt VBN 28553 1669 6 , , , 28553 1669 7 experience experience NN 28553 1669 8 has have VBZ 28553 1669 9 shown show VBN 28553 1669 10 that that IN 28553 1669 11 three three CD 28553 1669 12 features feature NNS 28553 1669 13 are be VBP 28553 1669 14 essential:--(1 essential:--(1 JJ 28553 1669 15 . . . 28553 1669 16 ) ) -RRB- 28553 1670 1 The the DT 28553 1670 2 brakes brake NNS 28553 1670 3 must must MD 28553 1670 4 be be VB 28553 1670 5 kept keep VBN 28553 1670 6 " " `` 28553 1670 7 off off RB 28553 1670 8 " " '' 28553 1670 9 artificially artificially RB 28553 1670 10 . . . 28553 1671 1 ( ( -LRB- 28553 1671 2 2 2 CD 28553 1671 3 . . . 28553 1671 4 ) ) -RRB- 28553 1672 1 In in IN 28553 1672 2 case case NN 28553 1672 3 of of IN 28553 1672 4 the the DT 28553 1672 5 train train NN 28553 1672 6 parting part VBG 28553 1672 7 accidentally accidentally RB 28553 1672 8 , , , 28553 1672 9 the the DT 28553 1672 10 brakes brake NNS 28553 1672 11 must must MD 28553 1672 12 be be VB 28553 1672 13 applied apply VBN 28553 1672 14 automatically automatically RB 28553 1672 15 , , , 28553 1672 16 and and CC 28553 1672 17 quickly quickly RB 28553 1672 18 bring bring VB 28553 1672 19 all all PDT 28553 1672 20 the the DT 28553 1672 21 vehicles vehicle NNS 28553 1672 22 of of IN 28553 1672 23 the the DT 28553 1672 24 train train NN 28553 1672 25 to to IN 28553 1672 26 a a DT 28553 1672 27 standstill standstill NN 28553 1672 28 . . . 28553 1673 1 ( ( -LRB- 28553 1673 2 3 3 CD 28553 1673 3 . . . 28553 1673 4 ) ) -RRB- 28553 1674 1 It -PRON- PRP 28553 1674 2 must must MD 28553 1674 3 be be VB 28553 1674 4 possible possible JJ 28553 1674 5 to to TO 28553 1674 6 apply apply VB 28553 1674 7 the the DT 28553 1674 8 brakes brake NNS 28553 1674 9 with with IN 28553 1674 10 greater great JJR 28553 1674 11 or or CC 28553 1674 12 less less JJR 28553 1674 13 force force NN 28553 1674 14 , , , 28553 1674 15 according accord VBG 28553 1674 16 to to IN 28553 1674 17 the the DT 28553 1674 18 needs need NNS 28553 1674 19 of of IN 28553 1674 20 the the DT 28553 1674 21 case case NN 28553 1674 22 . . . 28553 1675 1 At at IN 28553 1675 2 the the DT 28553 1675 3 present present JJ 28553 1675 4 day day NN 28553 1675 5 one one CD 28553 1675 6 or or CC 28553 1675 7 other other JJ 28553 1675 8 of of IN 28553 1675 9 two two CD 28553 1675 10 systems system NNS 28553 1675 11 is be VBZ 28553 1675 12 used use VBN 28553 1675 13 on on IN 28553 1675 14 practically practically RB 28553 1675 15 all all DT 28553 1675 16 automatically automatically RB 28553 1675 17 - - HYPH 28553 1675 18 braked braked JJ 28553 1675 19 cars car NNS 28553 1675 20 and and CC 28553 1675 21 coaches coach NNS 28553 1675 22 . . . 28553 1676 1 These these DT 28553 1676 2 are be VBP 28553 1676 3 known know VBN 28553 1676 4 as--(1 as--(1 NNP 28553 1676 5 ) ) -RRB- 28553 1676 6 The the DT 28553 1676 7 _ _ NNP 28553 1676 8 vacuum vacuum NN 28553 1676 9 automatic automatic JJ 28553 1676 10 _ _ NNP 28553 1676 11 , , , 28553 1676 12 using use VBG 28553 1676 13 the the DT 28553 1676 14 pressure pressure NN 28553 1676 15 of of IN 28553 1676 16 the the DT 28553 1676 17 atmosphere atmosphere NN 28553 1676 18 on on IN 28553 1676 19 a a DT 28553 1676 20 piston piston NN 28553 1676 21 from from IN 28553 1676 22 the the DT 28553 1676 23 other other JJ 28553 1676 24 side side NN 28553 1676 25 of of IN 28553 1676 26 which which WDT 28553 1676 27 air air NN 28553 1676 28 has have VBZ 28553 1676 29 been be VBN 28553 1676 30 mechanically mechanically RB 28553 1676 31 exhausted exhaust VBN 28553 1676 32 ; ; : 28553 1676 33 and and CC 28553 1676 34 ( ( -LRB- 28553 1676 35 2 2 LS 28553 1676 36 ) ) -RRB- 28553 1676 37 the the DT 28553 1676 38 _ _ NNP 28553 1676 39 Westinghouse Westinghouse NNP 28553 1676 40 automatic automatic JJ 28553 1676 41 _ _ NNP 28553 1676 42 , , , 28553 1676 43 using use VBG 28553 1676 44 compressed compress VBN 28553 1676 45 air air NN 28553 1676 46 . . . 28553 1677 1 The the DT 28553 1677 2 action action NN 28553 1677 3 of of IN 28553 1677 4 these these DT 28553 1677 5 brakes brake NNS 28553 1677 6 will will MD 28553 1677 7 now now RB 28553 1677 8 be be VB 28553 1677 9 explained explain VBN 28553 1677 10 as as RB 28553 1677 11 simply simply RB 28553 1677 12 as as IN 28553 1677 13 possible possible JJ 28553 1677 14 . . . 28553 1678 1 THE the DT 28553 1678 2 VACUUM VACUUM NNP 28553 1678 3 AUTOMATIC automatic JJ 28553 1678 4 BRAKE brake NN 28553 1678 5 . . . 28553 1679 1 Under under IN 28553 1679 2 each each DT 28553 1679 3 carriage carriage NN 28553 1679 4 is be VBZ 28553 1679 5 a a DT 28553 1679 6 vacuum vacuum NN 28553 1679 7 chamber chamber NN 28553 1679 8 ( ( -LRB- 28553 1679 9 Fig fig NN 28553 1679 10 . . . 28553 1680 1 85 85 CD 28553 1680 2 ) ) -RRB- 28553 1680 3 riding ride VBG 28553 1680 4 on on IN 28553 1680 5 trunnions trunnion NNS 28553 1680 6 , , , 28553 1680 7 E e NN 28553 1680 8 E e NN 28553 1680 9 , , , 28553 1680 10 so so IN 28553 1680 11 that that IN 28553 1680 12 it -PRON- PRP 28553 1680 13 may may MD 28553 1680 14 swing swing VB 28553 1680 15 a a DT 28553 1680 16 little little JJ 28553 1680 17 when when WRB 28553 1680 18 the the DT 28553 1680 19 brakes brake NNS 28553 1680 20 are be VBP 28553 1680 21 applied apply VBN 28553 1680 22 . . . 28553 1681 1 Inside inside IN 28553 1681 2 the the DT 28553 1681 3 chamber chamber NN 28553 1681 4 is be VBZ 28553 1681 5 a a DT 28553 1681 6 cylinder cylinder NN 28553 1681 7 , , , 28553 1681 8 the the DT 28553 1681 9 piston piston NN 28553 1681 10 of of IN 28553 1681 11 which which WDT 28553 1681 12 is be VBZ 28553 1681 13 rendered render VBN 28553 1681 14 air air NN 28553 1681 15 - - HYPH 28553 1681 16 tight tight JJ 28553 1681 17 by by IN 28553 1681 18 a a DT 28553 1681 19 rubber rubber NN 28553 1681 20 ring ring NN 28553 1681 21 rolling rolling NN 28553 1681 22 between between IN 28553 1681 23 it -PRON- PRP 28553 1681 24 and and CC 28553 1681 25 the the DT 28553 1681 26 cylinder cylinder NN 28553 1681 27 walls wall NNS 28553 1681 28 . . . 28553 1682 1 The the DT 28553 1682 2 piston piston NN 28553 1682 3 rod rod NN 28553 1682 4 works work VBZ 28553 1682 5 through through IN 28553 1682 6 an an DT 28553 1682 7 air air NN 28553 1682 8 - - HYPH 28553 1682 9 tight tight JJ 28553 1682 10 stuffing stuffing NN 28553 1682 11 - - HYPH 28553 1682 12 box box NN 28553 1682 13 in in IN 28553 1682 14 the the DT 28553 1682 15 bottom bottom NN 28553 1682 16 of of IN 28553 1682 17 the the DT 28553 1682 18 casing casing NN 28553 1682 19 , , , 28553 1682 20 and and CC 28553 1682 21 when when WRB 28553 1682 22 it -PRON- PRP 28553 1682 23 rises rise VBZ 28553 1682 24 operates operate VBZ 28553 1682 25 the the DT 28553 1682 26 brake brake NN 28553 1682 27 rods rod NNS 28553 1682 28 . . . 28553 1683 1 It -PRON- PRP 28553 1683 2 is be VBZ 28553 1683 3 obvious obvious JJ 28553 1683 4 that that IN 28553 1683 5 if if IN 28553 1683 6 air air NN 28553 1683 7 is be VBZ 28553 1683 8 exhausted exhaust VBN 28553 1683 9 from from IN 28553 1683 10 both both DT 28553 1683 11 sides side NNS 28553 1683 12 of of IN 28553 1683 13 the the DT 28553 1683 14 piston piston NN 28553 1683 15 at at IN 28553 1683 16 once once RB 28553 1683 17 , , , 28553 1683 18 the the DT 28553 1683 19 piston piston NN 28553 1683 20 will will MD 28553 1683 21 sink sink VB 28553 1683 22 by by IN 28553 1683 23 reason reason NN 28553 1683 24 of of IN 28553 1683 25 its -PRON- PRP$ 28553 1683 26 own own JJ 28553 1683 27 weight weight NN 28553 1683 28 and and CC 28553 1683 29 that that DT 28553 1683 30 of of IN 28553 1683 31 its -PRON- PRP$ 28553 1683 32 attachments attachment NNS 28553 1683 33 . . . 28553 1684 1 If if IN 28553 1684 2 air air NN 28553 1684 3 is be VBZ 28553 1684 4 now now RB 28553 1684 5 admitted admit VBN 28553 1684 6 below below IN 28553 1684 7 the the DT 28553 1684 8 piston piston NN 28553 1684 9 , , , 28553 1684 10 the the DT 28553 1684 11 latter latter JJ 28553 1684 12 will will MD 28553 1684 13 be be VB 28553 1684 14 pushed push VBN 28553 1684 15 upwards upwards RB 28553 1684 16 with with IN 28553 1684 17 a a DT 28553 1684 18 maximum maximum JJ 28553 1684 19 pressure pressure NN 28553 1684 20 of of IN 28553 1684 21 15 15 CD 28553 1684 22 lbs lb NNS 28553 1684 23 . . . 28553 1685 1 to to IN 28553 1685 2 the the DT 28553 1685 3 square square JJ 28553 1685 4 inch inch NN 28553 1685 5 . . . 28553 1686 1 The the DT 28553 1686 2 ball ball NN 28553 1686 3 - - HYPH 28553 1686 4 valve valve NN 28553 1686 5 ensures ensure VBZ 28553 1686 6 that that IN 28553 1686 7 while while IN 28553 1686 8 air air NN 28553 1686 9 can can MD 28553 1686 10 be be VB 28553 1686 11 sucked suck VBN 28553 1686 12 from from IN 28553 1686 13 _ _ NNP 28553 1686 14 both both DT 28553 1686 15 _ _ NNP 28553 1686 16 sides side NNS 28553 1686 17 of of IN 28553 1686 18 the the DT 28553 1686 19 piston piston NN 28553 1686 20 , , , 28553 1686 21 it -PRON- PRP 28553 1686 22 can can MD 28553 1686 23 be be VB 28553 1686 24 admitted admit VBN 28553 1686 25 to to IN 28553 1686 26 the the DT 28553 1686 27 lower low JJR 28553 1686 28 side side NN 28553 1686 29 only only RB 28553 1686 30 . . . 28553 1687 1 [ [ -LRB- 28553 1687 2 Illustration illustration NN 28553 1687 3 : : : 28553 1687 4 FIG FIG NNP 28553 1687 5 . . . 28553 1688 1 85.--Vacuum 85.--vacuum CD 28553 1688 2 brake brake NN 28553 1688 3 " " '' 28553 1688 4 off off RP 28553 1688 5 . . . 28553 1688 6 " " '' 28553 1688 7 ] ] -RRB- 28553 1689 1 [ [ -LRB- 28553 1689 2 Illustration illustration NN 28553 1689 3 : : : 28553 1689 4 FIG FIG NNP 28553 1689 5 . . . 28553 1690 1 86.--Vacuum 86.--vacuum CD 28553 1690 2 brake brake NN 28553 1690 3 " " '' 28553 1690 4 on on RB 28553 1690 5 . . . 28553 1690 6 " " '' 28553 1690 7 ] ] -RRB- 28553 1691 1 Let let VB 28553 1691 2 us -PRON- PRP 28553 1691 3 imagine imagine VB 28553 1691 4 that that IN 28553 1691 5 a a DT 28553 1691 6 train train NN 28553 1691 7 has have VBZ 28553 1691 8 been be VBN 28553 1691 9 standing stand VBG 28553 1691 10 in in IN 28553 1691 11 a a DT 28553 1691 12 siding siding NN 28553 1691 13 , , , 28553 1691 14 and and CC 28553 1691 15 that that DT 28553 1691 16 air air NN 28553 1691 17 has have VBZ 28553 1691 18 gradually gradually RB 28553 1691 19 filled fill VBN 28553 1691 20 the the DT 28553 1691 21 vacuum vacuum NN 28553 1691 22 chamber chamber NN 28553 1691 23 by by IN 28553 1691 24 leakage leakage NN 28553 1691 25 . . . 28553 1692 1 The the DT 28553 1692 2 engine engine NN 28553 1692 3 is be VBZ 28553 1692 4 coupled couple VBN 28553 1692 5 on on IN 28553 1692 6 , , , 28553 1692 7 and and CC 28553 1692 8 the the DT 28553 1692 9 driver driver NN 28553 1692 10 at at IN 28553 1692 11 once once RB 28553 1692 12 turns turn VBZ 28553 1692 13 on on IN 28553 1692 14 the the DT 28553 1692 15 steam steam NN 28553 1692 16 ejector,[21 ejector,[21 NNP 28553 1692 17 ] ] -RRB- 28553 1692 18 which which WDT 28553 1692 19 sucks suck VBZ 28553 1692 20 all all PDT 28553 1692 21 the the DT 28553 1692 22 air air NN 28553 1692 23 out out IN 28553 1692 24 of of IN 28553 1692 25 the the DT 28553 1692 26 pipes pipe NNS 28553 1692 27 and and CC 28553 1692 28 chambers chamber NNS 28553 1692 29 throughout throughout IN 28553 1692 30 the the DT 28553 1692 31 train train NN 28553 1692 32 . . . 28553 1693 1 The the DT 28553 1693 2 air air NN 28553 1693 3 is be VBZ 28553 1693 4 sucked suck VBN 28553 1693 5 directly directly RB 28553 1693 6 from from IN 28553 1693 7 the the DT 28553 1693 8 under under JJ 28553 1693 9 side side NN 28553 1693 10 of of IN 28553 1693 11 the the DT 28553 1693 12 piston piston NN 28553 1693 13 through through IN 28553 1693 14 pipe pipe NN 28553 1693 15 D d NN 28553 1693 16 ; ; : 28553 1693 17 and and CC 28553 1693 18 from from IN 28553 1693 19 the the DT 28553 1693 20 space space NN 28553 1693 21 A A NNP 28553 1693 22 A A NNP 28553 1693 23 and and CC 28553 1693 24 the the DT 28553 1693 25 cylinder cylinder NN 28553 1693 26 ( ( -LRB- 28553 1693 27 open open JJ 28553 1693 28 at at IN 28553 1693 29 the the DT 28553 1693 30 top top NN 28553 1693 31 ) ) -RRB- 28553 1693 32 through through IN 28553 1693 33 the the DT 28553 1693 34 channel channel NNP 28553 1693 35 C C NNP 28553 1693 36 , , , 28553 1693 37 lifting lift VBG 28553 1693 38 the the DT 28553 1693 39 ball ball NN 28553 1693 40 , , , 28553 1693 41 which which WDT 28553 1693 42 , , , 28553 1693 43 as as RB 28553 1693 44 soon soon RB 28553 1693 45 as as IN 28553 1693 46 exhaustion exhaustion NN 28553 1693 47 is be VBZ 28553 1693 48 complete complete JJ 28553 1693 49 , , , 28553 1693 50 or or CC 28553 1693 51 when when WRB 28553 1693 52 the the DT 28553 1693 53 pressure pressure NN 28553 1693 54 on on IN 28553 1693 55 both both DT 28553 1693 56 sides side NNS 28553 1693 57 of of IN 28553 1693 58 the the DT 28553 1693 59 piston piston NN 28553 1693 60 is be VBZ 28553 1693 61 equal equal JJ 28553 1693 62 , , , 28553 1693 63 falls fall VBZ 28553 1693 64 back back RB 28553 1693 65 on on IN 28553 1693 66 its -PRON- PRP$ 28553 1693 67 seat seat NN 28553 1693 68 . . . 28553 1694 1 On on IN 28553 1694 2 air air NN 28553 1694 3 being be VBG 28553 1694 4 admitted admit VBN 28553 1694 5 to to IN 28553 1694 6 the the DT 28553 1694 7 train train NN 28553 1694 8 pipe pipe NN 28553 1694 9 , , , 28553 1694 10 it -PRON- PRP 28553 1694 11 rushes rush VBZ 28553 1694 12 through through IN 28553 1694 13 D d NN 28553 1694 14 and and CC 28553 1694 15 into into IN 28553 1694 16 the the DT 28553 1694 17 space space NN 28553 1694 18 B b NN 28553 1694 19 ( ( -LRB- 28553 1694 20 Fig fig NN 28553 1694 21 . . . 28553 1695 1 86 86 CD 28553 1695 2 ) ) -RRB- 28553 1695 3 below below IN 28553 1695 4 the the DT 28553 1695 5 piston piston NN 28553 1695 6 , , , 28553 1695 7 but but CC 28553 1695 8 is be VBZ 28553 1695 9 unable unable JJ 28553 1695 10 to to TO 28553 1695 11 pass pass VB 28553 1695 12 the the DT 28553 1695 13 ball ball NN 28553 1695 14 , , , 28553 1695 15 so so IN 28553 1695 16 that that IN 28553 1695 17 a a DT 28553 1695 18 strong strong JJ 28553 1695 19 upward upward JJ 28553 1695 20 pressure pressure NN 28553 1695 21 is be VBZ 28553 1695 22 exerted exert VBN 28553 1695 23 on on IN 28553 1695 24 the the DT 28553 1695 25 piston piston NN 28553 1695 26 , , , 28553 1695 27 and and CC 28553 1695 28 the the DT 28553 1695 29 brakes brake NNS 28553 1695 30 go go VBP 28553 1695 31 on on RP 28553 1695 32 . . . 28553 1696 1 To to TO 28553 1696 2 throw throw VB 28553 1696 3 them -PRON- PRP 28553 1696 4 off off RP 28553 1696 5 , , , 28553 1696 6 the the DT 28553 1696 7 space space NN 28553 1696 8 below below IN 28553 1696 9 the the DT 28553 1696 10 piston piston NN 28553 1696 11 must must MD 28553 1696 12 be be VB 28553 1696 13 exhausted exhaust VBN 28553 1696 14 . . . 28553 1697 1 This this DT 28553 1697 2 is be VBZ 28553 1697 3 to to TO 28553 1697 4 be be VB 28553 1697 5 noted note VBN 28553 1697 6 : : : 28553 1697 7 If if IN 28553 1697 8 there there EX 28553 1697 9 is be VBZ 28553 1697 10 a a DT 28553 1697 11 leak leak NN 28553 1697 12 , , , 28553 1697 13 as as IN 28553 1697 14 in in IN 28553 1697 15 the the DT 28553 1697 16 case case NN 28553 1697 17 of of IN 28553 1697 18 the the DT 28553 1697 19 train train NN 28553 1697 20 parting parting NN 28553 1697 21 , , , 28553 1697 22 _ _ NNP 28553 1697 23 the the DT 28553 1697 24 brakes brake NNS 28553 1697 25 go go VBP 28553 1697 26 on on RP 28553 1697 27 at at IN 28553 1697 28 once once RB 28553 1697 29 _ _ NNP 28553 1697 30 , , , 28553 1697 31 since since IN 28553 1697 32 the the DT 28553 1697 33 vacuum vacuum NN 28553 1697 34 below below IN 28553 1697 35 the the DT 28553 1697 36 piston piston NN 28553 1697 37 is be VBZ 28553 1697 38 automatically automatically RB 28553 1697 39 broken break VBN 28553 1697 40 . . . 28553 1698 1 [ [ -LRB- 28553 1698 2 Illustration illustration NN 28553 1698 3 : : : 28553 1698 4 FIG FIG NNP 28553 1698 5 . . . 28553 1699 1 87.--Guard 87.--Guard NNP 28553 1699 2 's 's POS 28553 1699 3 valve valve NN 28553 1699 4 for for IN 28553 1699 5 applying apply VBG 28553 1699 6 the the DT 28553 1699 7 Vacuum Vacuum NNP 28553 1699 8 brake brake NN 28553 1699 9 . . . 28553 1699 10 ] ] -RRB- 28553 1700 1 For for IN 28553 1700 2 ordinary ordinary JJ 28553 1700 3 stops stop NNS 28553 1700 4 the the DT 28553 1700 5 vacuum vacuum NN 28553 1700 6 is be VBZ 28553 1700 7 only only RB 28553 1700 8 partially partially RB 28553 1700 9 broken break VBN 28553 1700 10 -- -- : 28553 1700 11 that that RB 28553 1700 12 is is RB 28553 1700 13 , , , 28553 1700 14 an an DT 28553 1700 15 air air NN 28553 1700 16 - - HYPH 28553 1700 17 pressure pressure NN 28553 1700 18 of of IN 28553 1700 19 but but CC 28553 1700 20 from from IN 28553 1700 21 5 5 CD 28553 1700 22 to to TO 28553 1700 23 10 10 CD 28553 1700 24 lbs lb NNS 28553 1700 25 . . . 28553 1701 1 per per IN 28553 1701 2 square square JJ 28553 1701 3 inch inch NN 28553 1701 4 is be VBZ 28553 1701 5 admitted admit VBN 28553 1701 6 . . . 28553 1702 1 For for IN 28553 1702 2 emergency emergency NN 28553 1702 3 stops stop VBZ 28553 1702 4 full full JJ 28553 1702 5 atmospheric atmospheric JJ 28553 1702 6 pressure pressure NN 28553 1702 7 is be VBZ 28553 1702 8 used use VBN 28553 1702 9 . . . 28553 1703 1 In in IN 28553 1703 2 this this DT 28553 1703 3 case case NN 28553 1703 4 it -PRON- PRP 28553 1703 5 is be VBZ 28553 1703 6 advisable advisable JJ 28553 1703 7 that that IN 28553 1703 8 air air NN 28553 1703 9 should should MD 28553 1703 10 enter enter VB 28553 1703 11 at at IN 28553 1703 12 _ _ NNP 28553 1703 13 both both DT 28553 1703 14 _ _ NNP 28553 1703 15 ends end NNS 28553 1703 16 of of IN 28553 1703 17 the the DT 28553 1703 18 train train NN 28553 1703 19 ; ; : 28553 1703 20 so so RB 28553 1703 21 in in IN 28553 1703 22 the the DT 28553 1703 23 guard guard NN 28553 1703 24 's 's POS 28553 1703 25 van van NNP 28553 1703 26 there there EX 28553 1703 27 is be VBZ 28553 1703 28 installed instal VBN 28553 1703 29 an an DT 28553 1703 30 ingenious ingenious JJ 28553 1703 31 automatic automatic JJ 28553 1703 32 valve valve NN 28553 1703 33 , , , 28553 1703 34 which which WDT 28553 1703 35 can can MD 28553 1703 36 at at IN 28553 1703 37 any any DT 28553 1703 38 time time NN 28553 1703 39 be be VB 28553 1703 40 opened open VBN 28553 1703 41 by by IN 28553 1703 42 the the DT 28553 1703 43 guard guard NN 28553 1703 44 pressing press VBG 28553 1703 45 down down IN 28553 1703 46 a a DT 28553 1703 47 lever lever NN 28553 1703 48 , , , 28553 1703 49 but but CC 28553 1703 50 which which WDT 28553 1703 51 opens open VBZ 28553 1703 52 of of IN 28553 1703 53 itself -PRON- PRP 28553 1703 54 when when WRB 28553 1703 55 the the DT 28553 1703 56 train train NN 28553 1703 57 - - HYPH 28553 1703 58 pipe pipe NN 28553 1703 59 vacuum vacuum NN 28553 1703 60 is be VBZ 28553 1703 61 rapidly rapidly RB 28553 1703 62 destroyed destroy VBN 28553 1703 63 . . . 28553 1704 1 Fig fig NN 28553 1704 2 . . . 28553 1705 1 87 87 CD 28553 1705 2 shows show VBZ 28553 1705 3 this this DT 28553 1705 4 device device NN 28553 1705 5 in in IN 28553 1705 6 section section NN 28553 1705 7 . . . 28553 1706 1 Seated seat VBN 28553 1706 2 on on IN 28553 1706 3 the the DT 28553 1706 4 top top NN 28553 1706 5 of of IN 28553 1706 6 an an DT 28553 1706 7 upright upright JJ 28553 1706 8 pipe pipe NN 28553 1706 9 is be VBZ 28553 1706 10 a a DT 28553 1706 11 valve valve NN 28553 1706 12 , , , 28553 1706 13 _ _ NNP 28553 1706 14 A A NNP 28553 1706 15 _ _ NNP 28553 1706 16 , , , 28553 1706 17 connected connect VBN 28553 1706 18 by by IN 28553 1706 19 a a DT 28553 1706 20 bolt bolt NN 28553 1706 21 , , , 28553 1706 22 B b NN 28553 1706 23 , , , 28553 1706 24 to to IN 28553 1706 25 an an DT 28553 1706 26 elastic elastic JJ 28553 1706 27 diaphragm diaphragm NN 28553 1706 28 , , , 28553 1706 29 C C NNP 28553 1706 30 , , , 28553 1706 31 sealing seal VBG 28553 1706 32 the the DT 28553 1706 33 bottom bottom NN 28553 1706 34 of of IN 28553 1706 35 the the DT 28553 1706 36 chamber chamber NN 28553 1706 37 D. D. NNP 28553 1706 38 The the DT 28553 1706 39 bolt bolt NN 28553 1706 40 B b NN 28553 1706 41 has have VBZ 28553 1706 42 a a DT 28553 1706 43 very very RB 28553 1706 44 small small JJ 28553 1706 45 hole hole NN 28553 1706 46 bored bore VBD 28553 1706 47 through through IN 28553 1706 48 it -PRON- PRP 28553 1706 49 from from IN 28553 1706 50 end end NN 28553 1706 51 to to IN 28553 1706 52 end end NN 28553 1706 53 . . . 28553 1707 1 When when WRB 28553 1707 2 the the DT 28553 1707 3 vacuum vacuum NN 28553 1707 4 is be VBZ 28553 1707 5 broken break VBN 28553 1707 6 slowly slowly RB 28553 1707 7 , , , 28553 1707 8 the the DT 28553 1707 9 pressure pressure NN 28553 1707 10 falls fall VBZ 28553 1707 11 in in IN 28553 1707 12 D D NNP 28553 1707 13 as as RB 28553 1707 14 fast fast RB 28553 1707 15 as as IN 28553 1707 16 in in IN 28553 1707 17 the the DT 28553 1707 18 pipe pipe NN 28553 1707 19 ; ; : 28553 1707 20 but but CC 28553 1707 21 a a DT 28553 1707 22 sudden sudden JJ 28553 1707 23 inrush inrush NN 28553 1707 24 of of IN 28553 1707 25 air air NN 28553 1707 26 causes cause VBZ 28553 1707 27 the the DT 28553 1707 28 valve valve NN 28553 1707 29 A a NN 28553 1707 30 to to TO 28553 1707 31 be be VB 28553 1707 32 pulled pull VBN 28553 1707 33 off off RP 28553 1707 34 its -PRON- PRP$ 28553 1707 35 seat seat NN 28553 1707 36 by by IN 28553 1707 37 the the DT 28553 1707 38 diaphragm diaphragm JJ 28553 1707 39 C C NNP 28553 1707 40 , , , 28553 1707 41 as as IN 28553 1707 42 the the DT 28553 1707 43 vacuum vacuum NN 28553 1707 44 in in IN 28553 1707 45 D d NN 28553 1707 46 has have VBZ 28553 1707 47 not not RB 28553 1707 48 been be VBN 28553 1707 49 broken break VBN 28553 1707 50 to to IN 28553 1707 51 any any DT 28553 1707 52 appreciable appreciable JJ 28553 1707 53 extent extent NN 28553 1707 54 . . . 28553 1708 1 Air air NN 28553 1708 2 then then RB 28553 1708 3 rushes rush VBZ 28553 1708 4 into into IN 28553 1708 5 the the DT 28553 1708 6 train train NN 28553 1708 7 pipe pipe NN 28553 1708 8 through through IN 28553 1708 9 the the DT 28553 1708 10 valve valve NN 28553 1708 11 . . . 28553 1709 1 It -PRON- PRP 28553 1709 2 is be VBZ 28553 1709 3 thus thus RB 28553 1709 4 evident evident JJ 28553 1709 5 that that IN 28553 1709 6 the the DT 28553 1709 7 driver driver NN 28553 1709 8 controls control VBZ 28553 1709 9 this this DT 28553 1709 10 valve valve NN 28553 1709 11 as as RB 28553 1709 12 effectively effectively RB 28553 1709 13 as as IN 28553 1709 14 if if IN 28553 1709 15 it -PRON- PRP 28553 1709 16 were be VBD 28553 1709 17 on on IN 28553 1709 18 the the DT 28553 1709 19 engine engine NN 28553 1709 20 . . . 28553 1710 1 These these DT 28553 1710 2 " " `` 28553 1710 3 emergency emergency NN 28553 1710 4 " " '' 28553 1710 5 valves valve NNS 28553 1710 6 are be VBP 28553 1710 7 sometimes sometimes RB 28553 1710 8 fitted fit VBN 28553 1710 9 to to IN 28553 1710 10 every every DT 28553 1710 11 vehicle vehicle NN 28553 1710 12 of of IN 28553 1710 13 a a DT 28553 1710 14 train train NN 28553 1710 15 . . . 28553 1711 1 When when WRB 28553 1711 2 a a DT 28553 1711 3 carriage carriage NN 28553 1711 4 is be VBZ 28553 1711 5 slipped slip VBN 28553 1711 6 , , , 28553 1711 7 taps tap NNS 28553 1711 8 on on IN 28553 1711 9 each each DT 28553 1711 10 side side NN 28553 1711 11 of of IN 28553 1711 12 the the DT 28553 1711 13 coupling couple VBG 28553 1711 14 joint joint NN 28553 1711 15 of of IN 28553 1711 16 the the DT 28553 1711 17 train train NN 28553 1711 18 pipe pipe NN 28553 1711 19 are be VBP 28553 1711 20 turned turn VBN 28553 1711 21 off off RP 28553 1711 22 by by IN 28553 1711 23 the the DT 28553 1711 24 guard guard NN 28553 1711 25 in in IN 28553 1711 26 the the DT 28553 1711 27 " " `` 28553 1711 28 slip slip NN 28553 1711 29 ; ; : 28553 1711 30 " " '' 28553 1711 31 and and CC 28553 1711 32 when when WRB 28553 1711 33 he -PRON- PRP 28553 1711 34 wishes wish VBZ 28553 1711 35 to to TO 28553 1711 36 stop stop VB 28553 1711 37 he -PRON- PRP 28553 1711 38 merely merely RB 28553 1711 39 depresses depress VBZ 28553 1711 40 the the DT 28553 1711 41 lever lever NN 28553 1711 42 E e NN 28553 1711 43 , , , 28553 1711 44 gradually gradually RB 28553 1711 45 opening open VBG 28553 1711 46 the the DT 28553 1711 47 valve valve NN 28553 1711 48 . . . 28553 1712 1 Under under IN 28553 1712 2 the the DT 28553 1712 3 van van NNP 28553 1712 4 is be VBZ 28553 1712 5 an an DT 28553 1712 6 auxiliary auxiliary JJ 28553 1712 7 vacuum vacuum NN 28553 1712 8 chamber chamber NN 28553 1712 9 , , , 28553 1712 10 from from IN 28553 1712 11 which which WDT 28553 1712 12 the the DT 28553 1712 13 air air NN 28553 1712 14 is be VBZ 28553 1712 15 exhausted exhaust VBN 28553 1712 16 by by IN 28553 1712 17 the the DT 28553 1712 18 train train NN 28553 1712 19 pipe pipe NN 28553 1712 20 . . . 28553 1713 1 If if IN 28553 1713 2 the the DT 28553 1713 3 guard guard NN 28553 1713 4 , , , 28553 1713 5 after after IN 28553 1713 6 the the DT 28553 1713 7 slip slip NN 28553 1713 8 has have VBZ 28553 1713 9 parted part VBN 28553 1713 10 from from IN 28553 1713 11 the the DT 28553 1713 12 train train NN 28553 1713 13 , , , 28553 1713 14 finds find VBZ 28553 1713 15 that that IN 28553 1713 16 he -PRON- PRP 28553 1713 17 has have VBZ 28553 1713 18 applied apply VBN 28553 1713 19 his -PRON- PRP$ 28553 1713 20 brakes brake NNS 28553 1713 21 too too RB 28553 1713 22 hard hard RB 28553 1713 23 , , , 28553 1713 24 he -PRON- PRP 28553 1713 25 can can MD 28553 1713 26 put put VB 28553 1713 27 this this DT 28553 1713 28 chamber chamber NN 28553 1713 29 into into IN 28553 1713 30 communication communication NN 28553 1713 31 with with IN 28553 1713 32 the the DT 28553 1713 33 brake brake NN 28553 1713 34 cylinder cylinder NN 28553 1713 35 , , , 28553 1713 36 and and CC 28553 1713 37 restore restore VB 28553 1713 38 the the DT 28553 1713 39 vacuum vacuum NN 28553 1713 40 sufficiently sufficiently RB 28553 1713 41 to to TO 28553 1713 42 pull pull VB 28553 1713 43 the the DT 28553 1713 44 brakes brake NNS 28553 1713 45 off off RP 28553 1713 46 again again RB 28553 1713 47 . . . 28553 1714 1 When when WRB 28553 1714 2 a a DT 28553 1714 3 train train NN 28553 1714 4 has have VBZ 28553 1714 5 come come VBN 28553 1714 6 to to TO 28553 1714 7 rest rest VB 28553 1714 8 , , , 28553 1714 9 the the DT 28553 1714 10 brakes brake NNS 28553 1714 11 must must MD 28553 1714 12 be be VB 28553 1714 13 sucked suck VBN 28553 1714 14 off off RP 28553 1714 15 by by IN 28553 1714 16 the the DT 28553 1714 17 ejector ejector NN 28553 1714 18 . . . 28553 1715 1 Until until IN 28553 1715 2 this this DT 28553 1715 3 has have VBZ 28553 1715 4 been be VBN 28553 1715 5 done do VBN 28553 1715 6 the the DT 28553 1715 7 train train NN 28553 1715 8 can can MD 28553 1715 9 not not RB 28553 1715 10 be be VB 28553 1715 11 moved move VBN 28553 1715 12 , , , 28553 1715 13 so so IN 28553 1715 14 that that IN 28553 1715 15 it -PRON- PRP 28553 1715 16 is be VBZ 28553 1715 17 impossible impossible JJ 28553 1715 18 for for IN 28553 1715 19 it -PRON- PRP 28553 1715 20 to to TO 28553 1715 21 leave leave VB 28553 1715 22 the the DT 28553 1715 23 station station NN 28553 1715 24 unprepared unprepared JJ 28553 1715 25 to to TO 28553 1715 26 make make VB 28553 1715 27 a a DT 28553 1715 28 sudden sudden JJ 28553 1715 29 stop stop NN 28553 1715 30 if if IN 28553 1715 31 necessary necessary JJ 28553 1715 32 . . . 28553 1716 1 THE the DT 28553 1716 2 WESTINGHOUSE WESTINGHOUSE NNP 28553 1716 3 AIR AIR NNP 28553 1716 4 - - HYPH 28553 1716 5 BRAKE BRAKE NNP 28553 1716 6 . . . 28553 1717 1 This this DT 28553 1717 2 system system NN 28553 1717 3 is be VBZ 28553 1717 4 somewhat somewhat RB 28553 1717 5 more more RBR 28553 1717 6 complicated complicated JJ 28553 1717 7 than than IN 28553 1717 8 the the DT 28553 1717 9 vacuum vacuum NN 28553 1717 10 , , , 28553 1717 11 though though IN 28553 1717 12 equally equally RB 28553 1717 13 reliable reliable JJ 28553 1717 14 and and CC 28553 1717 15 powerful powerful JJ 28553 1717 16 . . . 28553 1718 1 Owing owe VBG 28553 1718 2 to to IN 28553 1718 3 the the DT 28553 1718 4 complexity complexity NN 28553 1718 5 of of IN 28553 1718 6 certain certain JJ 28553 1718 7 parts part NNS 28553 1718 8 , , , 28553 1718 9 such such JJ 28553 1718 10 as as IN 28553 1718 11 the the DT 28553 1718 12 steam steam NN 28553 1718 13 air air NN 28553 1718 14 - - HYPH 28553 1718 15 pump pump NN 28553 1718 16 and and CC 28553 1718 17 the the DT 28553 1718 18 triple triple JJ 28553 1718 19 - - HYPH 28553 1718 20 valve valve NN 28553 1718 21 , , , 28553 1718 22 it -PRON- PRP 28553 1718 23 is be VBZ 28553 1718 24 impossible impossible JJ 28553 1718 25 to to TO 28553 1718 26 explain explain VB 28553 1718 27 the the DT 28553 1718 28 system system NN 28553 1718 29 in in IN 28553 1718 30 detail detail NN 28553 1718 31 ; ; : 28553 1718 32 we -PRON- PRP 28553 1718 33 therefore therefore RB 28553 1718 34 have have VBP 28553 1718 35 recourse recourse VBN 28553 1718 36 to to IN 28553 1718 37 simple simple JJ 28553 1718 38 diagrammatic diagrammatic JJ 28553 1718 39 sketches sketch NNS 28553 1718 40 , , , 28553 1718 41 which which WDT 28553 1718 42 will will MD 28553 1718 43 help help VB 28553 1718 44 to to TO 28553 1718 45 make make VB 28553 1718 46 clear clear JJ 28553 1718 47 the the DT 28553 1718 48 general general JJ 28553 1718 49 principles principle NNS 28553 1718 50 employed employ VBN 28553 1718 51 . . . 28553 1719 1 The the DT 28553 1719 2 air air NN 28553 1719 3 - - HYPH 28553 1719 4 brake brake NN 28553 1719 5 , , , 28553 1719 6 as as IN 28553 1719 7 first first RB 28553 1719 8 evolved evolve VBN 28553 1719 9 by by IN 28553 1719 10 Mr. Mr. NNP 28553 1719 11 George George NNP 28553 1719 12 Westinghouse Westinghouse NNP 28553 1719 13 , , , 28553 1719 14 was be VBD 28553 1719 15 a a DT 28553 1719 16 very very RB 28553 1719 17 simple simple JJ 28553 1719 18 affair affair NN 28553 1719 19 -- -- : 28553 1719 20 an an DT 28553 1719 21 air air NN 28553 1719 22 - - HYPH 28553 1719 23 pump pump NN 28553 1719 24 and and CC 28553 1719 25 reservoir reservoir NN 28553 1719 26 on on IN 28553 1719 27 the the DT 28553 1719 28 engine engine NN 28553 1719 29 ; ; : 28553 1719 30 a a DT 28553 1719 31 long long JJ 28553 1719 32 pipe pipe NN 28553 1719 33 running run VBG 28553 1719 34 along along IN 28553 1719 35 the the DT 28553 1719 36 train train NN 28553 1719 37 ; ; : 28553 1719 38 and and CC 28553 1719 39 a a DT 28553 1719 40 cylinder cylinder NN 28553 1719 41 under under IN 28553 1719 42 every every DT 28553 1719 43 vehicle vehicle NN 28553 1719 44 to to TO 28553 1719 45 work work VB 28553 1719 46 the the DT 28553 1719 47 brakes brake NNS 28553 1719 48 . . . 28553 1720 1 To to TO 28553 1720 2 stop stop VB 28553 1720 3 the the DT 28553 1720 4 train train NN 28553 1720 5 , , , 28553 1720 6 the the DT 28553 1720 7 high high JJ 28553 1720 8 - - HYPH 28553 1720 9 pressure pressure NN 28553 1720 10 air air NN 28553 1720 11 collected collect VBN 28553 1720 12 in in IN 28553 1720 13 the the DT 28553 1720 14 reservoir reservoir NN 28553 1720 15 was be VBD 28553 1720 16 turned turn VBN 28553 1720 17 into into IN 28553 1720 18 the the DT 28553 1720 19 train train NN 28553 1720 20 pipe pipe NN 28553 1720 21 to to TO 28553 1720 22 force force VB 28553 1720 23 out out RP 28553 1720 24 the the DT 28553 1720 25 pistons piston NNS 28553 1720 26 in in IN 28553 1720 27 the the DT 28553 1720 28 coach coach NN 28553 1720 29 cylinders cylinder NNS 28553 1720 30 , , , 28553 1720 31 connected connect VBN 28553 1720 32 to to IN 28553 1720 33 it -PRON- PRP 28553 1720 34 by by IN 28553 1720 35 short short JJ 28553 1720 36 branch branch NN 28553 1720 37 pipes pipe NNS 28553 1720 38 . . . 28553 1721 1 One one CD 28553 1721 2 defect defect NN 28553 1721 3 of of IN 28553 1721 4 this this DT 28553 1721 5 " " `` 28553 1721 6 straight straight JJ 28553 1721 7 " " '' 28553 1721 8 system system NN 28553 1721 9 was be VBD 28553 1721 10 that that IN 28553 1721 11 the the DT 28553 1721 12 brakes brake NNS 28553 1721 13 at at IN 28553 1721 14 the the DT 28553 1721 15 rear rear NN 28553 1721 16 of of IN 28553 1721 17 a a DT 28553 1721 18 long long JJ 28553 1721 19 train train NN 28553 1721 20 did do VBD 28553 1721 21 not not RB 28553 1721 22 come come VB 28553 1721 23 into into IN 28553 1721 24 action action NN 28553 1721 25 until until IN 28553 1721 26 a a DT 28553 1721 27 considerable considerable JJ 28553 1721 28 time time NN 28553 1721 29 after after IN 28553 1721 30 the the DT 28553 1721 31 driver driver NN 28553 1721 32 turned turn VBD 28553 1721 33 on on RP 28553 1721 34 the the DT 28553 1721 35 air air NN 28553 1721 36 ; ; : 28553 1721 37 and and CC 28553 1721 38 since since IN 28553 1721 39 , , , 28553 1721 40 when when WRB 28553 1721 41 danger danger NN 28553 1721 42 is be VBZ 28553 1721 43 imminent imminent JJ 28553 1721 44 , , , 28553 1721 45 a a DT 28553 1721 46 very very RB 28553 1721 47 few few JJ 28553 1721 48 seconds second NNS 28553 1721 49 are be VBP 28553 1721 50 of of IN 28553 1721 51 great great JJ 28553 1721 52 importance importance NN 28553 1721 53 , , , 28553 1721 54 this this DT 28553 1721 55 slowness slowness NN 28553 1721 56 of of IN 28553 1721 57 operation operation NN 28553 1721 58 was be VBD 28553 1721 59 a a DT 28553 1721 60 serious serious JJ 28553 1721 61 fault fault NN 28553 1721 62 . . . 28553 1722 1 Also also RB 28553 1722 2 , , , 28553 1722 3 it -PRON- PRP 28553 1722 4 was be VBD 28553 1722 5 found find VBN 28553 1722 6 that that IN 28553 1722 7 the the DT 28553 1722 8 brakes brake NNS 28553 1722 9 on on IN 28553 1722 10 coaches coach NNS 28553 1722 11 near near IN 28553 1722 12 the the DT 28553 1722 13 engine engine NN 28553 1722 14 went go VBD 28553 1722 15 on on RP 28553 1722 16 long long RB 28553 1722 17 before before IN 28553 1722 18 those those DT 28553 1722 19 more more RBR 28553 1722 20 distant distant JJ 28553 1722 21 , , , 28553 1722 22 so so IN 28553 1722 23 that that IN 28553 1722 24 during during IN 28553 1722 25 a a DT 28553 1722 26 quick quick JJ 28553 1722 27 stop stop NN 28553 1722 28 there there EX 28553 1722 29 was be VBD 28553 1722 30 a a DT 28553 1722 31 danger danger NN 28553 1722 32 of of IN 28553 1722 33 the the DT 28553 1722 34 forward forward JJ 28553 1722 35 coaches coach NNS 28553 1722 36 being be VBG 28553 1722 37 bumped bump VBN 28553 1722 38 by by IN 28553 1722 39 those those DT 28553 1722 40 behind behind RB 28553 1722 41 . . . 28553 1723 1 It -PRON- PRP 28553 1723 2 goes go VBZ 28553 1723 3 without without IN 28553 1723 4 saying say VBG 28553 1723 5 that that IN 28553 1723 6 any any DT 28553 1723 7 coaches coach NNS 28553 1723 8 which which WDT 28553 1723 9 might may MD 28553 1723 10 break break VB 28553 1723 11 loose loose JJ 28553 1723 12 were be VBD 28553 1723 13 uncontrollable uncontrollable JJ 28553 1723 14 . . . 28553 1724 1 Mr. Mr. NNP 28553 1724 2 Westinghouse Westinghouse NNP 28553 1724 3 therefore therefore RB 28553 1724 4 patented patent VBD 28553 1724 5 his -PRON- PRP$ 28553 1724 6 _ _ NNP 28553 1724 7 automatic automatic JJ 28553 1724 8 _ _ NNP 28553 1724 9 brake brake NN 28553 1724 10 , , , 28553 1724 11 now now RB 28553 1724 12 so so RB 28553 1724 13 largely largely RB 28553 1724 14 used use VBN 28553 1724 15 all all RB 28553 1724 16 over over IN 28553 1724 17 the the DT 28553 1724 18 world world NN 28553 1724 19 . . . 28553 1725 1 The the DT 28553 1725 2 brake brake NN 28553 1725 3 ensures ensure VBZ 28553 1725 4 practically practically RB 28553 1725 5 instantaneous instantaneous JJ 28553 1725 6 and and CC 28553 1725 7 simultaneous simultaneous JJ 28553 1725 8 action action NN 28553 1725 9 on on IN 28553 1725 10 all all PDT 28553 1725 11 the the DT 28553 1725 12 vehicles vehicle NNS 28553 1725 13 of of IN 28553 1725 14 _ _ NNP 28553 1725 15 a a DT 28553 1725 16 train train NN 28553 1725 17 of of IN 28553 1725 18 any any DT 28553 1725 19 length length NN 28553 1725 20 _ _ NNP 28553 1725 21 . . . 28553 1726 1 [ [ -LRB- 28553 1726 2 Illustration illustration NN 28553 1726 3 : : : 28553 1726 4 FIG FIG NNP 28553 1726 5 . . . 28553 1727 1 88.--Diagrammatic 88.--diagrammatic CD 28553 1727 2 sketch sketch NN 28553 1727 3 of of IN 28553 1727 4 the the DT 28553 1727 5 details detail NNS 28553 1727 6 of of IN 28553 1727 7 the the DT 28553 1727 8 Westinghouse Westinghouse NNP 28553 1727 9 air air NN 28553 1727 10 - - HYPH 28553 1727 11 brake brake NN 28553 1727 12 . . . 28553 1728 1 Brake brake NN 28553 1728 2 " " '' 28553 1728 3 off off RP 28553 1728 4 . . . 28553 1728 5 " " '' 28553 1728 6 ] ] -RRB- 28553 1729 1 The the DT 28553 1729 2 principle principle NN 28553 1729 3 of of IN 28553 1729 4 the the DT 28553 1729 5 brake brake NN 28553 1729 6 will will MD 28553 1729 7 be be VB 28553 1729 8 gathered gather VBN 28553 1729 9 from from IN 28553 1729 10 Figs Figs NNP 28553 1729 11 . . . 28553 1730 1 88 88 CD 28553 1730 2 and and CC 28553 1730 3 89 89 CD 28553 1730 4 . . . 28553 1731 1 P p NN 28553 1731 2 is be VBZ 28553 1731 3 a a DT 28553 1731 4 steam steam NN 28553 1731 5 - - HYPH 28553 1731 6 driven drive VBN 28553 1731 7 air air NN 28553 1731 8 - - HYPH 28553 1731 9 pump pump NN 28553 1731 10 on on IN 28553 1731 11 the the DT 28553 1731 12 engine engine NN 28553 1731 13 , , , 28553 1731 14 which which WDT 28553 1731 15 compresses compress VBZ 28553 1731 16 air air NN 28553 1731 17 into into IN 28553 1731 18 a a DT 28553 1731 19 reservoir reservoir NN 28553 1731 20 , , , 28553 1731 21 A a NN 28553 1731 22 , , , 28553 1731 23 situated situate VBN 28553 1731 24 below below IN 28553 1731 25 the the DT 28553 1731 26 engine engine NN 28553 1731 27 or or CC 28553 1731 28 tender tender NN 28553 1731 29 , , , 28553 1731 30 and and CC 28553 1731 31 maintains maintain VBZ 28553 1731 32 a a DT 28553 1731 33 pressure pressure NN 28553 1731 34 of of IN 28553 1731 35 from from IN 28553 1731 36 80 80 CD 28553 1731 37 to to TO 28553 1731 38 90 90 CD 28553 1731 39 lbs lb NNS 28553 1731 40 . . . 28553 1732 1 per per IN 28553 1732 2 square square JJ 28553 1732 3 inch inch NN 28553 1732 4 . . . 28553 1733 1 A a DT 28553 1733 2 three three CD 28553 1733 3 - - HYPH 28553 1733 4 way way NN 28553 1733 5 cock cock NN 28553 1733 6 , , , 28553 1733 7 C C NNP 28553 1733 8 , , , 28553 1733 9 puts put VBZ 28553 1733 10 the the DT 28553 1733 11 train train NN 28553 1733 12 pipe pipe NN 28553 1733 13 into into IN 28553 1733 14 communication communication NN 28553 1733 15 with with IN 28553 1733 16 A a NN 28553 1733 17 or or CC 28553 1733 18 the the DT 28553 1733 19 open open JJ 28553 1733 20 air air NN 28553 1733 21 at at IN 28553 1733 22 the the DT 28553 1733 23 wish wish NN 28553 1733 24 of of IN 28553 1733 25 the the DT 28553 1733 26 driver driver NN 28553 1733 27 . . . 28553 1734 1 Under under IN 28553 1734 2 each each DT 28553 1734 3 coach coach NN 28553 1734 4 is be VBZ 28553 1734 5 a a DT 28553 1734 6 triple triple JJ 28553 1734 7 - - HYPH 28553 1734 8 valve valve NN 28553 1734 9 , , , 28553 1734 10 T t NN 28553 1734 11 , , , 28553 1734 12 an an DT 28553 1734 13 auxiliary auxiliary JJ 28553 1734 14 reservoir reservoir NN 28553 1734 15 , , , 28553 1734 16 B b NN 28553 1734 17 , , , 28553 1734 18 and and CC 28553 1734 19 a a DT 28553 1734 20 brake brake NN 28553 1734 21 cylinder cylinder NN 28553 1734 22 , , , 28553 1734 23 D. D. NNP 28553 1734 24 The the DT 28553 1734 25 triple triple JJ 28553 1734 26 - - HYPH 28553 1734 27 valve valve NN 28553 1734 28 is be VBZ 28553 1734 29 the the DT 28553 1734 30 most most RBS 28553 1734 31 noteworthy noteworthy JJ 28553 1734 32 feature feature NN 28553 1734 33 of of IN 28553 1734 34 the the DT 28553 1734 35 whole whole JJ 28553 1734 36 system system NN 28553 1734 37 . . . 28553 1735 1 The the DT 28553 1735 2 reader reader NN 28553 1735 3 must must MD 28553 1735 4 remember remember VB 28553 1735 5 that that IN 28553 1735 6 the the DT 28553 1735 7 valve valve NN 28553 1735 8 shown show VBN 28553 1735 9 in in IN 28553 1735 10 the the DT 28553 1735 11 section section NN 28553 1735 12 is be VBZ 28553 1735 13 _ _ NNP 28553 1735 14 only only RB 28553 1735 15 diagrammatic diagrammatic JJ 28553 1735 16 _ _ NN 28553 1735 17 . . . 28553 1736 1 Now now RB 28553 1736 2 for for IN 28553 1736 3 the the DT 28553 1736 4 operation operation NN 28553 1736 5 of of IN 28553 1736 6 the the DT 28553 1736 7 brake brake NN 28553 1736 8 . . . 28553 1737 1 When when WRB 28553 1737 2 the the DT 28553 1737 3 engine engine NN 28553 1737 4 is be VBZ 28553 1737 5 coupled couple VBN 28553 1737 6 to to IN 28553 1737 7 the the DT 28553 1737 8 train train NN 28553 1737 9 , , , 28553 1737 10 the the DT 28553 1737 11 compressed compress VBN 28553 1737 12 air air NN 28553 1737 13 in in IN 28553 1737 14 the the DT 28553 1737 15 main main JJ 28553 1737 16 reservoir reservoir NN 28553 1737 17 is be VBZ 28553 1737 18 turned turn VBN 28553 1737 19 into into IN 28553 1737 20 the the DT 28553 1737 21 train train NN 28553 1737 22 pipe pipe NN 28553 1737 23 , , , 28553 1737 24 from from IN 28553 1737 25 which which WDT 28553 1737 26 it -PRON- PRP 28553 1737 27 passes pass VBZ 28553 1737 28 through through IN 28553 1737 29 the the DT 28553 1737 30 triple triple JJ 28553 1737 31 - - HYPH 28553 1737 32 valve valve NN 28553 1737 33 into into IN 28553 1737 34 the the DT 28553 1737 35 auxiliary auxiliary JJ 28553 1737 36 reservoir reservoir NN 28553 1737 37 , , , 28553 1737 38 and and CC 28553 1737 39 fills fill VBZ 28553 1737 40 it -PRON- PRP 28553 1737 41 till till IN 28553 1737 42 it -PRON- PRP 28553 1737 43 has have VBZ 28553 1737 44 a a DT 28553 1737 45 pressure pressure NN 28553 1737 46 of of IN 28553 1737 47 , , , 28553 1737 48 say say UH 28553 1737 49 , , , 28553 1737 50 80 80 CD 28553 1737 51 lbs lbs NN 28553 1737 52 . . . 28553 1738 1 per per IN 28553 1738 2 square square JJ 28553 1738 3 inch inch NN 28553 1738 4 . . . 28553 1739 1 Until until IN 28553 1739 2 the the DT 28553 1739 3 brakes brake NNS 28553 1739 4 are be VBP 28553 1739 5 required require VBN 28553 1739 6 , , , 28553 1739 7 the the DT 28553 1739 8 pressure pressure NN 28553 1739 9 in in IN 28553 1739 10 the the DT 28553 1739 11 train train NN 28553 1739 12 pipe pipe NN 28553 1739 13 must must MD 28553 1739 14 be be VB 28553 1739 15 maintained maintain VBN 28553 1739 16 . . . 28553 1740 1 If if IN 28553 1740 2 accidentally accidentally RB 28553 1740 3 , , , 28553 1740 4 or or CC 28553 1740 5 purposely purposely RB 28553 1740 6 ( ( -LRB- 28553 1740 7 by by IN 28553 1740 8 turning turn VBG 28553 1740 9 the the DT 28553 1740 10 cock cock NN 28553 1740 11 C c NN 28553 1740 12 to to IN 28553 1740 13 the the DT 28553 1740 14 position position NN 28553 1740 15 shown show VBN 28553 1740 16 in in IN 28553 1740 17 Fig Fig NNP 28553 1740 18 . . . 28553 1741 1 89 89 CD 28553 1741 2 ) ) -RRB- 28553 1741 3 , , , 28553 1741 4 the the DT 28553 1741 5 train train NN 28553 1741 6 - - HYPH 28553 1741 7 pipe pipe NN 28553 1741 8 pressure pressure NN 28553 1741 9 is be VBZ 28553 1741 10 reduced reduce VBN 28553 1741 11 , , , 28553 1741 12 the the DT 28553 1741 13 triple triple JJ 28553 1741 14 - - HYPH 28553 1741 15 valve valve NN 28553 1741 16 at at IN 28553 1741 17 once once RB 28553 1741 18 shifts shift NNS 28553 1741 19 , , , 28553 1741 20 putting put VBG 28553 1741 21 B b NN 28553 1741 22 in in IN 28553 1741 23 connection connection NN 28553 1741 24 with with IN 28553 1741 25 the the DT 28553 1741 26 brake brake NN 28553 1741 27 cylinder cylinder NN 28553 1741 28 D d NN 28553 1741 29 , , , 28553 1741 30 and and CC 28553 1741 31 cutting cut VBG 28553 1741 32 off off RP 28553 1741 33 the the DT 28553 1741 34 connection connection NN 28553 1741 35 between between IN 28553 1741 36 D d NN 28553 1741 37 and and CC 28553 1741 38 the the DT 28553 1741 39 air air NN 28553 1741 40 , , , 28553 1741 41 and and CC 28553 1741 42 the the DT 28553 1741 43 brakes brake NNS 28553 1741 44 go go VBP 28553 1741 45 on on RP 28553 1741 46 . . . 28553 1742 1 To to TO 28553 1742 2 get get VB 28553 1742 3 them -PRON- PRP 28553 1742 4 off off RP 28553 1742 5 , , , 28553 1742 6 the the DT 28553 1742 7 pressure pressure NN 28553 1742 8 in in IN 28553 1742 9 the the DT 28553 1742 10 train train NN 28553 1742 11 pipe pipe NN 28553 1742 12 must must MD 28553 1742 13 be be VB 28553 1742 14 made make VBN 28553 1742 15 equal equal JJ 28553 1742 16 to to IN 28553 1742 17 that that DT 28553 1742 18 in in IN 28553 1742 19 B B NNP 28553 1742 20 , , , 28553 1742 21 when when WRB 28553 1742 22 the the DT 28553 1742 23 valve valve NN 28553 1742 24 will will MD 28553 1742 25 assume assume VB 28553 1742 26 its -PRON- PRP$ 28553 1742 27 original original JJ 28553 1742 28 position position NN 28553 1742 29 , , , 28553 1742 30 allowing allow VBG 28553 1742 31 the the DT 28553 1742 32 air air NN 28553 1742 33 in in IN 28553 1742 34 D d NN 28553 1742 35 to to TO 28553 1742 36 escape escape VB 28553 1742 37 . . . 28553 1743 1 The the DT 28553 1743 2 force force NN 28553 1743 3 with with IN 28553 1743 4 which which WDT 28553 1743 5 the the DT 28553 1743 6 brake brake NN 28553 1743 7 is be VBZ 28553 1743 8 applied apply VBN 28553 1743 9 depends depend VBZ 28553 1743 10 upon upon IN 28553 1743 11 the the DT 28553 1743 12 reduction reduction NN 28553 1743 13 of of IN 28553 1743 14 pressure pressure NN 28553 1743 15 in in IN 28553 1743 16 the the DT 28553 1743 17 train train NN 28553 1743 18 pipe pipe NN 28553 1743 19 . . . 28553 1744 1 A a DT 28553 1744 2 slight slight JJ 28553 1744 3 reduction reduction NN 28553 1744 4 would would MD 28553 1744 5 admit admit VB 28553 1744 6 air air NN 28553 1744 7 very very RB 28553 1744 8 slowly slowly RB 28553 1744 9 from from IN 28553 1744 10 B b NN 28553 1744 11 to to IN 28553 1744 12 D d NN 28553 1744 13 , , , 28553 1744 14 whereas whereas IN 28553 1744 15 a a DT 28553 1744 16 full full JJ 28553 1744 17 escape escape NN 28553 1744 18 from from IN 28553 1744 19 the the DT 28553 1744 20 train train NN 28553 1744 21 pipe pipe NN 28553 1744 22 would would MD 28553 1744 23 open open VB 28553 1744 24 the the DT 28553 1744 25 valve valve NN 28553 1744 26 to to IN 28553 1744 27 its -PRON- PRP$ 28553 1744 28 utmost utmost NN 28553 1744 29 . . . 28553 1745 1 We -PRON- PRP 28553 1745 2 have have VBP 28553 1745 3 not not RB 28553 1745 4 represented represent VBN 28553 1745 5 the the DT 28553 1745 6 means mean NNS 28553 1745 7 whereby whereby WRB 28553 1745 8 the the DT 28553 1745 9 valve valve NN 28553 1745 10 is be VBZ 28553 1745 11 rendered render VBN 28553 1745 12 sensitive sensitive JJ 28553 1745 13 to to IN 28553 1745 14 these these DT 28553 1745 15 changes change NNS 28553 1745 16 , , , 28553 1745 17 for for IN 28553 1745 18 the the DT 28553 1745 19 reason reason NN 28553 1745 20 given give VBN 28553 1745 21 above above RB 28553 1745 22 . . . 28553 1746 1 [ [ -LRB- 28553 1746 2 Illustration illustration NN 28553 1746 3 : : : 28553 1746 4 FIG FIG NNP 28553 1746 5 . . . 28553 1747 1 89.--Brake 89.--brake CD 28553 1747 2 " " `` 28553 1747 3 on on RB 28553 1747 4 . . . 28553 1747 5 " " '' 28553 1747 6 ] ] -RRB- 28553 1748 1 The the DT 28553 1748 2 latest late JJS 28553 1748 3 form form NN 28553 1748 4 of of IN 28553 1748 5 triple triple JJ 28553 1748 6 - - HYPH 28553 1748 7 valve valve NN 28553 1748 8 includes include VBZ 28553 1748 9 a a DT 28553 1748 10 device device NN 28553 1748 11 which which WDT 28553 1748 12 , , , 28553 1748 13 when when WRB 28553 1748 14 air air NN 28553 1748 15 is be VBZ 28553 1748 16 rapidly rapidly RB 28553 1748 17 discharged discharge VBN 28553 1748 18 from from IN 28553 1748 19 the the DT 28553 1748 20 train train NN 28553 1748 21 pipe pipe NN 28553 1748 22 , , , 28553 1748 23 as as IN 28553 1748 24 in in IN 28553 1748 25 an an DT 28553 1748 26 emergency emergency NN 28553 1748 27 application application NN 28553 1748 28 of of IN 28553 1748 29 the the DT 28553 1748 30 brake brake NN 28553 1748 31 , , , 28553 1748 32 opens open VBZ 28553 1748 33 a a DT 28553 1748 34 port port NN 28553 1748 35 through through IN 28553 1748 36 which which WDT 28553 1748 37 compressed compress VBN 28553 1748 38 air air NN 28553 1748 39 is be VBZ 28553 1748 40 also also RB 28553 1748 41 admitted admit VBN 28553 1748 42 from from IN 28553 1748 43 the the DT 28553 1748 44 train train NN 28553 1748 45 pipe pipe NN 28553 1748 46 _ _ NNP 28553 1748 47 directly directly RB 28553 1748 48 _ _ NNP 28553 1748 49 into into IN 28553 1748 50 D. D. NNP 28553 1748 51 It -PRON- PRP 28553 1748 52 will will MD 28553 1748 53 easily easily RB 28553 1748 54 be be VB 28553 1748 55 understood understand VBN 28553 1748 56 that that IN 28553 1748 57 a a DT 28553 1748 58 double double JJ 28553 1748 59 advantage advantage NN 28553 1748 60 is be VBZ 28553 1748 61 hereby hereby RB 28553 1748 62 gained gain VBN 28553 1748 63 -- -- : 28553 1748 64 first first RB 28553 1748 65 , , , 28553 1748 66 in in IN 28553 1748 67 utilizing utilize VBG 28553 1748 68 a a DT 28553 1748 69 considerable considerable JJ 28553 1748 70 portion portion NN 28553 1748 71 of of IN 28553 1748 72 the the DT 28553 1748 73 air air NN 28553 1748 74 in in IN 28553 1748 75 the the DT 28553 1748 76 train train NN 28553 1748 77 pipe pipe NN 28553 1748 78 to to TO 28553 1748 79 increase increase VB 28553 1748 80 the the DT 28553 1748 81 available available JJ 28553 1748 82 brake brake NN 28553 1748 83 force force NN 28553 1748 84 in in IN 28553 1748 85 cases case NNS 28553 1748 86 of of IN 28553 1748 87 emergency emergency NN 28553 1748 88 ; ; : 28553 1748 89 and and CC 28553 1748 90 , , , 28553 1748 91 secondly secondly RB 28553 1748 92 , , , 28553 1748 93 in in IN 28553 1748 94 producing produce VBG 28553 1748 95 a a DT 28553 1748 96 quick quick JJ 28553 1748 97 reduction reduction NN 28553 1748 98 of of IN 28553 1748 99 pressure pressure NN 28553 1748 100 in in IN 28553 1748 101 the the DT 28553 1748 102 whole whole JJ 28553 1748 103 length length NN 28553 1748 104 of of IN 28553 1748 105 the the DT 28553 1748 106 pipe pipe NN 28553 1748 107 , , , 28553 1748 108 which which WDT 28553 1748 109 accelerates accelerate VBZ 28553 1748 110 the the DT 28553 1748 111 action action NN 28553 1748 112 of of IN 28553 1748 113 the the DT 28553 1748 114 brakes brake NNS 28553 1748 115 with with IN 28553 1748 116 extraordinary extraordinary JJ 28553 1748 117 rapidity rapidity NN 28553 1748 118 . . . 28553 1749 1 It -PRON- PRP 28553 1749 2 may may MD 28553 1749 3 be be VB 28553 1749 4 added add VBN 28553 1749 5 that that IN 28553 1749 6 this this DT 28553 1749 7 secondary secondary JJ 28553 1749 8 communication communication NN 28553 1749 9 is be VBZ 28553 1749 10 kept keep VBN 28553 1749 11 open open JJ 28553 1749 12 only only RB 28553 1749 13 until until IN 28553 1749 14 the the DT 28553 1749 15 pressure pressure NN 28553 1749 16 in in IN 28553 1749 17 D d NN 28553 1749 18 is be VBZ 28553 1749 19 equal equal JJ 28553 1749 20 to to IN 28553 1749 21 that that DT 28553 1749 22 in in IN 28553 1749 23 the the DT 28553 1749 24 train train NN 28553 1749 25 pipe pipe NN 28553 1749 26 . . . 28553 1750 1 Then then RB 28553 1750 2 it -PRON- PRP 28553 1750 3 is be VBZ 28553 1750 4 cut cut VBN 28553 1750 5 off off RP 28553 1750 6 , , , 28553 1750 7 to to TO 28553 1750 8 prevent prevent VB 28553 1750 9 a a DT 28553 1750 10 return return NN 28553 1750 11 of of IN 28553 1750 12 air air NN 28553 1750 13 from from IN 28553 1750 14 B b NN 28553 1750 15 to to IN 28553 1750 16 the the DT 28553 1750 17 pipe pipe NN 28553 1750 18 . . . 28553 1751 1 An an DT 28553 1751 2 interesting interesting JJ 28553 1751 3 detail detail NN 28553 1751 4 of of IN 28553 1751 5 the the DT 28553 1751 6 system system NN 28553 1751 7 is be VBZ 28553 1751 8 the the DT 28553 1751 9 automatic automatic JJ 28553 1751 10 regulation regulation NN 28553 1751 11 of of IN 28553 1751 12 air air NN 28553 1751 13 - - HYPH 28553 1751 14 pressure pressure NN 28553 1751 15 in in IN 28553 1751 16 the the DT 28553 1751 17 main main JJ 28553 1751 18 reservoir reservoir NN 28553 1751 19 by by IN 28553 1751 20 the the DT 28553 1751 21 air air NN 28553 1751 22 - - HYPH 28553 1751 23 pump pump NN 28553 1751 24 governor governor NN 28553 1751 25 ( ( -LRB- 28553 1751 26 Fig fig NN 28553 1751 27 . . . 28553 1752 1 90 90 CD 28553 1752 2 ) ) -RRB- 28553 1752 3 . . . 28553 1753 1 The the DT 28553 1753 2 governor governor NN 28553 1753 3 is be VBZ 28553 1753 4 attached attach VBN 28553 1753 5 to to IN 28553 1753 6 the the DT 28553 1753 7 steam steam NN 28553 1753 8 - - HYPH 28553 1753 9 pipe pipe NN 28553 1753 10 leading lead VBG 28553 1753 11 from from IN 28553 1753 12 the the DT 28553 1753 13 locomotive locomotive JJ 28553 1753 14 boiler boiler NN 28553 1753 15 to to IN 28553 1753 16 the the DT 28553 1753 17 air air NN 28553 1753 18 - - HYPH 28553 1753 19 pump pump NN 28553 1753 20 . . . 28553 1754 1 Steam steam NN 28553 1754 2 from from IN 28553 1754 3 the the DT 28553 1754 4 boiler boiler NN 28553 1754 5 , , , 28553 1754 6 entering enter VBG 28553 1754 7 at at IN 28553 1754 8 F F NNP 28553 1754 9 , , , 28553 1754 10 flows flow VBZ 28553 1754 11 through through IN 28553 1754 12 valve valve NN 28553 1754 13 14 14 CD 28553 1754 14 and and CC 28553 1754 15 passes pass VBZ 28553 1754 16 by by IN 28553 1754 17 D d NN 28553 1754 18 into into IN 28553 1754 19 the the DT 28553 1754 20 pump pump NN 28553 1754 21 , , , 28553 1754 22 which which WDT 28553 1754 23 is be VBZ 28553 1754 24 thus thus RB 28553 1754 25 brought bring VBN 28553 1754 26 into into IN 28553 1754 27 operation operation NN 28553 1754 28 , , , 28553 1754 29 and and CC 28553 1754 30 continues continue VBZ 28553 1754 31 to to TO 28553 1754 32 work work VB 28553 1754 33 until until IN 28553 1754 34 the the DT 28553 1754 35 pressure pressure NN 28553 1754 36 in in IN 28553 1754 37 the the DT 28553 1754 38 main main JJ 28553 1754 39 reservoir reservoir NN 28553 1754 40 , , , 28553 1754 41 acting act VBG 28553 1754 42 on on IN 28553 1754 43 the the DT 28553 1754 44 under under JJ 28553 1754 45 side side NN 28553 1754 46 of of IN 28553 1754 47 the the DT 28553 1754 48 diaphragm diaphragm JJ 28553 1754 49 9 9 CD 28553 1754 50 , , , 28553 1754 51 exceeds exceed VBZ 28553 1754 52 the the DT 28553 1754 53 tension tension NN 28553 1754 54 to to TO 28553 1754 55 which which WDT 28553 1754 56 the the DT 28553 1754 57 regulating regulating NN 28553 1754 58 spring spring NN 28553 1754 59 7 7 CD 28553 1754 60 is be VBZ 28553 1754 61 set set VBN 28553 1754 62 . . . 28553 1755 1 Any any DT 28553 1755 2 excess excess NN 28553 1755 3 of of IN 28553 1755 4 pressure pressure NN 28553 1755 5 forces force NNS 28553 1755 6 the the DT 28553 1755 7 diaphragm diaphragm NNP 28553 1755 8 upwards upwards NNP 28553 1755 9 , , , 28553 1755 10 lifting lift VBG 28553 1755 11 valve valve NN 28553 1755 12 11 11 CD 28553 1755 13 , , , 28553 1755 14 and and CC 28553 1755 15 allowing allow VBG 28553 1755 16 compressed compress VBN 28553 1755 17 air air NN 28553 1755 18 from from IN 28553 1755 19 the the DT 28553 1755 20 main main JJ 28553 1755 21 reservoir reservoir NN 28553 1755 22 to to TO 28553 1755 23 flow flow VB 28553 1755 24 into into IN 28553 1755 25 the the DT 28553 1755 26 chamber chamber NN 28553 1755 27 C. C. NNP 28553 1755 28 The the DT 28553 1755 29 air air NN 28553 1755 30 - - HYPH 28553 1755 31 pressure pressure NN 28553 1755 32 forces force NNS 28553 1755 33 piston piston VBP 28553 1755 34 12 12 CD 28553 1755 35 downwards downward NNS 28553 1755 36 and and CC 28553 1755 37 closes close VBZ 28553 1755 38 steam steam NN 28553 1755 39 - - HYPH 28553 1755 40 valve valve NN 28553 1755 41 14 14 CD 28553 1755 42 , , , 28553 1755 43 thus thus RB 28553 1755 44 cutting cut VBG 28553 1755 45 off off RP 28553 1755 46 the the DT 28553 1755 47 supply supply NN 28553 1755 48 of of IN 28553 1755 49 steam steam NN 28553 1755 50 to to IN 28553 1755 51 the the DT 28553 1755 52 pump pump NN 28553 1755 53 . . . 28553 1756 1 As as RB 28553 1756 2 soon soon RB 28553 1756 3 as as IN 28553 1756 4 the the DT 28553 1756 5 pressure pressure NN 28553 1756 6 in in IN 28553 1756 7 the the DT 28553 1756 8 reservoir reservoir NN 28553 1756 9 is be VBZ 28553 1756 10 reduced reduce VBN 28553 1756 11 ( ( -LRB- 28553 1756 12 by by IN 28553 1756 13 leakage leakage NN 28553 1756 14 or or CC 28553 1756 15 use use NN 28553 1756 16 ) ) -RRB- 28553 1756 17 below below IN 28553 1756 18 the the DT 28553 1756 19 normal normal JJ 28553 1756 20 , , , 28553 1756 21 spring spring VB 28553 1756 22 7 7 CD 28553 1756 23 returns return NNS 28553 1756 24 diaphragm diaphragm VBD 28553 1756 25 9 9 CD 28553 1756 26 to to IN 28553 1756 27 the the DT 28553 1756 28 position position NN 28553 1756 29 shown show VBN 28553 1756 30 in in IN 28553 1756 31 Fig Fig NNP 28553 1756 32 . . . 28553 1757 1 90 90 CD 28553 1757 2 , , , 28553 1757 3 and and CC 28553 1757 4 pin pin NN 28553 1757 5 - - HYPH 28553 1757 6 valve valve VB 28553 1757 7 11 11 CD 28553 1757 8 closes close NNS 28553 1757 9 . . . 28553 1758 1 The the DT 28553 1758 2 compressed compress VBN 28553 1758 3 air air NN 28553 1758 4 previously previously RB 28553 1758 5 admitted admit VBD 28553 1758 6 to to IN 28553 1758 7 the the DT 28553 1758 8 chamber chamber NN 28553 1758 9 C c NN 28553 1758 10 escapes escape VBZ 28553 1758 11 through through IN 28553 1758 12 the the DT 28553 1758 13 small small JJ 28553 1758 14 port port NN 28553 1758 15 _ _ NNP 28553 1758 16 a a DT 28553 1758 17 _ _ NNP 28553 1758 18 to to IN 28553 1758 19 the the DT 28553 1758 20 atmosphere atmosphere NN 28553 1758 21 . . . 28553 1759 1 The the DT 28553 1759 2 steam steam NN 28553 1759 3 , , , 28553 1759 4 acting act VBG 28553 1759 5 on on IN 28553 1759 6 the the DT 28553 1759 7 lower low JJR 28553 1759 8 surface surface NN 28553 1759 9 of of IN 28553 1759 10 valve valve NN 28553 1759 11 14 14 CD 28553 1759 12 , , , 28553 1759 13 lifts lift VBZ 28553 1759 14 it -PRON- PRP 28553 1759 15 and and CC 28553 1759 16 its -PRON- PRP$ 28553 1759 17 piston piston NN 28553 1759 18 to to IN 28553 1759 19 the the DT 28553 1759 20 position position NN 28553 1759 21 shown show VBN 28553 1759 22 , , , 28553 1759 23 and and CC 28553 1759 24 again again RB 28553 1759 25 flows flow VBZ 28553 1759 26 to to IN 28553 1759 27 the the DT 28553 1759 28 pump pump NN 28553 1759 29 , , , 28553 1759 30 which which WDT 28553 1759 31 works work VBZ 28553 1759 32 until until IN 28553 1759 33 the the DT 28553 1759 34 required require VBN 28553 1759 35 air air NN 28553 1759 36 - - HYPH 28553 1759 37 pressure pressure NN 28553 1759 38 is be VBZ 28553 1759 39 again again RB 28553 1759 40 obtained obtain VBN 28553 1759 41 in in IN 28553 1759 42 the the DT 28553 1759 43 reservoir reservoir NN 28553 1759 44 . . . 28553 1760 1 [ [ -LRB- 28553 1760 2 Illustration illustration NN 28553 1760 3 : : : 28553 1760 4 FIG FIG NNP 28553 1760 5 . . . 28553 1761 1 90.--Air 90.--air CD 28553 1761 2 - - HYPH 28553 1761 3 pump pump NN 28553 1761 4 of of IN 28553 1761 5 Westinghouse Westinghouse NNP 28553 1761 6 brake brake NN 28553 1761 7 . . . 28553 1761 8 ] ] -RRB- 28553 1762 1 [ [ -LRB- 28553 1762 2 21 21 CD 28553 1762 3 ] ] -RRB- 28553 1762 4 This this DT 28553 1762 5 resembles resemble VBZ 28553 1762 6 the the DT 28553 1762 7 upper upper JJ 28553 1762 8 part part NN 28553 1762 9 of of IN 28553 1762 10 the the DT 28553 1762 11 rudimentary rudimentary JJ 28553 1762 12 water water NN 28553 1762 13 injector injector NN 28553 1762 14 shown show VBN 28553 1762 15 in in IN 28553 1762 16 Fig Fig NNP 28553 1762 17 . . . 28553 1763 1 15 15 CD 28553 1763 2 . . . 28553 1764 1 The the DT 28553 1764 2 reader reader NN 28553 1764 3 need nee MD 28553 1764 4 only only RB 28553 1764 5 imagine imagine VB 28553 1764 6 pipe pipe NN 28553 1764 7 B b NN 28553 1764 8 to to TO 28553 1764 9 be be VB 28553 1764 10 connected connect VBN 28553 1764 11 with with IN 28553 1764 12 the the DT 28553 1764 13 train train NN 28553 1764 14 pipe pipe NN 28553 1764 15 . . . 28553 1765 1 A a DT 28553 1765 2 rush rush NN 28553 1765 3 of of IN 28553 1765 4 steam steam NN 28553 1765 5 through through IN 28553 1765 6 pipe pipe NN 28553 1765 7 A a DT 28553 1765 8 creates create VBZ 28553 1765 9 a a DT 28553 1765 10 partial partial JJ 28553 1765 11 vacuum vacuum NN 28553 1765 12 in in IN 28553 1765 13 the the DT 28553 1765 14 cone cone NN 28553 1765 15 E e NN 28553 1765 16 , , , 28553 1765 17 causing cause VBG 28553 1765 18 air air NN 28553 1765 19 from from IN 28553 1765 20 the the DT 28553 1765 21 train train NN 28553 1765 22 pipe pipe NN 28553 1765 23 to to TO 28553 1765 24 rush rush VB 28553 1765 25 into into IN 28553 1765 26 it -PRON- PRP 28553 1765 27 and and CC 28553 1765 28 be be VB 28553 1765 29 expelled expel VBN 28553 1765 30 by by IN 28553 1765 31 the the DT 28553 1765 32 steam steam NN 28553 1765 33 blast blast NN 28553 1765 34 . . . 28553 1766 1 Chapter chapter NN 28553 1766 2 XI XI NNP 28553 1766 3 . . . 28553 1767 1 RAILWAY railway JJ 28553 1767 2 SIGNALLING signalling NN 28553 1767 3 . . . 28553 1768 1 The the DT 28553 1768 2 block block NN 28553 1768 3 system system NN 28553 1768 4 -- -- : 28553 1768 5 Position position NN 28553 1768 6 of of IN 28553 1768 7 signals signal NNS 28553 1768 8 -- -- : 28553 1768 9 Interlocking interlock VBG 28553 1768 10 the the DT 28553 1768 11 signals signal NNS 28553 1768 12 -- -- : 28553 1768 13 Locking lock VBG 28553 1768 14 gear gear NN 28553 1768 15 -- -- : 28553 1768 16 Points point NNS 28553 1768 17 -- -- : 28553 1768 18 Points point NNS 28553 1768 19 and and CC 28553 1768 20 signals signal NNS 28553 1768 21 in in IN 28553 1768 22 combination combination NN 28553 1768 23 -- -- : 28553 1768 24 Working work VBG 28553 1768 25 the the DT 28553 1768 26 block block NN 28553 1768 27 system system NN 28553 1768 28 -- -- : 28553 1768 29 Series Series NNP 28553 1768 30 of of IN 28553 1768 31 signalling signal VBG 28553 1768 32 operations operation NNS 28553 1768 33 -- -- : 28553 1768 34 Single single JJ 28553 1768 35 line line NN 28553 1768 36 signals signal NNS 28553 1768 37 -- -- : 28553 1768 38 The the DT 28553 1768 39 train train NN 28553 1768 40 staff staff NN 28553 1768 41 -- -- : 28553 1768 42 Train train NN 28553 1768 43 staff staff NN 28553 1768 44 and and CC 28553 1768 45 ticket ticket NN 28553 1768 46 -- -- : 28553 1768 47 Electric electric JJ 28553 1768 48 train train NN 28553 1768 49 staff staff NN 28553 1768 50 system system NN 28553 1768 51 -- -- : 28553 1768 52 Interlocking interlock VBG 28553 1768 53 -- -- : 28553 1768 54 Signalling signal VBG 28553 1768 55 operations operation NNS 28553 1768 56 -- -- : 28553 1768 57 Power power NN 28553 1768 58 signalling signal VBG 28553 1768 59 -- -- : 28553 1768 60 Pneumatic pneumatic JJ 28553 1768 61 signalling signalling NN 28553 1768 62 -- -- : 28553 1768 63 Automatic automatic JJ 28553 1768 64 signalling signalling NN 28553 1768 65 . . . 28553 1769 1 Under under IN 28553 1769 2 certain certain JJ 28553 1769 3 conditions condition NNS 28553 1769 4 -- -- : 28553 1769 5 namely namely RB 28553 1769 6 , , , 28553 1769 7 at at IN 28553 1769 8 sharp sharp JJ 28553 1769 9 curves curve NNS 28553 1769 10 or or CC 28553 1769 11 in in IN 28553 1769 12 darkness darkness NN 28553 1769 13 -- -- : 28553 1769 14 the the DT 28553 1769 15 most most RBS 28553 1769 16 powerful powerful JJ 28553 1769 17 brakes brake NNS 28553 1769 18 might may MD 28553 1769 19 not not RB 28553 1769 20 avail avail VB 28553 1769 21 to to TO 28553 1769 22 prevent prevent VB 28553 1769 23 a a DT 28553 1769 24 train train NN 28553 1769 25 running run VBG 28553 1769 26 into into IN 28553 1769 27 the the DT 28553 1769 28 rear rear NN 28553 1769 29 of of IN 28553 1769 30 another another DT 28553 1769 31 , , , 28553 1769 32 if if IN 28553 1769 33 trains train NNS 28553 1769 34 were be VBD 28553 1769 35 allowed allow VBN 28553 1769 36 to to TO 28553 1769 37 follow follow VB 28553 1769 38 each each DT 28553 1769 39 other other JJ 28553 1769 40 closely closely RB 28553 1769 41 over over IN 28553 1769 42 the the DT 28553 1769 43 line line NN 28553 1769 44 . . . 28553 1770 1 It -PRON- PRP 28553 1770 2 is be VBZ 28553 1770 3 therefore therefore RB 28553 1770 4 necessary necessary JJ 28553 1770 5 to to TO 28553 1770 6 introduce introduce VB 28553 1770 7 an an DT 28553 1770 8 effective effective JJ 28553 1770 9 system system NN 28553 1770 10 of of IN 28553 1770 11 keeping keep VBG 28553 1770 12 trains train NNS 28553 1770 13 running run VBG 28553 1770 14 in in IN 28553 1770 15 the the DT 28553 1770 16 same same JJ 28553 1770 17 direction direction NN 28553 1770 18 a a DT 28553 1770 19 sufficient sufficient JJ 28553 1770 20 distance distance NN 28553 1770 21 apart apart RB 28553 1770 22 , , , 28553 1770 23 and and CC 28553 1770 24 this this DT 28553 1770 25 is be VBZ 28553 1770 26 done do VBN 28553 1770 27 by by IN 28553 1770 28 giving give VBG 28553 1770 29 visible visible JJ 28553 1770 30 and and CC 28553 1770 31 easily easily RB 28553 1770 32 understood understand VBN 28553 1770 33 orders order NNS 28553 1770 34 to to IN 28553 1770 35 the the DT 28553 1770 36 driver driver NN 28553 1770 37 while while IN 28553 1770 38 a a DT 28553 1770 39 train train NN 28553 1770 40 is be VBZ 28553 1770 41 in in IN 28553 1770 42 motion motion NN 28553 1770 43 . . . 28553 1771 1 In in IN 28553 1771 2 the the DT 28553 1771 3 early early JJ 28553 1771 4 days day NNS 28553 1771 5 of of IN 28553 1771 6 the the DT 28553 1771 7 railway railway NN 28553 1771 8 it -PRON- PRP 28553 1771 9 was be VBD 28553 1771 10 customary customary JJ 28553 1771 11 to to TO 28553 1771 12 allow allow VB 28553 1771 13 a a DT 28553 1771 14 time time NN 28553 1771 15 interval interval NN 28553 1771 16 between between IN 28553 1771 17 the the DT 28553 1771 18 passings passing NNS 28553 1771 19 of of IN 28553 1771 20 trains train NNS 28553 1771 21 , , , 28553 1771 22 a a DT 28553 1771 23 train train NN 28553 1771 24 not not RB 28553 1771 25 being be VBG 28553 1771 26 permitted permit VBN 28553 1771 27 to to TO 28553 1771 28 leave leave VB 28553 1771 29 a a DT 28553 1771 30 station station NN 28553 1771 31 until until IN 28553 1771 32 at at IN 28553 1771 33 least least RBS 28553 1771 34 five five CD 28553 1771 35 minutes minute NNS 28553 1771 36 after after IN 28553 1771 37 the the DT 28553 1771 38 start start NN 28553 1771 39 of of IN 28553 1771 40 a a DT 28553 1771 41 preceding precede VBG 28553 1771 42 train train NN 28553 1771 43 . . . 28553 1772 1 This this DT 28553 1772 2 method method NN 28553 1772 3 did do VBD 28553 1772 4 not not RB 28553 1772 5 , , , 28553 1772 6 of of IN 28553 1772 7 course course NN 28553 1772 8 , , , 28553 1772 9 prevent prevent VB 28553 1772 10 collisions collision NNS 28553 1772 11 , , , 28553 1772 12 as as IN 28553 1772 13 the the DT 28553 1772 14 first first JJ 28553 1772 15 train train NN 28553 1772 16 sometimes sometimes RB 28553 1772 17 broke break VBD 28553 1772 18 down down RP 28553 1772 19 soon soon RB 28553 1772 20 after after IN 28553 1772 21 leaving leave VBG 28553 1772 22 the the DT 28553 1772 23 station station NN 28553 1772 24 ; ; , 28553 1772 25 and and CC 28553 1772 26 in in IN 28553 1772 27 the the DT 28553 1772 28 absence absence NN 28553 1772 29 of of IN 28553 1772 30 effective effective JJ 28553 1772 31 brakes brake NNS 28553 1772 32 , , , 28553 1772 33 its -PRON- PRP$ 28553 1772 34 successor successor NN 28553 1772 35 ran run VBD 28553 1772 36 into into IN 28553 1772 37 it -PRON- PRP 28553 1772 38 . . . 28553 1773 1 The the DT 28553 1773 2 advent advent NN 28553 1773 3 of of IN 28553 1773 4 the the DT 28553 1773 5 electric electric JJ 28553 1773 6 telegraph telegraph NN 28553 1773 7 , , , 28553 1773 8 which which WDT 28553 1773 9 put put VBD 28553 1773 10 stations station NNS 28553 1773 11 in in IN 28553 1773 12 rapid rapid JJ 28553 1773 13 communication communication NN 28553 1773 14 with with IN 28553 1773 15 one one CD 28553 1773 16 another another DT 28553 1773 17 , , , 28553 1773 18 proved prove VBN 28553 1773 19 of of IN 28553 1773 20 the the DT 28553 1773 21 utmost utmost JJ 28553 1773 22 value value NN 28553 1773 23 to to IN 28553 1773 24 the the DT 28553 1773 25 safe safe JJ 28553 1773 26 working working NN 28553 1773 27 of of IN 28553 1773 28 railways railway NNS 28553 1773 29 . . . 28553 1774 1 THE the DT 28553 1774 2 BLOCK BLOCK NNP 28553 1774 3 SYSTEM SYSTEM NNP 28553 1774 4 . . . 28553 1775 1 Time Time NNP 28553 1775 2 limits limit NNS 28553 1775 3 were be VBD 28553 1775 4 abolished abolish VBN 28553 1775 5 and and CC 28553 1775 6 distance distance NN 28553 1775 7 limits limit NNS 28553 1775 8 substituted substitute VBN 28553 1775 9 . . . 28553 1776 1 A a DT 28553 1776 2 line line NN 28553 1776 3 was be VBD 28553 1776 4 divided divide VBN 28553 1776 5 into into IN 28553 1776 6 _ _ NNP 28553 1776 7 blocks block NNS 28553 1776 8 _ _ NNP 28553 1776 9 , , , 28553 1776 10 or or CC 28553 1776 11 lengths length NNS 28553 1776 12 , , , 28553 1776 13 and and CC 28553 1776 14 two two CD 28553 1776 15 trains train NNS 28553 1776 16 going go VBG 28553 1776 17 in in IN 28553 1776 18 the the DT 28553 1776 19 same same JJ 28553 1776 20 direction direction NN 28553 1776 21 were be VBD 28553 1776 22 never never RB 28553 1776 23 allowed allow VBN 28553 1776 24 on on IN 28553 1776 25 any any DT 28553 1776 26 one one CD 28553 1776 27 block block NN 28553 1776 28 at at IN 28553 1776 29 the the DT 28553 1776 30 same same JJ 28553 1776 31 time time NN 28553 1776 32 . . . 28553 1777 1 The the DT 28553 1777 2 signal signal NN 28553 1777 3 - - HYPH 28553 1777 4 posts post NNS 28553 1777 5 carrying carry VBG 28553 1777 6 the the DT 28553 1777 7 movable movable JJ 28553 1777 8 arms arm NNS 28553 1777 9 , , , 28553 1777 10 or or CC 28553 1777 11 semaphores semaphore NNS 28553 1777 12 , , , 28553 1777 13 by by IN 28553 1777 14 means mean NNS 28553 1777 15 of of IN 28553 1777 16 which which WDT 28553 1777 17 the the DT 28553 1777 18 signalman signalman NN 28553 1777 19 communicates communicate VBZ 28553 1777 20 with with IN 28553 1777 21 the the DT 28553 1777 22 engine engine NN 28553 1777 23 - - HYPH 28553 1777 24 driver driver NN 28553 1777 25 , , , 28553 1777 26 are be VBP 28553 1777 27 well well RB 28553 1777 28 known known JJ 28553 1777 29 to to IN 28553 1777 30 us -PRON- PRP 28553 1777 31 . . . 28553 1778 1 They -PRON- PRP 28553 1778 2 are be VBP 28553 1778 3 usually usually RB 28553 1778 4 placed place VBN 28553 1778 5 on on IN 28553 1778 6 the the DT 28553 1778 7 left left JJ 28553 1778 8 - - HYPH 28553 1778 9 hand hand NN 28553 1778 10 side side NN 28553 1778 11 of of IN 28553 1778 12 the the DT 28553 1778 13 line line NN 28553 1778 14 of of IN 28553 1778 15 rails rail NNS 28553 1778 16 to to TO 28553 1778 17 which which WDT 28553 1778 18 they -PRON- PRP 28553 1778 19 apply apply VBP 28553 1778 20 , , , 28553 1778 21 with with IN 28553 1778 22 their -PRON- PRP$ 28553 1778 23 arms arm NNS 28553 1778 24 pointing point VBG 28553 1778 25 away away RB 28553 1778 26 from from IN 28553 1778 27 the the DT 28553 1778 28 rails rail NNS 28553 1778 29 . . . 28553 1779 1 The the DT 28553 1779 2 side side NN 28553 1779 3 of of IN 28553 1779 4 the the DT 28553 1779 5 arms arm NNS 28553 1779 6 which which WDT 28553 1779 7 faces face VBZ 28553 1779 8 the the DT 28553 1779 9 direction direction NN 28553 1779 10 from from IN 28553 1779 11 which which WDT 28553 1779 12 a a DT 28553 1779 13 train train NN 28553 1779 14 approaches approach NNS 28553 1779 15 has have VBZ 28553 1779 16 a a DT 28553 1779 17 white white JJ 28553 1779 18 stripe stripe NN 28553 1779 19 painted paint VBN 28553 1779 20 on on IN 28553 1779 21 a a DT 28553 1779 22 red red JJ 28553 1779 23 background background NN 28553 1779 24 , , , 28553 1779 25 the the DT 28553 1779 26 other other JJ 28553 1779 27 side side NN 28553 1779 28 has have VBZ 28553 1779 29 a a DT 28553 1779 30 black black JJ 28553 1779 31 stripe stripe NN 28553 1779 32 on on IN 28553 1779 33 a a DT 28553 1779 34 white white JJ 28553 1779 35 background background NN 28553 1779 36 . . . 28553 1780 1 The the DT 28553 1780 2 distant distant JJ 28553 1780 3 and and CC 28553 1780 4 other other JJ 28553 1780 5 signal signal JJ 28553 1780 6 arms arm NNS 28553 1780 7 vary vary VBP 28553 1780 8 slightly slightly RB 28553 1780 9 in in IN 28553 1780 10 shape shape NN 28553 1780 11 ( ( -LRB- 28553 1780 12 Fig fig NN 28553 1780 13 . . . 28553 1781 1 91 91 CD 28553 1781 2 ) ) -RRB- 28553 1781 3 . . . 28553 1782 1 A a DT 28553 1782 2 distant distant JJ 28553 1782 3 signal signal NN 28553 1782 4 has have VBZ 28553 1782 5 a a DT 28553 1782 6 forked forked JJ 28553 1782 7 end end NN 28553 1782 8 and and CC 28553 1782 9 a a DT 28553 1782 10 V v NN 28553 1782 11 - - HYPH 28553 1782 12 shaped shape VBN 28553 1782 13 stripe stripe NN 28553 1782 14 ; ; : 28553 1782 15 the the DT 28553 1782 16 home home NN 28553 1782 17 and and CC 28553 1782 18 starting starting NN 28553 1782 19 signals signal NNS 28553 1782 20 are be VBP 28553 1782 21 square square JJ 28553 1782 22 - - HYPH 28553 1782 23 ended ended JJ 28553 1782 24 , , , 28553 1782 25 with with IN 28553 1782 26 straight straight JJ 28553 1782 27 stripes stripe NNS 28553 1782 28 . . . 28553 1783 1 When when WRB 28553 1783 2 the the DT 28553 1783 3 arm arm NN 28553 1783 4 stands stand VBZ 28553 1783 5 horizontally horizontally RB 28553 1783 6 , , , 28553 1783 7 the the DT 28553 1783 8 signal signal NN 28553 1783 9 is be VBZ 28553 1783 10 " " `` 28553 1783 11 on on IN 28553 1783 12 , , , 28553 1783 13 " " '' 28553 1783 14 or or CC 28553 1783 15 at at IN 28553 1783 16 " " `` 28553 1783 17 danger danger NN 28553 1783 18 " " '' 28553 1783 19 ; ; : 28553 1783 20 when when WRB 28553 1783 21 dropped drop VBN 28553 1783 22 , , , 28553 1783 23 it -PRON- PRP 28553 1783 24 is be VBZ 28553 1783 25 " " `` 28553 1783 26 off off RB 28553 1783 27 , , , 28553 1783 28 " " '' 28553 1783 29 and and CC 28553 1783 30 indicates indicate VBZ 28553 1783 31 " " `` 28553 1783 32 All all RB 28553 1783 33 right right RB 28553 1783 34 ; ; : 28553 1783 35 proceed proceed VB 28553 1783 36 . . . 28553 1783 37 " " '' 28553 1784 1 At at IN 28553 1784 2 the the DT 28553 1784 3 end end NN 28553 1784 4 nearest nearest RB 28553 1784 5 the the DT 28553 1784 6 post post NN 28553 1784 7 it -PRON- PRP 28553 1784 8 carries carry VBZ 28553 1784 9 a a DT 28553 1784 10 spectacle spectacle NN 28553 1784 11 frame frame NN 28553 1784 12 glazed glaze VBN 28553 1784 13 with with IN 28553 1784 14 panes pane NNS 28553 1784 15 of of IN 28553 1784 16 red red JJ 28553 1784 17 and and CC 28553 1784 18 green green JJ 28553 1784 19 glass glass NN 28553 1784 20 . . . 28553 1785 1 When when WRB 28553 1785 2 the the DT 28553 1785 3 arm arm NN 28553 1785 4 is be VBZ 28553 1785 5 at at IN 28553 1785 6 danger danger NN 28553 1785 7 , , , 28553 1785 8 the the DT 28553 1785 9 red red JJ 28553 1785 10 pane pane NN 28553 1785 11 is be VBZ 28553 1785 12 opposite opposite IN 28553 1785 13 a a DT 28553 1785 14 lamp lamp NN 28553 1785 15 attached attach VBN 28553 1785 16 to to IN 28553 1785 17 the the DT 28553 1785 18 signal signal NNP 28553 1785 19 post post NN 28553 1785 20 ; ; : 28553 1785 21 when when WRB 28553 1785 22 the the DT 28553 1785 23 arm arm NN 28553 1785 24 drops drop VBZ 28553 1785 25 , , , 28553 1785 26 the the DT 28553 1785 27 green green JJ 28553 1785 28 pane pane NN 28553 1785 29 rises rise VBZ 28553 1785 30 to to IN 28553 1785 31 that that DT 28553 1785 32 position position NN 28553 1785 33 -- -- : 28553 1785 34 so so IN 28553 1785 35 that that IN 28553 1785 36 a a DT 28553 1785 37 driver driver NN 28553 1785 38 is be VBZ 28553 1785 39 kept keep VBN 28553 1785 40 as as RB 28553 1785 41 fully fully RB 28553 1785 42 informed inform VBN 28553 1785 43 at at IN 28553 1785 44 night night NN 28553 1785 45 as as IN 28553 1785 46 during during IN 28553 1785 47 the the DT 28553 1785 48 day day NN 28553 1785 49 , , , 28553 1785 50 provided provide VBD 28553 1785 51 the the DT 28553 1785 52 lamp lamp NN 28553 1785 53 remains remain VBZ 28553 1785 54 alight alight JJ 28553 1785 55 . . . 28553 1786 1 [ [ -LRB- 28553 1786 2 Illustration illustration NN 28553 1786 3 : : : 28553 1786 4 FIG FIG NNP 28553 1786 5 . . . 28553 1787 1 91.--Distant 91.--distant CD 28553 1787 2 and and CC 28553 1787 3 home home NN 28553 1787 4 signals signal NNS 28553 1787 5 . . . 28553 1787 6 ] ] -RRB- 28553 1788 1 POSITION POSITION NNP 28553 1788 2 OF of IN 28553 1788 3 SIGNALS SIGNALS NNP 28553 1788 4 . . . 28553 1789 1 On on IN 28553 1789 2 double double JJ 28553 1789 3 lines line NNS 28553 1789 4 each each DT 28553 1789 5 set set NN 28553 1789 6 of of IN 28553 1789 7 rails rail NNS 28553 1789 8 has have VBZ 28553 1789 9 its -PRON- PRP$ 28553 1789 10 own own JJ 28553 1789 11 separate separate JJ 28553 1789 12 signals signal NNS 28553 1789 13 , , , 28553 1789 14 and and CC 28553 1789 15 drivers driver NNS 28553 1789 16 travelling travel VBG 28553 1789 17 on on IN 28553 1789 18 the the DT 28553 1789 19 " " `` 28553 1789 20 up up RP 28553 1789 21 " " '' 28553 1789 22 line line NN 28553 1789 23 take take VBP 28553 1789 24 no no DT 28553 1789 25 notice notice NN 28553 1789 26 of of IN 28553 1789 27 signals signal NNS 28553 1789 28 meant mean VBN 28553 1789 29 for for IN 28553 1789 30 the the DT 28553 1789 31 " " `` 28553 1789 32 down down RB 28553 1789 33 " " '' 28553 1789 34 line line NN 28553 1789 35 . . . 28553 1790 1 Each each DT 28553 1790 2 signal signal NN 28553 1790 3 - - HYPH 28553 1790 4 box box NN 28553 1790 5 usually usually RB 28553 1790 6 controls control VBZ 28553 1790 7 three three CD 28553 1790 8 signals signal NNS 28553 1790 9 on on IN 28553 1790 10 each each DT 28553 1790 11 set set NN 28553 1790 12 of of IN 28553 1790 13 rails rail NNS 28553 1790 14 -- -- : 28553 1790 15 the the DT 28553 1790 16 distant distant JJ 28553 1790 17 , , , 28553 1790 18 the the DT 28553 1790 19 home home NN 28553 1790 20 , , , 28553 1790 21 and and CC 28553 1790 22 the the DT 28553 1790 23 starting starting NN 28553 1790 24 . . . 28553 1791 1 Their -PRON- PRP$ 28553 1791 2 respective respective JJ 28553 1791 3 positions position NNS 28553 1791 4 will will MD 28553 1791 5 be be VB 28553 1791 6 gathered gather VBN 28553 1791 7 from from IN 28553 1791 8 Fig Fig NNP 28553 1791 9 . . . 28553 1792 1 92 92 CD 28553 1792 2 , , , 28553 1792 3 which which WDT 28553 1792 4 shows show VBZ 28553 1792 5 a a DT 28553 1792 6 station station NN 28553 1792 7 on on IN 28553 1792 8 a a DT 28553 1792 9 double double JJ 28553 1792 10 line line NN 28553 1792 11 . . . 28553 1793 1 Between between IN 28553 1793 2 the the DT 28553 1793 3 distant distant JJ 28553 1793 4 and and CC 28553 1793 5 the the DT 28553 1793 6 home home NN 28553 1793 7 an an DT 28553 1793 8 interval interval NN 28553 1793 9 is be VBZ 28553 1793 10 allowed allow VBN 28553 1793 11 of of IN 28553 1793 12 800 800 CD 28553 1793 13 yards yard NNS 28553 1793 14 on on IN 28553 1793 15 the the DT 28553 1793 16 level level NN 28553 1793 17 , , , 28553 1793 18 1,000 1,000 CD 28553 1793 19 yards yard NNS 28553 1793 20 on on IN 28553 1793 21 a a DT 28553 1793 22 falling fall VBG 28553 1793 23 gradient gradient NN 28553 1793 24 , , , 28553 1793 25 and and CC 28553 1793 26 600 600 CD 28553 1793 27 yards yard NNS 28553 1793 28 on on IN 28553 1793 29 a a DT 28553 1793 30 rising rise VBG 28553 1793 31 gradient gradient NN 28553 1793 32 . . . 28553 1794 1 The the DT 28553 1794 2 home home NN 28553 1794 3 stands stand VBZ 28553 1794 4 near near IN 28553 1794 5 the the DT 28553 1794 6 approach approach NN 28553 1794 7 end end NN 28553 1794 8 of of IN 28553 1794 9 the the DT 28553 1794 10 station station NN 28553 1794 11 , , , 28553 1794 12 and and CC 28553 1794 13 the the DT 28553 1794 14 starting starting NN 28553 1794 15 at at IN 28553 1794 16 the the DT 28553 1794 17 departure departure NN 28553 1794 18 end end NN 28553 1794 19 of of IN 28553 1794 20 the the DT 28553 1794 21 platform platform NN 28553 1794 22 . . . 28553 1795 1 The the DT 28553 1795 2 last last JJ 28553 1795 3 is be VBZ 28553 1795 4 sometimes sometimes RB 28553 1795 5 reinforced reinforce VBN 28553 1795 6 by by IN 28553 1795 7 an an DT 28553 1795 8 " " `` 28553 1795 9 advance advance NN 28553 1795 10 starting start VBG 28553 1795 11 " " '' 28553 1795 12 signal signal NN 28553 1795 13 some some DT 28553 1795 14 distance distance NN 28553 1795 15 farther farther RB 28553 1795 16 on on RB 28553 1795 17 . . . 28553 1796 1 It -PRON- PRP 28553 1796 2 should should MD 28553 1796 3 be be VB 28553 1796 4 noted note VBN 28553 1796 5 that that IN 28553 1796 6 the the DT 28553 1796 7 distant distant NN 28553 1796 8 is be VBZ 28553 1796 9 only only RB 28553 1796 10 a a DT 28553 1796 11 _ _ NNP 28553 1796 12 caution caution NN 28553 1796 13 _ _ NNP 28553 1796 14 signal signal NN 28553 1796 15 , , , 28553 1796 16 whereas whereas IN 28553 1796 17 both both CC 28553 1796 18 home home NN 28553 1796 19 and and CC 28553 1796 20 starting starting NN 28553 1796 21 are be VBP 28553 1796 22 _ _ NNP 28553 1796 23 stop stop NN 28553 1796 24 _ _ NNP 28553 1796 25 signals signal NNS 28553 1796 26 . . . 28553 1797 1 This this DT 28553 1797 2 means mean VBZ 28553 1797 3 that that IN 28553 1797 4 when when WRB 28553 1797 5 the the DT 28553 1797 6 driver driver NN 28553 1797 7 sees see VBZ 28553 1797 8 the the DT 28553 1797 9 distant distant JJ 28553 1797 10 " " '' 28553 1797 11 on on RP 28553 1797 12 , , , 28553 1797 13 " " '' 28553 1797 14 he -PRON- PRP 28553 1797 15 does do VBZ 28553 1797 16 not not RB 28553 1797 17 stop stop VB 28553 1797 18 his -PRON- PRP$ 28553 1797 19 train train NN 28553 1797 20 , , , 28553 1797 21 but but CC 28553 1797 22 slackens slacken VBZ 28553 1797 23 speed speed NN 28553 1797 24 , , , 28553 1797 25 and and CC 28553 1797 26 prepares prepare VBZ 28553 1797 27 to to TO 28553 1797 28 stop stop VB 28553 1797 29 at at IN 28553 1797 30 the the DT 28553 1797 31 home home NN 28553 1797 32 signal signal NN 28553 1797 33 . . . 28553 1798 1 He -PRON- PRP 28553 1798 2 must must MD 28553 1798 3 , , , 28553 1798 4 however however RB 28553 1798 5 , , , 28553 1798 6 on on IN 28553 1798 7 no no DT 28553 1798 8 account account NN 28553 1798 9 pass pass NN 28553 1798 10 either either CC 28553 1798 11 home home NN 28553 1798 12 or or CC 28553 1798 13 starting start VBG 28553 1798 14 if if IN 28553 1798 15 they -PRON- PRP 28553 1798 16 are be VBP 28553 1798 17 at at IN 28553 1798 18 danger danger NN 28553 1798 19 . . . 28553 1799 1 In in IN 28553 1799 2 short short JJ 28553 1799 3 , , , 28553 1799 4 the the DT 28553 1799 5 distant distant NN 28553 1799 6 merely merely RB 28553 1799 7 warns warn VBZ 28553 1799 8 the the DT 28553 1799 9 driver driver NN 28553 1799 10 of of IN 28553 1799 11 what what WP 28553 1799 12 he -PRON- PRP 28553 1799 13 may may MD 28553 1799 14 expect expect VB 28553 1799 15 at at IN 28553 1799 16 the the DT 28553 1799 17 home home NN 28553 1799 18 . . . 28553 1800 1 To to TO 28553 1800 2 prevent prevent VB 28553 1800 3 damage damage NN 28553 1800 4 if if IN 28553 1800 5 a a DT 28553 1800 6 driver driver NN 28553 1800 7 should should MD 28553 1800 8 overrun overrun VB 28553 1800 9 the the DT 28553 1800 10 home home NN 28553 1800 11 , , , 28553 1800 12 it -PRON- PRP 28553 1800 13 has have VBZ 28553 1800 14 been be VBN 28553 1800 15 laid lay VBN 28553 1800 16 down down RP 28553 1800 17 that that IN 28553 1800 18 no no DT 28553 1800 19 train train NN 28553 1800 20 shall shall MD 28553 1800 21 be be VB 28553 1800 22 allowed allow VBN 28553 1800 23 to to TO 28553 1800 24 pass pass VB 28553 1800 25 the the DT 28553 1800 26 starting starting NN 28553 1800 27 signal signal NN 28553 1800 28 of of IN 28553 1800 29 one one CD 28553 1800 30 box box NN 28553 1800 31 unless unless IN 28553 1800 32 the the DT 28553 1800 33 line line NN 28553 1800 34 is be VBZ 28553 1800 35 clear clear JJ 28553 1800 36 to to IN 28553 1800 37 a a DT 28553 1800 38 point point NN 28553 1800 39 at at IN 28553 1800 40 least least JJS 28553 1800 41 a a DT 28553 1800 42 quarter quarter NN 28553 1800 43 of of IN 28553 1800 44 a a DT 28553 1800 45 mile mile NN 28553 1800 46 beyond beyond IN 28553 1800 47 the the DT 28553 1800 48 home home NN 28553 1800 49 of of IN 28553 1800 50 the the DT 28553 1800 51 next next JJ 28553 1800 52 box box NN 28553 1800 53 . . . 28553 1801 1 That that DT 28553 1801 2 point point NN 28553 1801 3 is be VBZ 28553 1801 4 called call VBN 28553 1801 5 the the DT 28553 1801 6 _ _ NNP 28553 1801 7 standard standard JJ 28553 1801 8 clearing clearing NN 28553 1801 9 point point NN 28553 1801 10 _ _ NNP 28553 1801 11 . . . 28553 1802 1 Technically technically RB 28553 1802 2 described describe VBN 28553 1802 3 , , , 28553 1802 4 a a DT 28553 1802 5 _ _ NNP 28553 1802 6 block block NN 28553 1802 7 _ _ NNP 28553 1802 8 is be VBZ 28553 1802 9 a a DT 28553 1802 10 length length NN 28553 1802 11 of of IN 28553 1802 12 line line NN 28553 1802 13 between between IN 28553 1802 14 the the DT 28553 1802 15 last last JJ 28553 1802 16 stop stop NN 28553 1802 17 signal signal NN 28553 1802 18 worked work VBD 28553 1802 19 from from IN 28553 1802 20 one one CD 28553 1802 21 signal signal NN 28553 1802 22 - - HYPH 28553 1802 23 box box NN 28553 1802 24 and and CC 28553 1802 25 the the DT 28553 1802 26 first first JJ 28553 1802 27 stop stop NN 28553 1802 28 signal signal NN 28553 1802 29 worked work VBD 28553 1802 30 from from IN 28553 1802 31 the the DT 28553 1802 32 next next JJ 28553 1802 33 signal signal NN 28553 1802 34 - - HYPH 28553 1802 35 box box NN 28553 1802 36 in in IN 28553 1802 37 advance advance NN 28553 1802 38 . . . 28553 1803 1 [ [ -LRB- 28553 1803 2 Illustration illustration NN 28553 1803 3 : : : 28553 1803 4 FIG FIG NNP 28553 1803 5 . . . 28553 1804 1 92.--Showing 92.--showing CD 28553 1804 2 position position NN 28553 1804 3 of of IN 28553 1804 4 signals signal NNS 28553 1804 5 . . . 28553 1805 1 Those those DT 28553 1805 2 at at IN 28553 1805 3 the the DT 28553 1805 4 top top NN 28553 1805 5 are be VBP 28553 1805 6 " " `` 28553 1805 7 off off RB 28553 1805 8 . . . 28553 1805 9 " " '' 28553 1805 10 ] ] -RRB- 28553 1806 1 INTERLOCKING INTERLOCKING NNP 28553 1806 2 SIGNALS SIGNALS NNP 28553 1806 3 . . . 28553 1807 1 A a DT 28553 1807 2 signalman signalman NN 28553 1807 3 can can MD 28553 1807 4 not not RB 28553 1807 5 lower lower VB 28553 1807 6 or or CC 28553 1807 7 restore restore VB 28553 1807 8 his -PRON- PRP$ 28553 1807 9 signals signal NNS 28553 1807 10 to to IN 28553 1807 11 their -PRON- PRP$ 28553 1807 12 normal normal JJ 28553 1807 13 positions position NNS 28553 1807 14 in in IN 28553 1807 15 any any DT 28553 1807 16 order order NN 28553 1807 17 he -PRON- PRP 28553 1807 18 likes like VBZ 28553 1807 19 . . . 28553 1808 1 He -PRON- PRP 28553 1808 2 is be VBZ 28553 1808 3 compelled compel VBN 28553 1808 4 to to TO 28553 1808 5 lower lower VB 28553 1808 6 them -PRON- PRP 28553 1808 7 as as IN 28553 1808 8 follows:--Starting follows:--starting NN 28553 1808 9 and and CC 28553 1808 10 home home NN 28553 1808 11 ; ; : 28553 1808 12 _ _ NNP 28553 1808 13 then then RB 28553 1808 14 _ _ NNP 28553 1808 15 distant distant JJ 28553 1808 16 . . . 28553 1809 1 And and CC 28553 1809 2 restore restore VB 28553 1809 3 them -PRON- PRP 28553 1809 4 -- -- : 28553 1809 5 distant distant JJ 28553 1809 6 ; ; : 28553 1809 7 _ _ NNP 28553 1809 8 then then RB 28553 1809 9 _ _ NNP 28553 1809 10 starting starting NN 28553 1809 11 and and CC 28553 1809 12 home home NN 28553 1809 13 . . . 28553 1810 1 If if IN 28553 1810 2 a a DT 28553 1810 3 signalman signalman NN 28553 1810 4 were be VBD 28553 1810 5 quite quite RB 28553 1810 6 independent independent JJ 28553 1810 7 , , , 28553 1810 8 he -PRON- PRP 28553 1810 9 might may MD 28553 1810 10 , , , 28553 1810 11 after after IN 28553 1810 12 the the DT 28553 1810 13 passage passage NN 28553 1810 14 of of IN 28553 1810 15 a a DT 28553 1810 16 train train NN 28553 1810 17 , , , 28553 1810 18 restore restore VB 28553 1810 19 the the DT 28553 1810 20 home home NN 28553 1810 21 or or CC 28553 1810 22 starting start VBG 28553 1810 23 , , , 28553 1810 24 but but CC 28553 1810 25 forget forget VB 28553 1810 26 all all RB 28553 1810 27 about about IN 28553 1810 28 the the DT 28553 1810 29 distant distant JJ 28553 1810 30 , , , 28553 1810 31 so so IN 28553 1810 32 that that IN 28553 1810 33 the the DT 28553 1810 34 next next JJ 28553 1810 35 train train NN 28553 1810 36 , , , 28553 1810 37 which which WDT 28553 1810 38 he -PRON- PRP 28553 1810 39 wants want VBZ 28553 1810 40 to to TO 28553 1810 41 stop stop VB 28553 1810 42 , , , 28553 1810 43 would would MD 28553 1810 44 dash dash VB 28553 1810 45 past past IN 28553 1810 46 the the DT 28553 1810 47 distant distant JJ 28553 1810 48 without without IN 28553 1810 49 warning warning NN 28553 1810 50 and and CC 28553 1810 51 have have VBP 28553 1810 52 to to TO 28553 1810 53 pull pull VB 28553 1810 54 up up RP 28553 1810 55 suddenly suddenly RB 28553 1810 56 when when WRB 28553 1810 57 the the DT 28553 1810 58 home home NN 28553 1810 59 came come VBD 28553 1810 60 in in IN 28553 1810 61 sight sight NN 28553 1810 62 . . . 28553 1811 1 But but CC 28553 1811 2 by by IN 28553 1811 3 a a DT 28553 1811 4 mechanical mechanical JJ 28553 1811 5 arrangement arrangement NN 28553 1811 6 he -PRON- PRP 28553 1811 7 is be VBZ 28553 1811 8 prevented prevent VBN 28553 1811 9 from from IN 28553 1811 10 restoring restore VBG 28553 1811 11 the the DT 28553 1811 12 home home NN 28553 1811 13 or or CC 28553 1811 14 starting start VBG 28553 1811 15 until until IN 28553 1811 16 the the DT 28553 1811 17 distant distant NN 28553 1811 18 is be VBZ 28553 1811 19 at at IN 28553 1811 20 danger danger NN 28553 1811 21 ; ; : 28553 1811 22 and and CC 28553 1811 23 , , , 28553 1811 24 _ _ NNP 28553 1811 25 vice vice NNP 28553 1811 26 versâ versâ NNP 28553 1811 27 _ _ NNP 28553 1811 28 , , , 28553 1811 29 he -PRON- PRP 28553 1811 30 can can MD 28553 1811 31 not not RB 28553 1811 32 lower lower VB 28553 1811 33 the the DT 28553 1811 34 last last JJ 28553 1811 35 until until IN 28553 1811 36 the the DT 28553 1811 37 other other JJ 28553 1811 38 two two CD 28553 1811 39 are be VBP 28553 1811 40 off off RB 28553 1811 41 . . . 28553 1812 1 This this DT 28553 1812 2 mechanism mechanism NN 28553 1812 3 is be VBZ 28553 1812 4 called call VBN 28553 1812 5 _ _ NNP 28553 1812 6 locking lock VBG 28553 1812 7 gear gear NN 28553 1812 8 _ _ NNP 28553 1812 9 . . . 28553 1813 1 LOOKING looking JJ 28553 1813 2 GEAR GEAR NNP 28553 1813 3 . . . 28553 1814 1 There there EX 28553 1814 2 are be VBP 28553 1814 3 many many JJ 28553 1814 4 different different JJ 28553 1814 5 types type NNS 28553 1814 6 of of IN 28553 1814 7 locking lock VBG 28553 1814 8 gear gear NN 28553 1814 9 in in IN 28553 1814 10 use use NN 28553 1814 11 . . . 28553 1815 1 It -PRON- PRP 28553 1815 2 is be VBZ 28553 1815 3 impossible impossible JJ 28553 1815 4 to to TO 28553 1815 5 describe describe VB 28553 1815 6 them -PRON- PRP 28553 1815 7 all all DT 28553 1815 8 , , , 28553 1815 9 or or CC 28553 1815 10 even even RB 28553 1815 11 to to TO 28553 1815 12 give give VB 28553 1815 13 particulars particular NNS 28553 1815 14 of of IN 28553 1815 15 an an DT 28553 1815 16 elaborate elaborate JJ 28553 1815 17 locking lock VBG 28553 1815 18 - - HYPH 28553 1815 19 frame frame NN 28553 1815 20 of of IN 28553 1815 21 any any DT 28553 1815 22 one one CD 28553 1815 23 type type NN 28553 1815 24 . . . 28553 1816 1 But but CC 28553 1816 2 if if IN 28553 1816 3 we -PRON- PRP 28553 1816 4 confine confine VBP 28553 1816 5 ourselves -PRON- PRP 28553 1816 6 to to IN 28553 1816 7 the the DT 28553 1816 8 simplest simple JJS 28553 1816 9 combination combination NN 28553 1816 10 of of IN 28553 1816 11 a a DT 28553 1816 12 stud stud NN 28553 1816 13 - - HYPH 28553 1816 14 locking lock VBG 28553 1816 15 apparatus apparatus NN 28553 1816 16 , , , 28553 1816 17 such such JJ 28553 1816 18 as as IN 28553 1816 19 is be VBZ 28553 1816 20 used use VBN 28553 1816 21 in in IN 28553 1816 22 small small JJ 28553 1816 23 boxes box NNS 28553 1816 24 on on IN 28553 1816 25 the the DT 28553 1816 26 Great Great NNP 28553 1816 27 Western Western NNP 28553 1816 28 Railway Railway NNP 28553 1816 29 , , , 28553 1816 30 the the DT 28553 1816 31 reader reader NN 28553 1816 32 will will MD 28553 1816 33 get get VB 28553 1816 34 an an DT 28553 1816 35 insight insight NN 28553 1816 36 into into IN 28553 1816 37 the the DT 28553 1816 38 general general JJ 28553 1816 39 principles principle NNS 28553 1816 40 of of IN 28553 1816 41 these these DT 28553 1816 42 safety safety NN 28553 1816 43 devices device NNS 28553 1816 44 , , , 28553 1816 45 as as IN 28553 1816 46 the the DT 28553 1816 47 same same JJ 28553 1816 48 principles principle NNS 28553 1816 49 underlie underlie VBP 28553 1816 50 them -PRON- PRP 28553 1816 51 all all DT 28553 1816 52 . . . 28553 1817 1 [ [ -LRB- 28553 1817 2 Illustration illustration NN 28553 1817 3 : : : 28553 1817 4 FIG FIG NNP 28553 1817 5 . . . 28553 1818 1 93.--A 93.--A NNP 28553 1818 2 signal signal NNP 28553 1818 3 lever lever NN 28553 1818 4 and and CC 28553 1818 5 its -PRON- PRP$ 28553 1818 6 connections connection NNS 28553 1818 7 . . . 28553 1819 1 To to TO 28553 1819 2 move move VB 28553 1819 3 the the DT 28553 1819 4 lever lever NN 28553 1819 5 , , , 28553 1819 6 C C NNP 28553 1819 7 is be VBZ 28553 1819 8 pressed press VBN 28553 1819 9 towards towards IN 28553 1819 10 B b NN 28553 1819 11 raising raise VBG 28553 1819 12 the the DT 28553 1819 13 catch catch NN 28553 1819 14 - - HYPH 28553 1819 15 rod rod NN 28553 1819 16 from from IN 28553 1819 17 its -PRON- PRP$ 28553 1819 18 nick nick NN 28553 1819 19 in in IN 28553 1819 20 the the DT 28553 1819 21 rack rack NN 28553 1819 22 , , , 28553 1819 23 G g NN 28553 1819 24 G g NN 28553 1819 25 G g NN 28553 1819 26 , , , 28553 1819 27 guides guide VBZ 28553 1819 28 ; ; : 28553 1819 29 R R NNP 28553 1819 30 R R NNP 28553 1819 31 , , , 28553 1819 32 anti anti JJ 28553 1819 33 - - JJ 28553 1819 34 friction friction JJ 28553 1819 35 rollers roller NNS 28553 1819 36 ; ; : 28553 1819 37 S S NNP 28553 1819 38 , , , 28553 1819 39 sockets socket NNS 28553 1819 40 for for IN 28553 1819 41 catch catch NN 28553 1819 42 - - HYPH 28553 1819 43 rod rod NN 28553 1819 44 to to TO 28553 1819 45 work work VB 28553 1819 46 in in IN 28553 1819 47 . . . 28553 1819 48 ] ] -RRB- 28553 1820 1 The the DT 28553 1820 2 levers lever NNS 28553 1820 3 in in IN 28553 1820 4 the the DT 28553 1820 5 particular particular JJ 28553 1820 6 type type NN 28553 1820 7 of of IN 28553 1820 8 locking lock VBG 28553 1820 9 gear gear NN 28553 1820 10 which which WDT 28553 1820 11 we -PRON- PRP 28553 1820 12 are be VBP 28553 1820 13 considering consider VBG 28553 1820 14 have have VBP 28553 1820 15 each each DT 28553 1820 16 a a DT 28553 1820 17 tailpiece tailpiece NN 28553 1820 18 or or CC 28553 1820 19 " " `` 28553 1820 20 tappet tappet NNP 28553 1820 21 arm arm NN 28553 1820 22 " " '' 28553 1820 23 attached attach VBN 28553 1820 24 to to IN 28553 1820 25 it -PRON- PRP 28553 1820 26 , , , 28553 1820 27 which which WDT 28553 1820 28 moves move VBZ 28553 1820 29 backwards backwards RB 28553 1820 30 and and CC 28553 1820 31 forwards forwards RB 28553 1820 32 with with IN 28553 1820 33 the the DT 28553 1820 34 lever lever NN 28553 1820 35 ( ( -LRB- 28553 1820 36 Fig fig NN 28553 1820 37 . . . 28553 1821 1 93 93 CD 28553 1821 2 ) ) -RRB- 28553 1821 3 . . . 28553 1822 1 Running run VBG 28553 1822 2 at at IN 28553 1822 3 right right JJ 28553 1822 4 angles angle NNS 28553 1822 5 to to IN 28553 1822 6 this this DT 28553 1822 7 tappet tappet NN 28553 1822 8 , , , 28553 1822 9 and and CC 28553 1822 10 close close RB 28553 1822 11 to to IN 28553 1822 12 it -PRON- PRP 28553 1822 13 , , , 28553 1822 14 either either CC 28553 1822 15 under under IN 28553 1822 16 or or CC 28553 1822 17 above above RB 28553 1822 18 , , , 28553 1822 19 are be VBP 28553 1822 20 the the DT 28553 1822 21 lock lock NN 28553 1822 22 bars bar NNS 28553 1822 23 , , , 28553 1822 24 or or CC 28553 1822 25 stud stud NN 28553 1822 26 bars bar NNS 28553 1822 27 . . . 28553 1823 1 Refer refer VB 28553 1823 2 now now RB 28553 1823 3 to to IN 28553 1823 4 Fig Fig NNP 28553 1823 5 . . . 28553 1824 1 94 94 CD 28553 1824 2 , , , 28553 1824 3 which which WDT 28553 1824 4 shows show VBZ 28553 1824 5 the the DT 28553 1824 6 ends end NNS 28553 1824 7 of of IN 28553 1824 8 the the DT 28553 1824 9 three three CD 28553 1824 10 tappet tappet JJ 28553 1824 11 arms arm NNS 28553 1824 12 , , , 28553 1824 13 D d NN 28553 1824 14 , , , 28553 1824 15 H h NN 28553 1824 16 , , , 28553 1824 17 and and CC 28553 1824 18 S S NNP 28553 1824 19 , , , 28553 1824 20 crossed cross VBD 28553 1824 21 by by IN 28553 1824 22 a a DT 28553 1824 23 bar bar NN 28553 1824 24 , , , 28553 1824 25 B b NN 28553 1824 26 , , , 28553 1824 27 from from IN 28553 1824 28 which which WDT 28553 1824 29 project project NN 28553 1824 30 these these DT 28553 1824 31 studs stud NNS 28553 1824 32 . . . 28553 1825 1 The the DT 28553 1825 2 levers lever NNS 28553 1825 3 are be VBP 28553 1825 4 all all RB 28553 1825 5 forward forward RB 28553 1825 6 and and CC 28553 1825 7 the the DT 28553 1825 8 signals signal NNS 28553 1825 9 all all DT 28553 1825 10 " " `` 28553 1825 11 on on RB 28553 1825 12 . . . 28553 1825 13 " " '' 28553 1826 1 If if IN 28553 1826 2 the the DT 28553 1826 3 signalman signalman NN 28553 1826 4 tried try VBD 28553 1826 5 to to TO 28553 1826 6 pull pull VB 28553 1826 7 the the DT 28553 1826 8 lever lever NN 28553 1826 9 attached attach VBN 28553 1826 10 to to IN 28553 1826 11 D d NN 28553 1826 12 down down IN 28553 1826 13 the the DT 28553 1826 14 page page NN 28553 1826 15 , , , 28553 1826 16 as as IN 28553 1826 17 it -PRON- PRP 28553 1826 18 were be VBD 28553 1826 19 , , , 28553 1826 20 he -PRON- PRP 28553 1826 21 would would MD 28553 1826 22 fail fail VB 28553 1826 23 to to TO 28553 1826 24 move move VB 28553 1826 25 it -PRON- PRP 28553 1826 26 on on IN 28553 1826 27 account account NN 28553 1826 28 of of IN 28553 1826 29 the the DT 28553 1826 30 stud stud NN 28553 1826 31 _ _ NNP 28553 1826 32 a a DT 28553 1826 33 _ _ NNP 28553 1826 34 , , , 28553 1826 35 which which WDT 28553 1826 36 engages engage VBZ 28553 1826 37 with with IN 28553 1826 38 a a DT 28553 1826 39 notch notch NN 28553 1826 40 in in IN 28553 1826 41 D. D. NNP 28553 1826 42 Before before IN 28553 1826 43 this this DT 28553 1826 44 stud stud NN 28553 1826 45 can can MD 28553 1826 46 be be VB 28553 1826 47 got get VBN 28553 1826 48 free free JJ 28553 1826 49 of of IN 28553 1826 50 the the DT 28553 1826 51 notch notch NN 28553 1826 52 the the DT 28553 1826 53 tappets tappet NNS 28553 1826 54 H H NNP 28553 1826 55 and and CC 28553 1826 56 S S NNP 28553 1826 57 must must MD 28553 1826 58 be be VB 28553 1826 59 pulled pull VBN 28553 1826 60 over over RP 28553 1826 61 , , , 28553 1826 62 so so IN 28553 1826 63 as as IN 28553 1826 64 to to TO 28553 1826 65 bring bring VB 28553 1826 66 their -PRON- PRP$ 28553 1826 67 notches notch NNS 28553 1826 68 in in IN 28553 1826 69 line line NN 28553 1826 70 with with IN 28553 1826 71 studs stud NNS 28553 1826 72 _ _ NNP 28553 1826 73 b b NNP 28553 1826 74 _ _ NNP 28553 1826 75 and and CC 28553 1826 76 _ _ NNP 28553 1826 77 c c NNP 28553 1826 78 _ _ NNP 28553 1826 79 ( ( -LRB- 28553 1826 80 Fig Fig NNP 28553 1826 81 . . . 28553 1827 1 95 95 CD 28553 1827 2 ) ) -RRB- 28553 1827 3 . . . 28553 1828 1 The the DT 28553 1828 2 signalman signalman NN 28553 1828 3 can can MD 28553 1828 4 now now RB 28553 1828 5 move move VB 28553 1828 6 D d XX 28553 1828 7 , , , 28553 1828 8 since since IN 28553 1828 9 the the DT 28553 1828 10 notch notch NN 28553 1828 11 easily easily RB 28553 1828 12 pushes push VBZ 28553 1828 13 the the DT 28553 1828 14 stud stud NN 28553 1828 15 _ _ NNP 28553 1828 16 a a DT 28553 1828 17 _ _ NNP 28553 1828 18 to to IN 28553 1828 19 the the DT 28553 1828 20 left left NN 28553 1828 21 ( ( -LRB- 28553 1828 22 Fig fig NN 28553 1828 23 . . . 28553 1829 1 96 96 CD 28553 1829 2 ) ) -RRB- 28553 1829 3 . . . 28553 1830 1 The the DT 28553 1830 2 signals signal NNS 28553 1830 3 must must MD 28553 1830 4 be be VB 28553 1830 5 restored restore VBN 28553 1830 6 to to IN 28553 1830 7 danger danger NN 28553 1830 8 . . . 28553 1831 1 As as IN 28553 1831 2 H h NN 28553 1831 3 and and CC 28553 1831 4 S S NNP 28553 1831 5 are be VBP 28553 1831 6 back back RB 28553 1831 7 - - HYPH 28553 1831 8 locked lock VBN 28553 1831 9 by by IN 28553 1831 10 D d NN 28553 1831 11 -- -- : 28553 1831 12 that that RB 28553 1831 13 is is RB 28553 1831 14 , , , 28553 1831 15 prevented prevent VBN 28553 1831 16 by by IN 28553 1831 17 D d NN 28553 1831 18 from from IN 28553 1831 19 being be VBG 28553 1831 20 put put VBN 28553 1831 21 back back RB 28553 1831 22 into into IN 28553 1831 23 their -PRON- PRP$ 28553 1831 24 normal normal JJ 28553 1831 25 positions position NNS 28553 1831 26 -- -- : 28553 1831 27 D d NN 28553 1831 28 must must MD 28553 1831 29 be be VB 28553 1831 30 moved move VBN 28553 1831 31 first first RB 28553 1831 32 . . . 28553 1832 1 The the DT 28553 1832 2 interlocking interlocking NN 28553 1832 3 of of IN 28553 1832 4 the the DT 28553 1832 5 three three CD 28553 1832 6 signals signal NNS 28553 1832 7 described describe VBN 28553 1832 8 is be VBZ 28553 1832 9 merely merely RB 28553 1832 10 repeated repeat VBN 28553 1832 11 in in IN 28553 1832 12 the the DT 28553 1832 13 interlocking interlocking NN 28553 1832 14 of of IN 28553 1832 15 a a DT 28553 1832 16 large large JJ 28553 1832 17 number number NN 28553 1832 18 of of IN 28553 1832 19 signals signal NNS 28553 1832 20 . . . 28553 1833 1 [ [ -LRB- 28553 1833 2 Illustration illustration NN 28553 1833 3 : : : 28553 1833 4 FIG FIG NNP 28553 1833 5 . . . 28553 1834 1 94 94 CD 28553 1834 2 . . . 28553 1834 3 ] ] -RRB- 28553 1835 1 [ [ -LRB- 28553 1835 2 Illustration illustration NN 28553 1835 3 : : : 28553 1835 4 FIG FIG NNP 28553 1835 5 . . . 28553 1836 1 95 95 CD 28553 1836 2 . . . 28553 1836 3 ] ] -RRB- 28553 1837 1 On on IN 28553 1837 2 entering enter VBG 28553 1837 3 a a DT 28553 1837 4 signal signal NN 28553 1837 5 - - HYPH 28553 1837 6 box box NN 28553 1837 7 a a DT 28553 1837 8 visitor visitor NN 28553 1837 9 will will MD 28553 1837 10 notice notice VB 28553 1837 11 that that IN 28553 1837 12 the the DT 28553 1837 13 levers lever NNS 28553 1837 14 have have VBP 28553 1837 15 different different JJ 28553 1837 16 colours:--_Green colours:--_green NN 28553 1837 17 _ _ NNP 28553 1837 18 , , , 28553 1837 19 signifying signify VBG 28553 1837 20 distant distant JJ 28553 1837 21 signals signal NNS 28553 1837 22 ; ; : 28553 1837 23 _ _ NNP 28553 1837 24 red red NNP 28553 1837 25 _ _ NNP 28553 1837 26 , , , 28553 1837 27 signifying signify VBG 28553 1837 28 home home RB 28553 1837 29 and and CC 28553 1837 30 starting starting NN 28553 1837 31 signals signal NNS 28553 1837 32 ; ; : 28553 1837 33 _ _ NNP 28553 1837 34 blue blue NNP 28553 1837 35 _ _ NNP 28553 1837 36 , , , 28553 1837 37 signifying signify VBG 28553 1837 38 facing face VBG 28553 1837 39 points point NNS 28553 1837 40 ; ; : 28553 1837 41 _ _ NNP 28553 1837 42 black black JJ 28553 1837 43 _ _ NNP 28553 1837 44 , , , 28553 1837 45 signifying signify VBG 28553 1837 46 trailing trailing NN 28553 1837 47 points point NNS 28553 1837 48 ; ; : 28553 1837 49 _ _ NNP 28553 1837 50 white white NNP 28553 1837 51 _ _ NNP 28553 1837 52 , , , 28553 1837 53 signifying signify VBG 28553 1837 54 spare spare JJ 28553 1837 55 levers lever NNS 28553 1837 56 . . . 28553 1838 1 These these DT 28553 1838 2 different different JJ 28553 1838 3 colours colour NNS 28553 1838 4 help help VBP 28553 1838 5 the the DT 28553 1838 6 signalman signalman NN 28553 1838 7 to to TO 28553 1838 8 pick pick VB 28553 1838 9 out out RP 28553 1838 10 the the DT 28553 1838 11 right right JJ 28553 1838 12 levers lever NNS 28553 1838 13 easily easily RB 28553 1838 14 . . . 28553 1839 1 To to IN 28553 1839 2 the the DT 28553 1839 3 front front NN 28553 1839 4 of of IN 28553 1839 5 each each DT 28553 1839 6 lever lever NN 28553 1839 7 is be VBZ 28553 1839 8 attached attach VBN 28553 1839 9 a a DT 28553 1839 10 small small JJ 28553 1839 11 brass brass NN 28553 1839 12 tablet tablet NN 28553 1839 13 bearing bear VBG 28553 1839 14 certain certain JJ 28553 1839 15 numbers number NNS 28553 1839 16 ; ; : 28553 1839 17 one one CD 28553 1839 18 in in IN 28553 1839 19 large large JJ 28553 1839 20 figures figure NNS 28553 1839 21 on on IN 28553 1839 22 the the DT 28553 1839 23 top top NN 28553 1839 24 , , , 28553 1839 25 then then RB 28553 1839 26 a a DT 28553 1839 27 line line NN 28553 1839 28 , , , 28553 1839 29 and and CC 28553 1839 30 other other JJ 28553 1839 31 numbers number NNS 28553 1839 32 in in IN 28553 1839 33 small small JJ 28553 1839 34 figures figure NNS 28553 1839 35 beneath beneath RB 28553 1839 36 . . . 28553 1840 1 The the DT 28553 1840 2 large large JJ 28553 1840 3 number number NN 28553 1840 4 is be VBZ 28553 1840 5 that that DT 28553 1840 6 of of IN 28553 1840 7 the the DT 28553 1840 8 lever lever NN 28553 1840 9 itself -PRON- PRP 28553 1840 10 ; ; : 28553 1840 11 the the DT 28553 1840 12 others other NNS 28553 1840 13 , , , 28553 1840 14 called call VBD 28553 1840 15 _ _ NNP 28553 1840 16 leads lead VBZ 28553 1840 17 _ _ NNP 28553 1840 18 , , , 28553 1840 19 refer refer VBP 28553 1840 20 to to IN 28553 1840 21 levers lever NNS 28553 1840 22 which which WDT 28553 1840 23 must must MD 28553 1840 24 be be VB 28553 1840 25 pulled pull VBN 28553 1840 26 before before RB 28553 1840 27 that that DT 28553 1840 28 particular particular JJ 28553 1840 29 lever lever NN 28553 1840 30 can can MD 28553 1840 31 be be VB 28553 1840 32 released release VBN 28553 1840 33 . . . 28553 1841 1 [ [ -LRB- 28553 1841 2 Illustration illustration NN 28553 1841 3 : : : 28553 1841 4 FIG FIG NNP 28553 1841 5 . . . 28553 1842 1 96 96 CD 28553 1842 2 . . . 28553 1842 3 ] ] -RRB- 28553 1843 1 [ [ -LRB- 28553 1843 2 Illustration illustration NN 28553 1843 3 : : : 28553 1843 4 FIG FIG NNP 28553 1843 5 . . . 28553 1844 1 97.--Model 97.--model CD 28553 1844 2 signal signal NN 28553 1844 3 equipment equipment NN 28553 1844 4 in in IN 28553 1844 5 a a DT 28553 1844 6 signalling signal VBG 28553 1844 7 school school NN 28553 1844 8 . . . 28553 1845 1 ( ( -LRB- 28553 1845 2 By by IN 28553 1845 3 permission permission NN 28553 1845 4 of of IN 28553 1845 5 the the DT 28553 1845 6 " " `` 28553 1845 7 G.W.R. G.W.R. NNP 28553 1846 1 Magazine Magazine NNP 28553 1846 2 " " '' 28553 1846 3 ) ) -RRB- 28553 1846 4 . . . 28553 1846 5 ] ] -RRB- 28553 1847 1 POINTS POINTS NNP 28553 1847 2 . . . 28553 1848 1 Mention Mention NNP 28553 1848 2 was be VBD 28553 1848 3 made make VBN 28553 1848 4 , , , 28553 1848 5 in in IN 28553 1848 6 connection connection NN 28553 1848 7 with with IN 28553 1848 8 the the DT 28553 1848 9 lever lever NN 28553 1848 10 , , , 28553 1848 11 of of IN 28553 1848 12 _ _ NNP 28553 1848 13 points point NNS 28553 1848 14 _ _ NNP 28553 1848 15 . . . 28553 1849 1 Before before IN 28553 1849 2 going go VBG 28553 1849 3 further further RB 28553 1849 4 we -PRON- PRP 28553 1849 5 will will MD 28553 1849 6 glance glance VB 28553 1849 7 at at IN 28553 1849 8 the the DT 28553 1849 9 action action NN 28553 1849 10 of of IN 28553 1849 11 these these DT 28553 1849 12 devices device NNS 28553 1849 13 for for IN 28553 1849 14 enabling enable VBG 28553 1849 15 a a DT 28553 1849 16 train train NN 28553 1849 17 to to TO 28553 1849 18 run run VB 28553 1849 19 from from IN 28553 1849 20 one one CD 28553 1849 21 set set NN 28553 1849 22 of of IN 28553 1849 23 rails rail NNS 28553 1849 24 to to IN 28553 1849 25 another another DT 28553 1849 26 . . . 28553 1850 1 Figs fig NNS 28553 1850 2 . . . 28553 1851 1 98 98 CD 28553 1851 2 and and CC 28553 1851 3 99 99 CD 28553 1851 4 show show VBP 28553 1851 5 the the DT 28553 1851 6 points point NNS 28553 1851 7 at at IN 28553 1851 8 a a DT 28553 1851 9 simple simple JJ 28553 1851 10 junction junction NN 28553 1851 11 . . . 28553 1852 1 It -PRON- PRP 28553 1852 2 will will MD 28553 1852 3 be be VB 28553 1852 4 noticed notice VBN 28553 1852 5 that that IN 28553 1852 6 the the DT 28553 1852 7 rails rail NNS 28553 1852 8 of of IN 28553 1852 9 the the DT 28553 1852 10 line line NN 28553 1852 11 to to IN 28553 1852 12 the the DT 28553 1852 13 left left NN 28553 1852 14 of of IN 28553 1852 15 the the DT 28553 1852 16 points point NNS 28553 1852 17 are be VBP 28553 1852 18 continued continue VBN 28553 1852 19 as as IN 28553 1852 20 the the DT 28553 1852 21 outer outer JJ 28553 1852 22 rails rail NNS 28553 1852 23 of of IN 28553 1852 24 the the DT 28553 1852 25 main main JJ 28553 1852 26 and and CC 28553 1852 27 branch branch NN 28553 1852 28 lines line NNS 28553 1852 29 . . . 28553 1853 1 The the DT 28553 1853 2 inner inner JJ 28553 1853 3 rails rail NNS 28553 1853 4 come come VBP 28553 1853 5 to to IN 28553 1853 6 a a DT 28553 1853 7 sharp sharp JJ 28553 1853 8 V v NN 28553 1853 9 - - HYPH 28553 1853 10 point point NN 28553 1853 11 , , , 28553 1853 12 and and CC 28553 1853 13 to to IN 28553 1853 14 the the DT 28553 1853 15 left left NN 28553 1853 16 of of IN 28553 1853 17 this this DT 28553 1853 18 are be VBP 28553 1853 19 the the DT 28553 1853 20 two two CD 28553 1853 21 short short JJ 28553 1853 22 rails rail NNS 28553 1853 23 which which WDT 28553 1853 24 , , , 28553 1853 25 by by IN 28553 1853 26 means mean NNS 28553 1853 27 of of IN 28553 1853 28 shifting shift VBG 28553 1853 29 portions portion NNS 28553 1853 30 , , , 28553 1853 31 decide decide VB 28553 1853 32 the the DT 28553 1853 33 direction direction NN 28553 1853 34 of of IN 28553 1853 35 a a DT 28553 1853 36 train train NN 28553 1853 37 's 's POS 28553 1853 38 travel travel NN 28553 1853 39 . . . 28553 1854 1 In in IN 28553 1854 2 Fig Fig NNP 28553 1854 3 . . . 28553 1855 1 98 98 CD 28553 1855 2 the the DT 28553 1855 3 main main JJ 28553 1855 4 line line NN 28553 1855 5 is be VBZ 28553 1855 6 open open JJ 28553 1855 7 ; ; : 28553 1855 8 in in IN 28553 1855 9 Fig Fig NNP 28553 1855 10 . . . 28553 1856 1 99 99 CD 28553 1856 2 , , , 28553 1856 3 the the DT 28553 1856 4 branch branch NN 28553 1856 5 . . . 28553 1857 1 The the DT 28553 1857 2 shifting shift VBG 28553 1857 3 parts part NNS 28553 1857 4 are be VBP 28553 1857 5 kept keep VBN 28553 1857 6 properly properly RB 28553 1857 7 spaced space VBN 28553 1857 8 by by IN 28553 1857 9 cross cross NN 28553 1857 10 bars bar NNS 28553 1857 11 ( ( -LRB- 28553 1857 12 or or CC 28553 1857 13 tie tie NN 28553 1857 14 - - HYPH 28553 1857 15 rods rod NNS 28553 1857 16 ) ) -RRB- 28553 1857 17 , , , 28553 1857 18 A a NN 28553 1857 19 A. a. NN 28553 1858 1 [ [ -LRB- 28553 1858 2 Illustration illustration NN 28553 1858 3 : : : 28553 1858 4 FIG FIG NNP 28553 1858 5 . . . 28553 1859 1 98.--Points 98.--points CD 28553 1859 2 open open JJ 28553 1859 3 to to IN 28553 1859 4 main main JJ 28553 1859 5 line line NN 28553 1859 6 . . . 28553 1859 7 ] ] -RRB- 28553 1860 1 [ [ -LRB- 28553 1860 2 Illustration illustration NN 28553 1860 3 : : : 28553 1860 4 FIG FIG NNP 28553 1860 5 . . . 28553 1861 1 99.--Points 99.--points CD 28553 1861 2 open open JJ 28553 1861 3 to to IN 28553 1861 4 branch branch NN 28553 1861 5 line line NN 28553 1861 6 . . . 28553 1861 7 ] ] -RRB- 28553 1862 1 It -PRON- PRP 28553 1862 2 might may MD 28553 1862 3 be be VB 28553 1862 4 thought think VBN 28553 1862 5 that that IN 28553 1862 6 the the DT 28553 1862 7 wheels wheel NNS 28553 1862 8 would would MD 28553 1862 9 bump bump VB 28553 1862 10 badly badly RB 28553 1862 11 when when WRB 28553 1862 12 they -PRON- PRP 28553 1862 13 reach reach VBP 28553 1862 14 the the DT 28553 1862 15 point point NN 28553 1862 16 B b NN 28553 1862 17 , , , 28553 1862 18 where where WRB 28553 1862 19 there there EX 28553 1862 20 is be VBZ 28553 1862 21 a a DT 28553 1862 22 gap gap NN 28553 1862 23 . . . 28553 1863 1 This this DT 28553 1863 2 is be VBZ 28553 1863 3 prevented prevent VBN 28553 1863 4 , , , 28553 1863 5 however however RB 28553 1863 6 , , , 28553 1863 7 by by IN 28553 1863 8 the the DT 28553 1863 9 bent bent NN 28553 1863 10 ends end VBZ 28553 1863 11 E e NN 28553 1863 12 E e NN 28553 1863 13 ( ( -LRB- 28553 1863 14 Fig fig NN 28553 1863 15 . . . 28553 1864 1 98 98 CD 28553 1864 2 ) ) -RRB- 28553 1864 3 , , , 28553 1864 4 on on IN 28553 1864 5 which which WDT 28553 1864 6 the the DT 28553 1864 7 tread tread NN 28553 1864 8 of of IN 28553 1864 9 the the DT 28553 1864 10 wheel wheel NN 28553 1864 11 rests rest NNS 28553 1864 12 until until IN 28553 1864 13 it -PRON- PRP 28553 1864 14 has have VBZ 28553 1864 15 reached reach VBN 28553 1864 16 some some DT 28553 1864 17 distance distance NN 28553 1864 18 along along IN 28553 1864 19 the the DT 28553 1864 20 point point NN 28553 1864 21 of of IN 28553 1864 22 V. v. NN 28553 1864 23 The the DT 28553 1864 24 safety safety NN 28553 1864 25 rails rail VBZ 28553 1864 26 S S NNP 28553 1864 27 R r NN 28553 1864 28 keep keep VB 28553 1864 29 the the DT 28553 1864 30 outer outer JJ 28553 1864 31 wheel wheel NN 28553 1864 32 up up RP 28553 1864 33 against against IN 28553 1864 34 its -PRON- PRP$ 28553 1864 35 rail rail NN 28553 1864 36 until until IN 28553 1864 37 the the DT 28553 1864 38 V v NN 28553 1864 39 has have VBZ 28553 1864 40 been be VBN 28553 1864 41 passed pass VBN 28553 1864 42 . . . 28553 1865 1 POINTS POINTS NNP 28553 1865 2 AND and CC 28553 1865 3 SIGNALS signal NNS 28553 1865 4 IN in IN 28553 1865 5 COMBINATION combination NN 28553 1865 6 . . . 28553 1866 1 Let let VB 28553 1866 2 us -PRON- PRP 28553 1866 3 suppose suppose VB 28553 1866 4 that that IN 28553 1866 5 a a DT 28553 1866 6 train train NN 28553 1866 7 is be VBZ 28553 1866 8 approaching approach VBG 28553 1866 9 the the DT 28553 1866 10 junction junction NN 28553 1866 11 shown show VBN 28553 1866 12 in in IN 28553 1866 13 Figs Figs NNP 28553 1866 14 . . . 28553 1867 1 98 98 CD 28553 1867 2 and and CC 28553 1867 3 99 99 CD 28553 1867 4 from from IN 28553 1867 5 the the DT 28553 1867 6 left left NN 28553 1867 7 . . . 28553 1868 1 It -PRON- PRP 28553 1868 2 is be VBZ 28553 1868 3 not not RB 28553 1868 4 enough enough JJ 28553 1868 5 that that IN 28553 1868 6 the the DT 28553 1868 7 driver driver NN 28553 1868 8 should should MD 28553 1868 9 know know VB 28553 1868 10 that that IN 28553 1868 11 the the DT 28553 1868 12 tracks track NNS 28553 1868 13 are be VBP 28553 1868 14 clear clear JJ 28553 1868 15 . . . 28553 1869 1 He -PRON- PRP 28553 1869 2 must must MD 28553 1869 3 also also RB 28553 1869 4 be be VB 28553 1869 5 assured assure VBN 28553 1869 6 that that IN 28553 1869 7 the the DT 28553 1869 8 track track NN 28553 1869 9 , , , 28553 1869 10 main main JJ 28553 1869 11 or or CC 28553 1869 12 branch branch NN 28553 1869 13 , , , 28553 1869 14 as as IN 28553 1869 15 the the DT 28553 1869 16 case case NN 28553 1869 17 may may MD 28553 1869 18 be be VB 28553 1869 19 , , , 28553 1869 20 along along IN 28553 1869 21 which which WDT 28553 1869 22 he -PRON- PRP 28553 1869 23 has have VBZ 28553 1869 24 to to TO 28553 1869 25 go go VB 28553 1869 26 , , , 28553 1869 27 is be VBZ 28553 1869 28 open open JJ 28553 1869 29 ; ; : 28553 1869 30 and and CC 28553 1869 31 on on IN 28553 1869 32 the the DT 28553 1869 33 other other JJ 28553 1869 34 hand hand NN 28553 1869 35 , , , 28553 1869 36 if if IN 28553 1869 37 he -PRON- PRP 28553 1869 38 were be VBD 28553 1869 39 approaching approach VBG 28553 1869 40 from from IN 28553 1869 41 the the DT 28553 1869 42 right right NN 28553 1869 43 , , , 28553 1869 44 he -PRON- PRP 28553 1869 45 would would MD 28553 1869 46 want want VB 28553 1869 47 to to TO 28553 1869 48 be be VB 28553 1869 49 certain certain JJ 28553 1869 50 that that IN 28553 1869 51 no no DT 28553 1869 52 train train NN 28553 1869 53 on on IN 28553 1869 54 the the DT 28553 1869 55 other other JJ 28553 1869 56 line line NN 28553 1869 57 was be VBD 28553 1869 58 converging converge VBG 28553 1869 59 on on IN 28553 1869 60 his -PRON- PRP 28553 1869 61 . . . 28553 1870 1 Danger danger NN 28553 1870 2 is be VBZ 28553 1870 3 avoided avoid VBN 28553 1870 4 and and CC 28553 1870 5 assurance assurance NN 28553 1870 6 given give VBN 28553 1870 7 by by IN 28553 1870 8 interlocking interlock VBG 28553 1870 9 the the DT 28553 1870 10 points point NNS 28553 1870 11 and and CC 28553 1870 12 signals signal NNS 28553 1870 13 . . . 28553 1871 1 To to IN 28553 1871 2 the the DT 28553 1871 3 left left NN 28553 1871 4 of of IN 28553 1871 5 the the DT 28553 1871 6 junction junction NN 28553 1871 7 the the DT 28553 1871 8 home home NN 28553 1871 9 and and CC 28553 1871 10 distant distant JJ 28553 1871 11 signals signal NNS 28553 1871 12 are be VBP 28553 1871 13 doubled double VBN 28553 1871 14 , , , 28553 1871 15 there there EX 28553 1871 16 being be VBG 28553 1871 17 two two CD 28553 1871 18 semaphore semaphore NN 28553 1871 19 arms arm NNS 28553 1871 20 on on IN 28553 1871 21 each each DT 28553 1871 22 post post NN 28553 1871 23 . . . 28553 1872 1 These these DT 28553 1872 2 are be VBP 28553 1872 3 interlocked interlock VBN 28553 1872 4 with with IN 28553 1872 5 the the DT 28553 1872 6 points point NNS 28553 1872 7 in in IN 28553 1872 8 such such PDT 28553 1872 9 a a DT 28553 1872 10 manner manner NN 28553 1872 11 that that IN 28553 1872 12 the the DT 28553 1872 13 signals signal NNS 28553 1872 14 referring refer VBG 28553 1872 15 to to IN 28553 1872 16 either either DT 28553 1872 17 line line NN 28553 1872 18 can can MD 28553 1872 19 be be VB 28553 1872 20 pulled pull VBN 28553 1872 21 off off RP 28553 1872 22 only only RB 28553 1872 23 when when WRB 28553 1872 24 the the DT 28553 1872 25 points point NNS 28553 1872 26 are be VBP 28553 1872 27 set set VBN 28553 1872 28 to to TO 28553 1872 29 open open VB 28553 1872 30 the the DT 28553 1872 31 way way NN 28553 1872 32 to to IN 28553 1872 33 that that DT 28553 1872 34 line line NN 28553 1872 35 . . . 28553 1873 1 Moreover moreover RB 28553 1873 2 , , , 28553 1873 3 before before IN 28553 1873 4 any any DT 28553 1873 5 shifting shifting NN 28553 1873 6 of of IN 28553 1873 7 points point NNS 28553 1873 8 can can MD 28553 1873 9 be be VB 28553 1873 10 made make VBN 28553 1873 11 , , , 28553 1873 12 the the DT 28553 1873 13 signals signal NNS 28553 1873 14 behind behind RB 28553 1873 15 must must MD 28553 1873 16 be be VB 28553 1873 17 put put VBN 28553 1873 18 to to IN 28553 1873 19 danger danger NN 28553 1873 20 . . . 28553 1874 1 The the DT 28553 1874 2 convergence convergence NN 28553 1874 3 of of IN 28553 1874 4 trains train NNS 28553 1874 5 is be VBZ 28553 1874 6 prevented prevent VBN 28553 1874 7 by by IN 28553 1874 8 interlocking interlock VBG 28553 1874 9 , , , 28553 1874 10 which which WDT 28553 1874 11 renders render VBZ 28553 1874 12 it -PRON- PRP 28553 1874 13 impossible impossible JJ 28553 1874 14 to to TO 28553 1874 15 have have VB 28553 1874 16 both both DT 28553 1874 17 sets set NNS 28553 1874 18 of of IN 28553 1874 19 distant distant JJ 28553 1874 20 and and CC 28553 1874 21 home home NN 28553 1874 22 signals signal NNS 28553 1874 23 at at IN 28553 1874 24 " " `` 28553 1874 25 All all RB 28553 1874 26 right right RB 28553 1874 27 " " '' 28553 1874 28 simultaneously simultaneously RB 28553 1874 29 . . . 28553 1875 1 WORKING working NN 28553 1875 2 OF of IN 28553 1875 3 BLOCK BLOCK NNP 28553 1875 4 SYSTEM SYSTEM NNP 28553 1875 5 . . . 28553 1876 1 We -PRON- PRP 28553 1876 2 may may MD 28553 1876 3 now now RB 28553 1876 4 pass pass VB 28553 1876 5 to to IN 28553 1876 6 the the DT 28553 1876 7 working working NN 28553 1876 8 of of IN 28553 1876 9 the the DT 28553 1876 10 block block NN 28553 1876 11 system system NN 28553 1876 12 of of IN 28553 1876 13 signalling signal VBG 28553 1876 14 trains train NNS 28553 1876 15 from from IN 28553 1876 16 station station NN 28553 1876 17 to to TO 28553 1876 18 station station VB 28553 1876 19 on on IN 28553 1876 20 one one CD 28553 1876 21 line line NN 28553 1876 22 of of IN 28553 1876 23 a a DT 28553 1876 24 double double JJ 28553 1876 25 track track NN 28553 1876 26 . . . 28553 1877 1 Each each DT 28553 1877 2 signal signal NN 28553 1877 3 - - HYPH 28553 1877 4 box box NN 28553 1877 5 ( ( -LRB- 28553 1877 6 except except IN 28553 1877 7 , , , 28553 1877 8 of of IN 28553 1877 9 course course NN 28553 1877 10 , , , 28553 1877 11 those those DT 28553 1877 12 at at IN 28553 1877 13 termini termini NN 28553 1877 14 ) ) -RRB- 28553 1877 15 has have VBZ 28553 1877 16 electric electric JJ 28553 1877 17 communication communication NN 28553 1877 18 with with IN 28553 1877 19 the the DT 28553 1877 20 next next JJ 28553 1877 21 box box NN 28553 1877 22 in in IN 28553 1877 23 both both DT 28553 1877 24 directions direction NNS 28553 1877 25 . . . 28553 1878 1 The the DT 28553 1878 2 instruments instrument NNS 28553 1878 3 used use VBD 28553 1878 4 vary vary VBP 28553 1878 5 on on IN 28553 1878 6 different different JJ 28553 1878 7 systems system NNS 28553 1878 8 , , , 28553 1878 9 but but CC 28553 1878 10 the the DT 28553 1878 11 principle principle NN 28553 1878 12 is be VBZ 28553 1878 13 the the DT 28553 1878 14 same same JJ 28553 1878 15 ; ; : 28553 1878 16 so so CC 28553 1878 17 we -PRON- PRP 28553 1878 18 will will MD 28553 1878 19 concentrate concentrate VB 28553 1878 20 our -PRON- PRP$ 28553 1878 21 attention attention NN 28553 1878 22 on on IN 28553 1878 23 those those DT 28553 1878 24 most most RBS 28553 1878 25 commonly commonly RB 28553 1878 26 employed employ VBN 28553 1878 27 on on IN 28553 1878 28 the the DT 28553 1878 29 Great great JJ 28553 1878 30 Western Western NNP 28553 1878 31 Railway Railway NNP 28553 1878 32 . . . 28553 1879 1 They -PRON- PRP 28553 1879 2 are:--(1 are:--(1 VBP 28553 1879 3 . . . 28553 1879 4 ) ) -RRB- 28553 1880 1 Two two CD 28553 1880 2 tapper tapper NN 28553 1880 3 - - HYPH 28553 1880 4 bell bell NN 28553 1880 5 instruments instrument NNS 28553 1880 6 , , , 28553 1880 7 connected connect VBN 28553 1880 8 with with IN 28553 1880 9 similar similar JJ 28553 1880 10 instruments instrument NNS 28553 1880 11 in in IN 28553 1880 12 the the DT 28553 1880 13 adjacent adjacent JJ 28553 1880 14 boxes box NNS 28553 1880 15 on on IN 28553 1880 16 both both DT 28553 1880 17 sides side NNS 28553 1880 18 . . . 28553 1881 1 Each each DT 28553 1881 2 of of IN 28553 1881 3 these these DT 28553 1881 4 rings ring NNS 28553 1881 5 one one CD 28553 1881 6 beat beat NN 28553 1881 7 in in IN 28553 1881 8 the the DT 28553 1881 9 corresponding corresponding JJ 28553 1881 10 box box NN 28553 1881 11 every every DT 28553 1881 12 time time NN 28553 1881 13 its -PRON- PRP$ 28553 1881 14 key key NN 28553 1881 15 is be VBZ 28553 1881 16 depressed depressed JJ 28553 1881 17 . . . 28553 1882 1 ( ( -LRB- 28553 1882 2 2 2 CD 28553 1882 3 . . . 28553 1882 4 ) ) -RRB- 28553 1883 1 Two two CD 28553 1883 2 Spagnoletti Spagnoletti NNP 28553 1883 3 disc disc NN 28553 1883 4 instruments instrument NNS 28553 1883 5 -- -- : 28553 1883 6 one one CD 28553 1883 7 , , , 28553 1883 8 having have VBG 28553 1883 9 two two CD 28553 1883 10 keys key NNS 28553 1883 11 , , , 28553 1883 12 communicating communicate VBG 28553 1883 13 with with IN 28553 1883 14 the the DT 28553 1883 15 box box NN 28553 1883 16 in in IN 28553 1883 17 the the DT 28553 1883 18 rear rear NN 28553 1883 19 ; ; : 28553 1883 20 and and CC 28553 1883 21 the the DT 28553 1883 22 other other JJ 28553 1883 23 , , , 28553 1883 24 in in IN 28553 1883 25 connection connection NN 28553 1883 26 with with IN 28553 1883 27 the the DT 28553 1883 28 forward forward NN 28553 1883 29 box box NN 28553 1883 30 , , , 28553 1883 31 having have VBG 28553 1883 32 no no DT 28553 1883 33 keys key NNS 28553 1883 34 . . . 28553 1884 1 Their -PRON- PRP$ 28553 1884 2 respective respective JJ 28553 1884 3 functions function NNS 28553 1884 4 are be VBP 28553 1884 5 to to TO 28553 1884 6 give give VB 28553 1884 7 signals signal NNS 28553 1884 8 and and CC 28553 1884 9 receive receive VB 28553 1884 10 them -PRON- PRP 28553 1884 11 . . . 28553 1885 1 In in IN 28553 1885 2 the the DT 28553 1885 3 centre centre NN 28553 1885 4 of of IN 28553 1885 5 the the DT 28553 1885 6 face face NN 28553 1885 7 of of IN 28553 1885 8 each each DT 28553 1885 9 is be VBZ 28553 1885 10 a a DT 28553 1885 11 square square JJ 28553 1885 12 opening opening NN 28553 1885 13 , , , 28553 1885 14 behind behind IN 28553 1885 15 which which WDT 28553 1885 16 moves move VBZ 28553 1885 17 a a DT 28553 1885 18 disc disc NN 28553 1885 19 carrying carry VBG 28553 1885 20 two two CD 28553 1885 21 " " `` 28553 1885 22 flags"--"Train flags"--"Train '' 28553 1885 23 on on IN 28553 1885 24 line line NN 28553 1885 25 " " '' 28553 1885 26 in in IN 28553 1885 27 white white JJ 28553 1885 28 letters letter NNS 28553 1885 29 on on IN 28553 1885 30 red red JJ 28553 1885 31 ground ground NN 28553 1885 32 , , , 28553 1885 33 and and CC 28553 1885 34 " " `` 28553 1885 35 Line line NN 28553 1885 36 clear clear JJ 28553 1885 37 " " '' 28553 1885 38 in in IN 28553 1885 39 black black JJ 28553 1885 40 letters letter NNS 28553 1885 41 on on IN 28553 1885 42 a a DT 28553 1885 43 white white JJ 28553 1885 44 ground ground NN 28553 1885 45 . . . 28553 1886 1 The the DT 28553 1886 2 keyed keyed JJ 28553 1886 3 instrument instrument NN 28553 1886 4 has have VBZ 28553 1886 5 a a DT 28553 1886 6 red red JJ 28553 1886 7 and and CC 28553 1886 8 a a DT 28553 1886 9 white white JJ 28553 1886 10 key key NN 28553 1886 11 . . . 28553 1887 1 When when WRB 28553 1887 2 the the DT 28553 1887 3 red red JJ 28553 1887 4 key key NN 28553 1887 5 is be VBZ 28553 1887 6 depressed depressed JJ 28553 1887 7 , , , 28553 1887 8 " " `` 28553 1887 9 Train train VB 28553 1887 10 on on IN 28553 1887 11 line line NN 28553 1887 12 " " `` 28553 1887 13 appears appear VBZ 28553 1887 14 at at IN 28553 1887 15 the the DT 28553 1887 16 opening opening NN 28553 1887 17 ; ; : 28553 1887 18 also also RB 28553 1887 19 in in IN 28553 1887 20 that that DT 28553 1887 21 of of IN 28553 1887 22 a a DT 28553 1887 23 keyless keyless JJ 28553 1887 24 disc disc NN 28553 1887 25 at at IN 28553 1887 26 the the DT 28553 1887 27 adjacent adjacent JJ 28553 1887 28 signal signal NNP 28553 1887 29 - - HYPH 28553 1887 30 box box NN 28553 1887 31 . . . 28553 1888 1 A a DT 28553 1888 2 depression depression NN 28553 1888 3 of of IN 28553 1888 4 the the DT 28553 1888 5 white white NNP 28553 1888 6 key key NN 28553 1888 7 similarly similarly RB 28553 1888 8 gives give VBZ 28553 1888 9 " " `` 28553 1888 10 Line line NN 28553 1888 11 clear clear JJ 28553 1888 12 . . . 28553 1888 13 " " '' 28553 1889 1 A a DT 28553 1889 2 piece piece NN 28553 1889 3 of of IN 28553 1889 4 wire wire NN 28553 1889 5 with with IN 28553 1889 6 the the DT 28553 1889 7 ends end NNS 28553 1889 8 turned turn VBD 28553 1889 9 over over RP 28553 1889 10 and and CC 28553 1889 11 passed pass VBD 28553 1889 12 through through IN 28553 1889 13 two two CD 28553 1889 14 eyes eye NNS 28553 1889 15 slides slide VBZ 28553 1889 16 over over IN 28553 1889 17 the the DT 28553 1889 18 keys key NNS 28553 1889 19 , , , 28553 1889 20 and and CC 28553 1889 21 can can MD 28553 1889 22 be be VB 28553 1889 23 made make VBN 28553 1889 24 to to TO 28553 1889 25 hold hold VB 28553 1889 26 either either CC 28553 1889 27 down down RB 28553 1889 28 . . . 28553 1890 1 In in IN 28553 1890 2 addition addition NN 28553 1890 3 to to IN 28553 1890 4 these these DT 28553 1890 5 , , , 28553 1890 6 telephonic telephonic JJ 28553 1890 7 and and CC 28553 1890 8 telegraphic telegraphic JJ 28553 1890 9 instruments instrument NNS 28553 1890 10 are be VBP 28553 1890 11 provided provide VBN 28553 1890 12 to to TO 28553 1890 13 enable enable VB 28553 1890 14 the the DT 28553 1890 15 signalmen signalmen NN 28553 1890 16 to to TO 28553 1890 17 converse converse VB 28553 1890 18 . . . 28553 1891 1 SERIES serie NNS 28553 1891 2 OF of IN 28553 1891 3 SIGNALLING SIGNALLING NNP 28553 1891 4 OPERATIONS OPERATIONS NNP 28553 1891 5 . . . 28553 1892 1 [ [ -LRB- 28553 1892 2 Illustration illustration NN 28553 1892 3 : : : 28553 1892 4 FIG FIG NNP 28553 1892 5 . . . 28553 1893 1 100.--The 100.--the CD 28553 1893 2 signaling signal VBG 28553 1893 3 instruments instrument NNS 28553 1893 4 in in IN 28553 1893 5 three three CD 28553 1893 6 adjacent adjacent JJ 28553 1893 7 cabins cabin NNS 28553 1893 8 . . . 28553 1894 1 The the DT 28553 1894 2 featherless featherless NN 28553 1894 3 arrows arrow NNS 28553 1894 4 show show VBP 28553 1894 5 the the DT 28553 1894 6 connection connection NN 28553 1894 7 of of IN 28553 1894 8 the the DT 28553 1894 9 instruments instrument NNS 28553 1894 10 . . . 28553 1894 11 ] ] -RRB- 28553 1895 1 We -PRON- PRP 28553 1895 2 may may MD 28553 1895 3 now now RB 28553 1895 4 watch watch VB 28553 1895 5 the the DT 28553 1895 6 doings doing NNS 28553 1895 7 of of IN 28553 1895 8 signalmen signalman NNS 28553 1895 9 in in IN 28553 1895 10 four four CD 28553 1895 11 successive successive JJ 28553 1895 12 boxes box NNS 28553 1895 13 , , , 28553 1895 14 A a NN 28553 1895 15 , , , 28553 1895 16 B B NNP 28553 1895 17 , , , 28553 1895 18 C C NNP 28553 1895 19 , , , 28553 1895 20 and and CC 28553 1895 21 D d NN 28553 1895 22 , , , 28553 1895 23 during during IN 28553 1895 24 the the DT 28553 1895 25 passage passage NN 28553 1895 26 of of IN 28553 1895 27 an an DT 28553 1895 28 express express JJ 28553 1895 29 train train NN 28553 1895 30 . . . 28553 1896 1 Signalman Signalman NNP 28553 1896 2 A a DT 28553 1896 3 calls call VBZ 28553 1896 4 signalman signalman NN 28553 1896 5 B b NN 28553 1896 6 's 's POS 28553 1896 7 attention attention NN 28553 1896 8 by by IN 28553 1896 9 one one CD 28553 1896 10 beat beat NN 28553 1896 11 on on IN 28553 1896 12 the the DT 28553 1896 13 tapper tapper NN 28553 1896 14 - - HYPH 28553 1896 15 bell bell NNP 28553 1896 16 . . . 28553 1897 1 B b NN 28553 1897 2 answers answer NNS 28553 1897 3 by by IN 28553 1897 4 repeating repeat VBG 28553 1897 5 it -PRON- PRP 28553 1897 6 to to TO 28553 1897 7 show show VB 28553 1897 8 that that IN 28553 1897 9 he -PRON- PRP 28553 1897 10 is be VBZ 28553 1897 11 attending attend VBG 28553 1897 12 . . . 28553 1898 1 A a DT 28553 1898 2 asks ask VBZ 28553 1898 3 , , , 28553 1898 4 " " `` 28553 1898 5 Is be VBZ 28553 1898 6 line line NN 28553 1898 7 clear clear JJ 28553 1898 8 for for IN 28553 1898 9 passenger passenger NN 28553 1898 10 express express NN 28553 1898 11 ? ? . 28553 1898 12 " " '' 28553 1899 1 --four --four NNP 28553 1899 2 beats beat VBZ 28553 1899 3 on on IN 28553 1899 4 the the DT 28553 1899 5 bell bell NN 28553 1899 6 . . . 28553 1900 1 B b UH 28553 1900 2 , , , 28553 1900 3 seeing see VBG 28553 1900 4 that that IN 28553 1900 5 the the DT 28553 1900 6 line line NN 28553 1900 7 is be VBZ 28553 1900 8 clear clear JJ 28553 1900 9 to to IN 28553 1900 10 his -PRON- PRP$ 28553 1900 11 clearing clearing NN 28553 1900 12 point point NN 28553 1900 13 , , , 28553 1900 14 sends send VBZ 28553 1900 15 back back RB 28553 1900 16 four four CD 28553 1900 17 beats beat NNS 28553 1900 18 , , , 28553 1900 19 and and CC 28553 1900 20 pins pin NNS 28553 1900 21 down down RP 28553 1900 22 the the DT 28553 1900 23 white white JJ 28553 1900 24 key key NN 28553 1900 25 of of IN 28553 1900 26 his -PRON- PRP$ 28553 1900 27 instrument instrument NN 28553 1900 28 . . . 28553 1901 1 " " `` 28553 1901 2 Line line NN 28553 1901 3 clear clear JJ 28553 1901 4 " " '' 28553 1901 5 appears appear VBZ 28553 1901 6 on on IN 28553 1901 7 the the DT 28553 1901 8 opening opening NN 28553 1901 9 , , , 28553 1901 10 and and CC 28553 1901 11 also also RB 28553 1901 12 at at IN 28553 1901 13 that that DT 28553 1901 14 of of IN 28553 1901 15 A A NNP 28553 1901 16 's 's POS 28553 1901 17 keyless keyless JJ 28553 1901 18 disc disc NN 28553 1901 19 . . . 28553 1902 1 A a DT 28553 1902 2 lowers lower NNS 28553 1902 3 starting start VBG 28553 1902 4 signal signal NN 28553 1902 5 . . . 28553 1903 1 Train train NN 28553 1903 2 moves move VBZ 28553 1903 3 off off RP 28553 1903 4 . . . 28553 1904 1 A a DT 28553 1904 2 gives give VBZ 28553 1904 3 two two CD 28553 1904 4 beats beat NNS 28553 1904 5 on on IN 28553 1904 6 the the DT 28553 1904 7 tapper tapper NN 28553 1904 8 = = NFP 28553 1904 9 " " `` 28553 1904 10 Train train NN 28553 1904 11 entering enter VBG 28553 1904 12 section section NN 28553 1904 13 . . . 28553 1904 14 " " '' 28553 1905 1 B b NN 28553 1905 2 pins pin NNS 28553 1905 3 indicator indicator NN 28553 1905 4 at at IN 28553 1905 5 " " `` 28553 1905 6 Train train NN 28553 1905 7 on on IN 28553 1905 8 line line NN 28553 1905 9 , , , 28553 1905 10 " " '' 28553 1905 11 which which WDT 28553 1905 12 also also RB 28553 1905 13 appears appear VBZ 28553 1905 14 on on IN 28553 1905 15 A A NNP 28553 1905 16 's 's POS 28553 1905 17 instrument instrument NN 28553 1905 18 . . . 28553 1906 1 A a DT 28553 1906 2 places place NNS 28553 1906 3 signals signal VBZ 28553 1906 4 at at IN 28553 1906 5 danger danger NN 28553 1906 6 . . . 28553 1907 1 B B NNP 28553 1907 2 asks ask VBZ 28553 1907 3 C C NNP 28553 1907 4 , , , 28553 1907 5 " " '' 28553 1907 6 Is be VBZ 28553 1907 7 line line NN 28553 1907 8 clear clear JJ 28553 1907 9 ? ? . 28553 1907 10 " " '' 28553 1908 1 C C NNP 28553 1908 2 repeats repeat VBZ 28553 1908 3 the the DT 28553 1908 4 bell bell NNP 28553 1908 5 code code NNP 28553 1908 6 , , , 28553 1908 7 and and CC 28553 1908 8 pins pin NNS 28553 1908 9 indicator indicator NN 28553 1908 10 at at IN 28553 1908 11 " " `` 28553 1908 12 Line line NN 28553 1908 13 clear clear JJ 28553 1908 14 , , , 28553 1908 15 " " '' 28553 1908 16 shown show VBN 28553 1908 17 on on IN 28553 1908 18 B B NNP 28553 1908 19 's 's POS 28553 1908 20 keyless keyless JJ 28553 1908 21 disc disc NN 28553 1908 22 also also RB 28553 1908 23 . . . 28553 1909 1 B b NN 28553 1909 2 lowers lower VBZ 28553 1909 3 all all DT 28553 1909 4 signals signal NNS 28553 1909 5 . . . 28553 1910 1 Train train NN 28553 1910 2 passes pass VBZ 28553 1910 3 . . . 28553 1911 1 B b NN 28553 1911 2 signals signal NNS 28553 1911 3 to to IN 28553 1911 4 C c NN 28553 1911 5 , , , 28553 1911 6 " " '' 28553 1911 7 Train train NN 28553 1911 8 entering enter VBG 28553 1911 9 section section NN 28553 1911 10 . . . 28553 1911 11 " " '' 28553 1912 1 B b NN 28553 1912 2 signals signal NNS 28553 1912 3 to to IN 28553 1912 4 A a NN 28553 1912 5 , , , 28553 1912 6 " " `` 28553 1912 7 Train train VB 28553 1912 8 out out IN 28553 1912 9 of of IN 28553 1912 10 section section NN 28553 1912 11 , , , 28553 1912 12 " " '' 28553 1912 13 and and CC 28553 1912 14 releases release NNS 28553 1912 15 indicator indicator NN 28553 1912 16 , , , 28553 1912 17 which which WDT 28553 1912 18 returns return VBZ 28553 1912 19 to to IN 28553 1912 20 normal normal JJ 28553 1912 21 position position NN 28553 1912 22 with with IN 28553 1912 23 half half NN 28553 1912 24 of of IN 28553 1912 25 each each DT 28553 1912 26 flag flag NN 28553 1912 27 showing show VBG 28553 1912 28 at at IN 28553 1912 29 the the DT 28553 1912 30 window window NN 28553 1912 31 . . . 28553 1913 1 B b NN 28553 1913 2 signals signal NNS 28553 1913 3 to to IN 28553 1913 4 C c NN 28553 1913 5 , , , 28553 1913 6 " " '' 28553 1913 7 Train train VB 28553 1913 8 on on IN 28553 1913 9 line line NN 28553 1913 10 , , , 28553 1913 11 " " '' 28553 1913 12 and and CC 28553 1913 13 sets set VBZ 28553 1913 14 all all PDT 28553 1913 15 his -PRON- PRP$ 28553 1913 16 signals signal NNS 28553 1913 17 to to IN 28553 1913 18 danger danger NN 28553 1913 19 . . . 28553 1914 1 C c NN 28553 1914 2 pins pin NNS 28553 1914 3 indicator indicator NN 28553 1914 4 to to IN 28553 1914 5 " " `` 28553 1914 6 Train train VB 28553 1914 7 on on IN 28553 1914 8 line line NN 28553 1914 9 . . . 28553 1914 10 " " '' 28553 1915 1 C C NNP 28553 1915 2 asks ask VBZ 28553 1915 3 , , , 28553 1915 4 " " `` 28553 1915 5 Is be VBZ 28553 1915 6 line line NN 28553 1915 7 clear clear JJ 28553 1915 8 ? ? . 28553 1915 9 " " '' 28553 1916 1 But but CC 28553 1916 2 there there EX 28553 1916 3 is be VBZ 28553 1916 4 a a DT 28553 1916 5 train train NN 28553 1916 6 at at IN 28553 1916 7 station station NN 28553 1916 8 D D NNP 28553 1916 9 , , , 28553 1916 10 and and CC 28553 1916 11 signalman signalman NN 28553 1916 12 D d NN 28553 1916 13 therefore therefore RB 28553 1916 14 gives give VBZ 28553 1916 15 no no DT 28553 1916 16 reply reply NN 28553 1916 17 , , , 28553 1916 18 which which WDT 28553 1916 19 is be VBZ 28553 1916 20 equivalent equivalent JJ 28553 1916 21 to to IN 28553 1916 22 a a DT 28553 1916 23 negative negative NN 28553 1916 24 . . . 28553 1917 1 The the DT 28553 1917 2 driver driver NN 28553 1917 3 , , , 28553 1917 4 on on IN 28553 1917 5 approaching approach VBG 28553 1917 6 C C NNP 28553 1917 7 's 's POS 28553 1917 8 distant distant JJ 28553 1917 9 , , , 28553 1917 10 sees see VBZ 28553 1917 11 it -PRON- PRP 28553 1917 12 at at IN 28553 1917 13 danger danger NN 28553 1917 14 , , , 28553 1917 15 and and CC 28553 1917 16 slows slow VBZ 28553 1917 17 down down RB 28553 1917 18 , , , 28553 1917 19 stopping stop VBG 28553 1917 20 at at IN 28553 1917 21 the the DT 28553 1917 22 home home NN 28553 1917 23 . . . 28553 1918 1 C C NNP 28553 1918 2 lowers lower VBZ 28553 1918 3 home home NN 28553 1918 4 , , , 28553 1918 5 and and CC 28553 1918 6 allows allow VBZ 28553 1918 7 train train NN 28553 1918 8 to to TO 28553 1918 9 proceed proceed VB 28553 1918 10 to to IN 28553 1918 11 his -PRON- PRP$ 28553 1918 12 starting starting NN 28553 1918 13 signal signal NN 28553 1918 14 . . . 28553 1919 1 D D NNP 28553 1919 2 , , , 28553 1919 3 when when WRB 28553 1919 4 the the DT 28553 1919 5 line line NN 28553 1919 6 is be VBZ 28553 1919 7 clear clear JJ 28553 1919 8 to to IN 28553 1919 9 his -PRON- PRP$ 28553 1919 10 clearing clearing NN 28553 1919 11 point point NN 28553 1919 12 , , , 28553 1919 13 signals signal VBZ 28553 1919 14 " " `` 28553 1919 15 Line line NN 28553 1919 16 clear clear JJ 28553 1919 17 , , , 28553 1919 18 " " '' 28553 1919 19 and and CC 28553 1919 20 pins pin NNS 28553 1919 21 indicator indicator NN 28553 1919 22 at at IN 28553 1919 23 " " `` 28553 1919 24 Line line NN 28553 1919 25 clear clear JJ 28553 1919 26 . . . 28553 1919 27 " " '' 28553 1920 1 C C NNP 28553 1920 2 lowers lower VBZ 28553 1920 3 starting start VBG 28553 1920 4 signals signal NNS 28553 1920 5 , , , 28553 1920 6 and and CC 28553 1920 7 train train NN 28553 1920 8 proceeds proceed NNS 28553 1920 9 . . . 28553 1921 1 C C NNP 28553 1921 2 signals signal VBZ 28553 1921 3 to to IN 28553 1921 4 D d NN 28553 1921 5 , , , 28553 1921 6 " " `` 28553 1921 7 Train train NN 28553 1921 8 entering enter VBG 28553 1921 9 section section NN 28553 1921 10 , , , 28553 1921 11 " " '' 28553 1921 12 and and CC 28553 1921 13 D d JJ 28553 1921 14 pins pin NNS 28553 1921 15 indicator indicator NN 28553 1921 16 at at IN 28553 1921 17 " " `` 28553 1921 18 Train train NN 28553 1921 19 on on IN 28553 1921 20 line line NN 28553 1921 21 . . . 28553 1921 22 " " '' 28553 1922 1 C C NNP 28553 1922 2 signals signal VBZ 28553 1922 3 to to IN 28553 1922 4 B b NN 28553 1922 5 , , , 28553 1922 6 " " '' 28553 1922 7 Train train VB 28553 1922 8 out out IN 28553 1922 9 of of IN 28553 1922 10 section section NN 28553 1922 11 , , , 28553 1922 12 " " '' 28553 1922 13 sets set VBZ 28553 1922 14 indicator indicator NN 28553 1922 15 at at IN 28553 1922 16 normal normal JJ 28553 1922 17 , , , 28553 1922 18 and and CC 28553 1922 19 puts put VBZ 28553 1922 20 signals signal NNS 28553 1922 21 at at IN 28553 1922 22 danger danger NN 28553 1922 23 . . . 28553 1923 1 And and CC 28553 1923 2 so so RB 28553 1923 3 the the DT 28553 1923 4 process process NN 28553 1923 5 is be VBZ 28553 1923 6 repeated repeat VBN 28553 1923 7 from from IN 28553 1923 8 station station NN 28553 1923 9 to to IN 28553 1923 10 station station NN 28553 1923 11 . . . 28553 1924 1 Where where WRB 28553 1924 2 , , , 28553 1924 3 however however RB 28553 1924 4 , , , 28553 1924 5 sections section NNS 28553 1924 6 are be VBP 28553 1924 7 short short JJ 28553 1924 8 , , , 28553 1924 9 the the DT 28553 1924 10 signalman signalman NN 28553 1924 11 is be VBZ 28553 1924 12 advised advise VBN 28553 1924 13 one one CD 28553 1924 14 section section NN 28553 1924 15 ahead ahead RB 28553 1924 16 of of IN 28553 1924 17 the the DT 28553 1924 18 approach approach NN 28553 1924 19 of of IN 28553 1924 20 a a DT 28553 1924 21 train train NN 28553 1924 22 by by IN 28553 1924 23 an an DT 28553 1924 24 additional additional JJ 28553 1924 25 signal signal NN 28553 1924 26 signifying signifying NN 28553 1924 27 , , , 28553 1924 28 " " `` 28553 1924 29 Fast fast JJ 28553 1924 30 train train NN 28553 1924 31 approaching approach VBG 28553 1924 32 . . . 28553 1924 33 " " '' 28553 1925 1 The the DT 28553 1925 2 block block NN 28553 1925 3 indicator indicator NN 28553 1925 4 reminds remind VBZ 28553 1925 5 the the DT 28553 1925 6 signalman signalman NN 28553 1925 7 of of IN 28553 1925 8 the the DT 28553 1925 9 whereabouts whereabouts NN 28553 1925 10 of of IN 28553 1925 11 the the DT 28553 1925 12 train train NN 28553 1925 13 . . . 28553 1926 1 Unless unless IN 28553 1926 2 his -PRON- PRP$ 28553 1926 3 keyless keyless JJ 28553 1926 4 indicator indicator NN 28553 1926 5 is be VBZ 28553 1926 6 at at IN 28553 1926 7 normal normal JJ 28553 1926 8 , , , 28553 1926 9 he -PRON- PRP 28553 1926 10 may may MD 28553 1926 11 not not RB 28553 1926 12 ask ask VB 28553 1926 13 , , , 28553 1926 14 " " `` 28553 1926 15 Is be VBZ 28553 1926 16 line line NN 28553 1926 17 clear clear JJ 28553 1926 18 ? ? . 28553 1926 19 " " '' 28553 1927 1 And and CC 28553 1927 2 until until IN 28553 1927 3 he -PRON- PRP 28553 1927 4 signals signal VBZ 28553 1927 5 back back RB 28553 1927 6 " " `` 28553 1927 7 Line line NN 28553 1927 8 clear clear JJ 28553 1927 9 " " '' 28553 1927 10 to to IN 28553 1927 11 the the DT 28553 1927 12 box box NN 28553 1927 13 behind behind RB 28553 1927 14 , , , 28553 1927 15 a a DT 28553 1927 16 train train NN 28553 1927 17 is be VBZ 28553 1927 18 not not RB 28553 1927 19 allowed allow VBN 28553 1927 20 to to TO 28553 1927 21 enter enter VB 28553 1927 22 his -PRON- PRP$ 28553 1927 23 section section NN 28553 1927 24 . . . 28553 1928 1 In in IN 28553 1928 2 this this DT 28553 1928 3 way way NN 28553 1928 4 a a DT 28553 1928 5 section section NN 28553 1928 6 of of IN 28553 1928 7 line line NN 28553 1928 8 with with IN 28553 1928 9 a a DT 28553 1928 10 full full JJ 28553 1928 11 complement complement NN 28553 1928 12 of of IN 28553 1928 13 signals signal NNS 28553 1928 14 is be VBZ 28553 1928 15 always always RB 28553 1928 16 interposed interpose VBN 28553 1928 17 between between IN 28553 1928 18 any any DT 28553 1928 19 two two CD 28553 1928 20 trains train NNS 28553 1928 21 . . . 28553 1929 1 THE the DT 28553 1929 2 WORKING working NN 28553 1929 3 OF of IN 28553 1929 4 SINGLE single JJ 28553 1929 5 LINES LINES NNP 28553 1929 6 . . . 28553 1930 1 We -PRON- PRP 28553 1930 2 have have VBP 28553 1930 3 dealt deal VBN 28553 1930 4 with with IN 28553 1930 5 the the DT 28553 1930 6 signalling signal VBG 28553 1930 7 arrangements arrangement NNS 28553 1930 8 pertaining pertain VBG 28553 1930 9 to to IN 28553 1930 10 double double JJ 28553 1930 11 lines line NNS 28553 1930 12 of of IN 28553 1930 13 railway railway NN 28553 1930 14 , , , 28553 1930 15 showing show VBG 28553 1930 16 that that IN 28553 1930 17 a a DT 28553 1930 18 system system NN 28553 1930 19 of of IN 28553 1930 20 signals signal NNS 28553 1930 21 is be VBZ 28553 1930 22 necessary necessary JJ 28553 1930 23 to to TO 28553 1930 24 prevent prevent VB 28553 1930 25 a a DT 28553 1930 26 train train NN 28553 1930 27 running run VBG 28553 1930 28 into into IN 28553 1930 29 the the DT 28553 1930 30 back back NN 28553 1930 31 of of IN 28553 1930 32 its -PRON- PRP$ 28553 1930 33 predecessor predecessor NN 28553 1930 34 . . . 28553 1931 1 Where where WRB 28553 1931 2 trains train NNS 28553 1931 3 in in IN 28553 1931 4 both both DT 28553 1931 5 directions direction NNS 28553 1931 6 pass pass VBP 28553 1931 7 over over RP 28553 1931 8 a a DT 28553 1931 9 single single JJ 28553 1931 10 line line NN 28553 1931 11 , , , 28553 1931 12 not not RB 28553 1931 13 only only RB 28553 1931 14 has have VBZ 28553 1931 15 this this DT 28553 1931 16 element element NN 28553 1931 17 of of IN 28553 1931 18 danger danger NN 28553 1931 19 to to TO 28553 1931 20 be be VB 28553 1931 21 dealt deal VBN 28553 1931 22 with with IN 28553 1931 23 , , , 28553 1931 24 but but CC 28553 1931 25 also also RB 28553 1931 26 the the DT 28553 1931 27 possibility possibility NN 28553 1931 28 of of IN 28553 1931 29 a a DT 28553 1931 30 train train NN 28553 1931 31 being be VBG 28553 1931 32 allowed allow VBN 28553 1931 33 to to TO 28553 1931 34 enter enter VB 28553 1931 35 a a DT 28553 1931 36 section section NN 28553 1931 37 of of IN 28553 1931 38 line line NN 28553 1931 39 from from IN 28553 1931 40 each each DT 28553 1931 41 end end NN 28553 1931 42 _ _ XX 28553 1931 43 at at IN 28553 1931 44 the the DT 28553 1931 45 same same JJ 28553 1931 46 time time NN 28553 1931 47 _ _ NNP 28553 1931 48 . . . 28553 1932 1 This this DT 28553 1932 2 is be VBZ 28553 1932 3 effected effect VBN 28553 1932 4 in in IN 28553 1932 5 several several JJ 28553 1932 6 ways way NNS 28553 1932 7 , , , 28553 1932 8 the the DT 28553 1932 9 essence essence NN 28553 1932 10 of of IN 28553 1932 11 each each DT 28553 1932 12 being be VBG 28553 1932 13 that that IN 28553 1932 14 the the DT 28553 1932 15 engine engine NN 28553 1932 16 - - HYPH 28553 1932 17 driver driver NN 28553 1932 18 shall shall MD 28553 1932 19 have have VB 28553 1932 20 in in IN 28553 1932 21 his -PRON- PRP$ 28553 1932 22 possession possession NN 28553 1932 23 _ _ IN 28553 1932 24 visible visible JJ 28553 1932 25 _ _ NNP 28553 1932 26 evidence evidence NN 28553 1932 27 of of IN 28553 1932 28 the the DT 28553 1932 29 permission permission NN 28553 1932 30 accorded accord VBD 28553 1932 31 him -PRON- PRP 28553 1932 32 by by IN 28553 1932 33 the the DT 28553 1932 34 signalman signalman NN 28553 1932 35 to to TO 28553 1932 36 enter enter VB 28553 1932 37 a a DT 28553 1932 38 section section NN 28553 1932 39 of of IN 28553 1932 40 single single JJ 28553 1932 41 line line NN 28553 1932 42 . . . 28553 1933 1 A a DT 28553 1933 2 SINGLE single JJ 28553 1933 3 TRAIN train NN 28553 1933 4 STAFF staff NN 28553 1933 5 . . . 28553 1934 1 The the DT 28553 1934 2 simplest simple JJS 28553 1934 3 form form NN 28553 1934 4 of of IN 28553 1934 5 working work VBG 28553 1934 6 is be VBZ 28553 1934 7 to to TO 28553 1934 8 allocate allocate VB 28553 1934 9 to to IN 28553 1934 10 the the DT 28553 1934 11 length length NN 28553 1934 12 of of IN 28553 1934 13 line line NN 28553 1934 14 a a DT 28553 1934 15 " " `` 28553 1934 16 train train NN 28553 1934 17 staff"--a staff"--a NN 28553 1934 18 piece piece NN 28553 1934 19 of of IN 28553 1934 20 wood wood NN 28553 1934 21 about about RB 28553 1934 22 14 14 CD 28553 1934 23 inches inch NNS 28553 1934 24 long long JJ 28553 1934 25 , , , 28553 1934 26 bearing bear VBG 28553 1934 27 the the DT 28553 1934 28 names name NNS 28553 1934 29 of of IN 28553 1934 30 the the DT 28553 1934 31 stations station NNS 28553 1934 32 at at IN 28553 1934 33 either either DT 28553 1934 34 end end NN 28553 1934 35 . . . 28553 1935 1 This this DT 28553 1935 2 is be VBZ 28553 1935 3 adopted adopt VBN 28553 1935 4 where where WRB 28553 1935 5 only only RB 28553 1935 6 one one CD 28553 1935 7 engine engine NN 28553 1935 8 is be VBZ 28553 1935 9 used use VBN 28553 1935 10 for for IN 28553 1935 11 working work VBG 28553 1935 12 a a DT 28553 1935 13 section section NN 28553 1935 14 , , , 28553 1935 15 such such JJ 28553 1935 16 as as IN 28553 1935 17 a a DT 28553 1935 18 short short JJ 28553 1935 19 branch branch NN 28553 1935 20 line line NN 28553 1935 21 . . . 28553 1936 1 In in IN 28553 1936 2 a a DT 28553 1936 3 case case NN 28553 1936 4 like like IN 28553 1936 5 this this DT 28553 1936 6 there there EX 28553 1936 7 is be VBZ 28553 1936 8 obviously obviously RB 28553 1936 9 no no DT 28553 1936 10 danger danger NN 28553 1936 11 of of IN 28553 1936 12 two two CD 28553 1936 13 trains train NNS 28553 1936 14 meeting meet VBG 28553 1936 15 , , , 28553 1936 16 and and CC 28553 1936 17 the the DT 28553 1936 18 train train NN 28553 1936 19 staff staff NN 28553 1936 20 is be VBZ 28553 1936 21 merely merely RB 28553 1936 22 the the DT 28553 1936 23 authority authority NN 28553 1936 24 to to IN 28553 1936 25 the the DT 28553 1936 26 driver driver NN 28553 1936 27 to to TO 28553 1936 28 start start VB 28553 1936 29 a a DT 28553 1936 30 journey journey NN 28553 1936 31 . . . 28553 1937 1 No no DT 28553 1937 2 telegraphic telegraphic JJ 28553 1937 3 communication communication NN 28553 1937 4 is be VBZ 28553 1937 5 necessary necessary JJ 28553 1937 6 with with IN 28553 1937 7 such such PDT 28553 1937 8 a a DT 28553 1937 9 system system NN 28553 1937 10 , , , 28553 1937 11 and and CC 28553 1937 12 signals signal NNS 28553 1937 13 are be VBP 28553 1937 14 placed place VBN 28553 1937 15 only only RB 28553 1937 16 at at IN 28553 1937 17 the the DT 28553 1937 18 ends end NNS 28553 1937 19 of of IN 28553 1937 20 the the DT 28553 1937 21 line line NN 28553 1937 22 . . . 28553 1938 1 TRAIN train NN 28553 1938 2 STAFF staff NN 28553 1938 3 AND and CC 28553 1938 4 TICKET ticket NN 28553 1938 5 . . . 28553 1939 1 On on IN 28553 1939 2 long long JJ 28553 1939 3 lengths length NNS 28553 1939 4 of of IN 28553 1939 5 single single JJ 28553 1939 6 line line NN 28553 1939 7 where where WRB 28553 1939 8 more more JJR 28553 1939 9 than than IN 28553 1939 10 one one CD 28553 1939 11 train train NN 28553 1939 12 has have VBZ 28553 1939 13 to to TO 28553 1939 14 be be VB 28553 1939 15 considered consider VBN 28553 1939 16 , , , 28553 1939 17 the the DT 28553 1939 18 line line NN 28553 1939 19 is be VBZ 28553 1939 20 divided divide VBN 28553 1939 21 into into IN 28553 1939 22 blocks block NNS 28553 1939 23 in in IN 28553 1939 24 the the DT 28553 1939 25 way way NN 28553 1939 26 already already RB 28553 1939 27 described describe VBN 28553 1939 28 for for IN 28553 1939 29 double double JJ 28553 1939 30 lines line NNS 28553 1939 31 , , , 28553 1939 32 and and CC 28553 1939 33 a a DT 28553 1939 34 staff staff NN 28553 1939 35 is be VBZ 28553 1939 36 assigned assign VBN 28553 1939 37 to to IN 28553 1939 38 each each DT 28553 1939 39 , , , 28553 1939 40 the the DT 28553 1939 41 staffs staff NNS 28553 1939 42 for for IN 28553 1939 43 the the DT 28553 1939 44 various various JJ 28553 1939 45 blocks block NNS 28553 1939 46 differing differ VBG 28553 1939 47 from from IN 28553 1939 48 each each DT 28553 1939 49 other other JJ 28553 1939 50 in in IN 28553 1939 51 shape shape NN 28553 1939 52 and and CC 28553 1939 53 colour colour NN 28553 1939 54 . . . 28553 1940 1 The the DT 28553 1940 2 usual usual JJ 28553 1940 3 signals signal NNS 28553 1940 4 are be VBP 28553 1940 5 provided provide VBN 28553 1940 6 at at IN 28553 1940 7 each each DT 28553 1940 8 station station NN 28553 1940 9 , , , 28553 1940 10 and and CC 28553 1940 11 block block NN 28553 1940 12 telegraph telegraph NN 28553 1940 13 instruments instrument NNS 28553 1940 14 are be VBP 28553 1940 15 employed employ VBN 28553 1940 16 , , , 28553 1940 17 the the DT 28553 1940 18 only only JJ 28553 1940 19 difference difference NN 28553 1940 20 being be VBG 28553 1940 21 that that IN 28553 1940 22 one one CD 28553 1940 23 disc disc NN 28553 1940 24 , , , 28553 1940 25 of of IN 28553 1940 26 the the DT 28553 1940 27 key key JJ 28553 1940 28 pattern pattern NN 28553 1940 29 , , , 28553 1940 30 is be VBZ 28553 1940 31 used use VBN 28553 1940 32 for for IN 28553 1940 33 trains train NNS 28553 1940 34 in in IN 28553 1940 35 both both DT 28553 1940 36 directions direction NNS 28553 1940 37 . . . 28553 1941 1 On on IN 28553 1941 2 such such PDT 28553 1941 3 a a DT 28553 1941 4 line line NN 28553 1941 5 it -PRON- PRP 28553 1941 6 is be VBZ 28553 1941 7 , , , 28553 1941 8 of of IN 28553 1941 9 course course NN 28553 1941 10 , , , 28553 1941 11 possible possible JJ 28553 1941 12 that that IN 28553 1941 13 two two CD 28553 1941 14 or or CC 28553 1941 15 more more JJR 28553 1941 16 trains train NNS 28553 1941 17 may may MD 28553 1941 18 require require VB 28553 1941 19 to to TO 28553 1941 20 follow follow VB 28553 1941 21 each each DT 28553 1941 22 other other JJ 28553 1941 23 without without IN 28553 1941 24 any any DT 28553 1941 25 travelling travel VBG 28553 1941 26 intermediately intermediately RB 28553 1941 27 in in IN 28553 1941 28 the the DT 28553 1941 29 opposite opposite JJ 28553 1941 30 direction direction NN 28553 1941 31 . . . 28553 1942 1 This this DT 28553 1942 2 would would MD 28553 1942 3 be be VB 28553 1942 4 impossible impossible JJ 28553 1942 5 if if IN 28553 1942 6 the the DT 28553 1942 7 staff staff NN 28553 1942 8 passed pass VBD 28553 1942 9 uniformly uniformly RB 28553 1942 10 to to IN 28553 1942 11 and and CC 28553 1942 12 fro fro NNP 28553 1942 13 in in IN 28553 1942 14 the the DT 28553 1942 15 block block NN 28553 1942 16 section section NN 28553 1942 17 ; ; : 28553 1942 18 but but CC 28553 1942 19 it -PRON- PRP 28553 1942 20 is be VBZ 28553 1942 21 arranged arrange VBN 28553 1942 22 by by IN 28553 1942 23 the the DT 28553 1942 24 introduction introduction NN 28553 1942 25 of of IN 28553 1942 26 a a DT 28553 1942 27 train train NN 28553 1942 28 staff staff NN 28553 1942 29 _ _ NNP 28553 1942 30 ticket ticket NN 28553 1942 31 _ _ NNP 28553 1942 32 used use VBD 28553 1942 33 in in IN 28553 1942 34 conjunction conjunction NN 28553 1942 35 with with IN 28553 1942 36 the the DT 28553 1942 37 staff staff NN 28553 1942 38 . . . 28553 1943 1 No no DT 28553 1943 2 train train NN 28553 1943 3 is be VBZ 28553 1943 4 permitted permit VBN 28553 1943 5 to to TO 28553 1943 6 leave leave VB 28553 1943 7 a a DT 28553 1943 8 staff staff NN 28553 1943 9 station station NN 28553 1943 10 unless unless IN 28553 1943 11 the the DT 28553 1943 12 staff staff NN 28553 1943 13 for for IN 28553 1943 14 the the DT 28553 1943 15 section section NN 28553 1943 16 of of IN 28553 1943 17 line line NN 28553 1943 18 to to TO 28553 1943 19 be be VB 28553 1943 20 traversed traverse VBN 28553 1943 21 is be VBZ 28553 1943 22 at at IN 28553 1943 23 the the DT 28553 1943 24 station station NN 28553 1943 25 ; ; , 28553 1943 26 and and CC 28553 1943 27 the the DT 28553 1943 28 driver driver NN 28553 1943 29 has have VBZ 28553 1943 30 the the DT 28553 1943 31 strictest strictest NN 28553 1943 32 possible possible JJ 28553 1943 33 instructions instruction NNS 28553 1943 34 that that WDT 28553 1943 35 he -PRON- PRP 28553 1943 36 must must MD 28553 1943 37 _ _ NNP 28553 1943 38 see see VB 28553 1943 39 _ _ NNP 28553 1943 40 the the DT 28553 1943 41 staff staff NN 28553 1943 42 . . . 28553 1944 1 If if IN 28553 1944 2 a a DT 28553 1944 3 second second JJ 28553 1944 4 train train NN 28553 1944 5 is be VBZ 28553 1944 6 required require VBN 28553 1944 7 to to TO 28553 1944 8 follow follow VB 28553 1944 9 , , , 28553 1944 10 the the DT 28553 1944 11 staff staff NN 28553 1944 12 is be VBZ 28553 1944 13 _ _ NNP 28553 1944 14 shown show VBN 28553 1944 15 _ _ NNP 28553 1944 16 to to IN 28553 1944 17 the the DT 28553 1944 18 driver driver NN 28553 1944 19 , , , 28553 1944 20 and and CC 28553 1944 21 a a DT 28553 1944 22 train train NN 28553 1944 23 staff staff NN 28553 1944 24 ticket ticket NN 28553 1944 25 handed hand VBD 28553 1944 26 him -PRON- PRP 28553 1944 27 as as IN 28553 1944 28 his -PRON- PRP$ 28553 1944 29 authority authority NN 28553 1944 30 to to TO 28553 1944 31 proceed proceed VB 28553 1944 32 . . . 28553 1945 1 If if IN 28553 1945 2 , , , 28553 1945 3 however however RB 28553 1945 4 , , , 28553 1945 5 the the DT 28553 1945 6 next next JJ 28553 1945 7 train train NN 28553 1945 8 over over IN 28553 1945 9 the the DT 28553 1945 10 section section NN 28553 1945 11 will will MD 28553 1945 12 enter enter VB 28553 1945 13 from from IN 28553 1945 14 the the DT 28553 1945 15 opposite opposite JJ 28553 1945 16 end end NN 28553 1945 17 , , , 28553 1945 18 the the DT 28553 1945 19 staff staff NN 28553 1945 20 is be VBZ 28553 1945 21 _ _ NNP 28553 1945 22 handed hand VBD 28553 1945 23 _ _ NNP 28553 1945 24 to to IN 28553 1945 25 the the DT 28553 1945 26 driver driver NN 28553 1945 27 . . . 28553 1946 1 To to TO 28553 1946 2 render render VB 28553 1946 3 this this DT 28553 1946 4 system system NN 28553 1946 5 as as RB 28553 1946 6 safe safe JJ 28553 1946 7 as as IN 28553 1946 8 possible possible JJ 28553 1946 9 , , , 28553 1946 10 train train VB 28553 1946 11 staff staff NN 28553 1946 12 tickets ticket NNS 28553 1946 13 are be VBP 28553 1946 14 of of IN 28553 1946 15 the the DT 28553 1946 16 same same JJ 28553 1946 17 colour colour NN 28553 1946 18 and and CC 28553 1946 19 shape shape NN 28553 1946 20 as as IN 28553 1946 21 the the DT 28553 1946 22 staff staff NN 28553 1946 23 for for IN 28553 1946 24 the the DT 28553 1946 25 section section NN 28553 1946 26 to to TO 28553 1946 27 which which WDT 28553 1946 28 they -PRON- PRP 28553 1946 29 apply apply VBP 28553 1946 30 , , , 28553 1946 31 and and CC 28553 1946 32 are be VBP 28553 1946 33 kept keep VBN 28553 1946 34 in in IN 28553 1946 35 a a DT 28553 1946 36 special special JJ 28553 1946 37 box box NN 28553 1946 38 at at IN 28553 1946 39 the the DT 28553 1946 40 stations station NNS 28553 1946 41 , , , 28553 1946 42 the the DT 28553 1946 43 key key NN 28553 1946 44 being be VBG 28553 1946 45 attached attach VBN 28553 1946 46 to to IN 28553 1946 47 the the DT 28553 1946 48 staff staff NN 28553 1946 49 and and CC 28553 1946 50 the the DT 28553 1946 51 lock lock NN 28553 1946 52 so so RB 28553 1946 53 arranged arrange VBD 28553 1946 54 that that IN 28553 1946 55 the the DT 28553 1946 56 key key NN 28553 1946 57 can can MD 28553 1946 58 not not RB 28553 1946 59 be be VB 28553 1946 60 withdrawn withdraw VBN 28553 1946 61 unless unless IN 28553 1946 62 the the DT 28553 1946 63 box box NN 28553 1946 64 has have VBZ 28553 1946 65 been be VBN 28553 1946 66 locked lock VBN 28553 1946 67 . . . 28553 1947 1 ELECTRIC ELECTRIC NNP 28553 1947 2 TRAIN train NN 28553 1947 3 STAFF staff NN 28553 1947 4 AND and CC 28553 1947 5 TABLET TABLET NNP 28553 1947 6 SYSTEMS system NNS 28553 1947 7 . . . 28553 1948 1 These these DT 28553 1948 2 systems system NNS 28553 1948 3 of of IN 28553 1948 4 working work VBG 28553 1948 5 are be VBP 28553 1948 6 developments development NNS 28553 1948 7 of of IN 28553 1948 8 the the DT 28553 1948 9 last last JJ 28553 1948 10 mentioned mention VBN 28553 1948 11 , , , 28553 1948 12 by by IN 28553 1948 13 which which WDT 28553 1948 14 are be VBP 28553 1948 15 secured secure VBN 28553 1948 16 greater great JJR 28553 1948 17 safety safety NN 28553 1948 18 and and CC 28553 1948 19 ease ease NN 28553 1948 20 in in IN 28553 1948 21 working work VBG 28553 1948 22 the the DT 28553 1948 23 line line NN 28553 1948 24 . . . 28553 1949 1 On on IN 28553 1949 2 some some DT 28553 1949 3 sections section NNS 28553 1949 4 of of IN 28553 1949 5 single single JJ 28553 1949 6 line line NN 28553 1949 7 circumstances circumstance NNS 28553 1949 8 often often RB 28553 1949 9 necessitate necessitate VBP 28553 1949 10 the the DT 28553 1949 11 running running NN 28553 1949 12 of of IN 28553 1949 13 several several JJ 28553 1949 14 trains train NNS 28553 1949 15 in in IN 28553 1949 16 one one CD 28553 1949 17 direction direction NN 28553 1949 18 without without IN 28553 1949 19 a a DT 28553 1949 20 return return NN 28553 1949 21 train train NN 28553 1949 22 . . . 28553 1950 1 For for IN 28553 1950 2 such such JJ 28553 1950 3 cases case NNS 28553 1950 4 the the DT 28553 1950 5 train train NN 28553 1950 6 staff staff NN 28553 1950 7 ticket ticket NN 28553 1950 8 was be VBD 28553 1950 9 introduced introduce VBN 28553 1950 10 ; ; : 28553 1950 11 but but CC 28553 1950 12 even even RB 28553 1950 13 on on IN 28553 1950 14 the the DT 28553 1950 15 best well RBS 28553 1950 16 regulated regulated JJ 28553 1950 17 lines line NNS 28553 1950 18 it -PRON- PRP 28553 1950 19 is be VBZ 28553 1950 20 not not RB 28553 1950 21 always always RB 28553 1950 22 possible possible JJ 28553 1950 23 to to TO 28553 1950 24 secure secure VB 28553 1950 25 that that IN 28553 1950 26 the the DT 28553 1950 27 staff staff NN 28553 1950 28 shall shall MD 28553 1950 29 be be VB 28553 1950 30 at at IN 28553 1950 31 the the DT 28553 1950 32 station station NN 28553 1950 33 where where WRB 28553 1950 34 it -PRON- PRP 28553 1950 35 is be VBZ 28553 1950 36 required require VBN 28553 1950 37 at at IN 28553 1950 38 the the DT 28553 1950 39 right right JJ 28553 1950 40 time time NN 28553 1950 41 , , , 28553 1950 42 and and CC 28553 1950 43 cases case NNS 28553 1950 44 have have VBP 28553 1950 45 arisen arise VBN 28553 1950 46 where where WRB 28553 1950 47 , , , 28553 1950 48 no no DT 28553 1950 49 train train NN 28553 1950 50 being be VBG 28553 1950 51 available available JJ 28553 1950 52 at at IN 28553 1950 53 the the DT 28553 1950 54 station station NN 28553 1950 55 where where WRB 28553 1950 56 the the DT 28553 1950 57 staff staff NN 28553 1950 58 was be VBD 28553 1950 59 , , , 28553 1950 60 it -PRON- PRP 28553 1950 61 had have VBD 28553 1950 62 to to TO 28553 1950 63 be be VB 28553 1950 64 taken take VBN 28553 1950 65 to to IN 28553 1950 66 the the DT 28553 1950 67 other other JJ 28553 1950 68 station station NN 28553 1950 69 by by IN 28553 1950 70 a a DT 28553 1950 71 man man NN 28553 1950 72 on on IN 28553 1950 73 foot foot NN 28553 1950 74 , , , 28553 1950 75 causing cause VBG 28553 1950 76 much much JJ 28553 1950 77 delay delay NN 28553 1950 78 to to IN 28553 1950 79 traffic traffic NN 28553 1950 80 . . . 28553 1951 1 The the DT 28553 1951 2 electric electric JJ 28553 1951 3 train train NN 28553 1951 4 staff staff NN 28553 1951 5 and and CC 28553 1951 6 tablet tablet NN 28553 1951 7 systems system NNS 28553 1951 8 overcome overcome VBP 28553 1951 9 this this DT 28553 1951 10 difficulty difficulty NN 28553 1951 11 . . . 28553 1952 1 Both both DT 28553 1952 2 work work VBP 28553 1952 3 on on IN 28553 1952 4 much much RB 28553 1952 5 the the DT 28553 1952 6 same same JJ 28553 1952 7 principle principle NN 28553 1952 8 , , , 28553 1952 9 and and CC 28553 1952 10 we -PRON- PRP 28553 1952 11 will will MD 28553 1952 12 therefore therefore RB 28553 1952 13 describe describe VB 28553 1952 14 the the DT 28553 1952 15 former former JJ 28553 1952 16 . . . 28553 1953 1 [ [ -LRB- 28553 1953 2 Illustration illustration NN 28553 1953 3 : : : 28553 1953 4 FIG FIG NNP 28553 1953 5 . . . 28553 1954 1 101.--An 101.--an CD 28553 1954 2 electric electric JJ 28553 1954 3 train train NN 28553 1954 4 staff staff NN 28553 1954 5 holder holder NN 28553 1954 6 : : : 28553 1954 7 S S NNP 28553 1954 8 S S NNP 28553 1954 9 , , , 28553 1954 10 staffs staff NNS 28553 1954 11 in in IN 28553 1954 12 the the DT 28553 1954 13 slot slot NN 28553 1954 14 of of IN 28553 1954 15 the the DT 28553 1954 16 instrument instrument NN 28553 1954 17 . . . 28553 1955 1 Leaning lean VBG 28553 1955 2 against against IN 28553 1955 3 the the DT 28553 1955 4 side side NN 28553 1955 5 of of IN 28553 1955 6 the the DT 28553 1955 7 cabin cabin NN 28553 1955 8 is be VBZ 28553 1955 9 a a DT 28553 1955 10 staff staff NN 28553 1955 11 showing show VBG 28553 1955 12 the the DT 28553 1955 13 key key JJ 28553 1955 14 K k NN 28553 1955 15 at at IN 28553 1955 16 the the DT 28553 1955 17 end end NN 28553 1955 18 for for IN 28553 1955 19 unlocking unlock VBG 28553 1955 20 a a DT 28553 1955 21 siding side VBG 28553 1955 22 points point NNS 28553 1955 23 between between IN 28553 1955 24 two two CD 28553 1955 25 stations station NNS 28553 1955 26 . . . 28553 1956 1 The the DT 28553 1956 2 engine engine NN 28553 1956 3 driver driver NN 28553 1956 4 can can MD 28553 1956 5 not not RB 28553 1956 6 remove remove VB 28553 1956 7 the the DT 28553 1956 8 staff staff NN 28553 1956 9 until until IN 28553 1956 10 the the DT 28553 1956 11 points point NNS 28553 1956 12 have have VBP 28553 1956 13 been be VBN 28553 1956 14 locked lock VBN 28553 1956 15 again again RB 28553 1956 16 . . . 28553 1956 17 ] ] -RRB- 28553 1957 1 At at IN 28553 1957 2 each each DT 28553 1957 3 end end NN 28553 1957 4 of of IN 28553 1957 5 a a DT 28553 1957 6 block block NN 28553 1957 7 section section NN 28553 1957 8 a a DT 28553 1957 9 train train NN 28553 1957 10 staff staff NN 28553 1957 11 instrument instrument NN 28553 1957 12 ( ( -LRB- 28553 1957 13 Fig fig NN 28553 1957 14 . . . 28553 1958 1 101 101 CD 28553 1958 2 ) ) -RRB- 28553 1958 3 is be VBZ 28553 1958 4 provided provide VBN 28553 1958 5 . . . 28553 1959 1 In in IN 28553 1959 2 the the DT 28553 1959 3 base base NN 28553 1959 4 of of IN 28553 1959 5 these these DT 28553 1959 6 instruments instrument NNS 28553 1959 7 are be VBP 28553 1959 8 a a DT 28553 1959 9 number number NN 28553 1959 10 of of IN 28553 1959 11 train train NN 28553 1959 12 staffs staff NNS 28553 1959 13 , , , 28553 1959 14 any any DT 28553 1959 15 one one CD 28553 1959 16 of of IN 28553 1959 17 which which WDT 28553 1959 18 would would MD 28553 1959 19 be be VB 28553 1959 20 accepted accept VBN 28553 1959 21 by by IN 28553 1959 22 an an DT 28553 1959 23 engine engine NN 28553 1959 24 - - HYPH 28553 1959 25 driver driver NN 28553 1959 26 as as IN 28553 1959 27 permission permission NN 28553 1959 28 to to TO 28553 1959 29 travel travel VB 28553 1959 30 over over IN 28553 1959 31 the the DT 28553 1959 32 single single JJ 28553 1959 33 line line NN 28553 1959 34 . . . 28553 1960 1 The the DT 28553 1960 2 instruments instrument NNS 28553 1960 3 are be VBP 28553 1960 4 electrically electrically RB 28553 1960 5 connected connect VBN 28553 1960 6 , , , 28553 1960 7 the the DT 28553 1960 8 mechanism mechanism NN 28553 1960 9 securing secure VBG 28553 1960 10 that that IN 28553 1960 11 a a DT 28553 1960 12 staff staff NN 28553 1960 13 can can MD 28553 1960 14 be be VB 28553 1960 15 withdrawn withdraw VBN 28553 1960 16 only only RB 28553 1960 17 by by IN 28553 1960 18 the the DT 28553 1960 19 co co NN 28553 1960 20 - - NN 28553 1960 21 operation operation NN 28553 1960 22 of of IN 28553 1960 23 the the DT 28553 1960 24 signalman signalman NN 28553 1960 25 at at IN 28553 1960 26 each each DT 28553 1960 27 end end NN 28553 1960 28 of of IN 28553 1960 29 the the DT 28553 1960 30 section section NN 28553 1960 31 ; ; : 28553 1960 32 that that DT 28553 1960 33 , , , 28553 1960 34 when when WRB 28553 1960 35 _ _ NNP 28553 1960 36 all all DT 28553 1960 37 _ _ NNP 28553 1960 38 the the DT 28553 1960 39 staffs staff NNS 28553 1960 40 are be VBP 28553 1960 41 in in IN 28553 1960 42 the the DT 28553 1960 43 instruments instrument NNS 28553 1960 44 , , , 28553 1960 45 a a DT 28553 1960 46 staff staff NN 28553 1960 47 may may MD 28553 1960 48 be be VB 28553 1960 49 withdrawn withdraw VBN 28553 1960 50 at at IN 28553 1960 51 _ _ NNP 28553 1960 52 either either CC 28553 1960 53 _ _ NNP 28553 1960 54 end end NN 28553 1960 55 ; ; : 28553 1960 56 that that IN 28553 1960 57 , , , 28553 1960 58 when when WRB 28553 1960 59 a a DT 28553 1960 60 staff staff NN 28553 1960 61 has have VBZ 28553 1960 62 been be VBN 28553 1960 63 withdrawn withdraw VBN 28553 1960 64 , , , 28553 1960 65 another another DT 28553 1960 66 can can MD 28553 1960 67 not not RB 28553 1960 68 be be VB 28553 1960 69 obtained obtain VBN 28553 1960 70 until until IN 28553 1960 71 the the DT 28553 1960 72 one one NN 28553 1960 73 out out RB 28553 1960 74 has have VBZ 28553 1960 75 been be VBN 28553 1960 76 restored restore VBN 28553 1960 77 to to IN 28553 1960 78 one one CD 28553 1960 79 or or CC 28553 1960 80 other other JJ 28553 1960 81 of of IN 28553 1960 82 the the DT 28553 1960 83 instruments instrument NNS 28553 1960 84 . . . 28553 1961 1 The the DT 28553 1961 2 safety safety NN 28553 1961 3 of of IN 28553 1961 4 such such PDT 28553 1961 5 a a DT 28553 1961 6 system system NN 28553 1961 7 is be VBZ 28553 1961 8 obvious obvious JJ 28553 1961 9 , , , 28553 1961 10 as as IN 28553 1961 11 also also RB 28553 1961 12 the the DT 28553 1961 13 assistance assistance NN 28553 1961 14 to to IN 28553 1961 15 the the DT 28553 1961 16 working working NN 28553 1961 17 by by IN 28553 1961 18 having have VBG 28553 1961 19 a a DT 28553 1961 20 staff staff NN 28553 1961 21 available available JJ 28553 1961 22 for for IN 28553 1961 23 a a DT 28553 1961 24 train train NN 28553 1961 25 no no DT 28553 1961 26 matter matter NN 28553 1961 27 from from IN 28553 1961 28 which which WDT 28553 1961 29 end end NN 28553 1961 30 it -PRON- PRP 28553 1961 31 is be VBZ 28553 1961 32 to to TO 28553 1961 33 enter enter VB 28553 1961 34 the the DT 28553 1961 35 section section NN 28553 1961 36 . . . 28553 1962 1 The the DT 28553 1962 2 mechanism mechanism NN 28553 1962 3 of of IN 28553 1962 4 the the DT 28553 1962 5 instruments instrument NNS 28553 1962 6 is be VBZ 28553 1962 7 quite quite RB 28553 1962 8 simple simple JJ 28553 1962 9 . . . 28553 1963 1 A a DT 28553 1963 2 double double RB 28553 1963 3 - - HYPH 28553 1963 4 poled pole VBN 28553 1963 5 electro electro JJ 28553 1963 6 - - HYPH 28553 1963 7 magnet magnet NN 28553 1963 8 is be VBZ 28553 1963 9 energized energize VBN 28553 1963 10 by by IN 28553 1963 11 the the DT 28553 1963 12 depression depression NN 28553 1963 13 of of IN 28553 1963 14 a a DT 28553 1963 15 key key NN 28553 1963 16 by by IN 28553 1963 17 the the DT 28553 1963 18 signalman signalman NN 28553 1963 19 at at IN 28553 1963 20 the the DT 28553 1963 21 further further JJ 28553 1963 22 end end NN 28553 1963 23 of of IN 28553 1963 24 the the DT 28553 1963 25 block block NN 28553 1963 26 into into IN 28553 1963 27 which which WDT 28553 1963 28 the the DT 28553 1963 29 train train NN 28553 1963 30 is be VBZ 28553 1963 31 to to TO 28553 1963 32 run run VB 28553 1963 33 , , , 28553 1963 34 and and CC 28553 1963 35 by by IN 28553 1963 36 the the DT 28553 1963 37 turning turning NN 28553 1963 38 of of IN 28553 1963 39 a a DT 28553 1963 40 handle handle NN 28553 1963 41 by by IN 28553 1963 42 the the DT 28553 1963 43 signalman signalman NN 28553 1963 44 who who WP 28553 1963 45 requires require VBZ 28553 1963 46 to to TO 28553 1963 47 withdraw withdraw VB 28553 1963 48 a a DT 28553 1963 49 staff staff NN 28553 1963 50 . . . 28553 1964 1 The the DT 28553 1964 2 magnet magnet NN 28553 1964 3 , , , 28553 1964 4 being be VBG 28553 1964 5 energized energize VBN 28553 1964 6 , , , 28553 1964 7 is be VBZ 28553 1964 8 able able JJ 28553 1964 9 to to TO 28553 1964 10 lift lift VB 28553 1964 11 a a DT 28553 1964 12 mechanical mechanical JJ 28553 1964 13 lock lock NN 28553 1964 14 , , , 28553 1964 15 and and CC 28553 1964 16 permits permit VBZ 28553 1964 17 the the DT 28553 1964 18 withdrawal withdrawal NN 28553 1964 19 of of IN 28553 1964 20 a a DT 28553 1964 21 staff staff NN 28553 1964 22 . . . 28553 1965 1 In in IN 28553 1965 2 its -PRON- PRP$ 28553 1965 3 passage passage NN 28553 1965 4 through through IN 28553 1965 5 the the DT 28553 1965 6 instrument instrument NN 28553 1965 7 the the DT 28553 1965 8 staff staff NN 28553 1965 9 revolves revolve VBZ 28553 1965 10 a a DT 28553 1965 11 number number NN 28553 1965 12 of of IN 28553 1965 13 iron iron NN 28553 1965 14 discs disc NNS 28553 1965 15 , , , 28553 1965 16 which which WDT 28553 1965 17 in in IN 28553 1965 18 turn turn NN 28553 1965 19 raise raise NN 28553 1965 20 or or CC 28553 1965 21 lower lower VBP 28553 1965 22 a a DT 28553 1965 23 switch switch NN 28553 1965 24 controlling control VBG 28553 1965 25 the the DT 28553 1965 26 electrical electrical JJ 28553 1965 27 connections connection NNS 28553 1965 28 . . . 28553 1966 1 This this DT 28553 1966 2 causes cause VBZ 28553 1966 3 the the DT 28553 1966 4 electric electric JJ 28553 1966 5 currents current NNS 28553 1966 6 actuating actuate VBG 28553 1966 7 the the DT 28553 1966 8 electro electro NNP 28553 1966 9 - - HYPH 28553 1966 10 magnet magnet NN 28553 1966 11 to to TO 28553 1966 12 oppose oppose VB 28553 1966 13 each each DT 28553 1966 14 other other JJ 28553 1966 15 , , , 28553 1966 16 the the DT 28553 1966 17 magnetism magnetism NN 28553 1966 18 to to TO 28553 1966 19 cease cease VB 28553 1966 20 , , , 28553 1966 21 and and CC 28553 1966 22 the the DT 28553 1966 23 lock lock NN 28553 1966 24 to to TO 28553 1966 25 fall fall VB 28553 1966 26 back back RB 28553 1966 27 , , , 28553 1966 28 preventing prevent VBG 28553 1966 29 another another DT 28553 1966 30 staff staff NN 28553 1966 31 being be VBG 28553 1966 32 withdrawn withdraw VBN 28553 1966 33 . . . 28553 1967 1 It -PRON- PRP 28553 1967 2 will will MD 28553 1967 3 naturally naturally RB 28553 1967 4 be be VB 28553 1967 5 asked ask VBN 28553 1967 6 , , , 28553 1967 7 " " `` 28553 1967 8 How how WRB 28553 1967 9 is be VBZ 28553 1967 10 the the DT 28553 1967 11 electrical electrical JJ 28553 1967 12 system system NN 28553 1967 13 restored restore VBN 28553 1967 14 ? ? . 28553 1967 15 " " '' 28553 1968 1 We -PRON- PRP 28553 1968 2 have have VBP 28553 1968 3 said say VBN 28553 1968 4 that that IN 28553 1968 5 there there EX 28553 1968 6 were be VBD 28553 1968 7 a a DT 28553 1968 8 number number NN 28553 1968 9 of of IN 28553 1968 10 staffs staff NNS 28553 1968 11 in in IN 28553 1968 12 each each DT 28553 1968 13 instrument instrument NN 28553 1968 14 -- -- : 28553 1968 15 in in IN 28553 1968 16 other other JJ 28553 1968 17 words word NNS 28553 1968 18 , , , 28553 1968 19 a a DT 28553 1968 20 given give VBN 28553 1968 21 number number NN 28553 1968 22 of of IN 28553 1968 23 staffs staff NNS 28553 1968 24 , , , 28553 1968 25 usually usually RB 28553 1968 26 twenty twenty CD 28553 1968 27 , , , 28553 1968 28 is be VBZ 28553 1968 29 assigned assign VBN 28553 1968 30 to to IN 28553 1968 31 the the DT 28553 1968 32 section section NN 28553 1968 33 . . . 28553 1969 1 Assume assume VB 28553 1969 2 that that IN 28553 1969 3 there there EX 28553 1969 4 are be VBP 28553 1969 5 ten ten CD 28553 1969 6 in in IN 28553 1969 7 each each DT 28553 1969 8 instrument instrument NN 28553 1969 9 , , , 28553 1969 10 and and CC 28553 1969 11 that that IN 28553 1969 12 the the DT 28553 1969 13 switch switch NN 28553 1969 14 in in IN 28553 1969 15 each each DT 28553 1969 16 is be VBZ 28553 1969 17 in in IN 28553 1969 18 its -PRON- PRP$ 28553 1969 19 lower low JJR 28553 1969 20 position position NN 28553 1969 21 . . . 28553 1970 1 Now now RB 28553 1970 2 withdraw withdraw VB 28553 1970 3 a a DT 28553 1970 4 staff staff NN 28553 1970 5 , , , 28553 1970 6 and and CC 28553 1970 7 one one CD 28553 1970 8 instrument instrument NN 28553 1970 9 has have VBZ 28553 1970 10 an an DT 28553 1970 11 odd odd JJ 28553 1970 12 , , , 28553 1970 13 the the DT 28553 1970 14 other other JJ 28553 1970 15 an an DT 28553 1970 16 even even RB 28553 1970 17 , , , 28553 1970 18 number number NN 28553 1970 19 of of IN 28553 1970 20 staffs staff NNS 28553 1970 21 , , , 28553 1970 22 and and CC 28553 1970 23 similarly similarly RB 28553 1970 24 one one CD 28553 1970 25 switch switch NN 28553 1970 26 is be VBZ 28553 1970 27 raised raise VBN 28553 1970 28 while while IN 28553 1970 29 the the DT 28553 1970 30 other other JJ 28553 1970 31 remains remain NNS 28553 1970 32 lowered lower VBN 28553 1970 33 , , , 28553 1970 34 therefore therefore RB 28553 1970 35 the the DT 28553 1970 36 electrical electrical JJ 28553 1970 37 circuit circuit NN 28553 1970 38 is be VBZ 28553 1970 39 " " `` 28553 1970 40 out out IN 28553 1970 41 of of IN 28553 1970 42 phase"--that phase"--that NNP 28553 1970 43 is be VBZ 28553 1970 44 , , , 28553 1970 45 the the DT 28553 1970 46 currents current NNS 28553 1970 47 in in IN 28553 1970 48 the the DT 28553 1970 49 magnets magnet NNS 28553 1970 50 of of IN 28553 1970 51 each each DT 28553 1970 52 staff staff NN 28553 1970 53 instrument instrument NN 28553 1970 54 are be VBP 28553 1970 55 opposed oppose VBN 28553 1970 56 to to IN 28553 1970 57 one one CD 28553 1970 58 another another DT 28553 1970 59 , , , 28553 1970 60 and and CC 28553 1970 61 can can MD 28553 1970 62 not not RB 28553 1970 63 release release VB 28553 1970 64 the the DT 28553 1970 65 lock lock NN 28553 1970 66 . . . 28553 1971 1 The the DT 28553 1971 2 staff staff NN 28553 1971 3 travels travel VBZ 28553 1971 4 through through IN 28553 1971 5 the the DT 28553 1971 6 section section NN 28553 1971 7 and and CC 28553 1971 8 is be VBZ 28553 1971 9 placed place VBN 28553 1971 10 in in IN 28553 1971 11 the the DT 28553 1971 12 instrument instrument NN 28553 1971 13 at at IN 28553 1971 14 the the DT 28553 1971 15 other other JJ 28553 1971 16 end end NN 28553 1971 17 , , , 28553 1971 18 bringing bring VBG 28553 1971 19 the the DT 28553 1971 20 number number NN 28553 1971 21 of of IN 28553 1971 22 staffs staff NNS 28553 1971 23 to to IN 28553 1971 24 eleven eleven CD 28553 1971 25 -- -- : 28553 1971 26 an an DT 28553 1971 27 odd odd JJ 28553 1971 28 number number NN 28553 1971 29 , , , 28553 1971 30 and and CC 28553 1971 31 , , , 28553 1971 32 what what WP 28553 1971 33 is be VBZ 28553 1971 34 more more RBR 28553 1971 35 important important JJ 28553 1971 36 , , , 28553 1971 37 _ _ NNP 28553 1971 38 raising raise VBG 28553 1971 39 _ _ NNP 28553 1971 40 the the DT 28553 1971 41 switch switch NN 28553 1971 42 . . . 28553 1972 1 Both both DT 28553 1972 2 switches switch NNS 28553 1972 3 are be VBP 28553 1972 4 now now RB 28553 1972 5 raised raise VBN 28553 1972 6 , , , 28553 1972 7 consequently consequently RB 28553 1972 8 the the DT 28553 1972 9 electric electric JJ 28553 1972 10 currents current NNS 28553 1972 11 will will MD 28553 1972 12 support support VB 28553 1972 13 each each DT 28553 1972 14 other other JJ 28553 1972 15 , , , 28553 1972 16 so so IN 28553 1972 17 that that IN 28553 1972 18 a a DT 28553 1972 19 staff staff NN 28553 1972 20 may may MD 28553 1972 21 be be VB 28553 1972 22 withdrawn withdraw VBN 28553 1972 23 . . . 28553 1973 1 Briefly briefly RB 28553 1973 2 , , , 28553 1973 3 then then RB 28553 1973 4 , , , 28553 1973 5 when when WRB 28553 1973 6 there there EX 28553 1973 7 is be VBZ 28553 1973 8 an an DT 28553 1973 9 odd odd JJ 28553 1973 10 number number NN 28553 1973 11 of of IN 28553 1973 12 staffs staff NNS 28553 1973 13 in in IN 28553 1973 14 one one CD 28553 1973 15 instrument instrument NN 28553 1973 16 and and CC 28553 1973 17 an an DT 28553 1973 18 even even JJ 28553 1973 19 number number NN 28553 1973 20 in in IN 28553 1973 21 the the DT 28553 1973 22 other other JJ 28553 1973 23 , , , 28553 1973 24 as as IN 28553 1973 25 when when WRB 28553 1973 26 a a DT 28553 1973 27 staff staff NN 28553 1973 28 is be VBZ 28553 1973 29 in in IN 28553 1973 30 use use NN 28553 1973 31 , , , 28553 1973 32 the the DT 28553 1973 33 signalmen signalman NNS 28553 1973 34 are be VBP 28553 1973 35 unable unable JJ 28553 1973 36 to to TO 28553 1973 37 obtain obtain VB 28553 1973 38 a a DT 28553 1973 39 staff staff NN 28553 1973 40 , , , 28553 1973 41 and and CC 28553 1973 42 consequently consequently RB 28553 1973 43 can can MD 28553 1973 44 not not RB 28553 1973 45 give give VB 28553 1973 46 authority authority NN 28553 1973 47 for for IN 28553 1973 48 a a DT 28553 1973 49 train train NN 28553 1973 50 to to TO 28553 1973 51 enter enter VB 28553 1973 52 the the DT 28553 1973 53 section section NN 28553 1973 54 ; ; : 28553 1973 55 but but CC 28553 1973 56 when when WRB 28553 1973 57 there there EX 28553 1973 58 is be VBZ 28553 1973 59 either either CC 28553 1973 60 an an DT 28553 1973 61 odd odd JJ 28553 1973 62 or or CC 28553 1973 63 an an DT 28553 1973 64 even even JJ 28553 1973 65 number number NN 28553 1973 66 of of IN 28553 1973 67 staffs staff NNS 28553 1973 68 in in IN 28553 1973 69 each each DT 28553 1973 70 instrument instrument NN 28553 1973 71 a a DT 28553 1973 72 staff staff NN 28553 1973 73 may may MD 28553 1973 74 be be VB 28553 1973 75 withdrawn withdraw VBN 28553 1973 76 at at IN 28553 1973 77 either either DT 28553 1973 78 end end NN 28553 1973 79 on on IN 28553 1973 80 the the DT 28553 1973 81 co co NN 28553 1973 82 - - NN 28553 1973 83 operation operation NN 28553 1973 84 of of IN 28553 1973 85 the the DT 28553 1973 86 signalmen signalman NNS 28553 1973 87 . . . 28553 1974 1 We -PRON- PRP 28553 1974 2 may may MD 28553 1974 3 add add VB 28553 1974 4 that that DT 28553 1974 5 , , , 28553 1974 6 where where WRB 28553 1974 7 two two CD 28553 1974 8 instruments instrument NNS 28553 1974 9 are be VBP 28553 1974 10 in in IN 28553 1974 11 the the DT 28553 1974 12 same same JJ 28553 1974 13 signal signal NN 28553 1974 14 - - HYPH 28553 1974 15 box box NN 28553 1974 16 , , , 28553 1974 17 one one CD 28553 1974 18 for for IN 28553 1974 19 working work VBG 28553 1974 20 to to IN 28553 1974 21 the the DT 28553 1974 22 box box NN 28553 1974 23 in in IN 28553 1974 24 advance advance NN 28553 1974 25 , , , 28553 1974 26 the the DT 28553 1974 27 other other JJ 28553 1974 28 to to IN 28553 1974 29 the the DT 28553 1974 30 rear rear NN 28553 1974 31 , , , 28553 1974 32 it -PRON- PRP 28553 1974 33 is be VBZ 28553 1974 34 arranged arrange VBN 28553 1974 35 that that IN 28553 1974 36 the the DT 28553 1974 37 staffs staff NNS 28553 1974 38 pertaining pertain VBG 28553 1974 39 to to IN 28553 1974 40 one one CD 28553 1974 41 section section NN 28553 1974 42 shall shall MD 28553 1974 43 not not RB 28553 1974 44 fit fit VB 28553 1974 45 the the DT 28553 1974 46 instrument instrument NN 28553 1974 47 for for IN 28553 1974 48 the the DT 28553 1974 49 other other JJ 28553 1974 50 , , , 28553 1974 51 and and CC 28553 1974 52 must must MD 28553 1974 53 be be VB 28553 1974 54 of of IN 28553 1974 55 different different JJ 28553 1974 56 colours colour NNS 28553 1974 57 . . . 28553 1975 1 This this DT 28553 1975 2 prevents prevent VBZ 28553 1975 3 the the DT 28553 1975 4 driver driver NN 28553 1975 5 accidentally accidentally RB 28553 1975 6 accepting accept VBG 28553 1975 7 a a DT 28553 1975 8 staff staff NN 28553 1975 9 belonging belong VBG 28553 1975 10 to to IN 28553 1975 11 one one CD 28553 1975 12 section section NN 28553 1975 13 as as IN 28553 1975 14 authority authority NN 28553 1975 15 to to TO 28553 1975 16 travel travel VB 28553 1975 17 over over IN 28553 1975 18 the the DT 28553 1975 19 other other JJ 28553 1975 20 . . . 28553 1976 1 INTERLOCKING INTERLOCKING NNP 28553 1976 2 . . . 28553 1977 1 The the DT 28553 1977 2 remarks remark NNS 28553 1977 3 made make VBN 28553 1977 4 on on IN 28553 1977 5 the the DT 28553 1977 6 interlocking interlocking NN 28553 1977 7 of of IN 28553 1977 8 points point NNS 28553 1977 9 and and CC 28553 1977 10 signals signal NNS 28553 1977 11 on on IN 28553 1977 12 double double JJ 28553 1977 13 lines line NNS 28553 1977 14 apply apply VBP 28553 1977 15 also also RB 28553 1977 16 to to IN 28553 1977 17 the the DT 28553 1977 18 working working NN 28553 1977 19 of of IN 28553 1977 20 single single JJ 28553 1977 21 lines line NNS 28553 1977 22 , , , 28553 1977 23 with with IN 28553 1977 24 the the DT 28553 1977 25 addition addition NN 28553 1977 26 that that IN 28553 1977 27 not not RB 28553 1977 28 only only RB 28553 1977 29 are be VBP 28553 1977 30 the the DT 28553 1977 31 distant distant JJ 28553 1977 32 , , , 28553 1977 33 home home NN 28553 1977 34 , , , 28553 1977 35 and and CC 28553 1977 36 starting starting NN 28553 1977 37 signals signal NNS 28553 1977 38 interlocked interlock VBN 28553 1977 39 with with IN 28553 1977 40 each each DT 28553 1977 41 other other JJ 28553 1977 42 , , , 28553 1977 43 but but CC 28553 1977 44 with with IN 28553 1977 45 the the DT 28553 1977 46 signals signal NNS 28553 1977 47 and and CC 28553 1977 48 points point NNS 28553 1977 49 governing govern VBG 28553 1977 50 the the DT 28553 1977 51 approach approach NN 28553 1977 52 of of IN 28553 1977 53 a a DT 28553 1977 54 train train NN 28553 1977 55 from from IN 28553 1977 56 the the DT 28553 1977 57 opposite opposite JJ 28553 1977 58 direction direction NN 28553 1977 59 -- -- : 28553 1977 60 in in IN 28553 1977 61 other other JJ 28553 1977 62 words word NNS 28553 1977 63 , , , 28553 1977 64 the the DT 28553 1977 65 signals signal NNS 28553 1977 66 for for IN 28553 1977 67 the the DT 28553 1977 68 approach approach NN 28553 1977 69 of of IN 28553 1977 70 a a DT 28553 1977 71 train train NN 28553 1977 72 to to IN 28553 1977 73 a a DT 28553 1977 74 station station NN 28553 1977 75 from from IN 28553 1977 76 one one CD 28553 1977 77 direction direction NN 28553 1977 78 can can MD 28553 1977 79 not not RB 28553 1977 80 be be VB 28553 1977 81 lowered lower VBN 28553 1977 82 unless unless IN 28553 1977 83 those those DT 28553 1977 84 for for IN 28553 1977 85 the the DT 28553 1977 86 approach approach NN 28553 1977 87 to to IN 28553 1977 88 the the DT 28553 1977 89 station station NN 28553 1977 90 of of IN 28553 1977 91 a a DT 28553 1977 92 train train NN 28553 1977 93 from from IN 28553 1977 94 the the DT 28553 1977 95 opposite opposite JJ 28553 1977 96 direction direction NN 28553 1977 97 are be VBP 28553 1977 98 at at IN 28553 1977 99 danger danger NN 28553 1977 100 , , , 28553 1977 101 and and CC 28553 1977 102 the the DT 28553 1977 103 points point NNS 28553 1977 104 correctly correctly RB 28553 1977 105 set set VBN 28553 1977 106 . . . 28553 1978 1 SIGNALLING SIGNALLING NNP 28553 1978 2 OPERATIONS OPERATIONS NNP 28553 1978 3 . . . 28553 1979 1 In in IN 28553 1979 2 the the DT 28553 1979 3 working working NN 28553 1979 4 of of IN 28553 1979 5 single single JJ 28553 1979 6 lines line NNS 28553 1979 7 , , , 28553 1979 8 as as IN 28553 1979 9 of of IN 28553 1979 10 double double JJ 28553 1979 11 , , , 28553 1979 12 the the DT 28553 1979 13 signalman signalman NN 28553 1979 14 at at IN 28553 1979 15 the the DT 28553 1979 16 station station NN 28553 1979 17 from from IN 28553 1979 18 which which WDT 28553 1979 19 a a DT 28553 1979 20 train train NN 28553 1979 21 is be VBZ 28553 1979 22 to to TO 28553 1979 23 proceed proceed VB 28553 1979 24 has have VBZ 28553 1979 25 to to TO 28553 1979 26 obtain obtain VB 28553 1979 27 the the DT 28553 1979 28 consent consent NN 28553 1979 29 of of IN 28553 1979 30 the the DT 28553 1979 31 signalman signalman NN 28553 1979 32 ahead ahead RB 28553 1979 33 , , , 28553 1979 34 the the DT 28553 1979 35 series series NN 28553 1979 36 of of IN 28553 1979 37 questions question NNS 28553 1979 38 to to TO 28553 1979 39 be be VB 28553 1979 40 signalled signal VBN 28553 1979 41 being be VBG 28553 1979 42 very very RB 28553 1979 43 similar similar JJ 28553 1979 44 to to IN 28553 1979 45 those those DT 28553 1979 46 detailed detail VBN 28553 1979 47 for for IN 28553 1979 48 double double JJ 28553 1979 49 lines line NNS 28553 1979 50 . . . 28553 1980 1 There there EX 28553 1980 2 is be VBZ 28553 1980 3 , , , 28553 1980 4 however however RB 28553 1980 5 , , , 28553 1980 6 one one CD 28553 1980 7 notable notable JJ 28553 1980 8 exception exception NN 28553 1980 9 . . . 28553 1981 1 On on IN 28553 1981 2 long long JJ 28553 1981 3 lengths length NNS 28553 1981 4 of of IN 28553 1981 5 single single JJ 28553 1981 6 line line NN 28553 1981 7 it -PRON- PRP 28553 1981 8 is be VBZ 28553 1981 9 necessary necessary JJ 28553 1981 10 to to TO 28553 1981 11 make make VB 28553 1981 12 arrangements arrangement NNS 28553 1981 13 for for IN 28553 1981 14 trains train NNS 28553 1981 15 to to TO 28553 1981 16 pass pass VB 28553 1981 17 each each DT 28553 1981 18 other other JJ 28553 1981 19 . . . 28553 1982 1 This this DT 28553 1982 2 is be VBZ 28553 1982 3 done do VBN 28553 1982 4 by by IN 28553 1982 5 providing provide VBG 28553 1982 6 loop loop NN 28553 1982 7 lines line NNS 28553 1982 8 at at IN 28553 1982 9 intervals interval NNS 28553 1982 10 , , , 28553 1982 11 a a DT 28553 1982 12 second second JJ 28553 1982 13 pair pair NN 28553 1982 14 of of IN 28553 1982 15 rails rail NNS 28553 1982 16 being be VBG 28553 1982 17 laid lay VBN 28553 1982 18 for for IN 28553 1982 19 the the DT 28553 1982 20 accommodation accommodation NN 28553 1982 21 of of IN 28553 1982 22 one one CD 28553 1982 23 train train NN 28553 1982 24 while while IN 28553 1982 25 another another DT 28553 1982 26 in in IN 28553 1982 27 the the DT 28553 1982 28 opposite opposite JJ 28553 1982 29 direction direction NN 28553 1982 30 passes pass VBZ 28553 1982 31 it -PRON- PRP 28553 1982 32 . . . 28553 1983 1 To to TO 28553 1983 2 secure secure VB 28553 1983 3 that that IN 28553 1983 4 more more JJR 28553 1983 5 than than IN 28553 1983 6 one one CD 28553 1983 7 train train NN 28553 1983 8 shall shall MD 28553 1983 9 not not RB 28553 1983 10 be be VB 28553 1983 11 on on IN 28553 1983 12 a a DT 28553 1983 13 section section NN 28553 1983 14 of of IN 28553 1983 15 single single JJ 28553 1983 16 line line NN 28553 1983 17 between between IN 28553 1983 18 two two CD 28553 1983 19 crossing crossing NNS 28553 1983 20 - - HYPH 28553 1983 21 places place NNS 28553 1983 22 it -PRON- PRP 28553 1983 23 is be VBZ 28553 1983 24 laid lay VBN 28553 1983 25 down down RP 28553 1983 26 that that DT 28553 1983 27 , , , 28553 1983 28 when when WRB 28553 1983 29 a a DT 28553 1983 30 signalman signalman NN 28553 1983 31 at at IN 28553 1983 32 a a DT 28553 1983 33 non non JJ 28553 1983 34 - - JJ 28553 1983 35 crossing crossing JJ 28553 1983 36 station station NN 28553 1983 37 is be VBZ 28553 1983 38 asked ask VBN 28553 1983 39 to to TO 28553 1983 40 allow allow VB 28553 1983 41 a a DT 28553 1983 42 train train NN 28553 1983 43 to to TO 28553 1983 44 approach approach VB 28553 1983 45 his -PRON- PRP$ 28553 1983 46 station station NN 28553 1983 47 , , , 28553 1983 48 he -PRON- PRP 28553 1983 49 must must MD 28553 1983 50 not not RB 28553 1983 51 give give VB 28553 1983 52 permission permission NN 28553 1983 53 until until IN 28553 1983 54 he -PRON- PRP 28553 1983 55 has have VBZ 28553 1983 56 notified notify VBN 28553 1983 57 the the DT 28553 1983 58 signalman signalman NN 28553 1983 59 ahead ahead RB 28553 1983 60 of of IN 28553 1983 61 him -PRON- PRP 28553 1983 62 , , , 28553 1983 63 thus thus RB 28553 1983 64 securing secure VBG 28553 1983 65 that that IN 28553 1983 66 he -PRON- PRP 28553 1983 67 is be VBZ 28553 1983 68 not not RB 28553 1983 69 asking ask VBG 28553 1983 70 permission permission NN 28553 1983 71 for for IN 28553 1983 72 trains train NNS 28553 1983 73 to to TO 28553 1983 74 approach approach VB 28553 1983 75 from from IN 28553 1983 76 both both DT 28553 1983 77 directions direction NNS 28553 1983 78 at at IN 28553 1983 79 the the DT 28553 1983 80 same same JJ 28553 1983 81 time time NN 28553 1983 82 . . . 28553 1984 1 Both both DT 28553 1984 2 for for IN 28553 1984 3 single single JJ 28553 1984 4 and and CC 28553 1984 5 double double JJ 28553 1984 6 line line NN 28553 1984 7 working work VBG 28553 1984 8 a a DT 28553 1984 9 number number NN 28553 1984 10 of of IN 28553 1984 11 rules rule NNS 28553 1984 12 designed design VBN 28553 1984 13 to to TO 28553 1984 14 deal deal VB 28553 1984 15 with with IN 28553 1984 16 cases case NNS 28553 1984 17 of of IN 28553 1984 18 emergency emergency NN 28553 1984 19 are be VBP 28553 1984 20 laid lay VBN 28553 1984 21 down down RP 28553 1984 22 , , , 28553 1984 23 the the DT 28553 1984 24 guiding guide VBG 28553 1984 25 principle principle NN 28553 1984 26 being be VBG 28553 1984 27 safety safety NN 28553 1984 28 ; ; : 28553 1984 29 but but CC 28553 1984 30 we -PRON- PRP 28553 1984 31 have have VBP 28553 1984 32 now now RB 28553 1984 33 dealt deal VBN 28553 1984 34 with with IN 28553 1984 35 all all PDT 28553 1984 36 the the DT 28553 1984 37 conditions condition NNS 28553 1984 38 of of IN 28553 1984 39 everyday everyday NN 28553 1984 40 working working NN 28553 1984 41 , , , 28553 1984 42 and and CC 28553 1984 43 must must MD 28553 1984 44 pass pass VB 28553 1984 45 to to IN 28553 1984 46 the the DT 28553 1984 47 consideration consideration NN 28553 1984 48 of of IN 28553 1984 49 [ [ -LRB- 28553 1984 50 Illustration illustration NN 28553 1984 51 : : : 28553 1984 52 FIG FIG NNP 28553 1984 53 . . . 28553 1985 1 102.--An 102.--an CD 28553 1985 2 electric electric JJ 28553 1985 3 lever lever NN 28553 1985 4 - - HYPH 28553 1985 5 frame frame NN 28553 1985 6 in in IN 28553 1985 7 a a DT 28553 1985 8 signalling signalling NN 28553 1985 9 cabin cabin NN 28553 1985 10 at at IN 28553 1985 11 Didcot Didcot NNP 28553 1985 12 . . . 28553 1985 13 ] ] -RRB- 28553 1986 1 " " `` 28553 1986 2 POWER POWER NNS 28553 1986 3 " " '' 28553 1986 4 SIGNALLING signal VBG 28553 1986 5 . . . 28553 1987 1 In in IN 28553 1987 2 a a DT 28553 1987 3 power power NN 28553 1987 4 system system NN 28553 1987 5 of of IN 28553 1987 6 signalling signal VBG 28553 1987 7 the the DT 28553 1987 8 signalman signalman NN 28553 1987 9 is be VBZ 28553 1987 10 provided provide VBN 28553 1987 11 with with IN 28553 1987 12 some some DT 28553 1987 13 auxiliary auxiliary JJ 28553 1987 14 means mean NNS 28553 1987 15 -- -- : 28553 1987 16 electricity electricity NN 28553 1987 17 , , , 28553 1987 18 compressed compress VBN 28553 1987 19 air air NN 28553 1987 20 , , , 28553 1987 21 etc.--of etc.--of NNP 28553 1987 22 moving move VBG 28553 1987 23 the the DT 28553 1987 24 signals signal NNS 28553 1987 25 or or CC 28553 1987 26 points point NNS 28553 1987 27 under under IN 28553 1987 28 his -PRON- PRP$ 28553 1987 29 control control NN 28553 1987 30 . . . 28553 1988 1 It -PRON- PRP 28553 1988 2 is be VBZ 28553 1988 3 still still RB 28553 1988 4 necessary necessary JJ 28553 1988 5 to to TO 28553 1988 6 have have VB 28553 1988 7 a a DT 28553 1988 8 locking lock VBG 28553 1988 9 - - HYPH 28553 1988 10 frame frame NN 28553 1988 11 in in IN 28553 1988 12 the the DT 28553 1988 13 signal signal NN 28553 1988 14 - - HYPH 28553 1988 15 box box NN 28553 1988 16 , , , 28553 1988 17 with with IN 28553 1988 18 levers lever NNS 28553 1988 19 interlocked interlock VBN 28553 1988 20 with with IN 28553 1988 21 each each DT 28553 1988 22 other other JJ 28553 1988 23 , , , 28553 1988 24 and and CC 28553 1988 25 connections connection NNS 28553 1988 26 between between IN 28553 1988 27 the the DT 28553 1988 28 box box NN 28553 1988 29 and and CC 28553 1988 30 the the DT 28553 1988 31 various various JJ 28553 1988 32 points point NNS 28553 1988 33 and and CC 28553 1988 34 signals signal NNS 28553 1988 35 . . . 28553 1989 1 But but CC 28553 1989 2 the the DT 28553 1989 3 frame frame NN 28553 1989 4 is be VBZ 28553 1989 5 much much RB 28553 1989 6 smaller small JJR 28553 1989 7 than than IN 28553 1989 8 an an DT 28553 1989 9 ordinary ordinary JJ 28553 1989 10 manual manual JJ 28553 1989 11 frame frame NN 28553 1989 12 , , , 28553 1989 13 and and CC 28553 1989 14 but but CC 28553 1989 15 little little JJ 28553 1989 16 force force NN 28553 1989 17 is be VBZ 28553 1989 18 needed need VBN 28553 1989 19 to to TO 28553 1989 20 move move VB 28553 1989 21 the the DT 28553 1989 22 little little JJ 28553 1989 23 levers lever NNS 28553 1989 24 which which WDT 28553 1989 25 make make VBP 28553 1989 26 or or CC 28553 1989 27 break break VB 28553 1989 28 an an DT 28553 1989 29 electric electric JJ 28553 1989 30 circuit circuit NN 28553 1989 31 , , , 28553 1989 32 or or CC 28553 1989 33 open open VB 28553 1989 34 an an DT 28553 1989 35 air air NN 28553 1989 36 - - HYPH 28553 1989 37 valve valve NN 28553 1989 38 , , , 28553 1989 39 according accord VBG 28553 1989 40 to to IN 28553 1989 41 the the DT 28553 1989 42 power power NN 28553 1989 43 - - HYPH 28553 1989 44 agent agent NN 28553 1989 45 used use VBD 28553 1989 46 . . . 28553 1990 1 ELECTRIC electric NN 28553 1990 2 SIGNALLING signalling NN 28553 1990 3 . . . 28553 1991 1 Fig fig NN 28553 1991 2 . . . 28553 1992 1 102 102 CD 28553 1992 2 represents represent VBZ 28553 1992 3 the the DT 28553 1992 4 locking lock VBG 28553 1992 5 - - HYPH 28553 1992 6 frame frame NN 28553 1992 7 of of IN 28553 1992 8 a a DT 28553 1992 9 cabin cabin NN 28553 1992 10 at at IN 28553 1992 11 Didcot Didcot NNP 28553 1992 12 , , , 28553 1992 13 England England NNP 28553 1992 14 , , , 28553 1992 15 where where WRB 28553 1992 16 an an DT 28553 1992 17 all all RB 28553 1992 18 - - HYPH 28553 1992 19 electric electric JJ 28553 1992 20 system system NN 28553 1992 21 has have VBZ 28553 1992 22 been be VBN 28553 1992 23 installed instal VBN 28553 1992 24 . . . 28553 1993 1 Wires wire NNS 28553 1993 2 lead lead VBP 28553 1993 3 from from IN 28553 1993 4 the the DT 28553 1993 5 cabin cabin NN 28553 1993 6 to to IN 28553 1993 7 motors motor NNS 28553 1993 8 situated situate VBN 28553 1993 9 at at IN 28553 1993 10 the the DT 28553 1993 11 points point NNS 28553 1993 12 and and CC 28553 1993 13 signals signal NNS 28553 1993 14 , , , 28553 1993 15 which which WDT 28553 1993 16 they -PRON- PRP 28553 1993 17 operate operate VBP 28553 1993 18 through through IN 28553 1993 19 worm worm NN 28553 1993 20 gearing gearing NN 28553 1993 21 . . . 28553 1994 1 When when WRB 28553 1994 2 a a DT 28553 1994 3 lever lever NN 28553 1994 4 is be VBZ 28553 1994 5 moved move VBN 28553 1994 6 it -PRON- PRP 28553 1994 7 closes close VBZ 28553 1994 8 a a DT 28553 1994 9 circuit circuit NN 28553 1994 10 and and CC 28553 1994 11 sets set VBZ 28553 1994 12 the the DT 28553 1994 13 current current NN 28553 1994 14 flowing flow VBG 28553 1994 15 through through IN 28553 1994 16 a a DT 28553 1994 17 motor motor NN 28553 1994 18 , , , 28553 1994 19 the the DT 28553 1994 20 direction direction NN 28553 1994 21 of of IN 28553 1994 22 the the DT 28553 1994 23 flow flow NN 28553 1994 24 ( ( -LRB- 28553 1994 25 and and CC 28553 1994 26 consequently consequently RB 28553 1994 27 of of IN 28553 1994 28 the the DT 28553 1994 29 motor motor NN 28553 1994 30 's 's POS 28553 1994 31 revolution revolution NN 28553 1994 32 ) ) -RRB- 28553 1994 33 depending depend VBG 28553 1994 34 on on IN 28553 1994 35 whether whether IN 28553 1994 36 the the DT 28553 1994 37 lever lever NN 28553 1994 38 has have VBZ 28553 1994 39 been be VBN 28553 1994 40 moved move VBN 28553 1994 41 forward forward RB 28553 1994 42 or or CC 28553 1994 43 backward backward RB 28553 1994 44 . . . 28553 1995 1 Indicators indicator NNS 28553 1995 2 arranged arrange VBD 28553 1995 3 under under IN 28553 1995 4 the the DT 28553 1995 5 levers lever NNS 28553 1995 6 tell tell VBP 28553 1995 7 the the DT 28553 1995 8 signalman signalman NN 28553 1995 9 when when WRB 28553 1995 10 the the DT 28553 1995 11 desired desire VBN 28553 1995 12 movements movement NNS 28553 1995 13 at at IN 28553 1995 14 the the DT 28553 1995 15 points point NNS 28553 1995 16 and and CC 28553 1995 17 signals signal NNS 28553 1995 18 have have VBP 28553 1995 19 been be VBN 28553 1995 20 completed complete VBN 28553 1995 21 . . . 28553 1996 1 If if IN 28553 1996 2 any any DT 28553 1996 3 motion motion NN 28553 1996 4 is be VBZ 28553 1996 5 not not RB 28553 1996 6 carried carry VBN 28553 1996 7 through through RB 28553 1996 8 , , , 28553 1996 9 owing owe VBG 28553 1996 10 to to IN 28553 1996 11 failure failure NN 28553 1996 12 of of IN 28553 1996 13 the the DT 28553 1996 14 current current JJ 28553 1996 15 or or CC 28553 1996 16 obstruction obstruction NN 28553 1996 17 of of IN 28553 1996 18 the the DT 28553 1996 19 working work VBG 28553 1996 20 parts part NNS 28553 1996 21 , , , 28553 1996 22 an an DT 28553 1996 23 electric electric JJ 28553 1996 24 lock lock NN 28553 1996 25 prevents prevent VBZ 28553 1996 26 him -PRON- PRP 28553 1996 27 continuing continue VBG 28553 1996 28 operations operation NNS 28553 1996 29 . . . 28553 1997 1 Thus thus RB 28553 1997 2 , , , 28553 1997 3 suppose suppose VB 28553 1997 4 he -PRON- PRP 28553 1997 5 has have VBZ 28553 1997 6 to to TO 28553 1997 7 open open VB 28553 1997 8 the the DT 28553 1997 9 main main JJ 28553 1997 10 line line NN 28553 1997 11 to to IN 28553 1997 12 an an DT 28553 1997 13 express express NN 28553 1997 14 , , , 28553 1997 15 he -PRON- PRP 28553 1997 16 is be VBZ 28553 1997 17 obliged oblige VBN 28553 1997 18 by by IN 28553 1997 19 the the DT 28553 1997 20 mechanical mechanical JJ 28553 1997 21 locking locking NN 28553 1997 22 - - HYPH 28553 1997 23 frame frame NN 28553 1997 24 to to TO 28553 1997 25 set set VB 28553 1997 26 all all PDT 28553 1997 27 the the DT 28553 1997 28 points point NNS 28553 1997 29 correctly correctly RB 28553 1997 30 before before IN 28553 1997 31 the the DT 28553 1997 32 signals signal NNS 28553 1997 33 can can MD 28553 1997 34 be be VB 28553 1997 35 lowered lower VBN 28553 1997 36 . . . 28553 1998 1 He -PRON- PRP 28553 1998 2 might may MD 28553 1998 3 move move VB 28553 1998 4 all all PDT 28553 1998 5 the the DT 28553 1998 6 necessary necessary JJ 28553 1998 7 levers lever NNS 28553 1998 8 in in IN 28553 1998 9 due due JJ 28553 1998 10 order order NN 28553 1998 11 , , , 28553 1998 12 yet yet RB 28553 1998 13 one one CD 28553 1998 14 set set NN 28553 1998 15 of of IN 28553 1998 16 points point NNS 28553 1998 17 might may MD 28553 1998 18 remain remain VB 28553 1998 19 open open JJ 28553 1998 20 , , , 28553 1998 21 and and CC 28553 1998 22 , , , 28553 1998 23 were be VBD 28553 1998 24 the the DT 28553 1998 25 signals signal NNS 28553 1998 26 lowered lower VBN 28553 1998 27 , , , 28553 1998 28 an an DT 28553 1998 29 accident accident NN 28553 1998 30 would would MD 28553 1998 31 result result VB 28553 1998 32 . . . 28553 1999 1 But but CC 28553 1999 2 this this DT 28553 1999 3 can can MD 28553 1999 4 not not RB 28553 1999 5 happen happen VB 28553 1999 6 , , , 28553 1999 7 as as IN 28553 1999 8 the the DT 28553 1999 9 electric electric JJ 28553 1999 10 locks lock NNS 28553 1999 11 worked work VBN 28553 1999 12 by by IN 28553 1999 13 the the DT 28553 1999 14 points point NNS 28553 1999 15 in in IN 28553 1999 16 question question NN 28553 1999 17 block block VB 28553 1999 18 the the DT 28553 1999 19 signal signal NN 28553 1999 20 levers lever NNS 28553 1999 21 , , , 28553 1999 22 and and CC 28553 1999 23 until until IN 28553 1999 24 the the DT 28553 1999 25 failure failure NN 28553 1999 26 has have VBZ 28553 1999 27 been be VBN 28553 1999 28 set set VBN 28553 1999 29 right right JJ 28553 1999 30 , , , 28553 1999 31 the the DT 28553 1999 32 signals signal NNS 28553 1999 33 must must MD 28553 1999 34 remain remain VB 28553 1999 35 at at IN 28553 1999 36 " " `` 28553 1999 37 danger danger NN 28553 1999 38 . . . 28553 1999 39 " " '' 28553 2000 1 The the DT 28553 2000 2 point point NN 28553 2000 3 motors motor NNS 28553 2000 4 are be VBP 28553 2000 5 connected connect VBN 28553 2000 6 direct direct RB 28553 2000 7 to to IN 28553 2000 8 the the DT 28553 2000 9 points point NNS 28553 2000 10 ; ; : 28553 2000 11 but but CC 28553 2000 12 between between IN 28553 2000 13 a a DT 28553 2000 14 signal signal JJ 28553 2000 15 motor motor NN 28553 2000 16 and and CC 28553 2000 17 its -PRON- PRP$ 28553 2000 18 arm arm NN 28553 2000 19 there there EX 28553 2000 20 is be VBZ 28553 2000 21 an an DT 28553 2000 22 " " `` 28553 2000 23 electric electric JJ 28553 2000 24 slot slot NN 28553 2000 25 , , , 28553 2000 26 " " '' 28553 2000 27 consisting consist VBG 28553 2000 28 of of IN 28553 2000 29 a a DT 28553 2000 30 powerful powerful JJ 28553 2000 31 electro electro JJ 28553 2000 32 - - HYPH 28553 2000 33 magnet magnet NN 28553 2000 34 which which WDT 28553 2000 35 forms form VBZ 28553 2000 36 a a DT 28553 2000 37 link link NN 28553 2000 38 in in IN 28553 2000 39 the the DT 28553 2000 40 rod rod NN 28553 2000 41 work work NN 28553 2000 42 . . . 28553 2001 1 To to TO 28553 2001 2 lower lower VB 28553 2001 3 a a DT 28553 2001 4 signal signal NN 28553 2001 5 it -PRON- PRP 28553 2001 6 is be VBZ 28553 2001 7 necessary necessary JJ 28553 2001 8 that that IN 28553 2001 9 the the DT 28553 2001 10 motor motor NN 28553 2001 11 shall shall MD 28553 2001 12 revolve revolve VB 28553 2001 13 and and CC 28553 2001 14 a a DT 28553 2001 15 control control NN 28553 2001 16 current current JJ 28553 2001 17 pass pass NN 28553 2001 18 round round IN 28553 2001 19 the the DT 28553 2001 20 magnet magnet NN 28553 2001 21 to to TO 28553 2001 22 give give VB 28553 2001 23 it -PRON- PRP 28553 2001 24 the the DT 28553 2001 25 requisite requisite JJ 28553 2001 26 attractive attractive JJ 28553 2001 27 force force NN 28553 2001 28 . . . 28553 2002 1 If if IN 28553 2002 2 no no DT 28553 2002 3 control control NN 28553 2002 4 current current JJ 28553 2002 5 flows flow NNS 28553 2002 6 , , , 28553 2002 7 as as IN 28553 2002 8 would would MD 28553 2002 9 happen happen VB 28553 2002 10 were be VBD 28553 2002 11 any any DT 28553 2002 12 pair pair NN 28553 2002 13 of of IN 28553 2002 14 points point NNS 28553 2002 15 not not RB 28553 2002 16 in in IN 28553 2002 17 their -PRON- PRP$ 28553 2002 18 proper proper JJ 28553 2002 19 position position NN 28553 2002 20 , , , 28553 2002 21 the the DT 28553 2002 22 motor motor NN 28553 2002 23 can can MD 28553 2002 24 have have VB 28553 2002 25 no no DT 28553 2002 26 effect effect NN 28553 2002 27 on on IN 28553 2002 28 the the DT 28553 2002 29 signal signal JJ 28553 2002 30 arm arm NN 28553 2002 31 to to TO 28553 2002 32 lower lower VB 28553 2002 33 it -PRON- PRP 28553 2002 34 , , , 28553 2002 35 owing owe VBG 28553 2002 36 to to IN 28553 2002 37 the the DT 28553 2002 38 magnet magnet NN 28553 2002 39 letting let VBG 28553 2002 40 go go VB 28553 2002 41 its -PRON- PRP$ 28553 2002 42 grip grip NN 28553 2002 43 . . . 28553 2003 1 Furthermore furthermore RB 28553 2003 2 , , , 28553 2003 3 if if IN 28553 2003 4 the the DT 28553 2003 5 signal signal NN 28553 2003 6 had have VBD 28553 2003 7 been be VBN 28553 2003 8 already already RB 28553 2003 9 lowered lower VBN 28553 2003 10 when when WRB 28553 2003 11 the the DT 28553 2003 12 control control NN 28553 2003 13 current current NN 28553 2003 14 failed fail VBD 28553 2003 15 , , , 28553 2003 16 it -PRON- PRP 28553 2003 17 would would MD 28553 2003 18 rise rise VB 28553 2003 19 to to IN 28553 2003 20 " " `` 28553 2003 21 danger danger NN 28553 2003 22 " " '' 28553 2003 23 automatically automatically RB 28553 2003 24 , , , 28553 2003 25 as as IN 28553 2003 26 all all DT 28553 2003 27 signals signal NNS 28553 2003 28 are be VBP 28553 2003 29 weighted weight VBN 28553 2003 30 to to TO 28553 2003 31 assume assume VB 28553 2003 32 the the DT 28553 2003 33 danger danger NN 28553 2003 34 position position NN 28553 2003 35 by by IN 28553 2003 36 gravity gravity NN 28553 2003 37 . . . 28553 2004 1 The the DT 28553 2004 2 signal signal NN 28553 2004 3 control control NN 28553 2004 4 currents current NNS 28553 2004 5 can can MD 28553 2004 6 be be VB 28553 2004 7 broken break VBN 28553 2004 8 by by IN 28553 2004 9 the the DT 28553 2004 10 signalman signalman NN 28553 2004 11 moving move VBG 28553 2004 12 a a DT 28553 2004 13 switch switch NN 28553 2004 14 , , , 28553 2004 15 so so IN 28553 2004 16 that that IN 28553 2004 17 in in IN 28553 2004 18 case case NN 28553 2004 19 of of IN 28553 2004 20 emergency emergency NN 28553 2004 21 all all DT 28553 2004 22 signals signal NNS 28553 2004 23 may may MD 28553 2004 24 be be VB 28553 2004 25 thrown throw VBN 28553 2004 26 simultaneously simultaneously RB 28553 2004 27 to to IN 28553 2004 28 danger danger NN 28553 2004 29 . . . 28553 2005 1 PNEUMATIC pneumatic JJ 28553 2005 2 SIGNALLING SIGNALLING NNP 28553 2005 3 . . . 28553 2006 1 In in IN 28553 2006 2 England England NNP 28553 2006 3 and and CC 28553 2006 4 the the DT 28553 2006 5 United United NNP 28553 2006 6 States States NNP 28553 2006 7 compressed compress VBD 28553 2006 8 air air NN 28553 2006 9 is be VBZ 28553 2006 10 also also RB 28553 2006 11 used use VBN 28553 2006 12 to to TO 28553 2006 13 do do VB 28553 2006 14 the the DT 28553 2006 15 hard hard JJ 28553 2006 16 labour labour NN 28553 2006 17 of of IN 28553 2006 18 the the DT 28553 2006 19 signalman signalman NN 28553 2006 20 for for IN 28553 2006 21 him -PRON- PRP 28553 2006 22 . . . 28553 2007 1 Instead instead RB 28553 2007 2 of of IN 28553 2007 3 closing close VBG 28553 2007 4 a a DT 28553 2007 5 circuit circuit NN 28553 2007 6 , , , 28553 2007 7 the the DT 28553 2007 8 signalman signalman NN 28553 2007 9 , , , 28553 2007 10 by by IN 28553 2007 11 moving move VBG 28553 2007 12 a a DT 28553 2007 13 lever lever NN 28553 2007 14 half half JJ 28553 2007 15 - - HYPH 28553 2007 16 way way NN 28553 2007 17 over over RB 28553 2007 18 , , , 28553 2007 19 admits admit VBZ 28553 2007 20 air air NN 28553 2007 21 to to IN 28553 2007 22 a a DT 28553 2007 23 pipe pipe NN 28553 2007 24 running run VBG 28553 2007 25 along along IN 28553 2007 26 the the DT 28553 2007 27 track track NN 28553 2007 28 to to IN 28553 2007 29 an an DT 28553 2007 30 air air NN 28553 2007 31 reservoir reservoir NN 28553 2007 32 placed place VBN 28553 2007 33 beside beside IN 28553 2007 34 the the DT 28553 2007 35 points point NNS 28553 2007 36 or or CC 28553 2007 37 signal signal NN 28553 2007 38 to to TO 28553 2007 39 which which WDT 28553 2007 40 the the DT 28553 2007 41 lever lever NN 28553 2007 42 relates relate VBZ 28553 2007 43 . . . 28553 2008 1 The the DT 28553 2008 2 air air NN 28553 2008 3 opens open VBZ 28553 2008 4 a a DT 28553 2008 5 valve valve NN 28553 2008 6 and and CC 28553 2008 7 puts put VBZ 28553 2008 8 the the DT 28553 2008 9 reservoir reservoir NN 28553 2008 10 in in IN 28553 2008 11 connection connection NN 28553 2008 12 with with IN 28553 2008 13 a a DT 28553 2008 14 piston piston NN 28553 2008 15 operating operate VBG 28553 2008 16 the the DT 28553 2008 17 points point NNS 28553 2008 18 or or CC 28553 2008 19 signal signal NN 28553 2008 20 - - HYPH 28553 2008 21 arm arm NN 28553 2008 22 , , , 28553 2008 23 as as IN 28553 2008 24 the the DT 28553 2008 25 case case NN 28553 2008 26 may may MD 28553 2008 27 be be VB 28553 2008 28 . . . 28553 2009 1 This this DT 28553 2009 2 movement movement NN 28553 2009 3 having have VBG 28553 2009 4 been be VBN 28553 2009 5 performed perform VBN 28553 2009 6 , , , 28553 2009 7 another another DT 28553 2009 8 valve valve NN 28553 2009 9 in in IN 28553 2009 10 the the DT 28553 2009 11 reservoir reservoir NN 28553 2009 12 is be VBZ 28553 2009 13 opened open VBN 28553 2009 14 , , , 28553 2009 15 and and CC 28553 2009 16 air air NN 28553 2009 17 passes pass VBZ 28553 2009 18 back back RB 28553 2009 19 through through IN 28553 2009 20 a a DT 28553 2009 21 second second JJ 28553 2009 22 pipe pipe NN 28553 2009 23 to to IN 28553 2009 24 the the DT 28553 2009 25 signal signal NN 28553 2009 26 - - HYPH 28553 2009 27 box box NN 28553 2009 28 , , , 28553 2009 29 where where WRB 28553 2009 30 it -PRON- PRP 28553 2009 31 opens open VBZ 28553 2009 32 a a DT 28553 2009 33 third third JJ 28553 2009 34 valve valve NN 28553 2009 35 controlling control VBG 28553 2009 36 a a DT 28553 2009 37 piston piston NN 28553 2009 38 which which WDT 28553 2009 39 completes complete VBZ 28553 2009 40 the the DT 28553 2009 41 movement movement NN 28553 2009 42 of of IN 28553 2009 43 the the DT 28553 2009 44 lever lever NN 28553 2009 45 , , , 28553 2009 46 so so CC 28553 2009 47 showing show VBG 28553 2009 48 the the DT 28553 2009 49 signalman signalman NN 28553 2009 50 that that IN 28553 2009 51 the the DT 28553 2009 52 operation operation NN 28553 2009 53 is be VBZ 28553 2009 54 complete complete JJ 28553 2009 55 . . . 28553 2010 1 With with IN 28553 2010 2 compressed compress VBN 28553 2010 3 air air NN 28553 2010 4 , , , 28553 2010 5 as as IN 28553 2010 6 with with IN 28553 2010 7 electricity electricity NN 28553 2010 8 , , , 28553 2010 9 a a DT 28553 2010 10 mechanical mechanical JJ 28553 2010 11 locking lock VBG 28553 2010 12 - - HYPH 28553 2010 13 frame frame NN 28553 2010 14 is be VBZ 28553 2010 15 of of IN 28553 2010 16 course course NN 28553 2010 17 used use VBN 28553 2010 18 . . . 28553 2011 1 AUTOMATIC automatic JJ 28553 2011 2 SIGNALLING SIGNALLING NNP 28553 2011 3 . . . 28553 2012 1 To to TO 28553 2012 2 reduce reduce VB 28553 2012 3 expense expense NN 28553 2012 4 , , , 28553 2012 5 and and CC 28553 2012 6 increase increase VB 28553 2012 7 the the DT 28553 2012 8 running run VBG 28553 2012 9 speed speed NN 28553 2012 10 on on IN 28553 2012 11 lines line NNS 28553 2012 12 where where WRB 28553 2012 13 the the DT 28553 2012 14 sections section NNS 28553 2012 15 are be VBP 28553 2012 16 short short JJ 28553 2012 17 , , , 28553 2012 18 the the DT 28553 2012 19 train train NN 28553 2012 20 is be VBZ 28553 2012 21 sometimes sometimes RB 28553 2012 22 made make VBN 28553 2012 23 to to TO 28553 2012 24 act act VB 28553 2012 25 as as IN 28553 2012 26 its -PRON- PRP$ 28553 2012 27 own own JJ 28553 2012 28 signalman signalman NN 28553 2012 29 . . . 28553 2013 1 The the DT 28553 2013 2 rails rail NNS 28553 2013 3 of of IN 28553 2013 4 each each DT 28553 2013 5 section section NN 28553 2013 6 are be VBP 28553 2013 7 all all DT 28553 2013 8 bonded bond VBN 28553 2013 9 together together RB 28553 2013 10 so so IN 28553 2013 11 as as IN 28553 2013 12 to to TO 28553 2013 13 be be VB 28553 2013 14 in in IN 28553 2013 15 metallic metallic JJ 28553 2013 16 contact contact NN 28553 2013 17 , , , 28553 2013 18 and and CC 28553 2013 19 each each DT 28553 2013 20 section section NN 28553 2013 21 is be VBZ 28553 2013 22 insulated insulate VBN 28553 2013 23 from from IN 28553 2013 24 the the DT 28553 2013 25 two two CD 28553 2013 26 neighbouring neighbouring NN 28553 2013 27 sections section NNS 28553 2013 28 . . . 28553 2014 1 At at IN 28553 2014 2 the the DT 28553 2014 3 further further JJ 28553 2014 4 end end NN 28553 2014 5 of of IN 28553 2014 6 a a DT 28553 2014 7 section section NN 28553 2014 8 is be VBZ 28553 2014 9 installed instal VBN 28553 2014 10 an an DT 28553 2014 11 electric electric JJ 28553 2014 12 battery battery NN 28553 2014 13 , , , 28553 2014 14 connected connect VBN 28553 2014 15 to to IN 28553 2014 16 the the DT 28553 2014 17 rails rail NNS 28553 2014 18 , , , 28553 2014 19 which which WDT 28553 2014 20 lead lead VBP 28553 2014 21 the the DT 28553 2014 22 current current JJ 28553 2014 23 back back RB 28553 2014 24 to to IN 28553 2014 25 a a DT 28553 2014 26 magnet magnet NN 28553 2014 27 operating operate VBG 28553 2014 28 a a DT 28553 2014 29 signal signal NN 28553 2014 30 stationed station VBD 28553 2014 31 some some DT 28553 2014 32 distance distance NN 28553 2014 33 back back RB 28553 2014 34 on on IN 28553 2014 35 the the DT 28553 2014 36 preceding precede VBG 28553 2014 37 section section NN 28553 2014 38 . . . 28553 2015 1 As as RB 28553 2015 2 long long RB 28553 2015 3 as as IN 28553 2015 4 current current JJ 28553 2015 5 flows flow VBZ 28553 2015 6 the the DT 28553 2015 7 signal signal NN 28553 2015 8 is be VBZ 28553 2015 9 held hold VBN 28553 2015 10 at at IN 28553 2015 11 " " `` 28553 2015 12 All all RB 28553 2015 13 right right RB 28553 2015 14 . . . 28553 2015 15 " " '' 28553 2016 1 When when WRB 28553 2016 2 a a DT 28553 2016 3 train train NN 28553 2016 4 enters enter VBZ 28553 2016 5 the the DT 28553 2016 6 section section NN 28553 2016 7 the the DT 28553 2016 8 wheels wheel NNS 28553 2016 9 and and CC 28553 2016 10 axles axle VBZ 28553 2016 11 short short JJ 28553 2016 12 - - HYPH 28553 2016 13 circuit circuit NN 28553 2016 14 the the DT 28553 2016 15 current current NN 28553 2016 16 , , , 28553 2016 17 so so IN 28553 2016 18 that that IN 28553 2016 19 it -PRON- PRP 28553 2016 20 does do VBZ 28553 2016 21 not not RB 28553 2016 22 reach reach VB 28553 2016 23 the the DT 28553 2016 24 signal signal NN 28553 2016 25 magnet magnet NN 28553 2016 26 , , , 28553 2016 27 and and CC 28553 2016 28 the the DT 28553 2016 29 signal signal NN 28553 2016 30 rises rise VBZ 28553 2016 31 to to IN 28553 2016 32 " " `` 28553 2016 33 danger danger NN 28553 2016 34 , , , 28553 2016 35 " " '' 28553 2016 36 and and CC 28553 2016 37 stays stay VBZ 28553 2016 38 there there RB 28553 2016 39 until until IN 28553 2016 40 the the DT 28553 2016 41 last last JJ 28553 2016 42 pair pair NN 28553 2016 43 of of IN 28553 2016 44 wheels wheel NNS 28553 2016 45 has have VBZ 28553 2016 46 passed pass VBN 28553 2016 47 out out IN 28553 2016 48 of of IN 28553 2016 49 the the DT 28553 2016 50 section section NN 28553 2016 51 . . . 28553 2017 1 Should Should MD 28553 2017 2 the the DT 28553 2017 3 current current JJ 28553 2017 4 fail fail NN 28553 2017 5 or or CC 28553 2017 6 a a DT 28553 2017 7 vehicle vehicle NN 28553 2017 8 break break NN 28553 2017 9 loose loose JJ 28553 2017 10 and and CC 28553 2017 11 remain remain VBP 28553 2017 12 on on IN 28553 2017 13 the the DT 28553 2017 14 section section NN 28553 2017 15 , , , 28553 2017 16 the the DT 28553 2017 17 same same JJ 28553 2017 18 thing thing NN 28553 2017 19 would would MD 28553 2017 20 happen happen VB 28553 2017 21 . . . 28553 2018 1 The the DT 28553 2018 2 human human JJ 28553 2018 3 element element NN 28553 2018 4 can can MD 28553 2018 5 thus thus RB 28553 2018 6 be be VB 28553 2018 7 practically practically RB 28553 2018 8 eliminated eliminate VBN 28553 2018 9 from from IN 28553 2018 10 signalling signal VBG 28553 2018 11 . . . 28553 2019 1 To to TO 28553 2019 2 make make VB 28553 2019 3 things thing NNS 28553 2019 4 absolutely absolutely RB 28553 2019 5 safe safe JJ 28553 2019 6 , , , 28553 2019 7 a a DT 28553 2019 8 train train NN 28553 2019 9 should should MD 28553 2019 10 have have VB 28553 2019 11 positive positive JJ 28553 2019 12 control control NN 28553 2019 13 over over IN 28553 2019 14 a a DT 28553 2019 15 train train NN 28553 2019 16 following follow VBG 28553 2019 17 , , , 28553 2019 18 to to TO 28553 2019 19 prevent prevent VB 28553 2019 20 the the DT 28553 2019 21 driver driver NN 28553 2019 22 overrunning overrun VBG 28553 2019 23 the the DT 28553 2019 24 signals signal NNS 28553 2019 25 . . . 28553 2020 1 On on IN 28553 2020 2 electric electric JJ 28553 2020 3 railways railway NNS 28553 2020 4 this this DT 28553 2020 5 has have VBZ 28553 2020 6 been be VBN 28553 2020 7 effected effect VBN 28553 2020 8 by by IN 28553 2020 9 means mean NNS 28553 2020 10 of of IN 28553 2020 11 contacts contact NNS 28553 2020 12 working work VBG 28553 2020 13 in in IN 28553 2020 14 combination combination NN 28553 2020 15 with with IN 28553 2020 16 the the DT 28553 2020 17 signals signal NNS 28553 2020 18 , , , 28553 2020 19 which which WDT 28553 2020 20 either either CC 28553 2020 21 cut cut VBD 28553 2020 22 the the DT 28553 2020 23 current current NN 28553 2020 24 off off RP 28553 2020 25 from from IN 28553 2020 26 the the DT 28553 2020 27 section section NN 28553 2020 28 preceding precede VBG 28553 2020 29 that that DT 28553 2020 30 on on IN 28553 2020 31 which which WDT 28553 2020 32 a a DT 28553 2020 33 train train NN 28553 2020 34 may may MD 28553 2020 35 be be VB 28553 2020 36 , , , 28553 2020 37 or or CC 28553 2020 38 raise raise VB 28553 2020 39 a a DT 28553 2020 40 trigger trigger NN 28553 2020 41 to to TO 28553 2020 42 strike strike VB 28553 2020 43 an an DT 28553 2020 44 arm arm NN 28553 2020 45 on on IN 28553 2020 46 the the DT 28553 2020 47 train train NN 28553 2020 48 following follow VBG 28553 2020 49 and and CC 28553 2020 50 apply apply VB 28553 2020 51 its -PRON- PRP$ 28553 2020 52 brakes brake NNS 28553 2020 53 . . . 28553 2021 1 Chapter chapter NN 28553 2021 2 XII XII NNP 28553 2021 3 . . . 28553 2022 1 OPTICS OPTICS NNP 28553 2022 2 . . . 28553 2023 1 Lenses lense NNS 28553 2023 2 -- -- : 28553 2023 3 The the DT 28553 2023 4 image image NN 28553 2023 5 cast cast VBN 28553 2023 6 by by IN 28553 2023 7 a a DT 28553 2023 8 convex convex NNP 28553 2023 9 lens lens NN 28553 2023 10 -- -- : 28553 2023 11 Focus Focus NNP 28553 2023 12 -- -- : 28553 2023 13 Relative relative JJ 28553 2023 14 position position NN 28553 2023 15 of of IN 28553 2023 16 object object NN 28553 2023 17 and and CC 28553 2023 18 lens lens NN 28553 2023 19 -- -- : 28553 2023 20 Correction correction NN 28553 2023 21 of of IN 28553 2023 22 lenses lense NNS 28553 2023 23 for for IN 28553 2023 24 colour colour NN 28553 2023 25 -- -- : 28553 2023 26 Spherical spherical JJ 28553 2023 27 aberration aberration NN 28553 2023 28 -- -- : 28553 2023 29 Distortion distortion NN 28553 2023 30 of of IN 28553 2023 31 image image NN 28553 2023 32 -- -- : 28553 2023 33 The the DT 28553 2023 34 human human JJ 28553 2023 35 eye eye NN 28553 2023 36 -- -- : 28553 2023 37 The the DT 28553 2023 38 use use NN 28553 2023 39 of of IN 28553 2023 40 spectacles spectacle NNS 28553 2023 41 -- -- : 28553 2023 42 The the DT 28553 2023 43 blind blind JJ 28553 2023 44 spot spot NN 28553 2023 45 . . . 28553 2024 1 Light light NN 28553 2024 2 is be VBZ 28553 2024 3 a a DT 28553 2024 4 third third JJ 28553 2024 5 form form NN 28553 2024 6 of of IN 28553 2024 7 that that DT 28553 2024 8 energy energy NN 28553 2024 9 of of IN 28553 2024 10 which which WDT 28553 2024 11 we -PRON- PRP 28553 2024 12 have have VBP 28553 2024 13 already already RB 28553 2024 14 treated treat VBN 28553 2024 15 two two CD 28553 2024 16 manifestations manifestation NNS 28553 2024 17 -- -- : 28553 2024 18 heat heat NN 28553 2024 19 and and CC 28553 2024 20 electricity electricity NN 28553 2024 21 . . . 28553 2025 1 The the DT 28553 2025 2 distinguishing distinguish VBG 28553 2025 3 characteristic characteristic NN 28553 2025 4 of of IN 28553 2025 5 ether ether JJ 28553 2025 6 light light NN 28553 2025 7 - - HYPH 28553 2025 8 waves wave NNS 28553 2025 9 is be VBZ 28553 2025 10 their -PRON- PRP$ 28553 2025 11 extreme extreme JJ 28553 2025 12 rapidity rapidity NN 28553 2025 13 of of IN 28553 2025 14 vibration vibration NN 28553 2025 15 , , , 28553 2025 16 which which WDT 28553 2025 17 has have VBZ 28553 2025 18 been be VBN 28553 2025 19 calculated calculate VBN 28553 2025 20 to to TO 28553 2025 21 range range VB 28553 2025 22 from from IN 28553 2025 23 700 700 CD 28553 2025 24 billion billion CD 28553 2025 25 movements movement NNS 28553 2025 26 per per IN 28553 2025 27 second second NN 28553 2025 28 for for IN 28553 2025 29 violet violet NN 28553 2025 30 rays ray NNS 28553 2025 31 to to IN 28553 2025 32 400 400 CD 28553 2025 33 billion billion CD 28553 2025 34 for for IN 28553 2025 35 red red JJ 28553 2025 36 rays ray NNS 28553 2025 37 . . . 28553 2026 1 If if IN 28553 2026 2 a a DT 28553 2026 3 beam beam NN 28553 2026 4 of of IN 28553 2026 5 white white JJ 28553 2026 6 light light NN 28553 2026 7 be be VB 28553 2026 8 passed pass VBN 28553 2026 9 through through IN 28553 2026 10 a a DT 28553 2026 11 prism prism NN 28553 2026 12 it -PRON- PRP 28553 2026 13 is be VBZ 28553 2026 14 resolved resolve VBN 28553 2026 15 into into IN 28553 2026 16 the the DT 28553 2026 17 seven seven CD 28553 2026 18 visible visible JJ 28553 2026 19 colours colour NNS 28553 2026 20 of of IN 28553 2026 21 the the DT 28553 2026 22 spectrum spectrum NN 28553 2026 23 -- -- : 28553 2026 24 violet violet NN 28553 2026 25 , , , 28553 2026 26 indigo indigo NNS 28553 2026 27 , , , 28553 2026 28 blue blue JJ 28553 2026 29 , , , 28553 2026 30 green green JJ 28553 2026 31 , , , 28553 2026 32 yellow yellow JJ 28553 2026 33 , , , 28553 2026 34 orange orange JJ 28553 2026 35 , , , 28553 2026 36 and and CC 28553 2026 37 red red NN 28553 2026 38 -- -- : 28553 2026 39 in in IN 28553 2026 40 this this DT 28553 2026 41 order order NN 28553 2026 42 . . . 28553 2027 1 The the DT 28553 2027 2 human human JJ 28553 2027 3 eye eye NN 28553 2027 4 is be VBZ 28553 2027 5 most most RBS 28553 2027 6 sensitive sensitive JJ 28553 2027 7 to to IN 28553 2027 8 the the DT 28553 2027 9 yellow yellow JJ 28553 2027 10 - - HYPH 28553 2027 11 red red JJ 28553 2027 12 rays ray NNS 28553 2027 13 , , , 28553 2027 14 a a DT 28553 2027 15 photographic photographic JJ 28553 2027 16 plate plate NN 28553 2027 17 to to IN 28553 2027 18 the the DT 28553 2027 19 green green JJ 28553 2027 20 - - HYPH 28553 2027 21 violet violet NN 28553 2027 22 rays ray NNS 28553 2027 23 . . . 28553 2028 1 All all DT 28553 2028 2 bodies body NNS 28553 2028 3 fall fall VBP 28553 2028 4 into into IN 28553 2028 5 one one CD 28553 2028 6 of of IN 28553 2028 7 two two CD 28553 2028 8 classes--(1 classes--(1 NNS 28553 2028 9 ) ) -RRB- 28553 2028 10 _ _ NNP 28553 2028 11 Luminous_--that Luminous_--that NNP 28553 2028 12 is be VBZ 28553 2028 13 , , , 28553 2028 14 those those DT 28553 2028 15 which which WDT 28553 2028 16 are be VBP 28553 2028 17 a a DT 28553 2028 18 _ _ NNP 28553 2028 19 source source NN 28553 2028 20 _ _ NNP 28553 2028 21 of of IN 28553 2028 22 light light NN 28553 2028 23 , , , 28553 2028 24 such such JJ 28553 2028 25 as as IN 28553 2028 26 the the DT 28553 2028 27 sun sun NN 28553 2028 28 , , , 28553 2028 29 a a DT 28553 2028 30 candle candle NN 28553 2028 31 flame flame NN 28553 2028 32 , , , 28553 2028 33 or or CC 28553 2028 34 a a DT 28553 2028 35 red red JJ 28553 2028 36 - - HYPH 28553 2028 37 hot hot JJ 28553 2028 38 coal coal NN 28553 2028 39 ; ; , 28553 2028 40 and and CC 28553 2028 41 ( ( -LRB- 28553 2028 42 2 2 LS 28553 2028 43 ) ) -RRB- 28553 2028 44 _ _ NNP 28553 2028 45 non non JJ 28553 2028 46 - - JJ 28553 2028 47 luminous luminous JJ 28553 2028 48 _ _ NNP 28553 2028 49 , , , 28553 2028 50 which which WDT 28553 2028 51 become become VBP 28553 2028 52 visible visible JJ 28553 2028 53 only only RB 28553 2028 54 by by IN 28553 2028 55 virtue virtue NN 28553 2028 56 of of IN 28553 2028 57 light light NN 28553 2028 58 which which WDT 28553 2028 59 they -PRON- PRP 28553 2028 60 receive receive VBP 28553 2028 61 from from IN 28553 2028 62 other other JJ 28553 2028 63 bodies body NNS 28553 2028 64 and and CC 28553 2028 65 reflect reflect VB 28553 2028 66 to to IN 28553 2028 67 our -PRON- PRP$ 28553 2028 68 eyes eye NNS 28553 2028 69 . . . 28553 2029 1 THE the DT 28553 2029 2 PROPAGATION propagation NN 28553 2029 3 OF of IN 28553 2029 4 LIGHT light NN 28553 2029 5 . . . 28553 2030 1 Light light NN 28553 2030 2 naturally naturally RB 28553 2030 3 travels travel VBZ 28553 2030 4 in in IN 28553 2030 5 a a DT 28553 2030 6 straight straight JJ 28553 2030 7 line line NN 28553 2030 8 . . . 28553 2031 1 It -PRON- PRP 28553 2031 2 is be VBZ 28553 2031 3 deflected deflect VBN 28553 2031 4 only only RB 28553 2031 5 when when WRB 28553 2031 6 it -PRON- PRP 28553 2031 7 passes pass VBZ 28553 2031 8 from from IN 28553 2031 9 one one CD 28553 2031 10 transparent transparent JJ 28553 2031 11 medium medium NN 28553 2031 12 into into IN 28553 2031 13 another another DT 28553 2031 14 -- -- : 28553 2031 15 for for IN 28553 2031 16 example example NN 28553 2031 17 , , , 28553 2031 18 from from IN 28553 2031 19 air air NN 28553 2031 20 to to IN 28553 2031 21 water water NN 28553 2031 22 -- -- : 28553 2031 23 and and CC 28553 2031 24 the the DT 28553 2031 25 mediums medium NNS 28553 2031 26 are be VBP 28553 2031 27 of of IN 28553 2031 28 different different JJ 28553 2031 29 densities density NNS 28553 2031 30 . . . 28553 2032 1 We -PRON- PRP 28553 2032 2 may may MD 28553 2032 3 regard regard VB 28553 2032 4 the the DT 28553 2032 5 surface surface NN 28553 2032 6 of of IN 28553 2032 7 a a DT 28553 2032 8 visible visible JJ 28553 2032 9 object object NN 28553 2032 10 as as IN 28553 2032 11 made make VBN 28553 2032 12 up up RP 28553 2032 13 of of IN 28553 2032 14 countless countless JJ 28553 2032 15 points point NNS 28553 2032 16 , , , 28553 2032 17 from from IN 28553 2032 18 each each DT 28553 2032 19 of of IN 28553 2032 20 which which WDT 28553 2032 21 a a DT 28553 2032 22 diverging diverge VBG 28553 2032 23 pencil pencil NN 28553 2032 24 of of IN 28553 2032 25 rays ray NNS 28553 2032 26 is be VBZ 28553 2032 27 sent send VBN 28553 2032 28 off off RP 28553 2032 29 through through IN 28553 2032 30 the the DT 28553 2032 31 ether ether NN 28553 2032 32 . . . 28553 2033 1 LENSES lense NNS 28553 2033 2 . . . 28553 2034 1 If if IN 28553 2034 2 a a DT 28553 2034 3 beam beam NN 28553 2034 4 of of IN 28553 2034 5 light light JJ 28553 2034 6 encounters encounter VBZ 28553 2034 7 a a DT 28553 2034 8 transparent transparent JJ 28553 2034 9 glass glass NN 28553 2034 10 body body NN 28553 2034 11 with with IN 28553 2034 12 non non JJ 28553 2034 13 - - JJ 28553 2034 14 parallel parallel JJ 28553 2034 15 sides side NNS 28553 2034 16 , , , 28553 2034 17 the the DT 28553 2034 18 rays ray NNS 28553 2034 19 are be VBP 28553 2034 20 deflected deflect VBN 28553 2034 21 . . . 28553 2035 1 The the DT 28553 2035 2 direction direction NN 28553 2035 3 they -PRON- PRP 28553 2035 4 take take VBP 28553 2035 5 depends depend VBZ 28553 2035 6 on on IN 28553 2035 7 the the DT 28553 2035 8 shape shape NN 28553 2035 9 of of IN 28553 2035 10 the the DT 28553 2035 11 body body NN 28553 2035 12 , , , 28553 2035 13 but but CC 28553 2035 14 it -PRON- PRP 28553 2035 15 may may MD 28553 2035 16 be be VB 28553 2035 17 laid lay VBN 28553 2035 18 down down RP 28553 2035 19 as as IN 28553 2035 20 a a DT 28553 2035 21 rule rule NN 28553 2035 22 that that IN 28553 2035 23 they -PRON- PRP 28553 2035 24 are be VBP 28553 2035 25 bent bent JJ 28553 2035 26 toward toward IN 28553 2035 27 the the DT 28553 2035 28 thicker thick JJR 28553 2035 29 part part NN 28553 2035 30 of of IN 28553 2035 31 the the DT 28553 2035 32 glass glass NN 28553 2035 33 . . . 28553 2036 1 The the DT 28553 2036 2 common common JJ 28553 2036 3 burning burning JJ 28553 2036 4 - - HYPH 28553 2036 5 glass glass NN 28553 2036 6 is be VBZ 28553 2036 7 well well RB 28553 2036 8 known known JJ 28553 2036 9 to to IN 28553 2036 10 us -PRON- PRP 28553 2036 11 . . . 28553 2037 1 We -PRON- PRP 28553 2037 2 hold hold VBP 28553 2037 3 it -PRON- PRP 28553 2037 4 up up RP 28553 2037 5 facing face VBG 28553 2037 6 the the DT 28553 2037 7 sun sun NN 28553 2037 8 to to TO 28553 2037 9 concentrate concentrate VB 28553 2037 10 all all PDT 28553 2037 11 the the DT 28553 2037 12 heat heat NN 28553 2037 13 rays ray NNS 28553 2037 14 that that WDT 28553 2037 15 fall fall VBP 28553 2037 16 upon upon IN 28553 2037 17 it -PRON- PRP 28553 2037 18 into into IN 28553 2037 19 one one CD 28553 2037 20 intensely intensely RB 28553 2037 21 brilliant brilliant JJ 28553 2037 22 spot spot NN 28553 2037 23 , , , 28553 2037 24 which which WDT 28553 2037 25 speedily speedily RB 28553 2037 26 ignites ignite VBZ 28553 2037 27 any any DT 28553 2037 28 inflammable inflammable JJ 28553 2037 29 substance substance NN 28553 2037 30 on on IN 28553 2037 31 which which WDT 28553 2037 32 it -PRON- PRP 28553 2037 33 may may MD 28553 2037 34 fall fall VB 28553 2037 35 ( ( -LRB- 28553 2037 36 Fig fig NN 28553 2037 37 . . . 28553 2038 1 103 103 CD 28553 2038 2 ) ) -RRB- 28553 2038 3 . . . 28553 2039 1 We -PRON- PRP 28553 2039 2 may may MD 28553 2039 3 imagine imagine VB 28553 2039 4 that that IN 28553 2039 5 one one CD 28553 2039 6 ray ray NN 28553 2039 7 passes pass VBZ 28553 2039 8 from from IN 28553 2039 9 the the DT 28553 2039 10 centre centre NN 28553 2039 11 of of IN 28553 2039 12 the the DT 28553 2039 13 sun sun NN 28553 2039 14 through through IN 28553 2039 15 the the DT 28553 2039 16 centre centre NN 28553 2039 17 of of IN 28553 2039 18 the the DT 28553 2039 19 glass glass NN 28553 2039 20 . . . 28553 2040 1 This this DT 28553 2040 2 is be VBZ 28553 2040 3 undeflected undeflected JJ 28553 2040 4 ; ; : 28553 2040 5 but but CC 28553 2040 6 all all PDT 28553 2040 7 the the DT 28553 2040 8 others other NNS 28553 2040 9 are be VBP 28553 2040 10 bent bent JJ 28553 2040 11 towards towards IN 28553 2040 12 it -PRON- PRP 28553 2040 13 , , , 28553 2040 14 as as IN 28553 2040 15 they -PRON- PRP 28553 2040 16 pass pass VBP 28553 2040 17 through through IN 28553 2040 18 the the DT 28553 2040 19 thinner thin JJR 28553 2040 20 parts part NNS 28553 2040 21 of of IN 28553 2040 22 the the DT 28553 2040 23 lens lens NN 28553 2040 24 . . . 28553 2041 1 [ [ -LRB- 28553 2041 2 Illustration illustration NN 28553 2041 3 : : : 28553 2041 4 FIG FIG NNP 28553 2041 5 . . . 28553 2042 1 103.--Showing 103.--showe VBG 28553 2042 2 how how WRB 28553 2042 3 a a DT 28553 2042 4 burning burn VBG 28553 2042 5 - - HYPH 28553 2042 6 glass glass NN 28553 2042 7 concentrates concentrate VBZ 28553 2042 8 the the DT 28553 2042 9 heat heat NN 28553 2042 10 rays ray NNS 28553 2042 11 which which WDT 28553 2042 12 fall fall VBP 28553 2042 13 upon upon IN 28553 2042 14 it -PRON- PRP 28553 2042 15 . . . 28553 2042 16 ] ] -RRB- 28553 2043 1 It -PRON- PRP 28553 2043 2 should should MD 28553 2043 3 be be VB 28553 2043 4 noted note VBN 28553 2043 5 here here RB 28553 2043 6 that that IN 28553 2043 7 _ _ NNP 28553 2043 8 sunlight sunlight VBD 28553 2043 9 _ _ NNP 28553 2043 10 , , , 28553 2043 11 as as IN 28553 2043 12 we -PRON- PRP 28553 2043 13 call call VBP 28553 2043 14 it -PRON- PRP 28553 2043 15 , , , 28553 2043 16 is be VBZ 28553 2043 17 accompanied accompany VBN 28553 2043 18 by by IN 28553 2043 19 heat heat NN 28553 2043 20 . . . 28553 2044 1 A a DT 28553 2044 2 burning burn VBG 28553 2044 3 - - HYPH 28553 2044 4 glass glass NN 28553 2044 5 is be VBZ 28553 2044 6 used use VBN 28553 2044 7 to to TO 28553 2044 8 concentrate concentrate VB 28553 2044 9 the the DT 28553 2044 10 _ _ NNP 28553 2044 11 heat heat NN 28553 2044 12 _ _ NNP 28553 2044 13 rays ray NNS 28553 2044 14 , , , 28553 2044 15 not not RB 28553 2044 16 the the DT 28553 2044 17 _ _ NNP 28553 2044 18 light light NN 28553 2044 19 _ _ NNP 28553 2044 20 rays ray NNS 28553 2044 21 , , , 28553 2044 22 which which WDT 28553 2044 23 , , , 28553 2044 24 though though IN 28553 2044 25 they -PRON- PRP 28553 2044 26 are be VBP 28553 2044 27 collected collect VBN 28553 2044 28 too too RB 28553 2044 29 , , , 28553 2044 30 have have VBP 28553 2044 31 no no DT 28553 2044 32 igniting ignite VBG 28553 2044 33 effect effect NN 28553 2044 34 . . . 28553 2045 1 In in IN 28553 2045 2 photography photography NN 28553 2045 3 we -PRON- PRP 28553 2045 4 use use VBP 28553 2045 5 a a DT 28553 2045 6 lens lens NN 28553 2045 7 to to TO 28553 2045 8 concentrate concentrate VB 28553 2045 9 light light NN 28553 2045 10 rays ray NNS 28553 2045 11 only only RB 28553 2045 12 . . . 28553 2046 1 Such such JJ 28553 2046 2 heat heat NN 28553 2046 3 rays ray NNS 28553 2046 4 as as IN 28553 2046 5 may may MD 28553 2046 6 pass pass VB 28553 2046 7 through through IN 28553 2046 8 the the DT 28553 2046 9 lens lens NN 28553 2046 10 with with IN 28553 2046 11 them -PRON- PRP 28553 2046 12 are be VBP 28553 2046 13 not not RB 28553 2046 14 wanted want VBN 28553 2046 15 , , , 28553 2046 16 and and CC 28553 2046 17 as as IN 28553 2046 18 they -PRON- PRP 28553 2046 19 have have VBP 28553 2046 20 no no DT 28553 2046 21 practical practical JJ 28553 2046 22 effect effect NN 28553 2046 23 are be VBP 28553 2046 24 not not RB 28553 2046 25 taken take VBN 28553 2046 26 any any DT 28553 2046 27 notice notice NN 28553 2046 28 of of IN 28553 2046 29 . . . 28553 2047 1 To to TO 28553 2047 2 be be VB 28553 2047 3 of of IN 28553 2047 4 real real JJ 28553 2047 5 value value NN 28553 2047 6 , , , 28553 2047 7 a a DT 28553 2047 8 lens lens NN 28553 2047 9 must must MD 28553 2047 10 be be VB 28553 2047 11 quite quite RB 28553 2047 12 symmetrical symmetrical JJ 28553 2047 13 -- -- : 28553 2047 14 that that RB 28553 2047 15 is is RB 28553 2047 16 , , , 28553 2047 17 the the DT 28553 2047 18 curve curve NN 28553 2047 19 from from IN 28553 2047 20 the the DT 28553 2047 21 centre centre NN 28553 2047 22 to to IN 28553 2047 23 the the DT 28553 2047 24 circumference circumference NN 28553 2047 25 must must MD 28553 2047 26 be be VB 28553 2047 27 the the DT 28553 2047 28 same same JJ 28553 2047 29 in in IN 28553 2047 30 all all DT 28553 2047 31 directions direction NNS 28553 2047 32 . . . 28553 2048 1 There there EX 28553 2048 2 are be VBP 28553 2048 3 six six CD 28553 2048 4 forms form NNS 28553 2048 5 of of IN 28553 2048 6 simple simple JJ 28553 2048 7 lenses lense NNS 28553 2048 8 , , , 28553 2048 9 as as IN 28553 2048 10 given give VBN 28553 2048 11 in in IN 28553 2048 12 Fig Fig NNP 28553 2048 13 . . . 28553 2049 1 104 104 CD 28553 2049 2 . . . 28553 2050 1 Nos nos UH 28553 2050 2 . . . 28553 2051 1 1 1 CD 28553 2051 2 and and CC 28553 2051 3 2 2 CD 28553 2051 4 have have VB 28553 2051 5 one one CD 28553 2051 6 flat flat JJ 28553 2051 7 and and CC 28553 2051 8 one one CD 28553 2051 9 spherical spherical JJ 28553 2051 10 surface surface NN 28553 2051 11 . . . 28553 2052 1 Nos nos UH 28553 2052 2 . . . 28553 2053 1 3 3 CD 28553 2053 2 , , , 28553 2053 3 4 4 CD 28553 2053 4 , , , 28553 2053 5 5 5 CD 28553 2053 6 , , , 28553 2053 7 6 6 CD 28553 2053 8 have have VBP 28553 2053 9 two two CD 28553 2053 10 spherical spherical JJ 28553 2053 11 surfaces surface NNS 28553 2053 12 . . . 28553 2054 1 When when WRB 28553 2054 2 a a DT 28553 2054 3 lens lens NN 28553 2054 4 is be VBZ 28553 2054 5 thicker thick JJR 28553 2054 6 at at IN 28553 2054 7 the the DT 28553 2054 8 middle middle NN 28553 2054 9 than than IN 28553 2054 10 at at IN 28553 2054 11 the the DT 28553 2054 12 sides side NNS 28553 2054 13 it -PRON- PRP 28553 2054 14 is be VBZ 28553 2054 15 called call VBN 28553 2054 16 a a DT 28553 2054 17 _ _ NNP 28553 2054 18 convex convex NNP 28553 2054 19 _ _ NNP 28553 2054 20 lens lens NN 28553 2054 21 ; ; : 28553 2054 22 when when WRB 28553 2054 23 thinner thin JJR 28553 2054 24 , , , 28553 2054 25 a a DT 28553 2054 26 _ _ NNP 28553 2054 27 concave concave NNP 28553 2054 28 _ _ NNP 28553 2054 29 lens lens NN 28553 2054 30 . . . 28553 2055 1 The the DT 28553 2055 2 names name NNS 28553 2055 3 of of IN 28553 2055 4 the the DT 28553 2055 5 various various JJ 28553 2055 6 shapes shape NNS 28553 2055 7 are be VBP 28553 2055 8 as as IN 28553 2055 9 follows:--No follows:--No NNP 28553 2055 10 . . . 28553 2056 1 1 1 CD 28553 2056 2 , , , 28553 2056 3 plano plano NNP 28553 2056 4 - - HYPH 28553 2056 5 convex convex NNS 28553 2056 6 ; ; : 28553 2056 7 No no UH 28553 2056 8 . . . 28553 2057 1 2 2 LS 28553 2057 2 , , , 28553 2057 3 plano plano NNP 28553 2057 4 - - HYPH 28553 2057 5 concave concave NNP 28553 2057 6 ; ; : 28553 2057 7 No no UH 28553 2057 8 . . . 28553 2058 1 3 3 LS 28553 2058 2 , , , 28553 2058 3 double double JJ 28553 2058 4 convex convex NNS 28553 2058 5 ; ; : 28553 2058 6 No no UH 28553 2058 7 . . . 28553 2059 1 4 4 LS 28553 2059 2 , , , 28553 2059 3 double double JJ 28553 2059 4 concave concave NN 28553 2059 5 ; ; : 28553 2059 6 No no UH 28553 2059 7 . . . 28553 2060 1 5 5 CD 28553 2060 2 , , , 28553 2060 3 meniscus meniscus VB 28553 2060 4 ; ; : 28553 2060 5 No no UH 28553 2060 6 . . . 28553 2061 1 6 6 CD 28553 2061 2 , , , 28553 2061 3 concavo concavo NNP 28553 2061 4 - - HYPH 28553 2061 5 convex convex NNP 28553 2061 6 . . . 28553 2062 1 The the DT 28553 2062 2 thick thick JJ 28553 2062 3 - - HYPH 28553 2062 4 centre centre NN 28553 2062 5 lenses lense NNS 28553 2062 6 , , , 28553 2062 7 as as IN 28553 2062 8 we -PRON- PRP 28553 2062 9 may may MD 28553 2062 10 term term VB 28553 2062 11 them -PRON- PRP 28553 2062 12 ( ( -LRB- 28553 2062 13 Nos nos UH 28553 2062 14 . . . 28553 2063 1 1 1 CD 28553 2063 2 , , , 28553 2063 3 3 3 CD 28553 2063 4 , , , 28553 2063 5 5 5 CD 28553 2063 6 ) ) -RRB- 28553 2063 7 , , , 28553 2063 8 _ _ NNP 28553 2063 9 concentrate concentrate NN 28553 2063 10 _ _ NNP 28553 2063 11 a a DT 28553 2063 12 pencil pencil NN 28553 2063 13 of of IN 28553 2063 14 rays ray NNS 28553 2063 15 passing pass VBG 28553 2063 16 through through IN 28553 2063 17 them -PRON- PRP 28553 2063 18 ; ; : 28553 2063 19 while while IN 28553 2063 20 the the DT 28553 2063 21 thin thin JJ 28553 2063 22 - - HYPH 28553 2063 23 centre centre NN 28553 2063 24 lenses lense NNS 28553 2063 25 ( ( -LRB- 28553 2063 26 Nos Nos NNP 28553 2063 27 . . . 28553 2064 1 2 2 CD 28553 2064 2 , , , 28553 2064 3 4 4 CD 28553 2064 4 , , , 28553 2064 5 6 6 CD 28553 2064 6 ) ) -RRB- 28553 2064 7 _ _ NNP 28553 2064 8 scatter scatter NN 28553 2064 9 _ _ NNP 28553 2064 10 the the DT 28553 2064 11 rays ray NNS 28553 2064 12 ( ( -LRB- 28553 2064 13 see see VB 28553 2064 14 Fig Fig NNP 28553 2064 15 . . . 28553 2065 1 105 105 CD 28553 2065 2 ) ) -RRB- 28553 2065 3 . . . 28553 2066 1 [ [ -LRB- 28553 2066 2 Illustration illustration NN 28553 2066 3 : : : 28553 2066 4 FIG FIG NNP 28553 2066 5 . . . 28553 2067 1 104.--Six 104.--six CD 28553 2067 2 forms form NNS 28553 2067 3 of of IN 28553 2067 4 lenses lense NNS 28553 2067 5 . . . 28553 2067 6 ] ] -RRB- 28553 2068 1 THE the DT 28553 2068 2 CAMERA CAMERA NNP 28553 2068 3 . . . 28553 2069 1 [ [ -LRB- 28553 2069 2 Illustration illustration NN 28553 2069 3 : : : 28553 2069 4 FIG FIG NNP 28553 2069 5 . . . 28553 2070 1 105 105 CD 28553 2070 2 . . . 28553 2070 3 ] ] -RRB- 28553 2071 1 [ [ -LRB- 28553 2071 2 Illustration illustration NN 28553 2071 3 : : : 28553 2071 4 FIG FIG NNP 28553 2071 5 . . . 28553 2072 1 106 106 CD 28553 2072 2 . . . 28553 2072 3 ] ] -RRB- 28553 2073 1 We -PRON- PRP 28553 2073 2 said say VBD 28553 2073 3 above above IN 28553 2073 4 that that DT 28553 2073 5 light light NN 28553 2073 6 is be VBZ 28553 2073 7 propagated propagate VBN 28553 2073 8 in in IN 28553 2073 9 straight straight JJ 28553 2073 10 lines line NNS 28553 2073 11 . . . 28553 2074 1 To to TO 28553 2074 2 prove prove VB 28553 2074 3 this this DT 28553 2074 4 is be VBZ 28553 2074 5 easy easy JJ 28553 2074 6 . . . 28553 2075 1 Get get VB 28553 2075 2 a a DT 28553 2075 3 piece piece NN 28553 2075 4 of of IN 28553 2075 5 cardboard cardboard NN 28553 2075 6 and and CC 28553 2075 7 prick prick VB 28553 2075 8 a a DT 28553 2075 9 hole hole NN 28553 2075 10 in in IN 28553 2075 11 it -PRON- PRP 28553 2075 12 . . . 28553 2076 1 Set set VB 28553 2076 2 this this DT 28553 2076 3 up up RP 28553 2076 4 some some DT 28553 2076 5 distance distance NN 28553 2076 6 away away RB 28553 2076 7 from from IN 28553 2076 8 a a DT 28553 2076 9 candle candle NN 28553 2076 10 flame flame NN 28553 2076 11 , , , 28553 2076 12 and and CC 28553 2076 13 hold hold VB 28553 2076 14 behind behind IN 28553 2076 15 it -PRON- PRP 28553 2076 16 a a DT 28553 2076 17 piece piece NN 28553 2076 18 of of IN 28553 2076 19 tissue tissue NN 28553 2076 20 paper paper NN 28553 2076 21 . . . 28553 2077 1 You -PRON- PRP 28553 2077 2 will will MD 28553 2077 3 at at IN 28553 2077 4 once once RB 28553 2077 5 perceive perceive VB 28553 2077 6 a a DT 28553 2077 7 faint faint JJ 28553 2077 8 , , , 28553 2077 9 upside upside RB 28553 2077 10 - - HYPH 28553 2077 11 down down RP 28553 2077 12 image image NN 28553 2077 13 of of IN 28553 2077 14 the the DT 28553 2077 15 flame flame NN 28553 2077 16 on on IN 28553 2077 17 the the DT 28553 2077 18 tissue tissue NN 28553 2077 19 . . . 28553 2078 1 Why why WRB 28553 2078 2 is be VBZ 28553 2078 3 this this DT 28553 2078 4 ? ? . 28553 2079 1 Turn turn VB 28553 2079 2 for for IN 28553 2079 3 a a DT 28553 2079 4 moment moment NN 28553 2079 5 to to IN 28553 2079 6 Fig Fig NNP 28553 2079 7 . . . 28553 2080 1 106 106 CD 28553 2080 2 , , , 28553 2080 3 which which WDT 28553 2080 4 shows show VBZ 28553 2080 5 a a DT 28553 2080 6 " " `` 28553 2080 7 pinhole pinhole NN 28553 2080 8 " " '' 28553 2080 9 camera camera NN 28553 2080 10 in in IN 28553 2080 11 section section NN 28553 2080 12 . . . 28553 2081 1 At at IN 28553 2081 2 the the DT 28553 2081 3 rear rear NN 28553 2081 4 is be VBZ 28553 2081 5 a a DT 28553 2081 6 ground ground NN 28553 2081 7 - - HYPH 28553 2081 8 glass glass NN 28553 2081 9 screen screen NN 28553 2081 10 , , , 28553 2081 11 B b NN 28553 2081 12 , , , 28553 2081 13 to to TO 28553 2081 14 catch catch VB 28553 2081 15 the the DT 28553 2081 16 image image NN 28553 2081 17 . . . 28553 2082 1 Suppose suppose VB 28553 2082 2 that that IN 28553 2082 3 A a DT 28553 2082 4 is be VBZ 28553 2082 5 the the DT 28553 2082 6 lowest low JJS 28553 2082 7 point point NN 28553 2082 8 of of IN 28553 2082 9 the the DT 28553 2082 10 flame flame NN 28553 2082 11 . . . 28553 2083 1 A a DT 28553 2083 2 pencil pencil NN 28553 2083 3 of of IN 28553 2083 4 rays ray NNS 28553 2083 5 diverging diverge VBG 28553 2083 6 from from IN 28553 2083 7 it -PRON- PRP 28553 2083 8 strikes strike VBZ 28553 2083 9 the the DT 28553 2083 10 front front NN 28553 2083 11 of of IN 28553 2083 12 the the DT 28553 2083 13 camera camera NN 28553 2083 14 , , , 28553 2083 15 which which WDT 28553 2083 16 stops stop VBZ 28553 2083 17 them -PRON- PRP 28553 2083 18 all all DT 28553 2083 19 except except IN 28553 2083 20 the the DT 28553 2083 21 one one CD 28553 2083 22 which which WDT 28553 2083 23 passes pass VBZ 28553 2083 24 through through IN 28553 2083 25 the the DT 28553 2083 26 hole hole NN 28553 2083 27 and and CC 28553 2083 28 makes make VBZ 28553 2083 29 a a DT 28553 2083 30 tiny tiny JJ 28553 2083 31 luminous luminous JJ 28553 2083 32 spot spot NN 28553 2083 33 on on IN 28553 2083 34 B B NNP 28553 2083 35 , , , 28553 2083 36 _ _ NNP 28553 2083 37 above above IN 28553 2083 38 _ _ NNP 28553 2083 39 the the DT 28553 2083 40 centre centre NN 28553 2083 41 of of IN 28553 2083 42 the the DT 28553 2083 43 screen screen NN 28553 2083 44 , , , 28553 2083 45 though though IN 28553 2083 46 A a DT 28553 2083 47 is be VBZ 28553 2083 48 below below IN 28553 2083 49 the the DT 28553 2083 50 axis axi NNS 28553 2083 51 of of IN 28553 2083 52 the the DT 28553 2083 53 camera camera NN 28553 2083 54 . . . 28553 2084 1 Similarly similarly RB 28553 2084 2 the the DT 28553 2084 3 tip tip NN 28553 2084 4 of of IN 28553 2084 5 the the DT 28553 2084 6 flame flame NN 28553 2084 7 ( ( -LRB- 28553 2084 8 above above IN 28553 2084 9 the the DT 28553 2084 10 axis axis NN 28553 2084 11 ) ) -RRB- 28553 2084 12 would would MD 28553 2084 13 be be VB 28553 2084 14 represented represent VBN 28553 2084 15 by by IN 28553 2084 16 a a DT 28553 2084 17 dot dot NN 28553 2084 18 on on IN 28553 2084 19 the the DT 28553 2084 20 screen screen NN 28553 2084 21 below below IN 28553 2084 22 its -PRON- PRP$ 28553 2084 23 centre centre NN 28553 2084 24 . . . 28553 2085 1 And and CC 28553 2085 2 so so RB 28553 2085 3 on on RB 28553 2085 4 for for IN 28553 2085 5 all all PDT 28553 2085 6 the the DT 28553 2085 7 millions million NNS 28553 2085 8 of of IN 28553 2085 9 points point NNS 28553 2085 10 of of IN 28553 2085 11 the the DT 28553 2085 12 flame flame NN 28553 2085 13 . . . 28553 2086 1 If if IN 28553 2086 2 we -PRON- PRP 28553 2086 3 were be VBD 28553 2086 4 to to TO 28553 2086 5 enlarge enlarge VB 28553 2086 6 the the DT 28553 2086 7 hole hole NN 28553 2086 8 we -PRON- PRP 28553 2086 9 should should MD 28553 2086 10 get get VB 28553 2086 11 a a DT 28553 2086 12 brighter bright JJR 28553 2086 13 image image NN 28553 2086 14 , , , 28553 2086 15 but but CC 28553 2086 16 it -PRON- PRP 28553 2086 17 would would MD 28553 2086 18 have have VB 28553 2086 19 less less RBR 28553 2086 20 sharp sharp JJ 28553 2086 21 outlines outline NNS 28553 2086 22 , , , 28553 2086 23 because because IN 28553 2086 24 a a DT 28553 2086 25 number number NN 28553 2086 26 of of IN 28553 2086 27 rays ray NNS 28553 2086 28 from from IN 28553 2086 29 every every DT 28553 2086 30 point point NN 28553 2086 31 of of IN 28553 2086 32 the the DT 28553 2086 33 candle candle NN 28553 2086 34 would would MD 28553 2086 35 reach reach VB 28553 2086 36 the the DT 28553 2086 37 screen screen NN 28553 2086 38 and and CC 28553 2086 39 be be VB 28553 2086 40 jumbled jumble VBN 28553 2086 41 up up RP 28553 2086 42 with with IN 28553 2086 43 the the DT 28553 2086 44 rays ray NNS 28553 2086 45 of of IN 28553 2086 46 neighbouring neighbouring NN 28553 2086 47 pencils pencil NNS 28553 2086 48 . . . 28553 2087 1 Now now RB 28553 2087 2 , , , 28553 2087 3 though though IN 28553 2087 4 a a DT 28553 2087 5 good good JJ 28553 2087 6 , , , 28553 2087 7 sharp sharp JJ 28553 2087 8 photograph photograph NN 28553 2087 9 may may MD 28553 2087 10 be be VB 28553 2087 11 taken take VBN 28553 2087 12 through through IN 28553 2087 13 a a DT 28553 2087 14 pinhole pinhole NN 28553 2087 15 , , , 28553 2087 16 the the DT 28553 2087 17 time time NN 28553 2087 18 required require VBN 28553 2087 19 is be VBZ 28553 2087 20 so so RB 28553 2087 21 long long JJ 28553 2087 22 that that IN 28553 2087 23 photography photography NN 28553 2087 24 of of IN 28553 2087 25 this this DT 28553 2087 26 sort sort NN 28553 2087 27 has have VBZ 28553 2087 28 little little JJ 28553 2087 29 practical practical JJ 28553 2087 30 value value NN 28553 2087 31 . . . 28553 2088 1 What what WP 28553 2088 2 we -PRON- PRP 28553 2088 3 want want VBP 28553 2088 4 is be VBZ 28553 2088 5 a a DT 28553 2088 6 large large JJ 28553 2088 7 hole hole NN 28553 2088 8 for for IN 28553 2088 9 the the DT 28553 2088 10 light light NN 28553 2088 11 to to TO 28553 2088 12 enter enter VB 28553 2088 13 the the DT 28553 2088 14 camera camera NN 28553 2088 15 by by IN 28553 2088 16 , , , 28553 2088 17 and and CC 28553 2088 18 yet yet RB 28553 2088 19 to to TO 28553 2088 20 secure secure VB 28553 2088 21 a a DT 28553 2088 22 distinct distinct JJ 28553 2088 23 image image NN 28553 2088 24 . . . 28553 2089 1 If if IN 28553 2089 2 we -PRON- PRP 28553 2089 3 place place VBP 28553 2089 4 a a DT 28553 2089 5 lens lens NN 28553 2089 6 in in IN 28553 2089 7 the the DT 28553 2089 8 hole hole NN 28553 2089 9 we -PRON- PRP 28553 2089 10 can can MD 28553 2089 11 fulfil fulfil VB 28553 2089 12 our -PRON- PRP$ 28553 2089 13 wish wish NN 28553 2089 14 . . . 28553 2090 1 Fig fig NN 28553 2090 2 . . . 28553 2091 1 107 107 CD 28553 2091 2 shows show VBZ 28553 2091 3 a a DT 28553 2091 4 lens lens NN 28553 2091 5 in in IN 28553 2091 6 position position NN 28553 2091 7 , , , 28553 2091 8 gathering gather VBG 28553 2091 9 up up RP 28553 2091 10 a a DT 28553 2091 11 number number NN 28553 2091 12 of of IN 28553 2091 13 rays ray NNS 28553 2091 14 from from IN 28553 2091 15 a a DT 28553 2091 16 point point NN 28553 2091 17 , , , 28553 2091 18 A a NN 28553 2091 19 , , , 28553 2091 20 and and CC 28553 2091 21 focussing focusse VBG 28553 2091 22 them -PRON- PRP 28553 2091 23 on on IN 28553 2091 24 a a DT 28553 2091 25 point point NN 28553 2091 26 , , , 28553 2091 27 B. B. NNP 28553 2092 1 If if IN 28553 2092 2 the the DT 28553 2092 3 lens lens NN 28553 2092 4 has have VBZ 28553 2092 5 1,000 1,000 CD 28553 2092 6 times time NNS 28553 2092 7 the the DT 28553 2092 8 area area NN 28553 2092 9 of of IN 28553 2092 10 the the DT 28553 2092 11 pinhole pinhole NN 28553 2092 12 , , , 28553 2092 13 it -PRON- PRP 28553 2092 14 will will MD 28553 2092 15 pass pass VB 28553 2092 16 1,000 1,000 CD 28553 2092 17 times time NNS 28553 2092 18 as as RB 28553 2092 19 many many JJ 28553 2092 20 rays ray NNS 28553 2092 21 , , , 28553 2092 22 and and CC 28553 2092 23 the the DT 28553 2092 24 image image NN 28553 2092 25 of of IN 28553 2092 26 A a DT 28553 2092 27 will will MD 28553 2092 28 be be VB 28553 2092 29 impressed impress VBN 28553 2092 30 on on IN 28553 2092 31 a a DT 28553 2092 32 sensitized sensitized JJ 28553 2092 33 photographic photographic JJ 28553 2092 34 plate plate NN 28553 2092 35 1,000 1,000 CD 28553 2092 36 times time NNS 28553 2092 37 more more RBR 28553 2092 38 quickly quickly RB 28553 2092 39 . . . 28553 2093 1 [ [ -LRB- 28553 2093 2 Illustration illustration NN 28553 2093 3 : : : 28553 2093 4 FIG FIG NNP 28553 2093 5 . . . 28553 2094 1 107 107 LS 28553 2094 2 . . . 28553 2094 3 ] ] -RRB- 28553 2095 1 THE the DT 28553 2095 2 IMAGE image NN 28553 2095 3 CAST CAST VBN 28553 2095 4 BY by IN 28553 2095 5 A a DT 28553 2095 6 CONVEX CONVEX NNP 28553 2095 7 LENS lens NN 28553 2095 8 . . . 28553 2096 1 Fig fig NN 28553 2096 2 . . . 28553 2097 1 108 108 CD 28553 2097 2 shows show VBZ 28553 2097 3 diagrammatically diagrammatically RB 28553 2097 4 how how WRB 28553 2097 5 a a DT 28553 2097 6 convex convex NNP 28553 2097 7 lens lens NN 28553 2097 8 forms form VBZ 28553 2097 9 an an DT 28553 2097 10 image image NN 28553 2097 11 . . . 28553 2098 1 From from IN 28553 2098 2 A a NN 28553 2098 3 and and CC 28553 2098 4 B b NN 28553 2098 5 , , , 28553 2098 6 the the DT 28553 2098 7 extremities extremity NNS 28553 2098 8 of of IN 28553 2098 9 the the DT 28553 2098 10 object object NN 28553 2098 11 , , , 28553 2098 12 a a DT 28553 2098 13 simple simple JJ 28553 2098 14 ray ray NN 28553 2098 15 is be VBZ 28553 2098 16 considered consider VBN 28553 2098 17 to to TO 28553 2098 18 pass pass VB 28553 2098 19 through through IN 28553 2098 20 the the DT 28553 2098 21 centre centre NN 28553 2098 22 of of IN 28553 2098 23 the the DT 28553 2098 24 lens lens NN 28553 2098 25 . . . 28553 2099 1 This this DT 28553 2099 2 is be VBZ 28553 2099 3 not not RB 28553 2099 4 deflected deflect VBN 28553 2099 5 at at RB 28553 2099 6 all all RB 28553 2099 7 . . . 28553 2100 1 Two two CD 28553 2100 2 other other JJ 28553 2100 3 rays ray NNS 28553 2100 4 from from IN 28553 2100 5 the the DT 28553 2100 6 same same JJ 28553 2100 7 points point NNS 28553 2100 8 strike strike VBP 28553 2100 9 the the DT 28553 2100 10 lens lens NN 28553 2100 11 above above RB 28553 2100 12 and and CC 28553 2100 13 below below IN 28553 2100 14 the the DT 28553 2100 15 centre centre NN 28553 2100 16 respectively respectively RB 28553 2100 17 . . . 28553 2101 1 These these DT 28553 2101 2 are be VBP 28553 2101 3 bent bent JJ 28553 2101 4 inwards inward NNS 28553 2101 5 and and CC 28553 2101 6 meet meet VB 28553 2101 7 the the DT 28553 2101 8 central central JJ 28553 2101 9 rays ray NNS 28553 2101 10 , , , 28553 2101 11 or or CC 28553 2101 12 come come VB 28553 2101 13 to to IN 28553 2101 14 a a DT 28553 2101 15 focus focus NN 28553 2101 16 with with IN 28553 2101 17 them -PRON- PRP 28553 2101 18 at at IN 28553 2101 19 A^1 A^1 NNP 28553 2101 20 and and CC 28553 2101 21 B^1 B^1 NNP 28553 2101 22 . . . 28553 2102 1 In in IN 28553 2102 2 reality reality NN 28553 2102 3 a a DT 28553 2102 4 countless countless JJ 28553 2102 5 number number NN 28553 2102 6 of of IN 28553 2102 7 rays ray NNS 28553 2102 8 would would MD 28553 2102 9 be be VB 28553 2102 10 transmitted transmit VBN 28553 2102 11 from from IN 28553 2102 12 every every DT 28553 2102 13 point point NN 28553 2102 14 of of IN 28553 2102 15 the the DT 28553 2102 16 object object NN 28553 2102 17 and and CC 28553 2102 18 collected collect VBN 28553 2102 19 to to TO 28553 2102 20 form form VB 28553 2102 21 the the DT 28553 2102 22 image image NN 28553 2102 23 . . . 28553 2103 1 [ [ -LRB- 28553 2103 2 Illustration illustration NN 28553 2103 3 : : : 28553 2103 4 FIG FIG NNP 28553 2103 5 . . . 28553 2104 1 108.--Showing 108.--showing CD 28553 2104 2 how how WRB 28553 2104 3 an an DT 28553 2104 4 image image NN 28553 2104 5 is be VBZ 28553 2104 6 cast cast VBN 28553 2104 7 by by IN 28553 2104 8 a a DT 28553 2104 9 convex convex NNP 28553 2104 10 lens lens NN 28553 2104 11 . . . 28553 2104 12 ] ] -RRB- 28553 2105 1 FOCUS FOCUS NNP 28553 2105 2 . . . 28553 2106 1 We -PRON- PRP 28553 2106 2 must must MD 28553 2106 3 now now RB 28553 2106 4 take take VB 28553 2106 5 special special JJ 28553 2106 6 notice notice NN 28553 2106 7 of of IN 28553 2106 8 that that DT 28553 2106 9 word word NN 28553 2106 10 heard hear VBD 28553 2106 11 so so RB 28553 2106 12 often often RB 28553 2106 13 in in IN 28553 2106 14 photographic photographic JJ 28553 2106 15 talk--"focus talk--"focus : 28553 2106 16 . . . 28553 2106 17 " " '' 28553 2107 1 What what WP 28553 2107 2 is be VBZ 28553 2107 3 meant mean VBN 28553 2107 4 by by IN 28553 2107 5 the the DT 28553 2107 6 focus focus NN 28553 2107 7 or or CC 28553 2107 8 focal focal JJ 28553 2107 9 length length NN 28553 2107 10 of of IN 28553 2107 11 a a DT 28553 2107 12 lens lens NN 28553 2107 13 ? ? . 28553 2108 1 Well well UH 28553 2108 2 , , , 28553 2108 3 it -PRON- PRP 28553 2108 4 merely merely RB 28553 2108 5 signifies signify VBZ 28553 2108 6 the the DT 28553 2108 7 distance distance NN 28553 2108 8 between between IN 28553 2108 9 the the DT 28553 2108 10 optical optical JJ 28553 2108 11 centre centre NN 28553 2108 12 of of IN 28553 2108 13 the the DT 28553 2108 14 lens lens NN 28553 2108 15 and and CC 28553 2108 16 the the DT 28553 2108 17 plane plane NN 28553 2108 18 in in IN 28553 2108 19 which which WDT 28553 2108 20 the the DT 28553 2108 21 image image NN 28553 2108 22 is be VBZ 28553 2108 23 formed form VBN 28553 2108 24 . . . 28553 2109 1 [ [ -LRB- 28553 2109 2 Illustration illustration NN 28553 2109 3 : : : 28553 2109 4 FIG FIG NNP 28553 2109 5 . . . 28553 2110 1 109 109 CD 28553 2110 2 . . . 28553 2110 3 ] ] -RRB- 28553 2111 1 We -PRON- PRP 28553 2111 2 must must MD 28553 2111 3 here here RB 28553 2111 4 digress digress VB 28553 2111 5 a a DT 28553 2111 6 moment moment NN 28553 2111 7 to to TO 28553 2111 8 draw draw VB 28553 2111 9 attention attention NN 28553 2111 10 to to IN 28553 2111 11 the the DT 28553 2111 12 three three CD 28553 2111 13 simple simple JJ 28553 2111 14 diagrams diagram NNS 28553 2111 15 of of IN 28553 2111 16 Fig Fig NNP 28553 2111 17 . . . 28553 2112 1 109 109 CD 28553 2112 2 . . . 28553 2113 1 The the DT 28553 2113 2 object object NN 28553 2113 3 , , , 28553 2113 4 O o UH 28553 2113 5 , , , 28553 2113 6 in in IN 28553 2113 7 each each DT 28553 2113 8 case case NN 28553 2113 9 is be VBZ 28553 2113 10 assumed assume VBN 28553 2113 11 to to TO 28553 2113 12 be be VB 28553 2113 13 to to IN 28553 2113 14 the the DT 28553 2113 15 right right NN 28553 2113 16 of of IN 28553 2113 17 the the DT 28553 2113 18 lens lens NN 28553 2113 19 . . . 28553 2114 1 In in IN 28553 2114 2 the the DT 28553 2114 3 topmost topmost JJS 28553 2114 4 diagram diagram NN 28553 2114 5 the the DT 28553 2114 6 object object NN 28553 2114 7 is be VBZ 28553 2114 8 so so RB 28553 2114 9 far far RB 28553 2114 10 away away RB 28553 2114 11 from from IN 28553 2114 12 the the DT 28553 2114 13 lens lens NN 28553 2114 14 that that WDT 28553 2114 15 all all DT 28553 2114 16 rays ray NNS 28553 2114 17 coming come VBG 28553 2114 18 from from IN 28553 2114 19 a a DT 28553 2114 20 single single JJ 28553 2114 21 point point NN 28553 2114 22 in in IN 28553 2114 23 it -PRON- PRP 28553 2114 24 are be VBP 28553 2114 25 practically practically RB 28553 2114 26 parallel parallel JJ 28553 2114 27 . . . 28553 2115 1 These these DT 28553 2115 2 converge converge VBP 28553 2115 3 to to IN 28553 2115 4 a a DT 28553 2115 5 focus focus NN 28553 2115 6 at at IN 28553 2115 7 F. F. NNP 28553 2115 8 If if IN 28553 2115 9 the the DT 28553 2115 10 distance distance NN 28553 2115 11 between between IN 28553 2115 12 F F NNP 28553 2115 13 and and CC 28553 2115 14 the the DT 28553 2115 15 centre centre NN 28553 2115 16 of of IN 28553 2115 17 the the DT 28553 2115 18 lens lens NN 28553 2115 19 is be VBZ 28553 2115 20 six six CD 28553 2115 21 inches inch NNS 28553 2115 22 , , , 28553 2115 23 we -PRON- PRP 28553 2115 24 say say VBP 28553 2115 25 that that IN 28553 2115 26 the the DT 28553 2115 27 lens lens NN 28553 2115 28 has have VBZ 28553 2115 29 a a DT 28553 2115 30 six six CD 28553 2115 31 - - HYPH 28553 2115 32 inch inch NN 28553 2115 33 focal focal JJ 28553 2115 34 length length NN 28553 2115 35 . . . 28553 2116 1 The the DT 28553 2116 2 focal focal JJ 28553 2116 3 length length NN 28553 2116 4 of of IN 28553 2116 5 a a DT 28553 2116 6 lens lens NN 28553 2116 7 is be VBZ 28553 2116 8 judged judge VBN 28553 2116 9 by by IN 28553 2116 10 the the DT 28553 2116 11 distance distance NN 28553 2116 12 between between IN 28553 2116 13 lens lens NN 28553 2116 14 and and CC 28553 2116 15 image image NN 28553 2116 16 when when WRB 28553 2116 17 the the DT 28553 2116 18 object object NN 28553 2116 19 is be VBZ 28553 2116 20 far far RB 28553 2116 21 away away RB 28553 2116 22 . . . 28553 2117 1 To to TO 28553 2117 2 avoid avoid VB 28553 2117 3 confusion confusion NN 28553 2117 4 , , , 28553 2117 5 this this DT 28553 2117 6 focal focal JJ 28553 2117 7 length length NN 28553 2117 8 is be VBZ 28553 2117 9 known know VBN 28553 2117 10 as as IN 28553 2117 11 the the DT 28553 2117 12 _ _ NNP 28553 2117 13 principal principal NN 28553 2117 14 _ _ NNP 28553 2117 15 focus focus NN 28553 2117 16 , , , 28553 2117 17 and and CC 28553 2117 18 is be VBZ 28553 2117 19 denoted denote VBN 28553 2117 20 by by IN 28553 2117 21 the the DT 28553 2117 22 symbol symbol NN 28553 2117 23 f. f. VBN 28553 2117 24 In in IN 28553 2117 25 the the DT 28553 2117 26 middle middle JJ 28553 2117 27 diagram diagram NNP 28553 2117 28 the the DT 28553 2117 29 object object NN 28553 2117 30 is be VBZ 28553 2117 31 quite quite RB 28553 2117 32 near near IN 28553 2117 33 the the DT 28553 2117 34 lens lens NN 28553 2117 35 , , , 28553 2117 36 which which WDT 28553 2117 37 has have VBZ 28553 2117 38 to to TO 28553 2117 39 deal deal VB 28553 2117 40 with with IN 28553 2117 41 rays ray NNS 28553 2117 42 striking strike VBG 28553 2117 43 its -PRON- PRP$ 28553 2117 44 nearer nearer NN 28553 2117 45 surface surface NN 28553 2117 46 at at IN 28553 2117 47 an an DT 28553 2117 48 acuter acuter NN 28553 2117 49 angle angle NN 28553 2117 50 than than IN 28553 2117 51 before before RB 28553 2117 52 ( ( -LRB- 28553 2117 53 reckoning reckon VBG 28553 2117 54 from from IN 28553 2117 55 the the DT 28553 2117 56 centre centre NN 28553 2117 57 ) ) -RRB- 28553 2117 58 . . . 28553 2118 1 As as IN 28553 2118 2 the the DT 28553 2118 3 lens lens NN 28553 2118 4 can can MD 28553 2118 5 only only RB 28553 2118 6 deflect deflect VB 28553 2118 7 their -PRON- PRP$ 28553 2118 8 path path NN 28553 2118 9 to to IN 28553 2118 10 a a DT 28553 2118 11 fixed fix VBN 28553 2118 12 degree degree NN 28553 2118 13 , , , 28553 2118 14 they -PRON- PRP 28553 2118 15 will will MD 28553 2118 16 not not RB 28553 2118 17 , , , 28553 2118 18 after after IN 28553 2118 19 passing pass VBG 28553 2118 20 the the DT 28553 2118 21 lens lens NN 28553 2118 22 , , , 28553 2118 23 come come VB 28553 2118 24 together together RB 28553 2118 25 until until IN 28553 2118 26 they -PRON- PRP 28553 2118 27 have have VBP 28553 2118 28 reached reach VBN 28553 2118 29 a a DT 28553 2118 30 point point NN 28553 2118 31 , , , 28553 2118 32 F^1 F^1 NNP 28553 2118 33 , , , 28553 2118 34 further further RB 28553 2118 35 from from IN 28553 2118 36 the the DT 28553 2118 37 lens lens NN 28553 2118 38 than than IN 28553 2118 39 F. F. NNP 28553 2118 40 The the DT 28553 2118 41 nearer nearer NN 28553 2118 42 we -PRON- PRP 28553 2118 43 approach approach VBP 28553 2118 44 O o UH 28553 2118 45 to to IN 28553 2118 46 the the DT 28553 2118 47 lens lens NN 28553 2118 48 , , , 28553 2118 49 the the DT 28553 2118 50 further further RB 28553 2118 51 away away RB 28553 2118 52 on on IN 28553 2118 53 the the DT 28553 2118 54 other other JJ 28553 2118 55 side side NN 28553 2118 56 is be VBZ 28553 2118 57 the the DT 28553 2118 58 focal focal JJ 28553 2118 59 point point NN 28553 2118 60 , , , 28553 2118 61 until until IN 28553 2118 62 a a DT 28553 2118 63 distance distance NN 28553 2118 64 equal equal JJ 28553 2118 65 to to IN 28553 2118 66 that that DT 28553 2118 67 of of IN 28553 2118 68 F f NN 28553 2118 69 from from IN 28553 2118 70 the the DT 28553 2118 71 lens lens NN 28553 2118 72 is be VBZ 28553 2118 73 reached reach VBN 28553 2118 74 , , , 28553 2118 75 when when WRB 28553 2118 76 the the DT 28553 2118 77 rays ray NNS 28553 2118 78 emerge emerge VBP 28553 2118 79 from from IN 28553 2118 80 the the DT 28553 2118 81 glass glass NN 28553 2118 82 in in IN 28553 2118 83 a a DT 28553 2118 84 parallel parallel JJ 28553 2118 85 pencil pencil NN 28553 2118 86 . . . 28553 2119 1 The the DT 28553 2119 2 rays ray NNS 28553 2119 3 now now RB 28553 2119 4 come come VBP 28553 2119 5 to to IN 28553 2119 6 a a DT 28553 2119 7 focus focus NN 28553 2119 8 no no RB 28553 2119 9 longer long RBR 28553 2119 10 , , , 28553 2119 11 and and CC 28553 2119 12 there there EX 28553 2119 13 can can MD 28553 2119 14 be be VB 28553 2119 15 no no DT 28553 2119 16 image image NN 28553 2119 17 . . . 28553 2120 1 If if IN 28553 2120 2 O o PRP 28553 2120 3 be be VBP 28553 2120 4 brought bring VBN 28553 2120 5 nearer nearer RB 28553 2120 6 than than IN 28553 2120 7 the the DT 28553 2120 8 focal focal JJ 28553 2120 9 distance distance NN 28553 2120 10 , , , 28553 2120 11 the the DT 28553 2120 12 rays ray NNS 28553 2120 13 would would MD 28553 2120 14 _ _ NNP 28553 2120 15 diverge diverge NN 28553 2120 16 _ _ NNP 28553 2120 17 after after IN 28553 2120 18 passing pass VBG 28553 2120 19 through through IN 28553 2120 20 the the DT 28553 2120 21 lens lens NN 28553 2120 22 . . . 28553 2121 1 RELATIVE relative JJ 28553 2121 2 POSITIONS position NNS 28553 2121 3 OF of IN 28553 2121 4 OBJECT object NN 28553 2121 5 AND and CC 28553 2121 6 IMAGE image NN 28553 2121 7 . . . 28553 2122 1 [ [ -LRB- 28553 2122 2 Illustration illustration NN 28553 2122 3 : : : 28553 2122 4 FIG FIG NNP 28553 2122 5 . . . 28553 2123 1 110.--Showing 110.--showing CD 28553 2123 2 how how WRB 28553 2123 3 the the DT 28553 2123 4 position position NN 28553 2123 5 of of IN 28553 2123 6 the the DT 28553 2123 7 image image NN 28553 2123 8 alters alter NNS 28553 2123 9 relatively relatively RB 28553 2123 10 to to IN 28553 2123 11 the the DT 28553 2123 12 position position NN 28553 2123 13 of of IN 28553 2123 14 the the DT 28553 2123 15 object object NN 28553 2123 16 . . . 28553 2123 17 ] ] -RRB- 28553 2124 1 From from IN 28553 2124 2 what what WP 28553 2124 3 has have VBZ 28553 2124 4 been be VBN 28553 2124 5 said say VBN 28553 2124 6 above above IN 28553 2124 7 we -PRON- PRP 28553 2124 8 deduce deduce VBP 28553 2124 9 two two CD 28553 2124 10 main main JJ 28553 2124 11 conclusions--(1 conclusions--(1 NN 28553 2124 12 . . . 28553 2124 13 ) ) -RRB- 28553 2125 1 The the DT 28553 2125 2 nearer nearer NN 28553 2125 3 an an DT 28553 2125 4 object object NN 28553 2125 5 is be VBZ 28553 2125 6 brought bring VBN 28553 2125 7 to to IN 28553 2125 8 the the DT 28553 2125 9 lens lens NN 28553 2125 10 , , , 28553 2125 11 the the DT 28553 2125 12 further further RB 28553 2125 13 away away RB 28553 2125 14 from from IN 28553 2125 15 the the DT 28553 2125 16 lens lens NN 28553 2125 17 will will MD 28553 2125 18 the the DT 28553 2125 19 image image NN 28553 2125 20 be be VB 28553 2125 21 . . . 28553 2126 1 ( ( -LRB- 28553 2126 2 2 2 CD 28553 2126 3 . . . 28553 2126 4 ) ) -RRB- 28553 2127 1 If if IN 28553 2127 2 the the DT 28553 2127 3 object object NN 28553 2127 4 approaches approach VBZ 28553 2127 5 within within IN 28553 2127 6 the the DT 28553 2127 7 principal principal JJ 28553 2127 8 focal focal JJ 28553 2127 9 distance distance NN 28553 2127 10 of of IN 28553 2127 11 the the DT 28553 2127 12 lens lens NN 28553 2127 13 , , , 28553 2127 14 no no DT 28553 2127 15 image image NN 28553 2127 16 will will MD 28553 2127 17 be be VB 28553 2127 18 cast cast VBN 28553 2127 19 by by IN 28553 2127 20 the the DT 28553 2127 21 lens lens NN 28553 2127 22 . . . 28553 2128 1 To to TO 28553 2128 2 make make VB 28553 2128 3 this this DT 28553 2128 4 plainer plainer NN 28553 2128 5 we -PRON- PRP 28553 2128 6 append append VBP 28553 2128 7 a a DT 28553 2128 8 diagram diagram NN 28553 2128 9 ( ( -LRB- 28553 2128 10 Fig fig NN 28553 2128 11 . . . 28553 2129 1 110 110 CD 28553 2129 2 ) ) -RRB- 28553 2129 3 , , , 28553 2129 4 which which WDT 28553 2129 5 shows show VBZ 28553 2129 6 five five CD 28553 2129 7 positions position NNS 28553 2129 8 of of IN 28553 2129 9 an an DT 28553 2129 10 object object NN 28553 2129 11 and and CC 28553 2129 12 the the DT 28553 2129 13 relative relative JJ 28553 2129 14 positions position NNS 28553 2129 15 of of IN 28553 2129 16 the the DT 28553 2129 17 image image NN 28553 2129 18 ( ( -LRB- 28553 2129 19 in in IN 28553 2129 20 dotted dotted JJ 28553 2129 21 lines line NNS 28553 2129 22 ) ) -RRB- 28553 2129 23 . . . 28553 2130 1 First first RB 28553 2130 2 , , , 28553 2130 3 we -PRON- PRP 28553 2130 4 note note VBP 28553 2130 5 that that IN 28553 2130 6 the the DT 28553 2130 7 line line NN 28553 2130 8 A a NN 28553 2130 9 B b NN 28553 2130 10 , , , 28553 2130 11 or or CC 28553 2130 12 A a DT 28553 2130 13 B^1 B^1 NNP 28553 2130 14 , , , 28553 2130 15 denotes denote VBZ 28553 2130 16 the the DT 28553 2130 17 principal principal JJ 28553 2130 18 focal focal JJ 28553 2130 19 length length NN 28553 2130 20 of of IN 28553 2130 21 the the DT 28553 2130 22 lens lens NN 28553 2130 23 , , , 28553 2130 24 and and CC 28553 2130 25 A a DT 28553 2130 26 C c NN 28553 2130 27 , , , 28553 2130 28 or or CC 28553 2130 29 A a DT 28553 2130 30 C^1 C^1 NNP 28553 2130 31 , , , 28553 2130 32 denotes denote VBZ 28553 2130 33 twice twice PDT 28553 2130 34 the the DT 28553 2130 35 focal focal JJ 28553 2130 36 length length NN 28553 2130 37 . . . 28553 2131 1 We -PRON- PRP 28553 2131 2 will will MD 28553 2131 3 take take VB 28553 2131 4 the the DT 28553 2131 5 positions position NNS 28553 2131 6 in in IN 28553 2131 7 order:-- order:-- `` 28553 2131 8 _ _ NNP 28553 2131 9 Position Position NNP 28553 2131 10 I. I. NNP 28553 2131 11 _ _ NNP 28553 2131 12 Object Object NNP 28553 2131 13 further further RB 28553 2131 14 away away RB 28553 2131 15 than than IN 28553 2131 16 2_f 2_f CD 28553 2131 17 _ _ NNP 28553 2131 18 . . . 28553 2132 1 Inverted invert VBN 28553 2132 2 image image NN 28553 2132 3 _ _ NNP 28553 2132 4 smaller small JJR 28553 2132 5 _ _ NNP 28553 2132 6 than than IN 28553 2132 7 object object NN 28553 2132 8 , , , 28553 2132 9 at at IN 28553 2132 10 distance distance NN 28553 2132 11 somewhat somewhat RB 28553 2132 12 exceeding exceed VBG 28553 2132 13 _ _ NNP 28553 2132 14 f f NNP 28553 2132 15 _ _ NNP 28553 2132 16 . . . 28553 2133 1 _ _ NNP 28553 2133 2 Position Position NNP 28553 2133 3 II II NNP 28553 2133 4 . . . 28553 2133 5 _ _ NNP 28553 2133 6 Object Object NNP 28553 2133 7 at at IN 28553 2133 8 distance distance NN 28553 2133 9 = = SYM 28553 2133 10 2_f 2_f CD 28553 2133 11 _ _ NNP 28553 2133 12 . . . 28553 2134 1 Inverted invert VBN 28553 2134 2 image image NN 28553 2134 3 at at IN 28553 2134 4 distance distance NN 28553 2134 5 = = SYM 28553 2134 6 2_f 2_f CD 28553 2134 7 _ _ NNP 28553 2134 8 , , , 28553 2134 9 and and CC 28553 2134 10 of of IN 28553 2134 11 size size NN 28553 2134 12 equal equal JJ 28553 2134 13 to to IN 28553 2134 14 that that DT 28553 2134 15 of of IN 28553 2134 16 object object NN 28553 2134 17 . . . 28553 2135 1 _ _ NNP 28553 2135 2 Position Position NNP 28553 2135 3 III III NNP 28553 2135 4 _ _ NNP 28553 2135 5 Object Object NNP 28553 2135 6 nearer near RBR 28553 2135 7 than than IN 28553 2135 8 2_f 2_f CD 28553 2135 9 _ _ NNP 28553 2135 10 . . . 28553 2136 1 Inverted invert VBN 28553 2136 2 image image NN 28553 2136 3 further further RB 28553 2136 4 away away RB 28553 2136 5 than than IN 28553 2136 6 2_f 2_f CD 28553 2136 7 _ _ NNP 28553 2136 8 ; ; : 28553 2136 9 _ _ NNP 28553 2136 10 larger large JJR 28553 2136 11 _ _ NNP 28553 2136 12 than than IN 28553 2136 13 the the DT 28553 2136 14 object object NN 28553 2136 15 . . . 28553 2137 1 _ _ NNP 28553 2137 2 Position Position NNP 28553 2137 3 IV IV NNP 28553 2137 4 . . . 28553 2137 5 _ _ NNP 28553 2137 6 Object Object NNP 28553 2137 7 at at IN 28553 2137 8 distance distance NN 28553 2137 9 = = SYM 28553 2137 10 _ _ NNP 28553 2137 11 f f NNP 28553 2137 12 _ _ NNP 28553 2137 13 . . . 28553 2138 1 As as IN 28553 2138 2 rays ray NNS 28553 2138 3 are be VBP 28553 2138 4 parallel parallel JJ 28553 2138 5 after after IN 28553 2138 6 passing pass VBG 28553 2138 7 the the DT 28553 2138 8 lens lens NN 28553 2138 9 _ _ NNP 28553 2138 10 no no DT 28553 2138 11 _ _ NNP 28553 2138 12 image image NN 28553 2138 13 is be VBZ 28553 2138 14 cast cast VBN 28553 2138 15 . . . 28553 2139 1 _ _ NNP 28553 2139 2 Position Position NNP 28553 2139 3 V. V. NNP 28553 2139 4 _ _ NNP 28553 2139 5 Object Object NNP 28553 2139 6 at at IN 28553 2139 7 distance distance NN 28553 2139 8 less less JJR 28553 2139 9 than than IN 28553 2139 10 _ _ NNP 28553 2139 11 f f NNP 28553 2139 12 _ _ NNP 28553 2139 13 . . . 28553 2140 1 No no DT 28553 2140 2 real real JJ 28553 2140 3 image image NN 28553 2140 4 -- -- : 28553 2140 5 that that RB 28553 2140 6 is is RB 28553 2140 7 , , , 28553 2140 8 one one CD 28553 2140 9 that that WDT 28553 2140 10 can can MD 28553 2140 11 be be VB 28553 2140 12 caught catch VBN 28553 2140 13 on on IN 28553 2140 14 a a DT 28553 2140 15 focussing focussing NN 28553 2140 16 screen screen NN 28553 2140 17 -- -- : 28553 2140 18 is be VBZ 28553 2140 19 now now RB 28553 2140 20 given give VBN 28553 2140 21 by by IN 28553 2140 22 the the DT 28553 2140 23 lens lens NN 28553 2140 24 , , , 28553 2140 25 but but CC 28553 2140 26 a a DT 28553 2140 27 magnified magnify VBN 28553 2140 28 , , , 28553 2140 29 erect erect NN 28553 2140 30 , , , 28553 2140 31 _ _ NNP 28553 2140 32 virtual virtual JJ 28553 2140 33 _ _ NNP 28553 2140 34 image image NN 28553 2140 35 exists exist VBZ 28553 2140 36 on on IN 28553 2140 37 the the DT 28553 2140 38 same same JJ 28553 2140 39 side side NN 28553 2140 40 of of IN 28553 2140 41 the the DT 28553 2140 42 lens lens NN 28553 2140 43 as as IN 28553 2140 44 the the DT 28553 2140 45 object object NN 28553 2140 46 . . . 28553 2141 1 We -PRON- PRP 28553 2141 2 shall shall MD 28553 2141 3 refer refer VB 28553 2141 4 to to IN 28553 2141 5 _ _ NNP 28553 2141 6 virtual virtual JJ 28553 2141 7 _ _ NNP 28553 2141 8 images image NNS 28553 2141 9 at at IN 28553 2141 10 greater great JJR 28553 2141 11 length length NN 28553 2141 12 presently presently RB 28553 2141 13 . . . 28553 2142 1 It -PRON- PRP 28553 2142 2 is be VBZ 28553 2142 3 hoped hope VBN 28553 2142 4 that that IN 28553 2142 5 any any DT 28553 2142 6 reader reader NN 28553 2142 7 who who WP 28553 2142 8 practises practise VBZ 28553 2142 9 photography photography NN 28553 2142 10 will will MD 28553 2142 11 now now RB 28553 2142 12 understand understand VB 28553 2142 13 why why WRB 28553 2142 14 it -PRON- PRP 28553 2142 15 is be VBZ 28553 2142 16 necessary necessary JJ 28553 2142 17 to to TO 28553 2142 18 rack rack VB 28553 2142 19 his -PRON- PRP$ 28553 2142 20 camera camera NN 28553 2142 21 out out RP 28553 2142 22 beyond beyond IN 28553 2142 23 the the DT 28553 2142 24 ordinary ordinary JJ 28553 2142 25 focal focal JJ 28553 2142 26 distance distance NN 28553 2142 27 when when WRB 28553 2142 28 taking take VBG 28553 2142 29 objects object NNS 28553 2142 30 at at IN 28553 2142 31 close close JJ 28553 2142 32 quarters quarter NNS 28553 2142 33 . . . 28553 2143 1 From from IN 28553 2143 2 Fig Fig NNP 28553 2143 3 . . . 28553 2144 1 110 110 CD 28553 2144 2 he -PRON- PRP 28553 2144 3 may may MD 28553 2144 4 gather gather VB 28553 2144 5 one one CD 28553 2144 6 practically practically RB 28553 2144 7 useful useful JJ 28553 2144 8 hint hint NN 28553 2144 9 -- -- : 28553 2144 10 namely namely RB 28553 2144 11 , , , 28553 2144 12 that that DT 28553 2144 13 to to TO 28553 2144 14 copy copy VB 28553 2144 15 a a DT 28553 2144 16 diagram diagram NN 28553 2144 17 , , , 28553 2144 18 etc etc FW 28553 2144 19 . . FW 28553 2144 20 , , , 28553 2144 21 full full JJ 28553 2144 22 size size NN 28553 2144 23 , , , 28553 2144 24 both both CC 28553 2144 25 it -PRON- PRP 28553 2144 26 and and CC 28553 2144 27 the the DT 28553 2144 28 plate plate NN 28553 2144 29 must must MD 28553 2144 30 be be VB 28553 2144 31 exactly exactly RB 28553 2144 32 2_f 2_f CD 28553 2144 33 _ _ NNP 28553 2144 34 from from IN 28553 2144 35 the the DT 28553 2144 36 optical optical JJ 28553 2144 37 centre centre NN 28553 2144 38 of of IN 28553 2144 39 the the DT 28553 2144 40 lens lens NN 28553 2144 41 . . . 28553 2145 1 And and CC 28553 2145 2 it -PRON- PRP 28553 2145 3 follows follow VBZ 28553 2145 4 from from IN 28553 2145 5 this this DT 28553 2145 6 that that IN 28553 2145 7 the the DT 28553 2145 8 further further NN 28553 2145 9 he -PRON- PRP 28553 2145 10 can can MD 28553 2145 11 rack rack VB 28553 2145 12 his -PRON- PRP$ 28553 2145 13 camera camera NN 28553 2145 14 out out RP 28553 2145 15 beyond beyond IN 28553 2145 16 2_f 2_f CD 28553 2145 17 _ _ IN 28553 2145 18 the the DT 28553 2145 19 greater great JJR 28553 2145 20 will will MD 28553 2145 21 be be VB 28553 2145 22 the the DT 28553 2145 23 possible possible JJ 28553 2145 24 enlargement enlargement NN 28553 2145 25 of of IN 28553 2145 26 the the DT 28553 2145 27 original original NN 28553 2145 28 . . . 28553 2146 1 CORRECTION correction NN 28553 2146 2 OF of IN 28553 2146 3 LENSES lense NNS 28553 2146 4 FOR for IN 28553 2146 5 COLOUR COLOUR NNS 28553 2146 6 . . . 28553 2147 1 We -PRON- PRP 28553 2147 2 have have VBP 28553 2147 3 referred refer VBN 28553 2147 4 to to IN 28553 2147 5 the the DT 28553 2147 6 separation separation NN 28553 2147 7 of of IN 28553 2147 8 the the DT 28553 2147 9 spectrum spectrum NNP 28553 2147 10 colours colour NNS 28553 2147 11 of of IN 28553 2147 12 white white JJ 28553 2147 13 light light NN 28553 2147 14 by by IN 28553 2147 15 a a DT 28553 2147 16 prism prism NN 28553 2147 17 . . . 28553 2148 1 Now now RB 28553 2148 2 , , , 28553 2148 3 a a DT 28553 2148 4 lens lens NN 28553 2148 5 is be VBZ 28553 2148 6 one one CD 28553 2148 7 form form NN 28553 2148 8 of of IN 28553 2148 9 prism prism NN 28553 2148 10 , , , 28553 2148 11 and and CC 28553 2148 12 therefore therefore RB 28553 2148 13 sorts sort VBZ 28553 2148 14 out out RP 28553 2148 15 the the DT 28553 2148 16 colours colour NNS 28553 2148 17 . . . 28553 2149 1 In in IN 28553 2149 2 Fig Fig NNP 28553 2149 3 . . . 28553 2150 1 111 111 CD 28553 2150 2 we -PRON- PRP 28553 2150 3 assume assume VBP 28553 2150 4 that that IN 28553 2150 5 two two CD 28553 2150 6 parallel parallel JJ 28553 2150 7 red red JJ 28553 2150 8 rays ray NNS 28553 2150 9 and and CC 28553 2150 10 two two CD 28553 2150 11 parallel parallel JJ 28553 2150 12 violet violet NN 28553 2150 13 rays ray NNS 28553 2150 14 from from IN 28553 2150 15 a a DT 28553 2150 16 distant distant JJ 28553 2150 17 object object NN 28553 2150 18 pass pass VB 28553 2150 19 through through IN 28553 2150 20 a a DT 28553 2150 21 lens lens NN 28553 2150 22 . . . 28553 2151 1 A a DT 28553 2151 2 lens lens NN 28553 2151 3 has have VBZ 28553 2151 4 most most RBS 28553 2151 5 bending bend VBG 28553 2151 6 effect effect NN 28553 2151 7 on on IN 28553 2151 8 violet violet NN 28553 2151 9 rays ray NNS 28553 2151 10 and and CC 28553 2151 11 least least JJS 28553 2151 12 on on IN 28553 2151 13 red red JJ 28553 2151 14 , , , 28553 2151 15 and and CC 28553 2151 16 the the DT 28553 2151 17 other other JJ 28553 2151 18 colours colour NNS 28553 2151 19 of of IN 28553 2151 20 the the DT 28553 2151 21 spectrum spectrum NN 28553 2151 22 are be VBP 28553 2151 23 intermediately intermediately RB 28553 2151 24 influenced influence VBN 28553 2151 25 . . . 28553 2152 1 For for IN 28553 2152 2 the the DT 28553 2152 3 sake sake NN 28553 2152 4 of of IN 28553 2152 5 simplicity simplicity NN 28553 2152 6 we -PRON- PRP 28553 2152 7 have have VBP 28553 2152 8 taken take VBN 28553 2152 9 the the DT 28553 2152 10 two two CD 28553 2152 11 extremes extreme NNS 28553 2152 12 only only RB 28553 2152 13 . . . 28553 2153 1 You -PRON- PRP 28553 2153 2 observe observe VBP 28553 2153 3 that that IN 28553 2153 4 the the DT 28553 2153 5 point point NN 28553 2153 6 R r NN 28553 2153 7 , , , 28553 2153 8 in in IN 28553 2153 9 which which WDT 28553 2153 10 the the DT 28553 2153 11 red red JJ 28553 2153 12 rays ray NNS 28553 2153 13 meet meet VBP 28553 2153 14 , , , 28553 2153 15 is be VBZ 28553 2153 16 much much RB 28553 2153 17 further further RB 28553 2153 18 from from IN 28553 2153 19 the the DT 28553 2153 20 lens lens NN 28553 2153 21 than than IN 28553 2153 22 is be VBZ 28553 2153 23 V v NN 28553 2153 24 , , , 28553 2153 25 the the DT 28553 2153 26 meeting meeting NN 28553 2153 27 - - HYPH 28553 2153 28 point point NN 28553 2153 29 of of IN 28553 2153 30 the the DT 28553 2153 31 violet violet NN 28553 2153 32 rays ray NNS 28553 2153 33 . . . 28553 2154 1 A a DT 28553 2154 2 photographer photographer NN 28553 2154 3 very very RB 28553 2154 4 seldom seldom RB 28553 2154 5 has have VBZ 28553 2154 6 to to TO 28553 2154 7 take take VB 28553 2154 8 a a DT 28553 2154 9 subject subject NN 28553 2154 10 in in IN 28553 2154 11 which which WDT 28553 2154 12 there there EX 28553 2154 13 are be VBP 28553 2154 14 not not RB 28553 2154 15 objects object NNS 28553 2154 16 of of IN 28553 2154 17 several several JJ 28553 2154 18 different different JJ 28553 2154 19 colours colour NNS 28553 2154 20 , , , 28553 2154 21 and and CC 28553 2154 22 it -PRON- PRP 28553 2154 23 is be VBZ 28553 2154 24 obvious obvious JJ 28553 2154 25 that that IN 28553 2154 26 if if IN 28553 2154 27 he -PRON- PRP 28553 2154 28 used use VBD 28553 2154 29 a a DT 28553 2154 30 simple simple JJ 28553 2154 31 lens lens NN 28553 2154 32 like like IN 28553 2154 33 that that DT 28553 2154 34 in in IN 28553 2154 35 Fig Fig NNP 28553 2154 36 . . . 28553 2155 1 111 111 CD 28553 2155 2 and and CC 28553 2155 3 got get VBD 28553 2155 4 his -PRON- PRP$ 28553 2155 5 red red JJ 28553 2155 6 objects object NNS 28553 2155 7 in in IN 28553 2155 8 good good JJ 28553 2155 9 focus focus NN 28553 2155 10 , , , 28553 2155 11 the the DT 28553 2155 12 blue blue JJ 28553 2155 13 and and CC 28553 2155 14 green green JJ 28553 2155 15 portions portion NNS 28553 2155 16 of of IN 28553 2155 17 his -PRON- PRP$ 28553 2155 18 picture picture NN 28553 2155 19 would would MD 28553 2155 20 necessarily necessarily RB 28553 2155 21 be be VB 28553 2155 22 more more RBR 28553 2155 23 or or CC 28553 2155 24 less less JJR 28553 2155 25 out out IN 28553 2155 26 of of IN 28553 2155 27 focus focus NN 28553 2155 28 . . . 28553 2156 1 [ [ -LRB- 28553 2156 2 Illustration illustration NN 28553 2156 3 : : : 28553 2156 4 FIG FIG NNP 28553 2156 5 . . . 28553 2157 1 111 111 CD 28553 2157 2 . . . 28553 2157 3 ] ] -RRB- 28553 2158 1 [ [ -LRB- 28553 2158 2 Illustration illustration NN 28553 2158 3 : : : 28553 2158 4 FIG FIG NNP 28553 2158 5 . . . 28553 2159 1 112 112 CD 28553 2159 2 . . . 28553 2159 3 ] ] -RRB- 28553 2160 1 This this DT 28553 2160 2 defect defect NN 28553 2160 3 can can MD 28553 2160 4 fortunately fortunately RB 28553 2160 5 be be VB 28553 2160 6 corrected correct VBN 28553 2160 7 by by IN 28553 2160 8 the the DT 28553 2160 9 method method NN 28553 2160 10 shown show VBN 28553 2160 11 in in IN 28553 2160 12 Fig Fig NNP 28553 2160 13 . . . 28553 2161 1 112 112 CD 28553 2161 2 . . . 28553 2162 1 A a DT 28553 2162 2 _ _ NNP 28553 2162 3 compound compound NN 28553 2162 4 _ _ NNP 28553 2162 5 lens lens NN 28553 2162 6 is be VBZ 28553 2162 7 needed need VBN 28553 2162 8 , , , 28553 2162 9 made make VBN 28553 2162 10 up up RP 28553 2162 11 of of IN 28553 2162 12 a a DT 28553 2162 13 _ _ NNP 28553 2162 14 crown crown NN 28553 2162 15 _ _ NNP 28553 2162 16 glass glass NN 28553 2162 17 convex convex NNP 28553 2162 18 element element NN 28553 2162 19 , , , 28553 2162 20 B b NN 28553 2162 21 , , , 28553 2162 22 and and CC 28553 2162 23 a a DT 28553 2162 24 concave concave NNP 28553 2162 25 element element NN 28553 2162 26 , , , 28553 2162 27 A A NNP 28553 2162 28 , , , 28553 2162 29 of of IN 28553 2162 30 _ _ NNP 28553 2162 31 flint flint NN 28553 2162 32 _ _ NNP 28553 2162 33 glass glass NN 28553 2162 34 . . . 28553 2163 1 For for IN 28553 2163 2 the the DT 28553 2163 3 sake sake NN 28553 2163 4 of of IN 28553 2163 5 illustration illustration NN 28553 2163 6 the the DT 28553 2163 7 two two CD 28553 2163 8 parts part NNS 28553 2163 9 are be VBP 28553 2163 10 shown show VBN 28553 2163 11 separated separate VBN 28553 2163 12 ; ; : 28553 2163 13 in in IN 28553 2163 14 practice practice NN 28553 2163 15 they -PRON- PRP 28553 2163 16 would would MD 28553 2163 17 be be VB 28553 2163 18 cemented cement VBN 28553 2163 19 together together RB 28553 2163 20 , , , 28553 2163 21 forming form VBG 28553 2163 22 one one CD 28553 2163 23 optical optical JJ 28553 2163 24 body body NN 28553 2163 25 , , , 28553 2163 26 thicker thick JJR 28553 2163 27 in in IN 28553 2163 28 the the DT 28553 2163 29 centre centre NN 28553 2163 30 than than IN 28553 2163 31 at at IN 28553 2163 32 the the DT 28553 2163 33 edges edge NNS 28553 2163 34 -- -- : 28553 2163 35 a a DT 28553 2163 36 meniscus meniscus JJ 28553 2163 37 lens lens NN 28553 2163 38 in in IN 28553 2163 39 fact fact NN 28553 2163 40 , , , 28553 2163 41 since since IN 28553 2163 42 A a DT 28553 2163 43 is be VBZ 28553 2163 44 not not RB 28553 2163 45 so so RB 28553 2163 46 concave concave JJ 28553 2163 47 as as IN 28553 2163 48 B B NNP 28553 2163 49 is be VBZ 28553 2163 50 convex convex NNP 28553 2163 51 . . . 28553 2164 1 Now now RB 28553 2164 2 , , , 28553 2164 3 it -PRON- PRP 28553 2164 4 was be VBD 28553 2164 5 discovered discover VBN 28553 2164 6 by by IN 28553 2164 7 a a DT 28553 2164 8 Mr. Mr. NNP 28553 2164 9 Hall Hall NNP 28553 2164 10 many many JJ 28553 2164 11 years year NNS 28553 2164 12 ago ago RB 28553 2164 13 that that IN 28553 2164 14 if if IN 28553 2164 15 white white JJ 28553 2164 16 light light NN 28553 2164 17 passed pass VBD 28553 2164 18 through through IN 28553 2164 19 two two CD 28553 2164 20 similar similar JJ 28553 2164 21 prisms prism NNS 28553 2164 22 , , , 28553 2164 23 one one CD 28553 2164 24 of of IN 28553 2164 25 flint flint NN 28553 2164 26 glass glass NN 28553 2164 27 the the DT 28553 2164 28 other other JJ 28553 2164 29 of of IN 28553 2164 30 crown crown NN 28553 2164 31 glass glass NN 28553 2164 32 , , , 28553 2164 33 the the DT 28553 2164 34 former former JJ 28553 2164 35 had have VBD 28553 2164 36 the the DT 28553 2164 37 greater great JJR 28553 2164 38 effect effect NN 28553 2164 39 in in IN 28553 2164 40 separating separate VBG 28553 2164 41 the the DT 28553 2164 42 spectrum spectrum NN 28553 2164 43 colours colour NNS 28553 2164 44 -- -- : 28553 2164 45 that that RB 28553 2164 46 is is RB 28553 2164 47 , , , 28553 2164 48 violet violet NN 28553 2164 49 rays ray NNS 28553 2164 50 were be VBD 28553 2164 51 bent bent JJ 28553 2164 52 aside aside RB 28553 2164 53 more more RBR 28553 2164 54 suddenly suddenly RB 28553 2164 55 compared compare VBN 28553 2164 56 with with IN 28553 2164 57 the the DT 28553 2164 58 red red JJ 28553 2164 59 rays ray NNS 28553 2164 60 than than IN 28553 2164 61 happened happen VBD 28553 2164 62 with with IN 28553 2164 63 the the DT 28553 2164 64 crown crown JJ 28553 2164 65 - - HYPH 28553 2164 66 glass glass NN 28553 2164 67 prism prism NN 28553 2164 68 . . . 28553 2165 1 Look look VB 28553 2165 2 at at IN 28553 2165 3 Fig Fig NNP 28553 2165 4 . . . 28553 2166 1 112 112 CD 28553 2166 2 . . . 28553 2167 1 The the DT 28553 2167 2 red red JJ 28553 2167 3 rays ray NNS 28553 2167 4 passing pass VBG 28553 2167 5 through through IN 28553 2167 6 the the DT 28553 2167 7 flint flint NN 28553 2167 8 glass glass NN 28553 2167 9 are be VBP 28553 2167 10 but but CC 28553 2167 11 little little JJ 28553 2167 12 deflected deflected JJ 28553 2167 13 , , , 28553 2167 14 while while IN 28553 2167 15 the the DT 28553 2167 16 violet violet NN 28553 2167 17 rays ray NNS 28553 2167 18 turn turn VBP 28553 2167 19 suddenly suddenly RB 28553 2167 20 outwards outward NNS 28553 2167 21 . . . 28553 2168 1 This this DT 28553 2168 2 is be VBZ 28553 2168 3 just just RB 28553 2168 4 what what WP 28553 2168 5 is be VBZ 28553 2168 6 wanted want VBN 28553 2168 7 , , , 28553 2168 8 for for IN 28553 2168 9 it -PRON- PRP 28553 2168 10 counteracts counteract VBZ 28553 2168 11 the the DT 28553 2168 12 unequal unequal JJ 28553 2168 13 inward inward JJ 28553 2168 14 refraction refraction NN 28553 2168 15 by by IN 28553 2168 16 B b NN 28553 2168 17 , , , 28553 2168 18 and and CC 28553 2168 19 both both DT 28553 2168 20 sets set NNS 28553 2168 21 of of IN 28553 2168 22 rays ray NNS 28553 2168 23 come come VBP 28553 2168 24 to to IN 28553 2168 25 a a DT 28553 2168 26 focus focus NN 28553 2168 27 in in IN 28553 2168 28 the the DT 28553 2168 29 same same JJ 28553 2168 30 plane plane NN 28553 2168 31 . . . 28553 2169 1 Such such PDT 28553 2169 2 a a DT 28553 2169 3 lens lens NN 28553 2169 4 is be VBZ 28553 2169 5 called call VBN 28553 2169 6 _ _ NNP 28553 2169 7 achromatic achromatic JJ 28553 2169 8 _ _ NNP 28553 2169 9 , , , 28553 2169 10 or or CC 28553 2169 11 colourless colourless NN 28553 2169 12 . . . 28553 2170 1 If if IN 28553 2170 2 you -PRON- PRP 28553 2170 3 hold hold VBP 28553 2170 4 a a DT 28553 2170 5 common common JJ 28553 2170 6 reading reading NN 28553 2170 7 - - HYPH 28553 2170 8 glass glass NN 28553 2170 9 some some DT 28553 2170 10 distance distance NN 28553 2170 11 away away RB 28553 2170 12 from from IN 28553 2170 13 large large JJ 28553 2170 14 print print NN 28553 2170 15 you -PRON- PRP 28553 2170 16 will will MD 28553 2170 17 see see VB 28553 2170 18 that that IN 28553 2170 19 the the DT 28553 2170 20 letters letter NNS 28553 2170 21 are be VBP 28553 2170 22 edged edge VBN 28553 2170 23 with with IN 28553 2170 24 coloured coloured JJ 28553 2170 25 bands band NNS 28553 2170 26 , , , 28553 2170 27 proving prove VBG 28553 2170 28 that that IN 28553 2170 29 the the DT 28553 2170 30 lens lens NN 28553 2170 31 is be VBZ 28553 2170 32 not not RB 28553 2170 33 achromatic achromatic JJ 28553 2170 34 . . . 28553 2171 1 A a DT 28553 2171 2 properly properly RB 28553 2171 3 corrected correct VBN 28553 2171 4 photographic photographic JJ 28553 2171 5 lens lens NN 28553 2171 6 would would MD 28553 2171 7 not not RB 28553 2171 8 show show VB 28553 2171 9 these these DT 28553 2171 10 pretty pretty JJ 28553 2171 11 edgings edging NNS 28553 2171 12 . . . 28553 2172 1 Colour colour NN 28553 2172 2 correction correction NN 28553 2172 3 is be VBZ 28553 2172 4 necessary necessary JJ 28553 2172 5 also also RB 28553 2172 6 for for IN 28553 2172 7 lenses lense NNS 28553 2172 8 used use VBN 28553 2172 9 in in IN 28553 2172 10 telescopes telescope NNS 28553 2172 11 and and CC 28553 2172 12 microscopes microscope NNS 28553 2172 13 . . . 28553 2173 1 SPHERICAL SPHERICAL NNP 28553 2173 2 ABERRATION ABERRATION NNP 28553 2173 3 . . . 28553 2174 1 A a DT 28553 2174 2 lens lens NN 28553 2174 3 which which WDT 28553 2174 4 has have VBZ 28553 2174 5 been be VBN 28553 2174 6 corrected correct VBN 28553 2174 7 for for IN 28553 2174 8 colour colour NN 28553 2174 9 is be VBZ 28553 2174 10 still still RB 28553 2174 11 imperfect imperfect JJ 28553 2174 12 . . . 28553 2175 1 If if IN 28553 2175 2 rays ray NNS 28553 2175 3 pass pass VBP 28553 2175 4 through through IN 28553 2175 5 all all DT 28553 2175 6 parts part NNS 28553 2175 7 of of IN 28553 2175 8 it -PRON- PRP 28553 2175 9 , , , 28553 2175 10 those those DT 28553 2175 11 which which WDT 28553 2175 12 strike strike VBP 28553 2175 13 it -PRON- PRP 28553 2175 14 near near IN 28553 2175 15 the the DT 28553 2175 16 edge edge NN 28553 2175 17 will will MD 28553 2175 18 be be VB 28553 2175 19 refracted refract VBN 28553 2175 20 more more JJR 28553 2175 21 than than IN 28553 2175 22 those those DT 28553 2175 23 near near IN 28553 2175 24 the the DT 28553 2175 25 centre centre NN 28553 2175 26 , , , 28553 2175 27 and and CC 28553 2175 28 a a DT 28553 2175 29 blurred blurred JJ 28553 2175 30 focus focus NN 28553 2175 31 results result NNS 28553 2175 32 . . . 28553 2176 1 This this DT 28553 2176 2 is be VBZ 28553 2176 3 termed term VBN 28553 2176 4 _ _ NNP 28553 2176 5 spherical spherical JJ 28553 2176 6 aberration aberration NN 28553 2176 7 _ _ NNP 28553 2176 8 . . . 28553 2177 1 You -PRON- PRP 28553 2177 2 will will MD 28553 2177 3 be be VB 28553 2177 4 able able JJ 28553 2177 5 to to TO 28553 2177 6 understand understand VB 28553 2177 7 the the DT 28553 2177 8 reason reason NN 28553 2177 9 from from IN 28553 2177 10 Figs Figs NNP 28553 2177 11 . . . 28553 2178 1 113 113 CD 28553 2178 2 and and CC 28553 2178 3 114 114 CD 28553 2178 4 . . . 28553 2179 1 Two two CD 28553 2179 2 rays ray NNS 28553 2179 3 , , , 28553 2179 4 A a NN 28553 2179 5 , , , 28553 2179 6 are be VBP 28553 2179 7 parallel parallel JJ 28553 2179 8 to to IN 28553 2179 9 the the DT 28553 2179 10 axis axi NNS 28553 2179 11 and and CC 28553 2179 12 enter enter VB 28553 2179 13 the the DT 28553 2179 14 lens lens NN 28553 2179 15 near near IN 28553 2179 16 the the DT 28553 2179 17 centre centre NN 28553 2179 18 ( ( -LRB- 28553 2179 19 Fig fig NN 28553 2179 20 . . . 28553 2180 1 113 113 CD 28553 2180 2 ) ) -RRB- 28553 2180 3 . . . 28553 2181 1 These these DT 28553 2181 2 meet meet VBP 28553 2181 3 in in IN 28553 2181 4 one one CD 28553 2181 5 plane plane NN 28553 2181 6 . . . 28553 2182 1 Two two CD 28553 2182 2 other other JJ 28553 2182 3 rays ray NNS 28553 2182 4 , , , 28553 2182 5 B b NN 28553 2182 6 , , , 28553 2182 7 strike strike VB 28553 2182 8 the the DT 28553 2182 9 lens lens NN 28553 2182 10 very very RB 28553 2182 11 obliquely obliquely RB 28553 2182 12 near near IN 28553 2182 13 the the DT 28553 2182 14 edge edge NN 28553 2182 15 , , , 28553 2182 16 and and CC 28553 2182 17 on on IN 28553 2182 18 that that DT 28553 2182 19 account account NN 28553 2182 20 are be VBP 28553 2182 21 both both DT 28553 2182 22 turned turn VBN 28553 2182 23 sharply sharply RB 28553 2182 24 upwards upwards RB 28553 2182 25 , , , 28553 2182 26 coming come VBG 28553 2182 27 to to IN 28553 2182 28 a a DT 28553 2182 29 focus focus NN 28553 2182 30 in in IN 28553 2182 31 a a DT 28553 2182 32 plane plane NN 28553 2182 33 nearer near RBR 28553 2182 34 the the DT 28553 2182 35 lens lens NN 28553 2182 36 than than IN 28553 2182 37 A. a. NN 28553 2183 1 If if IN 28553 2183 2 this this DT 28553 2183 3 happened happen VBD 28553 2183 4 in in IN 28553 2183 5 a a DT 28553 2183 6 camera camera NN 28553 2183 7 the the DT 28553 2183 8 results result NNS 28553 2183 9 would would MD 28553 2183 10 be be VB 28553 2183 11 very very RB 28553 2183 12 bad bad JJ 28553 2183 13 . . . 28553 2184 1 Either either CC 28553 2184 2 A a NN 28553 2184 3 or or CC 28553 2184 4 B b NN 28553 2184 5 would would MD 28553 2184 6 be be VB 28553 2184 7 out out IN 28553 2184 8 of of IN 28553 2184 9 focus focus NN 28553 2184 10 . . . 28553 2185 1 The the DT 28553 2185 2 trouble trouble NN 28553 2185 3 is be VBZ 28553 2185 4 minimized minimize VBN 28553 2185 5 by by IN 28553 2185 6 placing place VBG 28553 2185 7 in in IN 28553 2185 8 front front NN 28553 2185 9 of of IN 28553 2185 10 the the DT 28553 2185 11 lens lens NN 28553 2185 12 a a DT 28553 2185 13 plate plate NN 28553 2185 14 with with IN 28553 2185 15 a a DT 28553 2185 16 central central JJ 28553 2185 17 circular circular JJ 28553 2185 18 opening opening NN 28553 2185 19 in in IN 28553 2185 20 it -PRON- PRP 28553 2185 21 ( ( -LRB- 28553 2185 22 denoted denote VBN 28553 2185 23 by by IN 28553 2185 24 the the DT 28553 2185 25 thick thick JJ 28553 2185 26 , , , 28553 2185 27 dark dark JJ 28553 2185 28 line line NN 28553 2185 29 in in IN 28553 2185 30 Fig Fig NNP 28553 2185 31 . . . 28553 2186 1 114 114 CD 28553 2186 2 ) ) -RRB- 28553 2186 3 . . . 28553 2187 1 The the DT 28553 2187 2 rays ray NNS 28553 2187 3 B b NN 28553 2187 4 of of IN 28553 2187 5 Fig Fig NNP 28553 2187 6 . . . 28553 2188 1 113 113 CD 28553 2188 2 are be VBP 28553 2188 3 stopped stop VBN 28553 2188 4 by by IN 28553 2188 5 this this DT 28553 2188 6 plate plate NN 28553 2188 7 , , , 28553 2188 8 which which WDT 28553 2188 9 is be VBZ 28553 2188 10 therefore therefore RB 28553 2188 11 called call VBN 28553 2188 12 a a DT 28553 2188 13 _ _ NNP 28553 2188 14 stop stop NN 28553 2188 15 _ _ NNP 28553 2188 16 . . . 28553 2189 1 But but CC 28553 2189 2 other other JJ 28553 2189 3 rays ray NNS 28553 2189 4 from from IN 28553 2189 5 the the DT 28553 2189 6 same same JJ 28553 2189 7 point point NN 28553 2189 8 pass pass VB 28553 2189 9 through through IN 28553 2189 10 the the DT 28553 2189 11 hole hole NN 28553 2189 12 . . . 28553 2190 1 These these DT 28553 2190 2 , , , 28553 2190 3 however however RB 28553 2190 4 , , , 28553 2190 5 strike strike VB 28553 2190 6 the the DT 28553 2190 7 lens lens NN 28553 2190 8 much much RB 28553 2190 9 more more RBR 28553 2190 10 squarely squarely RB 28553 2190 11 above above IN 28553 2190 12 the the DT 28553 2190 13 centre centre NN 28553 2190 14 , , , 28553 2190 15 and and CC 28553 2190 16 are be VBP 28553 2190 17 not not RB 28553 2190 18 unduly unduly RB 28553 2190 19 refracted refract VBN 28553 2190 20 , , , 28553 2190 21 so so IN 28553 2190 22 that that IN 28553 2190 23 they -PRON- PRP 28553 2190 24 are be VBP 28553 2190 25 brought bring VBN 28553 2190 26 to to IN 28553 2190 27 a a DT 28553 2190 28 focus focus NN 28553 2190 29 in in IN 28553 2190 30 the the DT 28553 2190 31 same same JJ 28553 2190 32 plane plane NN 28553 2190 33 as as IN 28553 2190 34 rays ray NNS 28553 2190 35 A. a. NN 28553 2191 1 [ [ -LRB- 28553 2191 2 Illustration illustration NN 28553 2191 3 : : : 28553 2191 4 FIG FIG NNP 28553 2191 5 . . . 28553 2192 1 113 113 CD 28553 2192 2 . . . 28553 2192 3 ] ] -RRB- 28553 2193 1 [ [ -LRB- 28553 2193 2 Illustration illustration NN 28553 2193 3 : : : 28553 2193 4 FIG FIG NNP 28553 2193 5 . . . 28553 2194 1 114 114 CD 28553 2194 2 . . . 28553 2194 3 ] ] -RRB- 28553 2195 1 DISTORTION DISTORTION NNP 28553 2195 2 OF of IN 28553 2195 3 IMAGE image NN 28553 2195 4 . . . 28553 2196 1 [ [ -LRB- 28553 2196 2 Illustration illustration NN 28553 2196 3 : : : 28553 2196 4 FIG FIG NNP 28553 2196 5 . . . 28553 2197 1 115.--Section 115.--section CD 28553 2197 2 of of IN 28553 2197 3 a a DT 28553 2197 4 rectilinear rectilinear JJ 28553 2197 5 lens lens NN 28553 2197 6 . . . 28553 2197 7 ] ] -RRB- 28553 2198 1 The the DT 28553 2198 2 lens lens NN 28553 2198 3 we -PRON- PRP 28553 2198 4 have have VBP 28553 2198 5 been be VBN 28553 2198 6 considering consider VBG 28553 2198 7 is be VBZ 28553 2198 8 a a DT 28553 2198 9 single single JJ 28553 2198 10 meniscus meniscus NN 28553 2198 11 , , , 28553 2198 12 such such JJ 28553 2198 13 as as IN 28553 2198 14 is be VBZ 28553 2198 15 used use VBN 28553 2198 16 in in IN 28553 2198 17 landscape landscape NN 28553 2198 18 photography photography NN 28553 2198 19 , , , 28553 2198 20 mounted mount VBN 28553 2198 21 with with IN 28553 2198 22 the the DT 28553 2198 23 convex convex NNP 28553 2198 24 side side NN 28553 2198 25 turned turn VBD 28553 2198 26 towards towards IN 28553 2198 27 the the DT 28553 2198 28 inside inside NN 28553 2198 29 of of IN 28553 2198 30 the the DT 28553 2198 31 camera camera NN 28553 2198 32 , , , 28553 2198 33 and and CC 28553 2198 34 having have VBG 28553 2198 35 the the DT 28553 2198 36 stop stop NN 28553 2198 37 in in IN 28553 2198 38 front front NN 28553 2198 39 of of IN 28553 2198 40 it -PRON- PRP 28553 2198 41 . . . 28553 2199 1 If if IN 28553 2199 2 you -PRON- PRP 28553 2199 3 possess possess VBP 28553 2199 4 a a DT 28553 2199 5 lens lens NN 28553 2199 6 of of IN 28553 2199 7 this this DT 28553 2199 8 sort sort NN 28553 2199 9 , , , 28553 2199 10 try try VB 28553 2199 11 the the DT 28553 2199 12 following follow VBG 28553 2199 13 experiment experiment NN 28553 2199 14 with with IN 28553 2199 15 it -PRON- PRP 28553 2199 16 . . . 28553 2200 1 Draw draw VB 28553 2200 2 a a DT 28553 2200 3 large large JJ 28553 2200 4 square square NN 28553 2200 5 on on IN 28553 2200 6 a a DT 28553 2200 7 sheet sheet NN 28553 2200 8 of of IN 28553 2200 9 white white JJ 28553 2200 10 paper paper NN 28553 2200 11 and and CC 28553 2200 12 focus focus VB 28553 2200 13 it -PRON- PRP 28553 2200 14 on on IN 28553 2200 15 the the DT 28553 2200 16 screen screen NN 28553 2200 17 . . . 28553 2201 1 The the DT 28553 2201 2 sides side NNS 28553 2201 3 instead instead RB 28553 2201 4 of of IN 28553 2201 5 being be VBG 28553 2201 6 straight straight JJ 28553 2201 7 bow bow NN 28553 2201 8 outwards outward NNS 28553 2201 9 : : : 28553 2201 10 this this DT 28553 2201 11 is be VBZ 28553 2201 12 called call VBN 28553 2201 13 _ _ NNP 28553 2201 14 barrel barrel NN 28553 2201 15 _ _ NNP 28553 2201 16 distortion distortion NN 28553 2201 17 . . . 28553 2202 1 Now now RB 28553 2202 2 turn turn VB 28553 2202 3 the the DT 28553 2202 4 lens lens NN 28553 2202 5 mount mount NN 28553 2202 6 round round RB 28553 2202 7 so so IN 28553 2202 8 that that IN 28553 2202 9 the the DT 28553 2202 10 lens lens NN 28553 2202 11 is be VBZ 28553 2202 12 outwards outward NNS 28553 2202 13 and and CC 28553 2202 14 the the DT 28553 2202 15 stop stop NN 28553 2202 16 inwards inward NNS 28553 2202 17 . . . 28553 2203 1 The the DT 28553 2203 2 sides side NNS 28553 2203 3 of of IN 28553 2203 4 the the DT 28553 2203 5 square square NN 28553 2203 6 will will MD 28553 2203 7 appear appear VB 28553 2203 8 to to TO 28553 2203 9 bow bow VB 28553 2203 10 towards towards IN 28553 2203 11 the the DT 28553 2203 12 centre centre NN 28553 2203 13 : : : 28553 2203 14 this this DT 28553 2203 15 is be VBZ 28553 2203 16 _ _ NNP 28553 2203 17 pin pin NN 28553 2203 18 - - HYPH 28553 2203 19 cushion cushion NN 28553 2203 20 _ _ NNP 28553 2203 21 distortion distortion NN 28553 2203 22 . . . 28553 2204 1 For for IN 28553 2204 2 a a DT 28553 2204 3 long long JJ 28553 2204 4 time time NN 28553 2204 5 opticians optician NNS 28553 2204 6 were be VBD 28553 2204 7 unable unable JJ 28553 2204 8 to to TO 28553 2204 9 find find VB 28553 2204 10 a a DT 28553 2204 11 remedy remedy NN 28553 2204 12 . . . 28553 2205 1 Then then RB 28553 2205 2 Mr. Mr. NNP 28553 2205 3 George George NNP 28553 2205 4 S. S. NNP 28553 2205 5 Cundell Cundell NNP 28553 2205 6 suggested suggest VBD 28553 2205 7 that that IN 28553 2205 8 _ _ NNP 28553 2205 9 two two CD 28553 2205 10 _ _ NNP 28553 2205 11 meniscus meniscus NN 28553 2205 12 lenses lense NNS 28553 2205 13 should should MD 28553 2205 14 be be VB 28553 2205 15 used use VBN 28553 2205 16 in in IN 28553 2205 17 combination combination NN 28553 2205 18 , , , 28553 2205 19 one one CD 28553 2205 20 on on IN 28553 2205 21 either either DT 28553 2205 22 side side NN 28553 2205 23 of of IN 28553 2205 24 the the DT 28553 2205 25 stop stop NN 28553 2205 26 , , , 28553 2205 27 as as IN 28553 2205 28 in in IN 28553 2205 29 Fig Fig NNP 28553 2205 30 115 115 CD 28553 2205 31 . . . 28553 2206 1 Each each DT 28553 2206 2 produces produce VBZ 28553 2206 3 distortion distortion NN 28553 2206 4 , , , 28553 2206 5 but but CC 28553 2206 6 it -PRON- PRP 28553 2206 7 is be VBZ 28553 2206 8 counteracted counteract VBN 28553 2206 9 by by IN 28553 2206 10 the the DT 28553 2206 11 opposite opposite JJ 28553 2206 12 distortion distortion NN 28553 2206 13 of of IN 28553 2206 14 the the DT 28553 2206 15 other other JJ 28553 2206 16 , , , 28553 2206 17 and and CC 28553 2206 18 a a DT 28553 2206 19 square square NN 28553 2206 20 is be VBZ 28553 2206 21 represented represent VBN 28553 2206 22 as as IN 28553 2206 23 a a DT 28553 2206 24 square square NN 28553 2206 25 . . . 28553 2207 1 Lenses lense NNS 28553 2207 2 of of IN 28553 2207 3 this this DT 28553 2207 4 kind kind NN 28553 2207 5 are be VBP 28553 2207 6 called call VBN 28553 2207 7 _ _ NNP 28553 2207 8 rectilinear rectilinear NN 28553 2207 9 _ _ NNP 28553 2207 10 , , , 28553 2207 11 or or CC 28553 2207 12 straight straight JJ 28553 2207 13 - - HYPH 28553 2207 14 line line NN 28553 2207 15 producing producing NN 28553 2207 16 . . . 28553 2208 1 We -PRON- PRP 28553 2208 2 have have VBP 28553 2208 3 now now RB 28553 2208 4 reviewed review VBN 28553 2208 5 the the DT 28553 2208 6 three three CD 28553 2208 7 chief chief JJ 28553 2208 8 defects defect NNS 28553 2208 9 of of IN 28553 2208 10 a a DT 28553 2208 11 lens lens NN 28553 2208 12 -- -- : 28553 2208 13 chromatic chromatic JJ 28553 2208 14 aberration aberration NN 28553 2208 15 , , , 28553 2208 16 spherical spherical JJ 28553 2208 17 aberration aberration NN 28553 2208 18 , , , 28553 2208 19 and and CC 28553 2208 20 distortion distortion NN 28553 2208 21 -- -- : 28553 2208 22 and and CC 28553 2208 23 have have VBP 28553 2208 24 seen see VBN 28553 2208 25 how how WRB 28553 2208 26 they -PRON- PRP 28553 2208 27 may may MD 28553 2208 28 be be VB 28553 2208 29 remedied remedie VBN 28553 2208 30 . . . 28553 2209 1 So so RB 28553 2209 2 we -PRON- PRP 28553 2209 3 will will MD 28553 2209 4 now now RB 28553 2209 5 pass pass VB 28553 2209 6 on on RP 28553 2209 7 to to IN 28553 2209 8 the the DT 28553 2209 9 most most RBS 28553 2209 10 perfect perfect JJ 28553 2209 11 of of IN 28553 2209 12 cameras camera NNS 28553 2209 13 , , , 28553 2209 14 THE the DT 28553 2209 15 HUMAN HUMAN NNP 28553 2209 16 EYE EYE NNP 28553 2209 17 . . . 28553 2210 1 The the DT 28553 2210 2 eye eye NN 28553 2210 3 ( ( -LRB- 28553 2210 4 Fig fig NN 28553 2210 5 . . . 28553 2211 1 116 116 LS 28553 2211 2 ) ) -RRB- 28553 2211 3 is be VBZ 28553 2211 4 nearly nearly RB 28553 2211 5 spherical spherical JJ 28553 2211 6 in in IN 28553 2211 7 form form NN 28553 2211 8 , , , 28553 2211 9 and and CC 28553 2211 10 is be VBZ 28553 2211 11 surrounded surround VBN 28553 2211 12 outside outside RB 28553 2211 13 , , , 28553 2211 14 except except IN 28553 2211 15 in in IN 28553 2211 16 front front NN 28553 2211 17 , , , 28553 2211 18 by by IN 28553 2211 19 a a DT 28553 2211 20 hard hard JJ 28553 2211 21 , , , 28553 2211 22 horny horny JJ 28553 2211 23 coat coat NN 28553 2211 24 called call VBN 28553 2211 25 the the DT 28553 2211 26 _ _ NNP 28553 2211 27 sclerotica sclerotica NNP 28553 2211 28 _ _ NNP 28553 2211 29 ( ( -LRB- 28553 2211 30 S S NNP 28553 2211 31 ) ) -RRB- 28553 2211 32 . . . 28553 2212 1 In in IN 28553 2212 2 front front NN 28553 2212 3 is be VBZ 28553 2212 4 the the DT 28553 2212 5 _ _ NNP 28553 2212 6 cornea cornea NN 28553 2212 7 _ _ NNP 28553 2212 8 ( ( -LRB- 28553 2212 9 A a NN 28553 2212 10 ) ) -RRB- 28553 2212 11 , , , 28553 2212 12 which which WDT 28553 2212 13 bulges bulge VBZ 28553 2212 14 outwards outward NNS 28553 2212 15 , , , 28553 2212 16 and and CC 28553 2212 17 acts act VBZ 28553 2212 18 as as IN 28553 2212 19 a a DT 28553 2212 20 transparent transparent JJ 28553 2212 21 window window NN 28553 2212 22 to to TO 28553 2212 23 admit admit VB 28553 2212 24 light light NN 28553 2212 25 to to IN 28553 2212 26 the the DT 28553 2212 27 lens lens NN 28553 2212 28 of of IN 28553 2212 29 the the DT 28553 2212 30 eye eye NN 28553 2212 31 ( ( -LRB- 28553 2212 32 C C NNP 28553 2212 33 ) ) -RRB- 28553 2212 34 . . . 28553 2213 1 Inside inside IN 28553 2213 2 the the DT 28553 2213 3 sclerotica sclerotica NN 28553 2213 4 , , , 28553 2213 5 and and CC 28553 2213 6 next next RB 28553 2213 7 to to IN 28553 2213 8 it -PRON- PRP 28553 2213 9 , , , 28553 2213 10 comes come VBZ 28553 2213 11 the the DT 28553 2213 12 _ _ NNP 28553 2213 13 choroid choroid NN 28553 2213 14 _ _ NNP 28553 2213 15 coat coat NN 28553 2213 16 ; ; : 28553 2213 17 and and CC 28553 2213 18 inside inside IN 28553 2213 19 that that DT 28553 2213 20 again again RB 28553 2213 21 is be VBZ 28553 2213 22 the the DT 28553 2213 23 _ _ NNP 28553 2213 24 retina retina NNP 28553 2213 25 _ _ NNP 28553 2213 26 , , , 28553 2213 27 or or CC 28553 2213 28 curved curve VBN 28553 2213 29 focussing focussing NN 28553 2213 30 screen screen NN 28553 2213 31 of of IN 28553 2213 32 the the DT 28553 2213 33 eye eye NN 28553 2213 34 , , , 28553 2213 35 which which WDT 28553 2213 36 may may MD 28553 2213 37 best well RBS 28553 2213 38 be be VB 28553 2213 39 described describe VBN 28553 2213 40 as as IN 28553 2213 41 a a DT 28553 2213 42 network network NN 28553 2213 43 of of IN 28553 2213 44 fibres fibre NNS 28553 2213 45 ramifying ramify VBG 28553 2213 46 from from IN 28553 2213 47 the the DT 28553 2213 48 optic optic JJ 28553 2213 49 nerve nerve NN 28553 2213 50 , , , 28553 2213 51 which which WDT 28553 2213 52 carries carry VBZ 28553 2213 53 sight sight NN 28553 2213 54 sensations sensation NNS 28553 2213 55 to to IN 28553 2213 56 the the DT 28553 2213 57 brain brain NN 28553 2213 58 . . . 28553 2214 1 The the DT 28553 2214 2 hollow hollow JJ 28553 2214 3 of of IN 28553 2214 4 the the DT 28553 2214 5 ball ball NN 28553 2214 6 is be VBZ 28553 2214 7 full full JJ 28553 2214 8 of of IN 28553 2214 9 a a DT 28553 2214 10 jelly jelly NN 28553 2214 11 - - HYPH 28553 2214 12 like like JJ 28553 2214 13 substance substance NN 28553 2214 14 called call VBN 28553 2214 15 the the DT 28553 2214 16 _ _ NNP 28553 2214 17 vitreous vitreous JJ 28553 2214 18 humour humour NN 28553 2214 19 _ _ NNP 28553 2214 20 ; ; : 28553 2214 21 and and CC 28553 2214 22 the the DT 28553 2214 23 cavity cavity NN 28553 2214 24 between between IN 28553 2214 25 the the DT 28553 2214 26 lens lens NN 28553 2214 27 and and CC 28553 2214 28 the the DT 28553 2214 29 cornea cornea NN 28553 2214 30 is be VBZ 28553 2214 31 full full JJ 28553 2214 32 of of IN 28553 2214 33 water water NN 28553 2214 34 . . . 28553 2215 1 We -PRON- PRP 28553 2215 2 have have VBP 28553 2215 3 already already RB 28553 2215 4 seen see VBN 28553 2215 5 that that IN 28553 2215 6 , , , 28553 2215 7 in in IN 28553 2215 8 focussing focusse VBG 28553 2215 9 , , , 28553 2215 10 the the DT 28553 2215 11 distance distance NN 28553 2215 12 between between IN 28553 2215 13 lens lens NN 28553 2215 14 and and CC 28553 2215 15 image image NN 28553 2215 16 depends depend VBZ 28553 2215 17 on on IN 28553 2215 18 the the DT 28553 2215 19 distance distance NN 28553 2215 20 between between IN 28553 2215 21 object object NN 28553 2215 22 and and CC 28553 2215 23 lens lens NN 28553 2215 24 . . . 28553 2216 1 Now now RB 28553 2216 2 , , , 28553 2216 3 the the DT 28553 2216 4 retina retina NNP 28553 2216 5 can can MD 28553 2216 6 not not RB 28553 2216 7 be be VB 28553 2216 8 pushed push VBN 28553 2216 9 nearer nearer RB 28553 2216 10 to to IN 28553 2216 11 or or CC 28553 2216 12 pulled pull VBN 28553 2216 13 further further RB 28553 2216 14 away away RB 28553 2216 15 from from IN 28553 2216 16 its -PRON- PRP$ 28553 2216 17 lens lens NN 28553 2216 18 , , , 28553 2216 19 like like IN 28553 2216 20 the the DT 28553 2216 21 focussing focusse VBG 28553 2216 22 screen screen NN 28553 2216 23 of of IN 28553 2216 24 a a DT 28553 2216 25 camera camera NN 28553 2216 26 . . . 28553 2217 1 How how WRB 28553 2217 2 , , , 28553 2217 3 then then RB 28553 2217 4 , , , 28553 2217 5 is be VBZ 28553 2217 6 the the DT 28553 2217 7 eye eye NN 28553 2217 8 able able JJ 28553 2217 9 to to TO 28553 2217 10 focus focus VB 28553 2217 11 sharply sharply RB 28553 2217 12 objects object NNS 28553 2217 13 at at IN 28553 2217 14 distances distance NNS 28553 2217 15 varying vary VBG 28553 2217 16 from from IN 28553 2217 17 a a DT 28553 2217 18 foot foot NN 28553 2217 19 to to IN 28553 2217 20 many many JJ 28553 2217 21 miles mile NNS 28553 2217 22 ? ? . 28553 2218 1 [ [ -LRB- 28553 2218 2 Illustration illustration NN 28553 2218 3 : : : 28553 2218 4 FIG FIG NNP 28553 2218 5 . . . 28553 2219 1 116.--Section 116.--section CD 28553 2219 2 of of IN 28553 2219 3 the the DT 28553 2219 4 human human JJ 28553 2219 5 eye eye NN 28553 2219 6 . . . 28553 2219 7 ] ] -RRB- 28553 2220 1 As as IN 28553 2220 2 a a DT 28553 2220 3 preliminary preliminary NN 28553 2220 4 to to IN 28553 2220 5 the the DT 28553 2220 6 answer answer NN 28553 2220 7 we -PRON- PRP 28553 2220 8 must must MD 28553 2220 9 observe observe VB 28553 2220 10 that that IN 28553 2220 11 the the DT 28553 2220 12 more more RBR 28553 2220 13 convex convex NNS 28553 2220 14 a a DT 28553 2220 15 lens lens NN 28553 2220 16 is be VBZ 28553 2220 17 , , , 28553 2220 18 the the DT 28553 2220 19 shorter short JJR 28553 2220 20 is be VBZ 28553 2220 21 its -PRON- PRP$ 28553 2220 22 focus focus NN 28553 2220 23 . . . 28553 2221 1 We -PRON- PRP 28553 2221 2 will will MD 28553 2221 3 suppose suppose VB 28553 2221 4 that that IN 28553 2221 5 we -PRON- PRP 28553 2221 6 have have VBP 28553 2221 7 a a DT 28553 2221 8 box box NN 28553 2221 9 camera camera NN 28553 2221 10 with with IN 28553 2221 11 a a DT 28553 2221 12 lens lens NN 28553 2221 13 of of IN 28553 2221 14 six six CD 28553 2221 15 - - HYPH 28553 2221 16 inch inch NN 28553 2221 17 focus focus NN 28553 2221 18 fixed fix VBN 28553 2221 19 rigidly rigidly RB 28553 2221 20 in in IN 28553 2221 21 the the DT 28553 2221 22 position position NN 28553 2221 23 necessary necessary JJ 28553 2221 24 for for IN 28553 2221 25 obtaining obtain VBG 28553 2221 26 a a DT 28553 2221 27 sharp sharp JJ 28553 2221 28 image image NN 28553 2221 29 of of IN 28553 2221 30 distant distant JJ 28553 2221 31 objects object NNS 28553 2221 32 . . . 28553 2222 1 It -PRON- PRP 28553 2222 2 so so RB 28553 2222 3 happens happen VBZ 28553 2222 4 that that IN 28553 2222 5 we -PRON- PRP 28553 2222 6 want want VBP 28553 2222 7 to to TO 28553 2222 8 take take VB 28553 2222 9 with with IN 28553 2222 10 it -PRON- PRP 28553 2222 11 a a DT 28553 2222 12 portrait portrait NN 28553 2222 13 of of IN 28553 2222 14 a a DT 28553 2222 15 person person NN 28553 2222 16 only only RB 28553 2222 17 a a DT 28553 2222 18 few few JJ 28553 2222 19 feet foot NNS 28553 2222 20 from from IN 28553 2222 21 the the DT 28553 2222 22 lens lens NN 28553 2222 23 . . . 28553 2223 1 If if IN 28553 2223 2 it -PRON- PRP 28553 2223 3 were be VBD 28553 2223 4 a a DT 28553 2223 5 bellows bellow NNS 28553 2223 6 camera camera NN 28553 2223 7 , , , 28553 2223 8 we -PRON- PRP 28553 2223 9 should should MD 28553 2223 10 rack rack VB 28553 2223 11 out out RP 28553 2223 12 the the DT 28553 2223 13 back back NN 28553 2223 14 or or CC 28553 2223 15 front front NN 28553 2223 16 . . . 28553 2224 1 But but CC 28553 2224 2 we -PRON- PRP 28553 2224 3 can can MD 28553 2224 4 not not RB 28553 2224 5 do do VB 28553 2224 6 this this DT 28553 2224 7 here here RB 28553 2224 8 . . . 28553 2225 1 So so RB 28553 2225 2 we -PRON- PRP 28553 2225 3 place place VBP 28553 2225 4 in in IN 28553 2225 5 front front NN 28553 2225 6 of of IN 28553 2225 7 our -PRON- PRP$ 28553 2225 8 lens lens NN 28553 2225 9 a a DT 28553 2225 10 second second JJ 28553 2225 11 convex convex NNP 28553 2225 12 lens lens NN 28553 2225 13 which which WDT 28553 2225 14 shortens shorten VBZ 28553 2225 15 its -PRON- PRP$ 28553 2225 16 principal principal JJ 28553 2225 17 focus focus NN 28553 2225 18 ; ; : 28553 2225 19 so so CC 28553 2225 20 that that IN 28553 2225 21 _ _ NNP 28553 2225 22 in in IN 28553 2225 23 effect effect NN 28553 2225 24 _ _ IN 28553 2225 25 the the DT 28553 2225 26 box box NN 28553 2225 27 has have VBZ 28553 2225 28 been be VBN 28553 2225 29 racked rack VBN 28553 2225 30 out out RP 28553 2225 31 sufficiently sufficiently RB 28553 2225 32 . . . 28553 2226 1 Nature nature NN 28553 2226 2 , , , 28553 2226 3 however however RB 28553 2226 4 , , , 28553 2226 5 employs employ VBZ 28553 2226 6 a a DT 28553 2226 7 much much RB 28553 2226 8 more more RBR 28553 2226 9 perfect perfect JJ 28553 2226 10 method method NN 28553 2226 11 than than IN 28553 2226 12 this this DT 28553 2226 13 . . . 28553 2227 1 The the DT 28553 2227 2 eye eye NN 28553 2227 3 lens lens NN 28553 2227 4 is be VBZ 28553 2227 5 plastic plastic NN 28553 2227 6 , , , 28553 2227 7 like like IN 28553 2227 8 a a DT 28553 2227 9 piece piece NN 28553 2227 10 of of IN 28553 2227 11 india india NNP 28553 2227 12 - - HYPH 28553 2227 13 rubber rubber NNP 28553 2227 14 . . . 28553 2228 1 Its -PRON- PRP$ 28553 2228 2 edges edge NNS 28553 2228 3 are be VBP 28553 2228 4 attached attach VBN 28553 2228 5 to to IN 28553 2228 6 ligaments ligament NNS 28553 2228 7 ( ( -LRB- 28553 2228 8 L L NNP 28553 2228 9 L L NNP 28553 2228 10 ) ) -RRB- 28553 2228 11 , , , 28553 2228 12 which which WDT 28553 2228 13 pull pull VBP 28553 2228 14 outwards outward NNS 28553 2228 15 and and CC 28553 2228 16 tend tend VB 28553 2228 17 to to TO 28553 2228 18 flatten flatten VB 28553 2228 19 the the DT 28553 2228 20 curve curve NN 28553 2228 21 of of IN 28553 2228 22 its -PRON- PRP$ 28553 2228 23 surfaces surface NNS 28553 2228 24 . . . 28553 2229 1 The the DT 28553 2229 2 normal normal JJ 28553 2229 3 focus focus NN 28553 2229 4 is be VBZ 28553 2229 5 for for IN 28553 2229 6 distant distant JJ 28553 2229 7 objects object NNS 28553 2229 8 . . . 28553 2230 1 When when WRB 28553 2230 2 we -PRON- PRP 28553 2230 3 read read VBP 28553 2230 4 a a DT 28553 2230 5 book book NN 28553 2230 6 the the DT 28553 2230 7 eye eye NN 28553 2230 8 adapts adapt VBZ 28553 2230 9 itself -PRON- PRP 28553 2230 10 to to IN 28553 2230 11 the the DT 28553 2230 12 work work NN 28553 2230 13 . . . 28553 2231 1 The the DT 28553 2231 2 ligaments ligament NNS 28553 2231 3 relax relax VBP 28553 2231 4 and and CC 28553 2231 5 the the DT 28553 2231 6 lens lens NN 28553 2231 7 decreases decrease VBZ 28553 2231 8 in in IN 28553 2231 9 diameter diameter NN 28553 2231 10 while while IN 28553 2231 11 thickening thicken VBG 28553 2231 12 at at IN 28553 2231 13 the the DT 28553 2231 14 centre centre NN 28553 2231 15 , , , 28553 2231 16 until until IN 28553 2231 17 its -PRON- PRP$ 28553 2231 18 curvature curvature NN 28553 2231 19 is be VBZ 28553 2231 20 such such JJ 28553 2231 21 as as IN 28553 2231 22 to to TO 28553 2231 23 focus focus VB 28553 2231 24 all all DT 28553 2231 25 rays ray NNS 28553 2231 26 from from IN 28553 2231 27 the the DT 28553 2231 28 book book NN 28553 2231 29 sharply sharply RB 28553 2231 30 on on IN 28553 2231 31 the the DT 28553 2231 32 retina retina NNP 28553 2231 33 . . . 28553 2232 1 If if IN 28553 2232 2 we -PRON- PRP 28553 2232 3 suddenly suddenly RB 28553 2232 4 look look VBP 28553 2232 5 through through IN 28553 2232 6 the the DT 28553 2232 7 window window NN 28553 2232 8 at at IN 28553 2232 9 something something NN 28553 2232 10 outside outside RB 28553 2232 11 , , , 28553 2232 12 the the DT 28553 2232 13 ligaments ligament NNS 28553 2232 14 pull pull VBP 28553 2232 15 on on RP 28553 2232 16 the the DT 28553 2232 17 lens lens NN 28553 2232 18 envelope envelope NN 28553 2232 19 and and CC 28553 2232 20 flatten flatten VB 28553 2232 21 the the DT 28553 2232 22 curves curve NNS 28553 2232 23 . . . 28553 2233 1 This this DT 28553 2233 2 wonderful wonderful JJ 28553 2233 3 lens lens NN 28553 2233 4 is be VBZ 28553 2233 5 achromatic achromatic JJ 28553 2233 6 , , , 28553 2233 7 and and CC 28553 2233 8 free free JJ 28553 2233 9 from from IN 28553 2233 10 spherical spherical JJ 28553 2233 11 aberration aberration NN 28553 2233 12 and and CC 28553 2233 13 distortion distortion NN 28553 2233 14 of of IN 28553 2233 15 image image NN 28553 2233 16 . . . 28553 2234 1 Nor nor CC 28553 2234 2 must must MD 28553 2234 3 we -PRON- PRP 28553 2234 4 forget forget VB 28553 2234 5 that that IN 28553 2234 6 it -PRON- PRP 28553 2234 7 is be VBZ 28553 2234 8 aided aid VBN 28553 2234 9 by by IN 28553 2234 10 an an DT 28553 2234 11 automatic automatic JJ 28553 2234 12 " " `` 28553 2234 13 stop stop VB 28553 2234 14 , , , 28553 2234 15 " " '' 28553 2234 16 the the DT 28553 2234 17 _ _ NNP 28553 2234 18 iris iris NNP 28553 2234 19 _ _ NNP 28553 2234 20 , , , 28553 2234 21 the the DT 28553 2234 22 central central JJ 28553 2234 23 hole hole NN 28553 2234 24 of of IN 28553 2234 25 which which WDT 28553 2234 26 is be VBZ 28553 2234 27 named name VBN 28553 2234 28 the the DT 28553 2234 29 _ _ NNP 28553 2234 30 pupil pupil NN 28553 2234 31 _ _ NNP 28553 2234 32 . . . 28553 2235 1 We -PRON- PRP 28553 2235 2 say say VBP 28553 2235 3 that that IN 28553 2235 4 a a DT 28553 2235 5 person person NN 28553 2235 6 has have VBZ 28553 2235 7 black black JJ 28553 2235 8 , , , 28553 2235 9 blue blue JJ 28553 2235 10 , , , 28553 2235 11 or or CC 28553 2235 12 gray gray JJ 28553 2235 13 eyes eye NNS 28553 2235 14 according accord VBG 28553 2235 15 to to IN 28553 2235 16 the the DT 28553 2235 17 colour colour NN 28553 2235 18 of of IN 28553 2235 19 the the DT 28553 2235 20 iris iris NNP 28553 2235 21 . . . 28553 2236 1 Like like IN 28553 2236 2 the the DT 28553 2236 3 lens lens NN 28553 2236 4 , , , 28553 2236 5 the the DT 28553 2236 6 iris iris NNP 28553 2236 7 adapts adapt VBZ 28553 2236 8 itself -PRON- PRP 28553 2236 9 to to IN 28553 2236 10 all all DT 28553 2236 11 conditions condition NNS 28553 2236 12 , , , 28553 2236 13 contracting contract VBG 28553 2236 14 when when WRB 28553 2236 15 the the DT 28553 2236 16 light light NN 28553 2236 17 is be VBZ 28553 2236 18 strong strong JJ 28553 2236 19 , , , 28553 2236 20 and and CC 28553 2236 21 opening open VBG 28553 2236 22 when when WRB 28553 2236 23 the the DT 28553 2236 24 light light NN 28553 2236 25 is be VBZ 28553 2236 26 weak weak JJ 28553 2236 27 , , , 28553 2236 28 so so IN 28553 2236 29 that that IN 28553 2236 30 as as IN 28553 2236 31 uniform uniform VB 28553 2236 32 an an DT 28553 2236 33 amount amount NN 28553 2236 34 of of IN 28553 2236 35 light light NN 28553 2236 36 as as IN 28553 2236 37 conditions condition NNS 28553 2236 38 allow allow VBP 28553 2236 39 may may MD 28553 2236 40 be be VB 28553 2236 41 admitted admit VBN 28553 2236 42 to to IN 28553 2236 43 the the DT 28553 2236 44 eye eye NN 28553 2236 45 . . . 28553 2237 1 Most Most JJS 28553 2237 2 modern modern JJ 28553 2237 3 camera camera NN 28553 2237 4 lenses lense NNS 28553 2237 5 are be VBP 28553 2237 6 fitted fit VBN 28553 2237 7 with with IN 28553 2237 8 adjustable adjustable JJ 28553 2237 9 stops stop NNS 28553 2237 10 which which WDT 28553 2237 11 can can MD 28553 2237 12 be be VB 28553 2237 13 made make VBN 28553 2237 14 larger large JJR 28553 2237 15 or or CC 28553 2237 16 smaller small JJR 28553 2237 17 by by IN 28553 2237 18 twisting twist VBG 28553 2237 19 a a DT 28553 2237 20 ring ring NN 28553 2237 21 on on IN 28553 2237 22 the the DT 28553 2237 23 mount mount NN 28553 2237 24 , , , 28553 2237 25 and and CC 28553 2237 26 are be VBP 28553 2237 27 named name VBN 28553 2237 28 " " `` 28553 2237 29 iris iris JJ 28553 2237 30 " " '' 28553 2237 31 stops stop NNS 28553 2237 32 . . . 28553 2238 1 The the DT 28553 2238 2 image image NN 28553 2238 3 of of IN 28553 2238 4 anything anything NN 28553 2238 5 seen see VBN 28553 2238 6 is be VBZ 28553 2238 7 thrown throw VBN 28553 2238 8 on on IN 28553 2238 9 the the DT 28553 2238 10 retina retina NNP 28553 2238 11 upside upside RB 28553 2238 12 down down RB 28553 2238 13 , , , 28553 2238 14 and and CC 28553 2238 15 the the DT 28553 2238 16 brain brain NN 28553 2238 17 reverses reverse VBZ 28553 2238 18 the the DT 28553 2238 19 position position NN 28553 2238 20 again again RB 28553 2238 21 , , , 28553 2238 22 so so IN 28553 2238 23 that that IN 28553 2238 24 we -PRON- PRP 28553 2238 25 get get VBP 28553 2238 26 a a DT 28553 2238 27 correct correct JJ 28553 2238 28 impression impression NN 28553 2238 29 of of IN 28553 2238 30 things thing NNS 28553 2238 31 . . . 28553 2239 1 THE the DT 28553 2239 2 USE use NN 28553 2239 3 OF of IN 28553 2239 4 SPECTACLES SPECTACLES NNP 28553 2239 5 . . . 28553 2240 1 [ [ -LRB- 28553 2240 2 Illustration illustration NN 28553 2240 3 : : : 28553 2240 4 FIG FIG NNP 28553 2240 5 . . . 28553 2241 1 117_a 117_a NNP 28553 2241 2 _ _ NNP 28553 2241 3 . . . 28553 2241 4 ] ] -RRB- 28553 2242 1 [ [ -LRB- 28553 2242 2 Illustration illustration NN 28553 2242 3 : : : 28553 2242 4 FIG FIG NNP 28553 2242 5 . . . 28553 2243 1 117_b 117_b CD 28553 2243 2 _ _ NNP 28553 2243 3 . . . 28553 2243 4 ] ] -RRB- 28553 2244 1 [ [ -LRB- 28553 2244 2 Illustration illustration NN 28553 2244 3 : : : 28553 2244 4 FIG FIG NNP 28553 2244 5 . . . 28553 2245 1 118_a 118_a NNP 28553 2245 2 _ _ NNP 28553 2245 3 . . . 28553 2245 4 ] ] -RRB- 28553 2246 1 [ [ -LRB- 28553 2246 2 Illustration illustration NN 28553 2246 3 : : : 28553 2246 4 FIG FIG NNP 28553 2246 5 . . . 28553 2247 1 118_b 118_b NNP 28553 2247 2 _ _ NNP 28553 2247 3 . . . 28553 2247 4 ] ] -RRB- 28553 2248 1 The the DT 28553 2248 2 reader reader NN 28553 2248 3 will will MD 28553 2248 4 now now RB 28553 2248 5 be be VB 28553 2248 6 able able JJ 28553 2248 7 to to TO 28553 2248 8 understand understand VB 28553 2248 9 without without IN 28553 2248 10 much much JJ 28553 2248 11 trouble trouble NN 28553 2248 12 the the DT 28553 2248 13 function function NN 28553 2248 14 of of IN 28553 2248 15 a a DT 28553 2248 16 pair pair NN 28553 2248 17 of of IN 28553 2248 18 spectacles spectacle NNS 28553 2248 19 . . . 28553 2249 1 A a DT 28553 2249 2 great great JJ 28553 2249 3 many many JJ 28553 2249 4 people people NNS 28553 2249 5 of of IN 28553 2249 6 all all DT 28553 2249 7 ages age NNS 28553 2249 8 suffer suffer VBP 28553 2249 9 from from IN 28553 2249 10 short short JJ 28553 2249 11 - - HYPH 28553 2249 12 sight sight NN 28553 2249 13 . . . 28553 2250 1 For for IN 28553 2250 2 one one CD 28553 2250 3 reason reason NN 28553 2250 4 or or CC 28553 2250 5 another another DT 28553 2250 6 the the DT 28553 2250 7 distance distance NN 28553 2250 8 between between IN 28553 2250 9 lens lens NN 28553 2250 10 and and CC 28553 2250 11 retina retina NNP 28553 2250 12 becomes become VBZ 28553 2250 13 too too RB 28553 2250 14 great great JJ 28553 2250 15 for for IN 28553 2250 16 a a DT 28553 2250 17 person person NN 28553 2250 18 to to TO 28553 2250 19 distinguish distinguish VB 28553 2250 20 distant distant JJ 28553 2250 21 objects object NNS 28553 2250 22 clearly clearly RB 28553 2250 23 . . . 28553 2251 1 The the DT 28553 2251 2 lens lens NN 28553 2251 3 , , , 28553 2251 4 as as IN 28553 2251 5 shown show VBN 28553 2251 6 in in IN 28553 2251 7 Fig Fig NNP 28553 2251 8 117_a 117_a NNP 28553 2251 9 _ _ NNP 28553 2251 10 , , , 28553 2251 11 is be VBZ 28553 2251 12 too too RB 28553 2251 13 convex convex NNP 28553 2251 14 -- -- : 28553 2251 15 has have VBZ 28553 2251 16 its -PRON- PRP$ 28553 2251 17 minimum minimum JJ 28553 2251 18 focus focus NN 28553 2251 19 too too RB 28553 2251 20 short short JJ 28553 2251 21 -- -- : 28553 2251 22 and and CC 28553 2251 23 the the DT 28553 2251 24 rays ray NNS 28553 2251 25 meet meet VBP 28553 2251 26 and and CC 28553 2251 27 cross cross VBP 28553 2251 28 before before IN 28553 2251 29 they -PRON- PRP 28553 2251 30 reach reach VBP 28553 2251 31 the the DT 28553 2251 32 retina retina NNP 28553 2251 33 , , , 28553 2251 34 causing cause VBG 28553 2251 35 general general JJ 28553 2251 36 confusion confusion NN 28553 2251 37 of of IN 28553 2251 38 outline outline NN 28553 2251 39 . . . 28553 2252 1 This this DT 28553 2252 2 defect defect NN 28553 2252 3 is be VBZ 28553 2252 4 simply simply RB 28553 2252 5 remedied remedie VBN 28553 2252 6 by by IN 28553 2252 7 placing place VBG 28553 2252 8 in in IN 28553 2252 9 front front NN 28553 2252 10 of of IN 28553 2252 11 the the DT 28553 2252 12 eye eye NN 28553 2252 13 ( ( -LRB- 28553 2252 14 Fig fig NN 28553 2252 15 . . . 28553 2253 1 117_b 117_b CD 28553 2253 2 _ _ NNP 28553 2253 3 ) ) -RRB- 28553 2253 4 a a DT 28553 2253 5 _ _ NNP 28553 2253 6 concave concave NNP 28553 2253 7 _ _ NNP 28553 2253 8 lens lens NN 28553 2253 9 , , , 28553 2253 10 to to TO 28553 2253 11 disperse disperse VB 28553 2253 12 the the DT 28553 2253 13 rays ray NNS 28553 2253 14 somewhat somewhat RB 28553 2253 15 before before IN 28553 2253 16 they -PRON- PRP 28553 2253 17 enter enter VBP 28553 2253 18 the the DT 28553 2253 19 eye eye NN 28553 2253 20 , , , 28553 2253 21 so so IN 28553 2253 22 that that IN 28553 2253 23 they -PRON- PRP 28553 2253 24 come come VBP 28553 2253 25 to to IN 28553 2253 26 a a DT 28553 2253 27 focus focus NN 28553 2253 28 on on IN 28553 2253 29 the the DT 28553 2253 30 retina retina NNP 28553 2253 31 . . . 28553 2254 1 If if IN 28553 2254 2 a a DT 28553 2254 3 person person NN 28553 2254 4 's 's POS 28553 2254 5 sight sight NN 28553 2254 6 is be VBZ 28553 2254 7 thus thus RB 28553 2254 8 corrected correct VBN 28553 2254 9 for for IN 28553 2254 10 distant distant JJ 28553 2254 11 objects object NNS 28553 2254 12 , , , 28553 2254 13 he -PRON- PRP 28553 2254 14 can can MD 28553 2254 15 still still RB 28553 2254 16 see see VB 28553 2254 17 near near IN 28553 2254 18 objects object NNS 28553 2254 19 quite quite RB 28553 2254 20 plainly plainly RB 28553 2254 21 , , , 28553 2254 22 as as IN 28553 2254 23 the the DT 28553 2254 24 lens lens NN 28553 2254 25 will will MD 28553 2254 26 accommodate accommodate VB 28553 2254 27 its -PRON- PRP$ 28553 2254 28 convexity convexity NN 28553 2254 29 for for IN 28553 2254 30 them -PRON- PRP 28553 2254 31 . . . 28553 2255 1 The the DT 28553 2255 2 scientific scientific JJ 28553 2255 3 term term NN 28553 2255 4 for for IN 28553 2255 5 short short JJ 28553 2255 6 - - HYPH 28553 2255 7 sight sight NN 28553 2255 8 is be VBZ 28553 2255 9 _ _ NNP 28553 2255 10 myopia myopia NNP 28553 2255 11 _ _ NNP 28553 2255 12 . . . 28553 2256 1 Long long JJ 28553 2256 2 - - HYPH 28553 2256 3 sight sight NN 28553 2256 4 , , , 28553 2256 5 or or CC 28553 2256 6 _ _ NNP 28553 2256 7 hypermetropia hypermetropia NNP 28553 2256 8 _ _ NNP 28553 2256 9 , , , 28553 2256 10 signifies signify VBZ 28553 2256 11 that that IN 28553 2256 12 the the DT 28553 2256 13 eyeball eyeball NN 28553 2256 14 is be VBZ 28553 2256 15 too too RB 28553 2256 16 short short JJ 28553 2256 17 or or CC 28553 2256 18 the the DT 28553 2256 19 lens lens NN 28553 2256 20 too too RB 28553 2256 21 flat flat JJ 28553 2256 22 . . . 28553 2257 1 Fig fig NN 28553 2257 2 . . . 28553 2258 1 118_a 118_a NNP 28553 2258 2 _ _ NNP 28553 2258 3 represents represent VBZ 28553 2258 4 the the DT 28553 2258 5 normal normal JJ 28553 2258 6 condition condition NN 28553 2258 7 of of IN 28553 2258 8 a a DT 28553 2258 9 long long RB 28553 2258 10 - - HYPH 28553 2258 11 sighted sighted JJ 28553 2258 12 eye eye NN 28553 2258 13 . . . 28553 2259 1 When when WRB 28553 2259 2 looking look VBG 28553 2259 3 at at IN 28553 2259 4 a a DT 28553 2259 5 distant distant JJ 28553 2259 6 object object NN 28553 2259 7 the the DT 28553 2259 8 eye eye NN 28553 2259 9 thickens thicken VBZ 28553 2259 10 slightly slightly RB 28553 2259 11 and and CC 28553 2259 12 brings bring VBZ 28553 2259 13 the the DT 28553 2259 14 focus focus NN 28553 2259 15 forward forward RB 28553 2259 16 into into IN 28553 2259 17 the the DT 28553 2259 18 retina retina NNP 28553 2259 19 . . . 28553 2260 1 But but CC 28553 2260 2 its -PRON- PRP$ 28553 2260 3 thickening thickening NN 28553 2260 4 power power NN 28553 2260 5 in in IN 28553 2260 6 such such PDT 28553 2260 7 an an DT 28553 2260 8 eye eye NN 28553 2260 9 is be VBZ 28553 2260 10 very very RB 28553 2260 11 limited limited JJ 28553 2260 12 , , , 28553 2260 13 and and CC 28553 2260 14 consequently consequently RB 28553 2260 15 the the DT 28553 2260 16 rays ray NNS 28553 2260 17 from from IN 28553 2260 18 a a DT 28553 2260 19 near near JJ 28553 2260 20 object object NN 28553 2260 21 focus focus NN 28553 2260 22 behind behind IN 28553 2260 23 the the DT 28553 2260 24 retina retina NNP 28553 2260 25 . . . 28553 2261 1 It -PRON- PRP 28553 2261 2 is be VBZ 28553 2261 3 therefore therefore RB 28553 2261 4 necessary necessary JJ 28553 2261 5 for for IN 28553 2261 6 a a DT 28553 2261 7 long long RB 28553 2261 8 - - HYPH 28553 2261 9 sighted sighted JJ 28553 2261 10 person person NN 28553 2261 11 to to TO 28553 2261 12 use use VB 28553 2261 13 _ _ NNP 28553 2261 14 convex convex NNP 28553 2261 15 _ _ NNP 28553 2261 16 spectacles spectacle NNS 28553 2261 17 for for IN 28553 2261 18 reading read VBG 28553 2261 19 the the DT 28553 2261 20 newspaper newspaper NN 28553 2261 21 . . . 28553 2262 1 As as IN 28553 2262 2 seen see VBN 28553 2262 3 in in IN 28553 2262 4 Fig Fig NNP 28553 2262 5 . . . 28553 2263 1 118_b 118_b NNP 28553 2263 2 _ _ NNP 28553 2263 3 , , , 28553 2263 4 the the DT 28553 2263 5 spectacle spectacle NN 28553 2263 6 lens lens NN 28553 2263 7 concentrates concentrate VBZ 28553 2263 8 the the DT 28553 2263 9 rays ray NNS 28553 2263 10 before before IN 28553 2263 11 they -PRON- PRP 28553 2263 12 enter enter VBP 28553 2263 13 the the DT 28553 2263 14 eye eye NN 28553 2263 15 , , , 28553 2263 16 and and CC 28553 2263 17 so so RB 28553 2263 18 does do VBZ 28553 2263 19 part part NN 28553 2263 20 of of IN 28553 2263 21 the the DT 28553 2263 22 eye eye NN 28553 2263 23 's 's POS 28553 2263 24 work work NN 28553 2263 25 for for IN 28553 2263 26 it -PRON- PRP 28553 2263 27 . . . 28553 2264 1 Returning return VBG 28553 2264 2 for for IN 28553 2264 3 a a DT 28553 2264 4 moment moment NN 28553 2264 5 to to IN 28553 2264 6 the the DT 28553 2264 7 diagram diagram NN 28553 2264 8 of of IN 28553 2264 9 the the DT 28553 2264 10 eye eye NN 28553 2264 11 ( ( -LRB- 28553 2264 12 Fig fig NN 28553 2264 13 . . . 28553 2265 1 116 116 LS 28553 2265 2 ) ) -RRB- 28553 2265 3 , , , 28553 2265 4 we -PRON- PRP 28553 2265 5 notice notice VBP 28553 2265 6 a a DT 28553 2265 7 black black JJ 28553 2265 8 patch patch NN 28553 2265 9 on on IN 28553 2265 10 the the DT 28553 2265 11 retina retina NNP 28553 2265 12 near near IN 28553 2265 13 the the DT 28553 2265 14 optic optic JJ 28553 2265 15 nerve nerve NN 28553 2265 16 . . . 28553 2266 1 This this DT 28553 2266 2 is be VBZ 28553 2266 3 the the DT 28553 2266 4 " " `` 28553 2266 5 yellow yellow JJ 28553 2266 6 spot spot NN 28553 2266 7 . . . 28553 2266 8 " " '' 28553 2267 1 Vision vision NN 28553 2267 2 is be VBZ 28553 2267 3 most most RBS 28553 2267 4 distinct distinct JJ 28553 2267 5 when when WRB 28553 2267 6 the the DT 28553 2267 7 image image NN 28553 2267 8 of of IN 28553 2267 9 the the DT 28553 2267 10 object object NN 28553 2267 11 looked look VBD 28553 2267 12 at at IN 28553 2267 13 is be VBZ 28553 2267 14 formed form VBN 28553 2267 15 on on IN 28553 2267 16 this this DT 28553 2267 17 part part NN 28553 2267 18 of of IN 28553 2267 19 the the DT 28553 2267 20 retina retina NNP 28553 2267 21 . . . 28553 2268 1 The the DT 28553 2268 2 " " `` 28553 2268 3 blind blind JJ 28553 2268 4 spot spot NN 28553 2268 5 " " '' 28553 2268 6 is be VBZ 28553 2268 7 that that DT 28553 2268 8 point point NN 28553 2268 9 at at IN 28553 2268 10 which which WDT 28553 2268 11 the the DT 28553 2268 12 optic optic JJ 28553 2268 13 nerve nerve NN 28553 2268 14 enters enter VBZ 28553 2268 15 the the DT 28553 2268 16 retina retina NNP 28553 2268 17 , , , 28553 2268 18 being be VBG 28553 2268 19 so so RB 28553 2268 20 called call VBN 28553 2268 21 from from IN 28553 2268 22 the the DT 28553 2268 23 fact fact NN 28553 2268 24 that that IN 28553 2268 25 it -PRON- PRP 28553 2268 26 is be VBZ 28553 2268 27 quite quite RB 28553 2268 28 insensitive insensitive JJ 28553 2268 29 to to IN 28553 2268 30 light light NN 28553 2268 31 . . . 28553 2269 1 The the DT 28553 2269 2 finding finding NN 28553 2269 3 of of IN 28553 2269 4 the the DT 28553 2269 5 blind blind JJ 28553 2269 6 spot spot NN 28553 2269 7 is be VBZ 28553 2269 8 an an DT 28553 2269 9 interesting interesting JJ 28553 2269 10 little little JJ 28553 2269 11 experiment experiment NN 28553 2269 12 . . . 28553 2270 1 On on IN 28553 2270 2 a a DT 28553 2270 3 card card NN 28553 2270 4 make make VBP 28553 2270 5 a a DT 28553 2270 6 large large JJ 28553 2270 7 and and CC 28553 2270 8 a a DT 28553 2270 9 small small JJ 28553 2270 10 spot spot NN 28553 2270 11 three three CD 28553 2270 12 inches inch NNS 28553 2270 13 apart apart RB 28553 2270 14 , , , 28553 2270 15 the the DT 28553 2270 16 one one NN 28553 2270 17 an an DT 28553 2270 18 eighth eighth JJ 28553 2270 19 , , , 28553 2270 20 the the DT 28553 2270 21 other other JJ 28553 2270 22 half half PDT 28553 2270 23 an an DT 28553 2270 24 inch inch NN 28553 2270 25 in in IN 28553 2270 26 diameter diameter NN 28553 2270 27 . . . 28553 2271 1 Bring bring VB 28553 2271 2 the the DT 28553 2271 3 card card NN 28553 2271 4 near near IN 28553 2271 5 the the DT 28553 2271 6 face face NN 28553 2271 7 so so IN 28553 2271 8 that that IN 28553 2271 9 an an DT 28553 2271 10 eye eye NN 28553 2271 11 is be VBZ 28553 2271 12 exactly exactly RB 28553 2271 13 opposite opposite JJ 28553 2271 14 to to IN 28553 2271 15 each each DT 28553 2271 16 spot spot NN 28553 2271 17 , , , 28553 2271 18 and and CC 28553 2271 19 close close VB 28553 2271 20 the the DT 28553 2271 21 eye eye NN 28553 2271 22 opposite opposite IN 28553 2271 23 to to IN 28553 2271 24 the the DT 28553 2271 25 smaller small JJR 28553 2271 26 . . . 28553 2272 1 Now now RB 28553 2272 2 direct direct VB 28553 2272 3 the the DT 28553 2272 4 other other JJ 28553 2272 5 eye eye NN 28553 2272 6 to to IN 28553 2272 7 this this DT 28553 2272 8 spot spot NN 28553 2272 9 and and CC 28553 2272 10 you -PRON- PRP 28553 2272 11 will will MD 28553 2272 12 find find VB 28553 2272 13 , , , 28553 2272 14 if if IN 28553 2272 15 the the DT 28553 2272 16 card card NN 28553 2272 17 be be VB 28553 2272 18 moved move VBN 28553 2272 19 backwards backwards RB 28553 2272 20 and and CC 28553 2272 21 forwards forwards RB 28553 2272 22 , , , 28553 2272 23 that that IN 28553 2272 24 at at IN 28553 2272 25 a a DT 28553 2272 26 certain certain JJ 28553 2272 27 distance distance NN 28553 2272 28 the the DT 28553 2272 29 large large JJ 28553 2272 30 spot spot NN 28553 2272 31 , , , 28553 2272 32 though though IN 28553 2272 33 many many JJ 28553 2272 34 times time NNS 28553 2272 35 larger large JJR 28553 2272 36 than than IN 28553 2272 37 its -PRON- PRP$ 28553 2272 38 fellow fellow NN 28553 2272 39 , , , 28553 2272 40 has have VBZ 28553 2272 41 completely completely RB 28553 2272 42 vanished vanish VBN 28553 2272 43 , , , 28553 2272 44 because because IN 28553 2272 45 the the DT 28553 2272 46 rays ray NNS 28553 2272 47 from from IN 28553 2272 48 it -PRON- PRP 28553 2272 49 enter enter VBP 28553 2272 50 the the DT 28553 2272 51 open open JJ 28553 2272 52 eye eye NN 28553 2272 53 obliquely obliquely RB 28553 2272 54 and and CC 28553 2272 55 fall fall VB 28553 2272 56 on on IN 28553 2272 57 the the DT 28553 2272 58 " " `` 28553 2272 59 blind blind JJ 28553 2272 60 spot spot NN 28553 2272 61 . . . 28553 2272 62 " " '' 28553 2273 1 Chapter chapter NN 28553 2273 2 XIII XIII NNP 28553 2273 3 . . . 28553 2274 1 THE the DT 28553 2274 2 MICROSCOPE MICROSCOPE NNP 28553 2274 3 , , , 28553 2274 4 THE the DT 28553 2274 5 TELESCOPE telescope NN 28553 2274 6 , , , 28553 2274 7 AND and CC 28553 2274 8 THE the DT 28553 2274 9 MAGIC magic NN 28553 2274 10 - - HYPH 28553 2274 11 LANTERN LANTERN NNP 28553 2274 12 . . . 28553 2275 1 The the DT 28553 2275 2 simple simple JJ 28553 2275 3 microscope microscope NN 28553 2275 4 -- -- : 28553 2275 5 Use Use NNP 28553 2275 6 of of IN 28553 2275 7 the the DT 28553 2275 8 simple simple JJ 28553 2275 9 microscope microscope NN 28553 2275 10 in in IN 28553 2275 11 the the DT 28553 2275 12 telescope telescope NN 28553 2275 13 -- -- : 28553 2275 14 The the DT 28553 2275 15 terrestrial terrestrial JJ 28553 2275 16 telescope telescope NN 28553 2275 17 -- -- : 28553 2275 18 The the DT 28553 2275 19 Galilean Galilean NNP 28553 2275 20 telescope telescope NN 28553 2275 21 -- -- : 28553 2275 22 The the DT 28553 2275 23 prismatic prismatic JJ 28553 2275 24 telescope telescope NN 28553 2275 25 -- -- : 28553 2275 26 The the DT 28553 2275 27 reflecting reflect VBG 28553 2275 28 telescope telescope NN 28553 2275 29 -- -- : 28553 2275 30 The the DT 28553 2275 31 parabolic parabolic JJ 28553 2275 32 mirror mirror NN 28553 2275 33 -- -- : 28553 2275 34 The the DT 28553 2275 35 compound compound NN 28553 2275 36 microscope microscope NN 28553 2275 37 -- -- : 28553 2275 38 The the DT 28553 2275 39 magic magic NN 28553 2275 40 - - HYPH 28553 2275 41 lantern lantern NN 28553 2275 42 -- -- : 28553 2275 43 The the DT 28553 2275 44 bioscope bioscope NN 28553 2275 45 -- -- : 28553 2275 46 The the DT 28553 2275 47 plane plane NN 28553 2275 48 mirror mirror NN 28553 2275 49 . . . 28553 2276 1 In in IN 28553 2276 2 Fig Fig NNP 28553 2276 3 . . . 28553 2277 1 119 119 CD 28553 2277 2 is be VBZ 28553 2277 3 represented represent VBN 28553 2277 4 an an DT 28553 2277 5 eye eye NN 28553 2277 6 looking look VBG 28553 2277 7 at at IN 28553 2277 8 a a DT 28553 2277 9 vase vase NN 28553 2277 10 , , , 28553 2277 11 three three CD 28553 2277 12 inches inch NNS 28553 2277 13 high high JJ 28553 2277 14 , , , 28553 2277 15 situated situate VBN 28553 2277 16 at at IN 28553 2277 17 A A NNP 28553 2277 18 , , , 28553 2277 19 a a DT 28553 2277 20 foot foot NN 28553 2277 21 away away RB 28553 2277 22 . . . 28553 2278 1 If if IN 28553 2278 2 we -PRON- PRP 28553 2278 3 were be VBD 28553 2278 4 to to TO 28553 2278 5 place place VB 28553 2278 6 another another DT 28553 2278 7 vase vase NN 28553 2278 8 , , , 28553 2278 9 B b NN 28553 2278 10 , , , 28553 2278 11 six six CD 28553 2278 12 inches inch NNS 28553 2278 13 high high JJ 28553 2278 14 , , , 28553 2278 15 at at IN 28553 2278 16 a a DT 28553 2278 17 distance distance NN 28553 2278 18 of of IN 28553 2278 19 two two CD 28553 2278 20 feet foot NNS 28553 2278 21 ; ; : 28553 2278 22 or or CC 28553 2278 23 C C NNP 28553 2278 24 , , , 28553 2278 25 nine nine CD 28553 2278 26 inches inch NNS 28553 2278 27 high high JJ 28553 2278 28 , , , 28553 2278 29 at at IN 28553 2278 30 three three CD 28553 2278 31 feet foot NNS 28553 2278 32 ; ; : 28553 2278 33 or or CC 28553 2278 34 D d NN 28553 2278 35 , , , 28553 2278 36 a a DT 28553 2278 37 foot foot NN 28553 2278 38 high high JJ 28553 2278 39 , , , 28553 2278 40 at at IN 28553 2278 41 four four CD 28553 2278 42 feet foot NNS 28553 2278 43 , , , 28553 2278 44 the the DT 28553 2278 45 image image NN 28553 2278 46 on on IN 28553 2278 47 the the DT 28553 2278 48 retina retina NNP 28553 2278 49 would would MD 28553 2278 50 in in IN 28553 2278 51 every every DT 28553 2278 52 case case NN 28553 2278 53 be be VB 28553 2278 54 of of IN 28553 2278 55 the the DT 28553 2278 56 same same JJ 28553 2278 57 size size NN 28553 2278 58 as as IN 28553 2278 59 that that DT 28553 2278 60 cast cast VBN 28553 2278 61 by by IN 28553 2278 62 A. a. NN 28553 2279 1 We -PRON- PRP 28553 2279 2 can can MD 28553 2279 3 therefore therefore RB 28553 2279 4 lay lay VB 28553 2279 5 down down RP 28553 2279 6 the the DT 28553 2279 7 rule rule NN 28553 2279 8 that that WDT 28553 2279 9 _ _ NNP 28553 2279 10 the the DT 28553 2279 11 apparent apparent JJ 28553 2279 12 size size NN 28553 2279 13 of of IN 28553 2279 14 an an DT 28553 2279 15 object object NN 28553 2279 16 depends depend VBZ 28553 2279 17 on on IN 28553 2279 18 the the DT 28553 2279 19 angle angle NN 28553 2279 20 that that WDT 28553 2279 21 it -PRON- PRP 28553 2279 22 subtends subtend VBZ 28553 2279 23 at at IN 28553 2279 24 the the DT 28553 2279 25 eye eye NN 28553 2279 26 _ _ NNP 28553 2279 27 . . . 28553 2280 1 [ [ -LRB- 28553 2280 2 Illustration illustration NN 28553 2280 3 : : : 28553 2280 4 FIG FIG NNP 28553 2280 5 . . . 28553 2281 1 119 119 CD 28553 2281 2 . . . 28553 2281 3 ] ] -RRB- 28553 2282 1 To to TO 28553 2282 2 see see VB 28553 2282 3 a a DT 28553 2282 4 thing thing NN 28553 2282 5 more more RBR 28553 2282 6 plainly plainly RB 28553 2282 7 , , , 28553 2282 8 we -PRON- PRP 28553 2282 9 go go VBP 28553 2282 10 nearer nearer RB 28553 2282 11 to to IN 28553 2282 12 it -PRON- PRP 28553 2282 13 ; ; : 28553 2282 14 and and CC 28553 2282 15 if if IN 28553 2282 16 it -PRON- PRP 28553 2282 17 be be VB 28553 2282 18 very very RB 28553 2282 19 small small JJ 28553 2282 20 , , , 28553 2282 21 we -PRON- PRP 28553 2282 22 hold hold VBP 28553 2282 23 it -PRON- PRP 28553 2282 24 close close JJ 28553 2282 25 to to IN 28553 2282 26 the the DT 28553 2282 27 eye eye NN 28553 2282 28 . . . 28553 2283 1 There there EX 28553 2283 2 is be VBZ 28553 2283 3 , , , 28553 2283 4 however however RB 28553 2283 5 , , , 28553 2283 6 a a DT 28553 2283 7 limit limit NN 28553 2283 8 to to IN 28553 2283 9 the the DT 28553 2283 10 nearness nearness NN 28553 2283 11 to to TO 28553 2283 12 which which WDT 28553 2283 13 it -PRON- PRP 28553 2283 14 can can MD 28553 2283 15 be be VB 28553 2283 16 brought bring VBN 28553 2283 17 with with IN 28553 2283 18 advantage advantage NN 28553 2283 19 . . . 28553 2284 1 The the DT 28553 2284 2 normal normal JJ 28553 2284 3 eye eye NN 28553 2284 4 is be VBZ 28553 2284 5 unable unable JJ 28553 2284 6 to to TO 28553 2284 7 adapt adapt VB 28553 2284 8 its -PRON- PRP$ 28553 2284 9 focus focus NN 28553 2284 10 to to IN 28553 2284 11 an an DT 28553 2284 12 object object NN 28553 2284 13 less less JJR 28553 2284 14 than than IN 28553 2284 15 about about RB 28553 2284 16 ten ten CD 28553 2284 17 inches inch NNS 28553 2284 18 away away RB 28553 2284 19 , , , 28553 2284 20 termed term VBD 28553 2284 21 the the DT 28553 2284 22 " " `` 28553 2284 23 least least JJS 28553 2284 24 distance distance NN 28553 2284 25 of of IN 28553 2284 26 distinct distinct JJ 28553 2284 27 vision vision NN 28553 2284 28 . . . 28553 2284 29 " " '' 28553 2285 1 THE the DT 28553 2285 2 SIMPLE SIMPLE NNP 28553 2285 3 MICROSCOPE microscope NN 28553 2285 4 . . . 28553 2286 1 [ [ -LRB- 28553 2286 2 Illustration illustration NN 28553 2286 3 : : : 28553 2286 4 FIG FIG NNP 28553 2286 5 . . . 28553 2287 1 120 120 CD 28553 2287 2 . . . 28553 2287 3 ] ] -RRB- 28553 2288 1 A a DT 28553 2288 2 magnifying magnify VBG 28553 2288 3 glass glass NN 28553 2288 4 comes come VBZ 28553 2288 5 in in IN 28553 2288 6 useful useful JJ 28553 2288 7 when when WRB 28553 2288 8 we -PRON- PRP 28553 2288 9 want want VBP 28553 2288 10 to to TO 28553 2288 11 examine examine VB 28553 2288 12 an an DT 28553 2288 13 object object NN 28553 2288 14 very very RB 28553 2288 15 closely closely RB 28553 2288 16 . . . 28553 2289 1 The the DT 28553 2289 2 glass glass NN 28553 2289 3 is be VBZ 28553 2289 4 a a DT 28553 2289 5 lens lens NN 28553 2289 6 of of IN 28553 2289 7 short short JJ 28553 2289 8 focus focus NN 28553 2289 9 , , , 28553 2289 10 held hold VBN 28553 2289 11 at at IN 28553 2289 12 a a DT 28553 2289 13 distance distance NN 28553 2289 14 somewhat somewhat RB 28553 2289 15 less less JJR 28553 2289 16 than than IN 28553 2289 17 its -PRON- PRP$ 28553 2289 18 principal principal JJ 28553 2289 19 focal focal JJ 28553 2289 20 length length NN 28553 2289 21 , , , 28553 2289 22 F F NNP 28553 2289 23 ( ( -LRB- 28553 2289 24 see see VB 28553 2289 25 Fig Fig NNP 28553 2289 26 . . . 28553 2290 1 120 120 CD 28553 2290 2 ) ) -RRB- 28553 2290 3 , , , 28553 2290 4 from from IN 28553 2290 5 the the DT 28553 2290 6 object object NN 28553 2290 7 . . . 28553 2291 1 The the DT 28553 2291 2 rays ray NNS 28553 2291 3 from from IN 28553 2291 4 the the DT 28553 2291 5 head head NN 28553 2291 6 and and CC 28553 2291 7 tip tip NN 28553 2291 8 of of IN 28553 2291 9 the the DT 28553 2291 10 pin pin NN 28553 2291 11 which which WDT 28553 2291 12 enter enter VBP 28553 2291 13 the the DT 28553 2291 14 eye eye NN 28553 2291 15 are be VBP 28553 2291 16 denoted denote VBN 28553 2291 17 by by IN 28553 2291 18 continuous continuous JJ 28553 2291 19 lines line NNS 28553 2291 20 . . . 28553 2292 1 As as IN 28553 2292 2 they -PRON- PRP 28553 2292 3 are be VBP 28553 2292 4 deflected deflect VBN 28553 2292 5 by by IN 28553 2292 6 the the DT 28553 2292 7 glass glass NN 28553 2292 8 the the DT 28553 2292 9 eye eye NN 28553 2292 10 gets get VBZ 28553 2292 11 the the DT 28553 2292 12 _ _ NNP 28553 2292 13 impression impression NN 28553 2292 14 _ _ NNP 28553 2292 15 that that IN 28553 2292 16 a a DT 28553 2292 17 much much RB 28553 2292 18 longer long JJR 28553 2292 19 pin pin NN 28553 2292 20 is be VBZ 28553 2292 21 situated situate VBN 28553 2292 22 a a DT 28553 2292 23 considerable considerable JJ 28553 2292 24 distance distance NN 28553 2292 25 behind behind IN 28553 2292 26 the the DT 28553 2292 27 real real JJ 28553 2292 28 object object NN 28553 2292 29 in in IN 28553 2292 30 the the DT 28553 2292 31 plane plane NN 28553 2292 32 in in IN 28553 2292 33 which which WDT 28553 2292 34 the the DT 28553 2292 35 refracted refract VBN 28553 2292 36 rays ray NNS 28553 2292 37 would would MD 28553 2292 38 meet meet VB 28553 2292 39 if if IN 28553 2292 40 produced produce VBN 28553 2292 41 backwards backwards RB 28553 2292 42 ( ( -LRB- 28553 2292 43 shown show VBN 28553 2292 44 by by IN 28553 2292 45 the the DT 28553 2292 46 dotted dotted JJ 28553 2292 47 lines line NNS 28553 2292 48 ) ) -RRB- 28553 2292 49 . . . 28553 2293 1 The the DT 28553 2293 2 effect effect NN 28553 2293 3 of of IN 28553 2293 4 the the DT 28553 2293 5 glass glass NN 28553 2293 6 , , , 28553 2293 7 practically practically RB 28553 2293 8 , , , 28553 2293 9 is be VBZ 28553 2293 10 to to TO 28553 2293 11 remove remove VB 28553 2293 12 it -PRON- PRP 28553 2293 13 ( ( -LRB- 28553 2293 14 the the DT 28553 2293 15 object object NN 28553 2293 16 ) ) -RRB- 28553 2293 17 to to TO 28553 2293 18 beyond beyond IN 28553 2293 19 the the DT 28553 2293 20 least least JJS 28553 2293 21 distance distance NN 28553 2293 22 of of IN 28553 2293 23 distinct distinct JJ 28553 2293 24 vision vision NN 28553 2293 25 , , , 28553 2293 26 and and CC 28553 2293 27 at at IN 28553 2293 28 the the DT 28553 2293 29 same same JJ 28553 2293 30 time time NN 28553 2293 31 to to TO 28553 2293 32 retain retain VB 28553 2293 33 undiminished undiminishe VBD 28553 2293 34 the the DT 28553 2293 35 angle angle NN 28553 2293 36 it -PRON- PRP 28553 2293 37 subtends subtend VBZ 28553 2293 38 at at IN 28553 2293 39 the the DT 28553 2293 40 eye eye NN 28553 2293 41 , , , 28553 2293 42 or or CC 28553 2293 43 , , , 28553 2293 44 what what WP 28553 2293 45 amounts amount VBZ 28553 2293 46 to to IN 28553 2293 47 the the DT 28553 2293 48 same same JJ 28553 2293 49 thing thing NN 28553 2293 50 , , , 28553 2293 51 the the DT 28553 2293 52 actual actual JJ 28553 2293 53 size size NN 28553 2293 54 of of IN 28553 2293 55 the the DT 28553 2293 56 image image NN 28553 2293 57 formed form VBN 28553 2293 58 on on IN 28553 2293 59 the the DT 28553 2293 60 retina retina NNP 28553 2293 61 . . . 28553 2294 1 [ [ -LRB- 28553 2294 2 22 22 CD 28553 2294 3 ] ] -RRB- 28553 2294 4 It -PRON- PRP 28553 2294 5 follows follow VBZ 28553 2294 6 , , , 28553 2294 7 therefore therefore RB 28553 2294 8 , , , 28553 2294 9 that that IN 28553 2294 10 if if IN 28553 2294 11 a a DT 28553 2294 12 lens lens NN 28553 2294 13 be be VB 28553 2294 14 of of IN 28553 2294 15 such such JJ 28553 2294 16 short short JJ 28553 2294 17 focus focus NN 28553 2294 18 that that IN 28553 2294 19 it -PRON- PRP 28553 2294 20 allows allow VBZ 28553 2294 21 us -PRON- PRP 28553 2294 22 to to TO 28553 2294 23 see see VB 28553 2294 24 an an DT 28553 2294 25 object object NN 28553 2294 26 clearly clearly RB 28553 2294 27 at at IN 28553 2294 28 a a DT 28553 2294 29 distance distance NN 28553 2294 30 of of IN 28553 2294 31 two two CD 28553 2294 32 inches inch NNS 28553 2294 33 -- -- : 28553 2294 34 that that RB 28553 2294 35 is is RB 28553 2294 36 , , , 28553 2294 37 one one CD 28553 2294 38 - - HYPH 28553 2294 39 fifth fifth NN 28553 2294 40 of of IN 28553 2294 41 the the DT 28553 2294 42 least least JJS 28553 2294 43 distance distance NN 28553 2294 44 of of IN 28553 2294 45 distinct distinct JJ 28553 2294 46 vision vision NN 28553 2294 47 -- -- : 28553 2294 48 we -PRON- PRP 28553 2294 49 shall shall MD 28553 2294 50 get get VB 28553 2294 51 an an DT 28553 2294 52 image image NN 28553 2294 53 on on IN 28553 2294 54 the the DT 28553 2294 55 retina retina NNP 28553 2294 56 five five CD 28553 2294 57 times time NNS 28553 2294 58 larger large JJR 28553 2294 59 in in IN 28553 2294 60 diameter diameter NN 28553 2294 61 than than IN 28553 2294 62 would would MD 28553 2294 63 be be VB 28553 2294 64 possible possible JJ 28553 2294 65 without without IN 28553 2294 66 the the DT 28553 2294 67 lens lens NN 28553 2294 68 . . . 28553 2295 1 The the DT 28553 2295 2 two two CD 28553 2295 3 simple simple JJ 28553 2295 4 diagrams diagram NNS 28553 2295 5 ( ( -LRB- 28553 2295 6 Figs fig NNS 28553 2295 7 . . . 28553 2296 1 121 121 CD 28553 2296 2 and and CC 28553 2296 3 122 122 CD 28553 2296 4 ) ) -RRB- 28553 2296 5 show show VBP 28553 2296 6 why why WRB 28553 2296 7 the the DT 28553 2296 8 image image NN 28553 2296 9 to to TO 28553 2296 10 be be VB 28553 2296 11 magnified magnify VBN 28553 2296 12 should should MD 28553 2296 13 be be VB 28553 2296 14 nearer nearer IN 28553 2296 15 to to IN 28553 2296 16 the the DT 28553 2296 17 lens lens NN 28553 2296 18 than than IN 28553 2296 19 the the DT 28553 2296 20 principal principal JJ 28553 2296 21 focus focus NN 28553 2296 22 , , , 28553 2296 23 F. F. NNP 28553 2296 24 We -PRON- PRP 28553 2296 25 have have VBP 28553 2296 26 already already RB 28553 2296 27 seen see VBN 28553 2296 28 ( ( -LRB- 28553 2296 29 Fig fig NN 28553 2296 30 . . . 28553 2297 1 109 109 LS 28553 2297 2 ) ) -RRB- 28553 2297 3 that that IN 28553 2297 4 rays ray NNS 28553 2297 5 coming come VBG 28553 2297 6 from from IN 28553 2297 7 a a DT 28553 2297 8 point point NN 28553 2297 9 in in IN 28553 2297 10 the the DT 28553 2297 11 principal principal JJ 28553 2297 12 focal focal JJ 28553 2297 13 plane plane NN 28553 2297 14 emerge emerge NN 28553 2297 15 as as IN 28553 2297 16 a a DT 28553 2297 17 parallel parallel JJ 28553 2297 18 pencil pencil NN 28553 2297 19 . . . 28553 2298 1 These these DT 28553 2298 2 the the DT 28553 2298 3 eye eye NN 28553 2298 4 can can MD 28553 2298 5 bring bring VB 28553 2298 6 to to IN 28553 2298 7 a a DT 28553 2298 8 focus focus NN 28553 2298 9 , , , 28553 2298 10 because because IN 28553 2298 11 it -PRON- PRP 28553 2298 12 normally normally RB 28553 2298 13 has have VBZ 28553 2298 14 a a DT 28553 2298 15 curvature curvature NN 28553 2298 16 for for IN 28553 2298 17 focussing focusse VBG 28553 2298 18 parallel parallel JJ 28553 2298 19 rays ray NNS 28553 2298 20 . . . 28553 2299 1 But but CC 28553 2299 2 , , , 28553 2299 3 owing owe VBG 28553 2299 4 to to IN 28553 2299 5 the the DT 28553 2299 6 power power NN 28553 2299 7 of of IN 28553 2299 8 " " `` 28553 2299 9 accommodation accommodation NN 28553 2299 10 , , , 28553 2299 11 " " '' 28553 2299 12 it -PRON- PRP 28553 2299 13 can can MD 28553 2299 14 also also RB 28553 2299 15 focus focus VB 28553 2299 16 _ _ NNP 28553 2299 17 diverging diverge VBG 28553 2299 18 _ _ NNP 28553 2299 19 rays ray NNS 28553 2299 20 ( ( -LRB- 28553 2299 21 Fig fig NN 28553 2299 22 . . . 28553 2300 1 121 121 CD 28553 2300 2 ) ) -RRB- 28553 2300 3 , , , 28553 2300 4 the the DT 28553 2300 5 eye eye NN 28553 2300 6 lens lens NN 28553 2300 7 thickening thicken VBG 28553 2300 8 the the DT 28553 2300 9 necessary necessary JJ 28553 2300 10 amount amount NN 28553 2300 11 , , , 28553 2300 12 and and CC 28553 2300 13 we -PRON- PRP 28553 2300 14 therefore therefore RB 28553 2300 15 put put VBP 28553 2300 16 our -PRON- PRP$ 28553 2300 17 magnifying magnify VBG 28553 2300 18 glass glass NN 28553 2300 19 a a DT 28553 2300 20 bit bit NN 28553 2300 21 nearer near JJR 28553 2300 22 than than IN 28553 2300 23 F f NN 28553 2300 24 to to TO 28553 2300 25 get get VB 28553 2300 26 full full JJ 28553 2300 27 advantage advantage NN 28553 2300 28 of of IN 28553 2300 29 proximity proximity NN 28553 2300 30 . . . 28553 2301 1 If if IN 28553 2301 2 we -PRON- PRP 28553 2301 3 had have VBD 28553 2301 4 the the DT 28553 2301 5 object object NN 28553 2301 6 _ _ NNP 28553 2301 7 outside outside IN 28553 2301 8 _ _ NNP 28553 2301 9 the the DT 28553 2301 10 principal principal JJ 28553 2301 11 focus focus NN 28553 2301 12 , , , 28553 2301 13 as as IN 28553 2301 14 in in IN 28553 2301 15 Fig Fig NNP 28553 2301 16 . . . 28553 2302 1 122 122 CD 28553 2302 2 , , , 28553 2302 3 the the DT 28553 2302 4 rays ray NNS 28553 2302 5 from from IN 28553 2302 6 it -PRON- PRP 28553 2302 7 would would MD 28553 2302 8 converge converge VB 28553 2302 9 , , , 28553 2302 10 and and CC 28553 2302 11 these these DT 28553 2302 12 could could MD 28553 2302 13 not not RB 28553 2302 14 be be VB 28553 2302 15 gathered gather VBN 28553 2302 16 to to IN 28553 2302 17 a a DT 28553 2302 18 sharp sharp JJ 28553 2302 19 point point NN 28553 2302 20 by by IN 28553 2302 21 the the DT 28553 2302 22 eye eye NN 28553 2302 23 lens lens NN 28553 2302 24 , , , 28553 2302 25 as as IN 28553 2302 26 it -PRON- PRP 28553 2302 27 can can MD 28553 2302 28 not not RB 28553 2302 29 _ _ NNP 28553 2302 30 flatten flatten VB 28553 2302 31 _ _ NNP 28553 2302 32 more more RBR 28553 2302 33 than than IN 28553 2302 34 is be VBZ 28553 2302 35 required require VBN 28553 2302 36 for for IN 28553 2302 37 focussing focusse VBG 28553 2302 38 parallel parallel JJ 28553 2302 39 rays ray NNS 28553 2302 40 . . . 28553 2303 1 [ [ -LRB- 28553 2303 2 Illustration illustration NN 28553 2303 3 : : : 28553 2303 4 FIG FIG NNP 28553 2303 5 . . . 28553 2304 1 121 121 CD 28553 2304 2 . . . 28553 2304 3 ] ] -RRB- 28553 2305 1 [ [ -LRB- 28553 2305 2 Illustration illustration NN 28553 2305 3 : : : 28553 2305 4 FIG FIG NNP 28553 2305 5 . . . 28553 2306 1 122 122 CD 28553 2306 2 . . . 28553 2306 3 ] ] -RRB- 28553 2307 1 USE use NN 28553 2307 2 OF of IN 28553 2307 3 THE the DT 28553 2307 4 SIMPLE SIMPLE NNP 28553 2307 5 MICROSCOPE microscope NN 28553 2307 6 IN in IN 28553 2307 7 THE the DT 28553 2307 8 TELESCOPE telescope NN 28553 2307 9 . . . 28553 2308 1 [ [ -LRB- 28553 2308 2 Illustration illustration NN 28553 2308 3 : : : 28553 2308 4 FIG FIG NNP 28553 2308 5 . . . 28553 2309 1 123 123 CD 28553 2309 2 . . . 28553 2309 3 ] ] -RRB- 28553 2310 1 Let let VB 28553 2310 2 us -PRON- PRP 28553 2310 3 now now RB 28553 2310 4 turn turn VB 28553 2310 5 to to IN 28553 2310 6 Fig Fig NNP 28553 2310 7 . . . 28553 2311 1 123 123 CD 28553 2311 2 . . . 28553 2312 1 At at IN 28553 2312 2 A a NN 28553 2312 3 is be VBZ 28553 2312 4 a a DT 28553 2312 5 distant distant JJ 28553 2312 6 object object NN 28553 2312 7 , , , 28553 2312 8 say say VB 28553 2312 9 , , , 28553 2312 10 a a DT 28553 2312 11 hundred hundred CD 28553 2312 12 yards yard NNS 28553 2312 13 away away RB 28553 2312 14 . . . 28553 2313 1 B b NN 28553 2313 2 is be VBZ 28553 2313 3 a a DT 28553 2313 4 double double JJ 28553 2313 5 convex convex NNP 28553 2313 6 lens lens NN 28553 2313 7 , , , 28553 2313 8 which which WDT 28553 2313 9 has have VBZ 28553 2313 10 a a DT 28553 2313 11 focal focal JJ 28553 2313 12 length length NN 28553 2313 13 of of IN 28553 2313 14 twenty twenty CD 28553 2313 15 inches inch NNS 28553 2313 16 . . . 28553 2314 1 We -PRON- PRP 28553 2314 2 may may MD 28553 2314 3 suppose suppose VB 28553 2314 4 that that IN 28553 2314 5 it -PRON- PRP 28553 2314 6 is be VBZ 28553 2314 7 a a DT 28553 2314 8 lens lens NN 28553 2314 9 in in IN 28553 2314 10 a a DT 28553 2314 11 camera camera NN 28553 2314 12 . . . 28553 2315 1 An an DT 28553 2315 2 inverted invert VBN 28553 2315 3 image image NN 28553 2315 4 of of IN 28553 2315 5 the the DT 28553 2315 6 object object NN 28553 2315 7 is be VBZ 28553 2315 8 cast cast VBN 28553 2315 9 by by IN 28553 2315 10 the the DT 28553 2315 11 lens lens NN 28553 2315 12 at at IN 28553 2315 13 C. C. NNP 28553 2315 14 If if IN 28553 2315 15 the the DT 28553 2315 16 eye eye NN 28553 2315 17 were be VBD 28553 2315 18 placed place VBN 28553 2315 19 at at IN 28553 2315 20 C c NN 28553 2315 21 , , , 28553 2315 22 it -PRON- PRP 28553 2315 23 would would MD 28553 2315 24 distinguish distinguish VB 28553 2315 25 nothing nothing NN 28553 2315 26 . . . 28553 2316 1 But but CC 28553 2316 2 if if IN 28553 2316 3 withdrawn withdraw VBN 28553 2316 4 to to IN 28553 2316 5 D d NN 28553 2316 6 , , , 28553 2316 7 the the DT 28553 2316 8 least least JJS 28553 2316 9 distance distance NN 28553 2316 10 of of IN 28553 2316 11 distinct distinct JJ 28553 2316 12 vision,[23 vision,[23 NNP 28553 2316 13 ] ] -RRB- 28553 2316 14 behind behind IN 28553 2316 15 C C NNP 28553 2316 16 , , , 28553 2316 17 the the DT 28553 2316 18 image image NN 28553 2316 19 is be VBZ 28553 2316 20 seen see VBN 28553 2316 21 clearly clearly RB 28553 2316 22 . . . 28553 2317 1 That that IN 28553 2317 2 the the DT 28553 2317 3 image image NN 28553 2317 4 really really RB 28553 2317 5 is be VBZ 28553 2317 6 at at IN 28553 2317 7 C C NNP 28553 2317 8 is be VBZ 28553 2317 9 proved prove VBN 28553 2317 10 by by IN 28553 2317 11 letting let VBG 28553 2317 12 down down RP 28553 2317 13 the the DT 28553 2317 14 focussing focussing NN 28553 2317 15 screen screen NN 28553 2317 16 , , , 28553 2317 17 which which WDT 28553 2317 18 at at IN 28553 2317 19 once once RB 28553 2317 20 catches catch VBZ 28553 2317 21 it -PRON- PRP 28553 2317 22 . . . 28553 2318 1 Now now RB 28553 2318 2 , , , 28553 2318 3 as as IN 28553 2318 4 the the DT 28553 2318 5 focus focus NN 28553 2318 6 of of IN 28553 2318 7 the the DT 28553 2318 8 lens lens NN 28553 2318 9 is be VBZ 28553 2318 10 twice twice RB 28553 2318 11 _ _ NNP 28553 2318 12 d d NNP 28553 2318 13 _ _ NNP 28553 2318 14 , , , 28553 2318 15 the the DT 28553 2318 16 image image NN 28553 2318 17 will will MD 28553 2318 18 be be VB 28553 2318 19 twice twice RB 28553 2318 20 as as RB 28553 2318 21 large large JJ 28553 2318 22 as as IN 28553 2318 23 the the DT 28553 2318 24 object object NN 28553 2318 25 would would MD 28553 2318 26 appear appear VB 28553 2318 27 if if IN 28553 2318 28 viewed view VBN 28553 2318 29 directly directly RB 28553 2318 30 without without IN 28553 2318 31 the the DT 28553 2318 32 lens lens NN 28553 2318 33 . . . 28553 2319 1 We -PRON- PRP 28553 2319 2 may may MD 28553 2319 3 put put VB 28553 2319 4 this this DT 28553 2319 5 into into IN 28553 2319 6 a a DT 28553 2319 7 very very RB 28553 2319 8 simple simple JJ 28553 2319 9 formula:-- formula:-- NN 28553 2319 10 Magnification magnification NN 28553 2319 11 = = SYM 28553 2319 12 focal focal JJ 28553 2319 13 length length NN 28553 2319 14 of of IN 28553 2319 15 lens lens NN 28553 2319 16 -------------------- -------------------- NFP 28553 2319 17 _ _ NNP 28553 2319 18 d d NNP 28553 2319 19 _ _ NNP 28553 2319 20 [ [ -LRB- 28553 2319 21 Illustration illustration NN 28553 2319 22 : : : 28553 2319 23 FIG FIG NNP 28553 2319 24 . . . 28553 2320 1 124 124 CD 28553 2320 2 . . . 28553 2320 3 ] ] -RRB- 28553 2321 1 In in IN 28553 2321 2 Fig Fig NNP 28553 2321 3 . . . 28553 2322 1 124 124 CD 28553 2322 2 we -PRON- PRP 28553 2322 3 have have VBP 28553 2322 4 interposed interpose VBN 28553 2322 5 between between IN 28553 2322 6 the the DT 28553 2322 7 eye eye NN 28553 2322 8 and and CC 28553 2322 9 the the DT 28553 2322 10 object object NN 28553 2322 11 a a DT 28553 2322 12 small small JJ 28553 2322 13 magnifying magnifying NN 28553 2322 14 glass glass NN 28553 2322 15 of of IN 28553 2322 16 2 2 CD 28553 2322 17 - - SYM 28553 2322 18 1/2-inch 1/2-inch CD 28553 2322 19 focus focus NN 28553 2322 20 , , , 28553 2322 21 so so IN 28553 2322 22 that that IN 28553 2322 23 the the DT 28553 2322 24 eye eye NN 28553 2322 25 can can MD 28553 2322 26 now now RB 28553 2322 27 clearly clearly RB 28553 2322 28 see see VB 28553 2322 29 the the DT 28553 2322 30 image image NN 28553 2322 31 when when WRB 28553 2322 32 one one CD 28553 2322 33 - - HYPH 28553 2322 34 quarter quarter NN 28553 2322 35 _ _ NNP 28553 2322 36 d d NNP 28553 2322 37 _ _ NNP 28553 2322 38 away away RB 28553 2322 39 from from IN 28553 2322 40 it -PRON- PRP 28553 2322 41 . . . 28553 2323 1 B B NNP 28553 2323 2 already already RB 28553 2323 3 magnifies magnify VBZ 28553 2323 4 the the DT 28553 2323 5 image image NN 28553 2323 6 twice twice RB 28553 2323 7 ; ; : 28553 2323 8 the the DT 28553 2323 9 eye eye NN 28553 2323 10 - - HYPH 28553 2323 11 piece piece NN 28553 2323 12 again again RB 28553 2323 13 magnifies magnify VBZ 28553 2323 14 it -PRON- PRP 28553 2323 15 four four CD 28553 2323 16 times time NNS 28553 2323 17 ; ; : 28553 2323 18 so so IN 28553 2323 19 that that IN 28553 2323 20 the the DT 28553 2323 21 total total JJ 28553 2323 22 magnification magnification NN 28553 2323 23 is be VBZ 28553 2323 24 2 2 CD 28553 2323 25 × × CD 28553 2323 26 4 4 CD 28553 2323 27 = = SYM 28553 2323 28 8 8 CD 28553 2323 29 times time NNS 28553 2323 30 . . . 28553 2324 1 This this DT 28553 2324 2 result result NN 28553 2324 3 is be VBZ 28553 2324 4 arrived arrive VBN 28553 2324 5 at at IN 28553 2324 6 quickly quickly RB 28553 2324 7 by by IN 28553 2324 8 dividing divide VBG 28553 2324 9 the the DT 28553 2324 10 focus focus NN 28553 2324 11 of of IN 28553 2324 12 B b NN 28553 2324 13 ( ( -LRB- 28553 2324 14 which which WDT 28553 2324 15 corresponds correspond VBZ 28553 2324 16 to to IN 28553 2324 17 the the DT 28553 2324 18 object object NN 28553 2324 19 - - HYPH 28553 2324 20 glass glass NN 28553 2324 21 of of IN 28553 2324 22 a a DT 28553 2324 23 telescope telescope NN 28553 2324 24 ) ) -RRB- 28553 2324 25 by by IN 28553 2324 26 the the DT 28553 2324 27 focus focus NN 28553 2324 28 of of IN 28553 2324 29 the the DT 28553 2324 30 eye eye NN 28553 2324 31 - - HYPH 28553 2324 32 piece piece NN 28553 2324 33 , , , 28553 2324 34 thus:-- thus:-- : 28553 2324 35 20 20 CD 28553 2324 36 _ _ NNP 28553 2324 37 _ _ NNP 28553 2324 38 _ _ NNP 28553 2324 39 _ _ NNP 28553 2324 40 = = SYM 28553 2324 41 8 8 CD 28553 2324 42 2 2 CD 28553 2324 43 - - CD 28553 2324 44 1/2 1/2 CD 28553 2324 45 The the DT 28553 2324 46 ordinary ordinary JJ 28553 2324 47 astronomical astronomical JJ 28553 2324 48 telescope telescope NN 28553 2324 49 has have VBZ 28553 2324 50 a a DT 28553 2324 51 very very RB 28553 2324 52 long long JJ 28553 2324 53 focus focus NN 28553 2324 54 object object NN 28553 2324 55 - - HYPH 28553 2324 56 glass glass NN 28553 2324 57 at at IN 28553 2324 58 one one CD 28553 2324 59 end end NN 28553 2324 60 of of IN 28553 2324 61 the the DT 28553 2324 62 tube tube NN 28553 2324 63 , , , 28553 2324 64 and and CC 28553 2324 65 a a DT 28553 2324 66 very very RB 28553 2324 67 short short JJ 28553 2324 68 focus focus NN 28553 2324 69 eye eye NN 28553 2324 70 - - HYPH 28553 2324 71 piece piece NN 28553 2324 72 at at IN 28553 2324 73 the the DT 28553 2324 74 other other JJ 28553 2324 75 . . . 28553 2325 1 To to TO 28553 2325 2 see see VB 28553 2325 3 an an DT 28553 2325 4 object object NN 28553 2325 5 clearly clearly RB 28553 2325 6 one one NN 28553 2325 7 merely merely RB 28553 2325 8 has have VBZ 28553 2325 9 to to TO 28553 2325 10 push push VB 28553 2325 11 in in RB 28553 2325 12 or or CC 28553 2325 13 pull pull VB 28553 2325 14 out out RP 28553 2325 15 the the DT 28553 2325 16 eye eye NN 28553 2325 17 - - HYPH 28553 2325 18 piece piece NN 28553 2325 19 until until IN 28553 2325 20 its -PRON- PRP$ 28553 2325 21 focus focus NN 28553 2325 22 exactly exactly RB 28553 2325 23 corresponds correspond VBZ 28553 2325 24 with with IN 28553 2325 25 that that DT 28553 2325 26 of of IN 28553 2325 27 the the DT 28553 2325 28 object object NN 28553 2325 29 - - HYPH 28553 2325 30 glass glass NN 28553 2325 31 . . . 28553 2326 1 THE the DT 28553 2326 2 TERRESTRIAL TERRESTRIAL NNP 28553 2326 3 TELESCOPE telescope NN 28553 2326 4 . . . 28553 2327 1 An an DT 28553 2327 2 astronomical astronomical JJ 28553 2327 3 telescope telescope NN 28553 2327 4 inverts invert NNS 28553 2327 5 images image NNS 28553 2327 6 . . . 28553 2328 1 This this DT 28553 2328 2 inversion inversion NN 28553 2328 3 is be VBZ 28553 2328 4 inconvenient inconvenient JJ 28553 2328 5 for for IN 28553 2328 6 other other JJ 28553 2328 7 purposes purpose NNS 28553 2328 8 . . . 28553 2329 1 So so RB 28553 2329 2 the the DT 28553 2329 3 terrestrial terrestrial JJ 28553 2329 4 telescope telescope NN 28553 2329 5 ( ( -LRB- 28553 2329 6 such such JJ 28553 2329 7 as as IN 28553 2329 8 is be VBZ 28553 2329 9 commonly commonly RB 28553 2329 10 used use VBN 28553 2329 11 by by IN 28553 2329 12 sailors sailor NNS 28553 2329 13 ) ) -RRB- 28553 2329 14 has have VBZ 28553 2329 15 an an DT 28553 2329 16 eye eye NN 28553 2329 17 - - HYPH 28553 2329 18 piece piece NN 28553 2329 19 compounded compound VBD 28553 2329 20 of of IN 28553 2329 21 four four CD 28553 2329 22 convex convex NNS 28553 2329 23 lenses lense NNS 28553 2329 24 which which WDT 28553 2329 25 erect erect VBP 28553 2329 26 as as RB 28553 2329 27 well well RB 28553 2329 28 as as IN 28553 2329 29 magnify magnify VB 28553 2329 30 the the DT 28553 2329 31 image image NN 28553 2329 32 . . . 28553 2330 1 Fig fig NN 28553 2330 2 . . . 28553 2331 1 125 125 CD 28553 2331 2 shows show VBZ 28553 2331 3 the the DT 28553 2331 4 simplest simple JJS 28553 2331 5 form form NN 28553 2331 6 of of IN 28553 2331 7 compound compound NN 28553 2331 8 erecting erect VBG 28553 2331 9 eye eye NN 28553 2331 10 - - HYPH 28553 2331 11 piece piece NN 28553 2331 12 . . . 28553 2332 1 [ [ -LRB- 28553 2332 2 Illustration illustration NN 28553 2332 3 : : : 28553 2332 4 FIG FIG NNP 28553 2332 5 . . . 28553 2333 1 125 125 CD 28553 2333 2 . . . 28553 2333 3 ] ] -RRB- 28553 2334 1 THE the DT 28553 2334 2 GALILEAN GALILEAN NNP 28553 2334 3 TELESCOPE TELESCOPE NNP 28553 2334 4 . . . 28553 2335 1 [ [ -LRB- 28553 2335 2 Illustration illustration NN 28553 2335 3 : : : 28553 2335 4 FIG FIG NNP 28553 2335 5 . . . 28553 2336 1 126 126 CD 28553 2336 2 . . . 28553 2336 3 ] ] -RRB- 28553 2337 1 A a DT 28553 2337 2 third third JJ 28553 2337 3 form form NN 28553 2337 4 of of IN 28553 2337 5 telescope telescope NN 28553 2337 6 is be VBZ 28553 2337 7 that that IN 28553 2337 8 invented invent VBN 28553 2337 9 by by IN 28553 2337 10 the the DT 28553 2337 11 great great JJ 28553 2337 12 Italian italian JJ 28553 2337 13 astronomer astronomer NN 28553 2337 14 , , , 28553 2337 15 Galileo,[24 Galileo,[24 NNP 28553 2337 16 ] ] -RRB- 28553 2337 17 in in IN 28553 2337 18 1609 1609 CD 28553 2337 19 . . . 28553 2338 1 Its -PRON- PRP$ 28553 2338 2 principle principle NN 28553 2338 3 is be VBZ 28553 2338 4 shown show VBN 28553 2338 5 in in IN 28553 2338 6 Fig Fig NNP 28553 2338 7 . . . 28553 2339 1 126 126 CD 28553 2339 2 . . . 28553 2340 1 The the DT 28553 2340 2 rays ray NNS 28553 2340 3 transmitted transmit VBN 28553 2340 4 by by IN 28553 2340 5 the the DT 28553 2340 6 object object NN 28553 2340 7 - - HYPH 28553 2340 8 glass glass NN 28553 2340 9 are be VBP 28553 2340 10 caught catch VBN 28553 2340 11 , , , 28553 2340 12 _ _ NNP 28553 2340 13 before before IN 28553 2340 14 _ _ NNP 28553 2340 15 coming come VBG 28553 2340 16 to to IN 28553 2340 17 a a DT 28553 2340 18 focus focus NN 28553 2340 19 , , , 28553 2340 20 on on IN 28553 2340 21 a a DT 28553 2340 22 concave concave NNP 28553 2340 23 lens lens NN 28553 2340 24 which which WDT 28553 2340 25 separates separate VBZ 28553 2340 26 them -PRON- PRP 28553 2340 27 so so IN 28553 2340 28 that that IN 28553 2340 29 they -PRON- PRP 28553 2340 30 appear appear VBP 28553 2340 31 to to TO 28553 2340 32 meet meet VB 28553 2340 33 in in IN 28553 2340 34 the the DT 28553 2340 35 paths path NNS 28553 2340 36 of of IN 28553 2340 37 convergence convergence NN 28553 2340 38 denoted denote VBN 28553 2340 39 by by IN 28553 2340 40 the the DT 28553 2340 41 dotted dotted JJ 28553 2340 42 lines line NNS 28553 2340 43 . . . 28553 2341 1 The the DT 28553 2341 2 image image NN 28553 2341 3 is be VBZ 28553 2341 4 erect erect NN 28553 2341 5 . . . 28553 2342 1 Opera Opera NNP 28553 2342 2 - - HYPH 28553 2342 3 glasses glass NNS 28553 2342 4 are be VBP 28553 2342 5 constructed construct VBN 28553 2342 6 on on IN 28553 2342 7 the the DT 28553 2342 8 Galilean galilean JJ 28553 2342 9 principle principle NN 28553 2342 10 . . . 28553 2343 1 THE the DT 28553 2343 2 PRISMATIC PRISMATIC NNP 28553 2343 3 TELESCOPE telescope NN 28553 2343 4 . . . 28553 2344 1 In in IN 28553 2344 2 order order NN 28553 2344 3 to to TO 28553 2344 4 be be VB 28553 2344 5 able able JJ 28553 2344 6 to to TO 28553 2344 7 use use VB 28553 2344 8 a a DT 28553 2344 9 long long JJ 28553 2344 10 - - HYPH 28553 2344 11 focus focus NN 28553 2344 12 object object NN 28553 2344 13 - - HYPH 28553 2344 14 glass glass NN 28553 2344 15 without without IN 28553 2344 16 a a DT 28553 2344 17 long long JJ 28553 2344 18 focussing focussing NN 28553 2344 19 - - HYPH 28553 2344 20 tube tube NN 28553 2344 21 , , , 28553 2344 22 a a DT 28553 2344 23 system system NN 28553 2344 24 of of IN 28553 2344 25 glass glass NN 28553 2344 26 reflecting reflect VBG 28553 2344 27 prisms prism NNS 28553 2344 28 is be VBZ 28553 2344 29 sometimes sometimes RB 28553 2344 30 employed employ VBN 28553 2344 31 , , , 28553 2344 32 as as IN 28553 2344 33 in in IN 28553 2344 34 Fig Fig NNP 28553 2344 35 . . . 28553 2345 1 127 127 CD 28553 2345 2 . . . 28553 2346 1 A a DT 28553 2346 2 ray ray NN 28553 2346 3 passing pass VBG 28553 2346 4 through through IN 28553 2346 5 the the DT 28553 2346 6 object object NN 28553 2346 7 - - HYPH 28553 2346 8 glass glass NN 28553 2346 9 is be VBZ 28553 2346 10 reflected reflect VBN 28553 2346 11 from from IN 28553 2346 12 one one CD 28553 2346 13 posterior posterior NN 28553 2346 14 surface surface NN 28553 2346 15 of of IN 28553 2346 16 prism prism NN 28553 2346 17 A A NNP 28553 2346 18 on on IN 28553 2346 19 to to IN 28553 2346 20 the the DT 28553 2346 21 other other JJ 28553 2346 22 posterior posterior NN 28553 2346 23 surface surface NN 28553 2346 24 , , , 28553 2346 25 and and CC 28553 2346 26 by by IN 28553 2346 27 it -PRON- PRP 28553 2346 28 out out RP 28553 2346 29 through through IN 28553 2346 30 the the DT 28553 2346 31 front front NN 28553 2346 32 on on IN 28553 2346 33 to to IN 28553 2346 34 a a DT 28553 2346 35 second second JJ 28553 2346 36 prism prism NN 28553 2346 37 arranged arrange VBN 28553 2346 38 at at IN 28553 2346 39 right right JJ 28553 2346 40 angles angle NNS 28553 2346 41 to to IN 28553 2346 42 it -PRON- PRP 28553 2346 43 , , , 28553 2346 44 which which WDT 28553 2346 45 passes pass VBZ 28553 2346 46 the the DT 28553 2346 47 ray ray NN 28553 2346 48 on on RP 28553 2346 49 to to IN 28553 2346 50 the the DT 28553 2346 51 compound compound NN 28553 2346 52 eye eye NN 28553 2346 53 - - HYPH 28553 2346 54 piece piece NN 28553 2346 55 . . . 28553 2347 1 The the DT 28553 2347 2 distance distance NN 28553 2347 3 between between IN 28553 2347 4 object object NN 28553 2347 5 - - HYPH 28553 2347 6 glass glass NN 28553 2347 7 and and CC 28553 2347 8 eye eye NN 28553 2347 9 - - HYPH 28553 2347 10 piece piece NN 28553 2347 11 is be VBZ 28553 2347 12 thus thus RB 28553 2347 13 practically practically RB 28553 2347 14 trebled treble VBN 28553 2347 15 . . . 28553 2348 1 The the DT 28553 2348 2 best well RBS 28553 2348 3 - - HYPH 28553 2348 4 known know VBN 28553 2348 5 prismatic prismatic JJ 28553 2348 6 telescopes telescope NNS 28553 2348 7 are be VBP 28553 2348 8 the the DT 28553 2348 9 Zeiss Zeiss NNP 28553 2348 10 field field NN 28553 2348 11 - - HYPH 28553 2348 12 glasses glass NNS 28553 2348 13 . . . 28553 2349 1 [ [ -LRB- 28553 2349 2 Illustration illustration NN 28553 2349 3 : : : 28553 2349 4 FIG FIG NNP 28553 2349 5 . . . 28553 2350 1 127 127 CD 28553 2350 2 . . . 28553 2350 3 ] ] -RRB- 28553 2351 1 THE the DT 28553 2351 2 REFLECTING reflect VBG 28553 2351 3 TELESCOPE telescope NN 28553 2351 4 . . . 28553 2352 1 We -PRON- PRP 28553 2352 2 must must MD 28553 2352 3 not not RB 28553 2352 4 omit omit VB 28553 2352 5 reference reference NN 28553 2352 6 to to IN 28553 2352 7 the the DT 28553 2352 8 _ _ NNP 28553 2352 9 reflecting reflect VBG 28553 2352 10 _ _ NNP 28553 2352 11 telescope telescope NN 28553 2352 12 , , , 28553 2352 13 so so RB 28553 2352 14 largely largely RB 28553 2352 15 used use VBN 28553 2352 16 by by IN 28553 2352 17 astronomers astronomer NNS 28553 2352 18 . . . 28553 2353 1 The the DT 28553 2353 2 front front JJ 28553 2353 3 end end NN 28553 2353 4 of of IN 28553 2353 5 the the DT 28553 2353 6 telescope telescope NN 28553 2353 7 is be VBZ 28553 2353 8 open open JJ 28553 2353 9 , , , 28553 2353 10 there there EX 28553 2353 11 being be VBG 28553 2353 12 no no DT 28553 2353 13 object object NN 28553 2353 14 - - HYPH 28553 2353 15 glass glass NN 28553 2353 16 . . . 28553 2354 1 Rays ray NNS 28553 2354 2 from from IN 28553 2354 3 the the DT 28553 2354 4 object object NN 28553 2354 5 fall fall NN 28553 2354 6 on on IN 28553 2354 7 a a DT 28553 2354 8 parabolic parabolic JJ 28553 2354 9 mirror mirror NN 28553 2354 10 situated situate VBN 28553 2354 11 in in IN 28553 2354 12 the the DT 28553 2354 13 rear rear JJ 28553 2354 14 end end NN 28553 2354 15 of of IN 28553 2354 16 the the DT 28553 2354 17 tube tube NN 28553 2354 18 . . . 28553 2355 1 This this DT 28553 2355 2 reflects reflect VBZ 28553 2355 3 them -PRON- PRP 28553 2355 4 forwards forwards RB 28553 2355 5 to to IN 28553 2355 6 a a DT 28553 2355 7 focus focus NN 28553 2355 8 . . . 28553 2356 1 In in IN 28553 2356 2 the the DT 28553 2356 3 Newtonian newtonian JJ 28553 2356 4 reflector reflector NN 28553 2356 5 a a DT 28553 2356 6 plane plane NN 28553 2356 7 mirror mirror NN 28553 2356 8 or or CC 28553 2356 9 prism prism NN 28553 2356 10 is be VBZ 28553 2356 11 situated situate VBN 28553 2356 12 in in IN 28553 2356 13 the the DT 28553 2356 14 axis axis NN 28553 2356 15 of of IN 28553 2356 16 the the DT 28553 2356 17 tube tube NN 28553 2356 18 , , , 28553 2356 19 at at IN 28553 2356 20 the the DT 28553 2356 21 focus focus NN 28553 2356 22 , , , 28553 2356 23 to to TO 28553 2356 24 reflect reflect VB 28553 2356 25 the the DT 28553 2356 26 rays ray NNS 28553 2356 27 through through IN 28553 2356 28 an an DT 28553 2356 29 eye eye NN 28553 2356 30 - - HYPH 28553 2356 31 piece piece NN 28553 2356 32 projecting projecting NN 28553 2356 33 through through IN 28553 2356 34 the the DT 28553 2356 35 side side NN 28553 2356 36 of of IN 28553 2356 37 the the DT 28553 2356 38 tube tube NN 28553 2356 39 . . . 28553 2357 1 Herschel Herschel NNP 28553 2357 2 's 's POS 28553 2357 3 form form NN 28553 2357 4 of of IN 28553 2357 5 reflector reflector NN 28553 2357 6 has have VBZ 28553 2357 7 the the DT 28553 2357 8 mirror mirror NN 28553 2357 9 set set VBN 28553 2357 10 at at IN 28553 2357 11 an an DT 28553 2357 12 angle angle NN 28553 2357 13 to to IN 28553 2357 14 the the DT 28553 2357 15 axis axi NNS 28553 2357 16 , , , 28553 2357 17 so so IN 28553 2357 18 that that IN 28553 2357 19 the the DT 28553 2357 20 rays ray NNS 28553 2357 21 are be VBP 28553 2357 22 reflected reflect VBN 28553 2357 23 direct direct RB 28553 2357 24 into into IN 28553 2357 25 an an DT 28553 2357 26 eye eye NN 28553 2357 27 - - HYPH 28553 2357 28 piece piece NN 28553 2357 29 pointing pointing NN 28553 2357 30 through through IN 28553 2357 31 the the DT 28553 2357 32 side side NN 28553 2357 33 of of IN 28553 2357 34 the the DT 28553 2357 35 tube tube NN 28553 2357 36 towards towards IN 28553 2357 37 the the DT 28553 2357 38 mirror mirror NN 28553 2357 39 . . . 28553 2358 1 THE the DT 28553 2358 2 PARABOLIC PARABOLIC NNP 28553 2358 3 MIRROR MIRROR NNP 28553 2358 4 . . . 28553 2359 1 This this DT 28553 2359 2 mirror mirror NN 28553 2359 3 ( ( -LRB- 28553 2359 4 Fig fig NN 28553 2359 5 . . . 28553 2360 1 128 128 CD 28553 2360 2 ) ) -RRB- 28553 2360 3 is be VBZ 28553 2360 4 of of IN 28553 2360 5 such such PDT 28553 2360 6 a a DT 28553 2360 7 shape shape NN 28553 2360 8 that that WDT 28553 2360 9 all all DT 28553 2360 10 rays ray NNS 28553 2360 11 parallel parallel JJ 28553 2360 12 to to IN 28553 2360 13 the the DT 28553 2360 14 axis axi NNS 28553 2360 15 are be VBP 28553 2360 16 reflected reflect VBN 28553 2360 17 to to IN 28553 2360 18 a a DT 28553 2360 19 common common JJ 28553 2360 20 point point NN 28553 2360 21 . . . 28553 2361 1 In in IN 28553 2361 2 the the DT 28553 2361 3 marine marine NN 28553 2361 4 searchlight searchlight NN 28553 2361 5 a a DT 28553 2361 6 powerful powerful JJ 28553 2361 7 arc arc NN 28553 2361 8 lamp lamp NN 28553 2361 9 is be VBZ 28553 2361 10 arranged arrange VBN 28553 2361 11 with with IN 28553 2361 12 the the DT 28553 2361 13 arc arc NN 28553 2361 14 at at IN 28553 2361 15 the the DT 28553 2361 16 focus focus NN 28553 2361 17 of of IN 28553 2361 18 a a DT 28553 2361 19 parabolic parabolic JJ 28553 2361 20 reflector reflector NN 28553 2361 21 , , , 28553 2361 22 which which WDT 28553 2361 23 sends send VBZ 28553 2361 24 all all DT 28553 2361 25 reflected reflect VBN 28553 2361 26 light light NN 28553 2361 27 forward forward RB 28553 2361 28 in in IN 28553 2361 29 a a DT 28553 2361 30 pencil pencil NN 28553 2361 31 of of IN 28553 2361 32 parallel parallel JJ 28553 2361 33 rays ray NNS 28553 2361 34 . . . 28553 2362 1 The the DT 28553 2362 2 most most RBS 28553 2362 3 powerful powerful JJ 28553 2362 4 searchlight searchlight NN 28553 2362 5 in in IN 28553 2362 6 existence existence NN 28553 2362 7 gives give VBZ 28553 2362 8 a a DT 28553 2362 9 light light NN 28553 2362 10 equal equal JJ 28553 2362 11 to to IN 28553 2362 12 that that DT 28553 2362 13 of of IN 28553 2362 14 350 350 CD 28553 2362 15 million million CD 28553 2362 16 candles candle NNS 28553 2362 17 . . . 28553 2363 1 [ [ -LRB- 28553 2363 2 Illustration illustration NN 28553 2363 3 : : : 28553 2363 4 FIG FIG NNP 28553 2363 5 . . . 28553 2364 1 128.--A 128.--A NNP 28553 2364 2 parabolic parabolic NNP 28553 2364 3 reflector reflector NN 28553 2364 4 . . . 28553 2364 5 ] ] -RRB- 28553 2365 1 THE the DT 28553 2365 2 COMPOUND COMPOUND NNP 28553 2365 3 MICROSCOPE microscope NN 28553 2365 4 . . . 28553 2366 1 We -PRON- PRP 28553 2366 2 have have VBP 28553 2366 3 already already RB 28553 2366 4 observed observe VBN 28553 2366 5 ( ( -LRB- 28553 2366 6 Fig fig NN 28553 2366 7 . . . 28553 2367 1 110 110 LS 28553 2367 2 ) ) -RRB- 28553 2367 3 that that IN 28553 2367 4 the the DT 28553 2367 5 nearer nearer NN 28553 2367 6 an an DT 28553 2367 7 object object NN 28553 2367 8 approaches approach VBZ 28553 2367 9 a a DT 28553 2367 10 lens lens NN 28553 2367 11 the the DT 28553 2367 12 further further RB 28553 2367 13 off off RB 28553 2367 14 behind behind IN 28553 2367 15 it -PRON- PRP 28553 2367 16 is be VBZ 28553 2367 17 the the DT 28553 2367 18 real real JJ 28553 2367 19 image image NN 28553 2367 20 formed form VBN 28553 2367 21 , , , 28553 2367 22 until until IN 28553 2367 23 the the DT 28553 2367 24 object object NN 28553 2367 25 has have VBZ 28553 2367 26 reached reach VBN 28553 2367 27 the the DT 28553 2367 28 focal focal JJ 28553 2367 29 distance distance NN 28553 2367 30 , , , 28553 2367 31 when when WRB 28553 2367 32 no no DT 28553 2367 33 image image NN 28553 2367 34 at at RB 28553 2367 35 all all RB 28553 2367 36 is be VBZ 28553 2367 37 cast cast VBN 28553 2367 38 , , , 28553 2367 39 as as IN 28553 2367 40 it -PRON- PRP 28553 2367 41 is be VBZ 28553 2367 42 an an DT 28553 2367 43 infinite infinite JJ 28553 2367 44 distance distance NN 28553 2367 45 behind behind IN 28553 2367 46 the the DT 28553 2367 47 lens lens NN 28553 2367 48 . . . 28553 2368 1 We -PRON- PRP 28553 2368 2 will will MD 28553 2368 3 assume assume VB 28553 2368 4 that that IN 28553 2368 5 a a DT 28553 2368 6 certain certain JJ 28553 2368 7 lens lens NN 28553 2368 8 has have VBZ 28553 2368 9 a a DT 28553 2368 10 focus focus NN 28553 2368 11 of of IN 28553 2368 12 six six CD 28553 2368 13 inches inch NNS 28553 2368 14 . . . 28553 2369 1 We -PRON- PRP 28553 2369 2 place place VBP 28553 2369 3 a a DT 28553 2369 4 lighted light VBN 28553 2369 5 candle candle NN 28553 2369 6 four four CD 28553 2369 7 feet foot NNS 28553 2369 8 in in IN 28553 2369 9 front front NN 28553 2369 10 of of IN 28553 2369 11 it -PRON- PRP 28553 2369 12 , , , 28553 2369 13 and and CC 28553 2369 14 find find VB 28553 2369 15 that that IN 28553 2369 16 a a DT 28553 2369 17 _ _ NNP 28553 2369 18 sharp sharp JJ 28553 2369 19 _ _ NNP 28553 2369 20 diminished diminish VBN 28553 2369 21 image image NN 28553 2369 22 is be VBZ 28553 2369 23 cast cast VBN 28553 2369 24 on on IN 28553 2369 25 a a DT 28553 2369 26 ground ground NN 28553 2369 27 - - HYPH 28553 2369 28 glass glass NN 28553 2369 29 screen screen NN 28553 2369 30 held hold VBD 28553 2369 31 seven seven CD 28553 2369 32 inches inch NNS 28553 2369 33 behind behind IN 28553 2369 34 it -PRON- PRP 28553 2369 35 . . . 28553 2370 1 If if IN 28553 2370 2 we -PRON- PRP 28553 2370 3 now now RB 28553 2370 4 exchange exchange VBP 28553 2370 5 the the DT 28553 2370 6 positions position NNS 28553 2370 7 of of IN 28553 2370 8 the the DT 28553 2370 9 candle candle NN 28553 2370 10 and and CC 28553 2370 11 the the DT 28553 2370 12 screen screen NN 28553 2370 13 , , , 28553 2370 14 we -PRON- PRP 28553 2370 15 shall shall MD 28553 2370 16 get get VB 28553 2370 17 an an DT 28553 2370 18 enlarged enlarge VBN 28553 2370 19 image image NN 28553 2370 20 of of IN 28553 2370 21 the the DT 28553 2370 22 candle candle NN 28553 2370 23 . . . 28553 2371 1 This this DT 28553 2371 2 is be VBZ 28553 2371 3 a a DT 28553 2371 4 simple simple JJ 28553 2371 5 demonstration demonstration NN 28553 2371 6 of of IN 28553 2371 7 the the DT 28553 2371 8 law law NN 28553 2371 9 of of IN 28553 2371 10 _ _ NNP 28553 2371 11 conjugate conjugate NN 28553 2371 12 foci_--namely foci_--namely RB 28553 2371 13 , , , 28553 2371 14 that that IN 28553 2371 15 the the DT 28553 2371 16 distance distance NN 28553 2371 17 between between IN 28553 2371 18 the the DT 28553 2371 19 lens lens NN 28553 2371 20 and and CC 28553 2371 21 an an DT 28553 2371 22 object object NN 28553 2371 23 on on IN 28553 2371 24 one one CD 28553 2371 25 side side NN 28553 2371 26 and and CC 28553 2371 27 that that IN 28553 2371 28 between between IN 28553 2371 29 the the DT 28553 2371 30 lens lens NN 28553 2371 31 and and CC 28553 2371 32 the the DT 28553 2371 33 corresponding corresponding JJ 28553 2371 34 image image NN 28553 2371 35 on on IN 28553 2371 36 the the DT 28553 2371 37 other other JJ 28553 2371 38 bear bear NN 28553 2371 39 a a DT 28553 2371 40 definite definite JJ 28553 2371 41 relation relation NN 28553 2371 42 to to IN 28553 2371 43 each each DT 28553 2371 44 other other JJ 28553 2371 45 ; ; : 28553 2371 46 and and CC 28553 2371 47 an an DT 28553 2371 48 object object NN 28553 2371 49 placed place VBN 28553 2371 50 at at IN 28553 2371 51 either either DT 28553 2371 52 focus focus NN 28553 2371 53 will will MD 28553 2371 54 cast cast VB 28553 2371 55 an an DT 28553 2371 56 image image NN 28553 2371 57 at at IN 28553 2371 58 the the DT 28553 2371 59 other other JJ 28553 2371 60 . . . 28553 2372 1 Whether whether IN 28553 2372 2 the the DT 28553 2372 3 image image NN 28553 2372 4 is be VBZ 28553 2372 5 larger large JJR 28553 2372 6 or or CC 28553 2372 7 smaller small JJR 28553 2372 8 than than IN 28553 2372 9 the the DT 28553 2372 10 object object NN 28553 2372 11 depends depend VBZ 28553 2372 12 on on IN 28553 2372 13 which which WDT 28553 2372 14 focus focus VBP 28553 2372 15 it -PRON- PRP 28553 2372 16 occupies occupy VBZ 28553 2372 17 . . . 28553 2373 1 In in IN 28553 2373 2 the the DT 28553 2373 3 case case NN 28553 2373 4 of of IN 28553 2373 5 the the DT 28553 2373 6 object object NN 28553 2373 7 - - HYPH 28553 2373 8 glass glass NN 28553 2373 9 of of IN 28553 2373 10 a a DT 28553 2373 11 telescope telescope NN 28553 2373 12 the the DT 28553 2373 13 image image NN 28553 2373 14 was be VBD 28553 2373 15 at at IN 28553 2373 16 what what WP 28553 2373 17 we -PRON- PRP 28553 2373 18 may may MD 28553 2373 19 call call VB 28553 2373 20 the the DT 28553 2373 21 _ _ NNP 28553 2373 22 short short JJ 28553 2373 23 _ _ NNP 28553 2373 24 focus focus NN 28553 2373 25 . . . 28553 2374 1 [ [ -LRB- 28553 2374 2 Illustration illustration NN 28553 2374 3 : : : 28553 2374 4 FIG FIG NNP 28553 2374 5 . . . 28553 2375 1 129.--Diagram 129.--diagram CD 28553 2375 2 to to TO 28553 2375 3 explain explain VB 28553 2375 4 the the DT 28553 2375 5 compound compound NN 28553 2375 6 microscope microscope NN 28553 2375 7 . . . 28553 2375 8 ] ] -RRB- 28553 2376 1 Now now RB 28553 2376 2 , , , 28553 2376 3 a a DT 28553 2376 4 compound compound NN 28553 2376 5 microscope microscope NN 28553 2376 6 is be VBZ 28553 2376 7 practically practically RB 28553 2376 8 a a DT 28553 2376 9 telescope telescope NN 28553 2376 10 with with IN 28553 2376 11 the the DT 28553 2376 12 object object NN 28553 2376 13 at at IN 28553 2376 14 the the DT 28553 2376 15 _ _ NNP 28553 2376 16 long long JJ 28553 2376 17 _ _ NNP 28553 2376 18 focus focus NN 28553 2376 19 , , , 28553 2376 20 very very RB 28553 2376 21 close close JJ 28553 2376 22 to to IN 28553 2376 23 a a DT 28553 2376 24 short short JJ 28553 2376 25 - - HYPH 28553 2376 26 focus focus NN 28553 2376 27 lens lens NN 28553 2376 28 . . . 28553 2377 1 A a DT 28553 2377 2 greatly greatly RB 28553 2377 3 enlarged enlarge VBN 28553 2377 4 image image NN 28553 2377 5 is be VBZ 28553 2377 6 thrown throw VBN 28553 2377 7 ( ( -LRB- 28553 2377 8 see see VB 28553 2377 9 Fig Fig NNP 28553 2377 10 . . . 28553 2378 1 129 129 LS 28553 2378 2 ) ) -RRB- 28553 2378 3 at at IN 28553 2378 4 the the DT 28553 2378 5 conjugate conjugate NN 28553 2378 6 focus focus NN 28553 2378 7 , , , 28553 2378 8 and and CC 28553 2378 9 this this DT 28553 2378 10 is be VBZ 28553 2378 11 caught catch VBN 28553 2378 12 and and CC 28553 2378 13 still still RB 28553 2378 14 further further RB 28553 2378 15 magnified magnify VBN 28553 2378 16 by by IN 28553 2378 17 the the DT 28553 2378 18 eye eye NN 28553 2378 19 - - HYPH 28553 2378 20 piece piece NN 28553 2378 21 . . . 28553 2379 1 We -PRON- PRP 28553 2379 2 may may MD 28553 2379 3 add add VB 28553 2379 4 that that IN 28553 2379 5 the the DT 28553 2379 6 object object NN 28553 2379 7 - - HYPH 28553 2379 8 glass glass NN 28553 2379 9 , , , 28553 2379 10 or or CC 28553 2379 11 _ _ NNP 28553 2379 12 objective objective NN 28553 2379 13 _ _ NNP 28553 2379 14 , , , 28553 2379 15 of of IN 28553 2379 16 a a DT 28553 2379 17 microscope microscope NN 28553 2379 18 is be VBZ 28553 2379 19 usually usually RB 28553 2379 20 compounded compound VBN 28553 2379 21 of of IN 28553 2379 22 several several JJ 28553 2379 23 lenses lense NNS 28553 2379 24 , , , 28553 2379 25 as as IN 28553 2379 26 is be VBZ 28553 2379 27 also also RB 28553 2379 28 the the DT 28553 2379 29 eye eye NN 28553 2379 30 - - HYPH 28553 2379 31 piece piece NN 28553 2379 32 . . . 28553 2380 1 THE the DT 28553 2380 2 MAGIC magic NN 28553 2380 3 - - HYPH 28553 2380 4 LANTERN LANTERN NNP 28553 2380 5 . . . 28553 2381 1 The the DT 28553 2381 2 most most RBS 28553 2381 3 essential essential JJ 28553 2381 4 features feature NNS 28553 2381 5 of of IN 28553 2381 6 a a DT 28553 2381 7 magic magic JJ 28553 2381 8 - - HYPH 28553 2381 9 lantern lantern JJ 28553 2381 10 are:--(1 are:--(1 NN 28553 2381 11 ) ) -RRB- 28553 2381 12 The the DT 28553 2381 13 _ _ NNP 28553 2381 14 source source NN 28553 2381 15 of of IN 28553 2381 16 light light NN 28553 2381 17 _ _ NNP 28553 2381 18 ; ; : 28553 2381 19 ( ( -LRB- 28553 2381 20 2 2 LS 28553 2381 21 ) ) -RRB- 28553 2381 22 the the DT 28553 2381 23 _ _ NNP 28553 2381 24 condenser condenser NN 28553 2381 25 _ _ NNP 28553 2381 26 for for IN 28553 2381 27 concentrating concentrate VBG 28553 2381 28 the the DT 28553 2381 29 light light NN 28553 2381 30 rays ray NNS 28553 2381 31 on on IN 28553 2381 32 to to IN 28553 2381 33 the the DT 28553 2381 34 slide slide NN 28553 2381 35 ; ; , 28553 2381 36 ( ( -LRB- 28553 2381 37 3 3 LS 28553 2381 38 ) ) -RRB- 28553 2381 39 the the DT 28553 2381 40 _ _ NNP 28553 2381 41 lens lens NN 28553 2381 42 _ _ NNP 28553 2381 43 for for IN 28553 2381 44 projecting project VBG 28553 2381 45 a a DT 28553 2381 46 magnified magnify VBN 28553 2381 47 image image NN 28553 2381 48 on on IN 28553 2381 49 to to IN 28553 2381 50 a a DT 28553 2381 51 screen screen NN 28553 2381 52 . . . 28553 2382 1 Fig fig NN 28553 2382 2 . . . 28553 2383 1 130 130 CD 28553 2383 2 shows show VBZ 28553 2383 3 these these DT 28553 2383 4 diagrammatically diagrammatically RB 28553 2383 5 . . . 28553 2384 1 The the DT 28553 2384 2 _ _ NNP 28553 2384 3 illuminant illuminant JJ 28553 2384 4 _ _ NNP 28553 2384 5 is be VBZ 28553 2384 6 most most RBS 28553 2384 7 commonly commonly RB 28553 2384 8 an an DT 28553 2384 9 oil oil NN 28553 2384 10 - - HYPH 28553 2384 11 lamp lamp NN 28553 2384 12 , , , 28553 2384 13 or or CC 28553 2384 14 an an DT 28553 2384 15 acetylene acetylene NN 28553 2384 16 gas gas NN 28553 2384 17 jet jet NN 28553 2384 18 , , , 28553 2384 19 or or CC 28553 2384 20 a a DT 28553 2384 21 cylinder cylinder NN 28553 2384 22 of of IN 28553 2384 23 lime lime NN 28553 2384 24 heated heat VBN 28553 2384 25 to to IN 28553 2384 26 intense intense JJ 28553 2384 27 luminosity luminosity NN 28553 2384 28 by by IN 28553 2384 29 an an DT 28553 2384 30 oxy oxy JJ 28553 2384 31 - - HYPH 28553 2384 32 hydrogen hydrogen NN 28553 2384 33 flame flame NN 28553 2384 34 . . . 28553 2385 1 The the DT 28553 2385 2 natural natural JJ 28553 2385 3 combustion combustion NN 28553 2385 4 of of IN 28553 2385 5 hydrogen hydrogen NN 28553 2385 6 is be VBZ 28553 2385 7 attended attend VBN 28553 2385 8 by by IN 28553 2385 9 a a DT 28553 2385 10 great great JJ 28553 2385 11 heat heat NN 28553 2385 12 , , , 28553 2385 13 and and CC 28553 2385 14 when when WRB 28553 2385 15 the the DT 28553 2385 16 supply supply NN 28553 2385 17 of of IN 28553 2385 18 oxygen oxygen NN 28553 2385 19 is be VBZ 28553 2385 20 artificially artificially RB 28553 2385 21 increased increase VBN 28553 2385 22 the the DT 28553 2385 23 temperature temperature NN 28553 2385 24 of of IN 28553 2385 25 the the DT 28553 2385 26 flame flame NN 28553 2385 27 rises rise VBZ 28553 2385 28 enormously enormously RB 28553 2385 29 . . . 28553 2386 1 The the DT 28553 2386 2 nozzle nozzle NN 28553 2386 3 of of IN 28553 2386 4 an an DT 28553 2386 5 oxy oxy JJ 28553 2386 6 - - HYPH 28553 2386 7 hydrogen hydrogen NN 28553 2386 8 jet jet NN 28553 2386 9 has have VBZ 28553 2386 10 an an DT 28553 2386 11 interior interior JJ 28553 2386 12 pipe pipe NN 28553 2386 13 connected connect VBN 28553 2386 14 with with IN 28553 2386 15 the the DT 28553 2386 16 cylinder cylinder NN 28553 2386 17 holding hold VBG 28553 2386 18 one one CD 28553 2386 19 gas gas NN 28553 2386 20 , , , 28553 2386 21 and and CC 28553 2386 22 an an DT 28553 2386 23 exterior exterior NN 28553 2386 24 , , , 28553 2386 25 and and CC 28553 2386 26 somewhat somewhat RB 28553 2386 27 larger large JJR 28553 2386 28 , , , 28553 2386 29 pipe pipe NN 28553 2386 30 leading lead VBG 28553 2386 31 from from IN 28553 2386 32 that that DT 28553 2386 33 containing contain VBG 28553 2386 34 the the DT 28553 2386 35 other other JJ 28553 2386 36 , , , 28553 2386 37 the the DT 28553 2386 38 two two CD 28553 2386 39 being be VBG 28553 2386 40 arranged arrange VBN 28553 2386 41 concentrically concentrically RB 28553 2386 42 at at IN 28553 2386 43 the the DT 28553 2386 44 nozzle nozzle NN 28553 2386 45 . . . 28553 2387 1 By by IN 28553 2387 2 means mean NNS 28553 2387 3 of of IN 28553 2387 4 valves valve NNS 28553 2387 5 the the DT 28553 2387 6 proportions proportion NNS 28553 2387 7 of of IN 28553 2387 8 the the DT 28553 2387 9 gases gas NNS 28553 2387 10 can can MD 28553 2387 11 be be VB 28553 2387 12 regulated regulate VBN 28553 2387 13 to to TO 28553 2387 14 give give VB 28553 2387 15 the the DT 28553 2387 16 best good JJS 28553 2387 17 results result NNS 28553 2387 18 . . . 28553 2388 1 [ [ -LRB- 28553 2388 2 Illustration illustration NN 28553 2388 3 : : : 28553 2388 4 FIG FIG NNP 28553 2388 5 . . . 28553 2389 1 130.--Sketch 130.--sketch CD 28553 2389 2 of of IN 28553 2389 3 the the DT 28553 2389 4 elements element NNS 28553 2389 5 of of IN 28553 2389 6 a a DT 28553 2389 7 magic magic NN 28553 2389 8 - - HYPH 28553 2389 9 lantern lantern NNP 28553 2389 10 . . . 28553 2389 11 ] ] -RRB- 28553 2390 1 The the DT 28553 2390 2 _ _ NNP 28553 2390 3 condenser condenser NN 28553 2390 4 _ _ NNP 28553 2390 5 is be VBZ 28553 2390 6 set set VBN 28553 2390 7 somewhat somewhat RB 28553 2390 8 further further RB 28553 2390 9 from from IN 28553 2390 10 the the DT 28553 2390 11 illuminant illuminant NN 28553 2390 12 than than IN 28553 2390 13 the the DT 28553 2390 14 principal principal JJ 28553 2390 15 focal focal JJ 28553 2390 16 length length NN 28553 2390 17 of of IN 28553 2390 18 the the DT 28553 2390 19 lenses lense NNS 28553 2390 20 , , , 28553 2390 21 so so IN 28553 2390 22 that that IN 28553 2390 23 the the DT 28553 2390 24 rays ray NNS 28553 2390 25 falling fall VBG 28553 2390 26 on on IN 28553 2390 27 them -PRON- PRP 28553 2390 28 are be VBP 28553 2390 29 bent bent JJ 28553 2390 30 inwards inward NNS 28553 2390 31 , , , 28553 2390 32 or or CC 28553 2390 33 to to IN 28553 2390 34 the the DT 28553 2390 35 slide slide NN 28553 2390 36 . . . 28553 2391 1 The the DT 28553 2391 2 _ _ NNP 28553 2391 3 objective objective NN 28553 2391 4 _ _ NNP 28553 2391 5 , , , 28553 2391 6 or or CC 28553 2391 7 object object VB 28553 2391 8 lens lens NN 28553 2391 9 , , , 28553 2391 10 stands stand VBZ 28553 2391 11 in in IN 28553 2391 12 front front NN 28553 2391 13 of of IN 28553 2391 14 the the DT 28553 2391 15 slide slide NN 28553 2391 16 . . . 28553 2392 1 Its -PRON- PRP$ 28553 2392 2 position position NN 28553 2392 3 is be VBZ 28553 2392 4 adjustable adjustable JJ 28553 2392 5 by by IN 28553 2392 6 means mean NNS 28553 2392 7 of of IN 28553 2392 8 a a DT 28553 2392 9 rack rack NN 28553 2392 10 and and CC 28553 2392 11 a a DT 28553 2392 12 draw draw NN 28553 2392 13 - - HYPH 28553 2392 14 tube tube NN 28553 2392 15 . . . 28553 2393 1 The the DT 28553 2393 2 nearer nearer NN 28553 2393 3 it -PRON- PRP 28553 2393 4 is be VBZ 28553 2393 5 brought bring VBN 28553 2393 6 to to IN 28553 2393 7 the the DT 28553 2393 8 slide slide NN 28553 2393 9 the the DT 28553 2393 10 further further JJ 28553 2393 11 away away RB 28553 2393 12 is be VBZ 28553 2393 13 the the DT 28553 2393 14 conjugate conjugate JJ 28553 2393 15 focus focus NN 28553 2393 16 ( ( -LRB- 28553 2393 17 see see VB 28553 2393 18 p. p. NNP 28553 2393 19 239 239 CD 28553 2393 20 ) ) -RRB- 28553 2393 21 , , , 28553 2393 22 and and CC 28553 2393 23 consequently consequently RB 28553 2393 24 the the DT 28553 2393 25 image image NN 28553 2393 26 . . . 28553 2394 1 The the DT 28553 2394 2 exhibitor exhibitor NN 28553 2394 3 first first JJ 28553 2394 4 sets set VBZ 28553 2394 5 up up RP 28553 2394 6 his -PRON- PRP$ 28553 2394 7 screen screen NN 28553 2394 8 and and CC 28553 2394 9 lantern lantern NN 28553 2394 10 , , , 28553 2394 11 and and CC 28553 2394 12 then then RB 28553 2394 13 finds find VBZ 28553 2394 14 the the DT 28553 2394 15 conjugate conjugate JJ 28553 2394 16 foci foci NN 28553 2394 17 of of IN 28553 2394 18 slide slide NN 28553 2394 19 and and CC 28553 2394 20 image image NN 28553 2394 21 by by IN 28553 2394 22 racking rack VBG 28553 2394 23 the the DT 28553 2394 24 lens lens NN 28553 2394 25 in in IN 28553 2394 26 or or CC 28553 2394 27 out out RB 28553 2394 28 . . . 28553 2395 1 If if IN 28553 2395 2 a a DT 28553 2395 3 very very RB 28553 2395 4 short short JJ 28553 2395 5 focus focus NN 28553 2395 6 objective objective NN 28553 2395 7 be be VB 28553 2395 8 used use VBN 28553 2395 9 , , , 28553 2395 10 subjects subject NNS 28553 2395 11 of of IN 28553 2395 12 microscopic microscopic JJ 28553 2395 13 proportions proportion NNS 28553 2395 14 can can MD 28553 2395 15 be be VB 28553 2395 16 projected project VBN 28553 2395 17 on on IN 28553 2395 18 the the DT 28553 2395 19 screen screen NN 28553 2395 20 enormously enormously RB 28553 2395 21 magnified magnify VBN 28553 2395 22 . . . 28553 2396 1 During during IN 28553 2396 2 the the DT 28553 2396 3 siege siege NN 28553 2396 4 of of IN 28553 2396 5 Paris Paris NNP 28553 2396 6 in in IN 28553 2396 7 1870 1870 CD 28553 2396 8 - - SYM 28553 2396 9 71 71 CD 28553 2396 10 the the DT 28553 2396 11 Parisians Parisians NNPS 28553 2396 12 established establish VBD 28553 2396 13 a a DT 28553 2396 14 balloon balloon NN 28553 2396 15 and and CC 28553 2396 16 pigeon pigeon NN 28553 2396 17 post post NN 28553 2396 18 to to TO 28553 2396 19 carry carry VB 28553 2396 20 letters letter NNS 28553 2396 21 which which WDT 28553 2396 22 had have VBD 28553 2396 23 been be VBN 28553 2396 24 copied copy VBN 28553 2396 25 in in IN 28553 2396 26 a a DT 28553 2396 27 minute minute JJ 28553 2396 28 size size NN 28553 2396 29 by by IN 28553 2396 30 photography photography NN 28553 2396 31 . . . 28553 2397 1 These these DT 28553 2397 2 copies copy NNS 28553 2397 3 could could MD 28553 2397 4 be be VB 28553 2397 5 enclosed enclose VBN 28553 2397 6 in in IN 28553 2397 7 a a DT 28553 2397 8 quill quill NN 28553 2397 9 and and CC 28553 2397 10 attached attach VBN 28553 2397 11 to to IN 28553 2397 12 a a DT 28553 2397 13 pigeon pigeon NN 28553 2397 14 's 's POS 28553 2397 15 wing wing NN 28553 2397 16 . . . 28553 2398 1 On on IN 28553 2398 2 receipt receipt NN 28553 2398 3 , , , 28553 2398 4 the the DT 28553 2398 5 copies copy NNS 28553 2398 6 were be VBD 28553 2398 7 placed place VBN 28553 2398 8 in in IN 28553 2398 9 a a DT 28553 2398 10 special special JJ 28553 2398 11 lantern lantern NN 28553 2398 12 and and CC 28553 2398 13 thrown throw VBN 28553 2398 14 as as RB 28553 2398 15 large large JJ 28553 2398 16 writing writing NN 28553 2398 17 on on IN 28553 2398 18 the the DT 28553 2398 19 screen screen NN 28553 2398 20 . . . 28553 2399 1 Micro micro JJ 28553 2399 2 - - HYPH 28553 2399 3 photography photography NNP 28553 2399 4 has have VBZ 28553 2399 5 since since IN 28553 2399 6 then then RB 28553 2399 7 made make VBN 28553 2399 8 great great JJ 28553 2399 9 strides stride NNS 28553 2399 10 , , , 28553 2399 11 and and CC 28553 2399 12 is be VBZ 28553 2399 13 now now RB 28553 2399 14 widely widely RB 28553 2399 15 used use VBN 28553 2399 16 for for IN 28553 2399 17 scientific scientific JJ 28553 2399 18 purposes purpose NNS 28553 2399 19 , , , 28553 2399 20 one one CD 28553 2399 21 of of IN 28553 2399 22 the the DT 28553 2399 23 most most RBS 28553 2399 24 important important JJ 28553 2399 25 being be VBG 28553 2399 26 the the DT 28553 2399 27 study study NN 28553 2399 28 of of IN 28553 2399 29 the the DT 28553 2399 30 crystalline crystalline JJ 28553 2399 31 formations formation NNS 28553 2399 32 of of IN 28553 2399 33 metals metal NNS 28553 2399 34 under under IN 28553 2399 35 different different JJ 28553 2399 36 conditions condition NNS 28553 2399 37 . . . 28553 2400 1 THE the DT 28553 2400 2 BIOSCOPE BIOSCOPE NNP 28553 2400 3 . . . 28553 2401 1 " " `` 28553 2401 2 Living live VBG 28553 2401 3 pictures picture NNS 28553 2401 4 " " '' 28553 2401 5 are be VBP 28553 2401 6 the the DT 28553 2401 7 most most RBS 28553 2401 8 recent recent JJ 28553 2401 9 improvement improvement NN 28553 2401 10 in in IN 28553 2401 11 magic magic JJ 28553 2401 12 - - HYPH 28553 2401 13 lantern lantern JJ 28553 2401 14 entertainments entertainment NNS 28553 2401 15 . . . 28553 2402 1 The the DT 28553 2402 2 negatives negative NNS 28553 2402 3 from from IN 28553 2402 4 which which WDT 28553 2402 5 the the DT 28553 2402 6 lantern lantern JJ 28553 2402 7 films film NNS 28553 2402 8 are be VBP 28553 2402 9 printed print VBN 28553 2402 10 are be VBP 28553 2402 11 made make VBN 28553 2402 12 by by IN 28553 2402 13 passing pass VBG 28553 2402 14 a a DT 28553 2402 15 ribbon ribbon NN 28553 2402 16 of of IN 28553 2402 17 sensitized sensitize VBN 28553 2402 18 celluloid celluloid NN 28553 2402 19 through through IN 28553 2402 20 a a DT 28553 2402 21 special special JJ 28553 2402 22 form form NN 28553 2402 23 of of IN 28553 2402 24 camera camera NN 28553 2402 25 , , , 28553 2402 26 which which WDT 28553 2402 27 feeds feed VBZ 28553 2402 28 the the DT 28553 2402 29 ribbon ribbon NN 28553 2402 30 past past IN 28553 2402 31 the the DT 28553 2402 32 lens lens NN 28553 2402 33 in in IN 28553 2402 34 a a DT 28553 2402 35 series series NN 28553 2402 36 of of IN 28553 2402 37 jerks jerk NNS 28553 2402 38 , , , 28553 2402 39 an an DT 28553 2402 40 exposure exposure NN 28553 2402 41 being be VBG 28553 2402 42 made make VBN 28553 2402 43 automatically automatically RB 28553 2402 44 by by IN 28553 2402 45 a a DT 28553 2402 46 revolving revolving JJ 28553 2402 47 shutter shutter NN 28553 2402 48 during during IN 28553 2402 49 each each DT 28553 2402 50 rest rest NN 28553 2402 51 . . . 28553 2403 1 The the DT 28553 2403 2 positive positive JJ 28553 2403 3 film film NN 28553 2403 4 is be VBZ 28553 2403 5 placed place VBN 28553 2403 6 in in IN 28553 2403 7 a a DT 28553 2403 8 lantern lantern NN 28553 2403 9 , , , 28553 2403 10 and and CC 28553 2403 11 the the DT 28553 2403 12 intermittent intermittent JJ 28553 2403 13 movement movement NN 28553 2403 14 is be VBZ 28553 2403 15 repeated repeat VBN 28553 2403 16 ; ; : 28553 2403 17 but but CC 28553 2403 18 now now RB 28553 2403 19 the the DT 28553 2403 20 source source NN 28553 2403 21 of of IN 28553 2403 22 illumination illumination NN 28553 2403 23 is be VBZ 28553 2403 24 behind behind IN 28553 2403 25 the the DT 28553 2403 26 film film NN 28553 2403 27 , , , 28553 2403 28 and and CC 28553 2403 29 light light NN 28553 2403 30 passes pass VBZ 28553 2403 31 outwards outward NNS 28553 2403 32 through through IN 28553 2403 33 the the DT 28553 2403 34 shutter shutter NN 28553 2403 35 to to IN 28553 2403 36 the the DT 28553 2403 37 screen screen NN 28553 2403 38 . . . 28553 2404 1 In in IN 28553 2404 2 the the DT 28553 2404 3 Urban Urban NNP 28553 2404 4 bioscope bioscope NN 28553 2404 5 the the DT 28553 2404 6 film film NN 28553 2404 7 travels travel VBZ 28553 2404 8 at at IN 28553 2404 9 the the DT 28553 2404 10 rate rate NN 28553 2404 11 of of IN 28553 2404 12 fifteen fifteen CD 28553 2404 13 miles mile NNS 28553 2404 14 an an DT 28553 2404 15 hour hour NN 28553 2404 16 , , , 28553 2404 17 upwards upwards JJ 28553 2404 18 of of IN 28553 2404 19 one one CD 28553 2404 20 hundred hundred CD 28553 2404 21 exposures exposure NNS 28553 2404 22 being be VBG 28553 2404 23 made make VBN 28553 2404 24 every every DT 28553 2404 25 second second NN 28553 2404 26 . . . 28553 2405 1 The the DT 28553 2405 2 impression impression NN 28553 2405 3 of of IN 28553 2405 4 continuous continuous JJ 28553 2405 5 movement movement NN 28553 2405 6 arises arise VBZ 28553 2405 7 from from IN 28553 2405 8 the the DT 28553 2405 9 fact fact NN 28553 2405 10 that that IN 28553 2405 11 the the DT 28553 2405 12 eye eye NN 28553 2405 13 can can MD 28553 2405 14 not not RB 28553 2405 15 get get VB 28553 2405 16 rid rid VBN 28553 2405 17 of of IN 28553 2405 18 a a DT 28553 2405 19 visual visual JJ 28553 2405 20 impression impression NN 28553 2405 21 in in IN 28553 2405 22 less less JJR 28553 2405 23 than than IN 28553 2405 24 one one CD 28553 2405 25 - - HYPH 28553 2405 26 tenth tenth NN 28553 2405 27 of of IN 28553 2405 28 a a DT 28553 2405 29 second second NN 28553 2405 30 . . . 28553 2406 1 So so RB 28553 2406 2 that that IN 28553 2406 3 if if IN 28553 2406 4 a a DT 28553 2406 5 series series NN 28553 2406 6 of of IN 28553 2406 7 impressions impression NNS 28553 2406 8 follow follow VBP 28553 2406 9 one one CD 28553 2406 10 another another DT 28553 2406 11 more more RBR 28553 2406 12 rapidly rapidly RB 28553 2406 13 than than IN 28553 2406 14 the the DT 28553 2406 15 eye eye NN 28553 2406 16 can can MD 28553 2406 17 rid rid VB 28553 2406 18 itself -PRON- PRP 28553 2406 19 of of IN 28553 2406 20 them -PRON- PRP 28553 2406 21 the the DT 28553 2406 22 impressions impression NNS 28553 2406 23 will will MD 28553 2406 24 overlap overlap VB 28553 2406 25 , , , 28553 2406 26 and and CC 28553 2406 27 give give VB 28553 2406 28 one one CD 28553 2406 29 of of IN 28553 2406 30 _ _ NNP 28553 2406 31 motion motion NN 28553 2406 32 _ _ NNP 28553 2406 33 , , , 28553 2406 34 if if IN 28553 2406 35 the the DT 28553 2406 36 position position NN 28553 2406 37 of of IN 28553 2406 38 some some DT 28553 2406 39 of of IN 28553 2406 40 the the DT 28553 2406 41 objects object NNS 28553 2406 42 , , , 28553 2406 43 or or CC 28553 2406 44 parts part NNS 28553 2406 45 of of IN 28553 2406 46 the the DT 28553 2406 47 objects object NNS 28553 2406 48 , , , 28553 2406 49 varies vary VBZ 28553 2406 50 slightly slightly RB 28553 2406 51 in in IN 28553 2406 52 each each DT 28553 2406 53 succeeding succeed VBG 28553 2406 54 picture picture NN 28553 2406 55 . . . 28553 2407 1 [ [ -LRB- 28553 2407 2 25 25 CD 28553 2407 3 ] ] -RRB- 28553 2407 4 THE the DT 28553 2407 5 PLANE PLANE NNP 28553 2407 6 MIRROR MIRROR NNP 28553 2407 7 . . . 28553 2408 1 [ [ -LRB- 28553 2408 2 Illustration illustration NN 28553 2408 3 : : : 28553 2408 4 FIG FIG NNP 28553 2408 5 . . . 28553 2409 1 131 131 CD 28553 2409 2 . . . 28553 2409 3 ] ] -RRB- 28553 2410 1 This this DT 28553 2410 2 chapter chapter NN 28553 2410 3 may may MD 28553 2410 4 conclude conclude VB 28553 2410 5 with with IN 28553 2410 6 a a DT 28553 2410 7 glance glance NN 28553 2410 8 at at IN 28553 2410 9 the the DT 28553 2410 10 common common JJ 28553 2410 11 looking looking JJ 28553 2410 12 - - HYPH 28553 2410 13 glass glass NN 28553 2410 14 . . . 28553 2411 1 Why why WRB 28553 2411 2 do do VBP 28553 2411 3 we -PRON- PRP 28553 2411 4 see see VB 28553 2411 5 a a DT 28553 2411 6 reflection reflection NN 28553 2411 7 in in IN 28553 2411 8 it -PRON- PRP 28553 2411 9 ? ? . 28553 2412 1 The the DT 28553 2412 2 answer answer NN 28553 2412 3 is be VBZ 28553 2412 4 given give VBN 28553 2412 5 graphically graphically RB 28553 2412 6 by by IN 28553 2412 7 Fig Fig NNP 28553 2412 8 . . . 28553 2413 1 131 131 CD 28553 2413 2 . . . 28553 2414 1 Two two CD 28553 2414 2 rays ray NNS 28553 2414 3 , , , 28553 2414 4 A A NNP 28553 2414 5 _ _ NNP 28553 2414 6 b b NNP 28553 2414 7 _ _ NNP 28553 2414 8 , , , 28553 2414 9 A A NNP 28553 2414 10 _ _ NNP 28553 2414 11 c c NNP 28553 2414 12 _ _ NNP 28553 2414 13 , , , 28553 2414 14 from from IN 28553 2414 15 a a DT 28553 2414 16 point point NN 28553 2414 17 A a DT 28553 2414 18 strike strike NN 28553 2414 19 the the DT 28553 2414 20 mirror mirror NN 28553 2414 21 M M NNP 28553 2414 22 at at IN 28553 2414 23 the the DT 28553 2414 24 points point NNS 28553 2414 25 _ _ NNP 28553 2414 26 b b NNP 28553 2414 27 _ _ NNP 28553 2414 28 and and CC 28553 2414 29 _ _ NNP 28553 2414 30 c c NNP 28553 2414 31 _ _ NNP 28553 2414 32 . . . 28553 2415 1 Lines Lines NNP 28553 2415 2 _ _ NNP 28553 2415 3 b b NNP 28553 2415 4 _ _ NNP 28553 2415 5 N N NNP 28553 2415 6 , , , 28553 2415 7 _ _ NNP 28553 2415 8 c c NNP 28553 2415 9 _ _ NNP 28553 2415 10 O O NNP 28553 2415 11 , , , 28553 2415 12 drawn draw VBN 28553 2415 13 from from IN 28553 2415 14 these these DT 28553 2415 15 points point NNS 28553 2415 16 perpendicular perpendicular JJ 28553 2415 17 to to IN 28553 2415 18 the the DT 28553 2415 19 mirror mirror NN 28553 2415 20 are be VBP 28553 2415 21 called call VBN 28553 2415 22 their -PRON- PRP$ 28553 2415 23 _ _ NNP 28553 2415 24 normals normal NNS 28553 2415 25 _ _ NNP 28553 2415 26 . . . 28553 2416 1 The the DT 28553 2416 2 angles angle NNS 28553 2416 3 A A NNP 28553 2416 4 _ _ NNP 28553 2416 5 b b NN 28553 2416 6 _ _ NNP 28553 2416 7 N N NNP 28553 2416 8 , , , 28553 2416 9 A A NNP 28553 2416 10 _ _ NNP 28553 2416 11 c c NNP 28553 2416 12 _ _ NNP 28553 2416 13 O o NN 28553 2416 14 are be VBP 28553 2416 15 the the DT 28553 2416 16 _ _ NNP 28553 2416 17 angles angle NNS 28553 2416 18 of of IN 28553 2416 19 incidence incidence NN 28553 2416 20 _ _ NNP 28553 2416 21 of of IN 28553 2416 22 rays ray NNS 28553 2416 23 A A NNP 28553 2416 24 _ _ NNP 28553 2416 25 b b NNP 28553 2416 26 _ _ NNP 28553 2416 27 , , , 28553 2416 28 A A NNP 28553 2416 29 _ _ NNP 28553 2416 30 c c NNP 28553 2416 31 _ _ NNP 28553 2416 32 . . . 28553 2417 1 The the DT 28553 2417 2 paths path NNS 28553 2417 3 which which WDT 28553 2417 4 the the DT 28553 2417 5 rays ray NNS 28553 2417 6 take take VBP 28553 2417 7 after after IN 28553 2417 8 reflection reflection NN 28553 2417 9 must must MD 28553 2417 10 make make VB 28553 2417 11 angles angle NNS 28553 2417 12 with with IN 28553 2417 13 _ _ NNP 28553 2417 14 b b NNP 28553 2417 15 _ _ NNP 28553 2417 16 N N NNP 28553 2417 17 and and CC 28553 2417 18 _ _ NNP 28553 2417 19 c c NNP 28553 2417 20 _ _ NNP 28553 2417 21 O o UH 28553 2417 22 respectively respectively RB 28553 2417 23 equal equal JJ 28553 2417 24 to to IN 28553 2417 25 A A NNP 28553 2417 26 _ _ NNP 28553 2417 27 b b NN 28553 2417 28 _ _ NNP 28553 2417 29 N N NNP 28553 2417 30 , , , 28553 2417 31 A A NNP 28553 2417 32 _ _ NNP 28553 2417 33 c c NNP 28553 2417 34 _ _ NNP 28553 2417 35 O. O. NNP 28553 2418 1 These these DT 28553 2418 2 are be VBP 28553 2418 3 the the DT 28553 2418 4 _ _ NNP 28553 2418 5 angles angle NNS 28553 2418 6 of of IN 28553 2418 7 reflection reflection NN 28553 2418 8 _ _ NNP 28553 2418 9 . . . 28553 2419 1 If if IN 28553 2419 2 the the DT 28553 2419 3 eye eye NN 28553 2419 4 is be VBZ 28553 2419 5 so so RB 28553 2419 6 situated situated JJ 28553 2419 7 that that IN 28553 2419 8 the the DT 28553 2419 9 rays ray NNS 28553 2419 10 enter enter VBP 28553 2419 11 it -PRON- PRP 28553 2419 12 as as IN 28553 2419 13 in in IN 28553 2419 14 our -PRON- PRP$ 28553 2419 15 illustration illustration NN 28553 2419 16 , , , 28553 2419 17 an an DT 28553 2419 18 image image NN 28553 2419 19 of of IN 28553 2419 20 the the DT 28553 2419 21 point point NN 28553 2419 22 A a NN 28553 2419 23 is be VBZ 28553 2419 24 seen see VBN 28553 2419 25 at at IN 28553 2419 26 the the DT 28553 2419 27 point point NN 28553 2419 28 A^1 A^1 NNP 28553 2419 29 , , , 28553 2419 30 in in IN 28553 2419 31 which which WDT 28553 2419 32 the the DT 28553 2419 33 lines line NNS 28553 2419 34 D D NNP 28553 2419 35 _ _ NNP 28553 2419 36 b b NNP 28553 2419 37 _ _ NNP 28553 2419 38 , , , 28553 2419 39 E E NNP 28553 2419 40 _ _ NNP 28553 2419 41 c c NNP 28553 2419 42 _ _ NNP 28553 2419 43 meet meet NN 28553 2419 44 when when WRB 28553 2419 45 produced produce VBN 28553 2419 46 backwards backwards RB 28553 2419 47 . . . 28553 2420 1 [ [ -LRB- 28553 2420 2 Illustration illustration NN 28553 2420 3 : : : 28553 2420 4 FIG FIG NNP 28553 2420 5 . . . 28553 2421 1 132 132 CD 28553 2421 2 . . . 28553 2421 3 ] ] -RRB- 28553 2422 1 When when WRB 28553 2422 2 the the DT 28553 2422 3 vertical vertical JJ 28553 2422 4 mirror mirror NN 28553 2422 5 is be VBZ 28553 2422 6 replaced replace VBN 28553 2422 7 by by IN 28553 2422 8 a a DT 28553 2422 9 horizontal horizontal JJ 28553 2422 10 reflecting reflect VBG 28553 2422 11 surface surface NN 28553 2422 12 , , , 28553 2422 13 such such JJ 28553 2422 14 as as IN 28553 2422 15 a a DT 28553 2422 16 pond pond NN 28553 2422 17 ( ( -LRB- 28553 2422 18 Fig fig NN 28553 2422 19 . . . 28553 2423 1 132 132 CD 28553 2423 2 ) ) -RRB- 28553 2423 3 , , , 28553 2423 4 the the DT 28553 2423 5 same same JJ 28553 2423 6 thing thing NN 28553 2423 7 happens happen VBZ 28553 2423 8 . . . 28553 2424 1 The the DT 28553 2424 2 point point NN 28553 2424 3 at at IN 28553 2424 4 which which WDT 28553 2424 5 the the DT 28553 2424 6 ray ray NN 28553 2424 7 from from IN 28553 2424 8 the the DT 28553 2424 9 reflection reflection NN 28553 2424 10 of of IN 28553 2424 11 the the DT 28553 2424 12 spire spire NN 28553 2424 13 's 's POS 28553 2424 14 tip tip NN 28553 2424 15 to to IN 28553 2424 16 the the DT 28553 2424 17 eye eye NN 28553 2424 18 appears appear VBZ 28553 2424 19 to to TO 28553 2424 20 pass pass VB 28553 2424 21 through through IN 28553 2424 22 the the DT 28553 2424 23 surface surface NN 28553 2424 24 of of IN 28553 2424 25 the the DT 28553 2424 26 water water NN 28553 2424 27 must must MD 28553 2424 28 be be VB 28553 2424 29 so so RB 28553 2424 30 situated situated JJ 28553 2424 31 that that IN 28553 2424 32 if if IN 28553 2424 33 a a DT 28553 2424 34 line line NN 28553 2424 35 were be VBD 28553 2424 36 drawn draw VBN 28553 2424 37 perpendicular perpendicular JJ 28553 2424 38 to to IN 28553 2424 39 it -PRON- PRP 28553 2424 40 from from IN 28553 2424 41 the the DT 28553 2424 42 surface surface NN 28553 2424 43 the the DT 28553 2424 44 angles angle NNS 28553 2424 45 made make VBN 28553 2424 46 by by IN 28553 2424 47 lines line NNS 28553 2424 48 drawn draw VBN 28553 2424 49 from from IN 28553 2424 50 the the DT 28553 2424 51 real real JJ 28553 2424 52 spire spire NN 28553 2424 53 tip tip NN 28553 2424 54 and and CC 28553 2424 55 from from IN 28553 2424 56 the the DT 28553 2424 57 observer observer NN 28553 2424 58 's 's POS 28553 2424 59 eye eye NN 28553 2424 60 to to IN 28553 2424 61 the the DT 28553 2424 62 base base NN 28553 2424 63 of of IN 28553 2424 64 the the DT 28553 2424 65 perpendicular perpendicular NN 28553 2424 66 would would MD 28553 2424 67 be be VB 28553 2424 68 equal equal JJ 28553 2424 69 . . . 28553 2425 1 [ [ -LRB- 28553 2425 2 22 22 CD 28553 2425 3 ] ] -RRB- 28553 2425 4 Glazebrook Glazebrook NNP 28553 2425 5 , , , 28553 2425 6 " " `` 28553 2425 7 Light light NN 28553 2425 8 , , , 28553 2425 9 " " '' 28553 2425 10 p. p. NN 28553 2425 11 157 157 CD 28553 2425 12 . . . 28553 2426 1 [ [ -LRB- 28553 2426 2 23 23 CD 28553 2426 3 ] ] -RRB- 28553 2426 4 Glazebrook Glazebrook NNP 28553 2426 5 , , , 28553 2426 6 " " `` 28553 2426 7 Light light NN 28553 2426 8 , , , 28553 2426 9 " " '' 28553 2426 10 p. p. NN 28553 2426 11 157 157 CD 28553 2426 12 . . . 28553 2427 1 [ [ -LRB- 28553 2427 2 24 24 CD 28553 2427 3 ] ] -RRB- 28553 2427 4 Galileo Galileo NNP 28553 2427 5 was be VBD 28553 2427 6 severely severely RB 28553 2427 7 censured censure VBN 28553 2427 8 and and CC 28553 2427 9 imprisoned imprison VBN 28553 2427 10 for for IN 28553 2427 11 daring dare VBG 28553 2427 12 to to TO 28553 2427 13 maintain maintain VB 28553 2427 14 that that IN 28553 2427 15 the the DT 28553 2427 16 earth earth NN 28553 2427 17 moved move VBD 28553 2427 18 round round IN 28553 2427 19 the the DT 28553 2427 20 sun sun NN 28553 2427 21 , , , 28553 2427 22 and and CC 28553 2427 23 revolved revolve VBD 28553 2427 24 on on IN 28553 2427 25 its -PRON- PRP$ 28553 2427 26 axis axis NN 28553 2427 27 . . . 28553 2428 1 [ [ -LRB- 28553 2428 2 25 25 CD 28553 2428 3 ] ] -RRB- 28553 2428 4 For for IN 28553 2428 5 a a DT 28553 2428 6 full full JJ 28553 2428 7 account account NN 28553 2428 8 of of IN 28553 2428 9 Animated Animated NNP 28553 2428 10 Pictures Pictures NNP 28553 2428 11 the the DT 28553 2428 12 reader reader NN 28553 2428 13 might may MD 28553 2428 14 advantageously advantageously RB 28553 2428 15 consult consult VB 28553 2428 16 " " `` 28553 2428 17 The the DT 28553 2428 18 Romance Romance NNP 28553 2428 19 of of IN 28553 2428 20 Modern Modern NNP 28553 2428 21 Invention Invention NNP 28553 2428 22 , , , 28553 2428 23 " " '' 28553 2428 24 pp pp NNP 28553 2428 25 . . . 28553 2429 1 166 166 CD 28553 2429 2 foll foll NN 28553 2429 3 . . . 28553 2430 1 Chapter Chapter NNP 28553 2430 2 XIV XIV NNP 28553 2430 3 . . . 28553 2431 1 SOUND SOUND NNP 28553 2431 2 AND and CC 28553 2431 3 MUSICAL MUSICAL NNS 28553 2431 4 INSTRUMENTS instrument NNS 28553 2431 5 . . . 28553 2432 1 Nature nature NN 28553 2432 2 of of IN 28553 2432 3 sound sound NN 28553 2432 4 -- -- : 28553 2432 5 The the DT 28553 2432 6 ear ear NN 28553 2432 7 -- -- : 28553 2432 8 Musical musical JJ 28553 2432 9 instruments instrument NNS 28553 2432 10 -- -- : 28553 2432 11 The the DT 28553 2432 12 vibration vibration NN 28553 2432 13 of of IN 28553 2432 14 strings string NNS 28553 2432 15 -- -- : 28553 2432 16 The the DT 28553 2432 17 sounding sound VBG 28553 2432 18 - - HYPH 28553 2432 19 board board NN 28553 2432 20 and and CC 28553 2432 21 the the DT 28553 2432 22 frame frame NN 28553 2432 23 of of IN 28553 2432 24 a a DT 28553 2432 25 piano piano NN 28553 2432 26 -- -- : 28553 2432 27 The the DT 28553 2432 28 strings string NNS 28553 2432 29 -- -- : 28553 2432 30 The the DT 28553 2432 31 striking striking JJ 28553 2432 32 mechanism mechanism NN 28553 2432 33 -- -- : 28553 2432 34 The the DT 28553 2432 35 quality quality NN 28553 2432 36 of of IN 28553 2432 37 a a DT 28553 2432 38 note note NN 28553 2432 39 . . . 28553 2433 1 Sound sound JJ 28553 2433 2 differs differ NNS 28553 2433 3 from from IN 28553 2433 4 light light NN 28553 2433 5 , , , 28553 2433 6 heat heat NN 28553 2433 7 , , , 28553 2433 8 and and CC 28553 2433 9 electricity electricity NN 28553 2433 10 in in IN 28553 2433 11 that that IN 28553 2433 12 it -PRON- PRP 28553 2433 13 can can MD 28553 2433 14 be be VB 28553 2433 15 propagated propagate VBN 28553 2433 16 through through IN 28553 2433 17 matter matter NN 28553 2433 18 only only RB 28553 2433 19 . . . 28553 2434 1 Sound sound NN 28553 2434 2 - - HYPH 28553 2434 3 waves wave NNS 28553 2434 4 are be VBP 28553 2434 5 matter matter NN 28553 2434 6 - - HYPH 28553 2434 7 waves wave NNS 28553 2434 8 , , , 28553 2434 9 not not RB 28553 2434 10 ether ether NN 28553 2434 11 - - HYPH 28553 2434 12 waves wave NNS 28553 2434 13 . . . 28553 2435 1 This this DT 28553 2435 2 can can MD 28553 2435 3 be be VB 28553 2435 4 proved prove VBN 28553 2435 5 by by IN 28553 2435 6 placing place VBG 28553 2435 7 an an DT 28553 2435 8 electric electric JJ 28553 2435 9 bell bell NN 28553 2435 10 under under IN 28553 2435 11 the the DT 28553 2435 12 bell bell NN 28553 2435 13 - - HYPH 28553 2435 14 glass glass NN 28553 2435 15 of of IN 28553 2435 16 an an DT 28553 2435 17 air air NN 28553 2435 18 - - HYPH 28553 2435 19 pump pump NN 28553 2435 20 and and CC 28553 2435 21 exhausting exhaust VBG 28553 2435 22 all all PDT 28553 2435 23 the the DT 28553 2435 24 air air NN 28553 2435 25 . . . 28553 2436 1 Ether ether NN 28553 2436 2 still still RB 28553 2436 3 remains remain VBZ 28553 2436 4 inside inside IN 28553 2436 5 the the DT 28553 2436 6 glass glass NN 28553 2436 7 , , , 28553 2436 8 but but CC 28553 2436 9 if if IN 28553 2436 10 the the DT 28553 2436 11 bell bell NN 28553 2436 12 be be VB 28553 2436 13 set set VBN 28553 2436 14 in in IN 28553 2436 15 motion motion NN 28553 2436 16 no no DT 28553 2436 17 sound sound NN 28553 2436 18 is be VBZ 28553 2436 19 audible audible JJ 28553 2436 20 . . . 28553 2437 1 Admit admit JJ 28553 2437 2 air air NN 28553 2437 3 , , , 28553 2437 4 and and CC 28553 2437 5 the the DT 28553 2437 6 clang clang NN 28553 2437 7 of of IN 28553 2437 8 the the DT 28553 2437 9 gong gong NN 28553 2437 10 is be VBZ 28553 2437 11 heard hear VBN 28553 2437 12 quite quite RB 28553 2437 13 plainly plainly RB 28553 2437 14 . . . 28553 2438 1 Sound sound JJ 28553 2438 2 resembles resemble VBZ 28553 2438 3 light light JJ 28553 2438 4 and and CC 28553 2438 5 heat heat VBP 28553 2438 6 , , , 28553 2438 7 however however RB 28553 2438 8 , , , 28553 2438 9 thus thus RB 28553 2438 10 far far RB 28553 2438 11 , , , 28553 2438 12 that that IN 28553 2438 13 it -PRON- PRP 28553 2438 14 can can MD 28553 2438 15 be be VB 28553 2438 16 concentrated concentrate VBN 28553 2438 17 by by IN 28553 2438 18 means mean NNS 28553 2438 19 of of IN 28553 2438 20 suitable suitable JJ 28553 2438 21 lenses lense NNS 28553 2438 22 and and CC 28553 2438 23 curved curved JJ 28553 2438 24 surfaces surface NNS 28553 2438 25 . . . 28553 2439 1 An an DT 28553 2439 2 _ _ NNP 28553 2439 3 echo echo NN 28553 2439 4 _ _ NNP 28553 2439 5 is be VBZ 28553 2439 6 a a DT 28553 2439 7 proof proof NN 28553 2439 8 of of IN 28553 2439 9 its -PRON- PRP$ 28553 2439 10 _ _ NNP 28553 2439 11 reflection reflection NN 28553 2439 12 _ _ NNP 28553 2439 13 from from IN 28553 2439 14 a a DT 28553 2439 15 surface surface NN 28553 2439 16 . . . 28553 2440 1 Before before IN 28553 2440 2 dealing deal VBG 28553 2440 3 with with IN 28553 2440 4 the the DT 28553 2440 5 various various JJ 28553 2440 6 appliances appliance NNS 28553 2440 7 used use VBN 28553 2440 8 for for IN 28553 2440 9 producing produce VBG 28553 2440 10 sound sound NN 28553 2440 11 - - HYPH 28553 2440 12 waves wave NNS 28553 2440 13 of of IN 28553 2440 14 a a DT 28553 2440 15 definite definite JJ 28553 2440 16 character character NN 28553 2440 17 , , , 28553 2440 18 let let VB 28553 2440 19 us -PRON- PRP 28553 2440 20 examine examine VB 28553 2440 21 that that DT 28553 2440 22 wonderful wonderful JJ 28553 2440 23 natural natural JJ 28553 2440 24 apparatus apparatus NN 28553 2440 25 THE the DT 28553 2440 26 EAR EAR NNP 28553 2440 27 , , , 28553 2440 28 through through IN 28553 2440 29 which which WDT 28553 2440 30 we -PRON- PRP 28553 2440 31 receive receive VBP 28553 2440 32 those those DT 28553 2440 33 sensations sensation NNS 28553 2440 34 which which WDT 28553 2440 35 we -PRON- PRP 28553 2440 36 call call VBP 28553 2440 37 sound sound NN 28553 2440 38 . . . 28553 2441 1 [ [ -LRB- 28553 2441 2 Illustration illustration NN 28553 2441 3 : : : 28553 2441 4 FIG FIG NNP 28553 2441 5 . . . 28553 2442 1 133.--Diagrammatic 133.--diagrammatic CD 28553 2442 2 sketch sketch NN 28553 2442 3 of of IN 28553 2442 4 the the DT 28553 2442 5 parts part NNS 28553 2442 6 of of IN 28553 2442 7 the the DT 28553 2442 8 ear ear NN 28553 2442 9 . . . 28553 2442 10 ] ] -RRB- 28553 2443 1 Fig fig NN 28553 2443 2 . . . 28553 2444 1 133 133 CD 28553 2444 2 is be VBZ 28553 2444 3 a a DT 28553 2444 4 purely purely RB 28553 2444 5 diagrammatic diagrammatic JJ 28553 2444 6 section section NN 28553 2444 7 of of IN 28553 2444 8 the the DT 28553 2444 9 ear ear NN 28553 2444 10 , , , 28553 2444 11 showing show VBG 28553 2444 12 the the DT 28553 2444 13 various various JJ 28553 2444 14 parts part NNS 28553 2444 15 distorted distort VBN 28553 2444 16 and and CC 28553 2444 17 out out IN 28553 2444 18 of of IN 28553 2444 19 proportion proportion NN 28553 2444 20 . . . 28553 2445 1 Beginning begin VBG 28553 2445 2 at at IN 28553 2445 3 the the DT 28553 2445 4 left left NN 28553 2445 5 , , , 28553 2445 6 we -PRON- PRP 28553 2445 7 have have VBP 28553 2445 8 the the DT 28553 2445 9 _ _ NNP 28553 2445 10 outer outer JJ 28553 2445 11 ear ear NN 28553 2445 12 _ _ NNP 28553 2445 13 , , , 28553 2445 14 the the DT 28553 2445 15 lobe lobe NN 28553 2445 16 , , , 28553 2445 17 to to TO 28553 2445 18 gather gather VB 28553 2445 19 in in IN 28553 2445 20 the the DT 28553 2445 21 sound sound NN 28553 2445 22 - - HYPH 28553 2445 23 waves wave NNS 28553 2445 24 on on RP 28553 2445 25 to to IN 28553 2445 26 the the DT 28553 2445 27 membrane membrane NN 28553 2445 28 of of IN 28553 2445 29 the the DT 28553 2445 30 tympanum tympanum NN 28553 2445 31 , , , 28553 2445 32 or or CC 28553 2445 33 drum drum VB 28553 2445 34 , , , 28553 2445 35 to to TO 28553 2445 36 which which WDT 28553 2445 37 is be VBZ 28553 2445 38 attached attach VBN 28553 2445 39 the the DT 28553 2445 40 first first JJ 28553 2445 41 of of IN 28553 2445 42 a a DT 28553 2445 43 series series NN 28553 2445 44 of of IN 28553 2445 45 _ _ NNP 28553 2445 46 ossicles ossicle NNS 28553 2445 47 _ _ NNP 28553 2445 48 , , , 28553 2445 49 or or CC 28553 2445 50 small small JJ 28553 2445 51 bones bone NNS 28553 2445 52 . . . 28553 2446 1 The the DT 28553 2446 2 last last JJ 28553 2446 3 of of IN 28553 2446 4 these these DT 28553 2446 5 presses press NNS 28553 2446 6 against against IN 28553 2446 7 an an DT 28553 2446 8 opening opening NN 28553 2446 9 in in IN 28553 2446 10 the the DT 28553 2446 11 _ _ NNP 28553 2446 12 inner inner JJ 28553 2446 13 ear ear NN 28553 2446 14 _ _ NNP 28553 2446 15 , , , 28553 2446 16 a a DT 28553 2446 17 cavity cavity NN 28553 2446 18 surrounded surround VBN 28553 2446 19 by by IN 28553 2446 20 the the DT 28553 2446 21 bones bone NNS 28553 2446 22 of of IN 28553 2446 23 the the DT 28553 2446 24 head head NN 28553 2446 25 . . . 28553 2447 1 Inside inside IN 28553 2447 2 the the DT 28553 2447 3 inner inner JJ 28553 2447 4 ear ear NN 28553 2447 5 is be VBZ 28553 2447 6 a a DT 28553 2447 7 watery watery JJ 28553 2447 8 fluid fluid NN 28553 2447 9 , , , 28553 2447 10 P p NN 28553 2447 11 , , , 28553 2447 12 called call VBD 28553 2447 13 _ _ NNP 28553 2447 14 perilymph perilymph NN 28553 2447 15 _ _ NNP 28553 2447 16 ( ( -LRB- 28553 2447 17 " " `` 28553 2447 18 surrounding surround VBG 28553 2447 19 water water NN 28553 2447 20 " " '' 28553 2447 21 ) ) -RRB- 28553 2447 22 , , , 28553 2447 23 immersed immerse VBN 28553 2447 24 in in IN 28553 2447 25 which which WDT 28553 2447 26 is be VBZ 28553 2447 27 a a DT 28553 2447 28 membranic membranic JJ 28553 2447 29 envelope envelope NN 28553 2447 30 , , , 28553 2447 31 M M NNP 28553 2447 32 , , , 28553 2447 33 containing contain VBG 28553 2447 34 _ _ NNP 28553 2447 35 endolymph endolymph NNP 28553 2447 36 _ _ NNP 28553 2447 37 ( ( -LRB- 28553 2447 38 " " `` 28553 2447 39 inside inside JJ 28553 2447 40 water water NN 28553 2447 41 " " '' 28553 2447 42 ) ) -RRB- 28553 2447 43 , , , 28553 2447 44 also also RB 28553 2447 45 full full JJ 28553 2447 46 of of IN 28553 2447 47 fluid fluid NN 28553 2447 48 . . . 28553 2448 1 Into into IN 28553 2448 2 this this DT 28553 2448 3 fluid fluid JJ 28553 2448 4 project project NN 28553 2448 5 E e NN 28553 2448 6 E e NN 28553 2448 7 E e NN 28553 2448 8 , , , 28553 2448 9 the the DT 28553 2448 10 terminations termination NNS 28553 2448 11 of of IN 28553 2448 12 the the DT 28553 2448 13 _ _ NNP 28553 2448 14 auditory auditory JJ 28553 2448 15 nerve nerve NN 28553 2448 16 _ _ NNP 28553 2448 17 , , , 28553 2448 18 leading lead VBG 28553 2448 19 to to IN 28553 2448 20 the the DT 28553 2448 21 brain brain NN 28553 2448 22 . . . 28553 2449 1 When when WRB 28553 2449 2 sound sound NN 28553 2449 3 - - HYPH 28553 2449 4 waves wave NNS 28553 2449 5 strike strike VBP 28553 2449 6 the the DT 28553 2449 7 tympanum tympanum NN 28553 2449 8 , , , 28553 2449 9 they -PRON- PRP 28553 2449 10 cause cause VBP 28553 2449 11 it -PRON- PRP 28553 2449 12 to to TO 28553 2449 13 move move VB 28553 2449 14 inwards inward NNS 28553 2449 15 and and CC 28553 2449 16 outwards outward NNS 28553 2449 17 in in IN 28553 2449 18 a a DT 28553 2449 19 series series NN 28553 2449 20 of of IN 28553 2449 21 rapid rapid JJ 28553 2449 22 movements movement NNS 28553 2449 23 . . . 28553 2450 1 The the DT 28553 2450 2 ossicles ossicle NNS 28553 2450 3 operated operate VBN 28553 2450 4 by by IN 28553 2450 5 the the DT 28553 2450 6 tympanum tympanum NNP 28553 2450 7 press press NN 28553 2450 8 on on IN 28553 2450 9 the the DT 28553 2450 10 little little JJ 28553 2450 11 opening opening NN 28553 2450 12 O o NN 28553 2450 13 , , , 28553 2450 14 covered cover VBN 28553 2450 15 by by IN 28553 2450 16 a a DT 28553 2450 17 membrane membrane NN 28553 2450 18 , , , 28553 2450 19 and and CC 28553 2450 20 every every DT 28553 2450 21 time time NN 28553 2450 22 they -PRON- PRP 28553 2450 23 push push VBP 28553 2450 24 it -PRON- PRP 28553 2450 25 in in IN 28553 2450 26 they -PRON- PRP 28553 2450 27 slightly slightly RB 28553 2450 28 squeeze squeeze VBP 28553 2450 29 the the DT 28553 2450 30 perilymph perilymph NN 28553 2450 31 , , , 28553 2450 32 which which WDT 28553 2450 33 in in IN 28553 2450 34 turn turn NN 28553 2450 35 compresses compress VBZ 28553 2450 36 the the DT 28553 2450 37 endolymph endolymph NN 28553 2450 38 , , , 28553 2450 39 which which WDT 28553 2450 40 affects affect VBZ 28553 2450 41 the the DT 28553 2450 42 nerve nerve NN 28553 2450 43 - - HYPH 28553 2450 44 ends end NNS 28553 2450 45 , , , 28553 2450 46 and and CC 28553 2450 47 telegraphs telegraph VBZ 28553 2450 48 a a DT 28553 2450 49 sensation sensation NN 28553 2450 50 of of IN 28553 2450 51 sound sound NN 28553 2450 52 to to IN 28553 2450 53 the the DT 28553 2450 54 brain brain NN 28553 2450 55 . . . 28553 2451 1 In in IN 28553 2451 2 Fig Fig NNP 28553 2451 3 . . . 28553 2452 1 134 134 CD 28553 2452 2 we -PRON- PRP 28553 2452 3 have have VBP 28553 2452 4 a a DT 28553 2452 5 more more RBR 28553 2452 6 developed developed JJ 28553 2452 7 sketch sketch NN 28553 2452 8 , , , 28553 2452 9 giving give VBG 28553 2452 10 in in IN 28553 2452 11 fuller full JJR 28553 2452 12 detail detail NN 28553 2452 13 , , , 28553 2452 14 though though IN 28553 2452 15 still still RB 28553 2452 16 not not RB 28553 2452 17 in in IN 28553 2452 18 their -PRON- PRP$ 28553 2452 19 actual actual JJ 28553 2452 20 proportions proportion NNS 28553 2452 21 , , , 28553 2452 22 the the DT 28553 2452 23 components component NNS 28553 2452 24 of of IN 28553 2452 25 the the DT 28553 2452 26 ear ear NN 28553 2452 27 . . . 28553 2453 1 The the DT 28553 2453 2 ossicles ossicle NNS 28553 2453 3 M M NNP 28553 2453 4 , , , 28553 2453 5 I -PRON- PRP 28553 2453 6 , , , 28553 2453 7 and and CC 28553 2453 8 S S NNP 28553 2453 9 are be VBP 28553 2453 10 respectively respectively RB 28553 2453 11 the the DT 28553 2453 12 _ _ NNP 28553 2453 13 malleus malleus NNP 28553 2453 14 _ _ NNP 28553 2453 15 ( ( -LRB- 28553 2453 16 hammer hammer NNP 28553 2453 17 ) ) -RRB- 28553 2453 18 , , , 28553 2453 19 _ _ NNP 28553 2453 20 incus incus NN 28553 2453 21 _ _ NNP 28553 2453 22 ( ( -LRB- 28553 2453 23 anvil anvil NNP 28553 2453 24 ) ) -RRB- 28553 2453 25 , , , 28553 2453 26 and and CC 28553 2453 27 _ _ NNP 28553 2453 28 stapes stape NNS 28553 2453 29 _ _ NNP 28553 2453 30 ( ( -LRB- 28553 2453 31 stirrup stirrup NN 28553 2453 32 ) ) -RRB- 28553 2453 33 . . . 28553 2454 1 Each each DT 28553 2454 2 is be VBZ 28553 2454 3 attached attach VBN 28553 2454 4 by by IN 28553 2454 5 ligaments ligament NNS 28553 2454 6 to to IN 28553 2454 7 the the DT 28553 2454 8 walls wall NNS 28553 2454 9 of of IN 28553 2454 10 the the DT 28553 2454 11 middle middle JJ 28553 2454 12 ear ear NN 28553 2454 13 . . . 28553 2455 1 The the DT 28553 2455 2 tympanum tympanum NN 28553 2455 3 moves move VBZ 28553 2455 4 the the DT 28553 2455 5 malleus malleus NNP 28553 2455 6 , , , 28553 2455 7 the the DT 28553 2455 8 malleus malleus NNP 28553 2455 9 the the DT 28553 2455 10 incus incus NN 28553 2455 11 , , , 28553 2455 12 and and CC 28553 2455 13 the the DT 28553 2455 14 incus incus NN 28553 2455 15 the the DT 28553 2455 16 stapes stape NNS 28553 2455 17 , , , 28553 2455 18 the the DT 28553 2455 19 last last JJ 28553 2455 20 pressing pressing NN 28553 2455 21 into into IN 28553 2455 22 the the DT 28553 2455 23 opening opening NN 28553 2455 24 O o NN 28553 2455 25 of of IN 28553 2455 26 Fig Fig NNP 28553 2455 27 . . . 28553 2456 1 133 133 CD 28553 2456 2 , , , 28553 2456 3 which which WDT 28553 2456 4 is be VBZ 28553 2456 5 scientifically scientifically RB 28553 2456 6 known know VBN 28553 2456 7 as as IN 28553 2456 8 the the DT 28553 2456 9 _ _ NNP 28553 2456 10 fenestra fenestra NNP 28553 2456 11 ovalis ovalis NNP 28553 2456 12 _ _ NNP 28553 2456 13 , , , 28553 2456 14 or or CC 28553 2456 15 oval oval NN 28553 2456 16 window window NN 28553 2456 17 . . . 28553 2457 1 As as IN 28553 2457 2 liquids liquid NNS 28553 2457 3 are be VBP 28553 2457 4 practically practically RB 28553 2457 5 incompressible incompressible JJ 28553 2457 6 , , , 28553 2457 7 nature nature NN 28553 2457 8 has have VBZ 28553 2457 9 made make VBN 28553 2457 10 allowance allowance NN 28553 2457 11 for for IN 28553 2457 12 the the DT 28553 2457 13 squeezing squeezing NN 28553 2457 14 in in RP 28553 2457 15 of of IN 28553 2457 16 the the DT 28553 2457 17 oval oval JJ 28553 2457 18 window window NN 28553 2457 19 membrane membrane NN 28553 2457 20 , , , 28553 2457 21 by by IN 28553 2457 22 providing provide VBG 28553 2457 23 a a DT 28553 2457 24 second second JJ 28553 2457 25 opening opening NN 28553 2457 26 , , , 28553 2457 27 the the DT 28553 2457 28 round round JJ 28553 2457 29 window window NN 28553 2457 30 , , , 28553 2457 31 also also RB 28553 2457 32 covered cover VBN 28553 2457 33 with with IN 28553 2457 34 a a DT 28553 2457 35 membrane membrane NN 28553 2457 36 . . . 28553 2458 1 When when WRB 28553 2458 2 the the DT 28553 2458 3 stapes stape NNS 28553 2458 4 pushes push VBZ 28553 2458 5 the the DT 28553 2458 6 oval oval NN 28553 2458 7 membrane membrane NN 28553 2458 8 in in IN 28553 2458 9 , , , 28553 2458 10 the the DT 28553 2458 11 round round JJ 28553 2458 12 membrane membrane NN 28553 2458 13 bulges bulge VBZ 28553 2458 14 out out RP 28553 2458 15 , , , 28553 2458 16 its -PRON- PRP$ 28553 2458 17 elasticity elasticity NN 28553 2458 18 sufficing suffice VBG 28553 2458 19 to to TO 28553 2458 20 put put VB 28553 2458 21 a a DT 28553 2458 22 certain certain JJ 28553 2458 23 pressure pressure NN 28553 2458 24 on on IN 28553 2458 25 the the DT 28553 2458 26 perilymph perilymph NN 28553 2458 27 ( ( -LRB- 28553 2458 28 indicated indicate VBN 28553 2458 29 by by IN 28553 2458 30 the the DT 28553 2458 31 dotted dotted JJ 28553 2458 32 portion portion NN 28553 2458 33 of of IN 28553 2458 34 the the DT 28553 2458 35 inner inner JJ 28553 2458 36 ear ear NN 28553 2458 37 ) ) -RRB- 28553 2458 38 . . . 28553 2459 1 [ [ -LRB- 28553 2459 2 Illustration illustration NN 28553 2459 3 : : : 28553 2459 4 FIG FIG NNP 28553 2459 5 . . . 28553 2460 1 134.--Diagrammatic 134.--diagrammatic CD 28553 2460 2 section section NN 28553 2460 3 of of IN 28553 2460 4 the the DT 28553 2460 5 ear ear NN 28553 2460 6 , , , 28553 2460 7 showing show VBG 28553 2460 8 the the DT 28553 2460 9 various various JJ 28553 2460 10 parts part NNS 28553 2460 11 . . . 28553 2460 12 ] ] -RRB- 28553 2461 1 The the DT 28553 2461 2 inner inner JJ 28553 2461 3 ear ear NN 28553 2461 4 consists consist VBZ 28553 2461 5 of of IN 28553 2461 6 two two CD 28553 2461 7 main main JJ 28553 2461 8 parts part NNS 28553 2461 9 , , , 28553 2461 10 the the DT 28553 2461 11 _ _ NNP 28553 2461 12 cochlea_--so cochlea_--so NNP 28553 2461 13 called call VBN 28553 2461 14 from from IN 28553 2461 15 its -PRON- PRP$ 28553 2461 16 resemblance resemblance NN 28553 2461 17 in in IN 28553 2461 18 shape shape NN 28553 2461 19 to to IN 28553 2461 20 a a DT 28553 2461 21 snail snail NN 28553 2461 22 's 's POS 28553 2461 23 shell shell NN 28553 2461 24 -- -- : 28553 2461 25 and and CC 28553 2461 26 the the DT 28553 2461 27 _ _ NNP 28553 2461 28 semicircular semicircular JJ 28553 2461 29 canals canal NNS 28553 2461 30 _ _ NNP 28553 2461 31 . . . 28553 2462 1 Each each DT 28553 2462 2 portion portion NN 28553 2462 3 has have VBZ 28553 2462 4 its -PRON- PRP$ 28553 2462 5 perilymph perilymph NN 28553 2462 6 and and CC 28553 2462 7 endolymph endolymph NN 28553 2462 8 , , , 28553 2462 9 and and CC 28553 2462 10 contains contain VBZ 28553 2462 11 a a DT 28553 2462 12 number number NN 28553 2462 13 of of IN 28553 2462 14 the the DT 28553 2462 15 nerve nerve NN 28553 2462 16 - - HYPH 28553 2462 17 ends end NNS 28553 2462 18 , , , 28553 2462 19 which which WDT 28553 2462 20 are be VBP 28553 2462 21 , , , 28553 2462 22 however however RB 28553 2462 23 , , , 28553 2462 24 most most RBS 28553 2462 25 numerous numerous JJ 28553 2462 26 in in IN 28553 2462 27 the the DT 28553 2462 28 cochlea cochlea NN 28553 2462 29 . . . 28553 2463 1 We -PRON- PRP 28553 2463 2 do do VBP 28553 2463 3 not not RB 28553 2463 4 know know VB 28553 2463 5 for for IN 28553 2463 6 certain certain JJ 28553 2463 7 what what WP 28553 2463 8 the the DT 28553 2463 9 functions function NNS 28553 2463 10 of of IN 28553 2463 11 the the DT 28553 2463 12 canals canal NNS 28553 2463 13 and and CC 28553 2463 14 the the DT 28553 2463 15 cochlea cochlea NN 28553 2463 16 are be VBP 28553 2463 17 ; ; : 28553 2463 18 but but CC 28553 2463 19 it -PRON- PRP 28553 2463 20 is be VBZ 28553 2463 21 probable probable JJ 28553 2463 22 that that IN 28553 2463 23 the the DT 28553 2463 24 former former JJ 28553 2463 25 enables enable VBZ 28553 2463 26 us -PRON- PRP 28553 2463 27 to to TO 28553 2463 28 distinguish distinguish VB 28553 2463 29 between between IN 28553 2463 30 the the DT 28553 2463 31 _ _ NNP 28553 2463 32 intensity intensity NN 28553 2463 33 _ _ NNP 28553 2463 34 or or CC 28553 2463 35 loudness loudness NN 28553 2463 36 of of IN 28553 2463 37 sounds sound NNS 28553 2463 38 and and CC 28553 2463 39 the the DT 28553 2463 40 direction direction NN 28553 2463 41 from from IN 28553 2463 42 which which WDT 28553 2463 43 they -PRON- PRP 28553 2463 44 come come VBP 28553 2463 45 , , , 28553 2463 46 while while IN 28553 2463 47 the the DT 28553 2463 48 latter latter JJ 28553 2463 49 enables enable VBZ 28553 2463 50 us -PRON- PRP 28553 2463 51 to to TO 28553 2463 52 determine determine VB 28553 2463 53 the the DT 28553 2463 54 _ _ NNP 28553 2463 55 pitch pitch NN 28553 2463 56 _ _ NNP 28553 2463 57 of of IN 28553 2463 58 a a DT 28553 2463 59 note note NN 28553 2463 60 . . . 28553 2464 1 In in IN 28553 2464 2 the the DT 28553 2464 3 cochlea cochlea NN 28553 2464 4 are be VBP 28553 2464 5 about about RB 28553 2464 6 2,800 2,800 CD 28553 2464 7 tiny tiny JJ 28553 2464 8 nerve nerve NN 28553 2464 9 - - HYPH 28553 2464 10 ends end NNS 28553 2464 11 , , , 28553 2464 12 called call VBD 28553 2464 13 the the DT 28553 2464 14 _ _ NNP 28553 2464 15 rods rod NNS 28553 2464 16 of of IN 28553 2464 17 Corti Corti NNP 28553 2464 18 _ _ NNP 28553 2464 19 . . . 28553 2465 1 The the DT 28553 2465 2 normal normal JJ 28553 2465 3 ear ear NN 28553 2465 4 has have VBZ 28553 2465 5 such such PDT 28553 2465 6 a a DT 28553 2465 7 range range NN 28553 2465 8 as as IN 28553 2465 9 to to TO 28553 2465 10 give give VB 28553 2465 11 about about IN 28553 2465 12 33 33 CD 28553 2465 13 rods rod NNS 28553 2465 14 to to IN 28553 2465 15 the the DT 28553 2465 16 semitone semitone NN 28553 2465 17 . . . 28553 2466 1 The the DT 28553 2466 2 great great JJ 28553 2466 3 scientist scientist NN 28553 2466 4 Helmholtz Helmholtz NNP 28553 2466 5 has have VBZ 28553 2466 6 advanced advance VBN 28553 2466 7 the the DT 28553 2466 8 theory theory NN 28553 2466 9 that that IN 28553 2466 10 these these DT 28553 2466 11 little little JJ 28553 2466 12 rods rod NNS 28553 2466 13 are be VBP 28553 2466 14 like like IN 28553 2466 15 tiny tiny JJ 28553 2466 16 tuning tuning NN 28553 2466 17 - - HYPH 28553 2466 18 forks fork NNS 28553 2466 19 , , , 28553 2466 20 each each DT 28553 2466 21 responding respond VBG 28553 2466 22 to to IN 28553 2466 23 a a DT 28553 2466 24 note note NN 28553 2466 25 of of IN 28553 2466 26 a a DT 28553 2466 27 certain certain JJ 28553 2466 28 pitch pitch NN 28553 2466 29 ; ; : 28553 2466 30 so so IN 28553 2466 31 that that IN 28553 2466 32 when when WRB 28553 2466 33 a a DT 28553 2466 34 string string NN 28553 2466 35 of of IN 28553 2466 36 a a DT 28553 2466 37 piano piano NN 28553 2466 38 is be VBZ 28553 2466 39 sounded sound VBN 28553 2466 40 and and CC 28553 2466 41 the the DT 28553 2466 42 air air NN 28553 2466 43 vibrations vibration NNS 28553 2466 44 are be VBP 28553 2466 45 transmitted transmit VBN 28553 2466 46 to to IN 28553 2466 47 the the DT 28553 2466 48 inner inner JJ 28553 2466 49 ear ear NN 28553 2466 50 , , , 28553 2466 51 they -PRON- PRP 28553 2466 52 affect affect VBP 28553 2466 53 only only RB 28553 2466 54 one one CD 28553 2466 55 of of IN 28553 2466 56 these these DT 28553 2466 57 rods rod NNS 28553 2466 58 and and CC 28553 2466 59 the the DT 28553 2466 60 part part NN 28553 2466 61 of of IN 28553 2466 62 the the DT 28553 2466 63 brain brain NN 28553 2466 64 which which WDT 28553 2466 65 it -PRON- PRP 28553 2466 66 serves serve VBZ 28553 2466 67 , , , 28553 2466 68 and and CC 28553 2466 69 we -PRON- PRP 28553 2466 70 have have VBP 28553 2466 71 the the DT 28553 2466 72 impression impression NN 28553 2466 73 of of IN 28553 2466 74 one one CD 28553 2466 75 particular particular JJ 28553 2466 76 note note NN 28553 2466 77 . . . 28553 2467 1 It -PRON- PRP 28553 2467 2 has have VBZ 28553 2467 3 been be VBN 28553 2467 4 proved prove VBN 28553 2467 5 by by IN 28553 2467 6 experiment experiment NN 28553 2467 7 that that IN 28553 2467 8 a a DT 28553 2467 9 very very RB 28553 2467 10 sensitive sensitive JJ 28553 2467 11 ear ear NN 28553 2467 12 can can MD 28553 2467 13 distinguish distinguish VB 28553 2467 14 between between IN 28553 2467 15 sounds sound NNS 28553 2467 16 varying vary VBG 28553 2467 17 in in IN 28553 2467 18 pitch pitch NN 28553 2467 19 by by IN 28553 2467 20 only only RB 28553 2467 21 1/64th 1/64th CD 28553 2467 22 of of IN 28553 2467 23 a a DT 28553 2467 24 semitone semitone NN 28553 2467 25 , , , 28553 2467 26 or or CC 28553 2467 27 but but CC 28553 2467 28 half half PDT 28553 2467 29 the the DT 28553 2467 30 range range NN 28553 2467 31 of of IN 28553 2467 32 any any DT 28553 2467 33 one one CD 28553 2467 34 Corti Corti NNP 28553 2467 35 fibre fibre NN 28553 2467 36 . . . 28553 2468 1 This this DT 28553 2468 2 difficulty difficulty NN 28553 2468 3 Helmholtz Helmholtz NNP 28553 2468 4 gets get VBZ 28553 2468 5 over over RP 28553 2468 6 by by IN 28553 2468 7 suggesting suggest VBG 28553 2468 8 that that IN 28553 2468 9 in in IN 28553 2468 10 such such PDT 28553 2468 11 an an DT 28553 2468 12 ear ear NN 28553 2468 13 two two CD 28553 2468 14 adjacent adjacent JJ 28553 2468 15 fibres fibre NNS 28553 2468 16 are be VBP 28553 2468 17 affected affect VBN 28553 2468 18 , , , 28553 2468 19 but but CC 28553 2468 20 one one CD 28553 2468 21 more more JJR 28553 2468 22 than than IN 28553 2468 23 the the DT 28553 2468 24 other other JJ 28553 2468 25 . . . 28553 2469 1 A a DT 28553 2469 2 person person NN 28553 2469 3 who who WP 28553 2469 4 has have VBZ 28553 2469 5 a a DT 28553 2469 6 " " `` 28553 2469 7 good good JJ 28553 2469 8 ear ear NN 28553 2469 9 " " '' 28553 2469 10 for for IN 28553 2469 11 music music NN 28553 2469 12 is be VBZ 28553 2469 13 presumably presumably RB 28553 2469 14 one one CD 28553 2469 15 whose whose WP$ 28553 2469 16 Corti Corti NNP 28553 2469 17 rods rod NNS 28553 2469 18 are be VBP 28553 2469 19 very very RB 28553 2469 20 perfect perfect JJ 28553 2469 21 . . . 28553 2470 1 Unlucky unlucky JJ 28553 2470 2 people people NNS 28553 2470 3 like like IN 28553 2470 4 the the DT 28553 2470 5 gentleman gentleman NN 28553 2470 6 who who WP 28553 2470 7 could could MD 28553 2470 8 only only RB 28553 2470 9 recognize recognize VB 28553 2470 10 one one CD 28553 2470 11 tune tune NN 28553 2470 12 , , , 28553 2470 13 and and CC 28553 2470 14 that that IN 28553 2470 15 because because IN 28553 2470 16 people people NNS 28553 2470 17 took take VBD 28553 2470 18 off off RP 28553 2470 19 their -PRON- PRP$ 28553 2470 20 hats hat NNS 28553 2470 21 when when WRB 28553 2470 22 it -PRON- PRP 28553 2470 23 commenced commence VBD 28553 2470 24 , , , 28553 2470 25 are be VBP 28553 2470 26 physically physically RB 28553 2470 27 deficient deficient JJ 28553 2470 28 . . . 28553 2471 1 Their -PRON- PRP$ 28553 2471 2 Corti Corti NNP 28553 2471 3 rods rod NNS 28553 2471 4 can can MD 28553 2471 5 not not RB 28553 2471 6 be be VB 28553 2471 7 properly properly RB 28553 2471 8 developed develop VBN 28553 2471 9 . . . 28553 2472 1 What what WP 28553 2472 2 applies apply VBZ 28553 2472 3 to to IN 28553 2472 4 one one CD 28553 2472 5 single single JJ 28553 2472 6 note note NN 28553 2472 7 applies apply VBZ 28553 2472 8 also also RB 28553 2472 9 to to IN 28553 2472 10 the the DT 28553 2472 11 elements element NNS 28553 2472 12 of of IN 28553 2472 13 a a DT 28553 2472 14 musical musical JJ 28553 2472 15 chord chord NN 28553 2472 16 . . . 28553 2473 1 A a DT 28553 2473 2 dozen dozen NN 28553 2473 3 notes note NNS 28553 2473 4 may may MD 28553 2473 5 sound sound VB 28553 2473 6 simultaneously simultaneously RB 28553 2473 7 , , , 28553 2473 8 but but CC 28553 2473 9 the the DT 28553 2473 10 ear ear NN 28553 2473 11 is be VBZ 28553 2473 12 able able JJ 28553 2473 13 to to TO 28553 2473 14 assimilate assimilate VB 28553 2473 15 each each DT 28553 2473 16 and and CC 28553 2473 17 blend blend VB 28553 2473 18 it -PRON- PRP 28553 2473 19 with with IN 28553 2473 20 its -PRON- PRP$ 28553 2473 21 fellows fellow NNS 28553 2473 22 ; ; : 28553 2473 23 yet yet CC 28553 2473 24 it -PRON- PRP 28553 2473 25 requires require VBZ 28553 2473 26 a a DT 28553 2473 27 very very RB 28553 2473 28 sensitive sensitive JJ 28553 2473 29 and and CC 28553 2473 30 well well RB 28553 2473 31 - - HYPH 28553 2473 32 trained train VBN 28553 2473 33 ear ear NN 28553 2473 34 to to TO 28553 2473 35 pick pick VB 28553 2473 36 out out RP 28553 2473 37 any any DT 28553 2473 38 one one CD 28553 2473 39 part part NN 28553 2473 40 of of IN 28553 2473 41 a a DT 28553 2473 42 harmony harmony NN 28553 2473 43 and and CC 28553 2473 44 concentrate concentrate VB 28553 2473 45 the the DT 28553 2473 46 brain brain NN 28553 2473 47 's 's POS 28553 2473 48 attention attention NN 28553 2473 49 on on IN 28553 2473 50 that that DT 28553 2473 51 part part NN 28553 2473 52 . . . 28553 2474 1 The the DT 28553 2474 2 ear ear NN 28553 2474 3 has have VBZ 28553 2474 4 a a DT 28553 2474 5 much much RB 28553 2474 6 larger large JJR 28553 2474 7 range range NN 28553 2474 8 than than IN 28553 2474 9 the the DT 28553 2474 10 eye eye NN 28553 2474 11 . . . 28553 2475 1 " " `` 28553 2475 2 While while IN 28553 2475 3 the the DT 28553 2475 4 former former JJ 28553 2475 5 ranges range NNS 28553 2475 6 over over IN 28553 2475 7 eleven eleven CD 28553 2475 8 octaves octave NNS 28553 2475 9 , , , 28553 2475 10 but but CC 28553 2475 11 little little JJ 28553 2475 12 more more JJR 28553 2475 13 than than IN 28553 2475 14 a a DT 28553 2475 15 single single JJ 28553 2475 16 octave octave NN 28553 2475 17 is be VBZ 28553 2475 18 possible possible JJ 28553 2475 19 to to IN 28553 2475 20 the the DT 28553 2475 21 latter latter JJ 28553 2475 22 . . . 28553 2476 1 The the DT 28553 2476 2 quickest quick JJS 28553 2476 3 vibrations vibration NNS 28553 2476 4 which which WDT 28553 2476 5 strike strike VBP 28553 2476 6 the the DT 28553 2476 7 eye eye NN 28553 2476 8 , , , 28553 2476 9 as as IN 28553 2476 10 light light NN 28553 2476 11 , , , 28553 2476 12 have have VBP 28553 2476 13 only only RB 28553 2476 14 about about RB 28553 2476 15 twice twice PDT 28553 2476 16 the the DT 28553 2476 17 rapidity rapidity NN 28553 2476 18 of of IN 28553 2476 19 the the DT 28553 2476 20 slowest slow JJS 28553 2476 21 ; ; : 28553 2476 22 whereas whereas IN 28553 2476 23 the the DT 28553 2476 24 quickest quick JJS 28553 2476 25 vibrations vibration NNS 28553 2476 26 which which WDT 28553 2476 27 strike strike VBP 28553 2476 28 the the DT 28553 2476 29 ear ear NN 28553 2476 30 , , , 28553 2476 31 as as IN 28553 2476 32 a a DT 28553 2476 33 musical musical JJ 28553 2476 34 sound sound NN 28553 2476 35 , , , 28553 2476 36 have have VBP 28553 2476 37 more more JJR 28553 2476 38 than than IN 28553 2476 39 two two CD 28553 2476 40 thousand thousand CD 28553 2476 41 times time NNS 28553 2476 42 the the DT 28553 2476 43 rapidity rapidity NN 28553 2476 44 of of IN 28553 2476 45 the the DT 28553 2476 46 slowest slow JJS 28553 2476 47 . . . 28553 2477 1 " " `` 28553 2477 2 [ [ -LRB- 28553 2477 3 26 26 CD 28553 2477 4 ] ] -RRB- 28553 2477 5 To to TO 28553 2477 6 come come VB 28553 2477 7 to to IN 28553 2477 8 actual actual JJ 28553 2477 9 figures figure NNS 28553 2477 10 , , , 28553 2477 11 the the DT 28553 2477 12 ordinary ordinary JJ 28553 2477 13 ear ear NN 28553 2477 14 is be VBZ 28553 2477 15 sensitive sensitive JJ 28553 2477 16 to to IN 28553 2477 17 vibrations vibration NNS 28553 2477 18 ranging range VBG 28553 2477 19 from from IN 28553 2477 20 16 16 CD 28553 2477 21 to to TO 28553 2477 22 38,000 38,000 CD 28553 2477 23 per per IN 28553 2477 24 second second NN 28553 2477 25 . . . 28553 2478 1 The the DT 28553 2478 2 bottom bottom JJ 28553 2478 3 and and CC 28553 2478 4 top top JJ 28553 2478 5 notes note NNS 28553 2478 6 of of IN 28553 2478 7 a a DT 28553 2478 8 piano piano NN 28553 2478 9 make make VBP 28553 2478 10 respectively respectively RB 28553 2478 11 about about RB 28553 2478 12 40 40 CD 28553 2478 13 and and CC 28553 2478 14 4,000 4,000 CD 28553 2478 15 vibrations vibration NNS 28553 2478 16 a a DT 28553 2478 17 second second NN 28553 2478 18 . . . 28553 2479 1 Of of RB 28553 2479 2 course course RB 28553 2479 3 , , , 28553 2479 4 some some DT 28553 2479 5 ears ear NNS 28553 2479 6 , , , 28553 2479 7 like like IN 28553 2479 8 some some DT 28553 2479 9 eyes eye NNS 28553 2479 10 , , , 28553 2479 11 can can MD 28553 2479 12 not not RB 28553 2479 13 comprehend comprehend VB 28553 2479 14 the the DT 28553 2479 15 whole whole JJ 28553 2479 16 scale scale NN 28553 2479 17 . . . 28553 2480 1 The the DT 28553 2480 2 squeak squeak NN 28553 2480 3 of of IN 28553 2480 4 bats bat NNS 28553 2480 5 and and CC 28553 2480 6 the the DT 28553 2480 7 chirrup chirrup NN 28553 2480 8 of of IN 28553 2480 9 crickets cricket NNS 28553 2480 10 are be VBP 28553 2480 11 inaudible inaudible JJ 28553 2480 12 to to IN 28553 2480 13 some some DT 28553 2480 14 people people NNS 28553 2480 15 ; ; : 28553 2480 16 and and CC 28553 2480 17 dogs dog NNS 28553 2480 18 are be VBP 28553 2480 19 able able JJ 28553 2480 20 to to TO 28553 2480 21 hear hear VB 28553 2480 22 sounds sound VBZ 28553 2480 23 far far RB 28553 2480 24 too too RB 28553 2480 25 shrill shrill JJ 28553 2480 26 to to TO 28553 2480 27 affect affect VB 28553 2480 28 the the DT 28553 2480 29 human human JJ 28553 2480 30 auditory auditory JJ 28553 2480 31 apparatus apparatus NN 28553 2480 32 . . . 28553 2481 1 Not not RB 28553 2481 2 the the DT 28553 2481 3 least least RBS 28553 2481 4 interesting interesting JJ 28553 2481 5 part part NN 28553 2481 6 of of IN 28553 2481 7 this this DT 28553 2481 8 wonderful wonderful JJ 28553 2481 9 organ organ NN 28553 2481 10 is be VBZ 28553 2481 11 the the DT 28553 2481 12 tympanic tympanic JJ 28553 2481 13 membrane membrane NN 28553 2481 14 , , , 28553 2481 15 which which WDT 28553 2481 16 is be VBZ 28553 2481 17 provided provide VBN 28553 2481 18 with with IN 28553 2481 19 muscles muscle NNS 28553 2481 20 for for IN 28553 2481 21 altering alter VBG 28553 2481 22 its -PRON- PRP$ 28553 2481 23 tension tension NN 28553 2481 24 automatically automatically RB 28553 2481 25 . . . 28553 2482 1 If if IN 28553 2482 2 we -PRON- PRP 28553 2482 3 are be VBP 28553 2482 4 " " `` 28553 2482 5 straining strain VBG 28553 2482 6 our -PRON- PRP$ 28553 2482 7 ears ear NNS 28553 2482 8 " " '' 28553 2482 9 to to TO 28553 2482 10 catch catch VB 28553 2482 11 a a DT 28553 2482 12 shrill shrill JJ 28553 2482 13 sound sound NN 28553 2482 14 , , , 28553 2482 15 we -PRON- PRP 28553 2482 16 tighten tighten VBP 28553 2482 17 the the DT 28553 2482 18 membrane membrane NN 28553 2482 19 ; ; : 28553 2482 20 while while IN 28553 2482 21 if if IN 28553 2482 22 we -PRON- PRP 28553 2482 23 are be VBP 28553 2482 24 " " `` 28553 2482 25 getting get VBG 28553 2482 26 ready ready JJ 28553 2482 27 " " '' 28553 2482 28 for for IN 28553 2482 29 a a DT 28553 2482 30 deep deep JJ 28553 2482 31 , , , 28553 2482 32 loud loud JJ 28553 2482 33 report report NN 28553 2482 34 like like IN 28553 2482 35 that that DT 28553 2482 36 of of IN 28553 2482 37 a a DT 28553 2482 38 gun gun NN 28553 2482 39 , , , 28553 2482 40 we -PRON- PRP 28553 2482 41 allow allow VBP 28553 2482 42 the the DT 28553 2482 43 drum drum NN 28553 2482 44 to to TO 28553 2482 45 slacken slacken VB 28553 2482 46 . . . 28553 2483 1 The the DT 28553 2483 2 _ _ NNP 28553 2483 3 Eustachian eustachian JJ 28553 2483 4 tube tube NN 28553 2483 5 _ _ NNP 28553 2483 6 ( ( -LRB- 28553 2483 7 Fig Fig NNP 28553 2483 8 . . . 28553 2484 1 134 134 LS 28553 2484 2 ) ) -RRB- 28553 2484 3 communicates communicate VBZ 28553 2484 4 with with IN 28553 2484 5 the the DT 28553 2484 6 mouth mouth NN 28553 2484 7 . . . 28553 2485 1 Its -PRON- PRP$ 28553 2485 2 function function NN 28553 2485 3 is be VBZ 28553 2485 4 probably probably RB 28553 2485 5 to to TO 28553 2485 6 keep keep VB 28553 2485 7 the the DT 28553 2485 8 air air NN 28553 2485 9 - - HYPH 28553 2485 10 pressure pressure NN 28553 2485 11 equal equal JJ 28553 2485 12 on on IN 28553 2485 13 both both DT 28553 2485 14 sides side NNS 28553 2485 15 of of IN 28553 2485 16 the the DT 28553 2485 17 drum drum NN 28553 2485 18 . . . 28553 2486 1 When when WRB 28553 2486 2 one one PRP 28553 2486 3 catches catch VBZ 28553 2486 4 cold cold VBP 28553 2486 5 the the DT 28553 2486 6 tube tube NN 28553 2486 7 is be VBZ 28553 2486 8 apt apt JJ 28553 2486 9 to to TO 28553 2486 10 become become VB 28553 2486 11 blocked block VBN 28553 2486 12 by by IN 28553 2486 13 mucus mucus NN 28553 2486 14 , , , 28553 2486 15 causing cause VBG 28553 2486 16 unequal unequal JJ 28553 2486 17 pressure pressure NN 28553 2486 18 and and CC 28553 2486 19 consequent consequent JJ 28553 2486 20 partial partial JJ 28553 2486 21 deafness deafness NN 28553 2486 22 . . . 28553 2487 1 Before before IN 28553 2487 2 leaving leave VBG 28553 2487 3 this this DT 28553 2487 4 subject subject NN 28553 2487 5 , , , 28553 2487 6 it -PRON- PRP 28553 2487 7 will will MD 28553 2487 8 be be VB 28553 2487 9 well well JJ 28553 2487 10 to to TO 28553 2487 11 remind remind VB 28553 2487 12 our -PRON- PRP$ 28553 2487 13 more more RBR 28553 2487 14 youthful youthful JJ 28553 2487 15 readers reader NNS 28553 2487 16 that that IN 28553 2487 17 the the DT 28553 2487 18 ear ear NN 28553 2487 19 is be VBZ 28553 2487 20 delicately delicately RB 28553 2487 21 as as RB 28553 2487 22 well well RB 28553 2487 23 as as IN 28553 2487 24 wonderfully wonderfully RB 28553 2487 25 made make VBN 28553 2487 26 , , , 28553 2487 27 and and CC 28553 2487 28 must must MD 28553 2487 29 be be VB 28553 2487 30 treated treat VBN 28553 2487 31 with with IN 28553 2487 32 respect respect NN 28553 2487 33 . . . 28553 2488 1 Sudden sudden JJ 28553 2488 2 shouting shout VBG 28553 2488 3 into into IN 28553 2488 4 the the DT 28553 2488 5 ear ear NN 28553 2488 6 , , , 28553 2488 7 or or CC 28553 2488 8 a a DT 28553 2488 9 playful playful JJ 28553 2488 10 blow blow NN 28553 2488 11 , , , 28553 2488 12 may may MD 28553 2488 13 have have VB 28553 2488 14 most most RBS 28553 2488 15 serious serious JJ 28553 2488 16 effects effect NNS 28553 2488 17 , , , 28553 2488 18 by by IN 28553 2488 19 bursting burst VBG 28553 2488 20 the the DT 28553 2488 21 tympanum tympanum NN 28553 2488 22 or or CC 28553 2488 23 injuring injure VBG 28553 2488 24 the the DT 28553 2488 25 arrangement arrangement NN 28553 2488 26 of of IN 28553 2488 27 the the DT 28553 2488 28 tiny tiny JJ 28553 2488 29 bones bone NNS 28553 2488 30 putting put VBG 28553 2488 31 it -PRON- PRP 28553 2488 32 in in IN 28553 2488 33 communication communication NN 28553 2488 34 with with IN 28553 2488 35 the the DT 28553 2488 36 inner inner JJ 28553 2488 37 ear ear NN 28553 2488 38 . . . 28553 2489 1 MUSICAL MUSICAL NNP 28553 2489 2 INSTRUMENTS instrument NNS 28553 2489 3 . . . 28553 2490 1 These these DT 28553 2490 2 are be VBP 28553 2490 3 contrivances contrivance NNS 28553 2490 4 for for IN 28553 2490 5 producing produce VBG 28553 2490 6 sonorous sonorous JJ 28553 2490 7 shocks shock NNS 28553 2490 8 following follow VBG 28553 2490 9 each each DT 28553 2490 10 other other JJ 28553 2490 11 rapidly rapidly RB 28553 2490 12 at at IN 28553 2490 13 regular regular JJ 28553 2490 14 intervals interval NNS 28553 2490 15 . . . 28553 2491 1 Musical musical JJ 28553 2491 2 sounds sound NNS 28553 2491 3 are be VBP 28553 2491 4 distinguished distinguish VBN 28553 2491 5 from from IN 28553 2491 6 mere mere JJ 28553 2491 7 noises noise NNS 28553 2491 8 by by IN 28553 2491 9 their -PRON- PRP$ 28553 2491 10 regularity regularity NN 28553 2491 11 . . . 28553 2492 1 If if IN 28553 2492 2 we -PRON- PRP 28553 2492 3 shake shake VBP 28553 2492 4 a a DT 28553 2492 5 number number NN 28553 2492 6 of of IN 28553 2492 7 nails nail NNS 28553 2492 8 in in IN 28553 2492 9 a a DT 28553 2492 10 tin tin NN 28553 2492 11 box box NN 28553 2492 12 , , , 28553 2492 13 we -PRON- PRP 28553 2492 14 get get VBP 28553 2492 15 only only RB 28553 2492 16 a a DT 28553 2492 17 series series NN 28553 2492 18 of of IN 28553 2492 19 superimposed superimposed JJ 28553 2492 20 and and CC 28553 2492 21 chaotic chaotic JJ 28553 2492 22 sensations sensation NNS 28553 2492 23 . . . 28553 2493 1 On on IN 28553 2493 2 the the DT 28553 2493 3 other other JJ 28553 2493 4 hand hand NN 28553 2493 5 , , , 28553 2493 6 if if IN 28553 2493 7 we -PRON- PRP 28553 2493 8 strike strike VBP 28553 2493 9 a a DT 28553 2493 10 tuning tuning NN 28553 2493 11 - - HYPH 28553 2493 12 fork fork NN 28553 2493 13 , , , 28553 2493 14 the the DT 28553 2493 15 air air NN 28553 2493 16 is be VBZ 28553 2493 17 agitated agitate VBN 28553 2493 18 a a DT 28553 2493 19 certain certain JJ 28553 2493 20 number number NN 28553 2493 21 of of IN 28553 2493 22 times time NNS 28553 2493 23 a a DT 28553 2493 24 second second JJ 28553 2493 25 , , , 28553 2493 26 with with IN 28553 2493 27 a a DT 28553 2493 28 pleasant pleasant JJ 28553 2493 29 result result NN 28553 2493 30 which which WDT 28553 2493 31 we -PRON- PRP 28553 2493 32 call call VBP 28553 2493 33 a a DT 28553 2493 34 note note NN 28553 2493 35 . . . 28553 2494 1 We -PRON- PRP 28553 2494 2 will will MD 28553 2494 3 begin begin VB 28553 2494 4 our -PRON- PRP$ 28553 2494 5 excursion excursion NN 28553 2494 6 into into IN 28553 2494 7 the the DT 28553 2494 8 region region NN 28553 2494 9 of of IN 28553 2494 10 musical musical JJ 28553 2494 11 instruments instrument NNS 28553 2494 12 with with IN 28553 2494 13 an an DT 28553 2494 14 examination examination NN 28553 2494 15 of of IN 28553 2494 16 that that DT 28553 2494 17 very very RB 28553 2494 18 familiar familiar JJ 28553 2494 19 piece piece NN 28553 2494 20 of of IN 28553 2494 21 furniture furniture NN 28553 2494 22 , , , 28553 2494 23 THE the DT 28553 2494 24 PIANOFORTE PIANOFORTE NNP 28553 2494 25 , , , 28553 2494 26 which which WDT 28553 2494 27 means mean VBZ 28553 2494 28 literally literally RB 28553 2494 29 the the DT 28553 2494 30 " " `` 28553 2494 31 soft soft JJ 28553 2494 32 - - HYPH 28553 2494 33 strong strong JJ 28553 2494 34 . . . 28553 2494 35 " " '' 28553 2495 1 By by IN 28553 2495 2 many many JJ 28553 2495 3 children child NNS 28553 2495 4 the the DT 28553 2495 5 piano piano NN 28553 2495 6 is be VBZ 28553 2495 7 regarded regard VBN 28553 2495 8 as as IN 28553 2495 9 a a DT 28553 2495 10 great great JJ 28553 2495 11 nuisance nuisance NN 28553 2495 12 , , , 28553 2495 13 the the DT 28553 2495 14 swallower swallower NN 28553 2495 15 - - HYPH 28553 2495 16 up up NN 28553 2495 17 of of IN 28553 2495 18 time time NN 28553 2495 19 which which WDT 28553 2495 20 could could MD 28553 2495 21 be be VB 28553 2495 22 much much RB 28553 2495 23 more more RBR 28553 2495 24 agreeably agreeably RB 28553 2495 25 occupied occupied JJ 28553 2495 26 , , , 28553 2495 27 and and CC 28553 2495 28 is be VBZ 28553 2495 29 accordingly accordingly RB 28553 2495 30 shown show VBN 28553 2495 31 much much RB 28553 2495 32 less less JJR 28553 2495 33 respect respect NN 28553 2495 34 than than IN 28553 2495 35 is be VBZ 28553 2495 36 given give VBN 28553 2495 37 to to IN 28553 2495 38 a a DT 28553 2495 39 phonograph phonograph NN 28553 2495 40 or or CC 28553 2495 41 a a DT 28553 2495 42 musical musical JJ 28553 2495 43 - - HYPH 28553 2495 44 box box NN 28553 2495 45 . . . 28553 2496 1 Yet yet CC 28553 2496 2 the the DT 28553 2496 3 modern modern JJ 28553 2496 4 piano piano NN 28553 2496 5 is be VBZ 28553 2496 6 a a DT 28553 2496 7 very very RB 28553 2496 8 clever clever JJ 28553 2496 9 piece piece NN 28553 2496 10 of of IN 28553 2496 11 work work NN 28553 2496 12 , , , 28553 2496 13 admirably admirably RB 28553 2496 14 adapted adapt VBN 28553 2496 15 for for IN 28553 2496 16 the the DT 28553 2496 17 production production NN 28553 2496 18 of of IN 28553 2496 19 sweet sweet JJ 28553 2496 20 melody melody NN 28553 2496 21 -- -- : 28553 2496 22 if if IN 28553 2496 23 properly properly RB 28553 2496 24 handled handle VBN 28553 2496 25 . . . 28553 2497 1 The the DT 28553 2497 2 two two CD 28553 2497 3 forms form NNS 28553 2497 4 of of IN 28553 2497 5 piano piano NN 28553 2497 6 now now RB 28553 2497 7 generally generally RB 28553 2497 8 used use VBN 28553 2497 9 are be VBP 28553 2497 10 the the DT 28553 2497 11 _ _ NNP 28553 2497 12 upright upright JJ 28553 2497 13 _ _ NNP 28553 2497 14 , , , 28553 2497 15 with with IN 28553 2497 16 vertical vertical JJ 28553 2497 17 sound sound NN 28553 2497 18 - - HYPH 28553 2497 19 board board NN 28553 2497 20 and and CC 28553 2497 21 wires wire NNS 28553 2497 22 , , , 28553 2497 23 and and CC 28553 2497 24 the the DT 28553 2497 25 _ _ NNP 28553 2497 26 grand grand NNP 28553 2497 27 _ _ NNP 28553 2497 28 , , , 28553 2497 29 with with IN 28553 2497 30 horizontal horizontal JJ 28553 2497 31 sound sound NN 28553 2497 32 - - HYPH 28553 2497 33 board board NN 28553 2497 34 . . . 28553 2498 1 [ [ -LRB- 28553 2498 2 27 27 CD 28553 2498 3 ] ] -RRB- 28553 2498 4 THE the DT 28553 2498 5 VIBRATION vibration NN 28553 2498 6 OF of IN 28553 2498 7 STRINGS STRINGS NNP 28553 2498 8 . . . 28553 2499 1 As as IN 28553 2499 2 the the DT 28553 2499 3 pianoforte pianoforte NN 28553 2499 4 is be VBZ 28553 2499 5 a a DT 28553 2499 6 stringed stringed JJ 28553 2499 7 instrument instrument NN 28553 2499 8 , , , 28553 2499 9 some some DT 28553 2499 10 attention attention NN 28553 2499 11 should should MD 28553 2499 12 be be VB 28553 2499 13 given give VBN 28553 2499 14 to to IN 28553 2499 15 the the DT 28553 2499 16 subject subject NN 28553 2499 17 of of IN 28553 2499 18 the the DT 28553 2499 19 vibration vibration NN 28553 2499 20 of of IN 28553 2499 21 strings string NNS 28553 2499 22 . . . 28553 2500 1 A a DT 28553 2500 2 string string NN 28553 2500 3 in in IN 28553 2500 4 a a DT 28553 2500 5 state state NN 28553 2500 6 of of IN 28553 2500 7 tension tension NN 28553 2500 8 emits emit VBZ 28553 2500 9 a a DT 28553 2500 10 note note NN 28553 2500 11 when when WRB 28553 2500 12 plucked pluck VBN 28553 2500 13 and and CC 28553 2500 14 allowed allow VBN 28553 2500 15 to to TO 28553 2500 16 vibrate vibrate VB 28553 2500 17 freely freely RB 28553 2500 18 . . . 28553 2501 1 The the DT 28553 2501 2 _ _ NNP 28553 2501 3 pitch pitch NN 28553 2501 4 _ _ NNP 28553 2501 5 of of IN 28553 2501 6 the the DT 28553 2501 7 note note NN 28553 2501 8 depends depend VBZ 28553 2501 9 on on IN 28553 2501 10 several several JJ 28553 2501 11 conditions:--(1 conditions:--(1 NN 28553 2501 12 ) ) -RRB- 28553 2501 13 The the DT 28553 2501 14 diameter diameter NN 28553 2501 15 of of IN 28553 2501 16 the the DT 28553 2501 17 string string NN 28553 2501 18 ; ; : 28553 2501 19 ( ( -LRB- 28553 2501 20 2 2 LS 28553 2501 21 ) ) -RRB- 28553 2501 22 the the DT 28553 2501 23 tension tension NN 28553 2501 24 of of IN 28553 2501 25 the the DT 28553 2501 26 string string NN 28553 2501 27 ; ; : 28553 2501 28 ( ( -LRB- 28553 2501 29 3 3 LS 28553 2501 30 ) ) -RRB- 28553 2501 31 the the DT 28553 2501 32 length length NN 28553 2501 33 of of IN 28553 2501 34 the the DT 28553 2501 35 string string NN 28553 2501 36 ; ; : 28553 2501 37 ( ( -LRB- 28553 2501 38 4 4 LS 28553 2501 39 ) ) -RRB- 28553 2501 40 the the DT 28553 2501 41 substance substance NN 28553 2501 42 of of IN 28553 2501 43 the the DT 28553 2501 44 string string NN 28553 2501 45 . . . 28553 2502 1 Taking take VBG 28553 2502 2 them -PRON- PRP 28553 2502 3 in in IN 28553 2502 4 order:--(1 order:--(1 NN 28553 2502 5 . . . 28553 2502 6 ) ) -RRB- 28553 2503 1 The the DT 28553 2503 2 number number NN 28553 2503 3 of of IN 28553 2503 4 vibrations vibration NNS 28553 2503 5 per per IN 28553 2503 6 second second JJ 28553 2503 7 is be VBZ 28553 2503 8 inversely inversely RB 28553 2503 9 proportional proportional JJ 28553 2503 10 to to IN 28553 2503 11 the the DT 28553 2503 12 diameter diameter NN 28553 2503 13 of of IN 28553 2503 14 the the DT 28553 2503 15 string string NN 28553 2503 16 : : : 28553 2503 17 thus thus RB 28553 2503 18 , , , 28553 2503 19 a a DT 28553 2503 20 string string NN 28553 2503 21 one one CD 28553 2503 22 - - HYPH 28553 2503 23 quarter quarter NN 28553 2503 24 of of IN 28553 2503 25 an an DT 28553 2503 26 inch inch NN 28553 2503 27 in in IN 28553 2503 28 diameter diameter NN 28553 2503 29 would would MD 28553 2503 30 vibrate vibrate VB 28553 2503 31 only only RB 28553 2503 32 half half NN 28553 2503 33 as as RB 28553 2503 34 often often RB 28553 2503 35 in in IN 28553 2503 36 a a DT 28553 2503 37 given give VBN 28553 2503 38 time time NN 28553 2503 39 as as IN 28553 2503 40 a a DT 28553 2503 41 string string NN 28553 2503 42 one one CD 28553 2503 43 - - HYPH 28553 2503 44 eighth eighth NN 28553 2503 45 of of IN 28553 2503 46 an an DT 28553 2503 47 inch inch NN 28553 2503 48 in in IN 28553 2503 49 diameter diameter NN 28553 2503 50 . . . 28553 2504 1 ( ( -LRB- 28553 2504 2 2 2 CD 28553 2504 3 . . . 28553 2504 4 ) ) -RRB- 28553 2505 1 The the DT 28553 2505 2 length length NN 28553 2505 3 remaining remain VBG 28553 2505 4 the the DT 28553 2505 5 same same JJ 28553 2505 6 , , , 28553 2505 7 the the DT 28553 2505 8 number number NN 28553 2505 9 of of IN 28553 2505 10 vibrations vibration NNS 28553 2505 11 is be VBZ 28553 2505 12 directly directly RB 28553 2505 13 proportional proportional JJ 28553 2505 14 to to IN 28553 2505 15 the the DT 28553 2505 16 _ _ NNP 28553 2505 17 square square NN 28553 2505 18 root root NN 28553 2505 19 _ _ NNP 28553 2505 20 of of IN 28553 2505 21 the the DT 28553 2505 22 _ _ NNP 28553 2505 23 tension tension NN 28553 2505 24 _ _ NNP 28553 2505 25 : : : 28553 2505 26 thus thus RB 28553 2505 27 , , , 28553 2505 28 a a DT 28553 2505 29 string string NN 28553 2505 30 strained strain VBN 28553 2505 31 by by IN 28553 2505 32 a a DT 28553 2505 33 16-lb 16-lb NNP 28553 2505 34 . . . 28553 2506 1 weight weight NN 28553 2506 2 would would MD 28553 2506 3 vibrate vibrate VB 28553 2506 4 four four CD 28553 2506 5 times time NNS 28553 2506 6 as as RB 28553 2506 7 fast fast RB 28553 2506 8 as as IN 28553 2506 9 it -PRON- PRP 28553 2506 10 would would MD 28553 2506 11 if if IN 28553 2506 12 strained strain VBN 28553 2506 13 by by IN 28553 2506 14 a a DT 28553 2506 15 1-lb 1-lb CD 28553 2506 16 . . . 28553 2507 1 weight weight NN 28553 2507 2 . . . 28553 2508 1 ( ( -LRB- 28553 2508 2 3 3 CD 28553 2508 3 . . . 28553 2508 4 ) ) -RRB- 28553 2509 1 The the DT 28553 2509 2 number number NN 28553 2509 3 of of IN 28553 2509 4 vibrations vibration NNS 28553 2509 5 is be VBZ 28553 2509 6 inversely inversely RB 28553 2509 7 proportional proportional JJ 28553 2509 8 to to IN 28553 2509 9 the the DT 28553 2509 10 _ _ NNP 28553 2509 11 length length NN 28553 2509 12 _ _ NNP 28553 2509 13 of of IN 28553 2509 14 the the DT 28553 2509 15 string string NN 28553 2509 16 : : : 28553 2509 17 thus thus RB 28553 2509 18 , , , 28553 2509 19 a a DT 28553 2509 20 one one CD 28553 2509 21 - - HYPH 28553 2509 22 foot foot NN 28553 2509 23 string string NN 28553 2509 24 would would MD 28553 2509 25 vibrate vibrate VB 28553 2509 26 twice twice RB 28553 2509 27 as as RB 28553 2509 28 fast fast JJ 28553 2509 29 as as IN 28553 2509 30 a a DT 28553 2509 31 two two CD 28553 2509 32 - - HYPH 28553 2509 33 foot foot NN 28553 2509 34 string string NN 28553 2509 35 , , , 28553 2509 36 strained strain VBN 28553 2509 37 to to IN 28553 2509 38 the the DT 28553 2509 39 same same JJ 28553 2509 40 tension tension NN 28553 2509 41 , , , 28553 2509 42 and and CC 28553 2509 43 of of IN 28553 2509 44 equal equal JJ 28553 2509 45 diameter diameter NN 28553 2509 46 and and CC 28553 2509 47 weight weight NN 28553 2509 48 . . . 28553 2510 1 ( ( -LRB- 28553 2510 2 4 4 CD 28553 2510 3 . . . 28553 2510 4 ) ) -RRB- 28553 2511 1 Other other JJ 28553 2511 2 things thing NNS 28553 2511 3 being be VBG 28553 2511 4 equal equal JJ 28553 2511 5 , , , 28553 2511 6 the the DT 28553 2511 7 rate rate NN 28553 2511 8 of of IN 28553 2511 9 vibration vibration NN 28553 2511 10 is be VBZ 28553 2511 11 inversely inversely RB 28553 2511 12 proportional proportional JJ 28553 2511 13 to to IN 28553 2511 14 the the DT 28553 2511 15 square square JJ 28553 2511 16 root root NN 28553 2511 17 of of IN 28553 2511 18 the the DT 28553 2511 19 _ _ NNP 28553 2511 20 density density NN 28553 2511 21 _ _ NNP 28553 2511 22 of of IN 28553 2511 23 the the DT 28553 2511 24 substance substance NN 28553 2511 25 : : : 28553 2511 26 so so IN 28553 2511 27 that that IN 28553 2511 28 a a DT 28553 2511 29 steel steel NN 28553 2511 30 wire wire NN 28553 2511 31 would would MD 28553 2511 32 vibrate vibrate VB 28553 2511 33 more more RBR 28553 2511 34 rapidly rapidly RB 28553 2511 35 than than IN 28553 2511 36 a a DT 28553 2511 37 platinum platinum NN 28553 2511 38 wire wire NN 28553 2511 39 of of IN 28553 2511 40 equal equal JJ 28553 2511 41 diameter diameter NN 28553 2511 42 , , , 28553 2511 43 length length NN 28553 2511 44 , , , 28553 2511 45 and and CC 28553 2511 46 tension tension NN 28553 2511 47 . . . 28553 2512 1 These these DT 28553 2512 2 facts fact NNS 28553 2512 3 are be VBP 28553 2512 4 important important JJ 28553 2512 5 to to TO 28553 2512 6 remember remember VB 28553 2512 7 as as IN 28553 2512 8 the the DT 28553 2512 9 underlying underlie VBG 28553 2512 10 principles principle NNS 28553 2512 11 of of IN 28553 2512 12 stringed stringed JJ 28553 2512 13 instruments instrument NNS 28553 2512 14 . . . 28553 2513 1 Now now RB 28553 2513 2 , , , 28553 2513 3 if if IN 28553 2513 4 you -PRON- PRP 28553 2513 5 hang hang VBP 28553 2513 6 a a DT 28553 2513 7 wire wire NN 28553 2513 8 from from IN 28553 2513 9 a a DT 28553 2513 10 cord cord NN 28553 2513 11 , , , 28553 2513 12 and and CC 28553 2513 13 hang hang VB 28553 2513 14 a a DT 28553 2513 15 heavy heavy JJ 28553 2513 16 weight weight NN 28553 2513 17 from from IN 28553 2513 18 the the DT 28553 2513 19 wire wire NN 28553 2513 20 , , , 28553 2513 21 the the DT 28553 2513 22 wire wire NN 28553 2513 23 will will MD 28553 2513 24 be be VB 28553 2513 25 in in IN 28553 2513 26 a a DT 28553 2513 27 state state NN 28553 2513 28 of of IN 28553 2513 29 high high JJ 28553 2513 30 tension tension NN 28553 2513 31 , , , 28553 2513 32 and and CC 28553 2513 33 yield yield VB 28553 2513 34 a a DT 28553 2513 35 distinct distinct JJ 28553 2513 36 note note NN 28553 2513 37 if if IN 28553 2513 38 struck strike VBN 28553 2513 39 . . . 28553 2514 1 But but CC 28553 2514 2 the the DT 28553 2514 3 volume volume NN 28553 2514 4 of of IN 28553 2514 5 sound sound NN 28553 2514 6 will will MD 28553 2514 7 be be VB 28553 2514 8 very very RB 28553 2514 9 small small JJ 28553 2514 10 , , , 28553 2514 11 much much RB 28553 2514 12 too too RB 28553 2514 13 small small JJ 28553 2514 14 for for IN 28553 2514 15 a a DT 28553 2514 16 practical practical JJ 28553 2514 17 instrument instrument NN 28553 2514 18 . . . 28553 2515 1 The the DT 28553 2515 2 surface surface NN 28553 2515 3 of of IN 28553 2515 4 the the DT 28553 2515 5 string string NN 28553 2515 6 itself -PRON- PRP 28553 2515 7 is be VBZ 28553 2515 8 so so RB 28553 2515 9 limited limited JJ 28553 2515 10 that that IN 28553 2515 11 it -PRON- PRP 28553 2515 12 sets set VBZ 28553 2515 13 up up RP 28553 2515 14 but but CC 28553 2515 15 feeble feeble JJ 28553 2515 16 motions motion NNS 28553 2515 17 in in IN 28553 2515 18 the the DT 28553 2515 19 surrounding surround VBG 28553 2515 20 air air NN 28553 2515 21 . . . 28553 2516 1 Now now RB 28553 2516 2 hang hang VB 28553 2516 3 the the DT 28553 2516 4 wire wire NN 28553 2516 5 from from IN 28553 2516 6 a a DT 28553 2516 7 large large JJ 28553 2516 8 board board NN 28553 2516 9 and and CC 28553 2516 10 strike strike VB 28553 2516 11 it -PRON- PRP 28553 2516 12 again again RB 28553 2516 13 . . . 28553 2517 1 The the DT 28553 2517 2 volume volume NN 28553 2517 3 of of IN 28553 2517 4 sound sound NN 28553 2517 5 has have VBZ 28553 2517 6 greatly greatly RB 28553 2517 7 increased increase VBN 28553 2517 8 , , , 28553 2517 9 because because IN 28553 2517 10 the the DT 28553 2517 11 string string NN 28553 2517 12 has have VBZ 28553 2517 13 transmitted transmit VBN 28553 2517 14 its -PRON- PRP$ 28553 2517 15 vibrations vibration NNS 28553 2517 16 to to IN 28553 2517 17 the the DT 28553 2517 18 large large JJ 28553 2517 19 surface surface NN 28553 2517 20 of of IN 28553 2517 21 the the DT 28553 2517 22 board board NN 28553 2517 23 . . . 28553 2518 1 To to TO 28553 2518 2 get get VB 28553 2518 3 the the DT 28553 2518 4 full full JJ 28553 2518 5 sound sound NN 28553 2518 6 - - HYPH 28553 2518 7 value value NN 28553 2518 8 of of IN 28553 2518 9 the the DT 28553 2518 10 vibrations vibration NNS 28553 2518 11 of of IN 28553 2518 12 a a DT 28553 2518 13 string string NN 28553 2518 14 , , , 28553 2518 15 we -PRON- PRP 28553 2518 16 evidently evidently RB 28553 2518 17 ought ought MD 28553 2518 18 to to TO 28553 2518 19 so so RB 28553 2518 20 mount mount VB 28553 2518 21 the the DT 28553 2518 22 string string NN 28553 2518 23 that that IN 28553 2518 24 it -PRON- PRP 28553 2518 25 may may MD 28553 2518 26 influence influence VB 28553 2518 27 a a DT 28553 2518 28 large large JJ 28553 2518 29 sounding sound VBG 28553 2518 30 surface surface NN 28553 2518 31 . . . 28553 2519 1 In in IN 28553 2519 2 a a DT 28553 2519 3 violin violin NN 28553 2519 4 this this DT 28553 2519 5 is be VBZ 28553 2519 6 effected effect VBN 28553 2519 7 by by IN 28553 2519 8 straining strain VBG 28553 2519 9 the the DT 28553 2519 10 strings string NNS 28553 2519 11 over over IN 28553 2519 12 a a DT 28553 2519 13 " " `` 28553 2519 14 bridge bridge NN 28553 2519 15 " " '' 28553 2519 16 resting rest VBG 28553 2519 17 on on IN 28553 2519 18 a a DT 28553 2519 19 hollow hollow JJ 28553 2519 20 box box NN 28553 2519 21 made make VBN 28553 2519 22 of of IN 28553 2519 23 perfectly perfectly RB 28553 2519 24 elastic elastic JJ 28553 2519 25 wood wood NN 28553 2519 26 . . . 28553 2520 1 Draw draw VB 28553 2520 2 the the DT 28553 2520 3 bow bow NN 28553 2520 4 across across IN 28553 2520 5 a a DT 28553 2520 6 string string NN 28553 2520 7 . . . 28553 2521 1 The the DT 28553 2521 2 loud loud JJ 28553 2521 3 sound sound NN 28553 2521 4 heard hear VBD 28553 2521 5 proceeds proceed NNS 28553 2521 6 not not RB 28553 2521 7 from from IN 28553 2521 8 the the DT 28553 2521 9 string string NN 28553 2521 10 only only RB 28553 2521 11 , , , 28553 2521 12 but but CC 28553 2521 13 also also RB 28553 2521 14 from from IN 28553 2521 15 the the DT 28553 2521 16 whole whole JJ 28553 2521 17 surface surface NN 28553 2521 18 of of IN 28553 2521 19 the the DT 28553 2521 20 box box NN 28553 2521 21 . . . 28553 2522 1 THE the DT 28553 2522 2 SOUNDING SOUNDING NNP 28553 2522 3 - - HYPH 28553 2522 4 BOARD BOARD NNP 28553 2522 5 AND and CC 28553 2522 6 FRAME FRAME NNP 28553 2522 7 OF of IN 28553 2522 8 A a DT 28553 2522 9 PIANO piano NN 28553 2522 10 . . . 28553 2523 1 A a DT 28553 2523 2 piano piano NN 28553 2523 3 has have VBZ 28553 2523 4 its -PRON- PRP$ 28553 2523 5 strings string NNS 28553 2523 6 strained strain VBN 28553 2523 7 across across IN 28553 2523 8 a a DT 28553 2523 9 _ _ NNP 28553 2523 10 frame frame NN 28553 2523 11 _ _ NNP 28553 2523 12 of of IN 28553 2523 13 wood wood NN 28553 2523 14 or or CC 28553 2523 15 steel steel NN 28553 2523 16 , , , 28553 2523 17 from from IN 28553 2523 18 a a DT 28553 2523 19 row row NN 28553 2523 20 of of IN 28553 2523 21 hooks hook NNS 28553 2523 22 in in IN 28553 2523 23 the the DT 28553 2523 24 top top NN 28553 2523 25 of of IN 28553 2523 26 the the DT 28553 2523 27 frame frame NN 28553 2523 28 to to IN 28553 2523 29 a a DT 28553 2523 30 row row NN 28553 2523 31 of of IN 28553 2523 32 tapering taper VBG 28553 2523 33 square square RB 28553 2523 34 - - HYPH 28553 2523 35 ended end VBN 28553 2523 36 pins pin NNS 28553 2523 37 in in IN 28553 2523 38 the the DT 28553 2523 39 bottom bottom NN 28553 2523 40 , , , 28553 2523 41 the the DT 28553 2523 42 wires wire NNS 28553 2523 43 passing pass VBG 28553 2523 44 over over IN 28553 2523 45 sharp sharp JJ 28553 2523 46 edges edge NNS 28553 2523 47 near near IN 28553 2523 48 both both DT 28553 2523 49 ends end NNS 28553 2523 50 . . . 28553 2524 1 The the DT 28553 2524 2 tuner tuner NN 28553 2524 3 is be VBZ 28553 2524 4 able able JJ 28553 2524 5 , , , 28553 2524 6 on on IN 28553 2524 7 turning turn VBG 28553 2524 8 a a DT 28553 2524 9 pin pin NN 28553 2524 10 , , , 28553 2524 11 to to TO 28553 2524 12 tension tension VB 28553 2524 13 its -PRON- PRP$ 28553 2524 14 strings string NNS 28553 2524 15 till till IN 28553 2524 16 it -PRON- PRP 28553 2524 17 gives give VBZ 28553 2524 18 any any DT 28553 2524 19 desired desire VBN 28553 2524 20 note note NN 28553 2524 21 . . . 28553 2525 1 Readers reader NNS 28553 2525 2 may may MD 28553 2525 3 be be VB 28553 2525 4 interested interested JJ 28553 2525 5 to to TO 28553 2525 6 learn learn VB 28553 2525 7 that that IN 28553 2525 8 the the DT 28553 2525 9 average average JJ 28553 2525 10 tension tension NN 28553 2525 11 of of IN 28553 2525 12 a a DT 28553 2525 13 string string NN 28553 2525 14 is be VBZ 28553 2525 15 275 275 CD 28553 2525 16 lbs lbs NN 28553 2525 17 . . . 28553 2525 18 , , , 28553 2525 19 so so IN 28553 2525 20 that that IN 28553 2525 21 the the DT 28553 2525 22 total total JJ 28553 2525 23 strain strain NN 28553 2525 24 on on IN 28553 2525 25 the the DT 28553 2525 26 frame frame NN 28553 2525 27 of of IN 28553 2525 28 a a DT 28553 2525 29 grand grand JJ 28553 2525 30 piano piano NN 28553 2525 31 is be VBZ 28553 2525 32 anything anything NN 28553 2525 33 between between IN 28553 2525 34 20 20 CD 28553 2525 35 and and CC 28553 2525 36 30 30 CD 28553 2525 37 _ _ NNP 28553 2525 38 tons ton NNS 28553 2525 39 _ _ NNP 28553 2525 40 . . . 28553 2526 1 To to IN 28553 2526 2 the the DT 28553 2526 3 back back NN 28553 2526 4 of of IN 28553 2526 5 the the DT 28553 2526 6 frame frame NN 28553 2526 7 is be VBZ 28553 2526 8 attached attach VBN 28553 2526 9 the the DT 28553 2526 10 _ _ NNP 28553 2526 11 sounding sound VBG 28553 2526 12 - - HYPH 28553 2526 13 board board NN 28553 2526 14 _ _ NNP 28553 2526 15 , , , 28553 2526 16 made make VBN 28553 2526 17 of of IN 28553 2526 18 spruce spruce NN 28553 2526 19 fir fir NN 28553 2526 20 ( ( -LRB- 28553 2526 21 the the DT 28553 2526 22 familiar familiar JJ 28553 2526 23 Christmas Christmas NNP 28553 2526 24 tree tree NN 28553 2526 25 ) ) -RRB- 28553 2526 26 . . . 28553 2527 1 This this DT 28553 2527 2 is be VBZ 28553 2527 3 obtained obtain VBN 28553 2527 4 from from IN 28553 2527 5 Central Central NNP 28553 2527 6 and and CC 28553 2527 7 Eastern Eastern NNP 28553 2527 8 Europe Europe NNP 28553 2527 9 , , , 28553 2527 10 where where WRB 28553 2527 11 it -PRON- PRP 28553 2527 12 is be VBZ 28553 2527 13 carefully carefully RB 28553 2527 14 selected select VBN 28553 2527 15 and and CC 28553 2527 16 prepared prepare VBN 28553 2527 17 , , , 28553 2527 18 as as IN 28553 2527 19 it -PRON- PRP 28553 2527 20 is be VBZ 28553 2527 21 essential essential JJ 28553 2527 22 that that IN 28553 2527 23 the the DT 28553 2527 24 timber timber NN 28553 2527 25 should should MD 28553 2527 26 be be VB 28553 2527 27 sawn saw VBN 28553 2527 28 in in IN 28553 2527 29 such such PDT 28553 2527 30 a a DT 28553 2527 31 way way NN 28553 2527 32 that that WDT 28553 2527 33 the the DT 28553 2527 34 grain grain NN 28553 2527 35 of of IN 28553 2527 36 the the DT 28553 2527 37 wood wood NN 28553 2527 38 runs run VBZ 28553 2527 39 in in IN 28553 2527 40 the the DT 28553 2527 41 proper proper JJ 28553 2527 42 direction direction NN 28553 2527 43 . . . 28553 2528 1 THE the DT 28553 2528 2 STRINGS STRINGS NNP 28553 2528 3 . . . 28553 2529 1 These these DT 28553 2529 2 are be VBP 28553 2529 3 made make VBN 28553 2529 4 of of IN 28553 2529 5 extremely extremely RB 28553 2529 6 strong strong JJ 28553 2529 7 steel steel NN 28553 2529 8 wire wire NN 28553 2529 9 of of IN 28553 2529 10 the the DT 28553 2529 11 best good JJS 28553 2529 12 quality quality NN 28553 2529 13 . . . 28553 2530 1 If if IN 28553 2530 2 you -PRON- PRP 28553 2530 3 examine examine VBP 28553 2530 4 the the DT 28553 2530 5 wires wire NNS 28553 2530 6 of of IN 28553 2530 7 your -PRON- PRP$ 28553 2530 8 piano piano NN 28553 2530 9 , , , 28553 2530 10 you -PRON- PRP 28553 2530 11 will will MD 28553 2530 12 see see VB 28553 2530 13 that that IN 28553 2530 14 they -PRON- PRP 28553 2530 15 vary vary VBP 28553 2530 16 in in IN 28553 2530 17 thickness thickness NN 28553 2530 18 , , , 28553 2530 19 the the DT 28553 2530 20 thinnest thin JJS 28553 2530 21 being be VBG 28553 2530 22 at at IN 28553 2530 23 the the DT 28553 2530 24 treble treble JJ 28553 2530 25 end end NN 28553 2530 26 of of IN 28553 2530 27 the the DT 28553 2530 28 frame frame NN 28553 2530 29 . . . 28553 2531 1 It -PRON- PRP 28553 2531 2 is be VBZ 28553 2531 3 found find VBN 28553 2531 4 impracticable impracticable JJ 28553 2531 5 to to TO 28553 2531 6 use use VB 28553 2531 7 wires wire NNS 28553 2531 8 of of IN 28553 2531 9 the the DT 28553 2531 10 same same JJ 28553 2531 11 gauge gauge NN 28553 2531 12 and and CC 28553 2531 13 the the DT 28553 2531 14 same same JJ 28553 2531 15 tension tension NN 28553 2531 16 throughout throughout IN 28553 2531 17 . . . 28553 2532 1 The the DT 28553 2532 2 makers maker NNS 28553 2532 3 therefore therefore RB 28553 2532 4 use use VBP 28553 2532 5 highly highly RB 28553 2532 6 - - HYPH 28553 2532 7 tensioned tensione VBN 28553 2532 8 thick thick JJ 28553 2532 9 wires wire NNS 28553 2532 10 for for IN 28553 2532 11 the the DT 28553 2532 12 bass bass NN 28553 2532 13 , , , 28553 2532 14 and and CC 28553 2532 15 finer finer NN 28553 2532 16 , , , 28553 2532 17 shorter short JJR 28553 2532 18 wires wire NNS 28553 2532 19 for for IN 28553 2532 20 the the DT 28553 2532 21 treble treble NN 28553 2532 22 , , , 28553 2532 23 taking take VBG 28553 2532 24 advantage advantage NN 28553 2532 25 of of IN 28553 2532 26 the the DT 28553 2532 27 three three CD 28553 2532 28 factors factor NNS 28553 2532 29 -- -- : 28553 2532 30 weight weight NN 28553 2532 31 , , , 28553 2532 32 tension tension NN 28553 2532 33 , , , 28553 2532 34 and and CC 28553 2532 35 length length NN 28553 2532 36 -- -- : 28553 2532 37 which which WDT 28553 2532 38 we -PRON- PRP 28553 2532 39 have have VBP 28553 2532 40 noticed notice VBN 28553 2532 41 above above RB 28553 2532 42 . . . 28553 2533 1 The the DT 28553 2533 2 wires wire NNS 28553 2533 3 for for IN 28553 2533 4 the the DT 28553 2533 5 deepest deep JJS 28553 2533 6 notes note NNS 28553 2533 7 are be VBP 28553 2533 8 wrapped wrap VBN 28553 2533 9 round round RB 28553 2533 10 with with IN 28553 2533 11 fine fine JJ 28553 2533 12 copper copper NN 28553 2533 13 wire wire NN 28553 2533 14 to to TO 28553 2533 15 add add VB 28553 2533 16 to to IN 28553 2533 17 their -PRON- PRP$ 28553 2533 18 weight weight NN 28553 2533 19 without without IN 28553 2533 20 increasing increase VBG 28553 2533 21 their -PRON- PRP$ 28553 2533 22 diameter diameter NN 28553 2533 23 at at IN 28553 2533 24 the the DT 28553 2533 25 tuning tuning NN 28553 2533 26 - - HYPH 28553 2533 27 pins pin NNS 28553 2533 28 . . . 28553 2534 1 There there EX 28553 2534 2 are be VBP 28553 2534 3 about about RB 28553 2534 4 600 600 CD 28553 2534 5 yards yard NNS 28553 2534 6 ( ( -LRB- 28553 2534 7 roughly roughly RB 28553 2534 8 one one CD 28553 2534 9 - - HYPH 28553 2534 10 third third NN 28553 2534 11 of of IN 28553 2534 12 a a DT 28553 2534 13 mile mile NN 28553 2534 14 ) ) -RRB- 28553 2534 15 of of IN 28553 2534 16 wire wire NN 28553 2534 17 in in IN 28553 2534 18 a a DT 28553 2534 19 grand grand JJ 28553 2534 20 piano piano NN 28553 2534 21 . . . 28553 2535 1 THE the DT 28553 2535 2 STRIKING striking NN 28553 2535 3 MECHANISM mechanism NN 28553 2535 4 . . . 28553 2536 1 We -PRON- PRP 28553 2536 2 now now RB 28553 2536 3 pass pass VBP 28553 2536 4 to to IN 28553 2536 5 the the DT 28553 2536 6 apparatus apparatus NN 28553 2536 7 for for IN 28553 2536 8 putting put VBG 28553 2536 9 the the DT 28553 2536 10 strings string NNS 28553 2536 11 in in IN 28553 2536 12 a a DT 28553 2536 13 state state NN 28553 2536 14 of of IN 28553 2536 15 vibration vibration NN 28553 2536 16 . . . 28553 2537 1 The the DT 28553 2537 2 grand grand JJ 28553 2537 3 piano piano NN 28553 2537 4 mechanism mechanism NN 28553 2537 5 shown show VBN 28553 2537 6 in in IN 28553 2537 7 Fig Fig NNP 28553 2537 8 . . . 28553 2538 1 135 135 CD 28553 2538 2 may may MD 28553 2538 3 be be VB 28553 2538 4 taken take VBN 28553 2538 5 as as IN 28553 2538 6 typical typical JJ 28553 2538 7 of of IN 28553 2538 8 the the DT 28553 2538 9 latest late JJS 28553 2538 10 improvements improvement NNS 28553 2538 11 . . . 28553 2539 1 The the DT 28553 2539 2 essentials essential NNS 28553 2539 3 of of IN 28553 2539 4 an an DT 28553 2539 5 effective effective JJ 28553 2539 6 mechanism mechanism NN 28553 2539 7 are:--(1 are:--(1 NN 28553 2539 8 ) ) -RRB- 28553 2539 9 That that IN 28553 2539 10 the the DT 28553 2539 11 blow blow NN 28553 2539 12 delivered deliver VBN 28553 2539 13 shall shall MD 28553 2539 14 be be VB 28553 2539 15 sharp sharp JJ 28553 2539 16 and and CC 28553 2539 17 certain certain JJ 28553 2539 18 ; ; : 28553 2539 19 ( ( -LRB- 28553 2539 20 2 2 LS 28553 2539 21 ) ) -RRB- 28553 2539 22 that that IN 28553 2539 23 the the DT 28553 2539 24 string string NN 28553 2539 25 shall shall MD 28553 2539 26 be be VB 28553 2539 27 immediately immediately RB 28553 2539 28 " " `` 28553 2539 29 damped damp VBN 28553 2539 30 , , , 28553 2539 31 " " '' 28553 2539 32 or or CC 28553 2539 33 have have VB 28553 2539 34 its -PRON- PRP$ 28553 2539 35 vibration vibration NN 28553 2539 36 checked check VBN 28553 2539 37 if if IN 28553 2539 38 required require VBN 28553 2539 39 , , , 28553 2539 40 so so IN 28553 2539 41 as as IN 28553 2539 42 not not RB 28553 2539 43 to to TO 28553 2539 44 interfere interfere VB 28553 2539 45 with with IN 28553 2539 46 the the DT 28553 2539 47 succeeding succeed VBG 28553 2539 48 notes note NNS 28553 2539 49 of of IN 28553 2539 50 other other JJ 28553 2539 51 strings string NNS 28553 2539 52 ; ; : 28553 2539 53 ( ( -LRB- 28553 2539 54 3 3 LS 28553 2539 55 ) ) -RRB- 28553 2539 56 that that IN 28553 2539 57 the the DT 28553 2539 58 hammer hammer NN 28553 2539 59 shall shall MD 28553 2539 60 be be VB 28553 2539 61 able able JJ 28553 2539 62 to to TO 28553 2539 63 repeat repeat VB 28553 2539 64 the the DT 28553 2539 65 blows blow NNS 28553 2539 66 in in IN 28553 2539 67 quick quick JJ 28553 2539 68 succession succession NN 28553 2539 69 . . . 28553 2540 1 The the DT 28553 2540 2 _ _ NNP 28553 2540 3 hammer hammer NN 28553 2540 4 _ _ NNP 28553 2540 5 has have VBZ 28553 2540 6 a a DT 28553 2540 7 head head NN 28553 2540 8 of of IN 28553 2540 9 mahogany mahogany NN 28553 2540 10 covered cover VBN 28553 2540 11 with with IN 28553 2540 12 felt feel VBN 28553 2540 13 , , , 28553 2540 14 the the DT 28553 2540 15 thickness thickness NN 28553 2540 16 of of IN 28553 2540 17 which which WDT 28553 2540 18 tapers taper NNS 28553 2540 19 gradually gradually RB 28553 2540 20 and and CC 28553 2540 21 regularly regularly RB 28553 2540 22 from from IN 28553 2540 23 an an DT 28553 2540 24 inch inch NN 28553 2540 25 and and CC 28553 2540 26 a a DT 28553 2540 27 quarter quarter NN 28553 2540 28 at at IN 28553 2540 29 the the DT 28553 2540 30 bass bass NN 28553 2540 31 end end NN 28553 2540 32 to to IN 28553 2540 33 three three CD 28553 2540 34 - - HYPH 28553 2540 35 sixteenths sixteenth NNS 28553 2540 36 of of IN 28553 2540 37 an an DT 28553 2540 38 inch inch NN 28553 2540 39 at at IN 28553 2540 40 the the DT 28553 2540 41 extreme extreme JJ 28553 2540 42 treble treble JJ 28553 2540 43 notes note NNS 28553 2540 44 . . . 28553 2541 1 The the DT 28553 2541 2 entire entire JJ 28553 2541 3 eighty eighty CD 28553 2541 4 - - HYPH 28553 2541 5 five five CD 28553 2541 6 hammers hammer NNS 28553 2541 7 for for IN 28553 2541 8 the the DT 28553 2541 9 piano piano NN 28553 2541 10 are be VBP 28553 2541 11 covered cover VBN 28553 2541 12 all all RB 28553 2541 13 together together RB 28553 2541 14 in in IN 28553 2541 15 one one CD 28553 2541 16 piece piece NN 28553 2541 17 , , , 28553 2541 18 and and CC 28553 2541 19 then then RB 28553 2541 20 they -PRON- PRP 28553 2541 21 are be VBP 28553 2541 22 cut cut VBN 28553 2541 23 apart apart RB 28553 2541 24 from from IN 28553 2541 25 each each DT 28553 2541 26 other other JJ 28553 2541 27 . . . 28553 2542 1 The the DT 28553 2542 2 consistency consistency NN 28553 2542 3 of of IN 28553 2542 4 the the DT 28553 2542 5 covering covering NN 28553 2542 6 is be VBZ 28553 2542 7 very very RB 28553 2542 8 important important JJ 28553 2542 9 . . . 28553 2543 1 If if IN 28553 2543 2 too too RB 28553 2543 3 hard hard RB 28553 2543 4 , , , 28553 2543 5 it -PRON- PRP 28553 2543 6 yields yield VBZ 28553 2543 7 a a DT 28553 2543 8 harsh harsh JJ 28553 2543 9 note note NN 28553 2543 10 , , , 28553 2543 11 and and CC 28553 2543 12 must must MD 28553 2543 13 be be VB 28553 2543 14 reduced reduce VBN 28553 2543 15 to to IN 28553 2543 16 the the DT 28553 2543 17 right right JJ 28553 2543 18 degree degree NN 28553 2543 19 by by IN 28553 2543 20 pricking prick VBG 28553 2543 21 with with IN 28553 2543 22 a a DT 28553 2543 23 needle needle NN 28553 2543 24 . . . 28553 2544 1 In in IN 28553 2544 2 the the DT 28553 2544 3 diagram diagram NN 28553 2544 4 the the DT 28553 2544 5 felt felt NN 28553 2544 6 is be VBZ 28553 2544 7 indicated indicate VBN 28553 2544 8 by by IN 28553 2544 9 the the DT 28553 2544 10 dotted dotted JJ 28553 2544 11 part part NN 28553 2544 12 . . . 28553 2545 1 [ [ -LRB- 28553 2545 2 Illustration illustration NN 28553 2545 3 : : : 28553 2545 4 FIG FIG NNP 28553 2545 5 . . . 28553 2546 1 135.--The 135.--the CD 28553 2546 2 striking striking JJ 28553 2546 3 mechanism mechanism NN 28553 2546 4 of of IN 28553 2546 5 a a DT 28553 2546 6 " " `` 28553 2546 7 grand grand JJ 28553 2546 8 " " '' 28553 2546 9 piano piano NN 28553 2546 10 . . . 28553 2546 11 ] ] -RRB- 28553 2547 1 The the DT 28553 2547 2 _ _ NNP 28553 2547 3 action action NN 28553 2547 4 carriage carriage NN 28553 2547 5 _ _ NNP 28553 2547 6 which which WDT 28553 2547 7 operates operate VBZ 28553 2547 8 the the DT 28553 2547 9 hammer hammer NN 28553 2547 10 is be VBZ 28553 2547 11 somewhat somewhat RB 28553 2547 12 complicated complicated JJ 28553 2547 13 . . . 28553 2548 1 When when WRB 28553 2548 2 the the DT 28553 2548 3 key key NN 28553 2548 4 is be VBZ 28553 2548 5 depressed depressed JJ 28553 2548 6 , , , 28553 2548 7 the the DT 28553 2548 8 left left JJ 28553 2548 9 end end NN 28553 2548 10 rises rise NNS 28553 2548 11 , , , 28553 2548 12 and and CC 28553 2548 13 pushes push VBZ 28553 2548 14 up up RP 28553 2548 15 the the DT 28553 2548 16 whole whole JJ 28553 2548 17 carriage carriage NN 28553 2548 18 , , , 28553 2548 19 which which WDT 28553 2548 20 is be VBZ 28553 2548 21 pivoted pivot VBN 28553 2548 22 at at IN 28553 2548 23 one one CD 28553 2548 24 end end NN 28553 2548 25 . . . 28553 2549 1 The the DT 28553 2549 2 hammer hammer NN 28553 2549 3 shank shank NN 28553 2549 4 is be VBZ 28553 2549 5 raised raise VBN 28553 2549 6 by by IN 28553 2549 7 the the DT 28553 2549 8 jack jack NNP 28553 2549 9 B B NNP 28553 2549 10 pressing press VBG 28553 2549 11 upon upon IN 28553 2549 12 a a DT 28553 2549 13 knob knob NN 28553 2549 14 , , , 28553 2549 15 N n CD 28553 2549 16 , , , 28553 2549 17 called call VBD 28553 2549 18 the the DT 28553 2549 19 _ _ NNP 28553 2549 20 notch notch NN 28553 2549 21 _ _ NNP 28553 2549 22 , , , 28553 2549 23 attached attach VBN 28553 2549 24 to to IN 28553 2549 25 the the DT 28553 2549 26 under under JJ 28553 2549 27 side side NN 28553 2549 28 of of IN 28553 2549 29 the the DT 28553 2549 30 shank shank NN 28553 2549 31 . . . 28553 2550 1 When when WRB 28553 2550 2 the the DT 28553 2550 3 jack jack NN 28553 2550 4 has have VBZ 28553 2550 5 risen rise VBN 28553 2550 6 to to IN 28553 2550 7 a a DT 28553 2550 8 certain certain JJ 28553 2550 9 point point NN 28553 2550 10 , , , 28553 2550 11 its -PRON- PRP$ 28553 2550 12 arm arm NN 28553 2550 13 , , , 28553 2550 14 B^1 B^1 NNP 28553 2550 15 , , , 28553 2550 16 catches catch NNS 28553 2550 17 against against IN 28553 2550 18 the the DT 28553 2550 19 button button NN 28553 2550 20 C C NNP 28553 2550 21 and and CC 28553 2550 22 jerks jerk VBZ 28553 2550 23 it -PRON- PRP 28553 2550 24 from from IN 28553 2550 25 under under IN 28553 2550 26 the the DT 28553 2550 27 notch notch NN 28553 2550 28 at at IN 28553 2550 29 the the DT 28553 2550 30 very very JJ 28553 2550 31 moment moment NN 28553 2550 32 when when WRB 28553 2550 33 the the DT 28553 2550 34 hammer hammer NN 28553 2550 35 strikes strike NNS 28553 2550 36 , , , 28553 2550 37 so so IN 28553 2550 38 that that IN 28553 2550 39 it -PRON- PRP 28553 2550 40 may may MD 28553 2550 41 not not RB 28553 2550 42 be be VB 28553 2550 43 blocked block VBN 28553 2550 44 against against IN 28553 2550 45 the the DT 28553 2550 46 string string NN 28553 2550 47 . . . 28553 2551 1 As as IN 28553 2551 2 it -PRON- PRP 28553 2551 3 rebounds rebound VBZ 28553 2551 4 , , , 28553 2551 5 the the DT 28553 2551 6 hammer hammer NN 28553 2551 7 is be VBZ 28553 2551 8 caught catch VBN 28553 2551 9 on on IN 28553 2551 10 the the DT 28553 2551 11 _ _ NNP 28553 2551 12 repetition repetition NN 28553 2551 13 lever lever NN 28553 2551 14 _ _ NNP 28553 2551 15 R R NNP 28553 2551 16 , , , 28553 2551 17 which which WDT 28553 2551 18 lifts lift VBZ 28553 2551 19 it -PRON- PRP 28553 2551 20 to to TO 28553 2551 21 allow allow VB 28553 2551 22 of of IN 28553 2551 23 perfect perfect JJ 28553 2551 24 repetition repetition NN 28553 2551 25 . . . 28553 2552 1 The the DT 28553 2552 2 _ _ NNP 28553 2552 3 check check NN 28553 2552 4 _ _ NNP 28553 2552 5 catches catch VBZ 28553 2552 6 the the DT 28553 2552 7 tail tail NN 28553 2552 8 of of IN 28553 2552 9 the the DT 28553 2552 10 hammer hamm JJR 28553 2552 11 head head NN 28553 2552 12 during during IN 28553 2552 13 its -PRON- PRP$ 28553 2552 14 descent descent NN 28553 2552 15 when when WRB 28553 2552 16 the the DT 28553 2552 17 key key NN 28553 2552 18 is be VBZ 28553 2552 19 raised raise VBN 28553 2552 20 , , , 28553 2552 21 and and CC 28553 2552 22 prevents prevent VBZ 28553 2552 23 it -PRON- PRP 28553 2552 24 coming come VBG 28553 2552 25 back back RB 28553 2552 26 violently violently RB 28553 2552 27 on on IN 28553 2552 28 the the DT 28553 2552 29 carriage carriage NN 28553 2552 30 and and CC 28553 2552 31 rest rest VB 28553 2552 32 . . . 28553 2553 1 The the DT 28553 2553 2 tail tail NN 28553 2553 3 is be VBZ 28553 2553 4 curved curve VBN 28553 2553 5 so so IN 28553 2553 6 as as IN 28553 2553 7 to to TO 28553 2553 8 wedge wedge VB 28553 2553 9 against against IN 28553 2553 10 the the DT 28553 2553 11 check check NN 28553 2553 12 without without IN 28553 2553 13 jamming jam VBG 28553 2553 14 in in IN 28553 2553 15 any any DT 28553 2553 16 way way NN 28553 2553 17 . . . 28553 2554 1 The the DT 28553 2554 2 moment moment NN 28553 2554 3 the the DT 28553 2554 4 carriage carriage NN 28553 2554 5 begins begin VBZ 28553 2554 6 to to TO 28553 2554 7 rise rise VB 28553 2554 8 , , , 28553 2554 9 the the DT 28553 2554 10 rear rear JJ 28553 2554 11 end end NN 28553 2554 12 of of IN 28553 2554 13 the the DT 28553 2554 14 key key NN 28553 2554 15 lifts lift NNS 28553 2554 16 a a DT 28553 2554 17 lever lever NN 28553 2554 18 connected connect VBN 28553 2554 19 with with IN 28553 2554 20 the the DT 28553 2554 21 _ _ NNP 28553 2554 22 damper damper NN 28553 2554 23 _ _ NNP 28553 2554 24 by by IN 28553 2554 25 a a DT 28553 2554 26 vertical vertical JJ 28553 2554 27 wire wire NN 28553 2554 28 , , , 28553 2554 29 and and CC 28553 2554 30 raises raise VBZ 28553 2554 31 the the DT 28553 2554 32 damper damper NN 28553 2554 33 of of IN 28553 2554 34 the the DT 28553 2554 35 string string NN 28553 2554 36 . . . 28553 2555 1 If if IN 28553 2555 2 the the DT 28553 2555 3 key key NN 28553 2555 4 is be VBZ 28553 2555 5 held hold VBN 28553 2555 6 down down RP 28553 2555 7 , , , 28553 2555 8 the the DT 28553 2555 9 vibrations vibration NNS 28553 2555 10 continue continue VBP 28553 2555 11 for for IN 28553 2555 12 a a DT 28553 2555 13 long long JJ 28553 2555 14 time time NN 28553 2555 15 after after IN 28553 2555 16 the the DT 28553 2555 17 blow blow NN 28553 2555 18 ; ; : 28553 2555 19 but but CC 28553 2555 20 if if IN 28553 2555 21 released release VBN 28553 2555 22 at at IN 28553 2555 23 once once RB 28553 2555 24 , , , 28553 2555 25 the the DT 28553 2555 26 damper damper NN 28553 2555 27 stifles stifle VBZ 28553 2555 28 them -PRON- PRP 28553 2555 29 as as IN 28553 2555 30 the the DT 28553 2555 31 hammer hammer NN 28553 2555 32 regains regain VBZ 28553 2555 33 its -PRON- PRP$ 28553 2555 34 seat seat NN 28553 2555 35 . . . 28553 2556 1 A a DT 28553 2556 2 bar bar NN 28553 2556 3 , , , 28553 2556 4 L l NN 28553 2556 5 , , , 28553 2556 6 passing pass VBG 28553 2556 7 along along RB 28553 2556 8 under under IN 28553 2556 9 all all PDT 28553 2556 10 the the DT 28553 2556 11 _ _ NNP 28553 2556 12 damper damper NN 28553 2556 13 lifters lifter NNS 28553 2556 14 _ _ NNP 28553 2556 15 , , , 28553 2556 16 is be VBZ 28553 2556 17 raised raise VBN 28553 2556 18 by by IN 28553 2556 19 depressing depress VBG 28553 2556 20 the the DT 28553 2556 21 loud loud JJ 28553 2556 22 pedal pedal NN 28553 2556 23 . . . 28553 2557 1 The the DT 28553 2557 2 _ _ NNP 28553 2557 3 soft soft JJ 28553 2557 4 pedal pedal NN 28553 2557 5 _ _ NNP 28553 2557 6 slides slide VBZ 28553 2557 7 the the DT 28553 2557 8 whole whole JJ 28553 2557 9 keyboard keyboard NN 28553 2557 10 along along IN 28553 2557 11 such such PDT 28553 2557 12 a a DT 28553 2557 13 distance distance NN 28553 2557 14 that that IN 28553 2557 15 the the DT 28553 2557 16 hammers hammer NNS 28553 2557 17 strike strike VBP 28553 2557 18 two two CD 28553 2557 19 only only RB 28553 2557 20 out out IN 28553 2557 21 of of IN 28553 2557 22 the the DT 28553 2557 23 three three CD 28553 2557 24 strings string NNS 28553 2557 25 allotted allot VBN 28553 2557 26 to to IN 28553 2557 27 all all DT 28553 2557 28 except except IN 28553 2557 29 the the DT 28553 2557 30 bass bass NN 28553 2557 31 notes note NNS 28553 2557 32 , , , 28553 2557 33 which which WDT 28553 2557 34 have have VBP 28553 2557 35 only only RB 28553 2557 36 one one CD 28553 2557 37 string string NN 28553 2557 38 apiece apiece RB 28553 2557 39 , , , 28553 2557 40 or or CC 28553 2557 41 two two CD 28553 2557 42 , , , 28553 2557 43 according accord VBG 28553 2557 44 to to IN 28553 2557 45 their -PRON- PRP$ 28553 2557 46 depth depth NN 28553 2557 47 or or CC 28553 2557 48 length length NN 28553 2557 49 . . . 28553 2558 1 In in IN 28553 2558 2 some some DT 28553 2558 3 pianos piano NNS 28553 2558 4 the the DT 28553 2558 5 soft soft JJ 28553 2558 6 pedal pedal NN 28553 2558 7 presses press VBZ 28553 2558 8 a a DT 28553 2558 9 special special JJ 28553 2558 10 damper damper NN 28553 2558 11 against against IN 28553 2558 12 the the DT 28553 2558 13 strings string NNS 28553 2558 14 ; ; : 28553 2558 15 and and CC 28553 2558 16 a a DT 28553 2558 17 third third JJ 28553 2558 18 kind kind NN 28553 2558 19 of of IN 28553 2558 20 device device NN 28553 2558 21 moves move VBZ 28553 2558 22 the the DT 28553 2558 23 hammers hammer NNS 28553 2558 24 nearer near RBR 28553 2558 25 the the DT 28553 2558 26 strings string NNS 28553 2558 27 so so IN 28553 2558 28 that that IN 28553 2558 29 they -PRON- PRP 28553 2558 30 deliver deliver VBP 28553 2558 31 a a DT 28553 2558 32 lighter light JJR 28553 2558 33 blow blow NN 28553 2558 34 . . . 28553 2559 1 These these DT 28553 2559 2 two two CD 28553 2559 3 methods method NNS 28553 2559 4 of of IN 28553 2559 5 damping damp VBG 28553 2559 6 are be VBP 28553 2559 7 confined confine VBN 28553 2559 8 to to IN 28553 2559 9 upright upright JJ 28553 2559 10 pianos piano NNS 28553 2559 11 . . . 28553 2560 1 A a DT 28553 2560 2 high high JJ 28553 2560 3 - - HYPH 28553 2560 4 class class NN 28553 2560 5 piano piano NN 28553 2560 6 is be VBZ 28553 2560 7 the the DT 28553 2560 8 result result NN 28553 2560 9 of of IN 28553 2560 10 very very RB 28553 2560 11 careful careful JJ 28553 2560 12 workmanship workmanship NN 28553 2560 13 . . . 28553 2561 1 The the DT 28553 2561 2 mechanism mechanism NN 28553 2561 3 of of IN 28553 2561 4 each each DT 28553 2561 5 note note NN 28553 2561 6 must must MD 28553 2561 7 be be VB 28553 2561 8 accurately accurately RB 28553 2561 9 regulated regulate VBN 28553 2561 10 by by IN 28553 2561 11 its -PRON- PRP$ 28553 2561 12 tiny tiny JJ 28553 2561 13 screws screw NNS 28553 2561 14 to to IN 28553 2561 15 a a DT 28553 2561 16 minute minute JJ 28553 2561 17 fraction fraction NN 28553 2561 18 of of IN 28553 2561 19 an an DT 28553 2561 20 inch inch NN 28553 2561 21 . . . 28553 2562 1 It -PRON- PRP 28553 2562 2 must must MD 28553 2562 3 be be VB 28553 2562 4 ensured ensure VBN 28553 2562 5 that that IN 28553 2562 6 every every DT 28553 2562 7 hammer hammer NN 28553 2562 8 strikes strike VBZ 28553 2562 9 its -PRON- PRP$ 28553 2562 10 blow blow NN 28553 2562 11 at at IN 28553 2562 12 exactly exactly RB 28553 2562 13 the the DT 28553 2562 14 right right JJ 28553 2562 15 place place NN 28553 2562 16 on on IN 28553 2562 17 the the DT 28553 2562 18 string string NN 28553 2562 19 , , , 28553 2562 20 since since IN 28553 2562 21 on on IN 28553 2562 22 this this DT 28553 2562 23 depends depend VBZ 28553 2562 24 the the DT 28553 2562 25 musical musical JJ 28553 2562 26 value value NN 28553 2562 27 of of IN 28553 2562 28 the the DT 28553 2562 29 note note NN 28553 2562 30 . . . 28553 2563 1 The the DT 28553 2563 2 adjustment adjustment NN 28553 2563 3 of of IN 28553 2563 4 the the DT 28553 2563 5 dampers damper NNS 28553 2563 6 requires require VBZ 28553 2563 7 equal equal JJ 28553 2563 8 care care NN 28553 2563 9 , , , 28553 2563 10 and and CC 28553 2563 11 the the DT 28553 2563 12 whole whole JJ 28553 2563 13 work work NN 28553 2563 14 calls call VBZ 28553 2563 15 for for IN 28553 2563 16 a a DT 28553 2563 17 sensitive sensitive JJ 28553 2563 18 ear ear NN 28553 2563 19 combined combine VBN 28553 2563 20 with with IN 28553 2563 21 skilled skilled JJ 28553 2563 22 mechanical mechanical JJ 28553 2563 23 knowledge knowledge NN 28553 2563 24 , , , 28553 2563 25 so so IN 28553 2563 26 that that IN 28553 2563 27 the the DT 28553 2563 28 instrument instrument NN 28553 2563 29 may may MD 28553 2563 30 have have VB 28553 2563 31 a a DT 28553 2563 32 light light JJ 28553 2563 33 touch touch NN 28553 2563 34 , , , 28553 2563 35 strength strength NN 28553 2563 36 , , , 28553 2563 37 and and CC 28553 2563 38 certainty certainty NN 28553 2563 39 of of IN 28553 2563 40 action action NN 28553 2563 41 throughout throughout IN 28553 2563 42 the the DT 28553 2563 43 whole whole JJ 28553 2563 44 keyboard keyboard NN 28553 2563 45 . . . 28553 2564 1 THE the DT 28553 2564 2 QUALITY QUALITY NNP 28553 2564 3 OF of IN 28553 2564 4 A a DT 28553 2564 5 NOTE note NN 28553 2564 6 . . . 28553 2565 1 If if IN 28553 2565 2 two two CD 28553 2565 3 strings string NNS 28553 2565 4 , , , 28553 2565 5 alike alike RB 28553 2565 6 in in IN 28553 2565 7 all all DT 28553 2565 8 respects respect NNS 28553 2565 9 and and CC 28553 2565 10 equally equally RB 28553 2565 11 tensioned tensione VBN 28553 2565 12 , , , 28553 2565 13 are be VBP 28553 2565 14 plucked pluck VBN 28553 2565 15 , , , 28553 2565 16 both both DT 28553 2565 17 will will MD 28553 2565 18 give give VB 28553 2565 19 the the DT 28553 2565 20 same same JJ 28553 2565 21 note note NN 28553 2565 22 , , , 28553 2565 23 but but CC 28553 2565 24 both both DT 28553 2565 25 will will MD 28553 2565 26 not not RB 28553 2565 27 necessarily necessarily RB 28553 2565 28 have have VB 28553 2565 29 the the DT 28553 2565 30 same same JJ 28553 2565 31 quality quality NN 28553 2565 32 of of IN 28553 2565 33 tone tone NN 28553 2565 34 . . . 28553 2566 1 The the DT 28553 2566 2 quality quality NN 28553 2566 3 , , , 28553 2566 4 or or CC 28553 2566 5 _ _ NNP 28553 2566 6 timbre timbre NNP 28553 2566 7 _ _ NNP 28553 2566 8 , , , 28553 2566 9 as as IN 28553 2566 10 musicians musician NNS 28553 2566 11 call call VBP 28553 2566 12 it -PRON- PRP 28553 2566 13 , , , 28553 2566 14 is be VBZ 28553 2566 15 influenced influence VBN 28553 2566 16 by by IN 28553 2566 17 the the DT 28553 2566 18 presence presence NN 28553 2566 19 of of IN 28553 2566 20 _ _ NNP 28553 2566 21 overtones overtone NNS 28553 2566 22 _ _ NNP 28553 2566 23 , , , 28553 2566 24 or or CC 28553 2566 25 _ _ NNP 28553 2566 26 harmonics harmonic NNS 28553 2566 27 _ _ NNP 28553 2566 28 , , , 28553 2566 29 in in IN 28553 2566 30 combination combination NN 28553 2566 31 with with IN 28553 2566 32 the the DT 28553 2566 33 _ _ NNP 28553 2566 34 fundamental fundamental JJ 28553 2566 35 _ _ NNP 28553 2566 36 , , , 28553 2566 37 or or CC 28553 2566 38 deepest deep JJS 28553 2566 39 , , , 28553 2566 40 tone tone NN 28553 2566 41 of of IN 28553 2566 42 the the DT 28553 2566 43 string string NN 28553 2566 44 . . . 28553 2567 1 The the DT 28553 2567 2 fact fact NN 28553 2567 3 is be VBZ 28553 2567 4 , , , 28553 2567 5 that that IN 28553 2567 6 while while IN 28553 2567 7 a a DT 28553 2567 8 vibrating vibrate VBG 28553 2567 9 string string NN 28553 2567 10 vibrates vibrate VBZ 28553 2567 11 as as IN 28553 2567 12 a a DT 28553 2567 13 whole whole NN 28553 2567 14 , , , 28553 2567 15 it -PRON- PRP 28553 2567 16 also also RB 28553 2567 17 vibrates vibrate VBZ 28553 2567 18 in in IN 28553 2567 19 parts part NNS 28553 2567 20 . . . 28553 2568 1 There there EX 28553 2568 2 are be VBP 28553 2568 3 , , , 28553 2568 4 as as IN 28553 2568 5 it -PRON- PRP 28553 2568 6 were be VBD 28553 2568 7 , , , 28553 2568 8 small small JJ 28553 2568 9 waves wave NNS 28553 2568 10 superimposed superimpose VBN 28553 2568 11 on on IN 28553 2568 12 the the DT 28553 2568 13 big big JJ 28553 2568 14 fundamental fundamental JJ 28553 2568 15 waves wave NNS 28553 2568 16 . . . 28553 2569 1 Points point NNS 28553 2569 2 of of IN 28553 2569 3 least least JJS 28553 2569 4 motion motion NN 28553 2569 5 , , , 28553 2569 6 called call VBD 28553 2569 7 _ _ NNP 28553 2569 8 nodes node NNS 28553 2569 9 _ _ NNP 28553 2569 10 , , , 28553 2569 11 form form NN 28553 2569 12 on on IN 28553 2569 13 the the DT 28553 2569 14 string string NN 28553 2569 15 , , , 28553 2569 16 dividing divide VBG 28553 2569 17 it -PRON- PRP 28553 2569 18 into into IN 28553 2569 19 two two CD 28553 2569 20 , , , 28553 2569 21 three three CD 28553 2569 22 , , , 28553 2569 23 four four CD 28553 2569 24 , , , 28553 2569 25 five five CD 28553 2569 26 , , , 28553 2569 27 etc etc FW 28553 2569 28 . . FW 28553 2569 29 , , , 28553 2569 30 parts part NNS 28553 2569 31 , , , 28553 2569 32 which which WDT 28553 2569 33 may may MD 28553 2569 34 be be VB 28553 2569 35 further further RB 28553 2569 36 divided divide VBN 28553 2569 37 by by IN 28553 2569 38 subsidiary subsidiary NN 28553 2569 39 nodes node NNS 28553 2569 40 . . . 28553 2570 1 The the DT 28553 2570 2 string string NN 28553 2570 3 , , , 28553 2570 4 considered consider VBN 28553 2570 5 as as IN 28553 2570 6 halved halve VBN 28553 2570 7 by by IN 28553 2570 8 one one CD 28553 2570 9 node node NN 28553 2570 10 , , , 28553 2570 11 gives give VBZ 28553 2570 12 the the DT 28553 2570 13 first first JJ 28553 2570 14 overtone overtone NN 28553 2570 15 , , , 28553 2570 16 or or CC 28553 2570 17 octave octave NN 28553 2570 18 of of IN 28553 2570 19 the the DT 28553 2570 20 fundamental fundamental NN 28553 2570 21 . . . 28553 2571 1 It -PRON- PRP 28553 2571 2 may may MD 28553 2571 3 also also RB 28553 2571 4 vibrate vibrate VB 28553 2571 5 as as IN 28553 2571 6 three three CD 28553 2571 7 parts part NNS 28553 2571 8 , , , 28553 2571 9 and and CC 28553 2571 10 give give VB 28553 2571 11 the the DT 28553 2571 12 second second JJ 28553 2571 13 overtone overtone NN 28553 2571 14 , , , 28553 2571 15 or or CC 28553 2571 16 twelfth twelfth JJ 28553 2571 17 of of IN 28553 2571 18 the the DT 28553 2571 19 fundamental;[28 fundamental;[28 NNPS 28553 2571 20 ] ] -RRB- 28553 2571 21 and and CC 28553 2571 22 as as IN 28553 2571 23 four four CD 28553 2571 24 parts part NNS 28553 2571 25 , , , 28553 2571 26 and and CC 28553 2571 27 give give VB 28553 2571 28 the the DT 28553 2571 29 third third JJ 28553 2571 30 overtone overtone NN 28553 2571 31 , , , 28553 2571 32 the the DT 28553 2571 33 double double JJ 28553 2571 34 octave octave NN 28553 2571 35 . . . 28553 2572 1 Now now RB 28553 2572 2 , , , 28553 2572 3 if if IN 28553 2572 4 a a DT 28553 2572 5 string string NN 28553 2572 6 be be VB 28553 2572 7 struck strike VBN 28553 2572 8 at at IN 28553 2572 9 a a DT 28553 2572 10 point point NN 28553 2572 11 corresponding correspond VBG 28553 2572 12 to to IN 28553 2572 13 a a DT 28553 2572 14 node node NN 28553 2572 15 , , , 28553 2572 16 the the DT 28553 2572 17 overtones overtone NNS 28553 2572 18 which which WDT 28553 2572 19 require require VBP 28553 2572 20 that that DT 28553 2572 21 point point NN 28553 2572 22 for for IN 28553 2572 23 a a DT 28553 2572 24 node node NN 28553 2572 25 will will MD 28553 2572 26 be be VB 28553 2572 27 killed kill VBN 28553 2572 28 , , , 28553 2572 29 on on IN 28553 2572 30 account account NN 28553 2572 31 of of IN 28553 2572 32 the the DT 28553 2572 33 excessive excessive JJ 28553 2572 34 motion motion NN 28553 2572 35 imparted impart VBD 28553 2572 36 to to IN 28553 2572 37 the the DT 28553 2572 38 string string NN 28553 2572 39 at at IN 28553 2572 40 that that DT 28553 2572 41 spot spot NN 28553 2572 42 . . . 28553 2573 1 Thus thus RB 28553 2573 2 to to TO 28553 2573 3 hit hit VB 28553 2573 4 it -PRON- PRP 28553 2573 5 at at IN 28553 2573 6 the the DT 28553 2573 7 middle middle NN 28553 2573 8 kills kill VBZ 28553 2573 9 the the DT 28553 2573 10 octave octave NN 28553 2573 11 , , , 28553 2573 12 the the DT 28553 2573 13 double double JJ 28553 2573 14 octave octave NN 28553 2573 15 , , , 28553 2573 16 etc etc FW 28553 2573 17 . . . 28553 2574 1 ; ; : 28553 2574 2 while while IN 28553 2574 3 to to TO 28553 2574 4 hit hit VB 28553 2574 5 it -PRON- PRP 28553 2574 6 at at IN 28553 2574 7 a a DT 28553 2574 8 point point NN 28553 2574 9 one one CD 28553 2574 10 - - HYPH 28553 2574 11 third third NN 28553 2574 12 of of IN 28553 2574 13 the the DT 28553 2574 14 length length NN 28553 2574 15 from from IN 28553 2574 16 one one CD 28553 2574 17 end end NN 28553 2574 18 stifles stifle VBZ 28553 2574 19 the the DT 28553 2574 20 twelfth twelfth NN 28553 2574 21 and and CC 28553 2574 22 all all DT 28553 2574 23 its -PRON- PRP$ 28553 2574 24 sub sub NN 28553 2574 25 - - JJ 28553 2574 26 multiples multiple NNS 28553 2574 27 . . . 28553 2575 1 A a DT 28553 2575 2 fundamental fundamental JJ 28553 2575 3 note note NN 28553 2575 4 robbed rob VBN 28553 2575 5 of of IN 28553 2575 6 all all DT 28553 2575 7 its -PRON- PRP$ 28553 2575 8 harmonics harmonic NNS 28553 2575 9 is be VBZ 28553 2575 10 hard hard JJ 28553 2575 11 to to TO 28553 2575 12 obtain obtain VB 28553 2575 13 , , , 28553 2575 14 which which WDT 28553 2575 15 is be VBZ 28553 2575 16 not not RB 28553 2575 17 a a DT 28553 2575 18 matter matter NN 28553 2575 19 for for IN 28553 2575 20 regret regret NN 28553 2575 21 , , , 28553 2575 22 as as IN 28553 2575 23 it -PRON- PRP 28553 2575 24 is be VBZ 28553 2575 25 a a DT 28553 2575 26 most most RBS 28553 2575 27 uninteresting uninteresting JJ 28553 2575 28 sound sound NN 28553 2575 29 . . . 28553 2576 1 To to TO 28553 2576 2 get get VB 28553 2576 3 a a DT 28553 2576 4 rich rich JJ 28553 2576 5 tone tone NN 28553 2576 6 we -PRON- PRP 28553 2576 7 must must MD 28553 2576 8 keep keep VB 28553 2576 9 as as RB 28553 2576 10 many many JJ 28553 2576 11 useful useful JJ 28553 2576 12 harmonics harmonic NNS 28553 2576 13 as as IN 28553 2576 14 possible possible JJ 28553 2576 15 , , , 28553 2576 16 and and CC 28553 2576 17 therefore therefore RB 28553 2576 18 a a DT 28553 2576 19 piano piano NN 28553 2576 20 hammer hammer NN 28553 2576 21 is be VBZ 28553 2576 22 so so RB 28553 2576 23 placed place VBN 28553 2576 24 as as IN 28553 2576 25 to to TO 28553 2576 26 strike strike VB 28553 2576 27 the the DT 28553 2576 28 string string NN 28553 2576 29 at at IN 28553 2576 30 a a DT 28553 2576 31 point point NN 28553 2576 32 which which WDT 28553 2576 33 does do VBZ 28553 2576 34 not not RB 28553 2576 35 interfere interfere VB 28553 2576 36 with with IN 28553 2576 37 the the DT 28553 2576 38 best good JJS 28553 2576 39 harmonics harmonic NNS 28553 2576 40 , , , 28553 2576 41 but but CC 28553 2576 42 kills kill VBZ 28553 2576 43 those those DT 28553 2576 44 which which WDT 28553 2576 45 are be VBP 28553 2576 46 objectionable objectionable JJ 28553 2576 47 . . . 28553 2577 1 Pianoforte Pianoforte NNP 28553 2577 2 makers maker NNS 28553 2577 3 have have VBP 28553 2577 4 discovered discover VBN 28553 2577 5 by by IN 28553 2577 6 experiment experiment NN 28553 2577 7 that that IN 28553 2577 8 the the DT 28553 2577 9 most most RBS 28553 2577 10 pleasing pleasing JJ 28553 2577 11 tone tone NN 28553 2577 12 is be VBZ 28553 2577 13 excited excite VBN 28553 2577 14 when when WRB 28553 2577 15 the the DT 28553 2577 16 point point NN 28553 2577 17 against against IN 28553 2577 18 which which WDT 28553 2577 19 the the DT 28553 2577 20 hammer hammer NN 28553 2577 21 strikes strike NNS 28553 2577 22 is be VBZ 28553 2577 23 one one CD 28553 2577 24 - - HYPH 28553 2577 25 seventh seventh JJ 28553 2577 26 to to IN 28553 2577 27 one one CD 28553 2577 28 - - HYPH 28553 2577 29 ninth ninth JJ 28553 2577 30 of of IN 28553 2577 31 the the DT 28553 2577 32 length length NN 28553 2577 33 of of IN 28553 2577 34 the the DT 28553 2577 35 wire wire NN 28553 2577 36 from from IN 28553 2577 37 one one CD 28553 2577 38 end end NN 28553 2577 39 . . . 28553 2578 1 The the DT 28553 2578 2 nature nature NN 28553 2578 3 of of IN 28553 2578 4 the the DT 28553 2578 5 material material NN 28553 2578 6 which which WDT 28553 2578 7 does do VBZ 28553 2578 8 the the DT 28553 2578 9 actual actual JJ 28553 2578 10 striking striking NN 28553 2578 11 is be VBZ 28553 2578 12 also also RB 28553 2578 13 of of IN 28553 2578 14 importance importance NN 28553 2578 15 . . . 28553 2579 1 The the DT 28553 2579 2 harder hard JJR 28553 2579 3 the the DT 28553 2579 4 substance substance NN 28553 2579 5 , , , 28553 2579 6 and and CC 28553 2579 7 the the DT 28553 2579 8 sharper sharp JJR 28553 2579 9 the the DT 28553 2579 10 blow blow NN 28553 2579 11 , , , 28553 2579 12 the the DT 28553 2579 13 more more RBR 28553 2579 14 prominent prominent JJ 28553 2579 15 do do VBP 28553 2579 16 the the DT 28553 2579 17 harmonics harmonic NNS 28553 2579 18 become become VB 28553 2579 19 ; ; : 28553 2579 20 so so IN 28553 2579 21 that that IN 28553 2579 22 the the DT 28553 2579 23 worker worker NN 28553 2579 24 has have VBZ 28553 2579 25 to to TO 28553 2579 26 regulate regulate VB 28553 2579 27 carefully carefully RB 28553 2579 28 both both CC 28553 2579 29 the the DT 28553 2579 30 duration duration NN 28553 2579 31 of of IN 28553 2579 32 the the DT 28553 2579 33 blow blow NN 28553 2579 34 and and CC 28553 2579 35 the the DT 28553 2579 36 hardness hardness NN 28553 2579 37 of of IN 28553 2579 38 the the DT 28553 2579 39 hammer hammer NN 28553 2579 40 covering covering NN 28553 2579 41 . . . 28553 2580 1 [ [ -LRB- 28553 2580 2 26 26 CD 28553 2580 3 ] ] -RRB- 28553 2580 4 Tyndall Tyndall NNP 28553 2580 5 , , , 28553 2580 6 " " '' 28553 2580 7 On on IN 28553 2580 8 Sound Sound NNP 28553 2580 9 , , , 28553 2580 10 " " '' 28553 2580 11 p. p. NN 28553 2580 12 75 75 CD 28553 2580 13 . . . 28553 2581 1 [ [ -LRB- 28553 2581 2 27 27 CD 28553 2581 3 ] ] -RRB- 28553 2581 4 A a DT 28553 2581 5 Broadwood Broadwood NNP 28553 2581 6 " " `` 28553 2581 7 grand grand NN 28553 2581 8 " " '' 28553 2581 9 is be VBZ 28553 2581 10 made make VBN 28553 2581 11 up up RP 28553 2581 12 of of IN 28553 2581 13 10,700 10,700 CD 28553 2581 14 separate separate JJ 28553 2581 15 pieces piece NNS 28553 2581 16 , , , 28553 2581 17 and and CC 28553 2581 18 in in IN 28553 2581 19 its -PRON- PRP$ 28553 2581 20 manufacture manufacture NN 28553 2581 21 forty forty CD 28553 2581 22 separate separate JJ 28553 2581 23 trades trade NNS 28553 2581 24 are be VBP 28553 2581 25 concerned concern VBN 28553 2581 26 . . . 28553 2582 1 [ [ -LRB- 28553 2582 2 28 28 CD 28553 2582 3 ] ] -RRB- 28553 2582 4 Twelve twelve CD 28553 2582 5 notes note NNS 28553 2582 6 higher higher RBR 28553 2582 7 up up IN 28553 2582 8 the the DT 28553 2582 9 scale scale NN 28553 2582 10 . . . 28553 2583 1 Chapter chapter NN 28553 2583 2 XV XV NNP 28553 2583 3 . . . 28553 2584 1 WIND wind JJ 28553 2584 2 INSTRUMENTS instrument NNS 28553 2584 3 . . . 28553 2585 1 Longitudinal longitudinal JJ 28553 2585 2 vibration vibration NN 28553 2585 3 -- -- : 28553 2585 4 Columns column NNS 28553 2585 5 of of IN 28553 2585 6 air air NN 28553 2585 7 -- -- : 28553 2585 8 Resonance resonance NN 28553 2585 9 of of IN 28553 2585 10 columns column NNS 28553 2585 11 of of IN 28553 2585 12 air air NN 28553 2585 13 -- -- : 28553 2585 14 Length length NN 28553 2585 15 and and CC 28553 2585 16 tone tone NN 28553 2585 17 -- -- : 28553 2585 18 The the DT 28553 2585 19 open open JJ 28553 2585 20 pipe pipe NN 28553 2585 21 -- -- : 28553 2585 22 The the DT 28553 2585 23 overtones overtone NNS 28553 2585 24 of of IN 28553 2585 25 an an DT 28553 2585 26 open open JJ 28553 2585 27 pipe pipe NN 28553 2585 28 -- -- : 28553 2585 29 Where where WRB 28553 2585 30 overtones overtone NNS 28553 2585 31 are be VBP 28553 2585 32 used use VBN 28553 2585 33 -- -- : 28553 2585 34 The the DT 28553 2585 35 arrangement arrangement NN 28553 2585 36 of of IN 28553 2585 37 the the DT 28553 2585 38 pipes pipe NNS 28553 2585 39 and and CC 28553 2585 40 pedals pedal NNS 28553 2585 41 -- -- : 28553 2585 42 Separate separate JJ 28553 2585 43 sound sound NN 28553 2585 44 - - HYPH 28553 2585 45 boards board NNS 28553 2585 46 -- -- : 28553 2585 47 Varieties variety NNS 28553 2585 48 of of IN 28553 2585 49 stops stop NNS 28553 2585 50 -- -- : 28553 2585 51 Tuning tune VBG 28553 2585 52 pipes pipe NNS 28553 2585 53 and and CC 28553 2585 54 reeds reed NNS 28553 2585 55 -- -- : 28553 2585 56 The the DT 28553 2585 57 bellows bellow NNS 28553 2585 58 -- -- : 28553 2585 59 Electric electric JJ 28553 2585 60 and and CC 28553 2585 61 pneumatic pneumatic JJ 28553 2585 62 actions action NNS 28553 2585 63 -- -- : 28553 2585 64 The the DT 28553 2585 65 largest large JJS 28553 2585 66 organ organ NN 28553 2585 67 in in IN 28553 2585 68 the the DT 28553 2585 69 world world NN 28553 2585 70 -- -- : 28553 2585 71 Human human JJ 28553 2585 72 reeds reed NNS 28553 2585 73 . . . 28553 2586 1 LONGITUDINAL LONGITUDINAL NNP 28553 2586 2 VIBRATION VIBRATION NNP 28553 2586 3 . . . 28553 2587 1 In in IN 28553 2587 2 stringed stringed JJ 28553 2587 3 instruments instrument NNS 28553 2587 4 we -PRON- PRP 28553 2587 5 are be VBP 28553 2587 6 concerned concern VBN 28553 2587 7 only only RB 28553 2587 8 with with IN 28553 2587 9 the the DT 28553 2587 10 transverse transverse JJ 28553 2587 11 vibrations vibration NNS 28553 2587 12 of of IN 28553 2587 13 a a DT 28553 2587 14 string string NN 28553 2587 15 -- -- : 28553 2587 16 that that RB 28553 2587 17 is is RB 28553 2587 18 , , , 28553 2587 19 its -PRON- PRP$ 28553 2587 20 movements movement NNS 28553 2587 21 in in IN 28553 2587 22 a a DT 28553 2587 23 direction direction NN 28553 2587 24 at at IN 28553 2587 25 right right JJ 28553 2587 26 angles angle NNS 28553 2587 27 to to IN 28553 2587 28 the the DT 28553 2587 29 axis axi NNS 28553 2587 30 of of IN 28553 2587 31 the the DT 28553 2587 32 string string NN 28553 2587 33 . . . 28553 2588 1 A a DT 28553 2588 2 string string NN 28553 2588 3 can can MD 28553 2588 4 also also RB 28553 2588 5 vibrate vibrate VB 28553 2588 6 longitudinally longitudinally RB 28553 2588 7 -- -- : 28553 2588 8 that that RB 28553 2588 9 is is RB 28553 2588 10 , , , 28553 2588 11 in in IN 28553 2588 12 the the DT 28553 2588 13 direction direction NN 28553 2588 14 of of IN 28553 2588 15 its -PRON- PRP$ 28553 2588 16 axis axi NNS 28553 2588 17 -- -- : 28553 2588 18 as as IN 28553 2588 19 may may MD 28553 2588 20 be be VB 28553 2588 21 proved prove VBN 28553 2588 22 by by IN 28553 2588 23 drawing draw VBG 28553 2588 24 a a DT 28553 2588 25 piece piece NN 28553 2588 26 of of IN 28553 2588 27 resined resined JJ 28553 2588 28 leather leather NN 28553 2588 29 along along IN 28553 2588 30 a a DT 28553 2588 31 violin violin NN 28553 2588 32 string string NN 28553 2588 33 . . . 28553 2589 1 In in IN 28553 2589 2 this this DT 28553 2589 3 case case NN 28553 2589 4 the the DT 28553 2589 5 harmonics harmonic NNS 28553 2589 6 " " `` 28553 2589 7 step step VB 28553 2589 8 up up RP 28553 2589 9 " " '' 28553 2589 10 at at IN 28553 2589 11 the the DT 28553 2589 12 same same JJ 28553 2589 13 rate rate NN 28553 2589 14 as as IN 28553 2589 15 when when WRB 28553 2589 16 the the DT 28553 2589 17 movements movement NNS 28553 2589 18 were be VBD 28553 2589 19 transverse transverse JJ 28553 2589 20 . . . 28553 2590 1 Let let VB 28553 2590 2 us -PRON- PRP 28553 2590 3 substitute substitute VB 28553 2590 4 for for IN 28553 2590 5 a a DT 28553 2590 6 wire wire NN 28553 2590 7 a a DT 28553 2590 8 stout stout JJ 28553 2590 9 bar bar NN 28553 2590 10 of of IN 28553 2590 11 metal metal NN 28553 2590 12 fixed fix VBN 28553 2590 13 at at IN 28553 2590 14 one one CD 28553 2590 15 end end NN 28553 2590 16 only only RB 28553 2590 17 . . . 28553 2591 1 The the DT 28553 2591 2 longitudinal longitudinal JJ 28553 2591 3 vibrations vibration NNS 28553 2591 4 of of IN 28553 2591 5 this this DT 28553 2591 6 rod rod NN 28553 2591 7 contain contain NN 28553 2591 8 overtones overtone NNS 28553 2591 9 of of IN 28553 2591 10 a a DT 28553 2591 11 different different JJ 28553 2591 12 ratio ratio NN 28553 2591 13 . . . 28553 2592 1 The the DT 28553 2592 2 first first JJ 28553 2592 3 harmonic harmonic JJ 28553 2592 4 is be VBZ 28553 2592 5 not not RB 28553 2592 6 an an DT 28553 2592 7 octave octave NN 28553 2592 8 , , , 28553 2592 9 but but CC 28553 2592 10 a a DT 28553 2592 11 twelfth twelfth NN 28553 2592 12 . . . 28553 2593 1 While while IN 28553 2593 2 a a DT 28553 2593 3 tensioned tensione VBN 28553 2593 4 string string NN 28553 2593 5 is be VBZ 28553 2593 6 divided divide VBN 28553 2593 7 by by IN 28553 2593 8 nodes node NNS 28553 2593 9 into into IN 28553 2593 10 two two CD 28553 2593 11 , , , 28553 2593 12 three three CD 28553 2593 13 , , , 28553 2593 14 four four CD 28553 2593 15 , , , 28553 2593 16 five five CD 28553 2593 17 , , , 28553 2593 18 six six CD 28553 2593 19 , , , 28553 2593 20 etc etc FW 28553 2593 21 . . FW 28553 2593 22 , , , 28553 2593 23 parts part NNS 28553 2593 24 , , , 28553 2593 25 a a DT 28553 2593 26 rod rod NN 28553 2593 27 fixed fix VBN 28553 2593 28 at at IN 28553 2593 29 one one CD 28553 2593 30 end end NN 28553 2593 31 only only RB 28553 2593 32 is be VBZ 28553 2593 33 capable capable JJ 28553 2593 34 of of IN 28553 2593 35 producing produce VBG 28553 2593 36 only only RB 28553 2593 37 those those DT 28553 2593 38 harmonics harmonic NNS 28553 2593 39 which which WDT 28553 2593 40 correspond correspond VBP 28553 2593 41 to to IN 28553 2593 42 division division NN 28553 2593 43 into into IN 28553 2593 44 three three CD 28553 2593 45 , , , 28553 2593 46 five five CD 28553 2593 47 , , , 28553 2593 48 seven seven CD 28553 2593 49 , , , 28553 2593 50 nine nine CD 28553 2593 51 , , , 28553 2593 52 etc etc FW 28553 2593 53 . . FW 28553 2593 54 , , , 28553 2593 55 parts part NNS 28553 2593 56 . . . 28553 2594 1 Therefore therefore RB 28553 2594 2 a a DT 28553 2594 3 free free JJ 28553 2594 4 - - HYPH 28553 2594 5 end end NN 28553 2594 6 rod rod NN 28553 2594 7 and and CC 28553 2594 8 a a DT 28553 2594 9 wire wire NN 28553 2594 10 of of IN 28553 2594 11 the the DT 28553 2594 12 same same JJ 28553 2594 13 fundamental fundamental JJ 28553 2594 14 note note NN 28553 2594 15 would would MD 28553 2594 16 not not RB 28553 2594 17 have have VB 28553 2594 18 the the DT 28553 2594 19 same same JJ 28553 2594 20 _ _ NNP 28553 2594 21 timbre timbre NNP 28553 2594 22 _ _ NNP 28553 2594 23 , , , 28553 2594 24 or or CC 28553 2594 25 quality quality NN 28553 2594 26 , , , 28553 2594 27 owing owe VBG 28553 2594 28 to to IN 28553 2594 29 the the DT 28553 2594 30 difference difference NN 28553 2594 31 in in IN 28553 2594 32 the the DT 28553 2594 33 harmonics harmonic NNS 28553 2594 34 . . . 28553 2595 1 COLUMNS COLUMNS NNP 28553 2595 2 OF of IN 28553 2595 3 AIR AIR NNP 28553 2595 4 . . . 28553 2596 1 In in IN 28553 2596 2 wind wind NN 28553 2596 3 instruments instrument NNS 28553 2596 4 we -PRON- PRP 28553 2596 5 employ employ VBP 28553 2596 6 , , , 28553 2596 7 instead instead RB 28553 2596 8 of of IN 28553 2596 9 rods rod NNS 28553 2596 10 or or CC 28553 2596 11 wires wire NNS 28553 2596 12 , , , 28553 2596 13 columns column NNS 28553 2596 14 of of IN 28553 2596 15 air air NN 28553 2596 16 as as IN 28553 2596 17 the the DT 28553 2596 18 vibrating vibrate VBG 28553 2596 19 medium medium NN 28553 2596 20 . . . 28553 2597 1 The the DT 28553 2597 2 note note NN 28553 2597 3 of of IN 28553 2597 4 the the DT 28553 2597 5 column column NN 28553 2597 6 depends depend VBZ 28553 2597 7 on on IN 28553 2597 8 its -PRON- PRP$ 28553 2597 9 length length NN 28553 2597 10 . . . 28553 2598 1 In in IN 28553 2598 2 the the DT 28553 2598 3 " " `` 28553 2598 4 penny penny NN 28553 2598 5 whistle whistle NN 28553 2598 6 , , , 28553 2598 7 " " `` 28553 2598 8 flute flute NN 28553 2598 9 , , , 28553 2598 10 clarionet clarionet NN 28553 2598 11 , , , 28553 2598 12 and and CC 28553 2598 13 piccolo piccolo VB 28553 2598 14 the the DT 28553 2598 15 length length NN 28553 2598 16 of of IN 28553 2598 17 the the DT 28553 2598 18 column column NN 28553 2598 19 is be VBZ 28553 2598 20 altered alter VBN 28553 2598 21 by by IN 28553 2598 22 closing close VBG 28553 2598 23 or or CC 28553 2598 24 opening open VBG 28553 2598 25 apertures aperture NNS 28553 2598 26 in in IN 28553 2598 27 the the DT 28553 2598 28 substance substance NN 28553 2598 29 encircling encircle VBG 28553 2598 30 the the DT 28553 2598 31 column column NN 28553 2598 32 . . . 28553 2599 1 RESONANCE RESONANCE NNP 28553 2599 2 OF of IN 28553 2599 3 COLUMNS COLUMNS NNP 28553 2599 4 OF of IN 28553 2599 5 AIR AIR NNP 28553 2599 6 . . . 28553 2600 1 Why why WRB 28553 2600 2 does do VBZ 28553 2600 3 a a DT 28553 2600 4 tube tube NN 28553 2600 5 closed close VBN 28553 2600 6 at at IN 28553 2600 7 one one CD 28553 2600 8 end end NN 28553 2600 9 , , , 28553 2600 10 such such JJ 28553 2600 11 as as IN 28553 2600 12 the the DT 28553 2600 13 shank shank NN 28553 2600 14 of of IN 28553 2600 15 a a DT 28553 2600 16 key key NN 28553 2600 17 , , , 28553 2600 18 emit emit VB 28553 2600 19 a a DT 28553 2600 20 note note NN 28553 2600 21 when when WRB 28553 2600 22 we -PRON- PRP 28553 2600 23 blow blow VBP 28553 2600 24 across across IN 28553 2600 25 the the DT 28553 2600 26 open open JJ 28553 2600 27 end end NN 28553 2600 28 ? ? . 28553 2601 1 The the DT 28553 2601 2 act act NN 28553 2601 3 of of IN 28553 2601 4 blowing blow VBG 28553 2601 5 drives drive VBZ 28553 2601 6 a a DT 28553 2601 7 thin thin JJ 28553 2601 8 sheet sheet NN 28553 2601 9 of of IN 28553 2601 10 air air NN 28553 2601 11 against against IN 28553 2601 12 the the DT 28553 2601 13 edge edge NN 28553 2601 14 of of IN 28553 2601 15 the the DT 28553 2601 16 tube tube NN 28553 2601 17 and and CC 28553 2601 18 causes cause VBZ 28553 2601 19 it -PRON- PRP 28553 2601 20 to to TO 28553 2601 21 vibrate vibrate VB 28553 2601 22 . . . 28553 2602 1 The the DT 28553 2602 2 vibrations vibration NNS 28553 2602 3 are be VBP 28553 2602 4 confused confused JJ 28553 2602 5 , , , 28553 2602 6 some some DT 28553 2602 7 " " `` 28553 2602 8 pulses pulse NNS 28553 2602 9 " " '' 28553 2602 10 occurring occur VBG 28553 2602 11 more more RBR 28553 2602 12 frequently frequently RB 28553 2602 13 than than IN 28553 2602 14 others other NNS 28553 2602 15 . . . 28553 2603 1 If if IN 28553 2603 2 we -PRON- PRP 28553 2603 3 blew blow VBD 28553 2603 4 against against IN 28553 2603 5 the the DT 28553 2603 6 edge edge NN 28553 2603 7 of of IN 28553 2603 8 a a DT 28553 2603 9 knife knife NN 28553 2603 10 or or CC 28553 2603 11 a a DT 28553 2603 12 piece piece NN 28553 2603 13 of of IN 28553 2603 14 wood wood NN 28553 2603 15 , , , 28553 2603 16 we -PRON- PRP 28553 2603 17 should should MD 28553 2603 18 hear hear VB 28553 2603 19 nothing nothing NN 28553 2603 20 but but IN 28553 2603 21 a a DT 28553 2603 22 hiss hiss NN 28553 2603 23 . . . 28553 2604 1 But but CC 28553 2604 2 when when WRB 28553 2604 3 , , , 28553 2604 4 as as IN 28553 2604 5 in in IN 28553 2604 6 the the DT 28553 2604 7 case case NN 28553 2604 8 which which WDT 28553 2604 9 we -PRON- PRP 28553 2604 10 are be VBP 28553 2604 11 considering consider VBG 28553 2604 12 , , , 28553 2604 13 there there EX 28553 2604 14 is be VBZ 28553 2604 15 a a DT 28553 2604 16 partly partly RB 28553 2604 17 - - HYPH 28553 2604 18 enclosed enclose VBN 28553 2604 19 column column NN 28553 2604 20 of of IN 28553 2604 21 air air NN 28553 2604 22 close close RB 28553 2604 23 to to IN 28553 2604 24 the the DT 28553 2604 25 pulses pulse NNS 28553 2604 26 , , , 28553 2604 27 this this DT 28553 2604 28 selects select VBZ 28553 2604 29 those those DT 28553 2604 30 pulses pulse NNS 28553 2604 31 which which WDT 28553 2604 32 correspond correspond VBP 28553 2604 33 to to IN 28553 2604 34 its -PRON- PRP$ 28553 2604 35 natural natural JJ 28553 2604 36 period period NN 28553 2604 37 of of IN 28553 2604 38 vibration vibration NN 28553 2604 39 , , , 28553 2604 40 and and CC 28553 2604 41 augments augment VBZ 28553 2604 42 them -PRON- PRP 28553 2604 43 to to IN 28553 2604 44 a a DT 28553 2604 45 sustained sustained JJ 28553 2604 46 and and CC 28553 2604 47 very very RB 28553 2604 48 audible audible JJ 28553 2604 49 musical musical JJ 28553 2604 50 sound sound NN 28553 2604 51 . . . 28553 2605 1 [ [ -LRB- 28553 2605 2 Illustration illustration NN 28553 2605 3 : : : 28553 2605 4 FIG fig VB 28553 2605 5 136.--Showing 136.--showing CD 28553 2605 6 how how WRB 28553 2605 7 the the DT 28553 2605 8 harmonics harmonic NNS 28553 2605 9 of of IN 28553 2605 10 a a DT 28553 2605 11 " " `` 28553 2605 12 stopped stop VBN 28553 2605 13 " " '' 28553 2605 14 pipe pipe NN 28553 2605 15 are be VBP 28553 2605 16 formed form VBN 28553 2605 17 . . . 28553 2605 18 ] ] -RRB- 28553 2606 1 In in IN 28553 2606 2 Fig Fig NNP 28553 2606 3 . . . 28553 2607 1 136 136 CD 28553 2607 2 , , , 28553 2607 3 _ _ NNP 28553 2607 4 1 1 CD 28553 2607 5 _ _ NNP 28553 2607 6 is be VBZ 28553 2607 7 a a DT 28553 2607 8 pipe pipe NN 28553 2607 9 , , , 28553 2607 10 closed close VBN 28553 2607 11 at at IN 28553 2607 12 the the DT 28553 2607 13 bottom bottom NN 28553 2607 14 and and CC 28553 2607 15 open open JJ 28553 2607 16 at at IN 28553 2607 17 the the DT 28553 2607 18 top top NN 28553 2607 19 . . . 28553 2608 1 A a DT 28553 2608 2 tuning tuning NN 28553 2608 3 - - HYPH 28553 2608 4 fork fork NN 28553 2608 5 of of IN 28553 2608 6 the the DT 28553 2608 7 same same JJ 28553 2608 8 note note NN 28553 2608 9 as as IN 28553 2608 10 the the DT 28553 2608 11 pipe pipe NN 28553 2608 12 is be VBZ 28553 2608 13 struck strike VBN 28553 2608 14 and and CC 28553 2608 15 held hold VBN 28553 2608 16 over over IN 28553 2608 17 it -PRON- PRP 28553 2608 18 so so IN 28553 2608 19 that that IN 28553 2608 20 the the DT 28553 2608 21 prongs prong NNS 28553 2608 22 vibrate vibrate VBP 28553 2608 23 upwards upward NNS 28553 2608 24 and and CC 28553 2608 25 downwards downwards RB 28553 2608 26 . . . 28553 2609 1 At at IN 28553 2609 2 the the DT 28553 2609 3 commencement commencement NN 28553 2609 4 of of IN 28553 2609 5 an an DT 28553 2609 6 outward outward JJ 28553 2609 7 movement movement NN 28553 2609 8 of of IN 28553 2609 9 the the DT 28553 2609 10 prongs prong NNS 28553 2609 11 the the DT 28553 2609 12 air air NN 28553 2609 13 in in IN 28553 2609 14 front front NN 28553 2609 15 of of IN 28553 2609 16 them -PRON- PRP 28553 2609 17 is be VBZ 28553 2609 18 _ _ NNP 28553 2609 19 compressed compress VBN 28553 2609 20 _ _ NNP 28553 2609 21 . . . 28553 2610 1 This this DT 28553 2610 2 impulse impulse NN 28553 2610 3 , , , 28553 2610 4 imparted impart VBD 28553 2610 5 to to IN 28553 2610 6 the the DT 28553 2610 7 air air NN 28553 2610 8 in in IN 28553 2610 9 the the DT 28553 2610 10 pipe pipe NN 28553 2610 11 , , , 28553 2610 12 runs run VBZ 28553 2610 13 down down IN 28553 2610 14 the the DT 28553 2610 15 column column NN 28553 2610 16 , , , 28553 2610 17 strikes strike VBZ 28553 2610 18 the the DT 28553 2610 19 bottom bottom NN 28553 2610 20 , , , 28553 2610 21 and and CC 28553 2610 22 returns return NNS 28553 2610 23 . . . 28553 2611 1 Just just RB 28553 2611 2 as as IN 28553 2611 3 it -PRON- PRP 28553 2611 4 reaches reach VBZ 28553 2611 5 the the DT 28553 2611 6 top top NN 28553 2611 7 the the DT 28553 2611 8 prong prong NN 28553 2611 9 is be VBZ 28553 2611 10 beginning begin VBG 28553 2611 11 to to TO 28553 2611 12 move move VB 28553 2611 13 inwards inward NNS 28553 2611 14 , , , 28553 2611 15 causing cause VBG 28553 2611 16 a a DT 28553 2611 17 _ _ NNP 28553 2611 18 rarefaction rarefaction NN 28553 2611 19 _ _ NNP 28553 2611 20 of of IN 28553 2611 21 the the DT 28553 2611 22 air air NN 28553 2611 23 behind behind IN 28553 2611 24 it -PRON- PRP 28553 2611 25 . . . 28553 2612 1 This this DT 28553 2612 2 effect effect NN 28553 2612 3 also also RB 28553 2612 4 travels travel VBZ 28553 2612 5 down down RB 28553 2612 6 and and CC 28553 2612 7 back back VB 28553 2612 8 up up RP 28553 2612 9 the the DT 28553 2612 10 column column NN 28553 2612 11 of of IN 28553 2612 12 air air NN 28553 2612 13 in in IN 28553 2612 14 the the DT 28553 2612 15 pipe pipe NN 28553 2612 16 , , , 28553 2612 17 reaching reach VBG 28553 2612 18 the the DT 28553 2612 19 prong prong NN 28553 2612 20 just just RB 28553 2612 21 as as IN 28553 2612 22 it -PRON- PRP 28553 2612 23 arrives arrive VBZ 28553 2612 24 at at IN 28553 2612 25 the the DT 28553 2612 26 furthest furth JJS 28553 2612 27 point point NN 28553 2612 28 of of IN 28553 2612 29 the the DT 28553 2612 30 inward inward JJ 28553 2612 31 motion motion NN 28553 2612 32 . . . 28553 2613 1 The the DT 28553 2613 2 process process NN 28553 2613 3 is be VBZ 28553 2613 4 repeated repeat VBN 28553 2613 5 , , , 28553 2613 6 and and CC 28553 2613 7 the the DT 28553 2613 8 column column NN 28553 2613 9 of of IN 28553 2613 10 air air NN 28553 2613 11 in in IN 28553 2613 12 the the DT 28553 2613 13 pipe pipe NN 28553 2613 14 , , , 28553 2613 15 striking strike VBG 28553 2613 16 on on IN 28553 2613 17 the the DT 28553 2613 18 surrounding surround VBG 28553 2613 19 atmosphere atmosphere NN 28553 2613 20 at at IN 28553 2613 21 regular regular JJ 28553 2613 22 intervals interval NNS 28553 2613 23 , , , 28553 2613 24 greatly greatly RB 28553 2613 25 increases increase VBZ 28553 2613 26 the the DT 28553 2613 27 volume volume NN 28553 2613 28 of of IN 28553 2613 29 sound sound NN 28553 2613 30 . . . 28553 2614 1 We -PRON- PRP 28553 2614 2 must must MD 28553 2614 3 observe observe VB 28553 2614 4 that that IN 28553 2614 5 if if IN 28553 2614 6 the the DT 28553 2614 7 tuning tuning NN 28553 2614 8 - - HYPH 28553 2614 9 fork fork NN 28553 2614 10 were be VBD 28553 2614 11 of of IN 28553 2614 12 too too RB 28553 2614 13 high high JJ 28553 2614 14 or or CC 28553 2614 15 too too RB 28553 2614 16 low low JJ 28553 2614 17 a a DT 28553 2614 18 note note NN 28553 2614 19 for for IN 28553 2614 20 the the DT 28553 2614 21 column column NN 28553 2614 22 of of IN 28553 2614 23 air air NN 28553 2614 24 to to TO 28553 2614 25 move move VB 28553 2614 26 in in IN 28553 2614 27 perfect perfect JJ 28553 2614 28 sympathy sympathy NN 28553 2614 29 with with IN 28553 2614 30 it -PRON- PRP 28553 2614 31 , , , 28553 2614 32 this this DT 28553 2614 33 increase increase NN 28553 2614 34 of of IN 28553 2614 35 sound sound NN 28553 2614 36 would would MD 28553 2614 37 not not RB 28553 2614 38 result result VB 28553 2614 39 . . . 28553 2615 1 Now now RB 28553 2615 2 , , , 28553 2615 3 when when WRB 28553 2615 4 we -PRON- PRP 28553 2615 5 blow blow VBP 28553 2615 6 across across IN 28553 2615 7 the the DT 28553 2615 8 end end NN 28553 2615 9 , , , 28553 2615 10 we -PRON- PRP 28553 2615 11 present present VBP 28553 2615 12 , , , 28553 2615 13 as as IN 28553 2615 14 it -PRON- PRP 28553 2615 15 were be VBD 28553 2615 16 , , , 28553 2615 17 a a DT 28553 2615 18 number number NN 28553 2615 19 of of IN 28553 2615 20 vibrating vibrate VBG 28553 2615 21 tuning tuning NN 28553 2615 22 - - HYPH 28553 2615 23 forks fork NNS 28553 2615 24 to to IN 28553 2615 25 the the DT 28553 2615 26 pipe pipe NN 28553 2615 27 , , , 28553 2615 28 which which WDT 28553 2615 29 picks pick VBZ 28553 2615 30 out out RP 28553 2615 31 those those DT 28553 2615 32 air air NN 28553 2615 33 - - HYPH 28553 2615 34 pulses pulse NNS 28553 2615 35 with with IN 28553 2615 36 which which WDT 28553 2615 37 it -PRON- PRP 28553 2615 38 sympathizes sympathize VBZ 28553 2615 39 . . . 28553 2616 1 LENGTH LENGTH NNP 28553 2616 2 AND and CC 28553 2616 3 TONE tone NN 28553 2616 4 . . . 28553 2617 1 The the DT 28553 2617 2 rate rate NN 28553 2617 3 of of IN 28553 2617 4 vibration vibration NN 28553 2617 5 is be VBZ 28553 2617 6 found find VBN 28553 2617 7 to to TO 28553 2617 8 be be VB 28553 2617 9 inversely inversely RB 28553 2617 10 proportional proportional JJ 28553 2617 11 to to IN 28553 2617 12 the the DT 28553 2617 13 length length NN 28553 2617 14 of of IN 28553 2617 15 the the DT 28553 2617 16 pipe pipe NN 28553 2617 17 . . . 28553 2618 1 Thus thus RB 28553 2618 2 , , , 28553 2618 3 the the DT 28553 2618 4 vibrations vibration NNS 28553 2618 5 of of IN 28553 2618 6 a a DT 28553 2618 7 two two CD 28553 2618 8 - - HYPH 28553 2618 9 foot foot NN 28553 2618 10 pipe pipe NN 28553 2618 11 are be VBP 28553 2618 12 twice twice RB 28553 2618 13 as as RB 28553 2618 14 rapid rapid JJ 28553 2618 15 as as IN 28553 2618 16 those those DT 28553 2618 17 of of IN 28553 2618 18 a a DT 28553 2618 19 four four CD 28553 2618 20 - - HYPH 28553 2618 21 foot foot NN 28553 2618 22 pipe pipe NN 28553 2618 23 , , , 28553 2618 24 and and CC 28553 2618 25 the the DT 28553 2618 26 note note NN 28553 2618 27 emitted emit VBN 28553 2618 28 by by IN 28553 2618 29 the the DT 28553 2618 30 former former JJ 28553 2618 31 is be VBZ 28553 2618 32 an an DT 28553 2618 33 octave octave NN 28553 2618 34 higher high JJR 28553 2618 35 than than IN 28553 2618 36 that that DT 28553 2618 37 of of IN 28553 2618 38 the the DT 28553 2618 39 latter latter JJ 28553 2618 40 . . . 28553 2619 1 A a DT 28553 2619 2 one one CD 28553 2619 3 - - HYPH 28553 2619 4 foot foot NN 28553 2619 5 pipe pipe NN 28553 2619 6 gives give VBZ 28553 2619 7 a a DT 28553 2619 8 note note NN 28553 2619 9 an an DT 28553 2619 10 octave octave NN 28553 2619 11 higher higher RBR 28553 2619 12 still still RB 28553 2619 13 . . . 28553 2620 1 We -PRON- PRP 28553 2620 2 are be VBP 28553 2620 3 here here RB 28553 2620 4 speaking speak VBG 28553 2620 5 of of IN 28553 2620 6 the the DT 28553 2620 7 _ _ NNP 28553 2620 8 fundamental fundamental JJ 28553 2620 9 _ _ NNP 28553 2620 10 tones tone NNS 28553 2620 11 of of IN 28553 2620 12 the the DT 28553 2620 13 pipes pipe NNS 28553 2620 14 . . . 28553 2621 1 With with IN 28553 2621 2 them -PRON- PRP 28553 2621 3 , , , 28553 2621 4 as as IN 28553 2621 5 in in IN 28553 2621 6 the the DT 28553 2621 7 case case NN 28553 2621 8 of of IN 28553 2621 9 strings string NNS 28553 2621 10 , , , 28553 2621 11 are be VBP 28553 2621 12 associated associate VBN 28553 2621 13 the the DT 28553 2621 14 _ _ NNP 28553 2621 15 overtones overtone NNS 28553 2621 16 _ _ NNP 28553 2621 17 , , , 28553 2621 18 or or CC 28553 2621 19 harmonics harmonic NNS 28553 2621 20 , , , 28553 2621 21 which which WDT 28553 2621 22 can can MD 28553 2621 23 be be VB 28553 2621 24 brought bring VBN 28553 2621 25 into into IN 28553 2621 26 prominence prominence NN 28553 2621 27 by by IN 28553 2621 28 increasing increase VBG 28553 2621 29 the the DT 28553 2621 30 pressure pressure NN 28553 2621 31 of of IN 28553 2621 32 the the DT 28553 2621 33 blast blast NN 28553 2621 34 at at IN 28553 2621 35 the the DT 28553 2621 36 top top NN 28553 2621 37 of of IN 28553 2621 38 the the DT 28553 2621 39 pipe pipe NN 28553 2621 40 . . . 28553 2622 1 Blow blow VB 28553 2622 2 very very RB 28553 2622 3 hard hard RB 28553 2622 4 on on IN 28553 2622 5 your -PRON- PRP$ 28553 2622 6 key key NN 28553 2622 7 , , , 28553 2622 8 and and CC 28553 2622 9 the the DT 28553 2622 10 note note NN 28553 2622 11 suddenly suddenly RB 28553 2622 12 changes change VBZ 28553 2622 13 to to IN 28553 2622 14 one one CD 28553 2622 15 much much JJ 28553 2622 16 shriller shriller NN 28553 2622 17 . . . 28553 2623 1 It -PRON- PRP 28553 2623 2 is be VBZ 28553 2623 3 the the DT 28553 2623 4 twelfth twelfth NN 28553 2623 5 of of IN 28553 2623 6 the the DT 28553 2623 7 fundamental fundamental JJ 28553 2623 8 , , , 28553 2623 9 of of IN 28553 2623 10 which which WDT 28553 2623 11 it -PRON- PRP 28553 2623 12 has have VBZ 28553 2623 13 completely completely RB 28553 2623 14 got get VBN 28553 2623 15 the the DT 28553 2623 16 upper upper JJ 28553 2623 17 hand hand NN 28553 2623 18 . . . 28553 2624 1 We -PRON- PRP 28553 2624 2 must must MD 28553 2624 3 now now RB 28553 2624 4 put put VB 28553 2624 5 on on RP 28553 2624 6 our -PRON- PRP$ 28553 2624 7 thinking thinking NN 28553 2624 8 - - HYPH 28553 2624 9 caps cap NNS 28553 2624 10 and and CC 28553 2624 11 try try VB 28553 2624 12 to to TO 28553 2624 13 understand understand VB 28553 2624 14 how how WRB 28553 2624 15 this this DT 28553 2624 16 comes come VBZ 28553 2624 17 about about IN 28553 2624 18 . . . 28553 2625 1 First first RB 28553 2625 2 , , , 28553 2625 3 let let VB 28553 2625 4 us -PRON- PRP 28553 2625 5 note note VB 28553 2625 6 that that IN 28553 2625 7 the the DT 28553 2625 8 vibration vibration NN 28553 2625 9 of of IN 28553 2625 10 a a DT 28553 2625 11 body body NN 28553 2625 12 ( ( -LRB- 28553 2625 13 in in IN 28553 2625 14 this this DT 28553 2625 15 case case NN 28553 2625 16 a a DT 28553 2625 17 column column NN 28553 2625 18 of of IN 28553 2625 19 air air NN 28553 2625 20 ) ) -RRB- 28553 2625 21 means mean VBZ 28553 2625 22 a a DT 28553 2625 23 motion motion NN 28553 2625 24 from from IN 28553 2625 25 a a DT 28553 2625 26 point point NN 28553 2625 27 of of IN 28553 2625 28 rest rest NN 28553 2625 29 to to IN 28553 2625 30 a a DT 28553 2625 31 point point NN 28553 2625 32 of of IN 28553 2625 33 rest rest NN 28553 2625 34 , , , 28553 2625 35 or or CC 28553 2625 36 from from IN 28553 2625 37 node node RB 28553 2625 38 to to TO 28553 2625 39 node node RB 28553 2625 40 . . . 28553 2626 1 In in IN 28553 2626 2 the the DT 28553 2626 3 air air NN 28553 2626 4 - - HYPH 28553 2626 5 column column NN 28553 2626 6 in in IN 28553 2626 7 Fig Fig NNP 28553 2626 8 . . . 28553 2627 1 136 136 CD 28553 2627 2 , , , 28553 2627 3 _ _ NNP 28553 2627 4 1 1 CD 28553 2627 5 _ _ NNP 28553 2627 6 , , , 28553 2627 7 there there EX 28553 2627 8 is be VBZ 28553 2627 9 only only RB 28553 2627 10 one one CD 28553 2627 11 point point NN 28553 2627 12 of of IN 28553 2627 13 rest rest NN 28553 2627 14 for for IN 28553 2627 15 an an DT 28553 2627 16 impulse impulse NN 28553 2627 17 -- -- : 28553 2627 18 namely namely RB 28553 2627 19 , , , 28553 2627 20 at at IN 28553 2627 21 the the DT 28553 2627 22 bottom bottom NN 28553 2627 23 of of IN 28553 2627 24 the the DT 28553 2627 25 pipe pipe NN 28553 2627 26 . . . 28553 2628 1 So so IN 28553 2628 2 that that DT 28553 2628 3 to to TO 28553 2628 4 pass pass VB 28553 2628 5 from from IN 28553 2628 6 node node RB 28553 2628 7 to to TO 28553 2628 8 node node RB 28553 2628 9 the the DT 28553 2628 10 impulse impulse NN 28553 2628 11 must must MD 28553 2628 12 pass pass VB 28553 2628 13 up up RP 28553 2628 14 the the DT 28553 2628 15 pipe pipe NN 28553 2628 16 and and CC 28553 2628 17 down down RB 28553 2628 18 again again RB 28553 2628 19 . . . 28553 2629 1 The the DT 28553 2629 2 distance distance NN 28553 2629 3 from from IN 28553 2629 4 node node RB 28553 2629 5 to to TO 28553 2629 6 node node RB 28553 2629 7 in in IN 28553 2629 8 a a DT 28553 2629 9 vibrating vibrate VBG 28553 2629 10 body body NN 28553 2629 11 is be VBZ 28553 2629 12 called call VBN 28553 2629 13 a a DT 28553 2629 14 _ _ NNP 28553 2629 15 ventral ventral JJ 28553 2629 16 segment segment NN 28553 2629 17 _ _ NNP 28553 2629 18 . . . 28553 2630 1 Remember remember VB 28553 2630 2 this this DT 28553 2630 3 term term NN 28553 2630 4 . . . 28553 2631 1 Therefore therefore RB 28553 2631 2 the the DT 28553 2631 3 pipe pipe NN 28553 2631 4 represents represent VBZ 28553 2631 5 a a DT 28553 2631 6 semi semi JJ 28553 2631 7 - - JJ 28553 2631 8 ventral ventral JJ 28553 2631 9 segment segment NN 28553 2631 10 when when WRB 28553 2631 11 the the DT 28553 2631 12 fundamental fundamental JJ 28553 2631 13 note note NN 28553 2631 14 is be VBZ 28553 2631 15 sounding sound VBG 28553 2631 16 . . . 28553 2632 1 When when WRB 28553 2632 2 the the DT 28553 2632 3 first first JJ 28553 2632 4 overtone overtone NN 28553 2632 5 is be VBZ 28553 2632 6 sounded sound VBN 28553 2632 7 the the DT 28553 2632 8 column column NN 28553 2632 9 divides divide VBZ 28553 2632 10 itself -PRON- PRP 28553 2632 11 into into IN 28553 2632 12 two two CD 28553 2632 13 vibrating vibrate VBG 28553 2632 14 parts part NNS 28553 2632 15 . . . 28553 2633 1 Where where WRB 28553 2633 2 will will MD 28553 2633 3 the the DT 28553 2633 4 node node NN 28553 2633 5 between between IN 28553 2633 6 them -PRON- PRP 28553 2633 7 be be VB 28553 2633 8 ? ? . 28553 2634 1 We -PRON- PRP 28553 2634 2 might may MD 28553 2634 3 naturally naturally RB 28553 2634 4 say say VB 28553 2634 5 , , , 28553 2634 6 " " `` 28553 2634 7 Half half JJ 28553 2634 8 - - HYPH 28553 2634 9 way way NN 28553 2634 10 up up RB 28553 2634 11 . . . 28553 2634 12 " " '' 28553 2635 1 But but CC 28553 2635 2 this this DT 28553 2635 3 can can MD 28553 2635 4 not not RB 28553 2635 5 be be VB 28553 2635 6 so so RB 28553 2635 7 ; ; : 28553 2635 8 for for IN 28553 2635 9 if if IN 28553 2635 10 the the DT 28553 2635 11 node node NN 28553 2635 12 were be VBD 28553 2635 13 so so RB 28553 2635 14 situated situated JJ 28553 2635 15 , , , 28553 2635 16 an an DT 28553 2635 17 impulse impulse NN 28553 2635 18 going go VBG 28553 2635 19 down down IN 28553 2635 20 the the DT 28553 2635 21 pipe pipe NN 28553 2635 22 would would MD 28553 2635 23 only only RB 28553 2635 24 have have VB 28553 2635 25 to to TO 28553 2635 26 travel travel VB 28553 2635 27 to to IN 28553 2635 28 the the DT 28553 2635 29 bottom bottom NN 28553 2635 30 to to TO 28553 2635 31 find find VB 28553 2635 32 another another DT 28553 2635 33 node node NN 28553 2635 34 , , , 28553 2635 35 while while IN 28553 2635 36 an an DT 28553 2635 37 impulse impulse NN 28553 2635 38 going go VBG 28553 2635 39 up up RP 28553 2635 40 would would MD 28553 2635 41 have have VB 28553 2635 42 to to TO 28553 2635 43 travel travel VB 28553 2635 44 to to IN 28553 2635 45 the the DT 28553 2635 46 top top NN 28553 2635 47 and and CC 28553 2635 48 back back RB 28553 2635 49 again again RB 28553 2635 50 -- -- : 28553 2635 51 that that RB 28553 2635 52 is is RB 28553 2635 53 , , , 28553 2635 54 go go VB 28553 2635 55 twice twice RB 28553 2635 56 as as RB 28553 2635 57 far far RB 28553 2635 58 . . . 28553 2636 1 So so RB 28553 2636 2 the the DT 28553 2636 3 node node NN 28553 2636 4 forms form VBZ 28553 2636 5 itself -PRON- PRP 28553 2636 6 _ _ IN 28553 2636 7 one one CD 28553 2636 8 - - HYPH 28553 2636 9 third third NN 28553 2636 10 _ _ NNP 28553 2636 11 of of IN 28553 2636 12 the the DT 28553 2636 13 distance distance NN 28553 2636 14 down down IN 28553 2636 15 the the DT 28553 2636 16 pipe pipe NN 28553 2636 17 . . . 28553 2637 1 From from IN 28553 2637 2 B b NN 28553 2637 3 to to IN 28553 2637 4 A a NN 28553 2637 5 ( ( -LRB- 28553 2637 6 Fig fig NN 28553 2637 7 . . . 28553 2638 1 136 136 CD 28553 2638 2 , , , 28553 2638 3 _ _ NNP 28553 2638 4 2 2 CD 28553 2638 5 _ _ NNP 28553 2638 6 ) ) -RRB- 28553 2638 7 and and CC 28553 2638 8 back back NN 28553 2638 9 is be VBZ 28553 2638 10 now now RB 28553 2638 11 equal equal JJ 28553 2638 12 to to IN 28553 2638 13 from from IN 28553 2638 14 B B NNP 28553 2638 15 to to IN 28553 2638 16 C. C. NNP 28553 2638 17 When when WRB 28553 2638 18 the the DT 28553 2638 19 second second JJ 28553 2638 20 overtone overtone NN 28553 2638 21 is be VBZ 28553 2638 22 blown blow VBN 28553 2638 23 ( ( -LRB- 28553 2638 24 Fig fig NN 28553 2638 25 . . . 28553 2639 1 136 136 CD 28553 2639 2 , , , 28553 2639 3 _ _ NNP 28553 2639 4 3 3 CD 28553 2639 5 _ _ NNP 28553 2639 6 ) ) -RRB- 28553 2639 7 a a DT 28553 2639 8 third third JJ 28553 2639 9 node node JJ 28553 2639 10 forms form NNS 28553 2639 11 . . . 28553 2640 1 The the DT 28553 2640 2 pipe pipe NN 28553 2640 3 is be VBZ 28553 2640 4 now now RB 28553 2640 5 divided divide VBN 28553 2640 6 into into IN 28553 2640 7 _ _ NNP 28553 2640 8 five five CD 28553 2640 9 _ _ NNP 28553 2640 10 semi semi JJ 28553 2640 11 - - JJ 28553 2640 12 ventral ventral JJ 28553 2640 13 segments segment NNS 28553 2640 14 . . . 28553 2641 1 And and CC 28553 2641 2 with with IN 28553 2641 3 each each DT 28553 2641 4 succeeding succeed VBG 28553 2641 5 overtone overtone NN 28553 2641 6 another another DT 28553 2641 7 node node JJ 28553 2641 8 and and CC 28553 2641 9 ventral ventral JJ 28553 2641 10 segment segment NN 28553 2641 11 are be VBP 28553 2641 12 added add VBN 28553 2641 13 . . . 28553 2642 1 The the DT 28553 2642 2 law law NN 28553 2642 3 of of IN 28553 2642 4 vibration vibration NN 28553 2642 5 of of IN 28553 2642 6 a a DT 28553 2642 7 column column NN 28553 2642 8 of of IN 28553 2642 9 air air NN 28553 2642 10 is be VBZ 28553 2642 11 that that IN 28553 2642 12 the the DT 28553 2642 13 number number NN 28553 2642 14 of of IN 28553 2642 15 vibrations vibration NNS 28553 2642 16 is be VBZ 28553 2642 17 directly directly RB 28553 2642 18 proportional proportional JJ 28553 2642 19 to to IN 28553 2642 20 the the DT 28553 2642 21 number number NN 28553 2642 22 of of IN 28553 2642 23 semi semi JJ 28553 2642 24 - - JJ 28553 2642 25 ventral ventral JJ 28553 2642 26 segments segment NNS 28553 2642 27 into into IN 28553 2642 28 which which WDT 28553 2642 29 the the DT 28553 2642 30 column column NN 28553 2642 31 of of IN 28553 2642 32 air air NN 28553 2642 33 inside inside IN 28553 2642 34 the the DT 28553 2642 35 pipe pipe NN 28553 2642 36 is be VBZ 28553 2642 37 divided divide VBN 28553 2642 38 . . . 28553 2643 1 [ [ -LRB- 28553 2643 2 29 29 CD 28553 2643 3 ] ] -RRB- 28553 2643 4 If if IN 28553 2643 5 the the DT 28553 2643 6 fundamental fundamental JJ 28553 2643 7 tone tone NN 28553 2643 8 gives give VBZ 28553 2643 9 100 100 CD 28553 2643 10 vibrations vibration NNS 28553 2643 11 per per IN 28553 2643 12 second second NN 28553 2643 13 , , , 28553 2643 14 the the DT 28553 2643 15 first first JJ 28553 2643 16 overtone overtone NN 28553 2643 17 in in IN 28553 2643 18 a a DT 28553 2643 19 closed closed JJ 28553 2643 20 pipe pipe NN 28553 2643 21 must must MD 28553 2643 22 give give VB 28553 2643 23 300 300 CD 28553 2643 24 , , , 28553 2643 25 and and CC 28553 2643 26 the the DT 28553 2643 27 second second JJ 28553 2643 28 500 500 CD 28553 2643 29 vibrations vibration NNS 28553 2643 30 . . . 28553 2644 1 THE the DT 28553 2644 2 OPEN OPEN NNP 28553 2644 3 PIPE PIPE NNP 28553 2644 4 . . . 28553 2645 1 A a DT 28553 2645 2 pipe pipe NN 28553 2645 3 open open JJ 28553 2645 4 at at IN 28553 2645 5 both both DT 28553 2645 6 ends end NNS 28553 2645 7 is be VBZ 28553 2645 8 capable capable JJ 28553 2645 9 of of IN 28553 2645 10 emitting emit VBG 28553 2645 11 a a DT 28553 2645 12 note note NN 28553 2645 13 . . . 28553 2646 1 But but CC 28553 2646 2 we -PRON- PRP 28553 2646 3 shall shall MD 28553 2646 4 find find VB 28553 2646 5 , , , 28553 2646 6 if if IN 28553 2646 7 we -PRON- PRP 28553 2646 8 experiment experiment VBP 28553 2646 9 , , , 28553 2646 10 that that IN 28553 2646 11 the the DT 28553 2646 12 note note NN 28553 2646 13 of of IN 28553 2646 14 a a DT 28553 2646 15 stopped stop VBN 28553 2646 16 pipe pipe NN 28553 2646 17 is be VBZ 28553 2646 18 an an DT 28553 2646 19 octave octave NN 28553 2646 20 lower low JJR 28553 2646 21 than than IN 28553 2646 22 that that DT 28553 2646 23 of of IN 28553 2646 24 an an DT 28553 2646 25 open open JJ 28553 2646 26 pipe pipe NN 28553 2646 27 of of IN 28553 2646 28 equal equal JJ 28553 2646 29 length length NN 28553 2646 30 . . . 28553 2647 1 This this DT 28553 2647 2 is be VBZ 28553 2647 3 explained explain VBN 28553 2647 4 by by IN 28553 2647 5 Fig Fig NNP 28553 2647 6 . . . 28553 2648 1 137 137 CD 28553 2648 2 , , , 28553 2648 3 _ _ NNP 28553 2648 4 1 1 CD 28553 2648 5 _ _ NNP 28553 2648 6 . . . 28553 2649 1 The the DT 28553 2649 2 air air NN 28553 2649 3 - - HYPH 28553 2649 4 column column NN 28553 2649 5 in in IN 28553 2649 6 the the DT 28553 2649 7 pipe pipe NN 28553 2649 8 ( ( -LRB- 28553 2649 9 of of IN 28553 2649 10 the the DT 28553 2649 11 same same JJ 28553 2649 12 length length NN 28553 2649 13 as as IN 28553 2649 14 that that DT 28553 2649 15 in in IN 28553 2649 16 Fig Fig NNP 28553 2649 17 . . . 28553 2650 1 136 136 CD 28553 2650 2 ) ) -RRB- 28553 2650 3 divides divide VBZ 28553 2650 4 itself -PRON- PRP 28553 2650 5 , , , 28553 2650 6 when when WRB 28553 2650 7 an an DT 28553 2650 8 end end NN 28553 2650 9 is be VBZ 28553 2650 10 blown blow VBN 28553 2650 11 across across IN 28553 2650 12 , , , 28553 2650 13 into into IN 28553 2650 14 two two CD 28553 2650 15 equal equal JJ 28553 2650 16 portions portion NNS 28553 2650 17 at at IN 28553 2650 18 the the DT 28553 2650 19 node node NNP 28553 2650 20 B B NNP 28553 2650 21 , , , 28553 2650 22 the the DT 28553 2650 23 natural natural JJ 28553 2650 24 point point NN 28553 2650 25 to to TO 28553 2650 26 obtain obtain VB 28553 2650 27 equilibrium equilibrium NN 28553 2650 28 . . . 28553 2651 1 A a DT 28553 2651 2 pulse pulse NN 28553 2651 3 will will MD 28553 2651 4 pass pass VB 28553 2651 5 from from IN 28553 2651 6 A a DT 28553 2651 7 or or CC 28553 2651 8 A^1 A^1 NNP 28553 2651 9 to to IN 28553 2651 10 B b NN 28553 2651 11 and and CC 28553 2651 12 back back RB 28553 2651 13 again again RB 28553 2651 14 in in IN 28553 2651 15 half half PDT 28553 2651 16 the the DT 28553 2651 17 time time NN 28553 2651 18 required require VBN 28553 2651 19 to to TO 28553 2651 20 pass pass VB 28553 2651 21 from from IN 28553 2651 22 A a NN 28553 2651 23 to to IN 28553 2651 24 B b NN 28553 2651 25 and and CC 28553 2651 26 back back RB 28553 2651 27 in in IN 28553 2651 28 Fig Fig NNP 28553 2651 29 . . . 28553 2652 1 136 136 CD 28553 2652 2 , , , 28553 2652 3 _ _ NNP 28553 2652 4 1 1 CD 28553 2652 5 _ _ NNP 28553 2652 6 ; ; : 28553 2652 7 therefore therefore RB 28553 2652 8 the the DT 28553 2652 9 note note NN 28553 2652 10 is be VBZ 28553 2652 11 an an DT 28553 2652 12 octave octave NN 28553 2652 13 higher high JJR 28553 2652 14 . . . 28553 2653 1 [ [ -LRB- 28553 2653 2 Illustration illustration NN 28553 2653 3 : : : 28553 2653 4 FIG FIG NNP 28553 2653 5 . . . 28553 2654 1 137.--Showing 137.--showing CD 28553 2654 2 how how WRB 28553 2654 3 harmonics harmonic NNS 28553 2654 4 of of IN 28553 2654 5 an an DT 28553 2654 6 open open JJ 28553 2654 7 pipe pipe NN 28553 2654 8 are be VBP 28553 2654 9 formed form VBN 28553 2654 10 , , , 28553 2654 11 B B NNP 28553 2654 12 , , , 28553 2654 13 B^1 B^1 NNP 28553 2654 14 , , , 28553 2654 15 and and CC 28553 2654 16 C C NNP 28553 2654 17 are be VBP 28553 2654 18 " " `` 28553 2654 19 nodes node NNS 28553 2654 20 . . . 28553 2654 21 " " '' 28553 2655 1 The the DT 28553 2655 2 arrows arrow NNS 28553 2655 3 indicate indicate VBP 28553 2655 4 the the DT 28553 2655 5 distance distance NN 28553 2655 6 travelled travel VBN 28553 2655 7 by by IN 28553 2655 8 a a DT 28553 2655 9 sound sound JJ 28553 2655 10 impulse impulse NN 28553 2655 11 from from IN 28553 2655 12 a a DT 28553 2655 13 node node NN 28553 2655 14 to to IN 28553 2655 15 a a DT 28553 2655 16 node node NN 28553 2655 17 . . . 28553 2655 18 ] ] -RRB- 28553 2656 1 THE the DT 28553 2656 2 OVERTONES overtones NN 28553 2656 3 OF of IN 28553 2656 4 AN an DT 28553 2656 5 OPEN open JJ 28553 2656 6 PIPE PIPE NNP 28553 2656 7 . . . 28553 2657 1 The the DT 28553 2657 2 first first JJ 28553 2657 3 overtone overtone NN 28553 2657 4 results result VBZ 28553 2657 5 when when WRB 28553 2657 6 nodes node NNS 28553 2657 7 form form VBP 28553 2657 8 as as IN 28553 2657 9 in in IN 28553 2657 10 Fig Fig NNP 28553 2657 11 . . . 28553 2658 1 137 137 CD 28553 2658 2 , , , 28553 2658 3 _ _ NNP 28553 2658 4 2 2 CD 28553 2658 5 _ _ NNP 28553 2658 6 , , , 28553 2658 7 at at IN 28553 2658 8 points point NNS 28553 2658 9 one one CD 28553 2658 10 - - HYPH 28553 2658 11 quarter quarter NN 28553 2658 12 of of IN 28553 2658 13 the the DT 28553 2658 14 length length NN 28553 2658 15 of of IN 28553 2658 16 the the DT 28553 2658 17 pipe pipe NN 28553 2658 18 from from IN 28553 2658 19 the the DT 28553 2658 20 ends end NNS 28553 2658 21 , , , 28553 2658 22 giving give VBG 28553 2658 23 one one CD 28553 2658 24 complete complete JJ 28553 2658 25 ventral ventral JJ 28553 2658 26 segment segment NN 28553 2658 27 and and CC 28553 2658 28 two two CD 28553 2658 29 semi semi JJ 28553 2658 30 - - JJ 28553 2658 31 ventral ventral JJ 28553 2658 32 segments segment NNS 28553 2658 33 . . . 28553 2659 1 The the DT 28553 2659 2 vibrations vibration NNS 28553 2659 3 now now RB 28553 2659 4 are be VBP 28553 2659 5 twice twice RB 28553 2659 6 as as RB 28553 2659 7 rapid rapid JJ 28553 2659 8 as as IN 28553 2659 9 before before RB 28553 2659 10 . . . 28553 2660 1 The the DT 28553 2660 2 second second JJ 28553 2660 3 overtone overtone NN 28553 2660 4 requires require VBZ 28553 2660 5 three three CD 28553 2660 6 nodes node NNS 28553 2660 7 , , , 28553 2660 8 as as IN 28553 2660 9 in in IN 28553 2660 10 Fig Fig NNP 28553 2660 11 . . . 28553 2661 1 137 137 CD 28553 2661 2 , , , 28553 2661 3 _ _ NNP 28553 2661 4 3 3 CD 28553 2661 5 _ _ NNP 28553 2661 6 . . . 28553 2662 1 The the DT 28553 2662 2 rate rate NN 28553 2662 3 has have VBZ 28553 2662 4 now now RB 28553 2662 5 trebled treble VBN 28553 2662 6 . . . 28553 2663 1 So so RB 28553 2663 2 that that IN 28553 2663 3 , , , 28553 2663 4 while while IN 28553 2663 5 the the DT 28553 2663 6 overtones overtone NNS 28553 2663 7 of of IN 28553 2663 8 a a DT 28553 2663 9 closed closed JJ 28553 2663 10 pipe pipe NN 28553 2663 11 rise rise NN 28553 2663 12 in in IN 28553 2663 13 the the DT 28553 2663 14 ratio ratio NN 28553 2663 15 1 1 CD 28553 2663 16 , , , 28553 2663 17 3 3 CD 28553 2663 18 , , , 28553 2663 19 5 5 CD 28553 2663 20 , , , 28553 2663 21 7 7 CD 28553 2663 22 , , , 28553 2663 23 etc etc FW 28553 2663 24 . . FW 28553 2663 25 , , , 28553 2663 26 those those DT 28553 2663 27 of of IN 28553 2663 28 an an DT 28553 2663 29 open open JJ 28553 2663 30 pipe pipe NN 28553 2663 31 rise rise NN 28553 2663 32 in in IN 28553 2663 33 the the DT 28553 2663 34 proportion proportion NN 28553 2663 35 1 1 CD 28553 2663 36 , , , 28553 2663 37 2 2 CD 28553 2663 38 , , , 28553 2663 39 3 3 CD 28553 2663 40 , , , 28553 2663 41 4 4 CD 28553 2663 42 , , , 28553 2663 43 etc etc FW 28553 2663 44 . . . 28553 2664 1 WHERE where WRB 28553 2664 2 OVERTONES overtone NNS 28553 2664 3 ARE are VBP 28553 2664 4 USED use VBN 28553 2664 5 . . . 28553 2665 1 In in IN 28553 2665 2 the the DT 28553 2665 3 flute flute NN 28553 2665 4 , , , 28553 2665 5 piccolo piccolo NN 28553 2665 6 , , , 28553 2665 7 and and CC 28553 2665 8 clarionet clarionet VB 28553 2665 9 , , , 28553 2665 10 as as RB 28553 2665 11 well well RB 28553 2665 12 as as IN 28553 2665 13 in in IN 28553 2665 14 the the DT 28553 2665 15 horn horn NN 28553 2665 16 class class NN 28553 2665 17 of of IN 28553 2665 18 instrument instrument NN 28553 2665 19 , , , 28553 2665 20 the the DT 28553 2665 21 overtones overtone NNS 28553 2665 22 are be VBP 28553 2665 23 as as RB 28553 2665 24 important important JJ 28553 2665 25 as as IN 28553 2665 26 the the DT 28553 2665 27 fundamental fundamental JJ 28553 2665 28 notes note NNS 28553 2665 29 . . . 28553 2666 1 By by IN 28553 2666 2 artificially artificially RB 28553 2666 3 altering alter VBG 28553 2666 4 the the DT 28553 2666 5 length length NN 28553 2666 6 of of IN 28553 2666 7 the the DT 28553 2666 8 column column NN 28553 2666 9 of of IN 28553 2666 10 air air NN 28553 2666 11 , , , 28553 2666 12 the the DT 28553 2666 13 fundamental fundamental JJ 28553 2666 14 notes note NNS 28553 2666 15 are be VBP 28553 2666 16 also also RB 28553 2666 17 altered alter VBN 28553 2666 18 , , , 28553 2666 19 while while IN 28553 2666 20 the the DT 28553 2666 21 harmonics harmonic NNS 28553 2666 22 of of IN 28553 2666 23 each each DT 28553 2666 24 fundamental fundamental JJ 28553 2666 25 are be VBP 28553 2666 26 produced produce VBN 28553 2666 27 at at IN 28553 2666 28 will will NN 28553 2666 29 by by IN 28553 2666 30 varying vary VBG 28553 2666 31 the the DT 28553 2666 32 blowing blowing NN 28553 2666 33 pressure pressure NN 28553 2666 34 ; ; : 28553 2666 35 so so IN 28553 2666 36 that that IN 28553 2666 37 a a DT 28553 2666 38 continuous continuous JJ 28553 2666 39 chromatic chromatic NN 28553 2666 40 , , , 28553 2666 41 or or CC 28553 2666 42 semitonal semitonal JJ 28553 2666 43 , , , 28553 2666 44 scale scale NN 28553 2666 45 is be VBZ 28553 2666 46 possible possible JJ 28553 2666 47 throughout throughout IN 28553 2666 48 the the DT 28553 2666 49 compass compass NN 28553 2666 50 of of IN 28553 2666 51 the the DT 28553 2666 52 instrument instrument NN 28553 2666 53 . . . 28553 2667 1 THE the DT 28553 2667 2 ORGAN organ NN 28553 2667 3 . . . 28553 2668 1 From from IN 28553 2668 2 the the DT 28553 2668 3 theory theory NN 28553 2668 4 of of IN 28553 2668 5 acoustics[30 acoustics[30 NNP 28553 2668 6 ] ] -RRB- 28553 2668 7 we -PRON- PRP 28553 2668 8 pass pass VBP 28553 2668 9 to to IN 28553 2668 10 the the DT 28553 2668 11 practical practical JJ 28553 2668 12 application application NN 28553 2668 13 , , , 28553 2668 14 and and CC 28553 2668 15 concentrate concentrate VB 28553 2668 16 our -PRON- PRP$ 28553 2668 17 attention attention NN 28553 2668 18 upon upon IN 28553 2668 19 the the DT 28553 2668 20 grandest grand JJS 28553 2668 21 of of IN 28553 2668 22 all all DT 28553 2668 23 wind wind NN 28553 2668 24 instruments instrument NNS 28553 2668 25 , , , 28553 2668 26 the the DT 28553 2668 27 pipe pipe NN 28553 2668 28 organ organ NN 28553 2668 29 . . . 28553 2669 1 This this DT 28553 2669 2 mechanism mechanism NN 28553 2669 3 has have VBZ 28553 2669 4 a a DT 28553 2669 5 separate separate JJ 28553 2669 6 pipe pipe NN 28553 2669 7 for for IN 28553 2669 8 every every DT 28553 2669 9 note note NN 28553 2669 10 , , , 28553 2669 11 properly properly RB 28553 2669 12 proportioned proportion VBN 28553 2669 13 . . . 28553 2670 1 A a DT 28553 2670 2 section section NN 28553 2670 3 of of IN 28553 2670 4 an an DT 28553 2670 5 ordinary ordinary JJ 28553 2670 6 wooden wooden JJ 28553 2670 7 pipe pipe NN 28553 2670 8 is be VBZ 28553 2670 9 given give VBN 28553 2670 10 in in IN 28553 2670 11 Fig Fig NNP 28553 2670 12 . . . 28553 2671 1 138 138 CD 28553 2671 2 . . . 28553 2672 1 Wind wind NN 28553 2672 2 rushes rush VBZ 28553 2672 3 up up RB 28553 2672 4 through through IN 28553 2672 5 the the DT 28553 2672 6 foot foot NN 28553 2672 7 of of IN 28553 2672 8 the the DT 28553 2672 9 pipe pipe NN 28553 2672 10 into into IN 28553 2672 11 a a DT 28553 2672 12 little little JJ 28553 2672 13 chamber chamber NN 28553 2672 14 , , , 28553 2672 15 closed close VBN 28553 2672 16 by by IN 28553 2672 17 a a DT 28553 2672 18 block block NN 28553 2672 19 of of IN 28553 2672 20 wood wood NN 28553 2672 21 or or CC 28553 2672 22 a a DT 28553 2672 23 plate plate NN 28553 2672 24 except except IN 28553 2672 25 for for IN 28553 2672 26 a a DT 28553 2672 27 narrow narrow JJ 28553 2672 28 slit slit NN 28553 2672 29 , , , 28553 2672 30 which which WDT 28553 2672 31 directs direct VBZ 28553 2672 32 it -PRON- PRP 28553 2672 33 against against IN 28553 2672 34 the the DT 28553 2672 35 sharp sharp JJ 28553 2672 36 lip lip NN 28553 2672 37 A a NN 28553 2672 38 , , , 28553 2672 39 and and CC 28553 2672 40 causes cause VBZ 28553 2672 41 a a DT 28553 2672 42 fluttering fluttering NN 28553 2672 43 , , , 28553 2672 44 the the DT 28553 2672 45 proper proper JJ 28553 2672 46 pulse pulse NN 28553 2672 47 of of IN 28553 2672 48 which which WDT 28553 2672 49 is be VBZ 28553 2672 50 converted convert VBN 28553 2672 51 by by IN 28553 2672 52 the the DT 28553 2672 53 air air NN 28553 2672 54 - - HYPH 28553 2672 55 column column NN 28553 2672 56 above above RB 28553 2672 57 into into IN 28553 2672 58 a a DT 28553 2672 59 musical musical JJ 28553 2672 60 sound sound NN 28553 2672 61 . . . 28553 2673 1 [ [ -LRB- 28553 2673 2 Illustration illustration NN 28553 2673 3 : : : 28553 2673 4 FIG FIG NNP 28553 2673 5 . . . 28553 2674 1 138.--Section 138.--section CD 28553 2674 2 of of IN 28553 2674 3 an an DT 28553 2674 4 ordinary ordinary JJ 28553 2674 5 wooden wooden JJ 28553 2674 6 " " `` 28553 2674 7 flue flue JJ 28553 2674 8 " " '' 28553 2674 9 pipe pipe NN 28553 2674 10 . . . 28553 2674 11 ] ] -RRB- 28553 2675 1 In in IN 28553 2675 2 even even RB 28553 2675 3 the the DT 28553 2675 4 smallest small JJS 28553 2675 5 organs organ NNS 28553 2675 6 more more JJR 28553 2675 7 than than IN 28553 2675 8 one one CD 28553 2675 9 pipe pipe NN 28553 2675 10 is be VBZ 28553 2675 11 actuated actuate VBN 28553 2675 12 by by IN 28553 2675 13 one one CD 28553 2675 14 key key NN 28553 2675 15 on on IN 28553 2675 16 the the DT 28553 2675 17 keyboard keyboard NN 28553 2675 18 , , , 28553 2675 19 for for IN 28553 2675 20 not not RB 28553 2675 21 only only RB 28553 2675 22 do do VBP 28553 2675 23 pipes pipe NNS 28553 2675 24 of of IN 28553 2675 25 different different JJ 28553 2675 26 shapes shape NNS 28553 2675 27 give give VBP 28553 2675 28 different different JJ 28553 2675 29 qualities quality NNS 28553 2675 30 of of IN 28553 2675 31 tone tone NN 28553 2675 32 , , , 28553 2675 33 but but CC 28553 2675 34 it -PRON- PRP 28553 2675 35 is be VBZ 28553 2675 36 found find VBN 28553 2675 37 desirable desirable JJ 28553 2675 38 to to TO 28553 2675 39 have have VB 28553 2675 40 ranks rank NNS 28553 2675 41 of of IN 28553 2675 42 pipes pipe NNS 28553 2675 43 with with IN 28553 2675 44 their -PRON- PRP$ 28553 2675 45 bottom bottom JJ 28553 2675 46 note note NN 28553 2675 47 of of IN 28553 2675 48 different different JJ 28553 2675 49 pitches pitch NNS 28553 2675 50 . . . 28553 2676 1 The the DT 28553 2676 2 length length NN 28553 2676 3 of of IN 28553 2676 4 an an DT 28553 2676 5 open open JJ 28553 2676 6 pipe pipe NN 28553 2676 7 is be VBZ 28553 2676 8 measured measure VBN 28553 2676 9 from from IN 28553 2676 10 the the DT 28553 2676 11 edge edge NN 28553 2676 12 of of IN 28553 2676 13 the the DT 28553 2676 14 lip lip NN 28553 2676 15 to to IN 28553 2676 16 the the DT 28553 2676 17 top top NN 28553 2676 18 of of IN 28553 2676 19 the the DT 28553 2676 20 pipe pipe NN 28553 2676 21 ; ; : 28553 2676 22 of of IN 28553 2676 23 a a DT 28553 2676 24 stopped stop VBN 28553 2676 25 pipe pipe NN 28553 2676 26 , , , 28553 2676 27 from from IN 28553 2676 28 the the DT 28553 2676 29 lip lip NN 28553 2676 30 to to IN 28553 2676 31 the the DT 28553 2676 32 top top NN 28553 2676 33 and and CC 28553 2676 34 back back RB 28553 2676 35 again again RB 28553 2676 36 . . . 28553 2677 1 When when WRB 28553 2677 2 we -PRON- PRP 28553 2677 3 speak speak VBP 28553 2677 4 of of IN 28553 2677 5 a a DT 28553 2677 6 16 16 CD 28553 2677 7 or or CC 28553 2677 8 8 8 CD 28553 2677 9 foot foot NN 28553 2677 10 rank rank NN 28553 2677 11 , , , 28553 2677 12 or or CC 28553 2677 13 stop stop VB 28553 2677 14 , , , 28553 2677 15 we -PRON- PRP 28553 2677 16 mean mean VBP 28553 2677 17 one one CD 28553 2677 18 of of IN 28553 2677 19 which which WDT 28553 2677 20 the the DT 28553 2677 21 lowest low JJS 28553 2677 22 note note NN 28553 2677 23 in in IN 28553 2677 24 the the DT 28553 2677 25 rank rank NN 28553 2677 26 is be VBZ 28553 2677 27 that that DT 28553 2677 28 produced produce VBN 28553 2677 29 by by IN 28553 2677 30 a a DT 28553 2677 31 16 16 CD 28553 2677 32 or or CC 28553 2677 33 8 8 CD 28553 2677 34 foot foot NN 28553 2677 35 open open JJ 28553 2677 36 pipe pipe NN 28553 2677 37 , , , 28553 2677 38 or or CC 28553 2677 39 their -PRON- PRP$ 28553 2677 40 stopped stop VBN 28553 2677 41 equivalents equivalent NNS 28553 2677 42 ( ( -LRB- 28553 2677 43 8 8 CD 28553 2677 44 or or CC 28553 2677 45 4 4 CD 28553 2677 46 foot foot NN 28553 2677 47 ) ) -RRB- 28553 2677 48 . . . 28553 2678 1 In in IN 28553 2678 2 a a DT 28553 2678 3 big big JJ 28553 2678 4 organ organ NN 28553 2678 5 we -PRON- PRP 28553 2678 6 find find VBP 28553 2678 7 32 32 CD 28553 2678 8 , , , 28553 2678 9 16 16 CD 28553 2678 10 , , , 28553 2678 11 8 8 CD 28553 2678 12 , , , 28553 2678 13 4 4 CD 28553 2678 14 , , , 28553 2678 15 and and CC 28553 2678 16 2 2 CD 28553 2678 17 foot foot NN 28553 2678 18 stops stop VBZ 28553 2678 19 , , , 28553 2678 20 and and CC 28553 2678 21 some some DT 28553 2678 22 of of IN 28553 2678 23 these these DT 28553 2678 24 repeated repeat VBD 28553 2678 25 a a DT 28553 2678 26 number number NN 28553 2678 27 of of IN 28553 2678 28 times time NNS 28553 2678 29 in in IN 28553 2678 30 pipes pipe NNS 28553 2678 31 of of IN 28553 2678 32 different different JJ 28553 2678 33 shape shape NN 28553 2678 34 and and CC 28553 2678 35 construction construction NN 28553 2678 36 . . . 28553 2679 1 THE the DT 28553 2679 2 ARRANGEMENT ARRANGEMENT NNP 28553 2679 3 OF of IN 28553 2679 4 THE the DT 28553 2679 5 PIPES pipes NN 28553 2679 6 . . . 28553 2680 1 We -PRON- PRP 28553 2680 2 will will MD 28553 2680 3 now now RB 28553 2680 4 study study VB 28553 2680 5 briefly briefly RB 28553 2680 6 the the DT 28553 2680 7 mechanism mechanism NN 28553 2680 8 of of IN 28553 2680 9 a a DT 28553 2680 10 very very RB 28553 2680 11 simple simple JJ 28553 2680 12 single single JJ 28553 2680 13 - - HYPH 28553 2680 14 keyboard keyboard NN 28553 2680 15 organ organ NN 28553 2680 16 , , , 28553 2680 17 with with IN 28553 2680 18 five five CD 28553 2680 19 ranks rank NNS 28553 2680 20 of of IN 28553 2680 21 pipes pipe NNS 28553 2680 22 , , , 28553 2680 23 or or CC 28553 2680 24 stops stop NNS 28553 2680 25 . . . 28553 2681 1 [ [ -LRB- 28553 2681 2 Illustration illustration NN 28553 2681 3 : : : 28553 2681 4 FIG FIG NNP 28553 2681 5 . . . 28553 2682 1 139.--The 139.--the CD 28553 2682 2 table table NN 28553 2682 3 of of IN 28553 2682 4 a a DT 28553 2682 5 sound sound JJ 28553 2682 6 - - HYPH 28553 2682 7 board board NN 28553 2682 8 . . . 28553 2682 9 ] ] -RRB- 28553 2683 1 It -PRON- PRP 28553 2683 2 is be VBZ 28553 2683 3 necessary necessary JJ 28553 2683 4 to to TO 28553 2683 5 arrange arrange VB 28553 2683 6 matters matter NNS 28553 2683 7 so so IN 28553 2683 8 that that IN 28553 2683 9 the the DT 28553 2683 10 pressing press VBG 28553 2683 11 down down RP 28553 2683 12 of of IN 28553 2683 13 one one CD 28553 2683 14 key key NN 28553 2683 15 may may MD 28553 2683 16 make make VB 28553 2683 17 all all DT 28553 2683 18 five five CD 28553 2683 19 of of IN 28553 2683 20 the the DT 28553 2683 21 pipes pipe NNS 28553 2683 22 belonging belong VBG 28553 2683 23 to to IN 28553 2683 24 it -PRON- PRP 28553 2683 25 speak speak VB 28553 2683 26 , , , 28553 2683 27 or or CC 28553 2683 28 only only RB 28553 2683 29 four four CD 28553 2683 30 , , , 28553 2683 31 three three CD 28553 2683 32 , , , 28553 2683 33 two two CD 28553 2683 34 , , , 28553 2683 35 or or CC 28553 2683 36 one one CD 28553 2683 37 , , , 28553 2683 38 as as IN 28553 2683 39 we -PRON- PRP 28553 2683 40 may may MD 28553 2683 41 desire desire VB 28553 2683 42 . . . 28553 2684 1 The the DT 28553 2684 2 pipes pipe NNS 28553 2684 3 are be VBP 28553 2684 4 mounted mount VBN 28553 2684 5 in in IN 28553 2684 6 rows row NNS 28553 2684 7 on on IN 28553 2684 8 a a DT 28553 2684 9 _ _ NNP 28553 2684 10 sound sound NN 28553 2684 11 - - HYPH 28553 2684 12 board board NN 28553 2684 13 _ _ NNP 28553 2684 14 , , , 28553 2684 15 which which WDT 28553 2684 16 is be VBZ 28553 2684 17 built build VBN 28553 2684 18 up up RP 28553 2684 19 in in IN 28553 2684 20 several several JJ 28553 2684 21 layers layer NNS 28553 2684 22 . . . 28553 2685 1 At at IN 28553 2685 2 the the DT 28553 2685 3 top top NN 28553 2685 4 is be VBZ 28553 2685 5 the the DT 28553 2685 6 _ _ NNP 28553 2685 7 upper upper NNP 28553 2685 8 board board NN 28553 2685 9 _ _ NNP 28553 2685 10 ; ; : 28553 2685 11 below below IN 28553 2685 12 it -PRON- PRP 28553 2685 13 come come VBP 28553 2685 14 the the DT 28553 2685 15 _ _ NNP 28553 2685 16 sliders slider NNS 28553 2685 17 _ _ NNP 28553 2685 18 , , , 28553 2685 19 one one CD 28553 2685 20 for for IN 28553 2685 21 each each DT 28553 2685 22 stop stop NN 28553 2685 23 ; ; : 28553 2685 24 and and CC 28553 2685 25 underneath underneath IN 28553 2685 26 that that WDT 28553 2685 27 the the DT 28553 2685 28 _ _ NNP 28553 2685 29 table table NN 28553 2685 30 _ _ NNP 28553 2685 31 . . . 28553 2686 1 In in IN 28553 2686 2 Fig Fig NNP 28553 2686 3 . . . 28553 2687 1 139 139 CD 28553 2687 2 we -PRON- PRP 28553 2687 3 see see VBP 28553 2687 4 part part NN 28553 2687 5 of of IN 28553 2687 6 the the DT 28553 2687 7 table table NN 28553 2687 8 from from IN 28553 2687 9 below below RB 28553 2687 10 . . . 28553 2688 1 Across across IN 28553 2688 2 the the DT 28553 2688 3 under under JJ 28553 2688 4 side side NN 28553 2688 5 are be VBP 28553 2688 6 fastened fasten VBN 28553 2688 7 parallel parallel JJ 28553 2688 8 bars bar NNS 28553 2688 9 with with IN 28553 2688 10 spaces space NNS 28553 2688 11 ( ( -LRB- 28553 2688 12 shown show VBN 28553 2688 13 black black JJ 28553 2688 14 ) ) -RRB- 28553 2688 15 left leave VBD 28553 2688 16 between between IN 28553 2688 17 them -PRON- PRP 28553 2688 18 . . . 28553 2689 1 Two two CD 28553 2689 2 other other JJ 28553 2689 3 bars bar NNS 28553 2689 4 are be VBP 28553 2689 5 fastened fasten VBN 28553 2689 6 across across IN 28553 2689 7 the the DT 28553 2689 8 ends end NNS 28553 2689 9 , , , 28553 2689 10 so so IN 28553 2689 11 that that IN 28553 2689 12 each each DT 28553 2689 13 groove groove NN 28553 2689 14 is be VBZ 28553 2689 15 enclosed enclose VBN 28553 2689 16 by by IN 28553 2689 17 wood wood NN 28553 2689 18 at at IN 28553 2689 19 the the DT 28553 2689 20 top top NN 28553 2689 21 and and CC 28553 2689 22 on on IN 28553 2689 23 all all DT 28553 2689 24 sides side NNS 28553 2689 25 . . . 28553 2690 1 The the DT 28553 2690 2 under under JJ 28553 2690 3 side side NN 28553 2690 4 of of IN 28553 2690 5 the the DT 28553 2690 6 table table NN 28553 2690 7 has have VBZ 28553 2690 8 sheets sheet NNS 28553 2690 9 of of IN 28553 2690 10 leather leather NN 28553 2690 11 glued glue VBN 28553 2690 12 or or CC 28553 2690 13 otherwise otherwise RB 28553 2690 14 attached attach VBN 28553 2690 15 to to IN 28553 2690 16 it -PRON- PRP 28553 2690 17 in in IN 28553 2690 18 such such PDT 28553 2690 19 a a DT 28553 2690 20 manner manner NN 28553 2690 21 that that IN 28553 2690 22 no no DT 28553 2690 23 air air NN 28553 2690 24 can can MD 28553 2690 25 leak leak VB 28553 2690 26 from from IN 28553 2690 27 one one CD 28553 2690 28 groove groove NN 28553 2690 29 to to IN 28553 2690 30 the the DT 28553 2690 31 next next JJ 28553 2690 32 . . . 28553 2691 1 Upper Upper NNP 28553 2691 2 board board NN 28553 2691 3 , , , 28553 2691 4 sliders slider NNS 28553 2691 5 , , , 28553 2691 6 and and CC 28553 2691 7 table table NN 28553 2691 8 are be VBP 28553 2691 9 pierced pierce VBN 28553 2691 10 with with IN 28553 2691 11 rows row NNS 28553 2691 12 of of IN 28553 2691 13 holes hole NNS 28553 2691 14 , , , 28553 2691 15 to to TO 28553 2691 16 permit permit VB 28553 2691 17 the the DT 28553 2691 18 passage passage NN 28553 2691 19 of of IN 28553 2691 20 wind wind NN 28553 2691 21 from from IN 28553 2691 22 the the DT 28553 2691 23 grooves groove NNS 28553 2691 24 to to IN 28553 2691 25 the the DT 28553 2691 26 pipes pipe NNS 28553 2691 27 . . . 28553 2692 1 The the DT 28553 2692 2 grooves groove NNS 28553 2692 3 under under IN 28553 2692 4 the the DT 28553 2692 5 big big JJ 28553 2692 6 pipes pipe NNS 28553 2692 7 are be VBP 28553 2692 8 wider wide JJR 28553 2692 9 than than IN 28553 2692 10 those those DT 28553 2692 11 under under IN 28553 2692 12 the the DT 28553 2692 13 small small JJ 28553 2692 14 pipes pipe NNS 28553 2692 15 , , , 28553 2692 16 as as IN 28553 2692 17 they -PRON- PRP 28553 2692 18 have have VBP 28553 2692 19 to to TO 28553 2692 20 pass pass VB 28553 2692 21 more more JJR 28553 2692 22 air air NN 28553 2692 23 . . . 28553 2693 1 The the DT 28553 2693 2 bars bar NNS 28553 2693 3 between between IN 28553 2693 4 the the DT 28553 2693 5 grooves groove NNS 28553 2693 6 also also RB 28553 2693 7 vary vary VBP 28553 2693 8 in in IN 28553 2693 9 width width NN 28553 2693 10 according accord VBG 28553 2693 11 to to IN 28553 2693 12 the the DT 28553 2693 13 weight weight NN 28553 2693 14 of of IN 28553 2693 15 the the DT 28553 2693 16 pipes pipe NNS 28553 2693 17 which which WDT 28553 2693 18 they -PRON- PRP 28553 2693 19 have have VBP 28553 2693 20 to to TO 28553 2693 21 carry carry VB 28553 2693 22 . . . 28553 2694 1 The the DT 28553 2694 2 sliders slider NNS 28553 2694 3 can can MD 28553 2694 4 be be VB 28553 2694 5 moved move VBN 28553 2694 6 in in RB 28553 2694 7 and and CC 28553 2694 8 out out IN 28553 2694 9 a a DT 28553 2694 10 short short JJ 28553 2694 11 distance distance NN 28553 2694 12 in in IN 28553 2694 13 the the DT 28553 2694 14 direction direction NN 28553 2694 15 of of IN 28553 2694 16 the the DT 28553 2694 17 axis axi NNS 28553 2694 18 of of IN 28553 2694 19 the the DT 28553 2694 20 rows row NNS 28553 2694 21 of of IN 28553 2694 22 pipes pipe NNS 28553 2694 23 . . . 28553 2695 1 There there EX 28553 2695 2 is be VBZ 28553 2695 3 one one CD 28553 2695 4 slider slider NN 28553 2695 5 under under IN 28553 2695 6 each each DT 28553 2695 7 row row NN 28553 2695 8 . . . 28553 2696 1 When when WRB 28553 2696 2 a a DT 28553 2696 3 slider slider NN 28553 2696 4 is be VBZ 28553 2696 5 in in IN 28553 2696 6 , , , 28553 2696 7 the the DT 28553 2696 8 holes hole NNS 28553 2696 9 in in IN 28553 2696 10 it -PRON- PRP 28553 2696 11 do do VBP 28553 2696 12 not not RB 28553 2696 13 correspond correspond VB 28553 2696 14 with with IN 28553 2696 15 those those DT 28553 2696 16 in in IN 28553 2696 17 the the DT 28553 2696 18 table table NN 28553 2696 19 and and CC 28553 2696 20 upper upper JJ 28553 2696 21 board board NN 28553 2696 22 , , , 28553 2696 23 so so IN 28553 2696 24 that that IN 28553 2696 25 no no DT 28553 2696 26 wind wind NN 28553 2696 27 can can MD 28553 2696 28 get get VB 28553 2696 29 from from IN 28553 2696 30 the the DT 28553 2696 31 grooves groove NNS 28553 2696 32 to to IN 28553 2696 33 the the DT 28553 2696 34 rank rank NN 28553 2696 35 over over IN 28553 2696 36 that that DT 28553 2696 37 particular particular JJ 28553 2696 38 slider slider NN 28553 2696 39 . . . 28553 2697 1 Fig fig NN 28553 2697 2 . . . 28553 2698 1 140 140 CD 28553 2698 2 shows show VBZ 28553 2698 3 the the DT 28553 2698 4 manner manner NN 28553 2698 5 in in IN 28553 2698 6 which which WDT 28553 2698 7 the the DT 28553 2698 8 sliders slider NNS 28553 2698 9 are be VBP 28553 2698 10 operated operate VBN 28553 2698 11 by by IN 28553 2698 12 the the DT 28553 2698 13 little little JJ 28553 2698 14 knobs knob NNS 28553 2698 15 ( ( -LRB- 28553 2698 16 also also RB 28553 2698 17 called call VBN 28553 2698 18 stops stop NNS 28553 2698 19 ) ) -RRB- 28553 2698 20 projecting project VBG 28553 2698 21 from from IN 28553 2698 22 the the DT 28553 2698 23 casing casing NN 28553 2698 24 of of IN 28553 2698 25 the the DT 28553 2698 26 organ organ NN 28553 2698 27 within within IN 28553 2698 28 convenient convenient JJ 28553 2698 29 reach reach NN 28553 2698 30 of of IN 28553 2698 31 the the DT 28553 2698 32 performer performer NN 28553 2698 33 's 's POS 28553 2698 34 hands hand NNS 28553 2698 35 . . . 28553 2699 1 One one CD 28553 2699 2 stop stop NN 28553 2699 3 is be VBZ 28553 2699 4 in in IN 28553 2699 5 , , , 28553 2699 6 the the DT 28553 2699 7 other other JJ 28553 2699 8 drawn draw VBD 28553 2699 9 out out RP 28553 2699 10 . . . 28553 2700 1 [ [ -LRB- 28553 2700 2 Illustration illustration NN 28553 2700 3 : : : 28553 2700 4 FIG FIG NNP 28553 2700 5 . . . 28553 2701 1 140 140 CD 28553 2701 2 . . . 28553 2701 3 ] ] -RRB- 28553 2702 1 In in IN 28553 2702 2 Fig Fig NNP 28553 2702 3 . . . 28553 2703 1 141 141 CD 28553 2703 2 we -PRON- PRP 28553 2703 3 see see VBP 28553 2703 4 the the DT 28553 2703 5 table table NN 28553 2703 6 , , , 28553 2703 7 etc etc FW 28553 2703 8 . . FW 28553 2703 9 , , , 28553 2703 10 in in IN 28553 2703 11 cross cross NN 28553 2703 12 section section NN 28553 2703 13 , , , 28553 2703 14 with with IN 28553 2703 15 a a DT 28553 2703 16 slider slider NN 28553 2703 17 out out RP 28553 2703 18 , , , 28553 2703 19 putting put VBG 28553 2703 20 the the DT 28553 2703 21 pipes pipe NNS 28553 2703 22 of of IN 28553 2703 23 its -PRON- PRP$ 28553 2703 24 rank rank NN 28553 2703 25 in in IN 28553 2703 26 communication communication NN 28553 2703 27 with with IN 28553 2703 28 the the DT 28553 2703 29 grooves groove NNS 28553 2703 30 . . . 28553 2704 1 The the DT 28553 2704 2 same same JJ 28553 2704 3 diagram diagram NN 28553 2704 4 shows show VBZ 28553 2704 5 us -PRON- PRP 28553 2704 6 in in IN 28553 2704 7 section section NN 28553 2704 8 the the DT 28553 2704 9 little little JJ 28553 2704 10 triangular triangular NNP 28553 2704 11 _ _ NNP 28553 2704 12 pallets pallet NNS 28553 2704 13 _ _ NNP 28553 2704 14 which which WDT 28553 2704 15 admit admit VBP 28553 2704 16 air air NN 28553 2704 17 from from IN 28553 2704 18 the the DT 28553 2704 19 _ _ NNP 28553 2704 20 wind wind NN 28553 2704 21 - - HYPH 28553 2704 22 chest chest NN 28553 2704 23 _ _ NNP 28553 2704 24 to to IN 28553 2704 25 the the DT 28553 2704 26 grooves groove NNS 28553 2704 27 ; ; : 28553 2704 28 and and CC 28553 2704 29 Fig Fig NNP 28553 2704 30 . . . 28553 2705 1 142 142 CD 28553 2705 2 gives give VBZ 28553 2705 3 us -PRON- PRP 28553 2705 4 an an DT 28553 2705 5 end end NN 28553 2705 6 section section NN 28553 2705 7 of of IN 28553 2705 8 table table NN 28553 2705 9 , , , 28553 2705 10 sliders slider NNS 28553 2705 11 , , , 28553 2705 12 and and CC 28553 2705 13 wind wind NN 28553 2705 14 - - HYPH 28553 2705 15 chest chest NN 28553 2705 16 , , , 28553 2705 17 together together RB 28553 2705 18 with with IN 28553 2705 19 the the DT 28553 2705 20 rods rod NNS 28553 2705 21 , , , 28553 2705 22 etc etc FW 28553 2705 23 . . FW 28553 2705 24 , , , 28553 2705 25 connecting connect VBG 28553 2705 26 the the DT 28553 2705 27 key key NN 28553 2705 28 to to IN 28553 2705 29 its -PRON- PRP$ 28553 2705 30 pallet pallet NN 28553 2705 31 . . . 28553 2706 1 When when WRB 28553 2706 2 the the DT 28553 2706 3 key key NN 28553 2706 4 is be VBZ 28553 2706 5 depressed depressed JJ 28553 2706 6 , , , 28553 2706 7 the the DT 28553 2706 8 _ _ NNP 28553 2706 9 sticker sticker NN 28553 2706 10 _ _ NNP 28553 2706 11 ( ( -LRB- 28553 2706 12 a a DT 28553 2706 13 slight slight JJ 28553 2706 14 wooden wooden JJ 28553 2706 15 rod rod NN 28553 2706 16 ) ) -RRB- 28553 2706 17 is be VBZ 28553 2706 18 pushed push VBN 28553 2706 19 up up RP 28553 2706 20 . . . 28553 2707 1 This this DT 28553 2707 2 rocks rock VBZ 28553 2707 3 a a DT 28553 2707 4 _ _ NNP 28553 2707 5 backfall backfall NN 28553 2707 6 _ _ NNP 28553 2707 7 , , , 28553 2707 8 or or CC 28553 2707 9 pivoted pivot VBN 28553 2707 10 lever lever NN 28553 2707 11 , , , 28553 2707 12 to to TO 28553 2707 13 which which WDT 28553 2707 14 is be VBZ 28553 2707 15 attached attach VBN 28553 2707 16 the the DT 28553 2707 17 _ _ NNP 28553 2707 18 pulldown pulldown NN 28553 2707 19 _ _ NNP 28553 2707 20 , , , 28553 2707 21 a a DT 28553 2707 22 wire wire NN 28553 2707 23 penetrating penetrate VBG 28553 2707 24 the the DT 28553 2707 25 bottom bottom NN 28553 2707 26 of of IN 28553 2707 27 the the DT 28553 2707 28 wind wind NN 28553 2707 29 - - : 28553 2707 30 chest chest NN 28553 2707 31 to to IN 28553 2707 32 the the DT 28553 2707 33 pallet pallet NN 28553 2707 34 . . . 28553 2708 1 As as RB 28553 2708 2 soon soon RB 28553 2708 3 as as IN 28553 2708 4 the the DT 28553 2708 5 pallet pallet NN 28553 2708 6 opens open VBZ 28553 2708 7 , , , 28553 2708 8 wind wind NN 28553 2708 9 rushes rush VBZ 28553 2708 10 into into IN 28553 2708 11 the the DT 28553 2708 12 groove groove NN 28553 2708 13 above above IN 28553 2708 14 through through IN 28553 2708 15 the the DT 28553 2708 16 aperture aperture NN 28553 2708 17 in in IN 28553 2708 18 the the DT 28553 2708 19 leather leather NN 28553 2708 20 bottom bottom NN 28553 2708 21 , , , 28553 2708 22 and and CC 28553 2708 23 thence thence NN 28553 2708 24 to to IN 28553 2708 25 any any DT 28553 2708 26 one one CD 28553 2708 27 of of IN 28553 2708 28 the the DT 28553 2708 29 pipes pipe NNS 28553 2708 30 of of IN 28553 2708 31 which which WDT 28553 2708 32 the the DT 28553 2708 33 slider slider NN 28553 2708 34 has have VBZ 28553 2708 35 been be VBN 28553 2708 36 drawn draw VBN 28553 2708 37 out out RP 28553 2708 38 . . . 28553 2709 1 ( ( -LRB- 28553 2709 2 The the DT 28553 2709 3 sliders slider NNS 28553 2709 4 in in IN 28553 2709 5 Fig Fig NNP 28553 2709 6 . . . 28553 2710 1 142 142 CD 28553 2710 2 are be VBP 28553 2710 3 solid solid JJ 28553 2710 4 black black JJ 28553 2710 5 . . . 28553 2710 6 ) ) -RRB- 28553 2711 1 It -PRON- PRP 28553 2711 2 is be VBZ 28553 2711 3 evident evident JJ 28553 2711 4 that that IN 28553 2711 5 if if IN 28553 2711 6 the the DT 28553 2711 7 sound sound NN 28553 2711 8 - - HYPH 28553 2711 9 board board NN 28553 2711 10 is be VBZ 28553 2711 11 sufficiently sufficiently RB 28553 2711 12 deep deep JJ 28553 2711 13 from from IN 28553 2711 14 back back RB 28553 2711 15 to to IN 28553 2711 16 front front NN 28553 2711 17 , , , 28553 2711 18 any any DT 28553 2711 19 number number NN 28553 2711 20 of of IN 28553 2711 21 rows row NNS 28553 2711 22 of of IN 28553 2711 23 pipes pipe NNS 28553 2711 24 may may MD 28553 2711 25 be be VB 28553 2711 26 placed place VBN 28553 2711 27 on on IN 28553 2711 28 it -PRON- PRP 28553 2711 29 . . . 28553 2712 1 [ [ -LRB- 28553 2712 2 Illustration illustration NN 28553 2712 3 : : : 28553 2712 4 FIG FIG NNP 28553 2712 5 . . . 28553 2713 1 141 141 CD 28553 2713 2 . . . 28553 2713 3 ] ] -RRB- 28553 2714 1 PEDALS pedal NNS 28553 2714 2 . . . 28553 2715 1 The the DT 28553 2715 2 organ organ NN 28553 2715 3 pedals pedal NNS 28553 2715 4 are be VBP 28553 2715 5 connected connect VBN 28553 2715 6 to to IN 28553 2715 7 the the DT 28553 2715 8 pallets pallet NNS 28553 2715 9 by by IN 28553 2715 10 an an DT 28553 2715 11 action action NN 28553 2715 12 similar similar JJ 28553 2715 13 to to IN 28553 2715 14 that that DT 28553 2715 15 of of IN 28553 2715 16 the the DT 28553 2715 17 keys key NNS 28553 2715 18 . . . 28553 2716 1 The the DT 28553 2716 2 pedal pedal NN 28553 2716 3 stops stop NNS 28553 2716 4 are be VBP 28553 2716 5 generally generally RB 28553 2716 6 of of IN 28553 2716 7 deep deep JJ 28553 2716 8 tone tone NN 28553 2716 9 , , , 28553 2716 10 32-foot 32-foot CD 28553 2716 11 and and CC 28553 2716 12 16-foot 16-foot CD 28553 2716 13 , , , 28553 2716 14 as as IN 28553 2716 15 they -PRON- PRP 28553 2716 16 have have VBP 28553 2716 17 to to TO 28553 2716 18 sustain sustain VB 28553 2716 19 the the DT 28553 2716 20 bass bass NN 28553 2716 21 part part NN 28553 2716 22 of of IN 28553 2716 23 the the DT 28553 2716 24 musical musical JJ 28553 2716 25 harmonies harmony NNS 28553 2716 26 . . . 28553 2717 1 By by IN 28553 2717 2 means mean NNS 28553 2717 3 of of IN 28553 2717 4 _ _ NNP 28553 2717 5 couplers coupler NNS 28553 2717 6 _ _ NNP 28553 2717 7 one one CD 28553 2717 8 or or CC 28553 2717 9 more more JJR 28553 2717 10 of of IN 28553 2717 11 the the DT 28553 2717 12 keyboard keyboard NN 28553 2717 13 stops stop NNS 28553 2717 14 may may MD 28553 2717 15 be be VB 28553 2717 16 linked link VBN 28553 2717 17 to to IN 28553 2717 18 the the DT 28553 2717 19 pedals pedal NNS 28553 2717 20 . . . 28553 2718 1 SEPARATE separate JJ 28553 2718 2 SOUND sound NN 28553 2718 3 - - HYPH 28553 2718 4 BOARDS BOARDS NNP 28553 2718 5 . . . 28553 2719 1 The the DT 28553 2719 2 keyboard keyboard NN 28553 2719 3 of of IN 28553 2719 4 a a DT 28553 2719 5 very very RB 28553 2719 6 large large JJ 28553 2719 7 organ organ NN 28553 2719 8 has have VBZ 28553 2719 9 as as RB 28553 2719 10 many many JJ 28553 2719 11 as as IN 28553 2719 12 five five CD 28553 2719 13 _ _ NNP 28553 2719 14 manuals manual NNS 28553 2719 15 _ _ NNP 28553 2719 16 , , , 28553 2719 17 or or CC 28553 2719 18 rows row NNS 28553 2719 19 of of IN 28553 2719 20 keys key NNS 28553 2719 21 . . . 28553 2720 1 Each each DT 28553 2720 2 manual manual NN 28553 2720 3 operates operate VBZ 28553 2720 4 what what WP 28553 2720 5 is be VBZ 28553 2720 6 practically practically RB 28553 2720 7 a a DT 28553 2720 8 separate separate JJ 28553 2720 9 organ organ NN 28553 2720 10 mounted mount VBN 28553 2720 11 on on IN 28553 2720 12 its -PRON- PRP$ 28553 2720 13 own own JJ 28553 2720 14 sound sound NN 28553 2720 15 - - HYPH 28553 2720 16 board board NN 28553 2720 17 . . . 28553 2721 1 [ [ -LRB- 28553 2721 2 Illustration illustration NN 28553 2721 3 : : : 28553 2721 4 FIG FIG NNP 28553 2721 5 . . . 28553 2722 1 142 142 CD 28553 2722 2 . . . 28553 2722 3 ] ] -RRB- 28553 2723 1 [ [ -LRB- 28553 2723 2 Illustration illustration NN 28553 2723 3 : : : 28553 2723 4 FIG FIG NNP 28553 2723 5 . . . 28553 2724 1 143.--General 143.--general CD 28553 2724 2 section section NN 28553 2724 3 of of IN 28553 2724 4 a a DT 28553 2724 5 two two CD 28553 2724 6 - - HYPH 28553 2724 7 manual manual JJ 28553 2724 8 organ organ NN 28553 2724 9 . . . 28553 2724 10 ] ] -RRB- 28553 2725 1 The the DT 28553 2725 2 manuals manual NNS 28553 2725 3 are be VBP 28553 2725 4 arranged arrange VBN 28553 2725 5 in in IN 28553 2725 6 steps step NNS 28553 2725 7 , , , 28553 2725 8 each each DT 28553 2725 9 slightly slightly RB 28553 2725 10 overhanging overhanging JJ 28553 2725 11 that that IN 28553 2725 12 below below RB 28553 2725 13 . . . 28553 2726 1 Taken take VBN 28553 2726 2 in in IN 28553 2726 3 order order NN 28553 2726 4 from from IN 28553 2726 5 the the DT 28553 2726 6 top top NN 28553 2726 7 , , , 28553 2726 8 they -PRON- PRP 28553 2726 9 are:--(1 are:--(1 VBP 28553 2726 10 . . . 28553 2726 11 ) ) -RRB- 28553 2727 1 _ _ NNP 28553 2727 2 Echo Echo NNP 28553 2727 3 organ organ NN 28553 2727 4 _ _ NNP 28553 2727 5 , , , 28553 2727 6 of of IN 28553 2727 7 stops stop NNS 28553 2727 8 of of IN 28553 2727 9 small small JJ 28553 2727 10 scale scale NN 28553 2727 11 and and CC 28553 2727 12 very very RB 28553 2727 13 soft soft JJ 28553 2727 14 tone tone NN 28553 2727 15 , , , 28553 2727 16 enclosed enclose VBN 28553 2727 17 in in IN 28553 2727 18 a a DT 28553 2727 19 " " `` 28553 2727 20 swell swell NN 28553 2727 21 - - HYPH 28553 2727 22 box box NN 28553 2727 23 . . . 28553 2727 24 " " '' 28553 2728 1 ( ( -LRB- 28553 2728 2 2 2 CD 28553 2728 3 . . . 28553 2728 4 ) ) -RRB- 28553 2729 1 _ _ NNP 28553 2729 2 Solo Solo NNP 28553 2729 3 organ organ NN 28553 2729 4 _ _ NNP 28553 2729 5 , , , 28553 2729 6 of of IN 28553 2729 7 stops stop NNS 28553 2729 8 imitating imitate VBG 28553 2729 9 orchestral orchestral JJ 28553 2729 10 instruments instrument NNS 28553 2729 11 . . . 28553 2730 1 The the DT 28553 2730 2 wonderful wonderful JJ 28553 2730 3 " " `` 28553 2730 4 vox vox NNP 28553 2730 5 humana humana NNP 28553 2730 6 " " '' 28553 2730 7 stop stop VB 28553 2730 8 also also RB 28553 2730 9 belongs belong VBZ 28553 2730 10 to to IN 28553 2730 11 this this DT 28553 2730 12 manual manual NN 28553 2730 13 . . . 28553 2731 1 ( ( -LRB- 28553 2731 2 3 3 CD 28553 2731 3 . . . 28553 2731 4 ) ) -RRB- 28553 2732 1 _ _ NNP 28553 2732 2 Swell Swell NNP 28553 2732 3 organ organ NN 28553 2732 4 _ _ NNP 28553 2732 5 , , , 28553 2732 6 contained contain VBN 28553 2732 7 in in IN 28553 2732 8 a a DT 28553 2732 9 swell swell NN 28553 2732 10 - - HYPH 28553 2732 11 box box NN 28553 2732 12 , , , 28553 2732 13 the the DT 28553 2732 14 front front NN 28553 2732 15 and and CC 28553 2732 16 sides side NNS 28553 2732 17 of of IN 28553 2732 18 which which WDT 28553 2732 19 have have VBP 28553 2732 20 shutters shutter NNS 28553 2732 21 which which WDT 28553 2732 22 can can MD 28553 2732 23 be be VB 28553 2732 24 opened open VBN 28553 2732 25 and and CC 28553 2732 26 closed close VBN 28553 2732 27 by by IN 28553 2732 28 the the DT 28553 2732 29 pressure pressure NN 28553 2732 30 of of IN 28553 2732 31 the the DT 28553 2732 32 foot foot NN 28553 2732 33 on on IN 28553 2732 34 a a DT 28553 2732 35 lever lever NN 28553 2732 36 , , , 28553 2732 37 so so IN 28553 2732 38 as as IN 28553 2732 39 to to TO 28553 2732 40 regulate regulate VB 28553 2732 41 the the DT 28553 2732 42 amount amount NN 28553 2732 43 of of IN 28553 2732 44 sound sound NN 28553 2732 45 proceeding proceed VBG 28553 2732 46 from from IN 28553 2732 47 the the DT 28553 2732 48 pipes pipe NNS 28553 2732 49 inside inside RB 28553 2732 50 . . . 28553 2733 1 ( ( -LRB- 28553 2733 2 4 4 CD 28553 2733 3 . . . 28553 2733 4 ) ) -RRB- 28553 2734 1 _ _ NNP 28553 2734 2 Great great JJ 28553 2734 3 organ organ NN 28553 2734 4 _ _ NNP 28553 2734 5 , , , 28553 2734 6 including include VBG 28553 2734 7 pipes pipe NNS 28553 2734 8 of of IN 28553 2734 9 powerful powerful JJ 28553 2734 10 tone tone NN 28553 2734 11 . . . 28553 2735 1 ( ( -LRB- 28553 2735 2 5 5 CD 28553 2735 3 . . . 28553 2735 4 ) ) -RRB- 28553 2736 1 _ _ NNP 28553 2736 2 Choir Choir NNP 28553 2736 3 organ organ NN 28553 2736 4 _ _ NNP 28553 2736 5 , , , 28553 2736 6 of of IN 28553 2736 7 soft soft JJ 28553 2736 8 , , , 28553 2736 9 mellow mellow JJ 28553 2736 10 stops stop NNS 28553 2736 11 , , , 28553 2736 12 often often RB 28553 2736 13 enclosed enclose VBD 28553 2736 14 in in IN 28553 2736 15 a a DT 28553 2736 16 swell swell NN 28553 2736 17 - - HYPH 28553 2736 18 box box NN 28553 2736 19 . . . 28553 2737 1 We -PRON- PRP 28553 2737 2 may may MD 28553 2737 3 add add VB 28553 2737 4 to to IN 28553 2737 5 these these DT 28553 2737 6 the the DT 28553 2737 7 _ _ NNP 28553 2737 8 pedal pedal NN 28553 2737 9 organ organ NNP 28553 2737 10 _ _ NNP 28553 2737 11 , , , 28553 2737 12 which which WDT 28553 2737 13 can can MD 28553 2737 14 be be VB 28553 2737 15 coupled couple VBN 28553 2737 16 to to IN 28553 2737 17 any any DT 28553 2737 18 but but IN 28553 2737 19 the the DT 28553 2737 20 echo echo NN 28553 2737 21 manual manual NNP 28553 2737 22 . . . 28553 2738 1 VARIETIES varieties JJ 28553 2738 2 OF of IN 28553 2738 3 STOPS STOPS NNP 28553 2738 4 . . . 28553 2739 1 We -PRON- PRP 28553 2739 2 have have VBP 28553 2739 3 already already RB 28553 2739 4 remarked remark VBN 28553 2739 5 that that IN 28553 2739 6 the the DT 28553 2739 7 quality quality NN 28553 2739 8 of of IN 28553 2739 9 a a DT 28553 2739 10 stop stop NN 28553 2739 11 depends depend VBZ 28553 2739 12 on on IN 28553 2739 13 the the DT 28553 2739 14 shape shape NN 28553 2739 15 and and CC 28553 2739 16 construction construction NN 28553 2739 17 of of IN 28553 2739 18 the the DT 28553 2739 19 pipe pipe NN 28553 2739 20 . . . 28553 2740 1 Some some DT 28553 2740 2 pipes pipe NNS 28553 2740 3 are be VBP 28553 2740 4 of of IN 28553 2740 5 wood wood NN 28553 2740 6 , , , 28553 2740 7 others other NNS 28553 2740 8 of of IN 28553 2740 9 metal metal NN 28553 2740 10 . . . 28553 2741 1 Some some DT 28553 2741 2 are be VBP 28553 2741 3 rectangular rectangular JJ 28553 2741 4 , , , 28553 2741 5 others other NNS 28553 2741 6 circular circular JJ 28553 2741 7 . . . 28553 2742 1 Some some DT 28553 2742 2 have have VBP 28553 2742 3 parallel parallel JJ 28553 2742 4 sides side NNS 28553 2742 5 , , , 28553 2742 6 others other NNS 28553 2742 7 taper taper NN 28553 2742 8 or or CC 28553 2742 9 expand expand VB 28553 2742 10 towards towards IN 28553 2742 11 the the DT 28553 2742 12 top top NN 28553 2742 13 . . . 28553 2743 1 Some some DT 28553 2743 2 are be VBP 28553 2743 3 open open JJ 28553 2743 4 , , , 28553 2743 5 others other NNS 28553 2743 6 stopped stop VBD 28553 2743 7 . . . 28553 2744 1 The the DT 28553 2744 2 two two CD 28553 2744 3 main main JJ 28553 2744 4 classes class NNS 28553 2744 5 into into IN 28553 2744 6 which which WDT 28553 2744 7 organ organ NN 28553 2744 8 pipes pipe NNS 28553 2744 9 may may MD 28553 2744 10 be be VB 28553 2744 11 divided divide VBN 28553 2744 12 are:--(1 are:--(1 NN 28553 2744 13 . . . 28553 2744 14 ) ) -RRB- 28553 2745 1 _ _ NNP 28553 2745 2 Flue Flue NNP 28553 2745 3 _ _ NNP 28553 2745 4 pipes pipe NNS 28553 2745 5 , , , 28553 2745 6 in in IN 28553 2745 7 which which WDT 28553 2745 8 the the DT 28553 2745 9 wind wind NN 28553 2745 10 is be VBZ 28553 2745 11 directed direct VBN 28553 2745 12 against against IN 28553 2745 13 a a DT 28553 2745 14 lip lip NN 28553 2745 15 , , , 28553 2745 16 as as IN 28553 2745 17 in in IN 28553 2745 18 Fig Fig NNP 28553 2745 19 . . . 28553 2746 1 138 138 CD 28553 2746 2 . . . 28553 2747 1 ( ( -LRB- 28553 2747 2 2 2 CD 28553 2747 3 . . . 28553 2747 4 ) ) -RRB- 28553 2748 1 _ _ NNP 28553 2748 2 Reed Reed NNP 28553 2748 3 _ _ NNP 28553 2748 4 pipes pipe VBZ 28553 2748 5 -- -- : 28553 2748 6 that that RB 28553 2748 7 is is RB 28553 2748 8 , , , 28553 2748 9 pipes pipe NNS 28553 2748 10 used use VBN 28553 2748 11 in in IN 28553 2748 12 combination combination NN 28553 2748 13 with with IN 28553 2748 14 a a DT 28553 2748 15 simple simple JJ 28553 2748 16 device device NN 28553 2748 17 for for IN 28553 2748 18 admitting admit VBG 28553 2748 19 air air NN 28553 2748 20 into into IN 28553 2748 21 the the DT 28553 2748 22 bottom bottom NN 28553 2748 23 of of IN 28553 2748 24 the the DT 28553 2748 25 pipe pipe NN 28553 2748 26 in in IN 28553 2748 27 a a DT 28553 2748 28 series series NN 28553 2748 29 of of IN 28553 2748 30 gusts gust NNS 28553 2748 31 . . . 28553 2749 1 Fig fig NN 28553 2749 2 . . . 28553 2750 1 144 144 CD 28553 2750 2 shows show VBZ 28553 2750 3 a a DT 28553 2750 4 _ _ NNP 28553 2750 5 striking strike VBG 28553 2750 6 _ _ NNP 28553 2750 7 reed reed NN 28553 2750 8 , , , 28553 2750 9 such such JJ 28553 2750 10 as as IN 28553 2750 11 is be VBZ 28553 2750 12 found find VBN 28553 2750 13 in in IN 28553 2750 14 the the DT 28553 2750 15 ordinary ordinary JJ 28553 2750 16 motor motor NNP 28553 2750 17 horn horn NNP 28553 2750 18 . . . 28553 2751 1 The the DT 28553 2751 2 elastic elastic JJ 28553 2751 3 metal metal NN 28553 2751 4 tongue tongue NN 28553 2751 5 when when WRB 28553 2751 6 at at IN 28553 2751 7 rest rest NN 28553 2751 8 stands stand VBZ 28553 2751 9 a a DT 28553 2751 10 very very RB 28553 2751 11 short short JJ 28553 2751 12 distance distance NN 28553 2751 13 away away RB 28553 2751 14 from from IN 28553 2751 15 the the DT 28553 2751 16 orifice orifice NN 28553 2751 17 in in IN 28553 2751 18 the the DT 28553 2751 19 reed reed NN 28553 2751 20 . . . 28553 2752 1 When when WRB 28553 2752 2 wind wind NN 28553 2752 3 is be VBZ 28553 2752 4 blown blow VBN 28553 2752 5 through through IN 28553 2752 6 the the DT 28553 2752 7 reed reed NN 28553 2752 8 the the DT 28553 2752 9 tongue tongue NN 28553 2752 10 is be VBZ 28553 2752 11 sucked suck VBN 28553 2752 12 against against IN 28553 2752 13 the the DT 28553 2752 14 reed reed NN 28553 2752 15 , , , 28553 2752 16 blocks block VBZ 28553 2752 17 the the DT 28553 2752 18 current current NN 28553 2752 19 , , , 28553 2752 20 and and CC 28553 2752 21 springs spring NNS 28553 2752 22 away away RP 28553 2752 23 again again RB 28553 2752 24 . . . 28553 2753 1 A a DT 28553 2753 2 _ _ NNP 28553 2753 3 free free JJ 28553 2753 4 _ _ NNP 28553 2753 5 reed reed NN 28553 2753 6 has have VBZ 28553 2753 7 a a DT 28553 2753 8 tongue tongue NN 28553 2753 9 which which WDT 28553 2753 10 vibrates vibrate VBZ 28553 2753 11 in in IN 28553 2753 12 a a DT 28553 2753 13 slot slot NN 28553 2753 14 without without IN 28553 2753 15 actually actually RB 28553 2753 16 touching touch VBG 28553 2753 17 the the DT 28553 2753 18 sides side NNS 28553 2753 19 . . . 28553 2754 1 Harmonium Harmonium NNP 28553 2754 2 and and CC 28553 2754 3 concertina concertina NNP 28553 2754 4 reeds reed NNS 28553 2754 5 are be VBP 28553 2754 6 of of IN 28553 2754 7 this this DT 28553 2754 8 type type NN 28553 2754 9 . . . 28553 2755 1 In in IN 28553 2755 2 the the DT 28553 2755 3 organ organ NN 28553 2755 4 the the DT 28553 2755 5 reed reed NN 28553 2755 6 admits admit VBZ 28553 2755 7 air air NN 28553 2755 8 to to IN 28553 2755 9 a a DT 28553 2755 10 pipe pipe NN 28553 2755 11 of of IN 28553 2755 12 the the DT 28553 2755 13 correct correct JJ 28553 2755 14 length length NN 28553 2755 15 to to TO 28553 2755 16 sympathize sympathize VB 28553 2755 17 with with IN 28553 2755 18 the the DT 28553 2755 19 rate rate NN 28553 2755 20 of of IN 28553 2755 21 the the DT 28553 2755 22 puffs puff NNS 28553 2755 23 of of IN 28553 2755 24 air air NN 28553 2755 25 which which WDT 28553 2755 26 the the DT 28553 2755 27 reed reed NN 28553 2755 28 passes pass VBZ 28553 2755 29 . . . 28553 2756 1 Reed Reed NNP 28553 2756 2 pipes pipe NNS 28553 2756 3 expand expand VBP 28553 2756 4 towards towards IN 28553 2756 5 the the DT 28553 2756 6 top top NN 28553 2756 7 . . . 28553 2757 1 TUNING tuning NN 28553 2757 2 PIPES PIPES NNP 28553 2757 3 AND and CC 28553 2757 4 REEDS REEDS NNP 28553 2757 5 . . . 28553 2758 1 [ [ -LRB- 28553 2758 2 Illustration illustration NN 28553 2758 3 : : : 28553 2758 4 FIG FIG NNP 28553 2758 5 . . . 28553 2759 1 144.--A 144.--a CD 28553 2759 2 reed reed NNP 28553 2759 3 pipe pipe NN 28553 2759 4 . . . 28553 2759 5 ] ] -RRB- 28553 2760 1 Pipes pipe NNS 28553 2760 2 are be VBP 28553 2760 3 tuned tune VBN 28553 2760 4 by by IN 28553 2760 5 adjusting adjust VBG 28553 2760 6 their -PRON- PRP$ 28553 2760 7 length length NN 28553 2760 8 . . . 28553 2761 1 The the DT 28553 2761 2 plug plug NN 28553 2761 3 at at IN 28553 2761 4 the the DT 28553 2761 5 top top NN 28553 2761 6 of of IN 28553 2761 7 a a DT 28553 2761 8 stopped stop VBN 28553 2761 9 pipe pipe NN 28553 2761 10 is be VBZ 28553 2761 11 pulled pull VBN 28553 2761 12 out out RP 28553 2761 13 or or CC 28553 2761 14 pushed push VBN 28553 2761 15 in in IN 28553 2761 16 a a DT 28553 2761 17 trifle trifle NN 28553 2761 18 to to TO 28553 2761 19 flatten flatten VB 28553 2761 20 or or CC 28553 2761 21 sharpen sharpen VB 28553 2761 22 the the DT 28553 2761 23 note note NN 28553 2761 24 respectively respectively RB 28553 2761 25 . . . 28553 2762 1 An an DT 28553 2762 2 open open JJ 28553 2762 3 pipe pipe NN 28553 2762 4 , , , 28553 2762 5 if if IN 28553 2762 6 large large JJ 28553 2762 7 , , , 28553 2762 8 has have VBZ 28553 2762 9 a a DT 28553 2762 10 tongue tongue NN 28553 2762 11 cut cut NN 28553 2762 12 in in IN 28553 2762 13 the the DT 28553 2762 14 side side NN 28553 2762 15 at at IN 28553 2762 16 the the DT 28553 2762 17 top top NN 28553 2762 18 , , , 28553 2762 19 which which WDT 28553 2762 20 can can MD 28553 2762 21 be be VB 28553 2762 22 pressed press VBN 28553 2762 23 inwards inward NNS 28553 2762 24 or or CC 28553 2762 25 outwards outward NNS 28553 2762 26 for for IN 28553 2762 27 the the DT 28553 2762 28 purpose purpose NN 28553 2762 29 of of IN 28553 2762 30 correcting correct VBG 28553 2762 31 the the DT 28553 2762 32 tone tone NN 28553 2762 33 . . . 28553 2763 1 Small small JJ 28553 2763 2 metal metal NN 28553 2763 3 pipes pipe NNS 28553 2763 4 are be VBP 28553 2763 5 flattened flatten VBN 28553 2763 6 by by IN 28553 2763 7 contracting contract VBG 28553 2763 8 the the DT 28553 2763 9 tops top NNS 28553 2763 10 inwards inward NNS 28553 2763 11 with with IN 28553 2763 12 a a DT 28553 2763 13 metal metal NN 28553 2763 14 cone cone NN 28553 2763 15 like like IN 28553 2763 16 a a DT 28553 2763 17 candle candle NN 28553 2763 18 - - HYPH 28553 2763 19 extinguisher extinguisher NN 28553 2763 20 placed place VBN 28553 2763 21 over over IN 28553 2763 22 the the DT 28553 2763 23 top top NN 28553 2763 24 and and CC 28553 2763 25 tapped tap VBN 28553 2763 26 ; ; : 28553 2763 27 and and CC 28553 2763 28 sharpened sharpen VBN 28553 2763 29 by by IN 28553 2763 30 having have VBG 28553 2763 31 the the DT 28553 2763 32 top top NN 28553 2763 33 splayed splay VBN 28553 2763 34 by by IN 28553 2763 35 a a DT 28553 2763 36 cone cone NN 28553 2763 37 pushed push VBN 28553 2763 38 in in IN 28553 2763 39 point point NN 28553 2763 40 downwards downwards RB 28553 2763 41 . . . 28553 2764 1 Reeds reed NNS 28553 2764 2 of of IN 28553 2764 3 the the DT 28553 2764 4 striking striking JJ 28553 2764 5 variety variety NN 28553 2764 6 ( ( -LRB- 28553 2764 7 see see VB 28553 2764 8 Fig Fig NNP 28553 2764 9 . . . 28553 2765 1 144 144 LS 28553 2765 2 ) ) -RRB- 28553 2765 3 have have VBP 28553 2765 4 a a DT 28553 2765 5 tuning tuning NN 28553 2765 6 - - HYPH 28553 2765 7 wire wire NN 28553 2765 8 pressing press VBG 28553 2765 9 on on IN 28553 2765 10 the the DT 28553 2765 11 tongue tongue NN 28553 2765 12 near near IN 28553 2765 13 the the DT 28553 2765 14 fixed fix VBN 28553 2765 15 end end NN 28553 2765 16 . . . 28553 2766 1 The the DT 28553 2766 2 end end NN 28553 2766 3 of of IN 28553 2766 4 this this DT 28553 2766 5 wire wire NN 28553 2766 6 projects project NNS 28553 2766 7 through through IN 28553 2766 8 the the DT 28553 2766 9 casing casing NN 28553 2766 10 . . . 28553 2767 1 By by IN 28553 2767 2 moving move VBG 28553 2767 3 it -PRON- PRP 28553 2767 4 , , , 28553 2767 5 the the DT 28553 2767 6 length length NN 28553 2767 7 of of IN 28553 2767 8 the the DT 28553 2767 9 vibrating vibrate VBG 28553 2767 10 part part NN 28553 2767 11 of of IN 28553 2767 12 the the DT 28553 2767 13 tongue tongue NN 28553 2767 14 is be VBZ 28553 2767 15 adjusted adjust VBN 28553 2767 16 to to IN 28553 2767 17 correctness correctness NN 28553 2767 18 . . . 28553 2768 1 BELLOWS BELLOWS NNP 28553 2768 2 . . . 28553 2769 1 Different different JJ 28553 2769 2 stops stop NNS 28553 2769 3 require require VBP 28553 2769 4 different different JJ 28553 2769 5 wind wind NN 28553 2769 6 - - HYPH 28553 2769 7 pressures pressure NNS 28553 2769 8 , , , 28553 2769 9 ranging range VBG 28553 2769 10 from from IN 28553 2769 11 1/10 1/10 CD 28553 2769 12 lb lb RB 28553 2769 13 . . . 28553 2770 1 to to IN 28553 2770 2 1 1 CD 28553 2770 3 lb lb RB 28553 2770 4 . . . 28553 2771 1 to to IN 28553 2771 2 the the DT 28553 2771 3 square square JJ 28553 2771 4 inch inch NN 28553 2771 5 , , , 28553 2771 6 the the DT 28553 2771 7 reeds reed NNS 28553 2771 8 taking take VBG 28553 2771 9 the the DT 28553 2771 10 heaviest heavy JJS 28553 2771 11 pressures pressure NNS 28553 2771 12 . . . 28553 2772 1 There there EX 28553 2772 2 must must MD 28553 2772 3 therefore therefore RB 28553 2772 4 be be VB 28553 2772 5 as as RB 28553 2772 6 many many JJ 28553 2772 7 sets set NNS 28553 2772 8 of of IN 28553 2772 9 bellows bellow NNS 28553 2772 10 and and CC 28553 2772 11 wind wind NN 28553 2772 12 - - HYPH 28553 2772 13 chests chest NNS 28553 2772 14 as as IN 28553 2772 15 there there EX 28553 2772 16 are be VBP 28553 2772 17 different different JJ 28553 2772 18 pressures pressure NNS 28553 2772 19 wanted want VBD 28553 2772 20 . . . 28553 2773 1 A a DT 28553 2773 2 very very RB 28553 2773 3 large large JJ 28553 2773 4 organ organ NN 28553 2773 5 consumes consume NNS 28553 2773 6 immense immense JJ 28553 2773 7 quantities quantity NNS 28553 2773 8 of of IN 28553 2773 9 air air NN 28553 2773 10 when when WRB 28553 2773 11 all all PDT 28553 2773 12 the the DT 28553 2773 13 stops stop NNS 28553 2773 14 are be VBP 28553 2773 15 out out RB 28553 2773 16 , , , 28553 2773 17 and and CC 28553 2773 18 the the DT 28553 2773 19 pumping pumping NN 28553 2773 20 has have VBZ 28553 2773 21 to to TO 28553 2773 22 be be VB 28553 2773 23 done do VBN 28553 2773 24 by by IN 28553 2773 25 a a DT 28553 2773 26 powerful powerful JJ 28553 2773 27 gas gas NN 28553 2773 28 , , , 28553 2773 29 water water NN 28553 2773 30 , , , 28553 2773 31 or or CC 28553 2773 32 electric electric JJ 28553 2773 33 engine engine NN 28553 2773 34 . . . 28553 2774 1 Every every DT 28553 2774 2 bellows bellow NNS 28553 2774 3 has have VBZ 28553 2774 4 a a DT 28553 2774 5 reservoir reservoir NN 28553 2774 6 ( ( -LRB- 28553 2774 7 see see VB 28553 2774 8 Fig Fig NNP 28553 2774 9 . . . 28553 2775 1 143 143 LS 28553 2775 2 ) ) -RRB- 28553 2775 3 above above IN 28553 2775 4 it -PRON- PRP 28553 2775 5 . . . 28553 2776 1 The the DT 28553 2776 2 top top NN 28553 2776 3 of of IN 28553 2776 4 this this DT 28553 2776 5 is be VBZ 28553 2776 6 weighted weight VBN 28553 2776 7 to to TO 28553 2776 8 give give VB 28553 2776 9 the the DT 28553 2776 10 pressure pressure NN 28553 2776 11 required require VBN 28553 2776 12 . . . 28553 2777 1 A a DT 28553 2777 2 valve valve NN 28553 2777 3 in in IN 28553 2777 4 the the DT 28553 2777 5 top top NN 28553 2777 6 opens open VBZ 28553 2777 7 automatically automatically RB 28553 2777 8 as as RB 28553 2777 9 soon soon RB 28553 2777 10 as as IN 28553 2777 11 the the DT 28553 2777 12 reservoir reservoir NN 28553 2777 13 has have VBZ 28553 2777 14 expanded expand VBN 28553 2777 15 to to IN 28553 2777 16 a a DT 28553 2777 17 certain certain JJ 28553 2777 18 fixed fix VBN 28553 2777 19 limit limit NN 28553 2777 20 , , , 28553 2777 21 so so IN 28553 2777 22 that that IN 28553 2777 23 there there EX 28553 2777 24 is be VBZ 28553 2777 25 no no DT 28553 2777 26 possibility possibility NN 28553 2777 27 of of IN 28553 2777 28 bursting burst VBG 28553 2777 29 the the DT 28553 2777 30 leather leather NN 28553 2777 31 sides side NNS 28553 2777 32 . . . 28553 2778 1 [ [ -LRB- 28553 2778 2 Illustration illustration NN 28553 2778 3 : : : 28553 2778 4 FIG FIG NNP 28553 2778 5 . . . 28553 2779 1 145.--The 145.--the CD 28553 2779 2 keyboard keyboard NN 28553 2779 3 and and CC 28553 2779 4 part part NN 28553 2779 5 of of IN 28553 2779 6 the the DT 28553 2779 7 pneumatic pneumatic JJ 28553 2779 8 mechanism mechanism NN 28553 2779 9 of of IN 28553 2779 10 the the DT 28553 2779 11 Hereford Hereford NNP 28553 2779 12 Cathedral Cathedral NNP 28553 2779 13 organ organ NN 28553 2779 14 . . . 28553 2780 1 C C NNP 28553 2780 2 , , , 28553 2780 3 composition composition NN 28553 2780 4 pedals pedal NNS 28553 2780 5 for for IN 28553 2780 6 pushing push VBG 28553 2780 7 out out RP 28553 2780 8 groups group NNS 28553 2780 9 of of IN 28553 2780 10 stops stop NNS 28553 2780 11 ; ; : 28553 2780 12 P p NN 28553 2780 13 ( ( -LRB- 28553 2780 14 at at IN 28553 2780 15 bottom bottom NN 28553 2780 16 ) ) -RRB- 28553 2780 17 , , , 28553 2780 18 pedals pedal NNS 28553 2780 19 ; ; : 28553 2780 20 P p NN 28553 2780 21 P p NN 28553 2780 22 ( ( -LRB- 28553 2780 23 at at IN 28553 2780 24 top top NN 28553 2780 25 ) ) -RRB- 28553 2780 26 , , , 28553 2780 27 pipes pipe NNS 28553 2780 28 carrying carry VBG 28553 2780 29 compressed compress VBN 28553 2780 30 air air NN 28553 2780 31 ; ; : 28553 2780 32 M M NNP 28553 2780 33 , , , 28553 2780 34 manuals manual NNS 28553 2780 35 ( ( -LRB- 28553 2780 36 4 4 CD 28553 2780 37 ) ) -RRB- 28553 2780 38 ; ; : 28553 2780 39 S S NNP 28553 2780 40 S S NNP 28553 2780 41 , , , 28553 2780 42 stops stop VBZ 28553 2780 43 . . . 28553 2780 44 ] ] -RRB- 28553 2781 1 ELECTRIC ELECTRIC NNP 28553 2781 2 AND and CC 28553 2781 3 PNEUMATIC PNEUMATIC NNP 28553 2781 4 ACTIONS ACTIONS NNP 28553 2781 5 . . . 28553 2782 1 We -PRON- PRP 28553 2782 2 have have VBP 28553 2782 3 mentioned mention VBN 28553 2782 4 in in IN 28553 2782 5 connection connection NN 28553 2782 6 with with IN 28553 2782 7 railway railway NN 28553 2782 8 signalling signal VBG 28553 2782 9 that that IN 28553 2782 10 the the DT 28553 2782 11 signalman signalman NN 28553 2782 12 is be VBZ 28553 2782 13 sometimes sometimes RB 28553 2782 14 relieved relieve VBN 28553 2782 15 of of IN 28553 2782 16 the the DT 28553 2782 17 hard hard NNP 28553 2782 18 manual manual JJ 28553 2782 19 labour labour NN 28553 2782 20 of of IN 28553 2782 21 moving move VBG 28553 2782 22 signals signal NNS 28553 2782 23 and and CC 28553 2782 24 points point NNS 28553 2782 25 by by IN 28553 2782 26 the the DT 28553 2782 27 employment employment NN 28553 2782 28 of of IN 28553 2782 29 electric electric JJ 28553 2782 30 and and CC 28553 2782 31 pneumatic pneumatic JJ 28553 2782 32 auxiliaries auxiliary NNS 28553 2782 33 . . . 28553 2783 1 The the DT 28553 2783 2 same same JJ 28553 2783 3 is be VBZ 28553 2783 4 true true JJ 28553 2783 5 of of IN 28553 2783 6 organs organ NNS 28553 2783 7 and and CC 28553 2783 8 organists organist NNS 28553 2783 9 . . . 28553 2784 1 The the DT 28553 2784 2 touch touch NN 28553 2784 3 of of IN 28553 2784 4 the the DT 28553 2784 5 keys key NNS 28553 2784 6 has have VBZ 28553 2784 7 been be VBN 28553 2784 8 greatly greatly RB 28553 2784 9 lightened lighten VBN 28553 2784 10 by by IN 28553 2784 11 making make VBG 28553 2784 12 the the DT 28553 2784 13 keys key NNS 28553 2784 14 open open VB 28553 2784 15 air air NN 28553 2784 16 - - HYPH 28553 2784 17 valves valve NNS 28553 2784 18 or or CC 28553 2784 19 complete complete JJ 28553 2784 20 electric electric JJ 28553 2784 21 circuits circuit NNS 28553 2784 22 which which WDT 28553 2784 23 actuate actuate VBP 28553 2784 24 the the DT 28553 2784 25 mechanism mechanism NN 28553 2784 26 for for IN 28553 2784 27 pulling pull VBG 28553 2784 28 down down RP 28553 2784 29 the the DT 28553 2784 30 pallets pallet NNS 28553 2784 31 . . . 28553 2785 1 The the DT 28553 2785 2 stops stop NNS 28553 2785 3 , , , 28553 2785 4 pedals pedal NNS 28553 2785 5 , , , 28553 2785 6 and and CC 28553 2785 7 couplers coupler NNS 28553 2785 8 also also RB 28553 2785 9 employ employ VBP 28553 2785 10 " " '' 28553 2785 11 power power NN 28553 2785 12 . . . 28553 2785 13 " " '' 28553 2786 1 Not not RB 28553 2786 2 only only RB 28553 2786 3 are be VBP 28553 2786 4 the the DT 28553 2786 5 performer performer NN 28553 2786 6 's 's POS 28553 2786 7 muscles muscle NNS 28553 2786 8 spared spare VBD 28553 2786 9 a a DT 28553 2786 10 lot lot NN 28553 2786 11 of of IN 28553 2786 12 heavy heavy JJ 28553 2786 13 work work NN 28553 2786 14 when when WRB 28553 2786 15 compressed compress VBN 28553 2786 16 air air NN 28553 2786 17 and and CC 28553 2786 18 electricity electricity NN 28553 2786 19 aid aid VBP 28553 2786 20 him -PRON- PRP 28553 2786 21 , , , 28553 2786 22 but but CC 28553 2786 23 he -PRON- PRP 28553 2786 24 is be VBZ 28553 2786 25 able able JJ 28553 2786 26 to to TO 28553 2786 27 have have VB 28553 2786 28 the the DT 28553 2786 29 _ _ NNP 28553 2786 30 console console NN 28553 2786 31 _ _ NNP 28553 2786 32 , , , 28553 2786 33 or or CC 28553 2786 34 keyboard keyboard NN 28553 2786 35 , , , 28553 2786 36 far far RB 28553 2786 37 away away RB 28553 2786 38 from from IN 28553 2786 39 the the DT 28553 2786 40 pipes pipe NNS 28553 2786 41 . . . 28553 2787 1 " " `` 28553 2787 2 From from IN 28553 2787 3 the the DT 28553 2787 4 console console NN 28553 2787 5 , , , 28553 2787 6 the the DT 28553 2787 7 player player NN 28553 2787 8 , , , 28553 2787 9 sitting sit VBG 28553 2787 10 with with IN 28553 2787 11 the the DT 28553 2787 12 singers singer NNS 28553 2787 13 , , , 28553 2787 14 or or CC 28553 2787 15 in in IN 28553 2787 16 any any DT 28553 2787 17 desirable desirable JJ 28553 2787 18 part part NN 28553 2787 19 of of IN 28553 2787 20 the the DT 28553 2787 21 choir choir NN 28553 2787 22 or or CC 28553 2787 23 chancel chancel NN 28553 2787 24 , , , 28553 2787 25 would would MD 28553 2787 26 be be VB 28553 2787 27 able able JJ 28553 2787 28 to to TO 28553 2787 29 command command VB 28553 2787 30 the the DT 28553 2787 31 working working NN 28553 2787 32 of of IN 28553 2787 33 the the DT 28553 2787 34 whole whole NN 28553 2787 35 of of IN 28553 2787 36 the the DT 28553 2787 37 largest large JJS 28553 2787 38 organ organ NN 28553 2787 39 situated situate VBN 28553 2787 40 afar afar RB 28553 2787 41 at at IN 28553 2787 42 the the DT 28553 2787 43 western western JJ 28553 2787 44 end end NN 28553 2787 45 of of IN 28553 2787 46 the the DT 28553 2787 47 nave nave NN 28553 2787 48 ; ; : 28553 2787 49 would would MD 28553 2787 50 draw draw VB 28553 2787 51 each each DT 28553 2787 52 stop stop NN 28553 2787 53 in in IN 28553 2787 54 complete complete JJ 28553 2787 55 reliance reliance NN 28553 2787 56 on on IN 28553 2787 57 the the DT 28553 2787 58 sliders slider NNS 28553 2787 59 and and CC 28553 2787 60 the the DT 28553 2787 61 sound sound JJ 28553 2787 62 - - HYPH 28553 2787 63 board board NN 28553 2787 64 fulfilling fulfil VBG 28553 2787 65 their -PRON- PRP$ 28553 2787 66 office office NN 28553 2787 67 ; ; : 28553 2787 68 ... ... : 28553 2787 69 and and CC 28553 2787 70 -- -- : 28553 2787 71 marvel marvel JJ 28553 2787 72 of of IN 28553 2787 73 it -PRON- PRP 28553 2787 74 all all DT 28553 2787 75 -- -- : 28553 2787 76 the the DT 28553 2787 77 player player NN 28553 2787 78 , , , 28553 2787 79 using use VBG 28553 2787 80 the the DT 28553 2787 81 swell swell NN 28553 2787 82 pedal pedal NN 28553 2787 83 in in IN 28553 2787 84 his -PRON- PRP$ 28553 2787 85 ordinary ordinary JJ 28553 2787 86 manner manner NN 28553 2787 87 , , , 28553 2787 88 would would MD 28553 2787 89 obtain obtain VB 28553 2787 90 crescendo crescendo NN 28553 2787 91 and and CC 28553 2787 92 diminuendo diminuendo VB 28553 2787 93 with with IN 28553 2787 94 a a DT 28553 2787 95 more more RBR 28553 2787 96 perfect perfect JJ 28553 2787 97 effect effect NN 28553 2787 98 than than IN 28553 2787 99 by by IN 28553 2787 100 the the DT 28553 2787 101 old old JJ 28553 2787 102 way way NN 28553 2787 103 . . . 28553 2788 1 " " `` 28553 2788 2 [ [ -LRB- 28553 2788 3 31 31 CD 28553 2788 4 ] ] -RRB- 28553 2788 5 In in IN 28553 2788 6 cathedrals cathedral NNS 28553 2788 7 it -PRON- PRP 28553 2788 8 is be VBZ 28553 2788 9 no no DT 28553 2788 10 uncommon uncommon JJ 28553 2788 11 thing thing NN 28553 2788 12 for for IN 28553 2788 13 the the DT 28553 2788 14 different different JJ 28553 2788 15 sound sound NN 28553 2788 16 - - HYPH 28553 2788 17 boards board NNS 28553 2788 18 to to TO 28553 2788 19 be be VB 28553 2788 20 placed place VBN 28553 2788 21 in in IN 28553 2788 22 positions position NNS 28553 2788 23 far far RB 28553 2788 24 apart apart RB 28553 2788 25 , , , 28553 2788 26 so so IN 28553 2788 27 that that IN 28553 2788 28 to to IN 28553 2788 29 the the DT 28553 2788 30 uninitiated uninitiated JJ 28553 2788 31 there there EX 28553 2788 32 may may MD 28553 2788 33 appear appear VB 28553 2788 34 to to TO 28553 2788 35 be be VB 28553 2788 36 several several JJ 28553 2788 37 independent independent JJ 28553 2788 38 organs organ NNS 28553 2788 39 scattered scatter VBN 28553 2788 40 about about IN 28553 2788 41 . . . 28553 2789 1 Yet yet RB 28553 2789 2 all all DT 28553 2789 3 are be VBP 28553 2789 4 absolutely absolutely RB 28553 2789 5 under under IN 28553 2789 6 the the DT 28553 2789 7 control control NN 28553 2789 8 of of IN 28553 2789 9 a a DT 28553 2789 10 man man NN 28553 2789 11 who who WP 28553 2789 12 is be VBZ 28553 2789 13 sitting sit VBG 28553 2789 14 away away RB 28553 2789 15 from from IN 28553 2789 16 them -PRON- PRP 28553 2789 17 all all DT 28553 2789 18 , , , 28553 2789 19 but but CC 28553 2789 20 connected connect VBN 28553 2789 21 with with IN 28553 2789 22 them -PRON- PRP 28553 2789 23 by by IN 28553 2789 24 a a DT 28553 2789 25 number number NN 28553 2789 26 of of IN 28553 2789 27 tubes tube NNS 28553 2789 28 or or CC 28553 2789 29 wires wire NNS 28553 2789 30 . . . 28553 2790 1 The the DT 28553 2790 2 largest large JJS 28553 2790 3 organ organ NN 28553 2790 4 in in IN 28553 2790 5 the the DT 28553 2790 6 world world NN 28553 2790 7 is be VBZ 28553 2790 8 that that IN 28553 2790 9 in in IN 28553 2790 10 the the DT 28553 2790 11 Town Town NNP 28553 2790 12 Hall Hall NNP 28553 2790 13 , , , 28553 2790 14 Sydney Sydney NNP 28553 2790 15 . . . 28553 2791 1 It -PRON- PRP 28553 2791 2 has have VBZ 28553 2791 3 a a DT 28553 2791 4 hundred hundred CD 28553 2791 5 and and CC 28553 2791 6 twenty twenty CD 28553 2791 7 - - HYPH 28553 2791 8 six six CD 28553 2791 9 speaking speak VBG 28553 2791 10 stops stop NNS 28553 2791 11 , , , 28553 2791 12 five five CD 28553 2791 13 manuals manual NNS 28553 2791 14 , , , 28553 2791 15 fourteen fourteen CD 28553 2791 16 couplers coupler NNS 28553 2791 17 , , , 28553 2791 18 and and CC 28553 2791 19 forty forty CD 28553 2791 20 - - HYPH 28553 2791 21 six six CD 28553 2791 22 combination combination NN 28553 2791 23 studs stud NNS 28553 2791 24 . . . 28553 2792 1 The the DT 28553 2792 2 pipes pipe NNS 28553 2792 3 , , , 28553 2792 4 about about RB 28553 2792 5 8,000 8,000 CD 28553 2792 6 in in IN 28553 2792 7 number number NN 28553 2792 8 , , , 28553 2792 9 range range VBP 28553 2792 10 from from IN 28553 2792 11 the the DT 28553 2792 12 enormous enormous JJ 28553 2792 13 64-foot 64-foot CD 28553 2792 14 contra contra NNP 28553 2792 15 - - , 28553 2792 16 trombone trombone NN 28553 2792 17 to to IN 28553 2792 18 some some DT 28553 2792 19 only only RB 28553 2792 20 a a DT 28553 2792 21 fraction fraction NN 28553 2792 22 of of IN 28553 2792 23 an an DT 28553 2792 24 inch inch NN 28553 2792 25 in in IN 28553 2792 26 length length NN 28553 2792 27 . . . 28553 2793 1 The the DT 28553 2793 2 organ organ NN 28553 2793 3 occupies occupy VBZ 28553 2793 4 a a DT 28553 2793 5 space space NN 28553 2793 6 85 85 CD 28553 2793 7 feet foot NNS 28553 2793 8 long long JJ 28553 2793 9 and and CC 28553 2793 10 26 26 CD 28553 2793 11 feet foot NNS 28553 2793 12 deep deep JJ 28553 2793 13 . . . 28553 2794 1 HUMAN HUMAN NNP 28553 2794 2 REEDS REEDS NNP 28553 2794 3 . . . 28553 2795 1 The the DT 28553 2795 2 most most RBS 28553 2795 3 wonderful wonderful JJ 28553 2795 4 of of IN 28553 2795 5 all all DT 28553 2795 6 musical musical JJ 28553 2795 7 reeds reed NNS 28553 2795 8 is be VBZ 28553 2795 9 found find VBN 28553 2795 10 in in IN 28553 2795 11 the the DT 28553 2795 12 human human JJ 28553 2795 13 throat throat NN 28553 2795 14 , , , 28553 2795 15 in in IN 28553 2795 16 the the DT 28553 2795 17 anatomical anatomical JJ 28553 2795 18 part part NN 28553 2795 19 called call VBD 28553 2795 20 the the DT 28553 2795 21 _ _ NNP 28553 2795 22 larynx larynx NN 28553 2795 23 _ _ NNP 28553 2795 24 , , , 28553 2795 25 situated situate VBN 28553 2795 26 at at IN 28553 2795 27 the the DT 28553 2795 28 top top NN 28553 2795 29 of of IN 28553 2795 30 the the DT 28553 2795 31 _ _ NNP 28553 2795 32 trachea trachea NN 28553 2795 33 _ _ NNP 28553 2795 34 , , , 28553 2795 35 or or CC 28553 2795 36 windpipe windpipe NN 28553 2795 37 . . . 28553 2796 1 Slip slip VB 28553 2796 2 a a DT 28553 2796 3 piece piece NN 28553 2796 4 of of IN 28553 2796 5 rubber rubber NN 28553 2796 6 tubing tube VBG 28553 2796 7 over over IN 28553 2796 8 the the DT 28553 2796 9 end end NN 28553 2796 10 of of IN 28553 2796 11 a a DT 28553 2796 12 pipe pipe NN 28553 2796 13 , , , 28553 2796 14 allowing allow VBG 28553 2796 15 an an DT 28553 2796 16 inch inch NN 28553 2796 17 or or CC 28553 2796 18 so so RB 28553 2796 19 to to TO 28553 2796 20 project project VB 28553 2796 21 . . . 28553 2797 1 Take take VB 28553 2797 2 the the DT 28553 2797 3 free free JJ 28553 2797 4 part part NN 28553 2797 5 of of IN 28553 2797 6 the the DT 28553 2797 7 tube tube NN 28553 2797 8 by by IN 28553 2797 9 two two CD 28553 2797 10 opposite opposite JJ 28553 2797 11 points point NNS 28553 2797 12 between between IN 28553 2797 13 the the DT 28553 2797 14 first first JJ 28553 2797 15 fingers finger NNS 28553 2797 16 and and CC 28553 2797 17 thumbs thumb NNS 28553 2797 18 and and CC 28553 2797 19 pull pull VB 28553 2797 20 it -PRON- PRP 28553 2797 21 until until IN 28553 2797 22 the the DT 28553 2797 23 edges edge NNS 28553 2797 24 are be VBP 28553 2797 25 stretched stretch VBN 28553 2797 26 tight tight JJ 28553 2797 27 . . . 28553 2798 1 Now now RB 28553 2798 2 blow blow VB 28553 2798 3 through through IN 28553 2798 4 it -PRON- PRP 28553 2798 5 . . . 28553 2799 1 The the DT 28553 2799 2 wind wind NN 28553 2799 3 , , , 28553 2799 4 forcing force VBG 28553 2799 5 its -PRON- PRP$ 28553 2799 6 way way NN 28553 2799 7 between between IN 28553 2799 8 the the DT 28553 2799 9 two two CD 28553 2799 10 rubber rubber NN 28553 2799 11 edges edge NNS 28553 2799 12 , , , 28553 2799 13 causes cause VBZ 28553 2799 14 them -PRON- PRP 28553 2799 15 and and CC 28553 2799 16 the the DT 28553 2799 17 air air NN 28553 2799 18 inside inside IN 28553 2799 19 the the DT 28553 2799 20 tube tube NN 28553 2799 21 to to TO 28553 2799 22 vibrate vibrate VB 28553 2799 23 , , , 28553 2799 24 and and CC 28553 2799 25 a a DT 28553 2799 26 musical musical JJ 28553 2799 27 note note NN 28553 2799 28 results result NNS 28553 2799 29 . . . 28553 2800 1 The the DT 28553 2800 2 more more RBR 28553 2800 3 you -PRON- PRP 28553 2800 4 strain strain VBP 28553 2800 5 the the DT 28553 2800 6 rubber rubber NN 28553 2800 7 the the DT 28553 2800 8 higher high JJR 28553 2800 9 is be VBZ 28553 2800 10 the the DT 28553 2800 11 note note NN 28553 2800 12 . . . 28553 2801 1 The the DT 28553 2801 2 larynx larynx NN 28553 2801 3 works work VBZ 28553 2801 4 on on IN 28553 2801 5 this this DT 28553 2801 6 principle principle NN 28553 2801 7 . . . 28553 2802 1 The the DT 28553 2802 2 windpipe windpipe NN 28553 2802 3 takes take VBZ 28553 2802 4 the the DT 28553 2802 5 place place NN 28553 2802 6 of of IN 28553 2802 7 the the DT 28553 2802 8 glass glass NN 28553 2802 9 pipe pipe NN 28553 2802 10 ; ; : 28553 2802 11 the the DT 28553 2802 12 two two CD 28553 2802 13 vocal vocal JJ 28553 2802 14 cords cord NNS 28553 2802 15 represent represent VBP 28553 2802 16 the the DT 28553 2802 17 rubber rubber NN 28553 2802 18 edges edge NNS 28553 2802 19 ; ; : 28553 2802 20 and and CC 28553 2802 21 the the DT 28553 2802 22 _ _ NNP 28553 2802 23 arytenoid arytenoid NN 28553 2802 24 muscles muscle NNS 28553 2802 25 _ _ NNP 28553 2802 26 stand stand VBP 28553 2802 27 instead instead RB 28553 2802 28 of of IN 28553 2802 29 the the DT 28553 2802 30 hands hand NNS 28553 2802 31 . . . 28553 2803 1 When when WRB 28553 2803 2 contracted contract VBN 28553 2803 3 , , , 28553 2803 4 these these DT 28553 2803 5 muscles muscle NNS 28553 2803 6 bring bring VBP 28553 2803 7 the the DT 28553 2803 8 edges edge NNS 28553 2803 9 of of IN 28553 2803 10 the the DT 28553 2803 11 cords cord NNS 28553 2803 12 nearer nearer IN 28553 2803 13 to to IN 28553 2803 14 one one CD 28553 2803 15 another another DT 28553 2803 16 , , , 28553 2803 17 stretch stretch VB 28553 2803 18 the the DT 28553 2803 19 cords cord NNS 28553 2803 20 , , , 28553 2803 21 and and CC 28553 2803 22 shorten shorten VB 28553 2803 23 the the DT 28553 2803 24 cords cord NNS 28553 2803 25 . . . 28553 2804 1 A a DT 28553 2804 2 person person NN 28553 2804 3 gifted gift VBN 28553 2804 4 with with IN 28553 2804 5 a a DT 28553 2804 6 " " `` 28553 2804 7 very very RB 28553 2804 8 good good JJ 28553 2804 9 ear ear NN 28553 2804 10 " " '' 28553 2804 11 can can MD 28553 2804 12 , , , 28553 2804 13 it -PRON- PRP 28553 2804 14 has have VBZ 28553 2804 15 been be VBN 28553 2804 16 calculated calculate VBN 28553 2804 17 , , , 28553 2804 18 adjust adjust VB 28553 2804 19 the the DT 28553 2804 20 length length NN 28553 2804 21 of of IN 28553 2804 22 the the DT 28553 2804 23 vocal vocal JJ 28553 2804 24 cords cord NNS 28553 2804 25 to to IN 28553 2804 26 1/17000th 1/17000th CD 28553 2804 27 of of IN 28553 2804 28 an an DT 28553 2804 29 inch inch NN 28553 2804 30 ! ! . 28553 2805 1 Simultaneously simultaneously RB 28553 2805 2 with with IN 28553 2805 3 the the DT 28553 2805 4 adjustment adjustment NN 28553 2805 5 of of IN 28553 2805 6 the the DT 28553 2805 7 cords cord NNS 28553 2805 8 is be VBZ 28553 2805 9 effected effect VBN 28553 2805 10 the the DT 28553 2805 11 adjustment adjustment NN 28553 2805 12 of of IN 28553 2805 13 the the DT 28553 2805 14 length length NN 28553 2805 15 of of IN 28553 2805 16 the the DT 28553 2805 17 windpipe windpipe NN 28553 2805 18 , , , 28553 2805 19 so so IN 28553 2805 20 that that IN 28553 2805 21 the the DT 28553 2805 22 column column NN 28553 2805 23 of of IN 28553 2805 24 air air NN 28553 2805 25 in in IN 28553 2805 26 it -PRON- PRP 28553 2805 27 may may MD 28553 2805 28 be be VB 28553 2805 29 of of IN 28553 2805 30 the the DT 28553 2805 31 right right JJ 28553 2805 32 length length NN 28553 2805 33 to to TO 28553 2805 34 vibrate vibrate VB 28553 2805 35 in in IN 28553 2805 36 unison unison NNP 28553 2805 37 . . . 28553 2806 1 Here here RB 28553 2806 2 again again RB 28553 2806 3 is be VBZ 28553 2806 4 seen see VBN 28553 2806 5 a a DT 28553 2806 6 wonderful wonderful JJ 28553 2806 7 provision provision NN 28553 2806 8 of of IN 28553 2806 9 nature nature NN 28553 2806 10 . . . 28553 2807 1 The the DT 28553 2807 2 resonance resonance NN 28553 2807 3 of of IN 28553 2807 4 the the DT 28553 2807 5 mouth mouth NN 28553 2807 6 cavity cavity NN 28553 2807 7 is be VBZ 28553 2807 8 also also RB 28553 2807 9 of of IN 28553 2807 10 great great JJ 28553 2807 11 importance importance NN 28553 2807 12 . . . 28553 2808 1 By by IN 28553 2808 2 altering alter VBG 28553 2808 3 the the DT 28553 2808 4 shape shape NN 28553 2808 5 of of IN 28553 2808 6 the the DT 28553 2808 7 mouth mouth NN 28553 2808 8 the the DT 28553 2808 9 various various JJ 28553 2808 10 harmonics harmonic NNS 28553 2808 11 of of IN 28553 2808 12 any any DT 28553 2808 13 fundamental fundamental JJ 28553 2808 14 note note NN 28553 2808 15 produced produce VBN 28553 2808 16 by by IN 28553 2808 17 the the DT 28553 2808 18 larynx larynx NN 28553 2808 19 are be VBP 28553 2808 20 rendered render VBN 28553 2808 21 prominent prominent JJ 28553 2808 22 , , , 28553 2808 23 and and CC 28553 2808 24 so so RB 28553 2808 25 we -PRON- PRP 28553 2808 26 get get VBP 28553 2808 27 the the DT 28553 2808 28 different different JJ 28553 2808 29 vocal vocal JJ 28553 2808 30 sounds sound NNS 28553 2808 31 . . . 28553 2809 1 Helmholtz Helmholtz NNP 28553 2809 2 has have VBZ 28553 2809 3 shown show VBN 28553 2809 4 that that IN 28553 2809 5 the the DT 28553 2809 6 fundamental fundamental JJ 28553 2809 7 tone tone NN 28553 2809 8 of of IN 28553 2809 9 any any DT 28553 2809 10 note note NN 28553 2809 11 is be VBZ 28553 2809 12 represented represent VBN 28553 2809 13 by by IN 28553 2809 14 the the DT 28553 2809 15 sound sound NN 28553 2809 16 _ _ NNP 28553 2809 17 oo oo IN 28553 2809 18 _ _ NNP 28553 2809 19 . . . 28553 2810 1 If if IN 28553 2810 2 the the DT 28553 2810 3 mouth mouth NN 28553 2810 4 is be VBZ 28553 2810 5 adjusted adjust VBN 28553 2810 6 to to TO 28553 2810 7 bring bring VB 28553 2810 8 out out RP 28553 2810 9 the the DT 28553 2810 10 octave octave NN 28553 2810 11 of of IN 28553 2810 12 the the DT 28553 2810 13 fundamental fundamental NN 28553 2810 14 , , , 28553 2810 15 _ _ NNP 28553 2810 16 o o NNP 28553 2810 17 _ _ NNP 28553 2810 18 results result NNS 28553 2810 19 . . . 28553 2811 1 _ _ NNP 28553 2811 2 a a DT 28553 2811 3 _ _ NNP 28553 2811 4 is be VBZ 28553 2811 5 produced produce VBN 28553 2811 6 by by IN 28553 2811 7 accentuating accentuate VBG 28553 2811 8 the the DT 28553 2811 9 second second JJ 28553 2811 10 harmonic harmonic NNP 28553 2811 11 , , , 28553 2811 12 the the DT 28553 2811 13 twelfth twelfth JJ 28553 2811 14 ; ; : 28553 2811 15 _ _ NNP 28553 2811 16 ee ee NNP 28553 2811 17 _ _ NNP 28553 2811 18 by by IN 28553 2811 19 developing develop VBG 28553 2811 20 the the DT 28553 2811 21 second second JJ 28553 2811 22 and and CC 28553 2811 23 fourth fourth JJ 28553 2811 24 harmonics harmonic NNS 28553 2811 25 ; ; : 28553 2811 26 while while IN 28553 2811 27 for for IN 28553 2811 28 _ _ NNP 28553 2811 29 ah ah UH 28553 2811 30 _ _ NNP 28553 2811 31 the the DT 28553 2811 32 fifth fifth JJ 28553 2811 33 and and CC 28553 2811 34 seventh seventh JJ 28553 2811 35 must must MD 28553 2811 36 be be VB 28553 2811 37 prominent prominent JJ 28553 2811 38 . . . 28553 2812 1 When when WRB 28553 2812 2 we -PRON- PRP 28553 2812 3 whistle whistle VBP 28553 2812 4 we -PRON- PRP 28553 2812 5 transform transform VBP 28553 2812 6 the the DT 28553 2812 7 lips lip NNS 28553 2812 8 into into IN 28553 2812 9 a a DT 28553 2812 10 reed reed NN 28553 2812 11 and and CC 28553 2812 12 the the DT 28553 2812 13 mouth mouth NN 28553 2812 14 into into IN 28553 2812 15 a a DT 28553 2812 16 pipe pipe NN 28553 2812 17 . . . 28553 2813 1 The the DT 28553 2813 2 tension tension NN 28553 2813 3 of of IN 28553 2813 4 the the DT 28553 2813 5 lips lip NNS 28553 2813 6 and and CC 28553 2813 7 the the DT 28553 2813 8 shape shape NN 28553 2813 9 of of IN 28553 2813 10 the the DT 28553 2813 11 mouth mouth NN 28553 2813 12 cavity cavity NN 28553 2813 13 decide decide VB 28553 2813 14 the the DT 28553 2813 15 note note NN 28553 2813 16 . . . 28553 2814 1 The the DT 28553 2814 2 lips lip NNS 28553 2814 3 are be VBP 28553 2814 4 also also RB 28553 2814 5 used use VBN 28553 2814 6 as as IN 28553 2814 7 a a DT 28553 2814 8 reed reed NN 28553 2814 9 for for IN 28553 2814 10 blowing blow VBG 28553 2814 11 the the DT 28553 2814 12 flute flute NN 28553 2814 13 , , , 28553 2814 14 piccolo piccolo NN 28553 2814 15 , , , 28553 2814 16 and and CC 28553 2814 17 all all PDT 28553 2814 18 the the DT 28553 2814 19 brass brass NN 28553 2814 20 band band NN 28553 2814 21 instruments instrument NNS 28553 2814 22 of of IN 28553 2814 23 the the DT 28553 2814 24 cornet cornet JJ 28553 2814 25 order order NN 28553 2814 26 . . . 28553 2815 1 In in IN 28553 2815 2 blowing blow VBG 28553 2815 3 a a DT 28553 2815 4 coach coach NN 28553 2815 5 - - HYPH 28553 2815 6 horn horn NN 28553 2815 7 the the DT 28553 2815 8 various various JJ 28553 2815 9 harmonics harmonic NNS 28553 2815 10 of of IN 28553 2815 11 the the DT 28553 2815 12 fundamental fundamental JJ 28553 2815 13 note note NN 28553 2815 14 are be VBP 28553 2815 15 brought bring VBN 28553 2815 16 out out RP 28553 2815 17 by by IN 28553 2815 18 altering alter VBG 28553 2815 19 the the DT 28553 2815 20 lip lip NN 28553 2815 21 tension tension NN 28553 2815 22 and and CC 28553 2815 23 the the DT 28553 2815 24 wind wind NN 28553 2815 25 pressure pressure NN 28553 2815 26 . . . 28553 2816 1 A a DT 28553 2816 2 cornet cornet NN 28553 2816 3 is be VBZ 28553 2816 4 practically practically RB 28553 2816 5 a a DT 28553 2816 6 coach coach NN 28553 2816 7 - - HYPH 28553 2816 8 horn horn NN 28553 2816 9 rolled roll VBD 28553 2816 10 up up RP 28553 2816 11 into into IN 28553 2816 12 a a DT 28553 2816 13 convenient convenient JJ 28553 2816 14 shape shape NN 28553 2816 15 and and CC 28553 2816 16 furnished furnish VBD 28553 2816 17 with with IN 28553 2816 18 three three CD 28553 2816 19 keys key NNS 28553 2816 20 , , , 28553 2816 21 the the DT 28553 2816 22 depression depression NN 28553 2816 23 of of IN 28553 2816 24 which which WDT 28553 2816 25 puts put VBZ 28553 2816 26 extra extra JJ 28553 2816 27 lengths length NNS 28553 2816 28 of of IN 28553 2816 29 tubing tube VBG 28553 2816 30 in in IN 28553 2816 31 connection connection NN 28553 2816 32 with with IN 28553 2816 33 the the DT 28553 2816 34 main main JJ 28553 2816 35 tube tube NN 28553 2816 36 -- -- : 28553 2816 37 in in IN 28553 2816 38 fact fact NN 28553 2816 39 , , , 28553 2816 40 makes make VBZ 28553 2816 41 it -PRON- PRP 28553 2816 42 longer long RBR 28553 2816 43 . . . 28553 2817 1 One one CD 28553 2817 2 key key JJ 28553 2817 3 lowers lower VBZ 28553 2817 4 the the DT 28553 2817 5 fundamental fundamental JJ 28553 2817 6 note note NN 28553 2817 7 of of IN 28553 2817 8 the the DT 28553 2817 9 horn horn NN 28553 2817 10 half half PDT 28553 2817 11 a a DT 28553 2817 12 tone tone NN 28553 2817 13 ; ; : 28553 2817 14 the the DT 28553 2817 15 second second JJ 28553 2817 16 , , , 28553 2817 17 a a DT 28553 2817 18 full full JJ 28553 2817 19 tone tone NN 28553 2817 20 ; ; : 28553 2817 21 the the DT 28553 2817 22 third third JJ 28553 2817 23 , , , 28553 2817 24 a a DT 28553 2817 25 tone tone NN 28553 2817 26 and and CC 28553 2817 27 a a DT 28553 2817 28 half half NN 28553 2817 29 . . . 28553 2818 1 If if IN 28553 2818 2 the the DT 28553 2818 3 first first JJ 28553 2818 4 and and CC 28553 2818 5 third third JJ 28553 2818 6 are be VBP 28553 2818 7 pressed press VBN 28553 2818 8 down down RP 28553 2818 9 together together RB 28553 2818 10 , , , 28553 2818 11 the the DT 28553 2818 12 note note NN 28553 2818 13 sinks sink VBZ 28553 2818 14 two two CD 28553 2818 15 tones tone NNS 28553 2818 16 ; ; : 28553 2818 17 if if IN 28553 2818 18 the the DT 28553 2818 19 second second JJ 28553 2818 20 and and CC 28553 2818 21 third third JJ 28553 2818 22 , , , 28553 2818 23 two two CD 28553 2818 24 and and CC 28553 2818 25 a a DT 28553 2818 26 half half NN 28553 2818 27 tones tone NNS 28553 2818 28 ; ; : 28553 2818 29 and and CC 28553 2818 30 simultaneous simultaneous JJ 28553 2818 31 depression depression NN 28553 2818 32 of of IN 28553 2818 33 all all DT 28553 2818 34 three three CD 28553 2818 35 gives give VBZ 28553 2818 36 a a DT 28553 2818 37 drop drop NN 28553 2818 38 of of IN 28553 2818 39 three three CD 28553 2818 40 tones tone NNS 28553 2818 41 . . . 28553 2819 1 The the DT 28553 2819 2 performer performer NN 28553 2819 3 thus thus RB 28553 2819 4 has have VBZ 28553 2819 5 seven seven CD 28553 2819 6 possible possible JJ 28553 2819 7 fundamental fundamental JJ 28553 2819 8 notes note NNS 28553 2819 9 , , , 28553 2819 10 and and CC 28553 2819 11 several several JJ 28553 2819 12 harmonics harmonic NNS 28553 2819 13 of of IN 28553 2819 14 each each DT 28553 2819 15 of of IN 28553 2819 16 these these DT 28553 2819 17 at at IN 28553 2819 18 his -PRON- PRP$ 28553 2819 19 command command NN 28553 2819 20 ; ; : 28553 2819 21 so so IN 28553 2819 22 that that IN 28553 2819 23 by by IN 28553 2819 24 a a DT 28553 2819 25 proper proper JJ 28553 2819 26 manipulation manipulation NN 28553 2819 27 of of IN 28553 2819 28 the the DT 28553 2819 29 keys key NNS 28553 2819 30 he -PRON- PRP 28553 2819 31 can can MD 28553 2819 32 run run VB 28553 2819 33 up up RP 28553 2819 34 the the DT 28553 2819 35 chromatic chromatic JJ 28553 2819 36 scale scale NN 28553 2819 37 . . . 28553 2820 1 We -PRON- PRP 28553 2820 2 should should MD 28553 2820 3 add add VB 28553 2820 4 that that IN 28553 2820 5 the the DT 28553 2820 6 cornet cornet NN 28553 2820 7 tube tube NN 28553 2820 8 is be VBZ 28553 2820 9 an an DT 28553 2820 10 " " `` 28553 2820 11 open open JJ 28553 2820 12 " " '' 28553 2820 13 pipe pipe NN 28553 2820 14 . . . 28553 2821 1 So so RB 28553 2821 2 is be VBZ 28553 2821 3 that that DT 28553 2821 4 of of IN 28553 2821 5 the the DT 28553 2821 6 flute flute NN 28553 2821 7 . . . 28553 2822 1 The the DT 28553 2822 2 clarionet clarionet NN 28553 2822 3 is be VBZ 28553 2822 4 a a DT 28553 2822 5 " " `` 28553 2822 6 stopped stop VBN 28553 2822 7 " " '' 28553 2822 8 pipe pipe NN 28553 2822 9 . . . 28553 2823 1 [ [ -LRB- 28553 2823 2 29 29 CD 28553 2823 3 ] ] -RRB- 28553 2823 4 It -PRON- PRP 28553 2823 5 is be VBZ 28553 2823 6 obvious obvious JJ 28553 2823 7 that that IN 28553 2823 8 in in IN 28553 2823 9 Fig Fig NNP 28553 2823 10 . . . 28553 2824 1 136 136 CD 28553 2824 2 , , , 28553 2824 3 _ _ NNP 28553 2824 4 2 2 CD 28553 2824 5 _ _ NNP 28553 2824 6 , , , 28553 2824 7 a a DT 28553 2824 8 pulse pulse NN 28553 2824 9 will will MD 28553 2824 10 pass pass VB 28553 2824 11 from from IN 28553 2824 12 A a NN 28553 2824 13 to to IN 28553 2824 14 B b NN 28553 2824 15 and and CC 28553 2824 16 back back RB 28553 2824 17 in in IN 28553 2824 18 one one CD 28553 2824 19 - - HYPH 28553 2824 20 third third NN 28553 2824 21 the the DT 28553 2824 22 time time NN 28553 2824 23 required require VBN 28553 2824 24 for for IN 28553 2824 25 it -PRON- PRP 28553 2824 26 to to TO 28553 2824 27 pass pass VB 28553 2824 28 from from IN 28553 2824 29 A a NN 28553 2824 30 to to IN 28553 2824 31 B b NN 28553 2824 32 and and CC 28553 2824 33 back back RB 28553 2824 34 in in IN 28553 2824 35 Fig Fig NNP 28553 2824 36 . . . 28553 2825 1 136 136 CD 28553 2825 2 , , , 28553 2825 3 _ _ NNP 28553 2825 4 1 1 CD 28553 2825 5 _ _ NNP 28553 2825 6 . . . 28553 2826 1 [ [ -LRB- 28553 2826 2 30 30 CD 28553 2826 3 ] ] -RRB- 28553 2826 4 The the DT 28553 2826 5 science science NN 28553 2826 6 of of IN 28553 2826 7 hearing hearing NN 28553 2826 8 ; ; : 28553 2826 9 from from IN 28553 2826 10 the the DT 28553 2826 11 Greek greek JJ 28553 2826 12 verb verb NN 28553 2826 13 , , , 28553 2826 14 [ [ -LRB- 28553 2826 15 Greek Greek NNP 28553 2826 16 : : : 28553 2826 17 akouein akouein NNP 28553 2826 18 ] ] -RRB- 28553 2826 19 , , , 28553 2826 20 " " `` 28553 2826 21 to to TO 28553 2826 22 hear hear VB 28553 2826 23 . . . 28553 2826 24 " " '' 28553 2827 1 [ [ -LRB- 28553 2827 2 31 31 CD 28553 2827 3 ] ] -RRB- 28553 2827 4 " " `` 28553 2827 5 Organs Organs NNPS 28553 2827 6 and and CC 28553 2827 7 Tuning tuning NN 28553 2827 8 , , , 28553 2827 9 " " '' 28553 2827 10 p. p. NN 28553 2827 11 245 245 CD 28553 2827 12 . . . 28553 2828 1 Chapter chapter NN 28553 2828 2 XVI XVI NNP 28553 2828 3 . . . 28553 2829 1 TALKING TALKING NNP 28553 2829 2 - - HYPH 28553 2829 3 MACHINES MACHINES NNP 28553 2829 4 . . . 28553 2830 1 The the DT 28553 2830 2 phonograph phonograph NN 28553 2830 3 -- -- : 28553 2830 4 The the DT 28553 2830 5 recorder recorder NN 28553 2830 6 -- -- : 28553 2830 7 The the DT 28553 2830 8 reproducer reproducer NN 28553 2830 9 -- -- : 28553 2830 10 The the DT 28553 2830 11 gramophone gramophone NN 28553 2830 12 -- -- : 28553 2830 13 The the DT 28553 2830 14 making making NN 28553 2830 15 of of IN 28553 2830 16 records record NNS 28553 2830 17 -- -- : 28553 2830 18 Cylinder cylinder NN 28553 2830 19 records record NNS 28553 2830 20 -- -- : 28553 2830 21 Gramophone gramophone NN 28553 2830 22 records record NNS 28553 2830 23 . . . 28553 2831 1 In in IN 28553 2831 2 the the DT 28553 2831 3 Patent Patent NNP 28553 2831 4 Office Office NNP 28553 2831 5 Museum Museum NNP 28553 2831 6 at at IN 28553 2831 7 South South NNP 28553 2831 8 Kensington Kensington NNP 28553 2831 9 is be VBZ 28553 2831 10 a a DT 28553 2831 11 curious curious JJ 28553 2831 12 little little JJ 28553 2831 13 piece piece NN 28553 2831 14 of of IN 28553 2831 15 machinery machinery NN 28553 2831 16 -- -- : 28553 2831 17 a a DT 28553 2831 18 metal metal NN 28553 2831 19 cylinder cylinder NN 28553 2831 20 mounted mount VBN 28553 2831 21 on on IN 28553 2831 22 a a DT 28553 2831 23 long long JJ 28553 2831 24 axle axle NN 28553 2831 25 , , , 28553 2831 26 which which WDT 28553 2831 27 has have VBZ 28553 2831 28 at at IN 28553 2831 29 one one CD 28553 2831 30 end end NN 28553 2831 31 a a DT 28553 2831 32 screw screw NN 28553 2831 33 thread thread NN 28553 2831 34 chased chase VBN 28553 2831 35 along along IN 28553 2831 36 it -PRON- PRP 28553 2831 37 . . . 28553 2832 1 The the DT 28553 2832 2 screw screw NN 28553 2832 3 end end NN 28553 2832 4 rotates rotate NNS 28553 2832 5 in in IN 28553 2832 6 a a DT 28553 2832 7 socket socket NN 28553 2832 8 with with IN 28553 2832 9 a a DT 28553 2832 10 thread thread NN 28553 2832 11 of of IN 28553 2832 12 equal equal JJ 28553 2832 13 pitch pitch NN 28553 2832 14 cut cut VBN 28553 2832 15 in in IN 28553 2832 16 it -PRON- PRP 28553 2832 17 . . . 28553 2833 1 To to IN 28553 2833 2 the the DT 28553 2833 3 other other JJ 28553 2833 4 end end NN 28553 2833 5 is be VBZ 28553 2833 6 attached attach VBN 28553 2833 7 a a DT 28553 2833 8 handle handle NN 28553 2833 9 . . . 28553 2834 1 On on IN 28553 2834 2 an an DT 28553 2834 3 upright upright NN 28553 2834 4 near near IN 28553 2834 5 the the DT 28553 2834 6 cylinder cylinder NN 28553 2834 7 is be VBZ 28553 2834 8 mounted mount VBN 28553 2834 9 a a DT 28553 2834 10 sort sort NN 28553 2834 11 of of IN 28553 2834 12 drum drum NN 28553 2834 13 . . . 28553 2835 1 The the DT 28553 2835 2 membrane membrane NN 28553 2835 3 of of IN 28553 2835 4 the the DT 28553 2835 5 drum drum NN 28553 2835 6 carries carry VBZ 28553 2835 7 a a DT 28553 2835 8 needle needle NN 28553 2835 9 , , , 28553 2835 10 which which WDT 28553 2835 11 , , , 28553 2835 12 when when WRB 28553 2835 13 the the DT 28553 2835 14 membrane membrane NN 28553 2835 15 is be VBZ 28553 2835 16 agitated agitate VBN 28553 2835 17 by by IN 28553 2835 18 the the DT 28553 2835 19 air air NN 28553 2835 20 - - HYPH 28553 2835 21 waves wave NNS 28553 2835 22 set set VBN 28553 2835 23 up up RP 28553 2835 24 by by IN 28553 2835 25 human human JJ 28553 2835 26 speech speech NN 28553 2835 27 , , , 28553 2835 28 digs dig VBD 28553 2835 29 into into IN 28553 2835 30 a a DT 28553 2835 31 sheet sheet NN 28553 2835 32 of of IN 28553 2835 33 tinfoil tinfoil NN 28553 2835 34 wrapped wrap VBN 28553 2835 35 round round IN 28553 2835 36 the the DT 28553 2835 37 cylinder cylinder NN 28553 2835 38 , , , 28553 2835 39 pressing press VBG 28553 2835 40 it -PRON- PRP 28553 2835 41 into into IN 28553 2835 42 a a DT 28553 2835 43 helical helical JJ 28553 2835 44 groove groove NN 28553 2835 45 turned turn VBD 28553 2835 46 on on RP 28553 2835 47 the the DT 28553 2835 48 cylinder cylinder NN 28553 2835 49 from from IN 28553 2835 50 end end NN 28553 2835 51 to to IN 28553 2835 52 end end NN 28553 2835 53 . . . 28553 2836 1 This this DT 28553 2836 2 construction construction NN 28553 2836 3 is be VBZ 28553 2836 4 the the DT 28553 2836 5 first first JJ 28553 2836 6 phonograph phonograph NN 28553 2836 7 ever ever RB 28553 2836 8 made make VBN 28553 2836 9 . . . 28553 2837 1 Thomas Thomas NNP 28553 2837 2 Edison Edison NNP 28553 2837 3 , , , 28553 2837 4 the the DT 28553 2837 5 " " `` 28553 2837 6 wizard wizard NN 28553 2837 7 of of IN 28553 2837 8 the the DT 28553 2837 9 West West NNP 28553 2837 10 , , , 28553 2837 11 " " '' 28553 2837 12 devised devise VBD 28553 2837 13 it -PRON- PRP 28553 2837 14 in in IN 28553 2837 15 1876 1876 CD 28553 2837 16 ; ; : 28553 2837 17 and and CC 28553 2837 18 from from IN 28553 2837 19 this this DT 28553 2837 20 rude rude JJ 28553 2837 21 parent parent NN 28553 2837 22 have have VBP 28553 2837 23 descended descend VBN 28553 2837 24 the the DT 28553 2837 25 beautiful beautiful JJ 28553 2837 26 machines machine NNS 28553 2837 27 which which WDT 28553 2837 28 record record VBP 28553 2837 29 and and CC 28553 2837 30 reproduce reproduce VB 28553 2837 31 human human JJ 28553 2837 32 speech speech NN 28553 2837 33 and and CC 28553 2837 34 musical musical JJ 28553 2837 35 sounds sound NNS 28553 2837 36 with with IN 28553 2837 37 startling startling JJ 28553 2837 38 accuracy accuracy NN 28553 2837 39 . . . 28553 2838 1 [ [ -LRB- 28553 2838 2 Illustration illustration NN 28553 2838 3 : : : 28553 2838 4 FIG FIG NNP 28553 2838 5 . . . 28553 2839 1 146.--The 146.--the CD 28553 2839 2 " " `` 28553 2839 3 governor governor NN 28553 2839 4 " " '' 28553 2839 5 of of IN 28553 2839 6 a a DT 28553 2839 7 phonograph phonograph NN 28553 2839 8 . . . 28553 2839 9 ] ] -RRB- 28553 2840 1 We -PRON- PRP 28553 2840 2 do do VBP 28553 2840 3 not not RB 28553 2840 4 propose propose VB 28553 2840 5 to to IN 28553 2840 6 trace trace NN 28553 2840 7 here here RB 28553 2840 8 the the DT 28553 2840 9 development development NN 28553 2840 10 of of IN 28553 2840 11 the the DT 28553 2840 12 talking talk VBG 28553 2840 13 - - HYPH 28553 2840 14 machine machine NN 28553 2840 15 ; ; : 28553 2840 16 nor nor CC 28553 2840 17 will will MD 28553 2840 18 it -PRON- PRP 28553 2840 19 be be VB 28553 2840 20 necessary necessary JJ 28553 2840 21 to to TO 28553 2840 22 describe describe VB 28553 2840 23 in in IN 28553 2840 24 detail detail NN 28553 2840 25 its -PRON- PRP$ 28553 2840 26 mechanism mechanism NN 28553 2840 27 , , , 28553 2840 28 which which WDT 28553 2840 29 is be VBZ 28553 2840 30 probably probably RB 28553 2840 31 well well RB 28553 2840 32 known known JJ 28553 2840 33 to to IN 28553 2840 34 most most JJS 28553 2840 35 readers reader NNS 28553 2840 36 , , , 28553 2840 37 or or CC 28553 2840 38 could could MD 28553 2840 39 be be VB 28553 2840 40 mastered master VBN 28553 2840 41 in in IN 28553 2840 42 a a DT 28553 2840 43 very very RB 28553 2840 44 short short JJ 28553 2840 45 time time NN 28553 2840 46 on on IN 28553 2840 47 personal personal JJ 28553 2840 48 examination examination NN 28553 2840 49 . . . 28553 2841 1 We -PRON- PRP 28553 2841 2 will will MD 28553 2841 3 content content VB 28553 2841 4 ourselves -PRON- PRP 28553 2841 5 with with IN 28553 2841 6 saying say VBG 28553 2841 7 that that IN 28553 2841 8 the the DT 28553 2841 9 wax wax NN 28553 2841 10 cylinder cylinder NN 28553 2841 11 of of IN 28553 2841 12 the the DT 28553 2841 13 phonograph phonograph NN 28553 2841 14 , , , 28553 2841 15 or or CC 28553 2841 16 the the DT 28553 2841 17 ebonite ebonite JJ 28553 2841 18 disc disc NN 28553 2841 19 of of IN 28553 2841 20 the the DT 28553 2841 21 gramophone gramophone NN 28553 2841 22 , , , 28553 2841 23 is be VBZ 28553 2841 24 generally generally RB 28553 2841 25 rotated rotate VBN 28553 2841 26 by by IN 28553 2841 27 clockwork clockwork NN 28553 2841 28 concealed conceal VBD 28553 2841 29 in in IN 28553 2841 30 the the DT 28553 2841 31 body body NN 28553 2841 32 of of IN 28553 2841 33 the the DT 28553 2841 34 machine machine NN 28553 2841 35 . . . 28553 2842 1 The the DT 28553 2842 2 speed speed NN 28553 2842 3 of of IN 28553 2842 4 rotation rotation NN 28553 2842 5 has have VBZ 28553 2842 6 to to TO 28553 2842 7 be be VB 28553 2842 8 very very RB 28553 2842 9 carefully carefully RB 28553 2842 10 governed govern VBN 28553 2842 11 , , , 28553 2842 12 in in IN 28553 2842 13 order order NN 28553 2842 14 that that IN 28553 2842 15 the the DT 28553 2842 16 record record NN 28553 2842 17 may may MD 28553 2842 18 revolve revolve VB 28553 2842 19 under under IN 28553 2842 20 the the DT 28553 2842 21 reproducing reproducing NN 28553 2842 22 point point NN 28553 2842 23 at at IN 28553 2842 24 a a DT 28553 2842 25 uniform uniform JJ 28553 2842 26 speed speed NN 28553 2842 27 . . . 28553 2843 1 The the DT 28553 2843 2 principle principle NN 28553 2843 3 of of IN 28553 2843 4 the the DT 28553 2843 5 governor governor NN 28553 2843 6 commonly commonly RB 28553 2843 7 used use VBD 28553 2843 8 appears appear VBZ 28553 2843 9 in in IN 28553 2843 10 Fig Fig NNP 28553 2843 11 . . . 28553 2844 1 146 146 CD 28553 2844 2 . . . 28553 2845 1 The the DT 28553 2845 2 last last JJ 28553 2845 3 pinion pinion NN 28553 2845 4 of of IN 28553 2845 5 the the DT 28553 2845 6 clockwork clockwork NN 28553 2845 7 train train NN 28553 2845 8 is be VBZ 28553 2845 9 mounted mount VBN 28553 2845 10 on on IN 28553 2845 11 a a DT 28553 2845 12 shaft shaft NN 28553 2845 13 carrying carry VBG 28553 2845 14 two two CD 28553 2845 15 triangular triangular JJ 28553 2845 16 plates plate NNS 28553 2845 17 , , , 28553 2845 18 A a NN 28553 2845 19 and and CC 28553 2845 20 C C NNP 28553 2845 21 , , , 28553 2845 22 to to TO 28553 2845 23 which which WDT 28553 2845 24 are be VBP 28553 2845 25 attached attach VBN 28553 2845 26 three three CD 28553 2845 27 short short JJ 28553 2845 28 lengths length NNS 28553 2845 29 of of IN 28553 2845 30 flat flat JJ 28553 2845 31 steel steel NN 28553 2845 32 spring spring NN 28553 2845 33 with with IN 28553 2845 34 a a DT 28553 2845 35 heavy heavy JJ 28553 2845 36 ball ball NN 28553 2845 37 attached attach VBN 28553 2845 38 to to IN 28553 2845 39 the the DT 28553 2845 40 centre centre NN 28553 2845 41 of of IN 28553 2845 42 each each DT 28553 2845 43 . . . 28553 2846 1 A a DT 28553 2846 2 is be VBZ 28553 2846 3 fixed fix VBN 28553 2846 4 ; ; : 28553 2846 5 C C NNP 28553 2846 6 moves move VBZ 28553 2846 7 up up RP 28553 2846 8 the the DT 28553 2846 9 shaft shaft NN 28553 2846 10 as as IN 28553 2846 11 the the DT 28553 2846 12 balls ball NNS 28553 2846 13 fly fly VBP 28553 2846 14 out out RP 28553 2846 15 , , , 28553 2846 16 and and CC 28553 2846 17 pulls pull VBZ 28553 2846 18 with with IN 28553 2846 19 it -PRON- PRP 28553 2846 20 the the DT 28553 2846 21 disc disc NN 28553 2846 22 D d NN 28553 2846 23 , , , 28553 2846 24 which which WDT 28553 2846 25 rubs rub VBZ 28553 2846 26 against against IN 28553 2846 27 the the DT 28553 2846 28 pad pad NNP 28553 2846 29 P P NNP 28553 2846 30 ( ( -LRB- 28553 2846 31 on on IN 28553 2846 32 the the DT 28553 2846 33 end end NN 28553 2846 34 of of IN 28553 2846 35 a a DT 28553 2846 36 spring spring NN 28553 2846 37 ) ) -RRB- 28553 2846 38 and and CC 28553 2846 39 sets set VBZ 28553 2846 40 up up RP 28553 2846 41 sufficient sufficient JJ 28553 2846 42 friction friction NN 28553 2846 43 to to TO 28553 2846 44 slow slow VB 28553 2846 45 the the DT 28553 2846 46 clockwork clockwork NN 28553 2846 47 . . . 28553 2847 1 The the DT 28553 2847 2 limit limit NN 28553 2847 3 rate rate NN 28553 2847 4 is be VBZ 28553 2847 5 regulated regulate VBN 28553 2847 6 by by IN 28553 2847 7 screw screw NNP 28553 2847 8 S. S. NNP 28553 2847 9 THE THE NNP 28553 2847 10 PHONOGRAPH PHONOGRAPH NNP 28553 2847 11 . . . 28553 2848 1 Though though IN 28553 2848 2 the the DT 28553 2848 3 recording recording NN 28553 2848 4 and and CC 28553 2848 5 reproducing reproduce VBG 28553 2848 6 apparatus apparatus NN 28553 2848 7 of of IN 28553 2848 8 a a DT 28553 2848 9 phonograph phonograph NN 28553 2848 10 gives give VBZ 28553 2848 11 very very RB 28553 2848 12 wonderful wonderful JJ 28553 2848 13 results result NNS 28553 2848 14 , , , 28553 2848 15 its -PRON- PRP$ 28553 2848 16 construction construction NN 28553 2848 17 is be VBZ 28553 2848 18 quite quite RB 28553 2848 19 simple simple JJ 28553 2848 20 . . . 28553 2849 1 At at IN 28553 2849 2 the the DT 28553 2849 3 same same JJ 28553 2849 4 time time NN 28553 2849 5 , , , 28553 2849 6 it -PRON- PRP 28553 2849 7 must must MD 28553 2849 8 be be VB 28553 2849 9 borne bear VBN 28553 2849 10 in in IN 28553 2849 11 mind mind NN 28553 2849 12 that that IN 28553 2849 13 an an DT 28553 2849 14 immense immense JJ 28553 2849 15 amount amount NN 28553 2849 16 of of IN 28553 2849 17 experimenting experimenting NN 28553 2849 18 has have VBZ 28553 2849 19 been be VBN 28553 2849 20 devoted devote VBN 28553 2849 21 to to IN 28553 2849 22 finding find VBG 28553 2849 23 out out RP 28553 2849 24 the the DT 28553 2849 25 most most RBS 28553 2849 26 suitable suitable JJ 28553 2849 27 materials material NNS 28553 2849 28 and and CC 28553 2849 29 forms form NNS 28553 2849 30 for for IN 28553 2849 31 the the DT 28553 2849 32 parts part NNS 28553 2849 33 . . . 28553 2850 1 [ [ -LRB- 28553 2850 2 Illustration illustration NN 28553 2850 3 : : : 28553 2850 4 FIG FIG NNP 28553 2850 5 . . . 28553 2851 1 147.--Section 147.--section CD 28553 2851 2 of of IN 28553 2851 3 an an DT 28553 2851 4 Edison Edison NNP 28553 2851 5 Bell Bell NNP 28553 2851 6 phonograph phonograph NN 28553 2851 7 recorder recorder NN 28553 2851 8 . . . 28553 2851 9 ] ] -RRB- 28553 2852 1 The the DT 28553 2852 2 _ _ NNP 28553 2852 3 recorder recorder NN 28553 2852 4 _ _ NNP 28553 2852 5 ( ( -LRB- 28553 2852 6 Fig Fig NNP 28553 2852 7 . . . 28553 2853 1 147 147 CD 28553 2853 2 ) ) -RRB- 28553 2853 3 is be VBZ 28553 2853 4 a a DT 28553 2853 5 little little JJ 28553 2853 6 circular circular JJ 28553 2853 7 box box NN 28553 2853 8 about about RB 28553 2853 9 one one CD 28553 2853 10 and and CC 28553 2853 11 a a DT 28553 2853 12 half half NN 28553 2853 13 inches inch NNS 28553 2853 14 in in IN 28553 2853 15 diameter diameter NN 28553 2853 16 . . . 28553 2854 1 [ [ -LRB- 28553 2854 2 32 32 CD 28553 2854 3 ] ] -RRB- 28553 2854 4 From from IN 28553 2854 5 the the DT 28553 2854 6 top top NN 28553 2854 7 a a DT 28553 2854 8 tube tube NN 28553 2854 9 leads lead VBZ 28553 2854 10 to to IN 28553 2854 11 the the DT 28553 2854 12 horn horn NN 28553 2854 13 . . . 28553 2855 1 The the DT 28553 2855 2 bottom bottom NN 28553 2855 3 is be VBZ 28553 2855 4 a a DT 28553 2855 5 circular circular JJ 28553 2855 6 plate plate NN 28553 2855 7 , , , 28553 2855 8 C C NNP 28553 2855 9 C C NNP 28553 2855 10 , , , 28553 2855 11 hinged hinge VBD 28553 2855 12 at at IN 28553 2855 13 one one CD 28553 2855 14 side side NN 28553 2855 15 . . . 28553 2856 1 This this DT 28553 2856 2 plate plate NN 28553 2856 3 supports support VBZ 28553 2856 4 a a DT 28553 2856 5 glass glass NN 28553 2856 6 disc disc NN 28553 2856 7 , , , 28553 2856 8 D d NN 28553 2856 9 , , , 28553 2856 10 about about IN 28553 2856 11 1/150th 1/150th NNS 28553 2856 12 of of IN 28553 2856 13 an an DT 28553 2856 14 inch inch NN 28553 2856 15 thick thick JJ 28553 2856 16 , , , 28553 2856 17 to to TO 28553 2856 18 which which WDT 28553 2856 19 is be VBZ 28553 2856 20 attached attach VBN 28553 2856 21 the the DT 28553 2856 22 cutting cut VBG 28553 2856 23 stylus stylus NN 28553 2856 24 -- -- : 28553 2856 25 a a DT 28553 2856 26 tiny tiny JJ 28553 2856 27 sapphire sapphire NN 28553 2856 28 rod rod NN 28553 2856 29 with with IN 28553 2856 30 a a DT 28553 2856 31 cup cup NN 28553 2856 32 - - HYPH 28553 2856 33 shaped shaped JJ 28553 2856 34 end end NN 28553 2856 35 having have VBG 28553 2856 36 very very RB 28553 2856 37 sharp sharp JJ 28553 2856 38 edges edge NNS 28553 2856 39 . . . 28553 2857 1 Sound sound NN 28553 2857 2 - - HYPH 28553 2857 3 waves wave NNS 28553 2857 4 enter enter VBP 28553 2857 5 the the DT 28553 2857 6 box box NN 28553 2857 7 through through IN 28553 2857 8 the the DT 28553 2857 9 horn horn NN 28553 2857 10 tube tube NN 28553 2857 11 ; ; : 28553 2857 12 but but CC 28553 2857 13 instead instead RB 28553 2857 14 of of IN 28553 2857 15 being be VBG 28553 2857 16 allowed allow VBN 28553 2857 17 to to TO 28553 2857 18 fill fill VB 28553 2857 19 the the DT 28553 2857 20 whole whole JJ 28553 2857 21 box box NN 28553 2857 22 , , , 28553 2857 23 they -PRON- PRP 28553 2857 24 are be VBP 28553 2857 25 concentrated concentrate VBN 28553 2857 26 by by IN 28553 2857 27 the the DT 28553 2857 28 shifting shifting NN 28553 2857 29 nozzle nozzle NN 28553 2857 30 N n NN 28553 2857 31 on on IN 28553 2857 32 to to IN 28553 2857 33 the the DT 28553 2857 34 centre centre NN 28553 2857 35 of of IN 28553 2857 36 the the DT 28553 2857 37 glass glass NN 28553 2857 38 disc disc NN 28553 2857 39 through through IN 28553 2857 40 the the DT 28553 2857 41 hole hole NN 28553 2857 42 in in IN 28553 2857 43 C C NNP 28553 2857 44 C. C. NNP 28553 2857 45 You -PRON- PRP 28553 2857 46 will will MD 28553 2857 47 notice notice VB 28553 2857 48 that that IN 28553 2857 49 N N NNP 28553 2857 50 has have VBZ 28553 2857 51 a a DT 28553 2857 52 ball ball NN 28553 2857 53 end end NN 28553 2857 54 , , , 28553 2857 55 and and CC 28553 2857 56 C c NN 28553 2857 57 C C NNP 28553 2857 58 a a DT 28553 2857 59 socket socket NN 28553 2857 60 to to TO 28553 2857 61 fit fit VB 28553 2857 62 N N NNP 28553 2857 63 exactly exactly RB 28553 2857 64 , , , 28553 2857 65 so so IN 28553 2857 66 that that IN 28553 2857 67 , , , 28553 2857 68 though though IN 28553 2857 69 C C NNP 28553 2857 70 C C NNP 28553 2857 71 and and CC 28553 2857 72 N N NNP 28553 2857 73 move move NN 28553 2857 74 up up RB 28553 2857 75 and and CC 28553 2857 76 down down IN 28553 2857 77 very very RB 28553 2857 78 rapidly rapidly RB 28553 2857 79 , , , 28553 2857 80 they -PRON- PRP 28553 2857 81 still still RB 28553 2857 82 make make VBP 28553 2857 83 perfect perfect JJ 28553 2857 84 contact contact NN 28553 2857 85 . . . 28553 2858 1 The the DT 28553 2858 2 disc disc NN 28553 2858 3 is be VBZ 28553 2858 4 vibrated vibrate VBN 28553 2858 5 by by IN 28553 2858 6 the the DT 28553 2858 7 sound sound NN 28553 2858 8 - - HYPH 28553 2858 9 impulses impulse NNS 28553 2858 10 , , , 28553 2858 11 and and CC 28553 2858 12 drives drive VBZ 28553 2858 13 the the DT 28553 2858 14 cutting cutting NN 28553 2858 15 point point NN 28553 2858 16 down down RP 28553 2858 17 into into IN 28553 2858 18 the the DT 28553 2858 19 surface surface NN 28553 2858 20 of of IN 28553 2858 21 the the DT 28553 2858 22 wax wax NN 28553 2858 23 cylinder cylinder NN 28553 2858 24 , , , 28553 2858 25 turning turn VBG 28553 2858 26 below below IN 28553 2858 27 it -PRON- PRP 28553 2858 28 in in IN 28553 2858 29 a a DT 28553 2858 30 clockwork clockwork NN 28553 2858 31 direction direction NN 28553 2858 32 . . . 28553 2859 1 The the DT 28553 2859 2 only only JJ 28553 2859 3 dead dead JJ 28553 2859 4 weight weight NN 28553 2859 5 pressing press VBG 28553 2859 6 on on IN 28553 2859 7 S S NNP 28553 2859 8 is be VBZ 28553 2859 9 that that DT 28553 2859 10 of of IN 28553 2859 11 N n NN 28553 2859 12 , , , 28553 2859 13 C C NNP 28553 2859 14 C C NNP 28553 2859 15 , , , 28553 2859 16 and and CC 28553 2859 17 the the DT 28553 2859 18 glass glass NN 28553 2859 19 diaphragm diaphragm NNP 28553 2859 20 . . . 28553 2860 1 [ [ -LRB- 28553 2860 2 Illustration illustration NN 28553 2860 3 : : : 28553 2860 4 FIG FIG NNP 28553 2860 5 . . . 28553 2861 1 148.--Perspective 148.--perspective CD 28553 2861 2 view view NN 28553 2861 3 of of IN 28553 2861 4 a a DT 28553 2861 5 phonograph phonograph NN 28553 2861 6 recorder recorder NN 28553 2861 7 . . . 28553 2861 8 ] ] -RRB- 28553 2862 1 As as IN 28553 2862 2 the the DT 28553 2862 3 cylinder cylinder NN 28553 2862 4 revolves revolve VBZ 28553 2862 5 , , , 28553 2862 6 the the DT 28553 2862 7 recorder recorder NN 28553 2862 8 is be VBZ 28553 2862 9 shifted shift VBN 28553 2862 10 continuously continuously RB 28553 2862 11 along along RB 28553 2862 12 by by IN 28553 2862 13 a a DT 28553 2862 14 leading lead VBG 28553 2862 15 screw screw NN 28553 2862 16 having have VBG 28553 2862 17 one one CD 28553 2862 18 hundred hundred CD 28553 2862 19 or or CC 28553 2862 20 more more JJR 28553 2862 21 threads thread NNS 28553 2862 22 to to IN 28553 2862 23 the the DT 28553 2862 24 inch inch NN 28553 2862 25 cut cut VBN 28553 2862 26 on on IN 28553 2862 27 it -PRON- PRP 28553 2862 28 , , , 28553 2862 29 so so IN 28553 2862 30 that that IN 28553 2862 31 it -PRON- PRP 28553 2862 32 traces trace VBZ 28553 2862 33 a a DT 28553 2862 34 continuous continuous JJ 28553 2862 35 helical helical JJ 28553 2862 36 groove groove NN 28553 2862 37 from from IN 28553 2862 38 one one CD 28553 2862 39 end end NN 28553 2862 40 of of IN 28553 2862 41 the the DT 28553 2862 42 wax wax NN 28553 2862 43 cylinder cylinder NN 28553 2862 44 to to IN 28553 2862 45 the the DT 28553 2862 46 other other JJ 28553 2862 47 . . . 28553 2863 1 This this DT 28553 2863 2 groove groove NN 28553 2863 3 is be VBZ 28553 2863 4 really really RB 28553 2863 5 a a DT 28553 2863 6 series series NN 28553 2863 7 of of IN 28553 2863 8 very very RB 28553 2863 9 minute minute JJ 28553 2863 10 indentations indentation NNS 28553 2863 11 , , , 28553 2863 12 not not RB 28553 2863 13 exceeding exceed VBG 28553 2863 14 1/1000th 1/1000th CD 28553 2863 15 of of IN 28553 2863 16 an an DT 28553 2863 17 inch inch NN 28553 2863 18 in in IN 28553 2863 19 depth depth NN 28553 2863 20 . . . 28553 2864 1 [ [ -LRB- 28553 2864 2 33 33 CD 28553 2864 3 ] ] -RRB- 28553 2864 4 Seen see VBN 28553 2864 5 under under IN 28553 2864 6 a a DT 28553 2864 7 microscope microscope NN 28553 2864 8 , , , 28553 2864 9 the the DT 28553 2864 10 surface surface NN 28553 2864 11 of of IN 28553 2864 12 the the DT 28553 2864 13 record record NN 28553 2864 14 is be VBZ 28553 2864 15 a a DT 28553 2864 16 succession succession NN 28553 2864 17 of of IN 28553 2864 18 hills hill NNS 28553 2864 19 and and CC 28553 2864 20 valleys valley NNS 28553 2864 21 , , , 28553 2864 22 some some DT 28553 2864 23 much much RB 28553 2864 24 larger large JJR 28553 2864 25 than than IN 28553 2864 26 others other NNS 28553 2864 27 ( ( -LRB- 28553 2864 28 Fig fig NN 28553 2864 29 . . . 28553 2865 1 151 151 CD 28553 2865 2 , , , 28553 2865 3 _ _ NNP 28553 2865 4 a a DT 28553 2865 5 _ _ NNP 28553 2865 6 ) ) -RRB- 28553 2865 7 . . . 28553 2866 1 A a DT 28553 2866 2 loud loud JJ 28553 2866 3 sound sound NN 28553 2866 4 causes cause VBZ 28553 2866 5 the the DT 28553 2866 6 stylus stylus NN 28553 2866 7 to to TO 28553 2866 8 give give VB 28553 2866 9 a a DT 28553 2866 10 vigorous vigorous JJ 28553 2866 11 dig dig NN 28553 2866 12 , , , 28553 2866 13 while while IN 28553 2866 14 low low JJ 28553 2866 15 sounds sound NNS 28553 2866 16 scarcely scarcely RB 28553 2866 17 move move VBP 28553 2866 18 it -PRON- PRP 28553 2866 19 at at RB 28553 2866 20 all all RB 28553 2866 21 . . . 28553 2867 1 The the DT 28553 2867 2 wonderful wonderful JJ 28553 2867 3 thing thing NN 28553 2867 4 about about IN 28553 2867 5 this this DT 28553 2867 6 sound sound NN 28553 2867 7 - - HYPH 28553 2867 8 recording recording NN 28553 2867 9 is be VBZ 28553 2867 10 , , , 28553 2867 11 that that IN 28553 2867 12 not not RB 28553 2867 13 only only RB 28553 2867 14 are be VBP 28553 2867 15 the the DT 28553 2867 16 fundamental fundamental JJ 28553 2867 17 tones tone NNS 28553 2867 18 of of IN 28553 2867 19 musical musical JJ 28553 2867 20 notes note NNS 28553 2867 21 impressed impress VBD 28553 2867 22 , , , 28553 2867 23 but but CC 28553 2867 24 also also RB 28553 2867 25 the the DT 28553 2867 26 harmonics harmonic NNS 28553 2867 27 , , , 28553 2867 28 which which WDT 28553 2867 29 enable enable VBP 28553 2867 30 us -PRON- PRP 28553 2867 31 to to TO 28553 2867 32 decide decide VB 28553 2867 33 at at IN 28553 2867 34 once once RB 28553 2867 35 whether whether IN 28553 2867 36 the the DT 28553 2867 37 record record NN 28553 2867 38 is be VBZ 28553 2867 39 one one CD 28553 2867 40 of of IN 28553 2867 41 a a DT 28553 2867 42 cornet cornet NN 28553 2867 43 , , , 28553 2867 44 violin violin NN 28553 2867 45 , , , 28553 2867 46 or or CC 28553 2867 47 banjo banjo NN 28553 2867 48 performance performance NN 28553 2867 49 . . . 28553 2868 1 Furthermore furthermore RB 28553 2868 2 , , , 28553 2868 3 if if IN 28553 2868 4 several several JJ 28553 2868 5 instruments instrument NNS 28553 2868 6 are be VBP 28553 2868 7 playing play VBG 28553 2868 8 simultaneously simultaneously RB 28553 2868 9 near near IN 28553 2868 10 the the DT 28553 2868 11 recorder recorder NN 28553 2868 12 's 's POS 28553 2868 13 horn horn NN 28553 2868 14 , , , 28553 2868 15 the the DT 28553 2868 16 stylus stylus NNP 28553 2868 17 catches catch VBZ 28553 2868 18 all all PDT 28553 2868 19 the the DT 28553 2868 20 different different JJ 28553 2868 21 shades shade NNS 28553 2868 22 of of IN 28553 2868 23 tone tone NN 28553 2868 24 of of IN 28553 2868 25 every every DT 28553 2868 26 note note NN 28553 2868 27 of of IN 28553 2868 28 a a DT 28553 2868 29 chord chord NN 28553 2868 30 . . . 28553 2869 1 There there EX 28553 2869 2 are be VBP 28553 2869 3 , , , 28553 2869 4 so so RB 28553 2869 5 to to TO 28553 2869 6 speak speak VB 28553 2869 7 , , , 28553 2869 8 minor minor JJ 28553 2869 9 hills hill NNS 28553 2869 10 and and CC 28553 2869 11 valleys valley NNS 28553 2869 12 cut cut VBN 28553 2869 13 in in IN 28553 2869 14 the the DT 28553 2869 15 slopes slope NNS 28553 2869 16 of of IN 28553 2869 17 the the DT 28553 2869 18 main main JJ 28553 2869 19 hills hill NNS 28553 2869 20 and and CC 28553 2869 21 valleys valley NNS 28553 2869 22 . . . 28553 2870 1 [ [ -LRB- 28553 2870 2 Illustration illustration NN 28553 2870 3 : : : 28553 2870 4 FIG FIG NNP 28553 2870 5 . . . 28553 2871 1 149.--Section 149.--section CD 28553 2871 2 of of IN 28553 2871 3 the the DT 28553 2871 4 reproducer reproducer NN 28553 2871 5 of of IN 28553 2871 6 an an DT 28553 2871 7 Edison Edison NNP 28553 2871 8 Bell Bell NNP 28553 2871 9 phonograph phonograph NN 28553 2871 10 . . . 28553 2871 11 ] ] -RRB- 28553 2872 1 [ [ -LRB- 28553 2872 2 Illustration illustration NN 28553 2872 3 : : : 28553 2872 4 FIG FIG NNP 28553 2872 5 . . . 28553 2873 1 150.--Perspective 150.--perspective CD 28553 2873 2 view view NN 28553 2873 3 of of IN 28553 2873 4 a a DT 28553 2873 5 phonograph phonograph NN 28553 2873 6 reproducer reproducer NN 28553 2873 7 . . . 28553 2873 8 ] ] -RRB- 28553 2874 1 The the DT 28553 2874 2 _ _ NNP 28553 2874 3 reproducer reproducer NN 28553 2874 4 _ _ NNP 28553 2874 5 ( ( -LRB- 28553 2874 6 Fig Fig NNP 28553 2874 7 . . . 28553 2875 1 149 149 CD 28553 2875 2 ) ) -RRB- 28553 2875 3 is be VBZ 28553 2875 4 somewhat somewhat RB 28553 2875 5 more more RBR 28553 2875 6 complicated complicated JJ 28553 2875 7 than than IN 28553 2875 8 the the DT 28553 2875 9 recorder recorder NN 28553 2875 10 . . . 28553 2876 1 As as IN 28553 2876 2 before before RB 28553 2876 3 , , , 28553 2876 4 we -PRON- PRP 28553 2876 5 have have VBP 28553 2876 6 a a DT 28553 2876 7 circular circular JJ 28553 2876 8 box box NN 28553 2876 9 communicating communicate VBG 28553 2876 10 with with IN 28553 2876 11 the the DT 28553 2876 12 horn horn NN 28553 2876 13 of of IN 28553 2876 14 the the DT 28553 2876 15 instrument instrument NN 28553 2876 16 . . . 28553 2877 1 A a DT 28553 2877 2 thin thin JJ 28553 2877 3 glass glass NN 28553 2877 4 disc disc NN 28553 2877 5 forms form VBZ 28553 2877 6 a a DT 28553 2877 7 bottom bottom NN 28553 2877 8 to to IN 28553 2877 9 the the DT 28553 2877 10 box box NN 28553 2877 11 . . . 28553 2878 1 It -PRON- PRP 28553 2878 2 is be VBZ 28553 2878 3 held hold VBN 28553 2878 4 in in IN 28553 2878 5 position position NN 28553 2878 6 between between IN 28553 2878 7 rubber rubber NN 28553 2878 8 rings ring NNS 28553 2878 9 , , , 28553 2878 10 R r NN 28553 2878 11 R r NN 28553 2878 12 , , , 28553 2878 13 by by IN 28553 2878 14 a a DT 28553 2878 15 screw screw NN 28553 2878 16 collar collar NN 28553 2878 17 , , , 28553 2878 18 C. C. NNP 28553 2878 19 To to IN 28553 2878 20 the the DT 28553 2878 21 centre centre NN 28553 2878 22 is be VBZ 28553 2878 23 attached attach VBN 28553 2878 24 a a DT 28553 2878 25 little little JJ 28553 2878 26 eye eye NN 28553 2878 27 , , , 28553 2878 28 from from IN 28553 2878 29 which which WDT 28553 2878 30 hangs hang VBZ 28553 2878 31 a a DT 28553 2878 32 link link NN 28553 2878 33 , , , 28553 2878 34 L. L. NNP 28553 2878 35 Pivoted Pivoted NNP 28553 2878 36 at at IN 28553 2878 37 P p NN 28553 2878 38 from from IN 28553 2878 39 one one CD 28553 2878 40 edge edge NN 28553 2878 41 of of IN 28553 2878 42 the the DT 28553 2878 43 box box NN 28553 2878 44 is be VBZ 28553 2878 45 a a DT 28553 2878 46 _ _ NNP 28553 2878 47 floating float VBG 28553 2878 48 weight weight NN 28553 2878 49 _ _ NNP 28553 2878 50 , , , 28553 2878 51 having have VBG 28553 2878 52 a a DT 28553 2878 53 circular circular JJ 28553 2878 54 opening opening NN 28553 2878 55 immediately immediately RB 28553 2878 56 under under IN 28553 2878 57 the the DT 28553 2878 58 eye eye NN 28553 2878 59 . . . 28553 2879 1 The the DT 28553 2879 2 link link NN 28553 2879 3 passes pass VBZ 28553 2879 4 through through IN 28553 2879 5 this this DT 28553 2879 6 to to IN 28553 2879 7 the the DT 28553 2879 8 left left JJ 28553 2879 9 end end NN 28553 2879 10 of of IN 28553 2879 11 a a DT 28553 2879 12 tiny tiny JJ 28553 2879 13 lever lever NN 28553 2879 14 , , , 28553 2879 15 which which WDT 28553 2879 16 rocks rock VBZ 28553 2879 17 on on IN 28553 2879 18 a a DT 28553 2879 19 pivot pivot NN 28553 2879 20 projecting projecting NN 28553 2879 21 from from IN 28553 2879 22 the the DT 28553 2879 23 weight weight NN 28553 2879 24 . . . 28553 2880 1 To to IN 28553 2880 2 the the DT 28553 2880 3 right right JJ 28553 2880 4 end end NN 28553 2880 5 of of IN 28553 2880 6 the the DT 28553 2880 7 lever lever NN 28553 2880 8 is be VBZ 28553 2880 9 affixed affix VBN 28553 2880 10 a a DT 28553 2880 11 sapphire sapphire NN 28553 2880 12 bar bar NN 28553 2880 13 , , , 28553 2880 14 or or CC 28553 2880 15 stylus stylus NNP 28553 2880 16 , , , 28553 2880 17 with with IN 28553 2880 18 a a DT 28553 2880 19 ball ball NN 28553 2880 20 end end NN 28553 2880 21 of of IN 28553 2880 22 a a DT 28553 2880 23 diameter diameter NN 28553 2880 24 equal equal JJ 28553 2880 25 to to IN 28553 2880 26 that that DT 28553 2880 27 of of IN 28553 2880 28 the the DT 28553 2880 29 cutting cutting NN 28553 2880 30 point point NN 28553 2880 31 of of IN 28553 2880 32 the the DT 28553 2880 33 recorder recorder NN 28553 2880 34 . . . 28553 2881 1 The the DT 28553 2881 2 floating float VBG 28553 2881 3 weight weight NN 28553 2881 4 presses press VBZ 28553 2881 5 the the DT 28553 2881 6 stylus stylus NN 28553 2881 7 against against IN 28553 2881 8 the the DT 28553 2881 9 record record NN 28553 2881 10 , , , 28553 2881 11 and and CC 28553 2881 12 also also RB 28553 2881 13 keeps keep VBZ 28553 2881 14 the the DT 28553 2881 15 link link NN 28553 2881 16 between between IN 28553 2881 17 the the DT 28553 2881 18 rocking rock VBG 28553 2881 19 lever lever NN 28553 2881 20 of of IN 28553 2881 21 the the DT 28553 2881 22 glass glass NN 28553 2881 23 diaphragm diaphragm VBN 28553 2881 24 in in IN 28553 2881 25 a a DT 28553 2881 26 state state NN 28553 2881 27 of of IN 28553 2881 28 tension tension NN 28553 2881 29 . . . 28553 2882 1 Every every DT 28553 2882 2 blow blow NN 28553 2882 3 given give VBN 28553 2882 4 to to IN 28553 2882 5 the the DT 28553 2882 6 stylus stylus NN 28553 2882 7 is be VBZ 28553 2882 8 therefore therefore RB 28553 2882 9 transmitted transmit VBN 28553 2882 10 by by IN 28553 2882 11 the the DT 28553 2882 12 link link NN 28553 2882 13 to to IN 28553 2882 14 the the DT 28553 2882 15 diaphragm diaphragm NN 28553 2882 16 , , , 28553 2882 17 which which WDT 28553 2882 18 vibrates vibrate VBZ 28553 2882 19 and and CC 28553 2882 20 sends send VBZ 28553 2882 21 an an DT 28553 2882 22 air air NN 28553 2882 23 - - HYPH 28553 2882 24 impulse impulse NN 28553 2882 25 into into IN 28553 2882 26 the the DT 28553 2882 27 horn horn NN 28553 2882 28 . . . 28553 2883 1 As as IN 28553 2883 2 the the DT 28553 2883 3 impulses impulse NNS 28553 2883 4 are be VBP 28553 2883 5 given give VBN 28553 2883 6 at at IN 28553 2883 7 the the DT 28553 2883 8 same same JJ 28553 2883 9 rate rate NN 28553 2883 10 as as IN 28553 2883 11 those those DT 28553 2883 12 which which WDT 28553 2883 13 agitated agitate VBD 28553 2883 14 the the DT 28553 2883 15 diaphragm diaphragm NN 28553 2883 16 of of IN 28553 2883 17 the the DT 28553 2883 18 recorder recorder NN 28553 2883 19 , , , 28553 2883 20 the the DT 28553 2883 21 sounds sound NNS 28553 2883 22 which which WDT 28553 2883 23 they -PRON- PRP 28553 2883 24 represent represent VBP 28553 2883 25 are be VBP 28553 2883 26 accurately accurately RB 28553 2883 27 reproduced reproduce VBN 28553 2883 28 , , , 28553 2883 29 even even RB 28553 2883 30 to to IN 28553 2883 31 the the DT 28553 2883 32 harmonics harmonic NNS 28553 2883 33 of of IN 28553 2883 34 a a DT 28553 2883 35 musical musical JJ 28553 2883 36 note note NN 28553 2883 37 . . . 28553 2884 1 THE the DT 28553 2884 2 GRAMOPHONE GRAMOPHONE NNP 28553 2884 3 . . . 28553 2885 1 This this DT 28553 2885 2 effects effect VBZ 28553 2885 3 the the DT 28553 2885 4 same same JJ 28553 2885 5 purpose purpose NN 28553 2885 6 as as IN 28553 2885 7 the the DT 28553 2885 8 phonograph phonograph NN 28553 2885 9 , , , 28553 2885 10 but but CC 28553 2885 11 in in IN 28553 2885 12 a a DT 28553 2885 13 somewhat somewhat RB 28553 2885 14 different different JJ 28553 2885 15 manner manner NN 28553 2885 16 . . . 28553 2886 1 The the DT 28553 2886 2 phonograph phonograph NN 28553 2886 3 recorder recorder NN 28553 2886 4 digs dig NNS 28553 2886 5 vertically vertically RB 28553 2886 6 downwards downwards RB 28553 2886 7 into into IN 28553 2886 8 the the DT 28553 2886 9 surface surface NN 28553 2886 10 of of IN 28553 2886 11 the the DT 28553 2886 12 record record NN 28553 2886 13 , , , 28553 2886 14 whereas whereas IN 28553 2886 15 the the DT 28553 2886 16 stylus stylus NNP 28553 2886 17 of of IN 28553 2886 18 the the DT 28553 2886 19 gramophone gramophone NN 28553 2886 20 wags wag NNS 28553 2886 21 from from IN 28553 2886 22 side side NN 28553 2886 23 to to IN 28553 2886 24 side side VB 28553 2886 25 and and CC 28553 2886 26 describes describe VBZ 28553 2886 27 a a DT 28553 2886 28 snaky snaky JJ 28553 2886 29 course course NN 28553 2886 30 ( ( -LRB- 28553 2886 31 Fig fig NN 28553 2886 32 . . . 28553 2887 1 151_b 151_b CD 28553 2887 2 _ _ NNP 28553 2887 3 ) ) -RRB- 28553 2887 4 . . . 28553 2888 1 It -PRON- PRP 28553 2888 2 makes make VBZ 28553 2888 3 no no DT 28553 2888 4 difference difference NN 28553 2888 5 in in IN 28553 2888 6 talking talking NN 28553 2888 7 - - HYPH 28553 2888 8 machines machine NNS 28553 2888 9 whether whether IN 28553 2888 10 the the DT 28553 2888 11 reproducing reproduce VBG 28553 2888 12 stylus stylus NNP 28553 2888 13 be be VB 28553 2888 14 moved move VBN 28553 2888 15 sideways sideways RB 28553 2888 16 or or CC 28553 2888 17 vertically vertically RB 28553 2888 18 by by IN 28553 2888 19 the the DT 28553 2888 20 record record NN 28553 2888 21 , , , 28553 2888 22 provided provide VBN 28553 2888 23 that that IN 28553 2888 24 motion motion NN 28553 2888 25 is be VBZ 28553 2888 26 imparted impart VBN 28553 2888 27 by by IN 28553 2888 28 it -PRON- PRP 28553 2888 29 to to IN 28553 2888 30 the the DT 28553 2888 31 diaphragm diaphragm NN 28553 2888 32 . . . 28553 2889 1 [ [ -LRB- 28553 2889 2 Illustration illustration NN 28553 2889 3 : : : 28553 2889 4 FIG FIG NNP 28553 2889 5 . . . 28553 2890 1 151_a 151_a NNP 28553 2890 2 . . . 28553 2890 3 _ _ NNP 28553 2890 4 ] ] -RRB- 28553 2890 5 [ [ -LRB- 28553 2890 6 Illustration illustration NN 28553 2890 7 : : : 28553 2890 8 FIG FIG NNP 28553 2890 9 . . . 28553 2891 1 151_b 151_b LS 28553 2891 2 . . . 28553 2891 3 _ _ NNP 28553 2891 4 ] ] -RRB- 28553 2891 5 [ [ -LRB- 28553 2891 6 Illustration illustration NN 28553 2891 7 : : : 28553 2891 8 FIG FIG NNP 28553 2891 9 . . . 28553 2892 1 151_c._--Section 151_c._--section CD 28553 2892 2 of of IN 28553 2892 3 a a DT 28553 2892 4 gramophone gramophone NN 28553 2892 5 reproducer reproducer NN 28553 2892 6 . . . 28553 2892 7 ] ] -RRB- 28553 2893 1 In in IN 28553 2893 2 Fig Fig NNP 28553 2893 3 . . . 28553 2894 1 151_c 151_c CD 28553 2894 2 _ _ NNP 28553 2894 3 the the DT 28553 2894 4 construction construction NN 28553 2894 5 of of IN 28553 2894 6 the the DT 28553 2894 7 gramophone gramophone NN 28553 2894 8 reproducer reproducer NN 28553 2894 9 is be VBZ 28553 2894 10 shown show VBN 28553 2894 11 in in IN 28553 2894 12 section section NN 28553 2894 13 . . . 28553 2895 1 A a DT 28553 2895 2 is be VBZ 28553 2895 3 the the DT 28553 2895 4 cover cover NN 28553 2895 5 which which WDT 28553 2895 6 screws screw VBZ 28553 2895 7 on on IN 28553 2895 8 to to IN 28553 2895 9 the the DT 28553 2895 10 bottom bottom NN 28553 2895 11 B B NNP 28553 2895 12 , , , 28553 2895 13 and and CC 28553 2895 14 confines confine VBZ 28553 2895 15 the the DT 28553 2895 16 diaphragm diaphragm VBN 28553 2895 17 D d NN 28553 2895 18 between between IN 28553 2895 19 itself -PRON- PRP 28553 2895 20 and and CC 28553 2895 21 a a DT 28553 2895 22 rubber rubber NN 28553 2895 23 ring ring NN 28553 2895 24 . . . 28553 2896 1 The the DT 28553 2896 2 portion portion NN 28553 2896 3 B b NN 28553 2896 4 is be VBZ 28553 2896 5 elongated elongate VBN 28553 2896 6 into into IN 28553 2896 7 a a DT 28553 2896 8 tubular tubular JJ 28553 2896 9 shape shape NN 28553 2896 10 for for IN 28553 2896 11 connection connection NN 28553 2896 12 with with IN 28553 2896 13 the the DT 28553 2896 14 horn horn NN 28553 2896 15 , , , 28553 2896 16 an an DT 28553 2896 17 arm arm NN 28553 2896 18 of of IN 28553 2896 19 which which WDT 28553 2896 20 slides slide VBZ 28553 2896 21 over over IN 28553 2896 22 the the DT 28553 2896 23 tube tube NN 28553 2896 24 and and CC 28553 2896 25 presses press NNS 28553 2896 26 against against IN 28553 2896 27 the the DT 28553 2896 28 rubber rubber NN 28553 2896 29 ring re VBG 28553 2896 30 C C NNP 28553 2896 31 to to TO 28553 2896 32 make make VB 28553 2896 33 an an DT 28553 2896 34 air air NN 28553 2896 35 - - HYPH 28553 2896 36 tight tight JJ 28553 2896 37 joint joint NN 28553 2896 38 . . . 28553 2897 1 The the DT 28553 2897 2 needle needle NN 28553 2897 3 - - HYPH 28553 2897 4 carrier carrier NN 28553 2897 5 N n CD 28553 2897 6 is be VBZ 28553 2897 7 attached attach VBN 28553 2897 8 at at IN 28553 2897 9 its -PRON- PRP$ 28553 2897 10 upper upper JJ 28553 2897 11 end end NN 28553 2897 12 to to IN 28553 2897 13 the the DT 28553 2897 14 centre centre NN 28553 2897 15 of of IN 28553 2897 16 the the DT 28553 2897 17 diaphragm diaphragm NN 28553 2897 18 . . . 28553 2898 1 At at IN 28553 2898 2 a a DT 28553 2898 3 point point NN 28553 2898 4 indicated indicate VBN 28553 2898 5 by by IN 28553 2898 6 the the DT 28553 2898 7 white white JJ 28553 2898 8 dot dot NN 28553 2898 9 a a DT 28553 2898 10 pin pin NN 28553 2898 11 passes pass VBZ 28553 2898 12 through through IN 28553 2898 13 it -PRON- PRP 28553 2898 14 and and CC 28553 2898 15 the the DT 28553 2898 16 cover cover NN 28553 2898 17 . . . 28553 2899 1 The the DT 28553 2899 2 lower low JJR 28553 2899 3 end end NN 28553 2899 4 is be VBZ 28553 2899 5 tubular tubular JJ 28553 2899 6 to to TO 28553 2899 7 accommodate accommodate VB 28553 2899 8 the the DT 28553 2899 9 steel steel NN 28553 2899 10 points point NNS 28553 2899 11 , , , 28553 2899 12 which which WDT 28553 2899 13 have have VBP 28553 2899 14 to to TO 28553 2899 15 be be VB 28553 2899 16 replaced replace VBN 28553 2899 17 after after IN 28553 2899 18 passing pass VBG 28553 2899 19 once once RB 28553 2899 20 over over IN 28553 2899 21 a a DT 28553 2899 22 record record NN 28553 2899 23 . . . 28553 2900 1 A a DT 28553 2900 2 screw screw NN 28553 2900 3 , , , 28553 2900 4 S S NNP 28553 2900 5 , , , 28553 2900 6 working work VBG 28553 2900 7 in in IN 28553 2900 8 a a DT 28553 2900 9 socket socket NN 28553 2900 10 projecting project VBG 28553 2900 11 from from IN 28553 2900 12 the the DT 28553 2900 13 carrier carrier NN 28553 2900 14 , , , 28553 2900 15 holds hold VBZ 28553 2900 16 the the DT 28553 2900 17 point point NN 28553 2900 18 fast fast RB 28553 2900 19 . . . 28553 2901 1 The the DT 28553 2901 2 record record NN 28553 2901 3 moves move VBZ 28553 2901 4 horizontally horizontally RB 28553 2901 5 under under IN 28553 2901 6 the the DT 28553 2901 7 point point NN 28553 2901 8 in in IN 28553 2901 9 a a DT 28553 2901 10 plane plane NN 28553 2901 11 perpendicular perpendicular JJ 28553 2901 12 to to IN 28553 2901 13 the the DT 28553 2901 14 page page NN 28553 2901 15 . . . 28553 2902 1 The the DT 28553 2902 2 groove groove NN 28553 2902 3 being be VBG 28553 2902 4 zigzag zigzag NNP 28553 2902 5 , , , 28553 2902 6 the the DT 28553 2902 7 needle needle NN 28553 2902 8 vibrates vibrate VBZ 28553 2902 9 right right RB 28553 2902 10 and and CC 28553 2902 11 left leave VBD 28553 2902 12 , , , 28553 2902 13 and and CC 28553 2902 14 rotating rotate VBG 28553 2902 15 the the DT 28553 2902 16 carrier carrier NN 28553 2902 17 a a DT 28553 2902 18 minute minute NN 28553 2902 19 fraction fraction NN 28553 2902 20 of of IN 28553 2902 21 an an DT 28553 2902 22 inch inch NN 28553 2902 23 on on IN 28553 2902 24 the the DT 28553 2902 25 pivot pivot NN 28553 2902 26 , , , 28553 2902 27 shakes shake VBZ 28553 2902 28 the the DT 28553 2902 29 glass glass NN 28553 2902 30 diaphragm diaphragm VBN 28553 2902 31 and and CC 28553 2902 32 sends send VBZ 28553 2902 33 waves wave NNS 28553 2902 34 of of IN 28553 2902 35 air air NN 28553 2902 36 into into IN 28553 2902 37 the the DT 28553 2902 38 horn horn NN 28553 2902 39 . . . 28553 2903 1 The the DT 28553 2903 2 gramophone gramophone NN 28553 2903 3 is be VBZ 28553 2903 4 a a DT 28553 2903 5 reproducing reproduce VBG 28553 2903 6 instrument instrument NN 28553 2903 7 only only RB 28553 2903 8 . . . 28553 2904 1 The the DT 28553 2904 2 records record NNS 28553 2904 3 are be VBP 28553 2904 4 made make VBN 28553 2904 5 on on IN 28553 2904 6 a a DT 28553 2904 7 special special JJ 28553 2904 8 machine machine NN 28553 2904 9 , , , 28553 2904 10 fitted fit VBD 28553 2904 11 with with IN 28553 2904 12 a a DT 28553 2904 13 device device NN 28553 2904 14 for for IN 28553 2904 15 causing cause VBG 28553 2904 16 the the DT 28553 2904 17 recorder recorder NN 28553 2904 18 point point NN 28553 2904 19 to to TO 28553 2904 20 describe describe VB 28553 2904 21 a a DT 28553 2904 22 spiral spiral JJ 28553 2904 23 course course NN 28553 2904 24 from from IN 28553 2904 25 the the DT 28553 2904 26 circumference circumference NN 28553 2904 27 to to IN 28553 2904 28 the the DT 28553 2904 29 centre centre NN 28553 2904 30 of of IN 28553 2904 31 the the DT 28553 2904 32 record record NN 28553 2904 33 disc disc NN 28553 2904 34 . . . 28553 2905 1 Some some DT 28553 2905 2 gramophone gramophone NN 28553 2905 3 records record NNS 28553 2905 4 have have VBP 28553 2905 5 as as RB 28553 2905 6 many many JJ 28553 2905 7 as as IN 28553 2905 8 250 250 CD 28553 2905 9 turns turn NNS 28553 2905 10 to to IN 28553 2905 11 the the DT 28553 2905 12 inch inch NN 28553 2905 13 . . . 28553 2906 1 The the DT 28553 2906 2 total total JJ 28553 2906 3 length length NN 28553 2906 4 of of IN 28553 2906 5 the the DT 28553 2906 6 tracing tracing NN 28553 2906 7 on on IN 28553 2906 8 a a DT 28553 2906 9 ten ten CD 28553 2906 10 - - HYPH 28553 2906 11 inch inch NN 28553 2906 12 " " `` 28553 2906 13 concert concert NN 28553 2906 14 " " '' 28553 2906 15 record record NN 28553 2906 16 is be VBZ 28553 2906 17 about about RB 28553 2906 18 1,000 1,000 CD 28553 2906 19 feet foot NNS 28553 2906 20 . . . 28553 2907 1 THE the DT 28553 2907 2 MAKING making NN 28553 2907 3 OF of IN 28553 2907 4 RECORDS record NNS 28553 2907 5 . . . 28553 2908 1 For for IN 28553 2908 2 commercial commercial JJ 28553 2908 3 purposes purpose NNS 28553 2908 4 it -PRON- PRP 28553 2908 5 would would MD 28553 2908 6 not not RB 28553 2908 7 pay pay VB 28553 2908 8 to to TO 28553 2908 9 make make VB 28553 2908 10 every every DT 28553 2908 11 record record NN 28553 2908 12 separately separately RB 28553 2908 13 in in IN 28553 2908 14 a a DT 28553 2908 15 recording recording NN 28553 2908 16 machine machine NN 28553 2908 17 . . . 28553 2909 1 The the DT 28553 2909 2 expense expense NN 28553 2909 3 of of IN 28553 2909 4 employing employ VBG 28553 2909 5 good good JJ 28553 2909 6 singers singer NNS 28553 2909 7 and and CC 28553 2909 8 instrumentalists instrumentalist NNS 28553 2909 9 renders render NNS 28553 2909 10 such such PDT 28553 2909 11 a a DT 28553 2909 12 method method NN 28553 2909 13 impracticable impracticable JJ 28553 2909 14 . . . 28553 2910 1 All all PDT 28553 2910 2 the the DT 28553 2910 3 records record NNS 28553 2910 4 we -PRON- PRP 28553 2910 5 buy buy VBP 28553 2910 6 are be VBP 28553 2910 7 made make VBN 28553 2910 8 from from IN 28553 2910 9 moulds mould NNS 28553 2910 10 , , , 28553 2910 11 the the DT 28553 2910 12 preparation preparation NN 28553 2910 13 of of IN 28553 2910 14 which which WDT 28553 2910 15 we -PRON- PRP 28553 2910 16 will will MD 28553 2910 17 now now RB 28553 2910 18 briefly briefly RB 28553 2910 19 describe describe VB 28553 2910 20 . . . 28553 2911 1 CYLINDER CYLINDER NNP 28553 2911 2 , , , 28553 2911 3 OR or CC 28553 2911 4 PHONOGRAPH PHONOGRAPH NNP 28553 2911 5 RECORDS RECORDS NNP 28553 2911 6 . . . 28553 2912 1 First first RB 28553 2912 2 of of IN 28553 2912 3 all all DT 28553 2912 4 , , , 28553 2912 5 a a DT 28553 2912 6 wax wax NN 28553 2912 7 record record NN 28553 2912 8 is be VBZ 28553 2912 9 made make VBN 28553 2912 10 in in IN 28553 2912 11 the the DT 28553 2912 12 ordinary ordinary JJ 28553 2912 13 way way NN 28553 2912 14 on on IN 28553 2912 15 a a DT 28553 2912 16 recording recording NN 28553 2912 17 machine machine NN 28553 2912 18 . . . 28553 2913 1 After after IN 28553 2913 2 being be VBG 28553 2913 3 tested test VBN 28553 2913 4 and and CC 28553 2913 5 approved approve VBN 28553 2913 6 , , , 28553 2913 7 it -PRON- PRP 28553 2913 8 is be VBZ 28553 2913 9 hung hang VBN 28553 2913 10 vertically vertically RB 28553 2913 11 and and CC 28553 2913 12 centrally centrally RB 28553 2913 13 from from IN 28553 2913 14 a a DT 28553 2913 15 rotating rotate VBG 28553 2913 16 table table NN 28553 2913 17 pivoted pivot VBN 28553 2913 18 on on IN 28553 2913 19 a a DT 28553 2913 20 vertical vertical JJ 28553 2913 21 metal metal NN 28553 2913 22 spike spike NN 28553 2913 23 passing pass VBG 28553 2913 24 up up RP 28553 2913 25 through through IN 28553 2913 26 the the DT 28553 2913 27 record record NN 28553 2913 28 . . . 28553 2914 1 On on IN 28553 2914 2 one one CD 28553 2914 3 side side NN 28553 2914 4 of of IN 28553 2914 5 the the DT 28553 2914 6 table table NN 28553 2914 7 is be VBZ 28553 2914 8 a a DT 28553 2914 9 piece piece NN 28553 2914 10 of of IN 28553 2914 11 iron iron NN 28553 2914 12 . . . 28553 2915 1 On on IN 28553 2915 2 each each DT 28553 2915 3 side side NN 28553 2915 4 of of IN 28553 2915 5 the the DT 28553 2915 6 record record NN 28553 2915 7 , , , 28553 2915 8 and and CC 28553 2915 9 a a DT 28553 2915 10 small small JJ 28553 2915 11 distance distance NN 28553 2915 12 away away RB 28553 2915 13 , , , 28553 2915 14 rises rise VBZ 28553 2915 15 a a DT 28553 2915 16 brass brass NN 28553 2915 17 rod rod NN 28553 2915 18 enclosed enclose VBN 28553 2915 19 in in IN 28553 2915 20 a a DT 28553 2915 21 glass glass NN 28553 2915 22 tube tube NN 28553 2915 23 . . . 28553 2916 1 The the DT 28553 2916 2 top top NN 28553 2916 3 of of IN 28553 2916 4 the the DT 28553 2916 5 rods rod NNS 28553 2916 6 are be VBP 28553 2916 7 hooked hooked JJ 28553 2916 8 , , , 28553 2916 9 so so IN 28553 2916 10 that that IN 28553 2916 11 pieces piece NNS 28553 2916 12 of of IN 28553 2916 13 gold gold NN 28553 2916 14 leaf leaf NN 28553 2916 15 may may MD 28553 2916 16 be be VB 28553 2916 17 suspended suspend VBN 28553 2916 18 from from IN 28553 2916 19 them -PRON- PRP 28553 2916 20 . . . 28553 2917 1 A a DT 28553 2917 2 bell bell NN 28553 2917 3 - - HYPH 28553 2917 4 glass glass NN 28553 2917 5 is be VBZ 28553 2917 6 now now RB 28553 2917 7 placed place VBN 28553 2917 8 over over IN 28553 2917 9 the the DT 28553 2917 10 record record NN 28553 2917 11 , , , 28553 2917 12 table table NN 28553 2917 13 , , , 28553 2917 14 and and CC 28553 2917 15 rods rod NNS 28553 2917 16 , , , 28553 2917 17 and and CC 28553 2917 18 the the DT 28553 2917 19 air air NN 28553 2917 20 is be VBZ 28553 2917 21 sucked suck VBN 28553 2917 22 out out RP 28553 2917 23 by by IN 28553 2917 24 a a DT 28553 2917 25 pump pump NN 28553 2917 26 . . . 28553 2918 1 As as RB 28553 2918 2 soon soon RB 28553 2918 3 as as IN 28553 2918 4 a a DT 28553 2918 5 good good JJ 28553 2918 6 vacuum vacuum NN 28553 2918 7 has have VBZ 28553 2918 8 been be VBN 28553 2918 9 obtained obtain VBN 28553 2918 10 , , , 28553 2918 11 the the DT 28553 2918 12 current current NN 28553 2918 13 from from IN 28553 2918 14 the the DT 28553 2918 15 secondary secondary JJ 28553 2918 16 circuit circuit NN 28553 2918 17 of of IN 28553 2918 18 an an DT 28553 2918 19 induction induction NN 28553 2918 20 coil coil NN 28553 2918 21 is be VBZ 28553 2918 22 sent send VBN 28553 2918 23 into into IN 28553 2918 24 the the DT 28553 2918 25 rods rod NNS 28553 2918 26 supporting support VBG 28553 2918 27 the the DT 28553 2918 28 gold gold NN 28553 2918 29 leaves leave NNS 28553 2918 30 , , , 28553 2918 31 which which WDT 28553 2918 32 are be VBP 28553 2918 33 volatilized volatilize VBN 28553 2918 34 by by IN 28553 2918 35 the the DT 28553 2918 36 current current JJ 28553 2918 37 jumping jumping NN 28553 2918 38 from from IN 28553 2918 39 one one CD 28553 2918 40 to to IN 28553 2918 41 the the DT 28553 2918 42 other other JJ 28553 2918 43 . . . 28553 2919 1 A a DT 28553 2919 2 magnet magnet NN 28553 2919 3 , , , 28553 2919 4 whirled whirl VBN 28553 2919 5 outside outside IN 28553 2919 6 the the DT 28553 2919 7 bell bell NNP 28553 2919 8 - - HYPH 28553 2919 9 glass glass NNP 28553 2919 10 , , , 28553 2919 11 draws draw VBZ 28553 2919 12 round round IN 28553 2919 13 the the DT 28553 2919 14 iron iron NN 28553 2919 15 armature armature NN 28553 2919 16 on on IN 28553 2919 17 the the DT 28553 2919 18 pivoted pivoted JJ 28553 2919 19 table table NN 28553 2919 20 , , , 28553 2919 21 and and CC 28553 2919 22 consequently consequently RB 28553 2919 23 revolves revolve VBZ 28553 2919 24 the the DT 28553 2919 25 record record NN 28553 2919 26 , , , 28553 2919 27 on on IN 28553 2919 28 the the DT 28553 2919 29 surface surface NN 28553 2919 30 of of IN 28553 2919 31 which which WDT 28553 2919 32 a a DT 28553 2919 33 very very RB 28553 2919 34 thin thin JJ 28553 2919 35 coating coating NN 28553 2919 36 of of IN 28553 2919 37 gold gold NN 28553 2919 38 is be VBZ 28553 2919 39 deposited deposit VBN 28553 2919 40 . . . 28553 2920 1 The the DT 28553 2920 2 record record NN 28553 2920 3 is be VBZ 28553 2920 4 next next RB 28553 2920 5 placed place VBN 28553 2920 6 in in IN 28553 2920 7 an an DT 28553 2920 8 electroplating electroplate VBG 28553 2920 9 bath bath NN 28553 2920 10 until until IN 28553 2920 11 a a DT 28553 2920 12 copper copper NN 28553 2920 13 shell shell NN 28553 2920 14 one one CD 28553 2920 15 - - HYPH 28553 2920 16 sixteenth sixteenth NN 28553 2920 17 of of IN 28553 2920 18 an an DT 28553 2920 19 inch inch NN 28553 2920 20 thick thick JJ 28553 2920 21 has have VBZ 28553 2920 22 formed form VBN 28553 2920 23 all all RB 28553 2920 24 over over IN 28553 2920 25 the the DT 28553 2920 26 outside outside NN 28553 2920 27 . . . 28553 2921 1 This this DT 28553 2921 2 is be VBZ 28553 2921 3 trued true VBN 28553 2921 4 up up RP 28553 2921 5 on on IN 28553 2921 6 a a DT 28553 2921 7 lathe lathe NN 28553 2921 8 and and CC 28553 2921 9 encased encase VBN 28553 2921 10 in in IN 28553 2921 11 a a DT 28553 2921 12 brass brass NN 28553 2921 13 tube tube NN 28553 2921 14 . . . 28553 2922 1 The the DT 28553 2922 2 " " `` 28553 2922 3 master master NN 28553 2922 4 , , , 28553 2922 5 " " '' 28553 2922 6 or or CC 28553 2922 7 original original JJ 28553 2922 8 wax wax NN 28553 2922 9 record record NN 28553 2922 10 , , , 28553 2922 11 is be VBZ 28553 2922 12 removed remove VBN 28553 2922 13 by by IN 28553 2922 14 cooling cool VBG 28553 2922 15 it -PRON- PRP 28553 2922 16 till till IN 28553 2922 17 it -PRON- PRP 28553 2922 18 contracts contract VBZ 28553 2922 19 sufficiently sufficiently RB 28553 2922 20 to to TO 28553 2922 21 fall fall VB 28553 2922 22 out out IN 28553 2922 23 of of IN 28553 2922 24 the the DT 28553 2922 25 copper copper NN 28553 2922 26 mould mould NN 28553 2922 27 , , , 28553 2922 28 on on IN 28553 2922 29 the the DT 28553 2922 30 inside inside JJ 28553 2922 31 surface surface NN 28553 2922 32 of of IN 28553 2922 33 which which WDT 28553 2922 34 are be VBP 28553 2922 35 reproduced reproduce VBN 28553 2922 36 , , , 28553 2922 37 in in IN 28553 2922 38 relief relief NN 28553 2922 39 , , , 28553 2922 40 the the DT 28553 2922 41 indentations indentation NNS 28553 2922 42 of of IN 28553 2922 43 the the DT 28553 2922 44 wax wax NNP 28553 2922 45 " " '' 28553 2922 46 master master NN 28553 2922 47 . . . 28553 2922 48 " " '' 28553 2923 1 Copies copy NNS 28553 2923 2 are be VBP 28553 2923 3 made make VBN 28553 2923 4 from from IN 28553 2923 5 the the DT 28553 2923 6 mould mould NN 28553 2923 7 by by IN 28553 2923 8 immersing immerse VBG 28553 2923 9 it -PRON- PRP 28553 2923 10 in in IN 28553 2923 11 a a DT 28553 2923 12 tank tank NN 28553 2923 13 of of IN 28553 2923 14 melted melted JJ 28553 2923 15 wax wax NN 28553 2923 16 . . . 28553 2924 1 The the DT 28553 2924 2 cold cold JJ 28553 2924 3 metal metal NN 28553 2924 4 chills chill VBZ 28553 2924 5 the the DT 28553 2924 6 wax wax NN 28553 2924 7 that that WDT 28553 2924 8 touches touch VBZ 28553 2924 9 it -PRON- PRP 28553 2924 10 , , , 28553 2924 11 so so IN 28553 2924 12 that that IN 28553 2924 13 the the DT 28553 2924 14 mould mould NN 28553 2924 15 soon soon RB 28553 2924 16 has have VBZ 28553 2924 17 a a DT 28553 2924 18 thick thick JJ 28553 2924 19 waxen waxen NN 28553 2924 20 lining lining NN 28553 2924 21 . . . 28553 2925 1 The the DT 28553 2925 2 mould mould NN 28553 2925 3 and and CC 28553 2925 4 copy copy NN 28553 2925 5 are be VBP 28553 2925 6 removed remove VBN 28553 2925 7 from from IN 28553 2925 8 the the DT 28553 2925 9 tank tank NN 28553 2925 10 and and CC 28553 2925 11 mounted mount VBD 28553 2925 12 on on IN 28553 2925 13 a a DT 28553 2925 14 lathe lathe NN 28553 2925 15 , , , 28553 2925 16 which which WDT 28553 2925 17 shapes shape VBZ 28553 2925 18 and and CC 28553 2925 19 smooths smooth VBZ 28553 2925 20 the the DT 28553 2925 21 inside inside NN 28553 2925 22 of of IN 28553 2925 23 the the DT 28553 2925 24 record record NN 28553 2925 25 . . . 28553 2926 1 The the DT 28553 2926 2 record record NN 28553 2926 3 is be VBZ 28553 2926 4 loosened loosen VBN 28553 2926 5 from from IN 28553 2926 6 the the DT 28553 2926 7 mould mould NN 28553 2926 8 by by IN 28553 2926 9 cooling cool VBG 28553 2926 10 . . . 28553 2927 1 After after IN 28553 2927 2 inspection inspection NN 28553 2927 3 for for IN 28553 2927 4 flaws flaw NNS 28553 2927 5 , , , 28553 2927 6 it -PRON- PRP 28553 2927 7 is be VBZ 28553 2927 8 , , , 28553 2927 9 if if IN 28553 2927 10 found find VBN 28553 2927 11 satisfactory satisfactory JJ 28553 2927 12 , , , 28553 2927 13 packed pack VBN 28553 2927 14 in in IN 28553 2927 15 cotton cotton NN 28553 2927 16 - - HYPH 28553 2927 17 wool wool NN 28553 2927 18 and and CC 28553 2927 19 added add VBD 28553 2927 20 to to IN 28553 2927 21 the the DT 28553 2927 22 saleable saleable JJ 28553 2927 23 stock stock NN 28553 2927 24 . . . 28553 2928 1 Gramophone Gramophone VBN 28553 2928 2 master master NN 28553 2928 3 records record NNS 28553 2928 4 are be VBP 28553 2928 5 made make VBN 28553 2928 6 on on IN 28553 2928 7 a a DT 28553 2928 8 circular circular JJ 28553 2928 9 disc disc NN 28553 2928 10 of of IN 28553 2928 11 zinc zinc NN 28553 2928 12 , , , 28553 2928 13 coated coat VBD 28553 2928 14 over over RB 28553 2928 15 with with IN 28553 2928 16 a a DT 28553 2928 17 very very RB 28553 2928 18 thin thin JJ 28553 2928 19 film film NN 28553 2928 20 of of IN 28553 2928 21 acid acid NN 28553 2928 22 - - HYPH 28553 2928 23 proof proof NN 28553 2928 24 fat fat NN 28553 2928 25 . . . 28553 2929 1 When when WRB 28553 2929 2 the the DT 28553 2929 3 disc disc NN 28553 2929 4 is be VBZ 28553 2929 5 revolved revolve VBN 28553 2929 6 in in IN 28553 2929 7 the the DT 28553 2929 8 recording recording NN 28553 2929 9 machine machine NN 28553 2929 10 , , , 28553 2929 11 the the DT 28553 2929 12 sharp sharp JJ 28553 2929 13 stylus stylus NN 28553 2929 14 cuts cut VBZ 28553 2929 15 through through IN 28553 2929 16 the the DT 28553 2929 17 fat fat NN 28553 2929 18 and and CC 28553 2929 19 exposes expose VBZ 28553 2929 20 the the DT 28553 2929 21 zinc zinc NN 28553 2929 22 beneath beneath RB 28553 2929 23 . . . 28553 2930 1 On on IN 28553 2930 2 immersion immersion NN 28553 2930 3 in in IN 28553 2930 4 a a DT 28553 2930 5 bath bath NN 28553 2930 6 of of IN 28553 2930 7 chromic chromic NN 28553 2930 8 acid acid NN 28553 2930 9 the the DT 28553 2930 10 bared bare VBN 28553 2930 11 surfaces surface NNS 28553 2930 12 are be VBP 28553 2930 13 bitten bite VBN 28553 2930 14 into into IN 28553 2930 15 , , , 28553 2930 16 while while IN 28553 2930 17 the the DT 28553 2930 18 unexposed unexposed JJ 28553 2930 19 parts part NNS 28553 2930 20 remain remain VBP 28553 2930 21 unaffected unaffected JJ 28553 2930 22 . . . 28553 2931 1 When when WRB 28553 2931 2 the the DT 28553 2931 3 etching etching NN 28553 2931 4 is be VBZ 28553 2931 5 considered consider VBN 28553 2931 6 complete complete JJ 28553 2931 7 , , , 28553 2931 8 the the DT 28553 2931 9 plate plate NN 28553 2931 10 is be VBZ 28553 2931 11 carefully carefully RB 28553 2931 12 cleaned clean VBN 28553 2931 13 and and CC 28553 2931 14 tested test VBN 28553 2931 15 . . . 28553 2932 1 A a DT 28553 2932 2 negative negative JJ 28553 2932 3 copper copper NN 28553 2932 4 copy copy NN 28553 2932 5 is be VBZ 28553 2932 6 made make VBN 28553 2932 7 from from IN 28553 2932 8 it -PRON- PRP 28553 2932 9 by by IN 28553 2932 10 electrotyping electrotype VBG 28553 2932 11 . . . 28553 2933 1 This this DT 28553 2933 2 constitutes constitute VBZ 28553 2933 3 the the DT 28553 2933 4 mould mould NN 28553 2933 5 . . . 28553 2934 1 From from IN 28553 2934 2 it -PRON- PRP 28553 2934 3 as as RB 28553 2934 4 many many JJ 28553 2934 5 as as IN 28553 2934 6 1,000 1,000 CD 28553 2934 7 copies copy NNS 28553 2934 8 may may MD 28553 2934 9 be be VB 28553 2934 10 made make VBN 28553 2934 11 on on IN 28553 2934 12 ebonite ebonite NN 28553 2934 13 plates plate NNS 28553 2934 14 by by IN 28553 2934 15 combined combine VBN 28553 2934 16 pressure pressure NN 28553 2934 17 and and CC 28553 2934 18 heating heating NN 28553 2934 19 . . . 28553 2935 1 [ [ -LRB- 28553 2935 2 32 32 CD 28553 2935 3 ] ] -RRB- 28553 2935 4 The the DT 28553 2935 5 Edison Edison NNP 28553 2935 6 Bell Bell NNP 28553 2935 7 phonograph phonograph NN 28553 2935 8 is be VBZ 28553 2935 9 here here RB 28553 2935 10 referred refer VBN 28553 2935 11 to to IN 28553 2935 12 . . . 28553 2936 1 [ [ -LRB- 28553 2936 2 33 33 CD 28553 2936 3 ] ] -RRB- 28553 2936 4 Some some DT 28553 2936 5 of of IN 28553 2936 6 the the DT 28553 2936 7 sibilant sibilant JJ 28553 2936 8 or or CC 28553 2936 9 hissing hissing JJ 28553 2936 10 sounds sound NNS 28553 2936 11 of of IN 28553 2936 12 the the DT 28553 2936 13 voice voice NN 28553 2936 14 are be VBP 28553 2936 15 computed compute VBN 28553 2936 16 to to TO 28553 2936 17 be be VB 28553 2936 18 represented represent VBN 28553 2936 19 by by IN 28553 2936 20 depressions depression NNS 28553 2936 21 less less JJR 28553 2936 22 than than IN 28553 2936 23 a a DT 28553 2936 24 millionth millionth NN 28553 2936 25 of of IN 28553 2936 26 an an DT 28553 2936 27 inch inch NN 28553 2936 28 in in IN 28553 2936 29 depth depth NN 28553 2936 30 . . . 28553 2937 1 Yet yet RB 28553 2937 2 these these DT 28553 2937 3 are be VBP 28553 2937 4 reproduced reproduce VBN 28553 2937 5 very very RB 28553 2937 6 clearly clearly RB 28553 2937 7 ! ! . 28553 2938 1 Chapter Chapter NNP 28553 2938 2 XVII XVII NNP 28553 2938 3 . . . 28553 2939 1 WHY why WRB 28553 2939 2 THE the DT 28553 2939 3 WIND wind NN 28553 2939 4 BLOWS blows JJ 28553 2939 5 . . . 28553 2940 1 Why why WRB 28553 2940 2 the the DT 28553 2940 3 wind wind NN 28553 2940 4 blows blow VBZ 28553 2940 5 -- -- : 28553 2940 6 Land land NN 28553 2940 7 and and CC 28553 2940 8 sea sea NN 28553 2940 9 breezes breeze NNS 28553 2940 10 -- -- : 28553 2940 11 Light light JJ 28553 2940 12 air air NN 28553 2940 13 and and CC 28553 2940 14 moisture moisture NN 28553 2940 15 -- -- : 28553 2940 16 The the DT 28553 2940 17 barometer barometer NN 28553 2940 18 -- -- : 28553 2940 19 The the DT 28553 2940 20 column column NN 28553 2940 21 barometer barometer NN 28553 2940 22 -- -- : 28553 2940 23 The the DT 28553 2940 24 wheel wheel NN 28553 2940 25 barometer barometer NN 28553 2940 26 -- -- : 28553 2940 27 A a DT 28553 2940 28 very very RB 28553 2940 29 simple simple JJ 28553 2940 30 barometer barometer NN 28553 2940 31 -- -- : 28553 2940 32 The the DT 28553 2940 33 aneroid aneroid JJ 28553 2940 34 barometer barometer NN 28553 2940 35 -- -- : 28553 2940 36 Barometers barometer NNS 28553 2940 37 and and CC 28553 2940 38 weather weather NN 28553 2940 39 -- -- : 28553 2940 40 The the DT 28553 2940 41 diving diving JJ 28553 2940 42 - - HYPH 28553 2940 43 bell bell NN 28553 2940 44 -- -- : 28553 2940 45 The the DT 28553 2940 46 diving diving NN 28553 2940 47 - - HYPH 28553 2940 48 dress dress NN 28553 2940 49 -- -- : 28553 2940 50 Air air NN 28553 2940 51 - - HYPH 28553 2940 52 pumps pump NNS 28553 2940 53 -- -- : 28553 2940 54 Pneumatic pneumatic JJ 28553 2940 55 tyres tyre NNS 28553 2940 56 -- -- : 28553 2940 57 The the DT 28553 2940 58 air air NN 28553 2940 59 - - HYPH 28553 2940 60 gun gun NN 28553 2940 61 -- -- : 28553 2940 62 The the DT 28553 2940 63 self self NN 28553 2940 64 - - HYPH 28553 2940 65 closing close VBG 28553 2940 66 door door NN 28553 2940 67 - - HYPH 28553 2940 68 stop stop NN 28553 2940 69 -- -- : 28553 2940 70 The the DT 28553 2940 71 action action NN 28553 2940 72 of of IN 28553 2940 73 wind wind NN 28553 2940 74 on on IN 28553 2940 75 oblique oblique JJ 28553 2940 76 surfaces surface NNS 28553 2940 77 -- -- : 28553 2940 78 The the DT 28553 2940 79 balloon balloon NN 28553 2940 80 -- -- : 28553 2940 81 The the DT 28553 2940 82 flying fly VBG 28553 2940 83 - - HYPH 28553 2940 84 machine machine NN 28553 2940 85 . . . 28553 2941 1 When when WRB 28553 2941 2 a a DT 28553 2941 3 child child NN 28553 2941 4 's 's POS 28553 2941 5 rubber rubber NN 28553 2941 6 ball ball NN 28553 2941 7 gets get VBZ 28553 2941 8 slack slack NN 28553 2941 9 through through IN 28553 2941 10 a a DT 28553 2941 11 slight slight JJ 28553 2941 12 leakage leakage NN 28553 2941 13 of of IN 28553 2941 14 air air NN 28553 2941 15 , , , 28553 2941 16 and and CC 28553 2941 17 loses lose VBZ 28553 2941 18 some some DT 28553 2941 19 of of IN 28553 2941 20 its -PRON- PRP$ 28553 2941 21 bounce bounce NN 28553 2941 22 , , , 28553 2941 23 it -PRON- PRP 28553 2941 24 is be VBZ 28553 2941 25 a a DT 28553 2941 26 common common JJ 28553 2941 27 practice practice NN 28553 2941 28 to to TO 28553 2941 29 hold hold VB 28553 2941 30 it -PRON- PRP 28553 2941 31 for for IN 28553 2941 32 a a DT 28553 2941 33 few few JJ 28553 2941 34 minutes minute NNS 28553 2941 35 in in IN 28553 2941 36 front front NN 28553 2941 37 of of IN 28553 2941 38 the the DT 28553 2941 39 fire fire NN 28553 2941 40 till till IN 28553 2941 41 it -PRON- PRP 28553 2941 42 becomes become VBZ 28553 2941 43 temporarily temporarily RB 28553 2941 44 taut taut JJ 28553 2941 45 again again RB 28553 2941 46 . . . 28553 2942 1 Why why WRB 28553 2942 2 does do VBZ 28553 2942 3 the the DT 28553 2942 4 heat heat NN 28553 2942 5 have have VB 28553 2942 6 this this DT 28553 2942 7 effect effect NN 28553 2942 8 on on IN 28553 2942 9 the the DT 28553 2942 10 ball ball NN 28553 2942 11 ? ? . 28553 2943 1 No no DT 28553 2943 2 more more JJR 28553 2943 3 air air NN 28553 2943 4 has have VBZ 28553 2943 5 been be VBN 28553 2943 6 forced force VBN 28553 2943 7 into into IN 28553 2943 8 the the DT 28553 2943 9 ball ball NN 28553 2943 10 . . . 28553 2944 1 After after IN 28553 2944 2 perusing peruse VBG 28553 2944 3 the the DT 28553 2944 4 chapter chapter NN 28553 2944 5 on on IN 28553 2944 6 the the DT 28553 2944 7 steam steam NN 28553 2944 8 - - HYPH 28553 2944 9 engine engine NN 28553 2944 10 the the DT 28553 2944 11 reader reader NN 28553 2944 12 will will MD 28553 2944 13 be be VB 28553 2944 14 able able JJ 28553 2944 15 to to TO 28553 2944 16 supply supply VB 28553 2944 17 the the DT 28553 2944 18 answer answer NN 28553 2944 19 . . . 28553 2945 1 " " `` 28553 2945 2 Because because IN 28553 2945 3 the the DT 28553 2945 4 molecules molecule NNS 28553 2945 5 of of IN 28553 2945 6 air air NN 28553 2945 7 dash dash NN 28553 2945 8 about about IN 28553 2945 9 more more RBR 28553 2945 10 vigorously vigorously RB 28553 2945 11 among among IN 28553 2945 12 one one CD 28553 2945 13 another another DT 28553 2945 14 when when WRB 28553 2945 15 the the DT 28553 2945 16 air air NN 28553 2945 17 is be VBZ 28553 2945 18 heated heated JJ 28553 2945 19 , , , 28553 2945 20 and and CC 28553 2945 21 by by IN 28553 2945 22 striking strike VBG 28553 2945 23 the the DT 28553 2945 24 inside inside NN 28553 2945 25 of of IN 28553 2945 26 the the DT 28553 2945 27 ball ball NN 28553 2945 28 with with IN 28553 2945 29 greater great JJR 28553 2945 30 force force NN 28553 2945 31 put put VBD 28553 2945 32 it -PRON- PRP 28553 2945 33 in in IN 28553 2945 34 a a DT 28553 2945 35 state state NN 28553 2945 36 of of IN 28553 2945 37 greater great JJR 28553 2945 38 tension tension NN 28553 2945 39 . . . 28553 2945 40 " " '' 28553 2946 1 If if IN 28553 2946 2 we -PRON- PRP 28553 2946 3 heat heat VBP 28553 2946 4 an an DT 28553 2946 5 open open JJ 28553 2946 6 jar jar NN 28553 2946 7 there there EX 28553 2946 8 is be VBZ 28553 2946 9 no no DT 28553 2946 10 pressure pressure NN 28553 2946 11 developed develop VBN 28553 2946 12 , , , 28553 2946 13 since since IN 28553 2946 14 the the DT 28553 2946 15 air air NN 28553 2946 16 simply simply RB 28553 2946 17 expands expand VBZ 28553 2946 18 and and CC 28553 2946 19 flows flow VBZ 28553 2946 20 out out IN 28553 2946 21 of of IN 28553 2946 22 the the DT 28553 2946 23 neck neck NN 28553 2946 24 . . . 28553 2947 1 But but CC 28553 2947 2 the the DT 28553 2947 3 air air NN 28553 2947 4 that that WDT 28553 2947 5 remains remain VBZ 28553 2947 6 in in IN 28553 2947 7 the the DT 28553 2947 8 jar jar NN 28553 2947 9 , , , 28553 2947 10 being be VBG 28553 2947 11 less less JJR 28553 2947 12 in in IN 28553 2947 13 quantity quantity NN 28553 2947 14 than than IN 28553 2947 15 when when WRB 28553 2947 16 it -PRON- PRP 28553 2947 17 was be VBD 28553 2947 18 not not RB 28553 2947 19 yet yet RB 28553 2947 20 heated heat VBN 28553 2947 21 , , , 28553 2947 22 weighs weigh VBZ 28553 2947 23 less less RBR 28553 2947 24 , , , 28553 2947 25 though though IN 28553 2947 26 occupying occupy VBG 28553 2947 27 the the DT 28553 2947 28 same same JJ 28553 2947 29 space space NN 28553 2947 30 as as IN 28553 2947 31 before before RB 28553 2947 32 . . . 28553 2948 1 If if IN 28553 2948 2 we -PRON- PRP 28553 2948 3 took take VBD 28553 2948 4 a a DT 28553 2948 5 very very RB 28553 2948 6 thin thin JJ 28553 2948 7 bladder bladder NN 28553 2948 8 and and CC 28553 2948 9 filled fill VBD 28553 2948 10 it -PRON- PRP 28553 2948 11 with with IN 28553 2948 12 hot hot JJ 28553 2948 13 air air NN 28553 2948 14 it -PRON- PRP 28553 2948 15 would would MD 28553 2948 16 therefore therefore RB 28553 2948 17 float float VB 28553 2948 18 in in IN 28553 2948 19 colder cold JJR 28553 2948 20 air air NN 28553 2948 21 , , , 28553 2948 22 proving prove VBG 28553 2948 23 that that IN 28553 2948 24 heated heated JJ 28553 2948 25 air air NN 28553 2948 26 , , , 28553 2948 27 as as IN 28553 2948 28 we -PRON- PRP 28553 2948 29 should should MD 28553 2948 30 expect expect VB 28553 2948 31 , , , 28553 2948 32 _ _ NNP 28553 2948 33 tends tend VBZ 28553 2948 34 to to TO 28553 2948 35 rise rise VB 28553 2948 36 _ _ NNP 28553 2948 37 . . . 28553 2949 1 The the DT 28553 2949 2 fire fire NN 28553 2949 3 - - HYPH 28553 2949 4 balloon balloon NN 28553 2949 5 employs employ VBZ 28553 2949 6 this this DT 28553 2949 7 principle principle NN 28553 2949 8 , , , 28553 2949 9 the the DT 28553 2949 10 air air NN 28553 2949 11 inside inside IN 28553 2949 12 the the DT 28553 2949 13 bag bag NN 28553 2949 14 being be VBG 28553 2949 15 kept keep VBD 28553 2949 16 artificially artificially RB 28553 2949 17 warm warm JJ 28553 2949 18 by by IN 28553 2949 19 a a DT 28553 2949 20 fire fire NN 28553 2949 21 burning burn VBG 28553 2949 22 in in IN 28553 2949 23 some some DT 28553 2949 24 vessel vessel NN 28553 2949 25 attached attach VBN 28553 2949 26 below below IN 28553 2949 27 the the DT 28553 2949 28 open open JJ 28553 2949 29 neck neck NN 28553 2949 30 of of IN 28553 2949 31 the the DT 28553 2949 32 bag bag NN 28553 2949 33 . . . 28553 2950 1 Now now RB 28553 2950 2 , , , 28553 2950 3 the the DT 28553 2950 4 sun sun NN 28553 2950 5 shines shine VBZ 28553 2950 6 with with IN 28553 2950 7 different different JJ 28553 2950 8 degrees degree NNS 28553 2950 9 of of IN 28553 2950 10 heating heat VBG 28553 2950 11 power power NN 28553 2950 12 at at IN 28553 2950 13 different different JJ 28553 2950 14 parts part NNS 28553 2950 15 of of IN 28553 2950 16 the the DT 28553 2950 17 world world NN 28553 2950 18 . . . 28553 2951 1 Where where WRB 28553 2951 2 its -PRON- PRP$ 28553 2951 3 effect effect NN 28553 2951 4 is be VBZ 28553 2951 5 greatest great JJS 28553 2951 6 the the DT 28553 2951 7 air air NN 28553 2951 8 there there EX 28553 2951 9 is be VBZ 28553 2951 10 hottest hot JJS 28553 2951 11 . . . 28553 2952 1 We -PRON- PRP 28553 2952 2 will will MD 28553 2952 3 suppose suppose VB 28553 2952 4 , , , 28553 2952 5 for for IN 28553 2952 6 the the DT 28553 2952 7 sake sake NN 28553 2952 8 of of IN 28553 2952 9 argument argument NN 28553 2952 10 , , , 28553 2952 11 that that IN 28553 2952 12 , , , 28553 2952 13 at at IN 28553 2952 14 a a DT 28553 2952 15 certain certain JJ 28553 2952 16 moment moment NN 28553 2952 17 , , , 28553 2952 18 the the DT 28553 2952 19 air air NN 28553 2952 20 envelope envelope VBP 28553 2952 21 all all DT 28553 2952 22 round round IN 28553 2952 23 the the DT 28553 2952 24 globe globe NN 28553 2952 25 is be VBZ 28553 2952 26 of of IN 28553 2952 27 equal equal JJ 28553 2952 28 temperature temperature NN 28553 2952 29 . . . 28553 2953 1 Suddenly suddenly RB 28553 2953 2 the the DT 28553 2953 3 sun sun NN 28553 2953 4 shines shine VBZ 28553 2953 5 out out RP 28553 2953 6 and and CC 28553 2953 7 heats heat VBZ 28553 2953 8 the the DT 28553 2953 9 air air NN 28553 2953 10 at at IN 28553 2953 11 a a DT 28553 2953 12 point point NN 28553 2953 13 , , , 28553 2953 14 A a NN 28553 2953 15 , , , 28553 2953 16 till till IN 28553 2953 17 it -PRON- PRP 28553 2953 18 is be VBZ 28553 2953 19 many many JJ 28553 2953 20 degrees degree NNS 28553 2953 21 warmer warm JJR 28553 2953 22 than than IN 28553 2953 23 the the DT 28553 2953 24 surrounding surround VBG 28553 2953 25 air air NN 28553 2953 26 . . . 28553 2954 1 The the DT 28553 2954 2 heated heated JJ 28553 2954 3 air air NN 28553 2954 4 expands expand VBZ 28553 2954 5 , , , 28553 2954 6 rises rise VBZ 28553 2954 7 , , , 28553 2954 8 and and CC 28553 2954 9 spreads spread VBZ 28553 2954 10 out out RP 28553 2954 11 above above IN 28553 2954 12 the the DT 28553 2954 13 cold cold JJ 28553 2954 14 air air NN 28553 2954 15 . . . 28553 2955 1 But but CC 28553 2955 2 , , , 28553 2955 3 as as IN 28553 2955 4 a a DT 28553 2955 5 given give VBN 28553 2955 6 depth depth NN 28553 2955 7 of of IN 28553 2955 8 warm warm JJ 28553 2955 9 air air NN 28553 2955 10 has have VBZ 28553 2955 11 less less JJR 28553 2955 12 weight weight NN 28553 2955 13 than than IN 28553 2955 14 an an DT 28553 2955 15 equal equal JJ 28553 2955 16 depth depth NN 28553 2955 17 of of IN 28553 2955 18 cold cold JJ 28553 2955 19 air air NN 28553 2955 20 , , , 28553 2955 21 the the DT 28553 2955 22 cold cold JJ 28553 2955 23 air air NN 28553 2955 24 at at IN 28553 2955 25 once once RB 28553 2955 26 begins begin VBZ 28553 2955 27 to to TO 28553 2955 28 rush rush VB 28553 2955 29 towards towards IN 28553 2955 30 B b NN 28553 2955 31 and and CC 28553 2955 32 squeeze squeeze VB 28553 2955 33 the the DT 28553 2955 34 rest rest NN 28553 2955 35 of of IN 28553 2955 36 the the DT 28553 2955 37 warm warm JJ 28553 2955 38 air air NN 28553 2955 39 out out RB 28553 2955 40 . . . 28553 2956 1 We -PRON- PRP 28553 2956 2 may may MD 28553 2956 3 therefore therefore RB 28553 2956 4 picture picture VB 28553 2956 5 the the DT 28553 2956 6 atmosphere atmosphere NN 28553 2956 7 as as IN 28553 2956 8 made make VBN 28553 2956 9 up up RP 28553 2956 10 of of IN 28553 2956 11 a a DT 28553 2956 12 number number NN 28553 2956 13 of of IN 28553 2956 14 colder cold JJR 28553 2956 15 currents current NNS 28553 2956 16 passing pass VBG 28553 2956 17 along along IN 28553 2956 18 the the DT 28553 2956 19 surface surface NN 28553 2956 20 of of IN 28553 2956 21 the the DT 28553 2956 22 earth earth NN 28553 2956 23 to to TO 28553 2956 24 replace replace VB 28553 2956 25 warm warm JJ 28553 2956 26 currents current NNS 28553 2956 27 rising rise VBG 28553 2956 28 and and CC 28553 2956 29 spreading spread VBG 28553 2956 30 over over RP 28553 2956 31 the the DT 28553 2956 32 upper upper JJ 28553 2956 33 surface surface NN 28553 2956 34 of of IN 28553 2956 35 the the DT 28553 2956 36 cold cold JJ 28553 2956 37 air air NN 28553 2956 38 . . . 28553 2957 1 A a DT 28553 2957 2 similar similar JJ 28553 2957 3 circulation circulation NN 28553 2957 4 takes take VBZ 28553 2957 5 place place NN 28553 2957 6 in in IN 28553 2957 7 a a DT 28553 2957 8 vessel vessel NN 28553 2957 9 of of IN 28553 2957 10 heated heated JJ 28553 2957 11 water water NN 28553 2957 12 ( ( -LRB- 28553 2957 13 see see VB 28553 2957 14 p. p. NN 28553 2957 15 17 17 CD 28553 2957 16 ) ) -RRB- 28553 2957 17 . . . 28553 2958 1 LAND LAND NNP 28553 2958 2 AND and CC 28553 2958 3 SEA SEA NNP 28553 2958 4 BREEZES BREEZES NNP 28553 2958 5 . . . 28553 2959 1 A a DT 28553 2959 2 breeze breeze NN 28553 2959 3 which which WDT 28553 2959 4 blows blow VBZ 28553 2959 5 from from IN 28553 2959 6 the the DT 28553 2959 7 sea sea NN 28553 2959 8 on on RP 28553 2959 9 to to IN 28553 2959 10 the the DT 28553 2959 11 land land NN 28553 2959 12 during during IN 28553 2959 13 the the DT 28553 2959 14 day day NN 28553 2959 15 often often RB 28553 2959 16 reverses reverse VBZ 28553 2959 17 its -PRON- PRP$ 28553 2959 18 direction direction NN 28553 2959 19 during during IN 28553 2959 20 the the DT 28553 2959 21 evening evening NN 28553 2959 22 . . . 28553 2960 1 Why why WRB 28553 2960 2 is be VBZ 28553 2960 3 this this DT 28553 2960 4 ? ? . 28553 2961 1 The the DT 28553 2961 2 earth earth NN 28553 2961 3 grows grow VBZ 28553 2961 4 hot hot JJ 28553 2961 5 or or CC 28553 2961 6 cold cold JJ 28553 2961 7 more more RBR 28553 2961 8 rapidly rapidly RB 28553 2961 9 than than IN 28553 2961 10 the the DT 28553 2961 11 sea sea NN 28553 2961 12 . . . 28553 2962 1 When when WRB 28553 2962 2 the the DT 28553 2962 3 sun sun NN 28553 2962 4 shines shine VBZ 28553 2962 5 hotly hotly RB 28553 2962 6 , , , 28553 2962 7 the the DT 28553 2962 8 land land NN 28553 2962 9 warms warm NNS 28553 2962 10 quickly quickly RB 28553 2962 11 and and CC 28553 2962 12 heats heat VBZ 28553 2962 13 the the DT 28553 2962 14 air air NN 28553 2962 15 over over IN 28553 2962 16 it -PRON- PRP 28553 2962 17 , , , 28553 2962 18 which which WDT 28553 2962 19 becomes become VBZ 28553 2962 20 light light JJ 28553 2962 21 , , , 28553 2962 22 and and CC 28553 2962 23 is be VBZ 28553 2962 24 displaced displace VBN 28553 2962 25 by by IN 28553 2962 26 the the DT 28553 2962 27 cooler cooler NN 28553 2962 28 air air NN 28553 2962 29 over over IN 28553 2962 30 the the DT 28553 2962 31 sea sea NN 28553 2962 32 . . . 28553 2963 1 When when WRB 28553 2963 2 the the DT 28553 2963 3 sun sun NN 28553 2963 4 sets set VBZ 28553 2963 5 , , , 28553 2963 6 the the DT 28553 2963 7 earth earth NN 28553 2963 8 and and CC 28553 2963 9 the the DT 28553 2963 10 air air NN 28553 2963 11 over over IN 28553 2963 12 it -PRON- PRP 28553 2963 13 lose lose VBP 28553 2963 14 their -PRON- PRP$ 28553 2963 15 warmth warmth NN 28553 2963 16 quickly quickly RB 28553 2963 17 , , , 28553 2963 18 while while IN 28553 2963 19 the the DT 28553 2963 20 sea sea NN 28553 2963 21 remains remain VBZ 28553 2963 22 at at IN 28553 2963 23 practically practically RB 28553 2963 24 the the DT 28553 2963 25 same same JJ 28553 2963 26 temperature temperature NN 28553 2963 27 as as IN 28553 2963 28 before before RB 28553 2963 29 . . . 28553 2964 1 So so IN 28553 2964 2 the the DT 28553 2964 3 balance balance NN 28553 2964 4 is be VBZ 28553 2964 5 changed change VBN 28553 2964 6 , , , 28553 2964 7 the the DT 28553 2964 8 heavier heavy JJR 28553 2964 9 air air NN 28553 2964 10 now now RB 28553 2964 11 lying lie VBG 28553 2964 12 over over IN 28553 2964 13 the the DT 28553 2964 14 land land NN 28553 2964 15 . . . 28553 2965 1 It -PRON- PRP 28553 2965 2 therefore therefore RB 28553 2965 3 flows flow VBZ 28553 2965 4 seawards seaward NNS 28553 2965 5 , , , 28553 2965 6 and and CC 28553 2965 7 drives drive VBZ 28553 2965 8 out out RP 28553 2965 9 the the DT 28553 2965 10 warmer warm JJR 28553 2965 11 air air NN 28553 2965 12 there there RB 28553 2965 13 . . . 28553 2966 1 LIGHT LIGHT NNP 28553 2966 2 AIR AIR NNP 28553 2966 3 AND and CC 28553 2966 4 MOISTURE MOISTURE NNP 28553 2966 5 . . . 28553 2967 1 Light light JJ 28553 2967 2 , , , 28553 2967 3 warm warm JJ 28553 2967 4 air air NN 28553 2967 5 absorbs absorb VBZ 28553 2967 6 moisture moisture NN 28553 2967 7 . . . 28553 2968 1 As as IN 28553 2968 2 it -PRON- PRP 28553 2968 3 cools cool VBZ 28553 2968 4 , , , 28553 2968 5 the the DT 28553 2968 6 moisture moisture NN 28553 2968 7 in in IN 28553 2968 8 it -PRON- PRP 28553 2968 9 condenses condense VBZ 28553 2968 10 . . . 28553 2969 1 Breathe breathe VB 28553 2969 2 on on IN 28553 2969 3 a a DT 28553 2969 4 plate plate NN 28553 2969 5 , , , 28553 2969 6 and and CC 28553 2969 7 you -PRON- PRP 28553 2969 8 notice notice VBP 28553 2969 9 that that IN 28553 2969 10 a a DT 28553 2969 11 watery watery JJ 28553 2969 12 film film NN 28553 2969 13 forms form NNS 28553 2969 14 on on IN 28553 2969 15 it -PRON- PRP 28553 2969 16 at at IN 28553 2969 17 once once RB 28553 2969 18 . . . 28553 2970 1 The the DT 28553 2970 2 cold cold JJ 28553 2970 3 surface surface NN 28553 2970 4 condenses condense VBZ 28553 2970 5 the the DT 28553 2970 6 water water NN 28553 2970 7 suspended suspend VBN 28553 2970 8 in in IN 28553 2970 9 the the DT 28553 2970 10 warm warm JJ 28553 2970 11 breath breath NN 28553 2970 12 . . . 28553 2971 1 If if IN 28553 2971 2 you -PRON- PRP 28553 2971 3 wish wish VBP 28553 2971 4 to to TO 28553 2971 5 dry dry VB 28553 2971 6 a a DT 28553 2971 7 damp damp JJ 28553 2971 8 room room NN 28553 2971 9 you -PRON- PRP 28553 2971 10 heat heat VBP 28553 2971 11 it -PRON- PRP 28553 2971 12 . . . 28553 2972 1 Moisture moisture NN 28553 2972 2 then then RB 28553 2972 3 passes pass VBZ 28553 2972 4 from from IN 28553 2972 5 the the DT 28553 2972 6 walls wall NNS 28553 2972 7 and and CC 28553 2972 8 objects object NNS 28553 2972 9 in in IN 28553 2972 10 the the DT 28553 2972 11 room room NN 28553 2972 12 to to IN 28553 2972 13 the the DT 28553 2972 14 atmosphere atmosphere NN 28553 2972 15 . . . 28553 2973 1 THE the DT 28553 2973 2 BAROMETER BAROMETER NNP 28553 2973 3 . . . 28553 2974 1 This this DT 28553 2974 2 property property NN 28553 2974 3 of of IN 28553 2974 4 air air NN 28553 2974 5 is be VBZ 28553 2974 6 responsible responsible JJ 28553 2974 7 for for IN 28553 2974 8 the the DT 28553 2974 9 changes change NNS 28553 2974 10 in in IN 28553 2974 11 weather weather NN 28553 2974 12 . . . 28553 2975 1 Light light JJ 28553 2975 2 , , , 28553 2975 3 moisture moisture NN 28553 2975 4 - - HYPH 28553 2975 5 laden laden JJ 28553 2975 6 air air NN 28553 2975 7 meets meet VBZ 28553 2975 8 cold cold JJ 28553 2975 9 , , , 28553 2975 10 dry dry JJ 28553 2975 11 air air NN 28553 2975 12 , , , 28553 2975 13 and and CC 28553 2975 14 the the DT 28553 2975 15 sudden sudden JJ 28553 2975 16 cooling cool VBG 28553 2975 17 forces force NNS 28553 2975 18 it -PRON- PRP 28553 2975 19 to to TO 28553 2975 20 release release VB 28553 2975 21 its -PRON- PRP$ 28553 2975 22 moisture moisture NN 28553 2975 23 , , , 28553 2975 24 which which WDT 28553 2975 25 falls fall VBZ 28553 2975 26 as as IN 28553 2975 27 rain rain NN 28553 2975 28 , , , 28553 2975 29 or or CC 28553 2975 30 floats float VBZ 28553 2975 31 about about IN 28553 2975 32 as as IN 28553 2975 33 clouds cloud NNS 28553 2975 34 . . . 28553 2976 1 If if IN 28553 2976 2 only only RB 28553 2976 3 we -PRON- PRP 28553 2976 4 are be VBP 28553 2976 5 able able JJ 28553 2976 6 to to TO 28553 2976 7 detect detect VB 28553 2976 8 the the DT 28553 2976 9 presence presence NN 28553 2976 10 of of IN 28553 2976 11 warm warm JJ 28553 2976 12 air air NN 28553 2976 13 - - HYPH 28553 2976 14 strata strata NN 28553 2976 15 above above IN 28553 2976 16 us -PRON- PRP 28553 2976 17 , , , 28553 2976 18 we -PRON- PRP 28553 2976 19 ought ought MD 28553 2976 20 to to TO 28553 2976 21 be be VB 28553 2976 22 in in IN 28553 2976 23 a a DT 28553 2976 24 position position NN 28553 2976 25 to to TO 28553 2976 26 foretell foretell VB 28553 2976 27 the the DT 28553 2976 28 weather weather NN 28553 2976 29 . . . 28553 2977 1 We -PRON- PRP 28553 2977 2 can can MD 28553 2977 3 judge judge VB 28553 2977 4 of of IN 28553 2977 5 the the DT 28553 2977 6 specific specific JJ 28553 2977 7 gravity gravity NN 28553 2977 8 of of IN 28553 2977 9 the the DT 28553 2977 10 air air NN 28553 2977 11 in in IN 28553 2977 12 our -PRON- PRP$ 28553 2977 13 neighbourhood neighbourhood NN 28553 2977 14 by by IN 28553 2977 15 means mean NNS 28553 2977 16 of of IN 28553 2977 17 the the DT 28553 2977 18 barometer barometer NN 28553 2977 19 , , , 28553 2977 20 which which WDT 28553 2977 21 means mean VBZ 28553 2977 22 " " `` 28553 2977 23 weight weight NN 28553 2977 24 - - HYPH 28553 2977 25 measurer measurer NN 28553 2977 26 . . . 28553 2977 27 " " '' 28553 2978 1 The the DT 28553 2978 2 normal normal JJ 28553 2978 3 air air NN 28553 2978 4 - - HYPH 28553 2978 5 pressure pressure NN 28553 2978 6 at at IN 28553 2978 7 sea sea NN 28553 2978 8 - - HYPH 28553 2978 9 level level NN 28553 2978 10 on on IN 28553 2978 11 our -PRON- PRP$ 28553 2978 12 bodies body NNS 28553 2978 13 or or CC 28553 2978 14 any any DT 28553 2978 15 other other JJ 28553 2978 16 objects object NNS 28553 2978 17 is be VBZ 28553 2978 18 about about RB 28553 2978 19 15 15 CD 28553 2978 20 lbs lb NNS 28553 2978 21 . . . 28553 2979 1 to to IN 28553 2979 2 the the DT 28553 2979 3 square square JJ 28553 2979 4 inch inch NN 28553 2979 5 -- -- : 28553 2979 6 that that DT 28553 2979 7 is be VBZ 28553 2979 8 to to TO 28553 2979 9 say say VB 28553 2979 10 , , , 28553 2979 11 if if IN 28553 2979 12 you -PRON- PRP 28553 2979 13 could could MD 28553 2979 14 imprison imprison VB 28553 2979 15 and and CC 28553 2979 16 weigh weigh VB 28553 2979 17 a a DT 28553 2979 18 column column NN 28553 2979 19 of of IN 28553 2979 20 air air NN 28553 2979 21 one one CD 28553 2979 22 inch inch NN 28553 2979 23 square square JJ 28553 2979 24 in in IN 28553 2979 25 section section NN 28553 2979 26 and and CC 28553 2979 27 of of IN 28553 2979 28 the the DT 28553 2979 29 height height NN 28553 2979 30 of of IN 28553 2979 31 the the DT 28553 2979 32 world world NN 28553 2979 33 's 's POS 28553 2979 34 atmospheric atmospheric JJ 28553 2979 35 envelope envelope NN 28553 2979 36 , , , 28553 2979 37 the the DT 28553 2979 38 scale scale NN 28553 2979 39 would would MD 28553 2979 40 register register VB 28553 2979 41 15 15 CD 28553 2979 42 lbs lbs NN 28553 2979 43 . . . 28553 2980 1 Many many JJ 28553 2980 2 years year NNS 28553 2980 3 ago ago RB 28553 2980 4 ( ( -LRB- 28553 2980 5 1643 1643 CD 28553 2980 6 ) ) -RRB- 28553 2980 7 Torricelli Torricelli NNP 28553 2980 8 , , , 28553 2980 9 a a DT 28553 2980 10 pupil pupil NN 28553 2980 11 of of IN 28553 2980 12 Galileo Galileo NNP 28553 2980 13 , , , 28553 2980 14 first first RB 28553 2980 15 calculated calculate VBD 28553 2980 16 the the DT 28553 2980 17 pressure pressure NN 28553 2980 18 by by IN 28553 2980 19 a a DT 28553 2980 20 very very RB 28553 2980 21 simple simple JJ 28553 2980 22 experiment experiment NN 28553 2980 23 . . . 28553 2981 1 He -PRON- PRP 28553 2981 2 took take VBD 28553 2981 3 a a DT 28553 2981 4 long long JJ 28553 2981 5 glass glass NN 28553 2981 6 tube tube NN 28553 2981 7 sealed seal VBN 28553 2981 8 at at IN 28553 2981 9 one one CD 28553 2981 10 end end NN 28553 2981 11 , , , 28553 2981 12 filled fill VBD 28553 2981 13 it -PRON- PRP 28553 2981 14 with with IN 28553 2981 15 mercury mercury NN 28553 2981 16 , , , 28553 2981 17 and and CC 28553 2981 18 , , , 28553 2981 19 closing close VBG 28553 2981 20 the the DT 28553 2981 21 open open JJ 28553 2981 22 end end NN 28553 2981 23 with with IN 28553 2981 24 the the DT 28553 2981 25 thumb thumb NN 28553 2981 26 , , , 28553 2981 27 inverted invert VBD 28553 2981 28 the the DT 28553 2981 29 tube tube NN 28553 2981 30 and and CC 28553 2981 31 plunged plunge VBD 28553 2981 32 the the DT 28553 2981 33 open open JJ 28553 2981 34 end end NN 28553 2981 35 below below IN 28553 2981 36 the the DT 28553 2981 37 surface surface NN 28553 2981 38 of of IN 28553 2981 39 a a DT 28553 2981 40 tank tank NN 28553 2981 41 of of IN 28553 2981 42 mercury mercury NN 28553 2981 43 . . . 28553 2982 1 On on IN 28553 2982 2 removing remove VBG 28553 2982 3 his -PRON- PRP$ 28553 2982 4 thumb thumb NN 28553 2982 5 he -PRON- PRP 28553 2982 6 found find VBD 28553 2982 7 that that IN 28553 2982 8 the the DT 28553 2982 9 mercury mercury NN 28553 2982 10 sank sink VBD 28553 2982 11 in in IN 28553 2982 12 the the DT 28553 2982 13 tube tube NN 28553 2982 14 till till IN 28553 2982 15 the the DT 28553 2982 16 surface surface NN 28553 2982 17 of of IN 28553 2982 18 the the DT 28553 2982 19 mercury mercury NN 28553 2982 20 in in IN 28553 2982 21 the the DT 28553 2982 22 tube tube NN 28553 2982 23 was be VBD 28553 2982 24 about about RB 28553 2982 25 30 30 CD 28553 2982 26 inches inch NNS 28553 2982 27 in in IN 28553 2982 28 a a DT 28553 2982 29 vertical vertical JJ 28553 2982 30 direction direction NN 28553 2982 31 above above IN 28553 2982 32 the the DT 28553 2982 33 surface surface NN 28553 2982 34 of of IN 28553 2982 35 the the DT 28553 2982 36 mercury mercury NN 28553 2982 37 in in IN 28553 2982 38 the the DT 28553 2982 39 tank tank NN 28553 2982 40 . . . 28553 2983 1 Now now RB 28553 2983 2 , , , 28553 2983 3 as as IN 28553 2983 4 the the DT 28553 2983 5 upper upper JJ 28553 2983 6 end end NN 28553 2983 7 was be VBD 28553 2983 8 sealed seal VBN 28553 2983 9 , , , 28553 2983 10 there there EX 28553 2983 11 must must MD 28553 2983 12 be be VB 28553 2983 13 a a DT 28553 2983 14 vacuum vacuum NN 28553 2983 15 _ _ NNP 28553 2983 16 above above IN 28553 2983 17 _ _ NNP 28553 2983 18 the the DT 28553 2983 19 mercury mercury NN 28553 2983 20 . . . 28553 2984 1 What what WP 28553 2984 2 supported support VBD 28553 2984 3 the the DT 28553 2984 4 column column NN 28553 2984 5 ? ? . 28553 2985 1 The the DT 28553 2985 2 atmosphere atmosphere NN 28553 2985 3 . . . 28553 2986 1 So so RB 28553 2986 2 it -PRON- PRP 28553 2986 3 was be VBD 28553 2986 4 evident evident JJ 28553 2986 5 that that IN 28553 2986 6 the the DT 28553 2986 7 downward downward JJ 28553 2986 8 pressure pressure NN 28553 2986 9 of of IN 28553 2986 10 the the DT 28553 2986 11 mercury mercury NN 28553 2986 12 exactly exactly RB 28553 2986 13 counterbalanced counterbalance VBD 28553 2986 14 the the DT 28553 2986 15 upward upward JJ 28553 2986 16 pressure pressure NN 28553 2986 17 of of IN 28553 2986 18 the the DT 28553 2986 19 air air NN 28553 2986 20 . . . 28553 2987 1 As as IN 28553 2987 2 a a DT 28553 2987 3 mercury mercury NN 28553 2987 4 column column NN 28553 2987 5 30 30 CD 28553 2987 6 inches inch NNS 28553 2987 7 high high JJ 28553 2987 8 and and CC 28553 2987 9 1 1 CD 28553 2987 10 inch inch NN 28553 2987 11 square square NN 28553 2987 12 weighs weigh VBZ 28553 2987 13 15 15 CD 28553 2987 14 lbs lbs NN 28553 2987 15 . . . 28553 2987 16 , , , 28553 2987 17 the the DT 28553 2987 18 air air NN 28553 2987 19 - - HYPH 28553 2987 20 pressure pressure NN 28553 2987 21 on on IN 28553 2987 22 a a DT 28553 2987 23 square square JJ 28553 2987 24 inch inch NN 28553 2987 25 obviously obviously RB 28553 2987 26 is be VBZ 28553 2987 27 the the DT 28553 2987 28 same same JJ 28553 2987 29 . . . 28553 2988 1 [ [ -LRB- 28553 2988 2 Illustration illustration NN 28553 2988 3 : : : 28553 2988 4 FIG FIG NNP 28553 2988 5 . . . 28553 2989 1 152.--A 152.--a CD 28553 2989 2 Fortin Fortin NNP 28553 2989 3 barometer barometer NN 28553 2989 4 . . . 28553 2989 5 ] ] -RRB- 28553 2990 1 FORTIN FORTIN NNP 28553 2990 2 'S be VBZ 28553 2990 3 COLUMN COLUMN NNP 28553 2990 4 BAROMETER BAROMETER NNP 28553 2990 5 is be VBZ 28553 2990 6 a a DT 28553 2990 7 simple simple JJ 28553 2990 8 Torricellian torricellian JJ 28553 2990 9 tube tube NN 28553 2990 10 , , , 28553 2990 11 T T NNP 28553 2990 12 , , , 28553 2990 13 with with IN 28553 2990 14 the the DT 28553 2990 15 lower low JJR 28553 2990 16 end end NN 28553 2990 17 submerged submerge VBN 28553 2990 18 in in IN 28553 2990 19 a a DT 28553 2990 20 little little JJ 28553 2990 21 glass glass NN 28553 2990 22 tank tank NN 28553 2990 23 of of IN 28553 2990 24 mercury mercury NN 28553 2990 25 ( ( -LRB- 28553 2990 26 Fig fig NN 28553 2990 27 . . . 28553 2991 1 152 152 CD 28553 2991 2 ) ) -RRB- 28553 2991 3 . . . 28553 2992 1 The the DT 28553 2992 2 bottom bottom NN 28553 2992 3 of of IN 28553 2992 4 this this DT 28553 2992 5 tank tank NN 28553 2992 6 is be VBZ 28553 2992 7 made make VBN 28553 2992 8 of of IN 28553 2992 9 washleather washleather NN 28553 2992 10 . . . 28553 2993 1 To to TO 28553 2993 2 obtain obtain VB 28553 2993 3 a a DT 28553 2993 4 " " `` 28553 2993 5 reading reading NN 28553 2993 6 " " '' 28553 2993 7 the the DT 28553 2993 8 screw screw NN 28553 2993 9 S S NNP 28553 2993 10 , , , 28553 2993 11 pressing press VBG 28553 2993 12 on on IN 28553 2993 13 the the DT 28553 2993 14 washleather washleather NN 28553 2993 15 , , , 28553 2993 16 is be VBZ 28553 2993 17 adjusted adjust VBN 28553 2993 18 until until IN 28553 2993 19 the the DT 28553 2993 20 mercury mercury NN 28553 2993 21 in in IN 28553 2993 22 the the DT 28553 2993 23 tank tank NN 28553 2993 24 rises rise VBZ 28553 2993 25 to to IN 28553 2993 26 the the DT 28553 2993 27 tip tip NN 28553 2993 28 of of IN 28553 2993 29 the the DT 28553 2993 30 little little JJ 28553 2993 31 ivory ivory NN 28553 2993 32 point point NN 28553 2993 33 P. P. NNP 28553 2993 34 The the DT 28553 2993 35 reading reading NN 28553 2993 36 is be VBZ 28553 2993 37 the the DT 28553 2993 38 figure figure NN 28553 2993 39 of of IN 28553 2993 40 the the DT 28553 2993 41 scale scale NN 28553 2993 42 on on IN 28553 2993 43 the the DT 28553 2993 44 face face NN 28553 2993 45 of of IN 28553 2993 46 the the DT 28553 2993 47 case case NN 28553 2993 48 opposite opposite IN 28553 2993 49 which which WDT 28553 2993 50 the the DT 28553 2993 51 surface surface NN 28553 2993 52 of of IN 28553 2993 53 the the DT 28553 2993 54 column column NN 28553 2993 55 stands stand VBZ 28553 2993 56 . . . 28553 2994 1 [ [ -LRB- 28553 2994 2 Illustration illustration NN 28553 2994 3 : : : 28553 2994 4 FIG FIG NNP 28553 2994 5 . . . 28553 2995 1 153 153 CD 28553 2995 2 . . . 28553 2995 3 ] ] -RRB- 28553 2996 1 THE the DT 28553 2996 2 WHEEL WHEEL NNP 28553 2996 3 BAROMETER BAROMETER NNP 28553 2996 4 also also RB 28553 2996 5 employs employ VBZ 28553 2996 6 the the DT 28553 2996 7 mercury mercury NN 28553 2996 8 column column NN 28553 2996 9 ( ( -LRB- 28553 2996 10 Fig fig NN 28553 2996 11 . . . 28553 2997 1 153 153 CD 28553 2997 2 ) ) -RRB- 28553 2997 3 . . . 28553 2998 1 The the DT 28553 2998 2 lower low JJR 28553 2998 3 end end NN 28553 2998 4 of of IN 28553 2998 5 the the DT 28553 2998 6 tube tube NN 28553 2998 7 is be VBZ 28553 2998 8 turned turn VBN 28553 2998 9 up up RP 28553 2998 10 and and CC 28553 2998 11 expanded expand VBN 28553 2998 12 to to TO 28553 2998 13 form form VB 28553 2998 14 a a DT 28553 2998 15 tank tank NN 28553 2998 16 , , , 28553 2998 17 C. C. NNP 28553 2998 18 The the DT 28553 2998 19 pointer pointer NN 28553 2998 20 P p NN 28553 2998 21 , , , 28553 2998 22 which which WDT 28553 2998 23 travels travel VBZ 28553 2998 24 round round VBP 28553 2998 25 a a DT 28553 2998 26 graduated graduate VBN 28553 2998 27 dial dial NN 28553 2998 28 , , , 28553 2998 29 is be VBZ 28553 2998 30 mounted mount VBN 28553 2998 31 on on IN 28553 2998 32 a a DT 28553 2998 33 spindle spindle NN 28553 2998 34 carrying carry VBG 28553 2998 35 a a DT 28553 2998 36 pulley pulley NN 28553 2998 37 , , , 28553 2998 38 over over IN 28553 2998 39 which which WDT 28553 2998 40 passes pass VBZ 28553 2998 41 a a DT 28553 2998 42 string string NN 28553 2998 43 with with IN 28553 2998 44 a a DT 28553 2998 45 weight weight NN 28553 2998 46 at at IN 28553 2998 47 each each DT 28553 2998 48 end end NN 28553 2998 49 . . . 28553 2999 1 The the DT 28553 2999 2 heavier heavy JJR 28553 2999 3 of of IN 28553 2999 4 the the DT 28553 2999 5 weights weight NNS 28553 2999 6 rests rest NNS 28553 2999 7 on on IN 28553 2999 8 the the DT 28553 2999 9 top top NN 28553 2999 10 of of IN 28553 2999 11 the the DT 28553 2999 12 mercury mercury NN 28553 2999 13 . . . 28553 3000 1 When when WRB 28553 3000 2 the the DT 28553 3000 3 atmospheric atmospheric JJ 28553 3000 4 pressure pressure NN 28553 3000 5 falls fall VBZ 28553 3000 6 , , , 28553 3000 7 the the DT 28553 3000 8 mercury mercury NN 28553 3000 9 in in IN 28553 3000 10 C C NNP 28553 3000 11 rises rise VBZ 28553 3000 12 , , , 28553 3000 13 lifting lift VBG 28553 3000 14 this this DT 28553 3000 15 weight weight NN 28553 3000 16 , , , 28553 3000 17 and and CC 28553 3000 18 the the DT 28553 3000 19 pointer pointer NN 28553 3000 20 moves move NNS 28553 3000 21 . . . 28553 3001 1 This this DT 28553 3001 2 form form NN 28553 3001 3 of of IN 28553 3001 4 barometer barometer NN 28553 3001 5 is be VBZ 28553 3001 6 not not RB 28553 3001 7 so so RB 28553 3001 8 delicate delicate JJ 28553 3001 9 or or CC 28553 3001 10 reliable reliable JJ 28553 3001 11 as as IN 28553 3001 12 Fortin Fortin NNP 28553 3001 13 's 's POS 28553 3001 14 , , , 28553 3001 15 or or CC 28553 3001 16 as as IN 28553 3001 17 the the DT 28553 3001 18 siphon siphon NNP 28553 3001 19 barometer barometer NN 28553 3001 20 , , , 28553 3001 21 which which WDT 28553 3001 22 has have VBZ 28553 3001 23 a a DT 28553 3001 24 tube tube NN 28553 3001 25 of of IN 28553 3001 26 the the DT 28553 3001 27 same same JJ 28553 3001 28 shape shape NN 28553 3001 29 as as IN 28553 3001 30 the the DT 28553 3001 31 wheel wheel NN 28553 3001 32 instrument instrument NN 28553 3001 33 , , , 28553 3001 34 but but CC 28553 3001 35 of of IN 28553 3001 36 the the DT 28553 3001 37 same same JJ 28553 3001 38 diameter diameter NN 28553 3001 39 from from IN 28553 3001 40 end end NN 28553 3001 41 to to IN 28553 3001 42 end end NN 28553 3001 43 except except IN 28553 3001 44 for for IN 28553 3001 45 a a DT 28553 3001 46 contraction contraction NN 28553 3001 47 at at IN 28553 3001 48 the the DT 28553 3001 49 bend bend NN 28553 3001 50 . . . 28553 3002 1 The the DT 28553 3002 2 reading reading NN 28553 3002 3 of of IN 28553 3002 4 a a DT 28553 3002 5 siphon siphon NN 28553 3002 6 is be VBZ 28553 3002 7 the the DT 28553 3002 8 distance distance NN 28553 3002 9 between between IN 28553 3002 10 the the DT 28553 3002 11 two two CD 28553 3002 12 surfaces surface NNS 28553 3002 13 of of IN 28553 3002 14 the the DT 28553 3002 15 mercury mercury NN 28553 3002 16 . . . 28553 3003 1 A a DT 28553 3003 2 VERY very RB 28553 3003 3 SIMPLE simple JJ 28553 3003 4 BAROMETER BAROMETER NNP 28553 3003 5 is be VBZ 28553 3003 6 made make VBN 28553 3003 7 by by IN 28553 3003 8 knocking knock VBG 28553 3003 9 off off RP 28553 3003 10 the the DT 28553 3003 11 neck neck NN 28553 3003 12 of of IN 28553 3003 13 a a DT 28553 3003 14 small small JJ 28553 3003 15 bottle bottle NN 28553 3003 16 , , , 28553 3003 17 filling fill VBG 28553 3003 18 the the DT 28553 3003 19 body body NN 28553 3003 20 with with IN 28553 3003 21 water water NN 28553 3003 22 , , , 28553 3003 23 and and CC 28553 3003 24 hanging hang VBG 28553 3003 25 it -PRON- PRP 28553 3003 26 up up RP 28553 3003 27 by by IN 28553 3003 28 a a DT 28553 3003 29 string string NN 28553 3003 30 in in IN 28553 3003 31 the the DT 28553 3003 32 position position NN 28553 3003 33 shown show VBN 28553 3003 34 ( ( -LRB- 28553 3003 35 Fig fig NN 28553 3003 36 . . . 28553 3004 1 154 154 CD 28553 3004 2 ) ) -RRB- 28553 3004 3 . . . 28553 3005 1 When when WRB 28553 3005 2 the the DT 28553 3005 3 atmospheric atmospheric JJ 28553 3005 4 pressure pressure NN 28553 3005 5 falls fall VBZ 28553 3005 6 , , , 28553 3005 7 the the DT 28553 3005 8 water water NN 28553 3005 9 at at IN 28553 3005 10 the the DT 28553 3005 11 orifice orifice NN 28553 3005 12 bulges bulge NNS 28553 3005 13 outwards outward NNS 28553 3005 14 ; ; : 28553 3005 15 when when WRB 28553 3005 16 it -PRON- PRP 28553 3005 17 rises rise VBZ 28553 3005 18 , , , 28553 3005 19 the the DT 28553 3005 20 water water NN 28553 3005 21 retreats retreat NNS 28553 3005 22 till till IN 28553 3005 23 its -PRON- PRP$ 28553 3005 24 surface surface NN 28553 3005 25 is be VBZ 28553 3005 26 slightly slightly RB 28553 3005 27 concave concave JJ 28553 3005 28 . . . 28553 3006 1 [ [ -LRB- 28553 3006 2 Illustration illustration NN 28553 3006 3 : : : 28553 3006 4 FIG FIG NNP 28553 3006 5 . . . 28553 3007 1 154 154 CD 28553 3007 2 . . . 28553 3007 3 ] ] -RRB- 28553 3008 1 THE the DT 28553 3008 2 ANEROID ANEROID NNP 28553 3008 3 BAROMETER BAROMETER NNP 28553 3008 4 . . . 28553 3009 1 On on IN 28553 3009 2 account account NN 28553 3009 3 of of IN 28553 3009 4 their -PRON- PRP$ 28553 3009 5 size size NN 28553 3009 6 and and CC 28553 3009 7 weight weight NN 28553 3009 8 , , , 28553 3009 9 and and CC 28553 3009 10 the the DT 28553 3009 11 comparative comparative JJ 28553 3009 12 difficulty difficulty NN 28553 3009 13 of of IN 28553 3009 14 transporting transport VBG 28553 3009 15 them -PRON- PRP 28553 3009 16 without without IN 28553 3009 17 derangement derangement NN 28553 3009 18 of of IN 28553 3009 19 the the DT 28553 3009 20 mercury mercury NN 28553 3009 21 column column NN 28553 3009 22 , , , 28553 3009 23 column column NN 28553 3009 24 barometers barometer NNS 28553 3009 25 are be VBP 28553 3009 26 not not RB 28553 3009 27 so so RB 28553 3009 28 generally generally RB 28553 3009 29 used use VBN 28553 3009 30 as as IN 28553 3009 31 the the DT 28553 3009 32 aneroid aneroid NNP 28553 3009 33 variety variety NN 28553 3009 34 . . . 28553 3010 1 Aneroid Aneroid NNP 28553 3010 2 means mean VBZ 28553 3010 3 " " `` 28553 3010 4 without without IN 28553 3010 5 moisture moisture NN 28553 3010 6 , , , 28553 3010 7 " " '' 28553 3010 8 and and CC 28553 3010 9 in in IN 28553 3010 10 this this DT 28553 3010 11 particular particular JJ 28553 3010 12 connection connection NN 28553 3010 13 signifies signify VBZ 28553 3010 14 that that IN 28553 3010 15 no no DT 28553 3010 16 liquid liquid NN 28553 3010 17 is be VBZ 28553 3010 18 used use VBN 28553 3010 19 in in IN 28553 3010 20 the the DT 28553 3010 21 construction construction NN 28553 3010 22 of of IN 28553 3010 23 the the DT 28553 3010 24 barometer barometer NN 28553 3010 25 . . . 28553 3011 1 Fig fig NN 28553 3011 2 . . . 28553 3012 1 155 155 CD 28553 3012 2 shows show VBZ 28553 3012 3 an an DT 28553 3012 4 aneroid aneroid NN 28553 3012 5 in in IN 28553 3012 6 detail detail NN 28553 3012 7 . . . 28553 3013 1 The the DT 28553 3013 2 most most RBS 28553 3013 3 noticeable noticeable JJ 28553 3013 4 feature feature NN 28553 3013 5 is be VBZ 28553 3013 6 the the DT 28553 3013 7 vacuum vacuum NN 28553 3013 8 chamber chamber NN 28553 3013 9 , , , 28553 3013 10 V V NNP 28553 3013 11 C C NNP 28553 3013 12 , , , 28553 3013 13 a a DT 28553 3013 14 circular circular JJ 28553 3013 15 box box NN 28553 3013 16 which which WDT 28553 3013 17 has have VBZ 28553 3013 18 a a DT 28553 3013 19 top top JJ 28553 3013 20 and and CC 28553 3013 21 bottom bottom NN 28553 3013 22 of of IN 28553 3013 23 corrugated corrugated JJ 28553 3013 24 but but CC 28553 3013 25 thin thin JJ 28553 3013 26 and and CC 28553 3013 27 elastic elastic JJ 28553 3013 28 metal metal NN 28553 3013 29 . . . 28553 3014 1 Sections section NNS 28553 3014 2 of of IN 28553 3014 3 the the DT 28553 3014 4 box box NN 28553 3014 5 are be VBP 28553 3014 6 shown show VBN 28553 3014 7 in in IN 28553 3014 8 Figs Figs NNP 28553 3014 9 . . . 28553 3015 1 156 156 CD 28553 3015 2 , , , 28553 3015 3 157 157 CD 28553 3015 4 . . . 28553 3016 1 It -PRON- PRP 28553 3016 2 is be VBZ 28553 3016 3 attached attach VBN 28553 3016 4 at at IN 28553 3016 5 the the DT 28553 3016 6 bottom bottom NN 28553 3016 7 to to IN 28553 3016 8 the the DT 28553 3016 9 base base NNP 28553 3016 10 board board NN 28553 3016 11 of of IN 28553 3016 12 the the DT 28553 3016 13 instrument instrument NN 28553 3016 14 by by IN 28553 3016 15 a a DT 28553 3016 16 screw screw NN 28553 3016 17 ( ( -LRB- 28553 3016 18 Fig fig NN 28553 3016 19 . . . 28553 3017 1 156 156 CD 28553 3017 2 ) ) -RRB- 28553 3017 3 . . . 28553 3018 1 From from IN 28553 3018 2 the the DT 28553 3018 3 top top NN 28553 3018 4 rises rise VBZ 28553 3018 5 a a DT 28553 3018 6 pin pin NN 28553 3018 7 , , , 28553 3018 8 P p NN 28553 3018 9 , , , 28553 3018 10 with with IN 28553 3018 11 a a DT 28553 3018 12 transverse transverse JJ 28553 3018 13 hole hole NN 28553 3018 14 through through IN 28553 3018 15 it -PRON- PRP 28553 3018 16 to to TO 28553 3018 17 accommodate accommodate VB 28553 3018 18 the the DT 28553 3018 19 pin pin NN 28553 3018 20 K k NN 28553 3018 21 E E NNP 28553 3018 22 , , , 28553 3018 23 which which WDT 28553 3018 24 has have VBZ 28553 3018 25 a a DT 28553 3018 26 triangular triangular JJ 28553 3018 27 section section NN 28553 3018 28 , , , 28553 3018 29 and and CC 28553 3018 30 stands stand VBZ 28553 3018 31 on on IN 28553 3018 32 one one CD 28553 3018 33 edge edge NN 28553 3018 34 . . . 28553 3019 1 [ [ -LRB- 28553 3019 2 Illustration illustration NN 28553 3019 3 : : : 28553 3019 4 FIG FIG NNP 28553 3019 5 . . . 28553 3020 1 155.--An 155.--an CD 28553 3020 2 aneroid aneroid NNP 28553 3020 3 barometer barometer NNP 28553 3020 4 . . . 28553 3020 5 ] ] -RRB- 28553 3021 1 Returning return VBG 28553 3021 2 to to IN 28553 3021 3 Fig Fig NNP 28553 3021 4 . . . 28553 3022 1 155 155 CD 28553 3022 2 , , , 28553 3022 3 we -PRON- PRP 28553 3022 4 see see VBP 28553 3022 5 that that IN 28553 3022 6 P p NN 28553 3022 7 projects project NNS 28553 3022 8 through through IN 28553 3022 9 S S NNP 28553 3022 10 , , , 28553 3022 11 a a DT 28553 3022 12 powerful powerful JJ 28553 3022 13 spring spring NN 28553 3022 14 of of IN 28553 3022 15 sheet sheet NN 28553 3022 16 - - HYPH 28553 3022 17 steel steel NN 28553 3022 18 . . . 28553 3023 1 To to IN 28553 3023 2 this this DT 28553 3023 3 is be VBZ 28553 3023 4 attached attach VBN 28553 3023 5 a a DT 28553 3023 6 long long JJ 28553 3023 7 arm arm NN 28553 3023 8 , , , 28553 3023 9 C C NNP 28553 3023 10 , , , 28553 3023 11 the the DT 28553 3023 12 free free JJ 28553 3023 13 end end NN 28553 3023 14 of of IN 28553 3023 15 which which WDT 28553 3023 16 moves move VBZ 28553 3023 17 a a DT 28553 3023 18 link link NN 28553 3023 19 rotating rotating NN 28553 3023 20 , , , 28553 3023 21 through through IN 28553 3023 22 the the DT 28553 3023 23 pin pin NN 28553 3023 24 E e NN 28553 3023 25 , , , 28553 3023 26 a a DT 28553 3023 27 spindle spindle NN 28553 3023 28 mounted mount VBN 28553 3023 29 in in IN 28553 3023 30 a a DT 28553 3023 31 frame frame NN 28553 3023 32 , , , 28553 3023 33 D. D. NNP 28553 3023 34 The the DT 28553 3023 35 spindle spindle JJ 28553 3023 36 moves move VBZ 28553 3023 37 arm arm VBP 28553 3023 38 F. F. NNP 28553 3023 39 This this DT 28553 3023 40 pulls pull VBZ 28553 3023 41 on on IN 28553 3023 42 a a DT 28553 3023 43 very very RB 28553 3023 44 minute minute NN 28553 3023 45 chain chain NN 28553 3023 46 wound wind VBN 28553 3023 47 round round IN 28553 3023 48 the the DT 28553 3023 49 pointer pointer NN 28553 3023 50 spindle spindle NN 28553 3023 51 B B NNP 28553 3023 52 , , , 28553 3023 53 in in IN 28553 3023 54 opposition opposition NN 28553 3023 55 to to IN 28553 3023 56 a a DT 28553 3023 57 hairspring hairspring NN 28553 3023 58 , , , 28553 3023 59 H H NNP 28553 3023 60 S. S. NNP 28553 3023 61 B B NNP 28553 3023 62 is be VBZ 28553 3023 63 mounted mount VBN 28553 3023 64 on on IN 28553 3023 65 arm arm NN 28553 3023 66 H h NN 28553 3023 67 , , , 28553 3023 68 which which WDT 28553 3023 69 is be VBZ 28553 3023 70 quite quite RB 28553 3023 71 independent independent JJ 28553 3023 72 of of IN 28553 3023 73 the the DT 28553 3023 74 rest rest NN 28553 3023 75 of of IN 28553 3023 76 the the DT 28553 3023 77 aneroid aneroid NN 28553 3023 78 . . . 28553 3024 1 [ [ -LRB- 28553 3024 2 Illustration illustration NN 28553 3024 3 : : : 28553 3024 4 FIG FIG NNP 28553 3024 5 . . . 28553 3025 1 156 156 CD 28553 3025 2 . . . 28553 3026 1 FIG FIG NNP 28553 3026 2 . . . 28553 3027 1 157 157 CD 28553 3027 2 . . . 28553 3028 1 The the DT 28553 3028 2 vacuum vacuum NN 28553 3028 3 chamber chamber NN 28553 3028 4 of of IN 28553 3028 5 an an DT 28553 3028 6 aneroid aneroid JJ 28553 3028 7 barometer barometer NN 28553 3028 8 extended extend VBN 28553 3028 9 and and CC 28553 3028 10 compressed compress VBN 28553 3028 11 . . . 28553 3028 12 ] ] -RRB- 28553 3029 1 The the DT 28553 3029 2 vacuum vacuum NN 28553 3029 3 chamber chamber NN 28553 3029 4 is be VBZ 28553 3029 5 exhausted exhaust VBN 28553 3029 6 during during IN 28553 3029 7 manufacture manufacture NN 28553 3029 8 and and CC 28553 3029 9 sealed seal VBN 28553 3029 10 . . . 28553 3030 1 It -PRON- PRP 28553 3030 2 would would MD 28553 3030 3 naturally naturally RB 28553 3030 4 assume assume VB 28553 3030 5 the the DT 28553 3030 6 shape shape NN 28553 3030 7 of of IN 28553 3030 8 Fig Fig NNP 28553 3030 9 . . . 28553 3031 1 157 157 CD 28553 3031 2 , , , 28553 3031 3 but but CC 28553 3031 4 the the DT 28553 3031 5 spring spring NN 28553 3031 6 S S NNP 28553 3031 7 , , , 28553 3031 8 acting act VBG 28553 3031 9 against against IN 28553 3031 10 the the DT 28553 3031 11 atmospheric atmospheric JJ 28553 3031 12 pressure pressure NN 28553 3031 13 , , , 28553 3031 14 pulls pull VBZ 28553 3031 15 it -PRON- PRP 28553 3031 16 out out RP 28553 3031 17 . . . 28553 3032 1 As as IN 28553 3032 2 the the DT 28553 3032 3 pressure pressure NN 28553 3032 4 varies vary VBZ 28553 3032 5 , , , 28553 3032 6 so so RB 28553 3032 7 does do VBZ 28553 3032 8 the the DT 28553 3032 9 spring spring NN 28553 3032 10 rise rise NN 28553 3032 11 or or CC 28553 3032 12 sink sink NN 28553 3032 13 ; ; : 28553 3032 14 and and CC 28553 3032 15 the the DT 28553 3032 16 slightest slight JJS 28553 3032 17 movement movement NN 28553 3032 18 is be VBZ 28553 3032 19 transmitted transmit VBN 28553 3032 20 through through IN 28553 3032 21 the the DT 28553 3032 22 multiplying multiply VBG 28553 3032 23 arms arm NNS 28553 3032 24 C C NNP 28553 3032 25 , , , 28553 3032 26 E E NNP 28553 3032 27 , , , 28553 3032 28 F F NNP 28553 3032 29 , , , 28553 3032 30 to to IN 28553 3032 31 the the DT 28553 3032 32 pointer pointer NN 28553 3032 33 . . . 28553 3033 1 A a DT 28553 3033 2 good good JJ 28553 3033 3 aneroid aneroid NN 28553 3033 4 is be VBZ 28553 3033 5 so so RB 28553 3033 6 delicate delicate JJ 28553 3033 7 that that IN 28553 3033 8 it -PRON- PRP 28553 3033 9 will will MD 28553 3033 10 register register VB 28553 3033 11 the the DT 28553 3033 12 difference difference NN 28553 3033 13 in in IN 28553 3033 14 pressure pressure NN 28553 3033 15 caused cause VBN 28553 3033 16 by by IN 28553 3033 17 raising raise VBG 28553 3033 18 it -PRON- PRP 28553 3033 19 from from IN 28553 3033 20 the the DT 28553 3033 21 floor floor NN 28553 3033 22 to to IN 28553 3033 23 the the DT 28553 3033 24 table table NN 28553 3033 25 , , , 28553 3033 26 where where WRB 28553 3033 27 it -PRON- PRP 28553 3033 28 has have VBZ 28553 3033 29 a a DT 28553 3033 30 couple couple NN 28553 3033 31 of of IN 28553 3033 32 feet foot NNS 28553 3033 33 less less JJR 28553 3033 34 of of IN 28553 3033 35 air air NN 28553 3033 36 - - HYPH 28553 3033 37 column column NN 28553 3033 38 resting rest VBG 28553 3033 39 upon upon IN 28553 3033 40 it -PRON- PRP 28553 3033 41 . . . 28553 3034 1 An an DT 28553 3034 2 aneroid aneroid NN 28553 3034 3 is be VBZ 28553 3034 4 therefore therefore RB 28553 3034 5 a a DT 28553 3034 6 valuable valuable JJ 28553 3034 7 help help NN 28553 3034 8 to to IN 28553 3034 9 mountaineers mountaineer NNS 28553 3034 10 for for IN 28553 3034 11 determining determine VBG 28553 3034 12 their -PRON- PRP$ 28553 3034 13 altitude altitude NN 28553 3034 14 above above IN 28553 3034 15 sea sea NN 28553 3034 16 - - HYPH 28553 3034 17 level level NN 28553 3034 18 . . . 28553 3035 1 BAROMETERS barometer NNS 28553 3035 2 AND and CC 28553 3035 3 WEATHER weather NN 28553 3035 4 . . . 28553 3036 1 We -PRON- PRP 28553 3036 2 may may MD 28553 3036 3 now now RB 28553 3036 4 return return VB 28553 3036 5 to to IN 28553 3036 6 the the DT 28553 3036 7 consideration consideration NN 28553 3036 8 of of IN 28553 3036 9 forecasting forecast VBG 28553 3036 10 the the DT 28553 3036 11 weather weather NN 28553 3036 12 by by IN 28553 3036 13 movements movement NNS 28553 3036 14 of of IN 28553 3036 15 the the DT 28553 3036 16 barometer barometer NN 28553 3036 17 . . . 28553 3037 1 The the DT 28553 3037 2 first first JJ 28553 3037 3 thing thing NN 28553 3037 4 to to TO 28553 3037 5 keep keep VB 28553 3037 6 in in IN 28553 3037 7 mind mind NN 28553 3037 8 is be VBZ 28553 3037 9 , , , 28553 3037 10 that that IN 28553 3037 11 the the DT 28553 3037 12 instrument instrument NN 28553 3037 13 is be VBZ 28553 3037 14 essentially essentially RB 28553 3037 15 a a DT 28553 3037 16 _ _ NNP 28553 3037 17 weight weight NN 28553 3037 18 _ _ NNP 28553 3037 19 recorder recorder NN 28553 3037 20 . . . 28553 3038 1 How how WRB 28553 3038 2 is be VBZ 28553 3038 3 weather weather NN 28553 3038 4 connected connect VBN 28553 3038 5 with with IN 28553 3038 6 atmospheric atmospheric JJ 28553 3038 7 weight weight NN 28553 3038 8 ? ? . 28553 3039 1 In in IN 28553 3039 2 England England NNP 28553 3039 3 the the DT 28553 3039 4 warm warm JJ 28553 3039 5 south south JJ 28553 3039 6 - - HYPH 28553 3039 7 west west NN 28553 3039 8 wind wind NN 28553 3039 9 generally generally RB 28553 3039 10 brings bring VBZ 28553 3039 11 wet wet JJ 28553 3039 12 weather weather NN 28553 3039 13 , , , 28553 3039 14 the the DT 28553 3039 15 north north NN 28553 3039 16 and and CC 28553 3039 17 east east NN 28553 3039 18 winds wind VBZ 28553 3039 19 fine fine JJ 28553 3039 20 weather weather NN 28553 3039 21 ; ; , 28553 3039 22 the the DT 28553 3039 23 reason reason NN 28553 3039 24 for for IN 28553 3039 25 this this DT 28553 3039 26 being being NN 28553 3039 27 that that IN 28553 3039 28 the the DT 28553 3039 29 first first JJ 28553 3039 30 reaches reach VBZ 28553 3039 31 us -PRON- PRP 28553 3039 32 after after IN 28553 3039 33 passing pass VBG 28553 3039 34 over over RP 28553 3039 35 the the DT 28553 3039 36 Atlantic Atlantic NNP 28553 3039 37 and and CC 28553 3039 38 picking pick VBG 28553 3039 39 up up RP 28553 3039 40 a a DT 28553 3039 41 quantity quantity NN 28553 3039 42 of of IN 28553 3039 43 moisture moisture NN 28553 3039 44 , , , 28553 3039 45 while while IN 28553 3039 46 the the DT 28553 3039 47 second second JJ 28553 3039 48 and and CC 28553 3039 49 third third JJ 28553 3039 50 have have VBP 28553 3039 51 come come VBN 28553 3039 52 overland overland RB 28553 3039 53 and and CC 28553 3039 54 deposited deposit VBD 28553 3039 55 their -PRON- PRP$ 28553 3039 56 moisture moisture NN 28553 3039 57 before before IN 28553 3039 58 reaching reach VBG 28553 3039 59 us -PRON- PRP 28553 3039 60 . . . 28553 3040 1 A a DT 28553 3040 2 sinking sinking NN 28553 3040 3 of of IN 28553 3040 4 the the DT 28553 3040 5 barometer barometer NN 28553 3040 6 heralds herald VBZ 28553 3040 7 the the DT 28553 3040 8 approach approach NN 28553 3040 9 of of IN 28553 3040 10 heated heated JJ 28553 3040 11 air air NN 28553 3040 12 -- -- : 28553 3040 13 that that RB 28553 3040 14 is is RB 28553 3040 15 , , , 28553 3040 16 moist moist JJ 28553 3040 17 air air NN 28553 3040 18 -- -- : 28553 3040 19 which which WDT 28553 3040 20 on on IN 28553 3040 21 meeting meet VBG 28553 3040 22 colder cold JJR 28553 3040 23 air air NNP 28553 3040 24 sheds shed VBZ 28553 3040 25 its -PRON- PRP$ 28553 3040 26 moisture moisture NN 28553 3040 27 . . . 28553 3041 1 So so RB 28553 3041 2 when when WRB 28553 3041 3 the the DT 28553 3041 4 mercury mercury NN 28553 3041 5 falls fall VBZ 28553 3041 6 we -PRON- PRP 28553 3041 7 expect expect VBP 28553 3041 8 rain rain NN 28553 3041 9 . . . 28553 3042 1 On on IN 28553 3042 2 the the DT 28553 3042 3 other other JJ 28553 3042 4 hand hand NN 28553 3042 5 , , , 28553 3042 6 when when WRB 28553 3042 7 the the DT 28553 3042 8 " " `` 28553 3042 9 glass glass NN 28553 3042 10 " " '' 28553 3042 11 rises rise NNS 28553 3042 12 , , , 28553 3042 13 we -PRON- PRP 28553 3042 14 know know VBP 28553 3042 15 that that IN 28553 3042 16 colder cold JJR 28553 3042 17 air air NN 28553 3042 18 is be VBZ 28553 3042 19 coming come VBG 28553 3042 20 , , , 28553 3042 21 and and CC 28553 3042 22 as as IN 28553 3042 23 colder cold JJR 28553 3042 24 air air NN 28553 3042 25 comes come VBZ 28553 3042 26 from from IN 28553 3042 27 a a DT 28553 3042 28 dry dry JJ 28553 3042 29 quarter quarter NN 28553 3042 30 we -PRON- PRP 28553 3042 31 anticipate anticipate VBP 28553 3042 32 fine fine JJ 28553 3042 33 weather weather NN 28553 3042 34 . . . 28553 3043 1 It -PRON- PRP 28553 3043 2 does do VBZ 28553 3043 3 not not RB 28553 3043 4 follow follow VB 28553 3043 5 that that IN 28553 3043 6 the the DT 28553 3043 7 same same JJ 28553 3043 8 conditions condition NNS 28553 3043 9 are be VBP 28553 3043 10 found find VBN 28553 3043 11 in in IN 28553 3043 12 all all DT 28553 3043 13 parts part NNS 28553 3043 14 of of IN 28553 3043 15 the the DT 28553 3043 16 world world NN 28553 3043 17 . . . 28553 3044 1 In in IN 28553 3044 2 regions region NNS 28553 3044 3 which which WDT 28553 3044 4 have have VBP 28553 3044 5 the the DT 28553 3044 6 ocean ocean NN 28553 3044 7 to to IN 28553 3044 8 the the DT 28553 3044 9 east east NN 28553 3044 10 or or CC 28553 3044 11 the the DT 28553 3044 12 north north NN 28553 3044 13 , , , 28553 3044 14 the the DT 28553 3044 15 winds wind NNS 28553 3044 16 blowing blow VBG 28553 3044 17 thence thence NN 28553 3044 18 would would MD 28553 3044 19 be be VB 28553 3044 20 the the DT 28553 3044 21 rainy rainy JJ 28553 3044 22 winds wind NNS 28553 3044 23 , , , 28553 3044 24 while while IN 28553 3044 25 south south RB 28553 3044 26 - - HYPH 28553 3044 27 westerly westerly JJ 28553 3044 28 winds wind NNS 28553 3044 29 might may MD 28553 3044 30 bring bring VB 28553 3044 31 hot hot JJ 28553 3044 32 and and CC 28553 3044 33 dry dry JJ 28553 3044 34 weather weather NN 28553 3044 35 . . . 28553 3045 1 THE the DT 28553 3045 2 DIVING DIVING NNP 28553 3045 3 - - HYPH 28553 3045 4 BELL BELL NNP 28553 3045 5 . . . 28553 3046 1 Water water NN 28553 3046 2 is be VBZ 28553 3046 3 nearly nearly RB 28553 3046 4 773 773 CD 28553 3046 5 times time NNS 28553 3046 6 as as RB 28553 3046 7 heavy heavy JJ 28553 3046 8 as as IN 28553 3046 9 air air NN 28553 3046 10 . . . 28553 3047 1 If if IN 28553 3047 2 we -PRON- PRP 28553 3047 3 submerge submerge VBP 28553 3047 4 a a DT 28553 3047 5 barometer barometer NN 28553 3047 6 a a DT 28553 3047 7 very very RB 28553 3047 8 little little JJ 28553 3047 9 way way NN 28553 3047 10 below below IN 28553 3047 11 the the DT 28553 3047 12 surface surface NN 28553 3047 13 of of IN 28553 3047 14 a a DT 28553 3047 15 water water NN 28553 3047 16 tank tank NN 28553 3047 17 , , , 28553 3047 18 we -PRON- PRP 28553 3047 19 shall shall MD 28553 3047 20 at at IN 28553 3047 21 once once RB 28553 3047 22 observe observe VB 28553 3047 23 a a DT 28553 3047 24 rise rise NN 28553 3047 25 of of IN 28553 3047 26 the the DT 28553 3047 27 mercury mercury NN 28553 3047 28 column column NN 28553 3047 29 . . . 28553 3048 1 At at IN 28553 3048 2 a a DT 28553 3048 3 depth depth NN 28553 3048 4 of of IN 28553 3048 5 34 34 CD 28553 3048 6 feet foot NNS 28553 3048 7 the the DT 28553 3048 8 pressure pressure NN 28553 3048 9 on on IN 28553 3048 10 any any DT 28553 3048 11 submerged submerged JJ 28553 3048 12 object object NN 28553 3048 13 is be VBZ 28553 3048 14 15 15 CD 28553 3048 15 lbs lbs NN 28553 3048 16 . . . 28553 3049 1 to to IN 28553 3049 2 the the DT 28553 3049 3 square square JJ 28553 3049 4 inch inch NN 28553 3049 5 , , , 28553 3049 6 in in IN 28553 3049 7 addition addition NN 28553 3049 8 to to IN 28553 3049 9 the the DT 28553 3049 10 atmospheric atmospheric JJ 28553 3049 11 pressure pressure NN 28553 3049 12 of of IN 28553 3049 13 15 15 CD 28553 3049 14 lbs lb NNS 28553 3049 15 . . . 28553 3050 1 per per IN 28553 3050 2 square square JJ 28553 3050 3 inch inch NN 28553 3050 4 -- -- : 28553 3050 5 that that RB 28553 3050 6 is is RB 28553 3050 7 , , , 28553 3050 8 there there EX 28553 3050 9 would would MD 28553 3050 10 be be VB 28553 3050 11 a a DT 28553 3050 12 30-lb 30-lb NNP 28553 3050 13 . . . 28553 3051 1 _ _ NNP 28553 3051 2 absolute absolute JJ 28553 3051 3 _ _ NNP 28553 3051 4 pressure pressure NN 28553 3051 5 . . . 28553 3052 1 As as IN 28553 3052 2 a a DT 28553 3052 3 rule rule NN 28553 3052 4 , , , 28553 3052 5 when when WRB 28553 3052 6 speaking speak VBG 28553 3052 7 of of IN 28553 3052 8 hydraulic hydraulic JJ 28553 3052 9 pressures pressure NNS 28553 3052 10 , , , 28553 3052 11 we -PRON- PRP 28553 3052 12 start start VBP 28553 3052 13 with with IN 28553 3052 14 the the DT 28553 3052 15 normal normal JJ 28553 3052 16 atmospheric atmospheric JJ 28553 3052 17 pressure pressure NN 28553 3052 18 as as IN 28553 3052 19 zero zero CD 28553 3052 20 , , , 28553 3052 21 and and CC 28553 3052 22 we -PRON- PRP 28553 3052 23 will will MD 28553 3052 24 here here RB 28553 3052 25 observe observe VB 28553 3052 26 the the DT 28553 3052 27 practice practice NN 28553 3052 28 . . . 28553 3053 1 [ [ -LRB- 28553 3053 2 Illustration illustration NN 28553 3053 3 : : : 28553 3053 4 FIG FIG NNP 28553 3053 5 . . . 28553 3054 1 158.--A 158.--A NNP 28553 3054 2 diving diving NNP 28553 3054 3 bell bell NNP 28553 3054 4 . . . 28553 3054 5 ] ] -RRB- 28553 3055 1 The the DT 28553 3055 2 diving diving JJ 28553 3055 3 - - HYPH 28553 3055 4 bell bell NN 28553 3055 5 is be VBZ 28553 3055 6 used use VBN 28553 3055 7 to to TO 28553 3055 8 enable enable VB 28553 3055 9 people people NNS 28553 3055 10 to to TO 28553 3055 11 work work VB 28553 3055 12 under under IN 28553 3055 13 water water NN 28553 3055 14 without without IN 28553 3055 15 having have VBG 28553 3055 16 recourse recourse JJ 28553 3055 17 to to IN 28553 3055 18 the the DT 28553 3055 19 diving diving NN 28553 3055 20 - - HYPH 28553 3055 21 dress dress NN 28553 3055 22 . . . 28553 3056 1 A a DT 28553 3056 2 sketch sketch NN 28553 3056 3 of of IN 28553 3056 4 an an DT 28553 3056 5 ordinary ordinary JJ 28553 3056 6 diving diving NN 28553 3056 7 - - HYPH 28553 3056 8 bell bell NN 28553 3056 9 is be VBZ 28553 3056 10 given give VBN 28553 3056 11 in in IN 28553 3056 12 Fig Fig NNP 28553 3056 13 . . . 28553 3057 1 158 158 CD 28553 3057 2 . . . 28553 3058 1 It -PRON- PRP 28553 3058 2 may may MD 28553 3058 3 be be VB 28553 3058 4 described describe VBN 28553 3058 5 as as IN 28553 3058 6 a a DT 28553 3058 7 square square JJ 28553 3058 8 iron iron NN 28553 3058 9 box box NN 28553 3058 10 without without IN 28553 3058 11 a a DT 28553 3058 12 bottom bottom NN 28553 3058 13 . . . 28553 3059 1 At at IN 28553 3059 2 the the DT 28553 3059 3 top top NN 28553 3059 4 are be VBP 28553 3059 5 links link NNS 28553 3059 6 by by IN 28553 3059 7 which which WDT 28553 3059 8 it -PRON- PRP 28553 3059 9 is be VBZ 28553 3059 10 attached attach VBN 28553 3059 11 to to IN 28553 3059 12 a a DT 28553 3059 13 lowering lower VBG 28553 3059 14 chain chain NN 28553 3059 15 , , , 28553 3059 16 and and CC 28553 3059 17 windows window NNS 28553 3059 18 , , , 28553 3059 19 protected protect VBN 28553 3059 20 by by IN 28553 3059 21 grids grid NNS 28553 3059 22 ; ; : 28553 3059 23 also also RB 28553 3059 24 a a DT 28553 3059 25 nozzle nozzle NN 28553 3059 26 for for IN 28553 3059 27 the the DT 28553 3059 28 air air NN 28553 3059 29 - - HYPH 28553 3059 30 tube tube NN 28553 3059 31 . . . 28553 3060 1 [ [ -LRB- 28553 3060 2 Illustration illustration NN 28553 3060 3 : : : 28553 3060 4 FIG FIG NNP 28553 3060 5 . . . 28553 3061 1 159 159 CD 28553 3061 2 . . . 28553 3061 3 ] ] -RRB- 28553 3062 1 A a DT 28553 3062 2 simple simple JJ 28553 3062 3 model model NN 28553 3062 4 bell bell NN 28553 3062 5 ( ( -LRB- 28553 3062 6 Fig fig NN 28553 3062 7 . . . 28553 3063 1 159 159 CD 28553 3063 2 ) ) -RRB- 28553 3063 3 is be VBZ 28553 3063 4 easily easily RB 28553 3063 5 made make VBN 28553 3063 6 out out IN 28553 3063 7 of of IN 28553 3063 8 a a DT 28553 3063 9 glass glass NN 28553 3063 10 tumbler tumbler NN 28553 3063 11 which which WDT 28553 3063 12 has have VBZ 28553 3063 13 had have VBN 28553 3063 14 a a DT 28553 3063 15 tap tap NN 28553 3063 16 fitted fit VBN 28553 3063 17 in in IN 28553 3063 18 a a DT 28553 3063 19 hole hole NN 28553 3063 20 drilled drill VBD 28553 3063 21 through through IN 28553 3063 22 the the DT 28553 3063 23 bottom bottom NN 28553 3063 24 . . . 28553 3064 1 We -PRON- PRP 28553 3064 2 turn turn VBP 28553 3064 3 off off RP 28553 3064 4 the the DT 28553 3064 5 tap tap NN 28553 3064 6 and and CC 28553 3064 7 plunge plunge VB 28553 3064 8 the the DT 28553 3064 9 glass glass NN 28553 3064 10 into into IN 28553 3064 11 a a DT 28553 3064 12 vessel vessel NN 28553 3064 13 of of IN 28553 3064 14 water water NN 28553 3064 15 . . . 28553 3065 1 The the DT 28553 3065 2 water water NN 28553 3065 3 rises rise VBZ 28553 3065 4 a a DT 28553 3065 5 certain certain JJ 28553 3065 6 way way NN 28553 3065 7 up up IN 28553 3065 8 the the DT 28553 3065 9 interior interior NN 28553 3065 10 , , , 28553 3065 11 until until IN 28553 3065 12 the the DT 28553 3065 13 air air NN 28553 3065 14 within within IN 28553 3065 15 has have VBZ 28553 3065 16 been be VBN 28553 3065 17 compressed compress VBN 28553 3065 18 to to IN 28553 3065 19 a a DT 28553 3065 20 pressure pressure NN 28553 3065 21 equal equal JJ 28553 3065 22 to to IN 28553 3065 23 that that DT 28553 3065 24 of of IN 28553 3065 25 the the DT 28553 3065 26 water water NN 28553 3065 27 at at IN 28553 3065 28 the the DT 28553 3065 29 level level NN 28553 3065 30 of of IN 28553 3065 31 the the DT 28553 3065 32 surface surface NN 28553 3065 33 inside inside RB 28553 3065 34 . . . 28553 3066 1 The the DT 28553 3066 2 further further JJ 28553 3066 3 the the DT 28553 3066 4 tumbler tumbler NN 28553 3066 5 is be VBZ 28553 3066 6 lowered lower VBN 28553 3066 7 , , , 28553 3066 8 the the DT 28553 3066 9 higher high JJR 28553 3066 10 does do VBZ 28553 3066 11 the the DT 28553 3066 12 water water NN 28553 3066 13 rise rise VB 28553 3066 14 inside inside IN 28553 3066 15 it -PRON- PRP 28553 3066 16 . . . 28553 3067 1 Evidently evidently RB 28553 3067 2 men man NNS 28553 3067 3 could could MD 28553 3067 4 not not RB 28553 3067 5 work work VB 28553 3067 6 in in IN 28553 3067 7 a a DT 28553 3067 8 diving diving JJ 28553 3067 9 - - HYPH 28553 3067 10 bell bell NN 28553 3067 11 which which WDT 28553 3067 12 is be VBZ 28553 3067 13 invaded invade VBN 28553 3067 14 thus thus RB 28553 3067 15 by by IN 28553 3067 16 water water NN 28553 3067 17 . . . 28553 3068 1 It -PRON- PRP 28553 3068 2 is be VBZ 28553 3068 3 imperative imperative JJ 28553 3068 4 to to TO 28553 3068 5 keep keep VB 28553 3068 6 the the DT 28553 3068 7 water water NN 28553 3068 8 at at IN 28553 3068 9 bay bay NNP 28553 3068 10 . . . 28553 3069 1 This this DT 28553 3069 2 we -PRON- PRP 28553 3069 3 can can MD 28553 3069 4 do do VB 28553 3069 5 by by IN 28553 3069 6 attaching attach VBG 28553 3069 7 a a DT 28553 3069 8 tube tube NN 28553 3069 9 to to IN 28553 3069 10 the the DT 28553 3069 11 tap tap NN 28553 3069 12 ( ( -LRB- 28553 3069 13 Fig fig NN 28553 3069 14 . . . 28553 3070 1 160 160 CD 28553 3070 2 ) ) -RRB- 28553 3070 3 and and CC 28553 3070 4 blowing blow VBG 28553 3070 5 into into IN 28553 3070 6 the the DT 28553 3070 7 tumbler tumbler NN 28553 3070 8 till till IN 28553 3070 9 the the DT 28553 3070 10 air air NN 28553 3070 11 - - HYPH 28553 3070 12 pressure pressure NN 28553 3070 13 exceeds exceed VBZ 28553 3070 14 that that DT 28553 3070 15 of of IN 28553 3070 16 the the DT 28553 3070 17 water water NN 28553 3070 18 , , , 28553 3070 19 which which WDT 28553 3070 20 is be VBZ 28553 3070 21 shown show VBN 28553 3070 22 by by IN 28553 3070 23 bubbles bubble NNS 28553 3070 24 rising rise VBG 28553 3070 25 to to IN 28553 3070 26 the the DT 28553 3070 27 surface surface NN 28553 3070 28 . . . 28553 3071 1 The the DT 28553 3071 2 diving diving JJ 28553 3071 3 - - HYPH 28553 3071 4 bell bell NN 28553 3071 5 therefore therefore RB 28553 3071 6 has have VBZ 28553 3071 7 attached attach VBN 28553 3071 8 to to IN 28553 3071 9 it -PRON- PRP 28553 3071 10 a a DT 28553 3071 11 hose hose NN 28553 3071 12 through through IN 28553 3071 13 which which WDT 28553 3071 14 air air NN 28553 3071 15 is be VBZ 28553 3071 16 forced force VBN 28553 3071 17 by by IN 28553 3071 18 pumps pump NNS 28553 3071 19 from from IN 28553 3071 20 the the DT 28553 3071 21 atmosphere atmosphere NN 28553 3071 22 above above IN 28553 3071 23 , , , 28553 3071 24 at at IN 28553 3071 25 a a DT 28553 3071 26 pressure pressure NN 28553 3071 27 sufficient sufficient JJ 28553 3071 28 to to TO 28553 3071 29 keep keep VB 28553 3071 30 the the DT 28553 3071 31 water water NN 28553 3071 32 out out IN 28553 3071 33 of of IN 28553 3071 34 the the DT 28553 3071 35 bell bell NN 28553 3071 36 . . . 28553 3072 1 This this DT 28553 3072 2 pumping pumping NN 28553 3072 3 of of IN 28553 3072 4 air air NN 28553 3072 5 also also RB 28553 3072 6 maintains maintain VBZ 28553 3072 7 a a DT 28553 3072 8 fresh fresh JJ 28553 3072 9 supply supply NN 28553 3072 10 of of IN 28553 3072 11 oxygen oxygen NN 28553 3072 12 for for IN 28553 3072 13 the the DT 28553 3072 14 workers worker NNS 28553 3072 15 . . . 28553 3073 1 [ [ -LRB- 28553 3073 2 Illustration illustration NN 28553 3073 3 : : : 28553 3073 4 FIG FIG NNP 28553 3073 5 . . . 28553 3074 1 160 160 CD 28553 3074 2 . . . 28553 3074 3 ] ] -RRB- 28553 3075 1 Inside inside IN 28553 3075 2 the the DT 28553 3075 3 bell bell NN 28553 3075 4 is be VBZ 28553 3075 5 tackle tackle NN 28553 3075 6 for for IN 28553 3075 7 grappling grapple VBG 28553 3075 8 any any DT 28553 3075 9 object object NN 28553 3075 10 that that WDT 28553 3075 11 has have VBZ 28553 3075 12 to to TO 28553 3075 13 be be VB 28553 3075 14 moved move VBN 28553 3075 15 , , , 28553 3075 16 such such JJ 28553 3075 17 as as IN 28553 3075 18 a a DT 28553 3075 19 heavy heavy JJ 28553 3075 20 stone stone NN 28553 3075 21 block block NN 28553 3075 22 . . . 28553 3076 1 The the DT 28553 3076 2 diving diving JJ 28553 3076 3 - - HYPH 28553 3076 4 bell bell NN 28553 3076 5 is be VBZ 28553 3076 6 used use VBN 28553 3076 7 mostly mostly RB 28553 3076 8 for for IN 28553 3076 9 laying lay VBG 28553 3076 10 submarine submarine NN 28553 3076 11 masonry masonry NN 28553 3076 12 . . . 28553 3077 1 " " `` 28553 3077 2 The the DT 28553 3077 3 bell bell NN 28553 3077 4 , , , 28553 3077 5 slung sling VBD 28553 3077 6 either either CC 28553 3077 7 from from IN 28553 3077 8 a a DT 28553 3077 9 crane crane NN 28553 3077 10 on on IN 28553 3077 11 the the DT 28553 3077 12 masonry masonry NN 28553 3077 13 already already RB 28553 3077 14 built build VBN 28553 3077 15 above above IN 28553 3077 16 sea sea NN 28553 3077 17 - - HYPH 28553 3077 18 level level NN 28553 3077 19 , , , 28553 3077 20 or or CC 28553 3077 21 from from IN 28553 3077 22 a a DT 28553 3077 23 specially specially RB 28553 3077 24 fitted fitted JJ 28553 3077 25 barge barge NN 28553 3077 26 , , , 28553 3077 27 comes come VBZ 28553 3077 28 into into IN 28553 3077 29 action action NN 28553 3077 30 . . . 28553 3078 1 The the DT 28553 3078 2 block block NN 28553 3078 3 is be VBZ 28553 3078 4 lowered lower VBN 28553 3078 5 by by IN 28553 3078 6 its -PRON- PRP$ 28553 3078 7 own own JJ 28553 3078 8 crane crane NN 28553 3078 9 on on RP 28553 3078 10 to to IN 28553 3078 11 the the DT 28553 3078 12 bottom bottom NN 28553 3078 13 . . . 28553 3079 1 The the DT 28553 3079 2 bell bell NN 28553 3079 3 descends descend VBZ 28553 3079 4 upon upon IN 28553 3079 5 it -PRON- PRP 28553 3079 6 , , , 28553 3079 7 and and CC 28553 3079 8 the the DT 28553 3079 9 crew crew NN 28553 3079 10 seize seize VBP 28553 3079 11 it -PRON- PRP 28553 3079 12 with with IN 28553 3079 13 tackle tackle NN 28553 3079 14 suspended suspend VBN 28553 3079 15 inside inside IN 28553 3079 16 the the DT 28553 3079 17 bell bell NN 28553 3079 18 . . . 28553 3080 1 Instructions instruction NNS 28553 3080 2 are be VBP 28553 3080 3 sent send VBN 28553 3080 4 up up RP 28553 3080 5 as as IN 28553 3080 6 to to IN 28553 3080 7 the the DT 28553 3080 8 direction direction NN 28553 3080 9 in in IN 28553 3080 10 which which WDT 28553 3080 11 the the DT 28553 3080 12 bell bell NN 28553 3080 13 should should MD 28553 3080 14 be be VB 28553 3080 15 moved move VBN 28553 3080 16 with with IN 28553 3080 17 its -PRON- PRP$ 28553 3080 18 burden burden NN 28553 3080 19 , , , 28553 3080 20 and and CC 28553 3080 21 as as RB 28553 3080 22 soon soon RB 28553 3080 23 as as IN 28553 3080 24 the the DT 28553 3080 25 exact exact JJ 28553 3080 26 spot spot NN 28553 3080 27 has have VBZ 28553 3080 28 been be VBN 28553 3080 29 reached reach VBN 28553 3080 30 the the DT 28553 3080 31 signal signal NN 28553 3080 32 for for IN 28553 3080 33 lowering lower VBG 28553 3080 34 is be VBZ 28553 3080 35 given give VBN 28553 3080 36 , , , 28553 3080 37 and and CC 28553 3080 38 the the DT 28553 3080 39 stone stone NN 28553 3080 40 settles settle VBZ 28553 3080 41 on on IN 28553 3080 42 to to IN 28553 3080 43 the the DT 28553 3080 44 cement cement NN 28553 3080 45 laid lay VBN 28553 3080 46 ready ready JJ 28553 3080 47 for for IN 28553 3080 48 it -PRON- PRP 28553 3080 49 . . . 28553 3081 1 " " `` 28553 3081 2 [ [ -LRB- 28553 3081 3 34 34 CD 28553 3081 4 ] ] -RRB- 28553 3081 5 For for IN 28553 3081 6 many many JJ 28553 3081 7 purposes purpose NNS 28553 3081 8 it -PRON- PRP 28553 3081 9 is be VBZ 28553 3081 10 necessary necessary JJ 28553 3081 11 that that IN 28553 3081 12 the the DT 28553 3081 13 worker worker NN 28553 3081 14 should should MD 28553 3081 15 have have VB 28553 3081 16 more more JJR 28553 3081 17 freedom freedom NN 28553 3081 18 of of IN 28553 3081 19 action action NN 28553 3081 20 than than IN 28553 3081 21 is be VBZ 28553 3081 22 possible possible JJ 28553 3081 23 when when WRB 28553 3081 24 he -PRON- PRP 28553 3081 25 is be VBZ 28553 3081 26 cooped coope VBN 28553 3081 27 up up RP 28553 3081 28 inside inside IN 28553 3081 29 an an DT 28553 3081 30 iron iron NN 28553 3081 31 box box NN 28553 3081 32 . . . 28553 3082 1 Hence hence RB 28553 3082 2 the the DT 28553 3082 3 invention invention NN 28553 3082 4 of of IN 28553 3082 5 the the DT 28553 3082 6 DIVING DIVING NNP 28553 3082 7 - - HYPH 28553 3082 8 DRESS DRESS NNP 28553 3082 9 , , , 28553 3082 10 which which WDT 28553 3082 11 consists consist VBZ 28553 3082 12 of of IN 28553 3082 13 two two CD 28553 3082 14 main main JJ 28553 3082 15 parts part NNS 28553 3082 16 , , , 28553 3082 17 the the DT 28553 3082 18 helmet helmet NN 28553 3082 19 and and CC 28553 3082 20 the the DT 28553 3082 21 dress dress NN 28553 3082 22 proper proper JJ 28553 3082 23 . . . 28553 3083 1 The the DT 28553 3083 2 helmet helmet NN 28553 3083 3 ( ( -LRB- 28553 3083 4 Fig fig NN 28553 3083 5 . . . 28553 3084 1 161 161 CD 28553 3084 2 ) ) -RRB- 28553 3084 3 is be VBZ 28553 3084 4 made make VBN 28553 3084 5 of of IN 28553 3084 6 copper copper NN 28553 3084 7 . . . 28553 3085 1 A a DT 28553 3085 2 breastplate breastplate NN 28553 3085 3 , , , 28553 3085 4 B b NN 28553 3085 5 , , , 28553 3085 6 shaped shape VBN 28553 3085 7 to to TO 28553 3085 8 fit fit VB 28553 3085 9 the the DT 28553 3085 10 shoulders shoulder NNS 28553 3085 11 , , , 28553 3085 12 has have VBZ 28553 3085 13 at at IN 28553 3085 14 the the DT 28553 3085 15 neck neck NN 28553 3085 16 a a DT 28553 3085 17 segmental segmental JJ 28553 3085 18 screw screw NN 28553 3085 19 bayonet bayonet NN 28553 3085 20 - - HYPH 28553 3085 21 joint joint NN 28553 3085 22 . . . 28553 3086 1 The the DT 28553 3086 2 headpiece headpiece NN 28553 3086 3 is be VBZ 28553 3086 4 fitted fit VBN 28553 3086 5 with with IN 28553 3086 6 a a DT 28553 3086 7 corresponding corresponding JJ 28553 3086 8 screw screw NN 28553 3086 9 , , , 28553 3086 10 which which WDT 28553 3086 11 can can MD 28553 3086 12 be be VB 28553 3086 13 attached attach VBN 28553 3086 14 or or CC 28553 3086 15 removed remove VBN 28553 3086 16 by by IN 28553 3086 17 one one CD 28553 3086 18 - - HYPH 28553 3086 19 eighth eighth NN 28553 3086 20 of of IN 28553 3086 21 a a DT 28553 3086 22 turn turn NN 28553 3086 23 . . . 28553 3087 1 The the DT 28553 3087 2 neck neck NN 28553 3087 3 edge edge NN 28553 3087 4 of of IN 28553 3087 5 the the DT 28553 3087 6 dress dress NN 28553 3087 7 , , , 28553 3087 8 which which WDT 28553 3087 9 is be VBZ 28553 3087 10 made make VBN 28553 3087 11 in in IN 28553 3087 12 one one CD 28553 3087 13 piece piece NN 28553 3087 14 , , , 28553 3087 15 legs leg NNS 28553 3087 16 , , , 28553 3087 17 arms arm NNS 28553 3087 18 , , , 28553 3087 19 body body NN 28553 3087 20 and and CC 28553 3087 21 all all DT 28553 3087 22 , , , 28553 3087 23 is be VBZ 28553 3087 24 attached attach VBN 28553 3087 25 to to IN 28553 3087 26 the the DT 28553 3087 27 breastplate breastplate NN 28553 3087 28 by by IN 28553 3087 29 means mean NNS 28553 3087 30 of of IN 28553 3087 31 the the DT 28553 3087 32 plate plate NN 28553 3087 33 P^1 P^1 NNP 28553 3087 34 , , , 28553 3087 35 screwed screw VBD 28553 3087 36 down down RP 28553 3087 37 tightly tightly RB 28553 3087 38 on on IN 28553 3087 39 it -PRON- PRP 28553 3087 40 by by IN 28553 3087 41 the the DT 28553 3087 42 wing wing NN 28553 3087 43 - - HYPH 28553 3087 44 nuts nut NNS 28553 3087 45 N N NNP 28553 3087 46 N N NNP 28553 3087 47 , , , 28553 3087 48 the the DT 28553 3087 49 bolts bolt NNS 28553 3087 50 of of IN 28553 3087 51 which which WDT 28553 3087 52 pass pass VBP 28553 3087 53 through through IN 28553 3087 54 the the DT 28553 3087 55 breastplate breastplate NN 28553 3087 56 . . . 28553 3088 1 Air air NN 28553 3088 2 enters enter VBZ 28553 3088 3 the the DT 28553 3088 4 helmet helmet NN 28553 3088 5 through through IN 28553 3088 6 a a DT 28553 3088 7 valve valve NN 28553 3088 8 situated situate VBN 28553 3088 9 at at IN 28553 3088 10 the the DT 28553 3088 11 back back NN 28553 3088 12 , , , 28553 3088 13 and and CC 28553 3088 14 is be VBZ 28553 3088 15 led lead VBN 28553 3088 16 through through IN 28553 3088 17 tubes tube NNS 28553 3088 18 along along IN 28553 3088 19 the the DT 28553 3088 20 inside inside NN 28553 3088 21 to to IN 28553 3088 22 the the DT 28553 3088 23 front front NN 28553 3088 24 . . . 28553 3089 1 This this DT 28553 3089 2 valve valve NN 28553 3089 3 closes close VBZ 28553 3089 4 automatically automatically RB 28553 3089 5 if if IN 28553 3089 6 any any DT 28553 3089 7 accident accident NN 28553 3089 8 cuts cut VBZ 28553 3089 9 off off RP 28553 3089 10 the the DT 28553 3089 11 air air NN 28553 3089 12 supply supply NN 28553 3089 13 , , , 28553 3089 14 and and CC 28553 3089 15 encloses enclose VBZ 28553 3089 16 sufficient sufficient JJ 28553 3089 17 air air NN 28553 3089 18 in in IN 28553 3089 19 the the DT 28553 3089 20 dress dress NN 28553 3089 21 to to TO 28553 3089 22 allow allow VB 28553 3089 23 the the DT 28553 3089 24 diver diver NN 28553 3089 25 to to TO 28553 3089 26 regain regain VB 28553 3089 27 the the DT 28553 3089 28 surface surface NN 28553 3089 29 . . . 28553 3090 1 The the DT 28553 3090 2 outlet outlet NN 28553 3090 3 valve valve NN 28553 3090 4 O o NN 28553 3090 5 V v NN 28553 3090 6 can can MD 28553 3090 7 be be VB 28553 3090 8 adjusted adjust VBN 28553 3090 9 by by IN 28553 3090 10 the the DT 28553 3090 11 diver diver NN 28553 3090 12 to to TO 28553 3090 13 maintain maintain VB 28553 3090 14 any any DT 28553 3090 15 pressure pressure NN 28553 3090 16 . . . 28553 3091 1 At at IN 28553 3091 2 the the DT 28553 3091 3 sides side NNS 28553 3091 4 of of IN 28553 3091 5 the the DT 28553 3091 6 headpiece headpiece NN 28553 3091 7 are be VBP 28553 3091 8 two two CD 28553 3091 9 hooks hook NNS 28553 3091 10 , , , 28553 3091 11 H h NN 28553 3091 12 , , , 28553 3091 13 over over IN 28553 3091 14 which which WDT 28553 3091 15 pass pass VBP 28553 3091 16 the the DT 28553 3091 17 cords cord NNS 28553 3091 18 connecting connect VBG 28553 3091 19 the the DT 28553 3091 20 heavy heavy JJ 28553 3091 21 lead lead NN 28553 3091 22 weights weight NNS 28553 3091 23 of of IN 28553 3091 24 40 40 CD 28553 3091 25 lbs lb NNS 28553 3091 26 . . . 28553 3092 1 each each DT 28553 3092 2 hanging hang VBG 28553 3092 3 on on IN 28553 3092 4 the the DT 28553 3092 5 diver diver NN 28553 3092 6 's 's POS 28553 3092 7 breast breast NN 28553 3092 8 and and CC 28553 3092 9 back back RB 28553 3092 10 . . . 28553 3093 1 These these DT 28553 3093 2 weights weight NNS 28553 3093 3 are be VBP 28553 3093 4 also also RB 28553 3093 5 attached attach VBN 28553 3093 6 to to IN 28553 3093 7 the the DT 28553 3093 8 knobs knobs NNP 28553 3093 9 K K NNP 28553 3093 10 K. K. NNP 28553 3093 11 A a DT 28553 3093 12 pair pair NN 28553 3093 13 of of IN 28553 3093 14 boots boot NNS 28553 3093 15 , , , 28553 3093 16 having have VBG 28553 3093 17 17 17 CD 28553 3093 18 lbs lb NNS 28553 3093 19 . . . 28553 3094 1 of of IN 28553 3094 2 lead lead NN 28553 3094 3 each each DT 28553 3094 4 in in IN 28553 3094 5 the the DT 28553 3094 6 soles sol NNS 28553 3094 7 , , , 28553 3094 8 complete complete VB 28553 3094 9 the the DT 28553 3094 10 dress dress NN 28553 3094 11 . . . 28553 3095 1 Three three CD 28553 3095 2 glazed glaze VBN 28553 3095 3 windows window NNS 28553 3095 4 are be VBP 28553 3095 5 placed place VBN 28553 3095 6 in in IN 28553 3095 7 the the DT 28553 3095 8 headpiece headpiece NN 28553 3095 9 , , , 28553 3095 10 that that IN 28553 3095 11 in in IN 28553 3095 12 the the DT 28553 3095 13 front front NN 28553 3095 14 , , , 28553 3095 15 R R NNP 28553 3095 16 W W NNP 28553 3095 17 , , , 28553 3095 18 being be VBG 28553 3095 19 removable removable JJ 28553 3095 20 , , , 28553 3095 21 so so IN 28553 3095 22 that that IN 28553 3095 23 the the DT 28553 3095 24 diver diver NN 28553 3095 25 may may MD 28553 3095 26 gain gain VB 28553 3095 27 free free JJ 28553 3095 28 access access NN 28553 3095 29 to to IN 28553 3095 30 the the DT 28553 3095 31 air air NN 28553 3095 32 when when WRB 28553 3095 33 he -PRON- PRP 28553 3095 34 is be VBZ 28553 3095 35 above above IN 28553 3095 36 water water NN 28553 3095 37 without without IN 28553 3095 38 being be VBG 28553 3095 39 obliged oblige VBN 28553 3095 40 to to TO 28553 3095 41 take take VB 28553 3095 42 off off RP 28553 3095 43 the the DT 28553 3095 44 helmet helmet NN 28553 3095 45 . . . 28553 3096 1 [ [ -LRB- 28553 3096 2 Illustration illustration NN 28553 3096 3 : : : 28553 3096 4 FIG FIG NNP 28553 3096 5 . . . 28553 3097 1 161.--A 161.--A NNP 28553 3097 2 diver diver NNP 28553 3097 3 's 's POS 28553 3097 4 helmet helmet NN 28553 3097 5 . . . 28553 3097 6 ] ] -RRB- 28553 3098 1 By by IN 28553 3098 2 means mean NNS 28553 3098 3 of of IN 28553 3098 4 telephone telephone NN 28553 3098 5 wires wire NNS 28553 3098 6 built build VBN 28553 3098 7 into into IN 28553 3098 8 the the DT 28553 3098 9 life life NN 28553 3098 10 - - HYPH 28553 3098 11 line line NN 28553 3098 12 ( ( -LRB- 28553 3098 13 which which WDT 28553 3098 14 passes pass VBZ 28553 3098 15 under under IN 28553 3098 16 the the DT 28553 3098 17 diver diver NN 28553 3098 18 's 's POS 28553 3098 19 arms arm NNS 28553 3098 20 and and CC 28553 3098 21 is be VBZ 28553 3098 22 used use VBN 28553 3098 23 for for IN 28553 3098 24 lowering lower VBG 28553 3098 25 and and CC 28553 3098 26 hoisting hoist VBG 28553 3098 27 ) ) -RRB- 28553 3098 28 easy easy JJ 28553 3098 29 communication communication NN 28553 3098 30 is be VBZ 28553 3098 31 established establish VBN 28553 3098 32 between between IN 28553 3098 33 the the DT 28553 3098 34 diver diver NN 28553 3098 35 and and CC 28553 3098 36 his -PRON- PRP$ 28553 3098 37 attendants attendant NNS 28553 3098 38 above above RB 28553 3098 39 . . . 28553 3099 1 The the DT 28553 3099 2 transmitter transmitter NN 28553 3099 3 of of IN 28553 3099 4 the the DT 28553 3099 5 telephone telephone NN 28553 3099 6 is be VBZ 28553 3099 7 placed place VBN 28553 3099 8 inside inside IN 28553 3099 9 the the DT 28553 3099 10 helmet helmet NN 28553 3099 11 between between IN 28553 3099 12 the the DT 28553 3099 13 front front NN 28553 3099 14 and and CC 28553 3099 15 a a DT 28553 3099 16 side side NN 28553 3099 17 window window NN 28553 3099 18 , , , 28553 3099 19 the the DT 28553 3099 20 receiver receiver NN 28553 3099 21 and and CC 28553 3099 22 the the DT 28553 3099 23 button button NN 28553 3099 24 of of IN 28553 3099 25 an an DT 28553 3099 26 electric electric JJ 28553 3099 27 bell bell NN 28553 3099 28 in in IN 28553 3099 29 the the DT 28553 3099 30 crown crown NN 28553 3099 31 . . . 28553 3100 1 This this DT 28553 3100 2 last last JJ 28553 3100 3 he -PRON- PRP 28553 3100 4 can can MD 28553 3100 5 press press VB 28553 3100 6 by by IN 28553 3100 7 raising raise VBG 28553 3100 8 his -PRON- PRP$ 28553 3100 9 head head NN 28553 3100 10 . . . 28553 3101 1 The the DT 28553 3101 2 life life NN 28553 3101 3 - - HYPH 28553 3101 4 line line NN 28553 3101 5 sometimes sometimes RB 28553 3101 6 also also RB 28553 3101 7 includes include VBZ 28553 3101 8 the the DT 28553 3101 9 wires wire NNS 28553 3101 10 for for IN 28553 3101 11 an an DT 28553 3101 12 electric electric JJ 28553 3101 13 lamp lamp NN 28553 3101 14 ( ( -LRB- 28553 3101 15 Fig fig NN 28553 3101 16 . . . 28553 3102 1 162 162 LS 28553 3102 2 ) ) -RRB- 28553 3102 3 used use VBN 28553 3102 4 by by IN 28553 3102 5 the the DT 28553 3102 6 diver diver NN 28553 3102 7 at at IN 28553 3102 8 depths depth NNS 28553 3102 9 to to TO 28553 3102 10 which which WDT 28553 3102 11 daylight daylight NN 28553 3102 12 can can MD 28553 3102 13 not not RB 28553 3102 14 penetrate penetrate VB 28553 3102 15 . . . 28553 3103 1 The the DT 28553 3103 2 pressure pressure NN 28553 3103 3 on on IN 28553 3103 4 a a DT 28553 3103 5 diver diver NN 28553 3103 6 's 's POS 28553 3103 7 body body NN 28553 3103 8 increases increase NNS 28553 3103 9 in in IN 28553 3103 10 the the DT 28553 3103 11 ratio ratio NN 28553 3103 12 of of IN 28553 3103 13 4 4 CD 28553 3103 14 - - SYM 28553 3103 15 1/3 1/3 CD 28553 3103 16 lbs lbs NN 28553 3103 17 . . . 28553 3104 1 per per IN 28553 3104 2 square square JJ 28553 3104 3 inch inch NN 28553 3104 4 for for IN 28553 3104 5 every every DT 28553 3104 6 10 10 CD 28553 3104 7 feet foot NNS 28553 3104 8 that that IN 28553 3104 9 he -PRON- PRP 28553 3104 10 descends descend VBZ 28553 3104 11 . . . 28553 3105 1 The the DT 28553 3105 2 ordinary ordinary JJ 28553 3105 3 working work VBG 28553 3105 4 limit limit NN 28553 3105 5 is be VBZ 28553 3105 6 about about IN 28553 3105 7 150 150 CD 28553 3105 8 feet foot NNS 28553 3105 9 , , , 28553 3105 10 though though IN 28553 3105 11 " " `` 28553 3105 12 old old JJ 28553 3105 13 hands hand NNS 28553 3105 14 " " '' 28553 3105 15 are be VBP 28553 3105 16 able able JJ 28553 3105 17 to to TO 28553 3105 18 stand stand VB 28553 3105 19 greater great JJR 28553 3105 20 pressures pressure NNS 28553 3105 21 . . . 28553 3106 1 The the DT 28553 3106 2 record record NN 28553 3106 3 is be VBZ 28553 3106 4 held hold VBN 28553 3106 5 by by IN 28553 3106 6 one one CD 28553 3106 7 James James NNP 28553 3106 8 Hooper Hooper NNP 28553 3106 9 , , , 28553 3106 10 who who WP 28553 3106 11 , , , 28553 3106 12 when when WRB 28553 3106 13 removing remove VBG 28553 3106 14 the the DT 28553 3106 15 cargo cargo NN 28553 3106 16 of of IN 28553 3106 17 the the DT 28553 3106 18 _ _ NNP 28553 3106 19 Cape Cape NNP 28553 3106 20 Horn Horn NNP 28553 3106 21 _ _ NNP 28553 3106 22 sunk sink VBD 28553 3106 23 off off IN 28553 3106 24 the the DT 28553 3106 25 South south JJ 28553 3106 26 American american JJ 28553 3106 27 coast coast NN 28553 3106 28 , , , 28553 3106 29 made make VBD 28553 3106 30 seven seven CD 28553 3106 31 descents descent NNS 28553 3106 32 of of IN 28553 3106 33 201 201 CD 28553 3106 34 feet foot NNS 28553 3106 35 , , , 28553 3106 36 one one CD 28553 3106 37 of of IN 28553 3106 38 which which WDT 28553 3106 39 lasted last VBD 28553 3106 40 for for IN 28553 3106 41 forty forty CD 28553 3106 42 - - HYPH 28553 3106 43 two two CD 28553 3106 44 minutes minute NNS 28553 3106 45 . . . 28553 3107 1 [ [ -LRB- 28553 3107 2 Illustration illustration NN 28553 3107 3 : : : 28553 3107 4 FIG FIG NNP 28553 3107 5 . . . 28553 3108 1 162.--Diver 162.--diver CD 28553 3108 2 's 's POS 28553 3108 3 electric electric JJ 28553 3108 4 lamp lamp NN 28553 3108 5 . . . 28553 3108 6 ] ] -RRB- 28553 3109 1 A a DT 28553 3109 2 sketch sketch NN 28553 3109 3 is be VBZ 28553 3109 4 given give VBN 28553 3109 5 ( ( -LRB- 28553 3109 6 Fig fig NN 28553 3109 7 . . . 28553 3110 1 163 163 CD 28553 3110 2 ) ) -RRB- 28553 3110 3 of of IN 28553 3110 4 divers diver NNS 28553 3110 5 working work VBG 28553 3110 6 below below IN 28553 3110 7 water water NN 28553 3110 8 with with IN 28553 3110 9 pneumatic pneumatic JJ 28553 3110 10 tools tool NNS 28553 3110 11 , , , 28553 3110 12 fed feed VBN 28553 3110 13 from from IN 28553 3110 14 above above RB 28553 3110 15 with with IN 28553 3110 16 high high JJ 28553 3110 17 - - HYPH 28553 3110 18 pressure pressure NN 28553 3110 19 air air NN 28553 3110 20 . . . 28553 3111 1 Owing owe VBG 28553 3111 2 to to IN 28553 3111 3 his -PRON- PRP$ 28553 3111 4 buoyancy buoyancy NN 28553 3111 5 a a DT 28553 3111 6 diver diver NN 28553 3111 7 has have VBZ 28553 3111 8 little little RB 28553 3111 9 depressing depressing JJ 28553 3111 10 or or CC 28553 3111 11 pushing push VBG 28553 3111 12 power power NN 28553 3111 13 , , , 28553 3111 14 and and CC 28553 3111 15 he -PRON- PRP 28553 3111 16 can can MD 28553 3111 17 not not RB 28553 3111 18 bore bore VB 28553 3111 19 a a DT 28553 3111 20 hole hole NN 28553 3111 21 in in IN 28553 3111 22 a a DT 28553 3111 23 post post NN 28553 3111 24 with with IN 28553 3111 25 an an DT 28553 3111 26 auger auger NN 28553 3111 27 unless unless IN 28553 3111 28 he -PRON- PRP 28553 3111 29 is be VBZ 28553 3111 30 able able JJ 28553 3111 31 to to TO 28553 3111 32 rest rest VB 28553 3111 33 his -PRON- PRP$ 28553 3111 34 back back NN 28553 3111 35 against against IN 28553 3111 36 some some DT 28553 3111 37 firm firm JJ 28553 3111 38 object object NN 28553 3111 39 , , , 28553 3111 40 or or CC 28553 3111 41 is be VBZ 28553 3111 42 roped rope VBN 28553 3111 43 to to IN 28553 3111 44 the the DT 28553 3111 45 post post NN 28553 3111 46 . . . 28553 3112 1 Pneumatic pneumatic JJ 28553 3112 2 chipping chipping NN 28553 3112 3 tools tool NNS 28553 3112 4 merely merely RB 28553 3112 5 require require VBP 28553 3112 6 holding hold VBG 28553 3112 7 to to IN 28553 3112 8 their -PRON- PRP$ 28553 3112 9 work work NN 28553 3112 10 , , , 28553 3112 11 their -PRON- PRP$ 28553 3112 12 weight weight NN 28553 3112 13 offering offer VBG 28553 3112 14 sufficient sufficient JJ 28553 3112 15 resistance resistance NN 28553 3112 16 to to IN 28553 3112 17 the the DT 28553 3112 18 very very RB 28553 3112 19 rapid rapid JJ 28553 3112 20 blows blow NNS 28553 3112 21 which which WDT 28553 3112 22 they -PRON- PRP 28553 3112 23 make make VBP 28553 3112 24 . . . 28553 3113 1 [ [ -LRB- 28553 3113 2 Illustration illustration NN 28553 3113 3 : : : 28553 3113 4 FIG FIG NNP 28553 3113 5 . . . 28553 3114 1 163.--Divers 163.--divers CD 28553 3114 2 at at IN 28553 3114 3 work work NN 28553 3114 4 below below IN 28553 3114 5 water water NN 28553 3114 6 with with IN 28553 3114 7 pneumatic pneumatic JJ 28553 3114 8 tools tool NNS 28553 3114 9 . . . 28553 3114 10 ] ] -RRB- 28553 3115 1 AIR AIR NNP 28553 3115 2 - - HYPH 28553 3115 3 PUMPS PUMPS NNP 28553 3115 4 . . . 28553 3116 1 [ [ -LRB- 28553 3116 2 Illustration illustration NN 28553 3116 3 : : : 28553 3116 4 FIG FIG NNP 28553 3116 5 . . . 28553 3117 1 164 164 CD 28553 3117 2 . . . 28553 3117 3 ] ] -RRB- 28553 3118 1 [ [ -LRB- 28553 3118 2 Illustration illustration NN 28553 3118 3 : : : 28553 3118 4 FIG FIG NNP 28553 3118 5 . . . 28553 3119 1 165 165 CD 28553 3119 2 . . . 28553 3119 3 ] ] -RRB- 28553 3120 1 Mention mention NN 28553 3120 2 having have VBG 28553 3120 3 been be VBN 28553 3120 4 made make VBN 28553 3120 5 of of IN 28553 3120 6 the the DT 28553 3120 7 air air NN 28553 3120 8 - - HYPH 28553 3120 9 pump pump NN 28553 3120 10 , , , 28553 3120 11 we -PRON- PRP 28553 3120 12 append append VBP 28553 3120 13 diagrams diagram NNS 28553 3120 14 ( ( -LRB- 28553 3120 15 Figs fig NNS 28553 3120 16 . . . 28553 3121 1 164 164 CD 28553 3121 2 , , , 28553 3121 3 165 165 CD 28553 3121 4 ) ) -RRB- 28553 3121 5 of of IN 28553 3121 6 the the DT 28553 3121 7 simplest simple JJS 28553 3121 8 form form NN 28553 3121 9 of of IN 28553 3121 10 air air NN 28553 3121 11 - - HYPH 28553 3121 12 pump pump NN 28553 3121 13 , , , 28553 3121 14 the the DT 28553 3121 15 cycle cycle NN 28553 3121 16 tyre tyre NNP 28553 3121 17 inflator inflator NN 28553 3121 18 . . . 28553 3122 1 The the DT 28553 3122 2 piston piston NN 28553 3122 3 is be VBZ 28553 3122 4 composed compose VBN 28553 3122 5 of of IN 28553 3122 6 two two CD 28553 3122 7 circular circular JJ 28553 3122 8 plates plate NNS 28553 3122 9 of of IN 28553 3122 10 smaller small JJR 28553 3122 11 diameter diameter NN 28553 3122 12 than than IN 28553 3122 13 the the DT 28553 3122 14 barrel barrel NN 28553 3122 15 , , , 28553 3122 16 holding hold VBG 28553 3122 17 between between IN 28553 3122 18 them -PRON- PRP 28553 3122 19 a a DT 28553 3122 20 cup cup NN 28553 3122 21 leather leather NN 28553 3122 22 . . . 28553 3123 1 During during IN 28553 3123 2 the the DT 28553 3123 3 upstroke upstroke JJ 28553 3123 4 the the DT 28553 3123 5 cup cup NN 28553 3123 6 collapses collapse VBZ 28553 3123 7 inwards inward NNS 28553 3123 8 and and CC 28553 3123 9 allows allow VBZ 28553 3123 10 air air NN 28553 3123 11 to to TO 28553 3123 12 pass pass VB 28553 3123 13 by by IN 28553 3123 14 it -PRON- PRP 28553 3123 15 . . . 28553 3124 1 On on IN 28553 3124 2 the the DT 28553 3124 3 downstroke downstroke NN 28553 3124 4 ( ( -LRB- 28553 3124 5 Fig fig NN 28553 3124 6 . . . 28553 3125 1 165 165 LS 28553 3125 2 ) ) -RRB- 28553 3125 3 the the DT 28553 3125 4 edges edge NNS 28553 3125 5 of of IN 28553 3125 6 the the DT 28553 3125 7 cup cup NN 28553 3125 8 expand expand NN 28553 3125 9 against against IN 28553 3125 10 the the DT 28553 3125 11 barrel barrel NN 28553 3125 12 , , , 28553 3125 13 preventing prevent VBG 28553 3125 14 the the DT 28553 3125 15 passage passage NN 28553 3125 16 of of IN 28553 3125 17 air air NN 28553 3125 18 round round IN 28553 3125 19 the the DT 28553 3125 20 piston piston NN 28553 3125 21 . . . 28553 3126 1 A a DT 28553 3126 2 double double JJ 28553 3126 3 - - HYPH 28553 3126 4 action action NN 28553 3126 5 air air NN 28553 3126 6 - - HYPH 28553 3126 7 pump pump NN 28553 3126 8 requires require VBZ 28553 3126 9 a a DT 28553 3126 10 long long JJ 28553 3126 11 , , , 28553 3126 12 well well RB 28553 3126 13 - - HYPH 28553 3126 14 fitting fit VBG 28553 3126 15 piston piston NN 28553 3126 16 with with IN 28553 3126 17 a a DT 28553 3126 18 cup cup NN 28553 3126 19 on on IN 28553 3126 20 each each DT 28553 3126 21 side side NN 28553 3126 22 of of IN 28553 3126 23 it -PRON- PRP 28553 3126 24 , , , 28553 3126 25 and and CC 28553 3126 26 the the DT 28553 3126 27 addition addition NN 28553 3126 28 of of IN 28553 3126 29 extra extra JJ 28553 3126 30 valves valve NNS 28553 3126 31 to to IN 28553 3126 32 the the DT 28553 3126 33 barrel barrel NN 28553 3126 34 , , , 28553 3126 35 as as IN 28553 3126 36 the the DT 28553 3126 37 cups cup NNS 28553 3126 38 under under IN 28553 3126 39 these these DT 28553 3126 40 circumstances circumstance NNS 28553 3126 41 can can MD 28553 3126 42 not not RB 28553 3126 43 act act VB 28553 3126 44 as as IN 28553 3126 45 valves valve NNS 28553 3126 46 . . . 28553 3127 1 PNEUMATIC pneumatic JJ 28553 3127 2 TYRES TYRES NNP 28553 3127 3 . . . 28553 3128 1 [ [ -LRB- 28553 3128 2 Illustration illustration NN 28553 3128 3 : : : 28553 3128 4 FIG FIG NNP 28553 3128 5 . . . 28553 3129 1 166 166 CD 28553 3129 2 . . . 28553 3129 3 ] ] -RRB- 28553 3130 1 [ [ -LRB- 28553 3130 2 Illustration illustration NN 28553 3130 3 : : : 28553 3130 4 FIG FIG NNP 28553 3130 5 . . . 28553 3131 1 167 167 CD 28553 3131 2 . . . 28553 3131 3 ] ] -RRB- 28553 3132 1 The the DT 28553 3132 2 action action NN 28553 3132 3 of of IN 28553 3132 4 the the DT 28553 3132 5 pneumatic pneumatic JJ 28553 3132 6 tyre tyre NN 28553 3132 7 in in IN 28553 3132 8 reducing reduce VBG 28553 3132 9 vibration vibration NN 28553 3132 10 and and CC 28553 3132 11 increasing increase VBG 28553 3132 12 the the DT 28553 3132 13 speed speed NN 28553 3132 14 of of IN 28553 3132 15 a a DT 28553 3132 16 vehicle vehicle NN 28553 3132 17 is be VBZ 28553 3132 18 explained explain VBN 28553 3132 19 by by IN 28553 3132 20 Figs fig NNS 28553 3132 21 . . . 28553 3133 1 166 166 CD 28553 3133 2 , , , 28553 3133 3 167 167 CD 28553 3133 4 . . . 28553 3134 1 When when WRB 28553 3134 2 the the DT 28553 3134 3 tyre tyre NN 28553 3134 4 encounters encounter VBZ 28553 3134 5 an an DT 28553 3134 6 obstacle obstacle NN 28553 3134 7 , , , 28553 3134 8 such such JJ 28553 3134 9 as as IN 28553 3134 10 a a DT 28553 3134 11 large large JJ 28553 3134 12 stone stone NN 28553 3134 13 , , , 28553 3134 14 it -PRON- PRP 28553 3134 15 laps lap VBZ 28553 3134 16 over over IN 28553 3134 17 it -PRON- PRP 28553 3134 18 ( ( -LRB- 28553 3134 19 Fig fig NN 28553 3134 20 . . . 28553 3135 1 166 166 CD 28553 3135 2 ) ) -RRB- 28553 3135 3 , , , 28553 3135 4 and and CC 28553 3135 5 while while IN 28553 3135 6 supporting support VBG 28553 3135 7 the the DT 28553 3135 8 weight weight NN 28553 3135 9 on on IN 28553 3135 10 the the DT 28553 3135 11 wheel wheel NN 28553 3135 12 , , , 28553 3135 13 reduces reduce VBZ 28553 3135 14 the the DT 28553 3135 15 deflection deflection NN 28553 3135 16 of of IN 28553 3135 17 the the DT 28553 3135 18 direction direction NN 28553 3135 19 of of IN 28553 3135 20 movement movement NN 28553 3135 21 . . . 28553 3136 1 When when WRB 28553 3136 2 an an DT 28553 3136 3 iron iron NN 28553 3136 4 - - HYPH 28553 3136 5 tyred tyre VBN 28553 3136 6 wheel wheel NN 28553 3136 7 meets meet VBZ 28553 3136 8 a a DT 28553 3136 9 similar similar JJ 28553 3136 10 obstacle obstacle NN 28553 3136 11 it -PRON- PRP 28553 3136 12 has have VBZ 28553 3136 13 to to TO 28553 3136 14 rise rise VB 28553 3136 15 right right RB 28553 3136 16 over over IN 28553 3136 17 it -PRON- PRP 28553 3136 18 , , , 28553 3136 19 often often RB 28553 3136 20 jumping jump VBG 28553 3136 21 a a DT 28553 3136 22 considerable considerable JJ 28553 3136 23 distance distance NN 28553 3136 24 into into IN 28553 3136 25 the the DT 28553 3136 26 air air NN 28553 3136 27 . . . 28553 3137 1 The the DT 28553 3137 2 resultant resultant JJ 28553 3137 3 motions motion NNS 28553 3137 4 of of IN 28553 3137 5 the the DT 28553 3137 6 wheel wheel NN 28553 3137 7 are be VBP 28553 3137 8 indicated indicate VBN 28553 3137 9 in in IN 28553 3137 10 each each DT 28553 3137 11 case case NN 28553 3137 12 by by IN 28553 3137 13 an an DT 28553 3137 14 arrow arrow NN 28553 3137 15 . . . 28553 3138 1 Every every DT 28553 3138 2 change change NN 28553 3138 3 of of IN 28553 3138 4 direction direction NN 28553 3138 5 means mean VBZ 28553 3138 6 a a DT 28553 3138 7 loss loss NN 28553 3138 8 of of IN 28553 3138 9 forward forward JJ 28553 3138 10 velocity velocity NN 28553 3138 11 , , , 28553 3138 12 the the DT 28553 3138 13 loss loss NN 28553 3138 14 increasing increase VBG 28553 3138 15 with with IN 28553 3138 16 the the DT 28553 3138 17 violence violence NN 28553 3138 18 and and CC 28553 3138 19 extent extent NN 28553 3138 20 of of IN 28553 3138 21 the the DT 28553 3138 22 change change NN 28553 3138 23 . . . 28553 3139 1 The the DT 28553 3139 2 pneumatic pneumatic JJ 28553 3139 3 tyre tyre NN 28553 3139 4 also also RB 28553 3139 5 scores score VBZ 28553 3139 6 because because IN 28553 3139 7 , , , 28553 3139 8 on on IN 28553 3139 9 account account NN 28553 3139 10 of of IN 28553 3139 11 its -PRON- PRP$ 28553 3139 12 elasticity elasticity NN 28553 3139 13 , , , 28553 3139 14 it -PRON- PRP 28553 3139 15 gives give VBZ 28553 3139 16 a a DT 28553 3139 17 " " `` 28553 3139 18 kick kick VB 28553 3139 19 off off RP 28553 3139 20 " " '' 28553 3139 21 against against IN 28553 3139 22 the the DT 28553 3139 23 obstacle obstacle NN 28553 3139 24 , , , 28553 3139 25 which which WDT 28553 3139 26 compensates compensate VBZ 28553 3139 27 for for IN 28553 3139 28 the the DT 28553 3139 29 resistance resistance NN 28553 3139 30 during during IN 28553 3139 31 compression compression NN 28553 3139 32 . . . 28553 3140 1 [ [ -LRB- 28553 3140 2 Illustration illustration NN 28553 3140 3 : : : 28553 3140 4 FIG FIG NNP 28553 3140 5 . . . 28553 3141 1 168.--Section 168.--section CD 28553 3141 2 of of IN 28553 3141 3 the the DT 28553 3141 4 mechanism mechanism NN 28553 3141 5 of of IN 28553 3141 6 an an DT 28553 3141 7 air air NN 28553 3141 8 - - HYPH 28553 3141 9 gun gun NN 28553 3141 10 . . . 28553 3141 11 ] ] -RRB- 28553 3142 1 THE the DT 28553 3142 2 AIR AIR NNP 28553 3142 3 - - HYPH 28553 3142 4 GUN GUN NNP 28553 3142 5 . . . 28553 3143 1 This this DT 28553 3143 2 may may MD 28553 3143 3 be be VB 28553 3143 4 described describe VBN 28553 3143 5 as as IN 28553 3143 6 a a DT 28553 3143 7 valveless valveless NN 28553 3143 8 air air NN 28553 3143 9 - - HYPH 28553 3143 10 pump pump NN 28553 3143 11 . . . 28553 3144 1 Fig fig NN 28553 3144 2 . . . 28553 3145 1 168 168 CD 28553 3145 2 is be VBZ 28553 3145 3 a a DT 28553 3145 4 section section NN 28553 3145 5 of of IN 28553 3145 6 a a DT 28553 3145 7 " " `` 28553 3145 8 Gem Gem NNP 28553 3145 9 " " '' 28553 3145 10 air air NN 28553 3145 11 - - HYPH 28553 3145 12 gun gun NN 28553 3145 13 , , , 28553 3145 14 with with IN 28553 3145 15 the the DT 28553 3145 16 mechanism mechanism NN 28553 3145 17 set set VBN 28553 3145 18 ready ready JJ 28553 3145 19 for for IN 28553 3145 20 firing fire VBG 28553 3145 21 . . . 28553 3146 1 In in IN 28553 3146 2 the the DT 28553 3146 3 stock stock NN 28553 3146 4 of of IN 28553 3146 5 the the DT 28553 3146 6 gun gun NN 28553 3146 7 is be VBZ 28553 3146 8 the the DT 28553 3146 9 _ _ NNP 28553 3146 10 cylinder cylinder NN 28553 3146 11 _ _ NNP 28553 3146 12 , , , 28553 3146 13 in in IN 28553 3146 14 which which WDT 28553 3146 15 an an DT 28553 3146 16 accurately accurately RB 28553 3146 17 fitting fitting JJ 28553 3146 18 and and CC 28553 3146 19 hollow hollow JJ 28553 3146 20 _ _ NNP 28553 3146 21 piston piston NN 28553 3146 22 _ _ NNP 28553 3146 23 moves move NNS 28553 3146 24 . . . 28553 3147 1 A a DT 28553 3147 2 powerful powerful JJ 28553 3147 3 helical helical JJ 28553 3147 4 spring spring NN 28553 3147 5 , , , 28553 3147 6 turned turn VBD 28553 3147 7 out out IN 28553 3147 8 of of IN 28553 3147 9 a a DT 28553 3147 10 solid solid JJ 28553 3147 11 bar bar NN 28553 3147 12 of of IN 28553 3147 13 steel steel NN 28553 3147 14 , , , 28553 3147 15 is be VBZ 28553 3147 16 compressed compress VBN 28553 3147 17 between between IN 28553 3147 18 the the DT 28553 3147 19 inside inside JJ 28553 3147 20 end end NN 28553 3147 21 of of IN 28553 3147 22 the the DT 28553 3147 23 piston piston NN 28553 3147 24 and and CC 28553 3147 25 the the DT 28553 3147 26 upper upper JJ 28553 3147 27 end end NN 28553 3147 28 of of IN 28553 3147 29 the the DT 28553 3147 30 butt butt NN 28553 3147 31 . . . 28553 3148 1 To to TO 28553 3148 2 set set VB 28553 3148 3 the the DT 28553 3148 4 gun gun NN 28553 3148 5 , , , 28553 3148 6 the the DT 28553 3148 7 _ _ NNP 28553 3148 8 catch catch NN 28553 3148 9 _ _ NNP 28553 3148 10 is be VBZ 28553 3148 11 pressed press VBN 28553 3148 12 down down RP 28553 3148 13 so so IN 28553 3148 14 that that IN 28553 3148 15 its -PRON- PRP$ 28553 3148 16 hooked hooked JJ 28553 3148 17 end end NN 28553 3148 18 disengages disengage NNS 28553 3148 19 from from IN 28553 3148 20 the the DT 28553 3148 21 stock stock NN 28553 3148 22 , , , 28553 3148 23 and and CC 28553 3148 24 the the DT 28553 3148 25 barrel barrel NN 28553 3148 26 is be VBZ 28553 3148 27 bent bent JJ 28553 3148 28 downwards downward NNS 28553 3148 29 on on IN 28553 3148 30 pivot pivot NN 28553 3148 31 P. p. NN 28553 3148 32 This this DT 28553 3148 33 slides slide VBZ 28553 3148 34 the the DT 28553 3148 35 lower low JJR 28553 3148 36 end end NN 28553 3148 37 of of IN 28553 3148 38 the the DT 28553 3148 39 _ _ NNP 28553 3148 40 compressing compress VBG 28553 3148 41 lever lever NN 28553 3148 42 _ _ NNP 28553 3148 43 towards towards IN 28553 3148 44 the the DT 28553 3148 45 butt butt NN 28553 3148 46 , , , 28553 3148 47 and and CC 28553 3148 48 a a DT 28553 3148 49 projection projection NN 28553 3148 50 on on IN 28553 3148 51 the the DT 28553 3148 52 guide guide NN 28553 3148 53 B B NNP 28553 3148 54 , , , 28553 3148 55 working work VBG 28553 3148 56 in in IN 28553 3148 57 a a DT 28553 3148 58 groove groove NN 28553 3148 59 , , , 28553 3148 60 takes take VBZ 28553 3148 61 the the DT 28553 3148 62 piston piston NN 28553 3148 63 with with IN 28553 3148 64 it -PRON- PRP 28553 3148 65 . . . 28553 3149 1 When when WRB 28553 3149 2 the the DT 28553 3149 3 spring spring NN 28553 3149 4 has have VBZ 28553 3149 5 been be VBN 28553 3149 6 fully fully RB 28553 3149 7 compressed compress VBN 28553 3149 8 , , , 28553 3149 9 the the DT 28553 3149 10 triangular triangular JJ 28553 3149 11 tip tip NN 28553 3149 12 of of IN 28553 3149 13 the the DT 28553 3149 14 rocking rock VBG 28553 3149 15 cam cam NN 28553 3149 16 R r NN 28553 3149 17 engages engage VBZ 28553 3149 18 with with IN 28553 3149 19 a a DT 28553 3149 20 groove groove NN 28553 3149 21 in in IN 28553 3149 22 the the DT 28553 3149 23 piston piston NN 28553 3149 24 's 's POS 28553 3149 25 head head NN 28553 3149 26 , , , 28553 3149 27 and and CC 28553 3149 28 prevents prevent VBZ 28553 3149 29 recoil recoil VB 28553 3149 30 when when WRB 28553 3149 31 the the DT 28553 3149 32 barrel barrel NN 28553 3149 33 is be VBZ 28553 3149 34 returned return VBN 28553 3149 35 to to IN 28553 3149 36 its -PRON- PRP$ 28553 3149 37 original original JJ 28553 3149 38 position position NN 28553 3149 39 . . . 28553 3150 1 On on IN 28553 3150 2 pulling pull VBG 28553 3150 3 the the DT 28553 3150 4 trigger trigger NN 28553 3150 5 , , , 28553 3150 6 the the DT 28553 3150 7 piston piston NN 28553 3150 8 is be VBZ 28553 3150 9 released release VBN 28553 3150 10 and and CC 28553 3150 11 flies fly VBZ 28553 3150 12 up up RP 28553 3150 13 the the DT 28553 3150 14 cylinder cylinder NN 28553 3150 15 with with IN 28553 3150 16 great great JJ 28553 3150 17 force force NN 28553 3150 18 , , , 28553 3150 19 and and CC 28553 3150 20 the the DT 28553 3150 21 air air NN 28553 3150 22 in in IN 28553 3150 23 the the DT 28553 3150 24 cylinder cylinder NN 28553 3150 25 is be VBZ 28553 3150 26 compressed compress VBN 28553 3150 27 and and CC 28553 3150 28 driven drive VBN 28553 3150 29 through through IN 28553 3150 30 the the DT 28553 3150 31 bore bore NN 28553 3150 32 of of IN 28553 3150 33 the the DT 28553 3150 34 barrel barrel NN 28553 3150 35 , , , 28553 3150 36 blocked block VBN 28553 3150 37 by by IN 28553 3150 38 the the DT 28553 3150 39 leaden leaden NN 28553 3150 40 slug slug NN 28553 3150 41 , , , 28553 3150 42 to to TO 28553 3150 43 which which WDT 28553 3150 44 the the DT 28553 3150 45 whole whole JJ 28553 3150 46 energy energy NN 28553 3150 47 of of IN 28553 3150 48 the the DT 28553 3150 49 expanding expand VBG 28553 3150 50 spring spring NN 28553 3150 51 is be VBZ 28553 3150 52 transmitted transmit VBN 28553 3150 53 through through IN 28553 3150 54 the the DT 28553 3150 55 elastic elastic JJ 28553 3150 56 medium medium NN 28553 3150 57 of of IN 28553 3150 58 the the DT 28553 3150 59 air air NN 28553 3150 60 . . . 28553 3151 1 There there EX 28553 3151 2 are be VBP 28553 3151 3 several several JJ 28553 3151 4 other other JJ 28553 3151 5 good good JJ 28553 3151 6 types type NNS 28553 3151 7 of of IN 28553 3151 8 air air NN 28553 3151 9 - - HYPH 28553 3151 10 gun gun NN 28553 3151 11 , , , 28553 3151 12 all all DT 28553 3151 13 of of IN 28553 3151 14 which which WDT 28553 3151 15 employ employ VBP 28553 3151 16 the the DT 28553 3151 17 principles principle NNS 28553 3151 18 described describe VBN 28553 3151 19 above above RB 28553 3151 20 . . . 28553 3152 1 THE the DT 28553 3152 2 SELF SELF NNP 28553 3152 3 - - HYPH 28553 3152 4 CLOSING CLOSING NNP 28553 3152 5 DOOR DOOR NNP 28553 3152 6 - - HYPH 28553 3152 7 STOP STOP NNP 28553 3152 8 is be VBZ 28553 3152 9 another another DT 28553 3152 10 interesting interesting JJ 28553 3152 11 pneumatic pneumatic JJ 28553 3152 12 device device NN 28553 3152 13 . . . 28553 3153 1 It -PRON- PRP 28553 3153 2 consists consist VBZ 28553 3153 3 of of IN 28553 3153 4 a a DT 28553 3153 5 cylinder cylinder NN 28553 3153 6 with with IN 28553 3153 7 an an DT 28553 3153 8 air air NN 28553 3153 9 - - HYPH 28553 3153 10 tight tight JJ 28553 3153 11 piston piston NN 28553 3153 12 , , , 28553 3153 13 and and CC 28553 3153 14 a a DT 28553 3153 15 piston piston NN 28553 3153 16 rod rod NN 28553 3153 17 working work VBG 28553 3153 18 through through IN 28553 3153 19 a a DT 28553 3153 20 cover cover NN 28553 3153 21 at at IN 28553 3153 22 one one CD 28553 3153 23 end end NN 28553 3153 24 . . . 28553 3154 1 The the DT 28553 3154 2 other other JJ 28553 3154 3 end end NN 28553 3154 4 of of IN 28553 3154 5 the the DT 28553 3154 6 cylinder cylinder NN 28553 3154 7 is be VBZ 28553 3154 8 pivoted pivot VBN 28553 3154 9 to to IN 28553 3154 10 the the DT 28553 3154 11 door door NN 28553 3154 12 frame frame NN 28553 3154 13 . . . 28553 3155 1 When when WRB 28553 3155 2 the the DT 28553 3155 3 door door NN 28553 3155 4 is be VBZ 28553 3155 5 opened open VBN 28553 3155 6 the the DT 28553 3155 7 piston piston NN 28553 3155 8 compresses compress VBZ 28553 3155 9 a a DT 28553 3155 10 spring spring NN 28553 3155 11 in in IN 28553 3155 12 the the DT 28553 3155 13 cylinder cylinder NN 28553 3155 14 , , , 28553 3155 15 and and CC 28553 3155 16 air air NN 28553 3155 17 is be VBZ 28553 3155 18 admitted admit VBN 28553 3155 19 past past IN 28553 3155 20 a a DT 28553 3155 21 cup cup NN 28553 3155 22 leather leather NN 28553 3155 23 on on IN 28553 3155 24 the the DT 28553 3155 25 piston piston NN 28553 3155 26 to to IN 28553 3155 27 the the DT 28553 3155 28 upper upper JJ 28553 3155 29 part part NN 28553 3155 30 of of IN 28553 3155 31 the the DT 28553 3155 32 cylinder cylinder NN 28553 3155 33 . . . 28553 3156 1 This this DT 28553 3156 2 air air NN 28553 3156 3 is be VBZ 28553 3156 4 confined confine VBN 28553 3156 5 by by IN 28553 3156 6 the the DT 28553 3156 7 cup cup NN 28553 3156 8 leather leather NN 28553 3156 9 when when WRB 28553 3156 10 the the DT 28553 3156 11 door door NN 28553 3156 12 is be VBZ 28553 3156 13 released release VBN 28553 3156 14 , , , 28553 3156 15 and and CC 28553 3156 16 escapes escape NNS 28553 3156 17 slowly slowly RB 28553 3156 18 through through IN 28553 3156 19 a a DT 28553 3156 20 leak leak NN 28553 3156 21 , , , 28553 3156 22 allowing allow VBG 28553 3156 23 the the DT 28553 3156 24 spring spring NN 28553 3156 25 to to TO 28553 3156 26 regain regain VB 28553 3156 27 its -PRON- PRP$ 28553 3156 28 shape shape NN 28553 3156 29 slowly slowly RB 28553 3156 30 , , , 28553 3156 31 and and CC 28553 3156 32 by by IN 28553 3156 33 the the DT 28553 3156 34 agency agency NN 28553 3156 35 of of IN 28553 3156 36 the the DT 28553 3156 37 piston piston NN 28553 3156 38 rod rod NN 28553 3156 39 to to TO 28553 3156 40 close close VB 28553 3156 41 the the DT 28553 3156 42 door door NN 28553 3156 43 . . . 28553 3157 1 THE the DT 28553 3157 2 ACTION action NN 28553 3157 3 OF of IN 28553 3157 4 WIND wind NN 28553 3157 5 ON on IN 28553 3157 6 OBLIQUE OBLIQUE VBN 28553 3157 7 SURFACES surfaces NN 28553 3157 8 . . . 28553 3158 1 Why why WRB 28553 3158 2 does do VBZ 28553 3158 3 a a DT 28553 3158 4 kite kite NN 28553 3158 5 rise rise NN 28553 3158 6 ? ? . 28553 3159 1 Why why WRB 28553 3159 2 does do VBZ 28553 3159 3 a a DT 28553 3159 4 boat boat NN 28553 3159 5 sail sail VB 28553 3159 6 across across IN 28553 3159 7 the the DT 28553 3159 8 wind wind NN 28553 3159 9 ? ? . 28553 3160 1 We -PRON- PRP 28553 3160 2 can can MD 28553 3160 3 supply supply VB 28553 3160 4 an an DT 28553 3160 5 answer answer NN 28553 3160 6 almost almost RB 28553 3160 7 instinctively instinctively RB 28553 3160 8 in in IN 28553 3160 9 both both DT 28553 3160 10 cases case NNS 28553 3160 11 , , , 28553 3160 12 " " '' 28553 3160 13 Because because IN 28553 3160 14 the the DT 28553 3160 15 wind wind NN 28553 3160 16 pushes push VBZ 28553 3160 17 the the DT 28553 3160 18 kite kite NN 28553 3160 19 or or CC 28553 3160 20 sail sail VB 28553 3160 21 aside aside RB 28553 3160 22 . . . 28553 3160 23 " " '' 28553 3161 1 It -PRON- PRP 28553 3161 2 will will MD 28553 3161 3 , , , 28553 3161 4 however however RB 28553 3161 5 , , , 28553 3161 6 be be VB 28553 3161 7 worth worth JJ 28553 3161 8 while while IN 28553 3161 9 to to TO 28553 3161 10 look look VB 28553 3161 11 for for IN 28553 3161 12 a a DT 28553 3161 13 more more RBR 28553 3161 14 scientific scientific JJ 28553 3161 15 answer answer NN 28553 3161 16 . . . 28553 3162 1 The the DT 28553 3162 2 kite kite NN 28553 3162 3 can can MD 28553 3162 4 not not RB 28553 3162 5 travel travel VB 28553 3162 6 in in IN 28553 3162 7 the the DT 28553 3162 8 direction direction NN 28553 3162 9 of of IN 28553 3162 10 the the DT 28553 3162 11 wind wind NN 28553 3162 12 because because IN 28553 3162 13 it -PRON- PRP 28553 3162 14 is be VBZ 28553 3162 15 confined confine VBN 28553 3162 16 by by IN 28553 3162 17 a a DT 28553 3162 18 string string NN 28553 3162 19 . . . 28553 3163 1 But but CC 28553 3163 2 the the DT 28553 3163 3 face face NN 28553 3163 4 is be VBZ 28553 3163 5 so so RB 28553 3163 6 attached attach VBN 28553 3163 7 to to IN 28553 3163 8 the the DT 28553 3163 9 string string NN 28553 3163 10 that that WDT 28553 3163 11 it -PRON- PRP 28553 3163 12 inclines incline VBZ 28553 3163 13 at at IN 28553 3163 14 an an DT 28553 3163 15 angle angle NN 28553 3163 16 to to IN 28553 3163 17 the the DT 28553 3163 18 direction direction NN 28553 3163 19 of of IN 28553 3163 20 the the DT 28553 3163 21 wind wind NN 28553 3163 22 . . . 28553 3164 1 Now now RB 28553 3164 2 , , , 28553 3164 3 when when WRB 28553 3164 4 a a DT 28553 3164 5 force force NN 28553 3164 6 meets meet VBZ 28553 3164 7 an an DT 28553 3164 8 inclined incline VBN 28553 3164 9 surface surface NN 28553 3164 10 which which WDT 28553 3164 11 it -PRON- PRP 28553 3164 12 can can MD 28553 3164 13 not not RB 28553 3164 14 carry carry VB 28553 3164 15 along along RP 28553 3164 16 with with IN 28553 3164 17 it -PRON- PRP 28553 3164 18 , , , 28553 3164 19 but but CC 28553 3164 20 which which WDT 28553 3164 21 is be VBZ 28553 3164 22 free free JJ 28553 3164 23 to to TO 28553 3164 24 travel travel VB 28553 3164 25 in in IN 28553 3164 26 another another DT 28553 3164 27 direction direction NN 28553 3164 28 , , , 28553 3164 29 the the DT 28553 3164 30 force force NN 28553 3164 31 may may MD 28553 3164 32 be be VB 28553 3164 33 regarded regard VBN 28553 3164 34 as as IN 28553 3164 35 resolving resolve VBG 28553 3164 36 itself -PRON- PRP 28553 3164 37 into into IN 28553 3164 38 _ _ NNP 28553 3164 39 two two CD 28553 3164 40 _ _ NNP 28553 3164 41 forces force NNS 28553 3164 42 , , , 28553 3164 43 coming come VBG 28553 3164 44 from from IN 28553 3164 45 each each DT 28553 3164 46 side side NN 28553 3164 47 of of IN 28553 3164 48 the the DT 28553 3164 49 original original JJ 28553 3164 50 line line NN 28553 3164 51 . . . 28553 3165 1 These these DT 28553 3165 2 are be VBP 28553 3165 3 called call VBN 28553 3165 4 the the DT 28553 3165 5 _ _ NNP 28553 3165 6 component component NN 28553 3165 7 _ _ NNP 28553 3165 8 forces force NNS 28553 3165 9 . . . 28553 3166 1 [ [ -LRB- 28553 3166 2 Illustration illustration NN 28553 3166 3 : : : 28553 3166 4 FIG FIG NNP 28553 3166 5 . . . 28553 3167 1 169 169 CD 28553 3167 2 . . . 28553 3167 3 ] ] -RRB- 28553 3168 1 To to TO 28553 3168 2 explain explain VB 28553 3168 3 this this DT 28553 3168 4 we -PRON- PRP 28553 3168 5 give give VBP 28553 3168 6 a a DT 28553 3168 7 simple simple JJ 28553 3168 8 sketch sketch NN 28553 3168 9 of of IN 28553 3168 10 a a DT 28553 3168 11 kite kite NN 28553 3168 12 in in IN 28553 3168 13 the the DT 28553 3168 14 act act NN 28553 3168 15 of of IN 28553 3168 16 flying fly VBG 28553 3168 17 ( ( -LRB- 28553 3168 18 Fig fig NN 28553 3168 19 . . . 28553 3169 1 169 169 CD 28553 3169 2 ) ) -RRB- 28553 3169 3 . . . 28553 3170 1 The the DT 28553 3170 2 wind wind NN 28553 3170 3 is be VBZ 28553 3170 4 blowing blow VBG 28553 3170 5 in in IN 28553 3170 6 the the DT 28553 3170 7 direction direction NN 28553 3170 8 of of IN 28553 3170 9 the the DT 28553 3170 10 solid solid JJ 28553 3170 11 arrow arrow NN 28553 3170 12 A. A. NNP 28553 3171 1 The the DT 28553 3171 2 oblique oblique JJ 28553 3171 3 surface surface NN 28553 3171 4 of of IN 28553 3171 5 the the DT 28553 3171 6 kite kite NNP 28553 3171 7 resolves resolve VBZ 28553 3171 8 its -PRON- PRP$ 28553 3171 9 force force NN 28553 3171 10 into into IN 28553 3171 11 the the DT 28553 3171 12 two two CD 28553 3171 13 components component NNS 28553 3171 14 indicated indicate VBN 28553 3171 15 by by IN 28553 3171 16 the the DT 28553 3171 17 dotted dotted JJ 28553 3171 18 arrows arrow NNS 28553 3171 19 B B NNP 28553 3171 20 and and CC 28553 3171 21 C. C. NNP 28553 3171 22 Of of IN 28553 3171 23 these these DT 28553 3171 24 C C NNP 28553 3171 25 only only RB 28553 3171 26 has have VBZ 28553 3171 27 lifting lift VBG 28553 3171 28 power power NN 28553 3171 29 to to TO 28553 3171 30 overcome overcome VB 28553 3171 31 the the DT 28553 3171 32 force force NN 28553 3171 33 of of IN 28553 3171 34 gravity gravity NN 28553 3171 35 . . . 28553 3172 1 The the DT 28553 3172 2 kite kite NN 28553 3172 3 assumes assume VBZ 28553 3172 4 a a DT 28553 3172 5 position position NN 28553 3172 6 in in IN 28553 3172 7 which which WDT 28553 3172 8 force force NN 28553 3172 9 C c NN 28553 3172 10 and and CC 28553 3172 11 gravity gravity NN 28553 3172 12 counterbalance counterbalance NN 28553 3172 13 one one NNP 28553 3172 14 another another DT 28553 3172 15 . . . 28553 3173 1 [ [ -LRB- 28553 3173 2 Illustration illustration NN 28553 3173 3 : : : 28553 3173 4 FIG FIG NNP 28553 3173 5 . . . 28553 3174 1 170 170 CD 28553 3174 2 . . . 28553 3174 3 ] ] -RRB- 28553 3175 1 A a DT 28553 3175 2 boat boat NN 28553 3175 3 sailing sailing NN 28553 3175 4 across across IN 28553 3175 5 the the DT 28553 3175 6 wind wind NN 28553 3175 7 is be VBZ 28553 3175 8 acted act VBN 28553 3175 9 on on IN 28553 3175 10 in in IN 28553 3175 11 a a DT 28553 3175 12 similar similar JJ 28553 3175 13 manner manner NN 28553 3175 14 ( ( -LRB- 28553 3175 15 Fig fig NN 28553 3175 16 . . . 28553 3176 1 170 170 LS 28553 3176 2 ) ) -RRB- 28553 3176 3 . . . 28553 3177 1 The the DT 28553 3177 2 wind wind NN 28553 3177 3 strikes strike VBZ 28553 3177 4 the the DT 28553 3177 5 sail sail NN 28553 3177 6 obliquely obliquely RB 28553 3177 7 , , , 28553 3177 8 and and CC 28553 3177 9 would would MD 28553 3177 10 thrust thrust VB 28553 3177 11 it -PRON- PRP 28553 3177 12 to to IN 28553 3177 13 leeward leeward NNP 28553 3177 14 were be VBD 28553 3177 15 it -PRON- PRP 28553 3177 16 not not RB 28553 3177 17 for for IN 28553 3177 18 the the DT 28553 3177 19 opposition opposition NN 28553 3177 20 of of IN 28553 3177 21 the the DT 28553 3177 22 water water NN 28553 3177 23 . . . 28553 3178 1 The the DT 28553 3178 2 force force NN 28553 3178 3 A a NN 28553 3178 4 is be VBZ 28553 3178 5 resolved resolve VBN 28553 3178 6 into into IN 28553 3178 7 forces force NNS 28553 3178 8 B B NNP 28553 3178 9 and and CC 28553 3178 10 C C NNP 28553 3178 11 , , , 28553 3178 12 of of IN 28553 3178 13 which which WDT 28553 3178 14 C C NNP 28553 3178 15 propels propel VBZ 28553 3178 16 the the DT 28553 3178 17 boat boat NN 28553 3178 18 on on IN 28553 3178 19 the the DT 28553 3178 20 line line NN 28553 3178 21 of of IN 28553 3178 22 its -PRON- PRP$ 28553 3178 23 axis axi NNS 28553 3178 24 . . . 28553 3179 1 The the DT 28553 3179 2 boat boat NN 28553 3179 3 can can MD 28553 3179 4 be be VB 28553 3179 5 made make VBN 28553 3179 6 to to TO 28553 3179 7 sail sail VB 28553 3179 8 even even RB 28553 3179 9 " " `` 28553 3179 10 up up RP 28553 3179 11 " " '' 28553 3179 12 the the DT 28553 3179 13 wind wind NN 28553 3179 14 , , , 28553 3179 15 her -PRON- PRP$ 28553 3179 16 head head NN 28553 3179 17 being be VBG 28553 3179 18 brought bring VBN 28553 3179 19 round round RB 28553 3179 20 until until IN 28553 3179 21 a a DT 28553 3179 22 point point NN 28553 3179 23 is be VBZ 28553 3179 24 reached reach VBN 28553 3179 25 at at IN 28553 3179 26 which which WDT 28553 3179 27 the the DT 28553 3179 28 force force NN 28553 3179 29 B B NNP 28553 3179 30 on on IN 28553 3179 31 the the DT 28553 3179 32 boat boat NN 28553 3179 33 , , , 28553 3179 34 masts mast NNS 28553 3179 35 , , , 28553 3179 36 etc etc FW 28553 3179 37 . . FW 28553 3179 38 , , , 28553 3179 39 overcomes overcome VBZ 28553 3179 40 the the DT 28553 3179 41 force force NN 28553 3179 42 C. C. NNP 28553 3179 43 The the DT 28553 3179 44 capability capability NN 28553 3179 45 of of IN 28553 3179 46 a a DT 28553 3179 47 boat boat NN 28553 3179 48 for for IN 28553 3179 49 sailing sailing NN 28553 3179 50 up up RP 28553 3179 51 wind wind NN 28553 3179 52 depends depend VBZ 28553 3179 53 on on IN 28553 3179 54 her -PRON- PRP$ 28553 3179 55 " " `` 28553 3179 56 lines line NNS 28553 3179 57 " " '' 28553 3179 58 and and CC 28553 3179 59 the the DT 28553 3179 60 amount amount NN 28553 3179 61 of of IN 28553 3179 62 surface surface NN 28553 3179 63 she -PRON- PRP 28553 3179 64 offers offer VBZ 28553 3179 65 to to IN 28553 3179 66 the the DT 28553 3179 67 wind wind NN 28553 3179 68 . . . 28553 3180 1 THE the DT 28553 3180 2 BALLOON balloon NN 28553 3180 3 is be VBZ 28553 3180 4 a a DT 28553 3180 5 pear pear NN 28553 3180 6 - - HYPH 28553 3180 7 shaped shape VBN 28553 3180 8 bag bag NN 28553 3180 9 -- -- : 28553 3180 10 usually usually RB 28553 3180 11 made make VBN 28553 3180 12 of of IN 28553 3180 13 silk silk NN 28553 3180 14 -- -- : 28553 3180 15 filled fill VBN 28553 3180 16 with with IN 28553 3180 17 some some DT 28553 3180 18 gas gas NN 28553 3180 19 lighter light JJR 28553 3180 20 than than IN 28553 3180 21 air air NN 28553 3180 22 . . . 28553 3181 1 The the DT 28553 3181 2 tendency tendency NN 28553 3181 3 of of IN 28553 3181 4 a a DT 28553 3181 5 heavier heavy JJR 28553 3181 6 medium medium NN 28553 3181 7 to to TO 28553 3181 8 displace displace VB 28553 3181 9 a a DT 28553 3181 10 lighter light JJR 28553 3181 11 drives drive VBZ 28553 3181 12 the the DT 28553 3181 13 gas gas NN 28553 3181 14 upwards upwards RB 28553 3181 15 , , , 28553 3181 16 and and CC 28553 3181 17 with with IN 28553 3181 18 it -PRON- PRP 28553 3181 19 the the DT 28553 3181 20 bag bag NN 28553 3181 21 and and CC 28553 3181 22 the the DT 28553 3181 23 wicker wicker NN 28553 3181 24 - - HYPH 28553 3181 25 work work NN 28553 3181 26 car car NN 28553 3181 27 attached attach VBN 28553 3181 28 to to IN 28553 3181 29 a a DT 28553 3181 30 network network NN 28553 3181 31 encasing encase VBG 28553 3181 32 the the DT 28553 3181 33 bag bag NN 28553 3181 34 . . . 28553 3182 1 The the DT 28553 3182 2 tapering taper VBG 28553 3182 3 neck neck NN 28553 3182 4 at at IN 28553 3182 5 the the DT 28553 3182 6 lower low JJR 28553 3182 7 end end NN 28553 3182 8 is be VBZ 28553 3182 9 open open JJ 28553 3182 10 , , , 28553 3182 11 to to TO 28553 3182 12 permit permit VB 28553 3182 13 the the DT 28553 3182 14 free free JJ 28553 3182 15 escape escape NN 28553 3182 16 of of IN 28553 3182 17 gas gas NN 28553 3182 18 as as IN 28553 3182 19 the the DT 28553 3182 20 atmospheric atmospheric JJ 28553 3182 21 pressure pressure NN 28553 3182 22 outside outside IN 28553 3182 23 diminishes diminishe NNS 28553 3182 24 with with IN 28553 3182 25 increasing increase VBG 28553 3182 26 elevation elevation NN 28553 3182 27 . . . 28553 3183 1 At at IN 28553 3183 2 the the DT 28553 3183 3 top top NN 28553 3183 4 of of IN 28553 3183 5 the the DT 28553 3183 6 bag bag NN 28553 3183 7 is be VBZ 28553 3183 8 a a DT 28553 3183 9 wooden wooden JJ 28553 3183 10 valve valve NN 28553 3183 11 opening opening NN 28553 3183 12 inwards inward NNS 28553 3183 13 , , , 28553 3183 14 which which WDT 28553 3183 15 can can MD 28553 3183 16 be be VB 28553 3183 17 drawn draw VBN 28553 3183 18 down down RP 28553 3183 19 by by IN 28553 3183 20 a a DT 28553 3183 21 rope rope NN 28553 3183 22 passing pass VBG 28553 3183 23 up up RP 28553 3183 24 to to IN 28553 3183 25 it -PRON- PRP 28553 3183 26 through through IN 28553 3183 27 the the DT 28553 3183 28 neck neck NN 28553 3183 29 whenever whenever WRB 28553 3183 30 the the DT 28553 3183 31 aeronaut aeronaut NN 28553 3183 32 wishes wish VBZ 28553 3183 33 to to TO 28553 3183 34 let let VB 28553 3183 35 gas gas NN 28553 3183 36 escape escape VB 28553 3183 37 for for IN 28553 3183 38 a a DT 28553 3183 39 descent descent NN 28553 3183 40 . . . 28553 3184 1 He -PRON- PRP 28553 3184 2 is be VBZ 28553 3184 3 able able JJ 28553 3184 4 to to TO 28553 3184 5 cause cause VB 28553 3184 6 a a DT 28553 3184 7 very very RB 28553 3184 8 rapid rapid JJ 28553 3184 9 escape escape NN 28553 3184 10 by by IN 28553 3184 11 pulling pull VBG 28553 3184 12 another another DT 28553 3184 13 cord cord NN 28553 3184 14 depending depend VBG 28553 3184 15 from from IN 28553 3184 16 a a DT 28553 3184 17 " " `` 28553 3184 18 ripping rip VBG 28553 3184 19 piece piece NN 28553 3184 20 " " '' 28553 3184 21 near near IN 28553 3184 22 the the DT 28553 3184 23 top top NN 28553 3184 24 of of IN 28553 3184 25 the the DT 28553 3184 26 bag bag NN 28553 3184 27 . . . 28553 3185 1 In in IN 28553 3185 2 case case NN 28553 3185 3 of of IN 28553 3185 4 emergency emergency NN 28553 3185 5 this this DT 28553 3185 6 is be VBZ 28553 3185 7 torn tear VBN 28553 3185 8 away away RB 28553 3185 9 bodily bodily RB 28553 3185 10 , , , 28553 3185 11 leaving leave VBG 28553 3185 12 a a DT 28553 3185 13 large large JJ 28553 3185 14 hole hole NN 28553 3185 15 . . . 28553 3186 1 The the DT 28553 3186 2 ballast ballast NN 28553 3186 3 ( ( -LRB- 28553 3186 4 usually usually RB 28553 3186 5 sand sand NN 28553 3186 6 ) ) -RRB- 28553 3186 7 carried carry VBD 28553 3186 8 enables enable VBZ 28553 3186 9 him -PRON- PRP 28553 3186 10 to to TO 28553 3186 11 maintain maintain VB 28553 3186 12 a a DT 28553 3186 13 state state NN 28553 3186 14 of of IN 28553 3186 15 equilibrium equilibrium NN 28553 3186 16 between between IN 28553 3186 17 the the DT 28553 3186 18 upward upward JJ 28553 3186 19 pull pull NN 28553 3186 20 of of IN 28553 3186 21 the the DT 28553 3186 22 gas gas NN 28553 3186 23 and and CC 28553 3186 24 the the DT 28553 3186 25 downward downward JJ 28553 3186 26 pull pull NN 28553 3186 27 of of IN 28553 3186 28 gravity gravity NN 28553 3186 29 . . . 28553 3187 1 To to TO 28553 3187 2 sink sink VB 28553 3187 3 he -PRON- PRP 28553 3187 4 lets let VBZ 28553 3187 5 out out RP 28553 3187 6 gas gas NN 28553 3187 7 , , , 28553 3187 8 to to TO 28553 3187 9 rise rise VB 28553 3187 10 he -PRON- PRP 28553 3187 11 throws throw VBZ 28553 3187 12 out out RP 28553 3187 13 ballast ballast NN 28553 3187 14 ; ; : 28553 3187 15 and and CC 28553 3187 16 this this DT 28553 3187 17 process process NN 28553 3187 18 can can MD 28553 3187 19 be be VB 28553 3187 20 repeated repeat VBN 28553 3187 21 until until IN 28553 3187 22 the the DT 28553 3187 23 ballast ballast NN 28553 3187 24 is be VBZ 28553 3187 25 exhausted exhaust VBN 28553 3187 26 . . . 28553 3188 1 The the DT 28553 3188 2 greatest great JJS 28553 3188 3 height height NN 28553 3188 4 ever ever RB 28553 3188 5 attained attain VBN 28553 3188 6 by by IN 28553 3188 7 aeronauts aeronauts NNP 28553 3188 8 is be VBZ 28553 3188 9 the the DT 28553 3188 10 7 7 CD 28553 3188 11 - - SYM 28553 3188 12 1/4 1/4 CD 28553 3188 13 miles mile NNS 28553 3188 14 , , , 28553 3188 15 or or CC 28553 3188 16 37,000 37,000 CD 28553 3188 17 feet foot NNS 28553 3188 18 , , , 28553 3188 19 of of IN 28553 3188 20 Messrs. Messrs. NNP 28553 3188 21 Glaisher Glaisher NNP 28553 3188 22 and and CC 28553 3188 23 Coxwell Coxwell NNP 28553 3188 24 on on IN 28553 3188 25 September September NNP 28553 3188 26 5 5 CD 28553 3188 27 , , , 28553 3188 28 1862 1862 CD 28553 3188 29 . . . 28553 3189 1 The the DT 28553 3189 2 ascent ascent NN 28553 3189 3 nearly nearly RB 28553 3189 4 cost cost VBD 28553 3189 5 them -PRON- PRP 28553 3189 6 their -PRON- PRP$ 28553 3189 7 lives life NNS 28553 3189 8 , , , 28553 3189 9 for for IN 28553 3189 10 at at IN 28553 3189 11 an an DT 28553 3189 12 elevation elevation NN 28553 3189 13 of of IN 28553 3189 14 about about RB 28553 3189 15 30,000 30,000 CD 28553 3189 16 feet foot NNS 28553 3189 17 they -PRON- PRP 28553 3189 18 were be VBD 28553 3189 19 partly partly RB 28553 3189 20 paralyzed paralyze VBN 28553 3189 21 by by IN 28553 3189 22 the the DT 28553 3189 23 rarefaction rarefaction NN 28553 3189 24 of of IN 28553 3189 25 the the DT 28553 3189 26 air air NN 28553 3189 27 , , , 28553 3189 28 and and CC 28553 3189 29 had have VBD 28553 3189 30 not not RB 28553 3189 31 Mr. Mr. NNP 28553 3189 32 Coxwell Coxwell NNP 28553 3189 33 been be VBN 28553 3189 34 able able JJ 28553 3189 35 to to TO 28553 3189 36 pull pull VB 28553 3189 37 the the DT 28553 3189 38 valve valve NN 28553 3189 39 rope rope NN 28553 3189 40 with with IN 28553 3189 41 his -PRON- PRP$ 28553 3189 42 teeth tooth NNS 28553 3189 43 and and CC 28553 3189 44 cause cause VB 28553 3189 45 a a DT 28553 3189 46 descent descent NN 28553 3189 47 , , , 28553 3189 48 both both DT 28553 3189 49 would would MD 28553 3189 50 have have VB 28553 3189 51 died die VBN 28553 3189 52 from from IN 28553 3189 53 want want NN 28553 3189 54 of of IN 28553 3189 55 air air NN 28553 3189 56 . . . 28553 3190 1 [ [ -LRB- 28553 3190 2 Illustration illustration NN 28553 3190 3 : : : 28553 3190 4 FIG FIG NNP 28553 3190 5 . . . 28553 3191 1 171 171 LS 28553 3191 2 . . . 28553 3191 3 ] ] -RRB- 28553 3192 1 The the DT 28553 3192 2 _ _ NNP 28553 3192 3 flying flying NN 28553 3192 4 - - HYPH 28553 3192 5 machine machine NN 28553 3192 6 _ _ NNP 28553 3192 7 , , , 28553 3192 8 which which WDT 28553 3192 9 scientific scientific JJ 28553 3192 10 engineers engineer NNS 28553 3192 11 have have VBP 28553 3192 12 so so RB 28553 3192 13 long long RB 28553 3192 14 been be VBN 28553 3192 15 trying try VBG 28553 3192 16 to to TO 28553 3192 17 produce produce VB 28553 3192 18 , , , 28553 3192 19 will will MD 28553 3192 20 probably probably RB 28553 3192 21 be be VB 28553 3192 22 quite quite RB 28553 3192 23 independent independent JJ 28553 3192 24 of of IN 28553 3192 25 balloons balloon NNS 28553 3192 26 , , , 28553 3192 27 and and CC 28553 3192 28 will will MD 28553 3192 29 depend depend VB 28553 3192 30 for for IN 28553 3192 31 its -PRON- PRP$ 28553 3192 32 ascensive ascensive JJ 28553 3192 33 powers power NNS 28553 3192 34 on on IN 28553 3192 35 the the DT 28553 3192 36 action action NN 28553 3192 37 of of IN 28553 3192 38 air air NN 28553 3192 39 on on IN 28553 3192 40 oblique oblique JJ 28553 3192 41 surfaces surface NNS 28553 3192 42 . . . 28553 3193 1 Sir Sir NNP 28553 3193 2 Hiram Hiram NNP 28553 3193 3 Maxim Maxim NNP 28553 3193 4 's 's POS 28553 3193 5 experimental experimental JJ 28553 3193 6 air air NN 28553 3193 7 - - HYPH 28553 3193 8 ship ship NN 28553 3193 9 embodied embody VBD 28553 3193 10 the the DT 28553 3193 11 principles principle NNS 28553 3193 12 shown show VBN 28553 3193 13 by by IN 28553 3193 14 Fig Fig NNP 28553 3193 15 . . . 28553 3194 1 171 171 CD 28553 3194 2 . . . 28553 3195 1 On on IN 28553 3195 2 a a DT 28553 3195 3 deck deck NN 28553 3195 4 was be VBD 28553 3195 5 mounted mount VBN 28553 3195 6 an an DT 28553 3195 7 engine engine NN 28553 3195 8 , , , 28553 3195 9 E e NN 28553 3195 10 , , , 28553 3195 11 extremely extremely RB 28553 3195 12 powerful powerful JJ 28553 3195 13 for for IN 28553 3195 14 its -PRON- PRP$ 28553 3195 15 weight weight NN 28553 3195 16 . . . 28553 3196 1 This this DT 28553 3196 2 drove drive VBD 28553 3196 3 large large JJ 28553 3196 4 propellers propeller NNS 28553 3196 5 , , , 28553 3196 6 S S NNP 28553 3196 7 S. S. NNP 28553 3196 8 Large large JJ 28553 3196 9 aeroplanes aeroplane NNS 28553 3196 10 , , , 28553 3196 11 of of IN 28553 3196 12 canvas canva NNS 28553 3196 13 stretched stretch VBD 28553 3196 14 over over IN 28553 3196 15 light light JJ 28553 3196 16 frameworks framework NNS 28553 3196 17 , , , 28553 3196 18 were be VBD 28553 3196 19 set set VBN 28553 3196 20 up up RP 28553 3196 21 overhead overhead RB 28553 3196 22 , , , 28553 3196 23 the the DT 28553 3196 24 forward forward JJ 28553 3196 25 end end VBP 28553 3196 26 somewhat somewhat RB 28553 3196 27 higher high JJR 28553 3196 28 than than IN 28553 3196 29 the the DT 28553 3196 30 rear rear NN 28553 3196 31 . . . 28553 3197 1 The the DT 28553 3197 2 machine machine NN 28553 3197 3 was be VBD 28553 3197 4 run run VBN 28553 3197 5 on on IN 28553 3197 6 rails rail NNS 28553 3197 7 so so RB 28553 3197 8 arranged arrange VBD 28553 3197 9 as as IN 28553 3197 10 to to TO 28553 3197 11 prevent prevent VB 28553 3197 12 it -PRON- PRP 28553 3197 13 rising rise VBG 28553 3197 14 . . . 28553 3198 1 Unfortunately unfortunately RB 28553 3198 2 an an DT 28553 3198 3 accident accident NN 28553 3198 4 happened happen VBD 28553 3198 5 at at IN 28553 3198 6 the the DT 28553 3198 7 first first JJ 28553 3198 8 trial trial NN 28553 3198 9 and and CC 28553 3198 10 destroyed destroy VBD 28553 3198 11 the the DT 28553 3198 12 machine machine NN 28553 3198 13 . . . 28553 3199 1 In in IN 28553 3199 2 actual actual JJ 28553 3199 3 flight flight NN 28553 3199 4 it -PRON- PRP 28553 3199 5 would would MD 28553 3199 6 be be VB 28553 3199 7 necessary necessary JJ 28553 3199 8 to to TO 28553 3199 9 have have VB 28553 3199 10 a a DT 28553 3199 11 vertical vertical JJ 28553 3199 12 rudder rudder NN 28553 3199 13 for for IN 28553 3199 14 altering alter VBG 28553 3199 15 the the DT 28553 3199 16 horizontal horizontal JJ 28553 3199 17 direction direction NN 28553 3199 18 , , , 28553 3199 19 and and CC 28553 3199 20 a a DT 28553 3199 21 horizontal horizontal JJ 28553 3199 22 " " `` 28553 3199 23 tail tail NN 28553 3199 24 " " '' 28553 3199 25 for for IN 28553 3199 26 steering steer VBG 28553 3199 27 up up RP 28553 3199 28 or or CC 28553 3199 29 down down RB 28553 3199 30 . . . 28553 3200 1 The the DT 28553 3200 2 principle principle NN 28553 3200 3 of of IN 28553 3200 4 an an DT 28553 3200 5 aeroplane aeroplane NN 28553 3200 6 is be VBZ 28553 3200 7 that that DT 28553 3200 8 of of IN 28553 3200 9 the the DT 28553 3200 10 kite kite NN 28553 3200 11 , , , 28553 3200 12 with with IN 28553 3200 13 this this DT 28553 3200 14 difference difference NN 28553 3200 15 , , , 28553 3200 16 that that IN 28553 3200 17 , , , 28553 3200 18 instead instead RB 28553 3200 19 of of IN 28553 3200 20 moving move VBG 28553 3200 21 air air NN 28553 3200 22 striking strike VBG 28553 3200 23 a a DT 28553 3200 24 captive captive JJ 28553 3200 25 body body NN 28553 3200 26 , , , 28553 3200 27 a a DT 28553 3200 28 moving move VBG 28553 3200 29 body body NN 28553 3200 30 is be VBZ 28553 3200 31 propelled propel VBN 28553 3200 32 against against IN 28553 3200 33 more more RBR 28553 3200 34 or or CC 28553 3200 35 less less JJR 28553 3200 36 stationary stationary JJ 28553 3200 37 air air NN 28553 3200 38 . . . 28553 3201 1 The the DT 28553 3201 2 resolution resolution NN 28553 3201 3 of of IN 28553 3201 4 forces force NNS 28553 3201 5 is be VBZ 28553 3201 6 shown show VBN 28553 3201 7 by by IN 28553 3201 8 the the DT 28553 3201 9 arrows arrow NNS 28553 3201 10 as as IN 28553 3201 11 before before RB 28553 3201 12 . . . 28553 3202 1 Up up IN 28553 3202 2 to to IN 28553 3202 3 the the DT 28553 3202 4 present present JJ 28553 3202 5 time time NN 28553 3202 6 no no DT 28553 3202 7 practical practical JJ 28553 3202 8 flying flying NN 28553 3202 9 - - HYPH 28553 3202 10 machine machine NN 28553 3202 11 has have VBZ 28553 3202 12 appeared appear VBN 28553 3202 13 . . . 28553 3203 1 But but CC 28553 3203 2 experimenters experimenter NNS 28553 3203 3 are be VBP 28553 3203 4 hard hard JJ 28553 3203 5 at at IN 28553 3203 6 work work NN 28553 3203 7 examining examine VBG 28553 3203 8 the the DT 28553 3203 9 conditions condition NNS 28553 3203 10 which which WDT 28553 3203 11 must must MD 28553 3203 12 be be VB 28553 3203 13 fulfilled fulfil VBN 28553 3203 14 to to TO 28553 3203 15 enable enable VB 28553 3203 16 man man NN 28553 3203 17 to to TO 28553 3203 18 claim claim VB 28553 3203 19 the the DT 28553 3203 20 " " `` 28553 3203 21 dominion dominion NN 28553 3203 22 of of IN 28553 3203 23 the the DT 28553 3203 24 air air NN 28553 3203 25 . . . 28553 3203 26 " " '' 28553 3204 1 [ [ -LRB- 28553 3204 2 34 34 CD 28553 3204 3 ] ] -RRB- 28553 3204 4 The the DT 28553 3204 5 " " `` 28553 3204 6 Romance Romance NNP 28553 3204 7 of of IN 28553 3204 8 Modern Modern NNP 28553 3204 9 Mechanism Mechanism NNP 28553 3204 10 , , , 28553 3204 11 " " '' 28553 3204 12 p. p. NN 28553 3204 13 243 243 CD 28553 3204 14 Chapter chapter NN 28553 3204 15 XVIII xviii NN 28553 3204 16 . . . 28553 3205 1 HYDRAULIC HYDRAULIC NNP 28553 3205 2 MACHINERY MACHINERY NNP 28553 3205 3 . . . 28553 3206 1 The the DT 28553 3206 2 siphon siphon NN 28553 3206 3 -- -- : 28553 3206 4 The the DT 28553 3206 5 bucket bucket NN 28553 3206 6 pump pump NN 28553 3206 7 -- -- : 28553 3206 8 The the DT 28553 3206 9 force force NN 28553 3206 10 - - HYPH 28553 3206 11 pump pump NN 28553 3206 12 -- -- : 28553 3206 13 The the DT 28553 3206 14 most most RBS 28553 3206 15 marvellous marvellous JJ 28553 3206 16 pump pump NN 28553 3206 17 -- -- : 28553 3206 18 The the DT 28553 3206 19 blood blood NN 28553 3206 20 channels channel NNS 28553 3206 21 -- -- : 28553 3206 22 The the DT 28553 3206 23 course course NN 28553 3206 24 of of IN 28553 3206 25 the the DT 28553 3206 26 blood blood NN 28553 3206 27 -- -- : 28553 3206 28 The the DT 28553 3206 29 hydraulic hydraulic JJ 28553 3206 30 press press NN 28553 3206 31 -- -- : 28553 3206 32 Household household NN 28553 3206 33 water water NN 28553 3206 34 - - HYPH 28553 3206 35 supply supply NN 28553 3206 36 fittings fitting NNS 28553 3206 37 -- -- : 28553 3206 38 The the DT 28553 3206 39 ball ball NN 28553 3206 40 - - HYPH 28553 3206 41 cock cock NN 28553 3206 42 -- -- : 28553 3206 43 The the DT 28553 3206 44 water water NN 28553 3206 45 - - HYPH 28553 3206 46 meter meter NN 28553 3206 47 -- -- . 28553 3206 48 Water water NN 28553 3206 49 - - HYPH 28553 3206 50 supply supply NN 28553 3206 51 systems system NNS 28553 3206 52 -- -- : 28553 3206 53 The the DT 28553 3206 54 household household NN 28553 3206 55 filter filter NN 28553 3206 56 -- -- : 28553 3206 57 Gas gas NN 28553 3206 58 traps trap NNS 28553 3206 59 -- -- : 28553 3206 60 Water water NN 28553 3206 61 engines engine NNS 28553 3206 62 -- -- : 28553 3206 63 The the DT 28553 3206 64 cream cream NN 28553 3206 65 separator separator NN 28553 3206 66 -- -- . 28553 3206 67 The the DT 28553 3206 68 " " `` 28553 3206 69 hydro hydro NNP 28553 3206 70 . . . 28553 3206 71 " " '' 28553 3207 1 In in IN 28553 3207 2 the the DT 28553 3207 3 last last JJ 28553 3207 4 chapter chapter NN 28553 3207 5 we -PRON- PRP 28553 3207 6 saw see VBD 28553 3207 7 that that IN 28553 3207 8 the the DT 28553 3207 9 pressure pressure NN 28553 3207 10 of of IN 28553 3207 11 the the DT 28553 3207 12 atmosphere atmosphere NN 28553 3207 13 is be VBZ 28553 3207 14 15 15 CD 28553 3207 15 lbs lbs NN 28553 3207 16 . . . 28553 3208 1 to to IN 28553 3208 2 the the DT 28553 3208 3 square square JJ 28553 3208 4 inch inch NN 28553 3208 5 . . . 28553 3209 1 Suppose suppose VB 28553 3209 2 that that DT 28553 3209 3 to to IN 28553 3209 4 a a DT 28553 3209 5 very very RB 28553 3209 6 long long JJ 28553 3209 7 tube tube NN 28553 3209 8 having have VBG 28553 3209 9 a a DT 28553 3209 10 sectional sectional JJ 28553 3209 11 area area NN 28553 3209 12 of of IN 28553 3209 13 one one CD 28553 3209 14 square square JJ 28553 3209 15 inch inch NN 28553 3209 16 we -PRON- PRP 28553 3209 17 fit fit VBP 28553 3209 18 an an DT 28553 3209 19 air air NN 28553 3209 20 - - HYPH 28553 3209 21 tight tight JJ 28553 3209 22 piston piston NN 28553 3209 23 ( ( -LRB- 28553 3209 24 Fig fig NN 28553 3209 25 . . . 28553 3210 1 172 172 CD 28553 3210 2 ) ) -RRB- 28553 3210 3 , , , 28553 3210 4 and and CC 28553 3210 5 place place VB 28553 3210 6 the the DT 28553 3210 7 lower low JJR 28553 3210 8 end end NN 28553 3210 9 of of IN 28553 3210 10 the the DT 28553 3210 11 tube tube NN 28553 3210 12 in in IN 28553 3210 13 a a DT 28553 3210 14 vessel vessel NN 28553 3210 15 of of IN 28553 3210 16 water water NN 28553 3210 17 . . . 28553 3211 1 On on IN 28553 3211 2 raising raise VBG 28553 3211 3 the the DT 28553 3211 4 piston piston NN 28553 3211 5 a a DT 28553 3211 6 vacuum vacuum NN 28553 3211 7 would would MD 28553 3211 8 be be VB 28553 3211 9 created create VBN 28553 3211 10 in in IN 28553 3211 11 the the DT 28553 3211 12 tube tube NN 28553 3211 13 , , , 28553 3211 14 did do VBD 28553 3211 15 not not RB 28553 3211 16 the the DT 28553 3211 17 pressure pressure NN 28553 3211 18 of of IN 28553 3211 19 the the DT 28553 3211 20 atmosphere atmosphere NN 28553 3211 21 force force NN 28553 3211 22 water water NN 28553 3211 23 up up RP 28553 3211 24 into into IN 28553 3211 25 the the DT 28553 3211 26 tube tube NN 28553 3211 27 behind behind IN 28553 3211 28 the the DT 28553 3211 29 piston piston NN 28553 3211 30 . . . 28553 3212 1 The the DT 28553 3212 2 water water NN 28553 3212 3 would would MD 28553 3212 4 continue continue VB 28553 3212 5 to to TO 28553 3212 6 rise rise VB 28553 3212 7 until until IN 28553 3212 8 it -PRON- PRP 28553 3212 9 reached reach VBD 28553 3212 10 a a DT 28553 3212 11 point point NN 28553 3212 12 34 34 CD 28553 3212 13 feet foot NNS 28553 3212 14 perpendicularly perpendicularly RB 28553 3212 15 above above IN 28553 3212 16 the the DT 28553 3212 17 level level NN 28553 3212 18 of of IN 28553 3212 19 the the DT 28553 3212 20 water water NN 28553 3212 21 in in IN 28553 3212 22 the the DT 28553 3212 23 vessel vessel NN 28553 3212 24 . . . 28553 3213 1 The the DT 28553 3213 2 column column NN 28553 3213 3 would would MD 28553 3213 4 then then RB 28553 3213 5 weigh weigh VB 28553 3213 6 15 15 CD 28553 3213 7 lbs lbs NN 28553 3213 8 . . . 28553 3213 9 , , , 28553 3213 10 and and CC 28553 3213 11 exactly exactly RB 28553 3213 12 counterbalance counterbalance VB 28553 3213 13 the the DT 28553 3213 14 atmospheric atmospheric JJ 28553 3213 15 pressure pressure NN 28553 3213 16 ; ; : 28553 3213 17 so so IN 28553 3213 18 that that IN 28553 3213 19 a a DT 28553 3213 20 further further JJ 28553 3213 21 raising raising NN 28553 3213 22 of of IN 28553 3213 23 the the DT 28553 3213 24 piston piston NN 28553 3213 25 would would MD 28553 3213 26 not not RB 28553 3213 27 raise raise VB 28553 3213 28 the the DT 28553 3213 29 water water NN 28553 3213 30 any any DT 28553 3213 31 farther farther RB 28553 3213 32 . . . 28553 3214 1 At at IN 28553 3214 2 sea sea NN 28553 3214 3 - - HYPH 28553 3214 4 level level NN 28553 3214 5 , , , 28553 3214 6 therefore therefore RB 28553 3214 7 , , , 28553 3214 8 the the DT 28553 3214 9 _ _ NNP 28553 3214 10 lifting lift VBG 28553 3214 11 _ _ NNP 28553 3214 12 power power NN 28553 3214 13 of of IN 28553 3214 14 a a DT 28553 3214 15 pump pump NN 28553 3214 16 by by IN 28553 3214 17 suction suction NN 28553 3214 18 is be VBZ 28553 3214 19 limited limit VBN 28553 3214 20 to to IN 28553 3214 21 34 34 CD 28553 3214 22 feet foot NNS 28553 3214 23 . . . 28553 3215 1 On on IN 28553 3215 2 the the DT 28553 3215 3 top top NN 28553 3215 4 of of IN 28553 3215 5 a a DT 28553 3215 6 lofty lofty JJ 28553 3215 7 mountain mountain NN 28553 3215 8 , , , 28553 3215 9 where where WRB 28553 3215 10 the the DT 28553 3215 11 air air NN 28553 3215 12 - - HYPH 28553 3215 13 pressure pressure NN 28553 3215 14 is be VBZ 28553 3215 15 less less JJR 28553 3215 16 , , , 28553 3215 17 the the DT 28553 3215 18 height height NN 28553 3215 19 of of IN 28553 3215 20 the the DT 28553 3215 21 column column NN 28553 3215 22 would would MD 28553 3215 23 be be VB 28553 3215 24 diminished diminish VBN 28553 3215 25 -- -- : 28553 3215 26 in in IN 28553 3215 27 fact fact NN 28553 3215 28 , , , 28553 3215 29 be be VB 28553 3215 30 proportional proportional JJ 28553 3215 31 to to IN 28553 3215 32 the the DT 28553 3215 33 pressure pressure NN 28553 3215 34 . . . 28553 3216 1 [ [ -LRB- 28553 3216 2 Illustration illustration NN 28553 3216 3 : : : 28553 3216 4 FIG FIG NNP 28553 3216 5 . . . 28553 3217 1 172 172 CD 28553 3217 2 . . . 28553 3217 3 ] ] -RRB- 28553 3218 1 [ [ -LRB- 28553 3218 2 Illustration illustration NN 28553 3218 3 : : : 28553 3218 4 FIG FIG NNP 28553 3218 5 . . . 28553 3219 1 173 173 CD 28553 3219 2 . . . 28553 3219 3 ] ] -RRB- 28553 3220 1 THE the DT 28553 3220 2 SIPHON SIPHON NNP 28553 3220 3 is be VBZ 28553 3220 4 an an DT 28553 3220 5 interesting interesting JJ 28553 3220 6 application application NN 28553 3220 7 of of IN 28553 3220 8 the the DT 28553 3220 9 principle principle NN 28553 3220 10 of of IN 28553 3220 11 suction suction NN 28553 3220 12 . . . 28553 3221 1 By by IN 28553 3221 2 its -PRON- PRP$ 28553 3221 3 own own JJ 28553 3221 4 weight weight NN 28553 3221 5 water water NN 28553 3221 6 may may MD 28553 3221 7 be be VB 28553 3221 8 made make VBN 28553 3221 9 to to TO 28553 3221 10 lift lift VB 28553 3221 11 water water NN 28553 3221 12 through through IN 28553 3221 13 a a DT 28553 3221 14 height height NN 28553 3221 15 not not RB 28553 3221 16 exceeding exceed VBG 28553 3221 17 34 34 CD 28553 3221 18 feet foot NNS 28553 3221 19 . . . 28553 3222 1 This this DT 28553 3222 2 is be VBZ 28553 3222 3 explained explain VBN 28553 3222 4 by by IN 28553 3222 5 Fig Fig NNP 28553 3222 6 . . . 28553 3223 1 173 173 CD 28553 3223 2 . . . 28553 3224 1 The the DT 28553 3224 2 siphon siphon NN 28553 3224 3 pipe pipe NN 28553 3224 4 , , , 28553 3224 5 A a DT 28553 3224 6 B b NN 28553 3224 7 C c NN 28553 3224 8 D d NN 28553 3224 9 , , , 28553 3224 10 is be VBZ 28553 3224 11 in in IN 28553 3224 12 the the DT 28553 3224 13 first first JJ 28553 3224 14 instance instance NN 28553 3224 15 filled fill VBN 28553 3224 16 by by IN 28553 3224 17 suction suction NN 28553 3224 18 . . . 28553 3225 1 The the DT 28553 3225 2 weight weight NN 28553 3225 3 of of IN 28553 3225 4 the the DT 28553 3225 5 water water NN 28553 3225 6 between between IN 28553 3225 7 A a NN 28553 3225 8 and and CC 28553 3225 9 B b NN 28553 3225 10 counter counter NN 28553 3225 11 - - NNS 28553 3225 12 balances balance NNS 28553 3225 13 that that IN 28553 3225 14 between between IN 28553 3225 15 B B NNP 28553 3225 16 and and CC 28553 3225 17 C. C. NNP 28553 3225 18 But but CC 28553 3225 19 the the DT 28553 3225 20 column column NN 28553 3225 21 C c NN 28553 3225 22 D d NN 28553 3225 23 hangs hang NNS 28553 3225 24 , , , 28553 3225 25 as as IN 28553 3225 26 it -PRON- PRP 28553 3225 27 were be VBD 28553 3225 28 , , , 28553 3225 29 to to IN 28553 3225 30 the the DT 28553 3225 31 heels heel NNS 28553 3225 32 of of IN 28553 3225 33 B B NNP 28553 3225 34 C C NNP 28553 3225 35 , , , 28553 3225 36 and and CC 28553 3225 37 draws draw VBZ 28553 3225 38 it -PRON- PRP 28553 3225 39 down down RP 28553 3225 40 . . . 28553 3226 1 Or or CC 28553 3226 2 , , , 28553 3226 3 to to TO 28553 3226 4 put put VB 28553 3226 5 it -PRON- PRP 28553 3226 6 otherwise otherwise RB 28553 3226 7 , , , 28553 3226 8 the the DT 28553 3226 9 column column NN 28553 3226 10 B b NN 28553 3226 11 D d NN 28553 3226 12 , , , 28553 3226 13 being be VBG 28553 3226 14 heavier heavy JJR 28553 3226 15 than than IN 28553 3226 16 the the DT 28553 3226 17 column column NN 28553 3226 18 B B NNP 28553 3226 19 A A NNP 28553 3226 20 , , , 28553 3226 21 draws draw VBZ 28553 3226 22 it -PRON- PRP 28553 3226 23 over over IN 28553 3226 24 the the DT 28553 3226 25 topmost topmost JJS 28553 3226 26 point point NN 28553 3226 27 of of IN 28553 3226 28 the the DT 28553 3226 29 siphon siphon NN 28553 3226 30 . . . 28553 3227 1 Any any DT 28553 3227 2 parting parting NN 28553 3227 3 between between IN 28553 3227 4 the the DT 28553 3227 5 columns column NNS 28553 3227 6 , , , 28553 3227 7 provided provide VBN 28553 3227 8 that that IN 28553 3227 9 B B NNP 28553 3227 10 A A NNP 28553 3227 11 does do VBZ 28553 3227 12 not not RB 28553 3227 13 exceed exceed VB 28553 3227 14 34 34 CD 28553 3227 15 feet foot NNS 28553 3227 16 , , , 28553 3227 17 is be VBZ 28553 3227 18 impossible impossible JJ 28553 3227 19 , , , 28553 3227 20 as as IN 28553 3227 21 the the DT 28553 3227 22 pressure pressure NN 28553 3227 23 of of IN 28553 3227 24 the the DT 28553 3227 25 atmosphere atmosphere NN 28553 3227 26 on on IN 28553 3227 27 the the DT 28553 3227 28 mouth mouth NN 28553 3227 29 of of IN 28553 3227 30 B B NNP 28553 3227 31 A A NNP 28553 3227 32 is be VBZ 28553 3227 33 sufficient sufficient JJ 28553 3227 34 to to TO 28553 3227 35 prevent prevent VB 28553 3227 36 the the DT 28553 3227 37 formation formation NN 28553 3227 38 of of IN 28553 3227 39 a a DT 28553 3227 40 vacuum vacuum NN 28553 3227 41 . . . 28553 3228 1 THE the DT 28553 3228 2 BUCKET BUCKET NNP 28553 3228 3 PUMP PUMP NNP 28553 3228 4 . . . 28553 3229 1 We -PRON- PRP 28553 3229 2 may may MD 28553 3229 3 now now RB 28553 3229 4 pass pass VB 28553 3229 5 to to IN 28553 3229 6 the the DT 28553 3229 7 commonest common JJS 28553 3229 8 form form NN 28553 3229 9 of of IN 28553 3229 10 pump pump NN 28553 3229 11 used use VBN 28553 3229 12 in in IN 28553 3229 13 houses house NNS 28553 3229 14 , , , 28553 3229 15 stables stable NNS 28553 3229 16 , , , 28553 3229 17 gardens garden NNS 28553 3229 18 , , , 28553 3229 19 etc etc FW 28553 3229 20 . . . 28553 3230 1 ( ( -LRB- 28553 3230 2 Fig fig NN 28553 3230 3 . . . 28553 3231 1 174 174 CD 28553 3231 2 ) ) -RRB- 28553 3231 3 . . . 28553 3232 1 The the DT 28553 3232 2 piston piston NN 28553 3232 3 has have VBZ 28553 3232 4 a a DT 28553 3232 5 large large JJ 28553 3232 6 hole hole NN 28553 3232 7 through through IN 28553 3232 8 it -PRON- PRP 28553 3232 9 , , , 28553 3232 10 over over IN 28553 3232 11 the the DT 28553 3232 12 top top NN 28553 3232 13 of of IN 28553 3232 14 which which WDT 28553 3232 15 a a DT 28553 3232 16 valve valve NN 28553 3232 17 is be VBZ 28553 3232 18 hinged hinge VBN 28553 3232 19 . . . 28553 3233 1 At at IN 28553 3233 2 the the DT 28553 3233 3 bottom bottom NN 28553 3233 4 of of IN 28553 3233 5 the the DT 28553 3233 6 barrel barrel NN 28553 3233 7 is be VBZ 28553 3233 8 a a DT 28553 3233 9 second second JJ 28553 3233 10 valve valve NN 28553 3233 11 , , , 28553 3233 12 also also RB 28553 3233 13 opening open VBG 28553 3233 14 upwards upward NNS 28553 3233 15 , , , 28553 3233 16 seated seat VBN 28553 3233 17 on on IN 28553 3233 18 the the DT 28553 3233 19 top top NN 28553 3233 20 of of IN 28553 3233 21 the the DT 28553 3233 22 supply supply NN 28553 3233 23 pipe pipe NN 28553 3233 24 . . . 28553 3234 1 In in IN 28553 3234 2 sketch sketch NNP 28553 3234 3 ( ( -LRB- 28553 3234 4 _ _ NNP 28553 3234 5 a a DT 28553 3234 6 _ _ NNP 28553 3234 7 ) ) -RRB- 28553 3234 8 the the DT 28553 3234 9 first first JJ 28553 3234 10 upstroke upstroke NN 28553 3234 11 is be VBZ 28553 3234 12 in in IN 28553 3234 13 progress progress NN 28553 3234 14 . . . 28553 3235 1 A a DT 28553 3235 2 vacuum vacuum NN 28553 3235 3 forms form NNS 28553 3235 4 under under IN 28553 3235 5 the the DT 28553 3235 6 piston piston NN 28553 3235 7 , , , 28553 3235 8 or or CC 28553 3235 9 plunger plunger NN 28553 3235 10 , , , 28553 3235 11 and and CC 28553 3235 12 water water NN 28553 3235 13 rises rise VBZ 28553 3235 14 up up RP 28553 3235 15 the the DT 28553 3235 16 barrel barrel NN 28553 3235 17 to to TO 28553 3235 18 fill fill VB 28553 3235 19 it -PRON- PRP 28553 3235 20 . . . 28553 3236 1 The the DT 28553 3236 2 next next JJ 28553 3236 3 diagram diagram NN 28553 3236 4 ( ( -LRB- 28553 3236 5 _ _ NNP 28553 3236 6 b b NNP 28553 3236 7 _ _ NNP 28553 3236 8 ) ) -RRB- 28553 3236 9 shows show VBZ 28553 3236 10 the the DT 28553 3236 11 first first JJ 28553 3236 12 downstroke downstroke NN 28553 3236 13 . . . 28553 3237 1 The the DT 28553 3237 2 plunger plunger NN 28553 3237 3 valve valve NN 28553 3237 4 now now RB 28553 3237 5 opens open VBZ 28553 3237 6 and and CC 28553 3237 7 allows allow VBZ 28553 3237 8 water water NN 28553 3237 9 to to TO 28553 3237 10 rise rise VB 28553 3237 11 above above IN 28553 3237 12 the the DT 28553 3237 13 piston piston NN 28553 3237 14 , , , 28553 3237 15 while while IN 28553 3237 16 the the DT 28553 3237 17 lower low JJR 28553 3237 18 closes close NNS 28553 3237 19 under under IN 28553 3237 20 the the DT 28553 3237 21 pressure pressure NN 28553 3237 22 of of IN 28553 3237 23 the the DT 28553 3237 24 water water NN 28553 3237 25 above above RB 28553 3237 26 and and CC 28553 3237 27 the the DT 28553 3237 28 pull pull NN 28553 3237 29 of of IN 28553 3237 30 that that DT 28553 3237 31 below below RB 28553 3237 32 . . . 28553 3238 1 During during IN 28553 3238 2 the the DT 28553 3238 3 second second JJ 28553 3238 4 upstroke upstroke NN 28553 3238 5 ( ( -LRB- 28553 3238 6 _ _ NNP 28553 3238 7 c c NNP 28553 3238 8 _ _ NNP 28553 3238 9 ) ) -RRB- 28553 3238 10 the the DT 28553 3238 11 water water NN 28553 3238 12 above above IN 28553 3238 13 the the DT 28553 3238 14 piston piston NN 28553 3238 15 is be VBZ 28553 3238 16 raised raise VBN 28553 3238 17 until until IN 28553 3238 18 it -PRON- PRP 28553 3238 19 overflows overflow VBZ 28553 3238 20 through through IN 28553 3238 21 the the DT 28553 3238 22 spout spout NN 28553 3238 23 , , , 28553 3238 24 while while IN 28553 3238 25 a a DT 28553 3238 26 fresh fresh JJ 28553 3238 27 supply supply NN 28553 3238 28 is be VBZ 28553 3238 29 being be VBG 28553 3238 30 sucked suck VBN 28553 3238 31 in in RP 28553 3238 32 below below RB 28553 3238 33 . . . 28553 3239 1 [ [ -LRB- 28553 3239 2 Illustration illustration NN 28553 3239 3 : : : 28553 3239 4 FIG FIG NNP 28553 3239 5 . . . 28553 3240 1 174 174 CD 28553 3240 2 . . . 28553 3240 3 ] ] -RRB- 28553 3241 1 THE the DT 28553 3241 2 FORCE FORCE NNP 28553 3241 3 - - HYPH 28553 3241 4 PUMP PUMP NNP 28553 3241 5 . . . 28553 3242 1 [ [ -LRB- 28553 3242 2 Illustration illustration NN 28553 3242 3 : : : 28553 3242 4 FIG FIG NNP 28553 3242 5 . . . 28553 3243 1 175 175 CD 28553 3243 2 . . . 28553 3244 1 Force force NN 28553 3244 2 - - HYPH 28553 3244 3 pump pump NN 28553 3244 4 ; ; : 28553 3244 5 suction suction NN 28553 3244 6 stroke stroke NN 28553 3244 7 . . . 28553 3244 8 ] ] -RRB- 28553 3245 1 [ [ -LRB- 28553 3245 2 Illustration illustration NN 28553 3245 3 : : : 28553 3245 4 FIG FIG NNP 28553 3245 5 . . . 28553 3246 1 176 176 CD 28553 3246 2 . . . 28553 3247 1 Force force NN 28553 3247 2 - - HYPH 28553 3247 3 pump pump NN 28553 3247 4 ; ; : 28553 3247 5 delivery delivery NN 28553 3247 6 stroke stroke NN 28553 3247 7 . . . 28553 3247 8 ] ] -RRB- 28553 3248 1 For for IN 28553 3248 2 driving drive VBG 28553 3248 3 water water NN 28553 3248 4 to to IN 28553 3248 5 levels level NNS 28553 3248 6 above above IN 28553 3248 7 that that DT 28553 3248 8 of of IN 28553 3248 9 the the DT 28553 3248 10 pump pump NN 28553 3248 11 a a DT 28553 3248 12 somewhat somewhat RB 28553 3248 13 different different JJ 28553 3248 14 arrangement arrangement NN 28553 3248 15 is be VBZ 28553 3248 16 required require VBN 28553 3248 17 . . . 28553 3249 1 One one CD 28553 3249 2 type type NN 28553 3249 3 of of IN 28553 3249 4 force force NN 28553 3249 5 - - HYPH 28553 3249 6 pump pump NN 28553 3249 7 is be VBZ 28553 3249 8 shown show VBN 28553 3249 9 in in IN 28553 3249 10 Figs Figs NNP 28553 3249 11 . . . 28553 3250 1 175 175 CD 28553 3250 2 , , , 28553 3250 3 176 176 CD 28553 3250 4 . . . 28553 3251 1 The the DT 28553 3251 2 piston piston NN 28553 3251 3 now now RB 28553 3251 4 is be VBZ 28553 3251 5 solid solid JJ 28553 3251 6 , , , 28553 3251 7 and and CC 28553 3251 8 the the DT 28553 3251 9 upper upper JJ 28553 3251 10 valve valve NN 28553 3251 11 is be VBZ 28553 3251 12 situated situate VBN 28553 3251 13 in in IN 28553 3251 14 the the DT 28553 3251 15 delivery delivery NN 28553 3251 16 pipe pipe NN 28553 3251 17 . . . 28553 3252 1 During during IN 28553 3252 2 an an DT 28553 3252 3 upstroke upstroke NN 28553 3252 4 this this DT 28553 3252 5 closes close VBZ 28553 3252 6 , , , 28553 3252 7 and and CC 28553 3252 8 the the DT 28553 3252 9 other other JJ 28553 3252 10 opens open NNS 28553 3252 11 ; ; : 28553 3252 12 the the DT 28553 3252 13 reverse reverse JJ 28553 3252 14 happening happening NN 28553 3252 15 during during IN 28553 3252 16 a a DT 28553 3252 17 downstroke downstroke NN 28553 3252 18 . . . 28553 3253 1 An an DT 28553 3253 2 air air NN 28553 3253 3 - - HYPH 28553 3253 4 chamber chamber NN 28553 3253 5 is be VBZ 28553 3253 6 generally generally RB 28553 3253 7 fitted fit VBN 28553 3253 8 to to IN 28553 3253 9 the the DT 28553 3253 10 delivery delivery NN 28553 3253 11 pipe pipe NN 28553 3253 12 when when WRB 28553 3253 13 water water NN 28553 3253 14 is be VBZ 28553 3253 15 to to TO 28553 3253 16 be be VB 28553 3253 17 lifted lift VBN 28553 3253 18 to to IN 28553 3253 19 great great JJ 28553 3253 20 heights height NNS 28553 3253 21 or or CC 28553 3253 22 under under IN 28553 3253 23 high high JJ 28553 3253 24 pressure pressure NN 28553 3253 25 . . . 28553 3254 1 At at IN 28553 3254 2 each each DT 28553 3254 3 delivery delivery NN 28553 3254 4 stroke stroke VBP 28553 3254 5 the the DT 28553 3254 6 air air NN 28553 3254 7 in in IN 28553 3254 8 the the DT 28553 3254 9 chamber chamber NN 28553 3254 10 is be VBZ 28553 3254 11 compressed compress VBN 28553 3254 12 , , , 28553 3254 13 absorbing absorb VBG 28553 3254 14 some some DT 28553 3254 15 of of IN 28553 3254 16 the the DT 28553 3254 17 shock shock NN 28553 3254 18 given give VBN 28553 3254 19 to to IN 28553 3254 20 the the DT 28553 3254 21 water water NN 28553 3254 22 in in IN 28553 3254 23 the the DT 28553 3254 24 pipe pipe NN 28553 3254 25 by by IN 28553 3254 26 the the DT 28553 3254 27 water water NN 28553 3254 28 coming come VBG 28553 3254 29 from from IN 28553 3254 30 the the DT 28553 3254 31 pump pump NN 28553 3254 32 ; ; , 28553 3254 33 and and CC 28553 3254 34 its -PRON- PRP$ 28553 3254 35 expansion expansion NN 28553 3254 36 during during IN 28553 3254 37 the the DT 28553 3254 38 next next JJ 28553 3254 39 suction suction NN 28553 3254 40 stroke stroke NN 28553 3254 41 forces force VBZ 28553 3254 42 the the DT 28553 3254 43 water water NN 28553 3254 44 gradually gradually RB 28553 3254 45 up up IN 28553 3254 46 the the DT 28553 3254 47 pipe pipe NN 28553 3254 48 . . . 28553 3255 1 The the DT 28553 3255 2 air air NN 28553 3255 3 - - HYPH 28553 3255 4 chamber chamber NN 28553 3255 5 is be VBZ 28553 3255 6 a a DT 28553 3255 7 very very RB 28553 3255 8 prominent prominent JJ 28553 3255 9 feature feature NN 28553 3255 10 of of IN 28553 3255 11 the the DT 28553 3255 12 fire fire NN 28553 3255 13 - - HYPH 28553 3255 14 engine engine NN 28553 3255 15 . . . 28553 3256 1 A a DT 28553 3256 2 _ _ NNP 28553 3256 3 double double JJ 28553 3256 4 - - HYPH 28553 3256 5 action action NN 28553 3256 6 _ _ NNP 28553 3256 7 force force NN 28553 3256 8 - - HYPH 28553 3256 9 pump pump NN 28553 3256 10 is be VBZ 28553 3256 11 seen see VBN 28553 3256 12 in in IN 28553 3256 13 Fig Fig NNP 28553 3256 14 . . . 28553 3257 1 177 177 CD 28553 3257 2 , , , 28553 3257 3 making make VBG 28553 3257 4 an an DT 28553 3257 5 upward upward JJ 28553 3257 6 stroke stroke NN 28553 3257 7 . . . 28553 3258 1 Both both DT 28553 3258 2 sides side NNS 28553 3258 3 of of IN 28553 3258 4 the the DT 28553 3258 5 piston piston NN 28553 3258 6 are be VBP 28553 3258 7 here here RB 28553 3258 8 utilized utilize VBN 28553 3258 9 , , , 28553 3258 10 and and CC 28553 3258 11 the the DT 28553 3258 12 piston piston NN 28553 3258 13 rod rod NN 28553 3258 14 works work VBZ 28553 3258 15 through through IN 28553 3258 16 a a DT 28553 3258 17 water water NN 28553 3258 18 - - HYPH 28553 3258 19 tight tight JJ 28553 3258 20 stuffing stuffing NN 28553 3258 21 - - HYPH 28553 3258 22 box box NN 28553 3258 23 . . . 28553 3259 1 The the DT 28553 3259 2 action action NN 28553 3259 3 of of IN 28553 3259 4 the the DT 28553 3259 5 pump pump NN 28553 3259 6 will will MD 28553 3259 7 be be VB 28553 3259 8 easily easily RB 28553 3259 9 understood understand VBN 28553 3259 10 from from IN 28553 3259 11 the the DT 28553 3259 12 diagram diagram NN 28553 3259 13 . . . 28553 3260 1 [ [ -LRB- 28553 3260 2 Illustration illustration NN 28553 3260 3 : : : 28553 3260 4 FIG FIG NNP 28553 3260 5 . . . 28553 3261 1 177 177 CD 28553 3261 2 . . . 28553 3261 3 ] ] -RRB- 28553 3262 1 THE the DT 28553 3262 2 MOST MOST NNP 28553 3262 3 MARVELLOUS MARVELLOUS NNP 28553 3262 4 PUMP PUMP NNP 28553 3262 5 known know VBN 28553 3262 6 is be VBZ 28553 3262 7 the the DT 28553 3262 8 _ _ NNP 28553 3262 9 heart heart NN 28553 3262 10 _ _ NNP 28553 3262 11 . . . 28553 3263 1 We -PRON- PRP 28553 3263 2 give give VBP 28553 3263 3 in in IN 28553 3263 4 Fig Fig NNP 28553 3263 5 . . . 28553 3264 1 178 178 CD 28553 3264 2 a a DT 28553 3264 3 diagrammatic diagrammatic JJ 28553 3264 4 sketch sketch NN 28553 3264 5 of of IN 28553 3264 6 the the DT 28553 3264 7 system system NN 28553 3264 8 of of IN 28553 3264 9 blood blood NN 28553 3264 10 circulation circulation NN 28553 3264 11 in in IN 28553 3264 12 the the DT 28553 3264 13 human human JJ 28553 3264 14 body body NN 28553 3264 15 , , , 28553 3264 16 showing show VBG 28553 3264 17 the the DT 28553 3264 18 heart heart NN 28553 3264 19 , , , 28553 3264 20 the the DT 28553 3264 21 arteries artery NNS 28553 3264 22 , , , 28553 3264 23 and and CC 28553 3264 24 the the DT 28553 3264 25 veins vein NNS 28553 3264 26 , , , 28553 3264 27 big big JJ 28553 3264 28 and and CC 28553 3264 29 little little JJ 28553 3264 30 . . . 28553 3265 1 The the DT 28553 3265 2 body body NN 28553 3265 3 is be VBZ 28553 3265 4 supposed suppose VBN 28553 3265 5 to to TO 28553 3265 6 be be VB 28553 3265 7 facing face VBG 28553 3265 8 the the DT 28553 3265 9 reader reader NN 28553 3265 10 , , , 28553 3265 11 so so IN 28553 3265 12 that that IN 28553 3265 13 the the DT 28553 3265 14 left left JJ 28553 3265 15 lung lung NN 28553 3265 16 , , , 28553 3265 17 etc etc FW 28553 3265 18 . . FW 28553 3265 19 , , , 28553 3265 20 is be VBZ 28553 3265 21 to to IN 28553 3265 22 his -PRON- PRP$ 28553 3265 23 right right NN 28553 3265 24 . . . 28553 3266 1 [ [ -LRB- 28553 3266 2 Illustration illustration NN 28553 3266 3 : : : 28553 3266 4 FIG FIG NNP 28553 3266 5 . . . 28553 3267 1 178.--A 178.--a CD 28553 3267 2 diagrammatic diagrammatic JJ 28553 3267 3 representation representation NN 28553 3267 4 of of IN 28553 3267 5 the the DT 28553 3267 6 circulatory circulatory JJ 28553 3267 7 system system NN 28553 3267 8 of of IN 28553 3267 9 the the DT 28553 3267 10 blood blood NN 28553 3267 11 . . . 28553 3267 12 ] ] -RRB- 28553 3268 1 The the DT 28553 3268 2 heart heart NN 28553 3268 3 , , , 28553 3268 4 which which WDT 28553 3268 5 forces force VBZ 28553 3268 6 the the DT 28553 3268 7 blood blood NN 28553 3268 8 through through IN 28553 3268 9 the the DT 28553 3268 10 body body NN 28553 3268 11 , , , 28553 3268 12 is be VBZ 28553 3268 13 a a DT 28553 3268 14 large large JJ 28553 3268 15 muscle muscle NN 28553 3268 16 ( ( -LRB- 28553 3268 17 of of IN 28553 3268 18 about about RB 28553 3268 19 the the DT 28553 3268 20 size size NN 28553 3268 21 of of IN 28553 3268 22 the the DT 28553 3268 23 clenched clenched JJ 28553 3268 24 fist fist NN 28553 3268 25 ) ) -RRB- 28553 3268 26 with with IN 28553 3268 27 four four CD 28553 3268 28 cavities cavity NNS 28553 3268 29 . . . 28553 3269 1 These these DT 28553 3269 2 are be VBP 28553 3269 3 respectively respectively RB 28553 3269 4 known know VBN 28553 3269 5 as as IN 28553 3269 6 the the DT 28553 3269 7 right right NN 28553 3269 8 and and CC 28553 3269 9 left leave VBD 28553 3269 10 _ _ NNP 28553 3269 11 auricles auricle NNS 28553 3269 12 _ _ NNP 28553 3269 13 , , , 28553 3269 14 and and CC 28553 3269 15 the the DT 28553 3269 16 right right NN 28553 3269 17 and and CC 28553 3269 18 left leave VBD 28553 3269 19 _ _ NNP 28553 3269 20 ventricles ventricle NNS 28553 3269 21 _ _ NNP 28553 3269 22 . . . 28553 3270 1 They -PRON- PRP 28553 3270 2 are be VBP 28553 3270 3 arranged arrange VBN 28553 3270 4 in in IN 28553 3270 5 two two CD 28553 3270 6 pairs pair NNS 28553 3270 7 , , , 28553 3270 8 the the DT 28553 3270 9 auricle auricle NN 28553 3270 10 uppermost uppermost VBD 28553 3270 11 , , , 28553 3270 12 separated separate VBN 28553 3270 13 by by IN 28553 3270 14 a a DT 28553 3270 15 fleshy fleshy NN 28553 3270 16 partition partition NN 28553 3270 17 . . . 28553 3271 1 Between between IN 28553 3271 2 each each DT 28553 3271 3 auricle auricle NN 28553 3271 4 and and CC 28553 3271 5 its -PRON- PRP$ 28553 3271 6 ventricle ventricle NN 28553 3271 7 is be VBZ 28553 3271 8 a a DT 28553 3271 9 valve valve NN 28553 3271 10 , , , 28553 3271 11 which which WDT 28553 3271 12 consists consist VBZ 28553 3271 13 of of IN 28553 3271 14 strong strong JJ 28553 3271 15 membranous membranous JJ 28553 3271 16 flaps flap NNS 28553 3271 17 , , , 28553 3271 18 with with IN 28553 3271 19 loose loose JJ 28553 3271 20 edges edge NNS 28553 3271 21 turned turn VBD 28553 3271 22 downwards downwards RB 28553 3271 23 . . . 28553 3272 1 The the DT 28553 3272 2 left left JJ 28553 3272 3 - - HYPH 28553 3272 4 side side NN 28553 3272 5 valve valve NN 28553 3272 6 is be VBZ 28553 3272 7 the the DT 28553 3272 8 _ _ NNP 28553 3272 9 mitral mitral NN 28553 3272 10 _ _ NNP 28553 3272 11 valve valve NN 28553 3272 12 , , , 28553 3272 13 that that IN 28553 3272 14 between between IN 28553 3272 15 the the DT 28553 3272 16 right right JJ 28553 3272 17 auricle auricle NN 28553 3272 18 and and CC 28553 3272 19 ventricle ventricle NN 28553 3272 20 the the DT 28553 3272 21 _ _ NNP 28553 3272 22 tricuspid tricuspid NN 28553 3272 23 _ _ NNP 28553 3272 24 valve valve NN 28553 3272 25 . . . 28553 3273 1 The the DT 28553 3273 2 edges edge NNS 28553 3273 3 of of IN 28553 3273 4 the the DT 28553 3273 5 valves valve NNS 28553 3273 6 fall fall VBP 28553 3273 7 together together RB 28553 3273 8 when when WRB 28553 3273 9 the the DT 28553 3273 10 heart heart NN 28553 3273 11 contracts contract VBZ 28553 3273 12 , , , 28553 3273 13 and and CC 28553 3273 14 prevent prevent VB 28553 3273 15 the the DT 28553 3273 16 passage passage NN 28553 3273 17 of of IN 28553 3273 18 blood blood NN 28553 3273 19 . . . 28553 3274 1 Each each DT 28553 3274 2 ventricle ventricle NN 28553 3274 3 has have VBZ 28553 3274 4 a a DT 28553 3274 5 second second JJ 28553 3274 6 valve valve NN 28553 3274 7 through through IN 28553 3274 8 which which WDT 28553 3274 9 it -PRON- PRP 28553 3274 10 ejects eject VBZ 28553 3274 11 the the DT 28553 3274 12 blood blood NN 28553 3274 13 . . . 28553 3275 1 ( ( -LRB- 28553 3275 2 That that DT 28553 3275 3 of of IN 28553 3275 4 the the DT 28553 3275 5 right right JJ 28553 3275 6 ventricle ventricle NN 28553 3275 7 has have VBZ 28553 3275 8 been be VBN 28553 3275 9 shown show VBN 28553 3275 10 double double JJ 28553 3275 11 for for IN 28553 3275 12 the the DT 28553 3275 13 sake sake NN 28553 3275 14 of of IN 28553 3275 15 convenience convenience NN 28553 3275 16 . . . 28553 3275 17 ) ) -RRB- 28553 3276 1 The the DT 28553 3276 2 action action NN 28553 3276 3 of of IN 28553 3276 4 the the DT 28553 3276 5 heart heart NN 28553 3276 6 is be VBZ 28553 3276 7 this:--The this:--The NFP 28553 3276 8 auricles auricle NNS 28553 3276 9 and and CC 28553 3276 10 ventricles ventricle NNS 28553 3276 11 expand expand VBP 28553 3276 12 ; ; : 28553 3276 13 blood blood NN 28553 3276 14 rushes rush VBZ 28553 3276 15 into into IN 28553 3276 16 the the DT 28553 3276 17 auricles auricle NNS 28553 3276 18 from from IN 28553 3276 19 the the DT 28553 3276 20 channels channel NNS 28553 3276 21 supplying supply VBG 28553 3276 22 them -PRON- PRP 28553 3276 23 , , , 28553 3276 24 and and CC 28553 3276 25 distends distend VBZ 28553 3276 26 them -PRON- PRP 28553 3276 27 and and CC 28553 3276 28 the the DT 28553 3276 29 ventricles ventricle NNS 28553 3276 30 ; ; : 28553 3276 31 the the DT 28553 3276 32 auricles auricle NNS 28553 3276 33 contract contract VBP 28553 3276 34 and and CC 28553 3276 35 fill fill VB 28553 3276 36 the the DT 28553 3276 37 ventricles ventricle NNS 28553 3276 38 below below RB 28553 3276 39 quite quite RB 28553 3276 40 full full JJ 28553 3276 41 ( ( -LRB- 28553 3276 42 there there EX 28553 3276 43 are be VBP 28553 3276 44 no no DT 28553 3276 45 valves valve NNS 28553 3276 46 above above IN 28553 3276 47 the the DT 28553 3276 48 auricles auricle NNS 28553 3276 49 , , , 28553 3276 50 but but CC 28553 3276 51 the the DT 28553 3276 52 force force NN 28553 3276 53 of of IN 28553 3276 54 contraction contraction NN 28553 3276 55 is be VBZ 28553 3276 56 not not RB 28553 3276 57 sufficient sufficient JJ 28553 3276 58 to to TO 28553 3276 59 return return VB 28553 3276 60 the the DT 28553 3276 61 blood blood NN 28553 3276 62 to to IN 28553 3276 63 the the DT 28553 3276 64 veins vein NNS 28553 3276 65 ) ) -RRB- 28553 3276 66 ; ; : 28553 3276 67 the the DT 28553 3276 68 ventricles ventricle NNS 28553 3276 69 contract contract NN 28553 3276 70 ; ; : 28553 3276 71 the the DT 28553 3276 72 mitral mitral JJ 28553 3276 73 and and CC 28553 3276 74 tricuspid tricuspid NN 28553 3276 75 valves valve NNS 28553 3276 76 close close JJ 28553 3276 77 ; ; : 28553 3276 78 the the DT 28553 3276 79 valves valve NNS 28553 3276 80 leading lead VBG 28553 3276 81 to to IN 28553 3276 82 the the DT 28553 3276 83 arteries artery NNS 28553 3276 84 open open JJ 28553 3276 85 ; ; : 28553 3276 86 blood blood NN 28553 3276 87 is be VBZ 28553 3276 88 forced force VBN 28553 3276 89 out out IN 28553 3276 90 of of IN 28553 3276 91 the the DT 28553 3276 92 ventricles ventricle NNS 28553 3276 93 . . . 28553 3277 1 THE the DT 28553 3277 2 BLOOD blood NN 28553 3277 3 CHANNELS channels NN 28553 3277 4 are be VBP 28553 3277 5 of of IN 28553 3277 6 two two CD 28553 3277 7 kinds--(1 kinds--(1 NNS 28553 3277 8 ) ) -RRB- 28553 3277 9 The the DT 28553 3277 10 _ _ NNP 28553 3277 11 arteries artery NNS 28553 3277 12 _ _ NNP 28553 3277 13 , , , 28553 3277 14 which which WDT 28553 3277 15 lead lead VBP 28553 3277 16 the the DT 28553 3277 17 blood blood NN 28553 3277 18 into into IN 28553 3277 19 the the DT 28553 3277 20 circulatory circulatory JJ 28553 3277 21 system system NN 28553 3277 22 ; ; : 28553 3277 23 ( ( -LRB- 28553 3277 24 2 2 LS 28553 3277 25 ) ) -RRB- 28553 3277 26 the the DT 28553 3277 27 _ _ NNP 28553 3277 28 veins vein NNS 28553 3277 29 _ _ NNP 28553 3277 30 , , , 28553 3277 31 which which WDT 28553 3277 32 lead lead VBP 28553 3277 33 the the DT 28553 3277 34 blood blood NN 28553 3277 35 back back RB 28553 3277 36 to to IN 28553 3277 37 the the DT 28553 3277 38 heart heart NN 28553 3277 39 . . . 28553 3278 1 The the DT 28553 3278 2 arteries artery NNS 28553 3278 3 divide divide VBP 28553 3278 4 up up RP 28553 3278 5 into into IN 28553 3278 6 branches branch NNS 28553 3278 7 , , , 28553 3278 8 and and CC 28553 3278 9 these these DT 28553 3278 10 again again RB 28553 3278 11 divide divide VBP 28553 3278 12 into into IN 28553 3278 13 smaller small JJR 28553 3278 14 and and CC 28553 3278 15 smaller small JJR 28553 3278 16 arteries artery NNS 28553 3278 17 . . . 28553 3279 1 The the DT 28553 3279 2 smallest small JJS 28553 3279 3 , , , 28553 3279 4 termed term VBN 28553 3279 5 _ _ NNP 28553 3279 6 capillaries capillary NNS 28553 3279 7 _ _ NNP 28553 3279 8 ( ( -LRB- 28553 3279 9 Latin Latin NNP 28553 3279 10 , , , 28553 3279 11 _ _ NNP 28553 3279 12 capillus capillus NN 28553 3279 13 _ _ NNP 28553 3279 14 , , , 28553 3279 15 a a DT 28553 3279 16 hair hair NN 28553 3279 17 ) ) -RRB- 28553 3279 18 , , , 28553 3279 19 are be VBP 28553 3279 20 minute minute NN 28553 3279 21 tubes tube NNS 28553 3279 22 having have VBG 28553 3279 23 an an DT 28553 3279 24 average average JJ 28553 3279 25 diameter diameter NN 28553 3279 26 of of IN 28553 3279 27 1/3000th 1/3000th CD 28553 3279 28 of of IN 28553 3279 29 an an DT 28553 3279 30 inch inch NN 28553 3279 31 . . . 28553 3280 1 These these DT 28553 3280 2 permeate permeate VBP 28553 3280 3 every every DT 28553 3280 4 part part NN 28553 3280 5 of of IN 28553 3280 6 the the DT 28553 3280 7 body body NN 28553 3280 8 . . . 28553 3281 1 The the DT 28553 3281 2 capillary capillary JJ 28553 3281 3 arteries artery NNS 28553 3281 4 lead lead VBP 28553 3281 5 into into IN 28553 3281 6 the the DT 28553 3281 7 smallest small JJS 28553 3281 8 veins vein NNS 28553 3281 9 , , , 28553 3281 10 which which WDT 28553 3281 11 unite unite VBP 28553 3281 12 to to TO 28553 3281 13 form form VB 28553 3281 14 larger large JJR 28553 3281 15 and and CC 28553 3281 16 larger large JJR 28553 3281 17 veins vein NNS 28553 3281 18 , , , 28553 3281 19 until until IN 28553 3281 20 what what WP 28553 3281 21 we -PRON- PRP 28553 3281 22 may may MD 28553 3281 23 call call VB 28553 3281 24 the the DT 28553 3281 25 main main JJ 28553 3281 26 streams stream NNS 28553 3281 27 are be VBP 28553 3281 28 reached reach VBN 28553 3281 29 . . . 28553 3282 1 Through through IN 28553 3282 2 these these DT 28553 3282 3 the the DT 28553 3282 4 blood blood NN 28553 3282 5 flows flow VBZ 28553 3282 6 to to IN 28553 3282 7 the the DT 28553 3282 8 heart heart NN 28553 3282 9 . . . 28553 3283 1 There there EX 28553 3283 2 are be VBP 28553 3283 3 three three CD 28553 3283 4 main main JJ 28553 3283 5 points point NNS 28553 3283 6 of of IN 28553 3283 7 difference difference NN 28553 3283 8 between between IN 28553 3283 9 arteries artery NNS 28553 3283 10 and and CC 28553 3283 11 veins vein NNS 28553 3283 12 . . . 28553 3284 1 In in IN 28553 3284 2 the the DT 28553 3284 3 first first JJ 28553 3284 4 place place NN 28553 3284 5 , , , 28553 3284 6 the the DT 28553 3284 7 larger large JJR 28553 3284 8 arteries artery NNS 28553 3284 9 have have VBP 28553 3284 10 thick thick JJ 28553 3284 11 elastic elastic JJ 28553 3284 12 walls wall NNS 28553 3284 13 , , , 28553 3284 14 and and CC 28553 3284 15 maintain maintain VB 28553 3284 16 their -PRON- PRP$ 28553 3284 17 shape shape NN 28553 3284 18 even even RB 28553 3284 19 when when WRB 28553 3284 20 empty empty JJ 28553 3284 21 . . . 28553 3285 1 This this DT 28553 3285 2 elasticity elasticity NN 28553 3285 3 performs perform VBZ 28553 3285 4 the the DT 28553 3285 5 function function NN 28553 3285 6 of of IN 28553 3285 7 the the DT 28553 3285 8 air air NN 28553 3285 9 - - HYPH 28553 3285 10 chamber chamber NN 28553 3285 11 of of IN 28553 3285 12 the the DT 28553 3285 13 force force NN 28553 3285 14 - - HYPH 28553 3285 15 pump pump NN 28553 3285 16 . . . 28553 3286 1 When when WRB 28553 3286 2 the the DT 28553 3286 3 ventricles ventricle NNS 28553 3286 4 contract contract NN 28553 3286 5 , , , 28553 3286 6 driving drive VBG 28553 3286 7 blood blood NN 28553 3286 8 into into IN 28553 3286 9 the the DT 28553 3286 10 arteries artery NNS 28553 3286 11 , , , 28553 3286 12 the the DT 28553 3286 13 walls wall NNS 28553 3286 14 of of IN 28553 3286 15 the the DT 28553 3286 16 latter latter JJ 28553 3286 17 expand expand NN 28553 3286 18 , , , 28553 3286 19 and and CC 28553 3286 20 their -PRON- PRP$ 28553 3286 21 contraction contraction NN 28553 3286 22 pushes push VBZ 28553 3286 23 the the DT 28553 3286 24 blood blood NN 28553 3286 25 steadily steadily RB 28553 3286 26 forward forward RB 28553 3286 27 without without IN 28553 3286 28 shock shock NN 28553 3286 29 . . . 28553 3287 1 The the DT 28553 3287 2 capillaries capillary NNS 28553 3287 3 have have VBP 28553 3287 4 very very RB 28553 3287 5 thin thin JJ 28553 3287 6 walls wall NNS 28553 3287 7 , , , 28553 3287 8 so so IN 28553 3287 9 that that IN 28553 3287 10 fluids fluid NNS 28553 3287 11 pass pass VBP 28553 3287 12 through through IN 28553 3287 13 them -PRON- PRP 28553 3287 14 to to IN 28553 3287 15 and and CC 28553 3287 16 from from IN 28553 3287 17 the the DT 28553 3287 18 body body NN 28553 3287 19 , , , 28553 3287 20 feeding feed VBG 28553 3287 21 it -PRON- PRP 28553 3287 22 and and CC 28553 3287 23 taking take VBG 28553 3287 24 out out RP 28553 3287 25 waste waste NN 28553 3287 26 matter matter NN 28553 3287 27 . . . 28553 3288 1 The the DT 28553 3288 2 veins vein NNS 28553 3288 3 are be VBP 28553 3288 4 all all DT 28553 3288 5 thin thin JJ 28553 3288 6 - - HYPH 28553 3288 7 walled walled JJ 28553 3288 8 , , , 28553 3288 9 and and CC 28553 3288 10 collapse collapse VB 28553 3288 11 when when WRB 28553 3288 12 empty empty JJ 28553 3288 13 . . . 28553 3289 1 Secondly secondly RB 28553 3289 2 , , , 28553 3289 3 most most JJS 28553 3289 4 veins vein NNS 28553 3289 5 are be VBP 28553 3289 6 furnished furnish VBN 28553 3289 7 with with IN 28553 3289 8 valves valve NNS 28553 3289 9 , , , 28553 3289 10 which which WDT 28553 3289 11 prevent prevent VBP 28553 3289 12 blood blood NN 28553 3289 13 flowing flow VBG 28553 3289 14 the the DT 28553 3289 15 wrong wrong JJ 28553 3289 16 way way NN 28553 3289 17 . . . 28553 3290 1 These these DT 28553 3290 2 are be VBP 28553 3290 3 similar similar JJ 28553 3290 4 in in IN 28553 3290 5 principle principle NN 28553 3290 6 to to IN 28553 3290 7 those those DT 28553 3290 8 of of IN 28553 3290 9 the the DT 28553 3290 10 heart heart NN 28553 3290 11 . . . 28553 3291 1 Arteries artery NNS 28553 3291 2 have have VBP 28553 3291 3 no no DT 28553 3291 4 valves valve NNS 28553 3291 5 . . . 28553 3292 1 Thirdly thirdly RB 28553 3292 2 , , , 28553 3292 3 arteries artery NNS 28553 3292 4 are be VBP 28553 3292 5 generally generally RB 28553 3292 6 deeply deeply RB 28553 3292 7 set set VBN 28553 3292 8 , , , 28553 3292 9 while while IN 28553 3292 10 many many JJ 28553 3292 11 of of IN 28553 3292 12 the the DT 28553 3292 13 veins vein NNS 28553 3292 14 run run VBN 28553 3292 15 near near IN 28553 3292 16 the the DT 28553 3292 17 surface surface NN 28553 3292 18 of of IN 28553 3292 19 the the DT 28553 3292 20 body body NN 28553 3292 21 . . . 28553 3293 1 Those those DT 28553 3293 2 on on IN 28553 3293 3 the the DT 28553 3293 4 front front NN 28553 3293 5 of of IN 28553 3293 6 the the DT 28553 3293 7 arm arm NN 28553 3293 8 are be VBP 28553 3293 9 specially specially RB 28553 3293 10 visible visible JJ 28553 3293 11 . . . 28553 3294 1 Place place VB 28553 3294 2 your -PRON- PRP$ 28553 3294 3 thumb thumb NN 28553 3294 4 on on IN 28553 3294 5 them -PRON- PRP 28553 3294 6 and and CC 28553 3294 7 run run VB 28553 3294 8 it -PRON- PRP 28553 3294 9 along along RP 28553 3294 10 towards towards IN 28553 3294 11 the the DT 28553 3294 12 wrist wrist NN 28553 3294 13 , , , 28553 3294 14 and and CC 28553 3294 15 you -PRON- PRP 28553 3294 16 will will MD 28553 3294 17 notice notice VB 28553 3294 18 that that IN 28553 3294 19 the the DT 28553 3294 20 veins vein NNS 28553 3294 21 distend distend VBP 28553 3294 22 owing owe VBG 28553 3294 23 to to IN 28553 3294 24 the the DT 28553 3294 25 closing closing NN 28553 3294 26 of of IN 28553 3294 27 the the DT 28553 3294 28 valves valve NNS 28553 3294 29 just just RB 28553 3294 30 mentioned mention VBN 28553 3294 31 . . . 28553 3295 1 Arterial arterial JJ 28553 3295 2 blood blood NN 28553 3295 3 is be VBZ 28553 3295 4 _ _ NNP 28553 3295 5 red red NNP 28553 3295 6 _ _ NNP 28553 3295 7 , , , 28553 3295 8 and and CC 28553 3295 9 comes come VBZ 28553 3295 10 out out RP 28553 3295 11 from from IN 28553 3295 12 a a DT 28553 3295 13 cut cut NN 28553 3295 14 in in IN 28553 3295 15 gulps gulps NN 28553 3295 16 , , , 28553 3295 17 on on IN 28553 3295 18 account account NN 28553 3295 19 of of IN 28553 3295 20 the the DT 28553 3295 21 contraction contraction NN 28553 3295 22 of of IN 28553 3295 23 the the DT 28553 3295 24 elastic elastic JJ 28553 3295 25 walls wall NNS 28553 3295 26 . . . 28553 3296 1 If if IN 28553 3296 2 you -PRON- PRP 28553 3296 3 cut cut VBP 28553 3296 4 a a DT 28553 3296 5 vein vein NN 28553 3296 6 , , , 28553 3296 7 _ _ NNP 28553 3296 8 blue blue JJ 28553 3296 9 _ _ NNP 28553 3296 10 blood blood NN 28553 3296 11 issues issue NNS 28553 3296 12 in in IN 28553 3296 13 a a DT 28553 3296 14 steady steady JJ 28553 3296 15 stream stream NN 28553 3296 16 . . . 28553 3297 1 The the DT 28553 3297 2 change change NN 28553 3297 3 of of IN 28553 3297 4 colour colour NN 28553 3297 5 is be VBZ 28553 3297 6 caused cause VBN 28553 3297 7 by by IN 28553 3297 8 the the DT 28553 3297 9 loss loss NN 28553 3297 10 of of IN 28553 3297 11 oxygen oxygen NN 28553 3297 12 during during IN 28553 3297 13 the the DT 28553 3297 14 passage passage NN 28553 3297 15 of of IN 28553 3297 16 the the DT 28553 3297 17 blood blood NN 28553 3297 18 through through IN 28553 3297 19 the the DT 28553 3297 20 capillaries capillary NNS 28553 3297 21 , , , 28553 3297 22 and and CC 28553 3297 23 the the DT 28553 3297 24 absorption absorption NN 28553 3297 25 of of IN 28553 3297 26 carbon carbon NN 28553 3297 27 dioxide dioxide NN 28553 3297 28 from from IN 28553 3297 29 the the DT 28553 3297 30 tissues tissue NNS 28553 3297 31 . . . 28553 3298 1 The the DT 28553 3298 2 _ _ NNP 28553 3298 3 lungs lung NNS 28553 3298 4 _ _ NNP 28553 3298 5 are be VBP 28553 3298 6 two two CD 28553 3298 7 of of IN 28553 3298 8 the the DT 28553 3298 9 great great JJ 28553 3298 10 purifiers purifier NNS 28553 3298 11 of of IN 28553 3298 12 the the DT 28553 3298 13 blood blood NN 28553 3298 14 . . . 28553 3299 1 As as IN 28553 3299 2 it -PRON- PRP 28553 3299 3 circulates circulate VBZ 28553 3299 4 through through IN 28553 3299 5 them -PRON- PRP 28553 3299 6 , , , 28553 3299 7 it -PRON- PRP 28553 3299 8 gives give VBZ 28553 3299 9 up up RP 28553 3299 10 the the DT 28553 3299 11 carbon carbon NN 28553 3299 12 dioxide dioxide NN 28553 3299 13 which which WDT 28553 3299 14 it -PRON- PRP 28553 3299 15 has have VBZ 28553 3299 16 absorbed absorb VBN 28553 3299 17 , , , 28553 3299 18 and and CC 28553 3299 19 receives receive VBZ 28553 3299 20 pure pure JJ 28553 3299 21 oxygen oxygen NN 28553 3299 22 in in IN 28553 3299 23 exchange exchange NN 28553 3299 24 . . . 28553 3300 1 If if IN 28553 3300 2 the the DT 28553 3300 3 air air NN 28553 3300 4 of of IN 28553 3300 5 a a DT 28553 3300 6 room room NN 28553 3300 7 is be VBZ 28553 3300 8 " " `` 28553 3300 9 foul foul JJ 28553 3300 10 , , , 28553 3300 11 " " '' 28553 3300 12 the the DT 28553 3300 13 blood blood NN 28553 3300 14 does do VBZ 28553 3300 15 not not RB 28553 3300 16 get get VB 28553 3300 17 the the DT 28553 3300 18 proper proper JJ 28553 3300 19 amount amount NN 28553 3300 20 of of IN 28553 3300 21 oxygen oxygen NN 28553 3300 22 . . . 28553 3301 1 For for IN 28553 3301 2 this this DT 28553 3301 3 reason reason NN 28553 3301 4 it -PRON- PRP 28553 3301 5 is be VBZ 28553 3301 6 advisable advisable JJ 28553 3301 7 for for IN 28553 3301 8 us -PRON- PRP 28553 3301 9 to to TO 28553 3301 10 keep keep VB 28553 3301 11 the the DT 28553 3301 12 windows window NNS 28553 3301 13 of of IN 28553 3301 14 our -PRON- PRP$ 28553 3301 15 rooms room NNS 28553 3301 16 open open VBP 28553 3301 17 as as RB 28553 3301 18 much much RB 28553 3301 19 as as IN 28553 3301 20 possible possible JJ 28553 3301 21 both both CC 28553 3301 22 day day NN 28553 3301 23 and and CC 28553 3301 24 night night NN 28553 3301 25 . . . 28553 3302 1 Fatigue fatigue NN 28553 3302 2 is be VBZ 28553 3302 3 caused cause VBN 28553 3302 4 by by IN 28553 3302 5 the the DT 28553 3302 6 accumulation accumulation NN 28553 3302 7 of of IN 28553 3302 8 carbon carbon NN 28553 3302 9 dioxide dioxide NN 28553 3302 10 and and CC 28553 3302 11 other other JJ 28553 3302 12 impurities impurity NNS 28553 3302 13 in in IN 28553 3302 14 the the DT 28553 3302 15 blood blood NN 28553 3302 16 . . . 28553 3303 1 When when WRB 28553 3303 2 we -PRON- PRP 28553 3303 3 run run VBP 28553 3303 4 , , , 28553 3303 5 the the DT 28553 3303 6 heart heart NN 28553 3303 7 pumps pump VBZ 28553 3303 8 blood blood NN 28553 3303 9 through through IN 28553 3303 10 the the DT 28553 3303 11 lungs lung NNS 28553 3303 12 faster fast RBR 28553 3303 13 than than IN 28553 3303 14 they -PRON- PRP 28553 3303 15 can can MD 28553 3303 16 purify purify VB 28553 3303 17 it -PRON- PRP 28553 3303 18 , , , 28553 3303 19 and and CC 28553 3303 20 eventually eventually RB 28553 3303 21 our -PRON- PRP$ 28553 3303 22 muscles muscle NNS 28553 3303 23 become become VBP 28553 3303 24 poisoned poisoned JJ 28553 3303 25 to to IN 28553 3303 26 such such PDT 28553 3303 27 an an DT 28553 3303 28 extent extent NN 28553 3303 29 that that IN 28553 3303 30 we -PRON- PRP 28553 3303 31 have have VBP 28553 3303 32 to to TO 28553 3303 33 stop stop VB 28553 3303 34 from from IN 28553 3303 35 sheer sheer JJ 28553 3303 36 exhaustion exhaustion NN 28553 3303 37 . . . 28553 3304 1 THE the DT 28553 3304 2 COURSE course NN 28553 3304 3 OF of IN 28553 3304 4 THE the DT 28553 3304 5 BLOOD blood NN 28553 3304 6 . . . 28553 3305 1 It -PRON- PRP 28553 3305 2 takes take VBZ 28553 3305 3 rather rather RB 28553 3305 4 less less JJR 28553 3305 5 than than IN 28553 3305 6 a a DT 28553 3305 7 minute minute NN 28553 3305 8 for for IN 28553 3305 9 a a DT 28553 3305 10 drop drop NN 28553 3305 11 of of IN 28553 3305 12 blood blood NN 28553 3305 13 to to TO 28553 3305 14 circulate circulate VB 28553 3305 15 from from IN 28553 3305 16 the the DT 28553 3305 17 heart heart NN 28553 3305 18 through through IN 28553 3305 19 the the DT 28553 3305 20 whole whole JJ 28553 3305 21 system system NN 28553 3305 22 and and CC 28553 3305 23 back back RB 28553 3305 24 to to IN 28553 3305 25 the the DT 28553 3305 26 heart heart NN 28553 3305 27 . . . 28553 3306 1 We -PRON- PRP 28553 3306 2 may may MD 28553 3306 3 briefly briefly RB 28553 3306 4 summarize summarize VB 28553 3306 5 the the DT 28553 3306 6 course course NN 28553 3306 7 of of IN 28553 3306 8 the the DT 28553 3306 9 circulation circulation NN 28553 3306 10 of of IN 28553 3306 11 the the DT 28553 3306 12 blood blood NN 28553 3306 13 thus:--It thus:--It : 28553 3306 14 is be VBZ 28553 3306 15 expelled expel VBN 28553 3306 16 from from IN 28553 3306 17 the the DT 28553 3306 18 left left JJ 28553 3306 19 ventricle ventricle NN 28553 3306 20 into into IN 28553 3306 21 the the DT 28553 3306 22 _ _ NNP 28553 3306 23 aorta aorta NNP 28553 3306 24 _ _ NNP 28553 3306 25 and and CC 28553 3306 26 the the DT 28553 3306 27 main main JJ 28553 3306 28 arteries artery NNS 28553 3306 29 , , , 28553 3306 30 whence whence NN 28553 3306 31 it -PRON- PRP 28553 3306 32 passes pass VBZ 28553 3306 33 into into IN 28553 3306 34 the the DT 28553 3306 35 smaller small JJR 28553 3306 36 arteries artery NNS 28553 3306 37 , , , 28553 3306 38 and and CC 28553 3306 39 thence thence NN 28553 3306 40 into into IN 28553 3306 41 the the DT 28553 3306 42 capillaries capillary NNS 28553 3306 43 of of IN 28553 3306 44 the the DT 28553 3306 45 brain brain NN 28553 3306 46 , , , 28553 3306 47 stomach stomach NN 28553 3306 48 , , , 28553 3306 49 kidneys kidney NNS 28553 3306 50 , , , 28553 3306 51 etc etc FW 28553 3306 52 . . . 28553 3307 1 It -PRON- PRP 28553 3307 2 here here RB 28553 3307 3 imparts impart VBZ 28553 3307 4 oxygen oxygen NN 28553 3307 5 to to IN 28553 3307 6 the the DT 28553 3307 7 body body NN 28553 3307 8 , , , 28553 3307 9 and and CC 28553 3307 10 takes take VBZ 28553 3307 11 in in IN 28553 3307 12 impurities impurity NNS 28553 3307 13 . . . 28553 3308 1 It -PRON- PRP 28553 3308 2 then then RB 28553 3308 3 enters enter VBZ 28553 3308 4 the the DT 28553 3308 5 veins vein NNS 28553 3308 6 , , , 28553 3308 7 and and CC 28553 3308 8 through through IN 28553 3308 9 them -PRON- PRP 28553 3308 10 flows flow VBZ 28553 3308 11 back back RB 28553 3308 12 to to IN 28553 3308 13 the the DT 28553 3308 14 right right JJ 28553 3308 15 auricle auricle NN 28553 3308 16 ; ; : 28553 3308 17 is be VBZ 28553 3308 18 driven drive VBN 28553 3308 19 into into IN 28553 3308 20 the the DT 28553 3308 21 right right JJ 28553 3308 22 ventricle ventricle NN 28553 3308 23 ; ; : 28553 3308 24 is be VBZ 28553 3308 25 expelled expel VBN 28553 3308 26 into into IN 28553 3308 27 the the DT 28553 3308 28 _ _ NNP 28553 3308 29 pulmonary pulmonary NN 28553 3308 30 _ _ NNP 28553 3308 31 ( ( -LRB- 28553 3308 32 lung lung NNP 28553 3308 33 ) ) -RRB- 28553 3308 34 _ _ NNP 28553 3308 35 arteries artery NNS 28553 3308 36 _ _ NNP 28553 3308 37 ; ; : 28553 3308 38 enters enter VBZ 28553 3308 39 the the DT 28553 3308 40 lungs lung NNS 28553 3308 41 , , , 28553 3308 42 and and CC 28553 3308 43 is be VBZ 28553 3308 44 purified purify VBN 28553 3308 45 . . . 28553 3309 1 It -PRON- PRP 28553 3309 2 returns return VBZ 28553 3309 3 to to IN 28553 3309 4 the the DT 28553 3309 5 left left JJ 28553 3309 6 auricle auricle NN 28553 3309 7 through through IN 28553 3309 8 the the DT 28553 3309 9 _ _ NNP 28553 3309 10 pulmonary pulmonary NN 28553 3309 11 veins vein NNS 28553 3309 12 _ _ NNP 28553 3309 13 ; ; : 28553 3309 14 enters enter VBZ 28553 3309 15 the the DT 28553 3309 16 left left JJ 28553 3309 17 auricle auricle NN 28553 3309 18 , , , 28553 3309 19 passes pass VBZ 28553 3309 20 to to IN 28553 3309 21 left left JJ 28553 3309 22 ventricle ventricle NN 28553 3309 23 , , , 28553 3309 24 and and CC 28553 3309 25 so so RB 28553 3309 26 on on RB 28553 3309 27 . . . 28553 3310 1 A a DT 28553 3310 2 healthy healthy JJ 28553 3310 3 heart heart NN 28553 3310 4 beats beat NNS 28553 3310 5 from from IN 28553 3310 6 120 120 CD 28553 3310 7 times time NNS 28553 3310 8 per per IN 28553 3310 9 minute minute NN 28553 3310 10 in in IN 28553 3310 11 a a DT 28553 3310 12 one one CD 28553 3310 13 - - HYPH 28553 3310 14 year year NN 28553 3310 15 - - HYPH 28553 3310 16 old old JJ 28553 3310 17 infant infant NN 28553 3310 18 to to IN 28553 3310 19 60 60 CD 28553 3310 20 per per IN 28553 3310 21 minute minute NN 28553 3310 22 in in IN 28553 3310 23 a a DT 28553 3310 24 very very RB 28553 3310 25 aged age VBN 28553 3310 26 person person NN 28553 3310 27 . . . 28553 3311 1 The the DT 28553 3311 2 normal normal JJ 28553 3311 3 rate rate NN 28553 3311 4 for for IN 28553 3311 5 a a DT 28553 3311 6 middle middle JJ 28553 3311 7 - - HYPH 28553 3311 8 aged aged JJ 28553 3311 9 adult adult NN 28553 3311 10 is be VBZ 28553 3311 11 from from IN 28553 3311 12 80 80 CD 28553 3311 13 to to TO 28553 3311 14 70 70 CD 28553 3311 15 beats beat NNS 28553 3311 16 . . . 28553 3312 1 Heart heart NN 28553 3312 2 disease disease NN 28553 3312 3 signifies signify VBZ 28553 3312 4 the the DT 28553 3312 5 failure failure NN 28553 3312 6 of of IN 28553 3312 7 the the DT 28553 3312 8 heart heart NN 28553 3312 9 valves valve VBZ 28553 3312 10 to to TO 28553 3312 11 close close VB 28553 3312 12 properly properly RB 28553 3312 13 . . . 28553 3313 1 Blood blood NN 28553 3313 2 passes pass VBZ 28553 3313 3 back back RB 28553 3313 4 when when WRB 28553 3313 5 the the DT 28553 3313 6 heart heart NN 28553 3313 7 contracts contract NNS 28553 3313 8 , , , 28553 3313 9 and and CC 28553 3313 10 the the DT 28553 3313 11 circulation circulation NN 28553 3313 12 is be VBZ 28553 3313 13 much much RB 28553 3313 14 enfeebled enfeeble VBN 28553 3313 15 . . . 28553 3314 1 By by IN 28553 3314 2 listening listen VBG 28553 3314 3 through through IN 28553 3314 4 a a DT 28553 3314 5 stethoscope stethoscope NN 28553 3314 6 the the DT 28553 3314 7 doctor doctor NN 28553 3314 8 is be VBZ 28553 3314 9 able able JJ 28553 3314 10 to to TO 28553 3314 11 tell tell VB 28553 3314 12 whether whether IN 28553 3314 13 the the DT 28553 3314 14 valves valve NNS 28553 3314 15 are be VBP 28553 3314 16 in in IN 28553 3314 17 good good JJ 28553 3314 18 order order NN 28553 3314 19 . . . 28553 3315 1 A a DT 28553 3315 2 hissing hissing JJ 28553 3315 3 sound sound NN 28553 3315 4 during during IN 28553 3315 5 the the DT 28553 3315 6 beat beat NN 28553 3315 7 indicates indicate VBZ 28553 3315 8 a a DT 28553 3315 9 leakage leakage NN 28553 3315 10 past past IN 28553 3315 11 the the DT 28553 3315 12 valves valve NNS 28553 3315 13 ; ; : 28553 3315 14 a a DT 28553 3315 15 thump thump NN 28553 3315 16 , , , 28553 3315 17 or or CC 28553 3315 18 " " `` 28553 3315 19 clack clack VB 28553 3315 20 , , , 28553 3315 21 " " '' 28553 3315 22 that that IN 28553 3315 23 they -PRON- PRP 28553 3315 24 shut shut VBD 28553 3315 25 completely completely RB 28553 3315 26 . . . 28553 3316 1 THE the DT 28553 3316 2 HYDRAULIC HYDRAULIC NNP 28553 3316 3 PRESS PRESS NNP 28553 3316 4 . . . 28553 3317 1 It -PRON- PRP 28553 3317 2 is be VBZ 28553 3317 3 a a DT 28553 3317 4 characteristic characteristic NN 28553 3317 5 of of IN 28553 3317 6 fluids fluid NNS 28553 3317 7 and and CC 28553 3317 8 gases gas NNS 28553 3317 9 that that IN 28553 3317 10 if if IN 28553 3317 11 pressure pressure NN 28553 3317 12 be be VBP 28553 3317 13 brought bring VBN 28553 3317 14 to to TO 28553 3317 15 bear bear VB 28553 3317 16 on on IN 28553 3317 17 any any DT 28553 3317 18 part part NN 28553 3317 19 of of IN 28553 3317 20 a a DT 28553 3317 21 mass mass NN 28553 3317 22 of of IN 28553 3317 23 either either DT 28553 3317 24 class class NN 28553 3317 25 of of IN 28553 3317 26 bodies body NNS 28553 3317 27 it -PRON- PRP 28553 3317 28 is be VBZ 28553 3317 29 transmitted transmit VBN 28553 3317 30 equally equally RB 28553 3317 31 and and CC 28553 3317 32 undiminished undiminishe VBD 28553 3317 33 in in IN 28553 3317 34 all all DT 28553 3317 35 directions direction NNS 28553 3317 36 , , , 28553 3317 37 and and CC 28553 3317 38 acts act VBZ 28553 3317 39 with with IN 28553 3317 40 the the DT 28553 3317 41 same same JJ 28553 3317 42 force force NN 28553 3317 43 on on IN 28553 3317 44 all all DT 28553 3317 45 equal equal JJ 28553 3317 46 surfaces surface NNS 28553 3317 47 , , , 28553 3317 48 at at IN 28553 3317 49 right right JJ 28553 3317 50 angles angle NNS 28553 3317 51 to to IN 28553 3317 52 those those DT 28553 3317 53 surfaces surface NNS 28553 3317 54 . . . 28553 3318 1 The the DT 28553 3318 2 great great JJ 28553 3318 3 natural natural JJ 28553 3318 4 philosopher philosopher NN 28553 3318 5 Pascal Pascal NNP 28553 3318 6 first first RB 28553 3318 7 formulated formulate VBD 28553 3318 8 this this DT 28553 3318 9 remarkable remarkable JJ 28553 3318 10 fact fact NN 28553 3318 11 , , , 28553 3318 12 of of IN 28553 3318 13 which which WDT 28553 3318 14 a a DT 28553 3318 15 simple simple JJ 28553 3318 16 illustration illustration NN 28553 3318 17 is be VBZ 28553 3318 18 given give VBN 28553 3318 19 in in IN 28553 3318 20 Fig Fig NNP 28553 3318 21 . . . 28553 3319 1 179 179 CD 28553 3319 2 . . . 28553 3320 1 Two two CD 28553 3320 2 cylinders cylinder NNS 28553 3320 3 , , , 28553 3320 4 A a NN 28553 3320 5 and and CC 28553 3320 6 B b NN 28553 3320 7 , , , 28553 3320 8 having have VBG 28553 3320 9 a a DT 28553 3320 10 bore bore NN 28553 3320 11 of of IN 28553 3320 12 one one CD 28553 3320 13 and and CC 28553 3320 14 two two CD 28553 3320 15 inches inch NNS 28553 3320 16 respectively respectively RB 28553 3320 17 , , , 28553 3320 18 are be VBP 28553 3320 19 connected connect VBN 28553 3320 20 by by IN 28553 3320 21 a a DT 28553 3320 22 pipe pipe NN 28553 3320 23 . . . 28553 3321 1 Water water NN 28553 3321 2 is be VBZ 28553 3321 3 poured pour VBN 28553 3321 4 in in RP 28553 3321 5 , , , 28553 3321 6 and and CC 28553 3321 7 pistons piston NNS 28553 3321 8 fitting fit VBG 28553 3321 9 the the DT 28553 3321 10 cylinders cylinder NNS 28553 3321 11 accurately accurately RB 28553 3321 12 and and CC 28553 3321 13 of of IN 28553 3321 14 equal equal JJ 28553 3321 15 weight weight NN 28553 3321 16 are be VBP 28553 3321 17 inserted insert VBN 28553 3321 18 . . . 28553 3322 1 On on IN 28553 3322 2 piston piston NN 28553 3322 3 B B NNP 28553 3322 4 is be VBZ 28553 3322 5 placed place VBN 28553 3322 6 a a DT 28553 3322 7 load load NN 28553 3322 8 of of IN 28553 3322 9 10 10 CD 28553 3322 10 lbs lb NNS 28553 3322 11 . . . 28553 3323 1 To to TO 28553 3323 2 prevent prevent VB 28553 3323 3 A a DT 28553 3323 4 rising rise VBG 28553 3323 5 above above IN 28553 3323 6 the the DT 28553 3323 7 level level NN 28553 3323 8 of of IN 28553 3323 9 B b NN 28553 3323 10 , , , 28553 3323 11 it -PRON- PRP 28553 3323 12 must must MD 28553 3323 13 be be VB 28553 3323 14 loaded load VBN 28553 3323 15 proportionately proportionately RB 28553 3323 16 . . . 28553 3324 1 The the DT 28553 3324 2 area area NN 28553 3324 3 of of IN 28553 3324 4 piston piston NNP 28553 3324 5 A A NNP 28553 3324 6 is be VBZ 28553 3324 7 four four CD 28553 3324 8 times time NNS 28553 3324 9 that that DT 28553 3324 10 of of IN 28553 3324 11 B b NN 28553 3324 12 , , , 28553 3324 13 so so IN 28553 3324 14 that that IN 28553 3324 15 if if IN 28553 3324 16 we -PRON- PRP 28553 3324 17 lay lie VBD 28553 3324 18 on on IN 28553 3324 19 it -PRON- PRP 28553 3324 20 a a DT 28553 3324 21 40-lb 40-lb CD 28553 3324 22 . . . 28553 3325 1 weight weight NNP 28553 3325 2 , , , 28553 3325 3 neither neither DT 28553 3325 4 piston piston NN 28553 3325 5 will will MD 28553 3325 6 move move VB 28553 3325 7 . . . 28553 3326 1 The the DT 28553 3326 2 walls wall NNS 28553 3326 3 of of IN 28553 3326 4 the the DT 28553 3326 5 cylinders cylinder NNS 28553 3326 6 and and CC 28553 3326 7 connecting connect VBG 28553 3326 8 pipe pipe NN 28553 3326 9 are be VBP 28553 3326 10 also also RB 28553 3326 11 pressed press VBN 28553 3326 12 outwards outward NNS 28553 3326 13 in in IN 28553 3326 14 the the DT 28553 3326 15 ratio ratio NN 28553 3326 16 of of IN 28553 3326 17 10 10 CD 28553 3326 18 lbs lb NNS 28553 3326 19 . . . 28553 3327 1 for for IN 28553 3327 2 every every DT 28553 3327 3 part part NN 28553 3327 4 of of IN 28553 3327 5 their -PRON- PRP$ 28553 3327 6 interior interior JJ 28553 3327 7 surface surface NN 28553 3327 8 which which WDT 28553 3327 9 has have VBZ 28553 3327 10 an an DT 28553 3327 11 area area NN 28553 3327 12 equal equal JJ 28553 3327 13 to to IN 28553 3327 14 that that DT 28553 3327 15 of of IN 28553 3327 16 piston piston NNP 28553 3327 17 B. B. NNP 28553 3328 1 [ [ -LRB- 28553 3328 2 Illustration illustration NN 28553 3328 3 : : : 28553 3328 4 FIG FIG NNP 28553 3328 5 . . . 28553 3329 1 179 179 CD 28553 3329 2 . . . 28553 3329 3 ] ] -RRB- 28553 3330 1 [ [ -LRB- 28553 3330 2 Illustration illustration NN 28553 3330 3 : : : 28553 3330 4 FIG FIG NNP 28553 3330 5 . . . 28553 3331 1 180.--The 180.--the CD 28553 3331 2 cylinder cylinder NN 28553 3331 3 and and CC 28553 3331 4 ram ram NN 28553 3331 5 of of IN 28553 3331 6 a a DT 28553 3331 7 hydraulic hydraulic JJ 28553 3331 8 press press NN 28553 3331 9 . . . 28553 3331 10 ] ] -RRB- 28553 3332 1 The the DT 28553 3332 2 hydraulic hydraulic JJ 28553 3332 3 press press NN 28553 3332 4 is be VBZ 28553 3332 5 an an DT 28553 3332 6 application application NN 28553 3332 7 of of IN 28553 3332 8 this this DT 28553 3332 9 law law NN 28553 3332 10 . . . 28553 3333 1 Cylinder Cylinder NNP 28553 3333 2 B B NNP 28553 3333 3 is be VBZ 28553 3333 4 represented represent VBN 28553 3333 5 by by IN 28553 3333 6 a a DT 28553 3333 7 force force NN 28553 3333 8 pump pump NN 28553 3333 9 of of IN 28553 3333 10 small small JJ 28553 3333 11 bore bore NN 28553 3333 12 , , , 28553 3333 13 capable capable JJ 28553 3333 14 of of IN 28553 3333 15 delivering deliver VBG 28553 3333 16 water water NN 28553 3333 17 at at IN 28553 3333 18 very very RB 28553 3333 19 high high JJ 28553 3333 20 pressures pressure NNS 28553 3333 21 ( ( -LRB- 28553 3333 22 up up IN 28553 3333 23 to to TO 28553 3333 24 10 10 CD 28553 3333 25 tons ton NNS 28553 3333 26 per per IN 28553 3333 27 square square JJ 28553 3333 28 inch inch NN 28553 3333 29 ) ) -RRB- 28553 3333 30 . . . 28553 3334 1 In in IN 28553 3334 2 the the DT 28553 3334 3 place place NN 28553 3334 4 of of IN 28553 3334 5 A a DT 28553 3334 6 we -PRON- PRP 28553 3334 7 have have VBP 28553 3334 8 a a DT 28553 3334 9 stout stout JJ 28553 3334 10 cylinder cylinder NN 28553 3334 11 with with IN 28553 3334 12 a a DT 28553 3334 13 solid solid JJ 28553 3334 14 plunger plunger NN 28553 3334 15 , , , 28553 3334 16 P p NN 28553 3334 17 ( ( -LRB- 28553 3334 18 Fig fig NN 28553 3334 19 . . . 28553 3335 1 180 180 CD 28553 3335 2 ) ) -RRB- 28553 3335 3 , , , 28553 3335 4 carrying carry VBG 28553 3335 5 the the DT 28553 3335 6 _ _ NNP 28553 3335 7 table table NN 28553 3335 8 _ _ NNP 28553 3335 9 on on IN 28553 3335 10 which which WDT 28553 3335 11 the the DT 28553 3335 12 object object NN 28553 3335 13 to to TO 28553 3335 14 be be VB 28553 3335 15 pressed press VBN 28553 3335 16 is be VBZ 28553 3335 17 placed place VBN 28553 3335 18 . . . 28553 3336 1 Bramah Bramah NNP 28553 3336 2 , , , 28553 3336 3 the the DT 28553 3336 4 inventor inventor NN 28553 3336 5 of of IN 28553 3336 6 the the DT 28553 3336 7 hydraulic hydraulic NNP 28553 3336 8 press press NNP 28553 3336 9 , , , 28553 3336 10 experienced experience VBD 28553 3336 11 great great JJ 28553 3336 12 difficulty difficulty NN 28553 3336 13 in in IN 28553 3336 14 preventing prevent VBG 28553 3336 15 the the DT 28553 3336 16 escape escape NN 28553 3336 17 of of IN 28553 3336 18 water water NN 28553 3336 19 between between IN 28553 3336 20 the the DT 28553 3336 21 top top NN 28553 3336 22 of of IN 28553 3336 23 the the DT 28553 3336 24 cylinder cylinder NN 28553 3336 25 and and CC 28553 3336 26 the the DT 28553 3336 27 plunger plunger NN 28553 3336 28 . . . 28553 3337 1 If if IN 28553 3337 2 a a DT 28553 3337 3 " " `` 28553 3337 4 gland gland NN 28553 3337 5 " " '' 28553 3337 6 packing packing NN 28553 3337 7 of of IN 28553 3337 8 the the DT 28553 3337 9 type type NN 28553 3337 10 found find VBN 28553 3337 11 in in IN 28553 3337 12 steam steam NN 28553 3337 13 - - HYPH 28553 3337 14 cylinders cylinder NNS 28553 3337 15 were be VBD 28553 3337 16 used use VBN 28553 3337 17 , , , 28553 3337 18 it -PRON- PRP 28553 3337 19 failed fail VBD 28553 3337 20 to to TO 28553 3337 21 hold hold VB 28553 3337 22 back back RP 28553 3337 23 the the DT 28553 3337 24 water water NN 28553 3337 25 unless unless IN 28553 3337 26 it -PRON- PRP 28553 3337 27 were be VBD 28553 3337 28 screwed screw VBN 28553 3337 29 down down RP 28553 3337 30 so so RB 28553 3337 31 tightly tightly RB 28553 3337 32 as as IN 28553 3337 33 to to IN 28553 3337 34 jam jam NNP 28553 3337 35 the the DT 28553 3337 36 plunger plunger NN 28553 3337 37 . . . 28553 3338 1 He -PRON- PRP 28553 3338 2 tried try VBD 28553 3338 3 all all DT 28553 3338 4 kinds kind NNS 28553 3338 5 of of IN 28553 3338 6 expedients expedient NNS 28553 3338 7 without without IN 28553 3338 8 success success NN 28553 3338 9 ; ; : 28553 3338 10 and and CC 28553 3338 11 his -PRON- PRP$ 28553 3338 12 invention invention NN 28553 3338 13 , , , 28553 3338 14 excellent excellent JJ 28553 3338 15 though though IN 28553 3338 16 it -PRON- PRP 28553 3338 17 was be VBD 28553 3338 18 in in IN 28553 3338 19 principle principle NN 28553 3338 20 , , , 28553 3338 21 seemed seem VBD 28553 3338 22 doomed doom VBN 28553 3338 23 to to IN 28553 3338 24 failure failure NN 28553 3338 25 , , , 28553 3338 26 when when WRB 28553 3338 27 his -PRON- PRP$ 28553 3338 28 foreman foreman NN 28553 3338 29 , , , 28553 3338 30 Henry Henry NNP 28553 3338 31 Maudslay,[35 Maudslay,[35 NNP 28553 3338 32 ] ] -RRB- 28553 3338 33 solved solve VBD 28553 3338 34 the the DT 28553 3338 35 problem problem NN 28553 3338 36 in in IN 28553 3338 37 a a DT 28553 3338 38 simple simple NN 28553 3338 39 but but CC 28553 3338 40 most most RBS 28553 3338 41 masterly masterly JJ 28553 3338 42 manner manner NN 28553 3338 43 . . . 28553 3339 1 He -PRON- PRP 28553 3339 2 had have VBD 28553 3339 3 a a DT 28553 3339 4 recess recess NN 28553 3339 5 turned turn VBN 28553 3339 6 in in RP 28553 3339 7 the the DT 28553 3339 8 neck neck NN 28553 3339 9 of of IN 28553 3339 10 the the DT 28553 3339 11 cylinder cylinder NN 28553 3339 12 at at IN 28553 3339 13 the the DT 28553 3339 14 point point NN 28553 3339 15 formerly formerly RB 28553 3339 16 occupied occupy VBN 28553 3339 17 by by IN 28553 3339 18 the the DT 28553 3339 19 stuffing stuffing NN 28553 3339 20 - - HYPH 28553 3339 21 box box NN 28553 3339 22 , , , 28553 3339 23 and and CC 28553 3339 24 into into IN 28553 3339 25 this this DT 28553 3339 26 a a DT 28553 3339 27 leather leather NN 28553 3339 28 collar collar NN 28553 3339 29 of of IN 28553 3339 30 U U NNP 28553 3339 31 - - HYPH 28553 3339 32 section section NNP 28553 3339 33 ( ( -LRB- 28553 3339 34 marked mark VBN 28553 3339 35 solid solid JJ 28553 3339 36 black black NN 28553 3339 37 in in IN 28553 3339 38 Fig Fig NNP 28553 3339 39 . . . 28553 3340 1 180 180 CD 28553 3340 2 ) ) -RRB- 28553 3340 3 was be VBD 28553 3340 4 placed place VBN 28553 3340 5 with with IN 28553 3340 6 its -PRON- PRP$ 28553 3340 7 open open JJ 28553 3340 8 side side NN 28553 3340 9 downwards downwards RB 28553 3340 10 . . . 28553 3341 1 When when WRB 28553 3341 2 water water NN 28553 3341 3 reached reach VBD 28553 3341 4 it -PRON- PRP 28553 3341 5 , , , 28553 3341 6 it -PRON- PRP 28553 3341 7 forced force VBD 28553 3341 8 the the DT 28553 3341 9 edges edge NNS 28553 3341 10 apart apart RB 28553 3341 11 , , , 28553 3341 12 one one CD 28553 3341 13 against against IN 28553 3341 14 the the DT 28553 3341 15 plunger plunger NN 28553 3341 16 , , , 28553 3341 17 the the DT 28553 3341 18 other other JJ 28553 3341 19 against against IN 28553 3341 20 the the DT 28553 3341 21 walls wall NNS 28553 3341 22 of of IN 28553 3341 23 the the DT 28553 3341 24 recess recess NN 28553 3341 25 , , , 28553 3341 26 with with IN 28553 3341 27 a a DT 28553 3341 28 degree degree NN 28553 3341 29 of of IN 28553 3341 30 tightness tightness NN 28553 3341 31 proportionate proportionate NN 28553 3341 32 to to IN 28553 3341 33 the the DT 28553 3341 34 pressure pressure NN 28553 3341 35 . . . 28553 3342 1 On on IN 28553 3342 2 water water NN 28553 3342 3 being be VBG 28553 3342 4 released release VBN 28553 3342 5 from from IN 28553 3342 6 the the DT 28553 3342 7 cylinder cylinder NN 28553 3342 8 the the DT 28553 3342 9 collar collar NN 28553 3342 10 collapsed collapse VBD 28553 3342 11 , , , 28553 3342 12 allowing allow VBG 28553 3342 13 the the DT 28553 3342 14 plunger plunger NN 28553 3342 15 to to TO 28553 3342 16 sink sink VB 28553 3342 17 without without IN 28553 3342 18 friction friction NN 28553 3342 19 . . . 28553 3343 1 The the DT 28553 3343 2 principle principle NN 28553 3343 3 of of IN 28553 3343 4 the the DT 28553 3343 5 hydraulic hydraulic NNP 28553 3343 6 press press NN 28553 3343 7 is be VBZ 28553 3343 8 employed employ VBN 28553 3343 9 in in IN 28553 3343 10 lifts lift NNS 28553 3343 11 ; ; : 28553 3343 12 in in IN 28553 3343 13 machines machine NNS 28553 3343 14 for for IN 28553 3343 15 bending bending NN 28553 3343 16 , , , 28553 3343 17 drilling drilling NN 28553 3343 18 , , , 28553 3343 19 and and CC 28553 3343 20 riveting riveting JJ 28553 3343 21 steel steel NN 28553 3343 22 plates plate NNS 28553 3343 23 , , , 28553 3343 24 or or CC 28553 3343 25 forcing force VBG 28553 3343 26 wheels wheel NNS 28553 3343 27 on on IN 28553 3343 28 or or CC 28553 3343 29 off off IN 28553 3343 30 their -PRON- PRP$ 28553 3343 31 axles axle NNS 28553 3343 32 ; ; : 28553 3343 33 for for IN 28553 3343 34 advancing advance VBG 28553 3343 35 the the DT 28553 3343 36 " " `` 28553 3343 37 boring boring JJ 28553 3343 38 shield shield NN 28553 3343 39 " " '' 28553 3343 40 of of IN 28553 3343 41 a a DT 28553 3343 42 tunnel tunnel NN 28553 3343 43 ; ; , 28553 3343 44 and and CC 28553 3343 45 for for IN 28553 3343 46 other other JJ 28553 3343 47 purposes purpose NNS 28553 3343 48 too too RB 28553 3343 49 numerous numerous JJ 28553 3343 50 to to TO 28553 3343 51 mention mention VB 28553 3343 52 . . . 28553 3344 1 HOUSEHOLD HOUSEHOLD NNP 28553 3344 2 WATER WATER NNP 28553 3344 3 - - HYPH 28553 3344 4 SUPPLY supply NN 28553 3344 5 FITTINGS fitting NNS 28553 3344 6 . . . 28553 3345 1 Among among IN 28553 3345 2 these these DT 28553 3345 3 , , , 28553 3345 4 the the DT 28553 3345 5 most most RBS 28553 3345 6 used use VBN 28553 3345 7 is be VBZ 28553 3345 8 the the DT 28553 3345 9 tap tap NN 28553 3345 10 , , , 28553 3345 11 or or CC 28553 3345 12 cock cock NN 28553 3345 13 . . . 28553 3346 1 When when WRB 28553 3346 2 a a DT 28553 3346 3 house house NN 28553 3346 4 is be VBZ 28553 3346 5 served serve VBN 28553 3346 6 by by IN 28553 3346 7 the the DT 28553 3346 8 town town NN 28553 3346 9 or or CC 28553 3346 10 district district NN 28553 3346 11 water water NN 28553 3346 12 supply supply NN 28553 3346 13 , , , 28553 3346 14 the the DT 28553 3346 15 fitting fitting NN 28553 3346 16 of of IN 28553 3346 17 proper proper JJ 28553 3346 18 taps tap NNS 28553 3346 19 on on IN 28553 3346 20 all all DT 28553 3346 21 pipes pipe NNS 28553 3346 22 connected connect VBN 28553 3346 23 with with IN 28553 3346 24 the the DT 28553 3346 25 supply supply NN 28553 3346 26 is be VBZ 28553 3346 27 stipulated stipulate VBN 28553 3346 28 for for IN 28553 3346 29 by by IN 28553 3346 30 the the DT 28553 3346 31 water water NN 28553 3346 32 - - HYPH 28553 3346 33 works work NNS 28553 3346 34 authorities authority NNS 28553 3346 35 . . . 28553 3347 1 The the DT 28553 3347 2 old old JJ 28553 3347 3 - - HYPH 28553 3347 4 fashioned fashioned JJ 28553 3347 5 " " `` 28553 3347 6 plug plug NN 28553 3347 7 " " '' 28553 3347 8 tap tap NN 28553 3347 9 is be VBZ 28553 3347 10 unsuitable unsuitable JJ 28553 3347 11 for for IN 28553 3347 12 controlling control VBG 28553 3347 13 high high JJ 28553 3347 14 - - HYPH 28553 3347 15 pressure pressure NN 28553 3347 16 water water NN 28553 3347 17 on on IN 28553 3347 18 account account NN 28553 3347 19 of of IN 28553 3347 20 the the DT 28553 3347 21 suddenness suddenness NN 28553 3347 22 with with IN 28553 3347 23 which which WDT 28553 3347 24 it -PRON- PRP 28553 3347 25 checks check VBZ 28553 3347 26 the the DT 28553 3347 27 flow flow NN 28553 3347 28 . . . 28553 3348 1 Lest lest IN 28553 3348 2 the the DT 28553 3348 3 reader reader NN 28553 3348 4 should should MD 28553 3348 5 have have VB 28553 3348 6 doubts doubt NNS 28553 3348 7 as as IN 28553 3348 8 to to IN 28553 3348 9 the the DT 28553 3348 10 nature nature NN 28553 3348 11 of of IN 28553 3348 12 a a DT 28553 3348 13 plug plug NN 28553 3348 14 tap tap NN 28553 3348 15 , , , 28553 3348 16 we -PRON- PRP 28553 3348 17 may may MD 28553 3348 18 add add VB 28553 3348 19 that that IN 28553 3348 20 it -PRON- PRP 28553 3348 21 has have VBZ 28553 3348 22 a a DT 28553 3348 23 tapering taper VBG 28553 3348 24 cone cone NN 28553 3348 25 of of IN 28553 3348 26 metal metal NN 28553 3348 27 working work VBG 28553 3348 28 in in IN 28553 3348 29 a a DT 28553 3348 30 tapering taper VBG 28553 3348 31 socket socket NN 28553 3348 32 . . . 28553 3349 1 On on IN 28553 3349 2 the the DT 28553 3349 3 cone cone NN 28553 3349 4 being be VBG 28553 3349 5 turned turn VBN 28553 3349 6 till till IN 28553 3349 7 a a DT 28553 3349 8 hole hole NN 28553 3349 9 through through IN 28553 3349 10 it -PRON- PRP 28553 3349 11 is be VBZ 28553 3349 12 brought bring VBN 28553 3349 13 into into IN 28553 3349 14 line line NN 28553 3349 15 with with IN 28553 3349 16 the the DT 28553 3349 17 channel channel NN 28553 3349 18 of of IN 28553 3349 19 the the DT 28553 3349 20 tap tap NN 28553 3349 21 , , , 28553 3349 22 water water NN 28553 3349 23 passes pass VBZ 28553 3349 24 . . . 28553 3350 1 A a DT 28553 3350 2 quarter quarter NN 28553 3350 3 turn turn NN 28553 3350 4 closes close VBZ 28553 3350 5 the the DT 28553 3350 6 tap tap NN 28553 3350 7 . . . 28553 3351 1 [ [ -LRB- 28553 3351 2 Illustration illustration NN 28553 3351 3 : : : 28553 3351 4 FIG FIG NNP 28553 3351 5 . . . 28553 3352 1 181.--A 181.--a CD 28553 3352 2 screw screw VB 28553 3352 3 - - HYPH 28553 3352 4 down down RP 28553 3352 5 water water NN 28553 3352 6 cock cock NN 28553 3352 7 . . . 28553 3352 8 ] ] -RRB- 28553 3353 1 Its -PRON- PRP$ 28553 3353 2 place place NN 28553 3353 3 has have VBZ 28553 3353 4 been be VBN 28553 3353 5 taken take VBN 28553 3353 6 by by IN 28553 3353 7 the the DT 28553 3353 8 screw screw VB 28553 3353 9 - - HYPH 28553 3353 10 down down RP 28553 3353 11 cock cock NN 28553 3353 12 . . . 28553 3354 1 A a DT 28553 3354 2 very very RB 28553 3354 3 common common JJ 28553 3354 4 and and CC 28553 3354 5 effective effective JJ 28553 3354 6 pattern pattern NN 28553 3354 7 is be VBZ 28553 3354 8 shown show VBN 28553 3354 9 in in IN 28553 3354 10 Fig Fig NNP 28553 3354 11 . . . 28553 3355 1 181 181 CD 28553 3355 2 . . . 28553 3356 1 The the DT 28553 3356 2 valve valve NN 28553 3356 3 V v NN 28553 3356 4 , , , 28553 3356 5 with with IN 28553 3356 6 a a DT 28553 3356 7 facing facing NN 28553 3356 8 of of IN 28553 3356 9 rubber rubber NN 28553 3356 10 , , , 28553 3356 11 leather leather NN 28553 3356 12 , , , 28553 3356 13 or or CC 28553 3356 14 some some DT 28553 3356 15 other other JJ 28553 3356 16 sufficiently sufficiently RB 28553 3356 17 elastic elastic JJ 28553 3356 18 substance substance NN 28553 3356 19 , , , 28553 3356 20 is be VBZ 28553 3356 21 attached attach VBN 28553 3356 22 to to IN 28553 3356 23 a a DT 28553 3356 24 pin pin NN 28553 3356 25 , , , 28553 3356 26 C C NNP 28553 3356 27 , , , 28553 3356 28 which which WDT 28553 3356 29 projects project VBZ 28553 3356 30 upwards upwards RB 28553 3356 31 into into IN 28553 3356 32 the the DT 28553 3356 33 spindle spindle JJ 28553 3356 34 A a NN 28553 3356 35 of of IN 28553 3356 36 the the DT 28553 3356 37 tap tap NN 28553 3356 38 . . . 28553 3357 1 This this DT 28553 3357 2 spindle spindle NN 28553 3357 3 has have VBZ 28553 3357 4 a a DT 28553 3357 5 screw screw NN 28553 3357 6 thread thread NN 28553 3357 7 on on IN 28553 3357 8 it -PRON- PRP 28553 3357 9 engaging engage VBG 28553 3357 10 with with IN 28553 3357 11 a a DT 28553 3357 12 collar collar NN 28553 3357 13 , , , 28553 3357 14 B. B. NNP 28553 3358 1 When when WRB 28553 3358 2 the the DT 28553 3358 3 spindle spindle NN 28553 3358 4 is be VBZ 28553 3358 5 turned turn VBN 28553 3358 6 it -PRON- PRP 28553 3358 7 rises rise VBZ 28553 3358 8 or or CC 28553 3358 9 falls fall VBZ 28553 3358 10 , , , 28553 3358 11 allowing allow VBG 28553 3358 12 the the DT 28553 3358 13 valve valve NN 28553 3358 14 to to TO 28553 3358 15 leave leave VB 28553 3358 16 its -PRON- PRP$ 28553 3358 17 seating seating NN 28553 3358 18 , , , 28553 3358 19 V V NNP 28553 3358 20 S S NNP 28553 3358 21 , , , 28553 3358 22 or or CC 28553 3358 23 forcing force VBG 28553 3358 24 it -PRON- PRP 28553 3358 25 down down RP 28553 3358 26 on on IN 28553 3358 27 to to IN 28553 3358 28 it -PRON- PRP 28553 3358 29 . . . 28553 3359 1 A a DT 28553 3359 2 packing pack VBG 28553 3359 3 P p NN 28553 3359 4 in in IN 28553 3359 5 the the DT 28553 3359 6 neck neck NN 28553 3359 7 of of IN 28553 3359 8 B b NN 28553 3359 9 prevents prevent VBZ 28553 3359 10 the the DT 28553 3359 11 passage passage NN 28553 3359 12 of of IN 28553 3359 13 water water NN 28553 3359 14 round round IN 28553 3359 15 the the DT 28553 3359 16 spindle spindle NN 28553 3359 17 . . . 28553 3360 1 To to TO 28553 3360 2 open open VB 28553 3360 3 or or CC 28553 3360 4 close close VB 28553 3360 5 the the DT 28553 3360 6 tap tap NN 28553 3360 7 completely completely RB 28553 3360 8 is be VBZ 28553 3360 9 a a DT 28553 3360 10 matter matter NN 28553 3360 11 of of IN 28553 3360 12 several several JJ 28553 3360 13 turns turn NNS 28553 3360 14 , , , 28553 3360 15 which which WDT 28553 3360 16 can can MD 28553 3360 17 not not RB 28553 3360 18 be be VB 28553 3360 19 made make VBN 28553 3360 20 fast fast JJ 28553 3360 21 enough enough RB 28553 3360 22 to to TO 28553 3360 23 produce produce VB 28553 3360 24 a a DT 28553 3360 25 " " `` 28553 3360 26 water water NN 28553 3360 27 - - HYPH 28553 3360 28 hammer hammer NN 28553 3360 29 " " '' 28553 3360 30 in in IN 28553 3360 31 the the DT 28553 3360 32 pipes pipe NNS 28553 3360 33 by by IN 28553 3360 34 suddenly suddenly RB 28553 3360 35 arresting arrest VBG 28553 3360 36 the the DT 28553 3360 37 flow flow NN 28553 3360 38 . . . 28553 3361 1 The the DT 28553 3361 2 reader reader NN 28553 3361 3 will will MD 28553 3361 4 easily easily RB 28553 3361 5 understand understand VB 28553 3361 6 that that IN 28553 3361 7 if if IN 28553 3361 8 water water NN 28553 3361 9 flowing flow VBG 28553 3361 10 at at IN 28553 3361 11 the the DT 28553 3361 12 rate rate NN 28553 3361 13 of of IN 28553 3361 14 several several JJ 28553 3361 15 miles mile NNS 28553 3361 16 an an DT 28553 3361 17 hour hour NN 28553 3361 18 is be VBZ 28553 3361 19 abruptly abruptly RB 28553 3361 20 checked check VBN 28553 3361 21 , , , 28553 3361 22 the the DT 28553 3361 23 shock shock NN 28553 3361 24 to to IN 28553 3361 25 the the DT 28553 3361 26 pipes pipe NNS 28553 3361 27 carrying carry VBG 28553 3361 28 it -PRON- PRP 28553 3361 29 must must MD 28553 3361 30 be be VB 28553 3361 31 very very RB 28553 3361 32 severe severe JJ 28553 3361 33 . . . 28553 3362 1 THE the DT 28553 3362 2 BALL BALL NNP 28553 3362 3 - - HYPH 28553 3362 4 COCK COCK NNP 28553 3362 5 is be VBZ 28553 3362 6 used use VBN 28553 3362 7 to to TO 28553 3362 8 feed feed VB 28553 3362 9 a a DT 28553 3362 10 cistern cistern NN 28553 3362 11 automatically automatically RB 28553 3362 12 with with IN 28553 3362 13 water water NN 28553 3362 14 , , , 28553 3362 15 and and CC 28553 3362 16 prevent prevent VB 28553 3362 17 the the DT 28553 3362 18 water water NN 28553 3362 19 rising rise VBG 28553 3362 20 too too RB 28553 3362 21 far far RB 28553 3362 22 in in IN 28553 3362 23 the the DT 28553 3362 24 cistern cistern NN 28553 3362 25 ( ( -LRB- 28553 3362 26 Fig fig NN 28553 3362 27 . . . 28553 3363 1 182 182 CD 28553 3363 2 ) ) -RRB- 28553 3363 3 . . . 28553 3364 1 Water water NN 28553 3364 2 enters enter VBZ 28553 3364 3 the the DT 28553 3364 4 cistern cistern NN 28553 3364 5 through through IN 28553 3364 6 a a DT 28553 3364 7 valve valve NN 28553 3364 8 , , , 28553 3364 9 which which WDT 28553 3364 10 is be VBZ 28553 3364 11 opened open VBN 28553 3364 12 and and CC 28553 3364 13 closed close VBN 28553 3364 14 by by IN 28553 3364 15 a a DT 28553 3364 16 plug plug NN 28553 3364 17 faced face VBN 28553 3364 18 with with IN 28553 3364 19 rubber rubber NN 28553 3364 20 . . . 28553 3365 1 The the DT 28553 3365 2 lower low JJR 28553 3365 3 extremity extremity NN 28553 3365 4 of of IN 28553 3365 5 the the DT 28553 3365 6 plug plug NN 28553 3365 7 is be VBZ 28553 3365 8 flattened flatten VBN 28553 3365 9 , , , 28553 3365 10 and and CC 28553 3365 11 has have VBZ 28553 3365 12 a a DT 28553 3365 13 rectangular rectangular JJ 28553 3365 14 hole hole NN 28553 3365 15 cut cut VBN 28553 3365 16 in in IN 28553 3365 17 it -PRON- PRP 28553 3365 18 . . . 28553 3366 1 Through through IN 28553 3366 2 this this DT 28553 3366 3 passes pass VBZ 28553 3366 4 a a DT 28553 3366 5 lever lever NN 28553 3366 6 , , , 28553 3366 7 L L NNP 28553 3366 8 , , , 28553 3366 9 attached attach VBN 28553 3366 10 at at IN 28553 3366 11 one one CD 28553 3366 12 end end NN 28553 3366 13 to to IN 28553 3366 14 a a DT 28553 3366 15 hollow hollow JJ 28553 3366 16 copper copper NN 28553 3366 17 sphere sphere NN 28553 3366 18 , , , 28553 3366 19 and and CC 28553 3366 20 pivoted pivot VBD 28553 3366 21 at at IN 28553 3366 22 the the DT 28553 3366 23 other other JJ 28553 3366 24 on on IN 28553 3366 25 the the DT 28553 3366 26 valve valve NN 28553 3366 27 casing casing NN 28553 3366 28 . . . 28553 3367 1 This this DT 28553 3367 2 casing casing NN 28553 3367 3 is be VBZ 28553 3367 4 not not RB 28553 3367 5 quite quite RB 28553 3367 6 circular circular JJ 28553 3367 7 in in IN 28553 3367 8 section section NN 28553 3367 9 , , , 28553 3367 10 for for IN 28553 3367 11 two two CD 28553 3367 12 slots slot NNS 28553 3367 13 are be VBP 28553 3367 14 cast cast VBN 28553 3367 15 in in IN 28553 3367 16 the the DT 28553 3367 17 circumference circumference NN 28553 3367 18 to to TO 28553 3367 19 allow allow VB 28553 3367 20 water water NN 28553 3367 21 to to TO 28553 3367 22 pass pass VB 28553 3367 23 round round RB 28553 3367 24 the the DT 28553 3367 25 plug plug NN 28553 3367 26 freely freely RB 28553 3367 27 when when WRB 28553 3367 28 the the DT 28553 3367 29 valve valve NN 28553 3367 30 is be VBZ 28553 3367 31 open open JJ 28553 3367 32 . . . 28553 3368 1 The the DT 28553 3368 2 buoyancy buoyancy NN 28553 3368 3 of of IN 28553 3368 4 the the DT 28553 3368 5 copper copper NN 28553 3368 6 sphere sphere NN 28553 3368 7 is be VBZ 28553 3368 8 sufficient sufficient JJ 28553 3368 9 to to TO 28553 3368 10 force force VB 28553 3368 11 the the DT 28553 3368 12 plug plug NN 28553 3368 13 's 's POS 28553 3368 14 face face NN 28553 3368 15 up up RP 28553 3368 16 towards towards IN 28553 3368 17 its -PRON- PRP$ 28553 3368 18 seating seating NN 28553 3368 19 as as IN 28553 3368 20 the the DT 28553 3368 21 valve valve NN 28553 3368 22 rises rise VBZ 28553 3368 23 , , , 28553 3368 24 and and CC 28553 3368 25 to to TO 28553 3368 26 cut cut VB 28553 3368 27 off off RP 28553 3368 28 the the DT 28553 3368 29 supply supply NN 28553 3368 30 entirely entirely RB 28553 3368 31 when when WRB 28553 3368 32 a a DT 28553 3368 33 certain certain JJ 28553 3368 34 level level NN 28553 3368 35 has have VBZ 28553 3368 36 been be VBN 28553 3368 37 attained attain VBN 28553 3368 38 . . . 28553 3369 1 If if IN 28553 3369 2 water water NN 28553 3369 3 is be VBZ 28553 3369 4 drawn draw VBN 28553 3369 5 off off RP 28553 3369 6 , , , 28553 3369 7 the the DT 28553 3369 8 sphere sphere NN 28553 3369 9 sinks sink NNS 28553 3369 10 , , , 28553 3369 11 the the DT 28553 3369 12 valve valve NN 28553 3369 13 opens open VBZ 28553 3369 14 , , , 28553 3369 15 and and CC 28553 3369 16 the the DT 28553 3369 17 loss loss NN 28553 3369 18 is be VBZ 28553 3369 19 made make VBN 28553 3369 20 good good JJ 28553 3369 21 . . . 28553 3370 1 [ [ -LRB- 28553 3370 2 Illustration illustration NN 28553 3370 3 : : : 28553 3370 4 FIG FIG NNP 28553 3370 5 . . . 28553 3371 1 182.--An 182.--an CD 28553 3371 2 automatic automatic JJ 28553 3371 3 ball ball NN 28553 3371 4 - - HYPH 28553 3371 5 valve valve NN 28553 3371 6 . . . 28553 3371 7 ] ] -RRB- 28553 3372 1 THE the DT 28553 3372 2 WATER WATER NNP 28553 3372 3 - - HYPH 28553 3372 4 METER METER NNP 28553 3372 5 . . . 28553 3373 1 [ [ -LRB- 28553 3373 2 Illustration illustration NN 28553 3373 3 : : : 28553 3373 4 FIG FIG NNP 28553 3373 5 . . . 28553 3374 1 183 183 CD 28553 3374 2 . . . 28553 3374 3 ] ] -RRB- 28553 3375 1 Some some DT 28553 3375 2 consumers consumer NNS 28553 3375 3 pay pay VBP 28553 3375 4 a a DT 28553 3375 5 sum sum NN 28553 3375 6 quarterly quarterly NN 28553 3375 7 for for IN 28553 3375 8 the the DT 28553 3375 9 privilege privilege NN 28553 3375 10 of of IN 28553 3375 11 a a DT 28553 3375 12 water water NN 28553 3375 13 supply supply NN 28553 3375 14 , , , 28553 3375 15 and and CC 28553 3375 16 the the DT 28553 3375 17 water water NN 28553 3375 18 company company NN 28553 3375 19 allows allow VBZ 28553 3375 20 them -PRON- PRP 28553 3375 21 to to TO 28553 3375 22 use use VB 28553 3375 23 as as RB 28553 3375 24 much much JJ 28553 3375 25 as as IN 28553 3375 26 they -PRON- PRP 28553 3375 27 require require VBP 28553 3375 28 . . . 28553 3376 1 Others other NNS 28553 3376 2 , , , 28553 3376 3 however however RB 28553 3376 4 , , , 28553 3376 5 prefer prefer VBP 28553 3376 6 to to TO 28553 3376 7 pay pay VB 28553 3376 8 a a DT 28553 3376 9 fixed fix VBN 28553 3376 10 amount amount NN 28553 3376 11 for for IN 28553 3376 12 every every DT 28553 3376 13 thousand thousand CD 28553 3376 14 gallons gallon NNS 28553 3376 15 used use VBN 28553 3376 16 . . . 28553 3377 1 In in IN 28553 3377 2 such such JJ 28553 3377 3 cases case NNS 28553 3377 4 , , , 28553 3377 5 a a DT 28553 3377 6 water water NN 28553 3377 7 - - HYPH 28553 3377 8 meter meter NN 28553 3377 9 is be VBZ 28553 3377 10 required require VBN 28553 3377 11 to to TO 28553 3377 12 record record VB 28553 3377 13 the the DT 28553 3377 14 consumption consumption NN 28553 3377 15 . . . 28553 3378 1 We -PRON- PRP 28553 3378 2 append append VBP 28553 3378 3 a a DT 28553 3378 4 sectional sectional JJ 28553 3378 5 diagram diagram NN 28553 3378 6 of of IN 28553 3378 7 Kennedy Kennedy NNP 28553 3378 8 's 's POS 28553 3378 9 patent patent NN 28553 3378 10 water water NN 28553 3378 11 - - HYPH 28553 3378 12 meter meter NN 28553 3378 13 ( ( -LRB- 28553 3378 14 Fig fig NN 28553 3378 15 . . . 28553 3379 1 183 183 LS 28553 3379 2 ) ) -RRB- 28553 3379 3 , , , 28553 3379 4 very very RB 28553 3379 5 widely widely RB 28553 3379 6 used use VBN 28553 3379 7 . . . 28553 3380 1 At at IN 28553 3380 2 the the DT 28553 3380 3 bottom bottom NN 28553 3380 4 is be VBZ 28553 3380 5 the the DT 28553 3380 6 measuring measure VBG 28553 3380 7 cylinder cylinder NN 28553 3380 8 , , , 28553 3380 9 fitted fit VBN 28553 3380 10 with with IN 28553 3380 11 a a DT 28553 3380 12 piston piston NN 28553 3380 13 , , , 28553 3380 14 ( ( -LRB- 28553 3380 15 6 6 CD 28553 3380 16 ) ) -RRB- 28553 3380 17 , , , 28553 3380 18 which which WDT 28553 3380 19 is be VBZ 28553 3380 20 made make VBN 28553 3380 21 to to TO 28553 3380 22 move move VB 28553 3380 23 perfectly perfectly RB 28553 3380 24 water water NN 28553 3380 25 - - HYPH 28553 3380 26 tight tight JJ 28553 3380 27 and and CC 28553 3380 28 free free JJ 28553 3380 29 from from IN 28553 3380 30 friction friction NN 28553 3380 31 by by IN 28553 3380 32 means mean NNS 28553 3380 33 of of IN 28553 3380 34 a a DT 28553 3380 35 cylindrical cylindrical JJ 28553 3380 36 ring ring NN 28553 3380 37 of of IN 28553 3380 38 india india NNP 28553 3380 39 - - HYPH 28553 3380 40 rubber rubber NNP 28553 3380 41 , , , 28553 3380 42 rolling roll VBG 28553 3380 43 between between IN 28553 3380 44 the the DT 28553 3380 45 body body NN 28553 3380 46 of of IN 28553 3380 47 the the DT 28553 3380 48 piston piston NN 28553 3380 49 and and CC 28553 3380 50 the the DT 28553 3380 51 internal internal JJ 28553 3380 52 surface surface NN 28553 3380 53 of of IN 28553 3380 54 the the DT 28553 3380 55 cylinder cylinder NN 28553 3380 56 . . . 28553 3381 1 The the DT 28553 3381 2 piston piston NN 28553 3381 3 rod rod NN 28553 3381 4 ( ( -LRB- 28553 3381 5 25 25 CD 28553 3381 6 ) ) -RRB- 28553 3381 7 , , , 28553 3381 8 after after IN 28553 3381 9 passing pass VBG 28553 3381 10 through through IN 28553 3381 11 a a DT 28553 3381 12 stuffing stuffing NN 28553 3381 13 - - HYPH 28553 3381 14 box box NN 28553 3381 15 in in IN 28553 3381 16 the the DT 28553 3381 17 cylinder cylinder NN 28553 3381 18 cover cover NN 28553 3381 19 , , , 28553 3381 20 is be VBZ 28553 3381 21 attached attach VBN 28553 3381 22 to to IN 28553 3381 23 a a DT 28553 3381 24 rack rack NN 28553 3381 25 , , , 28553 3381 26 ( ( -LRB- 28553 3381 27 15 15 CD 28553 3381 28 ) ) -RRB- 28553 3381 29 , , , 28553 3381 30 which which WDT 28553 3381 31 gears gear VBZ 28553 3381 32 with with IN 28553 3381 33 a a DT 28553 3381 34 cog cog NN 28553 3381 35 , , , 28553 3381 36 ( ( -LRB- 28553 3381 37 13 13 CD 28553 3381 38 ) ) -RRB- 28553 3381 39 , , , 28553 3381 40 fixed fix VBN 28553 3381 41 on on IN 28553 3381 42 a a DT 28553 3381 43 shaft shaft NN 28553 3381 44 . . . 28553 3382 1 As as IN 28553 3382 2 the the DT 28553 3382 3 piston piston NN 28553 3382 4 moves move VBZ 28553 3382 5 up up RB 28553 3382 6 and and CC 28553 3382 7 down down RB 28553 3382 8 , , , 28553 3382 9 this this DT 28553 3382 10 cog cog NN 28553 3382 11 is be VBZ 28553 3382 12 turned turn VBN 28553 3382 13 first first RB 28553 3382 14 in in IN 28553 3382 15 one one CD 28553 3382 16 direction direction NN 28553 3382 17 , , , 28553 3382 18 then then RB 28553 3382 19 in in IN 28553 3382 20 the the DT 28553 3382 21 other other JJ 28553 3382 22 . . . 28553 3383 1 To to IN 28553 3383 2 this this DT 28553 3383 3 shaft shaft NN 28553 3383 4 is be VBZ 28553 3383 5 connected connect VBN 28553 3383 6 the the DT 28553 3383 7 index index NN 28553 3383 8 mechanism mechanism NN 28553 3383 9 ( ( -LRB- 28553 3383 10 to to IN 28553 3383 11 the the DT 28553 3383 12 right right NN 28553 3383 13 ) ) -RRB- 28553 3383 14 . . . 28553 3384 1 The the DT 28553 3384 2 cock cock NN 28553 3384 3 - - HYPH 28553 3384 4 key key NN 28553 3384 5 ( ( -LRB- 28553 3384 6 24 24 CD 28553 3384 7 ) ) -RRB- 28553 3384 8 is be VBZ 28553 3384 9 so so RB 28553 3384 10 constructed construct VBN 28553 3384 11 that that IN 28553 3384 12 it -PRON- PRP 28553 3384 13 can can MD 28553 3384 14 put put VB 28553 3384 15 either either DT 28553 3384 16 end end NN 28553 3384 17 of of IN 28553 3384 18 the the DT 28553 3384 19 measuring measure VBG 28553 3384 20 cylinder cylinder NN 28553 3384 21 in in IN 28553 3384 22 communication communication NN 28553 3384 23 with with IN 28553 3384 24 the the DT 28553 3384 25 supply supply NN 28553 3384 26 or or CC 28553 3384 27 delivery delivery NN 28553 3384 28 pipes pipe NNS 28553 3384 29 , , , 28553 3384 30 if if IN 28553 3384 31 given give VBN 28553 3384 32 a a DT 28553 3384 33 quarter quarter NN 28553 3384 34 turn turn NN 28553 3384 35 ( ( -LRB- 28553 3384 36 see see VB 28553 3384 37 Fig Fig NNP 28553 3384 38 . . . 28553 3385 1 184 184 CD 28553 3385 2 ) ) -RRB- 28553 3385 3 . . . 28553 3386 1 The the DT 28553 3386 2 weighted weighted JJ 28553 3386 3 lever lever NN 28553 3386 4 ( ( -LRB- 28553 3386 5 14 14 CD 28553 3386 6 ) ) -RRB- 28553 3386 7 moves move VBZ 28553 3386 8 loosely loosely RB 28553 3386 9 on on IN 28553 3386 10 the the DT 28553 3386 11 pinion pinion NN 28553 3386 12 shaft shaft NN 28553 3386 13 through through IN 28553 3386 14 part part NN 28553 3386 15 of of IN 28553 3386 16 a a DT 28553 3386 17 circle circle NN 28553 3386 18 . . . 28553 3387 1 From from IN 28553 3387 2 the the DT 28553 3387 3 pinion pinion NN 28553 3387 4 project project NN 28553 3387 5 two two CD 28553 3387 6 arms arm NNS 28553 3387 7 , , , 28553 3387 8 one one CD 28553 3387 9 on on IN 28553 3387 10 each each DT 28553 3387 11 side side NN 28553 3387 12 of of IN 28553 3387 13 the the DT 28553 3387 14 lever lever NN 28553 3387 15 . . . 28553 3388 1 When when WRB 28553 3388 2 the the DT 28553 3388 3 lever lever NN 28553 3388 4 has have VBZ 28553 3388 5 been be VBN 28553 3388 6 lifted lift VBN 28553 3388 7 by by IN 28553 3388 8 one one CD 28553 3388 9 of of IN 28553 3388 10 these these DT 28553 3388 11 past past IN 28553 3388 12 the the DT 28553 3388 13 vertical vertical JJ 28553 3388 14 position position NN 28553 3388 15 , , , 28553 3388 16 it -PRON- PRP 28553 3388 17 falls fall VBZ 28553 3388 18 by by IN 28553 3388 19 its -PRON- PRP$ 28553 3388 20 own own JJ 28553 3388 21 weight weight NN 28553 3388 22 on on IN 28553 3388 23 to to IN 28553 3388 24 a a DT 28553 3388 25 buffer buffer NN 28553 3388 26 - - HYPH 28553 3388 27 box box NN 28553 3388 28 rest rest NN 28553 3388 29 , , , 28553 3388 30 ( ( -LRB- 28553 3388 31 18 18 CD 28553 3388 32 ) ) -RRB- 28553 3388 33 . . . 28553 3389 1 In in IN 28553 3389 2 doing do VBG 28553 3389 3 so so RB 28553 3389 4 , , , 28553 3389 5 it -PRON- PRP 28553 3389 6 strikes strike VBZ 28553 3389 7 a a DT 28553 3389 8 projection projection NN 28553 3389 9 on on IN 28553 3389 10 the the DT 28553 3389 11 duplex duplex NNP 28553 3389 12 lever lever NN 28553 3389 13 ( ( -LRB- 28553 3389 14 19 19 CD 28553 3389 15 ) ) -RRB- 28553 3389 16 , , , 28553 3389 17 which which WDT 28553 3389 18 is be VBZ 28553 3389 19 joined join VBN 28553 3389 20 to to IN 28553 3389 21 the the DT 28553 3389 22 cock cock NN 28553 3389 23 - - HYPH 28553 3389 24 key key NN 28553 3389 25 , , , 28553 3389 26 and and CC 28553 3389 27 gives give VBZ 28553 3389 28 the the DT 28553 3389 29 latter latter JJ 28553 3389 30 a a DT 28553 3389 31 quarter quarter NN 28553 3389 32 turn turn NN 28553 3389 33 . . . 28553 3390 1 In in IN 28553 3390 2 order order NN 28553 3390 3 to to TO 28553 3390 4 follow follow VB 28553 3390 5 the the DT 28553 3390 6 working working NN 28553 3390 7 of of IN 28553 3390 8 the the DT 28553 3390 9 meter meter NN 28553 3390 10 , , , 28553 3390 11 we -PRON- PRP 28553 3390 12 must must MD 28553 3390 13 keep keep VB 28553 3390 14 an an DT 28553 3390 15 eye eye NN 28553 3390 16 on on IN 28553 3390 17 Figs Figs NNP 28553 3390 18 . . . 28553 3391 1 183 183 CD 28553 3391 2 and and CC 28553 3391 3 184 184 CD 28553 3391 4 simultaneously simultaneously RB 28553 3391 5 . . . 28553 3392 1 Water water NN 28553 3392 2 is be VBZ 28553 3392 3 entering enter VBG 28553 3392 4 from from IN 28553 3392 5 A a DT 28553 3392 6 , , , 28553 3392 7 the the DT 28553 3392 8 supply supply NN 28553 3392 9 pipe pipe NN 28553 3392 10 . . . 28553 3393 1 It -PRON- PRP 28553 3393 2 flows flow VBZ 28553 3393 3 through through IN 28553 3393 4 the the DT 28553 3393 5 cock cock NN 28553 3393 6 downwards downwards RB 28553 3393 7 through through IN 28553 3393 8 channel channel NN 28553 3393 9 D d NN 28553 3393 10 into into IN 28553 3393 11 the the DT 28553 3393 12 lower low JJR 28553 3393 13 half half NN 28553 3393 14 of of IN 28553 3393 15 the the DT 28553 3393 16 cylinder cylinder NN 28553 3393 17 . . . 28553 3394 1 The the DT 28553 3394 2 piston piston NN 28553 3394 3 rises rise VBZ 28553 3394 4 , , , 28553 3394 5 driving drive VBG 28553 3394 6 out out RP 28553 3394 7 the the DT 28553 3394 8 water water NN 28553 3394 9 above above IN 28553 3394 10 it -PRON- PRP 28553 3394 11 through through IN 28553 3394 12 C C NNP 28553 3394 13 to to IN 28553 3394 14 the the DT 28553 3394 15 delivery delivery NN 28553 3394 16 pipe pipe NN 28553 3394 17 B. B. NNP 28553 3395 1 Just just RB 28553 3395 2 as as IN 28553 3395 3 the the DT 28553 3395 4 piston piston NN 28553 3395 5 completes complete VBZ 28553 3395 6 its -PRON- PRP$ 28553 3395 7 stroke stroke NN 28553 3395 8 the the DT 28553 3395 9 weight weight NN 28553 3395 10 , , , 28553 3395 11 raised raise VBN 28553 3395 12 by by IN 28553 3395 13 the the DT 28553 3395 14 rack rack NN 28553 3395 15 and and CC 28553 3395 16 pinion pinion NN 28553 3395 17 , , , 28553 3395 18 topples topple VBZ 28553 3395 19 over over RB 28553 3395 20 , , , 28553 3395 21 and and CC 28553 3395 22 strikes strike VBZ 28553 3395 23 the the DT 28553 3395 24 key key NN 28553 3395 25 - - HYPH 28553 3395 26 arm arm NN 28553 3395 27 , , , 28553 3395 28 which which WDT 28553 3395 29 it -PRON- PRP 28553 3395 30 sends send VBZ 28553 3395 31 down down RB 28553 3395 32 till till IN 28553 3395 33 stopped stop VBN 28553 3395 34 by by IN 28553 3395 35 the the DT 28553 3395 36 buffer buffer NN 28553 3395 37 - - HYPH 28553 3395 38 box box NN 28553 3395 39 . . . 28553 3396 1 The the DT 28553 3396 2 tap tap NN 28553 3396 3 is be VBZ 28553 3396 4 then then RB 28553 3396 5 at at IN 28553 3396 6 right right JJ 28553 3396 7 angles angle NNS 28553 3396 8 to to IN 28553 3396 9 the the DT 28553 3396 10 position position NN 28553 3396 11 shown show VBN 28553 3396 12 in in IN 28553 3396 13 Fig Fig NNP 28553 3396 14 . . . 28553 3397 1 184 184 CD 28553 3397 2 , , , 28553 3397 3 and and CC 28553 3397 4 water water NN 28553 3397 5 is be VBZ 28553 3397 6 directed direct VBN 28553 3397 7 from from IN 28553 3397 8 A a NN 28553 3397 9 down down RB 28553 3397 10 C c NN 28553 3397 11 into into IN 28553 3397 12 the the DT 28553 3397 13 top top NN 28553 3397 14 of of IN 28553 3397 15 the the DT 28553 3397 16 cylinder cylinder NN 28553 3397 17 , , , 28553 3397 18 forcing force VBG 28553 3397 19 the the DT 28553 3397 20 piston piston NN 28553 3397 21 down down RP 28553 3397 22 , , , 28553 3397 23 while while IN 28553 3397 24 the the DT 28553 3397 25 water water NN 28553 3397 26 admitted admit VBD 28553 3397 27 below below IN 28553 3397 28 during during IN 28553 3397 29 the the DT 28553 3397 30 last last JJ 28553 3397 31 stroke stroke NN 28553 3397 32 is be VBZ 28553 3397 33 forced force VBN 28553 3397 34 up up RP 28553 3397 35 the the DT 28553 3397 36 passage passage NN 28553 3397 37 D d NN 28553 3397 38 , , , 28553 3397 39 and and CC 28553 3397 40 out out RB 28553 3397 41 by by IN 28553 3397 42 the the DT 28553 3397 43 outlet outlet NN 28553 3397 44 B. B. NNP 28553 3398 1 Before before IN 28553 3398 2 the the DT 28553 3398 3 piston piston NN 28553 3398 4 has have VBZ 28553 3398 5 arrived arrive VBN 28553 3398 6 at at IN 28553 3398 7 the the DT 28553 3398 8 bottom bottom NN 28553 3398 9 of of IN 28553 3398 10 the the DT 28553 3398 11 cylinder cylinder NN 28553 3398 12 , , , 28553 3398 13 the the DT 28553 3398 14 lifter lifter NN 28553 3398 15 will will MD 28553 3398 16 have have VB 28553 3398 17 lifted lift VBN 28553 3398 18 the the DT 28553 3398 19 weighted weighted JJ 28553 3398 20 lever lever NN 28553 3398 21 from from IN 28553 3398 22 the the DT 28553 3398 23 buffer buffer NN 28553 3398 24 - - HYPH 28553 3398 25 box box NN 28553 3398 26 , , , 28553 3398 27 and and CC 28553 3398 28 raised raise VBD 28553 3398 29 it -PRON- PRP 28553 3398 30 to to IN 28553 3398 31 a a DT 28553 3398 32 vertical vertical JJ 28553 3398 33 position position NN 28553 3398 34 ; ; : 28553 3398 35 from from IN 28553 3398 36 there there RB 28553 3398 37 it -PRON- PRP 28553 3398 38 will will MD 28553 3398 39 have have VB 28553 3398 40 fallen fall VBN 28553 3398 41 on on IN 28553 3398 42 the the DT 28553 3398 43 right right JJ 28553 3398 44 - - HYPH 28553 3398 45 hand hand NN 28553 3398 46 key key NN 28553 3398 47 - - HYPH 28553 3398 48 arm arm NN 28553 3398 49 , , , 28553 3398 50 and and CC 28553 3398 51 have have VBP 28553 3398 52 brought bring VBN 28553 3398 53 the the DT 28553 3398 54 cock cock NN 28553 3398 55 - - HYPH 28553 3398 56 key key NN 28553 3398 57 to to IN 28553 3398 58 its -PRON- PRP$ 28553 3398 59 former former JJ 28553 3398 60 position position NN 28553 3398 61 , , , 28553 3398 62 ready ready JJ 28553 3398 63 to to TO 28553 3398 64 begin begin VB 28553 3398 65 another another DT 28553 3398 66 upward upward JJ 28553 3398 67 stroke stroke NN 28553 3398 68 . . . 28553 3399 1 [ [ -LRB- 28553 3399 2 Illustration illustration NN 28553 3399 3 : : : 28553 3399 4 FIG FIG NNP 28553 3399 5 . . . 28553 3400 1 184 184 CD 28553 3400 2 . . . 28553 3400 3 ] ] -RRB- 28553 3401 1 The the DT 28553 3401 2 _ _ NNP 28553 3401 3 index index NN 28553 3401 4 mechanism mechanism NN 28553 3401 5 _ _ NNP 28553 3401 6 makes make VBZ 28553 3401 7 allowance allowance NN 28553 3401 8 for for IN 28553 3401 9 the the DT 28553 3401 10 fact fact NN 28553 3401 11 that that IN 28553 3401 12 the the DT 28553 3401 13 bevel bevel NN 28553 3401 14 - - HYPH 28553 3401 15 wheel wheel NN 28553 3401 16 on on IN 28553 3401 17 the the DT 28553 3401 18 pinion pinion NN 28553 3401 19 shaft shaft NN 28553 3401 20 has have VBZ 28553 3401 21 its -PRON- PRP$ 28553 3401 22 direction direction NN 28553 3401 23 reversed reverse VBN 28553 3401 24 at at IN 28553 3401 25 the the DT 28553 3401 26 beginning beginning NN 28553 3401 27 of of IN 28553 3401 28 every every DT 28553 3401 29 stroke stroke NN 28553 3401 30 of of IN 28553 3401 31 the the DT 28553 3401 32 piston piston NN 28553 3401 33 . . . 28553 3402 1 This this DT 28553 3402 2 bevel bevel NN 28553 3402 3 engages engage VBZ 28553 3402 4 with with IN 28553 3402 5 two two CD 28553 3402 6 others other NNS 28553 3402 7 mounted mount VBN 28553 3402 8 loosely loosely RB 28553 3402 9 on on IN 28553 3402 10 the the DT 28553 3402 11 little little JJ 28553 3402 12 shaft shaft NN 28553 3402 13 , , , 28553 3402 14 on on IN 28553 3402 15 which which WDT 28553 3402 16 is be VBZ 28553 3402 17 turned turn VBN 28553 3402 18 a a DT 28553 3402 19 screw screw NN 28553 3402 20 thread thread NN 28553 3402 21 to to TO 28553 3402 22 revolve revolve VB 28553 3402 23 the the DT 28553 3402 24 index index NN 28553 3402 25 counter counter NN 28553 3402 26 wheels wheel NNS 28553 3402 27 . . . 28553 3403 1 Each each DT 28553 3403 2 of of IN 28553 3403 3 these these DT 28553 3403 4 latter latter JJ 28553 3403 5 bevels bevel NNS 28553 3403 6 actuates actuate VBZ 28553 3403 7 the the DT 28553 3403 8 shaft shaft NN 28553 3403 9 through through IN 28553 3403 10 a a DT 28553 3403 11 ratchet ratchet NN 28553 3403 12 ; ; : 28553 3403 13 but but CC 28553 3403 14 while while IN 28553 3403 15 one one NN 28553 3403 16 turns turn VBZ 28553 3403 17 the the DT 28553 3403 18 shaft shaft NN 28553 3403 19 when when WRB 28553 3403 20 rotating rotate VBG 28553 3403 21 in in IN 28553 3403 22 a a DT 28553 3403 23 clockwise clockwise JJ 28553 3403 24 direction direction NN 28553 3403 25 only only RB 28553 3403 26 , , , 28553 3403 27 the the DT 28553 3403 28 other other JJ 28553 3403 29 engages engage NNS 28553 3403 30 it -PRON- PRP 28553 3403 31 when when WRB 28553 3403 32 making make VBG 28553 3403 33 an an DT 28553 3403 34 anti anti JJ 28553 3403 35 - - JJ 28553 3403 36 clockwise clockwise JJ 28553 3403 37 revolution revolution NN 28553 3403 38 . . . 28553 3404 1 The the DT 28553 3404 2 result result NN 28553 3404 3 is be VBZ 28553 3404 4 that that IN 28553 3404 5 the the DT 28553 3404 6 shaft shaft NN 28553 3404 7 is be VBZ 28553 3404 8 always always RB 28553 3404 9 turned turn VBN 28553 3404 10 in in RP 28553 3404 11 the the DT 28553 3404 12 same same JJ 28553 3404 13 direction direction NN 28553 3404 14 . . . 28553 3405 1 WATER water NN 28553 3405 2 - - HYPH 28553 3405 3 SUPPLY supply NN 28553 3405 4 SYSTEMS system NNS 28553 3405 5 . . . 28553 3406 1 The the DT 28553 3406 2 water water NN 28553 3406 3 for for IN 28553 3406 4 a a DT 28553 3406 5 town town NN 28553 3406 6 or or CC 28553 3406 7 a a DT 28553 3406 8 district district NN 28553 3406 9 supply supply NN 28553 3406 10 is be VBZ 28553 3406 11 got get VBN 28553 3406 12 either either CC 28553 3406 13 from from IN 28553 3406 14 wells well NNS 28553 3406 15 or or CC 28553 3406 16 from from IN 28553 3406 17 a a DT 28553 3406 18 river river NN 28553 3406 19 . . . 28553 3407 1 In in IN 28553 3407 2 the the DT 28553 3407 3 former former JJ 28553 3407 4 case case NN 28553 3407 5 it -PRON- PRP 28553 3407 6 may may MD 28553 3407 7 be be VB 28553 3407 8 assumed assume VBN 28553 3407 9 to to TO 28553 3407 10 be be VB 28553 3407 11 free free JJ 28553 3407 12 from from IN 28553 3407 13 impurities impurity NNS 28553 3407 14 . . . 28553 3408 1 In in IN 28553 3408 2 the the DT 28553 3408 3 latter latter JJ 28553 3408 4 , , , 28553 3408 5 there there EX 28553 3408 6 is be VBZ 28553 3408 7 need need NN 28553 3408 8 for for IN 28553 3408 9 removing remove VBG 28553 3408 10 all all PDT 28553 3408 11 the the DT 28553 3408 12 objectionable objectionable JJ 28553 3408 13 and and CC 28553 3408 14 dangerous dangerous JJ 28553 3408 15 matter matter NN 28553 3408 16 which which WDT 28553 3408 17 river river NN 28553 3408 18 water water NN 28553 3408 19 always always RB 28553 3408 20 contains contain VBZ 28553 3408 21 in in IN 28553 3408 22 a a DT 28553 3408 23 greater great JJR 28553 3408 24 or or CC 28553 3408 25 less less JJR 28553 3408 26 degree degree NN 28553 3408 27 . . . 28553 3409 1 This this DT 28553 3409 2 purification purification NN 28553 3409 3 is be VBZ 28553 3409 4 accomplished accomplish VBN 28553 3409 5 by by IN 28553 3409 6 first first RB 28553 3409 7 leading lead VBG 28553 3409 8 the the DT 28553 3409 9 water water NN 28553 3409 10 into into IN 28553 3409 11 large large JJ 28553 3409 12 _ _ NNP 28553 3409 13 settling settle VBG 28553 3409 14 tanks tank NNS 28553 3409 15 _ _ NNP 28553 3409 16 , , , 28553 3409 17 where where WRB 28553 3409 18 the the DT 28553 3409 19 suspended suspend VBN 28553 3409 20 matter matter NN 28553 3409 21 sinks sink NNS 28553 3409 22 to to IN 28553 3409 23 the the DT 28553 3409 24 bottom bottom NN 28553 3409 25 . . . 28553 3410 1 The the DT 28553 3410 2 water water NN 28553 3410 3 is be VBZ 28553 3410 4 then then RB 28553 3410 5 drawn draw VBN 28553 3410 6 off off RP 28553 3410 7 into into IN 28553 3410 8 _ _ NNP 28553 3410 9 filtration filtration NN 28553 3410 10 beds bed NNS 28553 3410 11 _ _ NNP 28553 3410 12 , , , 28553 3410 13 made make VBN 28553 3410 14 in in IN 28553 3410 15 the the DT 28553 3410 16 following follow VBG 28553 3410 17 manner manner NN 28553 3410 18 . . . 28553 3411 1 The the DT 28553 3411 2 bottom bottom NN 28553 3411 3 is be VBZ 28553 3411 4 covered cover VBN 28553 3411 5 with with IN 28553 3411 6 a a DT 28553 3411 7 thick thick JJ 28553 3411 8 layer layer NN 28553 3411 9 of of IN 28553 3411 10 concrete concrete NN 28553 3411 11 . . . 28553 3412 1 On on IN 28553 3412 2 this this DT 28553 3412 3 are be VBP 28553 3412 4 laid lay VBN 28553 3412 5 parallel parallel JJ 28553 3412 6 rows row NNS 28553 3412 7 of of IN 28553 3412 8 bricks brick NNS 28553 3412 9 , , , 28553 3412 10 the the DT 28553 3412 11 rows row NNS 28553 3412 12 a a DT 28553 3412 13 small small JJ 28553 3412 14 distance distance NN 28553 3412 15 apart apart RB 28553 3412 16 . . . 28553 3413 1 Then then RB 28553 3413 2 come come VB 28553 3413 3 a a DT 28553 3413 4 layer layer NN 28553 3413 5 of of IN 28553 3413 6 bricks brick NNS 28553 3413 7 or or CC 28553 3413 8 tiles tile NNS 28553 3413 9 placed place VBD 28553 3413 10 close close RB 28553 3413 11 together together RB 28553 3413 12 ; ; : 28553 3413 13 a a DT 28553 3413 14 layer layer NN 28553 3413 15 of of IN 28553 3413 16 coarse coarse JJ 28553 3413 17 gravel gravel NN 28553 3413 18 ; ; : 28553 3413 19 a a DT 28553 3413 20 layer layer NN 28553 3413 21 of of IN 28553 3413 22 finer fine JJR 28553 3413 23 gravel gravel NN 28553 3413 24 ; ; : 28553 3413 25 and and CC 28553 3413 26 a a DT 28553 3413 27 thick thick JJ 28553 3413 28 layer layer NN 28553 3413 29 of of IN 28553 3413 30 sand sand NN 28553 3413 31 at at IN 28553 3413 32 the the DT 28553 3413 33 top top NN 28553 3413 34 . . . 28553 3414 1 The the DT 28553 3414 2 sand sand NN 28553 3414 3 arrests arrest VBZ 28553 3414 4 any any DT 28553 3414 5 solid solid JJ 28553 3414 6 matter matter NN 28553 3414 7 in in IN 28553 3414 8 the the DT 28553 3414 9 water water NN 28553 3414 10 as as IN 28553 3414 11 it -PRON- PRP 28553 3414 12 percolates percolate VBZ 28553 3414 13 to to IN 28553 3414 14 the the DT 28553 3414 15 gravel gravel NN 28553 3414 16 and and CC 28553 3414 17 drains drain VBZ 28553 3414 18 below below RB 28553 3414 19 . . . 28553 3415 1 Even even RB 28553 3415 2 the the DT 28553 3415 3 microbes,[36 microbes,[36 CD 28553 3415 4 ] ] -RRB- 28553 3415 5 of of IN 28553 3415 6 microscopic microscopic JJ 28553 3415 7 size size NN 28553 3415 8 , , , 28553 3415 9 are be VBP 28553 3415 10 arrested arrest VBN 28553 3415 11 as as RB 28553 3415 12 soon soon RB 28553 3415 13 as as IN 28553 3415 14 the the DT 28553 3415 15 film film NN 28553 3415 16 of of IN 28553 3415 17 mud mud NN 28553 3415 18 has have VBZ 28553 3415 19 formed form VBN 28553 3415 20 on on IN 28553 3415 21 the the DT 28553 3415 22 top top NN 28553 3415 23 of of IN 28553 3415 24 the the DT 28553 3415 25 sand sand NN 28553 3415 26 . . . 28553 3416 1 Until until IN 28553 3416 2 this this DT 28553 3416 3 film film NN 28553 3416 4 is be VBZ 28553 3416 5 formed form VBN 28553 3416 6 the the DT 28553 3416 7 filter filter NN 28553 3416 8 is be VBZ 28553 3416 9 not not RB 28553 3416 10 in in IN 28553 3416 11 its -PRON- PRP$ 28553 3416 12 most most RBS 28553 3416 13 efficient efficient JJ 28553 3416 14 condition condition NN 28553 3416 15 . . . 28553 3417 1 Every every DT 28553 3417 2 now now RB 28553 3417 3 and and CC 28553 3417 4 then then RB 28553 3417 5 the the DT 28553 3417 6 bed bed NN 28553 3417 7 is be VBZ 28553 3417 8 drained drain VBN 28553 3417 9 , , , 28553 3417 10 the the DT 28553 3417 11 surface surface NN 28553 3417 12 mud mud NN 28553 3417 13 and and CC 28553 3417 14 sand sand NN 28553 3417 15 carefully carefully RB 28553 3417 16 drained drain VBD 28553 3417 17 off off RP 28553 3417 18 , , , 28553 3417 19 and and CC 28553 3417 20 fresh fresh JJ 28553 3417 21 sand sand NN 28553 3417 22 put put VBN 28553 3417 23 in in IN 28553 3417 24 their -PRON- PRP$ 28553 3417 25 place place NN 28553 3417 26 . . . 28553 3418 1 A a DT 28553 3418 2 good good JJ 28553 3418 3 filter filter NN 28553 3418 4 bed bed NN 28553 3418 5 should should MD 28553 3418 6 not not RB 28553 3418 7 pass pass VB 28553 3418 8 more more JJR 28553 3418 9 than than IN 28553 3418 10 from from IN 28553 3418 11 two two CD 28553 3418 12 to to IN 28553 3418 13 three three CD 28553 3418 14 gallons gallon NNS 28553 3418 15 per per IN 28553 3418 16 hour hour NN 28553 3418 17 for for IN 28553 3418 18 every every DT 28553 3418 19 square square JJ 28553 3418 20 foot foot NN 28553 3418 21 of of IN 28553 3418 22 surface surface NN 28553 3418 23 , , , 28553 3418 24 and and CC 28553 3418 25 it -PRON- PRP 28553 3418 26 must must MD 28553 3418 27 therefore therefore RB 28553 3418 28 have have VB 28553 3418 29 a a DT 28553 3418 30 large large JJ 28553 3418 31 area area NN 28553 3418 32 . . . 28553 3419 1 It -PRON- PRP 28553 3419 2 is be VBZ 28553 3419 3 sometimes sometimes RB 28553 3419 4 necessary necessary JJ 28553 3419 5 to to TO 28553 3419 6 send send VB 28553 3419 7 the the DT 28553 3419 8 water water NN 28553 3419 9 through through IN 28553 3419 10 a a DT 28553 3419 11 succession succession NN 28553 3419 12 of of IN 28553 3419 13 beds bed NNS 28553 3419 14 , , , 28553 3419 15 arranged arrange VBN 28553 3419 16 in in IN 28553 3419 17 terraces terrace NNS 28553 3419 18 , , , 28553 3419 19 before before IN 28553 3419 20 it -PRON- PRP 28553 3419 21 is be VBZ 28553 3419 22 sufficiently sufficiently RB 28553 3419 23 pure pure JJ 28553 3419 24 for for IN 28553 3419 25 drinking drink VBG 28553 3419 26 purposes purpose NNS 28553 3419 27 . . . 28553 3420 1 THE the DT 28553 3420 2 HOUSEHOLD household NN 28553 3420 3 FILTER FILTER NNP 28553 3420 4 . . . 28553 3421 1 When when WRB 28553 3421 2 there there EX 28553 3421 3 is be VBZ 28553 3421 4 any any DT 28553 3421 5 doubt doubt NN 28553 3421 6 as as IN 28553 3421 7 to to IN 28553 3421 8 the the DT 28553 3421 9 wholesomeness wholesomeness NN 28553 3421 10 of of IN 28553 3421 11 the the DT 28553 3421 12 water water NN 28553 3421 13 supply supply NN 28553 3421 14 , , , 28553 3421 15 a a DT 28553 3421 16 small small JJ 28553 3421 17 filter filter NN 28553 3421 18 is be VBZ 28553 3421 19 often often RB 28553 3421 20 used use VBN 28553 3421 21 . . . 28553 3422 1 The the DT 28553 3422 2 microbe microbe NN 28553 3422 3 - - HYPH 28553 3422 4 stopper stopper NNP 28553 3422 5 is be VBZ 28553 3422 6 usually usually RB 28553 3422 7 either either DT 28553 3422 8 charcoal charcoal NN 28553 3422 9 , , , 28553 3422 10 sand sand NN 28553 3422 11 , , , 28553 3422 12 asbestos asbestos NN 28553 3422 13 , , , 28553 3422 14 or or CC 28553 3422 15 baked bake VBN 28553 3422 16 clay clay NN 28553 3422 17 of of IN 28553 3422 18 some some DT 28553 3422 19 kind kind NN 28553 3422 20 . . . 28553 3423 1 In in IN 28553 3423 2 Fig Fig NNP 28553 3423 3 . . . 28553 3424 1 185 185 CD 28553 3424 2 we -PRON- PRP 28553 3424 3 give give VBP 28553 3424 4 a a DT 28553 3424 5 section section NN 28553 3424 6 of of IN 28553 3424 7 a a DT 28553 3424 8 Maignen Maignen NNP 28553 3424 9 filter filter NN 28553 3424 10 . . . 28553 3425 1 R r NN 28553 3425 2 is be VBZ 28553 3425 3 the the DT 28553 3425 4 reservoir reservoir NN 28553 3425 5 for for IN 28553 3425 6 the the DT 28553 3425 7 filtered filtered JJ 28553 3425 8 water water NN 28553 3425 9 ; ; : 28553 3425 10 A a DT 28553 3425 11 the the DT 28553 3425 12 filter filter NN 28553 3425 13 case case NN 28553 3425 14 proper proper JJ 28553 3425 15 ; ; : 28553 3425 16 D d PDT 28553 3425 17 a a DT 28553 3425 18 conical conical JJ 28553 3425 19 perforated perforate VBN 28553 3425 20 frame frame NN 28553 3425 21 ; ; : 28553 3425 22 B b NN 28553 3425 23 a a DT 28553 3425 24 jacket jacket NN 28553 3425 25 of of IN 28553 3425 26 asbestos asbestos NN 28553 3425 27 cloth cloth NN 28553 3425 28 secured secure VBN 28553 3425 29 top top JJ 28553 3425 30 and and CC 28553 3425 31 bottom bottom NN 28553 3425 32 by by IN 28553 3425 33 asbestos asbestos NN 28553 3425 34 cords cord NNS 28553 3425 35 to to IN 28553 3425 36 D d NN 28553 3425 37 ; ; : 28553 3425 38 C C NNP 28553 3425 39 powdered powder VBN 28553 3425 40 carbon carbon NN 28553 3425 41 , , , 28553 3425 42 between between IN 28553 3425 43 which which WDT 28553 3425 44 and and CC 28553 3425 45 the the DT 28553 3425 46 asbestos asbestos NN 28553 3425 47 is be VBZ 28553 3425 48 a a DT 28553 3425 49 layer layer NN 28553 3425 50 of of IN 28553 3425 51 special special JJ 28553 3425 52 chemical chemical NN 28553 3425 53 filtering filtering NN 28553 3425 54 medium medium NN 28553 3425 55 . . . 28553 3426 1 A a DT 28553 3426 2 perforated perforated JJ 28553 3426 3 cap cap NN 28553 3426 4 , , , 28553 3426 5 E E NNS 28553 3426 6 , , , 28553 3426 7 covers cover VBZ 28553 3426 8 in in IN 28553 3426 9 the the DT 28553 3426 10 carbon carbon NN 28553 3426 11 and and CC 28553 3426 12 prevents prevent VBZ 28553 3426 13 it -PRON- PRP 28553 3426 14 being be VBG 28553 3426 15 disturbed disturb VBN 28553 3426 16 when when WRB 28553 3426 17 water water NN 28553 3426 18 is be VBZ 28553 3426 19 poured pour VBN 28553 3426 20 in in RP 28553 3426 21 . . . 28553 3427 1 The the DT 28553 3427 2 carbon carbon NN 28553 3427 3 arrests arrest VBZ 28553 3427 4 the the DT 28553 3427 5 coarser coarser NN 28553 3427 6 forms form NNS 28553 3427 7 of of IN 28553 3427 8 matter matter NN 28553 3427 9 ; ; : 28553 3427 10 the the DT 28553 3427 11 asbestos asbestos NN 28553 3427 12 the the DT 28553 3427 13 finer fine JJR 28553 3427 14 . . . 28553 3428 1 The the DT 28553 3428 2 asbestos asbestos NN 28553 3428 3 jacket jacket NN 28553 3428 4 is be VBZ 28553 3428 5 easily easily RB 28553 3428 6 removed remove VBN 28553 3428 7 and and CC 28553 3428 8 cleansed cleanse VBN 28553 3428 9 by by IN 28553 3428 10 heating heat VBG 28553 3428 11 over over IN 28553 3428 12 a a DT 28553 3428 13 fire fire NN 28553 3428 14 . . . 28553 3429 1 [ [ -LRB- 28553 3429 2 Illustration illustration NN 28553 3429 3 : : : 28553 3429 4 FIG FIG NNP 28553 3429 5 . . . 28553 3430 1 185 185 CD 28553 3430 2 . . . 28553 3430 3 ] ] -RRB- 28553 3431 1 The the DT 28553 3431 2 most most RBS 28553 3431 3 useful useful JJ 28553 3431 4 form form NN 28553 3431 5 of of IN 28553 3431 6 household household NN 28553 3431 7 filter filter NN 28553 3431 8 is be VBZ 28553 3431 9 one one CD 28553 3431 10 which which WDT 28553 3431 11 can can MD 28553 3431 12 be be VB 28553 3431 13 attached attach VBN 28553 3431 14 to to IN 28553 3431 15 a a DT 28553 3431 16 tap tap NN 28553 3431 17 connected connect VBN 28553 3431 18 with with IN 28553 3431 19 the the DT 28553 3431 20 main main NN 28553 3431 21 . . . 28553 3432 1 Such such PDT 28553 3432 2 a a DT 28553 3432 3 filter filter NN 28553 3432 4 is be VBZ 28553 3432 5 usually usually RB 28553 3432 6 made make VBN 28553 3432 7 of of IN 28553 3432 8 porcelain porcelain NN 28553 3432 9 or or CC 28553 3432 10 biscuit biscuit NN 28553 3432 11 china china NNP 28553 3432 12 . . . 28553 3433 1 The the DT 28553 3433 2 Berkefeld Berkefeld NNP 28553 3433 3 filter filter NN 28553 3433 4 has have VBZ 28553 3433 5 an an DT 28553 3433 6 outer outer JJ 28553 3433 7 case case NN 28553 3433 8 of of IN 28553 3433 9 iron iron NN 28553 3433 10 , , , 28553 3433 11 and and CC 28553 3433 12 an an DT 28553 3433 13 interior interior JJ 28553 3433 14 hollow hollow JJ 28553 3433 15 " " `` 28553 3433 16 candle candle NN 28553 3433 17 " " '' 28553 3433 18 of of IN 28553 3433 19 porcelain porcelain NN 28553 3433 20 from from IN 28553 3433 21 which which WDT 28553 3433 22 a a DT 28553 3433 23 tube tube NN 28553 3433 24 passes pass VBZ 28553 3433 25 through through IN 28553 3433 26 the the DT 28553 3433 27 lid lid NN 28553 3433 28 of of IN 28553 3433 29 the the DT 28553 3433 30 filter filter NN 28553 3433 31 to to IN 28553 3433 32 a a DT 28553 3433 33 storage storage NN 28553 3433 34 tank tank NN 28553 3433 35 for for IN 28553 3433 36 the the DT 28553 3433 37 filtered filtered JJ 28553 3433 38 water water NN 28553 3433 39 . . . 28553 3434 1 The the DT 28553 3434 2 water water NN 28553 3434 3 from from IN 28553 3434 4 the the DT 28553 3434 5 main main JJ 28553 3434 6 enters enter VBZ 28553 3434 7 the the DT 28553 3434 8 outer outer JJ 28553 3434 9 case case NN 28553 3434 10 , , , 28553 3434 11 and and CC 28553 3434 12 percolates percolate VBZ 28553 3434 13 through through IN 28553 3434 14 the the DT 28553 3434 15 porcelain porcelain NN 28553 3434 16 walls wall NNS 28553 3434 17 to to IN 28553 3434 18 the the DT 28553 3434 19 internal internal JJ 28553 3434 20 cavity cavity NN 28553 3434 21 and and CC 28553 3434 22 thence thence NN 28553 3434 23 flows flow VBZ 28553 3434 24 away away RB 28553 3434 25 through through IN 28553 3434 26 the the DT 28553 3434 27 delivery delivery NN 28553 3434 28 pipe pipe NN 28553 3434 29 . . . 28553 3435 1 Whatever whatever WDT 28553 3435 2 be be VB 28553 3435 3 the the DT 28553 3435 4 type type NN 28553 3435 5 of of IN 28553 3435 6 filter filter NN 28553 3435 7 used use VBD 28553 3435 8 it -PRON- PRP 28553 3435 9 must must MD 28553 3435 10 be be VB 28553 3435 11 cleansed cleanse VBN 28553 3435 12 at at IN 28553 3435 13 proper proper JJ 28553 3435 14 intervals interval NNS 28553 3435 15 . . . 28553 3436 1 A a DT 28553 3436 2 foul foul JJ 28553 3436 3 filter filter NN 28553 3436 4 is be VBZ 28553 3436 5 very very RB 28553 3436 6 dangerous dangerous JJ 28553 3436 7 to to IN 28553 3436 8 those those DT 28553 3436 9 who who WP 28553 3436 10 drink drink VBP 28553 3436 11 the the DT 28553 3436 12 water water NN 28553 3436 13 from from IN 28553 3436 14 it -PRON- PRP 28553 3436 15 . . . 28553 3437 1 It -PRON- PRP 28553 3437 2 has have VBZ 28553 3437 3 been be VBN 28553 3437 4 proved prove VBN 28553 3437 5 by by IN 28553 3437 6 tests test NNS 28553 3437 7 that that WDT 28553 3437 8 , , , 28553 3437 9 so so RB 28553 3437 10 far far RB 28553 3437 11 from from IN 28553 3437 12 purifying purify VBG 28553 3437 13 the the DT 28553 3437 14 water water NN 28553 3437 15 , , , 28553 3437 16 an an DT 28553 3437 17 inefficient inefficient JJ 28553 3437 18 and and CC 28553 3437 19 contaminated contaminate VBD 28553 3437 20 filter filter NN 28553 3437 21 passes pass VBZ 28553 3437 22 out out RP 28553 3437 23 water water NN 28553 3437 24 much much RB 28553 3437 25 more more RBR 28553 3437 26 highly highly RB 28553 3437 27 charged charge VBN 28553 3437 28 with with IN 28553 3437 29 microbes microbe NNS 28553 3437 30 than than IN 28553 3437 31 it -PRON- PRP 28553 3437 32 was be VBD 28553 3437 33 before before IN 28553 3437 34 it -PRON- PRP 28553 3437 35 entered enter VBD 28553 3437 36 . . . 28553 3438 1 We -PRON- PRP 28553 3438 2 must must MD 28553 3438 3 not not RB 28553 3438 4 therefore therefore RB 28553 3438 5 think think VB 28553 3438 6 that that IN 28553 3438 7 , , , 28553 3438 8 because because IN 28553 3438 9 water water NN 28553 3438 10 has have VBZ 28553 3438 11 been be VBN 28553 3438 12 filtered filter VBN 28553 3438 13 , , , 28553 3438 14 it -PRON- PRP 28553 3438 15 is be VBZ 28553 3438 16 necessarily necessarily RB 28553 3438 17 safe safe JJ 28553 3438 18 . . . 28553 3439 1 The the DT 28553 3439 2 reverse reverse NN 28553 3439 3 is be VBZ 28553 3439 4 only only RB 28553 3439 5 too too RB 28553 3439 6 often often RB 28553 3439 7 the the DT 28553 3439 8 case case NN 28553 3439 9 . . . 28553 3440 1 GAS gas NN 28553 3440 2 TRAPS TRAPS NNP 28553 3440 3 . . . 28553 3441 1 Dangerous dangerous JJ 28553 3441 2 microbes microbe NNS 28553 3441 3 can can MD 28553 3441 4 be be VB 28553 3441 5 breathed breathe VBN 28553 3441 6 as as RB 28553 3441 7 well well RB 28553 3441 8 as as IN 28553 3441 9 drunk drunk JJ 28553 3441 10 into into IN 28553 3441 11 the the DT 28553 3441 12 human human JJ 28553 3441 13 system system NN 28553 3441 14 . . . 28553 3442 1 Every every DT 28553 3442 2 communication communication NN 28553 3442 3 between between IN 28553 3442 4 house house NN 28553 3442 5 and and CC 28553 3442 6 drains drain NNS 28553 3442 7 should should MD 28553 3442 8 be be VB 28553 3442 9 most most RBS 28553 3442 10 carefully carefully RB 28553 3442 11 " " `` 28553 3442 12 trapped trap VBN 28553 3442 13 . . . 28553 3442 14 " " '' 28553 3443 1 The the DT 28553 3443 2 principle principle NN 28553 3443 3 of of IN 28553 3443 4 a a DT 28553 3443 5 gas gas NN 28553 3443 6 trap trap NN 28553 3443 7 between between IN 28553 3443 8 , , , 28553 3443 9 say say UH 28553 3443 10 , , , 28553 3443 11 a a DT 28553 3443 12 kitchen kitchen NN 28553 3443 13 sink sink NN 28553 3443 14 and and CC 28553 3443 15 the the DT 28553 3443 16 drain drain NN 28553 3443 17 to to TO 28553 3443 18 carry carry VB 28553 3443 19 off off RP 28553 3443 20 the the DT 28553 3443 21 water water NN 28553 3443 22 is be VBZ 28553 3443 23 given give VBN 28553 3443 24 in in IN 28553 3443 25 Fig Fig NNP 28553 3443 26 . . . 28553 3444 1 186 186 CD 28553 3444 2 . . . 28553 3445 1 Enough enough JJ 28553 3445 2 water water NN 28553 3445 3 always always RB 28553 3445 4 remains remain VBZ 28553 3445 5 in in IN 28553 3445 6 the the DT 28553 3445 7 bend bend NN 28553 3445 8 to to TO 28553 3445 9 rise rise VB 28553 3445 10 above above IN 28553 3445 11 the the DT 28553 3445 12 level level NN 28553 3445 13 of of IN 28553 3445 14 the the DT 28553 3445 15 elbow elbow NN 28553 3445 16 , , , 28553 3445 17 effectually effectually RB 28553 3445 18 keeping keep VBG 28553 3445 19 back back RP 28553 3445 20 any any DT 28553 3445 21 gas gas NN 28553 3445 22 that that WDT 28553 3445 23 there there EX 28553 3445 24 may may MD 28553 3445 25 be be VB 28553 3445 26 in in IN 28553 3445 27 the the DT 28553 3445 28 pipe pipe NN 28553 3445 29 beyond beyond IN 28553 3445 30 the the DT 28553 3445 31 bend bend NN 28553 3445 32 . . . 28553 3446 1 [ [ -LRB- 28553 3446 2 Illustration illustration NN 28553 3446 3 : : : 28553 3446 4 FIG FIG NNP 28553 3446 5 . . . 28553 3447 1 186.--A 186.--a CD 28553 3447 2 trap trap NN 28553 3447 3 for for IN 28553 3447 4 foul foul JJ 28553 3447 5 air air NN 28553 3447 6 . . . 28553 3447 7 ] ] -RRB- 28553 3448 1 WATER water NN 28553 3448 2 - - HYPH 28553 3448 3 ENGINES ENGINES NNP 28553 3448 4 . . . 28553 3449 1 Before before IN 28553 3449 2 the the DT 28553 3449 3 invention invention NN 28553 3449 4 of of IN 28553 3449 5 the the DT 28553 3449 6 steam steam NN 28553 3449 7 - - HYPH 28553 3449 8 engine engine NN 28553 3449 9 human human JJ 28553 3449 10 industries industry NNS 28553 3449 11 were be VBD 28553 3449 12 largely largely RB 28553 3449 13 dependent dependent JJ 28553 3449 14 on on IN 28553 3449 15 the the DT 28553 3449 16 motive motive JJ 28553 3449 17 power power NN 28553 3449 18 of of IN 28553 3449 19 the the DT 28553 3449 20 wind wind NN 28553 3449 21 and and CC 28553 3449 22 running running NN 28553 3449 23 water water NN 28553 3449 24 . . . 28553 3450 1 But but CC 28553 3450 2 when when WRB 28553 3450 3 the the DT 28553 3450 4 infant infant NN 28553 3450 5 nursed nurse VBN 28553 3450 6 by by IN 28553 3450 7 Watt Watt NNP 28553 3450 8 and and CC 28553 3450 9 Stephenson Stephenson NNP 28553 3450 10 had have VBD 28553 3450 11 grown grow VBN 28553 3450 12 into into IN 28553 3450 13 a a DT 28553 3450 14 giant giant NN 28553 3450 15 , , , 28553 3450 16 both both DT 28553 3450 17 of of IN 28553 3450 18 these these DT 28553 3450 19 natural natural JJ 28553 3450 20 agents agent NNS 28553 3450 21 were be VBD 28553 3450 22 deposed depose VBN 28553 3450 23 from from IN 28553 3450 24 the the DT 28553 3450 25 important important JJ 28553 3450 26 position position NN 28553 3450 27 they -PRON- PRP 28553 3450 28 once once RB 28553 3450 29 held hold VBD 28553 3450 30 . . . 28553 3451 1 Windmills windmill NNS 28553 3451 2 in in IN 28553 3451 3 a a DT 28553 3451 4 state state NN 28553 3451 5 of of IN 28553 3451 6 decay decay NN 28553 3451 7 crown crown NN 28553 3451 8 many many JJ 28553 3451 9 of of IN 28553 3451 10 our -PRON- PRP$ 28553 3451 11 hilltops hilltop NNS 28553 3451 12 , , , 28553 3451 13 and and CC 28553 3451 14 the the DT 28553 3451 15 water water NN 28553 3451 16 - - HYPH 28553 3451 17 wheel wheel NN 28553 3451 18 which which WDT 28553 3451 19 formerly formerly RB 28553 3451 20 brought bring VBD 28553 3451 21 wealth wealth NN 28553 3451 22 to to IN 28553 3451 23 the the DT 28553 3451 24 miller miller NN 28553 3451 25 now now RB 28553 3451 26 rots rot VBZ 28553 3451 27 in in IN 28553 3451 28 its -PRON- PRP$ 28553 3451 29 mountings mounting NNS 28553 3451 30 at at IN 28553 3451 31 the the DT 28553 3451 32 end end NN 28553 3451 33 of of IN 28553 3451 34 the the DT 28553 3451 35 dam dam NN 28553 3451 36 . . . 28553 3452 1 Except except IN 28553 3452 2 for for IN 28553 3452 3 pumping pump VBG 28553 3452 4 and and CC 28553 3452 5 moving move VBG 28553 3452 6 boats boat NNS 28553 3452 7 and and CC 28553 3452 8 ships ship NNS 28553 3452 9 , , , 28553 3452 10 wind wind NN 28553 3452 11 - - HYPH 28553 3452 12 power power NN 28553 3452 13 finds find VBZ 28553 3452 14 its -PRON- PRP$ 28553 3452 15 occupation occupation NN 28553 3452 16 gone go VBN 28553 3452 17 . . . 28553 3453 1 It -PRON- PRP 28553 3453 2 is be VBZ 28553 3453 3 too too RB 28553 3453 4 uncertain uncertain JJ 28553 3453 5 in in IN 28553 3453 6 quantity quantity NN 28553 3453 7 and and CC 28553 3453 8 quality quality NN 28553 3453 9 to to TO 28553 3453 10 find find VB 28553 3453 11 a a DT 28553 3453 12 place place NN 28553 3453 13 in in IN 28553 3453 14 modern modern JJ 28553 3453 15 economics economic NNS 28553 3453 16 . . . 28553 3454 1 Water water NN 28553 3454 2 - - HYPH 28553 3454 3 power power NN 28553 3454 4 , , , 28553 3454 5 on on IN 28553 3454 6 the the DT 28553 3454 7 other other JJ 28553 3454 8 hand hand NN 28553 3454 9 , , , 28553 3454 10 has have VBZ 28553 3454 11 received receive VBN 28553 3454 12 a a DT 28553 3454 13 fresh fresh JJ 28553 3454 14 lease lease NN 28553 3454 15 of of IN 28553 3454 16 life life NN 28553 3454 17 through through IN 28553 3454 18 the the DT 28553 3454 19 invention invention NN 28553 3454 20 of of IN 28553 3454 21 machinery machinery NN 28553 3454 22 so so RB 28553 3454 23 scientifically scientifically RB 28553 3454 24 designed design VBN 28553 3454 25 as as IN 28553 3454 26 to to TO 28553 3454 27 use use VB 28553 3454 28 much much RB 28553 3454 29 more more JJR 28553 3454 30 of of IN 28553 3454 31 the the DT 28553 3454 32 water water NN 28553 3454 33 's 's POS 28553 3454 34 energy energy NN 28553 3454 35 than than IN 28553 3454 36 was be VBD 28553 3454 37 possible possible JJ 28553 3454 38 with with IN 28553 3454 39 the the DT 28553 3454 40 old old JJ 28553 3454 41 - - HYPH 28553 3454 42 fashioned fashioned JJ 28553 3454 43 wheel wheel NN 28553 3454 44 . . . 28553 3455 1 [ [ -LRB- 28553 3455 2 Illustration illustration NN 28553 3455 3 : : : 28553 3455 4 FIG FIG NNP 28553 3455 5 . . . 28553 3456 1 187.--A 187.--a LS 28553 3456 2 Pelton Pelton NNP 28553 3456 3 wheel wheel NN 28553 3456 4 which which WDT 28553 3456 5 develops develop VBZ 28553 3456 6 5,000 5,000 CD 28553 3456 7 horse horse NN 28553 3456 8 - - HYPH 28553 3456 9 power power NN 28553 3456 10 . . . 28553 3457 1 Observe observe VB 28553 3457 2 the the DT 28553 3457 3 shape shape NN 28553 3457 4 of of IN 28553 3457 5 the the DT 28553 3457 6 double double JJ 28553 3457 7 buckets bucket NNS 28553 3457 8 . . . 28553 3457 9 ] ] -RRB- 28553 3458 1 The the DT 28553 3458 2 _ _ NNP 28553 3458 3 turbine turbine NN 28553 3458 4 _ _ NNP 28553 3458 5 , , , 28553 3458 6 of of IN 28553 3458 7 which which WDT 28553 3458 8 we -PRON- PRP 28553 3458 9 have have VBP 28553 3458 10 already already RB 28553 3458 11 spoken speak VBN 28553 3458 12 in in IN 28553 3458 13 our -PRON- PRP$ 28553 3458 14 third third JJ 28553 3458 15 chapter chapter NN 28553 3458 16 , , , 28553 3458 17 is be VBZ 28553 3458 18 now now RB 28553 3458 19 the the DT 28553 3458 20 favourite favourite JJ 28553 3458 21 hydraulic hydraulic JJ 28553 3458 22 engine engine NN 28553 3458 23 . . . 28553 3459 1 Some some DT 28553 3459 2 water water NN 28553 3459 3 - - HYPH 28553 3459 4 turbines turbine NNS 28553 3459 5 work work VBP 28553 3459 6 on on IN 28553 3459 7 much much RB 28553 3459 8 the the DT 28553 3459 9 same same JJ 28553 3459 10 principle principle NN 28553 3459 11 as as IN 28553 3459 12 the the DT 28553 3459 13 Parsons Parsons NNPS 28553 3459 14 steam steam NN 28553 3459 15 - - HYPH 28553 3459 16 turbine turbine NN 28553 3459 17 ; ; : 28553 3459 18 others other NNS 28553 3459 19 resemble resemble VBP 28553 3459 20 the the DT 28553 3459 21 De De NNP 28553 3459 22 Laval Laval NNP 28553 3459 23 . . . 28553 3460 1 Among among IN 28553 3460 2 the the DT 28553 3460 3 latter latter JJ 28553 3460 4 the the DT 28553 3460 5 Pelton Pelton NNP 28553 3460 6 wheel wheel NN 28553 3460 7 takes take VBZ 28553 3460 8 the the DT 28553 3460 9 first first JJ 28553 3460 10 place place NN 28553 3460 11 . . . 28553 3461 1 By by IN 28553 3461 2 the the DT 28553 3461 3 courtesy courtesy NN 28553 3461 4 of of IN 28553 3461 5 the the DT 28553 3461 6 manufacturers manufacturer NNS 28553 3461 7 we -PRON- PRP 28553 3461 8 are be VBP 28553 3461 9 able able JJ 28553 3461 10 to to TO 28553 3461 11 give give VB 28553 3461 12 some some DT 28553 3461 13 interesting interesting JJ 28553 3461 14 details detail NNS 28553 3461 15 and and CC 28553 3461 16 illustrations illustration NNS 28553 3461 17 of of IN 28553 3461 18 this this DT 28553 3461 19 device device NN 28553 3461 20 . . . 28553 3462 1 [ [ -LRB- 28553 3462 2 Illustration illustration NN 28553 3462 3 : : : 28553 3462 4 FIG FIG NNP 28553 3462 5 . . . 28553 3463 1 188.--Pelton 188.--pelton CD 28553 3463 2 wheel wheel NN 28553 3463 3 mounted mount VBN 28553 3463 4 , , , 28553 3463 5 with with IN 28553 3463 6 nozzle nozzle NN 28553 3463 7 in in IN 28553 3463 8 position position NN 28553 3463 9 . . . 28553 3463 10 ] ] -RRB- 28553 3464 1 The the DT 28553 3464 2 wheel wheel NN 28553 3464 3 , , , 28553 3464 4 which which WDT 28553 3464 5 may may MD 28553 3464 6 be be VB 28553 3464 7 of of IN 28553 3464 8 any any DT 28553 3464 9 diameter diameter NN 28553 3464 10 from from IN 28553 3464 11 six six CD 28553 3464 12 inches inch NNS 28553 3464 13 to to IN 28553 3464 14 ten ten CD 28553 3464 15 feet foot NNS 28553 3464 16 , , , 28553 3464 17 has have VBZ 28553 3464 18 buckets bucket NNS 28553 3464 19 set set VBN 28553 3464 20 at at IN 28553 3464 21 regular regular JJ 28553 3464 22 intervals interval NNS 28553 3464 23 round round VBP 28553 3464 24 the the DT 28553 3464 25 circumference circumference NN 28553 3464 26 , , , 28553 3464 27 sticking stick VBG 28553 3464 28 outwards outward NNS 28553 3464 29 . . . 28553 3465 1 Each each DT 28553 3465 2 bucket bucket NN 28553 3465 3 , , , 28553 3465 4 as as IN 28553 3465 5 will will MD 28553 3465 6 be be VB 28553 3465 7 gathered gather VBN 28553 3465 8 from from IN 28553 3465 9 our -PRON- PRP$ 28553 3465 10 illustration illustration NN 28553 3465 11 of of IN 28553 3465 12 an an DT 28553 3465 13 enormous enormous JJ 28553 3465 14 5,000 5,000 CD 28553 3465 15 h.p h.p NNP 28553 3465 16 . . . 28553 3466 1 wheel wheel NN 28553 3466 2 ( ( -LRB- 28553 3466 3 Fig fig NN 28553 3466 4 . . . 28553 3467 1 187 187 CD 28553 3467 2 ) ) -RRB- 28553 3467 3 , , , 28553 3467 4 is be VBZ 28553 3467 5 composed compose VBN 28553 3467 6 of of IN 28553 3467 7 two two CD 28553 3467 8 cups cup NNS 28553 3467 9 . . . 28553 3468 1 A a DT 28553 3468 2 nozzle nozzle NN 28553 3468 3 is be VBZ 28553 3468 4 so so RB 28553 3468 5 arranged arrange VBN 28553 3468 6 as as IN 28553 3468 7 to to TO 28553 3468 8 direct direct VB 28553 3468 9 water water NN 28553 3468 10 on on IN 28553 3468 11 the the DT 28553 3468 12 buckets bucket NNS 28553 3468 13 just just RB 28553 3468 14 as as IN 28553 3468 15 they -PRON- PRP 28553 3468 16 reach reach VBP 28553 3468 17 the the DT 28553 3468 18 lowest low JJS 28553 3468 19 point point NN 28553 3468 20 of of IN 28553 3468 21 a a DT 28553 3468 22 revolution revolution NN 28553 3468 23 ( ( -LRB- 28553 3468 24 see see VB 28553 3468 25 Fig Fig NNP 28553 3468 26 . . . 28553 3469 1 188 188 CD 28553 3469 2 ) ) -RRB- 28553 3469 3 . . . 28553 3470 1 The the DT 28553 3470 2 water water NN 28553 3470 3 strikes strike VBZ 28553 3470 4 the the DT 28553 3470 5 bucket bucket NN 28553 3470 6 on on IN 28553 3470 7 the the DT 28553 3470 8 partition partition NN 28553 3470 9 between between IN 28553 3470 10 the the DT 28553 3470 11 two two CD 28553 3470 12 cups cup NNS 28553 3470 13 , , , 28553 3470 14 which which WDT 28553 3470 15 turns turn VBZ 28553 3470 16 it -PRON- PRP 28553 3470 17 right right JJ 28553 3470 18 and and CC 28553 3470 19 left leave VBD 28553 3470 20 round round RB 28553 3470 21 the the DT 28553 3470 22 inside inside NN 28553 3470 23 of of IN 28553 3470 24 the the DT 28553 3470 25 cups cup NNS 28553 3470 26 . . . 28553 3471 1 The the DT 28553 3471 2 change change NN 28553 3471 3 of of IN 28553 3471 4 direction direction NN 28553 3471 5 transfers transfer NNS 28553 3471 6 the the DT 28553 3471 7 energy energy NN 28553 3471 8 of of IN 28553 3471 9 the the DT 28553 3471 10 water water NN 28553 3471 11 to to IN 28553 3471 12 the the DT 28553 3471 13 wheel wheel NN 28553 3471 14 . . . 28553 3472 1 [ [ -LRB- 28553 3472 2 Illustration illustration NN 28553 3472 3 : : : 28553 3472 4 FIG FIG NNP 28553 3472 5 . . . 28553 3473 1 189.--Speed 189.--speed CD 28553 3473 2 regulator regulator NN 28553 3473 3 for for IN 28553 3473 4 Pelton Pelton NNP 28553 3473 5 wheel wheel NN 28553 3473 6 . . . 28553 3473 7 ] ] -RRB- 28553 3474 1 The the DT 28553 3474 2 speed speed NN 28553 3474 3 of of IN 28553 3474 4 the the DT 28553 3474 5 wheel wheel NN 28553 3474 6 may may MD 28553 3474 7 be be VB 28553 3474 8 automatically automatically RB 28553 3474 9 regulated regulate VBN 28553 3474 10 by by IN 28553 3474 11 a a DT 28553 3474 12 deflecting deflecting NN 28553 3474 13 nozzle nozzle NN 28553 3474 14 ( ( -LRB- 28553 3474 15 Fig fig NN 28553 3474 16 . . . 28553 3475 1 189 189 CD 28553 3475 2 ) ) -RRB- 28553 3475 3 , , , 28553 3475 4 which which WDT 28553 3475 5 has have VBZ 28553 3475 6 a a DT 28553 3475 7 ball ball NN 28553 3475 8 and and CC 28553 3475 9 socket socket NN 28553 3475 10 joint joint JJ 28553 3475 11 to to TO 28553 3475 12 permit permit VB 28553 3475 13 of of IN 28553 3475 14 its -PRON- PRP$ 28553 3475 15 being be VBG 28553 3475 16 raised raise VBN 28553 3475 17 or or CC 28553 3475 18 lowered lower VBN 28553 3475 19 by by IN 28553 3475 20 a a DT 28553 3475 21 centrifugal centrifugal JJ 28553 3475 22 governor governor NN 28553 3475 23 , , , 28553 3475 24 thus thus RB 28553 3475 25 throwing throw VBG 28553 3475 26 the the DT 28553 3475 27 stream stream NN 28553 3475 28 on on IN 28553 3475 29 or or CC 28553 3475 30 off off IN 28553 3475 31 the the DT 28553 3475 32 buckets bucket NNS 28553 3475 33 . . . 28553 3476 1 The the DT 28553 3476 2 power power NN 28553 3476 3 of of IN 28553 3476 4 the the DT 28553 3476 5 wheel wheel NN 28553 3476 6 is be VBZ 28553 3476 7 consequently consequently RB 28553 3476 8 increased increase VBN 28553 3476 9 or or CC 28553 3476 10 diminished diminish VBN 28553 3476 11 to to TO 28553 3476 12 meet meet VB 28553 3476 13 the the DT 28553 3476 14 change change NN 28553 3476 15 of of IN 28553 3476 16 load load NN 28553 3476 17 , , , 28553 3476 18 and and CC 28553 3476 19 a a DT 28553 3476 20 constant constant JJ 28553 3476 21 speed speed NN 28553 3476 22 is be VBZ 28553 3476 23 maintained maintain VBN 28553 3476 24 . . . 28553 3477 1 When when WRB 28553 3477 2 it -PRON- PRP 28553 3477 3 is be VBZ 28553 3477 4 necessary necessary JJ 28553 3477 5 to to TO 28553 3477 6 waste waste VB 28553 3477 7 as as IN 28553 3477 8 little little JJ 28553 3477 9 water water NN 28553 3477 10 as as IN 28553 3477 11 possible possible JJ 28553 3477 12 , , , 28553 3477 13 a a DT 28553 3477 14 concentric concentric JJ 28553 3477 15 tapered tapered JJ 28553 3477 16 needle needle NN 28553 3477 17 may may MD 28553 3477 18 be be VB 28553 3477 19 fitted fit VBN 28553 3477 20 inside inside IN 28553 3477 21 the the DT 28553 3477 22 nozzle nozzle NN 28553 3477 23 . . . 28553 3478 1 When when WRB 28553 3478 2 the the DT 28553 3478 3 nozzle nozzle NN 28553 3478 4 is be VBZ 28553 3478 5 in in IN 28553 3478 6 its -PRON- PRP$ 28553 3478 7 highest high JJS 28553 3478 8 position position NN 28553 3478 9 the the DT 28553 3478 10 needle needle NN 28553 3478 11 tip tip NN 28553 3478 12 is be VBZ 28553 3478 13 withdrawn withdraw VBN 28553 3478 14 ; ; : 28553 3478 15 as as IN 28553 3478 16 the the DT 28553 3478 17 nozzle nozzle NN 28553 3478 18 sinks sink VBZ 28553 3478 19 the the DT 28553 3478 20 needle needle NN 28553 3478 21 protrudes protrude NNS 28553 3478 22 , , , 28553 3478 23 gradually gradually RB 28553 3478 24 decreasing decrease VBG 28553 3478 25 the the DT 28553 3478 26 discharge discharge NN 28553 3478 27 area area NN 28553 3478 28 of of IN 28553 3478 29 the the DT 28553 3478 30 nozzle nozzle NN 28553 3478 31 . . . 28553 3479 1 Pelton Pelton NNP 28553 3479 2 wheels wheel NNS 28553 3479 3 are be VBP 28553 3479 4 designed design VBN 28553 3479 5 to to TO 28553 3479 6 run run VB 28553 3479 7 at at IN 28553 3479 8 all all DT 28553 3479 9 speeds speed NNS 28553 3479 10 and and CC 28553 3479 11 to to TO 28553 3479 12 use use VB 28553 3479 13 water water NN 28553 3479 14 of of IN 28553 3479 15 any any DT 28553 3479 16 pressure pressure NN 28553 3479 17 . . . 28553 3480 1 At at IN 28553 3480 2 Manitou Manitou NNP 28553 3480 3 , , , 28553 3480 4 Colorado Colorado NNP 28553 3480 5 , , , 28553 3480 6 is be VBZ 28553 3480 7 an an DT 28553 3480 8 installation installation NN 28553 3480 9 of of IN 28553 3480 10 three three CD 28553 3480 11 wheels wheel NNS 28553 3480 12 operated operate VBN 28553 3480 13 by by IN 28553 3480 14 water water NN 28553 3480 15 which which WDT 28553 3480 16 leaves leave VBZ 28553 3480 17 the the DT 28553 3480 18 nozzle nozzle NN 28553 3480 19 at at IN 28553 3480 20 the the DT 28553 3480 21 enormous enormous JJ 28553 3480 22 pressure pressure NN 28553 3480 23 of of IN 28553 3480 24 935 935 CD 28553 3480 25 lbs lb NNS 28553 3480 26 . . . 28553 3481 1 per per IN 28553 3481 2 square square JJ 28553 3481 3 inch inch NN 28553 3481 4 . . . 28553 3482 1 It -PRON- PRP 28553 3482 2 is be VBZ 28553 3482 3 interesting interesting JJ 28553 3482 4 to to TO 28553 3482 5 note note VB 28553 3482 6 that that IN 28553 3482 7 jets jet NNS 28553 3482 8 of of IN 28553 3482 9 very very RB 28553 3482 10 high high JJ 28553 3482 11 - - HYPH 28553 3482 12 pressure pressure NN 28553 3482 13 water water NN 28553 3482 14 offer offer VBP 28553 3482 15 astonishing astonish VBG 28553 3482 16 resistance resistance NN 28553 3482 17 to to IN 28553 3482 18 any any DT 28553 3482 19 attempt attempt NN 28553 3482 20 to to TO 28553 3482 21 deflect deflect VB 28553 3482 22 their -PRON- PRP$ 28553 3482 23 course course NN 28553 3482 24 . . . 28553 3483 1 A a DT 28553 3483 2 three three CD 28553 3483 3 - - HYPH 28553 3483 4 inch inch NN 28553 3483 5 jet jet NN 28553 3483 6 of of IN 28553 3483 7 500-lb 500-lb CD 28553 3483 8 . . . 28553 3484 1 water water NN 28553 3484 2 can can MD 28553 3484 3 not not RB 28553 3484 4 be be VB 28553 3484 5 cut cut VBN 28553 3484 6 through through RP 28553 3484 7 by by IN 28553 3484 8 a a DT 28553 3484 9 blow blow NN 28553 3484 10 from from IN 28553 3484 11 a a DT 28553 3484 12 crowbar crowbar NN 28553 3484 13 . . . 28553 3485 1 In in IN 28553 3485 2 order order NN 28553 3485 3 to to TO 28553 3485 4 get get VB 28553 3485 5 sufficient sufficient JJ 28553 3485 6 pressure pressure NN 28553 3485 7 for for IN 28553 3485 8 working work VBG 28553 3485 9 hydraulic hydraulic JJ 28553 3485 10 machinery machinery NN 28553 3485 11 in in IN 28553 3485 12 mines mine NNS 28553 3485 13 , , , 28553 3485 14 factories factory NNS 28553 3485 15 , , , 28553 3485 16 etc etc FW 28553 3485 17 . . FW 28553 3485 18 , , , 28553 3485 19 water water NN 28553 3485 20 is be VBZ 28553 3485 21 often often RB 28553 3485 22 led lead VBN 28553 3485 23 for for IN 28553 3485 24 many many JJ 28553 3485 25 miles mile NNS 28553 3485 26 in in IN 28553 3485 27 flumes flume NNS 28553 3485 28 , , , 28553 3485 29 or or CC 28553 3485 30 artificial artificial JJ 28553 3485 31 channels channel NNS 28553 3485 32 , , , 28553 3485 33 along along IN 28553 3485 34 the the DT 28553 3485 35 sides side NNS 28553 3485 36 of of IN 28553 3485 37 valleys valley NNS 28553 3485 38 from from IN 28553 3485 39 the the DT 28553 3485 40 source source NN 28553 3485 41 of of IN 28553 3485 42 supply supply NN 28553 3485 43 to to IN 28553 3485 44 the the DT 28553 3485 45 point point NN 28553 3485 46 at at IN 28553 3485 47 which which WDT 28553 3485 48 it -PRON- PRP 28553 3485 49 is be VBZ 28553 3485 50 to to TO 28553 3485 51 be be VB 28553 3485 52 used use VBN 28553 3485 53 . . . 28553 3486 1 By by IN 28553 3486 2 the the DT 28553 3486 3 time time NN 28553 3486 4 that that DT 28553 3486 5 point point NN 28553 3486 6 is be VBZ 28553 3486 7 reached reach VBN 28553 3486 8 the the DT 28553 3486 9 difference difference NN 28553 3486 10 between between IN 28553 3486 11 the the DT 28553 3486 12 gradients gradient NNS 28553 3486 13 of of IN 28553 3486 14 the the DT 28553 3486 15 flume flume NN 28553 3486 16 and and CC 28553 3486 17 of of IN 28553 3486 18 the the DT 28553 3486 19 valley valley NNP 28553 3486 20 bottom bottom NN 28553 3486 21 has have VBZ 28553 3486 22 produced produce VBN 28553 3486 23 a a DT 28553 3486 24 difference difference NN 28553 3486 25 in in IN 28553 3486 26 height height NN 28553 3486 27 of of IN 28553 3486 28 some some DT 28553 3486 29 hundreds hundred NNS 28553 3486 30 of of IN 28553 3486 31 feet foot NNS 28553 3486 32 . . . 28553 3487 1 [ [ -LRB- 28553 3487 2 Illustration illustration NN 28553 3487 3 : : : 28553 3487 4 FIG FIG NNP 28553 3487 5 . . . 28553 3488 1 190.--The 190.--the CD 28553 3488 2 Laxey Laxey NNP 28553 3488 3 water water NN 28553 3488 4 - - HYPH 28553 3488 5 wheel wheel NN 28553 3488 6 , , , 28553 3488 7 Isle Isle NNP 28553 3488 8 of of IN 28553 3488 9 Man Man NNP 28553 3488 10 . . . 28553 3489 1 In in IN 28553 3489 2 the the DT 28553 3489 3 top top JJ 28553 3489 4 right right JJ 28553 3489 5 - - HYPH 28553 3489 6 hand hand NN 28553 3489 7 corner corner NN 28553 3489 8 is be VBZ 28553 3489 9 a a DT 28553 3489 10 Pelton Pelton NNP 28553 3489 11 wheel wheel NN 28553 3489 12 of of IN 28553 3489 13 proportionate proportionate NN 28553 3489 14 size size NN 28553 3489 15 required require VBN 28553 3489 16 to to TO 28553 3489 17 do do VB 28553 3489 18 the the DT 28553 3489 19 same same JJ 28553 3489 20 amount amount NN 28553 3489 21 of of IN 28553 3489 22 work work NN 28553 3489 23 with with IN 28553 3489 24 the the DT 28553 3489 25 same same JJ 28553 3489 26 consumption consumption NN 28553 3489 27 of of IN 28553 3489 28 water water NN 28553 3489 29 at at IN 28553 3489 30 the the DT 28553 3489 31 same same JJ 28553 3489 32 pressure pressure NN 28553 3489 33 . . . 28553 3489 34 ] ] -RRB- 28553 3490 1 The the DT 28553 3490 2 full full JJ 28553 3490 3 - - HYPH 28553 3490 4 page page NN 28553 3490 5 illustration illustration NN 28553 3490 6 on on IN 28553 3490 7 p. p. NN 28553 3490 8 380 380 CD 28553 3490 9 affords afford VBZ 28553 3490 10 a a DT 28553 3490 11 striking strike VBG 28553 3490 12 testimony testimony NN 28553 3490 13 to to IN 28553 3490 14 the the DT 28553 3490 15 wonderful wonderful JJ 28553 3490 16 progress progress NN 28553 3490 17 made make VBN 28553 3490 18 in in IN 28553 3490 19 engineering engineering NN 28553 3490 20 practice practice NN 28553 3490 21 during during IN 28553 3490 22 the the DT 28553 3490 23 last last JJ 28553 3490 24 fifty fifty CD 28553 3490 25 years year NNS 28553 3490 26 . . . 28553 3491 1 The the DT 28553 3491 2 huge huge JJ 28553 3491 3 water water NN 28553 3491 4 - - HYPH 28553 3491 5 wheel wheel NN 28553 3491 6 which which WDT 28553 3491 7 forms form VBZ 28553 3491 8 the the DT 28553 3491 9 bulk bulk NN 28553 3491 10 of of IN 28553 3491 11 the the DT 28553 3491 12 picture picture NN 28553 3491 13 is be VBZ 28553 3491 14 that that IN 28553 3491 15 at at IN 28553 3491 16 Laxey Laxey NNP 28553 3491 17 , , , 28553 3491 18 in in IN 28553 3491 19 the the DT 28553 3491 20 Isle Isle NNP 28553 3491 21 of of IN 28553 3491 22 Man Man NNP 28553 3491 23 . . . 28553 3492 1 It -PRON- PRP 28553 3492 2 is be VBZ 28553 3492 3 72 72 CD 28553 3492 4 - - SYM 28553 3492 5 1/2 1/2 CD 28553 3492 6 feet foot NNS 28553 3492 7 in in IN 28553 3492 8 diameter diameter NN 28553 3492 9 , , , 28553 3492 10 and and CC 28553 3492 11 is be VBZ 28553 3492 12 supposed suppose VBN 28553 3492 13 to to TO 28553 3492 14 develop develop VB 28553 3492 15 150 150 CD 28553 3492 16 horse horse NN 28553 3492 17 - - HYPH 28553 3492 18 power power NN 28553 3492 19 , , , 28553 3492 20 which which WDT 28553 3492 21 is be VBZ 28553 3492 22 transmitted transmit VBN 28553 3492 23 several several JJ 28553 3492 24 hundreds hundred NNS 28553 3492 25 of of IN 28553 3492 26 feet foot NNS 28553 3492 27 by by IN 28553 3492 28 means mean NNS 28553 3492 29 of of IN 28553 3492 30 wooden wooden JJ 28553 3492 31 rods rod NNS 28553 3492 32 supported support VBN 28553 3492 33 at at IN 28553 3492 34 regular regular JJ 28553 3492 35 intervals interval NNS 28553 3492 36 . . . 28553 3493 1 The the DT 28553 3493 2 power power NN 28553 3493 3 thus thus RB 28553 3493 4 transmitted transmit VBD 28553 3493 5 operates operate VBZ 28553 3493 6 a a DT 28553 3493 7 system system NN 28553 3493 8 of of IN 28553 3493 9 pumps pump NNS 28553 3493 10 in in IN 28553 3493 11 a a DT 28553 3493 12 lead lead NN 28553 3493 13 mine mine NN 28553 3493 14 , , , 28553 3493 15 raising raise VBG 28553 3493 16 250 250 CD 28553 3493 17 gallons gallon NNS 28553 3493 18 of of IN 28553 3493 19 water water NN 28553 3493 20 per per IN 28553 3493 21 minute minute NN 28553 3493 22 , , , 28553 3493 23 to to IN 28553 3493 24 an an DT 28553 3493 25 elevation elevation NN 28553 3493 26 of of IN 28553 3493 27 1,200 1,200 CD 28553 3493 28 feet foot NNS 28553 3493 29 . . . 28553 3494 1 The the DT 28553 3494 2 driving driving NN 28553 3494 3 water water NN 28553 3494 4 is be VBZ 28553 3494 5 brought bring VBN 28553 3494 6 some some DT 28553 3494 7 distance distance NN 28553 3494 8 to to IN 28553 3494 9 the the DT 28553 3494 10 wheel wheel NN 28553 3494 11 in in IN 28553 3494 12 an an DT 28553 3494 13 underground underground JJ 28553 3494 14 conduit conduit NN 28553 3494 15 , , , 28553 3494 16 and and CC 28553 3494 17 is be VBZ 28553 3494 18 carried carry VBN 28553 3494 19 up up RP 28553 3494 20 the the DT 28553 3494 21 masonry masonry NN 28553 3494 22 tower tower NN 28553 3494 23 by by IN 28553 3494 24 pressure pressure NN 28553 3494 25 , , , 28553 3494 26 flowing flow VBG 28553 3494 27 over over IN 28553 3494 28 the the DT 28553 3494 29 top top NN 28553 3494 30 into into IN 28553 3494 31 the the DT 28553 3494 32 buckets bucket NNS 28553 3494 33 on on IN 28553 3494 34 the the DT 28553 3494 35 circumference circumference NN 28553 3494 36 of of IN 28553 3494 37 the the DT 28553 3494 38 wheel wheel NN 28553 3494 39 . . . 28553 3495 1 The the DT 28553 3495 2 little little JJ 28553 3495 3 cut cut NN 28553 3495 4 in in IN 28553 3495 5 the the DT 28553 3495 6 upper upper JJ 28553 3495 7 corner corner NN 28553 3495 8 represents represent VBZ 28553 3495 9 a a DT 28553 3495 10 Pelton Pelton NNP 28553 3495 11 wheel wheel NN 28553 3495 12 drawn draw VBN 28553 3495 13 on on IN 28553 3495 14 the the DT 28553 3495 15 same same JJ 28553 3495 16 scale scale NN 28553 3495 17 , , , 28553 3495 18 which which WDT 28553 3495 19 , , , 28553 3495 20 given give VBN 28553 3495 21 an an DT 28553 3495 22 equal equal JJ 28553 3495 23 supply supply NN 28553 3495 24 of of IN 28553 3495 25 water water NN 28553 3495 26 at at IN 28553 3495 27 the the DT 28553 3495 28 same same JJ 28553 3495 29 pressure pressure NN 28553 3495 30 , , , 28553 3495 31 would would MD 28553 3495 32 develop develop VB 28553 3495 33 the the DT 28553 3495 34 same same JJ 28553 3495 35 power power NN 28553 3495 36 as as IN 28553 3495 37 the the DT 28553 3495 38 Laxey Laxey NNP 28553 3495 39 monster monster NN 28553 3495 40 . . . 28553 3496 1 By by IN 28553 3496 2 the the DT 28553 3496 3 side side NN 28553 3496 4 of of IN 28553 3496 5 the the DT 28553 3496 6 giant giant NN 28553 3496 7 the the DT 28553 3496 8 other other JJ 28553 3496 9 appears appear VBZ 28553 3496 10 a a DT 28553 3496 11 mere mere JJ 28553 3496 12 toy toy NN 28553 3496 13 . . . 28553 3497 1 THE the DT 28553 3497 2 CREAM CREAM NNP 28553 3497 3 SEPARATOR SEPARATOR NNP 28553 3497 4 . . . 28553 3498 1 In in IN 28553 3498 2 1864 1864 CD 28553 3498 3 Denmark Denmark NNP 28553 3498 4 went go VBD 28553 3498 5 to to IN 28553 3498 6 war war NN 28553 3498 7 with with IN 28553 3498 8 Germany Germany NNP 28553 3498 9 , , , 28553 3498 10 and and CC 28553 3498 11 emerged emerge VBD 28553 3498 12 from from IN 28553 3498 13 the the DT 28553 3498 14 short short JJ 28553 3498 15 struggle struggle NN 28553 3498 16 shorn shorn VBN 28553 3498 17 of of IN 28553 3498 18 the the DT 28553 3498 19 provinces province NNS 28553 3498 20 of of IN 28553 3498 21 Lauenburg Lauenburg NNP 28553 3498 22 , , , 28553 3498 23 Holstein Holstein NNP 28553 3498 24 , , , 28553 3498 25 and and CC 28553 3498 26 Schleswig Schleswig NNP 28553 3498 27 . . . 28553 3499 1 The the DT 28553 3499 2 loss loss NN 28553 3499 3 of of IN 28553 3499 4 the the DT 28553 3499 5 two two CD 28553 3499 6 last last JJ 28553 3499 7 , , , 28553 3499 8 the the DT 28553 3499 9 fairest fair JJS 28553 3499 10 and and CC 28553 3499 11 most most RBS 28553 3499 12 fertile fertile JJ 28553 3499 13 districts district NNS 28553 3499 14 of of IN 28553 3499 15 the the DT 28553 3499 16 kingdom kingdom NN 28553 3499 17 , , , 28553 3499 18 was be VBD 28553 3499 19 indeed indeed RB 28553 3499 20 grievous grievous JJ 28553 3499 21 . . . 28553 3500 1 The the DT 28553 3500 2 Danish danish JJ 28553 3500 3 king king NN 28553 3500 4 now now RB 28553 3500 5 ruled rule VBD 28553 3500 6 only only RB 28553 3500 7 over over IN 28553 3500 8 a a DT 28553 3500 9 land land NN 28553 3500 10 consisting consist VBG 28553 3500 11 largely largely RB 28553 3500 12 of of IN 28553 3500 13 moor moor NN 28553 3500 14 , , , 28553 3500 15 marsh marsh NNP 28553 3500 16 , , , 28553 3500 17 and and CC 28553 3500 18 dunes dune NNS 28553 3500 19 , , , 28553 3500 20 apparently apparently RB 28553 3500 21 worthless worthless JJ 28553 3500 22 for for IN 28553 3500 23 any any DT 28553 3500 24 purpose purpose NN 28553 3500 25 . . . 28553 3501 1 But but CC 28553 3501 2 the the DT 28553 3501 3 Danes Danes NNPS 28553 3501 4 , , , 28553 3501 5 with with IN 28553 3501 6 admirable admirable JJ 28553 3501 7 courage courage NN 28553 3501 8 , , , 28553 3501 9 entered enter VBN 28553 3501 10 upon upon IN 28553 3501 11 a a DT 28553 3501 12 second second JJ 28553 3501 13 struggle struggle NN 28553 3501 14 , , , 28553 3501 15 this this DT 28553 3501 16 time time NN 28553 3501 17 with with IN 28553 3501 18 nature nature NN 28553 3501 19 . . . 28553 3502 1 They -PRON- PRP 28553 3502 2 made make VBD 28553 3502 3 roads road NNS 28553 3502 4 and and CC 28553 3502 5 railways railway NNS 28553 3502 6 , , , 28553 3502 7 dug dig VBD 28553 3502 8 irrigation irrigation NN 28553 3502 9 ditches ditch NNS 28553 3502 10 , , , 28553 3502 11 and and CC 28553 3502 12 planted plant VBD 28553 3502 13 forest forest NN 28553 3502 14 trees tree NNS 28553 3502 15 ; ; : 28553 3502 16 and and CC 28553 3502 17 so so RB 28553 3502 18 gradually gradually RB 28553 3502 19 turned turn VBD 28553 3502 20 large large JJ 28553 3502 21 tracts tract NNS 28553 3502 22 of of IN 28553 3502 23 what what WP 28553 3502 24 had have VBD 28553 3502 25 been be VBN 28553 3502 26 useless useless JJ 28553 3502 27 country country NN 28553 3502 28 into into IN 28553 3502 29 valuable valuable JJ 28553 3502 30 possessions possession NNS 28553 3502 31 . . . 28553 3503 1 Agriculture agriculture NN 28553 3503 2 being be VBG 28553 3503 3 much much RB 28553 3503 4 depressed depressed JJ 28553 3503 5 , , , 28553 3503 6 owing owe VBG 28553 3503 7 to to IN 28553 3503 8 the the DT 28553 3503 9 low low JJ 28553 3503 10 price price NN 28553 3503 11 of of IN 28553 3503 12 corn corn NN 28553 3503 13 , , , 28553 3503 14 they -PRON- PRP 28553 3503 15 next next RB 28553 3503 16 gave give VBD 28553 3503 17 their -PRON- PRP$ 28553 3503 18 attention attention NN 28553 3503 19 to to IN 28553 3503 20 the the DT 28553 3503 21 improvement improvement NN 28553 3503 22 of of IN 28553 3503 23 dairy dairy NN 28553 3503 24 farming farming NN 28553 3503 25 . . . 28553 3504 1 Labour labour NN 28553 3504 2 - - HYPH 28553 3504 3 saving save VBG 28553 3504 4 machinery machinery NN 28553 3504 5 of of IN 28553 3504 6 all all DT 28553 3504 7 kinds kind NNS 28553 3504 8 was be VBD 28553 3504 9 introduced introduce VBN 28553 3504 10 , , , 28553 3504 11 none none RB 28553 3504 12 more more RBR 28553 3504 13 important important JJ 28553 3504 14 than than IN 28553 3504 15 the the DT 28553 3504 16 device device NN 28553 3504 17 for for IN 28553 3504 18 separating separate VBG 28553 3504 19 the the DT 28553 3504 20 fatty fatty NN 28553 3504 21 from from IN 28553 3504 22 the the DT 28553 3504 23 watery watery JJ 28553 3504 24 constituents constituent NNS 28553 3504 25 of of IN 28553 3504 26 milk milk NN 28553 3504 27 . . . 28553 3505 1 It -PRON- PRP 28553 3505 2 would would MD 28553 3505 3 not not RB 28553 3505 4 be be VB 28553 3505 5 too too RB 28553 3505 6 much much JJ 28553 3505 7 to to TO 28553 3505 8 say say VB 28553 3505 9 that that IN 28553 3505 10 the the DT 28553 3505 11 separator separator NN 28553 3505 12 is be VBZ 28553 3505 13 largely largely RB 28553 3505 14 responsible responsible JJ 28553 3505 15 for for IN 28553 3505 16 the the DT 28553 3505 17 present present JJ 28553 3505 18 prosperity prosperity NN 28553 3505 19 of of IN 28553 3505 20 Denmark Denmark NNP 28553 3505 21 . . . 28553 3506 1 [ [ -LRB- 28553 3506 2 Illustration illustration NN 28553 3506 3 : : : 28553 3506 4 FIG FIG NNP 28553 3506 5 . . . 28553 3507 1 191.--Section 191.--section CD 28553 3507 2 of of IN 28553 3507 3 a a DT 28553 3507 4 Cream Cream NNP 28553 3507 5 Separator Separator NNP 28553 3507 6 . . . 28553 3507 7 ] ] -RRB- 28553 3508 1 How how WRB 28553 3508 2 does do VBZ 28553 3508 3 it -PRON- PRP 28553 3508 4 work work VB 28553 3508 5 ? ? . 28553 3509 1 asks ask VBZ 28553 3509 2 the the DT 28553 3509 3 reader reader NN 28553 3509 4 . . . 28553 3510 1 Centrifugal Centrifugal NNP 28553 3510 2 force[37 force[37 NNP 28553 3510 3 ] ] -RRB- 28553 3510 4 is be VBZ 28553 3510 5 the the DT 28553 3510 6 governing govern VBG 28553 3510 7 principle principle NN 28553 3510 8 . . . 28553 3511 1 To to TO 28553 3511 2 explain explain VB 28553 3511 3 its -PRON- PRP$ 28553 3511 4 application application NN 28553 3511 5 we -PRON- PRP 28553 3511 6 append append VBP 28553 3511 7 a a DT 28553 3511 8 sectional sectional JJ 28553 3511 9 illustration illustration NN 28553 3511 10 ( ( -LRB- 28553 3511 11 Fig Fig NNP 28553 3511 12 . . . 28553 3512 1 191 191 CD 28553 3512 2 ) ) -RRB- 28553 3512 3 of of IN 28553 3512 4 Messrs. Messrs. NNP 28553 3512 5 Burmeister Burmeister NNP 28553 3512 6 and and CC 28553 3512 7 Wain Wain NNP 28553 3512 8 's 's POS 28553 3512 9 hand hand NN 28553 3512 10 - - HYPH 28553 3512 11 power power NN 28553 3512 12 separator separator NN 28553 3512 13 , , , 28553 3512 14 which which WDT 28553 3512 15 may may MD 28553 3512 16 be be VB 28553 3512 17 taken take VBN 28553 3512 18 as as IN 28553 3512 19 generally generally RB 28553 3512 20 representative representative JJ 28553 3512 21 of of IN 28553 3512 22 this this DT 28553 3512 23 class class NN 28553 3512 24 of of IN 28553 3512 25 machines machine NNS 28553 3512 26 . . . 28553 3513 1 Inside inside IN 28553 3513 2 a a DT 28553 3513 3 circular circular JJ 28553 3513 4 casing casing NN 28553 3513 5 is be VBZ 28553 3513 6 a a DT 28553 3513 7 cylindrical cylindrical JJ 28553 3513 8 bowl bowl NN 28553 3513 9 , , , 28553 3513 10 D D NNP 28553 3513 11 , , , 28553 3513 12 mounted mount VBN 28553 3513 13 on on IN 28553 3513 14 a a DT 28553 3513 15 shaft shaft NN 28553 3513 16 which which WDT 28553 3513 17 can can MD 28553 3513 18 be be VB 28553 3513 19 revolved revolve VBN 28553 3513 20 5,000 5,000 CD 28553 3513 21 times time NNS 28553 3513 22 a a DT 28553 3513 23 minute minute NN 28553 3513 24 by by IN 28553 3513 25 means mean NNS 28553 3513 26 of of IN 28553 3513 27 the the DT 28553 3513 28 cog cog NN 28553 3513 29 - - HYPH 28553 3513 30 wheels wheel NNS 28553 3513 31 and and CC 28553 3513 32 the the DT 28553 3513 33 screw screw NN 28553 3513 34 thread thread NN 28553 3513 35 chased chase VBD 28553 3513 36 on on IN 28553 3513 37 it -PRON- PRP 28553 3513 38 near near IN 28553 3513 39 the the DT 28553 3513 40 bottom bottom JJ 28553 3513 41 extremity extremity NN 28553 3513 42 . . . 28553 3514 1 Milk milk NN 28553 3514 2 flows flow VBZ 28553 3514 3 from from IN 28553 3514 4 the the DT 28553 3514 5 reservoir reservoir NN 28553 3514 6 R r NN 28553 3514 7 ( ( -LRB- 28553 3514 8 supported support VBN 28553 3514 9 on on IN 28553 3514 10 a a DT 28553 3514 11 stout stout JJ 28553 3514 12 arm arm NN 28553 3514 13 ) ) -RRB- 28553 3514 14 through through IN 28553 3514 15 tap tap NN 28553 3514 16 A A NNP 28553 3514 17 into into IN 28553 3514 18 a a DT 28553 3514 19 little little JJ 28553 3514 20 distributer distributer NN 28553 3514 21 on on IN 28553 3514 22 the the DT 28553 3514 23 top top NN 28553 3514 24 of of IN 28553 3514 25 the the DT 28553 3514 26 separator separator NN 28553 3514 27 , , , 28553 3514 28 and and CC 28553 3514 29 from from IN 28553 3514 30 it -PRON- PRP 28553 3514 31 drops drop VBZ 28553 3514 32 into into IN 28553 3514 33 the the DT 28553 3514 34 central central JJ 28553 3514 35 tube tube NN 28553 3514 36 C C NNP 28553 3514 37 of of IN 28553 3514 38 the the DT 28553 3514 39 bowl bowl NN 28553 3514 40 . . . 28553 3515 1 Falling fall VBG 28553 3515 2 to to IN 28553 3515 3 the the DT 28553 3515 4 bottom bottom NN 28553 3515 5 , , , 28553 3515 6 it -PRON- PRP 28553 3515 7 is be VBZ 28553 3515 8 flung fling VBN 28553 3515 9 outwards outward NNS 28553 3515 10 by by IN 28553 3515 11 centrifugal centrifugal JJ 28553 3515 12 force force NN 28553 3515 13 , , , 28553 3515 14 finds find VBZ 28553 3515 15 an an DT 28553 3515 16 escape escape NN 28553 3515 17 upwards upwards RB 28553 3515 18 through through IN 28553 3515 19 the the DT 28553 3515 20 holes hole NNS 28553 3515 21 _ _ NNP 28553 3515 22 a a DT 28553 3515 23 a a DT 28553 3515 24 _ _ NN 28553 3515 25 , , , 28553 3515 26 and and CC 28553 3515 27 climbs climb VBZ 28553 3515 28 up up RP 28553 3515 29 the the DT 28553 3515 30 perforated perforated JJ 28553 3515 31 grid grid NN 28553 3515 32 _ _ NNP 28553 3515 33 e e NNP 28553 3515 34 _ _ NNP 28553 3515 35 , , , 28553 3515 36 the the DT 28553 3515 37 surface surface NN 28553 3515 38 of of IN 28553 3515 39 which which WDT 28553 3515 40 is be VBZ 28553 3515 41 a a DT 28553 3515 42 series series NN 28553 3515 43 of of IN 28553 3515 44 pyramidical pyramidical JJ 28553 3515 45 excrescences excrescence NNS 28553 3515 46 , , , 28553 3515 47 and and CC 28553 3515 48 finally finally RB 28553 3515 49 reaches reach VBZ 28553 3515 50 the the DT 28553 3515 51 inner inner JJ 28553 3515 52 surface surface NN 28553 3515 53 of of IN 28553 3515 54 the the DT 28553 3515 55 drum drum NN 28553 3515 56 proper proper JJ 28553 3515 57 . . . 28553 3516 1 The the DT 28553 3516 2 velocity velocity NN 28553 3516 3 of of IN 28553 3516 4 rotation rotation NN 28553 3516 5 is be VBZ 28553 3516 6 so so RB 28553 3516 7 tremendous tremendous JJ 28553 3516 8 that that IN 28553 3516 9 the the DT 28553 3516 10 heavier heavy JJR 28553 3516 11 portions portion NNS 28553 3516 12 of of IN 28553 3516 13 the the DT 28553 3516 14 milk milk NN 28553 3516 15 -- -- : 28553 3516 16 that that RB 28553 3516 17 is is RB 28553 3516 18 , , , 28553 3516 19 the the DT 28553 3516 20 watery watery JJ 28553 3516 21 -- -- : 28553 3516 22 crowd crowd NN 28553 3516 23 towards towards IN 28553 3516 24 the the DT 28553 3516 25 point point NN 28553 3516 26 furthest furthest RB 28553 3516 27 from from IN 28553 3516 28 the the DT 28553 3516 29 centre centre NN 28553 3516 30 , , , 28553 3516 31 and and CC 28553 3516 32 keep keep VB 28553 3516 33 the the DT 28553 3516 34 lighter light JJR 28553 3516 35 fatty fatty NN 28553 3516 36 elements element NNS 28553 3516 37 away away RB 28553 3516 38 from from IN 28553 3516 39 contact contact NN 28553 3516 40 with with IN 28553 3516 41 the the DT 28553 3516 42 sides side NNS 28553 3516 43 of of IN 28553 3516 44 the the DT 28553 3516 45 drum drum NN 28553 3516 46 . . . 28553 3517 1 In in IN 28553 3517 2 the the DT 28553 3517 3 diagram diagram NN 28553 3517 4 the the DT 28553 3517 5 water water NN 28553 3517 6 is be VBZ 28553 3517 7 represented represent VBN 28553 3517 8 by by IN 28553 3517 9 small small JJ 28553 3517 10 circles circle NNS 28553 3517 11 , , , 28553 3517 12 the the DT 28553 3517 13 cream cream NN 28553 3517 14 by by IN 28553 3517 15 small small JJ 28553 3517 16 crosses crosse NNS 28553 3517 17 . . . 28553 3518 1 As as IN 28553 3518 2 more more JJR 28553 3518 3 milk milk NN 28553 3518 4 enters enter VBZ 28553 3518 5 the the DT 28553 3518 6 drum drum NN 28553 3518 7 it -PRON- PRP 28553 3518 8 forces force VBZ 28553 3518 9 upwards upwards RB 28553 3518 10 what what WP 28553 3518 11 is be VBZ 28553 3518 12 already already RB 28553 3518 13 there there RB 28553 3518 14 . . . 28553 3519 1 The the DT 28553 3519 2 cap cap NN 28553 3519 3 of of IN 28553 3519 4 the the DT 28553 3519 5 drum drum NN 28553 3519 6 has have VBZ 28553 3519 7 an an DT 28553 3519 8 inner inner JJ 28553 3519 9 jacket jacket NN 28553 3519 10 , , , 28553 3519 11 F F NNP 28553 3519 12 , , , 28553 3519 13 which which WDT 28553 3519 14 at at IN 28553 3519 15 the the DT 28553 3519 16 bottom bottom NN 28553 3519 17 _ _ NNP 28553 3519 18 all all DT 28553 3519 19 but but IN 28553 3519 20 touches touch NNS 28553 3519 21 _ _ NNP 28553 3519 22 the the DT 28553 3519 23 side side NN 28553 3519 24 of of IN 28553 3519 25 the the DT 28553 3519 26 drum drum NN 28553 3519 27 . . . 28553 3520 1 The the DT 28553 3520 2 distance distance NN 28553 3520 3 between between IN 28553 3520 4 them -PRON- PRP 28553 3520 5 is be VBZ 28553 3520 6 the the DT 28553 3520 7 merest mere JJS 28553 3520 8 slit slit NN 28553 3520 9 ; ; : 28553 3520 10 but but CC 28553 3520 11 the the DT 28553 3520 12 cream cream NN 28553 3520 13 is be VBZ 28553 3520 14 deflected deflect VBN 28553 3520 15 up up RP 28553 3520 16 outside outside IN 28553 3520 17 F F NNP 28553 3520 18 into into IN 28553 3520 19 space space NN 28553 3520 20 E e NN 28553 3520 21 , , , 28553 3520 22 and and CC 28553 3520 23 escapes escape VBZ 28553 3520 24 through through IN 28553 3520 25 a a DT 28553 3520 26 hole hole NN 28553 3520 27 one one CD 28553 3520 28 - - HYPH 28553 3520 29 sixteenth sixteenth NN 28553 3520 30 of of IN 28553 3520 31 an an DT 28553 3520 32 inch inch NN 28553 3520 33 in in IN 28553 3520 34 diameter diameter NN 28553 3520 35 perforating perforate VBG 28553 3520 36 the the DT 28553 3520 37 plate plate NN 28553 3520 38 G. G. NNP 28553 3520 39 The the DT 28553 3520 40 cream cream NN 28553 3520 41 is be VBZ 28553 3520 42 flung fling VBN 28553 3520 43 into into IN 28553 3520 44 space space NN 28553 3520 45 K k NN 28553 3520 46 and and CC 28553 3520 47 trickles trickle NNS 28553 3520 48 out out IN 28553 3520 49 of of IN 28553 3520 50 spout spout NN 28553 3520 51 B b NN 28553 3520 52 , , , 28553 3520 53 while while IN 28553 3520 54 the the DT 28553 3520 55 water water NN 28553 3520 56 flies fly VBZ 28553 3520 57 into into IN 28553 3520 58 space space NN 28553 3520 59 H h NN 28553 3520 60 and and CC 28553 3520 61 trickles trickle NNS 28553 3520 62 away away RB 28553 3520 63 through through IN 28553 3520 64 spout spout NN 28553 3520 65 A. a. NN 28553 3521 1 THE the DT 28553 3521 2 " " `` 28553 3521 3 HYDRO HYDRO NNP 28553 3521 4 . . . 28553 3521 5 , , , 28553 3521 6 " " `` 28553 3521 7 used use VBN 28553 3521 8 in in IN 28553 3521 9 laundries laundry NNS 28553 3521 10 for for IN 28553 3521 11 wringing wring VBG 28553 3521 12 clothes clothe NNS 28553 3521 13 by by IN 28553 3521 14 centrifugal centrifugal JJ 28553 3521 15 force force NN 28553 3521 16 , , , 28553 3521 17 has have VBZ 28553 3521 18 a a DT 28553 3521 19 solid solid JJ 28553 3521 20 outer outer JJ 28553 3521 21 casing casing NN 28553 3521 22 and and CC 28553 3521 23 an an DT 28553 3521 24 inner inner JJ 28553 3521 25 perforated perforated JJ 28553 3521 26 cylindrical cylindrical JJ 28553 3521 27 cage cage NN 28553 3521 28 , , , 28553 3521 29 revolved revolve VBD 28553 3521 30 at at IN 28553 3521 31 high high JJ 28553 3521 32 speed speed NN 28553 3521 33 by by IN 28553 3521 34 a a DT 28553 3521 35 vertical vertical JJ 28553 3521 36 shaft shaft NN 28553 3521 37 . . . 28553 3522 1 The the DT 28553 3522 2 wet wet JJ 28553 3522 3 clothes clothe NNS 28553 3522 4 are be VBP 28553 3522 5 placed place VBN 28553 3522 6 in in IN 28553 3522 7 the the DT 28553 3522 8 cage cage NN 28553 3522 9 , , , 28553 3522 10 and and CC 28553 3522 11 the the DT 28553 3522 12 machine machine NN 28553 3522 13 is be VBZ 28553 3522 14 started start VBN 28553 3522 15 . . . 28553 3523 1 The the DT 28553 3523 2 water water NN 28553 3523 3 escapes escape VBZ 28553 3523 4 through through IN 28553 3523 5 the the DT 28553 3523 6 perforations perforation NNS 28553 3523 7 and and CC 28553 3523 8 runs run VBZ 28553 3523 9 down down IN 28553 3523 10 the the DT 28553 3523 11 side side NN 28553 3523 12 of of IN 28553 3523 13 the the DT 28553 3523 14 casing casing NN 28553 3523 15 to to IN 28553 3523 16 a a DT 28553 3523 17 drain drain NN 28553 3523 18 . . . 28553 3524 1 After after IN 28553 3524 2 a a DT 28553 3524 3 few few JJ 28553 3524 4 minutes minute NNS 28553 3524 5 the the DT 28553 3524 6 clothes clothe NNS 28553 3524 7 are be VBP 28553 3524 8 dry dry JJ 28553 3524 9 enough enough RB 28553 3524 10 for for IN 28553 3524 11 ironing iron VBG 28553 3524 12 . . . 28553 3525 1 So so RB 28553 3525 2 great great JJ 28553 3525 3 is be VBZ 28553 3525 4 the the DT 28553 3525 5 centrifugal centrifugal JJ 28553 3525 6 force force NN 28553 3525 7 that that IN 28553 3525 8 they -PRON- PRP 28553 3525 9 are be VBP 28553 3525 10 consolidated consolidate VBN 28553 3525 11 against against IN 28553 3525 12 the the DT 28553 3525 13 sides side NNS 28553 3525 14 of of IN 28553 3525 15 the the DT 28553 3525 16 cage cage NN 28553 3525 17 , , , 28553 3525 18 and and CC 28553 3525 19 care care NN 28553 3525 20 is be VBZ 28553 3525 21 needed need VBN 28553 3525 22 in in IN 28553 3525 23 their -PRON- PRP$ 28553 3525 24 removal removal NN 28553 3525 25 . . . 28553 3526 1 [ [ -LRB- 28553 3526 2 35 35 CD 28553 3526 3 ] ] -RRB- 28553 3526 4 Inventor Inventor NNP 28553 3526 5 of of IN 28553 3526 6 the the DT 28553 3526 7 lathe lathe NN 28553 3526 8 slide slide NN 28553 3526 9 - - HYPH 28553 3526 10 rest rest NN 28553 3526 11 . . . 28553 3527 1 [ [ -LRB- 28553 3527 2 36 36 CD 28553 3527 3 ] ] -RRB- 28553 3527 4 Living live VBG 28553 3527 5 germs germ NNS 28553 3527 6 ; ; , 28553 3527 7 some some DT 28553 3527 8 varieties variety NNS 28553 3527 9 the the DT 28553 3527 10 cause cause NN 28553 3527 11 of of IN 28553 3527 12 disease disease NN 28553 3527 13 . . . 28553 3528 1 [ [ -LRB- 28553 3528 2 37 37 CD 28553 3528 3 ] ] -RRB- 28553 3528 4 That that RB 28553 3528 5 is is RB 28553 3528 6 , , , 28553 3528 7 centre centre NN 28553 3528 8 - - HYPH 28553 3528 9 fleeing flee VBG 28553 3528 10 force force NN 28553 3528 11 . . . 28553 3529 1 Water water NN 28553 3529 2 dropped drop VBD 28553 3529 3 on on IN 28553 3529 4 a a DT 28553 3529 5 spinning spin VBG 28553 3529 6 top top JJ 28553 3529 7 rushes rush NNS 28553 3529 8 towards towards IN 28553 3529 9 the the DT 28553 3529 10 circumference circumference NN 28553 3529 11 and and CC 28553 3529 12 is be VBZ 28553 3529 13 shot shoot VBN 28553 3529 14 off off RP 28553 3529 15 at at IN 28553 3529 16 right right JJ 28553 3529 17 angles angle NNS 28553 3529 18 to to IN 28553 3529 19 a a DT 28553 3529 20 line line NN 28553 3529 21 drawn draw VBN 28553 3529 22 from from IN 28553 3529 23 the the DT 28553 3529 24 point point NN 28553 3529 25 of of IN 28553 3529 26 parting part VBG 28553 3529 27 to to IN 28553 3529 28 the the DT 28553 3529 29 centre centre NN 28553 3529 30 of of IN 28553 3529 31 the the DT 28553 3529 32 top top NN 28553 3529 33 . . . 28553 3530 1 Chapter chapter NN 28553 3530 2 XIX XIX NNP 28553 3530 3 . . . 28553 3531 1 HEATING HEATING NNP 28553 3531 2 AND and CC 28553 3531 3 LIGHTING LIGHTING NNP 28553 3531 4 . . . 28553 3532 1 The the DT 28553 3532 2 hot hot JJ 28553 3532 3 - - HYPH 28553 3532 4 water water NN 28553 3532 5 supply supply NN 28553 3532 6 -- -- : 28553 3532 7 The the DT 28553 3532 8 tank tank NN 28553 3532 9 system system NN 28553 3532 10 -- -- : 28553 3532 11 The the DT 28553 3532 12 cylinder cylinder NN 28553 3532 13 system system NN 28553 3532 14 -- -- : 28553 3532 15 How how WRB 28553 3532 16 a a DT 28553 3532 17 lamp lamp NN 28553 3532 18 works work VBZ 28553 3532 19 -- -- : 28553 3532 20 Gas gas NN 28553 3532 21 and and CC 28553 3532 22 gasworks gaswork NNS 28553 3532 23 -- -- : 28553 3532 24 Automatic automatic JJ 28553 3532 25 stoking stoking NN 28553 3532 26 -- -- : 28553 3532 27 A a DT 28553 3532 28 gas gas NN 28553 3532 29 governor governor NN 28553 3532 30 -- -- . 28553 3532 31 The the DT 28553 3532 32 gas gas NN 28553 3532 33 meter meter NN 28553 3532 34 -- -- : 28553 3532 35 Incandescent incandescent JJ 28553 3532 36 gas gas NN 28553 3532 37 lighting lighting NN 28553 3532 38 . . . 28553 3533 1 HOT hot JJ 28553 3533 2 - - HYPH 28553 3533 3 WATER water NN 28553 3533 4 SUPPLY supply NN 28553 3533 5 . . . 28553 3534 1 A a DT 28553 3534 2 well well RB 28553 3534 3 - - HYPH 28553 3534 4 equipped equip VBN 28553 3534 5 house house NN 28553 3534 6 is be VBZ 28553 3534 7 nowadays nowadays RB 28553 3534 8 expected expect VBN 28553 3534 9 to to TO 28553 3534 10 contain contain VB 28553 3534 11 efficient efficient JJ 28553 3534 12 apparatus apparatus NN 28553 3534 13 for for IN 28553 3534 14 supplying supply VBG 28553 3534 15 plenty plenty NN 28553 3534 16 of of IN 28553 3534 17 hot hot JJ 28553 3534 18 water water NN 28553 3534 19 at at IN 28553 3534 20 all all DT 28553 3534 21 hours hour NNS 28553 3534 22 of of IN 28553 3534 23 the the DT 28553 3534 24 day day NN 28553 3534 25 . . . 28553 3535 1 There there EX 28553 3535 2 is be VBZ 28553 3535 3 little little JJ 28553 3535 4 romance romance NN 28553 3535 5 about about IN 28553 3535 6 the the DT 28553 3535 7 kitchen kitchen NN 28553 3535 8 boiler boiler NN 28553 3535 9 and and CC 28553 3535 10 the the DT 28553 3535 11 pipes pipe NNS 28553 3535 12 which which WDT 28553 3535 13 the the DT 28553 3535 14 plumber plumber NN 28553 3535 15 and and CC 28553 3535 16 his -PRON- PRP$ 28553 3535 17 satellites satellite NNS 28553 3535 18 have have VBP 28553 3535 19 sometimes sometimes RB 28553 3535 20 to to TO 28553 3535 21 inspect inspect VB 28553 3535 22 and and CC 28553 3535 23 put put VB 28553 3535 24 right right RB 28553 3535 25 , , , 28553 3535 26 but but CC 28553 3535 27 the the DT 28553 3535 28 methods method NNS 28553 3535 29 of of IN 28553 3535 30 securing secure VBG 28553 3535 31 a a DT 28553 3535 32 proper proper JJ 28553 3535 33 circulation circulation NN 28553 3535 34 of of IN 28553 3535 35 hot hot JJ 28553 3535 36 water water NN 28553 3535 37 through through IN 28553 3535 38 the the DT 28553 3535 39 house house NN 28553 3535 40 are be VBP 28553 3535 41 sufficiently sufficiently RB 28553 3535 42 important important JJ 28553 3535 43 and and CC 28553 3535 44 interesting interesting JJ 28553 3535 45 to to TO 28553 3535 46 be be VB 28553 3535 47 noticed notice VBN 28553 3535 48 in in IN 28553 3535 49 these these DT 28553 3535 50 pages page NNS 28553 3535 51 . . . 28553 3536 1 In in IN 28553 3536 2 houses house NNS 28553 3536 3 of of IN 28553 3536 4 moderate moderate JJ 28553 3536 5 size size NN 28553 3536 6 the the DT 28553 3536 7 kitchen kitchen NN 28553 3536 8 range range NN 28553 3536 9 does do VBZ 28553 3536 10 the the DT 28553 3536 11 heating heating NN 28553 3536 12 . . . 28553 3537 1 The the DT 28553 3537 2 two two CD 28553 3537 3 systems system NNS 28553 3537 4 of of IN 28553 3537 5 storing store VBG 28553 3537 6 and and CC 28553 3537 7 distributing distribute VBG 28553 3537 8 the the DT 28553 3537 9 heated heated JJ 28553 3537 10 water water NN 28553 3537 11 most most RBS 28553 3537 12 commonly commonly RB 28553 3537 13 used use VBN 28553 3537 14 are--(1 are--(1 NN 28553 3537 15 ) ) -RRB- 28553 3537 16 The the DT 28553 3537 17 _ _ NNP 28553 3537 18 tank tank NN 28553 3537 19 _ _ NNP 28553 3537 20 system system NN 28553 3537 21 ; ; : 28553 3537 22 ( ( -LRB- 28553 3537 23 2 2 LS 28553 3537 24 ) ) -RRB- 28553 3537 25 the the DT 28553 3537 26 _ _ NNP 28553 3537 27 cylinder cylinder NN 28553 3537 28 _ _ NNP 28553 3537 29 system system NN 28553 3537 30 . . . 28553 3538 1 THE the DT 28553 3538 2 TANK tank NN 28553 3538 3 SYSTEM SYSTEM NNP 28553 3538 4 is be VBZ 28553 3538 5 shown show VBN 28553 3538 6 diagrammatically diagrammatically RB 28553 3538 7 in in IN 28553 3538 8 Fig Fig NNP 28553 3538 9 . . . 28553 3539 1 192 192 CD 28553 3539 2 . . . 28553 3540 1 The the DT 28553 3540 2 boiler boiler NN 28553 3540 3 is be VBZ 28553 3540 4 situated situate VBN 28553 3540 5 at at IN 28553 3540 6 the the DT 28553 3540 7 back back NN 28553 3540 8 of of IN 28553 3540 9 the the DT 28553 3540 10 range range NN 28553 3540 11 , , , 28553 3540 12 and and CC 28553 3540 13 when when WRB 28553 3540 14 a a DT 28553 3540 15 " " `` 28553 3540 16 damper damper NN 28553 3540 17 " " '' 28553 3540 18 is be VBZ 28553 3540 19 drawn draw VBN 28553 3540 20 the the DT 28553 3540 21 fire fire NN 28553 3540 22 and and CC 28553 3540 23 hot hot JJ 28553 3540 24 gases gas NNS 28553 3540 25 pass pass VBP 28553 3540 26 under under IN 28553 3540 27 it -PRON- PRP 28553 3540 28 to to IN 28553 3540 29 a a DT 28553 3540 30 flue flue NN 28553 3540 31 leading lead VBG 28553 3540 32 to to IN 28553 3540 33 the the DT 28553 3540 34 chimney chimney NN 28553 3540 35 . . . 28553 3541 1 The the DT 28553 3541 2 almost almost RB 28553 3541 3 boiling boil VBG 28553 3541 4 water water NN 28553 3541 5 rises rise VBZ 28553 3541 6 to to IN 28553 3541 7 the the DT 28553 3541 8 top top NN 28553 3541 9 of of IN 28553 3541 10 the the DT 28553 3541 11 boiler boiler NN 28553 3541 12 and and CC 28553 3541 13 thence thence NN 28553 3541 14 finds find VBZ 28553 3541 15 its -PRON- PRP$ 28553 3541 16 way way NN 28553 3541 17 up up IN 28553 3541 18 the the DT 28553 3541 19 _ _ NNP 28553 3541 20 flow flow NN 28553 3541 21 pipe pipe NN 28553 3541 22 _ _ NNP 28553 3541 23 into into IN 28553 3541 24 the the DT 28553 3541 25 hot hot JJ 28553 3541 26 - - HYPH 28553 3541 27 water water NN 28553 3541 28 tank tank NN 28553 3541 29 A a NN 28553 3541 30 , , , 28553 3541 31 displacing displace VBG 28553 3541 32 the the DT 28553 3541 33 somewhat somewhat RB 28553 3541 34 colder cold JJR 28553 3541 35 water water NN 28553 3541 36 there there RB 28553 3541 37 , , , 28553 3541 38 which which WDT 28553 3541 39 descends descend VBZ 28553 3541 40 through through IN 28553 3541 41 the the DT 28553 3541 42 _ _ NNP 28553 3541 43 return return NN 28553 3541 44 pipe pipe NN 28553 3541 45 _ _ NNP 28553 3541 46 to to IN 28553 3541 47 the the DT 28553 3541 48 bottom bottom NN 28553 3541 49 of of IN 28553 3541 50 the the DT 28553 3541 51 boiler boiler NN 28553 3541 52 . . . 28553 3542 1 Water water NN 28553 3542 2 is be VBZ 28553 3542 3 drawn draw VBN 28553 3542 4 off off RP 28553 3542 5 from from IN 28553 3542 6 the the DT 28553 3542 7 flow flow NN 28553 3542 8 pipe pipe NN 28553 3542 9 . . . 28553 3543 1 This this DT 28553 3543 2 pipe pipe NN 28553 3543 3 projects project VBZ 28553 3543 4 some some DT 28553 3543 5 distance distance NN 28553 3543 6 through through IN 28553 3543 7 the the DT 28553 3543 8 bottom bottom NN 28553 3543 9 of of IN 28553 3543 10 A a DT 28553 3543 11 , , , 28553 3543 12 so so IN 28553 3543 13 that that IN 28553 3543 14 the the DT 28553 3543 15 hottest hot JJS 28553 3543 16 portion portion NN 28553 3543 17 of of IN 28553 3543 18 the the DT 28553 3543 19 contents content NNS 28553 3543 20 may may MD 28553 3543 21 be be VB 28553 3543 22 drawn draw VBN 28553 3543 23 off off RP 28553 3543 24 first first RB 28553 3543 25 . . . 28553 3544 1 A a DT 28553 3544 2 tank tank NN 28553 3544 3 situated situate VBN 28553 3544 4 in in IN 28553 3544 5 the the DT 28553 3544 6 roof roof NN 28553 3544 7 , , , 28553 3544 8 and and CC 28553 3544 9 fed feed VBN 28553 3544 10 from from IN 28553 3544 11 the the DT 28553 3544 12 main main JJ 28553 3544 13 by by IN 28553 3544 14 a a DT 28553 3544 15 ball ball NN 28553 3544 16 - - HYPH 28553 3544 17 cock cock NN 28553 3544 18 valve valve NN 28553 3544 19 , , , 28553 3544 20 communicates communicate VBZ 28553 3544 21 with with IN 28553 3544 22 A a DT 28553 3544 23 through through IN 28553 3544 24 the the DT 28553 3544 25 siphon siphon NN 28553 3544 26 pipe pipe NN 28553 3544 27 S. S. NNP 28553 3544 28 The the DT 28553 3544 29 bend bend NN 28553 3544 30 in in IN 28553 3544 31 this this DT 28553 3544 32 pipe pipe NN 28553 3544 33 prevents prevent VBZ 28553 3544 34 the the DT 28553 3544 35 ascent ascent NN 28553 3544 36 of of IN 28553 3544 37 hot hot JJ 28553 3544 38 water water NN 28553 3544 39 , , , 28553 3544 40 which which WDT 28553 3544 41 can can MD 28553 3544 42 not not RB 28553 3544 43 sink sink VB 28553 3544 44 through through IN 28553 3544 45 water water NN 28553 3544 46 colder cold JJR 28553 3544 47 than than IN 28553 3544 48 itself -PRON- PRP 28553 3544 49 . . . 28553 3545 1 From from IN 28553 3545 2 the the DT 28553 3545 3 top top NN 28553 3545 4 of of IN 28553 3545 5 A a NN 28553 3545 6 an an DT 28553 3545 7 _ _ NNP 28553 3545 8 expansion expansion NN 28553 3545 9 pipe pipe NN 28553 3545 10 _ _ NNP 28553 3545 11 is be VBZ 28553 3545 12 led lead VBN 28553 3545 13 up up RP 28553 3545 14 and and CC 28553 3545 15 turned turn VBD 28553 3545 16 over over RP 28553 3545 17 the the DT 28553 3545 18 cold cold JJ 28553 3545 19 - - HYPH 28553 3545 20 water water NN 28553 3545 21 tank tank NN 28553 3545 22 to to TO 28553 3545 23 discharge discharge VB 28553 3545 24 any any DT 28553 3545 25 steam steam NN 28553 3545 26 which which WDT 28553 3545 27 may may MD 28553 3545 28 be be VB 28553 3545 29 generated generate VBN 28553 3545 30 in in IN 28553 3545 31 the the DT 28553 3545 32 boiler boiler NN 28553 3545 33 . . . 28553 3546 1 A a DT 28553 3546 2 hot hot JJ 28553 3546 3 - - HYPH 28553 3546 4 water water NN 28553 3546 5 radiator radiator NN 28553 3546 6 for for IN 28553 3546 7 warming warm VBG 28553 3546 8 the the DT 28553 3546 9 house house NN 28553 3546 10 may may MD 28553 3546 11 be be VB 28553 3546 12 connected connect VBN 28553 3546 13 to to IN 28553 3546 14 the the DT 28553 3546 15 flow flow NN 28553 3546 16 and and CC 28553 3546 17 return return NN 28553 3546 18 pipes pipe NNS 28553 3546 19 as as IN 28553 3546 20 shown show VBN 28553 3546 21 . . . 28553 3547 1 Since since IN 28553 3547 2 it -PRON- PRP 28553 3547 3 opens open VBZ 28553 3547 4 a a DT 28553 3547 5 " " `` 28553 3547 6 short short JJ 28553 3547 7 circuit circuit NN 28553 3547 8 " " '' 28553 3547 9 for for IN 28553 3547 10 the the DT 28553 3547 11 circulation circulation NN 28553 3547 12 , , , 28553 3547 13 the the DT 28553 3547 14 water water NN 28553 3547 15 in in IN 28553 3547 16 the the DT 28553 3547 17 tank tank NN 28553 3547 18 above above RB 28553 3547 19 will will MD 28553 3547 20 not not RB 28553 3547 21 be be VB 28553 3547 22 so so RB 28553 3547 23 well well RB 28553 3547 24 heated heated JJ 28553 3547 25 while while IN 28553 3547 26 it -PRON- PRP 28553 3547 27 is be VBZ 28553 3547 28 in in IN 28553 3547 29 action action NN 28553 3547 30 . . . 28553 3548 1 If if IN 28553 3548 2 cocks cock NNS 28553 3548 3 are be VBP 28553 3548 4 fitted fit VBN 28553 3548 5 to to IN 28553 3548 6 the the DT 28553 3548 7 radiator radiator NN 28553 3548 8 pipes pipe NNS 28553 3548 9 , , , 28553 3548 10 the the DT 28553 3548 11 amount amount NN 28553 3548 12 of of IN 28553 3548 13 heat heat NN 28553 3548 14 thus thus RB 28553 3548 15 deflected deflect VBN 28553 3548 16 can can MD 28553 3548 17 be be VB 28553 3548 18 governed govern VBN 28553 3548 19 . . . 28553 3549 1 [ [ -LRB- 28553 3549 2 Illustration illustration NN 28553 3549 3 : : : 28553 3549 4 FIG FIG NNP 28553 3549 5 . . . 28553 3550 1 192.--The 192.--the LS 28553 3550 2 " " `` 28553 3550 3 tank tank NN 28553 3550 4 " " '' 28553 3550 5 system system NN 28553 3550 6 of of IN 28553 3550 7 hot hot JJ 28553 3550 8 - - HYPH 28553 3550 9 water water NN 28553 3550 10 supply supply NN 28553 3550 11 . . . 28553 3550 12 ] ] -RRB- 28553 3551 1 A a DT 28553 3551 2 disadvantage disadvantage NN 28553 3551 3 of of IN 28553 3551 4 the the DT 28553 3551 5 tank tank NN 28553 3551 6 system system NN 28553 3551 7 is be VBZ 28553 3551 8 that that IN 28553 3551 9 the the DT 28553 3551 10 tank tank NN 28553 3551 11 , , , 28553 3551 12 if if IN 28553 3551 13 placed place VBN 28553 3551 14 high high RB 28553 3551 15 enough enough RB 28553 3551 16 to to TO 28553 3551 17 supply supply VB 28553 3551 18 all all DT 28553 3551 19 flows flow NNS 28553 3551 20 , , , 28553 3551 21 is be VBZ 28553 3551 22 sometimes sometimes RB 28553 3551 23 so so RB 28553 3551 24 far far RB 28553 3551 25 from from IN 28553 3551 26 the the DT 28553 3551 27 boiler boiler NN 28553 3551 28 that that WDT 28553 3551 29 the the DT 28553 3551 30 water water NN 28553 3551 31 loses lose VBZ 28553 3551 32 much much JJ 28553 3551 33 of of IN 28553 3551 34 its -PRON- PRP$ 28553 3551 35 heat heat NN 28553 3551 36 in in IN 28553 3551 37 the the DT 28553 3551 38 course course NN 28553 3551 39 of of IN 28553 3551 40 circulation circulation NN 28553 3551 41 . . . 28553 3552 1 Also also RB 28553 3552 2 , , , 28553 3552 3 if if IN 28553 3552 4 for for IN 28553 3552 5 any any DT 28553 3552 6 reason reason NN 28553 3552 7 the the DT 28553 3552 8 cold cold JJ 28553 3552 9 water water NN 28553 3552 10 fails fail VBZ 28553 3552 11 , , , 28553 3552 12 tank tank NN 28553 3552 13 A a DT 28553 3552 14 may may MD 28553 3552 15 be be VB 28553 3552 16 entirely entirely RB 28553 3552 17 emptied empty VBN 28553 3552 18 , , , 28553 3552 19 circulation circulation NN 28553 3552 20 cease cease NN 28553 3552 21 , , , 28553 3552 22 and and CC 28553 3552 23 the the DT 28553 3552 24 water water NN 28553 3552 25 in in IN 28553 3552 26 the the DT 28553 3552 27 boiler boiler NN 28553 3552 28 and and CC 28553 3552 29 pipes pipe NNS 28553 3552 30 boil boil VBP 28553 3552 31 away away RP 28553 3552 32 rapidly rapidly RB 28553 3552 33 . . . 28553 3553 1 THE the DT 28553 3553 2 CYLINDER CYLINDER NNP 28553 3553 3 SYSTEM system NN 28553 3553 4 ( ( -LRB- 28553 3553 5 Fig fig NN 28553 3553 6 . . . 28553 3554 1 193 193 CD 28553 3554 2 ) ) -RRB- 28553 3554 3 is be VBZ 28553 3554 4 open open JJ 28553 3554 5 to to IN 28553 3554 6 neither neither DT 28553 3554 7 of of IN 28553 3554 8 these these DT 28553 3554 9 objections objection NNS 28553 3554 10 . . . 28553 3555 1 Instead instead RB 28553 3555 2 of of IN 28553 3555 3 a a DT 28553 3555 4 rectangular rectangular JJ 28553 3555 5 tank tank NN 28553 3555 6 up up RB 28553 3555 7 aloft aloft RB 28553 3555 8 , , , 28553 3555 9 we -PRON- PRP 28553 3555 10 now now RB 28553 3555 11 have have VBP 28553 3555 12 a a DT 28553 3555 13 large large JJ 28553 3555 14 copper copper NN 28553 3555 15 cylinder cylinder NN 28553 3555 16 situated situate VBN 28553 3555 17 in in IN 28553 3555 18 the the DT 28553 3555 19 kitchen kitchen NN 28553 3555 20 near near IN 28553 3555 21 the the DT 28553 3555 22 range range NN 28553 3555 23 . . . 28553 3556 1 The the DT 28553 3556 2 flow flow NN 28553 3556 3 and and CC 28553 3556 4 return return NN 28553 3556 5 pipes pipe NNS 28553 3556 6 are be VBP 28553 3556 7 continuous continuous JJ 28553 3556 8 , , , 28553 3556 9 and and CC 28553 3556 10 the the DT 28553 3556 11 cold cold JJ 28553 3556 12 supply supply NN 28553 3556 13 enters enter VBZ 28553 3556 14 the the DT 28553 3556 15 bottom bottom NN 28553 3556 16 of of IN 28553 3556 17 the the DT 28553 3556 18 cylinder cylinder NN 28553 3556 19 through through IN 28553 3556 20 a a DT 28553 3556 21 pipe pipe NN 28553 3556 22 with with IN 28553 3556 23 a a DT 28553 3556 24 siphon siphon NN 28553 3556 25 bend bend NN 28553 3556 26 in in IN 28553 3556 27 it -PRON- PRP 28553 3556 28 . . . 28553 3557 1 As as IN 28553 3557 2 before before RB 28553 3557 3 , , , 28553 3557 4 water water NN 28553 3557 5 is be VBZ 28553 3557 6 drawn draw VBN 28553 3557 7 off off RP 28553 3557 8 from from IN 28553 3557 9 the the DT 28553 3557 10 flow flow NN 28553 3557 11 pipe pipe NN 28553 3557 12 , , , 28553 3557 13 and and CC 28553 3557 14 a a DT 28553 3557 15 radiator radiator NN 28553 3557 16 may may MD 28553 3557 17 be be VB 28553 3557 18 put put VBN 28553 3557 19 in in IN 28553 3557 20 the the DT 28553 3557 21 circuit circuit NN 28553 3557 22 . . . 28553 3558 1 Since since IN 28553 3558 2 there there EX 28553 3558 3 is be VBZ 28553 3558 4 no no DT 28553 3558 5 draw draw NN 28553 3558 6 - - HYPH 28553 3558 7 off off RP 28553 3558 8 point point NN 28553 3558 9 below below IN 28553 3558 10 the the DT 28553 3558 11 top top NN 28553 3558 12 of of IN 28553 3558 13 the the DT 28553 3558 14 cylinder cylinder NN 28553 3558 15 , , , 28553 3558 16 even even RB 28553 3558 17 if if IN 28553 3558 18 the the DT 28553 3558 19 cold cold JJ 28553 3558 20 supply supply NN 28553 3558 21 fails fail VBZ 28553 3558 22 the the DT 28553 3558 23 cylinder cylinder NN 28553 3558 24 will will MD 28553 3558 25 remain remain VB 28553 3558 26 full full JJ 28553 3558 27 , , , 28553 3558 28 and and CC 28553 3558 29 the the DT 28553 3558 30 failure failure NN 28553 3558 31 will will MD 28553 3558 32 be be VB 28553 3558 33 discovered discover VBN 28553 3558 34 long long RB 28553 3558 35 before before RB 28553 3558 36 there there EX 28553 3558 37 is be VBZ 28553 3558 38 any any DT 28553 3558 39 danger danger NN 28553 3558 40 of of IN 28553 3558 41 the the DT 28553 3558 42 water water NN 28553 3558 43 in in IN 28553 3558 44 it -PRON- PRP 28553 3558 45 boiling boil VBG 28553 3558 46 away away RB 28553 3558 47 . . . 28553 3559 1 [ [ -LRB- 28553 3559 2 Illustration illustration NN 28553 3559 3 : : : 28553 3559 4 FIG FIG NNP 28553 3559 5 . . . 28553 3560 1 193.--The 193.--the CD 28553 3560 2 " " `` 28553 3560 3 cylinder cylinder NN 28553 3560 4 " " '' 28553 3560 5 system system NN 28553 3560 6 of of IN 28553 3560 7 hot hot JJ 28553 3560 8 - - HYPH 28553 3560 9 water water NN 28553 3560 10 supply supply NN 28553 3560 11 . . . 28553 3560 12 ] ] -RRB- 28553 3561 1 Boiler boiler NN 28553 3561 2 explosions explosion NNS 28553 3561 3 are be VBP 28553 3561 4 due due JJ 28553 3561 5 to to IN 28553 3561 6 obstructions obstruction NNS 28553 3561 7 in in IN 28553 3561 8 the the DT 28553 3561 9 pipes pipe NNS 28553 3561 10 . . . 28553 3562 1 If if IN 28553 3562 2 the the DT 28553 3562 3 expansion expansion NN 28553 3562 4 pipe pipe NN 28553 3562 5 and and CC 28553 3562 6 the the DT 28553 3562 7 cold cold JJ 28553 3562 8 - - HYPH 28553 3562 9 water water NN 28553 3562 10 supply supply NN 28553 3562 11 pipe pipe NN 28553 3562 12 freeze freeze NN 28553 3562 13 , , , 28553 3562 14 there there EX 28553 3562 15 is be VBZ 28553 3562 16 danger danger NN 28553 3562 17 of of IN 28553 3562 18 a a DT 28553 3562 19 slight slight JJ 28553 3562 20 accumulation accumulation NN 28553 3562 21 of of IN 28553 3562 22 steam steam NN 28553 3562 23 ; ; : 28553 3562 24 and and CC 28553 3562 25 if if IN 28553 3562 26 one one CD 28553 3562 27 of of IN 28553 3562 28 the the DT 28553 3562 29 circulation circulation NN 28553 3562 30 pipes pipe NNS 28553 3562 31 is be VBZ 28553 3562 32 also also RB 28553 3562 33 blocked block VBN 28553 3562 34 , , , 28553 3562 35 steam steam NN 28553 3562 36 must must MD 28553 3562 37 generate generate VB 28553 3562 38 until until IN 28553 3562 39 " " `` 28553 3562 40 something something NN 28553 3562 41 has have VBZ 28553 3562 42 to to IN 28553 3562 43 go,"[38 go,"[38 NNP 28553 3562 44 ] ] -RRB- 28553 3562 45 which which WDT 28553 3562 46 is be VBZ 28553 3562 47 naturally naturally RB 28553 3562 48 the the DT 28553 3562 49 boiler boiler NN 28553 3562 50 . . . 28553 3563 1 Assuming assume VBG 28553 3563 2 that that IN 28553 3563 3 the the DT 28553 3563 4 pipes pipe NNS 28553 3563 5 are be VBP 28553 3563 6 quite quite RB 28553 3563 7 full full JJ 28553 3563 8 to to IN 28553 3563 9 the the DT 28553 3563 10 points point NNS 28553 3563 11 of of IN 28553 3563 12 obstruction obstruction NN 28553 3563 13 , , , 28553 3563 14 the the DT 28553 3563 15 fracture fracture NN 28553 3563 16 would would MD 28553 3563 17 result result VB 28553 3563 18 from from IN 28553 3563 19 the the DT 28553 3563 20 expansion expansion NN 28553 3563 21 of of IN 28553 3563 22 the the DT 28553 3563 23 water water NN 28553 3563 24 . . . 28553 3564 1 Steam steam NN 28553 3564 2 can can MD 28553 3564 3 not not RB 28553 3564 4 generate generate VB 28553 3564 5 unless unless IN 28553 3564 6 there there EX 28553 3564 7 be be VB 28553 3564 8 a a DT 28553 3564 9 space space NN 28553 3564 10 above above IN 28553 3564 11 the the DT 28553 3564 12 water water NN 28553 3564 13 . . . 28553 3565 1 But but CC 28553 3565 2 the the DT 28553 3565 3 expanding expand VBG 28553 3565 4 water water NN 28553 3565 5 has have VBZ 28553 3565 6 stored store VBN 28553 3565 7 up up RP 28553 3565 8 the the DT 28553 3565 9 heat heat NN 28553 3565 10 which which WDT 28553 3565 11 would would MD 28553 3565 12 have have VB 28553 3565 13 raised raise VBN 28553 3565 14 steam steam NN 28553 3565 15 , , , 28553 3565 16 and and CC 28553 3565 17 the the DT 28553 3565 18 moment moment NN 28553 3565 19 expansion expansion NN 28553 3565 20 begins begin VBZ 28553 3565 21 after after IN 28553 3565 22 fracture fracture NN 28553 3565 23 this this DT 28553 3565 24 energy energy NN 28553 3565 25 is be VBZ 28553 3565 26 suddenly suddenly RB 28553 3565 27 let let VBN 28553 3565 28 loose loose RB 28553 3565 29 . . . 28553 3566 1 Steam steam NN 28553 3566 2 forms form NNS 28553 3566 3 instantaneously instantaneously RB 28553 3566 4 , , , 28553 3566 5 augmenting augment VBG 28553 3566 6 the the DT 28553 3566 7 effects effect NNS 28553 3566 8 of of IN 28553 3566 9 the the DT 28553 3566 10 explosion explosion NN 28553 3566 11 . . . 28553 3567 1 From from IN 28553 3567 2 this this DT 28553 3567 3 it -PRON- PRP 28553 3567 4 will will MD 28553 3567 5 be be VB 28553 3567 6 gathered gather VBN 28553 3567 7 that that IN 28553 3567 8 all all DT 28553 3567 9 pipes pipe NNS 28553 3567 10 should should MD 28553 3567 11 be be VB 28553 3567 12 properly properly RB 28553 3567 13 protected protect VBN 28553 3567 14 against against IN 28553 3567 15 frost frost NN 28553 3567 16 ; ; : 28553 3567 17 especially especially RB 28553 3567 18 near near IN 28553 3567 19 the the DT 28553 3567 20 roof roof NN 28553 3567 21 . . . 28553 3568 1 Another another DT 28553 3568 2 cause cause NN 28553 3568 3 of of IN 28553 3568 4 disaster disaster NN 28553 3568 5 is be VBZ 28553 3568 6 the the DT 28553 3568 7 _ _ NNP 28553 3568 8 furring fur VBG 28553 3568 9 up up RP 28553 3568 10 _ _ NNP 28553 3568 11 of of IN 28553 3568 12 the the DT 28553 3568 13 pipes pipe NNS 28553 3568 14 with with IN 28553 3568 15 the the DT 28553 3568 16 lime lime NN 28553 3568 17 deposited deposit VBN 28553 3568 18 by by IN 28553 3568 19 hard hard JJ 28553 3568 20 water water NN 28553 3568 21 when when WRB 28553 3568 22 heated heat VBN 28553 3568 23 . . . 28553 3569 1 When when WRB 28553 3569 2 hard hard JJ 28553 3569 3 water water NN 28553 3569 4 is be VBZ 28553 3569 5 used use VBN 28553 3569 6 , , , 28553 3569 7 the the DT 28553 3569 8 pipes pipe NNS 28553 3569 9 will will MD 28553 3569 10 sooner sooner RB 28553 3569 11 or or CC 28553 3569 12 later later RB 28553 3569 13 be be VB 28553 3569 14 blocked block VBN 28553 3569 15 near near IN 28553 3569 16 the the DT 28553 3569 17 boiler boiler NN 28553 3569 18 ; ; : 28553 3569 19 and and CC 28553 3569 20 as as IN 28553 3569 21 the the DT 28553 3569 22 deposit deposit NN 28553 3569 23 is be VBZ 28553 3569 24 too too RB 28553 3569 25 hard hard JJ 28553 3569 26 to to TO 28553 3569 27 be be VB 28553 3569 28 scraped scrape VBN 28553 3569 29 away away RB 28553 3569 30 , , , 28553 3569 31 periodical periodical JJ 28553 3569 32 renewals renewal NNS 28553 3569 33 are be VBP 28553 3569 34 unavoidable unavoidable JJ 28553 3569 35 . . . 28553 3570 1 HOW how WRB 28553 3570 2 A a DT 28553 3570 3 LAMP lamp NN 28553 3570 4 WORKS works NN 28553 3570 5 . . . 28553 3571 1 From from IN 28553 3571 2 heating heating NN 28553 3571 3 we -PRON- PRP 28553 3571 4 turn turn VBP 28553 3571 5 to to IN 28553 3571 6 lighting lighting NN 28553 3571 7 , , , 28553 3571 8 and and CC 28553 3571 9 first first RB 28553 3571 10 to to IN 28553 3571 11 the the DT 28553 3571 12 ordinary ordinary JJ 28553 3571 13 paraffin paraffin NN 28553 3571 14 lamp lamp NN 28553 3571 15 . . . 28553 3572 1 The the DT 28553 3572 2 two two CD 28553 3572 3 chief chief JJ 28553 3572 4 things thing NNS 28553 3572 5 to to TO 28553 3572 6 notice notice VB 28553 3572 7 about about IN 28553 3572 8 this this DT 28553 3572 9 are be VBP 28553 3572 10 the the DT 28553 3572 11 wick wick NN 28553 3572 12 and and CC 28553 3572 13 the the DT 28553 3572 14 chimney chimney NN 28553 3572 15 . . . 28553 3573 1 The the DT 28553 3573 2 wick wick NN 28553 3573 3 , , , 28553 3573 4 being be VBG 28553 3573 5 made make VBN 28553 3573 6 of of IN 28553 3573 7 closely closely RB 28553 3573 8 - - HYPH 28553 3573 9 woven weave VBN 28553 3573 10 cotton cotton NN 28553 3573 11 , , , 28553 3573 12 draws draw VBZ 28553 3573 13 up up RP 28553 3573 14 the the DT 28553 3573 15 oil oil NN 28553 3573 16 by by IN 28553 3573 17 what what WP 28553 3573 18 is be VBZ 28553 3573 19 known know VBN 28553 3573 20 as as IN 28553 3573 21 _ _ NNP 28553 3573 22 capillary capillary JJ 28553 3573 23 attraction attraction NN 28553 3573 24 _ _ NNP 28553 3573 25 . . . 28553 3574 1 If if IN 28553 3574 2 you -PRON- PRP 28553 3574 3 dip dip VBP 28553 3574 4 the the DT 28553 3574 5 ends end NNS 28553 3574 6 of of IN 28553 3574 7 two two CD 28553 3574 8 glass glass NN 28553 3574 9 tubes tube NNS 28553 3574 10 , , , 28553 3574 11 one one CD 28553 3574 12 half half NN 28553 3574 13 an an DT 28553 3574 14 inch inch NN 28553 3574 15 , , , 28553 3574 16 the the DT 28553 3574 17 other other JJ 28553 3574 18 one one CD 28553 3574 19 - - HYPH 28553 3574 20 eighth eighth NN 28553 3574 21 of of IN 28553 3574 22 an an DT 28553 3574 23 inch inch NN 28553 3574 24 in in IN 28553 3574 25 diameter diameter NN 28553 3574 26 , , , 28553 3574 27 into into IN 28553 3574 28 a a DT 28553 3574 29 vessel vessel NN 28553 3574 30 of of IN 28553 3574 31 water water NN 28553 3574 32 , , , 28553 3574 33 you -PRON- PRP 28553 3574 34 will will MD 28553 3574 35 notice notice VB 28553 3574 36 that that IN 28553 3574 37 the the DT 28553 3574 38 water water NN 28553 3574 39 rises rise VBZ 28553 3574 40 higher higher RBR 28553 3574 41 in in IN 28553 3574 42 the the DT 28553 3574 43 smaller small JJR 28553 3574 44 tube tube NN 28553 3574 45 . . . 28553 3575 1 Or or CC 28553 3575 2 get get VB 28553 3575 3 two two CD 28553 3575 4 clean clean JJ 28553 3575 5 glass glass NN 28553 3575 6 plates plate NNS 28553 3575 7 and and CC 28553 3575 8 lay lie VBD 28553 3575 9 them -PRON- PRP 28553 3575 10 face face NN 28553 3575 11 to to IN 28553 3575 12 face face NN 28553 3575 13 , , , 28553 3575 14 touching touch VBG 28553 3575 15 at at IN 28553 3575 16 one one CD 28553 3575 17 end end NN 28553 3575 18 , , , 28553 3575 19 but but CC 28553 3575 20 kept keep VBD 28553 3575 21 slightly slightly RB 28553 3575 22 apart apart RB 28553 3575 23 at at IN 28553 3575 24 the the DT 28553 3575 25 other other JJ 28553 3575 26 by by IN 28553 3575 27 some some DT 28553 3575 28 small small JJ 28553 3575 29 object object NN 28553 3575 30 . . . 28553 3576 1 If if IN 28553 3576 2 they -PRON- PRP 28553 3576 3 are be VBP 28553 3576 4 partly partly RB 28553 3576 5 submerged submerge VBN 28553 3576 6 perpendicularly perpendicularly RB 28553 3576 7 , , , 28553 3576 8 the the DT 28553 3576 9 water water NN 28553 3576 10 will will MD 28553 3576 11 rise rise VB 28553 3576 12 between between IN 28553 3576 13 the the DT 28553 3576 14 plates plate NNS 28553 3576 15 -- -- : 28553 3576 16 furthest furthest RBS 28553 3576 17 on on IN 28553 3576 18 the the DT 28553 3576 19 side side NN 28553 3576 20 at at IN 28553 3576 21 which which WDT 28553 3576 22 the the DT 28553 3576 23 two two CD 28553 3576 24 plates plate NNS 28553 3576 25 touch touch VBP 28553 3576 26 , , , 28553 3576 27 and and CC 28553 3576 28 less less RBR 28553 3576 29 and and CC 28553 3576 30 less less JJR 28553 3576 31 as as IN 28553 3576 32 the the DT 28553 3576 33 other other JJ 28553 3576 34 edge edge NN 28553 3576 35 is be VBZ 28553 3576 36 approached approach VBN 28553 3576 37 . . . 28553 3577 1 The the DT 28553 3577 2 tendency tendency NN 28553 3577 3 of of IN 28553 3577 4 liquids liquid NNS 28553 3577 5 to to TO 28553 3577 6 rise rise VB 28553 3577 7 through through IN 28553 3577 8 porous porous JJ 28553 3577 9 bodies body NNS 28553 3577 10 is be VBZ 28553 3577 11 a a DT 28553 3577 12 phenomenon phenomenon NN 28553 3577 13 for for IN 28553 3577 14 which which WDT 28553 3577 15 we -PRON- PRP 28553 3577 16 can can MD 28553 3577 17 not not RB 28553 3577 18 account account VB 28553 3577 19 . . . 28553 3578 1 Mineral mineral NN 28553 3578 2 oil oil NN 28553 3578 3 contains contain VBZ 28553 3578 4 a a DT 28553 3578 5 large large JJ 28553 3578 6 proportion proportion NN 28553 3578 7 of of IN 28553 3578 8 carbon carbon NN 28553 3578 9 and and CC 28553 3578 10 hydrogen hydrogen NN 28553 3578 11 ; ; : 28553 3578 12 it -PRON- PRP 28553 3578 13 is be VBZ 28553 3578 14 therefore therefore RB 28553 3578 15 termed term VBN 28553 3578 16 hydro hydro NNP 28553 3578 17 - - HYPH 28553 3578 18 carbon carbon NN 28553 3578 19 . . . 28553 3579 1 When when WRB 28553 3579 2 oil oil NN 28553 3579 3 reaches reach VBZ 28553 3579 4 the the DT 28553 3579 5 top top NN 28553 3579 6 of of IN 28553 3579 7 a a DT 28553 3579 8 lighted light VBN 28553 3579 9 wick wick NN 28553 3579 10 , , , 28553 3579 11 the the DT 28553 3579 12 liquid liquid NN 28553 3579 13 is be VBZ 28553 3579 14 heated heat VBN 28553 3579 15 until until IN 28553 3579 16 it -PRON- PRP 28553 3579 17 turns turn VBZ 28553 3579 18 into into IN 28553 3579 19 gas gas NN 28553 3579 20 . . . 28553 3580 1 The the DT 28553 3580 2 carbon carbon NN 28553 3580 3 and and CC 28553 3580 4 hydrogen hydrogen NN 28553 3580 5 unite unite NN 28553 3580 6 with with IN 28553 3580 7 the the DT 28553 3580 8 oxygen oxygen NN 28553 3580 9 of of IN 28553 3580 10 the the DT 28553 3580 11 air air NN 28553 3580 12 . . . 28553 3581 1 Some some DT 28553 3581 2 particles particle NNS 28553 3581 3 of of IN 28553 3581 4 the the DT 28553 3581 5 carbon carbon NN 28553 3581 6 apparently apparently RB 28553 3581 7 do do VBP 28553 3581 8 not not RB 28553 3581 9 combine combine VB 28553 3581 10 at at IN 28553 3581 11 once once RB 28553 3581 12 , , , 28553 3581 13 and and CC 28553 3581 14 as as IN 28553 3581 15 they -PRON- PRP 28553 3581 16 pass pass VBP 28553 3581 17 through through IN 28553 3581 18 the the DT 28553 3581 19 fiery fiery JJ 28553 3581 20 zone zone NN 28553 3581 21 of of IN 28553 3581 22 the the DT 28553 3581 23 flame flame NN 28553 3581 24 are be VBP 28553 3581 25 heated heated JJ 28553 3581 26 to to IN 28553 3581 27 such such PDT 28553 3581 28 a a DT 28553 3581 29 temperature temperature NN 28553 3581 30 as as IN 28553 3581 31 to to TO 28553 3581 32 become become VB 28553 3581 33 highly highly RB 28553 3581 34 luminous luminous JJ 28553 3581 35 . . . 28553 3582 1 It -PRON- PRP 28553 3582 2 is be VBZ 28553 3582 3 to to TO 28553 3582 4 produce produce VB 28553 3582 5 these these DT 28553 3582 6 light light NN 28553 3582 7 - - : 28553 3582 8 rays ray NNS 28553 3582 9 that that WDT 28553 3582 10 we -PRON- PRP 28553 3582 11 use use VBP 28553 3582 12 a a DT 28553 3582 13 lamp lamp NN 28553 3582 14 , , , 28553 3582 15 and and CC 28553 3582 16 to to TO 28553 3582 17 burn burn VB 28553 3582 18 our -PRON- PRP$ 28553 3582 19 oil oil NN 28553 3582 20 efficiently efficiently RB 28553 3582 21 we -PRON- PRP 28553 3582 22 must must MD 28553 3582 23 supply supply VB 28553 3582 24 the the DT 28553 3582 25 flame flame NN 28553 3582 26 with with IN 28553 3582 27 plenty plenty NN 28553 3582 28 of of IN 28553 3582 29 oxygen oxygen NN 28553 3582 30 , , , 28553 3582 31 with with IN 28553 3582 32 more more JJR 28553 3582 33 than than IN 28553 3582 34 it -PRON- PRP 28553 3582 35 could could MD 28553 3582 36 naturally naturally RB 28553 3582 37 obtain obtain VB 28553 3582 38 . . . 28553 3583 1 So so RB 28553 3583 2 we -PRON- PRP 28553 3583 3 surround surround VBP 28553 3583 4 it -PRON- PRP 28553 3583 5 with with IN 28553 3583 6 a a DT 28553 3583 7 transparent transparent JJ 28553 3583 8 chimney chimney NN 28553 3583 9 of of IN 28553 3583 10 special special JJ 28553 3583 11 glass glass NN 28553 3583 12 . . . 28553 3584 1 The the DT 28553 3584 2 air air NN 28553 3584 3 inside inside IN 28553 3584 4 the the DT 28553 3584 5 chimney chimney NN 28553 3584 6 is be VBZ 28553 3584 7 heated heated JJ 28553 3584 8 , , , 28553 3584 9 and and CC 28553 3584 10 rises rise VBZ 28553 3584 11 ; ; : 28553 3584 12 fresh fresh JJ 28553 3584 13 air air NN 28553 3584 14 rushes rush VBZ 28553 3584 15 in in RB 28553 3584 16 at at IN 28553 3584 17 the the DT 28553 3584 18 bottom bottom NN 28553 3584 19 , , , 28553 3584 20 and and CC 28553 3584 21 is be VBZ 28553 3584 22 also also RB 28553 3584 23 heated heat VBN 28553 3584 24 and and CC 28553 3584 25 replaced replace VBN 28553 3584 26 . . . 28553 3585 1 As as IN 28553 3585 2 the the DT 28553 3585 3 air air NN 28553 3585 4 passes pass VBZ 28553 3585 5 through through RP 28553 3585 6 , , , 28553 3585 7 the the DT 28553 3585 8 flame flame NN 28553 3585 9 seizes seize VBZ 28553 3585 10 on on IN 28553 3585 11 the the DT 28553 3585 12 oxygen oxygen NN 28553 3585 13 . . . 28553 3586 1 If if IN 28553 3586 2 the the DT 28553 3586 3 wick wick NN 28553 3586 4 is be VBZ 28553 3586 5 turned turn VBN 28553 3586 6 up up RP 28553 3586 7 until until IN 28553 3586 8 the the DT 28553 3586 9 flame flame NN 28553 3586 10 becomes become VBZ 28553 3586 11 smoky smoky JJ 28553 3586 12 and and CC 28553 3586 13 flares flare NNS 28553 3586 14 , , , 28553 3586 15 the the DT 28553 3586 16 point point NN 28553 3586 17 has have VBZ 28553 3586 18 been be VBN 28553 3586 19 passed pass VBN 28553 3586 20 at at IN 28553 3586 21 which which WDT 28553 3586 22 the the DT 28553 3586 23 induced induce VBN 28553 3586 24 chimney chimney NN 28553 3586 25 draught draught NN 28553 3586 26 can can MD 28553 3586 27 supply supply VB 28553 3586 28 sufficient sufficient JJ 28553 3586 29 oxygen oxygen NN 28553 3586 30 to to TO 28553 3586 31 combine combine VB 28553 3586 32 with with IN 28553 3586 33 the the DT 28553 3586 34 carbon carbon NN 28553 3586 35 of of IN 28553 3586 36 the the DT 28553 3586 37 vapour vapour NN 28553 3586 38 , , , 28553 3586 39 and and CC 28553 3586 40 the the DT 28553 3586 41 " " `` 28553 3586 42 free free JJ 28553 3586 43 " " '' 28553 3586 44 carbon carbon NN 28553 3586 45 escapes escape NNS 28553 3586 46 as as IN 28553 3586 47 smoke smoke NN 28553 3586 48 . . . 28553 3587 1 The the DT 28553 3587 2 blower blower NN 28553 3587 3 - - HYPH 28553 3587 4 plate plate NN 28553 3587 5 used use VBN 28553 3587 6 to to TO 28553 3587 7 draw draw VB 28553 3587 8 up up RP 28553 3587 9 a a DT 28553 3587 10 fire fire NN 28553 3587 11 ( ( -LRB- 28553 3587 12 Fig fig NN 28553 3587 13 . . . 28553 3588 1 194 194 LS 28553 3588 2 ) ) -RRB- 28553 3588 3 performs perform VBZ 28553 3588 4 exactly exactly RB 28553 3588 5 the the DT 28553 3588 6 same same JJ 28553 3588 7 function function NN 28553 3588 8 as as IN 28553 3588 9 the the DT 28553 3588 10 lamp lamp NN 28553 3588 11 chimney chimney NN 28553 3588 12 , , , 28553 3588 13 but but CC 28553 3588 14 on on IN 28553 3588 15 a a DT 28553 3588 16 larger large JJR 28553 3588 17 scale scale NN 28553 3588 18 . . . 28553 3589 1 The the DT 28553 3589 2 plate plate NN 28553 3589 3 prevents prevent VBZ 28553 3589 4 air air NN 28553 3589 5 passing pass VBG 28553 3589 6 straight straight RB 28553 3589 7 up up IN 28553 3589 8 the the DT 28553 3589 9 chimney chimney NN 28553 3589 10 over over IN 28553 3589 11 the the DT 28553 3589 12 coals coal NNS 28553 3589 13 , , , 28553 3589 14 and and CC 28553 3589 15 compels compel VBZ 28553 3589 16 it -PRON- PRP 28553 3589 17 to to TO 28553 3589 18 find find VB 28553 3589 19 a a DT 28553 3589 20 way way NN 28553 3589 21 through through IN 28553 3589 22 the the DT 28553 3589 23 fire fire NN 28553 3589 24 itself -PRON- PRP 28553 3589 25 to to TO 28553 3589 26 replace replace VB 28553 3589 27 the the DT 28553 3589 28 heated heated JJ 28553 3589 29 air air NN 28553 3589 30 rising rise VBG 28553 3589 31 up up RP 28553 3589 32 the the DT 28553 3589 33 chimney chimney NN 28553 3589 34 . . . 28553 3590 1 [ [ -LRB- 28553 3590 2 Illustration illustration NN 28553 3590 3 : : : 28553 3590 4 FIG FIG NNP 28553 3590 5 . . . 28553 3591 1 194.--Showing 194.--showing CD 28553 3591 2 how how WRB 28553 3591 3 a a DT 28553 3591 4 blower blower NN 28553 3591 5 - - HYPH 28553 3591 6 plate plate NN 28553 3591 7 draws draw VBZ 28553 3591 8 up up RP 28553 3591 9 the the DT 28553 3591 10 fire fire NN 28553 3591 11 . . . 28553 3591 12 ] ] -RRB- 28553 3592 1 GAS GAS NNP 28553 3592 2 AND and CC 28553 3592 3 GASWORKS GASWORKS NNP 28553 3592 4 . . . 28553 3593 1 A a DT 28553 3593 2 lamp lamp NN 28553 3593 3 is be VBZ 28553 3593 4 an an DT 28553 3593 5 apparatus apparatus NN 28553 3593 6 for for IN 28553 3593 7 converting convert VBG 28553 3593 8 hydro hydro NNP 28553 3593 9 - - HYPH 28553 3593 10 carbon carbon NN 28553 3593 11 mineral mineral NN 28553 3593 12 oil oil NN 28553 3593 13 into into IN 28553 3593 14 gas gas NN 28553 3593 15 and and CC 28553 3593 16 burning burn VBG 28553 3593 17 it -PRON- PRP 28553 3593 18 efficiently efficiently RB 28553 3593 19 . . . 28553 3594 1 The the DT 28553 3594 2 gas gas NN 28553 3594 3 - - HYPH 28553 3594 4 jet jet NN 28553 3594 5 burns burn NNS 28553 3594 6 gases gas NNS 28553 3594 7 produced produce VBN 28553 3594 8 by by IN 28553 3594 9 driving drive VBG 28553 3594 10 off off RP 28553 3594 11 hydro hydro NNP 28553 3594 12 - - HYPH 28553 3594 13 carbon carbon NN 28553 3594 14 vapours vapour NNS 28553 3594 15 from from IN 28553 3594 16 coal coal NN 28553 3594 17 in in IN 28553 3594 18 apparatus apparatus NNP 28553 3594 19 specially specially RB 28553 3594 20 designed design VBN 28553 3594 21 for for IN 28553 3594 22 the the DT 28553 3594 23 purpose purpose NN 28553 3594 24 . . . 28553 3595 1 Gas gas NN 28553 3595 2 - - HYPH 28553 3595 3 making making NN 28553 3595 4 is be VBZ 28553 3595 5 now now RB 28553 3595 6 , , , 28553 3595 7 in in IN 28553 3595 8 spite spite NN 28553 3595 9 of of IN 28553 3595 10 the the DT 28553 3595 11 competition competition NN 28553 3595 12 of of IN 28553 3595 13 electric electric JJ 28553 3595 14 lighting lighting NN 28553 3595 15 , , , 28553 3595 16 so so RB 28553 3595 17 important important JJ 28553 3595 18 an an DT 28553 3595 19 industry industry NN 28553 3595 20 that that IN 28553 3595 21 we -PRON- PRP 28553 3595 22 shall shall MD 28553 3595 23 do do VB 28553 3595 24 well well RB 28553 3595 25 to to TO 28553 3595 26 glance glance VB 28553 3595 27 at at IN 28553 3595 28 the the DT 28553 3595 29 processes process NNS 28553 3595 30 which which WDT 28553 3595 31 it -PRON- PRP 28553 3595 32 includes include VBZ 28553 3595 33 . . . 28553 3596 1 Coal coal NN 28553 3596 2 gas gas NN 28553 3596 3 may may MD 28553 3596 4 be be VB 28553 3596 5 produced produce VBN 28553 3596 6 on on IN 28553 3596 7 a a DT 28553 3596 8 very very RB 28553 3596 9 small small JJ 28553 3596 10 scale scale NN 28553 3596 11 as as IN 28553 3596 12 follows:--Fill follows:--Fill NNP 28553 3596 13 a a DT 28553 3596 14 tin tin NN 28553 3596 15 canister canister NN 28553 3596 16 ( ( -LRB- 28553 3596 17 the the DT 28553 3596 18 joints joint NNS 28553 3596 19 of of IN 28553 3596 20 which which WDT 28553 3596 21 have have VBP 28553 3596 22 been be VBN 28553 3596 23 made make VBN 28553 3596 24 by by IN 28553 3596 25 folding fold VBG 28553 3596 26 the the DT 28553 3596 27 metal metal NN 28553 3596 28 , , , 28553 3596 29 not not RB 28553 3596 30 by by IN 28553 3596 31 soldering solder VBG 28553 3596 32 ) ) -RRB- 28553 3596 33 with with IN 28553 3596 34 coal coal NN 28553 3596 35 , , , 28553 3596 36 clap clap VB 28553 3596 37 on on IN 28553 3596 38 the the DT 28553 3596 39 lid lid NN 28553 3596 40 , , , 28553 3596 41 and and CC 28553 3596 42 place place VB 28553 3596 43 it -PRON- PRP 28553 3596 44 , , , 28553 3596 45 lid lid JJ 28553 3596 46 downwards downwards RB 28553 3596 47 , , , 28553 3596 48 in in IN 28553 3596 49 a a DT 28553 3596 50 bright bright JJ 28553 3596 51 fire fire NN 28553 3596 52 , , , 28553 3596 53 after after IN 28553 3596 54 punching punch VBG 28553 3596 55 a a DT 28553 3596 56 hole hole NN 28553 3596 57 in in IN 28553 3596 58 the the DT 28553 3596 59 bottom bottom NN 28553 3596 60 . . . 28553 3597 1 Vapour Vapour NNP 28553 3597 2 soon soon RB 28553 3597 3 begins begin VBZ 28553 3597 4 to to TO 28553 3597 5 issue issue VB 28553 3597 6 from from IN 28553 3597 7 the the DT 28553 3597 8 hole hole NN 28553 3597 9 . . . 28553 3598 1 This this DT 28553 3598 2 is be VBZ 28553 3598 3 probably probably RB 28553 3598 4 at at IN 28553 3598 5 first first JJ 28553 3598 6 only only JJ 28553 3598 7 steam steam NN 28553 3598 8 , , , 28553 3598 9 due due IN 28553 3598 10 to to IN 28553 3598 11 the the DT 28553 3598 12 coal coal NN 28553 3598 13 being be VBG 28553 3598 14 more more RBR 28553 3598 15 or or CC 28553 3598 16 less less RBR 28553 3598 17 damp damp JJ 28553 3598 18 . . . 28553 3599 1 But but CC 28553 3599 2 if if IN 28553 3599 3 a a DT 28553 3599 4 lighted light VBN 28553 3599 5 match match NN 28553 3599 6 be be VB 28553 3599 7 presently presently RB 28553 3599 8 applied apply VBN 28553 3599 9 the the DT 28553 3599 10 vapour vapour NN 28553 3599 11 takes take VBZ 28553 3599 12 fire fire NN 28553 3599 13 , , , 28553 3599 14 showing show VBG 28553 3599 15 that that IN 28553 3599 16 coal coal NN 28553 3599 17 gas gas NN 28553 3599 18 proper proper JJ 28553 3599 19 is be VBZ 28553 3599 20 coming come VBG 28553 3599 21 off off RP 28553 3599 22 . . . 28553 3600 1 The the DT 28553 3600 2 flame flame NN 28553 3600 3 lasts last VBZ 28553 3600 4 for for IN 28553 3600 5 a a DT 28553 3600 6 long long JJ 28553 3600 7 time time NN 28553 3600 8 . . . 28553 3601 1 When when WRB 28553 3601 2 it -PRON- PRP 28553 3601 3 dies die VBZ 28553 3601 4 the the DT 28553 3601 5 canister canister NN 28553 3601 6 may may MD 28553 3601 7 be be VB 28553 3601 8 removed remove VBN 28553 3601 9 and and CC 28553 3601 10 the the DT 28553 3601 11 contents content NNS 28553 3601 12 examined examine VBD 28553 3601 13 . . . 28553 3602 1 Most Most JJS 28553 3602 2 of of IN 28553 3602 3 the the DT 28553 3602 4 carbon carbon NN 28553 3602 5 remains remain VBZ 28553 3602 6 in in IN 28553 3602 7 the the DT 28553 3602 8 form form NN 28553 3602 9 of of IN 28553 3602 10 _ _ NNP 28553 3602 11 coke coke NNP 28553 3602 12 _ _ NNP 28553 3602 13 . . . 28553 3603 1 It -PRON- PRP 28553 3603 2 is be VBZ 28553 3603 3 bulk bulk JJ 28553 3603 4 for for IN 28553 3603 5 bulk bulk NN 28553 3603 6 much much RB 28553 3603 7 lighter light JJR 28553 3603 8 than than IN 28553 3603 9 coal coal NN 28553 3603 10 , , , 28553 3603 11 for for IN 28553 3603 12 the the DT 28553 3603 13 hydrogen hydrogen NN 28553 3603 14 , , , 28553 3603 15 oxygen oxygen NN 28553 3603 16 , , , 28553 3603 17 and and CC 28553 3603 18 other other JJ 28553 3603 19 gases gas NNS 28553 3603 20 , , , 28553 3603 21 and and CC 28553 3603 22 some some DT 28553 3603 23 of of IN 28553 3603 24 the the DT 28553 3603 25 carbon carbon NN 28553 3603 26 have have VBP 28553 3603 27 been be VBN 28553 3603 28 driven drive VBN 28553 3603 29 off off RP 28553 3603 30 by by IN 28553 3603 31 the the DT 28553 3603 32 heat heat NN 28553 3603 33 . . . 28553 3604 1 The the DT 28553 3604 2 coke coke NN 28553 3604 3 itself -PRON- PRP 28553 3604 4 burns burn VBZ 28553 3604 5 if if IN 28553 3604 6 placed place VBN 28553 3604 7 in in IN 28553 3604 8 a a DT 28553 3604 9 fire fire NN 28553 3604 10 , , , 28553 3604 11 but but CC 28553 3604 12 without without IN 28553 3604 13 any any DT 28553 3604 14 smoke smoke NN 28553 3604 15 , , , 28553 3604 16 such such JJ 28553 3604 17 as as IN 28553 3604 18 issues issue NNS 28553 3604 19 from from IN 28553 3604 20 coal coal NN 28553 3604 21 . . . 28553 3605 1 [ [ -LRB- 28553 3605 2 Illustration illustration NN 28553 3605 3 : : : 28553 3605 4 FIG FIG NNP 28553 3605 5 . . . 28553 3606 1 195.--Sketch 195.--sketch CD 28553 3606 2 of of IN 28553 3606 3 the the DT 28553 3606 4 apparatus apparatus NN 28553 3606 5 used use VBN 28553 3606 6 in in IN 28553 3606 7 the the DT 28553 3606 8 manufacture manufacture NN 28553 3606 9 of of IN 28553 3606 10 coal coal NN 28553 3606 11 gas gas NN 28553 3606 12 . . . 28553 3606 13 ] ] -RRB- 28553 3607 1 Our -PRON- PRP$ 28553 3607 2 home home NN 28553 3607 3 - - HYPH 28553 3607 4 made make VBN 28553 3607 5 gas gas NN 28553 3607 6 yields yield NNS 28553 3607 7 a a DT 28553 3607 8 smoky smoky JJ 28553 3607 9 and and CC 28553 3607 10 unsatisfactory unsatisfactory JJ 28553 3607 11 flame flame NN 28553 3607 12 , , , 28553 3607 13 owing owe VBG 28553 3607 14 to to IN 28553 3607 15 the the DT 28553 3607 16 presence presence NN 28553 3607 17 of of IN 28553 3607 18 certain certain JJ 28553 3607 19 impurities impurity NNS 28553 3607 20 -- -- : 28553 3607 21 ammonia ammonia NNP 28553 3607 22 , , , 28553 3607 23 tar tar NNP 28553 3607 24 , , , 28553 3607 25 sulphuretted sulphuret VBD 28553 3607 26 hydrogen hydrogen NN 28553 3607 27 , , , 28553 3607 28 and and CC 28553 3607 29 carbon carbon NN 28553 3607 30 bisulphide bisulphide RB 28553 3607 31 . . . 28553 3608 1 A a DT 28553 3608 2 gas gas NN 28553 3608 3 factory factory NN 28553 3608 4 must must MD 28553 3608 5 be be VB 28553 3608 6 equipped equip VBN 28553 3608 7 with with IN 28553 3608 8 means mean NNS 28553 3608 9 of of IN 28553 3608 10 getting get VBG 28553 3608 11 rid rid VBN 28553 3608 12 of of IN 28553 3608 13 these these DT 28553 3608 14 objectionable objectionable JJ 28553 3608 15 constituents constituent NNS 28553 3608 16 . . . 28553 3609 1 Turning turn VBG 28553 3609 2 to to IN 28553 3609 3 Fig Fig NNP 28553 3609 4 . . . 28553 3610 1 195 195 CD 28553 3610 2 , , , 28553 3610 3 which which WDT 28553 3610 4 displays display VBZ 28553 3610 5 very very RB 28553 3610 6 diagrammatically diagrammatically RB 28553 3610 7 the the DT 28553 3610 8 main main JJ 28553 3610 9 features feature NNS 28553 3610 10 of of IN 28553 3610 11 a a DT 28553 3610 12 gas gas NN 28553 3610 13 plant plant NN 28553 3610 14 , , , 28553 3610 15 we -PRON- PRP 28553 3610 16 observe observe VBP 28553 3610 17 at at IN 28553 3610 18 the the DT 28553 3610 19 extreme extreme JJ 28553 3610 20 right right NN 28553 3610 21 the the DT 28553 3610 22 _ _ NNP 28553 3610 23 retorts retort NNS 28553 3610 24 _ _ NNP 28553 3610 25 , , , 28553 3610 26 which which WDT 28553 3610 27 correspond correspond VBP 28553 3610 28 to to IN 28553 3610 29 our -PRON- PRP$ 28553 3610 30 canister canister NN 28553 3610 31 . . . 28553 3611 1 These these DT 28553 3611 2 are be VBP 28553 3611 3 usually usually RB 28553 3611 4 long long JJ 28553 3611 5 fire fire NN 28553 3611 6 - - HYPH 28553 3611 7 brick brick NN 28553 3611 8 tubes tube NNS 28553 3611 9 of of IN 28553 3611 10 D d NN 28553 3611 11 - - HYPH 28553 3611 12 section section NN 28553 3611 13 , , , 28553 3611 14 the the DT 28553 3611 15 flat flat JJ 28553 3611 16 side side NN 28553 3611 17 at at IN 28553 3611 18 the the DT 28553 3611 19 bottom bottom NN 28553 3611 20 . . . 28553 3612 1 Under under IN 28553 3612 2 each each DT 28553 3612 3 is be VBZ 28553 3612 4 a a DT 28553 3612 5 furnace furnace NN 28553 3612 6 , , , 28553 3612 7 the the DT 28553 3612 8 flames flame NNS 28553 3612 9 of of IN 28553 3612 10 which which WDT 28553 3612 11 play play VBP 28553 3612 12 on on IN 28553 3612 13 the the DT 28553 3612 14 bottom bottom NN 28553 3612 15 , , , 28553 3612 16 sides side NNS 28553 3612 17 , , , 28553 3612 18 and and CC 28553 3612 19 inner inner JJ 28553 3612 20 end end NN 28553 3612 21 of of IN 28553 3612 22 the the DT 28553 3612 23 retort retort NN 28553 3612 24 . . . 28553 3613 1 The the DT 28553 3613 2 outer outer JJ 28553 3613 3 end end NN 28553 3613 4 projecting project VBG 28553 3613 5 beyond beyond IN 28553 3613 6 the the DT 28553 3613 7 brickwork brickwork NN 28553 3613 8 seating seating NN 28553 3613 9 has have VBZ 28553 3613 10 an an DT 28553 3613 11 iron iron NN 28553 3613 12 air air NN 28553 3613 13 - - HYPH 28553 3613 14 tight tight JJ 28553 3613 15 door door NN 28553 3613 16 for for IN 28553 3613 17 filling fill VBG 28553 3613 18 the the DT 28553 3613 19 retort retort NN 28553 3613 20 through through RB 28553 3613 21 , , , 28553 3613 22 immediately immediately RB 28553 3613 23 behind behind IN 28553 3613 24 which which WDT 28553 3613 25 rises rise VBZ 28553 3613 26 an an DT 28553 3613 27 iron iron NN 28553 3613 28 exit exit NN 28553 3613 29 pipe pipe NN 28553 3613 30 , , , 28553 3613 31 A a NN 28553 3613 32 , , , 28553 3613 33 for for IN 28553 3613 34 the the DT 28553 3613 35 gases gas NNS 28553 3613 36 . . . 28553 3614 1 Tar Tar NNP 28553 3614 2 , , , 28553 3614 3 which which WDT 28553 3614 4 vaporizes vaporize VBZ 28553 3614 5 at at IN 28553 3614 6 high high JJ 28553 3614 7 temperatures temperature NNS 28553 3614 8 , , , 28553 3614 9 but but CC 28553 3614 10 liquefies liquefy VBZ 28553 3614 11 at at IN 28553 3614 12 ordinary ordinary JJ 28553 3614 13 atmospheric atmospheric JJ 28553 3614 14 heat heat NN 28553 3614 15 , , , 28553 3614 16 must must MD 28553 3614 17 first first RB 28553 3614 18 be be VB 28553 3614 19 got get VBN 28553 3614 20 rid rid VBN 28553 3614 21 of of IN 28553 3614 22 . . . 28553 3615 1 This this DT 28553 3615 2 is be VBZ 28553 3615 3 effected effect VBN 28553 3615 4 by by IN 28553 3615 5 passing pass VBG 28553 3615 6 the the DT 28553 3615 7 gas gas NN 28553 3615 8 through through IN 28553 3615 9 the the DT 28553 3615 10 _ _ NNP 28553 3615 11 hydraulic hydraulic NNP 28553 3615 12 main main JJ 28553 3615 13 _ _ NNP 28553 3615 14 , , , 28553 3615 15 a a DT 28553 3615 16 tubular tubular JJ 28553 3615 17 vessel vessel NN 28553 3615 18 half half NN 28553 3615 19 full full JJ 28553 3615 20 of of IN 28553 3615 21 water water NN 28553 3615 22 running run VBG 28553 3615 23 the the DT 28553 3615 24 whole whole JJ 28553 3615 25 length length NN 28553 3615 26 of of IN 28553 3615 27 the the DT 28553 3615 28 retorts retort NNS 28553 3615 29 . . . 28553 3616 1 The the DT 28553 3616 2 end end NN 28553 3616 3 of of IN 28553 3616 4 pipe pipe NN 28553 3616 5 A a DT 28553 3616 6 dips dip NNS 28553 3616 7 below below IN 28553 3616 8 the the DT 28553 3616 9 surface surface NN 28553 3616 10 of of IN 28553 3616 11 the the DT 28553 3616 12 water water NN 28553 3616 13 , , , 28553 3616 14 which which WDT 28553 3616 15 condenses condense VBZ 28553 3616 16 most most JJS 28553 3616 17 of of IN 28553 3616 18 the the DT 28553 3616 19 tar tar NN 28553 3616 20 and and CC 28553 3616 21 steam steam NN 28553 3616 22 . . . 28553 3617 1 The the DT 28553 3617 2 partly partly RB 28553 3617 3 - - HYPH 28553 3617 4 purified purify VBN 28553 3617 5 gas gas NN 28553 3617 6 now now RB 28553 3617 7 passes pass VBZ 28553 3617 8 through through IN 28553 3617 9 pipe pipe NN 28553 3617 10 B b NN 28553 3617 11 to to IN 28553 3617 12 the the DT 28553 3617 13 _ _ NNP 28553 3617 14 condensers condenser NNS 28553 3617 15 _ _ NNP 28553 3617 16 , , , 28553 3617 17 a a DT 28553 3617 18 series series NN 28553 3617 19 of of IN 28553 3617 20 inverted invert VBN 28553 3617 21 U U NNP 28553 3617 22 - - HYPH 28553 3617 23 pipes pipe NNS 28553 3617 24 standing stand VBG 28553 3617 25 on on IN 28553 3617 26 an an DT 28553 3617 27 iron iron NN 28553 3617 28 chest chest NN 28553 3617 29 with with IN 28553 3617 30 vertical vertical JJ 28553 3617 31 cross cross NN 28553 3617 32 divisions division NNS 28553 3617 33 between between IN 28553 3617 34 the the DT 28553 3617 35 mouths mouth NNS 28553 3617 36 of of IN 28553 3617 37 each each DT 28553 3617 38 U. U. NNP 28553 3618 1 These these DT 28553 3618 2 divisions division NNS 28553 3618 3 dip dip VBP 28553 3618 4 into into IN 28553 3618 5 water water NN 28553 3618 6 , , , 28553 3618 7 so so IN 28553 3618 8 that that IN 28553 3618 9 the the DT 28553 3618 10 gas gas NN 28553 3618 11 has have VBZ 28553 3618 12 to to TO 28553 3618 13 pass pass VB 28553 3618 14 up up RP 28553 3618 15 one one CD 28553 3618 16 leg leg NN 28553 3618 17 of of IN 28553 3618 18 a a DT 28553 3618 19 U U NNP 28553 3618 20 , , , 28553 3618 21 down down IN 28553 3618 22 the the DT 28553 3618 23 other other JJ 28553 3618 24 , , , 28553 3618 25 up up IN 28553 3618 26 the the DT 28553 3618 27 first first JJ 28553 3618 28 leg leg NN 28553 3618 29 of of IN 28553 3618 30 the the DT 28553 3618 31 second second JJ 28553 3618 32 pipe pipe NN 28553 3618 33 , , , 28553 3618 34 and and CC 28553 3618 35 so so RB 28553 3618 36 on on RB 28553 3618 37 , , , 28553 3618 38 till till IN 28553 3618 39 all all DT 28553 3618 40 traces trace NNS 28553 3618 41 of of IN 28553 3618 42 the the DT 28553 3618 43 tar tar NN 28553 3618 44 and and CC 28553 3618 45 other other JJ 28553 3618 46 liquid liquid JJ 28553 3618 47 constituents constituent NNS 28553 3618 48 have have VBP 28553 3618 49 condensed condense VBN 28553 3618 50 on on IN 28553 3618 51 the the DT 28553 3618 52 inside inside NN 28553 3618 53 of of IN 28553 3618 54 the the DT 28553 3618 55 pipe pipe NN 28553 3618 56 , , , 28553 3618 57 from from IN 28553 3618 58 which which WDT 28553 3618 59 they -PRON- PRP 28553 3618 60 drop drop VBP 28553 3618 61 into into IN 28553 3618 62 the the DT 28553 3618 63 tank tank NN 28553 3618 64 below below RB 28553 3618 65 . . . 28553 3619 1 The the DT 28553 3619 2 next next JJ 28553 3619 3 stage stage NN 28553 3619 4 is be VBZ 28553 3619 5 the the DT 28553 3619 6 passage passage NN 28553 3619 7 of of IN 28553 3619 8 the the DT 28553 3619 9 _ _ NNP 28553 3619 10 scrubber scrubber NNP 28553 3619 11 _ _ NNP 28553 3619 12 , , , 28553 3619 13 filled fill VBN 28553 3619 14 with with IN 28553 3619 15 coke coke NN 28553 3619 16 over over IN 28553 3619 17 which which WDT 28553 3619 18 water water NN 28553 3619 19 perpetually perpetually RB 28553 3619 20 flows flow VBZ 28553 3619 21 . . . 28553 3620 1 The the DT 28553 3620 2 ammonia ammonia NN 28553 3620 3 gas gas NN 28553 3620 4 is be VBZ 28553 3620 5 here here RB 28553 3620 6 absorbed absorb VBN 28553 3620 7 . . . 28553 3621 1 There there EX 28553 3621 2 still still RB 28553 3621 3 remain remain VBP 28553 3621 4 the the DT 28553 3621 5 sulphuretted sulphuret VBN 28553 3621 6 hydrogen hydrogen NN 28553 3621 7 and and CC 28553 3621 8 the the DT 28553 3621 9 carbon carbon NN 28553 3621 10 bisulphide bisulphide RB 28553 3621 11 , , , 28553 3621 12 both both DT 28553 3621 13 of of IN 28553 3621 14 which which WDT 28553 3621 15 are be VBP 28553 3621 16 extremely extremely RB 28553 3621 17 offensive offensive JJ 28553 3621 18 to to IN 28553 3621 19 the the DT 28553 3621 20 nostrils nostril NNS 28553 3621 21 . . . 28553 3622 1 Slaked slake VBN 28553 3622 2 lime lime NN 28553 3622 3 , , , 28553 3622 4 laid lay VBN 28553 3622 5 on on IN 28553 3622 6 trays tray NNS 28553 3622 7 in in IN 28553 3622 8 an an DT 28553 3622 9 air air NN 28553 3622 10 - - HYPH 28553 3622 11 tight tight JJ 28553 3622 12 compartment compartment NN 28553 3622 13 called call VBN 28553 3622 14 the the DT 28553 3622 15 _ _ NNP 28553 3622 16 lime lime NN 28553 3622 17 purifier purifier NN 28553 3622 18 _ _ NNP 28553 3622 19 , , , 28553 3622 20 absorbs absorb VBZ 28553 3622 21 most most JJS 28553 3622 22 of of IN 28553 3622 23 the the DT 28553 3622 24 sulphurous sulphurous JJ 28553 3622 25 elements element NNS 28553 3622 26 of of IN 28553 3622 27 these these DT 28553 3622 28 ; ; : 28553 3622 29 and and CC 28553 3622 30 the the DT 28553 3622 31 coal coal NN 28553 3622 32 gas gas NN 28553 3622 33 is be VBZ 28553 3622 34 then then RB 28553 3622 35 fit fit JJ 28553 3622 36 for for IN 28553 3622 37 use use NN 28553 3622 38 . . . 28553 3623 1 On on IN 28553 3623 2 leaving leave VBG 28553 3623 3 the the DT 28553 3623 4 purifiers purifier NNS 28553 3623 5 it -PRON- PRP 28553 3623 6 flows flow VBZ 28553 3623 7 into into IN 28553 3623 8 the the DT 28553 3623 9 _ _ NNP 28553 3623 10 gasometer gasometer NN 28553 3623 11 _ _ NNP 28553 3623 12 , , , 28553 3623 13 or or CC 28553 3623 14 gasholder gasholder NN 28553 3623 15 , , , 28553 3623 16 the the DT 28553 3623 17 huge huge JJ 28553 3623 18 cake cake NN 28553 3623 19 - - HYPH 28553 3623 20 like like JJ 28553 3623 21 form form NN 28553 3623 22 of of IN 28553 3623 23 which which WDT 28553 3623 24 is be VBZ 28553 3623 25 a a DT 28553 3623 26 very very RB 28553 3623 27 familiar familiar JJ 28553 3623 28 object object NN 28553 3623 29 in in IN 28553 3623 30 the the DT 28553 3623 31 environs environ NNS 28553 3623 32 of of IN 28553 3623 33 towns town NNS 28553 3623 34 . . . 28553 3624 1 The the DT 28553 3624 2 gasometer gasometer NN 28553 3624 3 is be VBZ 28553 3624 4 a a DT 28553 3624 5 cylindrical cylindrical JJ 28553 3624 6 box box NN 28553 3624 7 with with IN 28553 3624 8 a a DT 28553 3624 9 domed dome VBN 28553 3624 10 top top NN 28553 3624 11 , , , 28553 3624 12 but but CC 28553 3624 13 no no DT 28553 3624 14 bottom bottom NN 28553 3624 15 , , , 28553 3624 16 built build VBN 28553 3624 17 of of IN 28553 3624 18 riveted rivet VBN 28553 3624 19 steel steel NN 28553 3624 20 plates plate NNS 28553 3624 21 . . . 28553 3625 1 It -PRON- PRP 28553 3625 2 stands stand VBZ 28553 3625 3 in in IN 28553 3625 4 a a DT 28553 3625 5 circular circular JJ 28553 3625 6 tank tank NN 28553 3625 7 of of IN 28553 3625 8 water water NN 28553 3625 9 , , , 28553 3625 10 so so IN 28553 3625 11 that that IN 28553 3625 12 it -PRON- PRP 28553 3625 13 may may MD 28553 3625 14 rise rise VB 28553 3625 15 and and CC 28553 3625 16 fall fall VB 28553 3625 17 without without IN 28553 3625 18 any any DT 28553 3625 19 escape escape NN 28553 3625 20 of of IN 28553 3625 21 gas gas NN 28553 3625 22 . . . 28553 3626 1 The the DT 28553 3626 2 levity levity NN 28553 3626 3 of of IN 28553 3626 4 the the DT 28553 3626 5 gas gas NN 28553 3626 6 , , , 28553 3626 7 in in IN 28553 3626 8 conjunction conjunction NN 28553 3626 9 with with IN 28553 3626 10 weights weight NNS 28553 3626 11 attached attach VBN 28553 3626 12 to to IN 28553 3626 13 the the DT 28553 3626 14 ends end NNS 28553 3626 15 of of IN 28553 3626 16 chains chain NNS 28553 3626 17 working work VBG 28553 3626 18 over over IN 28553 3626 19 pulleys pulley NNS 28553 3626 20 on on IN 28553 3626 21 the the DT 28553 3626 22 framework framework NN 28553 3626 23 surrounding surround VBG 28553 3626 24 the the DT 28553 3626 25 holder holder NN 28553 3626 26 , , , 28553 3626 27 suffices suffice VBZ 28553 3626 28 to to TO 28553 3626 29 raise raise VB 28553 3626 30 the the DT 28553 3626 31 holder holder NN 28553 3626 32 . . . 28553 3627 1 [ [ -LRB- 28553 3627 2 Illustration illustration NN 28553 3627 3 : : : 28553 3627 4 FIG FIG NNP 28553 3627 5 . . . 28553 3628 1 196.--The 196.--the LS 28553 3628 2 largest large JJS 28553 3628 3 gasholder gasholder NN 28553 3628 4 in in IN 28553 3628 5 the the DT 28553 3628 6 world world NN 28553 3628 7 : : : 28553 3628 8 South South NNP 28553 3628 9 Metropolitan Metropolitan NNP 28553 3628 10 Gas Gas NNP 28553 3628 11 Co. Co. NNP 28553 3628 12 , , , 28553 3628 13 Greenwich Greenwich NNP 28553 3628 14 Gas Gas NNP 28553 3628 15 Works work VBZ 28553 3628 16 . . . 28553 3629 1 Capacity capacity NN 28553 3629 2 , , , 28553 3629 3 12,158,600 12,158,600 CD 28553 3629 4 cubic cubic JJ 28553 3629 5 feet foot NNS 28553 3629 6 . . . 28553 3629 7 ] ] -RRB- 28553 3630 1 Some some DT 28553 3630 2 gasometers gasometer NNS 28553 3630 3 have have VBP 28553 3630 4 an an DT 28553 3630 5 enormous enormous JJ 28553 3630 6 capacity capacity NN 28553 3630 7 . . . 28553 3631 1 The the DT 28553 3631 2 record record NN 28553 3631 3 is be VBZ 28553 3631 4 at at IN 28553 3631 5 present present NN 28553 3631 6 held hold VBN 28553 3631 7 by by IN 28553 3631 8 that that DT 28553 3631 9 built build VBN 28553 3631 10 for for IN 28553 3631 11 the the DT 28553 3631 12 South South NNP 28553 3631 13 Metropolitan Metropolitan NNP 28553 3631 14 Gas Gas NNP 28553 3631 15 Co. Co. NNP 28553 3631 16 , , , 28553 3631 17 London London NNP 28553 3631 18 , , , 28553 3631 19 by by IN 28553 3631 20 Messrs. Messrs. NNP 28553 3631 21 Clayton Clayton NNP 28553 3631 22 & & CC 28553 3631 23 Son Son NNP 28553 3631 24 of of IN 28553 3631 25 Leeds Leeds NNP 28553 3631 26 . . . 28553 3632 1 This this DT 28553 3632 2 monster monster NN 28553 3632 3 ( ( -LRB- 28553 3632 4 of of IN 28553 3632 5 which which WDT 28553 3632 6 we -PRON- PRP 28553 3632 7 append append VBP 28553 3632 8 an an DT 28553 3632 9 illustration illustration NN 28553 3632 10 , , , 28553 3632 11 Fig Fig NNP 28553 3632 12 . . . 28553 3633 1 196 196 CD 28553 3633 2 ) ) -RRB- 28553 3633 3 is be VBZ 28553 3633 4 300 300 CD 28553 3633 5 feet foot NNS 28553 3633 6 in in IN 28553 3633 7 diameter diameter NN 28553 3633 8 and and CC 28553 3633 9 180 180 CD 28553 3633 10 feet foot NNS 28553 3633 11 high high JJ 28553 3633 12 . . . 28553 3634 1 When when WRB 28553 3634 2 fully fully RB 28553 3634 3 extended extend VBD 28553 3634 4 it -PRON- PRP 28553 3634 5 holds hold VBZ 28553 3634 6 12,158,600 12,158,600 CD 28553 3634 7 cubic cubic JJ 28553 3634 8 feet foot NNS 28553 3634 9 of of IN 28553 3634 10 gas gas NN 28553 3634 11 . . . 28553 3635 1 Owing owe VBG 28553 3635 2 to to IN 28553 3635 3 its -PRON- PRP$ 28553 3635 4 immense immense JJ 28553 3635 5 size size NN 28553 3635 6 , , , 28553 3635 7 it -PRON- PRP 28553 3635 8 is be VBZ 28553 3635 9 built build VBN 28553 3635 10 on on IN 28553 3635 11 the the DT 28553 3635 12 telescopic telescopic JJ 28553 3635 13 principle principle NN 28553 3635 14 in in IN 28553 3635 15 six six CD 28553 3635 16 " " `` 28553 3635 17 lifts lift NNS 28553 3635 18 , , , 28553 3635 19 " " '' 28553 3635 20 of of IN 28553 3635 21 30 30 CD 28553 3635 22 feet foot NNS 28553 3635 23 deep deep JJ 28553 3635 24 each each DT 28553 3635 25 . . . 28553 3636 1 The the DT 28553 3636 2 sides side NNS 28553 3636 3 of of IN 28553 3636 4 each each DT 28553 3636 5 lift lift NN 28553 3636 6 , , , 28553 3636 7 or or CC 28553 3636 8 ring ring NN 28553 3636 9 , , , 28553 3636 10 except except IN 28553 3636 11 the the DT 28553 3636 12 topmost topmost JJS 28553 3636 13 , , , 28553 3636 14 have have VBP 28553 3636 15 a a DT 28553 3636 16 section section NN 28553 3636 17 shaped shape VBN 28553 3636 18 somewhat somewhat RB 28553 3636 19 like like IN 28553 3636 20 the the DT 28553 3636 21 letter letter NN 28553 3636 22 N. N. NNP 28553 3636 23 Two two CD 28553 3636 24 of of IN 28553 3636 25 the the DT 28553 3636 26 members member NNS 28553 3636 27 form form VBP 28553 3636 28 a a DT 28553 3636 29 deep deep JJ 28553 3636 30 , , , 28553 3636 31 narrow narrow JJ 28553 3636 32 cup cup NN 28553 3636 33 to to TO 28553 3636 34 hold hold VB 28553 3636 35 water water NN 28553 3636 36 , , , 28553 3636 37 in in IN 28553 3636 38 which which WDT 28553 3636 39 the the DT 28553 3636 40 " " `` 28553 3636 41 dip dip NN 28553 3636 42 " " '' 28553 3636 43 member member NN 28553 3636 44 of of IN 28553 3636 45 the the DT 28553 3636 46 ring ring NN 28553 3636 47 above above IN 28553 3636 48 it -PRON- PRP 28553 3636 49 rises rise VBZ 28553 3636 50 and and CC 28553 3636 51 falls fall VBZ 28553 3636 52 . . . 28553 3637 1 [ [ -LRB- 28553 3637 2 Illustration illustration NN 28553 3637 3 : : : 28553 3637 4 FIG FIG NNP 28553 3637 5 . . . 28553 3638 1 197.--Drawing 197.--drawing CD 28553 3638 2 retorts retort NNS 28553 3638 3 . . . 28553 3639 1 ( ( -LRB- 28553 3639 2 _ _ NNP 28553 3639 3 Photo Photo NNP 28553 3639 4 by by IN 28553 3639 5 F. F. NNP 28553 3639 6 Marsh Marsh NNP 28553 3639 7 . . . 28553 3639 8 _ _ NNP 28553 3639 9 ) ) -RRB- 28553 3639 10 ] ] -RRB- 28553 3639 11 AUTOMATIC automatic NN 28553 3639 12 STOKING stoking NN 28553 3639 13 . . . 28553 3640 1 The the DT 28553 3640 2 labour labour NN 28553 3640 3 of of IN 28553 3640 4 feeding feed VBG 28553 3640 5 the the DT 28553 3640 6 retorts retort NNS 28553 3640 7 with with IN 28553 3640 8 coal coal NN 28553 3640 9 and and CC 28553 3640 10 removing remove VBG 28553 3640 11 the the DT 28553 3640 12 coke coke NN 28553 3640 13 is be VBZ 28553 3640 14 exceedingly exceedingly RB 28553 3640 15 severe severe JJ 28553 3640 16 . . . 28553 3641 1 In in IN 28553 3641 2 the the DT 28553 3641 3 illustration illustration NN 28553 3641 4 on on IN 28553 3641 5 p. p. NN 28553 3641 6 400 400 CD 28553 3641 7 ( ( -LRB- 28553 3641 8 made make VBN 28553 3641 9 from from IN 28553 3641 10 a a DT 28553 3641 11 very very RB 28553 3641 12 fine fine JJ 28553 3641 13 photograph photograph NN 28553 3641 14 taken take VBN 28553 3641 15 by by IN 28553 3641 16 Mr. Mr. NNP 28553 3641 17 F. F. NNP 28553 3641 18 Marsh Marsh NNP 28553 3641 19 of of IN 28553 3641 20 Clifton Clifton NNP 28553 3641 21 ) ) -RRB- 28553 3641 22 we -PRON- PRP 28553 3641 23 see see VBP 28553 3641 24 a a DT 28553 3641 25 man man NN 28553 3641 26 engaged engage VBN 28553 3641 27 in in IN 28553 3641 28 " " `` 28553 3641 29 drawing draw VBG 28553 3641 30 " " '' 28553 3641 31 the the DT 28553 3641 32 retorts retort NNS 28553 3641 33 through through IN 28553 3641 34 the the DT 28553 3641 35 iron iron NN 28553 3641 36 doors door NNS 28553 3641 37 at at IN 28553 3641 38 their -PRON- PRP$ 28553 3641 39 outer outer JJ 28553 3641 40 ends end NNS 28553 3641 41 . . . 28553 3642 1 Automatic automatic JJ 28553 3642 2 machinery machinery NN 28553 3642 3 is be VBZ 28553 3642 4 now now RB 28553 3642 5 used use VBN 28553 3642 6 in in IN 28553 3642 7 large large JJ 28553 3642 8 gasworks gaswork NNS 28553 3642 9 for for IN 28553 3642 10 both both DT 28553 3642 11 operations operation NNS 28553 3642 12 . . . 28553 3643 1 One one CD 28553 3643 2 of of IN 28553 3643 3 the the DT 28553 3643 4 most most RBS 28553 3643 5 ingenious ingenious JJ 28553 3643 6 stokers stoker NNS 28553 3643 7 is be VBZ 28553 3643 8 the the DT 28553 3643 9 De De NNP 28553 3643 10 Brouwer Brouwer NNP 28553 3643 11 , , , 28553 3643 12 shown show VBN 28553 3643 13 at at IN 28553 3643 14 work work NN 28553 3643 15 in in IN 28553 3643 16 Fig Fig NNP 28553 3643 17 . . . 28553 3644 1 198 198 CD 28553 3644 2 . . . 28553 3645 1 The the DT 28553 3645 2 machine machine NN 28553 3645 3 is be VBZ 28553 3645 4 suspended suspend VBN 28553 3645 5 from from IN 28553 3645 6 an an DT 28553 3645 7 overhead overhead JJ 28553 3645 8 trolley trolley NN 28553 3645 9 running run VBG 28553 3645 10 on on IN 28553 3645 11 rails rail NNS 28553 3645 12 along along IN 28553 3645 13 the the DT 28553 3645 14 face face NN 28553 3645 15 of of IN 28553 3645 16 the the DT 28553 3645 17 retorts retort NNS 28553 3645 18 . . . 28553 3646 1 Coal coal NN 28553 3646 2 falls fall VBZ 28553 3646 3 into into IN 28553 3646 4 a a DT 28553 3646 5 funnel funnel NN 28553 3646 6 at at IN 28553 3646 7 the the DT 28553 3646 8 top top NN 28553 3646 9 of of IN 28553 3646 10 the the DT 28553 3646 11 telescopic telescopic NN 28553 3646 12 pipe pipe NN 28553 3646 13 P P NNP 28553 3646 14 from from IN 28553 3646 15 hoppers hopper NNS 28553 3646 16 in in IN 28553 3646 17 the the DT 28553 3646 18 story story NN 28553 3646 19 above above RB 28553 3646 20 , , , 28553 3646 21 which which WDT 28553 3646 22 have have VBP 28553 3646 23 openings opening NNS 28553 3646 24 , , , 28553 3646 25 H h NN 28553 3646 26 H h NN 28553 3646 27 , , , 28553 3646 28 controlled control VBN 28553 3646 29 by by IN 28553 3646 30 shutters shutter NNS 28553 3646 31 . . . 28553 3647 1 The the DT 28553 3647 2 coal coal NN 28553 3647 3 as as IN 28553 3647 4 it -PRON- PRP 28553 3647 5 falls fall VBZ 28553 3647 6 is be VBZ 28553 3647 7 caught catch VBN 28553 3647 8 by by IN 28553 3647 9 a a DT 28553 3647 10 rubber rubber NN 28553 3647 11 belt belt NN 28553 3647 12 working work VBG 28553 3647 13 round round JJ 28553 3647 14 part part NN 28553 3647 15 of of IN 28553 3647 16 the the DT 28553 3647 17 circumference circumference NN 28553 3647 18 of of IN 28553 3647 19 the the DT 28553 3647 20 large large JJ 28553 3647 21 wheel wheel NN 28553 3647 22 W W NNP 28553 3647 23 and and CC 28553 3647 24 a a DT 28553 3647 25 number number NN 28553 3647 26 of of IN 28553 3647 27 pulleys pulley NNS 28553 3647 28 , , , 28553 3647 29 and and CC 28553 3647 30 is be VBZ 28553 3647 31 shot shoot VBN 28553 3647 32 into into IN 28553 3647 33 the the DT 28553 3647 34 mouth mouth NN 28553 3647 35 of of IN 28553 3647 36 the the DT 28553 3647 37 retort retort NN 28553 3647 38 . . . 28553 3648 1 The the DT 28553 3648 2 operator operator NN 28553 3648 3 is be VBZ 28553 3648 4 seen see VBN 28553 3648 5 pulling pull VBG 28553 3648 6 the the DT 28553 3648 7 handle handle NN 28553 3648 8 which which WDT 28553 3648 9 opens open VBZ 28553 3648 10 the the DT 28553 3648 11 shutter shutter NN 28553 3648 12 of of IN 28553 3648 13 the the DT 28553 3648 14 hopper hopper NN 28553 3648 15 above above IN 28553 3648 16 the the DT 28553 3648 17 feed feed NN 28553 3648 18 - - HYPH 28553 3648 19 tube tube NN 28553 3648 20 , , , 28553 3648 21 and and CC 28553 3648 22 switching switch VBG 28553 3648 23 on on IN 28553 3648 24 the the DT 28553 3648 25 4 4 CD 28553 3648 26 h.p h.p NNP 28553 3648 27 . . . 28553 3649 1 electric electric JJ 28553 3649 2 motor motor NN 28553 3649 3 which which WDT 28553 3649 4 drives drive VBZ 28553 3649 5 the the DT 28553 3649 6 belt belt NN 28553 3649 7 and and CC 28553 3649 8 moves move VBZ 28553 3649 9 the the DT 28553 3649 10 machine machine NN 28553 3649 11 about about IN 28553 3649 12 . . . 28553 3650 1 One one CD 28553 3650 2 of of IN 28553 3650 3 these these DT 28553 3650 4 feeders feeder NNS 28553 3650 5 will will MD 28553 3650 6 charge charge VB 28553 3650 7 a a DT 28553 3650 8 retort retort NN 28553 3650 9 20 20 CD 28553 3650 10 feet foot NNS 28553 3650 11 long long JJ 28553 3650 12 in in IN 28553 3650 13 twenty twenty CD 28553 3650 14 - - HYPH 28553 3650 15 two two CD 28553 3650 16 seconds second NNS 28553 3650 17 . . . 28553 3651 1 [ [ -LRB- 28553 3651 2 Illustration illustration NN 28553 3651 3 : : : 28553 3651 4 FIG FIG NNP 28553 3651 5 . . . 28553 3652 1 198.--De 198.--de CD 28553 3652 2 Brouwer Brouwer NNP 28553 3652 3 automatic automatic JJ 28553 3652 4 retort retort NN 28553 3652 5 charger charger NN 28553 3652 6 . . . 28553 3652 7 ] ] -RRB- 28553 3653 1 A a DT 28553 3653 2 GAS gas NN 28553 3653 3 GOVERNOR governor NN 28553 3653 4 . . . 28553 3654 1 Some some DT 28553 3654 2 readers reader NNS 28553 3654 3 may may MD 28553 3654 4 have have VB 28553 3654 5 noticed notice VBN 28553 3654 6 that that RB 28553 3654 7 late late RB 28553 3654 8 at at IN 28553 3654 9 night night NN 28553 3654 10 a a DT 28553 3654 11 gas gas NN 28553 3654 12 - - HYPH 28553 3654 13 jet jet NN 28553 3654 14 , , , 28553 3654 15 which which WDT 28553 3654 16 a a DT 28553 3654 17 few few JJ 28553 3654 18 hours hour NNS 28553 3654 19 before before IN 28553 3654 20 burned burn VBN 28553 3654 21 with with IN 28553 3654 22 a a DT 28553 3654 23 somewhat somewhat RB 28553 3654 24 feeble feeble JJ 28553 3654 25 flame flame NN 28553 3654 26 when when WRB 28553 3654 27 the the DT 28553 3654 28 tap tap NN 28553 3654 29 was be VBD 28553 3654 30 turned turn VBN 28553 3654 31 fully fully RB 28553 3654 32 on on RB 28553 3654 33 , , , 28553 3654 34 now now RB 28553 3654 35 becomes become VBZ 28553 3654 36 more more JJR 28553 3654 37 and and CC 28553 3654 38 more more RBR 28553 3654 39 vigorous vigorous JJ 28553 3654 40 , , , 28553 3654 41 and and CC 28553 3654 42 finally finally RB 28553 3654 43 may may MD 28553 3654 44 flare flare VB 28553 3654 45 up up RP 28553 3654 46 with with IN 28553 3654 47 a a DT 28553 3654 48 hissing hissing JJ 28553 3654 49 sound sound NN 28553 3654 50 . . . 28553 3655 1 This this DT 28553 3655 2 is be VBZ 28553 3655 3 because because IN 28553 3655 4 many many JJ 28553 3655 5 of of IN 28553 3655 6 the the DT 28553 3655 7 burners burner NNS 28553 3655 8 fed feed VBN 28553 3655 9 by by IN 28553 3655 10 the the DT 28553 3655 11 main main JJ 28553 3655 12 supplying supply VBG 28553 3655 13 the the DT 28553 3655 14 house house NN 28553 3655 15 have have VBP 28553 3655 16 been be VBN 28553 3655 17 turned turn VBN 28553 3655 18 off off RP 28553 3655 19 , , , 28553 3655 20 and and CC 28553 3655 21 consequently consequently RB 28553 3655 22 there there EX 28553 3655 23 is be VBZ 28553 3655 24 a a DT 28553 3655 25 greater great JJR 28553 3655 26 amount amount NN 28553 3655 27 of of IN 28553 3655 28 gas gas NN 28553 3655 29 available available JJ 28553 3655 30 for for IN 28553 3655 31 the the DT 28553 3655 32 jets jet NNS 28553 3655 33 still still RB 28553 3655 34 burning burn VBG 28553 3655 35 , , , 28553 3655 36 which which WDT 28553 3655 37 therefore therefore RB 28553 3655 38 feel feel VBP 28553 3655 39 an an DT 28553 3655 40 increased increase VBN 28553 3655 41 pressure pressure NN 28553 3655 42 . . . 28553 3656 1 As as IN 28553 3656 2 a a DT 28553 3656 3 matter matter NN 28553 3656 4 of of IN 28553 3656 5 fact fact NN 28553 3656 6 , , , 28553 3656 7 the the DT 28553 3656 8 pressure pressure NN 28553 3656 9 of of IN 28553 3656 10 gas gas NN 28553 3656 11 in in IN 28553 3656 12 the the DT 28553 3656 13 main main JJ 28553 3656 14 is be VBZ 28553 3656 15 constantly constantly RB 28553 3656 16 varying vary VBG 28553 3656 17 , , , 28553 3656 18 owing owe VBG 28553 3656 19 partly partly RB 28553 3656 20 to to IN 28553 3656 21 the the DT 28553 3656 22 irregularity irregularity NN 28553 3656 23 of of IN 28553 3656 24 the the DT 28553 3656 25 delivery delivery NN 28553 3656 26 from from IN 28553 3656 27 the the DT 28553 3656 28 gasometer gasometer NN 28553 3656 29 , , , 28553 3656 30 and and CC 28553 3656 31 partly partly RB 28553 3656 32 to to IN 28553 3656 33 the the DT 28553 3656 34 fact fact NN 28553 3656 35 that that IN 28553 3656 36 the the DT 28553 3656 37 number number NN 28553 3656 38 of of IN 28553 3656 39 burners burner NNS 28553 3656 40 in in IN 28553 3656 41 action action NN 28553 3656 42 is be VBZ 28553 3656 43 not not RB 28553 3656 44 the the DT 28553 3656 45 same same JJ 28553 3656 46 for for IN 28553 3656 47 many many JJ 28553 3656 48 minutes minute NNS 28553 3656 49 together together RB 28553 3656 50 . . . 28553 3657 1 It -PRON- PRP 28553 3657 2 must must MD 28553 3657 3 also also RB 28553 3657 4 be be VB 28553 3657 5 remembered remember VBN 28553 3657 6 that that IN 28553 3657 7 houses house NNS 28553 3657 8 near near IN 28553 3657 9 the the DT 28553 3657 10 gasometer gasometer NN 28553 3657 11 end end NN 28553 3657 12 of of IN 28553 3657 13 the the DT 28553 3657 14 main main JJ 28553 3657 15 will will MD 28553 3657 16 receive receive VB 28553 3657 17 their -PRON- PRP$ 28553 3657 18 gas gas NN 28553 3657 19 at at IN 28553 3657 20 a a DT 28553 3657 21 higher high JJR 28553 3657 22 pressure pressure NN 28553 3657 23 than than IN 28553 3657 24 those those DT 28553 3657 25 at at IN 28553 3657 26 the the DT 28553 3657 27 other other JJ 28553 3657 28 end end NN 28553 3657 29 . . . 28553 3658 1 The the DT 28553 3658 2 gas gas NN 28553 3658 3 stored store VBN 28553 3658 4 in in IN 28553 3658 5 the the DT 28553 3658 6 holders holder NNS 28553 3658 7 may may MD 28553 3658 8 be be VB 28553 3658 9 wanted want VBN 28553 3658 10 for for IN 28553 3658 11 use use NN 28553 3658 12 in in IN 28553 3658 13 the the DT 28553 3658 14 street street NN 28553 3658 15 lamps lamp VBZ 28553 3658 16 a a DT 28553 3658 17 few few JJ 28553 3658 18 yards yard NNS 28553 3658 19 away away RB 28553 3658 20 , , , 28553 3658 21 or or CC 28553 3658 22 for for IN 28553 3658 23 other other JJ 28553 3658 24 lamps lamp NNS 28553 3658 25 several several JJ 28553 3658 26 miles mile NNS 28553 3658 27 distant distant JJ 28553 3658 28 . . . 28553 3659 1 It -PRON- PRP 28553 3659 2 is be VBZ 28553 3659 3 therefore therefore RB 28553 3659 4 evident evident JJ 28553 3659 5 that that IN 28553 3659 6 if if IN 28553 3659 7 there there EX 28553 3659 8 be be VB 28553 3659 9 just just RB 28553 3659 10 enough enough JJ 28553 3659 11 pressure pressure NN 28553 3659 12 to to TO 28553 3659 13 give give VB 28553 3659 14 a a DT 28553 3659 15 good good JJ 28553 3659 16 supply supply NN 28553 3659 17 to to IN 28553 3659 18 the the DT 28553 3659 19 nearest near JJS 28553 3659 20 lamp lamp NN 28553 3659 21 , , , 28553 3659 22 there there EX 28553 3659 23 will will MD 28553 3659 24 be be VB 28553 3659 25 too too RB 28553 3659 26 little little JJ 28553 3659 27 a a DT 28553 3659 28 short short JJ 28553 3659 29 distance distance NN 28553 3659 30 beyond beyond IN 28553 3659 31 it -PRON- PRP 28553 3659 32 , , , 28553 3659 33 and and CC 28553 3659 34 none none NN 28553 3659 35 at at RB 28553 3659 36 all all RB 28553 3659 37 at at IN 28553 3659 38 the the DT 28553 3659 39 extreme extreme JJ 28553 3659 40 point point NN 28553 3659 41 ; ; : 28553 3659 42 so so CC 28553 3659 43 that that IN 28553 3659 44 it -PRON- PRP 28553 3659 45 is be VBZ 28553 3659 46 necessary necessary JJ 28553 3659 47 to to TO 28553 3659 48 put put VB 28553 3659 49 on on RP 28553 3659 50 enough enough JJ 28553 3659 51 pressure pressure NN 28553 3659 52 to to TO 28553 3659 53 overcome overcome VB 28553 3659 54 the the DT 28553 3659 55 friction friction NN 28553 3659 56 on on IN 28553 3659 57 all all PDT 28553 3659 58 these these DT 28553 3659 59 miles mile NNS 28553 3659 60 of of IN 28553 3659 61 pipe pipe NN 28553 3659 62 , , , 28553 3659 63 and and CC 28553 3659 64 give give VBP 28553 3659 65 just just RB 28553 3659 66 enough enough JJ 28553 3659 67 gas gas NN 28553 3659 68 at at IN 28553 3659 69 the the DT 28553 3659 70 extreme extreme JJ 28553 3659 71 end end NN 28553 3659 72 . . . 28553 3660 1 It -PRON- PRP 28553 3660 2 follows follow VBZ 28553 3660 3 that that IN 28553 3660 4 at at RB 28553 3660 5 all all RB 28553 3660 6 intermediate intermediate JJ 28553 3660 7 points point NNS 28553 3660 8 the the DT 28553 3660 9 pressure pressure NN 28553 3660 10 is be VBZ 28553 3660 11 excessive excessive JJ 28553 3660 12 . . . 28553 3661 1 Gas gas NN 28553 3661 2 of of IN 28553 3661 3 the the DT 28553 3661 4 average average JJ 28553 3661 5 quality quality NN 28553 3661 6 is be VBZ 28553 3661 7 burned burn VBN 28553 3661 8 to to IN 28553 3661 9 the the DT 28553 3661 10 greatest great JJS 28553 3661 11 advantage advantage NN 28553 3661 12 , , , 28553 3661 13 as as IN 28553 3661 14 regards regard VBZ 28553 3661 15 its -PRON- PRP$ 28553 3661 16 light light NN 28553 3661 17 - - HYPH 28553 3661 18 giving give VBG 28553 3661 19 properties property NNS 28553 3661 20 , , , 28553 3661 21 when when WRB 28553 3661 22 its -PRON- PRP$ 28553 3661 23 pressure pressure NN 28553 3661 24 is be VBZ 28553 3661 25 equal equal JJ 28553 3661 26 to to IN 28553 3661 27 that that DT 28553 3661 28 of of IN 28553 3661 29 a a DT 28553 3661 30 column column NN 28553 3661 31 of of IN 28553 3661 32 water water NN 28553 3661 33 half half PDT 28553 3661 34 an an DT 28553 3661 35 inch inch NN 28553 3661 36 high high JJ 28553 3661 37 , , , 28553 3661 38 or or CC 28553 3661 39 about about RB 28553 3661 40 1/50 1/50 CD 28553 3661 41 lb lb XX 28553 3661 42 . . . 28553 3662 1 to to IN 28553 3662 2 the the DT 28553 3662 3 square square JJ 28553 3662 4 inch inch NN 28553 3662 5 . . . 28553 3663 1 With with IN 28553 3663 2 less less JJR 28553 3663 3 it -PRON- PRP 28553 3663 4 gives give VBZ 28553 3663 5 a a DT 28553 3663 6 smoky smoky JJ 28553 3663 7 , , , 28553 3663 8 flickering flickering JJ 28553 3663 9 light light NN 28553 3663 10 , , , 28553 3663 11 and and CC 28553 3663 12 with with IN 28553 3663 13 more more JJR 28553 3663 14 the the DT 28553 3663 15 combustion combustion NN 28553 3663 16 is be VBZ 28553 3663 17 also also RB 28553 3663 18 imperfect imperfect JJ 28553 3663 19 . . . 28553 3664 1 [ [ -LRB- 28553 3664 2 Illustration illustration NN 28553 3664 3 : : : 28553 3664 4 FIG FIG NNP 28553 3664 5 . . . 28553 3665 1 199 199 CD 28553 3665 2 . . . 28553 3665 3 ] ] -RRB- 28553 3666 1 Every every DT 28553 3666 2 house house NN 28553 3666 3 supply supply NN 28553 3666 4 should should MD 28553 3666 5 therefore therefore RB 28553 3666 6 be be VB 28553 3666 7 fitted fit VBN 28553 3666 8 with with IN 28553 3666 9 a a DT 28553 3666 10 gas gas NN 28553 3666 11 governor governor NN 28553 3666 12 , , , 28553 3666 13 to to TO 28553 3666 14 keep keep VB 28553 3666 15 the the DT 28553 3666 16 pressure pressure NN 28553 3666 17 constant constant JJ 28553 3666 18 . . . 28553 3667 1 A a DT 28553 3667 2 governor governor NN 28553 3667 3 frequently frequently RB 28553 3667 4 used use VBD 28553 3667 5 , , , 28553 3667 6 the the DT 28553 3667 7 Stott Stott NNP 28553 3667 8 , , , 28553 3667 9 is be VBZ 28553 3667 10 shown show VBN 28553 3667 11 in in IN 28553 3667 12 section section NN 28553 3667 13 in in IN 28553 3667 14 Fig Fig NNP 28553 3667 15 . . . 28553 3668 1 199 199 CD 28553 3668 2 . . . 28553 3669 1 Gas gas NN 28553 3669 2 enters enter VBZ 28553 3669 3 from from IN 28553 3669 4 the the DT 28553 3669 5 main main JJ 28553 3669 6 on on IN 28553 3669 7 the the DT 28553 3669 8 right right NN 28553 3669 9 , , , 28553 3669 10 and and CC 28553 3669 11 passes pass VBZ 28553 3669 12 into into IN 28553 3669 13 a a DT 28553 3669 14 circular circular JJ 28553 3669 15 elbow elbow NN 28553 3669 16 , , , 28553 3669 17 D d NN 28553 3669 18 , , , 28553 3669 19 which which WDT 28553 3669 20 has have VBZ 28553 3669 21 top top JJ 28553 3669 22 and and CC 28553 3669 23 bottom bottom JJ 28553 3669 24 apertures aperture NNS 28553 3669 25 closed close VBN 28553 3669 26 by by IN 28553 3669 27 the the DT 28553 3669 28 valves valve NNS 28553 3669 29 V V NNP 28553 3669 30 V. V. NNP 28553 3669 31 Attached attach VBN 28553 3669 32 to to IN 28553 3669 33 the the DT 28553 3669 34 valve valve NN 28553 3669 35 shaft shaft NN 28553 3669 36 is be VBZ 28553 3669 37 a a DT 28553 3669 38 large large JJ 28553 3669 39 inverted invert VBN 28553 3669 40 cup cup NN 28553 3669 41 of of IN 28553 3669 42 metal metal NN 28553 3669 43 , , , 28553 3669 44 the the DT 28553 3669 45 tip tip NN 28553 3669 46 of of IN 28553 3669 47 which which WDT 28553 3669 48 is be VBZ 28553 3669 49 immersed immerse VBN 28553 3669 50 in in IN 28553 3669 51 mercury mercury NN 28553 3669 52 . . . 28553 3670 1 The the DT 28553 3670 2 pressure pressure NN 28553 3670 3 at at IN 28553 3670 4 which which WDT 28553 3670 5 the the DT 28553 3670 6 governor governor NN 28553 3670 7 is be VBZ 28553 3670 8 to to TO 28553 3670 9 act act VB 28553 3670 10 is be VBZ 28553 3670 11 determined determine VBN 28553 3670 12 by by IN 28553 3670 13 the the DT 28553 3670 14 weights weight NNS 28553 3670 15 W W NNP 28553 3670 16 , , , 28553 3670 17 with with IN 28553 3670 18 which which WDT 28553 3670 19 the the DT 28553 3670 20 valve valve NN 28553 3670 21 spindle spindle NN 28553 3670 22 is be VBZ 28553 3670 23 loaded load VBN 28553 3670 24 at at IN 28553 3670 25 the the DT 28553 3670 26 top top NN 28553 3670 27 . . . 28553 3671 1 As as RB 28553 3671 2 soon soon RB 28553 3671 3 as as IN 28553 3671 4 this this DT 28553 3671 5 pressure pressure NN 28553 3671 6 is be VBZ 28553 3671 7 exceeded exceed VBN 28553 3671 8 , , , 28553 3671 9 the the DT 28553 3671 10 gas gas NN 28553 3671 11 in in IN 28553 3671 12 C C NNP 28553 3671 13 C C NNP 28553 3671 14 lifts lift VBZ 28553 3671 15 the the DT 28553 3671 16 metal metal NN 28553 3671 17 cup cup NN 28553 3671 18 , , , 28553 3671 19 and and CC 28553 3671 20 V v NN 28553 3671 21 V v NN 28553 3671 22 are be VBP 28553 3671 23 pressed press VBN 28553 3671 24 against against IN 28553 3671 25 their -PRON- PRP$ 28553 3671 26 seats seat NNS 28553 3671 27 , , , 28553 3671 28 so so CC 28553 3671 29 cutting cut VBG 28553 3671 30 off off RP 28553 3671 31 the the DT 28553 3671 32 supply supply NN 28553 3671 33 . . . 28553 3672 1 Gas gas NN 28553 3672 2 can can MD 28553 3672 3 not not RB 28553 3672 4 escape escape VB 28553 3672 5 from from IN 28553 3672 6 C C NNP 28553 3672 7 C C NNP 28553 3672 8 , , , 28553 3672 9 as as IN 28553 3672 10 it -PRON- PRP 28553 3672 11 has have VBZ 28553 3672 12 not not RB 28553 3672 13 sufficient sufficient JJ 28553 3672 14 pressure pressure NN 28553 3672 15 to to TO 28553 3672 16 force force VB 28553 3672 17 its -PRON- PRP$ 28553 3672 18 way way NN 28553 3672 19 through through IN 28553 3672 20 the the DT 28553 3672 21 mercury mercury NN 28553 3672 22 under under IN 28553 3672 23 the the DT 28553 3672 24 lip lip NN 28553 3672 25 of of IN 28553 3672 26 the the DT 28553 3672 27 cup cup NN 28553 3672 28 . . . 28553 3673 1 Immediately immediately RB 28553 3673 2 the the DT 28553 3673 3 pressure pressure NN 28553 3673 4 in in IN 28553 3673 5 C C NNP 28553 3673 6 C C NNP 28553 3673 7 falls fall VBZ 28553 3673 8 , , , 28553 3673 9 owing owe VBG 28553 3673 10 to to IN 28553 3673 11 some some DT 28553 3673 12 of of IN 28553 3673 13 the the DT 28553 3673 14 gas gas NN 28553 3673 15 being be VBG 28553 3673 16 used use VBN 28553 3673 17 up up RP 28553 3673 18 , , , 28553 3673 19 the the DT 28553 3673 20 valves valve NNS 28553 3673 21 open open VBP 28553 3673 22 and and CC 28553 3673 23 admit admit VBP 28553 3673 24 more more JJR 28553 3673 25 gas gas NN 28553 3673 26 . . . 28553 3674 1 When when WRB 28553 3674 2 the the DT 28553 3674 3 fluctuations fluctuation NNS 28553 3674 4 of of IN 28553 3674 5 pressure pressure NN 28553 3674 6 are be VBP 28553 3674 7 slight slight JJ 28553 3674 8 , , , 28553 3674 9 the the DT 28553 3674 10 valves valve NNS 28553 3674 11 never never RB 28553 3674 12 close close VBP 28553 3674 13 completely completely RB 28553 3674 14 , , , 28553 3674 15 but but CC 28553 3674 16 merely merely RB 28553 3674 17 throttle throttle VBP 28553 3674 18 the the DT 28553 3674 19 supply supply NN 28553 3674 20 until until IN 28553 3674 21 the the DT 28553 3674 22 pressure pressure NN 28553 3674 23 beyond beyond IN 28553 3674 24 them -PRON- PRP 28553 3674 25 falls fall VBZ 28553 3674 26 to to IN 28553 3674 27 its -PRON- PRP$ 28553 3674 28 proper proper JJ 28553 3674 29 level level NN 28553 3674 30 -- -- : 28553 3674 31 that that RB 28553 3674 32 is is RB 28553 3674 33 , , , 28553 3674 34 they -PRON- PRP 28553 3674 35 pass pass VBP 28553 3674 36 just just RB 28553 3674 37 as as RB 28553 3674 38 much much JJ 28553 3674 39 gas gas NN 28553 3674 40 as as IN 28553 3674 41 the the DT 28553 3674 42 burners burner NNS 28553 3674 43 in in IN 28553 3674 44 use use NN 28553 3674 45 can can MD 28553 3674 46 consume consume VB 28553 3674 47 at at IN 28553 3674 48 the the DT 28553 3674 49 pressure pressure NN 28553 3674 50 arranged arrange VBN 28553 3674 51 for for IN 28553 3674 52 . . . 28553 3675 1 Governors governor NNS 28553 3675 2 of of IN 28553 3675 3 much much RB 28553 3675 4 larger large JJR 28553 3675 5 size size NN 28553 3675 6 , , , 28553 3675 7 but but CC 28553 3675 8 working work VBG 28553 3675 9 on on IN 28553 3675 10 much much RB 28553 3675 11 the the DT 28553 3675 12 same same JJ 28553 3675 13 principle principle NN 28553 3675 14 , , , 28553 3675 15 are be VBP 28553 3675 16 fitted fit VBN 28553 3675 17 to to IN 28553 3675 18 the the DT 28553 3675 19 mains main NNS 28553 3675 20 at at IN 28553 3675 21 the the DT 28553 3675 22 point point NN 28553 3675 23 where where WRB 28553 3675 24 they -PRON- PRP 28553 3675 25 leave leave VBP 28553 3675 26 the the DT 28553 3675 27 gasometers gasometer NNS 28553 3675 28 . . . 28553 3676 1 They -PRON- PRP 28553 3676 2 are be VBP 28553 3676 3 not not RB 28553 3676 4 , , , 28553 3676 5 however however RB 28553 3676 6 , , , 28553 3676 7 sensitive sensitive JJ 28553 3676 8 to to IN 28553 3676 9 local local JJ 28553 3676 10 fluctuations fluctuation NNS 28553 3676 11 in in IN 28553 3676 12 the the DT 28553 3676 13 pipes pipe NNS 28553 3676 14 , , , 28553 3676 15 hence hence RB 28553 3676 16 the the DT 28553 3676 17 necessity necessity NN 28553 3676 18 for for IN 28553 3676 19 separate separate JJ 28553 3676 20 governors governor NNS 28553 3676 21 in in IN 28553 3676 22 the the DT 28553 3676 23 house house NN 28553 3676 24 between between IN 28553 3676 25 the the DT 28553 3676 26 meter meter NN 28553 3676 27 and and CC 28553 3676 28 the the DT 28553 3676 29 burners burner NNS 28553 3676 30 . . . 28553 3677 1 THE the DT 28553 3677 2 GAS GAS NNP 28553 3677 3 - - HYPH 28553 3677 4 METER METER NNP 28553 3677 5 commonly commonly RB 28553 3677 6 used use VBN 28553 3677 7 in in IN 28553 3677 8 houses house NNS 28553 3677 9 acts act NNS 28553 3677 10 on on IN 28553 3677 11 the the DT 28553 3677 12 principle principle NN 28553 3677 13 shown show VBN 28553 3677 14 in in IN 28553 3677 15 Fig Fig NNP 28553 3677 16 . . . 28553 3678 1 200 200 CD 28553 3678 2 . . . 28553 3679 1 The the DT 28553 3679 2 air air NN 28553 3679 3 - - HYPH 28553 3679 4 tight tight NN 28553 3679 5 casing casing NN 28553 3679 6 is be VBZ 28553 3679 7 divided divide VBN 28553 3679 8 by by IN 28553 3679 9 horizontal horizontal JJ 28553 3679 10 and and CC 28553 3679 11 vertical vertical JJ 28553 3679 12 divisions division NNS 28553 3679 13 into into IN 28553 3679 14 three three CD 28553 3679 15 gas gas NN 28553 3679 16 - - HYPH 28553 3679 17 chambers chamber NNS 28553 3679 18 , , , 28553 3679 19 B B NNP 28553 3679 20 , , , 28553 3679 21 C C NNP 28553 3679 22 , , , 28553 3679 23 and and CC 28553 3679 24 D. D. NNP 28553 3679 25 Gas Gas NNP 28553 3679 26 enters enter VBZ 28553 3679 27 at at IN 28553 3679 28 A a NN 28553 3679 29 , , , 28553 3679 30 and and CC 28553 3679 31 passes pass VBZ 28553 3679 32 to to IN 28553 3679 33 the the DT 28553 3679 34 valve valve NN 28553 3679 35 chamber chamber NN 28553 3679 36 B. B. NNP 28553 3680 1 The the DT 28553 3680 2 slide slide NN 28553 3680 3 - - HYPH 28553 3680 4 valves valve NNS 28553 3680 5 of of IN 28553 3680 6 this this DT 28553 3680 7 allow allow VB 28553 3680 8 it -PRON- PRP 28553 3680 9 to to TO 28553 3680 10 pass pass VB 28553 3680 11 into into IN 28553 3680 12 C c NN 28553 3680 13 and and CC 28553 3680 14 D D NNP 28553 3680 15 , , , 28553 3680 16 and and CC 28553 3680 17 also also RB 28553 3680 18 into into IN 28553 3680 19 the the DT 28553 3680 20 two two CD 28553 3680 21 circular circular JJ 28553 3680 22 leather leather NN 28553 3680 23 bellows bellow VBZ 28553 3680 24 E e NN 28553 3680 25 , , , 28553 3680 26 F F NNP 28553 3680 27 , , , 28553 3680 28 which which WDT 28553 3680 29 are be VBP 28553 3680 30 attached attach VBN 28553 3680 31 to to IN 28553 3680 32 the the DT 28553 3680 33 central central JJ 28553 3680 34 division division NN 28553 3680 35 G G NNP 28553 3680 36 , , , 28553 3680 37 but but CC 28553 3680 38 are be VBP 28553 3680 39 quite quite RB 28553 3680 40 independent independent JJ 28553 3680 41 of of IN 28553 3680 42 one one CD 28553 3680 43 another another DT 28553 3680 44 . . . 28553 3681 1 [ [ -LRB- 28553 3681 2 Illustration illustration NN 28553 3681 3 : : : 28553 3681 4 FIG FIG NNP 28553 3681 5 . . . 28553 3682 1 200.--Sketch 200.--sketch CD 28553 3682 2 of of IN 28553 3682 3 the the DT 28553 3682 4 bellows bellow NNS 28553 3682 5 and and CC 28553 3682 6 chambers chamber NNS 28553 3682 7 of of IN 28553 3682 8 a a DT 28553 3682 9 " " `` 28553 3682 10 dry dry JJ 28553 3682 11 " " '' 28553 3682 12 gas gas NN 28553 3682 13 meter meter NN 28553 3682 14 . . . 28553 3682 15 ] ] -RRB- 28553 3683 1 We -PRON- PRP 28553 3683 2 will will MD 28553 3683 3 suppose suppose VB 28553 3683 4 that that IN 28553 3683 5 in in IN 28553 3683 6 the the DT 28553 3683 7 illustration illustration NN 28553 3683 8 the the DT 28553 3683 9 valves valve NNS 28553 3683 10 are be VBP 28553 3683 11 admitting admit VBG 28553 3683 12 gas gas NN 28553 3683 13 to to TO 28553 3683 14 chamber chamber NN 28553 3683 15 C c NN 28553 3683 16 and and CC 28553 3683 17 bellows bellow VBZ 28553 3683 18 F. F. NNP 28553 3683 19 The the DT 28553 3683 20 pressure pressure NN 28553 3683 21 in in IN 28553 3683 22 C C NNP 28553 3683 23 presses press VBZ 28553 3683 24 the the DT 28553 3683 25 circular circular JJ 28553 3683 26 head head NN 28553 3683 27 of of IN 28553 3683 28 E e NN 28553 3683 29 towards towards IN 28553 3683 30 the the DT 28553 3683 31 division division NN 28553 3683 32 G g NN 28553 3683 33 , , , 28553 3683 34 expelling expel VBG 28553 3683 35 the the DT 28553 3683 36 contents content NNS 28553 3683 37 of of IN 28553 3683 38 the the DT 28553 3683 39 bellows bellow NNS 28553 3683 40 through through IN 28553 3683 41 an an DT 28553 3683 42 outlet outlet NN 28553 3683 43 pipe pipe NN 28553 3683 44 ( ( -LRB- 28553 3683 45 not not RB 28553 3683 46 shown show VBN 28553 3683 47 ) ) -RRB- 28553 3683 48 to to IN 28553 3683 49 the the DT 28553 3683 50 burners burner NNS 28553 3683 51 in in IN 28553 3683 52 operation operation NN 28553 3683 53 within within IN 28553 3683 54 the the DT 28553 3683 55 house house NN 28553 3683 56 . . . 28553 3684 1 Simultaneously simultaneously RB 28553 3684 2 the the DT 28553 3684 3 inflation inflation NN 28553 3684 4 of of IN 28553 3684 5 F F NNP 28553 3684 6 forces force NNS 28553 3684 7 the the DT 28553 3684 8 gas gas NN 28553 3684 9 in in IN 28553 3684 10 chamber chamber NN 28553 3684 11 D d NN 28553 3684 12 also also RB 28553 3684 13 through through IN 28553 3684 14 the the DT 28553 3684 15 outlet outlet NN 28553 3684 16 . . . 28553 3685 1 The the DT 28553 3685 2 head head NN 28553 3685 3 - - HYPH 28553 3685 4 plates plate NNS 28553 3685 5 of of IN 28553 3685 6 the the DT 28553 3685 7 bellows bellow NNS 28553 3685 8 are be VBP 28553 3685 9 attached attach VBN 28553 3685 10 to to IN 28553 3685 11 rods rod NNS 28553 3685 12 and and CC 28553 3685 13 levers lever NNS 28553 3685 14 ( ( -LRB- 28553 3685 15 not not RB 28553 3685 16 shown show VBN 28553 3685 17 ) ) -RRB- 28553 3685 18 working work VBG 28553 3685 19 the the DT 28553 3685 20 slide slide NN 28553 3685 21 - - HYPH 28553 3685 22 valves valve NNS 28553 3685 23 in in IN 28553 3685 24 B. B. NNP 28553 3686 1 As as RB 28553 3686 2 soon soon RB 28553 3686 3 as as IN 28553 3686 4 E e NN 28553 3686 5 is be VBZ 28553 3686 6 fully fully RB 28553 3686 7 in in RB 28553 3686 8 , , , 28553 3686 9 and and CC 28553 3686 10 F F NNP 28553 3686 11 fully fully RB 28553 3686 12 expanded expand VBD 28553 3686 13 , , , 28553 3686 14 the the DT 28553 3686 15 valves valve NNS 28553 3686 16 begin begin VBP 28553 3686 17 to to TO 28553 3686 18 open open VB 28553 3686 19 and and CC 28553 3686 20 put put VB 28553 3686 21 the the DT 28553 3686 22 inlet inlet JJ 28553 3686 23 pipe pipe NN 28553 3686 24 in in IN 28553 3686 25 communication communication NN 28553 3686 26 with with IN 28553 3686 27 D d NN 28553 3686 28 and and CC 28553 3686 29 E e NN 28553 3686 30 , , , 28553 3686 31 and and CC 28553 3686 32 allow allow VB 28553 3686 33 the the DT 28553 3686 34 contents content NNS 28553 3686 35 of of IN 28553 3686 36 F F NNP 28553 3686 37 and and CC 28553 3686 38 C C NNP 28553 3686 39 to to TO 28553 3686 40 escape escape VB 28553 3686 41 to to IN 28553 3686 42 the the DT 28553 3686 43 outlet outlet NN 28553 3686 44 . . . 28553 3687 1 The the DT 28553 3687 2 movements movement NNS 28553 3687 3 of of IN 28553 3687 4 the the DT 28553 3687 5 valve valve NN 28553 3687 6 mechanism mechanism NN 28553 3687 7 operate operate VBP 28553 3687 8 a a DT 28553 3687 9 train train NN 28553 3687 10 of of IN 28553 3687 11 counting count VBG 28553 3687 12 wheels wheel NNS 28553 3687 13 , , , 28553 3687 14 visible visible JJ 28553 3687 15 through through IN 28553 3687 16 a a DT 28553 3687 17 glass glass NN 28553 3687 18 window window NN 28553 3687 19 in in IN 28553 3687 20 the the DT 28553 3687 21 side side NN 28553 3687 22 of of IN 28553 3687 23 the the DT 28553 3687 24 case case NN 28553 3687 25 . . . 28553 3688 1 As as IN 28553 3688 2 the the DT 28553 3688 3 bellows bellow NNS 28553 3688 4 have have VBP 28553 3688 5 a a DT 28553 3688 6 definite definite JJ 28553 3688 7 capacity capacity NN 28553 3688 8 , , , 28553 3688 9 every every DT 28553 3688 10 stroke stroke NN 28553 3688 11 that that WDT 28553 3688 12 they -PRON- PRP 28553 3688 13 give give VBP 28553 3688 14 means mean VBZ 28553 3688 15 that that IN 28553 3688 16 a a DT 28553 3688 17 certain certain JJ 28553 3688 18 volume volume NN 28553 3688 19 of of IN 28553 3688 20 gas gas NN 28553 3688 21 has have VBZ 28553 3688 22 been be VBN 28553 3688 23 ejected eject VBN 28553 3688 24 either either CC 28553 3688 25 from from IN 28553 3688 26 them -PRON- PRP 28553 3688 27 or or CC 28553 3688 28 from from IN 28553 3688 29 the the DT 28553 3688 30 chambers chamber NNS 28553 3688 31 in in IN 28553 3688 32 which which WDT 28553 3688 33 they -PRON- PRP 28553 3688 34 move move VBP 28553 3688 35 : : : 28553 3688 36 this this DT 28553 3688 37 is be VBZ 28553 3688 38 registered register VBN 28553 3688 39 by by IN 28553 3688 40 the the DT 28553 3688 41 counter counter NN 28553 3688 42 . . . 28553 3689 1 The the DT 28553 3689 2 apparatus apparatus NN 28553 3689 3 practically practically RB 28553 3689 4 has have VBZ 28553 3689 5 two two CD 28553 3689 6 double double JJ 28553 3689 7 - - HYPH 28553 3689 8 action action NN 28553 3689 9 cylinders cylinder NNS 28553 3689 10 ( ( -LRB- 28553 3689 11 of of IN 28553 3689 12 which which WDT 28553 3689 13 the the DT 28553 3689 14 bellows bellow NNS 28553 3689 15 ends end NNS 28553 3689 16 are be VBP 28553 3689 17 the the DT 28553 3689 18 pistons piston NNS 28553 3689 19 ) ) -RRB- 28553 3689 20 working work VBG 28553 3689 21 on on IN 28553 3689 22 the the DT 28553 3689 23 same same JJ 28553 3689 24 principle principle NN 28553 3689 25 as as IN 28553 3689 26 the the DT 28553 3689 27 steam steam NN 28553 3689 28 - - HYPH 28553 3689 29 cylinder cylinder NN 28553 3689 30 ( ( -LRB- 28553 3689 31 Fig fig NN 28553 3689 32 . . . 28553 3690 1 21 21 CD 28553 3690 2 ) ) -RRB- 28553 3690 3 . . . 28553 3691 1 The the DT 28553 3691 2 valves valve NNS 28553 3691 3 have have VBP 28553 3691 4 three three CD 28553 3691 5 ports port NNS 28553 3691 6 -- -- : 28553 3691 7 the the DT 28553 3691 8 central central JJ 28553 3691 9 , , , 28553 3691 10 or or CC 28553 3691 11 exhaust exhaust NN 28553 3691 12 , , , 28553 3691 13 leading lead VBG 28553 3691 14 to to IN 28553 3691 15 the the DT 28553 3691 16 outlet outlet NN 28553 3691 17 , , , 28553 3691 18 the the DT 28553 3691 19 outer outer JJ 28553 3691 20 ones one NNS 28553 3691 21 from from IN 28553 3691 22 the the DT 28553 3691 23 inlet inlet NN 28553 3691 24 . . . 28553 3692 1 The the DT 28553 3692 2 bellows bellow NNS 28553 3692 3 are be VBP 28553 3692 4 fed feed VBN 28553 3692 5 through through IN 28553 3692 6 channels channel NNS 28553 3692 7 in in IN 28553 3692 8 the the DT 28553 3692 9 division division NN 28553 3692 10 G. G. NNP 28553 3692 11 INCANDESCENT INCANDESCENT NNP 28553 3692 12 GAS GAS NNP 28553 3692 13 LIGHTING LIGHTING NNP 28553 3692 14 . . . 28553 3693 1 The the DT 28553 3693 2 introduction introduction NN 28553 3693 3 of of IN 28553 3693 4 the the DT 28553 3693 5 electric electric JJ 28553 3693 6 arc arc NNP 28553 3693 7 lamp lamp NNP 28553 3693 8 and and CC 28553 3693 9 the the DT 28553 3693 10 incandescent incandescent NN 28553 3693 11 glow glow JJ 28553 3693 12 - - HYPH 28553 3693 13 lamp lamp NNP 28553 3693 14 seemed seem VBD 28553 3693 15 at at IN 28553 3693 16 one one CD 28553 3693 17 time time NN 28553 3693 18 to to TO 28553 3693 19 spell spell VB 28553 3693 20 the the DT 28553 3693 21 doom doom NN 28553 3693 22 of of IN 28553 3693 23 gas gas NN 28553 3693 24 as as IN 28553 3693 25 an an DT 28553 3693 26 illuminating illuminate VBG 28553 3693 27 agent agent NN 28553 3693 28 . . . 28553 3694 1 But but CC 28553 3694 2 the the DT 28553 3694 3 appearance appearance NN 28553 3694 4 in in IN 28553 3694 5 1886 1886 CD 28553 3694 6 of of IN 28553 3694 7 the the DT 28553 3694 8 Welsbach Welsbach NNP 28553 3694 9 _ _ NNP 28553 3694 10 incandescent incandescent NN 28553 3694 11 mantle mantle NN 28553 3694 12 _ _ NNP 28553 3694 13 for for IN 28553 3694 14 gas gas NN 28553 3694 15 - - HYPH 28553 3694 16 burners burner NNS 28553 3694 17 opened open VBD 28553 3694 18 a a DT 28553 3694 19 prosperous prosperous JJ 28553 3694 20 era era NN 28553 3694 21 in in IN 28553 3694 22 the the DT 28553 3694 23 history history NN 28553 3694 24 of of IN 28553 3694 25 gas gas NN 28553 3694 26 lighting lighting NN 28553 3694 27 . . . 28553 3695 1 The the DT 28553 3695 2 luminosity luminosity NN 28553 3695 3 of of IN 28553 3695 4 a a DT 28553 3695 5 gas gas NN 28553 3695 6 flame flame NN 28553 3695 7 depends depend VBZ 28553 3695 8 on on IN 28553 3695 9 the the DT 28553 3695 10 number number NN 28553 3695 11 of of IN 28553 3695 12 carbon carbon NN 28553 3695 13 particles particle NNS 28553 3695 14 liberated liberate VBN 28553 3695 15 within within IN 28553 3695 16 it -PRON- PRP 28553 3695 17 , , , 28553 3695 18 and and CC 28553 3695 19 the the DT 28553 3695 20 temperature temperature NN 28553 3695 21 to to TO 28553 3695 22 which which WDT 28553 3695 23 these these DT 28553 3695 24 particles particle NNS 28553 3695 25 can can MD 28553 3695 26 be be VB 28553 3695 27 heated heat VBN 28553 3695 28 as as IN 28553 3695 29 they -PRON- PRP 28553 3695 30 pass pass VBP 28553 3695 31 through through IN 28553 3695 32 the the DT 28553 3695 33 intensely intensely RB 28553 3695 34 hot hot JJ 28553 3695 35 outside outside JJ 28553 3695 36 zone zone NN 28553 3695 37 of of IN 28553 3695 38 the the DT 28553 3695 39 flame flame NN 28553 3695 40 . . . 28553 3696 1 By by IN 28553 3696 2 enriching enrich VBG 28553 3696 3 the the DT 28553 3696 4 gas gas NN 28553 3696 5 in in IN 28553 3696 6 carbon carbon NN 28553 3696 7 more more JJR 28553 3696 8 light light NN 28553 3696 9 is be VBZ 28553 3696 10 yielded yield VBN 28553 3696 11 , , , 28553 3696 12 up up IN 28553 3696 13 to to IN 28553 3696 14 a a DT 28553 3696 15 certain certain JJ 28553 3696 16 point point NN 28553 3696 17 , , , 28553 3696 18 with with IN 28553 3696 19 a a DT 28553 3696 20 flame flame NN 28553 3696 21 of of IN 28553 3696 22 a a DT 28553 3696 23 given give VBN 28553 3696 24 temperature temperature NN 28553 3696 25 . . . 28553 3697 1 To to TO 28553 3697 2 increase increase VB 28553 3697 3 the the DT 28553 3697 4 heat heat NN 28553 3697 5 of of IN 28553 3697 6 the the DT 28553 3697 7 flame flame NN 28553 3697 8 various various JJ 28553 3697 9 devices device NNS 28553 3697 10 were be VBD 28553 3697 11 tried try VBN 28553 3697 12 before before IN 28553 3697 13 the the DT 28553 3697 14 introduction introduction NN 28553 3697 15 of of IN 28553 3697 16 the the DT 28553 3697 17 incandescent incandescent JJ 28553 3697 18 mantle mantle NN 28553 3697 19 , , , 28553 3697 20 but but CC 28553 3697 21 they -PRON- PRP 28553 3697 22 were be VBD 28553 3697 23 found find VBN 28553 3697 24 to to TO 28553 3697 25 be be VB 28553 3697 26 too too RB 28553 3697 27 short short RB 28553 3697 28 - - HYPH 28553 3697 29 lived live VBN 28553 3697 30 to to TO 28553 3697 31 have have VB 28553 3697 32 any any DT 28553 3697 33 commercial commercial JJ 28553 3697 34 value value NN 28553 3697 35 . . . 28553 3698 1 Inventors inventor NNS 28553 3698 2 therefore therefore RB 28553 3698 3 sought seek VBD 28553 3698 4 for for IN 28553 3698 5 methods method NNS 28553 3698 6 by by IN 28553 3698 7 which which WDT 28553 3698 8 the the DT 28553 3698 9 emission emission NN 28553 3698 10 of of IN 28553 3698 11 light light NN 28553 3698 12 could could MD 28553 3698 13 be be VB 28553 3698 14 obtained obtain VBN 28553 3698 15 from from IN 28553 3698 16 coal coal NN 28553 3698 17 gas gas NN 28553 3698 18 independently independently RB 28553 3698 19 of of IN 28553 3698 20 the the DT 28553 3698 21 incandescence incandescence NN 28553 3698 22 of of IN 28553 3698 23 the the DT 28553 3698 24 carbon carbon NN 28553 3698 25 particles particle NNS 28553 3698 26 in in IN 28553 3698 27 the the DT 28553 3698 28 flame flame NN 28553 3698 29 itself -PRON- PRP 28553 3698 30 ; ; : 28553 3698 31 and and CC 28553 3698 32 step step VB 28553 3698 33 by by IN 28553 3698 34 step step NN 28553 3698 35 it -PRON- PRP 28553 3698 36 was be VBD 28553 3698 37 discovered discover VBN 28553 3698 38 that that IN 28553 3698 39 gas gas NN 28553 3698 40 could could MD 28553 3698 41 be be VB 28553 3698 42 better well RBR 28553 3698 43 employed employ VBN 28553 3698 44 merely merely RB 28553 3698 45 as as IN 28553 3698 46 a a DT 28553 3698 47 heating heating NN 28553 3698 48 agent agent NN 28553 3698 49 , , , 28553 3698 50 to to TO 28553 3698 51 raise raise VB 28553 3698 52 to to TO 28553 3698 53 incandescence incandescence VB 28553 3698 54 substances substance NNS 28553 3698 55 having have VBG 28553 3698 56 a a DT 28553 3698 57 higher high JJR 28553 3698 58 emissivity emissivity NN 28553 3698 59 of of IN 28553 3698 60 light light NN 28553 3698 61 than than IN 28553 3698 62 carbon carbon NN 28553 3698 63 . . . 28553 3699 1 Dr. Dr. NNP 28553 3699 2 Auer Auer NNP 28553 3699 3 von von NNP 28553 3699 4 Welsbach Welsbach NNP 28553 3699 5 found find VBD 28553 3699 6 that that IN 28553 3699 7 the the DT 28553 3699 8 substances substance NNS 28553 3699 9 most most RBS 28553 3699 10 suitable suitable JJ 28553 3699 11 for for IN 28553 3699 12 incandescent incandescent NN 28553 3699 13 mantles mantle NNS 28553 3699 14 were be VBD 28553 3699 15 the the DT 28553 3699 16 oxides oxide NNS 28553 3699 17 of of IN 28553 3699 18 certain certain JJ 28553 3699 19 rare rare JJ 28553 3699 20 metals metal NNS 28553 3699 21 , , , 28553 3699 22 _ _ NNP 28553 3699 23 thorium thorium NN 28553 3699 24 _ _ NNP 28553 3699 25 , , , 28553 3699 26 and and CC 28553 3699 27 _ _ NNP 28553 3699 28 cerium cerium NN 28553 3699 29 _ _ NNP 28553 3699 30 . . . 28553 3700 1 The the DT 28553 3700 2 mantle mantle NN 28553 3700 3 is be VBZ 28553 3700 4 made make VBN 28553 3700 5 by by IN 28553 3700 6 dipping dip VBG 28553 3700 7 a a DT 28553 3700 8 cylinder cylinder NN 28553 3700 9 of of IN 28553 3700 10 cotton cotton NN 28553 3700 11 net net NN 28553 3700 12 into into IN 28553 3700 13 a a DT 28553 3700 14 solution solution NN 28553 3700 15 of of IN 28553 3700 16 nitrate nitrate NN 28553 3700 17 of of IN 28553 3700 18 thorium thorium NN 28553 3700 19 and and CC 28553 3700 20 cerium cerium NN 28553 3700 21 , , , 28553 3700 22 containing contain VBG 28553 3700 23 99 99 CD 28553 3700 24 per per IN 28553 3700 25 cent cent NN 28553 3700 26 . . . 28553 3701 1 of of IN 28553 3701 2 the the DT 28553 3701 3 former former JJ 28553 3701 4 and and CC 28553 3701 5 1 1 CD 28553 3701 6 per per NN 28553 3701 7 cent cent NN 28553 3701 8 . . . 28553 3702 1 of of IN 28553 3702 2 the the DT 28553 3702 3 latter latter JJ 28553 3702 4 metal metal NN 28553 3702 5 . . . 28553 3703 1 When when WRB 28553 3703 2 the the DT 28553 3703 3 fibres fibre NNS 28553 3703 4 are be VBP 28553 3703 5 sufficiently sufficiently RB 28553 3703 6 soaked soak VBN 28553 3703 7 , , , 28553 3703 8 the the DT 28553 3703 9 mantle mantle NN 28553 3703 10 is be VBZ 28553 3703 11 withdrawn withdraw VBN 28553 3703 12 , , , 28553 3703 13 squeezed squeeze VBN 28553 3703 14 , , , 28553 3703 15 and and CC 28553 3703 16 placed place VBN 28553 3703 17 on on IN 28553 3703 18 a a DT 28553 3703 19 mould mould NN 28553 3703 20 to to TO 28553 3703 21 dry dry VB 28553 3703 22 . . . 28553 3704 1 It -PRON- PRP 28553 3704 2 is be VBZ 28553 3704 3 next next RB 28553 3704 4 held hold VBN 28553 3704 5 over over IN 28553 3704 6 a a DT 28553 3704 7 Bunsen Bunsen NNP 28553 3704 8 gas gas NN 28553 3704 9 flame flame NN 28553 3704 10 and and CC 28553 3704 11 the the DT 28553 3704 12 cotton cotton NN 28553 3704 13 is be VBZ 28553 3704 14 burned burn VBN 28553 3704 15 away away RP 28553 3704 16 , , , 28553 3704 17 while while IN 28553 3704 18 the the DT 28553 3704 19 nitrates nitrate NNS 28553 3704 20 are be VBP 28553 3704 21 converted convert VBN 28553 3704 22 into into IN 28553 3704 23 oxides oxide NNS 28553 3704 24 . . . 28553 3705 1 The the DT 28553 3705 2 mantle mantle NN 28553 3705 3 is be VBZ 28553 3705 4 now now RB 28553 3705 5 ready ready JJ 28553 3705 6 for for IN 28553 3705 7 use use NN 28553 3705 8 , , , 28553 3705 9 but but CC 28553 3705 10 very very RB 28553 3705 11 brittle brittle JJ 28553 3705 12 . . . 28553 3706 1 So so RB 28553 3706 2 it -PRON- PRP 28553 3706 3 has have VBZ 28553 3706 4 to to TO 28553 3706 5 undergo undergo VB 28553 3706 6 a a DT 28553 3706 7 further further JJ 28553 3706 8 dipping dipping NN 28553 3706 9 , , , 28553 3706 10 in in IN 28553 3706 11 a a DT 28553 3706 12 solution solution NN 28553 3706 13 of of IN 28553 3706 14 gun gun NN 28553 3706 15 - - HYPH 28553 3706 16 cotton cotton NN 28553 3706 17 and and CC 28553 3706 18 alcohol alcohol NN 28553 3706 19 , , , 28553 3706 20 to to TO 28553 3706 21 render render VB 28553 3706 22 it -PRON- PRP 28553 3706 23 tough tough JJ 28553 3706 24 enough enough RB 28553 3706 25 for for IN 28553 3706 26 packing packing NN 28553 3706 27 . . . 28553 3707 1 When when WRB 28553 3707 2 it -PRON- PRP 28553 3707 3 is be VBZ 28553 3707 4 required require VBN 28553 3707 5 for for IN 28553 3707 6 use use NN 28553 3707 7 , , , 28553 3707 8 it -PRON- PRP 28553 3707 9 is be VBZ 28553 3707 10 suspended suspend VBN 28553 3707 11 over over IN 28553 3707 12 the the DT 28553 3707 13 burner burner NN 28553 3707 14 by by IN 28553 3707 15 an an DT 28553 3707 16 asbestos asbestos NN 28553 3707 17 thread thread NN 28553 3707 18 woven weave VBN 28553 3707 19 across across IN 28553 3707 20 the the DT 28553 3707 21 top top NN 28553 3707 22 , , , 28553 3707 23 a a DT 28553 3707 24 light light NN 28553 3707 25 is be VBZ 28553 3707 26 applied apply VBN 28553 3707 27 to to IN 28553 3707 28 the the DT 28553 3707 29 bottom bottom NN 28553 3707 30 , , , 28553 3707 31 and and CC 28553 3707 32 the the DT 28553 3707 33 collodion collodion NN 28553 3707 34 burned burn VBD 28553 3707 35 off off RP 28553 3707 36 , , , 28553 3707 37 leaving leave VBG 28553 3707 38 nothing nothing NN 28553 3707 39 but but IN 28553 3707 40 the the DT 28553 3707 41 heat heat NN 28553 3707 42 - - HYPH 28553 3707 43 resisting resist VBG 28553 3707 44 oxides oxide NNS 28553 3707 45 . . . 28553 3708 1 The the DT 28553 3708 2 burner burner NN 28553 3708 3 used use VBD 28553 3708 4 with with IN 28553 3708 5 a a DT 28553 3708 6 mantle mantle NN 28553 3708 7 is be VBZ 28553 3708 8 constructed construct VBN 28553 3708 9 on on IN 28553 3708 10 the the DT 28553 3708 11 Bunsen Bunsen NNP 28553 3708 12 principle principle NN 28553 3708 13 . . . 28553 3709 1 The the DT 28553 3709 2 gas gas NN 28553 3709 3 is be VBZ 28553 3709 4 mixed mixed JJ 28553 3709 5 , , , 28553 3709 6 as as IN 28553 3709 7 it -PRON- PRP 28553 3709 8 emerges emerge VBZ 28553 3709 9 from from IN 28553 3709 10 the the DT 28553 3709 11 jet jet NN 28553 3709 12 , , , 28553 3709 13 with with IN 28553 3709 14 sufficient sufficient JJ 28553 3709 15 air air NN 28553 3709 16 to to TO 28553 3709 17 render render VB 28553 3709 18 its -PRON- PRP$ 28553 3709 19 combustion combustion NN 28553 3709 20 perfect perfect JJ 28553 3709 21 . . . 28553 3710 1 All all PDT 28553 3710 2 the the DT 28553 3710 3 carbon carbon NN 28553 3710 4 is be VBZ 28553 3710 5 burned burn VBN 28553 3710 6 , , , 28553 3710 7 and and CC 28553 3710 8 the the DT 28553 3710 9 flame flame NN 28553 3710 10 , , , 28553 3710 11 though though IN 28553 3710 12 almost almost RB 28553 3710 13 invisible invisible JJ 28553 3710 14 , , , 28553 3710 15 is be VBZ 28553 3710 16 intensely intensely RB 28553 3710 17 hot hot JJ 28553 3710 18 . . . 28553 3711 1 The the DT 28553 3711 2 mantle mantle NN 28553 3711 3 oxides oxide NNS 28553 3711 4 convert convert VBP 28553 3711 5 the the DT 28553 3711 6 heat heat NN 28553 3711 7 energy energy NN 28553 3711 8 of of IN 28553 3711 9 the the DT 28553 3711 10 flame flame NN 28553 3711 11 into into IN 28553 3711 12 light light JJ 28553 3711 13 energy energy NN 28553 3711 14 . . . 28553 3712 1 This this DT 28553 3712 2 is be VBZ 28553 3712 3 proved prove VBN 28553 3712 4 not not RB 28553 3712 5 only only RB 28553 3712 6 by by IN 28553 3712 7 the the DT 28553 3712 8 intense intense JJ 28553 3712 9 whiteness whiteness NN 28553 3712 10 of of IN 28553 3712 11 the the DT 28553 3712 12 mantle mantle NN 28553 3712 13 , , , 28553 3712 14 but but CC 28553 3712 15 by by IN 28553 3712 16 the the DT 28553 3712 17 fact fact NN 28553 3712 18 that that IN 28553 3712 19 the the DT 28553 3712 20 heat heat NN 28553 3712 21 issuing issue VBG 28553 3712 22 from from IN 28553 3712 23 the the DT 28553 3712 24 chimney chimney NN 28553 3712 25 of of IN 28553 3712 26 the the DT 28553 3712 27 burner burner NN 28553 3712 28 is be VBZ 28553 3712 29 not not RB 28553 3712 30 nearly nearly RB 28553 3712 31 so so RB 28553 3712 32 great great JJ 28553 3712 33 when when WRB 28553 3712 34 the the DT 28553 3712 35 mantle mantle NN 28553 3712 36 is be VBZ 28553 3712 37 in in IN 28553 3712 38 position position NN 28553 3712 39 as as IN 28553 3712 40 when when WRB 28553 3712 41 it -PRON- PRP 28553 3712 42 is be VBZ 28553 3712 43 absent absent JJ 28553 3712 44 . . . 28553 3713 1 The the DT 28553 3713 2 incandescent incandescent NN 28553 3713 3 mantle mantle NN 28553 3713 4 is be VBZ 28553 3713 5 more more RBR 28553 3713 6 extensively extensively RB 28553 3713 7 used use VBN 28553 3713 8 every every DT 28553 3713 9 year year NN 28553 3713 10 . . . 28553 3714 1 In in IN 28553 3714 2 Germany Germany NNP 28553 3714 3 90 90 CD 28553 3714 4 per per IN 28553 3714 5 cent cent NN 28553 3714 6 . . . 28553 3715 1 of of IN 28553 3715 2 gas gas NN 28553 3715 3 lighting lighting NN 28553 3715 4 is be VBZ 28553 3715 5 on on IN 28553 3715 6 the the DT 28553 3715 7 incandescent incandescent NN 28553 3715 8 system system NN 28553 3715 9 , , , 28553 3715 10 and and CC 28553 3715 11 in in IN 28553 3715 12 England England NNP 28553 3715 13 about about IN 28553 3715 14 40 40 CD 28553 3715 15 per per NN 28553 3715 16 cent cent NN 28553 3715 17 . . . 28553 3716 1 We -PRON- PRP 28553 3716 2 may may MD 28553 3716 3 notice notice VB 28553 3716 4 , , , 28553 3716 5 as as IN 28553 3716 6 an an DT 28553 3716 7 interesting interesting JJ 28553 3716 8 example example NN 28553 3716 9 of of IN 28553 3716 10 the the DT 28553 3716 11 fluctuating fluctuate VBG 28553 3716 12 fortunes fortune NNS 28553 3716 13 of of IN 28553 3716 14 invention invention NN 28553 3716 15 , , , 28553 3716 16 that that IN 28553 3716 17 the the DT 28553 3716 18 once once RB 28553 3716 19 doomed doom VBN 28553 3716 20 gas gas NN 28553 3716 21 - - HYPH 28553 3716 22 burner burner NN 28553 3716 23 has have VBZ 28553 3716 24 , , , 28553 3716 25 thanks thank NNS 28553 3716 26 to to IN 28553 3716 27 Welsbach Welsbach NNP 28553 3716 28 's 's POS 28553 3716 29 mantle mantle NN 28553 3716 30 , , , 28553 3716 31 in in IN 28553 3716 32 many many JJ 28553 3716 33 instances instance NNS 28553 3716 34 replaced replace VBD 28553 3716 35 the the DT 28553 3716 36 incandescent incandescent JJ 28553 3716 37 electric electric JJ 28553 3716 38 lamps lamp NNS 28553 3716 39 that that WDT 28553 3716 40 were be VBD 28553 3716 41 to to TO 28553 3716 42 doom doom VB 28553 3716 43 it -PRON- PRP 28553 3716 44 . . . 28553 3717 1 [ [ -LRB- 28553 3717 2 38 38 CD 28553 3717 3 ] ] -RRB- 28553 3717 4 If if IN 28553 3717 5 , , , 28553 3717 6 of of IN 28553 3717 7 course course NN 28553 3717 8 , , , 28553 3717 9 there there EX 28553 3717 10 is be VBZ 28553 3717 11 no no DT 28553 3717 12 safety safety NN 28553 3717 13 - - HYPH 28553 3717 14 valve valve NN 28553 3717 15 in in IN 28553 3717 16 proper proper JJ 28553 3717 17 working working NN 28553 3717 18 order order NN 28553 3717 19 included include VBN 28553 3717 20 in in IN 28553 3717 21 the the DT 28553 3717 22 installation installation NN 28553 3717 23 . . . 28553 3718 1 Chapter chapter NN 28553 3718 2 XX XX NNP 28553 3718 3 . . . 28553 3719 1 VARIOUS VARIOUS NNP 28553 3719 2 MECHANISMS MECHANISMS NNP 28553 3719 3 . . . 28553 3720 1 CLOCKS clock NNS 28553 3720 2 AND and CC 28553 3720 3 WATCHES:--A WATCHES:--A NNP 28553 3720 4 short short JJ 28553 3720 5 history history NN 28553 3720 6 of of IN 28553 3720 7 timepieces timepiece NNS 28553 3720 8 -- -- : 28553 3720 9 The the DT 28553 3720 10 construction construction NN 28553 3720 11 of of IN 28553 3720 12 timepieces timepiece NNS 28553 3720 13 -- -- : 28553 3720 14 The the DT 28553 3720 15 driving drive VBG 28553 3720 16 power power NN 28553 3720 17 -- -- : 28553 3720 18 The the DT 28553 3720 19 escapement escapement NN 28553 3720 20 -- -- : 28553 3720 21 Compensating compensating NN 28553 3720 22 pendulums pendulum NNS 28553 3720 23 -- -- : 28553 3720 24 The the DT 28553 3720 25 spring spring NN 28553 3720 26 balance balance NN 28553 3720 27 -- -- : 28553 3720 28 The the DT 28553 3720 29 cylinder cylinder NN 28553 3720 30 escapement escapement NN 28553 3720 31 -- -- : 28553 3720 32 The the DT 28553 3720 33 lever lever NN 28553 3720 34 escapement escapement NN 28553 3720 35 -- -- : 28553 3720 36 Compensated compensate VBN 28553 3720 37 balance balance NN 28553 3720 38 - - HYPH 28553 3720 39 wheels wheel NNS 28553 3720 40 -- -- : 28553 3720 41 Keyless Keyless NNP 28553 3720 42 winding winding NN 28553 3720 43 mechanism mechanism NN 28553 3720 44 for for IN 28553 3720 45 watches watch NNS 28553 3720 46 -- -- : 28553 3720 47 The the DT 28553 3720 48 hour hour NN 28553 3720 49 hand hand NN 28553 3720 50 train train NN 28553 3720 51 . . . 28553 3721 1 LOCKS:--The LOCKS:--The NNP 28553 3721 2 Chubb Chubb NNP 28553 3721 3 lock lock NN 28553 3721 4 -- -- : 28553 3721 5 The the DT 28553 3721 6 Yale Yale NNP 28553 3721 7 lock lock NN 28553 3721 8 . . . 28553 3722 1 THE the DT 28553 3722 2 CYCLE:--The CYCLE:--The NNP 28553 3722 3 gearing gearing NN 28553 3722 4 of of IN 28553 3722 5 a a DT 28553 3722 6 cycle cycle NN 28553 3722 7 -- -- : 28553 3722 8 The the DT 28553 3722 9 free free JJ 28553 3722 10 wheel wheel NN 28553 3722 11 -- -- : 28553 3722 12 The the DT 28553 3722 13 change change NN 28553 3722 14 - - HYPH 28553 3722 15 speed speed NN 28553 3722 16 gear gear NN 28553 3722 17 . . . 28553 3723 1 AGRICULTURAL agricultural VBP 28553 3723 2 MACHINES:--The machines:--the IN 28553 3723 3 threshing threshing JJ 28553 3723 4 - - HYPH 28553 3723 5 machine machine NN 28553 3723 6 -- -- : 28553 3723 7 Mowing mowing NN 28553 3723 8 - - HYPH 28553 3723 9 machines machine NNS 28553 3723 10 . . . 28553 3724 1 SOME some DT 28553 3724 2 NATURAL natural JJ 28553 3724 3 PHENOMENA:--Why phenomena:--why FW 28553 3724 4 sun sun NN 28553 3724 5 - - HYPH 28553 3724 6 heat heat NN 28553 3724 7 varies varie NNS 28553 3724 8 in in IN 28553 3724 9 intensity intensity NN 28553 3724 10 -- -- : 28553 3724 11 The the DT 28553 3724 12 tides tide NNS 28553 3724 13 -- -- : 28553 3724 14 Why why WRB 28553 3724 15 high high JJ 28553 3724 16 tide tide NN 28553 3724 17 varies vary VBZ 28553 3724 18 daily daily RB 28553 3724 19 . . . 28553 3725 1 CLOCKS CLOCKS NNP 28553 3725 2 AND and CC 28553 3725 3 WATCHES watches NN 28553 3725 4 . . . 28553 3726 1 A a DT 28553 3726 2 SHORT short JJ 28553 3726 3 HISTORY history NN 28553 3726 4 OF of IN 28553 3726 5 TIMEPIECES timepieces NN 28553 3726 6 . . . 28553 3727 1 The the DT 28553 3727 2 oldest old JJS 28553 3727 3 device device NN 28553 3727 4 for for IN 28553 3727 5 measuring measure VBG 28553 3727 6 time time NN 28553 3727 7 is be VBZ 28553 3727 8 the the DT 28553 3727 9 sun sun NN 28553 3727 10 - - HYPH 28553 3727 11 dial dial NN 28553 3727 12 . . . 28553 3728 1 That that DT 28553 3728 2 of of IN 28553 3728 3 Ahaz Ahaz NNP 28553 3728 4 mentioned mention VBD 28553 3728 5 in in IN 28553 3728 6 the the DT 28553 3728 7 Second Second NNP 28553 3728 8 Book Book NNP 28553 3728 9 of of IN 28553 3728 10 Kings king NNS 28553 3728 11 is be VBZ 28553 3728 12 the the DT 28553 3728 13 earliest early JJS 28553 3728 14 dial dial NN 28553 3728 15 of of IN 28553 3728 16 which which WDT 28553 3728 17 we -PRON- PRP 28553 3728 18 have have VBP 28553 3728 19 record record NN 28553 3728 20 . . . 28553 3729 1 The the DT 28553 3729 2 obelisks obelisk NNS 28553 3729 3 of of IN 28553 3729 4 the the DT 28553 3729 5 Egyptians Egyptians NNPS 28553 3729 6 and and CC 28553 3729 7 the the DT 28553 3729 8 curious curious JJ 28553 3729 9 stone stone NN 28553 3729 10 pillars pillar NNS 28553 3729 11 of of IN 28553 3729 12 the the DT 28553 3729 13 Druidic Druidic NNP 28553 3729 14 age age NN 28553 3729 15 also also RB 28553 3729 16 probably probably RB 28553 3729 17 served serve VBD 28553 3729 18 as as IN 28553 3729 19 shadow shadow NN 28553 3729 20 - - HYPH 28553 3729 21 casters caster NNS 28553 3729 22 . . . 28553 3730 1 The the DT 28553 3730 2 clepsydra clepsydra NNS 28553 3730 3 , , , 28553 3730 4 or or CC 28553 3730 5 water water NN 28553 3730 6 - - HYPH 28553 3730 7 clock clock NN 28553 3730 8 , , , 28553 3730 9 also also RB 28553 3730 10 of of IN 28553 3730 11 great great JJ 28553 3730 12 antiquity antiquity NN 28553 3730 13 , , , 28553 3730 14 was be VBD 28553 3730 15 the the DT 28553 3730 16 first first JJ 28553 3730 17 contrivance contrivance NN 28553 3730 18 for for IN 28553 3730 19 gauging gauge VBG 28553 3730 20 the the DT 28553 3730 21 passage passage NN 28553 3730 22 of of IN 28553 3730 23 the the DT 28553 3730 24 hours hour NNS 28553 3730 25 independently independently RB 28553 3730 26 of of IN 28553 3730 27 the the DT 28553 3730 28 motion motion NN 28553 3730 29 of of IN 28553 3730 30 the the DT 28553 3730 31 earth earth NN 28553 3730 32 . . . 28553 3731 1 In in IN 28553 3731 2 its -PRON- PRP$ 28553 3731 3 simplest simple JJS 28553 3731 4 form form NN 28553 3731 5 it -PRON- PRP 28553 3731 6 was be VBD 28553 3731 7 a a DT 28553 3731 8 measure measure NN 28553 3731 9 into into IN 28553 3731 10 which which WDT 28553 3731 11 water water NN 28553 3731 12 fell fall VBD 28553 3731 13 drop drop VB 28553 3731 14 by by IN 28553 3731 15 drop drop NN 28553 3731 16 , , , 28553 3731 17 hour hour NN 28553 3731 18 levels level NNS 28553 3731 19 being be VBG 28553 3731 20 marked mark VBN 28553 3731 21 on on IN 28553 3731 22 the the DT 28553 3731 23 inside inside NN 28553 3731 24 . . . 28553 3732 1 Subsequently subsequently RB 28553 3732 2 a a DT 28553 3732 3 very very RB 28553 3732 4 simple simple JJ 28553 3732 5 mechanism mechanism NN 28553 3732 6 was be VBD 28553 3732 7 added add VBN 28553 3732 8 to to TO 28553 3732 9 drive drive VB 28553 3732 10 a a DT 28553 3732 11 pointer pointer NN 28553 3732 12 -- -- : 28553 3732 13 a a DT 28553 3732 14 float float NN 28553 3732 15 carrying carry VBG 28553 3732 16 a a DT 28553 3732 17 vertical vertical JJ 28553 3732 18 rack rack NN 28553 3732 19 , , , 28553 3732 20 engaging engage VBG 28553 3732 21 with with IN 28553 3732 22 a a DT 28553 3732 23 cog cog NN 28553 3732 24 on on IN 28553 3732 25 the the DT 28553 3732 26 pointer pointer NN 28553 3732 27 spindle spindle NN 28553 3732 28 ; ; : 28553 3732 29 or or CC 28553 3732 30 a a DT 28553 3732 31 string string NN 28553 3732 32 from from IN 28553 3732 33 the the DT 28553 3732 34 float float NN 28553 3732 35 passed pass VBN 28553 3732 36 over over RP 28553 3732 37 a a DT 28553 3732 38 pulley pulley NN 28553 3732 39 attached attach VBN 28553 3732 40 to to IN 28553 3732 41 the the DT 28553 3732 42 pointer pointer NN 28553 3732 43 and and CC 28553 3732 44 rotated rotate VBD 28553 3732 45 it -PRON- PRP 28553 3732 46 as as IN 28553 3732 47 the the DT 28553 3732 48 float float NN 28553 3732 49 rose rise VBD 28553 3732 50 , , , 28553 3732 51 after after IN 28553 3732 52 the the DT 28553 3732 53 manner manner NN 28553 3732 54 of of IN 28553 3732 55 the the DT 28553 3732 56 wheel wheel NN 28553 3732 57 barometer barometer NN 28553 3732 58 ( ( -LRB- 28553 3732 59 Fig fig NN 28553 3732 60 . . . 28553 3733 1 153 153 CD 28553 3733 2 ) ) -RRB- 28553 3733 3 . . . 28553 3734 1 In in IN 28553 3734 2 807 807 CD 28553 3734 3 A.D. A.D. NNP 28553 3734 4 Charlemagne Charlemagne NNP 28553 3734 5 received receive VBD 28553 3734 6 from from IN 28553 3734 7 the the DT 28553 3734 8 King King NNP 28553 3734 9 of of IN 28553 3734 10 Persia Persia NNP 28553 3734 11 a a DT 28553 3734 12 water water NN 28553 3734 13 - - HYPH 28553 3734 14 clock clock NN 28553 3734 15 which which WDT 28553 3734 16 struck strike VBD 28553 3734 17 the the DT 28553 3734 18 hours hour NNS 28553 3734 19 . . . 28553 3735 1 It -PRON- PRP 28553 3735 2 is be VBZ 28553 3735 3 thus thus RB 28553 3735 4 described describe VBN 28553 3735 5 in in IN 28553 3735 6 Gifford Gifford NNP 28553 3735 7 's 's POS 28553 3735 8 " " `` 28553 3735 9 History history NN 28553 3735 10 of of IN 28553 3735 11 France":--"The France":--"The NNP 28553 3735 12 dial dial NN 28553 3735 13 was be VBD 28553 3735 14 composed compose VBN 28553 3735 15 of of IN 28553 3735 16 twelve twelve CD 28553 3735 17 small small JJ 28553 3735 18 doors door NNS 28553 3735 19 , , , 28553 3735 20 which which WDT 28553 3735 21 represented represent VBD 28553 3735 22 the the DT 28553 3735 23 division division NN 28553 3735 24 of of IN 28553 3735 25 the the DT 28553 3735 26 hours hour NNS 28553 3735 27 . . . 28553 3736 1 Each each DT 28553 3736 2 door door NN 28553 3736 3 opened open VBD 28553 3736 4 at at IN 28553 3736 5 the the DT 28553 3736 6 hour hour NN 28553 3736 7 it -PRON- PRP 28553 3736 8 was be VBD 28553 3736 9 intended intend VBN 28553 3736 10 to to TO 28553 3736 11 represent represent VB 28553 3736 12 , , , 28553 3736 13 and and CC 28553 3736 14 out out IN 28553 3736 15 of of IN 28553 3736 16 it -PRON- PRP 28553 3736 17 came come VBD 28553 3736 18 a a DT 28553 3736 19 small small JJ 28553 3736 20 number number NN 28553 3736 21 of of IN 28553 3736 22 little little JJ 28553 3736 23 balls ball NNS 28553 3736 24 , , , 28553 3736 25 which which WDT 28553 3736 26 fell fall VBD 28553 3736 27 one one CD 28553 3736 28 by by IN 28553 3736 29 one one CD 28553 3736 30 , , , 28553 3736 31 at at IN 28553 3736 32 equal equal JJ 28553 3736 33 distances distance NNS 28553 3736 34 of of IN 28553 3736 35 time time NN 28553 3736 36 , , , 28553 3736 37 on on IN 28553 3736 38 a a DT 28553 3736 39 brass brass NN 28553 3736 40 drum drum NN 28553 3736 41 . . . 28553 3737 1 It -PRON- PRP 28553 3737 2 might may MD 28553 3737 3 be be VB 28553 3737 4 told tell VBN 28553 3737 5 by by IN 28553 3737 6 the the DT 28553 3737 7 eye eye NN 28553 3737 8 what what WDT 28553 3737 9 hour hour NN 28553 3737 10 it -PRON- PRP 28553 3737 11 was be VBD 28553 3737 12 by by IN 28553 3737 13 the the DT 28553 3737 14 number number NN 28553 3737 15 of of IN 28553 3737 16 doors door NNS 28553 3737 17 that that WDT 28553 3737 18 were be VBD 28553 3737 19 open open JJ 28553 3737 20 , , , 28553 3737 21 and and CC 28553 3737 22 by by IN 28553 3737 23 the the DT 28553 3737 24 ear ear NN 28553 3737 25 by by IN 28553 3737 26 the the DT 28553 3737 27 number number NN 28553 3737 28 of of IN 28553 3737 29 balls ball NNS 28553 3737 30 that that WDT 28553 3737 31 fell fall VBD 28553 3737 32 . . . 28553 3738 1 When when WRB 28553 3738 2 it -PRON- PRP 28553 3738 3 was be VBD 28553 3738 4 twelve twelve CD 28553 3738 5 o'clock o'clock NN 28553 3738 6 twelve twelve CD 28553 3738 7 horsemen horseman NNS 28553 3738 8 in in IN 28553 3738 9 miniature miniature NN 28553 3738 10 issued issue VBN 28553 3738 11 forth forth RP 28553 3738 12 at at IN 28553 3738 13 the the DT 28553 3738 14 same same JJ 28553 3738 15 time time NN 28553 3738 16 and and CC 28553 3738 17 shut shut VBD 28553 3738 18 all all PDT 28553 3738 19 the the DT 28553 3738 20 doors door NNS 28553 3738 21 . . . 28553 3738 22 " " '' 28553 3739 1 Sand sand NN 28553 3739 2 - - HYPH 28553 3739 3 glasses glass NNS 28553 3739 4 were be VBD 28553 3739 5 introduced introduce VBN 28553 3739 6 about about IN 28553 3739 7 330 330 CD 28553 3739 8 A.D. A.D. NNP 28553 3740 1 Except except IN 28553 3740 2 for for IN 28553 3740 3 special special JJ 28553 3740 4 purposes purpose NNS 28553 3740 5 , , , 28553 3740 6 such such JJ 28553 3740 7 as as IN 28553 3740 8 timing timing NN 28553 3740 9 sermons sermon NNS 28553 3740 10 and and CC 28553 3740 11 boiling boil VBG 28553 3740 12 eggs egg NNS 28553 3740 13 , , , 28553 3740 14 they -PRON- PRP 28553 3740 15 have have VBP 28553 3740 16 not not RB 28553 3740 17 been be VBN 28553 3740 18 of of IN 28553 3740 19 any any DT 28553 3740 20 practical practical JJ 28553 3740 21 value value NN 28553 3740 22 . . . 28553 3741 1 The the DT 28553 3741 2 clepsydra clepsydra NNS 28553 3741 3 naturally naturally RB 28553 3741 4 suggested suggest VBD 28553 3741 5 to to IN 28553 3741 6 the the DT 28553 3741 7 mechanical mechanical JJ 28553 3741 8 mind mind NN 28553 3741 9 the the DT 28553 3741 10 idea idea NN 28553 3741 11 of of IN 28553 3741 12 driving drive VBG 28553 3741 13 a a DT 28553 3741 14 mechanism mechanism NN 28553 3741 15 for for IN 28553 3741 16 registering register VBG 28553 3741 17 time time NN 28553 3741 18 by by IN 28553 3741 19 the the DT 28553 3741 20 force force NN 28553 3741 21 of of IN 28553 3741 22 gravity gravity NN 28553 3741 23 acting act VBG 28553 3741 24 on on IN 28553 3741 25 some some DT 28553 3741 26 body body NN 28553 3741 27 other other JJ 28553 3741 28 than than IN 28553 3741 29 water water NN 28553 3741 30 . . . 28553 3742 1 The the DT 28553 3742 2 invention invention NN 28553 3742 3 of of IN 28553 3742 4 the the DT 28553 3742 5 _ _ NNP 28553 3742 6 weight weight NN 28553 3742 7 - - HYPH 28553 3742 8 driven drive VBN 28553 3742 9 clock clock NN 28553 3742 10 _ _ NNP 28553 3742 11 is be VBZ 28553 3742 12 attributed attribute VBN 28553 3742 13 , , , 28553 3742 14 like like IN 28553 3742 15 a a DT 28553 3742 16 good good JJ 28553 3742 17 many many JJ 28553 3742 18 other other JJ 28553 3742 19 things thing NNS 28553 3742 20 , , , 28553 3742 21 to to IN 28553 3742 22 Archimedes Archimedes NNP 28553 3742 23 , , , 28553 3742 24 the the DT 28553 3742 25 famous famous JJ 28553 3742 26 Sicilian sicilian JJ 28553 3742 27 mathematician mathematician NN 28553 3742 28 of of IN 28553 3742 29 the the DT 28553 3742 30 third third JJ 28553 3742 31 century century NN 28553 3742 32 B.C. B.C. NNP 28553 3743 1 ; ; : 28553 3743 2 but but CC 28553 3743 3 no no DT 28553 3743 4 record record NN 28553 3743 5 exists exist VBZ 28553 3743 6 of of IN 28553 3743 7 any any DT 28553 3743 8 actual actual JJ 28553 3743 9 clock clock NN 28553 3743 10 composed compose VBN 28553 3743 11 of of IN 28553 3743 12 wheels wheel NNS 28553 3743 13 operated operate VBN 28553 3743 14 by by IN 28553 3743 15 a a DT 28553 3743 16 weight weight NN 28553 3743 17 prior prior RB 28553 3743 18 to to IN 28553 3743 19 1120 1120 CD 28553 3743 20 A.D. A.D. NNP 28553 3744 1 So so RB 28553 3744 2 we -PRON- PRP 28553 3744 3 may may MD 28553 3744 4 take take VB 28553 3744 5 that that DT 28553 3744 6 year year NN 28553 3744 7 as as IN 28553 3744 8 opening open VBG 28553 3744 9 the the DT 28553 3744 10 era era NN 28553 3744 11 of of IN 28553 3744 12 the the DT 28553 3744 13 clock clock NN 28553 3744 14 as as IN 28553 3744 15 we -PRON- PRP 28553 3744 16 know know VBP 28553 3744 17 it -PRON- PRP 28553 3744 18 . . . 28553 3745 1 About about RB 28553 3745 2 1500 1500 CD 28553 3745 3 Peter Peter NNP 28553 3745 4 Hele Hele NNP 28553 3745 5 of of IN 28553 3745 6 Nuremberg Nuremberg NNP 28553 3745 7 invented invent VBD 28553 3745 8 the the DT 28553 3745 9 _ _ NNP 28553 3745 10 mainspring mainspre VBG 28553 3745 11 _ _ NNP 28553 3745 12 as as IN 28553 3745 13 a a DT 28553 3745 14 substitute substitute NN 28553 3745 15 for for IN 28553 3745 16 the the DT 28553 3745 17 weight weight NN 28553 3745 18 , , , 28553 3745 19 and and CC 28553 3745 20 the the DT 28553 3745 21 _ _ NNP 28553 3745 22 watch watch NN 28553 3745 23 _ _ NNP 28553 3745 24 appeared appear VBD 28553 3745 25 soon soon RB 28553 3745 26 afterwards afterwards RB 28553 3745 27 ( ( -LRB- 28553 3745 28 1525 1525 CD 28553 3745 29 A.D. A.D. NNP 28553 3745 30 ) ) -RRB- 28553 3745 31 . . . 28553 3746 1 The the DT 28553 3746 2 pendulum pendulum NN 28553 3746 3 was be VBD 28553 3746 4 first first RB 28553 3746 5 adopted adopt VBN 28553 3746 6 for for IN 28553 3746 7 controlling control VBG 28553 3746 8 the the DT 28553 3746 9 motion motion NN 28553 3746 10 of of IN 28553 3746 11 the the DT 28553 3746 12 wheels wheel NNS 28553 3746 13 by by IN 28553 3746 14 Christian Christian NNP 28553 3746 15 Huygens Huygens NNP 28553 3746 16 , , , 28553 3746 17 a a DT 28553 3746 18 distinguished distinguished JJ 28553 3746 19 Dutch dutch JJ 28553 3746 20 mechanician mechanician NN 28553 3746 21 , , , 28553 3746 22 in in IN 28553 3746 23 1659 1659 CD 28553 3746 24 . . . 28553 3747 1 To to IN 28553 3747 2 Thomas Thomas NNP 28553 3747 3 Tompion Tompion NNP 28553 3747 4 , , , 28553 3747 5 " " '' 28553 3747 6 the the DT 28553 3747 7 father father NN 28553 3747 8 of of IN 28553 3747 9 English English NNP 28553 3747 10 watchmaking watchmaking NN 28553 3747 11 , , , 28553 3747 12 " " `` 28553 3747 13 is be VBZ 28553 3747 14 ascribed ascribe VBN 28553 3747 15 the the DT 28553 3747 16 honour honour NN 28553 3747 17 of of IN 28553 3747 18 first first JJ 28553 3747 19 fitting fit VBG 28553 3747 20 a a DT 28553 3747 21 _ _ NNP 28553 3747 22 hairspring hairspring NN 28553 3747 23 _ _ NNP 28553 3747 24 to to IN 28553 3747 25 the the DT 28553 3747 26 escapement escapement NN 28553 3747 27 of of IN 28553 3747 28 a a DT 28553 3747 29 watch watch NN 28553 3747 30 , , , 28553 3747 31 in in IN 28553 3747 32 or or CC 28553 3747 33 about about IN 28553 3747 34 the the DT 28553 3747 35 year year NN 28553 3747 36 1660 1660 CD 28553 3747 37 . . . 28553 3748 1 He -PRON- PRP 28553 3748 2 also also RB 28553 3748 3 introduced introduce VBD 28553 3748 4 the the DT 28553 3748 5 _ _ NNP 28553 3748 6 cylinder cylinder NN 28553 3748 7 escapement escapement NN 28553 3748 8 _ _ NNP 28553 3748 9 now now RB 28553 3748 10 so so RB 28553 3748 11 commonly commonly RB 28553 3748 12 used use VBN 28553 3748 13 in in IN 28553 3748 14 cheap cheap JJ 28553 3748 15 watches watch NNS 28553 3748 16 . . . 28553 3749 1 Though though IN 28553 3749 2 many many JJ 28553 3749 3 improvements improvement NNS 28553 3749 4 have have VBP 28553 3749 5 been be VBN 28553 3749 6 made make VBN 28553 3749 7 since since IN 28553 3749 8 his -PRON- PRP$ 28553 3749 9 time time NN 28553 3749 10 , , , 28553 3749 11 Tompion tompion NN 28553 3749 12 manufactured manufacture VBD 28553 3749 13 clocks clock NNS 28553 3749 14 and and CC 28553 3749 15 watches watch NNS 28553 3749 16 which which WDT 28553 3749 17 were be VBD 28553 3749 18 excellent excellent JJ 28553 3749 19 timekeepers timekeeper NNS 28553 3749 20 , , , 28553 3749 21 and and CC 28553 3749 22 as as IN 28553 3749 23 a a DT 28553 3749 24 reward reward NN 28553 3749 25 for for IN 28553 3749 26 the the DT 28553 3749 27 benefits benefit NNS 28553 3749 28 conferred confer VBN 28553 3749 29 on on IN 28553 3749 30 his -PRON- PRP$ 28553 3749 31 fellows fellow NNS 28553 3749 32 during during IN 28553 3749 33 his -PRON- PRP$ 28553 3749 34 lifetime lifetime NN 28553 3749 35 , , , 28553 3749 36 he -PRON- PRP 28553 3749 37 was be VBD 28553 3749 38 , , , 28553 3749 39 after after IN 28553 3749 40 death death NN 28553 3749 41 , , , 28553 3749 42 granted grant VBD 28553 3749 43 the the DT 28553 3749 44 exceptional exceptional JJ 28553 3749 45 honour honour NN 28553 3749 46 of of IN 28553 3749 47 a a DT 28553 3749 48 resting resting NN 28553 3749 49 - - HYPH 28553 3749 50 place place NN 28553 3749 51 in in IN 28553 3749 52 Westminster Westminster NNP 28553 3749 53 Abbey Abbey NNP 28553 3749 54 . . . 28553 3750 1 THE the DT 28553 3750 2 CONSTRUCTION construction NN 28553 3750 3 OF of IN 28553 3750 4 TIMEPIECES timepieces NN 28553 3750 5 . . . 28553 3751 1 A a DT 28553 3751 2 clock clock NN 28553 3751 3 or or CC 28553 3751 4 watch watch NN 28553 3751 5 contains contain VBZ 28553 3751 6 three three CD 28553 3751 7 main main JJ 28553 3751 8 elements:--(1 elements:--(1 NN 28553 3751 9 ) ) -RRB- 28553 3751 10 The the DT 28553 3751 11 source source NN 28553 3751 12 of of IN 28553 3751 13 power power NN 28553 3751 14 , , , 28553 3751 15 which which WDT 28553 3751 16 may may MD 28553 3751 17 be be VB 28553 3751 18 a a DT 28553 3751 19 weight weight NN 28553 3751 20 or or CC 28553 3751 21 a a DT 28553 3751 22 spring spring NN 28553 3751 23 ; ; : 28553 3751 24 ( ( -LRB- 28553 3751 25 2 2 LS 28553 3751 26 ) ) -RRB- 28553 3751 27 the the DT 28553 3751 28 train train NN 28553 3751 29 of of IN 28553 3751 30 wheels wheel NNS 28553 3751 31 operated operate VBN 28553 3751 32 by by IN 28553 3751 33 the the DT 28553 3751 34 driving drive VBG 28553 3751 35 force force NN 28553 3751 36 ; ; : 28553 3751 37 ( ( -LRB- 28553 3751 38 3 3 LS 28553 3751 39 ) ) -RRB- 28553 3751 40 the the DT 28553 3751 41 agent agent NN 28553 3751 42 for for IN 28553 3751 43 controlling control VBG 28553 3751 44 the the DT 28553 3751 45 movements movement NNS 28553 3751 46 of of IN 28553 3751 47 the the DT 28553 3751 48 train train NN 28553 3751 49 -- -- : 28553 3751 50 this this DT 28553 3751 51 in in IN 28553 3751 52 large large JJ 28553 3751 53 clocks clock NNS 28553 3751 54 is be VBZ 28553 3751 55 usually usually RB 28553 3751 56 a a DT 28553 3751 57 pendulum pendulum NN 28553 3751 58 , , , 28553 3751 59 in in IN 28553 3751 60 small small JJ 28553 3751 61 clocks clock NNS 28553 3751 62 and and CC 28553 3751 63 watches watch VBZ 28553 3751 64 a a DT 28553 3751 65 hairspring hairspring NN 28553 3751 66 balance balance NN 28553 3751 67 . . . 28553 3752 1 To to IN 28553 3752 2 these these DT 28553 3752 3 may may MD 28553 3752 4 be be VB 28553 3752 5 added add VBN 28553 3752 6 , , , 28553 3752 7 in in IN 28553 3752 8 the the DT 28553 3752 9 case case NN 28553 3752 10 of of IN 28553 3752 11 clocks clock NNS 28553 3752 12 , , , 28553 3752 13 the the DT 28553 3752 14 apparatus apparatus NN 28553 3752 15 for for IN 28553 3752 16 striking strike VBG 28553 3752 17 the the DT 28553 3752 18 hour hour NN 28553 3752 19 . . . 28553 3753 1 THE the DT 28553 3753 2 DRIVING driving NN 28553 3753 3 POWER POWER NNS 28553 3753 4 . . . 28553 3754 1 _ _ NNP 28553 3754 2 Weights Weights NNPS 28553 3754 3 _ _ NNP 28553 3754 4 are be VBP 28553 3754 5 used use VBN 28553 3754 6 only only RB 28553 3754 7 in in IN 28553 3754 8 large large JJ 28553 3754 9 clocks clock NNS 28553 3754 10 , , , 28553 3754 11 such such JJ 28553 3754 12 as as IN 28553 3754 13 one one CD 28553 3754 14 finds find VBZ 28553 3754 15 in in IN 28553 3754 16 halls hall NNS 28553 3754 17 , , , 28553 3754 18 towers tower NNS 28553 3754 19 , , , 28553 3754 20 and and CC 28553 3754 21 observatories observatory NNS 28553 3754 22 . . . 28553 3755 1 The the DT 28553 3755 2 great great JJ 28553 3755 3 advantage advantage NN 28553 3755 4 of of IN 28553 3755 5 employing employ VBG 28553 3755 6 weights weight NNS 28553 3755 7 is be VBZ 28553 3755 8 that that IN 28553 3755 9 a a DT 28553 3755 10 constant constant JJ 28553 3755 11 driving driving NN 28553 3755 12 power power NN 28553 3755 13 is be VBZ 28553 3755 14 exerted exert VBN 28553 3755 15 . . . 28553 3756 1 _ _ NNP 28553 3756 2 Springs Springs NNP 28553 3756 3 _ _ NNP 28553 3756 4 occupy occupy VBP 28553 3756 5 much much RB 28553 3756 6 less less JJR 28553 3756 7 room room NN 28553 3756 8 than than IN 28553 3756 9 weights weight NNS 28553 3756 10 , , , 28553 3756 11 and and CC 28553 3756 12 are be VBP 28553 3756 13 indispensable indispensable JJ 28553 3756 14 for for IN 28553 3756 15 portable portable JJ 28553 3756 16 timepieces timepiece NNS 28553 3756 17 . . . 28553 3757 1 The the DT 28553 3757 2 employment employment NN 28553 3757 3 of of IN 28553 3757 4 them -PRON- PRP 28553 3757 5 caused cause VBD 28553 3757 6 trouble trouble NN 28553 3757 7 to to IN 28553 3757 8 early early JJ 28553 3757 9 experimenters experimenter NNS 28553 3757 10 on on IN 28553 3757 11 account account NN 28553 3757 12 of of IN 28553 3757 13 the the DT 28553 3757 14 decrease decrease NN 28553 3757 15 in in IN 28553 3757 16 power power NN 28553 3757 17 which which WDT 28553 3757 18 necessarily necessarily RB 28553 3757 19 accompanies accompany VBZ 28553 3757 20 the the DT 28553 3757 21 uncoiling uncoiling NN 28553 3757 22 of of IN 28553 3757 23 a a DT 28553 3757 24 wound wound VB 28553 3757 25 - - HYPH 28553 3757 26 up up RP 28553 3757 27 spring spring NN 28553 3757 28 . . . 28553 3758 1 Jacob Jacob NNP 28553 3758 2 Zech Zech NNP 28553 3758 3 of of IN 28553 3758 4 Prague Prague NNP 28553 3758 5 overcame overcome VBD 28553 3758 6 the the DT 28553 3758 7 difficulty difficulty NN 28553 3758 8 in in IN 28553 3758 9 1525 1525 CD 28553 3758 10 by by IN 28553 3758 11 the the DT 28553 3758 12 invention invention NN 28553 3758 13 of of IN 28553 3758 14 the the DT 28553 3758 15 _ _ NNP 28553 3758 16 fusee fusee NNP 28553 3758 17 _ _ NNP 28553 3758 18 , , , 28553 3758 19 a a DT 28553 3758 20 kind kind NN 28553 3758 21 of of IN 28553 3758 22 conical conical JJ 28553 3758 23 pulley pulley NN 28553 3758 24 interposed interpose VBN 28553 3758 25 between between IN 28553 3758 26 the the DT 28553 3758 27 barrel barrel NN 28553 3758 28 , , , 28553 3758 29 or or CC 28553 3758 30 circular circular JJ 28553 3758 31 drum drum NN 28553 3758 32 containing contain VBG 28553 3758 33 the the DT 28553 3758 34 mainspring mainspring NN 28553 3758 35 , , , 28553 3758 36 and and CC 28553 3758 37 the the DT 28553 3758 38 train train NN 28553 3758 39 of of IN 28553 3758 40 wheels wheel NNS 28553 3758 41 which which WDT 28553 3758 42 the the DT 28553 3758 43 spring spring NN 28553 3758 44 has have VBZ 28553 3758 45 to to TO 28553 3758 46 drive drive VB 28553 3758 47 . . . 28553 3759 1 The the DT 28553 3759 2 principle principle NN 28553 3759 3 of of IN 28553 3759 4 the the DT 28553 3759 5 " " `` 28553 3759 6 drum drum NNP 28553 3759 7 and and CC 28553 3759 8 fusee fusee VBP 28553 3759 9 " " '' 28553 3759 10 action action NN 28553 3759 11 will will MD 28553 3759 12 be be VB 28553 3759 13 understood understand VBN 28553 3759 14 from from IN 28553 3759 15 Fig Fig NNP 28553 3759 16 . . . 28553 3760 1 201 201 CD 28553 3760 2 . . . 28553 3761 1 The the DT 28553 3761 2 mainspring mainspring NN 28553 3761 3 is be VBZ 28553 3761 4 a a DT 28553 3761 5 long long JJ 28553 3761 6 steel steel NN 28553 3761 7 ribbon ribbon NN 28553 3761 8 fixed fix VBN 28553 3761 9 at at IN 28553 3761 10 one one CD 28553 3761 11 end end NN 28553 3761 12 to to IN 28553 3761 13 an an DT 28553 3761 14 arbor arbor NN 28553 3761 15 ( ( -LRB- 28553 3761 16 the the DT 28553 3761 17 watchmaker watchmaker NNP 28553 3761 18 's 's POS 28553 3761 19 name name NN 28553 3761 20 for for IN 28553 3761 21 a a DT 28553 3761 22 spindle spindle NN 28553 3761 23 or or CC 28553 3761 24 axle axle NN 28553 3761 25 ) ) -RRB- 28553 3761 26 , , , 28553 3761 27 round round IN 28553 3761 28 which which WDT 28553 3761 29 it -PRON- PRP 28553 3761 30 is be VBZ 28553 3761 31 tightly tightly RB 28553 3761 32 wound wind VBN 28553 3761 33 . . . 28553 3762 1 The the DT 28553 3762 2 arbor arbor NN 28553 3762 3 and and CC 28553 3762 4 spring spring NN 28553 3762 5 are be VBP 28553 3762 6 inserted insert VBN 28553 3762 7 in in IN 28553 3762 8 the the DT 28553 3762 9 barrel barrel NN 28553 3762 10 . . . 28553 3763 1 The the DT 28553 3763 2 arbor arbor NN 28553 3763 3 is be VBZ 28553 3763 4 prevented prevent VBN 28553 3763 5 from from IN 28553 3763 6 turning turn VBG 28553 3763 7 by by IN 28553 3763 8 a a DT 28553 3763 9 ratchet ratchet NN 28553 3763 10 , , , 28553 3763 11 B b NN 28553 3763 12 , , , 28553 3763 13 and and CC 28553 3763 14 click click VB 28553 3763 15 , , , 28553 3763 16 and and CC 28553 3763 17 therefore therefore RB 28553 3763 18 the the DT 28553 3763 19 spring spring NN 28553 3763 20 in in IN 28553 3763 21 its -PRON- PRP$ 28553 3763 22 effort effort NN 28553 3763 23 to to IN 28553 3763 24 uncoil uncoil NNP 28553 3763 25 causes cause VBZ 28553 3763 26 the the DT 28553 3763 27 barrel barrel NN 28553 3763 28 to to TO 28553 3763 29 rotate rotate VB 28553 3763 30 . . . 28553 3764 1 [ [ -LRB- 28553 3764 2 Illustration illustration NN 28553 3764 3 : : : 28553 3764 4 FIG FIG NNP 28553 3764 5 . . . 28553 3765 1 201 201 CD 28553 3765 2 . . . 28553 3765 3 ] ] -RRB- 28553 3766 1 A a DT 28553 3766 2 string string NN 28553 3766 3 of of IN 28553 3766 4 catgut catgut NNP 28553 3766 5 ( ( -LRB- 28553 3766 6 or or CC 28553 3766 7 a a DT 28553 3766 8 very very RB 28553 3766 9 fine fine JJ 28553 3766 10 chain chain NN 28553 3766 11 ) ) -RRB- 28553 3766 12 is be VBZ 28553 3766 13 connected connect VBN 28553 3766 14 at at IN 28553 3766 15 one one CD 28553 3766 16 end end NN 28553 3766 17 to to IN 28553 3766 18 the the DT 28553 3766 19 circumference circumference NN 28553 3766 20 of of IN 28553 3766 21 the the DT 28553 3766 22 drum drum NN 28553 3766 23 , , , 28553 3766 24 and and CC 28553 3766 25 wound wind VBN 28553 3766 26 round round IN 28553 3766 27 it -PRON- PRP 28553 3766 28 , , , 28553 3766 29 the the DT 28553 3766 30 other other JJ 28553 3766 31 end end NN 28553 3766 32 being be VBG 28553 3766 33 fixed fix VBN 28553 3766 34 to to IN 28553 3766 35 the the DT 28553 3766 36 larger large JJR 28553 3766 37 end end NN 28553 3766 38 of of IN 28553 3766 39 the the DT 28553 3766 40 fusee fusee NN 28553 3766 41 , , , 28553 3766 42 which which WDT 28553 3766 43 is be VBZ 28553 3766 44 attached attach VBN 28553 3766 45 to to IN 28553 3766 46 the the DT 28553 3766 47 driving driving NN 28553 3766 48 - - HYPH 28553 3766 49 wheel wheel NN 28553 3766 50 of of IN 28553 3766 51 the the DT 28553 3766 52 watch watch NN 28553 3766 53 or or CC 28553 3766 54 clock clock NN 28553 3766 55 by by IN 28553 3766 56 the the DT 28553 3766 57 intervention intervention NN 28553 3766 58 of of IN 28553 3766 59 a a DT 28553 3766 60 ratchet ratchet NNP 28553 3766 61 and and CC 28553 3766 62 click click NN 28553 3766 63 ( ( -LRB- 28553 3766 64 not not RB 28553 3766 65 shown show VBN 28553 3766 66 ) ) -RRB- 28553 3766 67 . . . 28553 3767 1 To to TO 28553 3767 2 wind wind VB 28553 3767 3 the the DT 28553 3767 4 spring spring NN 28553 3767 5 the the DT 28553 3767 6 fusee fusee NN 28553 3767 7 is be VBZ 28553 3767 8 turned turn VBN 28553 3767 9 backward backward RB 28553 3767 10 by by IN 28553 3767 11 means mean NNS 28553 3767 12 of of IN 28553 3767 13 a a DT 28553 3767 14 key key NN 28553 3767 15 applied apply VBN 28553 3767 16 to to IN 28553 3767 17 the the DT 28553 3767 18 square square JJ 28553 3767 19 end end NN 28553 3767 20 A a DT 28553 3767 21 of of IN 28553 3767 22 the the DT 28553 3767 23 fusee fusee NNP 28553 3767 24 arbor arbor NN 28553 3767 25 , , , 28553 3767 26 and and CC 28553 3767 27 this this DT 28553 3767 28 draws draw VBZ 28553 3767 29 the the DT 28553 3767 30 string string NN 28553 3767 31 from from IN 28553 3767 32 off off IN 28553 3767 33 the the DT 28553 3767 34 drum drum NN 28553 3767 35 on on IN 28553 3767 36 to to IN 28553 3767 37 the the DT 28553 3767 38 fusee fusee NN 28553 3767 39 . . . 28553 3768 1 The the DT 28553 3768 2 force force NN 28553 3768 3 of of IN 28553 3768 4 the the DT 28553 3768 5 spring spring NN 28553 3768 6 causes cause VBZ 28553 3768 7 the the DT 28553 3768 8 fusee fusee NN 28553 3768 9 to to TO 28553 3768 10 rotate rotate VB 28553 3768 11 by by IN 28553 3768 12 pulling pull VBG 28553 3768 13 the the DT 28553 3768 14 string string NN 28553 3768 15 off off IN 28553 3768 16 it -PRON- PRP 28553 3768 17 , , , 28553 3768 18 coil coil NN 28553 3768 19 by by IN 28553 3768 20 coil coil NNP 28553 3768 21 , , , 28553 3768 22 and and CC 28553 3768 23 so so RB 28553 3768 24 drives drive VBZ 28553 3768 25 the the DT 28553 3768 26 train train NN 28553 3768 27 of of IN 28553 3768 28 wheels wheel NNS 28553 3768 29 . . . 28553 3769 1 But but CC 28553 3769 2 while while IN 28553 3769 3 the the DT 28553 3769 4 mainspring mainspring NN 28553 3769 5 , , , 28553 3769 6 when when WRB 28553 3769 7 fully fully RB 28553 3769 8 wound wind VBN 28553 3769 9 , , , 28553 3769 10 turns turn VBZ 28553 3769 11 the the DT 28553 3769 12 fusee fusee NN 28553 3769 13 by by IN 28553 3769 14 uncoiling uncoil VBG 28553 3769 15 the the DT 28553 3769 16 string string NN 28553 3769 17 from from IN 28553 3769 18 the the DT 28553 3769 19 smallest small JJS 28553 3769 20 part part NN 28553 3769 21 of of IN 28553 3769 22 the the DT 28553 3769 23 fusee fusee NN 28553 3769 24 , , , 28553 3769 25 it -PRON- PRP 28553 3769 26 gets get VBZ 28553 3769 27 the the DT 28553 3769 28 advantage advantage NN 28553 3769 29 of of IN 28553 3769 30 the the DT 28553 3769 31 larger large JJR 28553 3769 32 radius radius NN 28553 3769 33 as as IN 28553 3769 34 its -PRON- PRP$ 28553 3769 35 energy energy NN 28553 3769 36 becomes become VBZ 28553 3769 37 lessened lessen VBN 28553 3769 38 . . . 28553 3770 1 The the DT 28553 3770 2 fusee fusee NN 28553 3770 3 is be VBZ 28553 3770 4 still still RB 28553 3770 5 used use VBN 28553 3770 6 for for IN 28553 3770 7 marine marine JJ 28553 3770 8 chronometers chronometer NNS 28553 3770 9 , , , 28553 3770 10 for for IN 28553 3770 11 some some DT 28553 3770 12 clocks clock NNS 28553 3770 13 that that WDT 28553 3770 14 have have VBP 28553 3770 15 a a DT 28553 3770 16 mainspring mainspring JJ 28553 3770 17 and and CC 28553 3770 18 pendulum pendulum NN 28553 3770 19 , , , 28553 3770 20 and and CC 28553 3770 21 occasionally occasionally RB 28553 3770 22 for for IN 28553 3770 23 watches watch NNS 28553 3770 24 . . . 28553 3771 1 In in IN 28553 3771 2 the the DT 28553 3771 3 latter latter JJ 28553 3771 4 it -PRON- PRP 28553 3771 5 has have VBZ 28553 3771 6 been be VBN 28553 3771 7 rendered render VBN 28553 3771 8 unnecessary unnecessary JJ 28553 3771 9 by by IN 28553 3771 10 the the DT 28553 3771 11 introduction introduction NN 28553 3771 12 of of IN 28553 3771 13 the the DT 28553 3771 14 _ _ NNP 28553 3771 15 going going NN 28553 3771 16 - - HYPH 28553 3771 17 barrel barrel NN 28553 3771 18 _ _ NNP 28553 3771 19 by by IN 28553 3771 20 Swiss swiss JJ 28553 3771 21 watchmakers watchmaker NNS 28553 3771 22 , , , 28553 3771 23 who who WP 28553 3771 24 formed form VBD 28553 3771 25 teeth tooth NNS 28553 3771 26 on on IN 28553 3771 27 the the DT 28553 3771 28 edge edge NN 28553 3771 29 of of IN 28553 3771 30 the the DT 28553 3771 31 mainspring mainspre VBG 28553 3771 32 barrel barrel NN 28553 3771 33 to to TO 28553 3771 34 drive drive VB 28553 3771 35 the the DT 28553 3771 36 train train NN 28553 3771 37 of of IN 28553 3771 38 wheels wheel NNS 28553 3771 39 . . . 28553 3772 1 This this DT 28553 3772 2 kind kind NN 28553 3772 3 of of IN 28553 3772 4 drum drum NN 28553 3772 5 is be VBZ 28553 3772 6 called call VBN 28553 3772 7 " " `` 28553 3772 8 going go VBG 28553 3772 9 " " '' 28553 3772 10 because because IN 28553 3772 11 it -PRON- PRP 28553 3772 12 drives drive VBZ 28553 3772 13 the the DT 28553 3772 14 watch watch NN 28553 3772 15 during during IN 28553 3772 16 the the DT 28553 3772 17 operation operation NN 28553 3772 18 of of IN 28553 3772 19 winding winding NN 28553 3772 20 , , , 28553 3772 21 which which WDT 28553 3772 22 is be VBZ 28553 3772 23 performed perform VBN 28553 3772 24 by by IN 28553 3772 25 rotating rotate VBG 28553 3772 26 the the DT 28553 3772 27 drum drum NN 28553 3772 28 arbor arbor NN 28553 3772 29 to to TO 28553 3772 30 which which WDT 28553 3772 31 the the DT 28553 3772 32 inner inner JJ 28553 3772 33 end end NN 28553 3772 34 of of IN 28553 3772 35 the the DT 28553 3772 36 spring spring NN 28553 3772 37 is be VBZ 28553 3772 38 attached attach VBN 28553 3772 39 . . . 28553 3773 1 A a DT 28553 3773 2 ratchet ratchet NN 28553 3773 3 prevents prevent VBZ 28553 3773 4 the the DT 28553 3773 5 arbor arbor NN 28553 3773 6 from from IN 28553 3773 7 being be VBG 28553 3773 8 turned turn VBN 28553 3773 9 backwards backwards RB 28553 3773 10 by by IN 28553 3773 11 the the DT 28553 3773 12 spring spring NN 28553 3773 13 . . . 28553 3774 1 The the DT 28553 3774 2 adoption adoption NN 28553 3774 3 of of IN 28553 3774 4 the the DT 28553 3774 5 going going NN 28553 3774 6 - - HYPH 28553 3774 7 barrel barrel NN 28553 3774 8 has have VBZ 28553 3774 9 been be VBN 28553 3774 10 made make VBN 28553 3774 11 satisfactory satisfactory JJ 28553 3774 12 by by IN 28553 3774 13 the the DT 28553 3774 14 improvements improvement NNS 28553 3774 15 in in IN 28553 3774 16 the the DT 28553 3774 17 various various JJ 28553 3774 18 escapement escapement NN 28553 3774 19 actions action NNS 28553 3774 20 . . . 28553 3775 1 THE the DT 28553 3775 2 ESCAPEMENT ESCAPEMENT NNP 28553 3775 3 . . . 28553 3776 1 [ [ -LRB- 28553 3776 2 Illustration illustration NN 28553 3776 3 : : : 28553 3776 4 FIG FIG NNP 28553 3776 5 . . . 28553 3777 1 202 202 CD 28553 3777 2 . . . 28553 3777 3 ] ] -RRB- 28553 3778 1 The the DT 28553 3778 2 spring spring NN 28553 3778 3 or or CC 28553 3778 4 weight weight NN 28553 3778 5 transmits transmit VBZ 28553 3778 6 its -PRON- PRP$ 28553 3778 7 power power NN 28553 3778 8 through through IN 28553 3778 9 a a DT 28553 3778 10 train train NN 28553 3778 11 of of IN 28553 3778 12 cogs cog NNS 28553 3778 13 to to IN 28553 3778 14 the the DT 28553 3778 15 _ _ NNP 28553 3778 16 escapement escapement NN 28553 3778 17 _ _ NNP 28553 3778 18 , , , 28553 3778 19 or or CC 28553 3778 20 device device NN 28553 3778 21 for for IN 28553 3778 22 regulating regulate VBG 28553 3778 23 the the DT 28553 3778 24 rate rate NN 28553 3778 25 at at IN 28553 3778 26 which which WDT 28553 3778 27 the the DT 28553 3778 28 wheels wheel NNS 28553 3778 29 are be VBP 28553 3778 30 to to TO 28553 3778 31 revolve revolve VB 28553 3778 32 . . . 28553 3779 1 In in IN 28553 3779 2 clocks clock NNS 28553 3779 3 a a DT 28553 3779 4 _ _ NNP 28553 3779 5 pendulum pendulum NN 28553 3779 6 _ _ NNP 28553 3779 7 is be VBZ 28553 3779 8 generally generally RB 28553 3779 9 used use VBN 28553 3779 10 as as IN 28553 3779 11 the the DT 28553 3779 12 controlling control VBG 28553 3779 13 agent agent NN 28553 3779 14 . . . 28553 3780 1 Galileo Galileo NNP 28553 3780 2 , , , 28553 3780 3 when when WRB 28553 3780 4 a a DT 28553 3780 5 student student NN 28553 3780 6 at at IN 28553 3780 7 Pisa Pisa NNP 28553 3780 8 , , , 28553 3780 9 noticed notice VBD 28553 3780 10 that that IN 28553 3780 11 certain certain JJ 28553 3780 12 hanging hanging NN 28553 3780 13 lamps lamp NNS 28553 3780 14 in in IN 28553 3780 15 the the DT 28553 3780 16 cathedral cathedral NN 28553 3780 17 there there RB 28553 3780 18 swung swing VBD 28553 3780 19 on on IN 28553 3780 20 their -PRON- PRP$ 28553 3780 21 cords cord NNS 28553 3780 22 at at IN 28553 3780 23 an an DT 28553 3780 24 equal equal JJ 28553 3780 25 rate rate NN 28553 3780 26 ; ; : 28553 3780 27 and and CC 28553 3780 28 on on IN 28553 3780 29 investigation investigation NN 28553 3780 30 he -PRON- PRP 28553 3780 31 discovered discover VBD 28553 3780 32 the the DT 28553 3780 33 principle principle NN 28553 3780 34 that that IN 28553 3780 35 the the DT 28553 3780 36 shorter short JJR 28553 3780 37 a a DT 28553 3780 38 pendulum pendulum NN 28553 3780 39 is be VBZ 28553 3780 40 the the DT 28553 3780 41 more more RBR 28553 3780 42 quickly quickly RB 28553 3780 43 will will MD 28553 3780 44 it -PRON- PRP 28553 3780 45 swing swing VB 28553 3780 46 to to IN 28553 3780 47 and and CC 28553 3780 48 fro fro NNP 28553 3780 49 . . . 28553 3781 1 As as IN 28553 3781 2 has have VBZ 28553 3781 3 already already RB 28553 3781 4 been be VBN 28553 3781 5 observed observe VBN 28553 3781 6 , , , 28553 3781 7 Huygens Huygens NNP 28553 3781 8 first first RB 28553 3781 9 applied apply VBD 28553 3781 10 the the DT 28553 3781 11 principle principle NN 28553 3781 12 to to IN 28553 3781 13 the the DT 28553 3781 14 governing governing NN 28553 3781 15 of of IN 28553 3781 16 clocks clock NNS 28553 3781 17 . . . 28553 3782 1 In in IN 28553 3782 2 Fig Fig NNP 28553 3782 3 . . . 28553 3783 1 202 202 CD 28553 3783 2 we -PRON- PRP 28553 3783 3 have have VBP 28553 3783 4 a a DT 28553 3783 5 simple simple JJ 28553 3783 6 representation representation NN 28553 3783 7 of of IN 28553 3783 8 the the DT 28553 3783 9 " " `` 28553 3783 10 dead dead JJ 28553 3783 11 - - HYPH 28553 3783 12 beat beat JJ 28553 3783 13 " " '' 28553 3783 14 escapement escapement NN 28553 3783 15 commonly commonly RB 28553 3783 16 used use VBN 28553 3783 17 in in IN 28553 3783 18 clocks clock NNS 28553 3783 19 . . . 28553 3784 1 The the DT 28553 3784 2 escape escape NN 28553 3784 3 - - HYPH 28553 3784 4 wheel wheel NN 28553 3784 5 is be VBZ 28553 3784 6 mounted mount VBN 28553 3784 7 on on IN 28553 3784 8 the the DT 28553 3784 9 shaft shaft NN 28553 3784 10 of of IN 28553 3784 11 the the DT 28553 3784 12 last last JJ 28553 3784 13 cog cog NN 28553 3784 14 of of IN 28553 3784 15 the the DT 28553 3784 16 driving driving NN 28553 3784 17 train train NN 28553 3784 18 , , , 28553 3784 19 the the DT 28553 3784 20 pallet pallet NN 28553 3784 21 on on IN 28553 3784 22 a a DT 28553 3784 23 spindle spindle NN 28553 3784 24 from from IN 28553 3784 25 which which WDT 28553 3784 26 depends depend VBZ 28553 3784 27 a a DT 28553 3784 28 split split JJ 28553 3784 29 arm arm NN 28553 3784 30 embracing embrace VBG 28553 3784 31 the the DT 28553 3784 32 rod rod NN 28553 3784 33 and and CC 28553 3784 34 the the DT 28553 3784 35 pendulum pendulum NN 28553 3784 36 . . . 28553 3785 1 We -PRON- PRP 28553 3785 2 must must MD 28553 3785 3 be be VB 28553 3785 4 careful careful JJ 28553 3785 5 to to TO 28553 3785 6 note note VB 28553 3785 7 that that IN 28553 3785 8 the the DT 28553 3785 9 pendulum pendulum NN 28553 3785 10 _ _ NNP 28553 3785 11 controls control VBZ 28553 3785 12 _ _ NNP 28553 3785 13 motion motion NN 28553 3785 14 only only RB 28553 3785 15 ; ; : 28553 3785 16 it -PRON- PRP 28553 3785 17 does do VBZ 28553 3785 18 not not RB 28553 3785 19 cause cause VB 28553 3785 20 movement movement NN 28553 3785 21 . . . 28553 3786 1 The the DT 28553 3786 2 escape escape NN 28553 3786 3 - - HYPH 28553 3786 4 wheel wheel NN 28553 3786 5 revolves revolve NNS 28553 3786 6 in in IN 28553 3786 7 a a DT 28553 3786 8 clockwise clockwise JJ 28553 3786 9 direction direction NN 28553 3786 10 . . . 28553 3787 1 The the DT 28553 3787 2 two two CD 28553 3787 3 pallets pallet NNS 28553 3787 4 _ _ IN 28553 3787 5 a a DT 28553 3787 6 _ _ NNP 28553 3787 7 and and CC 28553 3787 8 _ _ NNP 28553 3787 9 b b NNP 28553 3787 10 _ _ NNP 28553 3787 11 are be VBP 28553 3787 12 so so RB 28553 3787 13 designed design VBN 28553 3787 14 that that IN 28553 3787 15 only only RB 28553 3787 16 one one PRP 28553 3787 17 can can MD 28553 3787 18 rest rest VB 28553 3787 19 on on IN 28553 3787 20 the the DT 28553 3787 21 teeth tooth NNS 28553 3787 22 at at IN 28553 3787 23 one one CD 28553 3787 24 time time NN 28553 3787 25 . . . 28553 3788 1 In in IN 28553 3788 2 the the DT 28553 3788 3 sketch sketch NN 28553 3788 4 the the DT 28553 3788 5 sloping sloping NN 28553 3788 6 end end NN 28553 3788 7 of of IN 28553 3788 8 _ _ NNP 28553 3788 9 b b NNP 28553 3788 10 _ _ NNP 28553 3788 11 has have VBZ 28553 3788 12 just just RB 28553 3788 13 been be VBN 28553 3788 14 forced force VBN 28553 3788 15 upwards upwards RB 28553 3788 16 by by IN 28553 3788 17 the the DT 28553 3788 18 pressure pressure NN 28553 3788 19 of of IN 28553 3788 20 a a DT 28553 3788 21 tooth tooth NN 28553 3788 22 . . . 28553 3789 1 This this DT 28553 3789 2 swings swing VBZ 28553 3789 3 the the DT 28553 3789 4 pallet pallet NN 28553 3789 5 and and CC 28553 3789 6 the the DT 28553 3789 7 pendulum pendulum NN 28553 3789 8 . . . 28553 3790 1 The the DT 28553 3790 2 momentum momentum NN 28553 3790 3 of of IN 28553 3790 4 the the DT 28553 3790 5 latter latter JJ 28553 3790 6 causes cause NNS 28553 3790 7 _ _ NNP 28553 3790 8 a a DT 28553 3790 9 _ _ NNP 28553 3790 10 to to TO 28553 3790 11 descend descend VB 28553 3790 12 , , , 28553 3790 13 and and CC 28553 3790 14 at at IN 28553 3790 15 the the DT 28553 3790 16 instant instant NN 28553 3790 17 when when WRB 28553 3790 18 _ _ NNP 28553 3790 19 b b NNP 28553 3790 20 _ _ NNP 28553 3790 21 clears clear VBZ 28553 3790 22 its -PRON- PRP$ 28553 3790 23 tooth tooth NN 28553 3790 24 _ _ NNP 28553 3790 25 a a DT 28553 3790 26 _ _ NNP 28553 3790 27 catches catch NNS 28553 3790 28 and and CC 28553 3790 29 holds hold VBZ 28553 3790 30 another another DT 28553 3790 31 . . . 28553 3791 1 The the DT 28553 3791 2 left left JJ 28553 3791 3 - - HYPH 28553 3791 4 hand hand NN 28553 3791 5 side side NN 28553 3791 6 of of IN 28553 3791 7 _ _ NNP 28553 3791 8 a a DT 28553 3791 9 _ _ NNP 28553 3791 10 , , , 28553 3791 11 called call VBN 28553 3791 12 the the DT 28553 3791 13 _ _ NNP 28553 3791 14 locking locking NN 28553 3791 15 - - HYPH 28553 3791 16 face face NN 28553 3791 17 _ _ NNP 28553 3791 18 , , , 28553 3791 19 is be VBZ 28553 3791 20 part part NN 28553 3791 21 of of IN 28553 3791 22 a a DT 28553 3791 23 circle circle NN 28553 3791 24 , , , 28553 3791 25 so so IN 28553 3791 26 that that IN 28553 3791 27 the the DT 28553 3791 28 escape escape NN 28553 3791 29 - - HYPH 28553 3791 30 wheel wheel NN 28553 3791 31 is be VBZ 28553 3791 32 held hold VBN 28553 3791 33 motionless motionless RB 28553 3791 34 as as RB 28553 3791 35 long long RB 28553 3791 36 as as IN 28553 3791 37 it -PRON- PRP 28553 3791 38 touches touch VBZ 28553 3791 39 _ _ NNP 28553 3791 40 a a DT 28553 3791 41 _ _ NNP 28553 3791 42 : : : 28553 3791 43 hence hence RB 28553 3791 44 the the DT 28553 3791 45 term term NN 28553 3791 46 , , , 28553 3791 47 " " `` 28553 3791 48 dead dead JJ 28553 3791 49 beat"--that beat"--that NNP 28553 3791 50 is be VBZ 28553 3791 51 , , , 28553 3791 52 brought bring VBN 28553 3791 53 to to IN 28553 3791 54 a a DT 28553 3791 55 dead dead JJ 28553 3791 56 stop stop NN 28553 3791 57 . . . 28553 3792 1 As as IN 28553 3792 2 the the DT 28553 3792 3 pendulum pendulum NN 28553 3792 4 swings swing VBZ 28553 3792 5 back back RB 28553 3792 6 , , , 28553 3792 7 to to IN 28553 3792 8 the the DT 28553 3792 9 left left NN 28553 3792 10 , , , 28553 3792 11 under under IN 28553 3792 12 the the DT 28553 3792 13 influence influence NN 28553 3792 14 of of IN 28553 3792 15 gravity gravity NN 28553 3792 16 , , , 28553 3792 17 _ _ NNP 28553 3792 18 a a DT 28553 3792 19 _ _ NNP 28553 3792 20 is be VBZ 28553 3792 21 raised raise VBN 28553 3792 22 and and CC 28553 3792 23 frees free VBZ 28553 3792 24 the the DT 28553 3792 25 tooth tooth NN 28553 3792 26 . . . 28553 3793 1 The the DT 28553 3793 2 wheel wheel NN 28553 3793 3 jerks jerk VBZ 28553 3793 4 round round RB 28553 3793 5 , , , 28553 3793 6 and and CC 28553 3793 7 another another DT 28553 3793 8 tooth tooth NN 28553 3793 9 is be VBZ 28553 3793 10 caught catch VBN 28553 3793 11 by by IN 28553 3793 12 the the DT 28553 3793 13 locking locking NN 28553 3793 14 - - HYPH 28553 3793 15 face face NN 28553 3793 16 of of IN 28553 3793 17 _ _ NNP 28553 3793 18 b b NNP 28553 3793 19 _ _ NNP 28553 3793 20 . . . 28553 3794 1 Again again RB 28553 3794 2 the the DT 28553 3794 3 pendulum pendulum NN 28553 3794 4 swings swing VBZ 28553 3794 5 to to IN 28553 3794 6 the the DT 28553 3794 7 right right NN 28553 3794 8 , , , 28553 3794 9 and and CC 28553 3794 10 the the DT 28553 3794 11 sloping sloping NN 28553 3794 12 end end NN 28553 3794 13 of of IN 28553 3794 14 _ _ NNP 28553 3794 15 b b NNP 28553 3794 16 _ _ NNP 28553 3794 17 is be VBZ 28553 3794 18 pushed push VBN 28553 3794 19 up up RP 28553 3794 20 once once RB 28553 3794 21 more more RBR 28553 3794 22 , , , 28553 3794 23 giving give VBG 28553 3794 24 the the DT 28553 3794 25 pendulum pendulum NN 28553 3794 26 fresh fresh JJ 28553 3794 27 impetus impetus NN 28553 3794 28 . . . 28553 3795 1 This this DT 28553 3795 2 process process NN 28553 3795 3 repeats repeat VBZ 28553 3795 4 itself -PRON- PRP 28553 3795 5 as as RB 28553 3795 6 long long RB 28553 3795 7 as as IN 28553 3795 8 the the DT 28553 3795 9 driving drive VBG 28553 3795 10 power power NN 28553 3795 11 lasts last VBZ 28553 3795 12 -- -- : 28553 3795 13 for for IN 28553 3795 14 weeks week NNS 28553 3795 15 , , , 28553 3795 16 months month NNS 28553 3795 17 , , , 28553 3795 18 or or CC 28553 3795 19 years year NNS 28553 3795 20 , , , 28553 3795 21 as as IN 28553 3795 22 the the DT 28553 3795 23 case case NN 28553 3795 24 may may MD 28553 3795 25 be be VB 28553 3795 26 , , , 28553 3795 27 and and CC 28553 3795 28 the the DT 28553 3795 29 mechanism mechanism NN 28553 3795 30 continues continue VBZ 28553 3795 31 to to TO 28553 3795 32 be be VB 28553 3795 33 in in IN 28553 3795 34 good good JJ 28553 3795 35 working working NN 28553 3795 36 order order NN 28553 3795 37 . . . 28553 3796 1 COMPENSATING COMPENSATING NNP 28553 3796 2 PENDULUMS PENDULUMS NNP 28553 3796 3 . . . 28553 3797 1 Metal metal NN 28553 3797 2 expands expand VBZ 28553 3797 3 when when WRB 28553 3797 4 heated heat VBN 28553 3797 5 ; ; : 28553 3797 6 therefore therefore RB 28553 3797 7 a a DT 28553 3797 8 steel steel NN 28553 3797 9 pendulum pendulum NN 28553 3797 10 which which WDT 28553 3797 11 is be VBZ 28553 3797 12 of of IN 28553 3797 13 the the DT 28553 3797 14 exact exact JJ 28553 3797 15 length length NN 28553 3797 16 to to TO 28553 3797 17 govern govern VB 28553 3797 18 a a DT 28553 3797 19 clock clock NN 28553 3797 20 correctly correctly RB 28553 3797 21 at at IN 28553 3797 22 a a DT 28553 3797 23 temperature temperature NN 28553 3797 24 of of IN 28553 3797 25 60 60 CD 28553 3797 26 ° ° NNS 28553 3797 27 would would MD 28553 3797 28 become become VB 28553 3797 29 too too RB 28553 3797 30 long long RB 28553 3797 31 at at IN 28553 3797 32 80 80 CD 28553 3797 33 ° ° NNS 28553 3797 34 , , , 28553 3797 35 and and CC 28553 3797 36 slow slow VB 28553 3797 37 the the DT 28553 3797 38 clock clock NN 28553 3797 39 , , , 28553 3797 40 and and CC 28553 3797 41 too too RB 28553 3797 42 short short JJ 28553 3797 43 at at IN 28553 3797 44 40 40 CD 28553 3797 45 ° ° NNS 28553 3797 46 , , , 28553 3797 47 and and CC 28553 3797 48 cause cause VB 28553 3797 49 it -PRON- PRP 28553 3797 50 to to TO 28553 3797 51 gain gain VB 28553 3797 52 . . . 28553 3798 1 In in IN 28553 3798 2 common common JJ 28553 3798 3 clocks clock NNS 28553 3798 4 the the DT 28553 3798 5 pendulum pendulum NN 28553 3798 6 rod rod NN 28553 3798 7 is be VBZ 28553 3798 8 often often RB 28553 3798 9 made make VBN 28553 3798 10 of of IN 28553 3798 11 wood wood NN 28553 3798 12 , , , 28553 3798 13 which which WDT 28553 3798 14 maintains maintain VBZ 28553 3798 15 an an DT 28553 3798 16 almost almost RB 28553 3798 17 constant constant JJ 28553 3798 18 length length NN 28553 3798 19 at at IN 28553 3798 20 all all DT 28553 3798 21 ordinary ordinary JJ 28553 3798 22 temperatures temperature NNS 28553 3798 23 . . . 28553 3799 1 But but CC 28553 3799 2 for for IN 28553 3799 3 very very RB 28553 3799 4 accurate accurate JJ 28553 3799 5 clocks clock NNS 28553 3799 6 something something NN 28553 3799 7 more more RBR 28553 3799 8 efficient efficient JJ 28553 3799 9 is be VBZ 28553 3799 10 required require VBN 28553 3799 11 . . . 28553 3800 1 Graham Graham NNP 28553 3800 2 , , , 28553 3800 3 the the DT 28553 3800 4 partner partner NN 28553 3800 5 of of IN 28553 3800 6 Thomas Thomas NNP 28553 3800 7 Tompion Tompion NNP 28553 3800 8 , , , 28553 3800 9 took take VBD 28553 3800 10 advantage advantage NN 28553 3800 11 of of IN 28553 3800 12 the the DT 28553 3800 13 fact fact NN 28553 3800 14 that that IN 28553 3800 15 different different JJ 28553 3800 16 kinds kind NNS 28553 3800 17 of of IN 28553 3800 18 metal metal NN 28553 3800 19 have have VBP 28553 3800 20 different different JJ 28553 3800 21 ratios ratio NNS 28553 3800 22 of of IN 28553 3800 23 expansion expansion NN 28553 3800 24 to to TO 28553 3800 25 produce produce VB 28553 3800 26 a a DT 28553 3800 27 _ _ NNP 28553 3800 28 self self NN 28553 3800 29 - - HYPH 28553 3800 30 compensating compensate VBG 28553 3800 31 _ _ NNP 28553 3800 32 pendulum pendulum NN 28553 3800 33 on on IN 28553 3800 34 the the DT 28553 3800 35 principle principle NN 28553 3800 36 illustrated illustrate VBN 28553 3800 37 by by IN 28553 3800 38 Fig Fig NNP 28553 3800 39 . . . 28553 3801 1 203 203 CD 28553 3801 2 . . . 28553 3802 1 He -PRON- PRP 28553 3802 2 used use VBD 28553 3802 3 steel steel NN 28553 3802 4 for for IN 28553 3802 5 the the DT 28553 3802 6 rod rod NN 28553 3802 7 , , , 28553 3802 8 and and CC 28553 3802 9 formed form VBD 28553 3802 10 the the DT 28553 3802 11 _ _ NNP 28553 3802 12 bob bob NNP 28553 3802 13 _ _ NNP 28553 3802 14 , , , 28553 3802 15 or or CC 28553 3802 16 weighted weighted JJ 28553 3802 17 end end NN 28553 3802 18 , , , 28553 3802 19 of of IN 28553 3802 20 a a DT 28553 3802 21 glass glass NN 28553 3802 22 jar jar NN 28553 3802 23 containing contain VBG 28553 3802 24 mercury mercury NN 28553 3802 25 held hold VBN 28553 3802 26 in in IN 28553 3802 27 a a DT 28553 3802 28 stirrup stirrup NN 28553 3802 29 ; ; : 28553 3802 30 the the DT 28553 3802 31 mercury mercury NN 28553 3802 32 being be VBG 28553 3802 33 of of IN 28553 3802 34 such such PDT 28553 3802 35 a a DT 28553 3802 36 height height NN 28553 3802 37 that that WDT 28553 3802 38 , , , 28553 3802 39 as as IN 28553 3802 40 the the DT 28553 3802 41 pendulum pendulum NN 28553 3802 42 rod rod NN 28553 3802 43 lengthened lengthen VBN 28553 3802 44 with with IN 28553 3802 45 a a DT 28553 3802 46 rise rise NN 28553 3802 47 of of IN 28553 3802 48 temperature temperature NN 28553 3802 49 , , , 28553 3802 50 the the DT 28553 3802 51 mercury mercury NN 28553 3802 52 expanded expand VBD 28553 3802 53 _ _ NNP 28553 3802 54 upwards upwards JJ 28553 3802 55 _ _ NNP 28553 3802 56 sufficiently sufficiently RB 28553 3802 57 to to TO 28553 3802 58 keep keep VB 28553 3802 59 the the DT 28553 3802 60 distance distance NN 28553 3802 61 between between IN 28553 3802 62 the the DT 28553 3802 63 point point NN 28553 3802 64 of of IN 28553 3802 65 suspension suspension NN 28553 3802 66 and and CC 28553 3802 67 the the DT 28553 3802 68 centre centre NN 28553 3802 69 of of IN 28553 3802 70 gravity gravity NN 28553 3802 71 of of IN 28553 3802 72 the the DT 28553 3802 73 bob bob NNP 28553 3802 74 always always RB 28553 3802 75 the the DT 28553 3802 76 same same JJ 28553 3802 77 . . . 28553 3803 1 With with IN 28553 3803 2 a a DT 28553 3803 3 fall fall NN 28553 3803 4 of of IN 28553 3803 5 temperature temperature NN 28553 3803 6 the the DT 28553 3803 7 rod rod NN 28553 3803 8 shortened shorten VBN 28553 3803 9 , , , 28553 3803 10 while while IN 28553 3803 11 the the DT 28553 3803 12 mercury mercury NN 28553 3803 13 sank sink VBD 28553 3803 14 in in IN 28553 3803 15 the the DT 28553 3803 16 jar jar NN 28553 3803 17 . . . 28553 3804 1 This this DT 28553 3804 2 device device NN 28553 3804 3 has have VBZ 28553 3804 4 not not RB 28553 3804 5 been be VBN 28553 3804 6 improved improve VBN 28553 3804 7 upon upon IN 28553 3804 8 , , , 28553 3804 9 and and CC 28553 3804 10 is be VBZ 28553 3804 11 still still RB 28553 3804 12 used use VBN 28553 3804 13 in in IN 28553 3804 14 observatories observatory NNS 28553 3804 15 and and CC 28553 3804 16 other other JJ 28553 3804 17 places place NNS 28553 3804 18 where where WRB 28553 3804 19 timekeepers timekeeper NNS 28553 3804 20 of of IN 28553 3804 21 extreme extreme JJ 28553 3804 22 precision precision NN 28553 3804 23 are be VBP 28553 3804 24 required require VBN 28553 3804 25 . . . 28553 3805 1 The the DT 28553 3805 2 milled milled JJ 28553 3805 3 nut nut NNP 28553 3805 4 S S NNP 28553 3805 5 in in IN 28553 3805 6 Fig Fig NNP 28553 3805 7 . . . 28553 3806 1 203 203 CD 28553 3806 2 is be VBZ 28553 3806 3 fitted fit VBN 28553 3806 4 at at IN 28553 3806 5 the the DT 28553 3806 6 end end NN 28553 3806 7 of of IN 28553 3806 8 the the DT 28553 3806 9 pendulum pendulum NN 28553 3806 10 rod rod NN 28553 3806 11 to to TO 28553 3806 12 permit permit VB 28553 3806 13 the the DT 28553 3806 14 exact exact JJ 28553 3806 15 adjustment adjustment NN 28553 3806 16 of of IN 28553 3806 17 the the DT 28553 3806 18 pendulum pendulum NN 28553 3806 19 's 's POS 28553 3806 20 length length NN 28553 3806 21 . . . 28553 3807 1 For for IN 28553 3807 2 watches watch NNS 28553 3807 3 , , , 28553 3807 4 chronometers chronometer NNS 28553 3807 5 , , , 28553 3807 6 and and CC 28553 3807 7 small small JJ 28553 3807 8 clocks clock NNS 28553 3807 9 THE the DT 28553 3807 10 SPRING SPRING NNP 28553 3807 11 BALANCE BALANCE NNP 28553 3807 12 takes take VBZ 28553 3807 13 the the DT 28553 3807 14 place place NN 28553 3807 15 of of IN 28553 3807 16 the the DT 28553 3807 17 pendulum pendulum NN 28553 3807 18 . . . 28553 3808 1 We -PRON- PRP 28553 3808 2 still still RB 28553 3808 3 have have VBP 28553 3808 4 an an DT 28553 3808 5 escape escape NN 28553 3808 6 - - HYPH 28553 3808 7 wheel wheel NN 28553 3808 8 with with IN 28553 3808 9 teeth tooth NNS 28553 3808 10 of of IN 28553 3808 11 a a DT 28553 3808 12 suitable suitable JJ 28553 3808 13 shape shape NN 28553 3808 14 to to TO 28553 3808 15 give give VB 28553 3808 16 impulses impulse NNS 28553 3808 17 to to IN 28553 3808 18 the the DT 28553 3808 19 controlling control VBG 28553 3808 20 agent agent NN 28553 3808 21 . . . 28553 3809 1 There there EX 28553 3809 2 are be VBP 28553 3809 3 two two CD 28553 3809 4 forms form NNS 28553 3809 5 of of IN 28553 3809 6 spring spring NN 28553 3809 7 escapement escapement NN 28553 3809 8 , , , 28553 3809 9 but but CC 28553 3809 10 as as IN 28553 3809 11 both both DT 28553 3809 12 employ employ VBP 28553 3809 13 a a DT 28553 3809 14 hairspring hairspring NN 28553 3809 15 and and CC 28553 3809 16 balance balance NN 28553 3809 17 - - HYPH 28553 3809 18 wheel wheel NN 28553 3809 19 we -PRON- PRP 28553 3809 20 will will MD 28553 3809 21 glance glance VB 28553 3809 22 at at IN 28553 3809 23 these these DT 28553 3809 24 before before IN 28553 3809 25 going go VBG 28553 3809 26 further further RB 28553 3809 27 . . . 28553 3810 1 [ [ -LRB- 28553 3810 2 Illustration illustration NN 28553 3810 3 : : : 28553 3810 4 FIG FIG NNP 28553 3810 5 . . . 28553 3811 1 203 203 CD 28553 3811 2 . . . 28553 3811 3 ] ] -RRB- 28553 3812 1 The the DT 28553 3812 2 _ _ NNP 28553 3812 3 hairspring hairspring NN 28553 3812 4 _ _ NNP 28553 3812 5 is be VBZ 28553 3812 6 made make VBN 28553 3812 7 of of IN 28553 3812 8 very very RB 28553 3812 9 fine fine JJ 28553 3812 10 steel steel NN 28553 3812 11 ribbon ribbon NN 28553 3812 12 , , , 28553 3812 13 tempered temper VBN 28553 3812 14 to to IN 28553 3812 15 extreme extreme JJ 28553 3812 16 elasticity elasticity NN 28553 3812 17 , , , 28553 3812 18 and and CC 28553 3812 19 shaped shape VBN 28553 3812 20 to to IN 28553 3812 21 a a DT 28553 3812 22 spiral spiral NN 28553 3812 23 . . . 28553 3813 1 The the DT 28553 3813 2 inner inner JJ 28553 3813 3 end end NN 28553 3813 4 is be VBZ 28553 3813 5 attached attach VBN 28553 3813 6 to to IN 28553 3813 7 the the DT 28553 3813 8 arbor arbor NN 28553 3813 9 of of IN 28553 3813 10 the the DT 28553 3813 11 _ _ NNP 28553 3813 12 balance balance NN 28553 3813 13 - - HYPH 28553 3813 14 wheel wheel NN 28553 3813 15 _ _ NNP 28553 3813 16 , , , 28553 3813 17 the the DT 28553 3813 18 outer outer JJ 28553 3813 19 end end NN 28553 3813 20 to to IN 28553 3813 21 a a DT 28553 3813 22 stud stud NN 28553 3813 23 projecting project VBG 28553 3813 24 from from IN 28553 3813 25 the the DT 28553 3813 26 plate plate NN 28553 3813 27 of of IN 28553 3813 28 the the DT 28553 3813 29 watch watch NN 28553 3813 30 . . . 28553 3814 1 When when WRB 28553 3814 2 the the DT 28553 3814 3 balance balance NN 28553 3814 4 - - HYPH 28553 3814 5 wheel wheel NN 28553 3814 6 , , , 28553 3814 7 impelled impel VBN 28553 3814 8 by by IN 28553 3814 9 the the DT 28553 3814 10 escapement escapement NN 28553 3814 11 , , , 28553 3814 12 rotates rotate NNS 28553 3814 13 , , , 28553 3814 14 it -PRON- PRP 28553 3814 15 winds wind VBZ 28553 3814 16 up up RP 28553 3814 17 the the DT 28553 3814 18 spring spring NN 28553 3814 19 . . . 28553 3815 1 The the DT 28553 3815 2 energy energy NN 28553 3815 3 thus thus RB 28553 3815 4 stored store VBD 28553 3815 5 helps help VBZ 28553 3815 6 the the DT 28553 3815 7 wheel wheel NN 28553 3815 8 to to TO 28553 3815 9 revolve revolve VB 28553 3815 10 the the DT 28553 3815 11 other other JJ 28553 3815 12 way way NN 28553 3815 13 during during IN 28553 3815 14 the the DT 28553 3815 15 locking locking NN 28553 3815 16 of of IN 28553 3815 17 a a DT 28553 3815 18 tooth tooth NN 28553 3815 19 of of IN 28553 3815 20 the the DT 28553 3815 21 escape escape NN 28553 3815 22 - - HYPH 28553 3815 23 wheel wheel NN 28553 3815 24 . . . 28553 3816 1 The the DT 28553 3816 2 time time NN 28553 3816 3 occupied occupy VBN 28553 3816 4 by by IN 28553 3816 5 the the DT 28553 3816 6 winding winding NN 28553 3816 7 and and CC 28553 3816 8 the the DT 28553 3816 9 unwinding unwinding NN 28553 3816 10 depends depend VBZ 28553 3816 11 upon upon IN 28553 3816 12 the the DT 28553 3816 13 length length NN 28553 3816 14 of of IN 28553 3816 15 the the DT 28553 3816 16 spring spring NN 28553 3816 17 . . . 28553 3817 1 The the DT 28553 3817 2 strength strength NN 28553 3817 3 of of IN 28553 3817 4 the the DT 28553 3817 5 impulse impulse NN 28553 3817 6 makes make VBZ 28553 3817 7 no no DT 28553 3817 8 difference difference NN 28553 3817 9 . . . 28553 3818 1 A a DT 28553 3818 2 strong strong JJ 28553 3818 3 impulse impulse NN 28553 3818 4 causes cause VBZ 28553 3818 5 the the DT 28553 3818 6 spring spring NN 28553 3818 7 to to TO 28553 3818 8 coil coil VB 28553 3818 9 itself -PRON- PRP 28553 3818 10 up up RP 28553 3818 11 more more RBR 28553 3818 12 than than IN 28553 3818 13 a a DT 28553 3818 14 weak weak JJ 28553 3818 15 impulse impulse NN 28553 3818 16 would would MD 28553 3818 17 ; ; : 28553 3818 18 but but CC 28553 3818 19 inasmuch inasmuch VB 28553 3818 20 as as IN 28553 3818 21 more more JJR 28553 3818 22 energy energy NN 28553 3818 23 is be VBZ 28553 3818 24 stored store VBN 28553 3818 25 the the DT 28553 3818 26 process process NN 28553 3818 27 of of IN 28553 3818 28 unwinding unwind VBG 28553 3818 29 is be VBZ 28553 3818 30 hastened hasten VBN 28553 3818 31 . . . 28553 3819 1 To to TO 28553 3819 2 put put VB 28553 3819 3 the the DT 28553 3819 4 matter matter NN 28553 3819 5 very very RB 28553 3819 6 simply simply RB 28553 3819 7 -- -- : 28553 3819 8 a a DT 28553 3819 9 strong strong JJ 28553 3819 10 impulse impulse NN 28553 3819 11 moves move VBZ 28553 3819 12 the the DT 28553 3819 13 balance balance NN 28553 3819 14 - - HYPH 28553 3819 15 wheel wheel NN 28553 3819 16 further far RBR 28553 3819 17 , , , 28553 3819 18 but but CC 28553 3819 19 rotates rotate VBZ 28553 3819 20 it -PRON- PRP 28553 3819 21 quickly quickly RB 28553 3819 22 ; ; : 28553 3819 23 a a DT 28553 3819 24 weak weak JJ 28553 3819 25 impulse impulse NN 28553 3819 26 moves move VBZ 28553 3819 27 it -PRON- PRP 28553 3819 28 a a DT 28553 3819 29 shorter short JJR 28553 3819 30 distance distance NN 28553 3819 31 , , , 28553 3819 32 but but CC 28553 3819 33 rotates rotate VBZ 28553 3819 34 it -PRON- PRP 28553 3819 35 slowly slowly RB 28553 3819 36 . . . 28553 3820 1 In in IN 28553 3820 2 fact fact NN 28553 3820 3 , , , 28553 3820 4 the the DT 28553 3820 5 principle principle NN 28553 3820 6 of of IN 28553 3820 7 the the DT 28553 3820 8 pendulum pendulum NN 28553 3820 9 is be VBZ 28553 3820 10 also also RB 28553 3820 11 that that DT 28553 3820 12 of of IN 28553 3820 13 the the DT 28553 3820 14 hairspring hairspring NN 28553 3820 15 ; ; : 28553 3820 16 and and CC 28553 3820 17 the the DT 28553 3820 18 duration duration NN 28553 3820 19 of of IN 28553 3820 20 a a DT 28553 3820 21 vibration vibration NN 28553 3820 22 depends depend VBZ 28553 3820 23 on on IN 28553 3820 24 the the DT 28553 3820 25 length length NN 28553 3820 26 of of IN 28553 3820 27 the the DT 28553 3820 28 rod rod NN 28553 3820 29 in in IN 28553 3820 30 the the DT 28553 3820 31 one one CD 28553 3820 32 case case NN 28553 3820 33 , , , 28553 3820 34 and and CC 28553 3820 35 of of IN 28553 3820 36 the the DT 28553 3820 37 spring spring NN 28553 3820 38 in in IN 28553 3820 39 the the DT 28553 3820 40 other other JJ 28553 3820 41 . . . 28553 3821 1 Motion motion NN 28553 3821 2 is be VBZ 28553 3821 3 transmitted transmit VBN 28553 3821 4 to to IN 28553 3821 5 the the DT 28553 3821 6 balance balance NN 28553 3821 7 by by IN 28553 3821 8 one one CD 28553 3821 9 of of IN 28553 3821 10 two two CD 28553 3821 11 methods method NNS 28553 3821 12 . . . 28553 3822 1 Either either CC 28553 3822 2 ( ( -LRB- 28553 3822 3 1 1 LS 28553 3822 4 ) ) -RRB- 28553 3822 5 directly directly RB 28553 3822 6 , , , 28553 3822 7 by by IN 28553 3822 8 a a DT 28553 3822 9 cylinder cylinder NN 28553 3822 10 escapement escapement NN 28553 3822 11 ; ; : 28553 3822 12 or or CC 28553 3822 13 ( ( -LRB- 28553 3822 14 2 2 LS 28553 3822 15 ) ) -RRB- 28553 3822 16 indirectly indirectly RB 28553 3822 17 , , , 28553 3822 18 through through IN 28553 3822 19 a a DT 28553 3822 20 lever lever NN 28553 3822 21 . . . 28553 3823 1 [ [ -LRB- 28553 3823 2 Illustration illustration NN 28553 3823 3 : : : 28553 3823 4 FIG FIG NNP 28553 3823 5 . . . 28553 3824 1 204.--"Cylinder 204.--"cylinder CD 28553 3824 2 " " `` 28553 3824 3 watch watch NN 28553 3824 4 escapement escapement NN 28553 3824 5 . . . 28553 3824 6 ] ] -RRB- 28553 3825 1 THE the DT 28553 3825 2 CYLINDER CYLINDER NNP 28553 3825 3 ESCAPEMENT ESCAPEMENT NNP 28553 3825 4 is be VBZ 28553 3825 5 seen see VBN 28553 3825 6 in in IN 28553 3825 7 Fig Fig NNP 28553 3825 8 . . . 28553 3826 1 204 204 CD 28553 3826 2 . . . 28553 3827 1 The the DT 28553 3827 2 escape escape NN 28553 3827 3 - - HYPH 28553 3827 4 wheel wheel NN 28553 3827 5 has have VBZ 28553 3827 6 sharp sharp JJ 28553 3827 7 teeth tooth NNS 28553 3827 8 set set VBN 28553 3827 9 on on IN 28553 3827 10 stalks stalk NNS 28553 3827 11 . . . 28553 3828 1 ( ( -LRB- 28553 3828 2 One one CD 28553 3828 3 tooth tooth NN 28553 3828 4 is be VBZ 28553 3828 5 removed remove VBN 28553 3828 6 to to TO 28553 3828 7 show show VB 28553 3828 8 the the DT 28553 3828 9 stalk stalk NN 28553 3828 10 . . . 28553 3828 11 ) ) -RRB- 28553 3829 1 The the DT 28553 3829 2 balance balance NN 28553 3829 3 - - HYPH 28553 3829 4 wheel wheel NN 28553 3829 5 is be VBZ 28553 3829 6 mounted mount VBN 28553 3829 7 on on IN 28553 3829 8 a a DT 28553 3829 9 small small JJ 28553 3829 10 steel steel NN 28553 3829 11 cylinder cylinder NN 28553 3829 12 , , , 28553 3829 13 with with IN 28553 3829 14 part part NN 28553 3829 15 of of IN 28553 3829 16 the the DT 28553 3829 17 circumference circumference NN 28553 3829 18 cut cut VBN 28553 3829 19 away away RP 28553 3829 20 at at IN 28553 3829 21 the the DT 28553 3829 22 level level NN 28553 3829 23 of of IN 28553 3829 24 the the DT 28553 3829 25 teeth tooth NNS 28553 3829 26 , , , 28553 3829 27 so so IN 28553 3829 28 that that IN 28553 3829 29 if if IN 28553 3829 30 seen see VBN 28553 3829 31 from from IN 28553 3829 32 above above IN 28553 3829 33 it -PRON- PRP 28553 3829 34 would would MD 28553 3829 35 appear appear VB 28553 3829 36 like like IN 28553 3829 37 _ _ NNP 28553 3829 38 a a DT 28553 3829 39 _ _ NNP 28553 3829 40 in in IN 28553 3829 41 our -PRON- PRP$ 28553 3829 42 illustration illustration NN 28553 3829 43 . . . 28553 3830 1 A a DT 28553 3830 2 tooth tooth NN 28553 3830 3 is be VBZ 28553 3830 4 just just RB 28553 3830 5 beginning begin VBG 28553 3830 6 to to TO 28553 3830 7 shove shove VB 28553 3830 8 its -PRON- PRP$ 28553 3830 9 point point NN 28553 3830 10 under under IN 28553 3830 11 the the DT 28553 3830 12 nearer nearer JJ 28553 3830 13 edge edge NN 28553 3830 14 of of IN 28553 3830 15 the the DT 28553 3830 16 opening opening NN 28553 3830 17 . . . 28553 3831 1 As as IN 28553 3831 2 it -PRON- PRP 28553 3831 3 is be VBZ 28553 3831 4 forced force VBN 28553 3831 5 forwards forwards RB 28553 3831 6 , , , 28553 3831 7 _ _ NNP 28553 3831 8 b b NNP 28553 3831 9 _ _ NNP 28553 3831 10 is be VBZ 28553 3831 11 revolved revolve VBN 28553 3831 12 in in IN 28553 3831 13 a a DT 28553 3831 14 clockwise clockwise JJ 28553 3831 15 direction direction NN 28553 3831 16 , , , 28553 3831 17 winding wind VBG 28553 3831 18 up up RP 28553 3831 19 the the DT 28553 3831 20 hairspring hairspring NN 28553 3831 21 . . . 28553 3832 1 When when WRB 28553 3832 2 the the DT 28553 3832 3 tooth tooth NN 28553 3832 4 has have VBZ 28553 3832 5 passed pass VBN 28553 3832 6 the the DT 28553 3832 7 nearer nearer NN 28553 3832 8 edge edge NN 28553 3832 9 it -PRON- PRP 28553 3832 10 flies fly VBZ 28553 3832 11 forward forward RB 28553 3832 12 , , , 28553 3832 13 striking strike VBG 28553 3832 14 the the DT 28553 3832 15 inside inside NN 28553 3832 16 of of IN 28553 3832 17 the the DT 28553 3832 18 further further JJ 28553 3832 19 wall wall NN 28553 3832 20 of of IN 28553 3832 21 the the DT 28553 3832 22 cylinder cylinder NN 28553 3832 23 , , , 28553 3832 24 which which WDT 28553 3832 25 holds hold VBZ 28553 3832 26 it -PRON- PRP 28553 3832 27 while while IN 28553 3832 28 the the DT 28553 3832 29 spring spring NN 28553 3832 30 uncoils uncoil VBZ 28553 3832 31 . . . 28553 3833 1 The the DT 28553 3833 2 tooth tooth NN 28553 3833 3 now now RB 28553 3833 4 pushes push VBZ 28553 3833 5 its -PRON- PRP$ 28553 3833 6 way way NN 28553 3833 7 past past IN 28553 3833 8 the the DT 28553 3833 9 other other JJ 28553 3833 10 edge edge NN 28553 3833 11 , , , 28553 3833 12 accelerating accelerate VBG 28553 3833 13 the the DT 28553 3833 14 unwinding unwinding NN 28553 3833 15 , , , 28553 3833 16 and and CC 28553 3833 17 , , , 28553 3833 18 as as IN 28553 3833 19 it -PRON- PRP 28553 3833 20 escapes escape VBZ 28553 3833 21 , , , 28553 3833 22 the the DT 28553 3833 23 next next JJ 28553 3833 24 tooth tooth NN 28553 3833 25 jumps jump VBZ 28553 3833 26 forward forward RB 28553 3833 27 and and CC 28553 3833 28 is be VBZ 28553 3833 29 arrested arrest VBN 28553 3833 30 by by IN 28553 3833 31 the the DT 28553 3833 32 outside outside NN 28553 3833 33 of of IN 28553 3833 34 the the DT 28553 3833 35 cylinder cylinder NN 28553 3833 36 . . . 28553 3834 1 The the DT 28553 3834 2 balance balance NN 28553 3834 3 now now RB 28553 3834 4 reverses reverse VBZ 28553 3834 5 its -PRON- PRP$ 28553 3834 6 motion motion NN 28553 3834 7 , , , 28553 3834 8 is be VBZ 28553 3834 9 helped help VBN 28553 3834 10 by by IN 28553 3834 11 the the DT 28553 3834 12 tooth tooth NN 28553 3834 13 , , , 28553 3834 14 is be VBZ 28553 3834 15 wound wind VBN 28553 3834 16 up up RP 28553 3834 17 , , , 28553 3834 18 locks lock VBZ 28553 3834 19 the the DT 28553 3834 20 tooth tooth NN 28553 3834 21 , , , 28553 3834 22 and and CC 28553 3834 23 so so RB 28553 3834 24 on on RB 28553 3834 25 . . . 28553 3835 1 THE the DT 28553 3835 2 LEVER LEVER NNP 28553 3835 3 ESCAPEMENT ESCAPEMENT NNP 28553 3835 4 is be VBZ 28553 3835 5 somewhat somewhat RB 28553 3835 6 more more RBR 28553 3835 7 complicated complicated JJ 28553 3835 8 . . . 28553 3836 1 The the DT 28553 3836 2 escape escape NN 28553 3836 3 - - HYPH 28553 3836 4 wheel wheel NN 28553 3836 5 teeth tooth NNS 28553 3836 6 are be VBP 28553 3836 7 locked lock VBN 28553 3836 8 and and CC 28553 3836 9 unlocked unlock VBN 28553 3836 10 by by IN 28553 3836 11 the the DT 28553 3836 12 pallets pallet NNS 28553 3836 13 P P NNP 28553 3836 14 P^1 P^1 NNP 28553 3836 15 projecting projecting NN 28553 3836 16 from from IN 28553 3836 17 a a DT 28553 3836 18 lever lever NN 28553 3836 19 which which WDT 28553 3836 20 moves move VBZ 28553 3836 21 on on IN 28553 3836 22 a a DT 28553 3836 23 pivot pivot NN 28553 3836 24 ( ( -LRB- 28553 3836 25 Fig fig NN 28553 3836 26 . . . 28553 3837 1 205 205 CD 28553 3837 2 ) ) -RRB- 28553 3837 3 . . . 28553 3838 1 The the DT 28553 3838 2 end end NN 28553 3838 3 of of IN 28553 3838 4 the the DT 28553 3838 5 lever lever NN 28553 3838 6 is be VBZ 28553 3838 7 forked fork VBN 28553 3838 8 , , , 28553 3838 9 and and CC 28553 3838 10 has have VBZ 28553 3838 11 a a DT 28553 3838 12 square square JJ 28553 3838 13 notch notch NN 28553 3838 14 in in IN 28553 3838 15 it -PRON- PRP 28553 3838 16 . . . 28553 3839 1 On on IN 28553 3839 2 the the DT 28553 3839 3 arbor arbor NN 28553 3839 4 of of IN 28553 3839 5 the the DT 28553 3839 6 balance balance NN 28553 3839 7 - - HYPH 28553 3839 8 wheel wheel NN 28553 3839 9 is be VBZ 28553 3839 10 a a DT 28553 3839 11 roller roller NN 28553 3839 12 , , , 28553 3839 13 or or CC 28553 3839 14 plate plate NN 28553 3839 15 , , , 28553 3839 16 R r NN 28553 3839 17 , , , 28553 3839 18 which which WDT 28553 3839 19 carries carry VBZ 28553 3839 20 a a DT 28553 3839 21 small small JJ 28553 3839 22 pin pin NN 28553 3839 23 , , , 28553 3839 24 I. I. NNP 28553 3840 1 Two two CD 28553 3840 2 pins pin NNS 28553 3840 3 , , , 28553 3840 4 B b NN 28553 3840 5 B B NNP 28553 3840 6 , , , 28553 3840 7 projecting project VBG 28553 3840 8 from from IN 28553 3840 9 the the DT 28553 3840 10 plate plate NN 28553 3840 11 of of IN 28553 3840 12 the the DT 28553 3840 13 watch watch NN 28553 3840 14 prevent prevent VB 28553 3840 15 the the DT 28553 3840 16 lever lever NN 28553 3840 17 moving move VBG 28553 3840 18 too too RB 28553 3840 19 far far RB 28553 3840 20 . . . 28553 3841 1 We -PRON- PRP 28553 3841 2 must must MD 28553 3841 3 further further RB 28553 3841 4 notice notice VB 28553 3841 5 the the DT 28553 3841 6 little little JJ 28553 3841 7 pin pin NN 28553 3841 8 C C NNP 28553 3841 9 on on IN 28553 3841 10 the the DT 28553 3841 11 lever lever NN 28553 3841 12 , , , 28553 3841 13 and and CC 28553 3841 14 a a DT 28553 3841 15 notch notch NN 28553 3841 16 in in IN 28553 3841 17 the the DT 28553 3841 18 edge edge NN 28553 3841 19 of of IN 28553 3841 20 the the DT 28553 3841 21 roller roller NN 28553 3841 22 . . . 28553 3842 1 [ [ -LRB- 28553 3842 2 Illustration illustration NN 28553 3842 3 : : : 28553 3842 4 FIG FIG NNP 28553 3842 5 . . . 28553 3843 1 205.--"Lever 205.--"lever CD 28553 3843 2 " " `` 28553 3843 3 watch watch NN 28553 3843 4 escapement escapement NN 28553 3843 5 . . . 28553 3843 6 ] ] -RRB- 28553 3844 1 In in IN 28553 3844 2 the the DT 28553 3844 3 illustration illustration NN 28553 3844 4 a a DT 28553 3844 5 tooth tooth NN 28553 3844 6 has have VBZ 28553 3844 7 just just RB 28553 3844 8 passed pass VBN 28553 3844 9 under under IN 28553 3844 10 the the DT 28553 3844 11 " " `` 28553 3844 12 impulse impulse NN 28553 3844 13 face face NN 28553 3844 14 " " '' 28553 3844 15 _ _ NNP 28553 3844 16 b b NNP 28553 3844 17 _ _ NNP 28553 3844 18 of of IN 28553 3844 19 P^1 P^1 NNP 28553 3844 20 . . . 28553 3845 1 The the DT 28553 3845 2 lever lever NN 28553 3845 3 has have VBZ 28553 3845 4 been be VBN 28553 3845 5 moved move VBN 28553 3845 6 upwards upwards RB 28553 3845 7 at at IN 28553 3845 8 the the DT 28553 3845 9 right right JJ 28553 3845 10 end end NN 28553 3845 11 ; ; : 28553 3845 12 and and CC 28553 3845 13 its -PRON- PRP$ 28553 3845 14 forked forked JJ 28553 3845 15 end end NN 28553 3845 16 has have VBZ 28553 3845 17 given give VBN 28553 3845 18 an an DT 28553 3845 19 impulse impulse NN 28553 3845 20 to to IN 28553 3845 21 R r NN 28553 3845 22 , , , 28553 3845 23 and and CC 28553 3845 24 through through IN 28553 3845 25 it -PRON- PRP 28553 3845 26 to to IN 28553 3845 27 the the DT 28553 3845 28 balance balance NN 28553 3845 29 - - HYPH 28553 3845 30 wheel wheel NN 28553 3845 31 . . . 28553 3846 1 The the DT 28553 3846 2 spring spring NN 28553 3846 3 winds wind VBZ 28553 3846 4 up up RP 28553 3846 5 . . . 28553 3847 1 The the DT 28553 3847 2 pin pin NN 28553 3847 3 C C NNP 28553 3847 4 prevents prevent VBZ 28553 3847 5 the the DT 28553 3847 6 lever lever NN 28553 3847 7 dropping dropping NN 28553 3847 8 , , , 28553 3847 9 because because IN 28553 3847 10 it -PRON- PRP 28553 3847 11 no no RB 28553 3847 12 longer longer RB 28553 3847 13 has have VBZ 28553 3847 14 the the DT 28553 3847 15 notch notch NN 28553 3847 16 opposite opposite JJ 28553 3847 17 to to IN 28553 3847 18 it -PRON- PRP 28553 3847 19 , , , 28553 3847 20 but but CC 28553 3847 21 presses press NNS 28553 3847 22 on on IN 28553 3847 23 the the DT 28553 3847 24 circumference circumference NN 28553 3847 25 of of IN 28553 3847 26 R. R. NNP 28553 3847 27 As as IN 28553 3847 28 the the DT 28553 3847 29 spring spring NN 28553 3847 30 unwinds unwind VBZ 28553 3847 31 it -PRON- PRP 28553 3847 32 strikes strike VBZ 28553 3847 33 the the DT 28553 3847 34 lever lever NN 28553 3847 35 at at IN 28553 3847 36 the the DT 28553 3847 37 moment moment NN 28553 3847 38 when when WRB 28553 3847 39 the the DT 28553 3847 40 notch notch NN 28553 3847 41 and and CC 28553 3847 42 C C NNP 28553 3847 43 are be VBP 28553 3847 44 opposite opposite JJ 28553 3847 45 . . . 28553 3848 1 The the DT 28553 3848 2 lever lever NN 28553 3848 3 is be VBZ 28553 3848 4 knocked knock VBN 28553 3848 5 downwards downwards RB 28553 3848 6 , , , 28553 3848 7 and and CC 28553 3848 8 the the DT 28553 3848 9 tooth tooth NN 28553 3848 10 , , , 28553 3848 11 which which WDT 28553 3848 12 had have VBD 28553 3848 13 been be VBN 28553 3848 14 arrested arrest VBN 28553 3848 15 by by IN 28553 3848 16 the the DT 28553 3848 17 locking locking NN 28553 3848 18 - - HYPH 28553 3848 19 face face NN 28553 3848 20 _ _ NNP 28553 3848 21 a a DT 28553 3848 22 _ _ NNP 28553 3848 23 of of IN 28553 3848 24 pallet pallet NN 28553 3848 25 P p NN 28553 3848 26 , , , 28553 3848 27 now now RB 28553 3848 28 presses press VBZ 28553 3848 29 on on IN 28553 3848 30 the the DT 28553 3848 31 impulse impulse NN 28553 3848 32 face face NN 28553 3848 33 _ _ NNP 28553 3848 34 b b NNP 28553 3848 35 _ _ NNP 28553 3848 36 , , , 28553 3848 37 forcing force VBG 28553 3848 38 the the DT 28553 3848 39 left left JJ 28553 3848 40 end end NN 28553 3848 41 of of IN 28553 3848 42 the the DT 28553 3848 43 lever lever NN 28553 3848 44 up up RP 28553 3848 45 . . . 28553 3849 1 The the DT 28553 3849 2 impulse impulse NN 28553 3849 3 pin pin NN 28553 3849 4 I -PRON- PRP 28553 3849 5 receives receive VBZ 28553 3849 6 a a DT 28553 3849 7 blow blow NN 28553 3849 8 , , , 28553 3849 9 assisting assist VBG 28553 3849 10 the the DT 28553 3849 11 unwinding unwinding NN 28553 3849 12 of of IN 28553 3849 13 the the DT 28553 3849 14 spring spring NN 28553 3849 15 , , , 28553 3849 16 and and CC 28553 3849 17 C C NNP 28553 3849 18 again again RB 28553 3849 19 locks lock VBZ 28553 3849 20 the the DT 28553 3849 21 lever lever NN 28553 3849 22 . . . 28553 3850 1 The the DT 28553 3850 2 same same JJ 28553 3850 3 thing thing NN 28553 3850 4 is be VBZ 28553 3850 5 repeated repeat VBN 28553 3850 6 in in IN 28553 3850 7 alternate alternate JJ 28553 3850 8 directions direction NNS 28553 3850 9 over over RB 28553 3850 10 and and CC 28553 3850 11 over over RB 28553 3850 12 again again RB 28553 3850 13 . . . 28553 3851 1 COMPENSATING COMPENSATING NNP 28553 3851 2 BALANCE BALANCE NNP 28553 3851 3 - - : 28553 3851 4 WHEELS WHEELS NNP 28553 3851 5 . . . 28553 3852 1 The the DT 28553 3852 2 watchmaker watchmaker NN 28553 3852 3 has have VBZ 28553 3852 4 had have VBN 28553 3852 5 to to TO 28553 3852 6 overcome overcome VB 28553 3852 7 the the DT 28553 3852 8 same same JJ 28553 3852 9 difficulty difficulty NN 28553 3852 10 as as IN 28553 3852 11 the the DT 28553 3852 12 clockmaker clockmaker NN 28553 3852 13 with with IN 28553 3852 14 regard regard NN 28553 3852 15 to to IN 28553 3852 16 the the DT 28553 3852 17 expansion expansion NN 28553 3852 18 of of IN 28553 3852 19 the the DT 28553 3852 20 metal metal NN 28553 3852 21 in in IN 28553 3852 22 the the DT 28553 3852 23 controlling control VBG 28553 3852 24 agent agent NN 28553 3852 25 . . . 28553 3853 1 When when WRB 28553 3853 2 a a DT 28553 3853 3 metal metal NN 28553 3853 4 wheel wheel NN 28553 3853 5 is be VBZ 28553 3853 6 heated heat VBN 28553 3853 7 its -PRON- PRP$ 28553 3853 8 spokes spoke NNS 28553 3853 9 lengthen lengthen NNP 28553 3853 10 , , , 28553 3853 11 and and CC 28553 3853 12 the the DT 28553 3853 13 rim rim NN 28553 3853 14 recedes recede VBZ 28553 3853 15 from from IN 28553 3853 16 the the DT 28553 3853 17 centre centre NN 28553 3853 18 . . . 28553 3854 1 Now now RB 28553 3854 2 , , , 28553 3854 3 let let VB 28553 3854 4 us -PRON- PRP 28553 3854 5 suppose suppose VB 28553 3854 6 that that IN 28553 3854 7 we -PRON- PRP 28553 3854 8 have have VBP 28553 3854 9 two two CD 28553 3854 10 rods rod NNS 28553 3854 11 of of IN 28553 3854 12 equal equal JJ 28553 3854 13 weight weight NN 28553 3854 14 , , , 28553 3854 15 one one CD 28553 3854 16 three three CD 28553 3854 17 feet foot NNS 28553 3854 18 long long JJ 28553 3854 19 , , , 28553 3854 20 the the DT 28553 3854 21 other other JJ 28553 3854 22 six six CD 28553 3854 23 feet foot NNS 28553 3854 24 long long JJ 28553 3854 25 . . . 28553 3855 1 To to IN 28553 3855 2 an an DT 28553 3855 3 end end NN 28553 3855 4 of of IN 28553 3855 5 each each DT 28553 3855 6 we -PRON- PRP 28553 3855 7 fasten fasten VBP 28553 3855 8 a a DT 28553 3855 9 2-lb 2-lb CD 28553 3855 10 . . . 28553 3856 1 weight weight NN 28553 3856 2 . . . 28553 3857 1 We -PRON- PRP 28553 3857 2 shall shall MD 28553 3857 3 find find VB 28553 3857 4 it -PRON- PRP 28553 3857 5 much much RB 28553 3857 6 easier easy JJR 28553 3857 7 to to TO 28553 3857 8 wave wave VB 28553 3857 9 the the DT 28553 3857 10 shorter short JJR 28553 3857 11 rod rod NN 28553 3857 12 backwards backwards RB 28553 3857 13 and and CC 28553 3857 14 forwards forwards RB 28553 3857 15 quickly quickly RB 28553 3857 16 than than IN 28553 3857 17 the the DT 28553 3857 18 other other JJ 28553 3857 19 . . . 28553 3858 1 Why why WRB 28553 3858 2 ? ? . 28553 3859 1 Because because IN 28553 3859 2 the the DT 28553 3859 3 weight weight NN 28553 3859 4 of of IN 28553 3859 5 the the DT 28553 3859 6 longer long JJR 28553 3859 7 rod rod NN 28553 3859 8 has have VBZ 28553 3859 9 more more JJR 28553 3859 10 leverage leverage NN 28553 3859 11 over over IN 28553 3859 12 the the DT 28553 3859 13 hand hand NN 28553 3859 14 than than IN 28553 3859 15 has have VBZ 28553 3859 16 that that DT 28553 3859 17 of of IN 28553 3859 18 the the DT 28553 3859 19 shorter short JJR 28553 3859 20 rod rod NN 28553 3859 21 . . . 28553 3860 1 Similarly similarly RB 28553 3860 2 , , , 28553 3860 3 if if IN 28553 3860 4 , , , 28553 3860 5 while while IN 28553 3860 6 the the DT 28553 3860 7 mass mass NN 28553 3860 8 of of IN 28553 3860 9 the the DT 28553 3860 10 rim rim NN 28553 3860 11 of of IN 28553 3860 12 a a DT 28553 3860 13 wheel wheel NN 28553 3860 14 remains remain VBZ 28553 3860 15 constant constant JJ 28553 3860 16 , , , 28553 3860 17 the the DT 28553 3860 18 length length NN 28553 3860 19 of of IN 28553 3860 20 the the DT 28553 3860 21 spokes spoke NNS 28553 3860 22 varies vary VBZ 28553 3860 23 , , , 28553 3860 24 the the DT 28553 3860 25 effort effort NN 28553 3860 26 needed need VBN 28553 3860 27 to to TO 28553 3860 28 rotate rotate VB 28553 3860 29 the the DT 28553 3860 30 wheel wheel NN 28553 3860 31 to to IN 28553 3860 32 and and CC 28553 3860 33 fro fro NNP 28553 3860 34 at at IN 28553 3860 35 a a DT 28553 3860 36 constant constant JJ 28553 3860 37 rate rate NN 28553 3860 38 must must MD 28553 3860 39 vary vary VB 28553 3860 40 also also RB 28553 3860 41 . . . 28553 3861 1 Graham Graham NNP 28553 3861 2 got get VBD 28553 3861 3 over over IN 28553 3861 4 the the DT 28553 3861 5 difficulty difficulty NN 28553 3861 6 with with IN 28553 3861 7 a a DT 28553 3861 8 rod rod NN 28553 3861 9 by by IN 28553 3861 10 means mean NNS 28553 3861 11 of of IN 28553 3861 12 the the DT 28553 3861 13 compensating compensate VBG 28553 3861 14 pendulum pendulum NN 28553 3861 15 . . . 28553 3862 1 Thomas Thomas NNP 28553 3862 2 Earnshaw Earnshaw NNP 28553 3862 3 mastered master VBD 28553 3862 4 it -PRON- PRP 28553 3862 5 in in IN 28553 3862 6 wheels wheel NNS 28553 3862 7 by by IN 28553 3862 8 means mean NNS 28553 3862 9 of of IN 28553 3862 10 the the DT 28553 3862 11 _ _ NNP 28553 3862 12 compensating compensating NN 28553 3862 13 balance balance NN 28553 3862 14 _ _ NNP 28553 3862 15 , , , 28553 3862 16 using use VBG 28553 3862 17 the the DT 28553 3862 18 same same JJ 28553 3862 19 principle principle NN 28553 3862 20 -- -- : 28553 3862 21 namely namely RB 28553 3862 22 , , , 28553 3862 23 the the DT 28553 3862 24 unequal unequal JJ 28553 3862 25 expansion expansion NN 28553 3862 26 of of IN 28553 3862 27 different different JJ 28553 3862 28 metals metal NNS 28553 3862 29 . . . 28553 3863 1 Any any DT 28553 3863 2 one one NN 28553 3863 3 who who WP 28553 3863 4 owns own VBZ 28553 3863 5 a a DT 28553 3863 6 compensated compensated JJ 28553 3863 7 watch watch NN 28553 3863 8 will will MD 28553 3863 9 see see VB 28553 3863 10 , , , 28553 3863 11 on on IN 28553 3863 12 stopping stop VBG 28553 3863 13 the the DT 28553 3863 14 tiny tiny JJ 28553 3863 15 fly fly NN 28553 3863 16 - - HYPH 28553 3863 17 wheel wheel NN 28553 3863 18 , , , 28553 3863 19 that that IN 28553 3863 20 it -PRON- PRP 28553 3863 21 has have VBZ 28553 3863 22 two two CD 28553 3863 23 spokes spoke NNS 28553 3863 24 ( ( -LRB- 28553 3863 25 Fig fig NN 28553 3863 26 . . . 28553 3864 1 206 206 CD 28553 3864 2 ) ) -RRB- 28553 3864 3 , , , 28553 3864 4 each each DT 28553 3864 5 carrying carry VBG 28553 3864 6 an an DT 28553 3864 7 almost almost RB 28553 3864 8 complete complete JJ 28553 3864 9 semicircle semicircle NN 28553 3864 10 of of IN 28553 3864 11 rim rim NN 28553 3864 12 attached attach VBN 28553 3864 13 to to IN 28553 3864 14 it -PRON- PRP 28553 3864 15 . . . 28553 3865 1 A a DT 28553 3865 2 close close JJ 28553 3865 3 examination examination NN 28553 3865 4 shows show VBZ 28553 3865 5 that that IN 28553 3865 6 the the DT 28553 3865 7 rim rim NN 28553 3865 8 is be VBZ 28553 3865 9 compounded compound VBN 28553 3865 10 of of IN 28553 3865 11 an an DT 28553 3865 12 outer outer JJ 28553 3865 13 strip strip NN 28553 3865 14 of of IN 28553 3865 15 brass brass NN 28553 3865 16 welded weld VBN 28553 3865 17 to to IN 28553 3865 18 an an DT 28553 3865 19 inner inner JJ 28553 3865 20 lining lining NN 28553 3865 21 of of IN 28553 3865 22 steel steel NN 28553 3865 23 . . . 28553 3866 1 The the DT 28553 3866 2 brass brass NN 28553 3866 3 element element NN 28553 3866 4 expands expand VBZ 28553 3866 5 more more RBR 28553 3866 6 with with IN 28553 3866 7 heat heat NN 28553 3866 8 and and CC 28553 3866 9 contracts contract NNS 28553 3866 10 more more RBR 28553 3866 11 with with IN 28553 3866 12 cold cold JJ 28553 3866 13 than than IN 28553 3866 14 steel steel NN 28553 3866 15 ; ; : 28553 3866 16 so so IN 28553 3866 17 that that IN 28553 3866 18 when when WRB 28553 3866 19 the the DT 28553 3866 20 spokes spoke NNS 28553 3866 21 become become VBP 28553 3866 22 elongated elongate VBN 28553 3866 23 by by IN 28553 3866 24 a a DT 28553 3866 25 rise rise NN 28553 3866 26 of of IN 28553 3866 27 temperature temperature NN 28553 3866 28 , , , 28553 3866 29 the the DT 28553 3866 30 pieces piece NNS 28553 3866 31 bend bend VBP 28553 3866 32 inwards inward NNS 28553 3866 33 at at IN 28553 3866 34 their -PRON- PRP$ 28553 3866 35 free free JJ 28553 3866 36 ends end NNS 28553 3866 37 ( ( -LRB- 28553 3866 38 Fig fig NN 28553 3866 39 . . . 28553 3867 1 207 207 CD 28553 3867 2 ) ) -RRB- 28553 3867 3 ; ; : 28553 3867 4 if if IN 28553 3867 5 the the DT 28553 3867 6 temperature temperature NN 28553 3867 7 falls fall VBZ 28553 3867 8 , , , 28553 3867 9 the the DT 28553 3867 10 spokes spoke NNS 28553 3867 11 are be VBP 28553 3867 12 shortened shorten VBN 28553 3867 13 , , , 28553 3867 14 and and CC 28553 3867 15 the the DT 28553 3867 16 rim rim NN 28553 3867 17 pieces piece NNS 28553 3867 18 bend bend VBP 28553 3867 19 outwards outward NNS 28553 3867 20 ( ( -LRB- 28553 3867 21 Fig fig NN 28553 3867 22 . . . 28553 3868 1 208 208 CD 28553 3868 2 ) ) -RRB- 28553 3868 3 . . . 28553 3869 1 [ [ -LRB- 28553 3869 2 39 39 CD 28553 3869 3 ] ] -RRB- 28553 3869 4 This this DT 28553 3869 5 ingenious ingenious JJ 28553 3869 6 contrivance contrivance NN 28553 3869 7 keeps keep VBZ 28553 3869 8 the the DT 28553 3869 9 leverage leverage NN 28553 3869 10 of of IN 28553 3869 11 the the DT 28553 3869 12 rim rim NN 28553 3869 13 constant constant JJ 28553 3869 14 within within IN 28553 3869 15 very very RB 28553 3869 16 fine fine JJ 28553 3869 17 limits limit NNS 28553 3869 18 . . . 28553 3870 1 The the DT 28553 3870 2 screws screws NN 28553 3870 3 S S NNP 28553 3870 4 S S NNP 28553 3870 5 are be VBP 28553 3870 6 inserted insert VBN 28553 3870 7 in in IN 28553 3870 8 the the DT 28553 3870 9 rim rim NN 28553 3870 10 to to TO 28553 3870 11 balance balance VB 28553 3870 12 it -PRON- PRP 28553 3870 13 correctly correctly RB 28553 3870 14 , , , 28553 3870 15 and and CC 28553 3870 16 very very RB 28553 3870 17 fine fine JJ 28553 3870 18 adjustment adjustment NN 28553 3870 19 is be VBZ 28553 3870 20 made make VBN 28553 3870 21 by by IN 28553 3870 22 means mean NNS 28553 3870 23 of of IN 28553 3870 24 the the DT 28553 3870 25 four four CD 28553 3870 26 tiny tiny JJ 28553 3870 27 weights weight NNS 28553 3870 28 W W NNP 28553 3870 29 W. W. NNP 28553 3870 30 In In NNP 28553 3870 31 ships ship NNS 28553 3870 32 ' ' POS 28553 3870 33 chronometers,[40 chronometers,[40 CD 28553 3870 34 ] ] -RRB- 28553 3870 35 the the DT 28553 3870 36 rim rim NN 28553 3870 37 pieces piece NNS 28553 3870 38 are be VBP 28553 3870 39 _ _ NNP 28553 3870 40 sub_-compensated sub_-compensated NNP 28553 3870 41 towards towards IN 28553 3870 42 their -PRON- PRP$ 28553 3870 43 free free JJ 28553 3870 44 ends end NNS 28553 3870 45 to to TO 28553 3870 46 counteract counteract VB 28553 3870 47 slight slight JJ 28553 3870 48 errors error NNS 28553 3870 49 in in IN 28553 3870 50 the the DT 28553 3870 51 primary primary JJ 28553 3870 52 compensation compensation NN 28553 3870 53 . . . 28553 3871 1 So so RB 28553 3871 2 delicate delicate JJ 28553 3871 3 is be VBZ 28553 3871 4 the the DT 28553 3871 5 compensation compensation NN 28553 3871 6 that that WDT 28553 3871 7 a a DT 28553 3871 8 daily daily JJ 28553 3871 9 loss loss NN 28553 3871 10 or or CC 28553 3871 11 gain gain NN 28553 3871 12 of of IN 28553 3871 13 only only RB 28553 3871 14 half half PDT 28553 3871 15 a a DT 28553 3871 16 second second NN 28553 3871 17 is be VBZ 28553 3871 18 often often RB 28553 3871 19 the the DT 28553 3871 20 limit limit NN 28553 3871 21 of of IN 28553 3871 22 error error NN 28553 3871 23 . . . 28553 3872 1 [ [ -LRB- 28553 3872 2 Illustration illustration NN 28553 3872 3 : : : 28553 3872 4 FIG FIG NNP 28553 3872 5 . . . 28553 3873 1 206 206 CD 28553 3873 2 . . . 28553 3874 1 FIG FIG NNP 28553 3874 2 . . . 28553 3875 1 207 207 CD 28553 3875 2 . . . 28553 3876 1 FIG FIG NNP 28553 3876 2 . . . 28553 3877 1 208 208 CD 28553 3877 2 . . . 28553 3878 1 A a DT 28553 3878 2 " " `` 28553 3878 3 compensating compensating JJ 28553 3878 4 " " '' 28553 3878 5 watch watch NN 28553 3878 6 balance balance NN 28553 3878 7 , , , 28553 3878 8 at at IN 28553 3878 9 normal normal JJ 28553 3878 10 , , , 28553 3878 11 super super JJ 28553 3878 12 - - JJ 28553 3878 13 normal normal JJ 28553 3878 14 , , , 28553 3878 15 and and CC 28553 3878 16 sub sub JJ 28553 3878 17 - - JJ 28553 3878 18 normal normal JJ 28553 3878 19 temperatures temperature NNS 28553 3878 20 . . . 28553 3878 21 ] ] -RRB- 28553 3879 1 KEYLESS KEYLESS NNP 28553 3879 2 WINDING WINDING NNP 28553 3879 3 MECHANISM MECHANISM NNP 28553 3879 4 FOR for IN 28553 3879 5 WATCHES WATCHES NNP 28553 3879 6 . . . 28553 3880 1 The the DT 28553 3880 2 inconvenience inconvenience NN 28553 3880 3 attaching attach VBG 28553 3880 4 to to IN 28553 3880 5 a a DT 28553 3880 6 key key NN 28553 3880 7 - - HYPH 28553 3880 8 wound wound NN 28553 3880 9 watch watch NN 28553 3880 10 caused cause VBD 28553 3880 11 the the DT 28553 3880 12 Swiss swiss JJ 28553 3880 13 manufacturers manufacturer NNS 28553 3880 14 to to TO 28553 3880 15 put put VB 28553 3880 16 on on IN 28553 3880 17 the the DT 28553 3880 18 market market NN 28553 3880 19 , , , 28553 3880 20 in in IN 28553 3880 21 1851 1851 CD 28553 3880 22 , , , 28553 3880 23 watches watch VBZ 28553 3880 24 which which WDT 28553 3880 25 dispensed dispense VBD 28553 3880 26 with with IN 28553 3880 27 a a DT 28553 3880 28 separate separate JJ 28553 3880 29 key key NN 28553 3880 30 . . . 28553 3881 1 Those those DT 28553 3881 2 of of IN 28553 3881 3 our -PRON- PRP$ 28553 3881 4 readers reader NNS 28553 3881 5 who who WP 28553 3881 6 carry carry VBP 28553 3881 7 keyless keyless JJ 28553 3881 8 watches watch NNS 28553 3881 9 will will MD 28553 3881 10 be be VB 28553 3881 11 interested interested JJ 28553 3881 12 to to TO 28553 3881 13 learn learn VB 28553 3881 14 how how WRB 28553 3881 15 the the DT 28553 3881 16 winding winding NN 28553 3881 17 and and CC 28553 3881 18 setting setting NN 28553 3881 19 of of IN 28553 3881 20 the the DT 28553 3881 21 hands hand NNS 28553 3881 22 is be VBZ 28553 3881 23 effected effect VBN 28553 3881 24 by by IN 28553 3881 25 the the DT 28553 3881 26 little little JJ 28553 3881 27 serrated serrated JJ 28553 3881 28 knob knob NN 28553 3881 29 enclosed enclose VBD 28553 3881 30 inside inside IN 28553 3881 31 the the DT 28553 3881 32 pendant pendant NN 28553 3881 33 ring ring NN 28553 3881 34 . . . 28553 3882 1 There there EX 28553 3882 2 are be VBP 28553 3882 3 two two CD 28553 3882 4 forms form NNS 28553 3882 5 of of IN 28553 3882 6 " " `` 28553 3882 7 going go VBG 28553 3882 8 - - HYPH 28553 3882 9 barrel barrel NN 28553 3882 10 " " `` 28553 3882 11 keyless keyless JJ 28553 3882 12 mechanism--(1 mechanism--(1 NN 28553 3882 13 ) ) -RRB- 28553 3882 14 The the DT 28553 3882 15 rocking rock VBG 28553 3882 16 bar bar NN 28553 3882 17 ; ; : 28553 3882 18 ( ( -LRB- 28553 3882 19 2 2 LS 28553 3882 20 ) ) -RRB- 28553 3882 21 the the DT 28553 3882 22 shifting shifting NN 28553 3882 23 sleeve sleeve NN 28553 3882 24 . . . 28553 3883 1 The the DT 28553 3883 2 _ _ NNP 28553 3883 3 rocking rock VBG 28553 3883 4 bar bar NN 28553 3883 5 _ _ NNP 28553 3883 6 device device NN 28553 3883 7 is be VBZ 28553 3883 8 shown show VBN 28553 3883 9 in in IN 28553 3883 10 Figs Figs NNP 28553 3883 11 . . . 28553 3884 1 209 209 CD 28553 3884 2 , , , 28553 3884 3 210 210 CD 28553 3884 4 . . . 28553 3885 1 The the DT 28553 3885 2 milled milled JJ 28553 3885 3 head head NN 28553 3885 4 M M NNP 28553 3885 5 turns turn VBZ 28553 3885 6 a a DT 28553 3885 7 cog cog NN 28553 3885 8 , , , 28553 3885 9 G G NNP 28553 3885 10 , , , 28553 3885 11 which which WDT 28553 3885 12 is be VBZ 28553 3885 13 always always RB 28553 3885 14 in in IN 28553 3885 15 gear gear NN 28553 3885 16 with with IN 28553 3885 17 a a DT 28553 3885 18 cog cog NN 28553 3885 19 , , , 28553 3885 20 F. F. NNP 28553 3885 21 This this DT 28553 3885 22 cog cog JJ 28553 3885 23 gears gear VBZ 28553 3885 24 with with IN 28553 3885 25 two two CD 28553 3885 26 others other NNS 28553 3885 27 , , , 28553 3885 28 A a NN 28553 3885 29 and and CC 28553 3885 30 B B NNP 28553 3885 31 , , , 28553 3885 32 mounted mount VBD 28553 3885 33 at at IN 28553 3885 34 each each DT 28553 3885 35 end end NN 28553 3885 36 of of IN 28553 3885 37 the the DT 28553 3885 38 rocker rocker NN 28553 3885 39 R r NN 28553 3885 40 , , , 28553 3885 41 which which WDT 28553 3885 42 moves move VBZ 28553 3885 43 on on IN 28553 3885 44 pivot pivot NN 28553 3885 45 S. S. NNP 28553 3885 46 A A NNP 28553 3885 47 spring spring NN 28553 3885 48 , , , 28553 3885 49 S S NNP 28553 3885 50 P P NNP 28553 3885 51 , , , 28553 3885 52 attached attach VBN 28553 3885 53 to to IN 28553 3885 54 the the DT 28553 3885 55 watch watch NN 28553 3885 56 plate plate NN 28553 3885 57 presses press NNS 28553 3885 58 against against IN 28553 3885 59 a a DT 28553 3885 60 small small JJ 28553 3885 61 stud stud NN 28553 3885 62 on on IN 28553 3885 63 the the DT 28553 3885 64 rocking rock VBG 28553 3885 65 bar bar NN 28553 3885 66 , , , 28553 3885 67 and and CC 28553 3885 68 keeps keep VBZ 28553 3885 69 A a DT 28553 3885 70 normally normally RB 28553 3885 71 in in IN 28553 3885 72 gear gear NN 28553 3885 73 with with IN 28553 3885 74 C C NNP 28553 3885 75 , , , 28553 3885 76 mounted mount VBN 28553 3885 77 on on IN 28553 3885 78 the the DT 28553 3885 79 arbor arbor NN 28553 3885 80 of of IN 28553 3885 81 the the DT 28553 3885 82 mainspring mainspring NN 28553 3885 83 . . . 28553 3886 1 [ [ -LRB- 28553 3886 2 Illustration illustration NN 28553 3886 3 : : : 28553 3886 4 FIG FIG NNP 28553 3886 5 . . . 28553 3887 1 209.--The 209.--the CD 28553 3887 2 winding winding NN 28553 3887 3 mechanism mechanism NN 28553 3887 4 of of IN 28553 3887 5 a a DT 28553 3887 6 keyless keyless JJ 28553 3887 7 watch watch NN 28553 3887 8 . . . 28553 3887 9 ] ] -RRB- 28553 3888 1 To to TO 28553 3888 2 wind wind VB 28553 3888 3 the the DT 28553 3888 4 watch watch NN 28553 3888 5 , , , 28553 3888 6 M M NNP 28553 3888 7 is be VBZ 28553 3888 8 turned turn VBN 28553 3888 9 so so IN 28553 3888 10 as as IN 28553 3888 11 to to TO 28553 3888 12 give give VB 28553 3888 13 F F NNP 28553 3888 14 an an DT 28553 3888 15 anti anti JJ 28553 3888 16 - - JJ 28553 3888 17 clockwise clockwise JJ 28553 3888 18 motion motion NN 28553 3888 19 . . . 28553 3889 1 The the DT 28553 3889 2 teeth tooth NNS 28553 3889 3 of of IN 28553 3889 4 F f NN 28553 3889 5 now now RB 28553 3889 6 press press VBP 28553 3889 7 A a DT 28553 3889 8 downwards downwards NN 28553 3889 9 and and CC 28553 3889 10 keep keep VB 28553 3889 11 it -PRON- PRP 28553 3889 12 in in IN 28553 3889 13 gear gear NN 28553 3889 14 with with IN 28553 3889 15 C c NN 28553 3889 16 while while IN 28553 3889 17 the the DT 28553 3889 18 winding winding NN 28553 3889 19 is be VBZ 28553 3889 20 done do VBN 28553 3889 21 . . . 28553 3890 1 A a DT 28553 3890 2 spring spring NN 28553 3890 3 click click NN 28553 3890 4 ( ( -LRB- 28553 3890 5 marked mark VBN 28553 3890 6 solid solid JJ 28553 3890 7 black black NN 28553 3890 8 ) ) -RRB- 28553 3890 9 prevents prevent VBZ 28553 3890 10 the the DT 28553 3890 11 spring spring NN 28553 3890 12 uncoiling uncoiling NN 28553 3890 13 ( ( -LRB- 28553 3890 14 Fig fig NN 28553 3890 15 . . . 28553 3891 1 209 209 CD 28553 3891 2 ) ) -RRB- 28553 3891 3 . . . 28553 3892 1 If if IN 28553 3892 2 F F NNP 28553 3892 3 is be VBZ 28553 3892 4 turned turn VBN 28553 3892 5 in in RP 28553 3892 6 a a DT 28553 3892 7 clockwise clockwise JJ 28553 3892 8 direction direction NN 28553 3892 9 it -PRON- PRP 28553 3892 10 lifts lift VBZ 28553 3892 11 A a NN 28553 3892 12 and and CC 28553 3892 13 prevents prevent VBZ 28553 3892 14 it -PRON- PRP 28553 3892 15 biting bite VBG 28553 3892 16 the the DT 28553 3892 17 teeth tooth NNS 28553 3892 18 of of IN 28553 3892 19 C C NNP 28553 3892 20 , , , 28553 3892 21 and and CC 28553 3892 22 no no DT 28553 3892 23 strain strain NN 28553 3892 24 is be VBZ 28553 3892 25 thrown throw VBN 28553 3892 26 on on IN 28553 3892 27 C. C. NNP 28553 3892 28 To to TO 28553 3892 29 set set VB 28553 3892 30 the the DT 28553 3892 31 hands hand NNS 28553 3892 32 , , , 28553 3892 33 the the DT 28553 3892 34 little little JJ 28553 3892 35 push push NN 28553 3892 36 - - HYPH 28553 3892 37 piece piece NN 28553 3892 38 P p NN 28553 3892 39 is be VBZ 28553 3892 40 pressed press VBN 28553 3892 41 inwards inward NNS 28553 3892 42 by by IN 28553 3892 43 the the DT 28553 3892 44 thumb thumb NN 28553 3892 45 ( ( -LRB- 28553 3892 46 Fig fig NN 28553 3892 47 . . . 28553 3893 1 210 210 LS 28553 3893 2 ) ) -RRB- 28553 3893 3 so so IN 28553 3893 4 as as IN 28553 3893 5 to to TO 28553 3893 6 depress depress VB 28553 3893 7 the the DT 28553 3893 8 right right JJ 28553 3893 9 - - HYPH 28553 3893 10 hand hand NN 28553 3893 11 end end NN 28553 3893 12 of of IN 28553 3893 13 R r NN 28553 3893 14 and and CC 28553 3893 15 bring bring VB 28553 3893 16 B b NN 28553 3893 17 into into IN 28553 3893 18 gear gear NN 28553 3893 19 with with IN 28553 3893 20 D d NN 28553 3893 21 , , , 28553 3893 22 which which WDT 28553 3893 23 in in IN 28553 3893 24 turn turn NN 28553 3893 25 moves move VBZ 28553 3893 26 E e NN 28553 3893 27 , , , 28553 3893 28 mounted mount VBN 28553 3893 29 on on IN 28553 3893 30 the the DT 28553 3893 31 end end NN 28553 3893 32 of of IN 28553 3893 33 the the DT 28553 3893 34 minute minute JJ 28553 3893 35 - - HYPH 28553 3893 36 hand hand NN 28553 3893 37 shaft shaft NN 28553 3893 38 . . . 28553 3894 1 The the DT 28553 3894 2 hands hand NNS 28553 3894 3 can can MD 28553 3894 4 now now RB 28553 3894 5 be be VB 28553 3894 6 moved move VBN 28553 3894 7 in in IN 28553 3894 8 either either DT 28553 3894 9 direction direction NN 28553 3894 10 by by IN 28553 3894 11 turning turn VBG 28553 3894 12 M. M. NNP 28553 3894 13 On on IN 28553 3894 14 releasing release VBG 28553 3894 15 the the DT 28553 3894 16 push push NN 28553 3894 17 - - HYPH 28553 3894 18 piece piece NN 28553 3894 19 the the DT 28553 3894 20 winding winding NN 28553 3894 21 - - HYPH 28553 3894 22 wheels wheel NNS 28553 3894 23 engage engage VB 28553 3894 24 again again RB 28553 3894 25 . . . 28553 3895 1 The the DT 28553 3895 2 _ _ NNP 28553 3895 3 shifting shift VBG 28553 3895 4 sleeve sleeve NN 28553 3895 5 _ _ NNP 28553 3895 6 mechanism mechanism NN 28553 3895 7 has have VBZ 28553 3895 8 a a DT 28553 3895 9 bevel bevel JJ 28553 3895 10 pinion pinion NN 28553 3895 11 in in IN 28553 3895 12 the the DT 28553 3895 13 place place NN 28553 3895 14 of of IN 28553 3895 15 G g NN 28553 3895 16 ( ( -LRB- 28553 3895 17 Fig fig NN 28553 3895 18 . . . 28553 3896 1 209 209 LS 28553 3896 2 ) ) -RRB- 28553 3896 3 gearing gear VBG 28553 3896 4 with with IN 28553 3896 5 the the DT 28553 3896 6 mainspring mainspre VBG 28553 3896 7 cog cog NN 28553 3896 8 . . . 28553 3897 1 The the DT 28553 3897 2 shaft shaft NN 28553 3897 3 of of IN 28553 3897 4 the the DT 28553 3897 5 knob knob NN 28553 3897 6 M M NNP 28553 3897 7 is be VBZ 28553 3897 8 round round JJ 28553 3897 9 where where WRB 28553 3897 10 it -PRON- PRP 28553 3897 11 passes pass VBZ 28553 3897 12 through through IN 28553 3897 13 the the DT 28553 3897 14 bevel bevel NN 28553 3897 15 and and CC 28553 3897 16 can can MD 28553 3897 17 turn turn VB 28553 3897 18 freely freely RB 28553 3897 19 inside inside IN 28553 3897 20 it -PRON- PRP 28553 3897 21 , , , 28553 3897 22 but but CC 28553 3897 23 is be VBZ 28553 3897 24 square square RB 28553 3897 25 below below RB 28553 3897 26 . . . 28553 3898 1 On on IN 28553 3898 2 the the DT 28553 3898 3 square square JJ 28553 3898 4 part part NN 28553 3898 5 is be VBZ 28553 3898 6 mounted mount VBN 28553 3898 7 a a DT 28553 3898 8 little little JJ 28553 3898 9 sliding slide VBG 28553 3898 10 clutch clutch NN 28553 3898 11 with with IN 28553 3898 12 teeth tooth NNS 28553 3898 13 on on IN 28553 3898 14 the the DT 28553 3898 15 top top NN 28553 3898 16 corresponding correspond VBG 28553 3898 17 with with IN 28553 3898 18 the the DT 28553 3898 19 other other JJ 28553 3898 20 teeth tooth NNS 28553 3898 21 on on IN 28553 3898 22 the the DT 28553 3898 23 under under JJ 28553 3898 24 side side NN 28553 3898 25 of of IN 28553 3898 26 the the DT 28553 3898 27 bevel bevel NN 28553 3898 28 - - HYPH 28553 3898 29 wheel wheel NN 28553 3898 30 , , , 28553 3898 31 and and CC 28553 3898 32 teeth tooth NNS 28553 3898 33 similar similar JJ 28553 3898 34 to to IN 28553 3898 35 those those DT 28553 3898 36 of of IN 28553 3898 37 G g NN 28553 3898 38 ( ( -LRB- 28553 3898 39 Fig fig NN 28553 3898 40 . . . 28553 3899 1 209 209 CD 28553 3899 2 ) ) -RRB- 28553 3899 3 at at IN 28553 3899 4 the the DT 28553 3899 5 end end NN 28553 3899 6 . . . 28553 3900 1 The the DT 28553 3900 2 clutch clutch NN 28553 3900 3 has have VBZ 28553 3900 4 a a DT 28553 3900 5 groove groove NN 28553 3900 6 cut cut VBN 28553 3900 7 in in IN 28553 3900 8 the the DT 28553 3900 9 circumference circumference NN 28553 3900 10 , , , 28553 3900 11 and and CC 28553 3900 12 in in IN 28553 3900 13 this this DT 28553 3900 14 lies lie VBZ 28553 3900 15 the the DT 28553 3900 16 end end NN 28553 3900 17 of of IN 28553 3900 18 a a DT 28553 3900 19 spring spring NN 28553 3900 20 lever lever NN 28553 3900 21 which which WDT 28553 3900 22 can can MD 28553 3900 23 be be VB 28553 3900 24 depressed depress VBN 28553 3900 25 by by IN 28553 3900 26 the the DT 28553 3900 27 push push NN 28553 3900 28 - - HYPH 28553 3900 29 piece piece NN 28553 3900 30 . . . 28553 3901 1 The the DT 28553 3901 2 mechanism mechanism NN 28553 3901 3 much much JJ 28553 3901 4 resembles resemble NNS 28553 3901 5 on on IN 28553 3901 6 a a DT 28553 3901 7 small small JJ 28553 3901 8 scale scale NN 28553 3901 9 the the DT 28553 3901 10 motor motor NN 28553 3901 11 car car NN 28553 3901 12 changing change VBG 28553 3901 13 gear gear NN 28553 3901 14 ( ( -LRB- 28553 3901 15 Fig fig NN 28553 3901 16 . . . 28553 3902 1 49 49 CD 28553 3902 2 ) ) -RRB- 28553 3902 3 . . . 28553 3903 1 Normally normally RB 28553 3903 2 , , , 28553 3903 3 the the DT 28553 3903 4 clutch clutch NN 28553 3903 5 is be VBZ 28553 3903 6 pushed push VBN 28553 3903 7 up up RP 28553 3903 8 the the DT 28553 3903 9 square square JJ 28553 3903 10 part part NN 28553 3903 11 of of IN 28553 3903 12 the the DT 28553 3903 13 knob knob NN 28553 3903 14 shaft shaft NN 28553 3903 15 by by IN 28553 3903 16 the the DT 28553 3903 17 spring spring NN 28553 3903 18 so so IN 28553 3903 19 as as IN 28553 3903 20 to to TO 28553 3903 21 engage engage VB 28553 3903 22 with with IN 28553 3903 23 the the DT 28553 3903 24 bevel bevel NN 28553 3903 25 and and CC 28553 3903 26 the the DT 28553 3903 27 winding winding NN 28553 3903 28 - - HYPH 28553 3903 29 wheels wheel NNS 28553 3903 30 . . . 28553 3904 1 On on IN 28553 3904 2 depressing depress VBG 28553 3904 3 the the DT 28553 3904 4 clutch clutch NN 28553 3904 5 by by IN 28553 3904 6 means mean NNS 28553 3904 7 of of IN 28553 3904 8 the the DT 28553 3904 9 push push NN 28553 3904 10 - - HYPH 28553 3904 11 piece piece NN 28553 3904 12 it -PRON- PRP 28553 3904 13 gears gear VBZ 28553 3904 14 with with IN 28553 3904 15 the the DT 28553 3904 16 minute minute JJ 28553 3904 17 - - HYPH 28553 3904 18 hand hand NN 28553 3904 19 pinion pinion NN 28553 3904 20 , , , 28553 3904 21 and and CC 28553 3904 22 lets let VBZ 28553 3904 23 go go VB 28553 3904 24 of of IN 28553 3904 25 the the DT 28553 3904 26 bevel bevel NN 28553 3904 27 . . . 28553 3905 1 [ [ -LRB- 28553 3905 2 Illustration illustration NN 28553 3905 3 : : : 28553 3905 4 FIG FIG NNP 28553 3905 5 . . . 28553 3906 1 210.--The 210.--the CD 28553 3906 2 hand hand NN 28553 3906 3 - - HYPH 28553 3906 4 setting set VBG 28553 3906 5 mechanism mechanism NN 28553 3906 6 in in IN 28553 3906 7 action action NN 28553 3906 8 . . . 28553 3906 9 ] ] -RRB- 28553 3907 1 In in IN 28553 3907 2 one one CD 28553 3907 3 form form NN 28553 3907 4 of of IN 28553 3907 5 this this DT 28553 3907 6 mechanism mechanism NN 28553 3907 7 the the DT 28553 3907 8 push push NN 28553 3907 9 - - HYPH 28553 3907 10 piece piece NN 28553 3907 11 is be VBZ 28553 3907 12 dispensed dispense VBN 28553 3907 13 with with IN 28553 3907 14 , , , 28553 3907 15 and and CC 28553 3907 16 the the DT 28553 3907 17 minute minute JJ 28553 3907 18 - - HYPH 28553 3907 19 wheel wheel NN 28553 3907 20 pinion pinion NN 28553 3907 21 is be VBZ 28553 3907 22 engaged engage VBN 28553 3907 23 by by IN 28553 3907 24 pulling pull VBG 28553 3907 25 the the DT 28553 3907 26 knob knob NN 28553 3907 27 upwards upwards RB 28553 3907 28 . . . 28553 3908 1 THE the DT 28553 3908 2 HOUR hour NN 28553 3908 3 - - HYPH 28553 3908 4 HAND hand NN 28553 3908 5 TRAIN train NN 28553 3908 6 . . . 28553 3909 1 [ [ -LRB- 28553 3909 2 Illustration illustration NN 28553 3909 3 : : : 28553 3909 4 FIG FIG NNP 28553 3909 5 . . . 28553 3910 1 211.--The 211.--the CD 28553 3910 2 hour hour NN 28553 3910 3 - - HYPH 28553 3910 4 hand hand NN 28553 3910 5 train train NN 28553 3910 6 of of IN 28553 3910 7 a a DT 28553 3910 8 clock clock NN 28553 3910 9 . . . 28553 3910 10 ] ] -RRB- 28553 3911 1 The the DT 28553 3911 2 teeth tooth NNS 28553 3911 3 of of IN 28553 3911 4 the the DT 28553 3911 5 mainspring mainspre VBG 28553 3911 6 drum drum NN 28553 3911 7 gear gear NN 28553 3911 8 with with IN 28553 3911 9 a a DT 28553 3911 10 cog cog NN 28553 3911 11 on on IN 28553 3911 12 the the DT 28553 3911 13 minute minute JJ 28553 3911 14 - - HYPH 28553 3911 15 hand hand NN 28553 3911 16 shaft shaft NN 28553 3911 17 , , , 28553 3911 18 which which WDT 28553 3911 19 also also RB 28553 3911 20 carries carry VBZ 28553 3911 21 one one CD 28553 3911 22 of of IN 28553 3911 23 the the DT 28553 3911 24 cogs cog NNS 28553 3911 25 of of IN 28553 3911 26 the the DT 28553 3911 27 escapement escapement NN 28553 3911 28 train train NN 28553 3911 29 . . . 28553 3912 1 The the DT 28553 3912 2 shaft shaft NN 28553 3912 3 is be VBZ 28553 3912 4 permitted permit VBN 28553 3912 5 by by IN 28553 3912 6 the the DT 28553 3912 7 escapement escapement NN 28553 3912 8 to to TO 28553 3912 9 revolve revolve VB 28553 3912 10 once once RB 28553 3912 11 an an DT 28553 3912 12 hour hour NN 28553 3912 13 . . . 28553 3913 1 Fig fig NN 28553 3913 2 . . . 28553 3914 1 211 211 CD 28553 3914 2 shows show VBZ 28553 3914 3 diagrammatically diagrammatically RB 28553 3914 4 how how WRB 28553 3914 5 this this DT 28553 3914 6 is be VBZ 28553 3914 7 managed manage VBN 28553 3914 8 . . . 28553 3915 1 The the DT 28553 3915 2 hour hour NN 28553 3915 3 - - HYPH 28553 3915 4 hand hand NN 28553 3915 5 shaft shaft NN 28553 3915 6 A a NN 28553 3915 7 ( ( -LRB- 28553 3915 8 solid solid JJ 28553 3915 9 black black NN 28553 3915 10 ) ) -RRB- 28553 3915 11 can can MD 28553 3915 12 be be VB 28553 3915 13 moved move VBN 28553 3915 14 round round RB 28553 3915 15 inside inside IN 28553 3915 16 the the DT 28553 3915 17 cog cog JJ 28553 3915 18 B B NNP 28553 3915 19 , , , 28553 3915 20 driven drive VBN 28553 3915 21 by by IN 28553 3915 22 the the DT 28553 3915 23 mainspring mainspring NN 28553 3915 24 drum drum NN 28553 3915 25 . . . 28553 3916 1 It -PRON- PRP 28553 3916 2 carries carry VBZ 28553 3916 3 a a DT 28553 3916 4 cog cog NN 28553 3916 5 , , , 28553 3916 6 C. C. NNP 28553 3916 7 This this DT 28553 3916 8 gears gear VBZ 28553 3916 9 with with IN 28553 3916 10 a a DT 28553 3916 11 cog cog NN 28553 3916 12 , , , 28553 3916 13 D d JJ 28553 3916 14 , , , 28553 3916 15 having have VBG 28553 3916 16 three three CD 28553 3916 17 times time NNS 28553 3916 18 as as IN 28553 3916 19 many many JJ 28553 3916 20 teeth tooth NNS 28553 3916 21 . . . 28553 3917 1 The the DT 28553 3917 2 cog cog JJ 28553 3917 3 E e NN 28553 3917 4 , , , 28553 3917 5 united unite VBN 28553 3917 6 to to IN 28553 3917 7 D d NN 28553 3917 8 , , , 28553 3917 9 drives drive VBZ 28553 3917 10 cog cog NNP 28553 3917 11 F F NNP 28553 3917 12 , , , 28553 3917 13 having have VBG 28553 3917 14 four four CD 28553 3917 15 times time NNS 28553 3917 16 as as IN 28553 3917 17 many many JJ 28553 3917 18 teeth tooth NNS 28553 3917 19 as as IN 28553 3917 20 E. E. NNP 28553 3917 21 To to IN 28553 3917 22 F F NNP 28553 3917 23 is be VBZ 28553 3917 24 attached attach VBN 28553 3917 25 the the DT 28553 3917 26 collar collar NN 28553 3917 27 G g NN 28553 3917 28 of of IN 28553 3917 29 the the DT 28553 3917 30 hour hour NN 28553 3917 31 - - HYPH 28553 3917 32 hand hand NN 28553 3917 33 . . . 28553 3918 1 F f NN 28553 3918 2 and and CC 28553 3918 3 G G NNP 28553 3918 4 revolve revolve VB 28553 3918 5 outside outside IN 28553 3918 6 the the DT 28553 3918 7 minute minute JJ 28553 3918 8 - - HYPH 28553 3918 9 hand hand NN 28553 3918 10 shaft shaft NN 28553 3918 11 . . . 28553 3919 1 On on IN 28553 3919 2 turning turn VBG 28553 3919 3 A a NN 28553 3919 4 , , , 28553 3919 5 C C NNP 28553 3919 6 turns turn VBZ 28553 3919 7 D d NN 28553 3919 8 and and CC 28553 3919 9 E e NN 28553 3919 10 , , , 28553 3919 11 E e NN 28553 3919 12 turns turn VBZ 28553 3919 13 F F NNP 28553 3919 14 and and CC 28553 3919 15 the the DT 28553 3919 16 hour hour NN 28553 3919 17 - - HYPH 28553 3919 18 hand hand NN 28553 3919 19 , , , 28553 3919 20 which which WDT 28553 3919 21 revolves revolve VBZ 28553 3919 22 1/3 1/3 CD 28553 3919 23 of of IN 28553 3919 24 1/4 1/4 CD 28553 3919 25 = = SYM 28553 3919 26 1/12 1/12 CD 28553 3919 27 as as RB 28553 3919 28 fast fast RB 28553 3919 29 as as IN 28553 3919 30 A. a. NN 28553 3920 1 [ [ -LRB- 28553 3920 2 41 41 CD 28553 3920 3 ] ] -RRB- 28553 3920 4 * * NFP 28553 3920 5 * * NFP 28553 3920 6 * * NFP 28553 3920 7 * * NFP 28553 3920 8 * * NFP 28553 3920 9 LOCKS lock NNS 28553 3920 10 . . . 28553 3921 1 On on IN 28553 3921 2 these these DT 28553 3921 3 unfortunately unfortunately RB 28553 3921 4 necessary necessary JJ 28553 3921 5 mechanisms mechanism NNS 28553 3921 6 a a DT 28553 3921 7 great great JJ 28553 3921 8 deal deal NN 28553 3921 9 of of IN 28553 3921 10 ingenuity ingenuity NN 28553 3921 11 has have VBZ 28553 3921 12 been be VBN 28553 3921 13 expended expend VBN 28553 3921 14 . . . 28553 3922 1 With with IN 28553 3922 2 the the DT 28553 3922 3 advance advance NN 28553 3922 4 of of IN 28553 3922 5 luxury luxury NN 28553 3922 6 and and CC 28553 3922 7 the the DT 28553 3922 8 increased increased JJ 28553 3922 9 worship worship NN 28553 3922 10 of of IN 28553 3922 11 wealth wealth NN 28553 3922 12 , , , 28553 3922 13 it -PRON- PRP 28553 3922 14 becomes become VBZ 28553 3922 15 more more JJR 28553 3922 16 and and CC 28553 3922 17 more more RBR 28553 3922 18 necessary necessary JJ 28553 3922 19 to to TO 28553 3922 20 guard guard VB 28553 3922 21 one one PRP 28553 3922 22 's 's POS 28553 3922 23 belongings belonging NNS 28553 3922 24 against against IN 28553 3922 25 the the DT 28553 3922 26 less less RBR 28553 3922 27 scrupulous scrupulous JJ 28553 3922 28 members member NNS 28553 3922 29 of of IN 28553 3922 30 society society NN 28553 3922 31 . . . 28553 3923 1 [ [ -LRB- 28553 3923 2 Illustration illustration NN 28553 3923 3 : : : 28553 3923 4 FIG FIG NNP 28553 3923 5 . . . 28553 3924 1 212 212 CD 28553 3924 2 . . . 28553 3924 3 ] ] -RRB- 28553 3925 1 The the DT 28553 3925 2 simplest simple JJS 28553 3925 3 form form NN 28553 3925 4 of of IN 28553 3925 5 lock lock NN 28553 3925 6 , , , 28553 3925 7 such such JJ 28553 3925 8 as as IN 28553 3925 9 is be VBZ 28553 3925 10 found find VBN 28553 3925 11 in in IN 28553 3925 12 desks desk NNS 28553 3925 13 and and CC 28553 3925 14 very very RB 28553 3925 15 cheap cheap JJ 28553 3925 16 articles article NNS 28553 3925 17 , , , 28553 3925 18 works work VBZ 28553 3925 19 on on IN 28553 3925 20 the the DT 28553 3925 21 principle principle NN 28553 3925 22 shown show VBN 28553 3925 23 in in IN 28553 3925 24 Fig Fig NNP 28553 3925 25 . . . 28553 3926 1 212 212 CD 28553 3926 2 . . . 28553 3927 1 The the DT 28553 3927 2 bolt bolt NN 28553 3927 3 is be VBZ 28553 3927 4 split split VBN 28553 3927 5 at at IN 28553 3927 6 the the DT 28553 3927 7 rear rear NN 28553 3927 8 , , , 28553 3927 9 and and CC 28553 3927 10 the the DT 28553 3927 11 upper upper JJ 28553 3927 12 part part NN 28553 3927 13 bent bent JJ 28553 3927 14 upwards upwards RB 28553 3927 15 to to TO 28553 3927 16 form form VB 28553 3927 17 a a DT 28553 3927 18 spring spring NN 28553 3927 19 . . . 28553 3928 1 The the DT 28553 3928 2 under under JJ 28553 3928 3 edge edge NN 28553 3928 4 has have VBZ 28553 3928 5 two two CD 28553 3928 6 notches notch NNS 28553 3928 7 cut cut VBN 28553 3928 8 in in IN 28553 3928 9 it -PRON- PRP 28553 3928 10 , , , 28553 3928 11 separated separate VBN 28553 3928 12 by by IN 28553 3928 13 a a DT 28553 3928 14 curved curved JJ 28553 3928 15 excrescence excrescence NN 28553 3928 16 . . . 28553 3929 1 The the DT 28553 3929 2 key key NN 28553 3929 3 merely merely RB 28553 3929 4 presses press VBZ 28553 3929 5 the the DT 28553 3929 6 bolt bolt NN 28553 3929 7 upwards upwards RB 28553 3929 8 against against IN 28553 3929 9 the the DT 28553 3929 10 spring spring NN 28553 3929 11 , , , 28553 3929 12 until until IN 28553 3929 13 the the DT 28553 3929 14 notch notch NN 28553 3929 15 , , , 28553 3929 16 engaging engage VBG 28553 3929 17 with with IN 28553 3929 18 the the DT 28553 3929 19 frame frame NN 28553 3929 20 , , , 28553 3929 21 moves move VBZ 28553 3929 22 it -PRON- PRP 28553 3929 23 backwards backwards RB 28553 3929 24 or or CC 28553 3929 25 forwards forwards RB 28553 3929 26 until until IN 28553 3929 27 the the DT 28553 3929 28 spring spring NN 28553 3929 29 drives drive VBZ 28553 3929 30 the the DT 28553 3929 31 tail tail NN 28553 3929 32 down down RP 28553 3929 33 into into IN 28553 3929 34 the the DT 28553 3929 35 other other JJ 28553 3929 36 notch notch NN 28553 3929 37 . . . 28553 3930 1 This this DT 28553 3930 2 primitive primitive JJ 28553 3930 3 device device NN 28553 3930 4 affords afford NNS 28553 3930 5 , , , 28553 3930 6 of of IN 28553 3930 7 course course NN 28553 3930 8 , , , 28553 3930 9 very very RB 28553 3930 10 little little JJ 28553 3930 11 security security NN 28553 3930 12 . . . 28553 3931 1 An an DT 28553 3931 2 advance advance NN 28553 3931 3 is be VBZ 28553 3931 4 seen see VBN 28553 3931 5 in in IN 28553 3931 6 the the DT 28553 3931 7 TUMBLER tumbler NN 28553 3931 8 LOCK lock NN 28553 3931 9 . . . 28553 3932 1 [ [ -LRB- 28553 3932 2 Illustration illustration NN 28553 3932 3 : : : 28553 3932 4 FIG FIG NNP 28553 3932 5 . . . 28553 3933 1 213 213 CD 28553 3933 2 . . . 28553 3933 3 ] ] -RRB- 28553 3934 1 The the DT 28553 3934 2 bolt bolt NN 28553 3934 3 now now RB 28553 3934 4 can can MD 28553 3934 5 move move VB 28553 3934 6 only only RB 28553 3934 7 in in IN 28553 3934 8 a a DT 28553 3934 9 horizontal horizontal JJ 28553 3934 10 direction direction NN 28553 3934 11 . . . 28553 3935 1 It -PRON- PRP 28553 3935 2 has have VBZ 28553 3935 3 an an DT 28553 3935 4 opening opening NN 28553 3935 5 cut cut NN 28553 3935 6 in in IN 28553 3935 7 it -PRON- PRP 28553 3935 8 with with IN 28553 3935 9 two two CD 28553 3935 10 notches notch NNS 28553 3935 11 ( ( -LRB- 28553 3935 12 Figs fig NNS 28553 3935 13 . . . 28553 3936 1 213 213 CD 28553 3936 2 , , , 28553 3936 3 214 214 CD 28553 3936 4 ) ) -RRB- 28553 3936 5 . . . 28553 3937 1 Behind behind IN 28553 3937 2 the the DT 28553 3937 3 bolt bolt NN 28553 3937 4 lies lie VBZ 28553 3937 5 the the DT 28553 3937 6 _ _ NNP 28553 3937 7 tumbler tumbler NN 28553 3937 8 _ _ NNP 28553 3937 9 T T NNP 28553 3937 10 ( ( -LRB- 28553 3937 11 indicated indicate VBN 28553 3937 12 by by IN 28553 3937 13 the the DT 28553 3937 14 dotted dotted JJ 28553 3937 15 line line NN 28553 3937 16 ) ) -RRB- 28553 3937 17 , , , 28553 3937 18 pivoted pivot VBN 28553 3937 19 at at IN 28553 3937 20 the the DT 28553 3937 21 angle angle NN 28553 3937 22 on on IN 28553 3937 23 a a DT 28553 3937 24 pin pin NN 28553 3937 25 . . . 28553 3938 1 From from IN 28553 3938 2 the the DT 28553 3938 3 face face NN 28553 3938 4 of of IN 28553 3938 5 the the DT 28553 3938 6 tumbler tumbler NN 28553 3938 7 a a DT 28553 3938 8 stud stud NN 28553 3938 9 , , , 28553 3938 10 S S NNP 28553 3938 11 , , , 28553 3938 12 projects project VBZ 28553 3938 13 through through IN 28553 3938 14 the the DT 28553 3938 15 hole hole NN 28553 3938 16 in in IN 28553 3938 17 the the DT 28553 3938 18 bolt bolt NN 28553 3938 19 . . . 28553 3939 1 This this DT 28553 3939 2 stud stud NN 28553 3939 3 is be VBZ 28553 3939 4 forced force VBN 28553 3939 5 into into IN 28553 3939 6 one one CD 28553 3939 7 or or CC 28553 3939 8 other other JJ 28553 3939 9 of of IN 28553 3939 10 the the DT 28553 3939 11 notches notch NNS 28553 3939 12 by by IN 28553 3939 13 the the DT 28553 3939 14 spring spring NN 28553 3939 15 , , , 28553 3939 16 S^1 S^1 NNP 28553 3939 17 , , , 28553 3939 18 which which WDT 28553 3939 19 presses press VBZ 28553 3939 20 on on IN 28553 3939 21 the the DT 28553 3939 22 tail tail NN 28553 3939 23 of of IN 28553 3939 24 the the DT 28553 3939 25 tumbler tumbler NN 28553 3939 26 . . . 28553 3940 1 [ [ -LRB- 28553 3940 2 Illustration illustration NN 28553 3940 3 : : : 28553 3940 4 FIG FIG NNP 28553 3940 5 . . . 28553 3941 1 214 214 CD 28553 3941 2 . . . 28553 3941 3 ] ] -RRB- 28553 3942 1 In in IN 28553 3942 2 Fig Fig NNP 28553 3942 3 . . . 28553 3943 1 213 213 CD 28553 3943 2 the the DT 28553 3943 3 key key NN 28553 3943 4 is be VBZ 28553 3943 5 about about JJ 28553 3943 6 to to TO 28553 3943 7 actuate actuate VB 28553 3943 8 the the DT 28553 3943 9 locking locking NN 28553 3943 10 mechanism mechanism NN 28553 3943 11 . . . 28553 3944 1 The the DT 28553 3944 2 next next JJ 28553 3944 3 diagram diagram NN 28553 3944 4 ( ( -LRB- 28553 3944 5 Fig fig NN 28553 3944 6 . . . 28553 3945 1 214 214 CD 28553 3945 2 ) ) -RRB- 28553 3945 3 shows show VBZ 28553 3945 4 how how WRB 28553 3945 5 the the DT 28553 3945 6 key key NN 28553 3945 7 , , , 28553 3945 8 as as IN 28553 3945 9 it -PRON- PRP 28553 3945 10 enters enter VBZ 28553 3945 11 the the DT 28553 3945 12 notch notch NN 28553 3945 13 on on IN 28553 3945 14 the the DT 28553 3945 15 lower low JJR 28553 3945 16 side side NN 28553 3945 17 of of IN 28553 3945 18 the the DT 28553 3945 19 bolt bolt NN 28553 3945 20 to to TO 28553 3945 21 move move VB 28553 3945 22 it -PRON- PRP 28553 3945 23 along along RB 28553 3945 24 , , , 28553 3945 25 also also RB 28553 3945 26 raises raise VBZ 28553 3945 27 the the DT 28553 3945 28 tumbler tumbler NN 28553 3945 29 stud stud NN 28553 3945 30 clear clear JJ 28553 3945 31 of of IN 28553 3945 32 the the DT 28553 3945 33 projection projection NN 28553 3945 34 between between IN 28553 3945 35 the the DT 28553 3945 36 two two CD 28553 3945 37 notches notch NNS 28553 3945 38 . . . 28553 3946 1 By by IN 28553 3946 2 the the DT 28553 3946 3 time time NN 28553 3946 4 that that WDT 28553 3946 5 the the DT 28553 3946 6 bolt bolt NN 28553 3946 7 has have VBZ 28553 3946 8 been be VBN 28553 3946 9 fully fully RB 28553 3946 10 " " `` 28553 3946 11 shot shoot VBN 28553 3946 12 , , , 28553 3946 13 " " '' 28553 3946 14 the the DT 28553 3946 15 key key NN 28553 3946 16 leaves leave VBZ 28553 3946 17 the the DT 28553 3946 18 under under IN 28553 3946 19 notch notch NN 28553 3946 20 and and CC 28553 3946 21 allows allow VBZ 28553 3946 22 the the DT 28553 3946 23 tumbler tumbler NN 28553 3946 24 stud stud NN 28553 3946 25 to to TO 28553 3946 26 fall fall VB 28553 3946 27 into into IN 28553 3946 28 the the DT 28553 3946 29 rear rear JJ 28553 3946 30 locking locking NN 28553 3946 31 - - HYPH 28553 3946 32 notch notch NN 28553 3946 33 . . . 28553 3947 1 A a DT 28553 3947 2 lock lock NN 28553 3947 3 of of IN 28553 3947 4 this this DT 28553 3947 5 type type NN 28553 3947 6 also also RB 28553 3947 7 can can MD 28553 3947 8 be be VB 28553 3947 9 picked pick VBN 28553 3947 10 very very RB 28553 3947 11 easily easily RB 28553 3947 12 , , , 28553 3947 13 as as IN 28553 3947 14 the the DT 28553 3947 15 picker picker NN 28553 3947 16 has have VBZ 28553 3947 17 merely merely RB 28553 3947 18 to to TO 28553 3947 19 lift lift VB 28553 3947 20 the the DT 28553 3947 21 tumbler tumbler NN 28553 3947 22 and and CC 28553 3947 23 move move VB 28553 3947 24 the the DT 28553 3947 25 bolt bolt NN 28553 3947 26 along along RB 28553 3947 27 . . . 28553 3948 1 Barron Barron NNP 28553 3948 2 's 's POS 28553 3948 3 lock lock NN 28553 3948 4 , , , 28553 3948 5 patented patent VBN 28553 3948 6 in in IN 28553 3948 7 1778 1778 CD 28553 3948 8 , , , 28553 3948 9 had have VBD 28553 3948 10 two two CD 28553 3948 11 tumblers tumbler NNS 28553 3948 12 and and CC 28553 3948 13 two two CD 28553 3948 14 studs stud NNS 28553 3948 15 ; ; : 28553 3948 16 and and CC 28553 3948 17 the the DT 28553 3948 18 opening opening NN 28553 3948 19 in in IN 28553 3948 20 the the DT 28553 3948 21 bolt bolt NN 28553 3948 22 had have VBD 28553 3948 23 notches notch NNS 28553 3948 24 at at IN 28553 3948 25 the the DT 28553 3948 26 top top NN 28553 3948 27 as as RB 28553 3948 28 well well RB 28553 3948 29 as as IN 28553 3948 30 at at IN 28553 3948 31 the the DT 28553 3948 32 bottom bottom NN 28553 3948 33 ( ( -LRB- 28553 3948 34 Fig fig NN 28553 3948 35 . . . 28553 3949 1 215 215 CD 28553 3949 2 ) ) -RRB- 28553 3949 3 . . . 28553 3950 1 This this DT 28553 3950 2 made make VBD 28553 3950 3 it -PRON- PRP 28553 3950 4 necessary necessary JJ 28553 3950 5 for for IN 28553 3950 6 both both DT 28553 3950 7 tumblers tumbler NNS 28553 3950 8 to to TO 28553 3950 9 be be VB 28553 3950 10 raised raise VBN 28553 3950 11 simultaneously simultaneously RB 28553 3950 12 to to IN 28553 3950 13 exactly exactly RB 28553 3950 14 the the DT 28553 3950 15 right right JJ 28553 3950 16 height height NN 28553 3950 17 . . . 28553 3951 1 If if IN 28553 3951 2 either either DT 28553 3951 3 was be VBD 28553 3951 4 not not RB 28553 3951 5 lifted lift VBN 28553 3951 6 sufficiently sufficiently RB 28553 3951 7 , , , 28553 3951 8 a a DT 28553 3951 9 stud stud NN 28553 3951 10 could could MD 28553 3951 11 not not RB 28553 3951 12 clear clear VB 28553 3951 13 its -PRON- PRP$ 28553 3951 14 bottom bottom JJ 28553 3951 15 notch notch NN 28553 3951 16 ; ; : 28553 3951 17 if if IN 28553 3951 18 either either DT 28553 3951 19 rose rise VBD 28553 3951 20 too too RB 28553 3951 21 far far RB 28553 3951 22 , , , 28553 3951 23 it -PRON- PRP 28553 3951 24 engaged engage VBD 28553 3951 25 an an DT 28553 3951 26 upper upper JJ 28553 3951 27 notch notch NN 28553 3951 28 . . . 28553 3952 1 The the DT 28553 3952 2 chances chance NNS 28553 3952 3 therefore therefore RB 28553 3952 4 were be VBD 28553 3952 5 greatly greatly RB 28553 3952 6 against against IN 28553 3952 7 a a DT 28553 3952 8 wrong wrong JJ 28553 3952 9 key key NN 28553 3952 10 turning turn VBG 28553 3952 11 the the DT 28553 3952 12 lock lock NN 28553 3952 13 . . . 28553 3953 1 [ [ -LRB- 28553 3953 2 Illustration illustration NN 28553 3953 3 : : : 28553 3953 4 FIG FIG NNP 28553 3953 5 . . . 28553 3954 1 215.--The 215.--the CD 28553 3954 2 bolt bolt NN 28553 3954 3 of of IN 28553 3954 4 a a DT 28553 3954 5 Barron Barron NNP 28553 3954 6 lock lock NN 28553 3954 7 . . . 28553 3954 8 ] ] -RRB- 28553 3955 1 THE the DT 28553 3955 2 CHUBB CHUBB NNP 28553 3955 3 LOCK LOCK NNP 28553 3955 4 is be VBZ 28553 3955 5 an an DT 28553 3955 6 amplification amplification NN 28553 3955 7 of of IN 28553 3955 8 this this DT 28553 3955 9 principle principle NN 28553 3955 10 . . . 28553 3956 1 It -PRON- PRP 28553 3956 2 usually usually RB 28553 3956 3 has have VBZ 28553 3956 4 several several JJ 28553 3956 5 tumblers tumbler NNS 28553 3956 6 of of IN 28553 3956 7 the the DT 28553 3956 8 shape shape NN 28553 3956 9 shown show VBN 28553 3956 10 in in IN 28553 3956 11 Fig Fig NNP 28553 3956 12 . . . 28553 3957 1 216 216 CD 28553 3957 2 . . . 28553 3958 1 The the DT 28553 3958 2 lock lock NN 28553 3958 3 stud stud NN 28553 3958 4 in in IN 28553 3958 5 these these DT 28553 3958 6 locks lock NNS 28553 3958 7 projects project NNS 28553 3958 8 from from IN 28553 3958 9 the the DT 28553 3958 10 bolt bolt NN 28553 3958 11 itself -PRON- PRP 28553 3958 12 , , , 28553 3958 13 and and CC 28553 3958 14 the the DT 28553 3958 15 openings opening NNS 28553 3958 16 , , , 28553 3958 17 or or CC 28553 3958 18 " " `` 28553 3958 19 gates gate NNS 28553 3958 20 , , , 28553 3958 21 " " '' 28553 3958 22 through through IN 28553 3958 23 which which WDT 28553 3958 24 the the DT 28553 3958 25 stud stud NN 28553 3958 26 must must MD 28553 3958 27 pass pass VB 28553 3958 28 as as IN 28553 3958 29 the the DT 28553 3958 30 lock lock NN 28553 3958 31 moves move NNS 28553 3958 32 , , , 28553 3958 33 are be VBP 28553 3958 34 cut cut VBN 28553 3958 35 in in IN 28553 3958 36 the the DT 28553 3958 37 tumblers tumbler NNS 28553 3958 38 . . . 28553 3959 1 It -PRON- PRP 28553 3959 2 will will MD 28553 3959 3 be be VB 28553 3959 4 noticed notice VBN 28553 3959 5 that that IN 28553 3959 6 the the DT 28553 3959 7 forward forward JJ 28553 3959 8 notch notch NN 28553 3959 9 of of IN 28553 3959 10 the the DT 28553 3959 11 tumbler tumbler NN 28553 3959 12 has have VBZ 28553 3959 13 square square JJ 28553 3959 14 serrations serration NNS 28553 3959 15 in in IN 28553 3959 16 the the DT 28553 3959 17 edges edge NNS 28553 3959 18 . . . 28553 3960 1 These these DT 28553 3960 2 engage engage VBP 28553 3960 3 with with IN 28553 3960 4 similar similar JJ 28553 3960 5 serrations serration NNS 28553 3960 6 in in IN 28553 3960 7 the the DT 28553 3960 8 bolt bolt NN 28553 3960 9 stud stud NN 28553 3960 10 and and CC 28553 3960 11 make make VB 28553 3960 12 it -PRON- PRP 28553 3960 13 impossible impossible JJ 28553 3960 14 to to TO 28553 3960 15 raise raise VB 28553 3960 16 the the DT 28553 3960 17 tumbler tumbler NN 28553 3960 18 if if IN 28553 3960 19 the the DT 28553 3960 20 bolt bolt NN 28553 3960 21 begins begin VBZ 28553 3960 22 to to TO 28553 3960 23 move move VB 28553 3960 24 too too RB 28553 3960 25 soon soon RB 28553 3960 26 when when WRB 28553 3960 27 a a DT 28553 3960 28 wrong wrong JJ 28553 3960 29 key key NN 28553 3960 30 is be VBZ 28553 3960 31 inserted insert VBN 28553 3960 32 . . . 28553 3961 1 [ [ -LRB- 28553 3961 2 Illustration illustration NN 28553 3961 3 : : : 28553 3961 4 FIG FIG NNP 28553 3961 5 . . . 28553 3962 1 216.--Tumbler 216.--tumbler CD 28553 3962 2 of of IN 28553 3962 3 Chubb Chubb NNP 28553 3962 4 lock lock NN 28553 3962 5 . . . 28553 3962 6 ] ] -RRB- 28553 3963 1 Fig fig NN 28553 3963 2 . . . 28553 3964 1 217 217 CD 28553 3964 2 is be VBZ 28553 3964 3 a a DT 28553 3964 4 Chubb Chubb NNP 28553 3964 5 key key NN 28553 3964 6 with with IN 28553 3964 7 eight eight CD 28553 3964 8 steps step NNS 28553 3964 9 . . . 28553 3965 1 That that DT 28553 3965 2 nearest near JJS 28553 3965 3 the the DT 28553 3965 4 head head NN 28553 3965 5 ( ( -LRB- 28553 3965 6 8) 8) CD 28553 3965 7 operates operate VBZ 28553 3965 8 a a DT 28553 3965 9 circular circular JJ 28553 3965 10 revolving revolving JJ 28553 3965 11 curtain curtain NN 28553 3965 12 , , , 28553 3965 13 which which WDT 28553 3965 14 prevents prevent VBZ 28553 3965 15 the the DT 28553 3965 16 introduction introduction NN 28553 3965 17 of of IN 28553 3965 18 picking pick VBG 28553 3965 19 tools tool NNS 28553 3965 20 when when WRB 28553 3965 21 a a DT 28553 3965 22 key key NN 28553 3965 23 is be VBZ 28553 3965 24 inserted insert VBN 28553 3965 25 and and CC 28553 3965 26 partly partly RB 28553 3965 27 turned turn VBN 28553 3965 28 , , , 28553 3965 29 as as IN 28553 3965 30 the the DT 28553 3965 31 key key JJ 28553 3965 32 slot slot NN 28553 3965 33 in in IN 28553 3965 34 the the DT 28553 3965 35 curtain curtain NN 28553 3965 36 is be VBZ 28553 3965 37 no no DT 28553 3965 38 longer long RBR 28553 3965 39 opposite opposite JJ 28553 3965 40 that that IN 28553 3965 41 in in IN 28553 3965 42 the the DT 28553 3965 43 lock lock NN 28553 3965 44 . . . 28553 3966 1 Step step NN 28553 3966 2 1 1 CD 28553 3966 3 moves move VBZ 28553 3966 4 the the DT 28553 3966 5 bolt bolt NN 28553 3966 6 . . . 28553 3967 1 [ [ -LRB- 28553 3967 2 Illustration illustration NN 28553 3967 3 : : : 28553 3967 4 FIG FIG NNP 28553 3967 5 . . . 28553 3968 1 217.--A 217.--a CD 28553 3968 2 Chubb Chubb NNP 28553 3968 3 key key NN 28553 3968 4 . . . 28553 3968 5 ] ] -RRB- 28553 3969 1 In in IN 28553 3969 2 order order NN 28553 3969 3 to to TO 28553 3969 4 shoot shoot VB 28553 3969 5 the the DT 28553 3969 6 bolt bolt NN 28553 3969 7 the the DT 28553 3969 8 height height NN 28553 3969 9 of of IN 28553 3969 10 the the DT 28553 3969 11 key key JJ 28553 3969 12 steps step NNS 28553 3969 13 must must MD 28553 3969 14 be be VB 28553 3969 15 so so RB 28553 3969 16 proportioned proportioned JJ 28553 3969 17 to to IN 28553 3969 18 the the DT 28553 3969 19 depth depth NN 28553 3969 20 of of IN 28553 3969 21 their -PRON- PRP$ 28553 3969 22 tumblers tumbler NNS 28553 3969 23 that that IN 28553 3969 24 all all PDT 28553 3969 25 the the DT 28553 3969 26 gates gate NNS 28553 3969 27 in in IN 28553 3969 28 the the DT 28553 3969 29 tumblers tumbler NNS 28553 3969 30 are be VBP 28553 3969 31 simultaneously simultaneously RB 28553 3969 32 raised raise VBN 28553 3969 33 to to IN 28553 3969 34 the the DT 28553 3969 35 right right JJ 28553 3969 36 level level NN 28553 3969 37 for for IN 28553 3969 38 the the DT 28553 3969 39 stud stud NN 28553 3969 40 to to TO 28553 3969 41 pass pass VB 28553 3969 42 through through IN 28553 3969 43 them -PRON- PRP 28553 3969 44 , , , 28553 3969 45 as as IN 28553 3969 46 in in IN 28553 3969 47 Fig Fig NNP 28553 3969 48 . . . 28553 3970 1 218 218 CD 28553 3970 2 . . . 28553 3971 1 Here here RB 28553 3971 2 you -PRON- PRP 28553 3971 3 will will MD 28553 3971 4 observe observe VB 28553 3971 5 that that IN 28553 3971 6 the the DT 28553 3971 7 tumbler tumbler NN 28553 3971 8 D d NN 28553 3971 9 on on IN 28553 3971 10 the the DT 28553 3971 11 extreme extreme JJ 28553 3971 12 right right NN 28553 3971 13 ( ( -LRB- 28553 3971 14 lifted lift VBN 28553 3971 15 by by IN 28553 3971 16 step step NN 28553 3971 17 2 2 CD 28553 3971 18 of of IN 28553 3971 19 the the DT 28553 3971 20 key key NN 28553 3971 21 ) ) -RRB- 28553 3971 22 has have VBZ 28553 3971 23 a a DT 28553 3971 24 stud stud NN 28553 3971 25 , , , 28553 3971 26 D D NNP 28553 3971 27 S S NNP 28553 3971 28 , , , 28553 3971 29 projecting project VBG 28553 3971 30 from from IN 28553 3971 31 it -PRON- PRP 28553 3971 32 over over IN 28553 3971 33 the the DT 28553 3971 34 other other JJ 28553 3971 35 tumblers tumbler NNS 28553 3971 36 . . . 28553 3972 1 This this DT 28553 3972 2 is be VBZ 28553 3972 3 called call VBN 28553 3972 4 the the DT 28553 3972 5 _ _ NNP 28553 3972 6 detector detector NN 28553 3972 7 tumbler tumbler NNP 28553 3972 8 _ _ NNP 28553 3972 9 . . . 28553 3973 1 If if IN 28553 3973 2 a a DT 28553 3973 3 false false JJ 28553 3973 4 key key NN 28553 3973 5 or or CC 28553 3973 6 picking pick VBG 28553 3973 7 tool tool NN 28553 3973 8 is be VBZ 28553 3973 9 inserted insert VBN 28553 3973 10 it -PRON- PRP 28553 3973 11 is be VBZ 28553 3973 12 certain certain JJ 28553 3973 13 to to TO 28553 3973 14 raise raise VB 28553 3973 15 one one CD 28553 3973 16 of of IN 28553 3973 17 the the DT 28553 3973 18 tumblers tumbler NNS 28553 3973 19 too too RB 28553 3973 20 far far RB 28553 3973 21 . . . 28553 3974 1 The the DT 28553 3974 2 detector detector NN 28553 3974 3 is be VBZ 28553 3974 4 then then RB 28553 3974 5 over over RB 28553 3974 6 - - HYPH 28553 3974 7 lifted lift VBN 28553 3974 8 by by IN 28553 3974 9 the the DT 28553 3974 10 stud stud NN 28553 3974 11 D D NNP 28553 3974 12 S S NNP 28553 3974 13 , , , 28553 3974 14 and and CC 28553 3974 15 a a DT 28553 3974 16 spring spring NN 28553 3974 17 catch catch NN 28553 3974 18 falls fall VBZ 28553 3974 19 into into IN 28553 3974 20 a a DT 28553 3974 21 notch notch NN 28553 3974 22 at at IN 28553 3974 23 the the DT 28553 3974 24 rear rear NN 28553 3974 25 . . . 28553 3975 1 It -PRON- PRP 28553 3975 2 is be VBZ 28553 3975 3 now now RB 28553 3975 4 impossible impossible JJ 28553 3975 5 to to TO 28553 3975 6 pick pick VB 28553 3975 7 the the DT 28553 3975 8 lock lock NN 28553 3975 9 , , , 28553 3975 10 as as IN 28553 3975 11 the the DT 28553 3975 12 detector detector NN 28553 3975 13 can can MD 28553 3975 14 be be VB 28553 3975 15 released release VBN 28553 3975 16 only only RB 28553 3975 17 by by IN 28553 3975 18 the the DT 28553 3975 19 right right JJ 28553 3975 20 key key NN 28553 3975 21 shooting shoot VBG 28553 3975 22 the the DT 28553 3975 23 bolt bolt NN 28553 3975 24 a a DT 28553 3975 25 little little JJ 28553 3975 26 further far RBR 28553 3975 27 in in IN 28553 3975 28 the the DT 28553 3975 29 locking locking NN 28553 3975 30 direction direction NN 28553 3975 31 , , , 28553 3975 32 when when WRB 28553 3975 33 a a DT 28553 3975 34 projection projection NN 28553 3975 35 on on IN 28553 3975 36 the the DT 28553 3975 37 rear rear NN 28553 3975 38 of of IN 28553 3975 39 the the DT 28553 3975 40 bolt bolt NN 28553 3975 41 lifts lift VBZ 28553 3975 42 the the DT 28553 3975 43 catch catch NN 28553 3975 44 and and CC 28553 3975 45 allows allow VBZ 28553 3975 46 the the DT 28553 3975 47 tumbler tumbler NN 28553 3975 48 to to TO 28553 3975 49 fall fall VB 28553 3975 50 . . . 28553 3976 1 The the DT 28553 3976 2 detector detector NN 28553 3976 3 also also RB 28553 3976 4 shows show VBZ 28553 3976 5 that that IN 28553 3976 6 the the DT 28553 3976 7 lock lock NN 28553 3976 8 has have VBZ 28553 3976 9 been be VBN 28553 3976 10 tampered tamper VBN 28553 3976 11 with with IN 28553 3976 12 , , , 28553 3976 13 since since IN 28553 3976 14 even even RB 28553 3976 15 the the DT 28553 3976 16 right right JJ 28553 3976 17 key key NN 28553 3976 18 can can MD 28553 3976 19 not not RB 28553 3976 20 move move VB 28553 3976 21 the the DT 28553 3976 22 bolt bolt NN 28553 3976 23 until until IN 28553 3976 24 the the DT 28553 3976 25 overlocking overlocking NN 28553 3976 26 has have VBZ 28553 3976 27 been be VBN 28553 3976 28 performed perform VBN 28553 3976 29 . . . 28553 3977 1 [ [ -LRB- 28553 3977 2 Illustration illustration NN 28553 3977 3 : : : 28553 3977 4 FIG FIG NNP 28553 3977 5 . . . 28553 3978 1 218.--A 218.--A NNP 28553 3978 2 Chubb Chubb NNP 28553 3978 3 key key NN 28553 3978 4 raising raise VBG 28553 3978 5 all all PDT 28553 3978 6 the the DT 28553 3978 7 tumblers tumbler NNS 28553 3978 8 to to IN 28553 3978 9 the the DT 28553 3978 10 correct correct JJ 28553 3978 11 height height NN 28553 3978 12 . . . 28553 3978 13 ] ] -RRB- 28553 3979 1 Each each DT 28553 3979 2 tumbler tumbler NN 28553 3979 3 step step NN 28553 3979 4 of of IN 28553 3979 5 a a DT 28553 3979 6 large large JJ 28553 3979 7 Chubb Chubb NNP 28553 3979 8 key key NN 28553 3979 9 can can MD 28553 3979 10 be be VB 28553 3979 11 given give VBN 28553 3979 12 one one CD 28553 3979 13 of of IN 28553 3979 14 thirty thirty CD 28553 3979 15 different different JJ 28553 3979 16 heights height NNS 28553 3979 17 ; ; : 28553 3979 18 the the DT 28553 3979 19 bolt bolt NN 28553 3979 20 step step VBP 28553 3979 21 one one CD 28553 3979 22 of of IN 28553 3979 23 twenty twenty CD 28553 3979 24 . . . 28553 3980 1 By by IN 28553 3980 2 merely merely RB 28553 3980 3 transposing transpose VBG 28553 3980 4 the the DT 28553 3980 5 order order NN 28553 3980 6 of of IN 28553 3980 7 the the DT 28553 3980 8 steps step NNS 28553 3980 9 in in IN 28553 3980 10 a a DT 28553 3980 11 six six CD 28553 3980 12 - - HYPH 28553 3980 13 step step NN 28553 3980 14 key key NN 28553 3980 15 it -PRON- PRP 28553 3980 16 is be VBZ 28553 3980 17 possible possible JJ 28553 3980 18 to to TO 28553 3980 19 get get VB 28553 3980 20 720 720 CD 28553 3980 21 different different JJ 28553 3980 22 combinations combination NNS 28553 3980 23 . . . 28553 3981 1 By by IN 28553 3981 2 diminishing diminish VBG 28553 3981 3 or or CC 28553 3981 4 increasing increase VBG 28553 3981 5 the the DT 28553 3981 6 heights height NNS 28553 3981 7 the the DT 28553 3981 8 possible possible JJ 28553 3981 9 combinations combination NNS 28553 3981 10 may may MD 28553 3981 11 be be VB 28553 3981 12 raised raise VBN 28553 3981 13 to to IN 28553 3981 14 the the DT 28553 3981 15 enormous enormous JJ 28553 3981 16 total total NN 28553 3981 17 of of IN 28553 3981 18 7,776,000 7,776,000 CD 28553 3981 19 ! ! . 28553 3982 1 [ [ -LRB- 28553 3982 2 Illustration illustration NN 28553 3982 3 : : : 28553 3982 4 FIG FIG NNP 28553 3982 5 . . . 28553 3983 1 219.--Section 219.--section CD 28553 3983 2 of of IN 28553 3983 3 a a DT 28553 3983 4 Yale Yale NNP 28553 3983 5 lock lock NN 28553 3983 6 . . . 28553 3983 7 ] ] -RRB- 28553 3984 1 THE the DT 28553 3984 2 YALE YALE NNP 28553 3984 3 LOCK LOCK NNP 28553 3984 4 , , , 28553 3984 5 which which WDT 28553 3984 6 comes come VBZ 28553 3984 7 from from IN 28553 3984 8 America America NNP 28553 3984 9 , , , 28553 3984 10 works work VBZ 28553 3984 11 on on IN 28553 3984 12 a a DT 28553 3984 13 quite quite RB 28553 3984 14 different different JJ 28553 3984 15 system system NN 28553 3984 16 . . . 28553 3985 1 Its -PRON- PRP$ 28553 3985 2 most most RBS 28553 3985 3 noticeable noticeable JJ 28553 3985 4 feature feature NN 28553 3985 5 is be VBZ 28553 3985 6 that that IN 28553 3985 7 it -PRON- PRP 28553 3985 8 permits permit VBZ 28553 3985 9 the the DT 28553 3985 10 use use NN 28553 3985 11 of of IN 28553 3985 12 a a DT 28553 3985 13 very very RB 28553 3985 14 small small JJ 28553 3985 15 key key NN 28553 3985 16 , , , 28553 3985 17 though though IN 28553 3985 18 the the DT 28553 3985 19 number number NN 28553 3985 20 of of IN 28553 3985 21 combinations combination NNS 28553 3985 22 possible possible JJ 28553 3985 23 is be VBZ 28553 3985 24 still still RB 28553 3985 25 enormous enormous JJ 28553 3985 26 ( ( -LRB- 28553 3985 27 several several JJ 28553 3985 28 millions million NNS 28553 3985 29 ) ) -RRB- 28553 3985 30 . . . 28553 3986 1 In in IN 28553 3986 2 our -PRON- PRP$ 28553 3986 3 illustrations illustration NNS 28553 3986 4 ( ( -LRB- 28553 3986 5 Figs fig NNS 28553 3986 6 . . . 28553 3987 1 219 219 CD 28553 3987 2 , , , 28553 3987 3 220 220 CD 28553 3987 4 , , , 28553 3987 5 221 221 CD 28553 3987 6 ) ) -RRB- 28553 3987 7 we -PRON- PRP 28553 3987 8 show show VBP 28553 3987 9 the the DT 28553 3987 10 mechanism mechanism NN 28553 3987 11 controlling control VBG 28553 3987 12 the the DT 28553 3987 13 turning turning NN 28553 3987 14 of of IN 28553 3987 15 the the DT 28553 3987 16 key key NN 28553 3987 17 . . . 28553 3988 1 The the DT 28553 3988 2 keyhole keyhole NN 28553 3988 3 is be VBZ 28553 3988 4 a a DT 28553 3988 5 narrow narrow JJ 28553 3988 6 twisted twisted JJ 28553 3988 7 slot slot NN 28553 3988 8 in in IN 28553 3988 9 the the DT 28553 3988 10 face face NN 28553 3988 11 of of IN 28553 3988 12 a a DT 28553 3988 13 cylinder cylinder NN 28553 3988 14 , , , 28553 3988 15 G g NN 28553 3988 16 ( ( -LRB- 28553 3988 17 Fig fig NN 28553 3988 18 . . . 28553 3989 1 219 219 CD 28553 3989 2 ) ) -RRB- 28553 3989 3 , , , 28553 3989 4 which which WDT 28553 3989 5 revolves revolve VBZ 28553 3989 6 inside inside IN 28553 3989 7 a a DT 28553 3989 8 larger large JJR 28553 3989 9 fixed fix VBN 28553 3989 10 cylinder cylinder NN 28553 3989 11 , , , 28553 3989 12 F. F. NNP 28553 3989 13 As as IN 28553 3989 14 the the DT 28553 3989 15 key key NN 28553 3989 16 is be VBZ 28553 3989 17 pushed push VBN 28553 3989 18 in in IN 28553 3989 19 , , , 28553 3989 20 the the DT 28553 3989 21 notches notch NNS 28553 3989 22 in in IN 28553 3989 23 its -PRON- PRP$ 28553 3989 24 upper upper JJ 28553 3989 25 edge edge NN 28553 3989 26 raise raise VB 28553 3989 27 up up RP 28553 3989 28 the the DT 28553 3989 29 pins pin NNS 28553 3989 30 A^1 A^1 NNP 28553 3989 31 , , , 28553 3989 32 B^1 B^1 NNP 28553 3989 33 , , , 28553 3989 34 C^1 C^1 NNP 28553 3989 35 , , , 28553 3989 36 D^1 D^1 NNP 28553 3989 37 , , , 28553 3989 38 E^1 E^1 NNP 28553 3989 39 , , , 28553 3989 40 until until IN 28553 3989 41 their -PRON- PRP$ 28553 3989 42 tops top NNS 28553 3989 43 exactly exactly RB 28553 3989 44 reach reach VB 28553 3989 45 the the DT 28553 3989 46 surface surface NN 28553 3989 47 of of IN 28553 3989 48 G g NN 28553 3989 49 , , , 28553 3989 50 which which WDT 28553 3989 51 can can MD 28553 3989 52 now now RB 28553 3989 53 be be VB 28553 3989 54 revolved revolve VBN 28553 3989 55 by by IN 28553 3989 56 the the DT 28553 3989 57 key key NN 28553 3989 58 in in IN 28553 3989 59 Fig Fig NNP 28553 3989 60 . . . 28553 3990 1 220 220 CD 28553 3990 2 , , , 28553 3990 3 and and CC 28553 3990 4 work work VB 28553 3990 5 the the DT 28553 3990 6 bolt bolt NN 28553 3990 7 through through IN 28553 3990 8 the the DT 28553 3990 9 medium medium NN 28553 3990 10 of of IN 28553 3990 11 the the DT 28553 3990 12 arm arm NN 28553 3990 13 H. H. NNP 28553 3990 14 ( ( -LRB- 28553 3990 15 The the DT 28553 3990 16 bolt bolt NN 28553 3990 17 itself -PRON- PRP 28553 3990 18 is be VBZ 28553 3990 19 not not RB 28553 3990 20 shown show VBN 28553 3990 21 . . . 28553 3990 22 ) ) -RRB- 28553 3991 1 If if IN 28553 3991 2 a a DT 28553 3991 3 wrong wrong JJ 28553 3991 4 key key NN 28553 3991 5 is be VBZ 28553 3991 6 inserted insert VBN 28553 3991 7 , , , 28553 3991 8 either either CC 28553 3991 9 some some DT 28553 3991 10 of of IN 28553 3991 11 the the DT 28553 3991 12 lower low JJR 28553 3991 13 pins pin NNS 28553 3991 14 will will MD 28553 3991 15 project project VB 28553 3991 16 upwards upwards RB 28553 3991 17 into into IN 28553 3991 18 the the DT 28553 3991 19 fixed fix VBN 28553 3991 20 cylinder cylinder NN 28553 3991 21 F F NNP 28553 3991 22 ( ( -LRB- 28553 3991 23 see see VB 28553 3991 24 Fig Fig NNP 28553 3991 25 . . . 28553 3992 1 221 221 CD 28553 3992 2 ) ) -RRB- 28553 3992 3 , , , 28553 3992 4 or or CC 28553 3992 5 some some DT 28553 3992 6 of of IN 28553 3992 7 the the DT 28553 3992 8 pins pin NNS 28553 3992 9 in in IN 28553 3992 10 F F NNP 28553 3992 11 will will MD 28553 3992 12 sink sink VB 28553 3992 13 into into IN 28553 3992 14 G. G. NNP 28553 3992 15 It -PRON- PRP 28553 3992 16 is be VBZ 28553 3992 17 then then RB 28553 3992 18 impossible impossible JJ 28553 3992 19 to to TO 28553 3992 20 turn turn VB 28553 3992 21 the the DT 28553 3992 22 key key NN 28553 3992 23 . . . 28553 3993 1 [ [ -LRB- 28553 3993 2 Illustration illustration NN 28553 3993 3 : : : 28553 3993 4 FIG FIG NNP 28553 3993 5 . . . 28553 3994 1 220.--Yale 220.--yale LS 28553 3994 2 key key JJ 28553 3994 3 turning turning NN 28553 3994 4 . . . 28553 3994 5 ] ] -RRB- 28553 3995 1 There there EX 28553 3995 2 are be VBP 28553 3995 3 other other JJ 28553 3995 4 well well RB 28553 3995 5 - - HYPH 28553 3995 6 known know VBN 28553 3995 7 locks lock NNS 28553 3995 8 , , , 28553 3995 9 such such JJ 28553 3995 10 as as IN 28553 3995 11 those those DT 28553 3995 12 invented invent VBN 28553 3995 13 by by IN 28553 3995 14 Bramah Bramah NNP 28553 3995 15 and and CC 28553 3995 16 Hobbs Hobbs NNPS 28553 3995 17 . . . 28553 3996 1 But but CC 28553 3996 2 as as IN 28553 3996 3 these these DT 28553 3996 4 do do VBP 28553 3996 5 not not RB 28553 3996 6 lend lend VB 28553 3996 7 themselves -PRON- PRP 28553 3996 8 readily readily RB 28553 3996 9 to to IN 28553 3996 10 illustration illustration NN 28553 3996 11 no no DT 28553 3996 12 detailed detailed JJ 28553 3996 13 account account NN 28553 3996 14 can can MD 28553 3996 15 be be VB 28553 3996 16 given give VBN 28553 3996 17 . . . 28553 3997 1 We -PRON- PRP 28553 3997 2 might may MD 28553 3997 3 , , , 28553 3997 4 however however RB 28553 3997 5 , , , 28553 3997 6 notice notice VB 28553 3997 7 the the DT 28553 3997 8 _ _ NNP 28553 3997 9 time time NN 28553 3997 10 _ _ NNP 28553 3997 11 lock lock NN 28553 3997 12 , , , 28553 3997 13 which which WDT 28553 3997 14 is be VBZ 28553 3997 15 set set VBN 28553 3997 16 to to IN 28553 3997 17 a a DT 28553 3997 18 certain certain JJ 28553 3997 19 hour hour NN 28553 3997 20 , , , 28553 3997 21 and and CC 28553 3997 22 can can MD 28553 3997 23 be be VB 28553 3997 24 opened open VBN 28553 3997 25 by by IN 28553 3997 26 the the DT 28553 3997 27 right right JJ 28553 3997 28 key key NN 28553 3997 29 or or CC 28553 3997 30 a a DT 28553 3997 31 number number NN 28553 3997 32 of of IN 28553 3997 33 keys key NNS 28553 3997 34 in in IN 28553 3997 35 combination combination NN 28553 3997 36 only only RB 28553 3997 37 when when WRB 28553 3997 38 that that DT 28553 3997 39 hour hour NN 28553 3997 40 is be VBZ 28553 3997 41 reached reach VBN 28553 3997 42 . . . 28553 3998 1 Another another DT 28553 3998 2 very very RB 28553 3998 3 interesting interesting JJ 28553 3998 4 device device NN 28553 3998 5 is be VBZ 28553 3998 6 the the DT 28553 3998 7 _ _ NNP 28553 3998 8 automatic automatic JJ 28553 3998 9 combination combination NN 28553 3998 10 _ _ NNP 28553 3998 11 lock lock NN 28553 3998 12 . . . 28553 3999 1 This this DT 28553 3999 2 may may MD 28553 3999 3 have have VB 28553 3999 4 twenty twenty CD 28553 3999 5 or or CC 28553 3999 6 more more JJR 28553 3999 7 keys key NNS 28553 3999 8 , , , 28553 3999 9 any any DT 28553 3999 10 one one CD 28553 3999 11 of of IN 28553 3999 12 which which WDT 28553 3999 13 can can MD 28553 3999 14 lock lock VB 28553 3999 15 it -PRON- PRP 28553 3999 16 ; ; : 28553 3999 17 but but CC 28553 3999 18 the the DT 28553 3999 19 same same JJ 28553 3999 20 one one NN 28553 3999 21 must must MD 28553 3999 22 be be VB 28553 3999 23 used use VBN 28553 3999 24 to to IN 28553 3999 25 _ _ NNP 28553 3999 26 un_lock un_lock VB 28553 3999 27 it -PRON- PRP 28553 3999 28 , , , 28553 3999 29 as as IN 28553 3999 30 the the DT 28553 3999 31 key key NN 28553 3999 32 automatically automatically RB 28553 3999 33 sets set VBZ 28553 3999 34 the the DT 28553 3999 35 mechanism mechanism NN 28553 3999 36 in in IN 28553 3999 37 favour favour NN 28553 3999 38 of of IN 28553 3999 39 itself -PRON- PRP 28553 3999 40 . . . 28553 4000 1 With with IN 28553 4000 2 such such PDT 28553 4000 3 a a DT 28553 4000 4 lock lock NN 28553 4000 5 it -PRON- PRP 28553 4000 6 would would MD 28553 4000 7 be be VB 28553 4000 8 possible possible JJ 28553 4000 9 to to TO 28553 4000 10 have have VB 28553 4000 11 a a DT 28553 4000 12 different different JJ 28553 4000 13 key key NN 28553 4000 14 for for IN 28553 4000 15 every every DT 28553 4000 16 day day NN 28553 4000 17 in in IN 28553 4000 18 the the DT 28553 4000 19 month month NN 28553 4000 20 ; ; : 28553 4000 21 and and CC 28553 4000 22 if if IN 28553 4000 23 any any DT 28553 4000 24 one one CD 28553 4000 25 key key NN 28553 4000 26 got get VBD 28553 4000 27 into into IN 28553 4000 28 wrong wrong JJ 28553 4000 29 hands hand NNS 28553 4000 30 it -PRON- PRP 28553 4000 31 would would MD 28553 4000 32 be be VB 28553 4000 33 useless useless JJ 28553 4000 34 unless unless IN 28553 4000 35 it -PRON- PRP 28553 4000 36 happened happen VBD 28553 4000 37 to to TO 28553 4000 38 be be VB 28553 4000 39 the the DT 28553 4000 40 one one CD 28553 4000 41 which which WDT 28553 4000 42 last last RB 28553 4000 43 locked lock VBD 28553 4000 44 the the DT 28553 4000 45 lock lock NN 28553 4000 46 . . . 28553 4001 1 [ [ -LRB- 28553 4001 2 Illustration illustration NN 28553 4001 3 : : : 28553 4001 4 FIG FIG NNP 28553 4001 5 . . . 28553 4002 1 221.--The 221.--the CD 28553 4002 2 wrong wrong JJ 28553 4002 3 key key NN 28553 4002 4 inserted insert VBD 28553 4002 5 . . . 28553 4003 1 The the DT 28553 4003 2 pins pin NNS 28553 4003 3 do do VBP 28553 4003 4 not not RB 28553 4003 5 allow allow VB 28553 4003 6 the the DT 28553 4003 7 lock lock NN 28553 4003 8 to to TO 28553 4003 9 be be VB 28553 4003 10 turned turn VBN 28553 4003 11 . . . 28553 4003 12 ] ] -RRB- 28553 4004 1 * * NFP 28553 4004 2 * * NFP 28553 4004 3 * * NFP 28553 4004 4 * * NFP 28553 4004 5 * * NFP 28553 4004 6 THE the DT 28553 4004 7 CYCLE CYCLE NNP 28553 4004 8 . . . 28553 4005 1 There there EX 28553 4005 2 are be VBP 28553 4005 3 a a DT 28553 4005 4 few few JJ 28553 4005 5 features feature NNS 28553 4005 6 of of IN 28553 4005 7 this this DT 28553 4005 8 useful useful JJ 28553 4005 9 and and CC 28553 4005 10 in in IN 28553 4005 11 some some DT 28553 4005 12 ways way NNS 28553 4005 13 wonderful wonderful JJ 28553 4005 14 contrivance contrivance NN 28553 4005 15 which which WDT 28553 4005 16 should should MD 28553 4005 17 be be VB 28553 4005 18 noticed notice VBN 28553 4005 19 . . . 28553 4006 1 First first RB 28553 4006 2 , , , 28553 4006 3 THE the DT 28553 4006 4 GEARING gearing NN 28553 4006 5 OF of IN 28553 4006 6 A a DT 28553 4006 7 CYCLE cycle NN 28553 4006 8 . . . 28553 4007 1 To to IN 28553 4007 2 a a DT 28553 4007 3 good good JJ 28553 4007 4 many many JJ 28553 4007 5 people people NNS 28553 4007 6 the the DT 28553 4007 7 expression expression NN 28553 4007 8 " " `` 28553 4007 9 geared gear VBN 28553 4007 10 to to IN 28553 4007 11 70 70 CD 28553 4007 12 inches inch NNS 28553 4007 13 , , , 28553 4007 14 " " '' 28553 4007 15 or or CC 28553 4007 16 65 65 CD 28553 4007 17 , , , 28553 4007 18 or or CC 28553 4007 19 80 80 CD 28553 4007 20 , , , 28553 4007 21 as as IN 28553 4007 22 the the DT 28553 4007 23 case case NN 28553 4007 24 may may MD 28553 4007 25 be be VB 28553 4007 26 , , , 28553 4007 27 conveys convey VBZ 28553 4007 28 nothing nothing NN 28553 4007 29 except except IN 28553 4007 30 the the DT 28553 4007 31 fact fact NN 28553 4007 32 that that IN 28553 4007 33 the the DT 28553 4007 34 higher high JJR 28553 4007 35 the the DT 28553 4007 36 gear gear NN 28553 4007 37 the the DT 28553 4007 38 faster fast JJR 28553 4007 39 one one NN 28553 4007 40 ought ought MD 28553 4007 41 to to TO 28553 4007 42 be be VB 28553 4007 43 able able JJ 28553 4007 44 to to TO 28553 4007 45 travel travel VB 28553 4007 46 . . . 28553 4008 1 Let let VB 28553 4008 2 us -PRON- PRP 28553 4008 3 therefore therefore RB 28553 4008 4 examine examine VB 28553 4008 5 the the DT 28553 4008 6 meaning meaning NN 28553 4008 7 of of IN 28553 4008 8 such such PDT 28553 4008 9 a a DT 28553 4008 10 phrase phrase NN 28553 4008 11 before before IN 28553 4008 12 going go VBG 28553 4008 13 farther farther RB 28553 4008 14 . . . 28553 4009 1 The the DT 28553 4009 2 safety safety NN 28553 4009 3 cycle cycle NN 28553 4009 4 is be VBZ 28553 4009 5 always always RB 28553 4009 6 " " `` 28553 4009 7 geared gear VBN 28553 4009 8 up"--that up"--that RB 28553 4009 9 is be VBZ 28553 4009 10 , , , 28553 4009 11 one one CD 28553 4009 12 turn turn NN 28553 4009 13 of of IN 28553 4009 14 the the DT 28553 4009 15 pedals pedal NNS 28553 4009 16 will will MD 28553 4009 17 turn turn VB 28553 4009 18 the the DT 28553 4009 19 rear rear JJ 28553 4009 20 wheel wheel NN 28553 4009 21 more more RBR 28553 4009 22 than than IN 28553 4009 23 once once RB 28553 4009 24 . . . 28553 4010 1 To to TO 28553 4010 2 get get VB 28553 4010 3 the the DT 28553 4010 4 exact exact JJ 28553 4010 5 ratio ratio NN 28553 4010 6 of of IN 28553 4010 7 turning turn VBG 28553 4010 8 speed speed NN 28553 4010 9 we -PRON- PRP 28553 4010 10 count count VBP 28553 4010 11 the the DT 28553 4010 12 teeth tooth NNS 28553 4010 13 on on IN 28553 4010 14 the the DT 28553 4010 15 big big JJ 28553 4010 16 chain chain NN 28553 4010 17 - - HYPH 28553 4010 18 wheel wheel NN 28553 4010 19 , , , 28553 4010 20 and and CC 28553 4010 21 the the DT 28553 4010 22 teeth tooth NNS 28553 4010 23 on on IN 28553 4010 24 the the DT 28553 4010 25 small small JJ 28553 4010 26 chain chain NN 28553 4010 27 - - HYPH 28553 4010 28 wheel wheel NN 28553 4010 29 attached attach VBN 28553 4010 30 to to IN 28553 4010 31 the the DT 28553 4010 32 hub hub NN 28553 4010 33 of of IN 28553 4010 34 the the DT 28553 4010 35 rear rear JJ 28553 4010 36 wheel wheel NN 28553 4010 37 , , , 28553 4010 38 and and CC 28553 4010 39 divide divide VB 28553 4010 40 the the DT 28553 4010 41 former former JJ 28553 4010 42 by by IN 28553 4010 43 the the DT 28553 4010 44 latter latter JJ 28553 4010 45 . . . 28553 4011 1 To to TO 28553 4011 2 take take VB 28553 4011 3 an an DT 28553 4011 4 example:--The example:--the NN 28553 4011 5 teeth tooth NNS 28553 4011 6 are be VBP 28553 4011 7 75 75 CD 28553 4011 8 and and CC 28553 4011 9 30 30 CD 28553 4011 10 in in IN 28553 4011 11 number number NN 28553 4011 12 respectively respectively RB 28553 4011 13 ; ; : 28553 4011 14 the the DT 28553 4011 15 ratio ratio NN 28553 4011 16 of of IN 28553 4011 17 speed speed NN 28553 4011 18 therefore therefore RB 28553 4011 19 = = SYM 28553 4011 20 75/30 75/30 CD 28553 4011 21 = = SYM 28553 4011 22 5/2 5/2 CD 28553 4011 23 = = SYM 28553 4011 24 2 2 CD 28553 4011 25 - - SYM 28553 4011 26 1/2 1/2 CD 28553 4011 27 . . . 28553 4012 1 One one CD 28553 4012 2 turn turn NN 28553 4012 3 of of IN 28553 4012 4 the the DT 28553 4012 5 pedal pedal NN 28553 4012 6 turns turn VBZ 28553 4012 7 the the DT 28553 4012 8 rear rear JJ 28553 4012 9 wheel wheel NN 28553 4012 10 2 2 CD 28553 4012 11 - - HYPH 28553 4012 12 1/2 1/2 CD 28553 4012 13 times time NNS 28553 4012 14 . . . 28553 4013 1 The the DT 28553 4013 2 gear gear NN 28553 4013 3 of of IN 28553 4013 4 the the DT 28553 4013 5 cycle cycle NN 28553 4013 6 is be VBZ 28553 4013 7 calculated calculate VBN 28553 4013 8 by by IN 28553 4013 9 multiplying multiply VBG 28553 4013 10 this this DT 28553 4013 11 result result NN 28553 4013 12 by by IN 28553 4013 13 the the DT 28553 4013 14 diameter diameter NN 28553 4013 15 of of IN 28553 4013 16 the the DT 28553 4013 17 rear rear JJ 28553 4013 18 wheel wheel NN 28553 4013 19 in in IN 28553 4013 20 inches inch NNS 28553 4013 21 . . . 28553 4014 1 Thus thus RB 28553 4014 2 a a DT 28553 4014 3 28-inch 28-inch CD 28553 4014 4 wheel wheel NN 28553 4014 5 would would MD 28553 4014 6 in in IN 28553 4014 7 this this DT 28553 4014 8 case case NN 28553 4014 9 give give VB 28553 4014 10 a a DT 28553 4014 11 gear gear NN 28553 4014 12 of of IN 28553 4014 13 2 2 CD 28553 4014 14 - - SYM 28553 4014 15 1/2 1/2 CD 28553 4014 16 × × CD 28553 4014 17 28 28 CD 28553 4014 18 = = SYM 28553 4014 19 70 70 CD 28553 4014 20 inches inch NNS 28553 4014 21 . . . 28553 4015 1 One one CD 28553 4015 2 turn turn NN 28553 4015 3 of of IN 28553 4015 4 the the DT 28553 4015 5 pedals pedal NNS 28553 4015 6 on on IN 28553 4015 7 a a DT 28553 4015 8 machine machine NN 28553 4015 9 of of IN 28553 4015 10 this this DT 28553 4015 11 gear gear NN 28553 4015 12 would would MD 28553 4015 13 propel propel VB 28553 4015 14 the the DT 28553 4015 15 rider rider NN 28553 4015 16 as as RB 28553 4015 17 far far RB 28553 4015 18 as as IN 28553 4015 19 if if IN 28553 4015 20 he -PRON- PRP 28553 4015 21 were be VBD 28553 4015 22 on on IN 28553 4015 23 a a DT 28553 4015 24 high high JJ 28553 4015 25 " " `` 28553 4015 26 ordinary ordinary JJ 28553 4015 27 " " '' 28553 4015 28 with with IN 28553 4015 29 the the DT 28553 4015 30 pedals pedal NNS 28553 4015 31 attached attach VBN 28553 4015 32 directly directly RB 28553 4015 33 to to IN 28553 4015 34 a a DT 28553 4015 35 wheel wheel JJ 28553 4015 36 70 70 CD 28553 4015 37 inches inch NNS 28553 4015 38 in in IN 28553 4015 39 diameter diameter NN 28553 4015 40 . . . 28553 4016 1 The the DT 28553 4016 2 gearing gearing NN 28553 4016 3 is be VBZ 28553 4016 4 raised raise VBN 28553 4016 5 or or CC 28553 4016 6 lowered lower VBN 28553 4016 7 by by IN 28553 4016 8 altering alter VBG 28553 4016 9 the the DT 28553 4016 10 number number NN 28553 4016 11 ratio ratio NN 28553 4016 12 of of IN 28553 4016 13 the the DT 28553 4016 14 teeth tooth NNS 28553 4016 15 on on IN 28553 4016 16 the the DT 28553 4016 17 two two CD 28553 4016 18 chain chain NN 28553 4016 19 - - HYPH 28553 4016 20 wheels wheel NNS 28553 4016 21 . . . 28553 4017 1 If if IN 28553 4017 2 for for IN 28553 4017 3 the the DT 28553 4017 4 30-tooth 30-tooth CD 28553 4017 5 wheel wheel NN 28553 4017 6 we -PRON- PRP 28553 4017 7 substituted substitute VBD 28553 4017 8 one one CD 28553 4017 9 of of IN 28553 4017 10 25 25 CD 28553 4017 11 teeth tooth NNS 28553 4017 12 the the DT 28553 4017 13 gearing gearing NN 28553 4017 14 would would MD 28553 4017 15 be-- be-- NNP 28553 4017 16 75/25 75/25 CD 28553 4017 17 × × NNS 28553 4017 18 28 28 CD 28553 4017 19 inches inch NNS 28553 4017 20 = = SYM 28553 4017 21 84 84 CD 28553 4017 22 inches inch NNS 28553 4017 23 . . . 28553 4018 1 A a DT 28553 4018 2 handy handy JJ 28553 4018 3 formula formula NN 28553 4018 4 to to TO 28553 4018 5 remember remember VB 28553 4018 6 is be VBZ 28553 4018 7 , , , 28553 4018 8 gearing gear VBG 28553 4018 9 = = SYM 28553 4018 10 T/_t T/_t NNP 28553 4018 11 _ _ NNP 28553 4018 12 × × NN 28553 4018 13 D d NN 28553 4018 14 , , , 28553 4018 15 where where WRB 28553 4018 16 T t NN 28553 4018 17 = = SYM 28553 4018 18 teeth tooth NNS 28553 4018 19 on on IN 28553 4018 20 large large JJ 28553 4018 21 chain chain NN 28553 4018 22 - - HYPH 28553 4018 23 wheel wheel NN 28553 4018 24 ; ; : 28553 4018 25 _ _ NNP 28553 4018 26 t t NNP 28553 4018 27 _ _ NNP 28553 4018 28 = = SYM 28553 4018 29 teeth tooth NNS 28553 4018 30 on on IN 28553 4018 31 small small JJ 28553 4018 32 chain chain NN 28553 4018 33 - - HYPH 28553 4018 34 wheel wheel NN 28553 4018 35 ; ; : 28553 4018 36 and and CC 28553 4018 37 D d NN 28553 4018 38 = = SYM 28553 4018 39 diameter diameter NN 28553 4018 40 of of IN 28553 4018 41 driving drive VBG 28553 4018 42 - - HYPH 28553 4018 43 wheel wheel NN 28553 4018 44 in in IN 28553 4018 45 inches inch NNS 28553 4018 46 . . . 28553 4019 1 Two two CD 28553 4019 2 of of IN 28553 4019 3 the the DT 28553 4019 4 most most RBS 28553 4019 5 important important JJ 28553 4019 6 improvements improvement NNS 28553 4019 7 recently recently RB 28553 4019 8 added add VBD 28553 4019 9 to to IN 28553 4019 10 the the DT 28553 4019 11 cycle cycle NN 28553 4019 12 are--(1 are--(1 NN 28553 4019 13 ) ) -RRB- 28553 4019 14 The the DT 28553 4019 15 free free JJ 28553 4019 16 wheel wheel NN 28553 4019 17 ; ; : 28553 4019 18 ( ( -LRB- 28553 4019 19 2 2 LS 28553 4019 20 ) ) -RRB- 28553 4019 21 the the DT 28553 4019 22 change change NN 28553 4019 23 - - HYPH 28553 4019 24 speed speed NN 28553 4019 25 gear gear NN 28553 4019 26 . . . 28553 4020 1 THE the DT 28553 4020 2 FREE FREE NNP 28553 4020 3 WHEEL WHEEL NNP 28553 4020 4 is be VBZ 28553 4020 5 a a DT 28553 4020 6 device device NN 28553 4020 7 for for IN 28553 4020 8 enabling enable VBG 28553 4020 9 the the DT 28553 4020 10 driving driving NN 28553 4020 11 - - HYPH 28553 4020 12 wheel wheel NN 28553 4020 13 to to TO 28553 4020 14 overrun overrun VB 28553 4020 15 the the DT 28553 4020 16 pedals pedal NNS 28553 4020 17 when when WRB 28553 4020 18 the the DT 28553 4020 19 rider rider NN 28553 4020 20 ceases cease VBZ 28553 4020 21 pedalling pedal VBG 28553 4020 22 ; ; : 28553 4020 23 it -PRON- PRP 28553 4020 24 renders render VBZ 28553 4020 25 the the DT 28553 4020 26 driving driving NN 28553 4020 27 - - HYPH 28553 4020 28 wheel wheel NN 28553 4020 29 " " `` 28553 4020 30 free free JJ 28553 4020 31 " " '' 28553 4020 32 of of IN 28553 4020 33 the the DT 28553 4020 34 driving driving NN 28553 4020 35 gear gear NN 28553 4020 36 . . . 28553 4021 1 It -PRON- PRP 28553 4021 2 is be VBZ 28553 4021 3 a a DT 28553 4021 4 ratchet ratchet NN 28553 4021 5 specially specially RB 28553 4021 6 suited suited JJ 28553 4021 7 for for IN 28553 4021 8 this this DT 28553 4021 9 kind kind NN 28553 4021 10 of of IN 28553 4021 11 work work NN 28553 4021 12 . . . 28553 4022 1 From from IN 28553 4022 2 among among IN 28553 4022 3 the the DT 28553 4022 4 many many JJ 28553 4022 5 patterns pattern NNS 28553 4022 6 now now RB 28553 4022 7 marketed market VBD 28553 4022 8 we -PRON- PRP 28553 4022 9 select select VBP 28553 4022 10 the the DT 28553 4022 11 Micrometer Micrometer NNP 28553 4022 12 free free JJ 28553 4022 13 - - HYPH 28553 4022 14 wheel wheel NN 28553 4022 15 hub hub NN 28553 4022 16 ( ( -LRB- 28553 4022 17 Fig fig NN 28553 4022 18 . . . 28553 4023 1 222 222 CD 28553 4023 2 ) ) -RRB- 28553 4023 3 , , , 28553 4023 4 which which WDT 28553 4023 5 is be VBZ 28553 4023 6 extremely extremely RB 28553 4023 7 simple simple JJ 28553 4023 8 . . . 28553 4024 1 The the DT 28553 4024 2 _ _ NNP 28553 4024 3 ratchet ratchet NN 28553 4024 4 - - HYPH 28553 4024 5 wheel wheel NN 28553 4024 6 _ _ NNP 28553 4024 7 R R NNP 28553 4024 8 is be VBZ 28553 4024 9 attached attach VBN 28553 4024 10 to to IN 28553 4024 11 the the DT 28553 4024 12 hub hub NN 28553 4024 13 of of IN 28553 4024 14 the the DT 28553 4024 15 driving driving NN 28553 4024 16 - - HYPH 28553 4024 17 wheel wheel NN 28553 4024 18 . . . 28553 4025 1 The the DT 28553 4025 2 small small JJ 28553 4025 3 chain chain NN 28553 4025 4 - - HYPH 28553 4025 5 wheel wheel NN 28553 4025 6 ( ( -LRB- 28553 4025 7 or or CC 28553 4025 8 " " `` 28553 4025 9 chain chain NN 28553 4025 10 - - HYPH 28553 4025 11 ring ring NN 28553 4025 12 , , , 28553 4025 13 " " '' 28553 4025 14 as as IN 28553 4025 15 it -PRON- PRP 28553 4025 16 is be VBZ 28553 4025 17 often often RB 28553 4025 18 called call VBN 28553 4025 19 ) ) -RRB- 28553 4025 20 turns turn VBZ 28553 4025 21 outside outside IN 28553 4025 22 this this DT 28553 4025 23 , , , 28553 4025 24 on on IN 28553 4025 25 a a DT 28553 4025 26 number number NN 28553 4025 27 of of IN 28553 4025 28 balls ball NNS 28553 4025 29 running run VBG 28553 4025 30 in in IN 28553 4025 31 a a DT 28553 4025 32 groove groove NN 28553 4025 33 chased chase VBN 28553 4025 34 in in IN 28553 4025 35 the the DT 28553 4025 36 neck neck NN 28553 4025 37 of of IN 28553 4025 38 the the DT 28553 4025 39 ratchet ratchet NN 28553 4025 40 . . . 28553 4026 1 Between between IN 28553 4026 2 these these DT 28553 4026 3 two two CD 28553 4026 4 parts part NNS 28553 4026 5 are be VBP 28553 4026 6 the the DT 28553 4026 7 _ _ NNP 28553 4026 8 pawls pawls NNP 28553 4026 9 _ _ NNP 28553 4026 10 , , , 28553 4026 11 of of IN 28553 4026 12 half half JJ 28553 4026 13 - - HYPH 28553 4026 14 moon moon NN 28553 4026 15 shape shape NN 28553 4026 16 . . . 28553 4027 1 The the DT 28553 4027 2 driving drive VBG 28553 4027 3 - - HYPH 28553 4027 4 wheel wheel NN 28553 4027 5 is be VBZ 28553 4027 6 assumed assume VBN 28553 4027 7 to to TO 28553 4027 8 be be VB 28553 4027 9 on on IN 28553 4027 10 the the DT 28553 4027 11 further further JJ 28553 4027 12 side side NN 28553 4027 13 of of IN 28553 4027 14 the the DT 28553 4027 15 ratchet ratchet NN 28553 4027 16 . . . 28553 4028 1 To to TO 28553 4028 2 propel propel VB 28553 4028 3 the the DT 28553 4028 4 cycle cycle NN 28553 4028 5 the the DT 28553 4028 6 chain chain NN 28553 4028 7 - - HYPH 28553 4028 8 ring ring NN 28553 4028 9 is be VBZ 28553 4028 10 turned turn VBN 28553 4028 11 in in RP 28553 4028 12 a a DT 28553 4028 13 clockwise clockwise JJ 28553 4028 14 direction direction NN 28553 4028 15 . . . 28553 4029 1 Three three CD 28553 4029 2 out out IN 28553 4029 3 of of IN 28553 4029 4 the the DT 28553 4029 5 six six CD 28553 4029 6 pawls pawl NNS 28553 4029 7 at at IN 28553 4029 8 once once RB 28553 4029 9 engage engage VB 28553 4029 10 with with IN 28553 4029 11 notches notch NNS 28553 4029 12 in in IN 28553 4029 13 the the DT 28553 4029 14 ratchet ratchet NN 28553 4029 15 , , , 28553 4029 16 and and CC 28553 4029 17 are be VBP 28553 4029 18 held hold VBN 28553 4029 19 tightly tightly RB 28553 4029 20 in in IN 28553 4029 21 place place NN 28553 4029 22 by by IN 28553 4029 23 the the DT 28553 4029 24 pressure pressure NN 28553 4029 25 of of IN 28553 4029 26 the the DT 28553 4029 27 chain chain NN 28553 4029 28 - - HYPH 28553 4029 29 ring ring NN 28553 4029 30 on on IN 28553 4029 31 their -PRON- PRP$ 28553 4029 32 rear rear JJ 28553 4029 33 ends end NNS 28553 4029 34 . . . 28553 4030 1 The the DT 28553 4030 2 other other JJ 28553 4030 3 three three CD 28553 4030 4 are be VBP 28553 4030 5 in in IN 28553 4030 6 a a DT 28553 4030 7 midway midway JJ 28553 4030 8 position position NN 28553 4030 9 . . . 28553 4031 1 [ [ -LRB- 28553 4031 2 Illustration illustration NN 28553 4031 3 : : : 28553 4031 4 FIG FIG NNP 28553 4031 5 . . . 28553 4032 1 222 222 CD 28553 4032 2 . . . 28553 4032 3 ] ] -RRB- 28553 4033 1 When when WRB 28553 4033 2 the the DT 28553 4033 3 rider rider NN 28553 4033 4 ceases cease VBZ 28553 4033 5 to to TO 28553 4033 6 pedal pedal VB 28553 4033 7 , , , 28553 4033 8 the the DT 28553 4033 9 chain chain NN 28553 4033 10 - - HYPH 28553 4033 11 ring ring NN 28553 4033 12 becomes become VBZ 28553 4033 13 stationary stationary JJ 28553 4033 14 , , , 28553 4033 15 but but CC 28553 4033 16 the the DT 28553 4033 17 ratchet ratchet NN 28553 4033 18 continues continue VBZ 28553 4033 19 to to TO 28553 4033 20 revolve revolve VB 28553 4033 21 . . . 28553 4034 1 The the DT 28553 4034 2 pawls pawl NNS 28553 4034 3 offer offer VBP 28553 4034 4 no no DT 28553 4034 5 resistance resistance NN 28553 4034 6 to to IN 28553 4034 7 the the DT 28553 4034 8 ratchet ratchet NN 28553 4034 9 teeth tooth NNS 28553 4034 10 , , , 28553 4034 11 which which WDT 28553 4034 12 push push VBP 28553 4034 13 them -PRON- PRP 28553 4034 14 up up RP 28553 4034 15 into into IN 28553 4034 16 the the DT 28553 4034 17 semicircular semicircular JJ 28553 4034 18 recesses recess NNS 28553 4034 19 in in IN 28553 4034 20 the the DT 28553 4034 21 chain chain NN 28553 4034 22 - - HYPH 28553 4034 23 ring ring NN 28553 4034 24 . . . 28553 4035 1 Each each DT 28553 4035 2 one one NN 28553 4035 3 rises rise VBZ 28553 4035 4 as as IN 28553 4035 5 it -PRON- PRP 28553 4035 6 passes pass VBZ 28553 4035 7 over over IN 28553 4035 8 a a DT 28553 4035 9 tooth tooth NN 28553 4035 10 . . . 28553 4036 1 It -PRON- PRP 28553 4036 2 is be VBZ 28553 4036 3 obvious obvious JJ 28553 4036 4 that that IN 28553 4036 5 driving drive VBG 28553 4036 6 power power NN 28553 4036 7 can can MD 28553 4036 8 not not RB 28553 4036 9 be be VB 28553 4036 10 transmitted transmit VBN 28553 4036 11 again again RB 28553 4036 12 to to IN 28553 4036 13 the the DT 28553 4036 14 road road NN 28553 4036 15 wheel wheel NN 28553 4036 16 until until IN 28553 4036 17 the the DT 28553 4036 18 chain chain NN 28553 4036 19 - - HYPH 28553 4036 20 wheel wheel NN 28553 4036 21 is be VBZ 28553 4036 22 turned turn VBN 28553 4036 23 fast fast RB 28553 4036 24 enough enough RB 28553 4036 25 to to TO 28553 4036 26 overtake overtake VB 28553 4036 27 the the DT 28553 4036 28 ratchet ratchet NN 28553 4036 29 . . . 28553 4037 1 THE the DT 28553 4037 2 CHANGE CHANGE NNS 28553 4037 3 - - HYPH 28553 4037 4 SPEED SPEED NNP 28553 4037 5 GEAR GEAR NNP 28553 4037 6 . . . 28553 4038 1 A a DT 28553 4038 2 gain gain NN 28553 4038 3 in in IN 28553 4038 4 speed speed NN 28553 4038 5 means mean VBZ 28553 4038 6 a a DT 28553 4038 7 loss loss NN 28553 4038 8 in in IN 28553 4038 9 power power NN 28553 4038 10 , , , 28553 4038 11 and and CC 28553 4038 12 _ _ NNP 28553 4038 13 vice vice NNP 28553 4038 14 versâ versâ NNP 28553 4038 15 _ _ NNP 28553 4038 16 . . . 28553 4039 1 By by IN 28553 4039 2 gearing gear VBG 28553 4039 3 - - HYPH 28553 4039 4 up up RP 28553 4039 5 a a DT 28553 4039 6 cycle cycle NN 28553 4039 7 we -PRON- PRP 28553 4039 8 are be VBP 28553 4039 9 able able JJ 28553 4039 10 to to TO 28553 4039 11 make make VB 28553 4039 12 the the DT 28553 4039 13 driving driving NN 28553 4039 14 - - HYPH 28553 4039 15 wheel wheel NN 28553 4039 16 revolve revolve NN 28553 4039 17 faster fast RBR 28553 4039 18 than than IN 28553 4039 19 the the DT 28553 4039 20 pedals pedal NNS 28553 4039 21 , , , 28553 4039 22 but but CC 28553 4039 23 at at IN 28553 4039 24 the the DT 28553 4039 25 expense expense NN 28553 4039 26 of of IN 28553 4039 27 control control NN 28553 4039 28 over over IN 28553 4039 29 the the DT 28553 4039 30 driving driving NN 28553 4039 31 - - HYPH 28553 4039 32 wheel wheel NN 28553 4039 33 . . . 28553 4040 1 A a DT 28553 4040 2 high high RB 28553 4040 3 - - HYPH 28553 4040 4 geared gear VBN 28553 4040 5 cycle cycle NN 28553 4040 6 is be VBZ 28553 4040 7 fast fast JJ 28553 4040 8 on on IN 28553 4040 9 the the DT 28553 4040 10 level level NN 28553 4040 11 , , , 28553 4040 12 but but CC 28553 4040 13 a a DT 28553 4040 14 bad bad JJ 28553 4040 15 hill hill NN 28553 4040 16 - - HYPH 28553 4040 17 climber climber NNP 28553 4040 18 . . . 28553 4041 1 The the DT 28553 4041 2 low low RB 28553 4041 3 - - HYPH 28553 4041 4 geared gear VBN 28553 4041 5 machine machine NN 28553 4041 6 shows show NNS 28553 4041 7 to to TO 28553 4041 8 disadvantage disadvantage VB 28553 4041 9 on on IN 28553 4041 10 the the DT 28553 4041 11 flat flat JJ 28553 4041 12 , , , 28553 4041 13 but but CC 28553 4041 14 is be VBZ 28553 4041 15 a a DT 28553 4041 16 good good JJ 28553 4041 17 hill hill NN 28553 4041 18 - - HYPH 28553 4041 19 climber climber NNP 28553 4041 20 . . . 28553 4042 1 Similarly similarly RB 28553 4042 2 , , , 28553 4042 3 the the DT 28553 4042 4 express express JJ 28553 4042 5 engine engine NN 28553 4042 6 must must MD 28553 4042 7 have have VB 28553 4042 8 large large JJ 28553 4042 9 driving driving NN 28553 4042 10 - - HYPH 28553 4042 11 wheels wheel NNS 28553 4042 12 , , , 28553 4042 13 the the DT 28553 4042 14 goods good NNS 28553 4042 15 engine engine NN 28553 4042 16 small small JJ 28553 4042 17 driving driving NN 28553 4042 18 - - HYPH 28553 4042 19 wheels wheel NNS 28553 4042 20 , , , 28553 4042 21 to to TO 28553 4042 22 perform perform VB 28553 4042 23 their -PRON- PRP$ 28553 4042 24 special special JJ 28553 4042 25 functions function NNS 28553 4042 26 properly properly RB 28553 4042 27 . . . 28553 4043 1 In in IN 28553 4043 2 order order NN 28553 4043 3 to to TO 28553 4043 4 travel travel VB 28553 4043 5 fast fast RB 28553 4043 6 over over IN 28553 4043 7 level level NN 28553 4043 8 country country NN 28553 4043 9 , , , 28553 4043 10 and and CC 28553 4043 11 yet yet RB 28553 4043 12 be be VB 28553 4043 13 able able JJ 28553 4043 14 to to TO 28553 4043 15 mount mount VB 28553 4043 16 hills hills NNP 28553 4043 17 without without IN 28553 4043 18 undue undue JJ 28553 4043 19 exertion exertion NN 28553 4043 20 , , , 28553 4043 21 we -PRON- PRP 28553 4043 22 must must MD 28553 4043 23 be be VB 28553 4043 24 able able JJ 28553 4043 25 to to TO 28553 4043 26 do do VB 28553 4043 27 what what WP 28553 4043 28 the the DT 28553 4043 29 motorist motorist NN 28553 4043 30 does do VBZ 28553 4043 31 -- -- : 28553 4043 32 change change VB 28553 4043 33 gear gear NN 28553 4043 34 . . . 28553 4044 1 Two two CD 28553 4044 2 - - HYPH 28553 4044 3 speed speed NN 28553 4044 4 and and CC 28553 4044 5 three three CD 28553 4044 6 - - HYPH 28553 4044 7 speed speed NN 28553 4044 8 gears gear NNS 28553 4044 9 are be VBP 28553 4044 10 now now RB 28553 4044 11 very very RB 28553 4044 12 commonly commonly RB 28553 4044 13 fitted fit VBN 28553 4044 14 to to IN 28553 4044 15 cycles cycle NNS 28553 4044 16 . . . 28553 4045 1 They -PRON- PRP 28553 4045 2 all all DT 28553 4045 3 work work VBP 28553 4045 4 on on IN 28553 4045 5 the the DT 28553 4045 6 same same JJ 28553 4045 7 principle principle NN 28553 4045 8 , , , 28553 4045 9 that that DT 28553 4045 10 of of IN 28553 4045 11 the the DT 28553 4045 12 epicyclic epicyclic JJ 28553 4045 13 train train NN 28553 4045 14 of of IN 28553 4045 15 cog cog NN 28553 4045 16 - - HYPH 28553 4045 17 wheels wheel NNS 28553 4045 18 , , , 28553 4045 19 the the DT 28553 4045 20 mechanisms mechanism NNS 28553 4045 21 being be VBG 28553 4045 22 so so RB 28553 4045 23 devised devise VBN 28553 4045 24 that that IN 28553 4045 25 the the DT 28553 4045 26 hub hub NN 28553 4045 27 turns turn VBZ 28553 4045 28 more more RBR 28553 4045 29 slowly slowly RB 28553 4045 30 than than IN 28553 4045 31 , , , 28553 4045 32 at at IN 28553 4045 33 the the DT 28553 4045 34 same same JJ 28553 4045 35 speed speed NN 28553 4045 36 as as IN 28553 4045 37 , , , 28553 4045 38 or or CC 28553 4045 39 faster fast RBR 28553 4045 40 than than IN 28553 4045 41 the the DT 28553 4045 42 small small JJ 28553 4045 43 chain chain NN 28553 4045 44 - - : 28553 4045 45 wheel,[42 wheel,[42 NN 28553 4045 46 ] ] -RRB- 28553 4045 47 according accord VBG 28553 4045 48 to to IN 28553 4045 49 the the DT 28553 4045 50 wish wish NN 28553 4045 51 of of IN 28553 4045 52 the the DT 28553 4045 53 rider rider NN 28553 4045 54 . . . 28553 4046 1 We -PRON- PRP 28553 4046 2 do do VBP 28553 4046 3 not not RB 28553 4046 4 propose propose VB 28553 4046 5 to to TO 28553 4046 6 do do VB 28553 4046 7 more more JJR 28553 4046 8 here here RB 28553 4046 9 than than IN 28553 4046 10 explain explain VB 28553 4046 11 the the DT 28553 4046 12 principle principle NN 28553 4046 13 of of IN 28553 4046 14 the the DT 28553 4046 15 epicyclic epicyclic JJ 28553 4046 16 train train NN 28553 4046 17 , , , 28553 4046 18 which which WDT 28553 4046 19 means mean VBZ 28553 4046 20 " " `` 28553 4046 21 a a DT 28553 4046 22 wheel wheel NN 28553 4046 23 on on IN 28553 4046 24 ( ( -LRB- 28553 4046 25 or or CC 28553 4046 26 running run VBG 28553 4046 27 round round RB 28553 4046 28 ) ) -RRB- 28553 4046 29 a a DT 28553 4046 30 wheel wheel NN 28553 4046 31 . . . 28553 4046 32 " " '' 28553 4047 1 Lay Lay NNP 28553 4047 2 a a DT 28553 4047 3 footrule footrule NN 28553 4047 4 on on IN 28553 4047 5 the the DT 28553 4047 6 table table NN 28553 4047 7 and and CC 28553 4047 8 roll roll VB 28553 4047 9 a a DT 28553 4047 10 cylinder cylinder NN 28553 4047 11 along along IN 28553 4047 12 it -PRON- PRP 28553 4047 13 by by IN 28553 4047 14 the the DT 28553 4047 15 aid aid NN 28553 4047 16 of of IN 28553 4047 17 a a DT 28553 4047 18 second second JJ 28553 4047 19 rule rule NN 28553 4047 20 , , , 28553 4047 21 parallel parallel VB 28553 4047 22 to to IN 28553 4047 23 the the DT 28553 4047 24 first first JJ 28553 4047 25 , , , 28553 4047 26 but but CC 28553 4047 27 resting rest VBG 28553 4047 28 on on IN 28553 4047 29 the the DT 28553 4047 30 cylinder cylinder NN 28553 4047 31 . . . 28553 4048 1 It -PRON- PRP 28553 4048 2 will will MD 28553 4048 3 be be VB 28553 4048 4 found find VBN 28553 4048 5 that that IN 28553 4048 6 , , , 28553 4048 7 while while IN 28553 4048 8 the the DT 28553 4048 9 cylinder cylinder NN 28553 4048 10 advances advance VBZ 28553 4048 11 six six CD 28553 4048 12 inches inch NNS 28553 4048 13 , , , 28553 4048 14 the the DT 28553 4048 15 upper upper JJ 28553 4048 16 rule rule NN 28553 4048 17 advances advance VBZ 28553 4048 18 twice twice RB 28553 4048 19 that that DT 28553 4048 20 distance distance NN 28553 4048 21 . . . 28553 4049 1 In in IN 28553 4049 2 the the DT 28553 4049 3 absence absence NN 28553 4049 4 of of IN 28553 4049 5 friction friction NN 28553 4049 6 the the DT 28553 4049 7 work work NN 28553 4049 8 done do VBN 28553 4049 9 by by IN 28553 4049 10 the the DT 28553 4049 11 agent agent NN 28553 4049 12 moving move VBG 28553 4049 13 the the DT 28553 4049 14 upper upper JJ 28553 4049 15 rule rule NN 28553 4049 16 is be VBZ 28553 4049 17 equal equal JJ 28553 4049 18 to to IN 28553 4049 19 that that DT 28553 4049 20 done do VBN 28553 4049 21 in in IN 28553 4049 22 overcoming overcome VBG 28553 4049 23 the the DT 28553 4049 24 force force NN 28553 4049 25 which which WDT 28553 4049 26 opposes oppose VBZ 28553 4049 27 the the DT 28553 4049 28 forward forward JJ 28553 4049 29 motion motion NN 28553 4049 30 of of IN 28553 4049 31 the the DT 28553 4049 32 cylinder cylinder NN 28553 4049 33 ; ; : 28553 4049 34 and and CC 28553 4049 35 as as IN 28553 4049 36 the the DT 28553 4049 37 distance distance NN 28553 4049 38 through through IN 28553 4049 39 which which WDT 28553 4049 40 the the DT 28553 4049 41 cylinder cylinder NN 28553 4049 42 advances advance NNS 28553 4049 43 is be VBZ 28553 4049 44 only only RB 28553 4049 45 half half PDT 28553 4049 46 that that IN 28553 4049 47 through through IN 28553 4049 48 which which WDT 28553 4049 49 the the DT 28553 4049 50 upper upper JJ 28553 4049 51 rule rule NN 28553 4049 52 advances advance VBZ 28553 4049 53 , , , 28553 4049 54 it -PRON- PRP 28553 4049 55 follows follow VBZ 28553 4049 56 that that IN 28553 4049 57 the the DT 28553 4049 58 _ _ NNP 28553 4049 59 force force NN 28553 4049 60 _ _ NNP 28553 4049 61 which which WDT 28553 4049 62 must must MD 28553 4049 63 act act VB 28553 4049 64 on on IN 28553 4049 65 the the DT 28553 4049 66 upper upper JJ 28553 4049 67 rule rule NN 28553 4049 68 is be VBZ 28553 4049 69 only only RB 28553 4049 70 half half NN 28553 4049 71 as as RB 28553 4049 72 great great JJ 28553 4049 73 as as IN 28553 4049 74 that that DT 28553 4049 75 overcome overcome NN 28553 4049 76 in in IN 28553 4049 77 moving move VBG 28553 4049 78 the the DT 28553 4049 79 cylinder cylinder NN 28553 4049 80 . . . 28553 4050 1 The the DT 28553 4050 2 carter carter NN 28553 4050 3 makes make VBZ 28553 4050 4 use use NN 28553 4050 5 of of IN 28553 4050 6 this this DT 28553 4050 7 principle principle NN 28553 4050 8 when when WRB 28553 4050 9 he -PRON- PRP 28553 4050 10 puts put VBZ 28553 4050 11 his -PRON- PRP$ 28553 4050 12 hand hand NN 28553 4050 13 to to IN 28553 4050 14 the the DT 28553 4050 15 top top NN 28553 4050 16 of of IN 28553 4050 17 a a DT 28553 4050 18 wheel wheel NN 28553 4050 19 to to TO 28553 4050 20 help help VB 28553 4050 21 his -PRON- PRP$ 28553 4050 22 cart cart NN 28553 4050 23 over over IN 28553 4050 24 an an DT 28553 4050 25 obstacle obstacle NN 28553 4050 26 . . . 28553 4051 1 [ [ -LRB- 28553 4051 2 Illustration illustration NN 28553 4051 3 : : : 28553 4051 4 FIG FIG NNP 28553 4051 5 . . . 28553 4052 1 223 223 CD 28553 4052 2 . . . 28553 4052 3 ] ] -RRB- 28553 4053 1 [ [ -LRB- 28553 4053 2 Illustration illustration NN 28553 4053 3 : : : 28553 4053 4 FIG FIG NNP 28553 4053 5 . . . 28553 4054 1 224 224 CD 28553 4054 2 . . . 28553 4054 3 ] ] -RRB- 28553 4055 1 [ [ -LRB- 28553 4055 2 Illustration illustration NN 28553 4055 3 : : : 28553 4055 4 FIG FIG NNP 28553 4055 5 . . . 28553 4056 1 225 225 CD 28553 4056 2 . . . 28553 4056 3 ] ] -RRB- 28553 4057 1 Now now RB 28553 4057 2 see see VB 28553 4057 3 how how WRB 28553 4057 4 this this DT 28553 4057 5 principle principle NN 28553 4057 6 is be VBZ 28553 4057 7 applied apply VBN 28553 4057 8 to to IN 28553 4057 9 the the DT 28553 4057 10 change change NN 28553 4057 11 - - HYPH 28553 4057 12 speed speed NN 28553 4057 13 gear gear NN 28553 4057 14 . . . 28553 4058 1 The the DT 28553 4058 2 lower low JJR 28553 4058 3 rule rule NN 28553 4058 4 is be VBZ 28553 4058 5 replaced replace VBN 28553 4058 6 by by IN 28553 4058 7 a a DT 28553 4058 8 cog cog JJ 28553 4058 9 - - HYPH 28553 4058 10 wheel wheel NN 28553 4058 11 , , , 28553 4058 12 C C NNP 28553 4058 13 ( ( -LRB- 28553 4058 14 Fig fig NN 28553 4058 15 . . . 28553 4059 1 223 223 CD 28553 4059 2 ) ) -RRB- 28553 4059 3 ; ; : 28553 4059 4 the the DT 28553 4059 5 cylinder cylinder NN 28553 4059 6 by by IN 28553 4059 7 a a DT 28553 4059 8 cog cog NN 28553 4059 9 , , , 28553 4059 10 B b NN 28553 4059 11 , , , 28553 4059 12 running run VBG 28553 4059 13 round round IN 28553 4059 14 it -PRON- PRP 28553 4059 15 ; ; : 28553 4059 16 and and CC 28553 4059 17 the the DT 28553 4059 18 upper upper JJ 28553 4059 19 rule rule NN 28553 4059 20 by by IN 28553 4059 21 a a DT 28553 4059 22 ring ring NN 28553 4059 23 , , , 28553 4059 24 A a NN 28553 4059 25 , , , 28553 4059 26 with with IN 28553 4059 27 internal internal JJ 28553 4059 28 teeth tooth NNS 28553 4059 29 . . . 28553 4060 1 We -PRON- PRP 28553 4060 2 may may MD 28553 4060 3 suppose suppose VB 28553 4060 4 that that IN 28553 4060 5 A A NNP 28553 4060 6 is be VBZ 28553 4060 7 the the DT 28553 4060 8 chain chain NN 28553 4060 9 - - HYPH 28553 4060 10 ring ring NN 28553 4060 11 , , , 28553 4060 12 B B NNP 28553 4060 13 a a DT 28553 4060 14 cog cog NN 28553 4060 15 mounted mount VBN 28553 4060 16 on on IN 28553 4060 17 a a DT 28553 4060 18 pin pin NN 28553 4060 19 projecting projecting NN 28553 4060 20 from from IN 28553 4060 21 the the DT 28553 4060 22 hub hub NN 28553 4060 23 , , , 28553 4060 24 and and CC 28553 4060 25 C C NNP 28553 4060 26 a a DT 28553 4060 27 cog cog NN 28553 4060 28 attached attach VBN 28553 4060 29 to to IN 28553 4060 30 the the DT 28553 4060 31 fixed fix VBN 28553 4060 32 axle axle NN 28553 4060 33 . . . 28553 4061 1 It -PRON- PRP 28553 4061 2 is be VBZ 28553 4061 3 evident evident JJ 28553 4061 4 that that IN 28553 4061 5 B B NNP 28553 4061 6 will will MD 28553 4061 7 not not RB 28553 4061 8 move move VB 28553 4061 9 so so RB 28553 4061 10 fast fast RB 28553 4061 11 round round JJ 28553 4061 12 C C NNP 28553 4061 13 as as IN 28553 4061 14 A a NN 28553 4061 15 does do VBZ 28553 4061 16 . . . 28553 4062 1 The the DT 28553 4062 2 amount amount NN 28553 4062 3 by by IN 28553 4062 4 which which WDT 28553 4062 5 A A NNP 28553 4062 6 will will MD 28553 4062 7 get get VB 28553 4062 8 ahead ahead RB 28553 4062 9 of of IN 28553 4062 10 B b NN 28553 4062 11 can can MD 28553 4062 12 be be VB 28553 4062 13 calculated calculate VBN 28553 4062 14 easily easily RB 28553 4062 15 . . . 28553 4063 1 We -PRON- PRP 28553 4063 2 begin begin VBP 28553 4063 3 with with IN 28553 4063 4 the the DT 28553 4063 5 wheels wheel NNS 28553 4063 6 in in IN 28553 4063 7 the the DT 28553 4063 8 position position NN 28553 4063 9 shown show VBN 28553 4063 10 in in IN 28553 4063 11 Fig Fig NNP 28553 4063 12 . . . 28553 4064 1 223 223 CD 28553 4064 2 . . . 28553 4065 1 A a DT 28553 4065 2 point point NN 28553 4065 3 , , , 28553 4065 4 I -PRON- PRP 28553 4065 5 , , , 28553 4065 6 on on IN 28553 4065 7 A a DT 28553 4065 8 is be VBZ 28553 4065 9 exactly exactly RB 28553 4065 10 over over IN 28553 4065 11 the the DT 28553 4065 12 topmost topmost JJS 28553 4065 13 point point NN 28553 4065 14 of of IN 28553 4065 15 C. C. NNP 28553 4065 16 For for IN 28553 4065 17 the the DT 28553 4065 18 sake sake NN 28553 4065 19 of of IN 28553 4065 20 convenience convenience NN 28553 4065 21 we -PRON- PRP 28553 4065 22 will will MD 28553 4065 23 first first RB 28553 4065 24 assume assume VB 28553 4065 25 that that IN 28553 4065 26 instead instead RB 28553 4065 27 of of IN 28553 4065 28 B b NN 28553 4065 29 running running NN 28553 4065 30 round round JJ 28553 4065 31 C c NN 28553 4065 32 , , , 28553 4065 33 B B NNP 28553 4065 34 is be VBZ 28553 4065 35 revolved revolve VBN 28553 4065 36 on on IN 28553 4065 37 its -PRON- PRP$ 28553 4065 38 axis axis NN 28553 4065 39 for for IN 28553 4065 40 one one CD 28553 4065 41 complete complete JJ 28553 4065 42 revolution revolution NN 28553 4065 43 in in IN 28553 4065 44 a a DT 28553 4065 45 clockwise clockwise JJ 28553 4065 46 direction direction NN 28553 4065 47 , , , 28553 4065 48 and and CC 28553 4065 49 that that IN 28553 4065 50 A a NN 28553 4065 51 and and CC 28553 4065 52 C C NNP 28553 4065 53 move move VBP 28553 4065 54 as as IN 28553 4065 55 in in IN 28553 4065 56 Fig Fig NNP 28553 4065 57 . . . 28553 4066 1 224 224 CD 28553 4066 2 . . . 28553 4067 1 If if IN 28553 4067 2 B B NNP 28553 4067 3 has have VBZ 28553 4067 4 10 10 CD 28553 4067 5 teeth tooth NNS 28553 4067 6 , , , 28553 4067 7 C C NNP 28553 4067 8 30 30 CD 28553 4067 9 , , , 28553 4067 10 and and CC 28553 4067 11 A a DT 28553 4067 12 40 40 CD 28553 4067 13 , , , 28553 4067 14 A a DT 28553 4067 15 will will MD 28553 4067 16 have have VB 28553 4067 17 been be VBN 28553 4067 18 moved move VBN 28553 4067 19 10/40 10/40 CD 28553 4067 20 = = SYM 28553 4067 21 1/4 1/4 CD 28553 4067 22 of of IN 28553 4067 23 a a DT 28553 4067 24 revolution revolution NN 28553 4067 25 in in IN 28553 4067 26 a a DT 28553 4067 27 clockwise clockwise JJ 28553 4067 28 direction direction NN 28553 4067 29 , , , 28553 4067 30 and and CC 28553 4067 31 C C NNP 28553 4067 32 10/30 10/30 CD 28553 4067 33 = = SYM 28553 4067 34 1/3 1/3 CD 28553 4067 35 of of IN 28553 4067 36 a a DT 28553 4067 37 revolution revolution NN 28553 4067 38 in in IN 28553 4067 39 an an DT 28553 4067 40 anti anti JJ 28553 4067 41 - - JJ 28553 4067 42 clockwise clockwise JJ 28553 4067 43 direction direction NN 28553 4067 44 . . . 28553 4068 1 Now now RB 28553 4068 2 , , , 28553 4068 3 coming come VBG 28553 4068 4 back back RB 28553 4068 5 to to IN 28553 4068 6 what what WP 28553 4068 7 actually actually RB 28553 4068 8 does do VBZ 28553 4068 9 happen happen VB 28553 4068 10 , , , 28553 4068 11 we -PRON- PRP 28553 4068 12 shall shall MD 28553 4068 13 be be VB 28553 4068 14 able able JJ 28553 4068 15 to to TO 28553 4068 16 understand understand VB 28553 4068 17 how how WRB 28553 4068 18 far far RB 28553 4068 19 A a DT 28553 4068 20 rotates rotate NNS 28553 4068 21 round round JJ 28553 4068 22 C C NNP 28553 4068 23 relatively relatively RB 28553 4068 24 to to IN 28553 4068 25 the the DT 28553 4068 26 motion motion NN 28553 4068 27 of of IN 28553 4068 28 B b NN 28553 4068 29 , , , 28553 4068 30 when when WRB 28553 4068 31 C C NNP 28553 4068 32 is be VBZ 28553 4068 33 fixed fix VBN 28553 4068 34 and and CC 28553 4068 35 B b NN 28553 4068 36 rolls roll NNS 28553 4068 37 ( ( -LRB- 28553 4068 38 Fig fig NN 28553 4068 39 . . . 28553 4069 1 225 225 CD 28553 4069 2 ) ) -RRB- 28553 4069 3 . . . 28553 4070 1 B b NN 28553 4070 2 advances advance VBZ 28553 4070 3 1/3 1/3 CD 28553 4070 4 of of IN 28553 4070 5 distance distance NN 28553 4070 6 round round NNP 28553 4070 7 C C NNP 28553 4070 8 ; ; : 28553 4070 9 A a DT 28553 4070 10 advances advance NNS 28553 4070 11 1/3 1/3 CD 28553 4070 12 + + SYM 28553 4070 13 1/4 1/4 CD 28553 4070 14 = = SYM 28553 4070 15 7/12 7/12 CD 28553 4070 16 of of IN 28553 4070 17 distance distance NN 28553 4070 18 round round NNP 28553 4070 19 B. B. NNP 28553 4071 1 The the DT 28553 4071 2 fractions fraction NNS 28553 4071 3 , , , 28553 4071 4 if if IN 28553 4071 5 reduced reduce VBN 28553 4071 6 to to IN 28553 4071 7 a a DT 28553 4071 8 common common JJ 28553 4071 9 denominator denominator NN 28553 4071 10 , , , 28553 4071 11 are be VBP 28553 4071 12 as as IN 28553 4071 13 4:7 4:7 CD 28553 4071 14 , , , 28553 4071 15 and and CC 28553 4071 16 this this DT 28553 4071 17 is be VBZ 28553 4071 18 equivalent equivalent JJ 28553 4071 19 to to IN 28553 4071 20 40 40 CD 28553 4071 21 ( ( -LRB- 28553 4071 22 number number NN 28553 4071 23 of of IN 28553 4071 24 teeth tooth NNS 28553 4071 25 on on IN 28553 4071 26 A a NN 28553 4071 27 ) ) -RRB- 28553 4071 28 : : : 28553 4071 29 40 40 CD 28553 4071 30 + + SYM 28553 4071 31 30 30 CD 28553 4071 32 ( ( -LRB- 28553 4071 33 teeth tooth NNS 28553 4071 34 on on IN 28553 4071 35 A a NN 28553 4071 36 + + SYM 28553 4071 37 teeth tooth NNS 28553 4071 38 on on IN 28553 4071 39 C. C. NNP 28553 4071 40 ) ) -RRB- 28553 4071 41 To to TO 28553 4071 42 leave leave VB 28553 4071 43 the the DT 28553 4071 44 reader reader NN 28553 4071 45 with with IN 28553 4071 46 a a DT 28553 4071 47 very very RB 28553 4071 48 clear clear JJ 28553 4071 49 idea idea NN 28553 4071 50 we -PRON- PRP 28553 4071 51 will will MD 28553 4071 52 summarize summarize VB 28553 4071 53 the the DT 28553 4071 54 matter matter NN 28553 4071 55 thus:--If thus:--If NNP 28553 4071 56 T t NN 28553 4071 57 = = SYM 28553 4071 58 number number NN 28553 4071 59 of of IN 28553 4071 60 teeth tooth NNS 28553 4071 61 on on IN 28553 4071 62 A A NNP 28553 4071 63 , , , 28553 4071 64 _ _ NNP 28553 4071 65 t t NNP 28553 4071 66 _ _ NNP 28553 4071 67 = = SYM 28553 4071 68 number number NN 28553 4071 69 of of IN 28553 4071 70 teeth tooth NNS 28553 4071 71 on on IN 28553 4071 72 C C NNP 28553 4071 73 , , , 28553 4071 74 then then RB 28553 4071 75 movement movement NN 28553 4071 76 of of IN 28553 4071 77 A a NN 28553 4071 78 : : : 28553 4071 79 movement movement NN 28553 4071 80 of of IN 28553 4071 81 B b NN 28553 4071 82 : : : 28553 4071 83 : : : 28553 4071 84 T t NN 28553 4071 85 + + CC 28553 4071 86 _ _ NNP 28553 4071 87 t t NNP 28553 4071 88 _ _ XX 28553 4071 89 : : : 28553 4071 90 T. T. NNP 28553 4071 91 Here here RB 28553 4071 92 is be VBZ 28553 4071 93 a a DT 28553 4071 94 two two CD 28553 4071 95 - - HYPH 28553 4071 96 speed speed NN 28553 4071 97 hub hub NN 28553 4071 98 . . . 28553 4072 1 Let let VB 28553 4072 2 us -PRON- PRP 28553 4072 3 count count VB 28553 4072 4 the the DT 28553 4072 5 teeth tooth NNS 28553 4072 6 . . . 28553 4073 1 The the DT 28553 4073 2 chain chain NN 28553 4073 3 - - HYPH 28553 4073 4 ring ring NN 28553 4073 5 (= (= NNP 28553 4073 6 A a NN 28553 4073 7 ) ) -RRB- 28553 4073 8 has have VBZ 28553 4073 9 64 64 CD 28553 4073 10 internal internal JJ 28553 4073 11 teeth tooth NNS 28553 4073 12 , , , 28553 4073 13 and and CC 28553 4073 14 the the DT 28553 4073 15 central central JJ 28553 4073 16 cog cog NN 28553 4073 17 (= (= NNP 28553 4073 18 C C NNP 28553 4073 19 ) ) -RRB- 28553 4073 20 on on IN 28553 4073 21 the the DT 28553 4073 22 axle axle NN 28553 4073 23 has have VBZ 28553 4073 24 16 16 CD 28553 4073 25 teeth tooth NNS 28553 4073 26 . . . 28553 4074 1 There there EX 28553 4074 2 are be VBP 28553 4074 3 four four CD 28553 4074 4 cogs cog NNS 28553 4074 5 (= (= NNP 28553 4074 6 B B NNP 28553 4074 7 ) ) -RRB- 28553 4074 8 equally equally RB 28553 4074 9 spaced space VBN 28553 4074 10 , , , 28553 4074 11 running run VBG 28553 4074 12 on on IN 28553 4074 13 pins pin NNS 28553 4074 14 projecting project VBG 28553 4074 15 from from IN 28553 4074 16 the the DT 28553 4074 17 hub hub NN 28553 4074 18 - - HYPH 28553 4074 19 shell shell NN 28553 4074 20 between between IN 28553 4074 21 A A NNP 28553 4074 22 and and CC 28553 4074 23 C. C. NNP 28553 4074 24 How how WRB 28553 4074 25 much much RB 28553 4074 26 faster fast RBR 28553 4074 27 than than IN 28553 4074 28 B B NNP 28553 4074 29 does do VBZ 28553 4074 30 A a DT 28553 4074 31 run run NN 28553 4074 32 round round JJ 28553 4074 33 C c NN 28553 4074 34 ? ? . 28553 4075 1 Apply apply VB 28553 4075 2 the the DT 28553 4075 3 formula:--Motion formula:--motion NN 28553 4075 4 of of IN 28553 4075 5 A a NN 28553 4075 6 : : : 28553 4075 7 motion motion NN 28553 4075 8 of of IN 28553 4075 9 B b NN 28553 4075 10 : : : 28553 4075 11 : : : 28553 4075 12 64 64 CD 28553 4075 13 + + SYM 28553 4075 14 16 16 CD 28553 4075 15 : : SYM 28553 4075 16 64 64 CD 28553 4075 17 . . . 28553 4076 1 That that RB 28553 4076 2 is is RB 28553 4076 3 , , , 28553 4076 4 while while IN 28553 4076 5 A a DT 28553 4076 6 revolves revolve NNS 28553 4076 7 once once RB 28553 4076 8 , , , 28553 4076 9 B b NN 28553 4076 10 and and CC 28553 4076 11 the the DT 28553 4076 12 hub hub NN 28553 4076 13 and and CC 28553 4076 14 the the DT 28553 4076 15 driving driving NN 28553 4076 16 - - HYPH 28553 4076 17 wheel wheel NN 28553 4076 18 will will MD 28553 4076 19 revolve revolve VB 28553 4076 20 only only RB 28553 4076 21 64/80 64/80 CD 28553 4076 22 = = SYM 28553 4076 23 4/5 4/5 CD 28553 4076 24 of of IN 28553 4076 25 a a DT 28553 4076 26 turn turn NN 28553 4076 27 . . . 28553 4077 1 To to TO 28553 4077 2 use use VB 28553 4077 3 scientific scientific JJ 28553 4077 4 language language NN 28553 4077 5 , , , 28553 4077 6 B b NN 28553 4077 7 revolves revolve VBZ 28553 4077 8 20 20 CD 28553 4077 9 per per NN 28553 4077 10 cent cent NN 28553 4077 11 . . . 28553 4078 1 slower slow JJR 28553 4078 2 than than IN 28553 4078 3 A. a. NN 28553 4079 1 This this DT 28553 4079 2 is be VBZ 28553 4079 3 the the DT 28553 4079 4 gearing gearing NN 28553 4079 5 we -PRON- PRP 28553 4079 6 use use VBP 28553 4079 7 for for IN 28553 4079 8 hill hill NN 28553 4079 9 - - HYPH 28553 4079 10 climbing climbing NN 28553 4079 11 . . . 28553 4080 1 On on IN 28553 4080 2 the the DT 28553 4080 3 level level NN 28553 4080 4 we -PRON- PRP 28553 4080 5 want want VBP 28553 4080 6 the the DT 28553 4080 7 driving driving NN 28553 4080 8 - - HYPH 28553 4080 9 wheel wheel NN 28553 4080 10 to to TO 28553 4080 11 turn turn VB 28553 4080 12 as as RB 28553 4080 13 fast fast RB 28553 4080 14 as as IN 28553 4080 15 , , , 28553 4080 16 or or CC 28553 4080 17 faster fast RBR 28553 4080 18 than than IN 28553 4080 19 , , , 28553 4080 20 the the DT 28553 4080 21 chain chain NN 28553 4080 22 - - HYPH 28553 4080 23 ring ring NN 28553 4080 24 . . . 28553 4081 1 To to TO 28553 4081 2 make make VB 28553 4081 3 it -PRON- PRP 28553 4081 4 turn turn VB 28553 4081 5 at at IN 28553 4081 6 the the DT 28553 4081 7 same same JJ 28553 4081 8 rate rate NN 28553 4081 9 , , , 28553 4081 10 both both CC 28553 4081 11 A A NNP 28553 4081 12 and and CC 28553 4081 13 C C NNP 28553 4081 14 must must MD 28553 4081 15 revolve revolve VB 28553 4081 16 together together RB 28553 4081 17 . . . 28553 4082 1 In in IN 28553 4082 2 one one CD 28553 4082 3 well well RB 28553 4082 4 - - HYPH 28553 4082 5 known know VBN 28553 4082 6 gear gear NN 28553 4082 7 this this DT 28553 4082 8 is be VBZ 28553 4082 9 effected effect VBN 28553 4082 10 by by IN 28553 4082 11 sliding slide VBG 28553 4082 12 C C NNP 28553 4082 13 along along IN 28553 4082 14 the the DT 28553 4082 15 spindle spindle NN 28553 4082 16 of of IN 28553 4082 17 the the DT 28553 4082 18 wheel wheel NN 28553 4082 19 till till IN 28553 4082 20 it -PRON- PRP 28553 4082 21 disengages disengage VBZ 28553 4082 22 itself -PRON- PRP 28553 4082 23 from from IN 28553 4082 24 the the DT 28553 4082 25 spindle spindle NN 28553 4082 26 , , , 28553 4082 27 and and CC 28553 4082 28 one one CD 28553 4082 29 end end NN 28553 4082 30 locks lock NNS 28553 4082 31 with with IN 28553 4082 32 the the DT 28553 4082 33 plate plate NN 28553 4082 34 which which WDT 28553 4082 35 carries carry VBZ 28553 4082 36 A. a. NN 28553 4083 1 Since since IN 28553 4083 2 B b NN 28553 4083 3 is be VBZ 28553 4083 4 now now RB 28553 4083 5 being be VBG 28553 4083 6 pulled pull VBN 28553 4083 7 round round RB 28553 4083 8 at at IN 28553 4083 9 the the DT 28553 4083 10 bottom bottom NN 28553 4083 11 as as RB 28553 4083 12 well well RB 28553 4083 13 as as IN 28553 4083 14 the the DT 28553 4083 15 top top NN 28553 4083 16 , , , 28553 4083 17 it -PRON- PRP 28553 4083 18 can can MD 28553 4083 19 not not RB 28553 4083 20 rotate rotate VB 28553 4083 21 on on IN 28553 4083 22 its -PRON- PRP$ 28553 4083 23 own own JJ 28553 4083 24 axis axis NN 28553 4083 25 any any RB 28553 4083 26 longer longer RB 28553 4083 27 , , , 28553 4083 28 and and CC 28553 4083 29 the the DT 28553 4083 30 whole whole JJ 28553 4083 31 train train NN 28553 4083 32 revolves revolve VBZ 28553 4083 33 _ _ NNP 28553 4083 34 solidly_--that solidly_--that DT 28553 4083 35 is be VBZ 28553 4083 36 , , , 28553 4083 37 while while IN 28553 4083 38 A a DT 28553 4083 39 turns turn VBZ 28553 4083 40 through through IN 28553 4083 41 a a DT 28553 4083 42 circle circle NN 28553 4083 43 B b NN 28553 4083 44 does do VBZ 28553 4083 45 the the DT 28553 4083 46 same same JJ 28553 4083 47 . . . 28553 4084 1 To to TO 28553 4084 2 get get VB 28553 4084 3 an an DT 28553 4084 4 _ _ NNP 28553 4084 5 increase increase NN 28553 4084 6 _ _ NNP 28553 4084 7 of of IN 28553 4084 8 gearing gearing NN 28553 4084 9 , , , 28553 4084 10 matters matter NNS 28553 4084 11 must must MD 28553 4084 12 be be VB 28553 4084 13 so so RB 28553 4084 14 arranged arrange VBN 28553 4084 15 that that IN 28553 4084 16 the the DT 28553 4084 17 drive drive NN 28553 4084 18 is be VBZ 28553 4084 19 transmitted transmit VBN 28553 4084 20 from from IN 28553 4084 21 the the DT 28553 4084 22 chain chain NN 28553 4084 23 - - HYPH 28553 4084 24 wheel wheel NN 28553 4084 25 to to IN 28553 4084 26 B b NN 28553 4084 27 , , , 28553 4084 28 and and CC 28553 4084 29 from from IN 28553 4084 30 A a NN 28553 4084 31 to to IN 28553 4084 32 the the DT 28553 4084 33 hub hub NN 28553 4084 34 . . . 28553 4085 1 While while IN 28553 4085 2 B B NNP 28553 4085 3 describes describe VBZ 28553 4085 4 a a DT 28553 4085 5 circle circle NN 28553 4085 6 , , , 28553 4085 7 A a NN 28553 4085 8 and and CC 28553 4085 9 the the DT 28553 4085 10 driving drive VBG 28553 4085 11 - - HYPH 28553 4085 12 wheel wheel NN 28553 4085 13 turn turn NN 28553 4085 14 through through IN 28553 4085 15 a a DT 28553 4085 16 circle circle NN 28553 4085 17 and and CC 28553 4085 18 a a DT 28553 4085 19 part part NN 28553 4085 20 of of IN 28553 4085 21 a a DT 28553 4085 22 circle circle NN 28553 4085 23 -- -- : 28553 4085 24 that that RB 28553 4085 25 is is RB 28553 4085 26 , , , 28553 4085 27 the the DT 28553 4085 28 driving drive VBG 28553 4085 29 - - HYPH 28553 4085 30 wheel wheel NN 28553 4085 31 revolves revolve NNS 28553 4085 32 faster fast RBR 28553 4085 33 than than IN 28553 4085 34 the the DT 28553 4085 35 hub hub NN 28553 4085 36 . . . 28553 4086 1 Given give VBN 28553 4086 2 the the DT 28553 4086 3 same same JJ 28553 4086 4 number number NN 28553 4086 5 of of IN 28553 4086 6 teeth tooth NNS 28553 4086 7 as as IN 28553 4086 8 before before RB 28553 4086 9 , , , 28553 4086 10 the the DT 28553 4086 11 proportional proportional JJ 28553 4086 12 rates rate NNS 28553 4086 13 will will MD 28553 4086 14 be be VB 28553 4086 15 A a NN 28553 4086 16 = = SYM 28553 4086 17 80 80 CD 28553 4086 18 , , , 28553 4086 19 B b NN 28553 4086 20 = = SYM 28553 4086 21 64 64 CD 28553 4086 22 , , , 28553 4086 23 so so IN 28553 4086 24 that that IN 28553 4086 25 the the DT 28553 4086 26 gear gear NN 28553 4086 27 _ _ NNP 28553 4086 28 rises rise VBZ 28553 4086 29 _ _ NNP 28553 4086 30 25 25 CD 28553 4086 31 per per NN 28553 4086 32 cent cent NN 28553 4086 33 . . . 28553 4087 1 By by IN 28553 4087 2 means mean NNS 28553 4087 3 of of IN 28553 4087 4 proper proper JJ 28553 4087 5 mechanism mechanism NN 28553 4087 6 the the DT 28553 4087 7 power power NN 28553 4087 8 is be VBZ 28553 4087 9 transmitted transmit VBN 28553 4087 10 in in IN 28553 4087 11 a a DT 28553 4087 12 three three CD 28553 4087 13 - - HYPH 28553 4087 14 speed speed NN 28553 4087 15 gear gear NN 28553 4087 16 either either CC 28553 4087 17 ( ( -LRB- 28553 4087 18 1 1 LS 28553 4087 19 ) ) -RRB- 28553 4087 20 from from IN 28553 4087 21 chain chain NN 28553 4087 22 - - HYPH 28553 4087 23 wheel wheel NN 28553 4087 24 to to IN 28553 4087 25 A a NN 28553 4087 26 , , , 28553 4087 27 A a NN 28553 4087 28 to to IN 28553 4087 29 B b NN 28553 4087 30 , , , 28553 4087 31 B b NN 28553 4087 32 to to TO 28553 4087 33 wheel wheel VB 28553 4087 34 = = SYM 28553 4087 35 _ _ NNP 28553 4087 36 low low JJ 28553 4087 37 _ _ NNP 28553 4087 38 gear gear NN 28553 4087 39 ; ; : 28553 4087 40 or or CC 28553 4087 41 ( ( -LRB- 28553 4087 42 2 2 LS 28553 4087 43 ) ) -RRB- 28553 4087 44 from from IN 28553 4087 45 chain chain NN 28553 4087 46 - - HYPH 28553 4087 47 wheel wheel NN 28553 4087 48 to to IN 28553 4087 49 A a NN 28553 4087 50 and and CC 28553 4087 51 C c NN 28553 4087 52 simultaneously simultaneously RB 28553 4087 53 = = CC 28553 4087 54 solid solid JJ 28553 4087 55 , , , 28553 4087 56 normal normal JJ 28553 4087 57 , , , 28553 4087 58 or or CC 28553 4087 59 _ _ NNP 28553 4087 60 middle middle JJ 28553 4087 61 _ _ NNP 28553 4087 62 gear gear NN 28553 4087 63 ; ; : 28553 4087 64 or or CC 28553 4087 65 ( ( -LRB- 28553 4087 66 3 3 LS 28553 4087 67 ) ) -RRB- 28553 4087 68 from from IN 28553 4087 69 chain chain NN 28553 4087 70 - - HYPH 28553 4087 71 wheel wheel NN 28553 4087 72 to to IN 28553 4087 73 B b NN 28553 4087 74 , , , 28553 4087 75 B b NN 28553 4087 76 to to IN 28553 4087 77 A a NN 28553 4087 78 , , , 28553 4087 79 A a DT 28553 4087 80 to to TO 28553 4087 81 wheel wheel VB 28553 4087 82 = = SYM 28553 4087 83 _ _ NNP 28553 4087 84 high high JJ 28553 4087 85 _ _ NNP 28553 4087 86 gear gear NN 28553 4087 87 . . . 28553 4088 1 In in IN 28553 4088 2 two two CD 28553 4088 3 - - HYPH 28553 4088 4 speed speed NN 28553 4088 5 gears gear NNS 28553 4088 6 either either CC 28553 4088 7 1 1 CD 28553 4088 8 or or CC 28553 4088 9 3 3 CD 28553 4088 10 is be VBZ 28553 4088 11 omitted omit VBN 28553 4088 12 . . . 28553 4089 1 * * NFP 28553 4089 2 * * NFP 28553 4089 3 * * NFP 28553 4089 4 * * NFP 28553 4089 5 * * NFP 28553 4089 6 AGRICULTURAL AGRICULTURAL NNP 28553 4089 7 MACHINES MACHINES NNP 28553 4089 8 . . . 28553 4090 1 THE the DT 28553 4090 2 THRESHING threshing NN 28553 4090 3 - - HYPH 28553 4090 4 MACHINE machine NN 28553 4090 5 . . . 28553 4091 1 Bread bread NN 28553 4091 2 would would MD 28553 4091 3 not not RB 28553 4091 4 be be VB 28553 4091 5 so so RB 28553 4091 6 cheap cheap JJ 28553 4091 7 as as IN 28553 4091 8 it -PRON- PRP 28553 4091 9 is be VBZ 28553 4091 10 were be VBD 28553 4091 11 the the DT 28553 4091 12 flail flail NN 28553 4091 13 still still RB 28553 4091 14 the the DT 28553 4091 15 only only JJ 28553 4091 16 means mean NNS 28553 4091 17 of of IN 28553 4091 18 separating separate VBG 28553 4091 19 the the DT 28553 4091 20 grain grain NN 28553 4091 21 from from IN 28553 4091 22 the the DT 28553 4091 23 straw straw NN 28553 4091 24 . . . 28553 4092 1 What what WP 28553 4092 2 the the DT 28553 4092 3 cream cream NN 28553 4092 4 separator separator NN 28553 4092 5 has have VBZ 28553 4092 6 done do VBN 28553 4092 7 for for IN 28553 4092 8 the the DT 28553 4092 9 dairy dairy NN 28553 4092 10 industry industry NN 28553 4092 11 ( ( -LRB- 28553 4092 12 p. p. NN 28553 4092 13 384 384 CD 28553 4092 14 ) ) -RRB- 28553 4092 15 , , , 28553 4092 16 the the DT 28553 4092 17 threshing threshing JJ 28553 4092 18 - - HYPH 28553 4092 19 machine machine NN 28553 4092 20 has have VBZ 28553 4092 21 done do VBN 28553 4092 22 for for IN 28553 4092 23 agriculture agriculture NN 28553 4092 24 . . . 28553 4093 1 A a DT 28553 4093 2 page page NN 28553 4093 3 or or CC 28553 4093 4 two two CD 28553 4093 5 ought ought MD 28553 4093 6 therefore therefore RB 28553 4093 7 to to TO 28553 4093 8 be be VB 28553 4093 9 spared spare VBN 28553 4093 10 for for IN 28553 4093 11 this this DT 28553 4093 12 useful useful JJ 28553 4093 13 invention invention NN 28553 4093 14 . . . 28553 4094 1 [ [ -LRB- 28553 4094 2 Illustration illustration NN 28553 4094 3 : : : 28553 4094 4 FIG FIG NNP 28553 4094 5 . . . 28553 4095 1 226.--Section 226.--section CD 28553 4095 2 of of IN 28553 4095 3 a a DT 28553 4095 4 threshing threshing JJ 28553 4095 5 machine machine NN 28553 4095 6 . . . 28553 4095 7 ] ] -RRB- 28553 4096 1 In in IN 28553 4096 2 Fig Fig NNP 28553 4096 3 . . . 28553 4097 1 226 226 CD 28553 4097 2 a a DT 28553 4097 3 very very RB 28553 4097 4 complete complete JJ 28553 4097 5 fore fore NN 28553 4097 6 - - HYPH 28553 4097 7 and and CC 28553 4097 8 - - HYPH 28553 4097 9 aft aft NN 28553 4097 10 section section NN 28553 4097 11 of of IN 28553 4097 12 the the DT 28553 4097 13 machine machine NN 28553 4097 14 is be VBZ 28553 4097 15 given give VBN 28553 4097 16 . . . 28553 4098 1 After after IN 28553 4098 2 the the DT 28553 4098 3 bands band NNS 28553 4098 4 of of IN 28553 4098 5 the the DT 28553 4098 6 sheaves sheaf NNS 28553 4098 7 have have VBP 28553 4098 8 been be VBN 28553 4098 9 cut cut VBN 28553 4098 10 , , , 28553 4098 11 the the DT 28553 4098 12 latter latter JJ 28553 4098 13 are be VBP 28553 4098 14 fed feed VBN 28553 4098 15 into into IN 28553 4098 16 the the DT 28553 4098 17 mouth mouth NN 28553 4098 18 of of IN 28553 4098 19 the the DT 28553 4098 20 _ _ NNP 28553 4098 21 drum drum NN 28553 4098 22 _ _ NNP 28553 4098 23 A A NNP 28553 4098 24 by by IN 28553 4098 25 the the DT 28553 4098 26 feeder feeder NN 28553 4098 27 , , , 28553 4098 28 who who WP 28553 4098 29 stands stand VBZ 28553 4098 30 in in IN 28553 4098 31 the the DT 28553 4098 32 feeding feeding NN 28553 4098 33 - - HYPH 28553 4098 34 box box NN 28553 4098 35 on on IN 28553 4098 36 the the DT 28553 4098 37 top top NN 28553 4098 38 of of IN 28553 4098 39 the the DT 28553 4098 40 machine machine NN 28553 4098 41 . . . 28553 4099 1 The the DT 28553 4099 2 drum drum NN 28553 4099 3 revolves revolve VBZ 28553 4099 4 at at IN 28553 4099 5 a a DT 28553 4099 6 very very RB 28553 4099 7 high high JJ 28553 4099 8 velocity velocity NN 28553 4099 9 , , , 28553 4099 10 and and CC 28553 4099 11 is be VBZ 28553 4099 12 fitted fit VBN 28553 4099 13 with with IN 28553 4099 14 fluted fluted JJ 28553 4099 15 beaters beater NNS 28553 4099 16 which which WDT 28553 4099 17 act act VBP 28553 4099 18 against against IN 28553 4099 19 a a DT 28553 4099 20 steel steel NN 28553 4099 21 concave concave NN 28553 4099 22 , , , 28553 4099 23 or or CC 28553 4099 24 breastwork breastwork NN 28553 4099 25 , , , 28553 4099 26 B b NN 28553 4099 27 , , , 28553 4099 28 the the DT 28553 4099 29 grain grain NN 28553 4099 30 being be VBG 28553 4099 31 threshed thresh VBN 28553 4099 32 out out IN 28553 4099 33 of of IN 28553 4099 34 the the DT 28553 4099 35 straw straw NN 28553 4099 36 in in IN 28553 4099 37 passing pass VBG 28553 4099 38 between between IN 28553 4099 39 the the DT 28553 4099 40 two two CD 28553 4099 41 . . . 28553 4100 1 The the DT 28553 4100 2 breastwork breastwork NN 28553 4100 3 is be VBZ 28553 4100 4 provided provide VBN 28553 4100 5 with with IN 28553 4100 6 open open JJ 28553 4100 7 wires wire NNS 28553 4100 8 , , , 28553 4100 9 through through IN 28553 4100 10 which which WDT 28553 4100 11 most most JJS 28553 4100 12 of of IN 28553 4100 13 the the DT 28553 4100 14 threshed thresh VBN 28553 4100 15 grain grain NN 28553 4100 16 , , , 28553 4100 17 cavings caving NNS 28553 4100 18 ( ( -LRB- 28553 4100 19 short short JJ 28553 4100 20 straws straws NN 28553 4100 21 ) ) -RRB- 28553 4100 22 , , , 28553 4100 23 and and CC 28553 4100 24 chaff chaff NN 28553 4100 25 passes pass VBZ 28553 4100 26 on on RP 28553 4100 27 to to IN 28553 4100 28 a a DT 28553 4100 29 sloping sloping NN 28553 4100 30 board board NN 28553 4100 31 . . . 28553 4101 1 The the DT 28553 4101 2 straw straw NN 28553 4101 3 is be VBZ 28553 4101 4 flung fling VBN 28553 4101 5 forward forward RB 28553 4101 6 on on IN 28553 4101 7 to to IN 28553 4101 8 the the DT 28553 4101 9 shakers shaker NNS 28553 4101 10 C C NNP 28553 4101 11 , , , 28553 4101 12 which which WDT 28553 4101 13 gradually gradually RB 28553 4101 14 move move VBP 28553 4101 15 the the DT 28553 4101 16 straw straw NN 28553 4101 17 towards towards IN 28553 4101 18 the the DT 28553 4101 19 open open JJ 28553 4101 20 end end NN 28553 4101 21 and and CC 28553 4101 22 throw throw VB 28553 4101 23 it -PRON- PRP 28553 4101 24 off off RP 28553 4101 25 . . . 28553 4102 1 Any any DT 28553 4102 2 grain grain NN 28553 4102 3 , , , 28553 4102 4 etc etc FW 28553 4102 5 . . FW 28553 4102 6 , , , 28553 4102 7 that that DT 28553 4102 8 has have VBZ 28553 4102 9 escaped escape VBN 28553 4102 10 the the DT 28553 4102 11 drum drum NN 28553 4102 12 falls fall VBZ 28553 4102 13 through through IN 28553 4102 14 the the DT 28553 4102 15 shakers shaker NNS 28553 4102 16 on on IN 28553 4102 17 to to IN 28553 4102 18 D d NN 28553 4102 19 , , , 28553 4102 20 and and CC 28553 4102 21 works work VBZ 28553 4102 22 backwards backwards RB 28553 4102 23 to to IN 28553 4102 24 the the DT 28553 4102 25 _ _ NNP 28553 4102 26 caving caving NN 28553 4102 27 riddles riddle VBZ 28553 4102 28 _ _ NNP 28553 4102 29 , , , 28553 4102 30 or or CC 28553 4102 31 moving move VBG 28553 4102 32 sieves sieve NNS 28553 4102 33 , , , 28553 4102 34 E. E. NNP 28553 4102 35 The the DT 28553 4102 36 _ _ NNP 28553 4102 37 main main JJ 28553 4102 38 blower blower NN 28553 4102 39 _ _ NNP 28553 4102 40 , , , 28553 4102 41 by by IN 28553 4102 42 means mean NNS 28553 4102 43 of of IN 28553 4102 44 a a DT 28553 4102 45 revolving revolving JJ 28553 4102 46 fan fan NN 28553 4102 47 , , , 28553 4102 48 N n CD 28553 4102 49 , , , 28553 4102 50 sends send VBZ 28553 4102 51 air air NN 28553 4102 52 along along IN 28553 4102 53 the the DT 28553 4102 54 channel channel NN 28553 4102 55 X x NN 28553 4102 56 upwards upwards RB 28553 4102 57 through through IN 28553 4102 58 these these DT 28553 4102 59 riddles riddle NNS 28553 4102 60 , , , 28553 4102 61 blowing blow VBG 28553 4102 62 the the DT 28553 4102 63 short short JJ 28553 4102 64 straws straws NN 28553 4102 65 away away RB 28553 4102 66 to to IN 28553 4102 67 the the DT 28553 4102 68 left left NN 28553 4102 69 . . . 28553 4103 1 The the DT 28553 4103 2 grain grain NN 28553 4103 3 , , , 28553 4103 4 husks husk NNS 28553 4103 5 , , , 28553 4103 6 and and CC 28553 4103 7 dust dust NN 28553 4103 8 fall fall VBP 28553 4103 9 through through IN 28553 4103 10 E e NN 28553 4103 11 on on IN 28553 4103 12 to to IN 28553 4103 13 G g NN 28553 4103 14 , , , 28553 4103 15 over over IN 28553 4103 16 the the DT 28553 4103 17 end end NN 28553 4103 18 of of IN 28553 4103 19 which which WDT 28553 4103 20 they -PRON- PRP 28553 4103 21 fall fall VBP 28553 4103 22 on on RP 28553 4103 23 to to IN 28553 4103 24 the the DT 28553 4103 25 _ _ NNP 28553 4103 26 chaff chaff NN 28553 4103 27 riddle riddle NNP 28553 4103 28 _ _ NNP 28553 4103 29 , , , 28553 4103 30 H. H. NNP 28553 4103 31 A a DT 28553 4103 32 second second JJ 28553 4103 33 column column NN 28553 4103 34 of of IN 28553 4103 35 air air NN 28553 4103 36 from from IN 28553 4103 37 the the DT 28553 4103 38 blower blower NN 28553 4103 39 drives drive VBZ 28553 4103 40 the the DT 28553 4103 41 chaff chaff NN 28553 4103 42 away away RB 28553 4103 43 . . . 28553 4104 1 The the DT 28553 4104 2 heavy heavy JJ 28553 4104 3 grain grain NN 28553 4104 4 , , , 28553 4104 5 seeds seed NNS 28553 4104 6 , , , 28553 4104 7 dust dust NN 28553 4104 8 , , , 28553 4104 9 etc etc FW 28553 4104 10 . . . 28553 4104 11 , , , 28553 4104 12 fall fall VB 28553 4104 13 on on RP 28553 4104 14 to to IN 28553 4104 15 I -PRON- PRP 28553 4104 16 , , , 28553 4104 17 J J NNP 28553 4104 18 , , , 28553 4104 19 and and CC 28553 4104 20 K K NNP 28553 4104 21 in in IN 28553 4104 22 turn turn NN 28553 4104 23 , , , 28553 4104 24 and and CC 28553 4104 25 are be VBP 28553 4104 26 shaken shake VBN 28553 4104 27 until until IN 28553 4104 28 only only RB 28553 4104 29 the the DT 28553 4104 30 grain grain NN 28553 4104 31 remains remain VBZ 28553 4104 32 to to TO 28553 4104 33 pass pass VB 28553 4104 34 along along RP 28553 4104 35 L L NNP 28553 4104 36 to to IN 28553 4104 37 the the DT 28553 4104 38 elevator elevator NN 28553 4104 39 bottom bottom NN 28553 4104 40 , , , 28553 4104 41 M. M. NNP 28553 4104 42 An an DT 28553 4104 43 endless endless JJ 28553 4104 44 band band NN 28553 4104 45 with with IN 28553 4104 46 cups cup NNS 28553 4104 47 attached attach VBN 28553 4104 48 to to IN 28553 4104 49 it -PRON- PRP 28553 4104 50 scoops scoop VBZ 28553 4104 51 up up RP 28553 4104 52 the the DT 28553 4104 53 grain grain NN 28553 4104 54 , , , 28553 4104 55 carries carry VBZ 28553 4104 56 it -PRON- PRP 28553 4104 57 aloft aloft RB 28553 4104 58 , , , 28553 4104 59 and and CC 28553 4104 60 shoots shoot VBZ 28553 4104 61 it -PRON- PRP 28553 4104 62 into into IN 28553 4104 63 hopper hopper NN 28553 4104 64 P. P. NNP 28553 4104 65 It -PRON- PRP 28553 4104 66 then then RB 28553 4104 67 goes go VBZ 28553 4104 68 through through IN 28553 4104 69 the the DT 28553 4104 70 shakers shaker NNS 28553 4104 71 Q Q NNP 28553 4104 72 , , , 28553 4104 73 R r NN 28553 4104 74 , , , 28553 4104 75 is be VBZ 28553 4104 76 dusted dust VBN 28553 4104 77 by by IN 28553 4104 78 the the DT 28553 4104 79 _ _ NNP 28553 4104 80 back back RB 28553 4104 81 end end NN 28553 4104 82 blower blower NN 28553 4104 83 _ _ NNP 28553 4104 84 , , , 28553 4104 85 S S NNP 28553 4104 86 , , , 28553 4104 87 and and CC 28553 4104 88 slides slide VBZ 28553 4104 89 down down RP 28553 4104 90 T t NN 28553 4104 91 into into IN 28553 4104 92 the the DT 28553 4104 93 open open JJ 28553 4104 94 end end NN 28553 4104 95 of of IN 28553 4104 96 the the DT 28553 4104 97 rotary rotary JJ 28553 4104 98 screen screen NN 28553 4104 99 - - HYPH 28553 4104 100 drum drum NN 28553 4104 101 U U NNP 28553 4104 102 , , , 28553 4104 103 which which WDT 28553 4104 104 is be VBZ 28553 4104 105 mounted mount VBN 28553 4104 106 on on IN 28553 4104 107 the the DT 28553 4104 108 slope slope NN 28553 4104 109 , , , 28553 4104 110 so so IN 28553 4104 111 that that IN 28553 4104 112 as as IN 28553 4104 113 it -PRON- PRP 28553 4104 114 turns turn VBZ 28553 4104 115 the the DT 28553 4104 116 grain grain NN 28553 4104 117 travels travel NNS 28553 4104 118 gradually gradually RB 28553 4104 119 along along IN 28553 4104 120 it -PRON- PRP 28553 4104 121 . . . 28553 4105 1 The the DT 28553 4105 2 first first JJ 28553 4105 3 half half NN 28553 4105 4 of of IN 28553 4105 5 the the DT 28553 4105 6 screen screen NN 28553 4105 7 has have VBZ 28553 4105 8 wires wire NNS 28553 4105 9 set set VBN 28553 4105 10 closely closely RB 28553 4105 11 together together RB 28553 4105 12 . . . 28553 4106 1 All all PDT 28553 4106 2 the the DT 28553 4106 3 small small JJ 28553 4106 4 grain grain NN 28553 4106 5 that that WDT 28553 4106 6 falls fall VBZ 28553 4106 7 through through IN 28553 4106 8 this this DT 28553 4106 9 , , , 28553 4106 10 called call VBN 28553 4106 11 " " `` 28553 4106 12 thirds third NNS 28553 4106 13 , , , 28553 4106 14 " " '' 28553 4106 15 passes pass VBZ 28553 4106 16 into into IN 28553 4106 17 a a DT 28553 4106 18 hopper hopper NN 28553 4106 19 , , , 28553 4106 20 and and CC 28553 4106 21 is be VBZ 28553 4106 22 collected collect VBN 28553 4106 23 in in IN 28553 4106 24 a a DT 28553 4106 25 sack sack NN 28553 4106 26 attached attach VBN 28553 4106 27 to to IN 28553 4106 28 the the DT 28553 4106 29 hopper hopper NN 28553 4106 30 mouth mouth NN 28553 4106 31 . . . 28553 4107 1 The the DT 28553 4107 2 " " `` 28553 4107 3 seconds second NNS 28553 4107 4 " " '' 28553 4107 5 fall fall VBP 28553 4107 6 through through IN 28553 4107 7 the the DT 28553 4107 8 second second JJ 28553 4107 9 half half NN 28553 4107 10 of of IN 28553 4107 11 the the DT 28553 4107 12 drum drum NN 28553 4107 13 , , , 28553 4107 14 more more RBR 28553 4107 15 widely widely RB 28553 4107 16 spaced space VBN 28553 4107 17 , , , 28553 4107 18 into into IN 28553 4107 19 their -PRON- PRP$ 28553 4107 20 sack sack NN 28553 4107 21 ; ; : 28553 4107 22 and and CC 28553 4107 23 the the DT 28553 4107 24 " " `` 28553 4107 25 firsts first NNS 28553 4107 26 " " '' 28553 4107 27 fall fall VBP 28553 4107 28 out out IN 28553 4107 29 of of IN 28553 4107 30 the the DT 28553 4107 31 end end NN 28553 4107 32 and and CC 28553 4107 33 through through IN 28553 4107 34 a a DT 28553 4107 35 third third JJ 28553 4107 36 spout spout NN 28553 4107 37 . . . 28553 4108 1 MOWING MOWING NNP 28553 4108 2 - - HYPH 28553 4108 3 MACHINES MACHINES NNP 28553 4108 4 . . . 28553 4109 1 [ [ -LRB- 28553 4109 2 Illustration illustration NN 28553 4109 3 : : : 28553 4109 4 FIG FIG NNP 28553 4109 5 . . . 28553 4110 1 227 227 CD 28553 4110 2 . . . 28553 4110 3 ] ] -RRB- 28553 4111 1 The the DT 28553 4111 2 ordinary ordinary JJ 28553 4111 3 _ _ NNP 28553 4111 4 lawn lawn NN 28553 4111 5 -- -- : 28553 4111 6 mower mower NN 28553 4111 7 _ _ NNP 28553 4111 8 employs employ VBZ 28553 4111 9 a a DT 28553 4111 10 revolving revolving JJ 28553 4111 11 reel reel NN 28553 4111 12 , , , 28553 4111 13 built build VBN 28553 4111 14 up up IN 28553 4111 15 of of IN 28553 4111 16 spirally spirally RB 28553 4111 17 - - HYPH 28553 4111 18 arranged arrange VBN 28553 4111 19 knives knife NNS 28553 4111 20 , , , 28553 4111 21 the the DT 28553 4111 22 edges edge NNS 28553 4111 23 of of IN 28553 4111 24 which which WDT 28553 4111 25 pass pass VBP 28553 4111 26 very very RB 28553 4111 27 close close RB 28553 4111 28 to to IN 28553 4111 29 a a DT 28553 4111 30 sharp sharp JJ 28553 4111 31 plate plate NN 28553 4111 32 projecting projecting NN 28553 4111 33 from from IN 28553 4111 34 the the DT 28553 4111 35 frame frame NN 28553 4111 36 of of IN 28553 4111 37 the the DT 28553 4111 38 mower mower NN 28553 4111 39 . . . 28553 4112 1 Each each DT 28553 4112 2 blade blade NN 28553 4112 3 , , , 28553 4112 4 as as IN 28553 4112 5 it -PRON- PRP 28553 4112 6 turns turn VBZ 28553 4112 7 , , , 28553 4112 8 works work VBZ 28553 4112 9 along along IN 28553 4112 10 the the DT 28553 4112 11 plate plate NN 28553 4112 12 , , , 28553 4112 13 giving give VBG 28553 4112 14 a a DT 28553 4112 15 shearing shearing NN 28553 4112 16 cut cut NN 28553 4112 17 to to IN 28553 4112 18 any any DT 28553 4112 19 grass grass NN 28553 4112 20 that that WDT 28553 4112 21 may may MD 28553 4112 22 be be VB 28553 4112 23 caught catch VBN 28553 4112 24 between between IN 28553 4112 25 the the DT 28553 4112 26 two two CD 28553 4112 27 cutting cut VBG 28553 4112 28 edges edge NNS 28553 4112 29 . . . 28553 4113 1 The the DT 28553 4113 2 action action NN 28553 4113 3 is be VBZ 28553 4113 4 that that DT 28553 4113 5 of of IN 28553 4113 6 a a DT 28553 4113 7 pair pair NN 28553 4113 8 of of IN 28553 4113 9 scissors scissor NNS 28553 4113 10 ( ( -LRB- 28553 4113 11 Fig fig NN 28553 4113 12 . . . 28553 4114 1 227 227 CD 28553 4114 2 ) ) -RRB- 28553 4114 3 , , , 28553 4114 4 one one CD 28553 4114 5 blade blade NN 28553 4114 6 representing represent VBG 28553 4114 7 the the DT 28553 4114 8 fixed fix VBN 28553 4114 9 , , , 28553 4114 10 the the DT 28553 4114 11 other other JJ 28553 4114 12 the the DT 28553 4114 13 moving move VBG 28553 4114 14 knife knife NN 28553 4114 15 . . . 28553 4115 1 If if IN 28553 4115 2 you -PRON- PRP 28553 4115 3 place place VBP 28553 4115 4 a a DT 28553 4115 5 cylinder cylinder NN 28553 4115 6 of of IN 28553 4115 7 wood wood NN 28553 4115 8 in in IN 28553 4115 9 the the DT 28553 4115 10 scissors scissor NNS 28553 4115 11 it -PRON- PRP 28553 4115 12 will will MD 28553 4115 13 be be VB 28553 4115 14 driven drive VBN 28553 4115 15 forward forward RB 28553 4115 16 by by IN 28553 4115 17 the the DT 28553 4115 18 closing closing NN 28553 4115 19 of of IN 28553 4115 20 the the DT 28553 4115 21 blades blade NNS 28553 4115 22 , , , 28553 4115 23 and and CC 28553 4115 24 be be VB 28553 4115 25 marked mark VBN 28553 4115 26 by by IN 28553 4115 27 them -PRON- PRP 28553 4115 28 as as IN 28553 4115 29 it -PRON- PRP 28553 4115 30 passes pass VBZ 28553 4115 31 along along IN 28553 4115 32 the the DT 28553 4115 33 edges edge NNS 28553 4115 34 . . . 28553 4116 1 The the DT 28553 4116 2 same same JJ 28553 4116 3 thing thing NN 28553 4116 4 happens happen VBZ 28553 4116 5 with with IN 28553 4116 6 grass grass NN 28553 4116 7 , , , 28553 4116 8 which which WDT 28553 4116 9 is be VBZ 28553 4116 10 so so RB 28553 4116 11 soft soft JJ 28553 4116 12 that that IN 28553 4116 13 it -PRON- PRP 28553 4116 14 is be VBZ 28553 4116 15 cut cut VBN 28553 4116 16 right right RB 28553 4116 17 through through RB 28553 4116 18 . . . 28553 4117 1 HAY HAY NNP 28553 4117 2 - - HYPH 28553 4117 3 CUTTER CUTTER NNP 28553 4117 4 . . . 28553 4118 1 The the DT 28553 4118 2 _ _ NNP 28553 4118 3 hay hay NN 28553 4118 4 - - HYPH 28553 4118 5 cutter cutter NN 28553 4118 6 _ _ NNP 28553 4118 7 is be VBZ 28553 4118 8 another another DT 28553 4118 9 adaptation adaptation NN 28553 4118 10 of of IN 28553 4118 11 the the DT 28553 4118 12 same same JJ 28553 4118 13 principle principle NN 28553 4118 14 . . . 28553 4119 1 A a DT 28553 4119 2 cutter cutter NN 28553 4119 3 - - HYPH 28553 4119 4 bar bar NN 28553 4119 5 is be VBZ 28553 4119 6 pulled pull VBN 28553 4119 7 rapidly rapidly RB 28553 4119 8 backwards backwards RB 28553 4119 9 and and CC 28553 4119 10 forwards forwards RB 28553 4119 11 in in IN 28553 4119 12 a a DT 28553 4119 13 frame frame NN 28553 4119 14 which which WDT 28553 4119 15 runs run VBZ 28553 4119 16 a a DT 28553 4119 17 few few JJ 28553 4119 18 inches inch NNS 28553 4119 19 above above IN 28553 4119 20 the the DT 28553 4119 21 ground ground NN 28553 4119 22 by by IN 28553 4119 23 a a DT 28553 4119 24 crank crank NN 28553 4119 25 driven drive VBN 28553 4119 26 by by IN 28553 4119 27 the the DT 28553 4119 28 wheels wheel NNS 28553 4119 29 through through IN 28553 4119 30 gearing gearing NN 28553 4119 31 . . . 28553 4120 1 To to IN 28553 4120 2 the the DT 28553 4120 3 front front JJ 28553 4120 4 edge edge NN 28553 4120 5 of of IN 28553 4120 6 the the DT 28553 4120 7 bar bar NN 28553 4120 8 are be VBP 28553 4120 9 attached attach VBN 28553 4120 10 by by IN 28553 4120 11 one one CD 28553 4120 12 side side NN 28553 4120 13 a a DT 28553 4120 14 number number NN 28553 4120 15 of of IN 28553 4120 16 triangular triangular JJ 28553 4120 17 knives knife NNS 28553 4120 18 . . . 28553 4121 1 The the DT 28553 4121 2 frame frame NN 28553 4121 3 carries carry VBZ 28553 4121 4 an an DT 28553 4121 5 equal equal JJ 28553 4121 6 number number NN 28553 4121 7 of of IN 28553 4121 8 spikes spike NNS 28553 4121 9 pointing point VBG 28553 4121 10 forward forward RB 28553 4121 11 horizontally horizontally RB 28553 4121 12 . . . 28553 4122 1 Through through IN 28553 4122 2 slots slot NNS 28553 4122 3 in in IN 28553 4122 4 these these DT 28553 4122 5 the the DT 28553 4122 6 cutter cutter NN 28553 4122 7 - - HYPH 28553 4122 8 bar bar NN 28553 4122 9 works work NNS 28553 4122 10 , , , 28553 4122 11 and and CC 28553 4122 12 its -PRON- PRP$ 28553 4122 13 knives knife NNS 28553 4122 14 give give VBP 28553 4122 15 a a DT 28553 4122 16 drawing drawing NN 28553 4122 17 cut cut NN 28553 4122 18 to to TO 28553 4122 19 grass grass NN 28553 4122 20 caught catch VBN 28553 4122 21 between between IN 28553 4122 22 them -PRON- PRP 28553 4122 23 and and CC 28553 4122 24 the the DT 28553 4122 25 sides side NNS 28553 4122 26 of of IN 28553 4122 27 the the DT 28553 4122 28 spikes spike NNS 28553 4122 29 . . . 28553 4123 1 * * NFP 28553 4123 2 * * NFP 28553 4123 3 * * NFP 28553 4123 4 * * NFP 28553 4123 5 * * NFP 28553 4123 6 SOME some NN 28553 4123 7 NATURAL natural JJ 28553 4123 8 PHENOMENA phenomena NN 28553 4123 9 . . . 28553 4124 1 WHY why WRB 28553 4124 2 SUN SUN NNP 28553 4124 3 - - HYPH 28553 4124 4 HEAT HEAT NNP 28553 4124 5 VARIES vary VBZ 28553 4124 6 IN in IN 28553 4124 7 INTENSITY INTENSITY NNP 28553 4124 8 . . . 28553 4125 1 The the DT 28553 4125 2 more more RBR 28553 4125 3 squarely squarely RB 28553 4125 4 parallel parallel JJ 28553 4125 5 heat heat NN 28553 4125 6 - - HYPH 28553 4125 7 rays ray NNS 28553 4125 8 strike strike VBP 28553 4125 9 a a DT 28553 4125 10 surface surface NN 28553 4125 11 the the DT 28553 4125 12 greater great JJR 28553 4125 13 will will MD 28553 4125 14 be be VB 28553 4125 15 the the DT 28553 4125 16 number number NN 28553 4125 17 that that WDT 28553 4125 18 can can MD 28553 4125 19 affect affect VB 28553 4125 20 that that DT 28553 4125 21 surface surface NN 28553 4125 22 . . . 28553 4126 1 This this DT 28553 4126 2 is be VBZ 28553 4126 3 evident evident JJ 28553 4126 4 from from IN 28553 4126 5 Figs fig NNS 28553 4126 6 . . . 28553 4127 1 228 228 CD 28553 4127 2 , , , 28553 4127 3 229 229 CD 28553 4127 4 , , , 28553 4127 5 where where WRB 28553 4127 6 A a DT 28553 4127 7 B B NNP 28553 4127 8 is be VBZ 28553 4127 9 an an DT 28553 4127 10 equal equal JJ 28553 4127 11 distance distance NN 28553 4127 12 in in IN 28553 4127 13 both both DT 28553 4127 14 cases case NNS 28553 4127 15 . . . 28553 4128 1 The the DT 28553 4128 2 nearer nearer NN 28553 4128 3 the the DT 28553 4128 4 sun sun NN 28553 4128 5 is be VBZ 28553 4128 6 to to IN 28553 4128 7 the the DT 28553 4128 8 horizon horizon NN 28553 4128 9 , , , 28553 4128 10 the the DT 28553 4128 11 more more RBR 28553 4128 12 obliquely obliquely RB 28553 4128 13 do do VBP 28553 4128 14 its -PRON- PRP$ 28553 4128 15 rays ray NNS 28553 4128 16 strike strike VB 28553 4128 17 the the DT 28553 4128 18 earth earth NN 28553 4128 19 . . . 28553 4129 1 Hence hence RB 28553 4129 2 midday midday NN 28553 4129 3 is be VBZ 28553 4129 4 necessarily necessarily RB 28553 4129 5 warmer warm JJR 28553 4129 6 than than IN 28553 4129 7 the the DT 28553 4129 8 evening evening NN 28553 4129 9 , , , 28553 4129 10 and and CC 28553 4129 11 the the DT 28553 4129 12 tropics tropic NNS 28553 4129 13 , , , 28553 4129 14 where where WRB 28553 4129 15 the the DT 28553 4129 16 sun sun NN 28553 4129 17 stands stand VBZ 28553 4129 18 overhead overhead RB 28553 4129 19 , , , 28553 4129 20 are be VBP 28553 4129 21 hotter hot JJR 28553 4129 22 than than IN 28553 4129 23 the the DT 28553 4129 24 temperate temperate NN 28553 4129 25 zones zone NNS 28553 4129 26 , , , 28553 4129 27 where where WRB 28553 4129 28 , , , 28553 4129 29 even even RB 28553 4129 30 in in IN 28553 4129 31 summer summer NN 28553 4129 32 at at IN 28553 4129 33 midday midday NN 28553 4129 34 , , , 28553 4129 35 the the DT 28553 4129 36 rays ray NNS 28553 4129 37 fall fall VBP 28553 4129 38 more more RBR 28553 4129 39 or or CC 28553 4129 40 less less RBR 28553 4129 41 on on IN 28553 4129 42 the the DT 28553 4129 43 slant slant NN 28553 4129 44 . . . 28553 4130 1 [ [ -LRB- 28553 4130 2 Illustration illustration NN 28553 4130 3 : : : 28553 4130 4 FIG FIG NNP 28553 4130 5 . . . 28553 4131 1 228 228 CD 28553 4131 2 . . . 28553 4131 3 ] ] -RRB- 28553 4132 1 [ [ -LRB- 28553 4132 2 Illustration illustration NN 28553 4132 3 : : : 28553 4132 4 FIG FIG NNP 28553 4132 5 . . . 28553 4133 1 229 229 CD 28553 4133 2 . . . 28553 4133 3 ] ] -RRB- 28553 4134 1 The the DT 28553 4134 2 atmospheric atmospheric JJ 28553 4134 3 envelope envelope NN 28553 4134 4 which which WDT 28553 4134 5 encompasses encompass VBZ 28553 4134 6 the the DT 28553 4134 7 earth earth NN 28553 4134 8 tends tend VBZ 28553 4134 9 to to TO 28553 4134 10 increase increase VB 28553 4134 11 the the DT 28553 4134 12 effect effect NN 28553 4134 13 of of IN 28553 4134 14 obliquity obliquity NN 28553 4134 15 , , , 28553 4134 16 since since IN 28553 4134 17 a a DT 28553 4134 18 slanting slanting JJ 28553 4134 19 ray ray NN 28553 4134 20 has have VBZ 28553 4134 21 to to TO 28553 4134 22 travel travel VB 28553 4134 23 further further RB 28553 4134 24 through through IN 28553 4134 25 it -PRON- PRP 28553 4134 26 and and CC 28553 4134 27 is be VBZ 28553 4134 28 robbed rob VBN 28553 4134 29 of of IN 28553 4134 30 more more JJR 28553 4134 31 heat heat NN 28553 4134 32 than than IN 28553 4134 33 a a DT 28553 4134 34 vertical vertical JJ 28553 4134 35 ray ray NN 28553 4134 36 . . . 28553 4135 1 THE the DT 28553 4135 2 TIDES TIDES NNP 28553 4135 3 . . . 28553 4136 1 All all DT 28553 4136 2 bodies body NNS 28553 4136 3 have have VBP 28553 4136 4 an an DT 28553 4136 5 attraction attraction NN 28553 4136 6 for for IN 28553 4136 7 one one CD 28553 4136 8 another another DT 28553 4136 9 . . . 28553 4137 1 The the DT 28553 4137 2 earth earth NN 28553 4137 3 attracts attract VBZ 28553 4137 4 the the DT 28553 4137 5 moon moon NN 28553 4137 6 , , , 28553 4137 7 and and CC 28553 4137 8 the the DT 28553 4137 9 moon moon NN 28553 4137 10 attracts attract VBZ 28553 4137 11 the the DT 28553 4137 12 earth earth NN 28553 4137 13 . . . 28553 4138 1 Now now RB 28553 4138 2 , , , 28553 4138 3 though though IN 28553 4138 4 the the DT 28553 4138 5 effect effect NN 28553 4138 6 of of IN 28553 4138 7 this this DT 28553 4138 8 attraction attraction NN 28553 4138 9 is be VBZ 28553 4138 10 not not RB 28553 4138 11 visible visible JJ 28553 4138 12 as as IN 28553 4138 13 regards regard VBZ 28553 4138 14 the the DT 28553 4138 15 solid solid JJ 28553 4138 16 part part NN 28553 4138 17 of of IN 28553 4138 18 the the DT 28553 4138 19 globe globe NN 28553 4138 20 , , , 28553 4138 21 it -PRON- PRP 28553 4138 22 is be VBZ 28553 4138 23 strongly strongly RB 28553 4138 24 manifested manifest VBN 28553 4138 25 by by IN 28553 4138 26 the the DT 28553 4138 27 water water NN 28553 4138 28 which which WDT 28553 4138 29 covers cover VBZ 28553 4138 30 a a DT 28553 4138 31 large large JJ 28553 4138 32 portion portion NN 28553 4138 33 of of IN 28553 4138 34 the the DT 28553 4138 35 earth earth NN 28553 4138 36 's 's POS 28553 4138 37 surface surface NN 28553 4138 38 . . . 28553 4139 1 The the DT 28553 4139 2 moon moon NN 28553 4139 3 attracts attract VBZ 28553 4139 4 the the DT 28553 4139 5 water water NN 28553 4139 6 most most RBS 28553 4139 7 powerfully powerfully RB 28553 4139 8 at at IN 28553 4139 9 two two CD 28553 4139 10 points point NNS 28553 4139 11 , , , 28553 4139 12 that that IN 28553 4139 13 nearest near JJS 28553 4139 14 to to IN 28553 4139 15 it -PRON- PRP 28553 4139 16 and and CC 28553 4139 17 that that DT 28553 4139 18 furthest furth JJS 28553 4139 19 away away RB 28553 4139 20 from from IN 28553 4139 21 it -PRON- PRP 28553 4139 22 ; ; : 28553 4139 23 as as IN 28553 4139 24 shown show VBN 28553 4139 25 on on IN 28553 4139 26 an an DT 28553 4139 27 exaggerated exaggerated JJ 28553 4139 28 scale scale NN 28553 4139 29 in in IN 28553 4139 30 Fig Fig NNP 28553 4139 31 . . . 28553 4140 1 230 230 CD 28553 4140 2 . . . 28553 4141 1 Since since IN 28553 4141 2 the the DT 28553 4141 3 earth earth NN 28553 4141 4 and and CC 28553 4141 5 the the DT 28553 4141 6 water water NN 28553 4141 7 revolve revolve VB 28553 4141 8 as as IN 28553 4141 9 one one CD 28553 4141 10 mass mass NN 28553 4141 11 daily daily RB 28553 4141 12 on on IN 28553 4141 13 their -PRON- PRP$ 28553 4141 14 axis axi NNS 28553 4141 15 , , , 28553 4141 16 every every DT 28553 4141 17 point point NN 28553 4141 18 on on IN 28553 4141 19 the the DT 28553 4141 20 circumference circumference NN 28553 4141 21 would would MD 28553 4141 22 be be VB 28553 4141 23 daily daily JJ 28553 4141 24 nearest near JJS 28553 4141 25 to to TO 28553 4141 26 and and CC 28553 4141 27 furthest furthest VB 28553 4141 28 from from IN 28553 4141 29 the the DT 28553 4141 30 moon moon NN 28553 4141 31 at at IN 28553 4141 32 regular regular JJ 28553 4141 33 intervals interval NNS 28553 4141 34 , , , 28553 4141 35 and and CC 28553 4141 36 wherever wherever WRB 28553 4141 37 there there EX 28553 4141 38 is be VBZ 28553 4141 39 ocean ocean NN 28553 4141 40 there there EX 28553 4141 41 would would MD 28553 4141 42 be be VB 28553 4141 43 two two CD 28553 4141 44 tides tide NNS 28553 4141 45 in in IN 28553 4141 46 that that DT 28553 4141 47 period period NN 28553 4141 48 , , , 28553 4141 49 were be VBD 28553 4141 50 the the DT 28553 4141 51 moon moon NN 28553 4141 52 stationary stationary JJ 28553 4141 53 as as IN 28553 4141 54 regards regard VBZ 28553 4141 55 the the DT 28553 4141 56 earth earth NN 28553 4141 57 . . . 28553 4142 1 ( ( -LRB- 28553 4142 2 It -PRON- PRP 28553 4142 3 should should MD 28553 4142 4 be be VB 28553 4142 5 clearly clearly RB 28553 4142 6 understood understand VBN 28553 4142 7 that that IN 28553 4142 8 the the DT 28553 4142 9 tides tide NNS 28553 4142 10 are be VBP 28553 4142 11 not not RB 28553 4142 12 great great JJ 28553 4142 13 currents current NNS 28553 4142 14 , , , 28553 4142 15 but but CC 28553 4142 16 mere mere JJ 28553 4142 17 thickenings thickening NNS 28553 4142 18 of of IN 28553 4142 19 the the DT 28553 4142 20 watery watery JJ 28553 4142 21 envelope envelope NN 28553 4142 22 . . . 28553 4143 1 The the DT 28553 4143 2 inrush inrush NN 28553 4143 3 of of IN 28553 4143 4 the the DT 28553 4143 5 tide tide NN 28553 4143 6 is be VBZ 28553 4143 7 due due JJ 28553 4143 8 to to IN 28553 4143 9 the the DT 28553 4143 10 temporary temporary JJ 28553 4143 11 rise rise NN 28553 4143 12 of of IN 28553 4143 13 level level NN 28553 4143 14 . . . 28553 4143 15 ) ) -RRB- 28553 4144 1 [ [ -LRB- 28553 4144 2 Illustration illustration NN 28553 4144 3 : : : 28553 4144 4 FIG FIG NNP 28553 4144 5 . . . 28553 4145 1 230 230 CD 28553 4145 2 . . . 28553 4145 3 ] ] -RRB- 28553 4146 1 [ [ -LRB- 28553 4146 2 Illustration illustration NN 28553 4146 3 : : : 28553 4146 4 FIG FIG NNP 28553 4146 5 . . . 28553 4147 1 231 231 CD 28553 4147 2 . . . 28553 4147 3 ] ] -RRB- 28553 4148 1 WHY why WRB 28553 4148 2 HIGH high JJ 28553 4148 3 TIDE TIDE NNS 28553 4148 4 VARIES vary VBD 28553 4148 5 DAILY DAILY NNP 28553 4148 6 . . . 28553 4149 1 The the DT 28553 4149 2 moon moon NN 28553 4149 3 travels travel VBZ 28553 4149 4 round round IN 28553 4149 5 the the DT 28553 4149 6 earth earth NN 28553 4149 7 once once RB 28553 4149 8 in in IN 28553 4149 9 twenty twenty CD 28553 4149 10 - - HYPH 28553 4149 11 eight eight CD 28553 4149 12 days day NNS 28553 4149 13 . . . 28553 4150 1 In in IN 28553 4150 2 Fig Fig NNP 28553 4150 3 . . . 28553 4151 1 231 231 CD 28553 4151 2 the the DT 28553 4151 3 point point NN 28553 4151 4 _ _ IN 28553 4151 5 a a DT 28553 4151 6 _ _ NNP 28553 4151 7 is be VBZ 28553 4151 8 nearest near JJS 28553 4151 9 the the DT 28553 4151 10 moon moon NN 28553 4151 11 at at IN 28553 4151 12 , , , 28553 4151 13 say say UH 28553 4151 14 , , , 28553 4151 15 twelve twelve CD 28553 4151 16 noon noon NN 28553 4151 17 . . . 28553 4152 1 At at IN 28553 4152 2 the the DT 28553 4152 3 end end NN 28553 4152 4 of of IN 28553 4152 5 twenty twenty CD 28553 4152 6 - - HYPH 28553 4152 7 four four CD 28553 4152 8 hours hour NNS 28553 4152 9 it -PRON- PRP 28553 4152 10 will will MD 28553 4152 11 have have VB 28553 4152 12 arrived arrive VBN 28553 4152 13 at at IN 28553 4152 14 the the DT 28553 4152 15 same same JJ 28553 4152 16 position position NN 28553 4152 17 by by IN 28553 4152 18 the the DT 28553 4152 19 compass compass NN 28553 4152 20 , , , 28553 4152 21 but but CC 28553 4152 22 yet yet RB 28553 4152 23 not not RB 28553 4152 24 be be VB 28553 4152 25 nearest near JJS 28553 4152 26 to to IN 28553 4152 27 the the DT 28553 4152 28 moon moon NN 28553 4152 29 , , , 28553 4152 30 which which WDT 28553 4152 31 has have VBZ 28553 4152 32 in in IN 28553 4152 33 that that DT 28553 4152 34 period period NN 28553 4152 35 moved move VBD 28553 4152 36 on on IN 28553 4152 37 1/28th 1/28th CD 28553 4152 38 of of IN 28553 4152 39 a a DT 28553 4152 40 revolution revolution NN 28553 4152 41 round round IN 28553 4152 42 the the DT 28553 4152 43 earth earth NN 28553 4152 44 . . . 28553 4153 1 [ [ -LRB- 28553 4153 2 43 43 CD 28553 4153 3 ] ] -RRB- 28553 4153 4 Consequently consequently RB 28553 4153 5 high high JJ 28553 4153 6 tide tide NN 28553 4153 7 will will MD 28553 4153 8 not not RB 28553 4153 9 occur occur VB 28553 4153 10 till till IN 28553 4153 11 _ _ NNP 28553 4153 12 a a DT 28553 4153 13 _ _ NNP 28553 4153 14 has have VBZ 28553 4153 15 reached reach VBN 28553 4153 16 position position NN 28553 4153 17 _ _ NNP 28553 4153 18 b b NNP 28553 4153 19 _ _ NNP 28553 4153 20 and and CC 28553 4153 21 overtaken overtake VBN 28553 4153 22 the the DT 28553 4153 23 moon moon NN 28553 4153 24 , , , 28553 4153 25 as as IN 28553 4153 26 it -PRON- PRP 28553 4153 27 were be VBD 28553 4153 28 , , , 28553 4153 29 which which WDT 28553 4153 30 takes take VBZ 28553 4153 31 about about RP 28553 4153 32 an an DT 28553 4153 33 hour hour NN 28553 4153 34 on on IN 28553 4153 35 the the DT 28553 4153 36 average average NN 28553 4153 37 . . . 28553 4154 1 This this DT 28553 4154 2 explains explain VBZ 28553 4154 3 why why WRB 28553 4154 4 high high JJ 28553 4154 5 tide tide NN 28553 4154 6 occurs occur VBZ 28553 4154 7 at at IN 28553 4154 8 intervals interval NNS 28553 4154 9 of of IN 28553 4154 10 more more JJR 28553 4154 11 than than IN 28553 4154 12 twelve twelve CD 28553 4154 13 hours hour NNS 28553 4154 14 . . . 28553 4155 1 [ [ -LRB- 28553 4155 2 Illustration illustration NN 28553 4155 3 : : : 28553 4155 4 FIG FIG NNP 28553 4155 5 . . . 28553 4156 1 232.--Relative 232.--relative CD 28553 4156 2 positions position NNS 28553 4156 3 of of IN 28553 4156 4 sun sun NN 28553 4156 5 , , , 28553 4156 6 moon moon NN 28553 4156 7 , , , 28553 4156 8 and and CC 28553 4156 9 earth earth NN 28553 4156 10 at at IN 28553 4156 11 " " `` 28553 4156 12 spring spring NN 28553 4156 13 " " '' 28553 4156 14 tides tide NNS 28553 4156 15 . . . 28553 4156 16 ] ] -RRB- 28553 4157 1 [ [ -LRB- 28553 4157 2 Illustration illustration NN 28553 4157 3 : : : 28553 4157 4 FIG FIG NNP 28553 4157 5 . . . 28553 4158 1 233.--Relative 233.--relative CD 28553 4158 2 positions position NNS 28553 4158 3 of of IN 28553 4158 4 sun sun NN 28553 4158 5 , , , 28553 4158 6 moon moon NN 28553 4158 7 , , , 28553 4158 8 and and CC 28553 4158 9 earth earth NN 28553 4158 10 at at IN 28553 4158 11 " " `` 28553 4158 12 neap neap NNP 28553 4158 13 " " '' 28553 4158 14 tides tide NNS 28553 4158 15 . . . 28553 4158 16 ] ] -RRB- 28553 4159 1 NEAP NEAP NNP 28553 4159 2 TIDES TIDES NNP 28553 4159 3 AND and CC 28553 4159 4 SPRING spring VBP 28553 4159 5 TIDES TIDES NNP 28553 4159 6 . . . 28553 4160 1 The the DT 28553 4160 2 sun sun NN 28553 4160 3 , , , 28553 4160 4 as as RB 28553 4160 5 well well RB 28553 4160 6 as as IN 28553 4160 7 the the DT 28553 4160 8 moon moon NN 28553 4160 9 , , , 28553 4160 10 attracts attract VBZ 28553 4160 11 the the DT 28553 4160 12 ocean ocean NN 28553 4160 13 , , , 28553 4160 14 but but CC 28553 4160 15 with with IN 28553 4160 16 less less JJR 28553 4160 17 power power NN 28553 4160 18 , , , 28553 4160 19 owing owe VBG 28553 4160 20 to to IN 28553 4160 21 its -PRON- PRP$ 28553 4160 22 being be VBG 28553 4160 23 so so RB 28553 4160 24 much much RB 28553 4160 25 further further RB 28553 4160 26 away away RB 28553 4160 27 . . . 28553 4161 1 At at IN 28553 4161 2 certain certain JJ 28553 4161 3 periods period NNS 28553 4161 4 of of IN 28553 4161 5 the the DT 28553 4161 6 month month NN 28553 4161 7 , , , 28553 4161 8 sun sun NN 28553 4161 9 , , , 28553 4161 10 earth earth NN 28553 4161 11 , , , 28553 4161 12 and and CC 28553 4161 13 moon moon NN 28553 4161 14 are be VBP 28553 4161 15 all all RB 28553 4161 16 in in IN 28553 4161 17 line line NN 28553 4161 18 . . . 28553 4162 1 Sun Sun NNP 28553 4162 2 and and CC 28553 4162 3 moon moon NN 28553 4162 4 then then RB 28553 4162 5 pull pull VB 28553 4162 6 together together RB 28553 4162 7 , , , 28553 4162 8 and and CC 28553 4162 9 we -PRON- PRP 28553 4162 10 get get VBP 28553 4162 11 the the DT 28553 4162 12 highest high JJS 28553 4162 13 , , , 28553 4162 14 or or CC 28553 4162 15 _ _ NNP 28553 4162 16 spring spring NN 28553 4162 17 _ _ NNP 28553 4162 18 tides tide VBZ 28553 4162 19 ( ( -LRB- 28553 4162 20 Fig fig NN 28553 4162 21 . . . 28553 4163 1 232 232 CD 28553 4163 2 ) ) -RRB- 28553 4163 3 . . . 28553 4164 1 When when WRB 28553 4164 2 sun sun NN 28553 4164 3 and and CC 28553 4164 4 moon moon NNP 28553 4164 5 pull pull VB 28553 4164 6 at at IN 28553 4164 7 right right JJ 28553 4164 8 angles angle NNS 28553 4164 9 to to IN 28553 4164 10 one one CD 28553 4164 11 another another DT 28553 4164 12 -- -- : 28553 4164 13 namely namely RB 28553 4164 14 , , , 28553 4164 15 at at IN 28553 4164 16 the the DT 28553 4164 17 first first JJ 28553 4164 18 and and CC 28553 4164 19 third third JJ 28553 4164 20 quarters quarter NNS 28553 4164 21 -- -- : 28553 4164 22 the the DT 28553 4164 23 excrescence excrescence NN 28553 4164 24 caused cause VBN 28553 4164 25 by by IN 28553 4164 26 the the DT 28553 4164 27 moon moon NN 28553 4164 28 is be VBZ 28553 4164 29 flattened flatten VBN 28553 4164 30 ( ( -LRB- 28553 4164 31 Fig fig NN 28553 4164 32 . . . 28553 4165 1 233 233 CD 28553 4165 2 ) ) -RRB- 28553 4165 3 , , , 28553 4165 4 and and CC 28553 4165 5 we -PRON- PRP 28553 4165 6 get get VBP 28553 4165 7 the the DT 28553 4165 8 lowest low JJS 28553 4165 9 , , , 28553 4165 10 or or CC 28553 4165 11 _ _ NNP 28553 4165 12 neap neap NNP 28553 4165 13 _ _ NNP 28553 4165 14 tides tides NNP 28553 4165 15 . . . 28553 4166 1 [ [ -LRB- 28553 4166 2 39 39 CD 28553 4166 3 ] ] -RRB- 28553 4166 4 In in IN 28553 4166 5 both both DT 28553 4166 6 Figs fig NNS 28553 4166 7 . . . 28553 4167 1 207 207 CD 28553 4167 2 and and CC 28553 4167 3 208 208 CD 28553 4167 4 the the DT 28553 4167 5 degree degree NN 28553 4167 6 of of IN 28553 4167 7 expansion expansion NN 28553 4167 8 is be VBZ 28553 4167 9 very very RB 28553 4167 10 greatly greatly RB 28553 4167 11 exaggerated exaggerated JJ 28553 4167 12 . . . 28553 4168 1 [ [ -LRB- 28553 4168 2 40 40 CD 28553 4168 3 ] ] -RRB- 28553 4168 4 As as IN 28553 4168 5 the the DT 28553 4168 6 sun sun NN 28553 4168 7 passes pass VBZ 28553 4168 8 the the DT 28553 4168 9 meridian meridian NNP 28553 4168 10 ( ( -LRB- 28553 4168 11 twelve twelve CD 28553 4168 12 o'clock o'clock NN 28553 4168 13 , , , 28553 4168 14 noon noon NN 28553 4168 15 ) ) -RRB- 28553 4168 16 the the DT 28553 4168 17 chronometer chronometer NN 28553 4168 18 's 's POS 28553 4168 19 reading reading NN 28553 4168 20 is be VBZ 28553 4168 21 taken take VBN 28553 4168 22 , , , 28553 4168 23 and and CC 28553 4168 24 the the DT 28553 4168 25 longitude longitude NN 28553 4168 26 , , , 28553 4168 27 or or CC 28553 4168 28 distance distance NN 28553 4168 29 east east NNP 28553 4168 30 or or CC 28553 4168 31 west west NN 28553 4168 32 of of IN 28553 4168 33 Greenwich Greenwich NNP 28553 4168 34 , , , 28553 4168 35 is be VBZ 28553 4168 36 reckoned reckon VBN 28553 4168 37 by by IN 28553 4168 38 the the DT 28553 4168 39 difference difference NN 28553 4168 40 in in IN 28553 4168 41 time time NN 28553 4168 42 between between IN 28553 4168 43 local local JJ 28553 4168 44 noon noon NN 28553 4168 45 and and CC 28553 4168 46 that that DT 28553 4168 47 of of IN 28553 4168 48 the the DT 28553 4168 49 chronometer chronometer NN 28553 4168 50 . . . 28553 4169 1 [ [ -LRB- 28553 4169 2 41 41 CD 28553 4169 3 ] ] -RRB- 28553 4169 4 For for IN 28553 4169 5 much much JJ 28553 4169 6 of of IN 28553 4169 7 the the DT 28553 4169 8 information information NN 28553 4169 9 given give VBN 28553 4169 10 here here RB 28553 4169 11 about about IN 28553 4169 12 clocks clock NNS 28553 4169 13 and and CC 28553 4169 14 watches watch VBZ 28553 4169 15 the the DT 28553 4169 16 author author NN 28553 4169 17 is be VBZ 28553 4169 18 indebted indebte VBN 28553 4169 19 to to IN 28553 4169 20 " " `` 28553 4169 21 The the DT 28553 4169 22 History history NN 28553 4169 23 of of IN 28553 4169 24 Watches watch NNS 28553 4169 25 , , , 28553 4169 26 " " '' 28553 4169 27 by by IN 28553 4169 28 Mr. Mr. NNP 28553 4169 29 J.F. J.F. NNP 28553 4170 1 Kendal kendal NN 28553 4170 2 . . . 28553 4171 1 [ [ -LRB- 28553 4171 2 42 42 CD 28553 4171 3 ] ] -RRB- 28553 4171 4 We -PRON- PRP 28553 4171 5 shall shall MD 28553 4171 6 here here RB 28553 4171 7 notice notice VB 28553 4171 8 only only RB 28553 4171 9 those those DT 28553 4171 10 gears gear NNS 28553 4171 11 which which WDT 28553 4171 12 are be VBP 28553 4171 13 included include VBN 28553 4171 14 in in IN 28553 4171 15 the the DT 28553 4171 16 hub hub NN 28553 4171 17 of of IN 28553 4171 18 the the DT 28553 4171 19 driving driving NN 28553 4171 20 - - HYPH 28553 4171 21 wheel wheel NN 28553 4171 22 . . . 28553 4172 1 [ [ -LRB- 28553 4172 2 43 43 CD 28553 4172 3 ] ] -RRB- 28553 4172 4 The the DT 28553 4172 5 original original JJ 28553 4172 6 position position NN 28553 4172 7 of of IN 28553 4172 8 the the DT 28553 4172 9 moon moon NN 28553 4172 10 is be VBZ 28553 4172 11 indicated indicate VBN 28553 4172 12 by by IN 28553 4172 13 the the DT 28553 4172 14 dotted dotted JJ 28553 4172 15 circle circle NN 28553 4172 16 . . . 28553 4173 1 INDEX index NN 28553 4173 2 . . . 28553 4174 1 NOTE.--Figures note.--figure NNS 28553 4174 2 in in IN 28553 4174 3 italics italic NNS 28553 4174 4 signify signify VBP 28553 4174 5 that that IN 28553 4174 6 an an DT 28553 4174 7 illustration illustration NN 28553 4174 8 of of IN 28553 4174 9 the the DT 28553 4174 10 thing thing NN 28553 4174 11 referred refer VBD 28553 4174 12 to to IN 28553 4174 13 appears appear VBZ 28553 4174 14 on on IN 28553 4174 15 the the DT 28553 4174 16 page page NN 28553 4174 17 . . . 28553 4175 1 Aberration aberration NN 28553 4175 2 , , , 28553 4175 3 spherical spherical JJ 28553 4175 4 , , , 28553 4175 5 of of IN 28553 4175 6 lens lens NN 28553 4175 7 , , , 28553 4175 8 243 243 CD 28553 4175 9 . . . 28553 4176 1 Acoustics Acoustics NNP 28553 4176 2 , , , 28553 4176 3 294 294 CD 28553 4176 4 . . . 28553 4177 1 Achromatic achromatic JJ 28553 4177 2 lens lens NN 28553 4177 3 , , , 28553 4177 4 243 243 CD 28553 4177 5 . . . 28553 4178 1 Action action NN 28553 4178 2 carriage carriage NN 28553 4178 3 of of IN 28553 4178 4 piano piano NN 28553 4178 5 , , , 28553 4178 6 283 283 CD 28553 4178 7 . . . 28553 4179 1 Advancing advance VBG 28553 4179 2 the the DT 28553 4179 3 spark spark NN 28553 4179 4 , , , 28553 4179 5 102 102 CD 28553 4179 6 . . . 28553 4180 1 Air air NN 28553 4180 2 - - HYPH 28553 4180 3 gun gun NN 28553 4180 4 , , , 28553 4180 5 _ _ NNP 28553 4180 6 342 342 CD 28553 4180 7 _ _ NNP 28553 4180 8 . . . 28553 4181 1 Air air NN 28553 4181 2 - - HYPH 28553 4181 3 pump pump NN 28553 4181 4 for for IN 28553 4181 5 cycle cycle NN 28553 4181 6 tyres tyre NNS 28553 4181 7 , , , 28553 4181 8 _ _ NNP 28553 4181 9 340 340 CD 28553 4181 10 _ _ NNP 28553 4181 11 ; ; : 28553 4181 12 for for IN 28553 4181 13 Westinghouse Westinghouse NNP 28553 4181 14 brake brake NN 28553 4181 15 , , , 28553 4181 16 199 199 CD 28553 4181 17 . . . 28553 4182 1 Alternating alternate VBG 28553 4182 2 currents current NNS 28553 4182 3 , , , 28553 4182 4 164 164 CD 28553 4182 5 ; ; : 28553 4182 6 dynamo dynamo NN 28553 4182 7 , , , 28553 4182 8 164 164 CD 28553 4182 9 . . . 28553 4183 1 Amperage amperage NN 28553 4183 2 , , , 28553 4183 3 125 125 CD 28553 4183 4 . . . 28553 4184 1 Angle angle NN 28553 4184 2 of of IN 28553 4184 3 advance advance NN 28553 4184 4 , , , 28553 4184 5 57 57 CD 28553 4184 6 , , , 28553 4184 7 58 58 CD 28553 4184 8 ; ; : 28553 4184 9 incidence incidence NN 28553 4184 10 , , , 28553 4184 11 268 268 CD 28553 4184 12 ; ; : 28553 4184 13 reflection reflection NN 28553 4184 14 , , , 28553 4184 15 268 268 CD 28553 4184 16 . . . 28553 4185 1 Aorta Aorta NNP 28553 4185 2 , , , 28553 4185 3 360 360 CD 28553 4185 4 . . . 28553 4186 1 Arc arc NN 28553 4186 2 lamp lamp NN 28553 4186 3 , , , 28553 4186 4 182 182 CD 28553 4186 5 . . . 28553 4187 1 Archimedes archimede NNS 28553 4187 2 , , , 28553 4187 3 412 412 CD 28553 4187 4 . . . 28553 4188 1 Armature armature NN 28553 4188 2 , , , 28553 4188 3 162 162 CD 28553 4188 4 . . . 28553 4189 1 Arteries artery NNS 28553 4189 2 , , , 28553 4189 3 358 358 CD 28553 4189 4 . . . 28553 4190 1 Arterial arterial JJ 28553 4190 2 blood blood NN 28553 4190 3 , , , 28553 4190 4 359 359 CD 28553 4190 5 . . . 28553 4191 1 Atmospheric atmospheric JJ 28553 4191 2 pressure pressure NN 28553 4191 3 , , , 28553 4191 4 350 350 CD 28553 4191 5 . . . 28553 4192 1 Auditory auditory JJ 28553 4192 2 nerve nerve NN 28553 4192 3 , , , 28553 4192 4 272 272 CD 28553 4192 5 . . . 28553 4193 1 Automatic automatic JJ 28553 4193 2 brakes brake NNS 28553 4193 3 , , , 28553 4193 4 188 188 CD 28553 4193 5 ; ; , 28553 4193 6 signalling signal VBG 28553 4193 7 , , , 28553 4193 8 228 228 CD 28553 4193 9 ; ; : 28553 4193 10 stoker stoker NN 28553 4193 11 , , , 28553 4193 12 399 399 CD 28553 4193 13 . . . 28553 4194 1 Backfall Backfall NNP 28553 4194 2 , , , 28553 4194 3 298 298 CD 28553 4194 4 . . . 28553 4195 1 Balance balance NN 28553 4195 2 - - HYPH 28553 4195 3 wheel wheel NN 28553 4195 4 , , , 28553 4195 5 419 419 CD 28553 4195 6 . . . 28553 4196 1 Ball ball NN 28553 4196 2 cock cock NN 28553 4196 3 , , , 28553 4196 4 366 366 CD 28553 4196 5 , , , 28553 4196 6 _ _ NNP 28553 4196 7 367 367 CD 28553 4196 8 _ _ NNP 28553 4196 9 . . . 28553 4197 1 Balloon balloon NN 28553 4197 2 , , , 28553 4197 3 fire fire NN 28553 4197 4 , , , 28553 4197 5 323 323 CD 28553 4197 6 ; ; : 28553 4197 7 gas gas NN 28553 4197 8 , , , 28553 4197 9 347 347 CD 28553 4197 10 . . . 28553 4198 1 Barometer Barometer NNP 28553 4198 2 , , , 28553 4198 3 aneroid aneroid NNP 28553 4198 4 , , , 28553 4198 5 328 328 CD 28553 4198 6 , , , 28553 4198 7 _ _ NNP 28553 4198 8 329 329 CD 28553 4198 9 _ _ NNP 28553 4198 10 ; ; : 28553 4198 11 and and CC 28553 4198 12 weather weather NN 28553 4198 13 , , , 28553 4198 14 331 331 CD 28553 4198 15 ; ; : 28553 4198 16 Fortin Fortin NNP 28553 4198 17 's 's POS 28553 4198 18 , , , 28553 4198 19 _ _ NNP 28553 4198 20 326 326 CD 28553 4198 21 _ _ NNP 28553 4198 22 ; ; : 28553 4198 23 meaning meaning NN 28553 4198 24 of of IN 28553 4198 25 , , , 28553 4198 26 325 325 CD 28553 4198 27 ; ; : 28553 4198 28 simple simple JJ 28553 4198 29 , , , 28553 4198 30 _ _ NNP 28553 4198 31 328 328 CD 28553 4198 32 _ _ NNP 28553 4198 33 ; ; : 28553 4198 34 wheel wheel NN 28553 4198 35 , , , 28553 4198 36 _ _ NNP 28553 4198 37 327 327 CD 28553 4198 38 _ _ NNP 28553 4198 39 . . . 28553 4199 1 Beau Beau NNP 28553 4199 2 de de FW 28553 4199 3 Rochas Rochas NNP 28553 4199 4 , , , 28553 4199 5 89 89 CD 28553 4199 6 . . . 28553 4200 1 Bell Bell NNP 28553 4200 2 , , , 28553 4200 3 diving diving NN 28553 4200 4 , , , 28553 4200 5 _ _ NNP 28553 4200 6 332 332 CD 28553 4200 7 _ _ NNP 28553 4200 8 ; ; : 28553 4200 9 electric electric JJ 28553 4200 10 , , , 28553 4200 11 119 119 CD 28553 4200 12 , , , 28553 4200 13 _ _ NNP 28553 4200 14 120 120 CD 28553 4200 15 _ _ NNP 28553 4200 16 . . . 28553 4201 1 Bellows bellow NNS 28553 4201 2 of of IN 28553 4201 3 organ organ NN 28553 4201 4 , , , 28553 4201 5 303 303 CD 28553 4201 6 . . . 28553 4202 1 Bioscope Bioscope NNP 28553 4202 2 , , , 28553 4202 3 266 266 CD 28553 4202 4 . . . 28553 4203 1 Blades blade NNS 28553 4203 2 , , , 28553 4203 3 turbine turbine NN 28553 4203 4 , , , 28553 4203 5 _ _ NNP 28553 4203 6 81 81 CD 28553 4203 7 _ _ NNP 28553 4203 8 , , , 28553 4203 9 83 83 CD 28553 4203 10 . . . 28553 4204 1 Block block NN 28553 4204 2 system system NN 28553 4204 3 , , , 28553 4204 4 201 201 CD 28553 4204 5 , , , 28553 4204 6 212 212 CD 28553 4204 7 . . . 28553 4205 1 Blood blood NN 28553 4205 2 , , , 28553 4205 3 arterial arterial NN 28553 4205 4 , , , 28553 4205 5 359 359 CD 28553 4205 6 ; ; : 28553 4205 7 circulation circulation NN 28553 4205 8 of of IN 28553 4205 9 , , , 28553 4205 10 _ _ NNP 28553 4205 11 356 356 CD 28553 4205 12 _ _ NNP 28553 4205 13 , , , 28553 4205 14 _ _ NNP 28553 4205 15 357 357 CD 28553 4205 16 _ _ NNP 28553 4205 17 , , , 28553 4205 18 360 360 CD 28553 4205 19 ; ; : 28553 4205 20 venous venous JJ 28553 4205 21 , , , 28553 4205 22 359 359 CD 28553 4205 23 . . . 28553 4206 1 Blower blower NN 28553 4206 2 - - HYPH 28553 4206 3 plate plate NN 28553 4206 4 , , , 28553 4206 5 393 393 CD 28553 4206 6 , , , 28553 4206 7 _ _ NNP 28553 4206 8 394 394 CD 28553 4206 9 _ _ NNP 28553 4206 10 . . . 28553 4207 1 Boat boat NN 28553 4207 2 , , , 28553 4207 3 sails sail NNS 28553 4207 4 of of IN 28553 4207 5 , , , 28553 4207 6 346 346 CD 28553 4207 7 . . . 28553 4208 1 Boiler Boiler NNP 28553 4208 2 , , , 28553 4208 3 Babcock Babcock NNP 28553 4208 4 and and CC 28553 4208 5 Wilcox Wilcox NNP 28553 4208 6 , , , 28553 4208 7 _ _ NNP 28553 4208 8 21 21 CD 28553 4208 9 _ _ NNP 28553 4208 10 , , , 28553 4208 11 22 22 CD 28553 4208 12 ; ; : 28553 4208 13 explosions explosion NNS 28553 4208 14 , , , 28553 4208 15 34 34 CD 28553 4208 16 , , , 28553 4208 17 391 391 CD 28553 4208 18 ; ; : 28553 4208 19 fire fire NN 28553 4208 20 - - HYPH 28553 4208 21 tube tube NN 28553 4208 22 , , , 28553 4208 23 21 21 CD 28553 4208 24 ; ; : 28553 4208 25 fittings fitting NNS 28553 4208 26 , , , 28553 4208 27 31 31 CD 28553 4208 28 ; ; : 28553 4208 29 Lancashire Lancashire NNP 28553 4208 30 , , , 28553 4208 31 25 25 CD 28553 4208 32 , , , 28553 4208 33 _ _ NNP 28553 4208 34 26 26 CD 28553 4208 35 _ _ NNP 28553 4208 36 ; ; : 28553 4208 37 locomotive locomotive JJ 28553 4208 38 , , , 28553 4208 39 _ _ NNP 28553 4208 40 20 20 CD 28553 4208 41 _ _ NNP 28553 4208 42 , , , 28553 4208 43 23 23 CD 28553 4208 44 ; ; : 28553 4208 45 multitubular multitubular JJ 28553 4208 46 , , , 28553 4208 47 21 21 CD 28553 4208 48 ; ; : 28553 4208 49 principle principle NN 28553 4208 50 of of IN 28553 4208 51 , , , 28553 4208 52 15 15 CD 28553 4208 53 ; ; : 28553 4208 54 stored stored JJ 28553 4208 55 energy energy NN 28553 4208 56 in in IN 28553 4208 57 , , , 28553 4208 58 32 32 CD 28553 4208 59 ; ; : 28553 4208 60 vertical vertical JJ 28553 4208 61 , , , 28553 4208 62 _ _ NNP 28553 4208 63 25 25 CD 28553 4208 64 _ _ NNP 28553 4208 65 ; ; : 28553 4208 66 water water NN 28553 4208 67 supply supply NN 28553 4208 68 to to IN 28553 4208 69 , , , 28553 4208 70 39 39 CD 28553 4208 71 ; ; : 28553 4208 72 water water NN 28553 4208 73 - - HYPH 28553 4208 74 tube tube NN 28553 4208 75 , , , 28553 4208 76 21 21 CD 28553 4208 77 . . . 28553 4209 1 Brakes brake NNS 28553 4209 2 , , , 28553 4209 3 hydraulic hydraulic NNP 28553 4209 4 , , , 28553 4209 5 188 188 CD 28553 4209 6 ; ; : 28553 4209 7 motor motor NN 28553 4209 8 car car NN 28553 4209 9 , , , 28553 4209 10 110 110 CD 28553 4209 11 ; ; : 28553 4209 12 railway railway NN 28553 4209 13 , , , 28553 4209 14 187 187 CD 28553 4209 15 ; ; : 28553 4209 16 vacuum vacuum NN 28553 4209 17 , , , 28553 4209 18 189 189 CD 28553 4209 19 , , , 28553 4209 20 _ _ NNP 28553 4209 21 190 190 CD 28553 4209 22 _ _ NNP 28553 4209 23 , , , 28553 4209 24 _ _ NNP 28553 4209 25 191 191 CD 28553 4209 26 _ _ NNP 28553 4209 27 ; ; : 28553 4209 28 Westinghouse Westinghouse NNP 28553 4209 29 , , , 28553 4209 30 194 194 CD 28553 4209 31 , , , 28553 4209 32 _ _ NNP 28553 4209 33 195 195 CD 28553 4209 34 _ _ NNP 28553 4209 35 , , , 28553 4209 36 _ _ NNP 28553 4209 37 197 197 CD 28553 4209 38 _ _ NNP 28553 4209 39 . . . 28553 4210 1 Bramah Bramah NNP 28553 4210 2 , , , 28553 4210 3 363 363 CD 28553 4210 4 , , , 28553 4210 5 437 437 CD 28553 4210 6 . . . 28553 4211 1 Breezes breeze NNS 28553 4211 2 , , , 28553 4211 3 land land NN 28553 4211 4 and and CC 28553 4211 5 sea sea NN 28553 4211 6 , , , 28553 4211 7 324 324 CD 28553 4211 8 . . . 28553 4212 1 Brushes brush NNS 28553 4212 2 of of IN 28553 4212 3 dynamo dynamo NN 28553 4212 4 , , , 28553 4212 5 161 161 CD 28553 4212 6 , , , 28553 4212 7 _ _ NNP 28553 4212 8 172 172 CD 28553 4212 9 _ _ NNP 28553 4212 10 . . . 28553 4213 1 Bunsen Bunsen NNP 28553 4213 2 burner burner NN 28553 4213 3 , , , 28553 4213 4 409 409 CD 28553 4213 5 . . . 28553 4214 1 Burning burn VBG 28553 4214 2 - - HYPH 28553 4214 3 glass glass NN 28553 4214 4 , , , 28553 4214 5 232 232 CD 28553 4214 6 . . . 28553 4215 1 Camera camera NN 28553 4215 2 , , , 28553 4215 3 the the DT 28553 4215 4 , , , 28553 4215 5 233 233 CD 28553 4215 6 ; ; : 28553 4215 7 pinhole pinhole NN 28553 4215 8 , , , 28553 4215 9 _ _ NNP 28553 4215 10 234 234 CD 28553 4215 11 _ _ NNP 28553 4215 12 , , , 28553 4215 13 _ _ NNP 28553 4215 14 235 235 CD 28553 4215 15 _ _ NNP 28553 4215 16 . . . 28553 4216 1 Canals canal NNS 28553 4216 2 , , , 28553 4216 3 semicircular semicircular JJ 28553 4216 4 , , , 28553 4216 5 273 273 CD 28553 4216 6 . . . 28553 4217 1 Capillary capillary JJ 28553 4217 2 attraction attraction NN 28553 4217 3 , , , 28553 4217 4 392 392 CD 28553 4217 5 ; ; : 28553 4217 6 veins vein NNS 28553 4217 7 , , , 28553 4217 8 358 358 CD 28553 4217 9 . . . 28553 4218 1 Carbon carbon NN 28553 4218 2 dioxide dioxide NN 28553 4218 3 , , , 28553 4218 4 27 27 CD 28553 4218 5 , , , 28553 4218 6 359 359 CD 28553 4218 7 ; ; : 28553 4218 8 monoxide monoxide NN 28553 4218 9 , , , 28553 4218 10 27 27 CD 28553 4218 11 . . . 28553 4219 1 Carburetter Carburetter NNP 28553 4219 2 , , , 28553 4219 3 98 98 CD 28553 4219 4 , , , 28553 4219 5 _ _ NNP 28553 4219 6 99 99 CD 28553 4219 7 _ _ NNP 28553 4219 8 . . . 28553 4220 1 Cardan Cardan NNP 28553 4220 2 shaft shaft NN 28553 4220 3 , , , 28553 4220 4 93 93 CD 28553 4220 5 . . . 28553 4221 1 _ _ NNP 28553 4221 2 Carmania Carmania NNP 28553 4221 3 _ _ NNP 28553 4221 4 , , , 28553 4221 5 the the DT 28553 4221 6 , , , 28553 4221 7 83 83 CD 28553 4221 8 . . . 28553 4222 1 Centrifugal centrifugal JJ 28553 4222 2 force force NN 28553 4222 3 , , , 28553 4222 4 382 382 CD 28553 4222 5 . . . 28553 4223 1 Change change NN 28553 4223 2 - - HYPH 28553 4223 3 speed speed NN 28553 4223 4 gear gear NN 28553 4223 5 , , , 28553 4223 6 105 105 CD 28553 4223 7 , , , 28553 4223 8 442 442 CD 28553 4223 9 . . . 28553 4224 1 Chassis Chassis NNP 28553 4224 2 of of IN 28553 4224 3 motor motor NN 28553 4224 4 car car NN 28553 4224 5 , , , 28553 4224 6 92 92 CD 28553 4224 7 . . . 28553 4225 1 Circulation circulation NN 28553 4225 2 of of IN 28553 4225 3 water water NN 28553 4225 4 in in IN 28553 4225 5 a a DT 28553 4225 6 boiler boiler NN 28553 4225 7 , , , 28553 4225 8 _ _ NNP 28553 4225 9 17 17 CD 28553 4225 10 _ _ NNP 28553 4225 11 , , , 28553 4225 12 _ _ NNP 28553 4225 13 18 18 CD 28553 4225 14 _ _ NNP 28553 4225 15 , , , 28553 4225 16 _ _ NNP 28553 4225 17 19 19 CD 28553 4225 18 _ _ NNP 28553 4225 19 ; ; , 28553 4225 20 of of IN 28553 4225 21 water water NN 28553 4225 22 in in IN 28553 4225 23 a a DT 28553 4225 24 motor motor NN 28553 4225 25 car car NN 28553 4225 26 , , , 28553 4225 27 95 95 CD 28553 4225 28 , , , 28553 4225 29 _ _ NNP 28553 4225 30 97 97 CD 28553 4225 31 _ _ NNP 28553 4225 32 . . . 28553 4226 1 Clarionet Clarionet NNP 28553 4226 2 , , , 28553 4226 3 308 308 CD 28553 4226 4 . . . 28553 4227 1 Clock clock NN 28553 4227 2 , , , 28553 4227 3 first first JJ 28553 4227 4 weight weight NN 28553 4227 5 - - HYPH 28553 4227 6 driven drive VBN 28553 4227 7 , , , 28553 4227 8 412 412 CD 28553 4227 9 ; ; : 28553 4227 10 water water NN 28553 4227 11 , , , 28553 4227 12 410 410 CD 28553 4227 13 . . . 28553 4228 1 Clutch Clutch NNP 28553 4228 2 of of IN 28553 4228 3 motor motor NN 28553 4228 4 car car NN 28553 4228 5 , , , 28553 4228 6 105 105 CD 28553 4228 7 . . . 28553 4229 1 Coal coal NN 28553 4229 2 , , , 28553 4229 3 as as IN 28553 4229 4 fuel fuel NN 28553 4229 5 , , , 28553 4229 6 15 15 CD 28553 4229 7 ; ; : 28553 4229 8 gas gas NN 28553 4229 9 , , , 28553 4229 10 394 394 CD 28553 4229 11 ; ; : 28553 4229 12 gas gas NN 28553 4229 13 making making NN 28553 4229 14 , , , 28553 4229 15 394 394 CD 28553 4229 16 ; ; : 28553 4229 17 gas gas NN 28553 4229 18 plant plant NN 28553 4229 19 , , , 28553 4229 20 _ _ NNP 28553 4229 21 396 396 CD 28553 4229 22 _ _ NNP 28553 4229 23 ; ; : 28553 4229 24 gas gas NN 28553 4229 25 , , , 28553 4229 26 purification purification NN 28553 4229 27 of of IN 28553 4229 28 , , , 28553 4229 29 397 397 CD 28553 4229 30 . . . 28553 4230 1 Cochlea Cochlea NNP 28553 4230 2 , , , 28553 4230 3 273 273 CD 28553 4230 4 . . . 28553 4231 1 Coherer Coherer NNP 28553 4231 2 , , , 28553 4231 3 140 140 CD 28553 4231 4 . . . 28553 4232 1 Coil Coil NNP 28553 4232 2 , , , 28553 4232 3 Ruhmkorff Ruhmkorff NNP 28553 4232 4 , , , 28553 4232 5 121 121 CD 28553 4232 6 . . . 28553 4233 1 Coke Coke NNP 28553 4233 2 , , , 28553 4233 3 395 395 CD 28553 4233 4 . . . 28553 4234 1 Combinations combination NNS 28553 4234 2 in in IN 28553 4234 3 Chubb Chubb NNP 28553 4234 4 lock lock NN 28553 4234 5 , , , 28553 4234 6 436 436 CD 28553 4234 7 ; ; : 28553 4234 8 Yale Yale NNP 28553 4234 9 lock lock NN 28553 4234 10 , , , 28553 4234 11 436 436 CD 28553 4234 12 . . . 28553 4235 1 Combustion combustion NN 28553 4235 2 , , , 28553 4235 3 26 26 CD 28553 4235 4 , , , 28553 4235 5 393 393 CD 28553 4235 6 ; ; : 28553 4235 7 perfect perfect JJ 28553 4235 8 , , , 28553 4235 9 28 28 CD 28553 4235 10 . . . 28553 4236 1 Compensating compensate VBG 28553 4236 2 gear gear NN 28553 4236 3 , , , 28553 4236 4 107 107 CD 28553 4236 5 , , , 28553 4236 6 _ _ NNP 28553 4236 7 108 108 CD 28553 4236 8 _ _ NNP 28553 4236 9 . . . 28553 4237 1 Compound compound NN 28553 4237 2 engines engine NNS 28553 4237 3 , , , 28553 4237 4 59 59 CD 28553 4237 5 ; ; : 28553 4237 6 arrangement arrangement NN 28553 4237 7 of of IN 28553 4237 8 , , , 28553 4237 9 61 61 CD 28553 4237 10 ; ; : 28553 4237 11 invention invention NN 28553 4237 12 of of IN 28553 4237 13 , , , 28553 4237 14 59 59 CD 28553 4237 15 . . . 28553 4238 1 Compound compound JJ 28553 4238 2 locomotives locomotive NNS 28553 4238 3 , , , 28553 4238 4 62 62 CD 28553 4238 5 . . . 28553 4239 1 Compound compound NN 28553 4239 2 microscope microscope NN 28553 4239 3 , , , 28553 4239 4 261 261 CD 28553 4239 5 . . . 28553 4240 1 Condenser Condenser NNP 28553 4240 2 , , , 28553 4240 3 marine marine NN 28553 4240 4 , , , 28553 4240 5 71 71 CD 28553 4240 6 , , , 28553 4240 7 _ _ NNP 28553 4240 8 72 72 CD 28553 4240 9 _ _ NNP 28553 4240 10 ; ; : 28553 4240 11 of of IN 28553 4240 12 Ruhmkorff Ruhmkorff NNP 28553 4240 13 coil coil NN 28553 4240 14 , , , 28553 4240 15 123 123 CD 28553 4240 16 . . . 28553 4241 1 Conduit conduit NN 28553 4241 2 , , , 28553 4241 3 176 176 CD 28553 4241 4 . . . 28553 4242 1 Convex Convex NNP 28553 4242 2 lens lens NN 28553 4242 3 , , , 28553 4242 4 image image NN 28553 4242 5 cast cast VBN 28553 4242 6 by by RB 28553 4242 7 , , , 28553 4242 8 _ _ NNP 28553 4242 9 236 236 CD 28553 4242 10 _ _ NNP 28553 4242 11 . . . 28553 4243 1 Conjugate Conjugate NNP 28553 4243 2 foci foci NN 28553 4243 3 , , , 28553 4243 4 262 262 CD 28553 4243 5 . . . 28553 4244 1 Cornet Cornet NNP 28553 4244 2 , , , 28553 4244 3 308 308 CD 28553 4244 4 . . . 28553 4245 1 Corti Corti NNP 28553 4245 2 , , , 28553 4245 3 rods rod NNS 28553 4245 4 of of IN 28553 4245 5 , , , 28553 4245 6 274 274 CD 28553 4245 7 . . . 28553 4246 1 Coxwell Coxwell NNP 28553 4246 2 , , , 28553 4246 3 348 348 CD 28553 4246 4 . . . 28553 4247 1 Cream cream NN 28553 4247 2 separator separator NN 28553 4247 3 , , , 28553 4247 4 381 381 CD 28553 4247 5 , , , 28553 4247 6 _ _ NNP 28553 4247 7 383 383 CD 28553 4247 8 _ _ NNP 28553 4247 9 . . . 28553 4248 1 Current current JJ 28553 4248 2 , , , 28553 4248 3 reversal reversal NN 28553 4248 4 of of IN 28553 4248 5 electric electric NNP 28553 4248 6 , , , 28553 4248 7 _ _ NNP 28553 4248 8 130 130 CD 28553 4248 9 _ _ NNP 28553 4248 10 , , , 28553 4248 11 131 131 CD 28553 4248 12 ; ; : 28553 4248 13 transformation transformation NN 28553 4248 14 of of IN 28553 4248 15 , , , 28553 4248 16 124 124 CD 28553 4248 17 . . . 28553 4249 1 Cushioning cushion VBG 28553 4249 2 of of IN 28553 4249 3 steam steam NN 28553 4249 4 , , , 28553 4249 5 55 55 CD 28553 4249 6 . . . 28553 4250 1 Cycle cycle NN 28553 4250 2 , , , 28553 4250 3 gearing gear VBG 28553 4250 4 of of IN 28553 4250 5 , , , 28553 4250 6 439 439 CD 28553 4250 7 . . . 28553 4251 1 Cylinder Cylinder NNP 28553 4251 2 , , , 28553 4251 3 hydraulic hydraulic JJ 28553 4251 4 press press NN 28553 4251 5 , , , 28553 4251 6 _ _ NNP 28553 4251 7 363 363 CD 28553 4251 8 _ _ NNP 28553 4251 9 ; ; : 28553 4251 10 steam steam NN 28553 4251 11 , , , 28553 4251 12 _ _ NNP 28553 4251 13 49 49 CD 28553 4251 14 _ _ NNP 28553 4251 15 . . . 28553 4252 1 Danes dane NNS 28553 4252 2 , , , 28553 4252 3 382 382 CD 28553 4252 4 . . . 28553 4253 1 Dead dead JJ 28553 4253 2 point point NN 28553 4253 3 , , , 28553 4253 4 47 47 CD 28553 4253 5 . . . 28553 4254 1 De De NNP 28553 4254 2 Brouwer Brouwer NNP 28553 4254 3 stoker stoker NN 28553 4254 4 , , , 28553 4254 5 401 401 CD 28553 4254 6 . . . 28553 4255 1 Detector Detector NNP 28553 4255 2 in in IN 28553 4255 3 Chubb Chubb NNP 28553 4255 4 lock lock NN 28553 4255 5 , , , 28553 4255 6 435 435 CD 28553 4255 7 . . . 28553 4256 1 Diving Diving NNP 28553 4256 2 - - HYPH 28553 4256 3 bell bell NNP 28553 4256 4 , , , 28553 4256 5 _ _ NNP 28553 4256 6 332 332 CD 28553 4256 7 _ _ NNP 28553 4256 8 ; ; : 28553 4256 9 simple simple JJ 28553 4256 10 , , , 28553 4256 11 _ _ NNP 28553 4256 12 333 333 CD 28553 4256 13 _ _ NNP 28553 4256 14 , , , 28553 4256 15 _ _ NNP 28553 4256 16 334 334 CD 28553 4256 17 _ _ NNP 28553 4256 18 . . . 28553 4257 1 Diving diving NN 28553 4257 2 - - HYPH 28553 4257 3 dress dress NN 28553 4257 4 , , , 28553 4257 5 335 335 CD 28553 4257 6 . . . 28553 4258 1 Direction direction NN 28553 4258 2 of of IN 28553 4258 3 current current NN 28553 4258 4 in in IN 28553 4258 5 dynamo dynamo NN 28553 4258 6 circuit circuit NNP 28553 4258 7 , , , 28553 4258 8 163 163 CD 28553 4258 9 . . . 28553 4259 1 Diver Diver NNP 28553 4259 2 's 's POS 28553 4259 3 feats feat NNS 28553 4259 4 , , , 28553 4259 5 338 338 CD 28553 4259 6 ; ; : 28553 4259 7 helmet helmet NN 28553 4259 8 , , , 28553 4259 9 _ _ NNP 28553 4259 10 336 336 CD 28553 4259 11 _ _ NNP 28553 4259 12 ; ; : 28553 4259 13 lamp lamp NN 28553 4259 14 , , , 28553 4259 15 _ _ NNP 28553 4259 16 338 338 CD 28553 4259 17 _ _ NNP 28553 4259 18 . . . 28553 4260 1 Donkey donkey NN 28553 4260 2 - - HYPH 28553 4260 3 engines engine NNS 28553 4260 4 , , , 28553 4260 5 68 68 CD 28553 4260 6 . . . 28553 4261 1 Doorstop doorstop JJ 28553 4261 2 , , , 28553 4261 3 self self NN 28553 4261 4 - - HYPH 28553 4261 5 closing closing NN 28553 4261 6 , , , 28553 4261 7 344 344 CD 28553 4261 8 . . . 28553 4262 1 Double double JJ 28553 4262 2 - - HYPH 28553 4262 3 cylinder cylinder NN 28553 4262 4 engines engine NNS 28553 4262 5 , , , 28553 4262 6 47 47 CD 28553 4262 7 . . . 28553 4263 1 Draught Draught NNP 28553 4263 2 , , , 28553 4263 3 forced force VBN 28553 4263 4 , , , 28553 4263 5 28 28 CD 28553 4263 6 , , , 28553 4263 7 _ _ NNP 28553 4263 8 29 29 CD 28553 4263 9 _ _ NNP 28553 4263 10 ; ; : 28553 4263 11 induced induce VBN 28553 4263 12 , , , 28553 4263 13 29 29 CD 28553 4263 14 . . . 28553 4264 1 Drum Drum NNP 28553 4264 2 and and CC 28553 4264 3 fusee fusee NNP 28553 4264 4 , , , 28553 4264 5 _ _ NNP 28553 4264 6 414 414 CD 28553 4264 7 _ _ NNP 28553 4264 8 . . . 28553 4265 1 Durability durability NN 28553 4265 2 of of IN 28553 4265 3 motor motor NN 28553 4265 4 - - HYPH 28553 4265 5 car car NN 28553 4265 6 engine engine NN 28553 4265 7 , , , 28553 4265 8 96 96 CD 28553 4265 9 . . . 28553 4266 1 D D NNP 28553 4266 2 - - HYPH 28553 4266 3 valve valve NN 28553 4266 4 , , , 28553 4266 5 67 67 CD 28553 4266 6 . . . 28553 4267 1 Dynamo Dynamo NNP 28553 4267 2 , , , 28553 4267 3 alternating alternating NN 28553 4267 4 , , , 28553 4267 5 164 164 CD 28553 4267 6 , , , 28553 4267 7 174 174 CD 28553 4267 8 ; ; : 28553 4267 9 brushes brush NNS 28553 4267 10 , , , 28553 4267 11 _ _ NNP 28553 4267 12 172 172 CD 28553 4267 13 _ _ NNP 28553 4267 14 ; ; : 28553 4267 15 compound compound NNP 28553 4267 16 , , , 28553 4267 17 174 174 CD 28553 4267 18 ; ; : 28553 4267 19 continuous continuous JJ 28553 4267 20 - - HYPH 28553 4267 21 current current JJ 28553 4267 22 , , , 28553 4267 23 165 165 CD 28553 4267 24 ; ; : 28553 4267 25 multipolar multipolar JJ 28553 4267 26 , , , 28553 4267 27 169 169 CD 28553 4267 28 ; ; : 28553 4267 29 series series NN 28553 4267 30 wound wound NN 28553 4267 31 , , , 28553 4267 32 _ _ NNP 28553 4267 33 173 173 CD 28553 4267 34 _ _ NNP 28553 4267 35 ; ; : 28553 4267 36 shunt shunt NNP 28553 4267 37 wound wound NN 28553 4267 38 , , , 28553 4267 39 _ _ NNP 28553 4267 40 173 173 CD 28553 4267 41 _ _ NNP 28553 4267 42 ; ; : 28553 4267 43 simple simple JJ 28553 4267 44 , , , 28553 4267 45 161 161 CD 28553 4267 46 , , , 28553 4267 47 _ _ NNP 28553 4267 48 162 162 CD 28553 4267 49 _ _ NNP 28553 4267 50 . . . 28553 4268 1 Ear ear UH 28553 4268 2 , , , 28553 4268 3 the the DT 28553 4268 4 , , , 28553 4268 5 _ _ NNP 28553 4268 6 271 271 CD 28553 4268 7 _ _ NNP 28553 4268 8 , , , 28553 4268 9 _ _ NNP 28553 4268 10 273 273 CD 28553 4268 11 _ _ NNP 28553 4268 12 ; ; : 28553 4268 13 a a DT 28553 4268 14 good good JJ 28553 4268 15 , , , 28553 4268 16 274 274 CD 28553 4268 17 , , , 28553 4268 18 307 307 CD 28553 4268 19 ; ; : 28553 4268 20 sensitiveness sensitiveness NN 28553 4268 21 of of IN 28553 4268 22 , , , 28553 4268 23 275 275 CD 28553 4268 24 . . . 28553 4269 1 Eccentric Eccentric NNP 28553 4269 2 , , , 28553 4269 3 _ _ NNP 28553 4269 4 52 52 CD 28553 4269 5 _ _ NNP 28553 4269 6 , , , 28553 4269 7 53 53 CD 28553 4269 8 ; ; : 28553 4269 9 setting setting NN 28553 4269 10 of of IN 28553 4269 11 , , , 28553 4269 12 53 53 CD 28553 4269 13 . . . 28553 4270 1 Edison Edison NNP 28553 4270 2 , , , 28553 4270 3 Thomas Thomas NNP 28553 4270 4 , , , 28553 4270 5 310 310 CD 28553 4270 6 . . . 28553 4271 1 Edison Edison NNP 28553 4271 2 - - HYPH 28553 4271 3 Bell Bell NNP 28553 4271 4 phonograph phonograph NN 28553 4271 5 , , , 28553 4271 6 310 310 CD 28553 4271 7 . . . 28553 4272 1 Electricity electricity NN 28553 4272 2 , , , 28553 4272 3 current current NN 28553 4272 4 , , , 28553 4272 5 115 115 CD 28553 4272 6 ; ; : 28553 4272 7 forms form NNS 28553 4272 8 of of IN 28553 4272 9 , , , 28553 4272 10 113 113 CD 28553 4272 11 ; ; : 28553 4272 12 nature nature NN 28553 4272 13 of of IN 28553 4272 14 , , , 28553 4272 15 112 112 CD 28553 4272 16 ; ; : 28553 4272 17 static static JJ 28553 4272 18 , , , 28553 4272 19 114 114 CD 28553 4272 20 . . . 28553 4273 1 Electric electric JJ 28553 4273 2 bell bell NN 28553 4273 3 , , , 28553 4273 4 119 119 CD 28553 4273 5 , , , 28553 4273 6 _ _ NNP 28553 4273 7 120 120 CD 28553 4273 8 _ _ NNP 28553 4273 9 ; ; : 28553 4273 10 signalling signal VBG 28553 4273 11 , , , 28553 4273 12 225 225 CD 28553 4273 13 ; ; : 28553 4273 14 slot slot NN 28553 4273 15 , , , 28553 4273 16 226 226 CD 28553 4273 17 . . . 28553 4274 1 Electroplating electroplate VBG 28553 4274 2 , , , 28553 4274 3 185 185 CD 28553 4274 4 , , , 28553 4274 5 _ _ NNP 28553 4274 6 186 186 CD 28553 4274 7 _ _ NNP 28553 4274 8 . . . 28553 4275 1 Electro Electro NNP 28553 4275 2 - - HYPH 28553 4275 3 magnets magnet NNS 28553 4275 4 , , , 28553 4275 5 117 117 CD 28553 4275 6 . . . 28553 4276 1 Endolymph Endolymph NNP 28553 4276 2 , , , 28553 4276 3 272 272 CD 28553 4276 4 . . . 28553 4277 1 Engines engine NNS 28553 4277 2 , , , 28553 4277 3 compound compound NN 28553 4277 4 , , , 28553 4277 5 59 59 CD 28553 4277 6 ; ; : 28553 4277 7 donkey donkey NN 28553 4277 8 , , , 28553 4277 9 68 68 CD 28553 4277 10 ; ; : 28553 4277 11 double double JJ 28553 4277 12 - - HYPH 28553 4277 13 cylinder cylinder NN 28553 4277 14 , , , 28553 4277 15 47 47 CD 28553 4277 16 ; ; : 28553 4277 17 internal internal JJ 28553 4277 18 - - HYPH 28553 4277 19 combustion combustion NN 28553 4277 20 , , , 28553 4277 21 87 87 CD 28553 4277 22 , , , 28553 4277 23 95 95 CD 28553 4277 24 ; ; : 28553 4277 25 reciprocating reciprocate VBG 28553 4277 26 , , , 28553 4277 27 44 44 CD 28553 4277 28 . . . 28553 4278 1 Escapement escapement NN 28553 4278 2 of of IN 28553 4278 3 timepieces timepiece NNS 28553 4278 4 , , , 28553 4278 5 416 416 CD 28553 4278 6 ; ; : 28553 4278 7 cylinder cylinder NN 28553 4278 8 , , , 28553 4278 9 _ _ NNP 28553 4278 10 420 420 CD 28553 4278 11 _ _ NNP 28553 4278 12 ; ; : 28553 4278 13 lever lever NNP 28553 4278 14 , , , 28553 4278 15 421 421 CD 28553 4278 16 , , , 28553 4278 17 _ _ NNP 28553 4278 18 422 422 CD 28553 4278 19 _ _ NNP 28553 4278 20 . . . 28553 4279 1 Ether ether NN 28553 4279 2 , , , 28553 4279 3 270 270 CD 28553 4279 4 . . . 28553 4280 1 Eustachian eustachian JJ 28553 4280 2 tube tube NN 28553 4280 3 , , , 28553 4280 4 276 276 CD 28553 4280 5 . . . 28553 4281 1 Eye eye NN 28553 4281 2 , , , 28553 4281 3 human human NN 28553 4281 4 , , , 28553 4281 5 246 246 CD 28553 4281 6 , , , 28553 4281 7 _ _ NNP 28553 4281 8 247 247 CD 28553 4281 9 _ _ NNP 28553 4281 10 ; ; : 28553 4281 11 self self NN 28553 4281 12 - - HYPH 28553 4281 13 accommodation accommodation NN 28553 4281 14 of of IN 28553 4281 15 , , , 28553 4281 16 248 248 CD 28553 4281 17 . . . 28553 4282 1 Expansive expansive JJ 28553 4282 2 working working NN 28553 4282 3 of of IN 28553 4282 4 steam steam NN 28553 4282 5 , , , 28553 4282 6 56 56 CD 28553 4282 7 . . . 28553 4283 1 Faraday Faraday NNP 28553 4283 2 , , , 28553 4283 3 Michael Michael NNP 28553 4283 4 , , , 28553 4283 5 159 159 CD 28553 4283 6 . . . 28553 4284 1 Field field NN 28553 4284 2 , , , 28553 4284 3 magnetic magnetic JJ 28553 4284 4 , , , 28553 4284 5 159 159 CD 28553 4284 6 ; ; : 28553 4284 7 magnets magnet NNS 28553 4284 8 , , , 28553 4284 9 171 171 CD 28553 4284 10 ; ; : 28553 4284 11 ring ring NN 28553 4284 12 , , , 28553 4284 13 174 174 CD 28553 4284 14 . . . 28553 4285 1 Filters filter NNS 28553 4285 2 , , , 28553 4285 3 374 374 CD 28553 4285 4 ; ; : 28553 4285 5 Maignen Maignen NNP 28553 4285 6 , , , 28553 4285 7 _ _ NNP 28553 4285 8 373 373 CD 28553 4285 9 _ _ NNP 28553 4285 10 ; ; : 28553 4285 11 Berkefeld Berkefeld NNP 28553 4285 12 , , , 28553 4285 13 374 374 CD 28553 4285 14 . . . 28553 4286 1 Filtration filtration NN 28553 4286 2 beds bed NNS 28553 4286 3 , , , 28553 4286 4 372 372 CD 28553 4286 5 . . . 28553 4287 1 Flute flute NN 28553 4287 2 , , , 28553 4287 3 308 308 CD 28553 4287 4 . . . 28553 4288 1 Flying fly VBG 28553 4288 2 - - HYPH 28553 4288 3 machines machine NNS 28553 4288 4 , , , 28553 4288 5 348 348 CD 28553 4288 6 . . . 28553 4289 1 Fly fly NN 28553 4289 2 - - HYPH 28553 4289 3 wheel wheel NN 28553 4289 4 , , , 28553 4289 5 use use NN 28553 4289 6 of of IN 28553 4289 7 , , , 28553 4289 8 48 48 CD 28553 4289 9 . . . 28553 4290 1 Focus Focus NNP 28553 4290 2 , , , 28553 4290 3 meaning meaning NN 28553 4290 4 of of IN 28553 4290 5 , , , 28553 4290 6 237 237 CD 28553 4290 7 ; ; : 28553 4290 8 principal principal NN 28553 4290 9 , , , 28553 4290 10 238 238 CD 28553 4290 11 . . . 28553 4291 1 Foci foci NN 28553 4291 2 , , , 28553 4291 3 conjugate conjugate NN 28553 4291 4 , , , 28553 4291 5 262 262 CD 28553 4291 6 . . . 28553 4292 1 Force force NN 28553 4292 2 , , , 28553 4292 3 lines line NNS 28553 4292 4 of of IN 28553 4292 5 , , , 28553 4292 6 116 116 CD 28553 4292 7 . . . 28553 4293 1 Forces force NNS 28553 4293 2 , , , 28553 4293 3 component component NN 28553 4293 4 , , , 28553 4293 5 345 345 CD 28553 4293 6 . . . 28553 4294 1 Free free JJ 28553 4294 2 wheel wheel NN 28553 4294 3 , , , 28553 4294 4 _ _ NNP 28553 4294 5 440 440 CD 28553 4294 6 _ _ NNP 28553 4294 7 . . . 28553 4295 1 Furring fur VBG 28553 4295 2 - - HYPH 28553 4295 3 up up NN 28553 4295 4 of of IN 28553 4295 5 pipes pipe NNS 28553 4295 6 , , , 28553 4295 7 391 391 CD 28553 4295 8 . . . 28553 4296 1 Fusee Fusee NNP 28553 4296 2 , , , 28553 4296 3 drum drum NN 28553 4296 4 and and CC 28553 4296 5 , , , 28553 4296 6 414 414 CD 28553 4296 7 . . . 28553 4297 1 Galileo Galileo NNP 28553 4297 2 , , , 28553 4297 3 259 259 CD 28553 4297 4 , , , 28553 4297 5 325 325 CD 28553 4297 6 , , , 28553 4297 7 416 416 CD 28553 4297 8 . . . 28553 4298 1 Galilean Galilean NNP 28553 4298 2 telescope telescope NN 28553 4298 3 , , , 28553 4298 4 _ _ NNP 28553 4298 5 259 259 CD 28553 4298 6 _ _ NNP 28553 4298 7 . . . 28553 4299 1 Gas gas NN 28553 4299 2 , , , 28553 4299 3 coal coal NN 28553 4299 4 , , , 28553 4299 5 394 394 CD 28553 4299 6 ; ; : 28553 4299 7 governor governor NN 28553 4299 8 , , , 28553 4299 9 402 402 CD 28553 4299 10 ; ; : 28553 4299 11 meter meter NN 28553 4299 12 , , , 28553 4299 13 405 405 CD 28553 4299 14 ; ; : 28553 4299 15 traps trap NNS 28553 4299 16 , , , 28553 4299 17 374 374 CD 28553 4299 18 ; ; : 28553 4299 19 works work NNS 28553 4299 20 , , , 28553 4299 21 394 394 CD 28553 4299 22 . . . 28553 4300 1 Gasometer Gasometer NNP 28553 4300 2 , , , 28553 4300 3 397 397 CD 28553 4300 4 ; ; , 28553 4300 5 largest large JJS 28553 4300 6 , , , 28553 4300 7 _ _ NNP 28553 4300 8 398 398 CD 28553 4300 9 _ _ NNP 28553 4300 10 , , , 28553 4300 11 399 399 CD 28553 4300 12 . . . 28553 4301 1 Gauge gauge NN 28553 4301 2 , , , 28553 4301 3 steam steam NN 28553 4301 4 , , , 28553 4301 5 36 36 CD 28553 4301 6 , , , 28553 4301 7 _ _ NNP 28553 4301 8 38 38 CD 28553 4301 9 _ _ NNP 28553 4301 10 ; ; : 28553 4301 11 water water NN 28553 4301 12 , , , 28553 4301 13 35 35 CD 28553 4301 14 , , , 28553 4301 15 _ _ NNP 28553 4301 16 36 36 CD 28553 4301 17 _ _ NNP 28553 4301 18 . . . 28553 4302 1 Gear gear NN 28553 4302 2 , , , 28553 4302 3 compensating compensating NN 28553 4302 4 , , , 28553 4302 5 107 107 CD 28553 4302 6 , , , 28553 4302 7 _ _ NNP 28553 4302 8 108 108 CD 28553 4302 9 _ _ NNP 28553 4302 10 . . . 28553 4303 1 Gear gear NN 28553 4303 2 - - HYPH 28553 4303 3 box box NN 28553 4303 4 of of IN 28553 4303 5 motor motor NN 28553 4303 6 car car NNP 28553 4303 7 , , , 28553 4303 8 105 105 CD 28553 4303 9 . . . 28553 4304 1 Gearing gear VBG 28553 4304 2 of of IN 28553 4304 3 cycle cycle NN 28553 4304 4 , , , 28553 4304 5 439 439 CD 28553 4304 6 . . . 28553 4305 1 Glaisher Glaisher NNP 28553 4305 2 , , , 28553 4305 3 348 348 CD 28553 4305 4 . . . 28553 4306 1 Gland Gland NNP 28553 4306 2 , , , 28553 4306 3 50 50 CD 28553 4306 4 , , , 28553 4306 5 363 363 CD 28553 4306 6 . . . 28553 4307 1 Glass Glass NNP 28553 4307 2 , , , 28553 4307 3 flint flint NN 28553 4307 4 and and CC 28553 4307 5 crown crown NN 28553 4307 6 , , , 28553 4307 7 242 242 CD 28553 4307 8 . . . 28553 4308 1 Going go VBG 28553 4308 2 - - HYPH 28553 4308 3 barrel barrel NN 28553 4308 4 for for IN 28553 4308 5 watches watch NNS 28553 4308 6 , , , 28553 4308 7 415 415 CD 28553 4308 8 . . . 28553 4309 1 Gooch Gooch NNP 28553 4309 2 reversing reverse VBG 28553 4309 3 gear gear NN 28553 4309 4 , , , 28553 4309 5 65 65 CD 28553 4309 6 . . . 28553 4310 1 Governors governor NNS 28553 4310 2 , , , 28553 4310 3 speed speed NN 28553 4310 4 , , , 28553 4310 5 67 67 CD 28553 4310 6 ; ; : 28553 4310 7 of of IN 28553 4310 8 motor motor NN 28553 4310 9 car car NNP 28553 4310 10 , , , 28553 4310 11 103 103 CD 28553 4310 12 , , , 28553 4310 13 _ _ NNP 28553 4310 14 104 104 NNP 28553 4310 15 _ _ NNP 28553 4310 16 . . . 28553 4311 1 Graham Graham NNP 28553 4311 2 , , , 28553 4311 3 418 418 CD 28553 4311 4 . . . 28553 4312 1 Gramophone Gramophone NNP 28553 4312 2 , , , 28553 4312 3 317 317 CD 28553 4312 4 ; ; : 28553 4312 5 records record NNS 28553 4312 6 , , , 28553 4312 7 319 319 CD 28553 4312 8 , , , 28553 4312 9 321 321 CD 28553 4312 10 ; ; : 28553 4312 11 reproducer reproducer NN 28553 4312 12 , , , 28553 4312 13 _ _ NNP 28553 4312 14 318 318 CD 28553 4312 15 _ _ NNP 28553 4312 16 . . . 28553 4313 1 Hairspring Hairspring NNP 28553 4313 2 , , , 28553 4313 3 412 412 CD 28553 4313 4 . . . 28553 4314 1 Hay Hay NNP 28553 4314 2 - - HYPH 28553 4314 3 cutter cutter NN 28553 4314 4 , , , 28553 4314 5 451 451 CD 28553 4314 6 . . . 28553 4315 1 Heart heart NN 28553 4315 2 , , , 28553 4315 3 the the DT 28553 4315 4 , , , 28553 4315 5 355 355 CD 28553 4315 6 ; ; : 28553 4315 7 disease disease NN 28553 4315 8 , , , 28553 4315 9 361 361 CD 28553 4315 10 ; ; : 28553 4315 11 rate rate NN 28553 4315 12 of of IN 28553 4315 13 pulsation pulsation NN 28553 4315 14 of of IN 28553 4315 15 , , , 28553 4315 16 361 361 CD 28553 4315 17 ; ; : 28553 4315 18 size size NN 28553 4315 19 of of IN 28553 4315 20 , , , 28553 4315 21 357 357 CD 28553 4315 22 . . . 28553 4316 1 Heat heat NN 28553 4316 2 of of IN 28553 4316 3 sun sun NN 28553 4316 4 , , , 28553 4316 5 451 451 CD 28553 4316 6 . . . 28553 4317 1 Hele Hele NNP 28553 4317 2 , , , 28553 4317 3 Peter Peter NNP 28553 4317 4 , , , 28553 4317 5 412 412 CD 28553 4317 6 . . . 28553 4318 1 Helmet Helmet NNP 28553 4318 2 , , , 28553 4318 3 diver diver NNP 28553 4318 4 's 's POS 28553 4318 5 , , , 28553 4318 6 _ _ NNP 28553 4318 7 336 336 NNP 28553 4318 8 _ _ NNP 28553 4318 9 . . . 28553 4319 1 Helmholtz Helmholtz NNP 28553 4319 2 , , , 28553 4319 3 274 274 CD 28553 4319 4 , , , 28553 4319 5 308 308 CD 28553 4319 6 . . . 28553 4320 1 Hero Hero NNP 28553 4320 2 of of IN 28553 4320 3 Alexandria Alexandria NNP 28553 4320 4 , , , 28553 4320 5 74 74 CD 28553 4320 6 . . . 28553 4321 1 Herschel Herschel NNP 28553 4321 2 , , , 28553 4321 3 261 261 CD 28553 4321 4 . . . 28553 4322 1 Hertz Hertz NNP 28553 4322 2 , , , 28553 4322 3 Dr. Dr. NNP 28553 4322 4 , , , 28553 4322 5 138 138 CD 28553 4322 6 . . . 28553 4323 1 Hertzian hertzian JJ 28553 4323 2 waves wave NNS 28553 4323 3 , , , 28553 4323 4 138 138 CD 28553 4323 5 . . . 28553 4324 1 Hot hot JJ 28553 4324 2 - - HYPH 28553 4324 3 water water NN 28553 4324 4 supply supply NN 28553 4324 5 , , , 28553 4324 6 386 386 CD 28553 4324 7 . . . 28553 4325 1 Hour hour NN 28553 4325 2 - - HYPH 28553 4325 3 hand hand NN 28553 4325 4 train train NN 28553 4325 5 in in IN 28553 4325 6 timepieces timepiece NNS 28553 4325 7 , , , 28553 4325 8 _ _ NNP 28553 4325 9 429 429 CD 28553 4325 10 _ _ NNP 28553 4325 11 . . . 28553 4326 1 Household household NN 28553 4326 2 water water NN 28553 4326 3 supply supply NN 28553 4326 4 , , , 28553 4326 5 364 364 CD 28553 4326 6 . . . 28553 4327 1 Hughes Hughes NNP 28553 4327 2 type type NN 28553 4327 3 - - HYPH 28553 4327 4 printer printer NN 28553 4327 5 , , , 28553 4327 6 134 134 CD 28553 4327 7 . . . 28553 4328 1 Hydraulic hydraulic JJ 28553 4328 2 press press NN 28553 4328 3 , , , 28553 4328 4 361 361 CD 28553 4328 5 , , , 28553 4328 6 _ _ NNP 28553 4328 7 362 362 CD 28553 4328 8 _ _ NNP 28553 4328 9 . . . 28553 4329 1 Hydro Hydro NNP 28553 4329 2 , , , 28553 4329 3 385 385 CD 28553 4329 4 . . . 28553 4330 1 Ignition ignition NN 28553 4330 2 of of IN 28553 4330 3 charge charge NN 28553 4330 4 in in IN 28553 4330 5 motor motor NN 28553 4330 6 - - HYPH 28553 4330 7 car car NN 28553 4330 8 cylinder cylinder NN 28553 4330 9 , , , 28553 4330 10 100 100 CD 28553 4330 11 , , , 28553 4330 12 _ _ NNP 28553 4330 13 101 101 CD 28553 4330 14 _ _ NNP 28553 4330 15 . . . 28553 4331 1 Image image NN 28553 4331 2 and and CC 28553 4331 3 object object NN 28553 4331 4 , , , 28553 4331 5 relative relative JJ 28553 4331 6 positions position NNS 28553 4331 7 of of IN 28553 4331 8 , , , 28553 4331 9 239 239 CD 28553 4331 10 ; ; : 28553 4331 11 distortion distortion NN 28553 4331 12 of of IN 28553 4331 13 , , , 28553 4331 14 245 245 CD 28553 4331 15 . . . 28553 4332 1 Incandescent incandescent JJ 28553 4332 2 gas gas NN 28553 4332 3 mantle mantle NN 28553 4332 4 , , , 28553 4332 5 407 407 CD 28553 4332 6 ; ; : 28553 4332 7 electric electric JJ 28553 4332 8 lamp lamp NN 28553 4332 9 , , , 28553 4332 10 179 179 CD 28553 4332 11 . . . 28553 4333 1 Incus Incus NNP 28553 4333 2 , , , 28553 4333 3 272 272 CD 28553 4333 4 . . . 28553 4334 1 Index index NN 28553 4334 2 mechanism mechanism NN 28553 4334 3 of of IN 28553 4334 4 water water NN 28553 4334 5 - - HYPH 28553 4334 6 meter meter NN 28553 4334 7 , , , 28553 4334 8 37 37 CD 28553 4334 9 . . . 28553 4335 1 Indicator Indicator NNP 28553 4335 2 of of IN 28553 4335 3 electric electric NNP 28553 4335 4 bell bell NN 28553 4335 5 , , , 28553 4335 6 119 119 CD 28553 4335 7 . . . 28553 4336 1 Induction induction NN 28553 4336 2 coil coil NN 28553 4336 3 , , , 28553 4336 4 121 121 CD 28553 4336 5 ; ; : 28553 4336 6 uses use NNS 28553 4336 7 of of IN 28553 4336 8 , , , 28553 4336 9 125 125 CD 28553 4336 10 . . . 28553 4337 1 Injector injector NN 28553 4337 2 , , , 28553 4337 3 39 39 CD 28553 4337 4 ; ; : 28553 4337 5 Giffard Giffard NNP 28553 4337 6 's 's POS 28553 4337 7 , , , 28553 4337 8 _ _ NNP 28553 4337 9 41 41 CD 28553 4337 10 _ _ NNP 28553 4337 11 ; ; : 28553 4337 12 principle principle NN 28553 4337 13 of of IN 28553 4337 14 , , , 28553 4337 15 40 40 CD 28553 4337 16 ; ; : 28553 4337 17 self self NN 28553 4337 18 - - HYPH 28553 4337 19 starting start VBG 28553 4337 20 , , , 28553 4337 21 42 42 CD 28553 4337 22 . . . 28553 4338 1 Interlocking interlock VBG 28553 4338 2 of of IN 28553 4338 3 signals signal NNS 28553 4338 4 , , , 28553 4338 5 204 204 CD 28553 4338 6 , , , 28553 4338 7 222 222 CD 28553 4338 8 . . . 28553 4339 1 Internal internal JJ 28553 4339 2 - - HYPH 28553 4339 3 combustion combustion NN 28553 4339 4 engine engine NN 28553 4339 5 , , , 28553 4339 6 87 87 CD 28553 4339 7 . . . 28553 4340 1 Iris Iris NNP 28553 4340 2 of of IN 28553 4340 3 eye eye NN 28553 4340 4 , , , 28553 4340 5 249 249 CD 28553 4340 6 ; ; : 28553 4340 7 stop stop VB 28553 4340 8 , , , 28553 4340 9 249 249 CD 28553 4340 10 . . . 28553 4341 1 Kelvin Kelvin NNP 28553 4341 2 , , , 28553 4341 3 Lord Lord NNP 28553 4341 4 , , , 28553 4341 5 158 158 CD 28553 4341 6 . . . 28553 4342 1 Keyless keyless JJ 28553 4342 2 winding winding NN 28553 4342 3 mechanism mechanism NN 28553 4342 4 , , , 28553 4342 5 425 425 CD 28553 4342 6 , , , 28553 4342 7 _ _ NNP 28553 4342 8 426 426 CD 28553 4342 9 _ _ NNP 28553 4342 10 , , , 28553 4342 11 428 428 CD 28553 4342 12 . . . 28553 4343 1 Kite Kite NNP 28553 4343 2 , , , 28553 4343 3 345 345 CD 28553 4343 4 . . . 28553 4344 1 Lamp Lamp NNP 28553 4344 2 , , , 28553 4344 3 arc arc NN 28553 4344 4 , , , 28553 4344 5 182 182 CD 28553 4344 6 ; ; : 28553 4344 7 how how WRB 28553 4344 8 it -PRON- PRP 28553 4344 9 works work VBZ 28553 4344 10 , , , 28553 4344 11 392 392 CD 28553 4344 12 ; ; : 28553 4344 13 incandescent incandescent NN 28553 4344 14 , , , 28553 4344 15 179 179 CD 28553 4344 16 ; ; : 28553 4344 17 manufacture manufacture NN 28553 4344 18 of of IN 28553 4344 19 incandescent incandescent NN 28553 4344 20 lamps lamp NNS 28553 4344 21 , , , 28553 4344 22 180 180 CD 28553 4344 23 . . . 28553 4345 1 Lap lap NN 28553 4345 2 of of IN 28553 4345 3 slide slide NN 28553 4345 4 - - HYPH 28553 4345 5 valve valve NN 28553 4345 6 , , , 28553 4345 7 _ _ NNP 28553 4345 8 57 57 CD 28553 4345 9 _ _ NNP 28553 4345 10 , , , 28553 4345 11 59 59 CD 28553 4345 12 . . . 28553 4346 1 Larynx Larynx NNP 28553 4346 2 , , , 28553 4346 3 306 306 CD 28553 4346 4 . . . 28553 4347 1 Laxey Laxey NNP 28553 4347 2 wheel wheel NN 28553 4347 3 , , , 28553 4347 4 _ _ NNP 28553 4347 5 380 380 CD 28553 4347 6 _ _ NNP 28553 4347 7 , , , 28553 4347 8 381 381 CD 28553 4347 9 . . . 28553 4348 1 Leads lead NNS 28553 4348 2 , , , 28553 4348 3 208 208 CD 28553 4348 4 . . . 28553 4349 1 Lenses lense NNS 28553 4349 2 , , , 28553 4349 3 231 231 CD 28553 4349 4 ; ; : 28553 4349 5 correction correction NN 28553 4349 6 of of IN 28553 4349 7 for for IN 28553 4349 8 colour colour NN 28553 4349 9 , , , 28553 4349 10 240 240 CD 28553 4349 11 , , , 28553 4349 12 _ _ NNP 28553 4349 13 241 241 CD 28553 4349 14 _ _ NNP 28553 4349 15 ; ; : 28553 4349 16 focus focus NN 28553 4349 17 of of IN 28553 4349 18 , , , 28553 4349 19 236 236 CD 28553 4349 20 ; ; : 28553 4349 21 rectilinear rectilinear NNP 28553 4349 22 , , , 28553 4349 23 _ _ NNP 28553 4349 24 245 245 CD 28553 4349 25 _ _ NNP 28553 4349 26 ; ; : 28553 4349 27 spherical spherical JJ 28553 4349 28 aberration aberration NN 28553 4349 29 in in IN 28553 4349 30 , , , 28553 4349 31 243 243 CD 28553 4349 32 . . . 28553 4350 1 Levers lever NNS 28553 4350 2 , , , 28553 4350 3 signal signal NN 28553 4350 4 , , , 28553 4350 5 colours colour NNS 28553 4350 6 of of IN 28553 4350 7 , , , 28553 4350 8 208 208 CD 28553 4350 9 . . . 28553 4351 1 Limit limit NN 28553 4351 2 of of IN 28553 4351 3 error error NN 28553 4351 4 in in IN 28553 4351 5 cylinder cylinder NN 28553 4351 6 , , , 28553 4351 7 52 52 CD 28553 4351 8 . . . 28553 4352 1 Light light NN 28553 4352 2 , , , 28553 4352 3 electric electric JJ 28553 4352 4 , , , 28553 4352 5 179 179 CD 28553 4352 6 ; ; : 28553 4352 7 nature nature NN 28553 4352 8 of of IN 28553 4352 9 , , , 28553 4352 10 230 230 CD 28553 4352 11 ; ; : 28553 4352 12 propagation propagation NN 28553 4352 13 of of IN 28553 4352 14 , , , 28553 4352 15 231 231 CD 28553 4352 16 . . . 28553 4353 1 Li Li NNP 28553 4353 2 Hung Hung NNP 28553 4353 3 Chang Chang NNP 28553 4353 4 , , , 28553 4353 5 157 157 CD 28553 4353 6 . . . 28553 4354 1 Lindsay Lindsay NNP 28553 4354 2 , , , 28553 4354 3 James James NNP 28553 4354 4 Bowman Bowman NNP 28553 4354 5 , , , 28553 4354 6 145 145 CD 28553 4354 7 . . . 28553 4355 1 Lines line NNS 28553 4355 2 of of IN 28553 4355 3 force force NN 28553 4355 4 , , , 28553 4355 5 116 116 CD 28553 4355 6 , , , 28553 4355 7 162 162 CD 28553 4355 8 . . . 28553 4356 1 " " `` 28553 4356 2 Linking link VBG 28553 4356 3 up up RP 28553 4356 4 , , , 28553 4356 5 " " '' 28553 4356 6 65 65 CD 28553 4356 7 . . . 28553 4357 1 Locks lock NNS 28553 4357 2 , , , 28553 4357 3 430 430 CD 28553 4357 4 ; ; : 28553 4357 5 Barron Barron NNP 28553 4357 6 , , , 28553 4357 7 433 433 CD 28553 4357 8 ; ; : 28553 4357 9 Bramah Bramah NNP 28553 4357 10 , , , 28553 4357 11 437 437 CD 28553 4357 12 ; ; : 28553 4357 13 Chubb Chubb NNP 28553 4357 14 , , , 28553 4357 15 433 433 CD 28553 4357 16 , , , 28553 4357 17 434 434 CD 28553 4357 18 ; ; : 28553 4357 19 Hobbs Hobbs NNP 28553 4357 20 , , , 28553 4357 21 437 437 CD 28553 4357 22 ; ; : 28553 4357 23 simplest simple JJS 28553 4357 24 , , , 28553 4357 25 _ _ NNP 28553 4357 26 431 431 CD 28553 4357 27 _ _ NNP 28553 4357 28 ; ; : 28553 4357 29 tumbler tumbler NN 28553 4357 30 , , , 28553 4357 31 _ _ NNP 28553 4357 32 432 432 CD 28553 4357 33 _ _ NNP 28553 4357 34 ; ; : 28553 4357 35 Yale Yale NNP 28553 4357 36 , , , 28553 4357 37 _ _ NNP 28553 4357 38 436 436 CD 28553 4357 39 _ _ NNP 28553 4357 40 . . . 28553 4358 1 Locking lock VBG 28553 4358 2 gear gear NN 28553 4358 3 for for IN 28553 4358 4 signals signal NNS 28553 4358 5 , , , 28553 4358 6 205 205 CD 28553 4358 7 . . . 28553 4359 1 Locomotive locomotive JJ 28553 4359 2 , , , 28553 4359 3 electric electric JJ 28553 4359 4 , , , 28553 4359 5 178 178 CD 28553 4359 6 ; ; : 28553 4359 7 advantages advantage NNS 28553 4359 8 of of IN 28553 4359 9 , , , 28553 4359 10 179 179 CD 28553 4359 11 . . . 28553 4360 1 Lungs lung NNS 28553 4360 2 , , , 28553 4360 3 359 359 CD 28553 4360 4 . . . 28553 4361 1 Magic Magic NNP 28553 4361 2 - - HYPH 28553 4361 3 lantern lantern NNP 28553 4361 4 , , , 28553 4361 5 263 263 CD 28553 4361 6 , , , 28553 4361 7 _ _ NNP 28553 4361 8 264 264 CD 28553 4361 9 _ _ NNP 28553 4361 10 . . . 28553 4362 1 Magnet Magnet NNP 28553 4362 2 , , , 28553 4362 3 115 115 CD 28553 4362 4 ; ; : 28553 4362 5 permanent permanent JJ 28553 4362 6 , , , 28553 4362 7 115 115 CD 28553 4362 8 , , , 28553 4362 9 116 116 CD 28553 4362 10 ; ; : 28553 4362 11 temporary temporary JJ 28553 4362 12 , , , 28553 4362 13 115 115 CD 28553 4362 14 . . . 28553 4363 1 Magnetism Magnetism NNP 28553 4363 2 , , , 28553 4363 3 115 115 CD 28553 4363 4 . . . 28553 4364 1 Magnetic magnetic JJ 28553 4364 2 needle needle NN 28553 4364 3 , , , 28553 4364 4 influence influence NN 28553 4364 5 of of IN 28553 4364 6 current current NN 28553 4364 7 on on IN 28553 4364 8 , , , 28553 4364 9 129 129 CD 28553 4364 10 . . . 28553 4365 1 Mainspring mainspring NN 28553 4365 2 , , , 28553 4365 3 invention invention NN 28553 4365 4 of of IN 28553 4365 5 , , , 28553 4365 6 412 412 CD 28553 4365 7 . . . 28553 4366 1 Malleus Malleus NNP 28553 4366 2 , , , 28553 4366 3 272 272 CD 28553 4366 4 . . . 28553 4367 1 Marconi Marconi NNP 28553 4367 2 , , , 28553 4367 3 140 140 CD 28553 4367 4 , , , 28553 4367 5 146 146 CD 28553 4367 6 . . . 28553 4368 1 Marine marine JJ 28553 4368 2 chronometers chronometer NNS 28553 4368 3 , , , 28553 4368 4 415 415 CD 28553 4368 5 ; ; : 28553 4368 6 delicacy delicacy NN 28553 4368 7 of of IN 28553 4368 8 , , , 28553 4368 9 425 425 CD 28553 4368 10 . . . 28553 4369 1 Marine marine JJ 28553 4369 2 speed speed NN 28553 4369 3 governor governor NN 28553 4369 4 , , , 28553 4369 5 71 71 CD 28553 4369 6 . . . 28553 4370 1 Marine marine JJ 28553 4370 2 turbine turbine NN 28553 4370 3 , , , 28553 4370 4 advantages advantage NNS 28553 4370 5 of of IN 28553 4370 6 , , , 28553 4370 7 84 84 CD 28553 4370 8 . . . 28553 4371 1 Maudslay Maudslay NNP 28553 4371 2 , , , 28553 4371 3 Henry Henry NNP 28553 4371 4 , , , 28553 4371 5 363 363 CD 28553 4371 6 . . . 28553 4372 1 Maxim Maxim NNP 28553 4372 2 , , , 28553 4372 3 Sir Sir NNP 28553 4372 4 Hiram Hiram NNP 28553 4372 5 , , , 28553 4372 6 348 348 CD 28553 4372 7 . . . 28553 4373 1 Micrometer micrometer NN 28553 4373 2 free free JJ 28553 4373 3 wheel wheel NN 28553 4373 4 , , , 28553 4373 5 441 441 CD 28553 4373 6 . . . 28553 4374 1 Micro micro JJ 28553 4374 2 - - HYPH 28553 4374 3 photography photography NNP 28553 4374 4 , , , 28553 4374 5 265 265 CD 28553 4374 6 . . . 28553 4375 1 Microscope microscope NN 28553 4375 2 , , , 28553 4375 3 254 254 CD 28553 4375 4 ; ; : 28553 4375 5 compound compound NNP 28553 4375 6 , , , 28553 4375 7 261 261 CD 28553 4375 8 , , , 28553 4375 9 _ _ NNP 28553 4375 10 263 263 CD 28553 4375 11 _ _ NNP 28553 4375 12 ; ; : 28553 4375 13 in in IN 28553 4375 14 telescope telescope NN 28553 4375 15 , , , 28553 4375 16 257 257 CD 28553 4375 17 ; ; : 28553 4375 18 simple simple JJ 28553 4375 19 , , , 28553 4375 20 _ _ NNP 28553 4375 21 254 254 CD 28553 4375 22 _ _ NNP 28553 4375 23 . . . 28553 4376 1 Mineral mineral NN 28553 4376 2 oil oil NN 28553 4376 3 , , , 28553 4376 4 392 392 CD 28553 4376 5 . . . 28553 4377 1 Mirror Mirror NNP 28553 4377 2 , , , 28553 4377 3 parabolic parabolic NN 28553 4377 4 , , , 28553 4377 5 261 261 CD 28553 4377 6 , , , 28553 4377 7 _ _ NNP 28553 4377 8 262 262 CD 28553 4377 9 _ _ NNP 28553 4377 10 ; ; : 28553 4377 11 plane plane NN 28553 4377 12 , , , 28553 4377 13 _ _ NNP 28553 4377 14 267 267 CD 28553 4377 15 _ _ NNP 28553 4377 16 . . . 28553 4378 1 Morse Morse NNP 28553 4378 2 , , , 28553 4378 3 132 132 CD 28553 4378 4 , , , 28553 4378 5 145 145 CD 28553 4378 6 ; ; : 28553 4378 7 code code NN 28553 4378 8 , , , 28553 4378 9 128 128 CD 28553 4378 10 ; ; : 28553 4378 11 inker inker NN 28553 4378 12 , , , 28553 4378 13 142 142 CD 28553 4378 14 ; ; : 28553 4378 15 sounder sounder NN 28553 4378 16 , , , 28553 4378 17 132 132 CD 28553 4378 18 . . . 28553 4379 1 Motor motor NN 28553 4379 2 car car NN 28553 4379 3 , , , 28553 4379 4 the the DT 28553 4379 5 , , , 28553 4379 6 92 92 CD 28553 4379 7 ; ; : 28553 4379 8 electric electric JJ 28553 4379 9 , , , 28553 4379 10 177 177 CD 28553 4379 11 . . . 28553 4380 1 Mouth Mouth NNP 28553 4380 2 , , , 28553 4380 3 307 307 CD 28553 4380 4 . . . 28553 4381 1 Mowing mowing NN 28553 4381 2 - - HYPH 28553 4381 3 machines machine NNS 28553 4381 4 , , , 28553 4381 5 450 450 CD 28553 4381 6 . . . 28553 4382 1 Musical musical JJ 28553 4382 2 sounds sound NNS 28553 4382 3 , , , 28553 4382 4 277 277 CD 28553 4382 5 . . . 28553 4383 1 Nerve nerve NN 28553 4383 2 , , , 28553 4383 3 auditory auditory JJ 28553 4383 4 , , , 28553 4383 5 272 272 CD 28553 4383 6 ; ; : 28553 4383 7 optic optic JJ 28553 4383 8 , , , 28553 4383 9 246 246 CD 28553 4383 10 . . . 28553 4384 1 Nodes node NNS 28553 4384 2 on on IN 28553 4384 3 a a DT 28553 4384 4 string string NN 28553 4384 5 , , , 28553 4384 6 285 285 CD 28553 4384 7 ; ; : 28553 4384 8 column column NN 28553 4384 9 of of IN 28553 4384 10 air air NN 28553 4384 11 , , , 28553 4384 12 291 291 CD 28553 4384 13 . . . 28553 4385 1 Note note VB 28553 4385 2 , , , 28553 4385 3 fundamental fundamental JJ 28553 4385 4 , , , 28553 4385 5 285 285 CD 28553 4385 6 ; ; : 28553 4385 7 quality quality NN 28553 4385 8 of of IN 28553 4385 9 , , , 28553 4385 10 285 285 CD 28553 4385 11 . . . 28553 4386 1 Niagara Niagara NNP 28553 4386 2 Falls Falls NNP 28553 4386 3 , , , 28553 4386 4 power power NN 28553 4386 5 station station NN 28553 4386 6 at at IN 28553 4386 7 , , , 28553 4386 8 174 174 CD 28553 4386 9 . . . 28553 4387 1 Organ Organ NNP 28553 4387 2 , , , 28553 4387 3 the the DT 28553 4387 4 , , , 28553 4387 5 294 294 CD 28553 4387 6 , , , 28553 4387 7 _ _ NNP 28553 4387 8 300 300 CD 28553 4387 9 _ _ NNP 28553 4387 10 ; ; : 28553 4387 11 bellows bellow NNS 28553 4387 12 , , , 28553 4387 13 303 303 CD 28553 4387 14 ; ; : 28553 4387 15 console console NN 28553 4387 16 , , , 28553 4387 17 305 305 CD 28553 4387 18 ; ; : 28553 4387 19 echo echo NN 28553 4387 20 , , , 28553 4387 21 solo solo NN 28553 4387 22 , , , 28553 4387 23 swell swell NN 28553 4387 24 , , , 28553 4387 25 great great JJ 28553 4387 26 , , , 28553 4387 27 and and CC 28553 4387 28 choir choir NN 28553 4387 29 , , , 28553 4387 30 301 301 CD 28553 4387 31 ; ; : 28553 4387 32 electric electric JJ 28553 4387 33 and and CC 28553 4387 34 pneumatic pneumatic JJ 28553 4387 35 , , , 28553 4387 36 305 305 CD 28553 4387 37 ; ; , 28553 4387 38 largest large JJS 28553 4387 39 in in IN 28553 4387 40 the the DT 28553 4387 41 world world NN 28553 4387 42 , , , 28553 4387 43 306 306 CD 28553 4387 44 ; ; : 28553 4387 45 pedals pedal NNS 28553 4387 46 , , , 28553 4387 47 298 298 CD 28553 4387 48 ; ; : 28553 4387 49 pipes pipe NNS 28553 4387 50 , , , 28553 4387 51 295 295 CD 28553 4387 52 ; ; : 28553 4387 53 pipes pipe NNS 28553 4387 54 , , , 28553 4387 55 arrangement arrangement NN 28553 4387 56 of of IN 28553 4387 57 , , , 28553 4387 58 295 295 CD 28553 4387 59 ; ; : 28553 4387 60 sound sound NN 28553 4387 61 - - HYPH 28553 4387 62 board board NN 28553 4387 63 , , , 28553 4387 64 _ _ NNP 28553 4387 65 296 296 CD 28553 4387 66 _ _ NNP 28553 4387 67 ; ; : 28553 4387 68 wind wind NN 28553 4387 69 - - HYPH 28553 4387 70 chest chest NN 28553 4387 71 , , , 28553 4387 72 297 297 CD 28553 4387 73 . . . 28553 4388 1 Otto Otto NNP 28553 4388 2 cycle cycle NN 28553 4388 3 , , , 28553 4388 4 91 91 CD 28553 4388 5 . . . 28553 4389 1 Overtones overtone NNS 28553 4389 2 , , , 28553 4389 3 285 285 CD 28553 4389 4 . . . 28553 4390 1 Pallets pallet NNS 28553 4390 2 of of IN 28553 4390 3 organ organ NN 28553 4390 4 , , , 28553 4390 5 297 297 CD 28553 4390 6 . . . 28553 4391 1 Parallel parallel JJ 28553 4391 2 arrangement arrangement NN 28553 4391 3 of of IN 28553 4391 4 electric electric JJ 28553 4391 5 lamps lamp NNS 28553 4391 6 , , , 28553 4391 7 184 184 CD 28553 4391 8 . . . 28553 4392 1 Paris Paris NNP 28553 4392 2 , , , 28553 4392 3 siege siege NN 28553 4392 4 of of IN 28553 4392 5 , , , 28553 4392 6 265 265 CD 28553 4392 7 . . . 28553 4393 1 Pedals pedal NNS 28553 4393 2 of of IN 28553 4393 3 organ organ NN 28553 4393 4 , , , 28553 4393 5 298 298 CD 28553 4393 6 . . . 28553 4394 1 Pelton Pelton NNP 28553 4394 2 wheel wheel NN 28553 4394 3 , , , 28553 4394 4 _ _ NNP 28553 4394 5 377 377 CD 28553 4394 6 _ _ NNP 28553 4394 7 . . . 28553 4395 1 Pendulum Pendulum NNP 28553 4395 2 , , , 28553 4395 3 412 412 CD 28553 4395 4 ; ; : 28553 4395 5 compensating compensating NN 28553 4395 6 , , , 28553 4395 7 418 418 CD 28553 4395 8 , , , 28553 4395 9 _ _ NNP 28553 4395 10 419 419 CD 28553 4395 11 _ _ NNP 28553 4395 12 . . . 28553 4396 1 Perilymph perilymph NN 28553 4396 2 , , , 28553 4396 3 272 272 CD 28553 4396 4 . . . 28553 4397 1 Perry Perry NNP 28553 4397 2 , , , 28553 4397 3 Professor Professor NNP 28553 4397 4 , , , 28553 4397 5 16 16 CD 28553 4397 6 . . . 28553 4398 1 Petrol Petrol NNP 28553 4398 2 , , , 28553 4398 3 98 98 CD 28553 4398 4 . . . 28553 4399 1 Phonograph Phonograph NNP 28553 4399 2 , , , 28553 4399 3 310 310 CD 28553 4399 4 ; ; : 28553 4399 5 governor governor NN 28553 4399 6 , , , 28553 4399 7 _ _ NNP 28553 4399 8 311 311 CD 28553 4399 9 _ _ NNP 28553 4399 10 ; ; : 28553 4399 11 recorder recorder NN 28553 4399 12 , , , 28553 4399 13 312 312 CD 28553 4399 14 , , , 28553 4399 15 _ _ NNP 28553 4399 16 313 313 CD 28553 4399 17 _ _ NNP 28553 4399 18 ; ; : 28553 4399 19 records record NNS 28553 4399 20 , , , 28553 4399 21 making make VBG 28553 4399 22 of of IN 28553 4399 23 , , , 28553 4399 24 319 319 CD 28553 4399 25 ; ; : 28553 4399 26 reproducer reproducer NN 28553 4399 27 , , , 28553 4399 28 315 315 CD 28553 4399 29 ; ; : 28553 4399 30 tracings tracing NNS 28553 4399 31 on on IN 28553 4399 32 record record NN 28553 4399 33 of of IN 28553 4399 34 , , , 28553 4399 35 _ _ NNP 28553 4399 36 317 317 CD 28553 4399 37 _ _ NNP 28553 4399 38 . . . 28553 4400 1 Pianoforte Pianoforte NNP 28553 4400 2 , , , 28553 4400 3 277 277 CD 28553 4400 4 ; ; : 28553 4400 5 sounding sound VBG 28553 4400 6 - - HYPH 28553 4400 7 board board NNP 28553 4400 8 , , , 28553 4400 9 280 280 CD 28553 4400 10 ; ; , 28553 4400 11 striking strike VBG 28553 4400 12 mechanism mechanism NN 28553 4400 13 , , , 28553 4400 14 281 281 CD 28553 4400 15 ; ; : 28553 4400 16 strings string NNS 28553 4400 17 , , , 28553 4400 18 281 281 CD 28553 4400 19 . . . 28553 4401 1 Piccolo Piccolo NNP 28553 4401 2 , , , 28553 4401 3 308 308 CD 28553 4401 4 . . . 28553 4402 1 Pipes pipe NNS 28553 4402 2 , , , 28553 4402 3 closed close VBD 28553 4402 4 , , , 28553 4402 5 289 289 CD 28553 4402 6 ; ; : 28553 4402 7 flue flue NN 28553 4402 8 , , , 28553 4402 9 301 301 CD 28553 4402 10 ; ; : 28553 4402 11 open open JJ 28553 4402 12 , , , 28553 4402 13 292 292 CD 28553 4402 14 ; ; : 28553 4402 15 organ organ NNP 28553 4402 16 , , , 28553 4402 17 295 295 CD 28553 4402 18 ; ; : 28553 4402 19 reed reed NNP 28553 4402 20 , , , 28553 4402 21 301 301 CD 28553 4402 22 , , , 28553 4402 23 _ _ NNP 28553 4402 24 302 302 CD 28553 4402 25 _ _ NNP 28553 4402 26 ; ; : 28553 4402 27 tuning tuning NN 28553 4402 28 , , , 28553 4402 29 302 302 CD 28553 4402 30 . . . 28553 4403 1 Piston Piston NNP 28553 4403 2 valve valve NN 28553 4403 3 , , , 28553 4403 4 67 67 CD 28553 4403 5 . . . 28553 4404 1 Pneumatic pneumatic JJ 28553 4404 2 tyres tyre NNS 28553 4404 3 , , , 28553 4404 4 341 341 CD 28553 4404 5 . . . 28553 4405 1 Poldhu poldhu NN 28553 4405 2 , , , 28553 4405 3 signalling signal VBG 28553 4405 4 station station NN 28553 4405 5 at at IN 28553 4405 6 , , , 28553 4405 7 138 138 CD 28553 4405 8 . . . 28553 4406 1 Points point NNS 28553 4406 2 , , , 28553 4406 3 railway railway NN 28553 4406 4 , , , 28553 4406 5 208 208 CD 28553 4406 6 , , , 28553 4406 7 _ _ NNP 28553 4406 8 210 210 CD 28553 4406 9 _ _ NNP 28553 4406 10 ; ; : 28553 4406 11 and and CC 28553 4406 12 signals signal NNS 28553 4406 13 in in IN 28553 4406 14 combination combination NN 28553 4406 15 , , , 28553 4406 16 211 211 CD 28553 4406 17 . . . 28553 4407 1 Poles pole NNS 28553 4407 2 of of IN 28553 4407 3 a a DT 28553 4407 4 magnet magnet NN 28553 4407 5 , , , 28553 4407 6 115 115 CD 28553 4407 7 . . . 28553 4408 1 Popoff Popoff NNP 28553 4408 2 , , , 28553 4408 3 Professor Professor NNP 28553 4408 4 A. A. NNP 28553 4408 5 , , , 28553 4408 6 138 138 CD 28553 4408 7 , , , 28553 4408 8 145 145 CD 28553 4408 9 . . . 28553 4409 1 Power power NN 28553 4409 2 , , , 28553 4409 3 transmission transmission NN 28553 4409 4 of of IN 28553 4409 5 , , , 28553 4409 6 175 175 CD 28553 4409 7 . . . 28553 4410 1 Preece Preece NNP 28553 4410 2 , , , 28553 4410 3 Sir Sir NNP 28553 4410 4 William William NNP 28553 4410 5 , , , 28553 4410 6 145 145 CD 28553 4410 7 . . . 28553 4411 1 Primary primary JJ 28553 4411 2 winding winding NN 28553 4411 3 of of IN 28553 4411 4 induction induction NN 28553 4411 5 coil coil NN 28553 4411 6 , , , 28553 4411 7 122 122 CD 28553 4411 8 . . . 28553 4412 1 Pump pump NN 28553 4412 2 , , , 28553 4412 3 air air NN 28553 4412 4 , , , 28553 4412 5 340 340 CD 28553 4412 6 ; ; : 28553 4412 7 bucket bucket NN 28553 4412 8 , , , 28553 4412 9 352 352 CD 28553 4412 10 , , , 28553 4412 11 _ _ NNP 28553 4412 12 353 353 CD 28553 4412 13 _ _ NNP 28553 4412 14 ; ; : 28553 4412 15 force force NN 28553 4412 16 , , , 28553 4412 17 354 354 CD 28553 4412 18 ; ; : 28553 4412 19 most most RBS 28553 4412 20 marvellous marvellous JJ 28553 4412 21 , , , 28553 4412 22 355 355 CD 28553 4412 23 ; ; : 28553 4412 24 Westinghouse Westinghouse NNP 28553 4412 25 air air NN 28553 4412 26 , , , 28553 4412 27 199 199 CD 28553 4412 28 . . . 28553 4413 1 Railway railway NN 28553 4413 2 brakes brake NNS 28553 4413 3 , , , 28553 4413 4 187 187 CD 28553 4413 5 ; ; : 28553 4413 6 signalling signal VBG 28553 4413 7 , , , 28553 4413 8 200 200 CD 28553 4413 9 . . . 28553 4414 1 Rays ray NNS 28553 4414 2 , , , 28553 4414 3 converging converge VBG 28553 4414 4 and and CC 28553 4414 5 diverging diverging NN 28553 4414 6 , , , 28553 4414 7 _ _ NNP 28553 4414 8 256 256 CD 28553 4414 9 _ _ NNP 28553 4414 10 ; ; : 28553 4414 11 heat heat NN 28553 4414 12 , , , 28553 4414 13 concentrated concentrate VBN 28553 4414 14 by by IN 28553 4414 15 lens lens NN 28553 4414 16 , , , 28553 4414 17 _ _ NNP 28553 4414 18 232 232 CD 28553 4414 19 _ _ NNP 28553 4414 20 ; ; : 28553 4414 21 light light NN 28553 4414 22 , , , 28553 4414 23 232 232 CD 28553 4414 24 , , , 28553 4414 25 235 235 CD 28553 4414 26 , , , 28553 4414 27 236 236 CD 28553 4414 28 , , , 28553 4414 29 237 237 CD 28553 4414 30 . . . 28553 4415 1 Records record NNS 28553 4415 2 , , , 28553 4415 3 master master NN 28553 4415 4 , , , 28553 4415 5 319 319 CD 28553 4415 6 , , , 28553 4415 7 320 320 CD 28553 4415 8 . . . 28553 4416 1 Reciprocation Reciprocation NNP 28553 4416 2 , , , 28553 4416 3 51 51 CD 28553 4416 4 . . . 28553 4417 1 Reed Reed NNP 28553 4417 2 , , , 28553 4417 3 human human NN 28553 4417 4 , , , 28553 4417 5 306 306 CD 28553 4417 6 ; ; : 28553 4417 7 pipes pipe NNS 28553 4417 8 , , , 28553 4417 9 301 301 CD 28553 4417 10 , , , 28553 4417 11 _ _ NNP 28553 4417 12 302 302 CD 28553 4417 13 _ _ NNP 28553 4417 14 . . . 28553 4418 1 Reflecting reflect VBG 28553 4418 2 telescope telescope NN 28553 4418 3 , , , 28553 4418 4 260 260 CD 28553 4418 5 . . . 28553 4419 1 Relays relay NNS 28553 4419 2 , , , 28553 4419 3 telegraphic telegraphic JJ 28553 4419 4 , , , 28553 4419 5 133 133 CD 28553 4419 6 , , , 28553 4419 7 141 141 CD 28553 4419 8 . . . 28553 4420 1 Retina Retina NNP 28553 4420 2 , , , 28553 4420 3 247 247 CD 28553 4420 4 . . . 28553 4421 1 Retorts retort NNS 28553 4421 2 , , , 28553 4421 3 395 395 CD 28553 4421 4 . . . 28553 4422 1 Reversing reversing NN 28553 4422 2 gear gear NN 28553 4422 3 , , , 28553 4422 4 62 62 CD 28553 4422 5 ; ; : 28553 4422 6 Allan Allan NNP 28553 4422 7 , , , 28553 4422 8 65 65 CD 28553 4422 9 ; ; : 28553 4422 10 Gooch Gooch NNP 28553 4422 11 , , , 28553 4422 12 65 65 CD 28553 4422 13 ; ; : 28553 4422 14 radial radial NN 28553 4422 15 , , , 28553 4422 16 66 66 CD 28553 4422 17 . . . 28553 4423 1 Rocking rock VBG 28553 4423 2 bar bar NN 28553 4423 3 mechanism mechanism NN 28553 4423 4 for for IN 28553 4423 5 watches watch NNS 28553 4423 6 , , , 28553 4423 7 425 425 CD 28553 4423 8 . . . 28553 4424 1 Rods Rods NNP 28553 4424 2 of of IN 28553 4424 3 Corti Corti NNP 28553 4424 4 , , , 28553 4424 5 274 274 CD 28553 4424 6 . . . 28553 4425 1 Ruhmkorff Ruhmkorff NNP 28553 4425 2 coil coil NN 28553 4425 3 , , , 28553 4425 4 121 121 CD 28553 4425 5 , , , 28553 4425 6 _ _ NNP 28553 4425 7 122 122 CD 28553 4425 8 _ _ NNP 28553 4425 9 . . . 28553 4426 1 Safety safety NN 28553 4426 2 - - HYPH 28553 4426 3 valve valve NN 28553 4426 4 , , , 28553 4426 5 32 32 CD 28553 4426 6 , , , 28553 4426 7 _ _ NNP 28553 4426 8 33 33 CD 28553 4426 9 _ _ NNP 28553 4426 10 , , , 28553 4426 11 391 391 CD 28553 4426 12 . . . 28553 4427 1 Sand sand NN 28553 4427 2 - - HYPH 28553 4427 3 glasses glass NNS 28553 4427 4 , , , 28553 4427 5 411 411 CD 28553 4427 6 . . . 28553 4428 1 Scissors scissor NNS 28553 4428 2 , , , 28553 4428 3 action action NN 28553 4428 4 of of IN 28553 4428 5 , , , 28553 4428 6 _ _ NNP 28553 4428 7 450 450 CD 28553 4428 8 _ _ NNP 28553 4428 9 . . . 28553 4429 1 Secondary secondary JJ 28553 4429 2 winding winding NN 28553 4429 3 of of IN 28553 4429 4 induction induction NN 28553 4429 5 coil coil NN 28553 4429 6 , , , 28553 4429 7 122 122 CD 28553 4429 8 . . . 28553 4430 1 Series Series NNP 28553 4430 2 arrangement arrangement NN 28553 4430 3 of of IN 28553 4430 4 electric electric JJ 28553 4430 5 lamps lamp NNS 28553 4430 6 , , , 28553 4430 7 183 183 CD 28553 4430 8 . . . 28553 4431 1 Series Series NNP 28553 4431 2 winding winding NN 28553 4431 3 of of IN 28553 4431 4 dynamo dynamo NN 28553 4431 5 , , , 28553 4431 6 _ _ NNP 28553 4431 7 173 173 CD 28553 4431 8 _ _ NNP 28553 4431 9 . . . 28553 4432 1 Shunt Shunt NNP 28553 4432 2 wound wound NN 28553 4432 3 dynamo dynamo NN 28553 4432 4 , , , 28553 4432 5 _ _ NNP 28553 4432 6 173 173 CD 28553 4432 7 _ _ NNP 28553 4432 8 . . . 28553 4433 1 Sight sight NN 28553 4433 2 , , , 28553 4433 3 long long JJ 28553 4433 4 and and CC 28553 4433 5 short short JJ 28553 4433 6 , , , 28553 4433 7 250 250 CD 28553 4433 8 . . . 28553 4434 1 Signalling signal VBG 28553 4434 2 , , , 28553 4434 3 automatic automatic JJ 28553 4434 4 , , , 28553 4434 5 228 228 CD 28553 4434 6 ; ; : 28553 4434 7 electric electric JJ 28553 4434 8 , , , 28553 4434 9 225 225 CD 28553 4434 10 ; ; : 28553 4434 11 pneumatic pneumatic JJ 28553 4434 12 , , , 28553 4434 13 225 225 CD 28553 4434 14 ; ; : 28553 4434 15 power power NN 28553 4434 16 , , , 28553 4434 17 225 225 CD 28553 4434 18 . . . 28553 4435 1 Signal signal JJ 28553 4435 2 levers lever NNS 28553 4435 3 , , , 28553 4435 4 _ _ NNP 28553 4435 5 206 206 CD 28553 4435 6 _ _ NNP 28553 4435 7 . . . 28553 4436 1 Signals signal NNS 28553 4436 2 , , , 28553 4436 3 interlocking interlock VBG 28553 4436 4 of of IN 28553 4436 5 , , , 28553 4436 6 204 204 CD 28553 4436 7 ; ; : 28553 4436 8 position position NN 28553 4436 9 of of IN 28553 4436 10 , , , 28553 4436 11 202 202 CD 28553 4436 12 ; ; : 28553 4436 13 railway railway NN 28553 4436 14 , , , 28553 4436 15 200 200 CD 28553 4436 16 ; ; : 28553 4436 17 single single JJ 28553 4436 18 line line NN 28553 4436 19 , , , 28553 4436 20 215 215 CD 28553 4436 21 . . . 28553 4437 1 Silencer silencer NN 28553 4437 2 on on IN 28553 4437 3 motor motor NN 28553 4437 4 cars car NNS 28553 4437 5 , , , 28553 4437 6 109 109 CD 28553 4437 7 . . . 28553 4438 1 Siphon Siphon NNP 28553 4438 2 , , , 28553 4438 3 _ _ NNP 28553 4438 4 351 351 CD 28553 4438 5 _ _ NNP 28553 4438 6 . . . 28553 4439 1 Slide slide NN 28553 4439 2 - - HYPH 28553 4439 3 valve valve NN 28553 4439 4 , , , 28553 4439 5 49 49 CD 28553 4439 6 , , , 28553 4439 7 50 50 CD 28553 4439 8 , , , 28553 4439 9 51 51 CD 28553 4439 10 ; ; : 28553 4439 11 setting setting NN 28553 4439 12 of of IN 28553 4439 13 , , , 28553 4439 14 53 53 CD 28553 4439 15 . . . 28553 4440 1 Sliders Sliders NNP 28553 4440 2 , , , 28553 4440 3 297 297 CD 28553 4440 4 . . . 28553 4441 1 Sound sound JJ 28553 4441 2 , , , 28553 4441 3 nature nature NN 28553 4441 4 of of IN 28553 4441 5 , , , 28553 4441 6 270 270 CD 28553 4441 7 ; ; : 28553 4441 8 board board NNP 28553 4441 9 of of IN 28553 4441 10 organ organ NNP 28553 4441 11 , , , 28553 4441 12 296 296 CD 28553 4441 13 ; ; : 28553 4441 14 board board NN 28553 4441 15 of of IN 28553 4441 16 piano piano NN 28553 4441 17 , , , 28553 4441 18 280 280 CD 28553 4441 19 . . . 28553 4442 1 Spagnoletti Spagnoletti NNP 28553 4442 2 disc disc NN 28553 4442 3 instrument instrument NN 28553 4442 4 , , , 28553 4442 5 212 212 CD 28553 4442 6 . . . 28553 4443 1 Sparking sparking NN 28553 4443 2 - - HYPH 28553 4443 3 plug plug NNP 28553 4443 4 , , , 28553 4443 5 _ _ NNP 28553 4443 6 102 102 CD 28553 4443 7 _ _ NNP 28553 4443 8 . . . 28553 4444 1 Spectacles spectacle NNS 28553 4444 2 , , , 28553 4444 3 use use NN 28553 4444 4 of of IN 28553 4444 5 , , , 28553 4444 6 249 249 CD 28553 4444 7 . . . 28553 4445 1 Spectrum Spectrum NNP 28553 4445 2 , , , 28553 4445 3 colours colour NNS 28553 4445 4 of of IN 28553 4445 5 , , , 28553 4445 6 230 230 CD 28553 4445 7 . . . 28553 4446 1 Speed speed NN 28553 4446 2 governors governor NNS 28553 4446 3 , , , 28553 4446 4 67 67 CD 28553 4446 5 , , , 28553 4446 6 _ _ NNP 28553 4446 7 68 68 CD 28553 4446 8 _ _ NNP 28553 4446 9 , , , 28553 4446 10 _ _ NNP 28553 4446 11 69 69 CD 28553 4446 12 _ _ NNP 28553 4446 13 ; ; : 28553 4446 14 Hartwell Hartwell NNP 28553 4446 15 , , , 28553 4446 16 70 70 CD 28553 4446 17 ; ; : 28553 4446 18 marine marine NNP 28553 4446 19 , , , 28553 4446 20 71 71 CD 28553 4446 21 . . . 28553 4447 1 Speed speed NN 28553 4447 2 of of IN 28553 4447 3 motor motor NN 28553 4447 4 cars car NNS 28553 4447 5 , , , 28553 4447 6 110 110 CD 28553 4447 7 . . . 28553 4448 1 Spot spot NN 28553 4448 2 , , , 28553 4448 3 blind blind JJ 28553 4448 4 , , , 28553 4448 5 in in IN 28553 4448 6 eye eye NN 28553 4448 7 , , , 28553 4448 8 251 251 CD 28553 4448 9 ; ; : 28553 4448 10 yellow yellow JJ 28553 4448 11 , , , 28553 4448 12 in in IN 28553 4448 13 eye eye NN 28553 4448 14 , , , 28553 4448 15 251 251 CD 28553 4448 16 . . . 28553 4449 1 Spring spring NN 28553 4449 2 balance balance NN 28553 4449 3 for for IN 28553 4449 4 watches watch NNS 28553 4449 5 , , , 28553 4449 6 419 419 CD 28553 4449 7 ; ; : 28553 4449 8 compensating compensating NN 28553 4449 9 , , , 28553 4449 10 423 423 CD 28553 4449 11 , , , 28553 4449 12 _ _ NNP 28553 4449 13 424 424 CD 28553 4449 14 _ _ NNP 28553 4449 15 . . . 28553 4450 1 Stapes stape NNS 28553 4450 2 , , , 28553 4450 3 272 272 CD 28553 4450 4 . . . 28553 4451 1 Steam steam NN 28553 4451 2 , , , 28553 4451 3 what what WP 28553 4451 4 it -PRON- PRP 28553 4451 5 is be VBZ 28553 4451 6 , , , 28553 4451 7 13 13 CD 28553 4451 8 ; ; : 28553 4451 9 energy energy NN 28553 4451 10 of of IN 28553 4451 11 , , , 28553 4451 12 14 14 CD 28553 4451 13 ; ; : 28553 4451 14 engines engine NNS 28553 4451 15 , , , 28553 4451 16 44 44 CD 28553 4451 17 ; ; : 28553 4451 18 engines engine NNS 28553 4451 19 , , , 28553 4451 20 reciprocating reciprocating NN 28553 4451 21 , , , 28553 4451 22 _ _ NNP 28553 4451 23 45 45 CD 28553 4451 24 _ _ NNP 28553 4451 25 ; ; : 28553 4451 26 expansive expansive JJ 28553 4451 27 working working NN 28553 4451 28 of of IN 28553 4451 29 , , , 28553 4451 30 59 59 CD 28553 4451 31 , , , 28553 4451 32 81 81 CD 28553 4451 33 ; ; : 28553 4451 34 gauge gauge NN 28553 4451 35 , , , 28553 4451 36 36 36 CD 28553 4451 37 ; ; : 28553 4451 38 gauge gauge NN 28553 4451 39 , , , 28553 4451 40 principle principle NN 28553 4451 41 of of IN 28553 4451 42 , , , 28553 4451 43 37 37 CD 28553 4451 44 ; ; : 28553 4451 45 turbine turbine NN 28553 4451 46 , , , 28553 4451 47 74 74 CD 28553 4451 48 ; ; : 28553 4451 49 turbine turbine NN 28553 4451 50 , , , 28553 4451 51 De De NNP 28553 4451 52 Laval Laval NNP 28553 4451 53 , , , 28553 4451 54 76 76 CD 28553 4451 55 , , , 28553 4451 56 _ _ NNP 28553 4451 57 77 77 CD 28553 4451 58 _ _ NNP 28553 4451 59 ; ; : 28553 4451 60 turbine turbine NN 28553 4451 61 , , , 28553 4451 62 Hero Hero NNP 28553 4451 63 's 's POS 28553 4451 64 , , , 28553 4451 65 74 74 CD 28553 4451 66 ; ; : 28553 4451 67 turbine turbine NN 28553 4451 68 , , , 28553 4451 69 Parsons Parsons NNP 28553 4451 70 , , , 28553 4451 71 79 79 CD 28553 4451 72 , , , 28553 4451 73 _ _ NNP 28553 4451 74 80 80 CD 28553 4451 75 _ _ NNP 28553 4451 76 ; ; : 28553 4451 77 volume volume NN 28553 4451 78 of of IN 28553 4451 79 , , , 28553 4451 80 as as IN 28553 4451 81 compared compare VBN 28553 4451 82 with with IN 28553 4451 83 water water NN 28553 4451 84 , , , 28553 4451 85 15 15 CD 28553 4451 86 . . . 28553 4452 1 Stephenson Stephenson NNP 28553 4452 2 , , , 28553 4452 3 George George NNP 28553 4452 4 , , , 28553 4452 5 63 63 CD 28553 4452 6 , , , 28553 4452 7 375 375 CD 28553 4452 8 . . . 28553 4453 1 Stop stop VB 28553 4453 2 , , , 28553 4453 3 in in IN 28553 4453 4 lens lens NN 28553 4453 5 , , , 28553 4453 6 244 244 CD 28553 4453 7 ; ; , 28553 4453 8 iris iris NNP 28553 4453 9 , , , 28553 4453 10 249 249 CD 28553 4453 11 ; ; : 28553 4453 12 use use NN 28553 4453 13 of of IN 28553 4453 14 , , , 28553 4453 15 244 244 CD 28553 4453 16 . . . 28553 4454 1 Sun Sun NNP 28553 4454 2 - - HYPH 28553 4454 3 dial dial NN 28553 4454 4 of of IN 28553 4454 5 Ahaz Ahaz NNP 28553 4454 6 , , , 28553 4454 7 410 410 CD 28553 4454 8 . . . 28553 4455 1 Syntonic syntonic JJ 28553 4455 2 transmission transmission NN 28553 4455 3 of of IN 28553 4455 4 wireless wireless JJ 28553 4455 5 messages message NNS 28553 4455 6 , , , 28553 4455 7 143 143 CD 28553 4455 8 . . . 28553 4456 1 Talking talk VBG 28553 4456 2 - - HYPH 28553 4456 3 machines machine NNS 28553 4456 4 , , , 28553 4456 5 310 310 CD 28553 4456 6 . . . 28553 4457 1 Tapper tapper VB 28553 4457 2 in in IN 28553 4457 3 wireless wireless JJ 28553 4457 4 telegraphy telegraphy NN 28553 4457 5 receiver receiver NN 28553 4457 6 , , , 28553 4457 7 141 141 CD 28553 4457 8 . . . 28553 4458 1 Tappet tappet JJ 28553 4458 2 arm arm NN 28553 4458 3 , , , 28553 4458 4 205 205 CD 28553 4458 5 . . . 28553 4459 1 Telegraph Telegraph NNP 28553 4459 2 , , , 28553 4459 3 electric electric JJ 28553 4459 4 , , , 28553 4459 5 127 127 CD 28553 4459 6 ; ; : 28553 4459 7 insulator insulator NN 28553 4459 8 , , , 28553 4459 9 _ _ NNP 28553 4459 10 133 133 CD 28553 4459 11 _ _ NNP 28553 4459 12 ; ; : 28553 4459 13 needle needle NN 28553 4459 14 , , , 28553 4459 15 _ _ NNP 28553 4459 16 128 128 CD 28553 4459 17 _ _ NNP 28553 4459 18 ; ; : 28553 4459 19 recording recording NN 28553 4459 20 , , , 28553 4459 21 133 133 CD 28553 4459 22 ; ; : 28553 4459 23 sounder sounder NN 28553 4459 24 , , , 28553 4459 25 132 132 CD 28553 4459 26 . . . 28553 4460 1 Telegraphy Telegraphy NNP 28553 4460 2 , , , 28553 4460 3 high high JJ 28553 4460 4 - - HYPH 28553 4460 5 speed speed NN 28553 4460 6 , , , 28553 4460 7 135 135 CD 28553 4460 8 ; ; : 28553 4460 9 wireless wireless NN 28553 4460 10 , , , 28553 4460 11 137 137 CD 28553 4460 12 . . . 28553 4461 1 Telephone telephone NN 28553 4461 2 , , , 28553 4461 3 147 147 CD 28553 4461 4 ; ; : 28553 4461 5 Bell Bell NNP 28553 4461 6 , , , 28553 4461 7 _ _ NNP 28553 4461 8 148 148 CD 28553 4461 9 _ _ NNP 28553 4461 10 ; ; : 28553 4461 11 circuit circuit NN 28553 4461 12 , , , 28553 4461 13 double double JJ 28553 4461 14 - - HYPH 28553 4461 15 line line NN 28553 4461 16 , , , 28553 4461 17 155 155 CD 28553 4461 18 ; ; : 28553 4461 19 circuit circuit NN 28553 4461 20 , , , 28553 4461 21 general general JJ 28553 4461 22 arrangement arrangement NN 28553 4461 23 , , , 28553 4461 24 _ _ NNP 28553 4461 25 152 152 CD 28553 4461 26 _ _ NNP 28553 4461 27 , , , 28553 4461 28 153 153 CD 28553 4461 29 ; ; : 28553 4461 30 exchange exchange NN 28553 4461 31 , , , 28553 4461 32 _ _ NNP 28553 4461 33 154 154 CD 28553 4461 34 _ _ NNP 28553 4461 35 , , , 28553 4461 36 155 155 CD 28553 4461 37 . . . 28553 4462 1 Telephony Telephony NNP 28553 4462 2 , , , 28553 4462 3 submarine submarine NN 28553 4462 4 , , , 28553 4462 5 157 157 CD 28553 4462 6 . . . 28553 4463 1 Telescope telescope NN 28553 4463 2 , , , 28553 4463 3 257 257 CD 28553 4463 4 ; ; : 28553 4463 5 Galilean Galilean NNP 28553 4463 6 , , , 28553 4463 7 _ _ NNP 28553 4463 8 259 259 CD 28553 4463 9 _ _ NNP 28553 4463 10 ; ; : 28553 4463 11 prismatic prismatic JJ 28553 4463 12 , , , 28553 4463 13 _ _ NNP 28553 4463 14 260 260 CD 28553 4463 15 _ _ NNP 28553 4463 16 ; ; : 28553 4463 17 reflecting reflect VBG 28553 4463 18 , , , 28553 4463 19 260 260 CD 28553 4463 20 ; ; : 28553 4463 21 terrestrial terrestrial JJ 28553 4463 22 , , , 28553 4463 23 _ _ NNP 28553 4463 24 259 259 CD 28553 4463 25 _ _ NNP 28553 4463 26 . . . 28553 4464 1 Threshing threshing JJ 28553 4464 2 - - HYPH 28553 4464 3 machine machine NN 28553 4464 4 , , , 28553 4464 5 447 447 CD 28553 4464 6 , , , 28553 4464 7 _ _ NNP 28553 4464 8 448 448 CD 28553 4464 9 _ _ NNP 28553 4464 10 . . . 28553 4465 1 Thurston Thurston NNP 28553 4465 2 , , , 28553 4465 3 Professor Professor NNP 28553 4465 4 , , , 28553 4465 5 31 31 CD 28553 4465 6 . . . 28553 4466 1 Tides Tides NNP 28553 4466 2 , , , 28553 4466 3 452 452 CD 28553 4466 4 ; ; : 28553 4466 5 high high JJ 28553 4466 6 , , , 28553 4466 7 453 453 CD 28553 4466 8 ; ; : 28553 4466 9 neap neap NNS 28553 4466 10 and and CC 28553 4466 11 spring spring VB 28553 4466 12 , , , 28553 4466 13 455 455 CD 28553 4466 14 . . . 28553 4467 1 Timbre Timbre NNP 28553 4467 2 , , , 28553 4467 3 285 285 CD 28553 4467 4 . . . 28553 4468 1 Tompion tompion NN 28553 4468 2 , , , 28553 4468 3 Thomas Thomas NNP 28553 4468 4 , , , 28553 4468 5 412 412 CD 28553 4468 6 . . . 28553 4469 1 Torricelli Torricelli NNP 28553 4469 2 , , , 28553 4469 3 325 325 CD 28553 4469 4 . . . 28553 4470 1 Trachea Trachea NNP 28553 4470 2 , , , 28553 4470 3 306 306 CD 28553 4470 4 . . . 28553 4471 1 Train train NN 28553 4471 2 staff staff NN 28553 4471 3 signalling signalling NN 28553 4471 4 , , , 28553 4471 5 216 216 CD 28553 4471 6 ; ; : 28553 4471 7 single single JJ 28553 4471 8 , , , 28553 4471 9 216 216 CD 28553 4471 10 ; ; : 28553 4471 11 and and CC 28553 4471 12 ticket ticket NN 28553 4471 13 , , , 28553 4471 14 217 217 CD 28553 4471 15 ; ; : 28553 4471 16 electric electric JJ 28553 4471 17 , , , 28553 4471 18 218 218 CD 28553 4471 19 . . . 28553 4472 1 Transformation transformation NN 28553 4472 2 of of IN 28553 4472 3 current current NN 28553 4472 4 , , , 28553 4472 5 124 124 CD 28553 4472 6 , , , 28553 4472 7 176 176 CD 28553 4472 8 . . . 28553 4473 1 Transmission transmission NN 28553 4473 2 of of IN 28553 4473 3 power power NN 28553 4473 4 , , , 28553 4473 5 174 174 CD 28553 4473 6 , , , 28553 4473 7 _ _ NNP 28553 4473 8 175 175 CD 28553 4473 9 _ _ NNP 28553 4473 10 . . . 28553 4474 1 Transmitter Transmitter NNP 28553 4474 2 , , , 28553 4474 3 Edison Edison NNP 28553 4474 4 telephone telephone NN 28553 4474 5 , , , 28553 4474 6 150 150 CD 28553 4474 7 ; ; : 28553 4474 8 granular granular JJ 28553 4474 9 carbon carbon NN 28553 4474 10 , , , 28553 4474 11 150 150 CD 28553 4474 12 , , , 28553 4474 13 _ _ NNP 28553 4474 14 151 151 CD 28553 4474 15 _ _ NNP 28553 4474 16 . . . 28553 4475 1 Triple triple JJ 28553 4475 2 - - HYPH 28553 4475 3 valve valve NN 28553 4475 4 , , , 28553 4475 5 196 196 CD 28553 4475 6 . . . 28553 4476 1 Trolley trolley NN 28553 4476 2 arm arm NN 28553 4476 3 , , , 28553 4476 4 176 176 CD 28553 4476 5 . . . 28553 4477 1 Turbines turbine NNS 28553 4477 2 , , , 28553 4477 3 steam steam NN 28553 4477 4 , , , 28553 4477 5 74 74 CD 28553 4477 6 . . . 28553 4478 1 _ _ NNP 28553 4478 2 Turbinia Turbinia NNP 28553 4478 3 _ _ NNP 28553 4478 4 , , , 28553 4478 5 the the DT 28553 4478 6 , , , 28553 4478 7 79 79 CD 28553 4478 8 . . . 28553 4479 1 Tympanum Tympanum NNP 28553 4479 2 , , , 28553 4479 3 137 137 CD 28553 4479 4 , , , 28553 4479 5 271 271 CD 28553 4479 6 , , , 28553 4479 7 272 272 CD 28553 4479 8 . . . 28553 4480 1 Universal Universal NNP 28553 4480 2 joint joint NN 28553 4480 3 , , , 28553 4480 4 93 93 CD 28553 4480 5 . . . 28553 4481 1 Vacuum Vacuum NNP 28553 4481 2 brake brake NN 28553 4481 3 , , , 28553 4481 4 189 189 CD 28553 4481 5 , , , 28553 4481 6 _ _ NNP 28553 4481 7 190 190 CD 28553 4481 8 _ _ NNP 28553 4481 9 , , , 28553 4481 10 _ _ NNP 28553 4481 11 191 191 CD 28553 4481 12 _ _ NNP 28553 4481 13 . . . 28553 4482 1 Vacuum Vacuum NNP 28553 4482 2 chamber chamber NN 28553 4482 3 of of IN 28553 4482 4 aneroid aneroid NNP 28553 4482 5 barometer barometer NNP 28553 4482 6 , , , 28553 4482 7 _ _ NNP 28553 4482 8 330 330 CD 28553 4482 9 _ _ NNP 28553 4482 10 . . . 28553 4483 1 Valve valve NN 28553 4483 2 , , , 28553 4483 3 piston piston NN 28553 4483 4 , , , 28553 4483 5 67 67 CD 28553 4483 6 ; ; : 28553 4483 7 safety safety NN 28553 4483 8 , , , 28553 4483 9 32 32 CD 28553 4483 10 ; ; : 28553 4483 11 of of IN 28553 4483 12 internal internal JJ 28553 4483 13 - - HYPH 28553 4483 14 combustion combustion NN 28553 4483 15 engine engine NN 28553 4483 16 , , , 28553 4483 17 89 89 CD 28553 4483 18 . . . 28553 4484 1 Valves valve NNS 28553 4484 2 of of IN 28553 4484 3 the the DT 28553 4484 4 heart heart NN 28553 4484 5 , , , 28553 4484 6 357 357 CD 28553 4484 7 . . . 28553 4485 1 Veins Veins NNP 28553 4485 2 , , , 28553 4485 3 358 358 CD 28553 4485 4 ; ; : 28553 4485 5 capillary capillary JJ 28553 4485 6 , , , 28553 4485 7 358 358 CD 28553 4485 8 ; ; : 28553 4485 9 pulmonary pulmonary NN 28553 4485 10 , , , 28553 4485 11 361 361 CD 28553 4485 12 . . . 28553 4486 1 Ventral ventral JJ 28553 4486 2 segments segment NNS 28553 4486 3 , , , 28553 4486 4 291 291 CD 28553 4486 5 . . . 28553 4487 1 Ventricles Ventricles NNP 28553 4487 2 , , , 28553 4487 3 357 357 CD 28553 4487 4 . . . 28553 4488 1 Vibration vibration NN 28553 4488 2 of of IN 28553 4488 3 columns column NNS 28553 4488 4 of of IN 28553 4488 5 air air NN 28553 4488 6 , , , 28553 4488 7 288 288 CD 28553 4488 8 , , , 28553 4488 9 289 289 CD 28553 4488 10 ; ; : 28553 4488 11 of of IN 28553 4488 12 rods rod NNS 28553 4488 13 , , , 28553 4488 14 287 287 CD 28553 4488 15 ; ; , 28553 4488 16 of of IN 28553 4488 17 strings string NNS 28553 4488 18 , , , 28553 4488 19 278 278 CD 28553 4488 20 ; ; : 28553 4488 21 of of IN 28553 4488 22 strings string NNS 28553 4488 23 , , , 28553 4488 24 conditions condition NNS 28553 4488 25 regulating regulating NN 28553 4488 26 , , , 28553 4488 27 278 278 CD 28553 4488 28 . . . 28553 4489 1 _ _ NNP 28553 4489 2 Viper Viper NNP 28553 4489 3 _ _ NNP 28553 4489 4 , , , 28553 4489 5 the the DT 28553 4489 6 , , , 28553 4489 7 86 86 CD 28553 4489 8 . . . 28553 4490 1 Virag Virag NNP 28553 4490 2 , , , 28553 4490 3 Pollak Pollak NNP 28553 4490 4 -- -- : 28553 4490 5 high high JJ 28553 4490 6 - - HYPH 28553 4490 7 speed speed NN 28553 4490 8 telegraphy telegraphy NN 28553 4490 9 , , , 28553 4490 10 136 136 CD 28553 4490 11 . . . 28553 4491 1 Vitreous vitreous JJ 28553 4491 2 humour humour NN 28553 4491 3 , , , 28553 4491 4 246 246 CD 28553 4491 5 . . . 28553 4492 1 Voltage voltage NN 28553 4492 2 , , , 28553 4492 3 121 121 CD 28553 4492 4 , , , 28553 4492 5 161 161 CD 28553 4492 6 . . . 28553 4493 1 Vowel Vowel NNP 28553 4493 2 sounds sound VBZ 28553 4493 3 , , , 28553 4493 4 308 308 CD 28553 4493 5 . . . 28553 4494 1 Wasborough Wasborough NNP 28553 4494 2 , , , 28553 4494 3 Matthew Matthew NNP 28553 4494 4 , , , 28553 4494 5 51 51 CD 28553 4494 6 . . . 28553 4495 1 Watches watch NNS 28553 4495 2 , , , 28553 4495 3 first first RB 28553 4495 4 , , , 28553 4495 5 412 412 CD 28553 4495 6 . . . 28553 4496 1 Water water NN 28553 4496 2 cock cock NN 28553 4496 3 , , , 28553 4496 4 _ _ NNP 28553 4496 5 365 365 CD 28553 4496 6 _ _ NNP 28553 4496 7 ; ; : 28553 4496 8 engines engine NNS 28553 4496 9 , , , 28553 4496 10 375 375 CD 28553 4496 11 ; ; : 28553 4496 12 gauge gauge NN 28553 4496 13 , , , 28553 4496 14 35 35 CD 28553 4496 15 , , , 28553 4496 16 _ _ NNP 28553 4496 17 36 36 CD 28553 4496 18 _ _ NNP 28553 4496 19 ; ; : 28553 4496 20 jacket jacket NN 28553 4496 21 , , , 28553 4496 22 19 19 CD 28553 4496 23 , , , 28553 4496 24 95 95 CD 28553 4496 25 ; ; : 28553 4496 26 meter meter NN 28553 4496 27 , , , 28553 4496 28 _ _ NNP 28553 4496 29 368 368 CD 28553 4496 30 _ _ NNP 28553 4496 31 ; ; : 28553 4496 32 supply supply NN 28553 4496 33 , , , 28553 4496 34 371 371 CD 28553 4496 35 ; ; : 28553 4496 36 turbines turbine NNS 28553 4496 37 , , , 28553 4496 38 174 174 CD 28553 4496 39 , , , 28553 4496 40 376 376 CD 28553 4496 41 ; ; : 28553 4496 42 wheels wheel NNS 28553 4496 43 , , , 28553 4496 44 375 375 CD 28553 4496 45 . . . 28553 4497 1 Watt Watt NNP 28553 4497 2 , , , 28553 4497 3 James James NNP 28553 4497 4 , , , 28553 4497 5 51 51 CD 28553 4497 6 , , , 28553 4497 7 69 69 CD 28553 4497 8 , , , 28553 4497 9 375 375 CD 28553 4497 10 . . . 28553 4498 1 Welsbach Welsbach NNP 28553 4498 2 incandescent incandescent NN 28553 4498 3 mantle mantle NN 28553 4498 4 , , , 28553 4498 5 407 407 CD 28553 4498 6 . . . 28553 4499 1 Westinghouse Westinghouse NNP 28553 4499 2 air air NN 28553 4499 3 - - HYPH 28553 4499 4 brake brake NN 28553 4499 5 , , , 28553 4499 6 194 194 CD 28553 4499 7 , , , 28553 4499 8 _ _ NNP 28553 4499 9 195 195 CD 28553 4499 10 _ _ NNP 28553 4499 11 , , , 28553 4499 12 _ _ NNP 28553 4499 13 197 197 CD 28553 4499 14 _ _ NNP 28553 4499 15 ; ; : 28553 4499 16 George George NNP 28553 4499 17 , , , 28553 4499 18 194 194 CD 28553 4499 19 . . . 28553 4500 1 Wheatstone wheatstone JJ 28553 4500 2 needle needle NN 28553 4500 3 instrument instrument NN 28553 4500 4 , , , 28553 4500 5 128 128 CD 28553 4500 6 , , , 28553 4500 7 131 131 CD 28553 4500 8 ; ; : 28553 4500 9 automatic automatic JJ 28553 4500 10 transmitter transmitter NN 28553 4500 11 , , , 28553 4500 12 135 135 CD 28553 4500 13 . . . 28553 4501 1 Wind wind NN 28553 4501 2 , , , 28553 4501 3 why why WRB 28553 4501 4 it -PRON- PRP 28553 4501 5 blows blow VBZ 28553 4501 6 , , , 28553 4501 7 323 323 CD 28553 4501 8 ; ; : 28553 4501 9 action action NN 28553 4501 10 of of IN 28553 4501 11 on on IN 28553 4501 12 kites kite NNS 28553 4501 13 , , , 28553 4501 14 345 345 CD 28553 4501 15 ; ; : 28553 4501 16 on on IN 28553 4501 17 sails sail NNS 28553 4501 18 , , , 28553 4501 19 346 346 CD 28553 4501 20 . . . 28553 4502 1 Windmills windmill NNS 28553 4502 2 , , , 28553 4502 3 375 375 CD 28553 4502 4 . . . 28553 4503 1 Window window NN 28553 4503 2 , , , 28553 4503 3 oval oval NN 28553 4503 4 , , , 28553 4503 5 in in IN 28553 4503 6 ear ear NN 28553 4503 7 , , , 28553 4503 8 272 272 CD 28553 4503 9 ; ; : 28553 4503 10 round round JJ 28553 4503 11 , , , 28553 4503 12 in in IN 28553 4503 13 ear ear NN 28553 4503 14 , , , 28553 4503 15 272 272 CD 28553 4503 16 . . . 28553 4504 1 Wireless wireless JJ 28553 4504 2 telegraphy telegraphy NN 28553 4504 3 , , , 28553 4504 4 137 137 CD 28553 4504 5 ; ; : 28553 4504 6 advance advance NN 28553 4504 7 of of IN 28553 4504 8 , , , 28553 4504 9 145 145 CD 28553 4504 10 ; ; : 28553 4504 11 receiver receiver NN 28553 4504 12 , , , 28553 4504 13 140 140 CD 28553 4504 14 , , , 28553 4504 15 141 141 CD 28553 4504 16 ; ; : 28553 4504 17 syntonic syntonic NNP 28553 4504 18 , , , 28553 4504 19 143 143 CD 28553 4504 20 ; ; : 28553 4504 21 transmitter transmitter NN 28553 4504 22 , , , 28553 4504 23 138 138 CD 28553 4504 24 , , , 28553 4504 25 _ _ NNP 28553 4504 26 139 139 CD 28553 4504 27 _ _ NNP 28553 4504 28 . . . 28553 4505 1 Yale Yale NNP 28553 4505 2 lock lock NN 28553 4505 3 , , , 28553 4505 4 _ _ NNP 28553 4505 5 436 436 CD 28553 4505 6 _ _ NNP 28553 4505 7 , , , 28553 4505 8 _ _ NNP 28553 4505 9 437 437 CD 28553 4505 10 _ _ NNP 28553 4505 11 . . . 28553 4506 1 Yellow yellow JJ 28553 4506 2 spot spot NN 28553 4506 3 , , , 28553 4506 4 in in IN 28553 4506 5 eye eye NN 28553 4506 6 , , , 28553 4506 7 251 251 CD 28553 4506 8 . . . 28553 4507 1 Zech Zech NNP 28553 4507 2 , , , 28553 4507 3 Jacob Jacob NNP 28553 4507 4 , , , 28553 4507 5 414 414 CD 28553 4507 6 . . . 28553 4508 1 Zeiss zeiss JJ 28553 4508 2 field field NN 28553 4508 3 - - HYPH 28553 4508 4 glasses glass NNS 28553 4508 5 , , , 28553 4508 6 260 260 CD 28553 4508 7 . . . 28553 4509 1 THE the DT 28553 4509 2 END END NNP 28553 4509 3 . . .