id sid tid token lemma pos 33941 1 1 Transcriber Transcriber NNP 33941 1 2 's 's POS 33941 1 3 Notes Notes NNPS 33941 1 4 : : : 33941 1 5 | | NNP 33941 1 6 | | CD 33941 1 7 | | CD 33941 1 8 | | NNP 33941 1 9 Italics Italics NNPS 33941 1 10 are be VBP 33941 1 11 indicated indicate VBN 33941 1 12 by by IN 33941 1 13 the the DT 33941 1 14 underscore underscore JJ 33941 1 15 character character NN 33941 1 16 , , , 33941 1 17 as as IN 33941 1 18 in in IN 33941 1 19 _ _ NNP 33941 1 20 word word NN 33941 1 21 _ _ NNP 33941 1 22 . . . 33941 2 1 | | NNS 33941 2 2 | | NNP 33941 2 3 Bold Bold NNP 33941 2 4 face face NN 33941 2 5 is be VBZ 33941 2 6 indicated indicate VBN 33941 2 7 by by IN 33941 2 8 the the DT 33941 2 9 equal equal JJ 33941 2 10 character character NN 33941 2 11 , , , 33941 2 12 as as IN 33941 2 13 in in IN 33941 2 14 = = NNS 33941 2 15 word=. word=. . 33941 3 1 | | NNP 33941 3 2 | | NNP 33941 3 3 Subscript Subscript NNP 33941 3 4 is be VBZ 33941 3 5 indicated indicate VBN 33941 3 6 by by IN 33941 3 7 _ _ NNP 33941 3 8 { { -LRB- 33941 3 9 subscript subscript NN 33941 3 10 } } -RRB- 33941 3 11 . . . 33941 4 1 | | NNS 33941 4 2 | | NNS 33941 4 3 Footnotes Footnotes NNPS 33941 4 4 have have VBP 33941 4 5 been be VBN 33941 4 6 moved move VBN 33941 4 7 to to IN 33941 4 8 below below IN 33941 4 9 the the DT 33941 4 10 paragraph paragraph NN 33941 4 11 they -PRON- PRP 33941 4 12 refer refer VBP 33941 4 13 to to IN 33941 4 14 . . . 33941 5 1 | | CD 33941 5 2 | | NNP 33941 5 3 Table table NN 33941 5 4 of of IN 33941 5 5 contents content NNS 33941 5 6 : : : 33941 5 7 84 84 CD 33941 5 8 - - SYM 33941 5 9 05 05 CD 33941 5 10 changed change VBD 33941 5 11 to to IN 33941 5 12 84 84 CD 33941 5 13 - - SYM 33941 5 14 95 95 CD 33941 5 15 . . . 33941 6 1 | | NNP 33941 6 2 | | NNP 33941 6 3 Paragraph Paragraph NNP 33941 6 4 starting start VBG 33941 6 5 Uniting unite VBG 33941 6 6 Pieces Pieces NNPS 33941 6 7 of of IN 33941 6 8 Glass Glass NNP 33941 6 9 to to IN 33941 6 10 Each each DT 33941 6 11 Other other JJ 33941 6 12 , , , 33941 6 13 known know VBN 33941 6 14 as| as| NN 33941 6 15 | | NNP 33941 6 16 Welding weld VBG 33941 6 17 , , , 33941 6 18 or or CC 33941 6 19 Soldering soldering NN 33941 6 20 : : : 33941 6 21 footnote footnote NN 33941 6 22 anchor anchor NN 33941 6 23 [ [ -LRB- 33941 6 24 1 1 CD 33941 6 25 ] ] -RRB- 33941 6 26 and and CC 33941 6 27 number number NN 33941 6 28 1 1 CD 33941 6 29 . . . 33941 6 30 before before IN 33941 6 31 | | CD 33941 6 32 | | NNP 33941 6 33 next next JJ 33941 6 34 paragraph paragraph NN 33941 6 35 deleted delete VBD 33941 6 36 . . . 33941 7 1 | | NNP 33941 7 2 | | NNP 33941 7 3 Caption Caption NNP 33941 7 4 FIG FIG NNP 33941 7 5 . . . 33941 8 1 18 18 CD 33941 8 2 added add VBD 33941 8 3 to to IN 33941 8 4 illustration illustration NN 33941 8 5 . . . 33941 9 1 | | NNP 33941 9 2 | | NNP 33941 9 3 Paragraph Paragraph NNP 33941 9 4 directly directly RB 33941 9 5 below below IN 33941 9 6 FIG FIG NNP 33941 9 7 . . . 33941 10 1 18 18 CD 33941 10 2 : : : 33941 10 3 comma comma NN 33941 10 4 added add VBD 33941 10 5 ( ( -LRB- 33941 10 6 or or CC 33941 10 7 better well JJR 33941 10 8 , , , 33941 10 9 ... ... NFP 33941 10 10 ) ) -RRB- 33941 10 11 . . . 33941 11 1 | | CD 33941 11 2 | | JJ 33941 11 3 2nd 2nd JJ 33941 11 4 paragraph paragraph NN 33941 11 5 under under IN 33941 11 6 FIG FIG NNP 33941 11 7 . . . 33941 12 1 19 19 CD 33941 12 2 : : : 33941 12 3 _ _ NNP 33941 12 4 DE DE NNP 33941 12 5 through through IN 33941 12 6 E E NNP 33941 12 7 _ _ NNP 33941 12 8 changed change VBD 33941 12 9 to to IN 33941 12 10 _ _ NNP 33941 12 11 DE DE NNP 33941 12 12 _ _ NNP 33941 12 13 | | NNP 33941 12 14 | | NNP 33941 12 15 through through IN 33941 12 16 _ _ NNP 33941 12 17 E E NNP 33941 12 18 _ _ NNP 33941 12 19 . . . 33941 13 1 | | CD 33941 13 2 | | JJ 33941 13 3 2nd 2nd JJ 33941 13 4 paragraph paragraph NN 33941 13 5 under under IN 33941 13 6 FIG FIG NNP 33941 13 7 . . . 33941 14 1 34 34 CD 33941 14 2 : : : 33941 14 3 _ _ IN 33941 14 4 whence whence NN 33941 14 5 it -PRON- PRP 33941 14 6 might may MD 33941 14 7 gradually gradually RB 33941 14 8 lead lead VB 33941 14 9 into_| into_| NNP 33941 14 10 | | NNP 33941 14 11 changed change VBD 33941 14 12 to to IN 33941 14 13 _ _ NNP 33941 14 14 whence whence NN 33941 14 15 it -PRON- PRP 33941 14 16 might may MD 33941 14 17 gradually gradually RB 33941 14 18 leak leak VB 33941 14 19 into into IN 33941 14 20 _ _ NNP 33941 14 21 . . . 33941 15 1 | | CD 33941 15 2 | | CD 33941 15 3 ToC toc NN 33941 15 4 : : : 33941 15 5 several several JJ 33941 15 6 sections section NNS 33941 15 7 added add VBN 33941 15 8 , , , 33941 15 9 so so IN 33941 15 10 that that IN 33941 15 11 all all DT 33941 15 12 named name VBN 33941 15 13 sections section NNS 33941 15 14 are be VBP 33941 15 15 | | CD 33941 15 16 | | CD 33941 15 17 included include VBD 33941 15 18 . . . 33941 16 1 | | NNS 33941 16 2 | | NNP 33941 16 3 endiometer endiometer RB 33941 16 4 changed change VBD 33941 16 5 to to IN 33941 16 6 eudiometer eudiometer NN 33941 16 7 . . . 33941 17 1 | | NNS 33941 17 2 | | NNS 33941 17 3 Some some DT 33941 17 4 minor minor JJ 33941 17 5 typographical typographical JJ 33941 17 6 errors error NNS 33941 17 7 and and CC 33941 17 8 inconsistencies inconsistency NNS 33941 17 9 corrected correct VBD 33941 17 10 . . . 33941 18 1 | | JJ 33941 18 2 + + SYM 33941 18 3 -------------------------------------------------------------------+ -------------------------------------------------------------------+ . 33941 18 4 THE the DT 33941 18 5 METHODS methods NN 33941 18 6 OF of IN 33941 18 7 GLASS glass NN 33941 18 8 BLOWING BLOWING NNS 33941 18 9 AND and CC 33941 18 10 OF of IN 33941 18 11 WORKING working NN 33941 18 12 SILICA SILICA NNP 33941 18 13 BY by IN 33941 18 14 THE the DT 33941 18 15 SAME SAME NNP 33941 18 16 AUTHOR AUTHOR NNP 33941 18 17 _ _ XX 33941 18 18 With with IN 33941 18 19 25 25 CD 33941 18 20 Illustrations illustration NNS 33941 18 21 . . . 33941 19 1 Crown Crown NNP 33941 19 2 8vo 8vo NNP 33941 19 3 , , , 33941 19 4 2s 2s CD 33941 19 5 . . . 33941 19 6 _ _ NNP 33941 19 7 = = FW 33941 19 8 A a DT 33941 19 9 Practical practical JJ 33941 19 10 Introduction introduction NN 33941 19 11 to to TO 33941 19 12 Chemistry.= chemistry.= VB 33941 19 13 Intended intend VBN 33941 19 14 to to TO 33941 19 15 give give VB 33941 19 16 a a DT 33941 19 17 _ _ NNP 33941 19 18 practical practical JJ 33941 19 19 _ _ NNP 33941 19 20 acquaintance acquaintance NN 33941 19 21 with with IN 33941 19 22 the the DT 33941 19 23 Elementary Elementary NNP 33941 19 24 Facts Facts NNPS 33941 19 25 and and CC 33941 19 26 Principles Principles NNPS 33941 19 27 of of IN 33941 19 28 Chemistry Chemistry NNP 33941 19 29 . . . 33941 20 1 LONGMANS LONGMANS NNP 33941 20 2 , , , 33941 20 3 GREEN GREEN NNP 33941 20 4 , , , 33941 20 5 AND and CC 33941 20 6 CO CO NNP 33941 20 7 . . . 33941 20 8 LONDON LONDON NNP 33941 20 9 , , , 33941 20 10 NEW NEW NNP 33941 20 11 YORK YORK NNP 33941 20 12 , , , 33941 20 13 BOMBAY BOMBAY NNP 33941 20 14 , , , 33941 20 15 CALCUTTA CALCUTTA NNP 33941 20 16 , , , 33941 20 17 AND and CC 33941 20 18 MADRAS MADRAS NNP 33941 20 19 . . . 33941 21 1 The the DT 33941 21 2 Methods Methods NNPS 33941 21 3 of of IN 33941 21 4 Glass Glass NNP 33941 21 5 Blowing Blowing NNP 33941 21 6 AND and CC 33941 21 7 OF of IN 33941 21 8 Working Working NNP 33941 21 9 Silica Silica NNP 33941 21 10 in in IN 33941 21 11 the the DT 33941 21 12 Oxy Oxy NNP 33941 21 13 - - HYPH 33941 21 14 Gas Gas NNP 33941 21 15 Flame Flame NNP 33941 21 16 _ _ NNP 33941 21 17 FOR for IN 33941 21 18 THE the DT 33941 21 19 USE USE NNP 33941 21 20 OF of IN 33941 21 21 CHEMICAL chemical NN 33941 21 22 AND and CC 33941 21 23 PHYSICAL PHYSICAL NNP 33941 21 24 STUDENTS STUDENTS NNPS 33941 21 25 _ _ NNP 33941 21 26 BY by IN 33941 21 27 W. W. NNP 33941 21 28 A. A. NNP 33941 21 29 SHENSTONE SHENSTONE NNP 33941 21 30 , , , 33941 21 31 F.R.S. F.R.S. NNP 33941 22 1 FORMERLY formerly JJ 33941 22 2 LECTURER lecturer NN 33941 22 3 ON on IN 33941 22 4 CHEMISTRY CHEMISTRY NNP 33941 22 5 IN in IN 33941 22 6 CLIFTON CLIFTON NNP 33941 22 7 COLLEGE COLLEGE NNP 33941 22 8 _ _ NNP 33941 22 9 NINTH NINTH NNP 33941 22 10 IMPRESSION IMPRESSION NNP 33941 22 11 _ _ NNP 33941 22 12 LONGMANS LONGMANS NNP 33941 22 13 , , , 33941 22 14 GREEN GREEN NNP 33941 22 15 , , , 33941 22 16 AND and CC 33941 22 17 CO CO NNP 33941 22 18 . . . 33941 22 19 39 39 CD 33941 22 20 PATERNOSTER PATERNOSTER NNP 33941 22 21 ROW ROW NNP 33941 22 22 , , , 33941 22 23 LONDON LONDON NNP 33941 22 24 FOURTH FOURTH NNP 33941 22 25 AVENUE AVENUE NNP 33941 22 26 & & CC 33941 22 27 30TH 30th CD 33941 22 28 STREET STREET NNP 33941 22 29 , , , 33941 22 30 NEW NEW NNP 33941 22 31 YORK YORK NNP 33941 22 32 BOMBAY BOMBAY NNP 33941 22 33 , , , 33941 22 34 CALCUTTA CALCUTTA NNP 33941 22 35 , , , 33941 22 36 AND and CC 33941 22 37 MADRAS madras NN 33941 22 38 1916 1916 CD 33941 22 39 PREFACE preface VB 33941 22 40 This this DT 33941 22 41 book book NN 33941 22 42 consists consist VBZ 33941 22 43 of of IN 33941 22 44 a a DT 33941 22 45 reprint reprint NN 33941 22 46 of of IN 33941 22 47 the the DT 33941 22 48 third third JJ 33941 22 49 edition edition NN 33941 22 50 of of IN 33941 22 51 my -PRON- PRP$ 33941 22 52 Methods Methods NNP 33941 22 53 of of IN 33941 22 54 Glass Glass NNP 33941 22 55 - - HYPH 33941 22 56 blowing blow VBG 33941 22 57 , , , 33941 22 58 together together RB 33941 22 59 with with IN 33941 22 60 a a DT 33941 22 61 new new JJ 33941 22 62 chapter chapter NN 33941 22 63 in in IN 33941 22 64 which which WDT 33941 22 65 I -PRON- PRP 33941 22 66 have have VBP 33941 22 67 described describe VBN 33941 22 68 the the DT 33941 22 69 comparatively comparatively RB 33941 22 70 new new JJ 33941 22 71 art art NN 33941 22 72 of of IN 33941 22 73 working work VBG 33941 22 74 vitreous vitreous JJ 33941 22 75 silica silica NN 33941 22 76 . . . 33941 23 1 The the DT 33941 23 2 individual individual JJ 33941 23 3 operations operation NNS 33941 23 4 of of IN 33941 23 5 glass glass NN 33941 23 6 - - HYPH 33941 23 7 blowing blowing NN 33941 23 8 are be VBP 33941 23 9 much much RB 33941 23 10 less less RBR 33941 23 11 difficult difficult JJ 33941 23 12 than than IN 33941 23 13 is be VBZ 33941 23 14 usually usually RB 33941 23 15 supposed suppose VBN 33941 23 16 , , , 33941 23 17 and and CC 33941 23 18 considerable considerable JJ 33941 23 19 success success NN 33941 23 20 in in IN 33941 23 21 the the DT 33941 23 22 performance performance NN 33941 23 23 of of IN 33941 23 24 most most JJS 33941 23 25 of of IN 33941 23 26 them -PRON- PRP 33941 23 27 may may MD 33941 23 28 be be VB 33941 23 29 attained attain VBN 33941 23 30 by by IN 33941 23 31 any any DT 33941 23 32 one one NN 33941 23 33 who who WP 33941 23 34 is be VBZ 33941 23 35 endowed endow VBN 33941 23 36 with with IN 33941 23 37 average average JJ 33941 23 38 powers power NNS 33941 23 39 of of IN 33941 23 40 manipulation manipulation NN 33941 23 41 and and CC 33941 23 42 who who WP 33941 23 43 is be VBZ 33941 23 44 moderately moderately RB 33941 23 45 persistent persistent JJ 33941 23 46 . . . 33941 24 1 Constructing construct VBG 33941 24 2 finished finish VBN 33941 24 3 apparatus apparatus NN 33941 24 4 is be VBZ 33941 24 5 often often RB 33941 24 6 more more RBR 33941 24 7 difficult difficult JJ 33941 24 8 , , , 33941 24 9 as as IN 33941 24 10 it -PRON- PRP 33941 24 11 may may MD 33941 24 12 involve involve VB 33941 24 13 the the DT 33941 24 14 performance performance NN 33941 24 15 of of IN 33941 24 16 several several JJ 33941 24 17 operations operation NNS 33941 24 18 under under IN 33941 24 19 disadvantageous disadvantageous JJ 33941 24 20 conditions condition NNS 33941 24 21 , , , 33941 24 22 and and CC 33941 24 23 may may MD 33941 24 24 demand demand VB 33941 24 25 a a DT 33941 24 26 little little JJ 33941 24 27 ingenuity ingenuity NN 33941 24 28 on on IN 33941 24 29 the the DT 33941 24 30 part part NN 33941 24 31 of of IN 33941 24 32 the the DT 33941 24 33 operator operator NN 33941 24 34 . . . 33941 25 1 But but CC 33941 25 2 I -PRON- PRP 33941 25 3 think think VBP 33941 25 4 the the DT 33941 25 5 suggestions suggestion NNS 33941 25 6 in in IN 33941 25 7 Chapter Chapter NNP 33941 25 8 IV IV NNP 33941 25 9 . . . 33941 26 1 will will MD 33941 26 2 make make VB 33941 26 3 this this DT 33941 26 4 comparatively comparatively RB 33941 26 5 easy easy JJ 33941 26 6 also also RB 33941 26 7 to to IN 33941 26 8 those those DT 33941 26 9 who who WP 33941 26 10 have have VBP 33941 26 11 mastered master VBN 33941 26 12 the the DT 33941 26 13 operations operation NNS 33941 26 14 described describe VBN 33941 26 15 in in IN 33941 26 16 Chapter Chapter NNP 33941 26 17 III III NNP 33941 26 18 . . . 33941 27 1 The the DT 33941 27 2 working working NN 33941 27 3 of of IN 33941 27 4 vitreous vitreous JJ 33941 27 5 silica silica NN 33941 27 6 , , , 33941 27 7 though though IN 33941 27 8 more more RBR 33941 27 9 tedious tedious JJ 33941 27 10 and and CC 33941 27 11 expensive expensive JJ 33941 27 12 than than IN 33941 27 13 glass glass NN 33941 27 14 - - HYPH 33941 27 15 blowing blowing NN 33941 27 16 , , , 33941 27 17 is be VBZ 33941 27 18 not not RB 33941 27 19 really really RB 33941 27 20 more more RBR 33941 27 21 difficult difficult JJ 33941 27 22 , , , 33941 27 23 and and CC 33941 27 24 as as IN 33941 27 25 it -PRON- PRP 33941 27 26 seems seem VBZ 33941 27 27 certain certain JJ 33941 27 28 that that IN 33941 27 29 this this DT 33941 27 30 new new JJ 33941 27 31 material material NN 33941 27 32 will will MD 33941 27 33 soon soon RB 33941 27 34 play play VB 33941 27 35 a a DT 33941 27 36 useful useful JJ 33941 27 37 part part NN 33941 27 38 in in IN 33941 27 39 chemical chemical NN 33941 27 40 and and CC 33941 27 41 physical physical JJ 33941 27 42 research research NN 33941 27 43 , , , 33941 27 44 I -PRON- PRP 33941 27 45 believe believe VBP 33941 27 46 the the DT 33941 27 47 addition addition NN 33941 27 48 now now RB 33941 27 49 made make VBN 33941 27 50 to to IN 33941 27 51 the the DT 33941 27 52 earlier early JJR 33941 27 53 book book NN 33941 27 54 will will MD 33941 27 55 add add VB 33941 27 56 considerably considerably RB 33941 27 57 to to IN 33941 27 58 its -PRON- PRP$ 33941 27 59 value value NN 33941 27 60 . . . 33941 28 1 As as IN 33941 28 2 glass glass NN 33941 28 3 is be VBZ 33941 28 4 much much RB 33941 28 5 less less RBR 33941 28 6 expensive expensive JJ 33941 28 7 to to TO 33941 28 8 work work VB 33941 28 9 with with IN 33941 28 10 than than IN 33941 28 11 silica silica NNP 33941 28 12 , , , 33941 28 13 the the DT 33941 28 14 beginner beginner NN 33941 28 15 will will MD 33941 28 16 find find VB 33941 28 17 it -PRON- PRP 33941 28 18 best good JJS 33941 28 19 to to TO 33941 28 20 spend spend VB 33941 28 21 a a DT 33941 28 22 few few JJ 33941 28 23 days day NNS 33941 28 24 working work VBG 33941 28 25 with with IN 33941 28 26 the the DT 33941 28 27 common common JJ 33941 28 28 gas gas NN 33941 28 29 blow blow NN 33941 28 30 - - HYPH 33941 28 31 pipe pipe NN 33941 28 32 and and CC 33941 28 33 glass glass NN 33941 28 34 before before IN 33941 28 35 he -PRON- PRP 33941 28 36 attempts attempt VBZ 33941 28 37 to to TO 33941 28 38 manipulate manipulate VB 33941 28 39 the the DT 33941 28 40 new new JJ 33941 28 41 and and CC 33941 28 42 more more RBR 33941 28 43 refractory refractory JJ 33941 28 44 material material NN 33941 28 45 . . . 33941 29 1 Therefore therefore RB 33941 29 2 , , , 33941 29 3 in in IN 33941 29 4 writing write VBG 33941 29 5 the the DT 33941 29 6 new new JJ 33941 29 7 chapter chapter NN 33941 29 8 , , , 33941 29 9 I -PRON- PRP 33941 29 10 have have VBP 33941 29 11 assumed assume VBN 33941 29 12 that that IN 33941 29 13 the the DT 33941 29 14 reader reader NN 33941 29 15 is be VBZ 33941 29 16 already already RB 33941 29 17 more more RBR 33941 29 18 or or CC 33941 29 19 less less RBR 33941 29 20 familiar familiar JJ 33941 29 21 with with IN 33941 29 22 the the DT 33941 29 23 rest rest NN 33941 29 24 of of IN 33941 29 25 the the DT 33941 29 26 book book NN 33941 29 27 , , , 33941 29 28 and and CC 33941 29 29 have have VBP 33941 29 30 given give VBN 33941 29 31 only only RB 33941 29 32 such such JJ 33941 29 33 instructions instruction NNS 33941 29 34 and and CC 33941 29 35 advice advice NN 33941 29 36 as as IN 33941 29 37 will will MD 33941 29 38 be be VB 33941 29 39 required require VBN 33941 29 40 by by IN 33941 29 41 one one CD 33941 29 42 who who WP 33941 29 43 is be VBZ 33941 29 44 already already RB 33941 29 45 able able JJ 33941 29 46 to to TO 33941 29 47 carry carry VB 33941 29 48 out out RP 33941 29 49 simple simple JJ 33941 29 50 work work NN 33941 29 51 at at IN 33941 29 52 the the DT 33941 29 53 blow blow NN 33941 29 54 - - HYPH 33941 29 55 pipe pipe NN 33941 29 56 . . . 33941 30 1 W. W. NNP 33941 30 2 A. A. NNP 33941 30 3 SHENSTONE SHENSTONE NNP 33941 30 4 . . . 33941 31 1 CLIFTON CLIFTON NNP 33941 31 2 COLLEGE COLLEGE NNP 33941 31 3 , , , 33941 31 4 _ _ NNP 33941 31 5 Dec. December NNP 33941 32 1 1901 1901 CD 33941 32 2 _ _ XX 33941 32 3 . . . 33941 33 1 CONTENTS content NNS 33941 33 2 CHAPTER chapter NN 33941 33 3 I. i. NN 33941 33 4 GLASS GLASS NNP 33941 33 5 - - HYPH 33941 33 6 BLOWER BLOWER NNP 33941 33 7 'S 's POS 33941 33 8 APPARATUS APPARATUS NNP 33941 33 9 . . . 33941 34 1 PAGE PAGE NNP 33941 34 2 Introductory introductory NN 33941 34 3 -- -- : 33941 34 4 The the DT 33941 34 5 Working Working NNP 33941 34 6 - - HYPH 33941 34 7 place place NN 33941 34 8 -- -- : 33941 34 9 The the DT 33941 34 10 Blow blow NN 33941 34 11 - - HYPH 33941 34 12 pipe pipe NN 33941 34 13 -- -- : 33941 34 14 The the DT 33941 34 15 Bellows Bellows NNPS 33941 34 16 -- -- : 33941 34 17 Automatic Automatic NNP 33941 34 18 Blower Blower NNP 33941 34 19 -- -- : 33941 34 20 Blow blow NN 33941 34 21 - - HYPH 33941 34 22 pipe pipe NN 33941 34 23 Flames flame NNS 33941 34 24 , , , 33941 34 25 1 1 CD 33941 34 26 - - SYM 33941 34 27 11 11 CD 33941 34 28 CHAPTER CHAPTER NNP 33941 34 29 II II NNP 33941 34 30 . . . 33941 35 1 VARIETIES varieties JJ 33941 35 2 OF of IN 33941 35 3 GLASS GLASS NNP 33941 35 4 AND and CC 33941 35 5 THEIR their NN 33941 35 6 MANAGEMENT MANAGEMENT NNP 33941 35 7 . . . 33941 36 1 Characters character NNS 33941 36 2 of of IN 33941 36 3 good good JJ 33941 36 4 Glass Glass NNP 33941 36 5 -- -- : 33941 36 6 Cleaning clean VBG 33941 36 7 and and CC 33941 36 8 Preparing prepare VBG 33941 36 9 a a DT 33941 36 10 Tube tube NN 33941 36 11 -- -- : 33941 36 12 Presenting present VBG 33941 36 13 Glass Glass NNP 33941 36 14 to to IN 33941 36 15 the the DT 33941 36 16 Flame flame NN 33941 36 17 -- -- : 33941 36 18 Methods Methods NNPS 33941 36 19 of of IN 33941 36 20 working work VBG 33941 36 21 with with IN 33941 36 22 Lead Lead NNP 33941 36 23 and and CC 33941 36 24 Soft Soft NNP 33941 36 25 Soda Soda NNP 33941 36 26 Glass Glass NNP 33941 36 27 respectively respectively RB 33941 36 28 -- -- : 33941 36 29 Management Management NNP 33941 36 30 of of IN 33941 36 31 Soda Soda NNP 33941 36 32 Glass Glass NNP 33941 36 33 -- -- : 33941 36 34 Annealing anneal VBG 33941 36 35 -- -- : 33941 36 36 The the DT 33941 36 37 Use Use NNP 33941 36 38 of of IN 33941 36 39 Combustion Combustion NNP 33941 36 40 Tube Tube NNP 33941 36 41 , , , 33941 36 42 12 12 CD 33941 36 43 - - SYM 33941 36 44 25 25 CD 33941 36 45 CHAPTER chapter NN 33941 36 46 III iii CD 33941 36 47 . . . 33941 37 1 CUTTING cutting NN 33941 37 2 AND and CC 33941 37 3 BENDING bending NN 33941 37 4 GLASS glas NNS 33941 37 5 -- -- : 33941 37 6 FORMING forming NN 33941 37 7 GLASS glas NNS 33941 37 8 APPARATUS apparatu VBN 33941 37 9 BEFORE before IN 33941 37 10 THE the DT 33941 37 11 BLOW BLOW NNP 33941 37 12 - - HYPH 33941 37 13 PIPE PIPE NNP 33941 37 14 -- -- : 33941 37 15 MAKING make VBG 33941 37 16 AND and CC 33941 37 17 GRINDING grind VBG 33941 37 18 STOPPERS stopper NNS 33941 37 19 TO to IN 33941 37 20 APPARATUS APPARATUS NNP 33941 37 21 , , , 33941 37 22 ETC ETC NNP 33941 37 23 . . . 33941 38 1 Cutting cut VBG 33941 38 2 Glass Glass NNP 33941 38 3 Tubes Tubes NNPS 33941 38 4 -- -- : 33941 38 5 Bending bend VBG 33941 38 6 Glass Glass NNP 33941 38 7 Tubes tube NNS 33941 38 8 -- -- : 33941 38 9 Rounding round VBG 33941 38 10 and and CC 33941 38 11 Bordering border VBG 33941 38 12 the the DT 33941 38 13 Ends end NNS 33941 38 14 of of IN 33941 38 15 Tubes Tubes NNPS 33941 38 16 -- -- : 33941 38 17 Sealing sealing NN 33941 38 18 -- -- : 33941 38 19 Choking choke VBG 33941 38 20 , , , 33941 38 21 or or CC 33941 38 22 Contracting contract VBG 33941 38 23 the the DT 33941 38 24 Bore Bore NNP 33941 38 25 of of IN 33941 38 26 a a DT 33941 38 27 Glass Glass NNP 33941 38 28 Tube Tube NNP 33941 38 29 -- -- : 33941 38 30 Widening Widening NNP 33941 38 31 Tubes Tubes NNPS 33941 38 32 -- -- : 33941 38 33 Piercing Piercing NNP 33941 38 34 Tubes tube NNS 33941 38 35 -- -- : 33941 38 36 Uniting unite VBG 33941 38 37 Pieces Pieces NNPS 33941 38 38 of of IN 33941 38 39 Glass Glass NNP 33941 38 40 to to IN 33941 38 41 Each each DT 33941 38 42 Other other JJ 33941 38 43 , , , 33941 38 44 Known know VBN 33941 38 45 as as IN 33941 38 46 Welding welding NN 33941 38 47 , , , 33941 38 48 or or CC 33941 38 49 Soldering soldering NN 33941 38 50 -- -- : 33941 38 51 Blowing blow VBG 33941 38 52 a a DT 33941 38 53 Bulb Bulb NNP 33941 38 54 or or CC 33941 38 55 Globe Globe NNP 33941 38 56 of of IN 33941 38 57 Glass Glass NNP 33941 38 58 -- -- : 33941 38 59 Making make VBG 33941 38 60 and and CC 33941 38 61 Grinding Grinding NNP 33941 38 62 Stoppers Stoppers NNPS 33941 38 63 , , , 33941 38 64 26 26 CD 33941 38 65 - - SYM 33941 38 66 54 54 CD 33941 38 67 CHAPTER CHAPTER NNP 33941 38 68 IV IV NNP 33941 38 69 . . . 33941 39 1 MAKING make VBG 33941 39 2 THISTLE THISTLE NNP 33941 39 3 FUNNELS FUNNELS NNP 33941 39 4 , , , 33941 39 5 U U NNP 33941 39 6 - - HYPH 33941 39 7 TUBES TUBES NNP 33941 39 8 , , , 33941 39 9 ETC.--COMBINING ETC.--COMBINING NNP 33941 39 10 THE the DT 33941 39 11 PARTS PARTS NNP 33941 39 12 OF of IN 33941 39 13 COMPLICATED COMPLICATED NNP 33941 39 14 APPARATUS APPARATUS NNP 33941 39 15 -- -- : 33941 39 16 MERCURY mercury NN 33941 39 17 , , , 33941 39 18 AND and CC 33941 39 19 OTHER OTHER NNP 33941 39 20 AIR AIR NNP 33941 39 21 - - HYPH 33941 39 22 TIGHT TIGHT NNP 33941 39 23 JOINTS joint NNS 33941 39 24 -- -- : 33941 39 25 VACUUM vacuum NN 33941 39 26 TAPS taps NN 33941 39 27 -- -- : 33941 39 28 SAFETY SAFETY NNP 33941 39 29 TAPS TAPS NNP 33941 39 30 -- -- : 33941 39 31 AIR AIR NNP 33941 39 32 - - HYPH 33941 39 33 TRAPS TRAPS NNP 33941 39 34 . . . 33941 40 1 Electrodes electrode NNS 33941 40 2 -- -- : 33941 40 3 U U NNP 33941 40 4 - - HYPH 33941 40 5 Tubes tube NNS 33941 40 6 -- -- : 33941 40 7 Spiral Spiral NNP 33941 40 8 Tubes Tubes NNPS 33941 40 9 -- -- : 33941 40 10 Thistle Thistle NNP 33941 40 11 Funnels Funnels NNP 33941 40 12 -- -- : 33941 40 13 Closing Closing NNP 33941 40 14 Tubes tube NNS 33941 40 15 containing contain VBG 33941 40 16 Chemicals Chemicals NNPS 33941 40 17 -- -- : 33941 40 18 Construction construction NN 33941 40 19 of of IN 33941 40 20 Apparatus Apparatus NNP 33941 40 21 Consisting Consisting NNP 33941 40 22 of of IN 33941 40 23 Several several JJ 33941 40 24 Parts part NNS 33941 40 25 -- -- : 33941 40 26 Modes mode NNS 33941 40 27 of of IN 33941 40 28 Combining combine VBG 33941 40 29 the the DT 33941 40 30 Parts Parts NNPS 33941 40 31 of of IN 33941 40 32 Heavy Heavy NNP 33941 40 33 Apparatus Apparatus NNP 33941 40 34 -- -- : 33941 40 35 Mercury Mercury NNP 33941 40 36 Joints joint NNS 33941 40 37 -- -- : 33941 40 38 Vacuum Vacuum NNP 33941 40 39 Taps tap NNS 33941 40 40 -- -- : 33941 40 41 Lubricating lubricate VBG 33941 40 42 Taps tap NNS 33941 40 43 -- -- : 33941 40 44 Air Air NNP 33941 40 45 - - HYPH 33941 40 46 Traps Traps NNPS 33941 40 47 , , , 33941 40 48 55 55 CD 33941 40 49 - - SYM 33941 40 50 69 69 CD 33941 40 51 CHAPTER chapter NN 33941 40 52 V. v. NN 33941 40 53 GRADUATING graduating NN 33941 40 54 AND and CC 33941 40 55 CALIBRATING calibrating NN 33941 40 56 GLASS glas NNS 33941 40 57 APPARATUS APPARATUS NNP 33941 40 58 . . . 33941 41 1 To to IN 33941 41 2 Graduate Graduate NNP 33941 41 3 Tubes Tubes NNP 33941 41 4 , , , 33941 41 5 etc.--To etc.--To NNS 33941 41 6 Divide divide NN 33941 41 7 a a DT 33941 41 8 Given give VBN 33941 41 9 Line line NN 33941 41 10 into into IN 33941 41 11 Equal equal JJ 33941 41 12 Parts part NNS 33941 41 13 -- -- : 33941 41 14 To to IN 33941 41 15 Calibrate Calibrate NNP 33941 41 16 Apparatus Apparatus NNP 33941 41 17 -- -- : 33941 41 18 To to IN 33941 41 19 Calibrate Calibrate NNP 33941 41 20 Tubes Tubes NNPS 33941 41 21 for for IN 33941 41 22 Measuring measure VBG 33941 41 23 Gases Gases NNPS 33941 41 24 -- -- : 33941 41 25 To to TO 33941 41 26 Calibrate calibrate VB 33941 41 27 the the DT 33941 41 28 Tube tube NN 33941 41 29 of of IN 33941 41 30 a a DT 33941 41 31 Thermometer Thermometer NNP 33941 41 32 , , , 33941 41 33 70 70 CD 33941 41 34 - - SYM 33941 41 35 81 81 CD 33941 41 36 CHAPTER chapter NN 33941 41 37 VI VI NNP 33941 41 38 . . . 33941 42 1 GLASS glas NNS 33941 42 2 TUBING tubing NN 33941 42 3 . . . 33941 43 1 Diagrams diagram NNS 33941 43 2 of of IN 33941 43 3 Glass Glass NNP 33941 43 4 Tubes Tubes NNPS 33941 43 5 , , , 33941 43 6 showing show VBG 33941 43 7 the the DT 33941 43 8 chief chief JJ 33941 43 9 sizes size NNS 33941 43 10 in in IN 33941 43 11 which which WDT 33941 43 12 they -PRON- PRP 33941 43 13 are be VBP 33941 43 14 made make VBN 33941 43 15 , , , 33941 43 16 82 82 CD 33941 43 17 - - SYM 33941 43 18 83 83 CD 33941 43 19 CHAPTER CHAPTER NNP 33941 43 20 VII vii NN 33941 43 21 . . . 33941 44 1 VITREOUS VITREOUS NNP 33941 44 2 SILICA SILICA NNP 33941 44 3 Introductory Introductory NNP 33941 44 4 -- -- : 33941 44 5 Properties Properties NNPS 33941 44 6 of of IN 33941 44 7 Vitreous Vitreous NNP 33941 44 8 Silica Silica NNP 33941 44 9 -- -- : 33941 44 10 Preparing prepare VBG 33941 44 11 non non JJ 33941 44 12 - - JJ 33941 44 13 splintering splintering JJ 33941 44 14 Silica Silica NNP 33941 44 15 from from IN 33941 44 16 Brazil Brazil NNP 33941 44 17 Pebble Pebble NNP 33941 44 18 -- -- : 33941 44 19 Apparatus Apparatus NNP 33941 44 20 -- -- : 33941 44 21 The the DT 33941 44 22 Method Method NNP 33941 44 23 of of IN 33941 44 24 Making make VBG 33941 44 25 Silica Silica NNP 33941 44 26 Tubes Tubes NNPS 33941 44 27 -- -- : 33941 44 28 Precautions precaution NNS 33941 44 29 -- -- : 33941 44 30 Making make VBG 33941 44 31 Larger large JJR 33941 44 32 Tubes Tubes NNPS 33941 44 33 and and CC 33941 44 34 other other JJ 33941 44 35 Apparatus Apparatus NNP 33941 44 36 of of IN 33941 44 37 Silica Silica NNP 33941 44 38 -- -- : 33941 44 39 Quartz Quartz NNP 33941 44 40 Fibres Fibres NNP 33941 44 41 , , , 33941 44 42 84 84 CD 33941 44 43 - - SYM 33941 44 44 95 95 CD 33941 44 45 INDEX index NN 33941 44 46 , , , 33941 44 47 97 97 CD 33941 44 48 CHAPTER chapter NN 33941 44 49 I. i. NN 33941 45 1 _ _ NNP 33941 45 2 GLASS GLASS NNP 33941 45 3 - - HYPH 33941 45 4 BLOWER BLOWER NNP 33941 45 5 'S 's POS 33941 45 6 APPARATUS APPARATUS NNP 33941 45 7 . . . 33941 45 8 _ _ NNP 33941 45 9 = = SYM 33941 45 10 Introductory.=--I introductory.=--i ADD 33941 45 11 shall shall MD 33941 45 12 endeavour endeavour VB 33941 45 13 to to TO 33941 45 14 give give VB 33941 45 15 such such PDT 33941 45 16 an an DT 33941 45 17 account account NN 33941 45 18 of of IN 33941 45 19 the the DT 33941 45 20 operations operation NNS 33941 45 21 required require VBN 33941 45 22 in in IN 33941 45 23 constructing construct VBG 33941 45 24 glass glass NN 33941 45 25 apparatus apparatus NN 33941 45 26 as as IN 33941 45 27 will will MD 33941 45 28 be be VB 33941 45 29 useful useful JJ 33941 45 30 to to IN 33941 45 31 chemical chemical JJ 33941 45 32 and and CC 33941 45 33 other other JJ 33941 45 34 students student NNS 33941 45 35 ; ; : 33941 45 36 and and CC 33941 45 37 as as IN 33941 45 38 this this DT 33941 45 39 book book NN 33941 45 40 probably probably RB 33941 45 41 will will MD 33941 45 42 come come VB 33941 45 43 into into IN 33941 45 44 the the DT 33941 45 45 hands hand NNS 33941 45 46 of of IN 33941 45 47 beginners beginner NNS 33941 45 48 who who WP 33941 45 49 are be VBP 33941 45 50 not not RB 33941 45 51 in in IN 33941 45 52 a a DT 33941 45 53 position position NN 33941 45 54 to to TO 33941 45 55 secure secure VB 33941 45 56 any any DT 33941 45 57 further further JJ 33941 45 58 assistance assistance NN 33941 45 59 , , , 33941 45 60 I -PRON- PRP 33941 45 61 shall shall MD 33941 45 62 include include VB 33941 45 63 descriptions description NNS 33941 45 64 even even RB 33941 45 65 of of IN 33941 45 66 the the DT 33941 45 67 simple simple JJ 33941 45 68 operations operation NNS 33941 45 69 which which WDT 33941 45 70 are be VBP 33941 45 71 usually usually RB 33941 45 72 learned learn VBN 33941 45 73 during during IN 33941 45 74 the the DT 33941 45 75 first first JJ 33941 45 76 few few JJ 33941 45 77 hours hour NNS 33941 45 78 of of IN 33941 45 79 practical practical JJ 33941 45 80 work work NN 33941 45 81 in in IN 33941 45 82 a a DT 33941 45 83 chemical chemical JJ 33941 45 84 or or CC 33941 45 85 physical physical JJ 33941 45 86 laboratory laboratory NN 33941 45 87 . . . 33941 46 1 I -PRON- PRP 33941 46 2 shall shall MD 33941 46 3 not not RB 33941 46 4 give give VB 33941 46 5 any any DT 33941 46 6 particular particular JJ 33941 46 7 account account NN 33941 46 8 of of IN 33941 46 9 the the DT 33941 46 10 manufacture manufacture NN 33941 46 11 of of IN 33941 46 12 such such JJ 33941 46 13 apparatus apparatus NN 33941 46 14 as as IN 33941 46 15 thermometers thermometer NNS 33941 46 16 , , , 33941 46 17 taps tap NNS 33941 46 18 , , , 33941 46 19 etc etc FW 33941 46 20 . . FW 33941 46 21 , , , 33941 46 22 because because IN 33941 46 23 , , , 33941 46 24 being be VBG 33941 46 25 in in IN 33941 46 26 large large JJ 33941 46 27 demand demand NN 33941 46 28 , , , 33941 46 29 they -PRON- PRP 33941 46 30 can can MD 33941 46 31 be be VB 33941 46 32 bought buy VBN 33941 46 33 so so RB 33941 46 34 cheaply cheaply RB 33941 46 35 that that DT 33941 46 36 time time NN 33941 46 37 is be VBZ 33941 46 38 not not RB 33941 46 39 profitably profitably RB 33941 46 40 spent spend VBN 33941 46 41 in in IN 33941 46 42 making make VBG 33941 46 43 them -PRON- PRP 33941 46 44 . . . 33941 47 1 But but CC 33941 47 2 it -PRON- PRP 33941 47 3 will will MD 33941 47 4 be be VB 33941 47 5 found find VBN 33941 47 6 that that IN 33941 47 7 what what WP 33941 47 8 is be VBZ 33941 47 9 included include VBN 33941 47 10 will will MD 33941 47 11 enable enable VB 33941 47 12 any any DT 33941 47 13 one one CD 33941 47 14 , , , 33941 47 15 who who WP 33941 47 16 will will MD 33941 47 17 devote devote VB 33941 47 18 sufficient sufficient JJ 33941 47 19 time time NN 33941 47 20 to to IN 33941 47 21 acquiring acquire VBG 33941 47 22 the the DT 33941 47 23 necessary necessary JJ 33941 47 24 manipulative manipulative JJ 33941 47 25 dexterity dexterity NN 33941 47 26 , , , 33941 47 27 to to TO 33941 47 28 prepare prepare VB 33941 47 29 such such JJ 33941 47 30 apparatus apparatus NN 33941 47 31 as as IN 33941 47 32 test test NN 33941 47 33 - - HYPH 33941 47 34 tubes tube NNS 33941 47 35 , , , 33941 47 36 distillation distillation NN 33941 47 37 flasks flask NNS 33941 47 38 , , , 33941 47 39 apparatus apparatus NN 33941 47 40 for for IN 33941 47 41 washing washing NN 33941 47 42 gases gas NNS 33941 47 43 , , , 33941 47 44 ozone ozone NN 33941 47 45 generating generate VBG 33941 47 46 tubes tube NNS 33941 47 47 , , , 33941 47 48 etc etc FW 33941 47 49 . . FW 33941 47 50 , , , 33941 47 51 when when WRB 33941 47 52 they -PRON- PRP 33941 47 53 are be VBP 33941 47 54 required require VBN 33941 47 55 , , , 33941 47 56 as as IN 33941 47 57 they -PRON- PRP 33941 47 58 often often RB 33941 47 59 are be VBP 33941 47 60 , , , 33941 47 61 without without IN 33941 47 62 delay delay NN 33941 47 63 or or CC 33941 47 64 for for IN 33941 47 65 special special JJ 33941 47 66 purposes purpose NNS 33941 47 67 . . . 33941 48 1 The the DT 33941 48 2 amateur amateur NN 33941 48 3 probably probably RB 33941 48 4 will will MD 33941 48 5 not not RB 33941 48 6 succeed succeed VB 33941 48 7 in in IN 33941 48 8 turning turn VBG 33941 48 9 out out RP 33941 48 10 apparatus apparatus NN 33941 48 11 so so RB 33941 48 12 finished finish VBN 33941 48 13 in in IN 33941 48 14 appearance appearance NN 33941 48 15 as as IN 33941 48 16 that that DT 33941 48 17 of of IN 33941 48 18 the the DT 33941 48 19 professional professional JJ 33941 48 20 glass glass NN 33941 48 21 - - HYPH 33941 48 22 blower blower NN 33941 48 23 until until IN 33941 48 24 after after IN 33941 48 25 long long JJ 33941 48 26 practice practice NN 33941 48 27 , , , 33941 48 28 but but CC 33941 48 29 after after IN 33941 48 30 a a DT 33941 48 31 little little JJ 33941 48 32 daily daily JJ 33941 48 33 practice practice NN 33941 48 34 for for IN 33941 48 35 the the DT 33941 48 36 space space NN 33941 48 37 of of IN 33941 48 38 a a DT 33941 48 39 few few JJ 33941 48 40 weeks week NNS 33941 48 41 , , , 33941 48 42 any any DT 33941 48 43 one one NN 33941 48 44 who who WP 33941 48 45 is be VBZ 33941 48 46 fairly fairly RB 33941 48 47 skilful skilful JJ 33941 48 48 in in IN 33941 48 49 ordinary ordinary JJ 33941 48 50 manipulation manipulation NN 33941 48 51 , , , 33941 48 52 and and CC 33941 48 53 who who WP 33941 48 54 perseveres persevere VBZ 33941 48 55 in in IN 33941 48 56 the the DT 33941 48 57 face face NN 33941 48 58 of of IN 33941 48 59 failure failure NN 33941 48 60 at at IN 33941 48 61 first first RB 33941 48 62 , , , 33941 48 63 will will MD 33941 48 64 find find VB 33941 48 65 himself -PRON- PRP 33941 48 66 able able JJ 33941 48 67 to to TO 33941 48 68 make make VB 33941 48 69 almost almost RB 33941 48 70 all all PDT 33941 48 71 the the DT 33941 48 72 apparatus apparatus NN 33941 48 73 he -PRON- PRP 33941 48 74 needs need VBZ 33941 48 75 for for IN 33941 48 76 lecture lecture NN 33941 48 77 or or CC 33941 48 78 other other JJ 33941 48 79 experiments experiment NNS 33941 48 80 , , , 33941 48 81 with with IN 33941 48 82 a a DT 33941 48 83 considerable considerable JJ 33941 48 84 saving saving NN 33941 48 85 in in IN 33941 48 86 laboratory laboratory NN 33941 48 87 expenses expense NNS 33941 48 88 , , , 33941 48 89 and and CC 33941 48 90 , , , 33941 48 91 which which WDT 33941 48 92 very very RB 33941 48 93 often often RB 33941 48 94 is be VBZ 33941 48 95 more more RBR 33941 48 96 important important JJ 33941 48 97 , , , 33941 48 98 without without IN 33941 48 99 the the DT 33941 48 100 delay delay NN 33941 48 101 that that WDT 33941 48 102 occurs occur VBZ 33941 48 103 when when WRB 33941 48 104 one one PRP 33941 48 105 depends depend VBZ 33941 48 106 upon upon IN 33941 48 107 the the DT 33941 48 108 professional professional JJ 33941 48 109 glass glass NN 33941 48 110 - - HYPH 33941 48 111 worker worker NN 33941 48 112 . . . 33941 49 1 In in IN 33941 49 2 the the DT 33941 49 3 case case NN 33941 49 4 of of IN 33941 49 5 those those DT 33941 49 6 who who WP 33941 49 7 , , , 33941 49 8 like like IN 33941 49 9 myself -PRON- PRP 33941 49 10 , , , 33941 49 11 work work VBP 33941 49 12 in in IN 33941 49 13 the the DT 33941 49 14 provinces province NNS 33941 49 15 , , , 33941 49 16 this this DT 33941 49 17 latter latter JJ 33941 49 18 advantage advantage NN 33941 49 19 is be VBZ 33941 49 20 a a DT 33941 49 21 very very RB 33941 49 22 weighty weighty JJ 33941 49 23 one one NN 33941 49 24 . . . 33941 50 1 After after IN 33941 50 2 the the DT 33941 50 3 description description NN 33941 50 4 of of IN 33941 50 5 the the DT 33941 50 6 instruments instrument NNS 33941 50 7 used use VBN 33941 50 8 in in IN 33941 50 9 glass glass NN 33941 50 10 - - HYPH 33941 50 11 blowing blowing NN 33941 50 12 , , , 33941 50 13 which which WDT 33941 50 14 immediately immediately RB 33941 50 15 follows follow VBZ 33941 50 16 , , , 33941 50 17 the the DT 33941 50 18 following follow VBG 33941 50 19 arrangement arrangement NN 33941 50 20 of of IN 33941 50 21 the the DT 33941 50 22 subject subject NN 33941 50 23 has have VBZ 33941 50 24 been be VBN 33941 50 25 adopted adopt VBN 33941 50 26 . . . 33941 51 1 In in IN 33941 51 2 the the DT 33941 51 3 first first JJ 33941 51 4 place place NN 33941 51 5 , , , 33941 51 6 an an DT 33941 51 7 account account NN 33941 51 8 of of IN 33941 51 9 the the DT 33941 51 10 two two CD 33941 51 11 chief chief JJ 33941 51 12 kinds kind NNS 33941 51 13 of of IN 33941 51 14 glass glass NN 33941 51 15 is be VBZ 33941 51 16 given give VBN 33941 51 17 , , , 33941 51 18 and and CC 33941 51 19 of of IN 33941 51 20 the the DT 33941 51 21 peculiarities peculiarity NNS 33941 51 22 in in IN 33941 51 23 the the DT 33941 51 24 behaviour behaviour NN 33941 51 25 of of IN 33941 51 26 each each DT 33941 51 27 of of IN 33941 51 28 them -PRON- PRP 33941 51 29 before before IN 33941 51 30 the the DT 33941 51 31 blow blow NN 33941 51 32 - - HYPH 33941 51 33 pipe pipe NN 33941 51 34 , , , 33941 51 35 which which WDT 33941 51 36 is be VBZ 33941 51 37 followed follow VBN 33941 51 38 by by IN 33941 51 39 a a DT 33941 51 40 tolerably tolerably RB 33941 51 41 minute minute JJ 33941 51 42 description description NN 33941 51 43 of of IN 33941 51 44 the the DT 33941 51 45 method method NN 33941 51 46 of of IN 33941 51 47 performing perform VBG 33941 51 48 each each DT 33941 51 49 of of IN 33941 51 50 the the DT 33941 51 51 fundamental fundamental JJ 33941 51 52 operations operation NNS 33941 51 53 employed employ VBN 33941 51 54 in in IN 33941 51 55 fashioning fashion VBG 33941 51 56 glass glass NN 33941 51 57 apparatus apparatus NN 33941 51 58 . . . 33941 52 1 These these DT 33941 52 2 are be VBP 33941 52 3 not not RB 33941 52 4 very very RB 33941 52 5 numerous numerous JJ 33941 52 6 , , , 33941 52 7 and and CC 33941 52 8 they -PRON- PRP 33941 52 9 should should MD 33941 52 10 be be VB 33941 52 11 thoroughly thoroughly RB 33941 52 12 mastered master VBN 33941 52 13 in in IN 33941 52 14 succession succession NN 33941 52 15 , , , 33941 52 16 preferably preferably RB 33941 52 17 upon upon IN 33941 52 18 tubes tube NNS 33941 52 19 of of IN 33941 52 20 both both DT 33941 52 21 soda soda NN 33941 52 22 and and CC 33941 52 23 lead lead JJ 33941 52 24 glass glass NN 33941 52 25 . . . 33941 53 1 Then then RB 33941 53 2 follows follow VBZ 33941 53 3 , , , 33941 53 4 in in IN 33941 53 5 Chapter Chapter NNP 33941 53 6 IV IV NNP 33941 53 7 . . NNP 33941 53 8 , , , 33941 53 9 an an DT 33941 53 10 account account NN 33941 53 11 of of IN 33941 53 12 the the DT 33941 53 13 application application NN 33941 53 14 of of IN 33941 53 15 these these DT 33941 53 16 operations operation NNS 33941 53 17 to to IN 33941 53 18 setting set VBG 33941 53 19 up up RP 33941 53 20 complete complete JJ 33941 53 21 apparatus apparatus NN 33941 53 22 , , , 33941 53 23 full full JJ 33941 53 24 explanations explanation NNS 33941 53 25 of of IN 33941 53 26 the the DT 33941 53 27 construction construction NN 33941 53 28 of of IN 33941 53 29 two two CD 33941 53 30 or or CC 33941 53 31 three three CD 33941 53 32 typical typical JJ 33941 53 33 pieces piece NNS 33941 53 34 of of IN 33941 53 35 apparatus apparatus NN 33941 53 36 being be VBG 33941 53 37 given give VBN 33941 53 38 as as IN 33941 53 39 examples example NNS 33941 53 40 , , , 33941 53 41 and and CC 33941 53 42 also also RB 33941 53 43 descriptions description NNS 33941 53 44 of of IN 33941 53 45 the the DT 33941 53 46 modes mode NNS 33941 53 47 of of IN 33941 53 48 making make VBG 33941 53 49 various various JJ 33941 53 50 pieces piece NNS 33941 53 51 of of IN 33941 53 52 apparatus apparatus NN 33941 53 53 which which WDT 33941 53 54 in in IN 33941 53 55 each each DT 33941 53 56 case case NN 33941 53 57 present present JJ 33941 53 58 one one CD 33941 53 59 or or CC 33941 53 60 more more JJR 33941 53 61 special special JJ 33941 53 62 difficulties difficulty NNS 33941 53 63 in in IN 33941 53 64 their -PRON- PRP$ 33941 53 65 construction construction NN 33941 53 66 ; ; : 33941 53 67 together together RB 33941 53 68 with with IN 33941 53 69 an an DT 33941 53 70 account account NN 33941 53 71 , , , 33941 53 72 which which WDT 33941 53 73 , , , 33941 53 74 I -PRON- PRP 33941 53 75 think think VBP 33941 53 76 , , , 33941 53 77 will will MD 33941 53 78 be be VB 33941 53 79 found find VBN 33941 53 80 valuable valuable JJ 33941 53 81 , , , 33941 53 82 of of IN 33941 53 83 some some DT 33941 53 84 apparatus apparatus NN 33941 53 85 that that WDT 33941 53 86 has have VBZ 33941 53 87 been be VBN 33941 53 88 introduced introduce VBN 33941 53 89 , , , 33941 53 90 chiefly chiefly RB 33941 53 91 during during IN 33941 53 92 recent recent JJ 33941 53 93 years year NNS 33941 53 94 , , , 33941 53 95 for for IN 33941 53 96 experimenting experiment VBG 33941 53 97 upon upon IN 33941 53 98 gases gas NNS 33941 53 99 under under IN 33941 53 100 reduced reduce VBN 33941 53 101 pressure pressure NN 33941 53 102 , , , 33941 53 103 _ _ NNP 33941 53 104 e.g. e.g. RB 33941 53 105 _ _ NNP 33941 53 106 vacuum vacuum NN 33941 53 107 taps tap NNS 33941 53 108 and and CC 33941 53 109 joints joint NNS 33941 53 110 . . . 33941 54 1 Finally finally RB 33941 54 2 , , , 33941 54 3 in in IN 33941 54 4 Chapter Chapter NNP 33941 54 5 V. V. NNP 33941 54 6 , , , 33941 54 7 there there EX 33941 54 8 is be VBZ 33941 54 9 a a DT 33941 54 10 short short JJ 33941 54 11 account account NN 33941 54 12 of of IN 33941 54 13 the the DT 33941 54 14 methods method NNS 33941 54 15 of of IN 33941 54 16 graduating graduating NN 33941 54 17 and and CC 33941 54 18 calibrating calibrate VBG 33941 54 19 glass glass NN 33941 54 20 apparatus apparatus NN 33941 54 21 for for IN 33941 54 22 use use NN 33941 54 23 in in IN 33941 54 24 quantitative quantitative JJ 33941 54 25 experiments experiment NNS 33941 54 26 . . . 33941 55 1 = = NFP 33941 55 2 The the DT 33941 55 3 Working Working NNP 33941 55 4 - - HYPH 33941 55 5 place.=--The place.=--the CD 33941 55 6 blow blow NN 33941 55 7 - - HYPH 33941 55 8 pipe pipe NN 33941 55 9 must must MD 33941 55 10 be be VB 33941 55 11 placed place VBN 33941 55 12 in in IN 33941 55 13 a a DT 33941 55 14 position position NN 33941 55 15 perfectly perfectly RB 33941 55 16 free free JJ 33941 55 17 from from IN 33941 55 18 draughts draught NNS 33941 55 19 . . . 33941 56 1 It -PRON- PRP 33941 56 2 should should MD 33941 56 3 not not RB 33941 56 4 face face VB 33941 56 5 a a DT 33941 56 6 window window NN 33941 56 7 , , , 33941 56 8 nor nor CC 33941 56 9 be be VB 33941 56 10 in in IN 33941 56 11 too too RB 33941 56 12 strong strong JJ 33941 56 13 a a DT 33941 56 14 light light NN 33941 56 15 , , , 33941 56 16 if if IN 33941 56 17 that that DT 33941 56 18 can can MD 33941 56 19 be be VB 33941 56 20 avoided avoid VBN 33941 56 21 , , , 33941 56 22 for for IN 33941 56 23 a a DT 33941 56 24 strong strong JJ 33941 56 25 light light NN 33941 56 26 will will MD 33941 56 27 render render VB 33941 56 28 the the DT 33941 56 29 non non JJ 33941 56 30 - - JJ 33941 56 31 luminous luminous JJ 33941 56 32 flames flame NNS 33941 56 33 , , , 33941 56 34 which which WDT 33941 56 35 are be VBP 33941 56 36 used use VBN 33941 56 37 in in IN 33941 56 38 glass glass NN 33941 56 39 - - HYPH 33941 56 40 blowing blowing NN 33941 56 41 , , , 33941 56 42 almost almost RB 33941 56 43 invisible invisible JJ 33941 56 44 , , , 33941 56 45 and and CC 33941 56 46 seriously seriously RB 33941 56 47 inconvenience inconvenience VB 33941 56 48 the the DT 33941 56 49 operator operator NN 33941 56 50 , , , 33941 56 51 who who WP 33941 56 52 can can MD 33941 56 53 not not RB 33941 56 54 apply apply VB 33941 56 55 the the DT 33941 56 56 various various JJ 33941 56 57 parts part NNS 33941 56 58 of of IN 33941 56 59 the the DT 33941 56 60 flames flame NNS 33941 56 61 to to IN 33941 56 62 his -PRON- PRP$ 33941 56 63 glass glass NN 33941 56 64 with with IN 33941 56 65 the the DT 33941 56 66 degree degree NN 33941 56 67 of of IN 33941 56 68 certainty certainty NN 33941 56 69 that that WDT 33941 56 70 is be VBZ 33941 56 71 necessary necessary JJ 33941 56 72 ; ; : 33941 56 73 neither neither CC 33941 56 74 can can MD 33941 56 75 he -PRON- PRP 33941 56 76 perceive perceive VB 33941 56 77 the the DT 33941 56 78 condition condition NN 33941 56 79 of of IN 33941 56 80 the the DT 33941 56 81 glass glass NN 33941 56 82 so so RB 33941 56 83 correctly correctly RB 33941 56 84 in in IN 33941 56 85 a a DT 33941 56 86 strong strong JJ 33941 56 87 light light NN 33941 56 88 , , , 33941 56 89 for for IN 33941 56 90 though though RB 33941 56 91 in in IN 33941 56 92 many many JJ 33941 56 93 operations operation NNS 33941 56 94 the the DT 33941 56 95 glass glass NN 33941 56 96 - - HYPH 33941 56 97 worker worker NN 33941 56 98 is be VBZ 33941 56 99 guided guide VBN 33941 56 100 by by IN 33941 56 101 feeling feel VBG 33941 56 102 rather rather RB 33941 56 103 than than IN 33941 56 104 by by IN 33941 56 105 seeing see VBG 33941 56 106 , , , 33941 56 107 yet yet CC 33941 56 108 sight sight NN 33941 56 109 plays play VBZ 33941 56 110 a a DT 33941 56 111 very very RB 33941 56 112 important important JJ 33941 56 113 part part NN 33941 56 114 in in IN 33941 56 115 his -PRON- PRP$ 33941 56 116 proceedings proceeding NNS 33941 56 117 . . . 33941 57 1 My -PRON- PRP$ 33941 57 2 own own JJ 33941 57 3 blow blow NN 33941 57 4 - - HYPH 33941 57 5 pipe pipe NN 33941 57 6 is be VBZ 33941 57 7 placed place VBN 33941 57 8 near near IN 33941 57 9 a a DT 33941 57 10 window window NN 33941 57 11 glazed glaze VBN 33941 57 12 with with IN 33941 57 13 opaque opaque JJ 33941 57 14 glass glass NN 33941 57 15 , , , 33941 57 16 which which WDT 33941 57 17 looks look VBZ 33941 57 18 southwards southwards RB 33941 57 19 , , , 33941 57 20 but but CC 33941 57 21 is be VBZ 33941 57 22 faced face VBN 33941 57 23 by by IN 33941 57 24 buildings building NNS 33941 57 25 at at IN 33941 57 26 a a DT 33941 57 27 short short JJ 33941 57 28 distance distance NN 33941 57 29 . . . 33941 58 1 In in IN 33941 58 2 dull dull JJ 33941 58 3 weather weather NN 33941 58 4 the the DT 33941 58 5 light light NN 33941 58 6 obtained obtain VBN 33941 58 7 is be VBZ 33941 58 8 good good JJ 33941 58 9 ; ; : 33941 58 10 but but CC 33941 58 11 on on IN 33941 58 12 most most JJS 33941 58 13 days day NNS 33941 58 14 I -PRON- PRP 33941 58 15 find find VBP 33941 58 16 it -PRON- PRP 33941 58 17 advantageous advantageous JJ 33941 58 18 to to TO 33941 58 19 shade shade VB 33941 58 20 the the DT 33941 58 21 lower low JJR 33941 58 22 half half NN 33941 58 23 of of IN 33941 58 24 the the DT 33941 58 25 window window NN 33941 58 26 with with IN 33941 58 27 a a DT 33941 58 28 green green JJ 33941 58 29 baize baize NN 33941 58 30 screen screen NN 33941 58 31 . . . 33941 59 1 Some some DT 33941 59 2 glass glass NN 33941 59 3 - - HYPH 33941 59 4 blowers blower NNS 33941 59 5 prefer prefer VBP 33941 59 6 gaslight gaslight NN 33941 59 7 to to IN 33941 59 8 daylight daylight NN 33941 59 9 . . . 33941 60 1 The the DT 33941 60 2 form form NN 33941 60 3 of of IN 33941 60 4 the the DT 33941 60 5 table table NN 33941 60 6 used use VBN 33941 60 7 is be VBZ 33941 60 8 unimportant unimportant JJ 33941 60 9 , , , 33941 60 10 provided provide VBN 33941 60 11 that that IN 33941 60 12 it -PRON- PRP 33941 60 13 is be VBZ 33941 60 14 of of IN 33941 60 15 a a DT 33941 60 16 convenient convenient JJ 33941 60 17 height height NN 33941 60 18 , , , 33941 60 19 and and CC 33941 60 20 allows allow VBZ 33941 60 21 free free JJ 33941 60 22 play play NN 33941 60 23 to to IN 33941 60 24 the the DT 33941 60 25 foot foot NN 33941 60 26 which which WDT 33941 60 27 works work VBZ 33941 60 28 the the DT 33941 60 29 blower blower NN 33941 60 30 underneath underneath IN 33941 60 31 it -PRON- PRP 33941 60 32 . . . 33941 61 1 The the DT 33941 61 2 blower blower NN 33941 61 3 should should MD 33941 61 4 be be VB 33941 61 5 _ _ NNP 33941 61 6 fixed fix VBN 33941 61 7 _ _ NNP 33941 61 8 in in IN 33941 61 9 a a DT 33941 61 10 convenient convenient JJ 33941 61 11 position position NN 33941 61 12 , , , 33941 61 13 or or CC 33941 61 14 it -PRON- PRP 33941 61 15 will will MD 33941 61 16 get get VB 33941 61 17 out out IN 33941 61 18 of of IN 33941 61 19 control control NN 33941 61 20 at at IN 33941 61 21 critical critical JJ 33941 61 22 moments moment NNS 33941 61 23 . . . 33941 62 1 The the DT 33941 62 2 table table NN 33941 62 3 , , , 33941 62 4 or or CC 33941 62 5 that that DT 33941 62 6 part part NN 33941 62 7 of of IN 33941 62 8 it -PRON- PRP 33941 62 9 which which WDT 33941 62 10 surrounds surround VBZ 33941 62 11 the the DT 33941 62 12 blow blow NN 33941 62 13 - - HYPH 33941 62 14 pipe pipe NN 33941 62 15 , , , 33941 62 16 should should MD 33941 62 17 be be VB 33941 62 18 covered cover VBN 33941 62 19 with with IN 33941 62 20 sheet sheet NN 33941 62 21 - - HYPH 33941 62 22 iron iron NN 33941 62 23 to to TO 33941 62 24 protect protect VB 33941 62 25 it -PRON- PRP 33941 62 26 from from IN 33941 62 27 the the DT 33941 62 28 action action NN 33941 62 29 of of IN 33941 62 30 the the DT 33941 62 31 fragments fragment NNS 33941 62 32 of of IN 33941 62 33 hot hot JJ 33941 62 34 glass glass NN 33941 62 35 that that WDT 33941 62 36 will will MD 33941 62 37 fall fall VB 33941 62 38 upon upon IN 33941 62 39 it -PRON- PRP 33941 62 40 . . . 33941 63 1 The the DT 33941 63 2 tubes tube NNS 33941 63 3 that that WDT 33941 63 4 supply supply VBP 33941 63 5 air air NN 33941 63 6 and and CC 33941 63 7 gas gas NN 33941 63 8 to to IN 33941 63 9 the the DT 33941 63 10 blow blow NN 33941 63 11 - - HYPH 33941 63 12 pipe pipe NN 33941 63 13 should should MD 33941 63 14 come come VB 33941 63 15 from from IN 33941 63 16 beneath beneath IN 33941 63 17 the the DT 33941 63 18 table table NN 33941 63 19 , , , 33941 63 20 and and CC 33941 63 21 may may MD 33941 63 22 pass pass VB 33941 63 23 through through RP 33941 63 24 holes hole NNS 33941 63 25 cut cut VBN 33941 63 26 for for IN 33941 63 27 the the DT 33941 63 28 purpose purpose NN 33941 63 29 . . . 33941 64 1 Many many JJ 33941 64 2 glass glass NN 33941 64 3 - - HYPH 33941 64 4 blowers blower NNS 33941 64 5 prefer prefer VBP 33941 64 6 to to TO 33941 64 7 work work VB 33941 64 8 at at IN 33941 64 9 a a DT 33941 64 10 rather rather RB 33941 64 11 high high JJ 33941 64 12 table table NN 33941 64 13 , , , 33941 64 14 and and CC 33941 64 15 sit sit VB 33941 64 16 on on IN 33941 64 17 a a DT 33941 64 18 rather rather RB 33941 64 19 high high JJ 33941 64 20 stool stool NN 33941 64 21 , , , 33941 64 22 so so IN 33941 64 23 that that IN 33941 64 24 they -PRON- PRP 33941 64 25 are be VBP 33941 64 26 well well RB 33941 64 27 above above IN 33941 64 28 their -PRON- PRP$ 33941 64 29 work work NN 33941 64 30 . . . 33941 65 1 No no RB 33941 65 2 doubt doubt RB 33941 65 3 this this DT 33941 65 4 gives give VBZ 33941 65 5 extra extra JJ 33941 65 6 command command NN 33941 65 7 over over IN 33941 65 8 the the DT 33941 65 9 work work NN 33941 65 10 in in IN 33941 65 11 hand hand NN 33941 65 12 , , , 33941 65 13 which which WDT 33941 65 14 is be VBZ 33941 65 15 often often RB 33941 65 16 valuable valuable JJ 33941 65 17 . . . 33941 66 1 On on IN 33941 66 2 the the DT 33941 66 3 other other JJ 33941 66 4 hand hand NN 33941 66 5 , , , 33941 66 6 it -PRON- PRP 33941 66 7 is be VBZ 33941 66 8 somewhat somewhat RB 33941 66 9 fatiguing fatigue VBG 33941 66 10 . . . 33941 67 1 For for IN 33941 67 2 a a DT 33941 67 3 long long JJ 33941 67 4 spell spell NN 33941 67 5 of of IN 33941 67 6 labour labour NN 33941 67 7 at at IN 33941 67 8 work work NN 33941 67 9 which which WDT 33941 67 10 is be VBZ 33941 67 11 not not RB 33941 67 12 of of IN 33941 67 13 a a DT 33941 67 14 novel novel JJ 33941 67 15 character character NN 33941 67 16 nor nor CC 33941 67 17 specially specially RB 33941 67 18 difficult difficult JJ 33941 67 19 , , , 33941 67 20 I -PRON- PRP 33941 67 21 am be VBP 33941 67 22 disposed disposed JJ 33941 67 23 to to TO 33941 67 24 recommend recommend VB 33941 67 25 sitting sit VBG 33941 67 26 on on IN 33941 67 27 a a DT 33941 67 28 chair chair NN 33941 67 29 or or CC 33941 67 30 low low JJ 33941 67 31 stool stool NN 33941 67 32 , , , 33941 67 33 at at IN 33941 67 34 a a DT 33941 67 35 table table NN 33941 67 36 of of IN 33941 67 37 such such JJ 33941 67 38 height height NN 33941 67 39 as as IN 33941 67 40 will will MD 33941 67 41 enable enable VB 33941 67 42 the the DT 33941 67 43 elbows elbow NNS 33941 67 44 to to TO 33941 67 45 rest rest VB 33941 67 46 easily easily RB 33941 67 47 upon upon IN 33941 67 48 it -PRON- PRP 33941 67 49 whilst whilst IN 33941 67 50 the the DT 33941 67 51 glass glass NN 33941 67 52 is be VBZ 33941 67 53 held hold VBN 33941 67 54 in in IN 33941 67 55 the the DT 33941 67 56 flame flame NN 33941 67 57 . . . 33941 68 1 The the DT 33941 68 2 precise precise JJ 33941 68 3 heights height NNS 33941 68 4 that that WDT 33941 68 5 are be VBP 33941 68 6 desirable desirable JJ 33941 68 7 for for IN 33941 68 8 the the DT 33941 68 9 table table NN 33941 68 10 and and CC 33941 68 11 stool stool NN 33941 68 12 , , , 33941 68 13 and and CC 33941 68 14 the the DT 33941 68 15 exact exact JJ 33941 68 16 position position NN 33941 68 17 of of IN 33941 68 18 the the DT 33941 68 19 blow blow NN 33941 68 20 - - HYPH 33941 68 21 pipe pipe NN 33941 68 22 , , , 33941 68 23 will will MD 33941 68 24 depend depend VB 33941 68 25 upon upon IN 33941 68 26 the the DT 33941 68 27 height height NN 33941 68 28 and and CC 33941 68 29 length length NN 33941 68 30 of of IN 33941 68 31 arm arm NN 33941 68 32 of of IN 33941 68 33 the the DT 33941 68 34 individual individual JJ 33941 68 35 workman workman NN 33941 68 36 , , , 33941 68 37 and and CC 33941 68 38 it -PRON- PRP 33941 68 39 must must MD 33941 68 40 therefore therefore RB 33941 68 41 be be VB 33941 68 42 left leave VBN 33941 68 43 to to IN 33941 68 44 each each DT 33941 68 45 person person NN 33941 68 46 to to TO 33941 68 47 select select VB 33941 68 48 that that IN 33941 68 49 which which WDT 33941 68 50 suits suit VBZ 33941 68 51 him -PRON- PRP 33941 68 52 best well RBS 33941 68 53 . . . 33941 69 1 A a DT 33941 69 2 moveable moveable JJ 33941 69 3 rest rest NN 33941 69 4 made make VBN 33941 69 5 of of IN 33941 69 6 wood wood NN 33941 69 7 , , , 33941 69 8 for for IN 33941 69 9 supporting support VBG 33941 69 10 the the DT 33941 69 11 remote remote JJ 33941 69 12 end end NN 33941 69 13 of of IN 33941 69 14 a a DT 33941 69 15 long long JJ 33941 69 16 piece piece NN 33941 69 17 of of IN 33941 69 18 glass glass NN 33941 69 19 tube tube NN 33941 69 20 a a DT 33941 69 21 few few JJ 33941 69 22 inches inch NNS 33941 69 23 above above IN 33941 69 24 the the DT 33941 69 25 table table NN 33941 69 26 , , , 33941 69 27 whilst whilst IN 33941 69 28 the the DT 33941 69 29 other other JJ 33941 69 30 end end NN 33941 69 31 is be VBZ 33941 69 32 being be VBG 33941 69 33 heated heat VBN 33941 69 34 in in IN 33941 69 35 the the DT 33941 69 36 flame flame NN 33941 69 37 , , , 33941 69 38 will will MD 33941 69 39 be be VB 33941 69 40 found find VBN 33941 69 41 convenient convenient JJ 33941 69 42 . . . 33941 70 1 = = NFP 33941 70 2 The the DT 33941 70 3 Blow Blow NNP 33941 70 4 - - HYPH 33941 70 5 pipe.=--Formerly pipe.=--formerly NN 33941 70 6 a a DT 33941 70 7 lamp lamp NN 33941 70 8 , , , 33941 70 9 in in IN 33941 70 10 which which WDT 33941 70 11 sweet sweet JJ 33941 70 12 oil oil NN 33941 70 13 or or CC 33941 70 14 tallow tallow NN 33941 70 15 was be VBD 33941 70 16 burnt burn VBN 33941 70 17 , , , 33941 70 18 was be VBD 33941 70 19 employed employ VBN 33941 70 20 for for IN 33941 70 21 glass glass NN 33941 70 22 - - HYPH 33941 70 23 working working NN 33941 70 24 , , , 33941 70 25 and and CC 33941 70 26 such such JJ 33941 70 27 lamps lamp NNS 33941 70 28 are be VBP 33941 70 29 still still RB 33941 70 30 occasionally occasionally RB 33941 70 31 used use VBN 33941 70 32 . . . 33941 71 1 Thus thus RB 33941 71 2 , , , 33941 71 3 lamps lamp NNS 33941 71 4 burning burn VBG 33941 71 5 oil oil NN 33941 71 6 or or CC 33941 71 7 tallow tallow NN 33941 71 8 were be VBD 33941 71 9 used use VBN 33941 71 10 on on IN 33941 71 11 board board NN 33941 71 12 the the DT 33941 71 13 _ _ NNP 33941 71 14 Challenger Challenger NNP 33941 71 15 _ _ NNP 33941 71 16 for for IN 33941 71 17 hermetically hermetically RB 33941 71 18 sealing seal VBG 33941 71 19 up up RP 33941 71 20 flasks flask NNS 33941 71 21 of of IN 33941 71 22 water water NN 33941 71 23 collected collect VBN 33941 71 24 at at IN 33941 71 25 various various JJ 33941 71 26 depths depth NNS 33941 71 27 to to TO 33941 71 28 preserve preserve VB 33941 71 29 them -PRON- PRP 33941 71 30 for for IN 33941 71 31 subsequent subsequent JJ 33941 71 32 examination examination NN 33941 71 33 . . . 33941 72 1 I -PRON- PRP 33941 72 2 shall shall MD 33941 72 3 not not RB 33941 72 4 , , , 33941 72 5 however however RB 33941 72 6 , , , 33941 72 7 give give VB 33941 72 8 an an DT 33941 72 9 account account NN 33941 72 10 of of IN 33941 72 11 such such PDT 33941 72 12 a a DT 33941 72 13 lamp lamp NN 33941 72 14 , , , 33941 72 15 for for IN 33941 72 16 the the DT 33941 72 17 gas gas NN 33941 72 18 apparatus apparatus NN 33941 72 19 is be VBZ 33941 72 20 so so RB 33941 72 21 much much RB 33941 72 22 more more RBR 33941 72 23 convenient convenient JJ 33941 72 24 for for IN 33941 72 25 most most JJS 33941 72 26 purposes purpose NNS 33941 72 27 that that WDT 33941 72 28 it -PRON- PRP 33941 72 29 has have VBZ 33941 72 30 now now RB 33941 72 31 practically practically RB 33941 72 32 superseded supersede VBN 33941 72 33 the the DT 33941 72 34 oil oil NN 33941 72 35 lamps lamp NNS 33941 72 36 . . . 33941 73 1 Fig fig NN 33941 73 2 . . . 33941 74 1 1 1 CD 33941 74 2 shows show VBZ 33941 74 3 a a DT 33941 74 4 gas gas NN 33941 74 5 blow blow NN 33941 74 6 - - HYPH 33941 74 7 pipe pipe NN 33941 74 8 of of IN 33941 74 9 exceedingly exceedingly JJ 33941 74 10 simple simple JJ 33941 74 11 construction construction NN 33941 74 12 , , , 33941 74 13 which which WDT 33941 74 14 can can MD 33941 74 15 be be VB 33941 74 16 easily easily RB 33941 74 17 made make VBN 33941 74 18 , , , 33941 74 19 and and CC 33941 74 20 with with IN 33941 74 21 which which WDT 33941 74 22 good good JJ 33941 74 23 work work NN 33941 74 24 can can MD 33941 74 25 be be VB 33941 74 26 done do VBN 33941 74 27 . . . 33941 75 1 [ [ -LRB- 33941 75 2 Illustration illustration NN 33941 75 3 : : : 33941 75 4 FIG FIG NNP 33941 75 5 . . . 33941 76 1 1 1 LS 33941 76 2 . . . 33941 76 3 ] ] -RRB- 33941 77 1 The the DT 33941 77 2 tube tube NN 33941 77 3 _ _ NNP 33941 77 4 A A NNP 33941 77 5 _ _ NNP 33941 77 6 is be VBZ 33941 77 7 of of IN 33941 77 8 brass brass NN 33941 77 9 , , , 33941 77 10 and and CC 33941 77 11 has have VBZ 33941 77 12 a a DT 33941 77 13 side side NN 33941 77 14 tube tube NN 33941 77 15 _ _ NNP 33941 77 16 B B NNP 33941 77 17 _ _ NNP 33941 77 18 brazed braze VBD 33941 77 19 to to IN 33941 77 20 it -PRON- PRP 33941 77 21 , , , 33941 77 22 ten ten CD 33941 77 23 to to TO 33941 77 24 twelve twelve CD 33941 77 25 centimetres centimetre NNS 33941 77 26 from from IN 33941 77 27 the the DT 33941 77 28 end end NN 33941 77 29 _ _ NNP 33941 77 30 E E NNP 33941 77 31 _ _ NNP 33941 77 32 , , , 33941 77 33 according accord VBG 33941 77 34 to to IN 33941 77 35 the the DT 33941 77 36 dimensions dimension NNS 33941 77 37 of of IN 33941 77 38 the the DT 33941 77 39 tube tube NN 33941 77 40 . . . 33941 78 1 A a DT 33941 78 2 tube tube NN 33941 78 3 of of IN 33941 78 4 glass glass NN 33941 78 5 , , , 33941 78 6 _ _ NNP 33941 78 7 EC EC NNP 33941 78 8 _ _ NNP 33941 78 9 , , , 33941 78 10 is be VBZ 33941 78 11 fitted fit VBN 33941 78 12 into into IN 33941 78 13 _ _ NNP 33941 78 14 A A NNP 33941 78 15 _ _ NNP 33941 78 16 by by IN 33941 78 17 a a DT 33941 78 18 cork cork NN 33941 78 19 at at IN 33941 78 20 _ _ NNP 33941 78 21 D D NNP 33941 78 22 _ _ NNP 33941 78 23 . . . 33941 79 1 _ _ NNP 33941 79 2 B B NNP 33941 79 3 _ _ NNP 33941 79 4 is be VBZ 33941 79 5 connected connect VBN 33941 79 6 to to IN 33941 79 7 a a DT 33941 79 8 supply supply NN 33941 79 9 of of IN 33941 79 10 gas gas NN 33941 79 11 by by IN 33941 79 12 a a DT 33941 79 13 flexible flexible JJ 33941 79 14 tube tube NN 33941 79 15 , , , 33941 79 16 _ _ NNP 33941 79 17 C C NNP 33941 79 18 _ _ NNP 33941 79 19 is be VBZ 33941 79 20 similarly similarly RB 33941 79 21 connected connect VBN 33941 79 22 to to IN 33941 79 23 the the DT 33941 79 24 blower blower NN 33941 79 25 . . . 33941 80 1 By by IN 33941 80 2 means mean NNS 33941 80 3 of of IN 33941 80 4 _ _ NNP 33941 80 5 CE CE NNP 33941 80 6 _ _ NNP 33941 80 7 a a DT 33941 80 8 stream stream NN 33941 80 9 of of IN 33941 80 10 air air NN 33941 80 11 can can MD 33941 80 12 be be VB 33941 80 13 forced force VBN 33941 80 14 into into IN 33941 80 15 gas gas NN 33941 80 16 burning burning NN 33941 80 17 at at IN 33941 80 18 the the DT 33941 80 19 mouth mouth NN 33941 80 20 of of IN 33941 80 21 the the DT 33941 80 22 blow blow NN 33941 80 23 - - HYPH 33941 80 24 pipe pipe NN 33941 80 25 _ _ NNP 33941 80 26 G G NNP 33941 80 27 _ _ NNP 33941 80 28 , , , 33941 80 29 and and CC 33941 80 30 various various JJ 33941 80 31 flames flame NNS 33941 80 32 , , , 33941 80 33 with with IN 33941 80 34 the the DT 33941 80 35 characters character NNS 33941 80 36 described describe VBN 33941 80 37 in in IN 33941 80 38 a a DT 33941 80 39 later later JJ 33941 80 40 section section NN 33941 80 41 , , , 33941 80 42 can can MD 33941 80 43 be be VB 33941 80 44 produced produce VBN 33941 80 45 with with IN 33941 80 46 this this DT 33941 80 47 instrument instrument NN 33941 80 48 . . . 33941 81 1 For for IN 33941 81 2 producing produce VBG 33941 81 3 the the DT 33941 81 4 pointed point VBN 33941 81 5 flame flame NN 33941 81 6 ( ( -LRB- 33941 81 7 Fig fig NN 33941 81 8 . . . 33941 82 1 3 3 CD 33941 82 2 , , , 33941 82 3 p. p. NN 33941 82 4 9 9 CD 33941 82 5 ) ) -RRB- 33941 82 6 the the DT 33941 82 7 opening opening NN 33941 82 8 _ _ NNP 33941 82 9 E E NNP 33941 82 10 _ _ NNP 33941 82 11 of of IN 33941 82 12 the the DT 33941 82 13 air air NN 33941 82 14 - - HYPH 33941 82 15 tube tube NN 33941 82 16 should should MD 33941 82 17 be be VB 33941 82 18 contracted contract VBN 33941 82 19 to to IN 33941 82 20 the the DT 33941 82 21 size size NN 33941 82 22 of of IN 33941 82 23 a a DT 33941 82 24 large large JJ 33941 82 25 knitting knitting NN 33941 82 26 needle needle NN 33941 82 27 . . . 33941 83 1 For for IN 33941 83 2 producing produce VBG 33941 83 3 a a DT 33941 83 4 flame flame NN 33941 83 5 of of IN 33941 83 6 large large JJ 33941 83 7 size size NN 33941 83 8 , , , 33941 83 9 rich rich JJ 33941 83 10 in in IN 33941 83 11 air air NN 33941 83 12 ( ( -LRB- 33941 83 13 Fig fig NN 33941 83 14 . . . 33941 84 1 4 4 CD 33941 84 2 , , , 33941 84 3 p. p. NN 33941 84 4 9 9 CD 33941 84 5 ) ) -RRB- 33941 84 6 , , , 33941 84 7 the the DT 33941 84 8 internal internal JJ 33941 84 9 diameter diameter NN 33941 84 10 of of IN 33941 84 11 _ _ NNP 33941 84 12 E E NNP 33941 84 13 _ _ NNP 33941 84 14 may may MD 33941 84 15 be be VB 33941 84 16 nearly nearly RB 33941 84 17 half half RB 33941 84 18 as as RB 33941 84 19 great great JJ 33941 84 20 as as IN 33941 84 21 that that DT 33941 84 22 of of IN 33941 84 23 _ _ NNP 33941 84 24 A A NNP 33941 84 25 _ _ NNP 33941 84 26 without without IN 33941 84 27 disadvantage disadvantage NN 33941 84 28 . . . 33941 85 1 This this DT 33941 85 2 blow blow NN 33941 85 3 - - HYPH 33941 85 4 pipe pipe NN 33941 85 5 may may MD 33941 85 6 be be VB 33941 85 7 fixed fix VBN 33941 85 8 in in IN 33941 85 9 position position NN 33941 85 10 by by IN 33941 85 11 the the DT 33941 85 12 spike spike NN 33941 85 13 _ _ NNP 33941 85 14 F F NNP 33941 85 15 _ _ NNP 33941 85 16 , , , 33941 85 17 which which WDT 33941 85 18 will will MD 33941 85 19 fit fit VB 33941 85 20 into into IN 33941 85 21 holes hole NNS 33941 85 22 in in IN 33941 85 23 a a DT 33941 85 24 block block NN 33941 85 25 of of IN 33941 85 26 wood wood NN 33941 85 27 or or CC 33941 85 28 a a DT 33941 85 29 large large JJ 33941 85 30 cork cork NN 33941 85 31 . . . 33941 86 1 Several several JJ 33941 86 2 of of IN 33941 86 3 these these DT 33941 86 4 holes hole NNS 33941 86 5 in in IN 33941 86 6 various various JJ 33941 86 7 positions position NNS 33941 86 8 should should MD 33941 86 9 be be VB 33941 86 10 made make VBN 33941 86 11 in in IN 33941 86 12 the the DT 33941 86 13 block block NN 33941 86 14 , , , 33941 86 15 so so IN 33941 86 16 that that IN 33941 86 17 the the DT 33941 86 18 position position NN 33941 86 19 of of IN 33941 86 20 the the DT 33941 86 21 blow blow NN 33941 86 22 - - HYPH 33941 86 23 pipe pipe NN 33941 86 24 may may MD 33941 86 25 be be VB 33941 86 26 varied vary VBN 33941 86 27 easily easily RB 33941 86 28 . . . 33941 87 1 Two two CD 33941 87 2 taps tap NNS 33941 87 3 must must MD 33941 87 4 be be VB 33941 87 5 provided provide VBN 33941 87 6 in in IN 33941 87 7 convenient convenient JJ 33941 87 8 positions position NNS 33941 87 9 near near IN 33941 87 10 the the DT 33941 87 11 edge edge NN 33941 87 12 of of IN 33941 87 13 the the DT 33941 87 14 table table NN 33941 87 15 to to TO 33941 87 16 enable enable VB 33941 87 17 the the DT 33941 87 18 workman workman NN 33941 87 19 to to TO 33941 87 20 regulate regulate VB 33941 87 21 the the DT 33941 87 22 supplies supply NNS 33941 87 23 of of IN 33941 87 24 air air NN 33941 87 25 and and CC 33941 87 26 gas gas NN 33941 87 27 . . . 33941 88 1 These these DT 33941 88 2 taps tap NNS 33941 88 3 should should MD 33941 88 4 be be VB 33941 88 5 fixed fix VBN 33941 88 6 to to IN 33941 88 7 the the DT 33941 88 8 table table NN 33941 88 9 and and CC 33941 88 10 be be VB 33941 88 11 connected connect VBN 33941 88 12 with with IN 33941 88 13 the the DT 33941 88 14 gas gas NN 33941 88 15 and and CC 33941 88 16 air air NN 33941 88 17 supplies supply NNS 33941 88 18 respectively respectively RB 33941 88 19 on on IN 33941 88 20 one one CD 33941 88 21 side side NN 33941 88 22 , , , 33941 88 23 and and CC 33941 88 24 with with IN 33941 88 25 the the DT 33941 88 26 blow blow NN 33941 88 27 - - HYPH 33941 88 28 pipe pipe NN 33941 88 29 on on IN 33941 88 30 the the DT 33941 88 31 other other JJ 33941 88 32 , , , 33941 88 33 by by IN 33941 88 34 flexible flexible JJ 33941 88 35 tubes tube NNS 33941 88 36 . . . 33941 89 1 If if IN 33941 89 2 blow blow NN 33941 89 3 - - HYPH 33941 89 4 pipes pipe NNS 33941 89 5 of of IN 33941 89 6 this this DT 33941 89 7 kind kind NN 33941 89 8 be be VB 33941 89 9 used use VBN 33941 89 10 , , , 33941 89 11 at at RB 33941 89 12 least least RBS 33941 89 13 two two CD 33941 89 14 of of IN 33941 89 15 them -PRON- PRP 33941 89 16 should should MD 33941 89 17 be be VB 33941 89 18 provided provide VBN 33941 89 19 ; ; : 33941 89 20 one one CD 33941 89 21 of of IN 33941 89 22 small small JJ 33941 89 23 dimensions dimension NNS 33941 89 24 for for IN 33941 89 25 working work VBG 33941 89 26 on on IN 33941 89 27 small small JJ 33941 89 28 tubes tube NNS 33941 89 29 and and CC 33941 89 30 joints joint NNS 33941 89 31 , , , 33941 89 32 the the DT 33941 89 33 other other JJ 33941 89 34 of of IN 33941 89 35 larger large JJR 33941 89 36 size size NN 33941 89 37 for for IN 33941 89 38 operations operation NNS 33941 89 39 on on IN 33941 89 40 larger large JJR 33941 89 41 tubes tube NNS 33941 89 42 . . . 33941 90 1 It -PRON- PRP 33941 90 2 will will MD 33941 90 3 be be VB 33941 90 4 convenient convenient JJ 33941 90 5 to to TO 33941 90 6 have have VB 33941 90 7 both both DT 33941 90 8 of of IN 33941 90 9 them -PRON- PRP 33941 90 10 ready ready JJ 33941 90 11 for for IN 33941 90 12 use use NN 33941 90 13 at at IN 33941 90 14 all all DT 33941 90 15 times time NNS 33941 90 16 , , , 33941 90 17 as as IN 33941 90 18 it -PRON- PRP 33941 90 19 is be VBZ 33941 90 20 sometimes sometimes RB 33941 90 21 necessary necessary JJ 33941 90 22 to to TO 33941 90 23 employ employ VB 33941 90 24 large large JJ 33941 90 25 and and CC 33941 90 26 small small JJ 33941 90 27 flames flame NNS 33941 90 28 on on IN 33941 90 29 the the DT 33941 90 30 same same JJ 33941 90 31 piece piece NN 33941 90 32 of of IN 33941 90 33 work work NN 33941 90 34 in in IN 33941 90 35 rapid rapid JJ 33941 90 36 succession succession NN 33941 90 37 . . . 33941 91 1 By by IN 33941 91 2 having have VBG 33941 91 3 several several JJ 33941 91 4 air air NN 33941 91 5 - - HYPH 33941 91 6 tubes tube NNS 33941 91 7 of of IN 33941 91 8 different different JJ 33941 91 9 sizes size NNS 33941 91 10 fitted fit VBN 33941 91 11 to to IN 33941 91 12 each each DT 33941 91 13 blow blow NN 33941 91 14 - - HYPH 33941 91 15 pipe pipe NN 33941 91 16 , , , 33941 91 17 a a DT 33941 91 18 greater great JJR 33941 91 19 variety variety NN 33941 91 20 of of IN 33941 91 21 work work NN 33941 91 22 may may MD 33941 91 23 be be VB 33941 91 24 done do VBN 33941 91 25 . . . 33941 92 1 For for IN 33941 92 2 the the DT 33941 92 3 larger large JJR 33941 92 4 blow blow NN 33941 92 5 - - HYPH 33941 92 6 pipe pipe NN 33941 92 7 , , , 33941 92 8 the the DT 33941 92 9 internal internal JJ 33941 92 10 diameter diameter NN 33941 92 11 of of IN 33941 92 12 _ _ NNP 33941 92 13 A A NNP 33941 92 14 _ _ NNP 33941 92 15 may may MD 33941 92 16 be be VB 33941 92 17 fifteen fifteen CD 33941 92 18 to to TO 33941 92 19 seventeen seventeen CD 33941 92 20 millimetres millimetre NNS 33941 92 21 . . . 33941 93 1 For for IN 33941 93 2 the the DT 33941 93 3 smaller small JJR 33941 93 4 instrument instrument NN 33941 93 5 , , , 33941 93 6 eleven eleven CD 33941 93 7 millimetres millimetre NNS 33941 93 8 for for IN 33941 93 9 the the DT 33941 93 10 diameter diameter NN 33941 93 11 of of IN 33941 93 12 _ _ NNP 33941 93 13 A A NNP 33941 93 14 _ _ NNP 33941 93 15 would would MD 33941 93 16 be be VB 33941 93 17 a a DT 33941 93 18 useful useful JJ 33941 93 19 size size NN 33941 93 20 . . . 33941 94 1 When when WRB 33941 94 2 a a DT 33941 94 3 slightly slightly RB 33941 94 4 greater great JJR 33941 94 5 outlay outlay NN 33941 94 6 can can MD 33941 94 7 be be VB 33941 94 8 afforded afford VBN 33941 94 9 it -PRON- PRP 33941 94 10 will will MD 33941 94 11 be be VB 33941 94 12 most most RBS 33941 94 13 convenient convenient JJ 33941 94 14 to to TO 33941 94 15 purchase purchase VB 33941 94 16 the the DT 33941 94 17 blow blow NN 33941 94 18 - - HYPH 33941 94 19 pipe pipe NN 33941 94 20 . . . 33941 95 1 They -PRON- PRP 33941 95 2 can can MD 33941 95 3 be be VB 33941 95 4 obtained obtain VBN 33941 95 5 of of IN 33941 95 6 compact compact JJ 33941 95 7 form form NN 33941 95 8 , , , 33941 95 9 supported support VBN 33941 95 10 on on IN 33941 95 11 stands stand NNS 33941 95 12 with with IN 33941 95 13 universal universal JJ 33941 95 14 joints joint NNS 33941 95 15 giving give VBG 33941 95 16 great great JJ 33941 95 17 freedom freedom NN 33941 95 18 of of IN 33941 95 19 movement movement NN 33941 95 20 , , , 33941 95 21 and and CC 33941 95 22 with with IN 33941 95 23 taps tap NNS 33941 95 24 for for IN 33941 95 25 regulating regulate VBG 33941 95 26 the the DT 33941 95 27 supplies supply NNS 33941 95 28 of of IN 33941 95 29 gas gas NN 33941 95 30 and and CC 33941 95 31 air air NN 33941 95 32 , , , 33941 95 33 at at IN 33941 95 34 comparatively comparatively RB 33941 95 35 small small JJ 33941 95 36 cost cost NN 33941 95 37 . . . 33941 96 1 As as IN 33941 96 2 figures figure NNS 33941 96 3 of of IN 33941 96 4 various various JJ 33941 96 5 blow blow NN 33941 96 6 - - HYPH 33941 96 7 pipes pipe NNS 33941 96 8 can can MD 33941 96 9 be be VB 33941 96 10 seen see VBN 33941 96 11 in in IN 33941 96 12 the the DT 33941 96 13 price price NN 33941 96 14 - - HYPH 33941 96 15 lists list NNS 33941 96 16 of of IN 33941 96 17 most most JJS 33941 96 18 dealers dealer NNS 33941 96 19 in in IN 33941 96 20 apparatus apparatus NN 33941 96 21 , , , 33941 96 22 they -PRON- PRP 33941 96 23 are be VBP 33941 96 24 not not RB 33941 96 25 given give VBN 33941 96 26 here here RB 33941 96 27 . . . 33941 97 1 Their -PRON- PRP$ 33941 97 2 introduction introduction NN 33941 97 3 would would MD 33941 97 4 be be VB 33941 97 5 of of IN 33941 97 6 but but CC 33941 97 7 little little JJ 33941 97 8 service service NN 33941 97 9 , , , 33941 97 10 for for IN 33941 97 11 the the DT 33941 97 12 construction construction NN 33941 97 13 of of IN 33941 97 14 that that DT 33941 97 15 which which WDT 33941 97 16 is be VBZ 33941 97 17 adopted adopt VBN 33941 97 18 can can MD 33941 97 19 be be VB 33941 97 20 readily readily RB 33941 97 21 ascertained ascertain VBN 33941 97 22 by by IN 33941 97 23 taking take VBG 33941 97 24 it -PRON- PRP 33941 97 25 to to IN 33941 97 26 pieces piece NNS 33941 97 27 . . . 33941 98 1 The the DT 33941 98 2 simplest simple JJS 33941 98 3 blow blow NN 33941 98 4 - - HYPH 33941 98 5 pipe pipe NN 33941 98 6 usually usually RB 33941 98 7 used use VBN 33941 98 8 for for IN 33941 98 9 glass glass NN 33941 98 10 - - HYPH 33941 98 11 working working NN 33941 98 12 is be VBZ 33941 98 13 that that DT 33941 98 14 of of IN 33941 98 15 Herapath Herapath NNP 33941 98 16 . . . 33941 99 1 This this DT 33941 99 2 has have VBZ 33941 99 3 two two CD 33941 99 4 taps tap NNS 33941 99 5 to to TO 33941 99 6 regulate regulate VB 33941 99 7 the the DT 33941 99 8 air air NN 33941 99 9 and and CC 33941 99 10 gas gas NN 33941 99 11 supplies supply NNS 33941 99 12 respectively respectively RB 33941 99 13 , , , 33941 99 14 and and CC 33941 99 15 will will MD 33941 99 16 give give VB 33941 99 17 a a DT 33941 99 18 considerable considerable JJ 33941 99 19 variety variety NN 33941 99 20 of of IN 33941 99 21 flames flame NNS 33941 99 22 , , , 33941 99 23 which which WDT 33941 99 24 will will MD 33941 99 25 be be VB 33941 99 26 discussed discuss VBN 33941 99 27 subsequently subsequently RB 33941 99 28 . . . 33941 100 1 An an DT 33941 100 2 excellent excellent JJ 33941 100 3 blow blow NN 33941 100 4 - - HYPH 33941 100 5 pipe pipe NN 33941 100 6 , , , 33941 100 7 made make VBN 33941 100 8 on on IN 33941 100 9 the the DT 33941 100 10 same same JJ 33941 100 11 principle principle NN 33941 100 12 as as IN 33941 100 13 that that DT 33941 100 14 shown show VBN 33941 100 15 in in IN 33941 100 16 Fig Fig NNP 33941 100 17 . . . 33941 101 1 1 1 CD 33941 101 2 , , , 33941 101 3 but but CC 33941 101 4 more more RBR 33941 101 5 substantially substantially RB 33941 101 6 and and CC 33941 101 7 with with IN 33941 101 8 interchangeable interchangeable JJ 33941 101 9 jets jet NNS 33941 101 10 , , , 33941 101 11 can can MD 33941 101 12 be be VB 33941 101 13 obtained obtain VBN 33941 101 14 from from IN 33941 101 15 Messrs. Messrs. NNP 33941 101 16 Muller Muller NNP 33941 101 17 of of IN 33941 101 18 Holborn Holborn NNP 33941 101 19 for for IN 33941 101 20 a a DT 33941 101 21 moderate moderate JJ 33941 101 22 outlay outlay NN 33941 101 23 . . . 33941 102 1 Another another DT 33941 102 2 very very RB 33941 102 3 good good JJ 33941 102 4 blow blow NN 33941 102 5 - - HYPH 33941 102 6 pipe pipe NN 33941 102 7 is be VBZ 33941 102 8 the the DT 33941 102 9 Automaton Automaton NNP 33941 102 10 blow blow NN 33941 102 11 - - HYPH 33941 102 12 pipe pipe NN 33941 102 13 of of IN 33941 102 14 Mr. Mr. NNP 33941 102 15 Fletcher Fletcher NNP 33941 102 16 of of IN 33941 102 17 Warrington Warrington NNP 33941 102 18 . . . 33941 103 1 In in IN 33941 103 2 this this DT 33941 103 3 , , , 33941 103 4 one one CD 33941 103 5 tap tap NN 33941 103 6 regulates regulate VBZ 33941 103 7 the the DT 33941 103 8 supply supply NN 33941 103 9 both both DT 33941 103 10 of of IN 33941 103 11 air air NN 33941 103 12 and and CC 33941 103 13 gas gas NN 33941 103 14 , , , 33941 103 15 which which WDT 33941 103 16 is be VBZ 33941 103 17 a a DT 33941 103 18 great great JJ 33941 103 19 gain gain NN 33941 103 20 when when WRB 33941 103 21 difficult difficult JJ 33941 103 22 work work NN 33941 103 23 is be VBZ 33941 103 24 in in IN 33941 103 25 hand hand NN 33941 103 26 . . . 33941 104 1 Automaton Automaton NNP 33941 104 2 blow blow NN 33941 104 3 - - HYPH 33941 104 4 pipes pipe NNS 33941 104 5 are be VBP 33941 104 6 made make VBN 33941 104 7 of of IN 33941 104 8 two two CD 33941 104 9 sizes size NNS 33941 104 10 . . . 33941 105 1 I -PRON- PRP 33941 105 2 have have VBP 33941 105 3 found find VBN 33941 105 4 that that IN 33941 105 5 the the DT 33941 105 6 larger large JJR 33941 105 7 size size NN 33941 105 8 , , , 33941 105 9 with with IN 33941 105 10 a a DT 33941 105 11 powerful powerful JJ 33941 105 12 bellows bellow NNS 33941 105 13 , , , 33941 105 14 heats heat VBZ 33941 105 15 large large JJ 33941 105 16 pieces piece NNS 33941 105 17 of of IN 33941 105 18 lead lead NN 33941 105 19 glass glass NN 33941 105 20 very very RB 33941 105 21 satisfactorily satisfactorily RB 33941 105 22 . . . 33941 106 1 On on IN 33941 106 2 the the DT 33941 106 3 other other JJ 33941 106 4 hand hand NN 33941 106 5 , , , 33941 106 6 the the DT 33941 106 7 fine fine RB 33941 106 8 - - HYPH 33941 106 9 pointed point VBN 33941 106 10 oxidising oxidising JJ 33941 106 11 flame flame NN 33941 106 12 of of IN 33941 106 13 the the DT 33941 106 14 Herapath Herapath NNP 33941 106 15 blow blow NN 33941 106 16 - - HYPH 33941 106 17 pipe pipe NN 33941 106 18 is be VBZ 33941 106 19 , , , 33941 106 20 perhaps perhaps RB 33941 106 21 , , , 33941 106 22 the the DT 33941 106 23 most most RBS 33941 106 24 suitable suitable JJ 33941 106 25 for for IN 33941 106 26 working work VBG 33941 106 27 joints joint NNS 33941 106 28 of of IN 33941 106 29 lead lead JJ 33941 106 30 glass glass NN 33941 106 31 . . . 33941 107 1 Therefore therefore RB 33941 107 2 a a DT 33941 107 3 good good JJ 33941 107 4 equipment equipment NN 33941 107 5 would would MD 33941 107 6 be be VB 33941 107 7 a a DT 33941 107 8 small small JJ 33941 107 9 Herapath Herapath NNP 33941 107 10 blow blow NN 33941 107 11 - - HYPH 33941 107 12 pipe pipe NN 33941 107 13 and and CC 33941 107 14 a a DT 33941 107 15 large large JJ 33941 107 16 - - HYPH 33941 107 17 sized sized JJ 33941 107 18 Automaton Automaton NNP 33941 107 19 . . . 33941 108 1 If if IN 33941 108 2 only only RB 33941 108 3 one one CD 33941 108 4 blow blow NN 33941 108 5 - - HYPH 33941 108 6 pipe pipe NN 33941 108 7 is be VBZ 33941 108 8 purchased purchase VBN 33941 108 9 it -PRON- PRP 33941 108 10 should should MD 33941 108 11 be be VB 33941 108 12 either either CC 33941 108 13 a a DT 33941 108 14 medium medium NN 33941 108 15 - - HYPH 33941 108 16 sized sized JJ 33941 108 17 Herapath Herapath NNP 33941 108 18 , , , 33941 108 19 or or CC 33941 108 20 the the DT 33941 108 21 smaller small JJR 33941 108 22 Automaton Automaton NNP 33941 108 23 , , , 33941 108 24 as as IN 33941 108 25 those those DT 33941 108 26 are be VBP 33941 108 27 most most RBS 33941 108 28 useful useful JJ 33941 108 29 for for IN 33941 108 30 general general JJ 33941 108 31 work work NN 33941 108 32 . . . 33941 109 1 Mr. Mr. NNP 33941 109 2 Fletcher Fletcher NNP 33941 109 3 also also RB 33941 109 4 makes make VBZ 33941 109 5 an an DT 33941 109 6 ingenious ingenious JJ 33941 109 7 combination combination NN 33941 109 8 of of IN 33941 109 9 two two CD 33941 109 10 blow blow NN 33941 109 11 - - HYPH 33941 109 12 pipes pipe NNS 33941 109 13 in in IN 33941 109 14 which which WDT 33941 109 15 the the DT 33941 109 16 gas gas NN 33941 109 17 and and CC 33941 109 18 air air NN 33941 109 19 supplies supply NNS 33941 109 20 are be VBP 33941 109 21 regulated regulate VBN 33941 109 22 by by IN 33941 109 23 a a DT 33941 109 24 single single JJ 33941 109 25 lever lever NN 33941 109 26 - - HYPH 33941 109 27 handle handle NN 33941 109 28 . . . 33941 110 1 This this DT 33941 110 2 is be VBZ 33941 110 3 very very RB 33941 110 4 convenient convenient JJ 33941 110 5 , , , 33941 110 6 and and CC 33941 110 7 gives give VBZ 33941 110 8 flames flame NNS 33941 110 9 that that WDT 33941 110 10 answer answer VBP 33941 110 11 well well RB 33941 110 12 with with IN 33941 110 13 tubes tube NNS 33941 110 14 made make VBN 33941 110 15 of of IN 33941 110 16 soft soft JJ 33941 110 17 soda soda NN 33941 110 18 glass glass NN 33941 110 19 , , , 33941 110 20 and and CC 33941 110 21 it -PRON- PRP 33941 110 22 is be VBZ 33941 110 23 very very RB 33941 110 24 useful useful JJ 33941 110 25 for for IN 33941 110 26 general general JJ 33941 110 27 work work NN 33941 110 28 . . . 33941 111 1 For for IN 33941 111 2 use use NN 33941 111 3 with with IN 33941 111 4 lead lead JJ 33941 111 5 glass glass NN 33941 111 6 the the DT 33941 111 7 supply supply NN 33941 111 8 of of IN 33941 111 9 air air NN 33941 111 10 is be VBZ 33941 111 11 rather rather RB 33941 111 12 too too RB 33941 111 13 small small JJ 33941 111 14 , , , 33941 111 15 and and CC 33941 111 16 does do VBZ 33941 111 17 not not RB 33941 111 18 enable enable VB 33941 111 19 one one PRP 33941 111 20 to to TO 33941 111 21 get get VB 33941 111 22 such such JJ 33941 111 23 good good JJ 33941 111 24 results result NNS 33941 111 25 . . . 33941 112 1 This this DT 33941 112 2 can can MD 33941 112 3 be be VB 33941 112 4 easily easily RB 33941 112 5 amended amend VBN 33941 112 6 , , , 33941 112 7 however however RB 33941 112 8 . . . 33941 113 1 By by IN 33941 113 2 slightly slightly RB 33941 113 3 increasing increase VBG 33941 113 4 the the DT 33941 113 5 size size NN 33941 113 6 of of IN 33941 113 7 the the DT 33941 113 8 air air NN 33941 113 9 - - HYPH 33941 113 10 tube tube NN 33941 113 11 of of IN 33941 113 12 the the DT 33941 113 13 smaller small JJR 33941 113 14 blow blow NN 33941 113 15 - - HYPH 33941 113 16 pipe pipe NN 33941 113 17 , , , 33941 113 18 and and CC 33941 113 19 having have VBG 33941 113 20 increased increase VBN 33941 113 21 the the DT 33941 113 22 supply supply NN 33941 113 23 of of IN 33941 113 24 air air NN 33941 113 25 to to IN 33941 113 26 the the DT 33941 113 27 larger large JJR 33941 113 28 blow blow NN 33941 113 29 - - HYPH 33941 113 30 pipe pipe NN 33941 113 31 also also RB 33941 113 32 , , , 33941 113 33 by by IN 33941 113 34 reducing reduce VBG 33941 113 35 the the DT 33941 113 36 external external JJ 33941 113 37 diameter diameter NN 33941 113 38 of of IN 33941 113 39 the the DT 33941 113 40 end end NN 33941 113 41 of of IN 33941 113 42 the the DT 33941 113 43 innermost innermost JJS 33941 113 44 tube tube NN 33941 113 45 , , , 33941 113 46 I -PRON- PRP 33941 113 47 now now RB 33941 113 48 get get VBP 33941 113 49 medium medium JJ 33941 113 50 - - HYPH 33941 113 51 sized sized JJ 33941 113 52 brush brush NN 33941 113 53 flames flame NNS 33941 113 54 and and CC 33941 113 55 pointed point VBD 33941 113 56 flames flame NNS 33941 113 57 with with IN 33941 113 58 this this DT 33941 113 59 blow blow NN 33941 113 60 - - HYPH 33941 113 61 pipe pipe NN 33941 113 62 , , , 33941 113 63 that that WDT 33941 113 64 are be VBP 33941 113 65 equal equal JJ 33941 113 66 to to IN 33941 113 67 any any DT 33941 113 68 I -PRON- PRP 33941 113 69 have have VBP 33941 113 70 used use VBN 33941 113 71 for for IN 33941 113 72 heating heating NN 33941 113 73 lead lead NN 33941 113 74 glass glass NN 33941 113 75 . . . 33941 114 1 For for IN 33941 114 2 small small JJ 33941 114 3 laboratories laboratory NNS 33941 114 4 the the DT 33941 114 5 inexpensive inexpensive JJ 33941 114 6 No no NN 33941 114 7 . . . 33941 115 1 5 5 CD 33941 115 2 Bunsen bunsen JJ 33941 115 3 burner burner NN 33941 115 4 of of IN 33941 115 5 Mr. Mr. NNP 33941 115 6 Fletcher Fletcher NNP 33941 115 7 , , , 33941 115 8 which which WDT 33941 115 9 is be VBZ 33941 115 10 convertible convertible JJ 33941 115 11 into into IN 33941 115 12 a a DT 33941 115 13 blow blow NN 33941 115 14 - - HYPH 33941 115 15 pipe pipe NN 33941 115 16 , , , 33941 115 17 will will MD 33941 115 18 be be VB 33941 115 19 very very RB 33941 115 20 useful useful JJ 33941 115 21 . . . 33941 116 1 Jets jet NNS 33941 116 2 of of IN 33941 116 3 several several JJ 33941 116 4 sizes size NNS 33941 116 5 to to TO 33941 116 6 fit fit VB 33941 116 7 the the DT 33941 116 8 air air NN 33941 116 9 - - HYPH 33941 116 10 tubes tube NNS 33941 116 11 of of IN 33941 116 12 blow blow NN 33941 116 13 - - HYPH 33941 116 14 pipes pipe NNS 33941 116 15 may may MD 33941 116 16 be be VB 33941 116 17 obtained obtain VBN 33941 116 18 with with IN 33941 116 19 them -PRON- PRP 33941 116 20 , , , 33941 116 21 and and CC 33941 116 22 will will MD 33941 116 23 serve serve VB 33941 116 24 for for IN 33941 116 25 regulating regulate VBG 33941 116 26 the the DT 33941 116 27 supply supply NN 33941 116 28 of of IN 33941 116 29 air air NN 33941 116 30 to to IN 33941 116 31 the the DT 33941 116 32 flame flame NN 33941 116 33 . . . 33941 117 1 = = NFP 33941 117 2 The the DT 33941 117 3 Bellows.=--The Bellows.=--The NNP 33941 117 4 usual usual JJ 33941 117 5 blowing blowing NN 33941 117 6 apparatus apparatus NN 33941 117 7 is be VBZ 33941 117 8 some some DT 33941 117 9 form form NN 33941 117 10 of of IN 33941 117 11 foot foot NN 33941 117 12 - - HYPH 33941 117 13 blower blower NN 33941 117 14 . . . 33941 118 1 These these DT 33941 118 2 may may MD 33941 118 3 be be VB 33941 118 4 obtained obtain VBN 33941 118 5 fitted fit VBN 33941 118 6 to to IN 33941 118 7 small small JJ 33941 118 8 tables table NNS 33941 118 9 with with IN 33941 118 10 sheet sheet NN 33941 118 11 - - HYPH 33941 118 12 iron iron NN 33941 118 13 tops top NNS 33941 118 14 . . . 33941 119 1 But but CC 33941 119 2 a a DT 33941 119 3 much much RB 33941 119 4 less less RBR 33941 119 5 expensive expensive JJ 33941 119 6 apparatus apparatus NN 33941 119 7 is be VBZ 33941 119 8 the the DT 33941 119 9 large large JJ 33941 119 10 foot foot NN 33941 119 11 - - HYPH 33941 119 12 blower blower NN 33941 119 13 made make VBN 33941 119 14 by by IN 33941 119 15 Mr. Mr. NNP 33941 119 16 Fletcher Fletcher NNP 33941 119 17 of of IN 33941 119 18 Warrington Warrington NNP 33941 119 19 , , , 33941 119 20 which which WDT 33941 119 21 can can MD 33941 119 22 be be VB 33941 119 23 used use VBN 33941 119 24 at at IN 33941 119 25 an an DT 33941 119 26 ordinary ordinary JJ 33941 119 27 table table NN 33941 119 28 or or CC 33941 119 29 laboratory laboratory NN 33941 119 30 bench bench NN 33941 119 31 . . . 33941 120 1 Good good JJ 33941 120 2 foot foot NN 33941 120 3 - - HYPH 33941 120 4 blowers blower NNS 33941 120 5 can can MD 33941 120 6 also also RB 33941 120 7 be be VB 33941 120 8 obtained obtain VBN 33941 120 9 from from IN 33941 120 10 makers maker NNS 33941 120 11 of of IN 33941 120 12 furnace furnace NN 33941 120 13 bellows bellow NNS 33941 120 14 . . . 33941 121 1 No no DT 33941 121 2 part part NN 33941 121 3 of of IN 33941 121 4 the the DT 33941 121 5 glass glass NN 33941 121 6 - - HYPH 33941 121 7 blower blower NN 33941 121 8 's 's POS 33941 121 9 equipment equipment NN 33941 121 10 exceeds exceed VBZ 33941 121 11 the the DT 33941 121 12 bellows bellow NNS 33941 121 13 in in IN 33941 121 14 importance importance NN 33941 121 15 . . . 33941 122 1 The the DT 33941 122 2 best good JJS 33941 122 3 blower blower NN 33941 122 4 procurable procurable NN 33941 122 5 should should MD 33941 122 6 therefore therefore RB 33941 122 7 be be VB 33941 122 8 adopted adopt VBN 33941 122 9 . . . 33941 123 1 A a DT 33941 123 2 bellows bellow NNS 33941 123 3 which which WDT 33941 123 4 , , , 33941 123 5 when when WRB 33941 123 6 used use VBN 33941 123 7 with with IN 33941 123 8 a a DT 33941 123 9 large large JJ 33941 123 10 blow blow NN 33941 123 11 - - HYPH 33941 123 12 pipe pipe NN 33941 123 13 , , , 33941 123 14 will will MD 33941 123 15 not not RB 33941 123 16 enable enable VB 33941 123 17 you -PRON- PRP 33941 123 18 to to TO 33941 123 19 heat heat VB 33941 123 20 large large JJ 33941 123 21 pieces piece NNS 33941 123 22 of of IN 33941 123 23 lead lead JJ 33941 123 24 glass glass NN 33941 123 25 tube tube NN 33941 123 26 to to TO 33941 123 27 redness redness NN 33941 123 28 without without IN 33941 123 29 blackening blacken VBG 33941 123 30 the the DT 33941 123 31 glass glass NN 33941 123 32 when when WRB 33941 123 33 the the DT 33941 123 34 directions direction NNS 33941 123 35 for for IN 33941 123 36 heating heating NN 33941 123 37 lead lead NN 33941 123 38 glass glass NN 33941 123 39 on on IN 33941 123 40 pages page NNS 33941 123 41 17 17 CD 33941 123 42 - - SYM 33941 123 43 21 21 CD 33941 123 44 are be VBP 33941 123 45 followed follow VBN 33941 123 46 , , , 33941 123 47 should should MD 33941 123 48 on on IN 33941 123 49 no no DT 33941 123 50 account account NN 33941 123 51 be be VB 33941 123 52 received receive VBN 33941 123 53 . . . 33941 124 1 I -PRON- PRP 33941 124 2 am be VBP 33941 124 3 told tell VBN 33941 124 4 that that IN 33941 124 5 at at IN 33941 124 6 some some DT 33941 124 7 places place NNS 33941 124 8 , , , 33941 124 9 where where WRB 33941 124 10 the the DT 33941 124 11 water water NN 33941 124 12 - - HYPH 33941 124 13 supply supply NN 33941 124 14 is be VBZ 33941 124 15 at at IN 33941 124 16 very very RB 33941 124 17 high high JJ 33941 124 18 pressure pressure NN 33941 124 19 , , , 33941 124 20 it -PRON- PRP 33941 124 21 is be VBZ 33941 124 22 utilised utilised JJ 33941 124 23 for for IN 33941 124 24 working work VBG 33941 124 25 blow blow NN 33941 124 26 - - HYPH 33941 124 27 pipes pipe NNS 33941 124 28 by by IN 33941 124 29 means mean NNS 33941 124 30 of of IN 33941 124 31 the the DT 33941 124 32 apparatus apparatus NN 33941 124 33 described describe VBN 33941 124 34 below below RB 33941 124 35 , , , 33941 124 36 and and CC 33941 124 37 that that IN 33941 124 38 some some DT 33941 124 39 glass glass NN 33941 124 40 - - HYPH 33941 124 41 workers worker NNS 33941 124 42 find find VBP 33941 124 43 it -PRON- PRP 33941 124 44 advantageous advantageous JJ 33941 124 45 to to TO 33941 124 46 use use VB 33941 124 47 such such JJ 33941 124 48 automatic automatic JJ 33941 124 49 blowers blower NNS 33941 124 50 . . . 33941 125 1 But but CC 33941 125 2 after after IN 33941 125 3 a a DT 33941 125 4 little little JJ 33941 125 5 practice practice NN 33941 125 6 , , , 33941 125 7 the the DT 33941 125 8 effort effort NN 33941 125 9 of of IN 33941 125 10 working work VBG 33941 125 11 the the DT 33941 125 12 blower blower NN 33941 125 13 with with IN 33941 125 14 the the DT 33941 125 15 foot foot NN 33941 125 16 whilst whilst IN 33941 125 17 manipulating manipulate VBG 33941 125 18 the the DT 33941 125 19 glass glass NN 33941 125 20 is be VBZ 33941 125 21 not not RB 33941 125 22 a a DT 33941 125 23 source source NN 33941 125 24 of of IN 33941 125 25 serious serious JJ 33941 125 26 inconvenience inconvenience NN 33941 125 27 . . . 33941 126 1 Indeed indeed RB 33941 126 2 , , , 33941 126 3 as as IN 33941 126 4 it -PRON- PRP 33941 126 5 gives give VBZ 33941 126 6 a a DT 33941 126 7 certain certain JJ 33941 126 8 degree degree NN 33941 126 9 of of IN 33941 126 10 control control NN 33941 126 11 over over IN 33941 126 12 the the DT 33941 126 13 flame flame NN 33941 126 14 without without IN 33941 126 15 the the DT 33941 126 16 use use NN 33941 126 17 of of IN 33941 126 18 the the DT 33941 126 19 hands hand NNS 33941 126 20 , , , 33941 126 21 the the DT 33941 126 22 foot foot NN 33941 126 23 - - HYPH 33941 126 24 blower blower NN 33941 126 25 is be VBZ 33941 126 26 preferable preferable JJ 33941 126 27 . . . 33941 127 1 It -PRON- PRP 33941 127 2 is be VBZ 33941 127 3 worth worth JJ 33941 127 4 while while IN 33941 127 5 to to TO 33941 127 6 describe describe VB 33941 127 7 an an DT 33941 127 8 automatic automatic JJ 33941 127 9 blower blower NN 33941 127 10 , , , 33941 127 11 however however RB 33941 127 12 . . . 33941 128 1 = = NFP 33941 128 2 Automatic automatic JJ 33941 128 3 Blower= Blower= NNS 33941 128 4 ( ( -LRB- 33941 128 5 Fig fig NN 33941 128 6 . . . 33941 129 1 2).--A 2).--a CD 33941 129 2 strong strong JJ 33941 129 3 glass glass NN 33941 129 4 tube tube NN 33941 129 5 _ _ NNP 33941 129 6 A A NNP 33941 129 7 _ _ NNP 33941 129 8 is be VBZ 33941 129 9 welded weld VBN 33941 129 10 into into IN 33941 129 11 a a DT 33941 129 12 somewhat somewhat RB 33941 129 13 larger large JJR 33941 129 14 tube tube NN 33941 129 15 _ _ NNP 33941 129 16 B B NNP 33941 129 17 _ _ NNP 33941 129 18 so so IN 33941 129 19 that that IN 33941 129 20 its -PRON- PRP$ 33941 129 21 end end NN 33941 129 22 is be VBZ 33941 129 23 about about RB 33941 129 24 2 2 CD 33941 129 25 mm mm CD 33941 129 26 . . . 33941 130 1 from from IN 33941 130 2 the the DT 33941 130 3 contraction contraction NN 33941 130 4 at at IN 33941 130 5 _ _ NNP 33941 130 6 G G NNP 33941 130 7 _ _ NNP 33941 130 8 . . . 33941 131 1 _ _ NNP 33941 131 2 B B NNP 33941 131 3 _ _ NNP 33941 131 4 has have VBZ 33941 131 5 a a DT 33941 131 6 side side NN 33941 131 7 tube tube NN 33941 131 8 _ _ NNP 33941 131 9 C C NNP 33941 131 10 _ _ NNP 33941 131 11 joined join VBD 33941 131 12 to to IN 33941 131 13 it -PRON- PRP 33941 131 14 . . . 33941 132 1 The the DT 33941 132 2 narrow narrow JJ 33941 132 3 end end NN 33941 132 4 of of IN 33941 132 5 _ _ NNP 33941 132 6 B B NNP 33941 132 7 _ _ NNP 33941 132 8 is be VBZ 33941 132 9 fixed fix VBN 33941 132 10 by by IN 33941 132 11 an an DT 33941 132 12 india india NNP 33941 132 13 - - HYPH 33941 132 14 rubber rubber NN 33941 132 15 cork cork NN 33941 132 16 to to IN 33941 132 17 a a DT 33941 132 18 strong strong JJ 33941 132 19 bottle bottle NN 33941 132 20 _ _ NNP 33941 132 21 D D NNP 33941 132 22 _ _ NNP 33941 132 23 of of IN 33941 132 24 two two CD 33941 132 25 or or CC 33941 132 26 three three CD 33941 132 27 litres litre NNS 33941 132 28 capacity capacity NN 33941 132 29 . . . 33941 133 1 The the DT 33941 133 2 india india NNP 33941 133 3 - - HYPH 33941 133 4 rubber rubber NNP 33941 133 5 cork cork NN 33941 133 6 also also RB 33941 133 7 carries carry VBZ 33941 133 8 an an DT 33941 133 9 exit exit NN 33941 133 10 tube tube NN 33941 133 11 _ _ NNP 33941 133 12 E E NNP 33941 133 13 _ _ NNP 33941 133 14 , , , 33941 133 15 and and CC 33941 133 16 _ _ NNP 33941 133 17 D D NNP 33941 133 18 _ _ NNP 33941 133 19 is be VBZ 33941 133 20 pierced pierce VBN 33941 133 21 near near IN 33941 133 22 its -PRON- PRP$ 33941 133 23 bottom bottom NN 33941 133 24 by by IN 33941 133 25 a a DT 33941 133 26 small small JJ 33941 133 27 hole hole NN 33941 133 28 at at IN 33941 133 29 _ _ NNP 33941 133 30 F F NNP 33941 133 31 _ _ NNP 33941 133 32 . . . 33941 134 1 [ [ -LRB- 33941 134 2 Illustration illustration NN 33941 134 3 : : : 33941 134 4 FIG FIG NNP 33941 134 5 . . . 33941 135 1 2 2 LS 33941 135 2 ] ] -RRB- 33941 135 3 In in IN 33941 135 4 using use VBG 33941 135 5 the the DT 33941 135 6 apparatus apparatus NN 33941 135 7 _ _ NNP 33941 135 8 A A NNP 33941 135 9 _ _ NNP 33941 135 10 is be VBZ 33941 135 11 connected connect VBN 33941 135 12 with with IN 33941 135 13 the the DT 33941 135 14 water water NN 33941 135 15 - - HYPH 33941 135 16 supply supply NN 33941 135 17 , , , 33941 135 18 and and CC 33941 135 19 water water NN 33941 135 20 passing pass VBG 33941 135 21 through through IN 33941 135 22 _ _ NNP 33941 135 23 G G NNP 33941 135 24 _ _ NNP 33941 135 25 , , , 33941 135 26 carries carry VBZ 33941 135 27 air air NN 33941 135 28 with with IN 33941 135 29 it -PRON- PRP 33941 135 30 into into IN 33941 135 31 _ _ NNP 33941 135 32 D D NNP 33941 135 33 _ _ NNP 33941 135 34 . . . 33941 136 1 The the DT 33941 136 2 water water NN 33941 136 3 escapes escape VBZ 33941 136 4 from from IN 33941 136 5 _ _ NNP 33941 136 6 D D NNP 33941 136 7 _ _ NNP 33941 136 8 by by IN 33941 136 9 the the DT 33941 136 10 opening opening NN 33941 136 11 at at IN 33941 136 12 _ _ NNP 33941 136 13 F F NNP 33941 136 14 _ _ NNP 33941 136 15 , , , 33941 136 16 and and CC 33941 136 17 the the DT 33941 136 18 air air NN 33941 136 19 is be VBZ 33941 136 20 allowed allow VBN 33941 136 21 to to TO 33941 136 22 pass pass VB 33941 136 23 out out RP 33941 136 24 by by IN 33941 136 25 the the DT 33941 136 26 tube tube NN 33941 136 27 _ _ NNP 33941 136 28 E E NNP 33941 136 29 _ _ NNP 33941 136 30 , , , 33941 136 31 its -PRON- PRP$ 33941 136 32 passage passage NN 33941 136 33 being be VBG 33941 136 34 regulated regulate VBN 33941 136 35 by by IN 33941 136 36 a a DT 33941 136 37 tap tap NN 33941 136 38 . . . 33941 137 1 Fresh fresh JJ 33941 137 2 supplies supply NNS 33941 137 3 of of IN 33941 137 4 air air NN 33941 137 5 enter enter VBP 33941 137 6 _ _ NNP 33941 137 7 B B NNP 33941 137 8 _ _ NNP 33941 137 9 by by IN 33941 137 10 _ _ NNP 33941 137 11 C C NNP 33941 137 12 _ _ NNP 33941 137 13 . . . 33941 138 1 = = NFP 33941 138 2 Blow blow NN 33941 138 3 - - HYPH 33941 138 4 pipe pipe NN 33941 138 5 Flames=--_The Flames=--_The NNP 33941 138 6 Pointed point VBN 33941 138 7 Flame._--If Flame._--If NNP 33941 138 8 the the DT 33941 138 9 gas gas NN 33941 138 10 tap tap NN 33941 138 11 of of IN 33941 138 12 a a DT 33941 138 13 Herapath Herapath NNP 33941 138 14 blow blow NN 33941 138 15 - - HYPH 33941 138 16 pipe pipe NN 33941 138 17 be be VB 33941 138 18 adjusted adjust VBN 33941 138 19 so so IN 33941 138 20 that that IN 33941 138 21 comparatively comparatively RB 33941 138 22 little little JJ 33941 138 23 gas gas NN 33941 138 24 can can MD 33941 138 25 pass pass VB 33941 138 26 , , , 33941 138 27 and and CC 33941 138 28 if if IN 33941 138 29 the the DT 33941 138 30 foot foot NN 33941 138 31 - - HYPH 33941 138 32 blower blower NN 33941 138 33 be be VB 33941 138 34 then then RB 33941 138 35 worked work VBN 33941 138 36 cautiously cautiously RB 33941 138 37 , , , 33941 138 38 a a DT 33941 138 39 long long JJ 33941 138 40 tongue tongue NN 33941 138 41 of of IN 33941 138 42 flame flame NN 33941 138 43 ending ending NN 33941 138 44 in in IN 33941 138 45 a a DT 33941 138 46 fine fine JJ 33941 138 47 point point NN 33941 138 48 will will MD 33941 138 49 be be VB 33941 138 50 produced produce VBN 33941 138 51 ( ( -LRB- 33941 138 52 Fig fig NN 33941 138 53 . . . 33941 139 1 3 3 LS 33941 139 2 ) ) -RRB- 33941 139 3 . . . 33941 140 1 This this DT 33941 140 2 flame flame NN 33941 140 3 will will MD 33941 140 4 subsequently subsequently RB 33941 140 5 be be VB 33941 140 6 described describe VBN 33941 140 7 as as IN 33941 140 8 the the DT 33941 140 9 _ _ NNP 33941 140 10 pointed point VBD 33941 140 11 flame flame NN 33941 140 12 _ _ NNP 33941 140 13 . . . 33941 141 1 It -PRON- PRP 33941 141 2 should should MD 33941 141 3 be be VB 33941 141 4 quite quite RB 33941 141 5 free free JJ 33941 141 6 from from IN 33941 141 7 luminosity luminosity NN 33941 141 8 , , , 33941 141 9 and and CC 33941 141 10 as as IN 33941 141 11 the the DT 33941 141 12 amount amount NN 33941 141 13 of of IN 33941 141 14 air air NN 33941 141 15 necessary necessary JJ 33941 141 16 for for IN 33941 141 17 securing secure VBG 33941 141 18 a a DT 33941 141 19 pointed pointed JJ 33941 141 20 flame flame NN 33941 141 21 is be VBZ 33941 141 22 large large JJ 33941 141 23 , , , 33941 141 24 in in IN 33941 141 25 proportion proportion NN 33941 141 26 to to IN 33941 141 27 the the DT 33941 141 28 gas gas NN 33941 141 29 , , , 33941 141 30 there there EX 33941 141 31 is be VBZ 33941 141 32 excess excess NN 33941 141 33 of of IN 33941 141 34 oxygen oxygen NN 33941 141 35 towards towards IN 33941 141 36 the the DT 33941 141 37 end end NN 33941 141 38 _ _ NNP 33941 141 39 C C NNP 33941 141 40 _ _ NNP 33941 141 41 . . . 33941 142 1 By by IN 33941 142 2 adjusting adjust VBG 33941 142 3 the the DT 33941 142 4 proportions proportion NNS 33941 142 5 of of IN 33941 142 6 air air NN 33941 142 7 and and CC 33941 142 8 gas gas NN 33941 142 9 , , , 33941 142 10 pointed point VBD 33941 142 11 flames flame NNS 33941 142 12 of of IN 33941 142 13 various various JJ 33941 142 14 dimensions dimension NNS 33941 142 15 can can MD 33941 142 16 be be VB 33941 142 17 obtained obtain VBN 33941 142 18 with with IN 33941 142 19 the the DT 33941 142 20 same same JJ 33941 142 21 blow blow NN 33941 142 22 - - HYPH 33941 142 23 pipe pipe NN 33941 142 24 . . . 33941 143 1 The the DT 33941 143 2 part part NN 33941 143 3 of of IN 33941 143 4 a a DT 33941 143 5 pointed point VBN 33941 143 6 flame flame NN 33941 143 7 to to TO 33941 143 8 be be VB 33941 143 9 used use VBN 33941 143 10 in in IN 33941 143 11 glass glass NN 33941 143 12 - - HYPH 33941 143 13 working working NN 33941 143 14 is be VBZ 33941 143 15 the the DT 33941 143 16 tip tip NN 33941 143 17 , , , 33941 143 18 or or CC 33941 143 19 in in IN 33941 143 20 some some DT 33941 143 21 cases case NNS 33941 143 22 the the DT 33941 143 23 space space NN 33941 143 24 slightly slightly RB 33941 143 25 beyond beyond IN 33941 143 26 the the DT 33941 143 27 tip tip NN 33941 143 28 . . . 33941 144 1 [ [ -LRB- 33941 144 2 Illustration illustration NN 33941 144 3 : : : 33941 144 4 FIG FIG NNP 33941 144 5 . . . 33941 145 1 3 3 LS 33941 145 2 . . . 33941 145 3 ] ] -RRB- 33941 146 1 [ [ -LRB- 33941 146 2 Illustration illustration NN 33941 146 3 : : : 33941 146 4 FIG FIG NNP 33941 146 5 . . . 33941 147 1 4 4 LS 33941 147 2 . . . 33941 147 3 ] ] -RRB- 33941 148 1 _ _ NNP 33941 148 2 The the DT 33941 148 3 Brush Brush NNP 33941 148 4 Flame._--If flame._--if VBP 33941 148 5 a a DT 33941 148 6 large large JJ 33941 148 7 supply supply NN 33941 148 8 of of IN 33941 148 9 gas gas NN 33941 148 10 be be VB 33941 148 11 turned turn VBN 33941 148 12 on on RP 33941 148 13 and and CC 33941 148 14 a a DT 33941 148 15 considerable considerable JJ 33941 148 16 blast blast NN 33941 148 17 of of IN 33941 148 18 air air NN 33941 148 19 sent send VBN 33941 148 20 into into IN 33941 148 21 the the DT 33941 148 22 flame flame NN 33941 148 23 , , , 33941 148 24 a a DT 33941 148 25 non non JJ 33941 148 26 - - JJ 33941 148 27 luminous luminous JJ 33941 148 28 flame flame NN 33941 148 29 of of IN 33941 148 30 great great JJ 33941 148 31 size size NN 33941 148 32 will will MD 33941 148 33 be be VB 33941 148 34 obtained obtain VBN 33941 148 35 ( ( -LRB- 33941 148 36 Fig fig NN 33941 148 37 . . . 33941 149 1 4 4 LS 33941 149 2 ) ) -RRB- 33941 149 3 . . . 33941 150 1 In in IN 33941 150 2 form form NN 33941 150 3 it -PRON- PRP 33941 150 4 somewhat somewhat RB 33941 150 5 resembles resemble VBZ 33941 150 6 a a DT 33941 150 7 large large JJ 33941 150 8 camel camel NN 33941 150 9 's 's POS 33941 150 10 hair hair NN 33941 150 11 pencil pencil NN 33941 150 12 , , , 33941 150 13 and and CC 33941 150 14 may may MD 33941 150 15 conveniently conveniently RB 33941 150 16 be be VB 33941 150 17 described describe VBN 33941 150 18 as as IN 33941 150 19 a a DT 33941 150 20 _ _ NNP 33941 150 21 brush brush NN 33941 150 22 flame flame NN 33941 150 23 _ _ NNP 33941 150 24 . . . 33941 151 1 The the DT 33941 151 2 chief chief JJ 33941 151 3 advantage advantage NN 33941 151 4 of of IN 33941 151 5 a a DT 33941 151 6 large large JJ 33941 151 7 - - HYPH 33941 151 8 sized sized JJ 33941 151 9 blow blow NN 33941 151 10 - - HYPH 33941 151 11 pipe pipe NN 33941 151 12 is be VBZ 33941 151 13 , , , 33941 151 14 that that IN 33941 151 15 with with IN 33941 151 16 it -PRON- PRP 33941 151 17 a a DT 33941 151 18 large large JJ 33941 151 19 brush brush NN 33941 151 20 flame flame NN 33941 151 21 may may MD 33941 151 22 be be VB 33941 151 23 produced produce VBN 33941 151 24 , , , 33941 151 25 which which WDT 33941 151 26 is be VBZ 33941 151 27 often often RB 33941 151 28 invaluable invaluable JJ 33941 151 29 . . . 33941 152 1 By by IN 33941 152 2 gradually gradually RB 33941 152 3 diminishing diminish VBG 33941 152 4 the the DT 33941 152 5 supply supply NN 33941 152 6 of of IN 33941 152 7 gas gas NN 33941 152 8 and and CC 33941 152 9 air air NN 33941 152 10 smaller small JJR 33941 152 11 brush brush NN 33941 152 12 flames flame NNS 33941 152 13 may may MD 33941 152 14 be be VB 33941 152 15 produced produce VBN 33941 152 16 . . . 33941 153 1 The the DT 33941 153 2 jet jet NN 33941 153 3 used use VBD 33941 153 4 to to TO 33941 153 5 supply supply VB 33941 153 6 air air NN 33941 153 7 to to IN 33941 153 8 the the DT 33941 153 9 Herapath Herapath NNP 33941 153 10 blow blow NN 33941 153 11 - - HYPH 33941 153 12 pipe pipe NN 33941 153 13 is be VBZ 33941 153 14 usually usually RB 33941 153 15 too too RB 33941 153 16 fine fine JJ 33941 153 17 , , , 33941 153 18 and and CC 33941 153 19 consequently consequently RB 33941 153 20 does do VBZ 33941 153 21 not not RB 33941 153 22 permit permit VB 33941 153 23 the the DT 33941 153 24 passage passage NN 33941 153 25 of of IN 33941 153 26 sufficient sufficient JJ 33941 153 27 air air NN 33941 153 28 to to TO 33941 153 29 produce produce VB 33941 153 30 a a DT 33941 153 31 brush brush NN 33941 153 32 flame flame NN 33941 153 33 that that WDT 33941 153 34 contains contain VBZ 33941 153 35 excess excess NN 33941 153 36 of of IN 33941 153 37 oxygen oxygen NN 33941 153 38 , , , 33941 153 39 even even RB 33941 153 40 with with IN 33941 153 41 the the DT 33941 153 42 aid aid NN 33941 153 43 of of IN 33941 153 44 a a DT 33941 153 45 very very RB 33941 153 46 powerful powerful JJ 33941 153 47 blower blower NN 33941 153 48 . . . 33941 154 1 My -PRON- PRP$ 33941 154 2 own own JJ 33941 154 3 Herapath Herapath NNP 33941 154 4 blow blow NN 33941 154 5 - - HYPH 33941 154 6 pipe pipe NN 33941 154 7 only only RB 33941 154 8 gives give VBZ 33941 154 9 a a DT 33941 154 10 satisfactory satisfactory JJ 33941 154 11 oxidising oxidising JJ 33941 154 12 brush brush NN 33941 154 13 flame flame NN 33941 154 14 when when WRB 33941 154 15 the the DT 33941 154 16 jet jet NN 33941 154 17 is be VBZ 33941 154 18 removed remove VBN 33941 154 19 altogether altogether RB 33941 154 20 from from IN 33941 154 21 the the DT 33941 154 22 end end NN 33941 154 23 of of IN 33941 154 24 the the DT 33941 154 25 air air NN 33941 154 26 - - HYPH 33941 154 27 tube tube NN 33941 154 28 . . . 33941 155 1 For for IN 33941 155 2 producing produce VBG 33941 155 3 pointed pointed JJ 33941 155 4 flames flame NNS 33941 155 5 the the DT 33941 155 6 finer fine JJR 33941 155 7 jet jet NN 33941 155 8 of of IN 33941 155 9 the the DT 33941 155 10 air air NN 33941 155 11 - - HYPH 33941 155 12 tube tube NN 33941 155 13 must must MD 33941 155 14 be be VB 33941 155 15 used use VBN 33941 155 16 , , , 33941 155 17 but but CC 33941 155 18 when when WRB 33941 155 19 a a DT 33941 155 20 highly highly RB 33941 155 21 oxidising oxidising JJ 33941 155 22 flame flame NN 33941 155 23 of of IN 33941 155 24 large large JJ 33941 155 25 size size NN 33941 155 26 is be VBZ 33941 155 27 required require VBN 33941 155 28 it -PRON- PRP 33941 155 29 must must MD 33941 155 30 be be VB 33941 155 31 removed remove VBN 33941 155 32 . . . 33941 156 1 The the DT 33941 156 2 internal internal JJ 33941 156 3 diameter diameter NN 33941 156 4 of of IN 33941 156 5 the the DT 33941 156 6 central central JJ 33941 156 7 air air NN 33941 156 8 - - HYPH 33941 156 9 tube tube NN 33941 156 10 should should MD 33941 156 11 be be VB 33941 156 12 nearly nearly RB 33941 156 13 half half RB 33941 156 14 as as RB 33941 156 15 great great JJ 33941 156 16 as as IN 33941 156 17 that that DT 33941 156 18 of of IN 33941 156 19 the the DT 33941 156 20 outer outer JJ 33941 156 21 or or CC 33941 156 22 gas gas NN 33941 156 23 - - HYPH 33941 156 24 supply supply NN 33941 156 25 tube tube NN 33941 156 26 . . . 33941 157 1 Fletcher Fletcher NNP 33941 157 2 's 's POS 33941 157 3 Automaton Automaton NNP 33941 157 4 with with IN 33941 157 5 the the DT 33941 157 6 large large JJ 33941 157 7 air air NN 33941 157 8 jet jet NN 33941 157 9 gives give VBZ 33941 157 10 a a DT 33941 157 11 very very RB 33941 157 12 liberal liberal JJ 33941 157 13 supply supply NN 33941 157 14 of of IN 33941 157 15 air air NN 33941 157 16 , , , 33941 157 17 and and CC 33941 157 18 produces produce VBZ 33941 157 19 an an DT 33941 157 20 excellent excellent JJ 33941 157 21 oxidising oxidising JJ 33941 157 22 brush brush NN 33941 157 23 flame flame NN 33941 157 24 . . . 33941 158 1 In in IN 33941 158 2 the the DT 33941 158 3 case case NN 33941 158 4 of of IN 33941 158 5 the the DT 33941 158 6 larger large JJR 33941 158 7 - - HYPH 33941 158 8 sized sized JJ 33941 158 9 Automaton Automaton NNP 33941 158 10 a a DT 33941 158 11 consequence consequence NN 33941 158 12 of of IN 33941 158 13 this this DT 33941 158 14 is be VBZ 33941 158 15 , , , 33941 158 16 however however RB 33941 158 17 , , , 33941 158 18 that that IN 33941 158 19 when when WRB 33941 158 20 fitted fit VBN 33941 158 21 with with IN 33941 158 22 the the DT 33941 158 23 large large JJ 33941 158 24 jet jet NN 33941 158 25 it -PRON- PRP 33941 158 26 will will MD 33941 158 27 not not RB 33941 158 28 give give VB 33941 158 29 so so RB 33941 158 30 good good JJ 33941 158 31 a a DT 33941 158 32 pointed pointed JJ 33941 158 33 flame flame NN 33941 158 34 as as IN 33941 158 35 the the DT 33941 158 36 Herapath Herapath NNP 33941 158 37 , , , 33941 158 38 which which WDT 33941 158 39 , , , 33941 158 40 in in IN 33941 158 41 its -PRON- PRP$ 33941 158 42 turn turn NN 33941 158 43 , , , 33941 158 44 gives give VBZ 33941 158 45 an an DT 33941 158 46 inferior inferior JJ 33941 158 47 oxidising oxidising JJ 33941 158 48 brush brush NN 33941 158 49 . . . 33941 159 1 By by IN 33941 159 2 fitting fit VBG 33941 159 3 finer fine JJR 33941 159 4 jets jet NNS 33941 159 5 to to IN 33941 159 6 the the DT 33941 159 7 air air NN 33941 159 8 - - HYPH 33941 159 9 tube tube NN 33941 159 10 of of IN 33941 159 11 Fletcher Fletcher NNP 33941 159 12 's 's POS 33941 159 13 apparatus apparatus NN 33941 159 14 pointed point VBD 33941 159 15 flames flame NNS 33941 159 16 can can MD 33941 159 17 be be VB 33941 159 18 secured secure VBN 33941 159 19 when when WRB 33941 159 20 necessary necessary JJ 33941 159 21 . . . 33941 160 1 _ _ NNP 33941 160 2 The the DT 33941 160 3 Smoky Smoky NNP 33941 160 4 Flame._--By flame._--by NN 33941 160 5 turning turn VBG 33941 160 6 on on RP 33941 160 7 a a DT 33941 160 8 very very RB 33941 160 9 free free JJ 33941 160 10 supply supply NN 33941 160 11 of of IN 33941 160 12 gas gas NN 33941 160 13 , , , 33941 160 14 and and CC 33941 160 15 only only RB 33941 160 16 enough enough JJ 33941 160 17 air air NN 33941 160 18 to to TO 33941 160 19 give give VB 33941 160 20 an an DT 33941 160 21 outward outward JJ 33941 160 22 direction direction NN 33941 160 23 to to IN 33941 160 24 the the DT 33941 160 25 burning burn VBG 33941 160 26 gas gas NN 33941 160 27 , , , 33941 160 28 a a DT 33941 160 29 smoky smoky JJ 33941 160 30 flame flame NN 33941 160 31 , , , 33941 160 32 chiefly chiefly RB 33941 160 33 useful useful JJ 33941 160 34 for for IN 33941 160 35 annealing anneal VBG 33941 160 36 and and CC 33941 160 37 for for IN 33941 160 38 some some DT 33941 160 39 simple simple JJ 33941 160 40 operations operation NNS 33941 160 41 on on IN 33941 160 42 lead lead JJ 33941 160 43 glass glass NN 33941 160 44 , , , 33941 160 45 is be VBZ 33941 160 46 produced produce VBN 33941 160 47 . . . 33941 161 1 The the DT 33941 161 2 Gimmingham Gimmingham NNP 33941 161 3 blow blow NN 33941 161 4 - - HYPH 33941 161 5 pipe pipe NN 33941 161 6 and and CC 33941 161 7 Fletcher Fletcher NNP 33941 161 8 's 's POS 33941 161 9 combination combination NN 33941 161 10 blow blow NN 33941 161 11 - - HYPH 33941 161 12 pipe pipe NN 33941 161 13 , , , 33941 161 14 in in IN 33941 161 15 addition addition NN 33941 161 16 to to IN 33941 161 17 the the DT 33941 161 18 above above JJ 33941 161 19 flames flame NNS 33941 161 20 , , , 33941 161 21 are be VBP 33941 161 22 also also RB 33941 161 23 adapted adapt VBN 33941 161 24 to to TO 33941 161 25 produce produce VB 33941 161 26 a a DT 33941 161 27 non non JJ 33941 161 28 - - JJ 33941 161 29 luminous luminous JJ 33941 161 30 flame flame NN 33941 161 31 , , , 33941 161 32 resembling resemble VBG 33941 161 33 that that DT 33941 161 34 of of IN 33941 161 35 the the DT 33941 161 36 Bunsen Bunsen NNP 33941 161 37 gas gas NN 33941 161 38 - - HYPH 33941 161 39 burner burner NN 33941 161 40 , , , 33941 161 41 which which WDT 33941 161 42 is be VBZ 33941 161 43 very very RB 33941 161 44 convenient convenient JJ 33941 161 45 for for IN 33941 161 46 the the DT 33941 161 47 preliminary preliminary JJ 33941 161 48 heating heating NN 33941 161 49 of of IN 33941 161 50 the the DT 33941 161 51 glass glass NN 33941 161 52 , , , 33941 161 53 and and CC 33941 161 54 also also RB 33941 161 55 for for IN 33941 161 56 gradually gradually RB 33941 161 57 cooling cool VBG 33941 161 58 finished finished JJ 33941 161 59 apparatus apparatus NN 33941 161 60 . . . 33941 162 1 It -PRON- PRP 33941 162 2 is be VBZ 33941 162 3 not not RB 33941 162 4 necessary necessary JJ 33941 162 5 to to TO 33941 162 6 describe describe VB 33941 162 7 the the DT 33941 162 8 method method NN 33941 162 9 of of IN 33941 162 10 using use VBG 33941 162 11 these these DT 33941 162 12 last last RB 33941 162 13 - - HYPH 33941 162 14 mentioned mention VBN 33941 162 15 blow blow NN 33941 162 16 - - HYPH 33941 162 17 pipes pipe NNS 33941 162 18 . . . 33941 163 1 With with IN 33941 163 2 the the DT 33941 163 3 more more RBR 33941 163 4 complicated complicated JJ 33941 163 5 of of IN 33941 163 6 them -PRON- PRP 33941 163 7 directions direction NNS 33941 163 8 for for IN 33941 163 9 its -PRON- PRP$ 33941 163 10 use use NN 33941 163 11 are be VBP 33941 163 12 supplied supply VBN 33941 163 13 . . . 33941 164 1 Mr. Mr. NNP 33941 164 2 Madan Madan NNP 33941 164 3 has have VBZ 33941 164 4 suggested suggest VBN 33941 164 5 the the DT 33941 164 6 use use NN 33941 164 7 of of IN 33941 164 8 oxygen oxygen NN 33941 164 9 in in IN 33941 164 10 place place NN 33941 164 11 of of IN 33941 164 12 air air NN 33941 164 13 for for IN 33941 164 14 producing produce VBG 33941 164 15 the the DT 33941 164 16 oxidising oxidising JJ 33941 164 17 flame flame NN 33941 164 18 required require VBN 33941 164 19 for for IN 33941 164 20 working work VBG 33941 164 21 lead lead JJ 33941 164 22 glass glass NN 33941 164 23 , , , 33941 164 24 and and CC 33941 164 25 to to TO 33941 164 26 produce produce VB 33941 164 27 a a DT 33941 164 28 flame flame NN 33941 164 29 of of IN 33941 164 30 high high JJ 33941 164 31 temperature temperature NN 33941 164 32 for for IN 33941 164 33 softening soften VBG 33941 164 34 tubes tube NNS 33941 164 35 of of IN 33941 164 36 hard hard JJ 33941 164 37 , , , 33941 164 38 or or CC 33941 164 39 combustion combustion NN 33941 164 40 , , , 33941 164 41 glass glass NN 33941 164 42 . . . 33941 165 1 For for IN 33941 165 2 the the DT 33941 165 3 latter latter JJ 33941 165 4 purpose purpose NN 33941 165 5 the the DT 33941 165 6 employment employment NN 33941 165 7 of of IN 33941 165 8 oxygen oxygen NN 33941 165 9 may may MD 33941 165 10 be be VB 33941 165 11 adopted adopt VBN 33941 165 12 with with IN 33941 165 13 great great JJ 33941 165 14 advantage advantage NN 33941 165 15 . . . 33941 166 1 For for IN 33941 166 2 working work VBG 33941 166 3 lead lead JJ 33941 166 4 glass glass NN 33941 166 5 , , , 33941 166 6 however however RB 33941 166 7 , , , 33941 166 8 it -PRON- PRP 33941 166 9 is be VBZ 33941 166 10 quite quite RB 33941 166 11 unnecessary unnecessary JJ 33941 166 12 if if IN 33941 166 13 the the DT 33941 166 14 directions direction NNS 33941 166 15 already already RB 33941 166 16 given give VBN 33941 166 17 are be VBP 33941 166 18 followed follow VBN 33941 166 19 . . . 33941 167 1 The the DT 33941 167 2 student student NN 33941 167 3 's 's POS 33941 167 4 subsequent subsequent JJ 33941 167 5 success success NN 33941 167 6 will will MD 33941 167 7 so so RB 33941 167 8 largely largely RB 33941 167 9 depend depend VB 33941 167 10 upon upon IN 33941 167 11 his -PRON- PRP$ 33941 167 12 acquaintance acquaintance NN 33941 167 13 with with IN 33941 167 14 the the DT 33941 167 15 resources resource NNS 33941 167 16 of of IN 33941 167 17 his -PRON- PRP$ 33941 167 18 blow blow NN 33941 167 19 - - HYPH 33941 167 20 pipe pipe NN 33941 167 21 , , , 33941 167 22 and and CC 33941 167 23 on on IN 33941 167 24 the the DT 33941 167 25 facility facility NN 33941 167 26 with with IN 33941 167 27 which which WDT 33941 167 28 he -PRON- PRP 33941 167 29 can can MD 33941 167 30 take take VB 33941 167 31 advantage advantage NN 33941 167 32 of of IN 33941 167 33 them -PRON- PRP 33941 167 34 , , , 33941 167 35 that that IN 33941 167 36 no no DT 33941 167 37 pains pain NNS 33941 167 38 should should MD 33941 167 39 be be VB 33941 167 40 spared spare VBN 33941 167 41 in in IN 33941 167 42 the the DT 33941 167 43 effort effort NN 33941 167 44 to to TO 33941 167 45 become become VB 33941 167 46 expert expert JJ 33941 167 47 in in IN 33941 167 48 its -PRON- PRP$ 33941 167 49 management management NN 33941 167 50 as as RB 33941 167 51 soon soon RB 33941 167 52 as as IN 33941 167 53 possible possible JJ 33941 167 54 . . . 33941 168 1 A a DT 33941 168 2 few few JJ 33941 168 3 experiments experiment NNS 33941 168 4 should should MD 33941 168 5 now now RB 33941 168 6 be be VB 33941 168 7 made make VBN 33941 168 8 , , , 33941 168 9 therefore therefore RB 33941 168 10 , , , 33941 168 11 upon upon IN 33941 168 12 the the DT 33941 168 13 adjustment adjustment NN 33941 168 14 of of IN 33941 168 15 the the DT 33941 168 16 flame flame NN 33941 168 17 , , , 33941 168 18 until until IN 33941 168 19 the the DT 33941 168 20 student student NN 33941 168 21 is be VBZ 33941 168 22 able able JJ 33941 168 23 to to TO 33941 168 24 produce produce VB 33941 168 25 and and CC 33941 168 26 modify modify VB 33941 168 27 any any DT 33941 168 28 form form NN 33941 168 29 of of IN 33941 168 30 flame flame NN 33941 168 31 with with IN 33941 168 32 promptness promptness NN 33941 168 33 and and CC 33941 168 34 certainty certainty NN 33941 168 35 . . . 33941 169 1 [ [ -LRB- 33941 169 2 Illustration illustration NN 33941 169 3 : : : 33941 169 4 FIG FIG NNP 33941 169 5 . . . 33941 170 1 5 5 CD 33941 170 2 . . . 33941 170 3 ] ] -RRB- 33941 171 1 The the DT 33941 171 2 remaining remain VBG 33941 171 3 apparatus apparatus NN 33941 171 4 used use VBN 33941 171 5 in in IN 33941 171 6 glass glass NN 33941 171 7 - - HYPH 33941 171 8 working working NN 33941 171 9 consists consist NNS 33941 171 10 of of IN 33941 171 11 triangular triangular JJ 33941 171 12 and and CC 33941 171 13 other other JJ 33941 171 14 files file NNS 33941 171 15 , , , 33941 171 16 charcoal charcoal NN 33941 171 17 pastils pastil NNS 33941 171 18 for for IN 33941 171 19 cutting cut VBG 33941 171 20 glass glass NN 33941 171 21 , , , 33941 171 22 pieces piece NNS 33941 171 23 of of IN 33941 171 24 sound sound JJ 33941 171 25 charcoal charcoal NN 33941 171 26 of of IN 33941 171 27 various various JJ 33941 171 28 diameters diameter NNS 33941 171 29 with with IN 33941 171 30 conical conical JJ 33941 171 31 ends end NNS 33941 171 32 ; ; : 33941 171 33 it -PRON- PRP 33941 171 34 is be VBZ 33941 171 35 convenient convenient JJ 33941 171 36 to to TO 33941 171 37 have have VB 33941 171 38 one one CD 33941 171 39 end end VB 33941 171 40 somewhat somewhat RB 33941 171 41 less less RBR 33941 171 42 pointed pointed JJ 33941 171 43 than than IN 33941 171 44 the the DT 33941 171 45 other other JJ 33941 171 46 ( ( -LRB- 33941 171 47 Fig fig NN 33941 171 48 . . . 33941 172 1 5 5 LS 33941 172 2 ) ) -RRB- 33941 172 3 . . . 33941 173 1 Corks cork NNS 33941 173 2 of of IN 33941 173 3 various various JJ 33941 173 4 sizes size NNS 33941 173 5 ; ; : 33941 173 6 the the DT 33941 173 7 smallest small JJS 33941 173 8 , , , 33941 173 9 which which WDT 33941 173 10 are be VBP 33941 173 11 most most RBS 33941 173 12 frequently frequently RB 33941 173 13 needed need VBN 33941 173 14 , , , 33941 173 15 should should MD 33941 173 16 be be VB 33941 173 17 carefully carefully RB 33941 173 18 cut cut VBN 33941 173 19 with with IN 33941 173 20 sharpened sharpened JJ 33941 173 21 cork cork NN 33941 173 22 borers borer NNS 33941 173 23 from from IN 33941 173 24 larger large JJR 33941 173 25 corks cork NNS 33941 173 26 . . . 33941 174 1 Besides besides IN 33941 174 2 these these DT 33941 174 3 there there EX 33941 174 4 should should MD 33941 174 5 be be VB 33941 174 6 provided provide VBN 33941 174 7 some some DT 33941 174 8 freshly freshly RB 33941 174 9 distilled distil VBN 33941 174 10 turpentine turpentine NN 33941 174 11 in in IN 33941 174 12 which which WDT 33941 174 13 camphor camphor NNP 33941 174 14 has have VBZ 33941 174 15 been be VBN 33941 174 16 dissolved,[1 dissolved,[1 NNP 33941 174 17 ] ] -RRB- 33941 174 18 fine fine JJ 33941 174 19 and and CC 33941 174 20 coarse coarse JJ 33941 174 21 emery emery NN 33941 174 22 powder powder NN 33941 174 23 , , , 33941 174 24 and and CC 33941 174 25 some some DT 33941 174 26 sheets sheet NNS 33941 174 27 of of IN 33941 174 28 cotton cotton NN 33941 174 29 - - HYPH 33941 174 30 wadding wadding NN 33941 174 31 , , , 33941 174 32 an an DT 33941 174 33 india india NN 33941 174 34 - - HYPH 33941 174 35 rubber rubber NN 33941 174 36 blowing blowing NN 33941 174 37 - - HYPH 33941 174 38 bottle bottle NN 33941 174 39 , , , 33941 174 40 glass glass NN 33941 174 41 tubes tube NNS 33941 174 42 , , , 33941 174 43 a a DT 33941 174 44 little little JJ 33941 174 45 white white JJ 33941 174 46 enamel enamel NN 33941 174 47 , , , 33941 174 48 and and CC 33941 174 49 a a DT 33941 174 50 pair pair NN 33941 174 51 of of IN 33941 174 52 iron iron NN 33941 174 53 tongs tong NNS 33941 174 54 . . . 33941 175 1 [ [ -LRB- 33941 175 2 1 1 LS 33941 175 3 ] ] -RRB- 33941 175 4 Half half PDT 33941 175 5 an an DT 33941 175 6 ounce ounce NN 33941 175 7 of of IN 33941 175 8 camphor camphor NNP 33941 175 9 to to IN 33941 175 10 about about RB 33941 175 11 six six CD 33941 175 12 ounces ounce NNS 33941 175 13 of of IN 33941 175 14 turpentine turpentine NN 33941 175 15 will will MD 33941 175 16 do do VB 33941 175 17 very very RB 33941 175 18 well well RB 33941 175 19 . . . 33941 176 1 CHAPTER CHAPTER NNP 33941 176 2 II II NNP 33941 176 3 . . . 33941 177 1 _ _ NNP 33941 177 2 VARIETIES VARIETIES NNP 33941 177 3 OF of IN 33941 177 4 GLASS GLASS NNP 33941 177 5 AND and CC 33941 177 6 THEIR THEIR NNP 33941 177 7 MANAGEMENT MANAGEMENT NNP 33941 177 8 . . . 33941 177 9 _ _ NNP 33941 177 10 All all PDT 33941 177 11 the the DT 33941 177 12 varieties variety NNS 33941 177 13 of of IN 33941 177 14 glass glass NN 33941 177 15 that that WDT 33941 177 16 are be VBP 33941 177 17 ordinarily ordinarily RB 33941 177 18 met meet VBN 33941 177 19 with with IN 33941 177 20 contain contain NN 33941 177 21 silica silica NN 33941 177 22 ( ( -LRB- 33941 177 23 SiO_{2 SiO_{2 NNP 33941 177 24 } } -RRB- 33941 177 25 ) ) -RRB- 33941 177 26 associated associate VBN 33941 177 27 with with IN 33941 177 28 metallic metallic JJ 33941 177 29 oxides oxide NNS 33941 177 30 . . . 33941 178 1 In in IN 33941 178 2 a a DT 33941 178 3 true true JJ 33941 178 4 glass glass NN 33941 178 5 there there EX 33941 178 6 are be VBP 33941 178 7 at at RB 33941 178 8 least least RBS 33941 178 9 two two CD 33941 178 10 metallic metallic JJ 33941 178 11 oxides oxide NNS 33941 178 12 . . . 33941 179 1 The the DT 33941 179 2 unmixed unmixed JJ 33941 179 3 silicates silicate NNS 33941 179 4 are be VBP 33941 179 5 not not RB 33941 179 6 suitable suitable JJ 33941 179 7 for for IN 33941 179 8 the the DT 33941 179 9 purposes purpose NNS 33941 179 10 of of IN 33941 179 11 glass glass NN 33941 179 12 . . . 33941 180 1 They -PRON- PRP 33941 180 2 are be VBP 33941 180 3 not not RB 33941 180 4 so so RB 33941 180 5 capable capable JJ 33941 180 6 of of IN 33941 180 7 developing develop VBG 33941 180 8 the the DT 33941 180 9 viscous viscous JJ 33941 180 10 condition condition NN 33941 180 11 when when WRB 33941 180 12 heated heat VBN 33941 180 13 as as IN 33941 180 14 mixtures mixture NNS 33941 180 15 -- -- : 33941 180 16 some some DT 33941 180 17 of of IN 33941 180 18 them -PRON- PRP 33941 180 19 are be VBP 33941 180 20 easily easily RB 33941 180 21 attacked attack VBN 33941 180 22 by by IN 33941 180 23 water water NN 33941 180 24 , , , 33941 180 25 and and CC 33941 180 26 many many JJ 33941 180 27 of of IN 33941 180 28 those those DT 33941 180 29 which which WDT 33941 180 30 are be VBP 33941 180 31 insoluble insoluble JJ 33941 180 32 are be VBP 33941 180 33 comparatively comparatively RB 33941 180 34 infusible infusible JJ 33941 180 35 . . . 33941 181 1 There there EX 33941 181 2 is be VBZ 33941 181 3 generally generally RB 33941 181 4 excess excess JJ 33941 181 5 of of IN 33941 181 6 silica silica NN 33941 181 7 in in IN 33941 181 8 glass glass NN 33941 181 9 , , , 33941 181 10 that that RB 33941 181 11 is is RB 33941 181 12 , , , 33941 181 13 more more JJR 33941 181 14 than than IN 33941 181 15 is be VBZ 33941 181 16 necessary necessary JJ 33941 181 17 to to TO 33941 181 18 form form VB 33941 181 19 normal normal JJ 33941 181 20 silicates silicate NNS 33941 181 21 of of IN 33941 181 22 the the DT 33941 181 23 metals metal NNS 33941 181 24 present present JJ 33941 181 25 . . . 33941 182 1 The the DT 33941 182 2 best good JJS 33941 182 3 proportions proportion NNS 33941 182 4 of of IN 33941 182 5 the the DT 33941 182 6 various various JJ 33941 182 7 constituents constituent NNS 33941 182 8 have have VBP 33941 182 9 been be VBN 33941 182 10 ascertained ascertain VBN 33941 182 11 by by IN 33941 182 12 glass glass NN 33941 182 13 - - HYPH 33941 182 14 makers maker NNS 33941 182 15 , , , 33941 182 16 after after IN 33941 182 17 long long JJ 33941 182 18 experience experience NN 33941 182 19 ; ; : 33941 182 20 but but CC 33941 182 21 the the DT 33941 182 22 relation relation NN 33941 182 23 of of IN 33941 182 24 these these DT 33941 182 25 proportions proportion NNS 33941 182 26 to to IN 33941 182 27 each each DT 33941 182 28 other other JJ 33941 182 29 , , , 33941 182 30 from from IN 33941 182 31 a a DT 33941 182 32 chemical chemical NN 33941 182 33 point point NN 33941 182 34 of of IN 33941 182 35 view view NN 33941 182 36 , , , 33941 182 37 is be VBZ 33941 182 38 not not RB 33941 182 39 easy easy JJ 33941 182 40 to to TO 33941 182 41 make make VB 33941 182 42 out out RP 33941 182 43 . . . 33941 183 1 The the DT 33941 183 2 varieties variety NNS 33941 183 3 of of IN 33941 183 4 glass glass NN 33941 183 5 from from IN 33941 183 6 which which WDT 33941 183 7 tubes tube NNS 33941 183 8 for for IN 33941 183 9 chemical chemical NN 33941 183 10 glass glass NN 33941 183 11 - - HYPH 33941 183 12 blowing blowing NN 33941 183 13 are be VBP 33941 183 14 made make VBN 33941 183 15 may may MD 33941 183 16 be be VB 33941 183 17 placed place VBN 33941 183 18 under under IN 33941 183 19 three three CD 33941 183 20 heads head NNS 33941 183 21 , , , 33941 183 22 and and CC 33941 183 23 are be VBP 33941 183 24 known know VBN 33941 183 25 as[2]-- as[2]-- IN 33941 183 26 Soft soft JJ 33941 183 27 soda soda NN 33941 183 28 glass glass NN 33941 183 29 . . . 33941 184 1 Also also RB 33941 184 2 known know VBN 33941 184 3 as as IN 33941 184 4 French french JJ 33941 184 5 glass glass NN 33941 184 6 . . . 33941 185 1 Lead lead NN 33941 185 2 glass glass NN 33941 185 3 . . . 33941 186 1 Also also RB 33941 186 2 known know VBN 33941 186 3 as as IN 33941 186 4 English english JJ 33941 186 5 glass glass NN 33941 186 6 . . . 33941 187 1 Hard hard JJ 33941 187 2 glass glass NN 33941 187 3 . . . 33941 188 1 [ [ -LRB- 33941 188 2 2 2 CD 33941 188 3 ] ] -RRB- 33941 188 4 For for IN 33941 188 5 details detail NNS 33941 188 6 of of IN 33941 188 7 the the DT 33941 188 8 composition composition NN 33941 188 9 of of IN 33941 188 10 the the DT 33941 188 11 various various JJ 33941 188 12 glasses glass NNS 33941 188 13 , , , 33941 188 14 some some DT 33941 188 15 work work VBP 33941 188 16 on on IN 33941 188 17 glass glass NN 33941 188 18 - - HYPH 33941 188 19 making making NN 33941 188 20 may may MD 33941 188 21 be be VB 33941 188 22 consulted consult VBN 33941 188 23 . . . 33941 189 1 In in IN 33941 189 2 purchasing purchase VBG 33941 189 3 glass glass NN 33941 189 4 tubes tube NNS 33941 189 5 , , , 33941 189 6 it -PRON- PRP 33941 189 7 is be VBZ 33941 189 8 well well JJ 33941 189 9 to to TO 33941 189 10 lay lay VB 33941 189 11 in in IN 33941 189 12 a a DT 33941 189 13 considerable considerable JJ 33941 189 14 stock stock NN 33941 189 15 of of IN 33941 189 16 tubes tube NNS 33941 189 17 made make VBN 33941 189 18 of of IN 33941 189 19 each each DT 33941 189 20 of of IN 33941 189 21 the the DT 33941 189 22 two two CD 33941 189 23 first first JJ 33941 189 24 varieties variety NNS 33941 189 25 , , , 33941 189 26 and and CC 33941 189 27 , , , 33941 189 28 if if IN 33941 189 29 possible possible JJ 33941 189 30 , , , 33941 189 31 to to TO 33941 189 32 obtain obtain VB 33941 189 33 them -PRON- PRP 33941 189 34 from from IN 33941 189 35 the the DT 33941 189 36 manufacturer manufacturer NN 33941 189 37 , , , 33941 189 38 for for IN 33941 189 39 it -PRON- PRP 33941 189 40 frequently frequently RB 33941 189 41 happens happen VBZ 33941 189 42 that that IN 33941 189 43 pieces piece NNS 33941 189 44 of of IN 33941 189 45 glass glass NN 33941 189 46 from from IN 33941 189 47 the the DT 33941 189 48 same same JJ 33941 189 49 batch batch NN 33941 189 50 may may MD 33941 189 51 be be VB 33941 189 52 much much RB 33941 189 53 more more RBR 33941 189 54 readily readily RB 33941 189 55 welded weld VBN 33941 189 56 together together RB 33941 189 57 than than IN 33941 189 58 pieces piece NNS 33941 189 59 of of IN 33941 189 60 slightly slightly RB 33941 189 61 different different JJ 33941 189 62 composition composition NN 33941 189 63 . . . 33941 190 1 Yet yet CC 33941 190 2 it -PRON- PRP 33941 190 3 is be VBZ 33941 190 4 not not RB 33941 190 5 well well JJ 33941 190 6 to to TO 33941 190 7 lay lay VB 33941 190 8 in in RB 33941 190 9 too too RB 33941 190 10 large large JJ 33941 190 11 a a DT 33941 190 12 stock stock NN 33941 190 13 , , , 33941 190 14 as as IN 33941 190 15 sometimes sometimes RB 33941 190 16 it -PRON- PRP 33941 190 17 is be VBZ 33941 190 18 found find VBN 33941 190 19 that that IN 33941 190 20 glass glass NN 33941 190 21 deteriorates deteriorate VBZ 33941 190 22 by by IN 33941 190 23 prolonged prolong VBN 33941 190 24 keeping keeping NN 33941 190 25 . . . 33941 191 1 As as IN 33941 191 2 it -PRON- PRP 33941 191 3 is be VBZ 33941 191 4 frequently frequently RB 33941 191 5 necessary necessary JJ 33941 191 6 to to TO 33941 191 7 make make VB 33941 191 8 additions addition NNS 33941 191 9 , , , 33941 191 10 alterations alteration NNS 33941 191 11 , , , 33941 191 12 or or CC 33941 191 13 repairs repair NNS 33941 191 14 to to IN 33941 191 15 purchased purchase VBN 33941 191 16 apparatus apparatus NN 33941 191 17 , , , 33941 191 18 it -PRON- PRP 33941 191 19 is be VBZ 33941 191 20 best good JJS 33941 191 21 to to TO 33941 191 22 provide provide VB 33941 191 23 supplies supply NNS 33941 191 24 both both DT 33941 191 25 of of IN 33941 191 26 soft soft JJ 33941 191 27 soda soda NN 33941 191 28 glass glass NN 33941 191 29 and and CC 33941 191 30 lead lead JJ 33941 191 31 glass glass NN 33941 191 32 , , , 33941 191 33 for for IN 33941 191 34 though though RB 33941 191 35 purchased purchase VBN 33941 191 36 glass glass NN 33941 191 37 apparatus apparatus NN 33941 191 38 is be VBZ 33941 191 39 frequently frequently RB 33941 191 40 made make VBN 33941 191 41 of of IN 33941 191 42 lead lead JJ 33941 191 43 glass glass NN 33941 191 44 , , , 33941 191 45 yet yet CC 33941 191 46 sometimes sometimes RB 33941 191 47 it -PRON- PRP 33941 191 48 is be VBZ 33941 191 49 formed form VBN 33941 191 50 from from IN 33941 191 51 the the DT 33941 191 52 soda soda NN 33941 191 53 glass glass NN 33941 191 54 , , , 33941 191 55 and and CC 33941 191 56 as as IN 33941 191 57 it -PRON- PRP 33941 191 58 is be VBZ 33941 191 59 a a DT 33941 191 60 matter matter NN 33941 191 61 of of IN 33941 191 62 some some DT 33941 191 63 difficulty difficulty NN 33941 191 64 to to TO 33941 191 65 effect effect VB 33941 191 66 a a DT 33941 191 67 permanent permanent JJ 33941 191 68 union union NN 33941 191 69 between between IN 33941 191 70 soda soda NN 33941 191 71 glass glass NN 33941 191 72 and and CC 33941 191 73 lead lead JJ 33941 191 74 glass glass NN 33941 191 75 , , , 33941 191 76 it -PRON- PRP 33941 191 77 is be VBZ 33941 191 78 desirable desirable JJ 33941 191 79 to to TO 33941 191 80 be be VB 33941 191 81 provided provide VBN 33941 191 82 with with IN 33941 191 83 tubes tube NNS 33941 191 84 of of IN 33941 191 85 both both DT 33941 191 86 kinds kind NNS 33941 191 87 . . . 33941 192 1 Many many JJ 33941 192 2 amateurs amateur NNS 33941 192 3 find find VBP 33941 192 4 that that IN 33941 192 5 soda soda NN 33941 192 6 glass glass NN 33941 192 7 is be VBZ 33941 192 8 in in IN 33941 192 9 some some DT 33941 192 10 respects respect NNS 33941 192 11 easier easy JJR 33941 192 12 to to TO 33941 192 13 work work VB 33941 192 14 with with IN 33941 192 15 than than IN 33941 192 16 lead lead JJ 33941 192 17 glass glass NN 33941 192 18 . . . 33941 193 1 But but CC 33941 193 2 , , , 33941 193 3 on on IN 33941 193 4 the the DT 33941 193 5 other other JJ 33941 193 6 hand hand NN 33941 193 7 , , , 33941 193 8 it -PRON- PRP 33941 193 9 is be VBZ 33941 193 10 somewhat somewhat RB 33941 193 11 more more RBR 33941 193 12 apt apt JJ 33941 193 13 to to TO 33941 193 14 crack crack VB 33941 193 15 during during IN 33941 193 16 cooling cooling NN 33941 193 17 , , , 33941 193 18 which which WDT 33941 193 19 causes cause VBZ 33941 193 20 much much JJ 33941 193 21 loss loss NN 33941 193 22 of of IN 33941 193 23 time time NN 33941 193 24 and and CC 33941 193 25 disappointment disappointment NN 33941 193 26 . . . 33941 194 1 Also also RB 33941 194 2 , , , 33941 194 3 perhaps perhaps RB 33941 194 4 in in IN 33941 194 5 consequence consequence NN 33941 194 6 of of IN 33941 194 7 its -PRON- PRP$ 33941 194 8 lower low JJR 33941 194 9 conductivity conductivity NN 33941 194 10 for for IN 33941 194 11 heat heat NN 33941 194 12 , , , 33941 194 13 it -PRON- PRP 33941 194 14 very very RB 33941 194 15 often often RB 33941 194 16 breaks break VBZ 33941 194 17 under under IN 33941 194 18 sudden sudden JJ 33941 194 19 changes change NNS 33941 194 20 of of IN 33941 194 21 temperature temperature NN 33941 194 22 during during IN 33941 194 23 work work NN 33941 194 24 . . . 33941 195 1 If if IN 33941 195 2 , , , 33941 195 3 however however RB 33941 195 4 , , , 33941 195 5 a a DT 33941 195 6 supply supply NN 33941 195 7 of of IN 33941 195 8 good good JJ 33941 195 9 soda soda NN 33941 195 10 glass glass NN 33941 195 11 is be VBZ 33941 195 12 obtained obtain VBN 33941 195 13 , , , 33941 195 14 and and CC 33941 195 15 the the DT 33941 195 16 directions direction NNS 33941 195 17 given give VBN 33941 195 18 in in IN 33941 195 19 this this DT 33941 195 20 book book NN 33941 195 21 in in IN 33941 195 22 regard regard NN 33941 195 23 to to IN 33941 195 24 annealing anneal VBG 33941 195 25 it -PRON- PRP 33941 195 26 are be VBP 33941 195 27 thoroughly thoroughly RB 33941 195 28 carried carry VBN 33941 195 29 out out RP 33941 195 30 , , , 33941 195 31 these these DT 33941 195 32 objections objection NNS 33941 195 33 to to IN 33941 195 34 the the DT 33941 195 35 use use NN 33941 195 36 of of IN 33941 195 37 soda soda NN 33941 195 38 glass glass NN 33941 195 39 will will MD 33941 195 40 , , , 33941 195 41 to to IN 33941 195 42 a a DT 33941 195 43 great great JJ 33941 195 44 extent extent NN 33941 195 45 , , , 33941 195 46 be be VB 33941 195 47 removed remove VBN 33941 195 48 . . . 33941 196 1 I -PRON- PRP 33941 196 2 find find VBP 33941 196 3 , , , 33941 196 4 however however RB 33941 196 5 , , , 33941 196 6 that that IN 33941 196 7 when when WRB 33941 196 8 every every DT 33941 196 9 precaution precaution NN 33941 196 10 has have VBZ 33941 196 11 been be VBN 33941 196 12 taken take VBN 33941 196 13 , , , 33941 196 14 apparatus apparatus NNP 33941 196 15 made make VBN 33941 196 16 of of IN 33941 196 17 soda soda NN 33941 196 18 glass glass NN 33941 196 19 will will MD 33941 196 20 bear bear VB 33941 196 21 variations variation NNS 33941 196 22 of of IN 33941 196 23 temperature temperature NN 33941 196 24 less less RBR 33941 196 25 well well JJ 33941 196 26 than than IN 33941 196 27 that that DT 33941 196 28 made make VBN 33941 196 29 of of IN 33941 196 30 lead lead JJ 33941 196 31 glass glass NN 33941 196 32 . . . 33941 197 1 Therefore therefore RB 33941 197 2 , , , 33941 197 3 although although IN 33941 197 4 the the DT 33941 197 5 comparatively comparatively RB 33941 197 6 inexpensive inexpensive JJ 33941 197 7 soda soda NN 33941 197 8 glass glass NN 33941 197 9 may may MD 33941 197 10 be be VB 33941 197 11 employed employ VBN 33941 197 12 for for IN 33941 197 13 most most JJS 33941 197 14 purposes purpose NNS 33941 197 15 without without IN 33941 197 16 distrust distrust NNP 33941 197 17 , , , 33941 197 18 yet yet CC 33941 197 19 I -PRON- PRP 33941 197 20 should should MD 33941 197 21 advise advise VB 33941 197 22 those those DT 33941 197 23 who who WP 33941 197 24 propose propose VBP 33941 197 25 to to TO 33941 197 26 confine confine VB 33941 197 27 themselves -PRON- PRP 33941 197 28 to to IN 33941 197 29 one one CD 33941 197 30 kind kind NN 33941 197 31 of of IN 33941 197 32 glass glass NN 33941 197 33 , , , 33941 197 34 to to TO 33941 197 35 take take VB 33941 197 36 the the DT 33941 197 37 small small JJ 33941 197 38 extra extra JJ 33941 197 39 trouble trouble NN 33941 197 40 required require VBN 33941 197 41 in in IN 33941 197 42 learning learn VBG 33941 197 43 to to IN 33941 197 44 work work VB 33941 197 45 lead lead NN 33941 197 46 glass glass NN 33941 197 47 . . . 33941 198 1 In in IN 33941 198 2 order order NN 33941 198 3 to to TO 33941 198 4 secure secure VB 33941 198 5 glass glass NN 33941 198 6 of of IN 33941 198 7 good good JJ 33941 198 8 quality quality NN 33941 198 9 , , , 33941 198 10 a a DT 33941 198 11 few few JJ 33941 198 12 pieces piece NNS 33941 198 13 should should MD 33941 198 14 be be VB 33941 198 15 obtained obtain VBN 33941 198 16 as as IN 33941 198 17 a a DT 33941 198 18 sample sample NN 33941 198 19 , , , 33941 198 20 and and CC 33941 198 21 examined examine VBN 33941 198 22 by by IN 33941 198 23 the the DT 33941 198 24 directions direction NNS 33941 198 25 given give VBN 33941 198 26 below below RP 33941 198 27 . . . 33941 199 1 When when WRB 33941 199 2 the the DT 33941 199 3 larger large JJR 33941 199 4 supply supply NN 33941 199 5 arrives arrive VBZ 33941 199 6 , , , 33941 199 7 a a DT 33941 199 8 number number NN 33941 199 9 of of IN 33941 199 10 pieces piece NNS 33941 199 11 , , , 33941 199 12 taken take VBN 33941 199 13 at at IN 33941 199 14 random random JJ 33941 199 15 , , , 33941 199 16 should should MD 33941 199 17 be be VB 33941 199 18 examined examine VBN 33941 199 19 before before IN 33941 199 20 the the DT 33941 199 21 blow blow NN 33941 199 22 - - HYPH 33941 199 23 pipe pipe NN 33941 199 24 , , , 33941 199 25 to to TO 33941 199 26 compare compare VB 33941 199 27 their -PRON- PRP$ 33941 199 28 behaviour behaviour NN 33941 199 29 with with IN 33941 199 30 that that DT 33941 199 31 of of IN 33941 199 32 the the DT 33941 199 33 sample sample NN 33941 199 34 pieces piece NNS 33941 199 35 , , , 33941 199 36 and and CC 33941 199 37 each each DT 33941 199 38 piece piece NN 33941 199 39 should should MD 33941 199 40 be be VB 33941 199 41 separately separately RB 33941 199 42 examined examine VBN 33941 199 43 in in IN 33941 199 44 all all DT 33941 199 45 other other JJ 33941 199 46 respects respect NNS 33941 199 47 as as IN 33941 199 48 described describe VBN 33941 199 49 subsequently subsequently RB 33941 199 50 . . . 33941 200 1 Hard hard JJ 33941 200 2 glass glass NN 33941 200 3 is be VBZ 33941 200 4 used use VBN 33941 200 5 for for IN 33941 200 6 apparatus apparatus NN 33941 200 7 that that WDT 33941 200 8 is be VBZ 33941 200 9 required require VBN 33941 200 10 to to TO 33941 200 11 withstand withstand VB 33941 200 12 great great JJ 33941 200 13 heat heat NN 33941 200 14 . . . 33941 201 1 It -PRON- PRP 33941 201 2 is be VBZ 33941 201 3 difficult difficult JJ 33941 201 4 to to TO 33941 201 5 soften soften VB 33941 201 6 , , , 33941 201 7 especially especially RB 33941 201 8 in in IN 33941 201 9 large large JJ 33941 201 10 pieces piece NNS 33941 201 11 . . . 33941 202 1 It -PRON- PRP 33941 202 2 should should MD 33941 202 3 only only RB 33941 202 4 be be VB 33941 202 5 employed employ VBN 33941 202 6 , , , 33941 202 7 therefore therefore RB 33941 202 8 , , , 33941 202 9 when when WRB 33941 202 10 the the DT 33941 202 11 low low JJ 33941 202 12 melting melt VBG 33941 202 13 points point NNS 33941 202 14 of of IN 33941 202 15 soda soda NN 33941 202 16 or or CC 33941 202 17 lead lead NN 33941 202 18 glass glass NN 33941 202 19 would would MD 33941 202 20 render render VB 33941 202 21 them -PRON- PRP 33941 202 22 unsuitable unsuitable JJ 33941 202 23 for for IN 33941 202 24 the the DT 33941 202 25 purpose purpose NN 33941 202 26 to to TO 33941 202 27 which which WDT 33941 202 28 the the DT 33941 202 29 finished finished JJ 33941 202 30 apparatus apparatus NN 33941 202 31 is be VBZ 33941 202 32 to to TO 33941 202 33 be be VB 33941 202 34 put put VBN 33941 202 35 . . . 33941 203 1 What what WP 33941 203 2 is be VBZ 33941 203 3 sold sell VBN 33941 203 4 as as IN 33941 203 5 Jena Jena NNP 33941 203 6 combustion combustion NN 33941 203 7 tube tube NN 33941 203 8 should should MD 33941 203 9 be be VB 33941 203 10 preferred prefer VBN 33941 203 11 when when WRB 33941 203 12 this this DT 33941 203 13 is be VBZ 33941 203 14 the the DT 33941 203 15 case case NN 33941 203 16 . . . 33941 204 1 = = NFP 33941 204 2 Characters character NNS 33941 204 3 of of IN 33941 204 4 good good JJ 33941 204 5 Glass.=--Glass glass.=--glass NN 33941 204 6 tubes tube NNS 33941 204 7 for for IN 33941 204 8 glass glass NN 33941 204 9 - - HYPH 33941 204 10 blowing blowing NN 33941 204 11 should should MD 33941 204 12 be be VB 33941 204 13 as as RB 33941 204 14 free free JJ 33941 204 15 as as IN 33941 204 16 possible possible JJ 33941 204 17 from from IN 33941 204 18 knots knot NNS 33941 204 19 , , , 33941 204 20 air air NN 33941 204 21 - - HYPH 33941 204 22 bubbles bubble NNS 33941 204 23 , , , 33941 204 24 and and CC 33941 204 25 stripes stripe NNS 33941 204 26 . . . 33941 205 1 They -PRON- PRP 33941 205 2 should should MD 33941 205 3 be be VB 33941 205 4 in in IN 33941 205 5 straight straight JJ 33941 205 6 pieces piece NNS 33941 205 7 of of IN 33941 205 8 uniform uniform JJ 33941 205 9 thickness thickness NN 33941 205 10 , , , 33941 205 11 and and CC 33941 205 12 cylindrical cylindrical JJ 33941 205 13 bore bore NN 33941 205 14 . . . 33941 206 1 It -PRON- PRP 33941 206 2 is be VBZ 33941 206 3 not not RB 33941 206 4 possible possible JJ 33941 206 5 to to TO 33941 206 6 obtain obtain VB 33941 206 7 glass glass NN 33941 206 8 tubes tube NNS 33941 206 9 of of IN 33941 206 10 absolutely absolutely RB 33941 206 11 the the DT 33941 206 12 same same JJ 33941 206 13 diameter diameter NN 33941 206 14 from from IN 33941 206 15 one one CD 33941 206 16 end end NN 33941 206 17 to to IN 33941 206 18 the the DT 33941 206 19 other other JJ 33941 206 20 in in IN 33941 206 21 large large JJ 33941 206 22 quantities quantity NNS 33941 206 23 , , , 33941 206 24 but but CC 33941 206 25 the the DT 33941 206 26 variations variation NNS 33941 206 27 should should MD 33941 206 28 not not RB 33941 206 29 be be VB 33941 206 30 considerable considerable JJ 33941 206 31 . . . 33941 207 1 When when WRB 33941 207 2 a a DT 33941 207 3 sharp sharp JJ 33941 207 4 transverse transverse JJ 33941 207 5 scratch scratch NN 33941 207 6 is be VBZ 33941 207 7 made make VBN 33941 207 8 with with IN 33941 207 9 a a DT 33941 207 10 good good JJ 33941 207 11 file file NN 33941 207 12 on on IN 33941 207 13 a a DT 33941 207 14 piece piece NN 33941 207 15 of of IN 33941 207 16 tube tube NN 33941 207 17 , , , 33941 207 18 and and CC 33941 207 19 the the DT 33941 207 20 scratch scratch NN 33941 207 21 is be VBZ 33941 207 22 touched touch VBN 33941 207 23 with with IN 33941 207 24 a a DT 33941 207 25 rather rather RB 33941 207 26 fine fine JJ 33941 207 27 point point NN 33941 207 28 of of IN 33941 207 29 red red JJ 33941 207 30 - - HYPH 33941 207 31 hot hot JJ 33941 207 32 glass glass NN 33941 207 33 ( ( -LRB- 33941 207 34 this this DT 33941 207 35 should should MD 33941 207 36 be be VB 33941 207 37 lead lead JJ 33941 207 38 glass glass NN 33941 207 39 for for IN 33941 207 40 a a DT 33941 207 41 lead lead JJ 33941 207 42 glass glass NN 33941 207 43 tube tube NN 33941 207 44 , , , 33941 207 45 and and CC 33941 207 46 soda soda NN 33941 207 47 glass glass NN 33941 207 48 for for IN 33941 207 49 a a DT 33941 207 50 tube tube NN 33941 207 51 of of IN 33941 207 52 soda soda NN 33941 207 53 glass glass NN 33941 207 54 ) ) -RRB- 33941 207 55 , , , 33941 207 56 the the DT 33941 207 57 crack crack NN 33941 207 58 which which WDT 33941 207 59 is be VBZ 33941 207 60 started start VBN 33941 207 61 should should MD 33941 207 62 pass pass VB 33941 207 63 round round RB 33941 207 64 the the DT 33941 207 65 glass glass NN 33941 207 66 , , , 33941 207 67 so so IN 33941 207 68 that that IN 33941 207 69 it -PRON- PRP 33941 207 70 may may MD 33941 207 71 be be VB 33941 207 72 broken break VBN 33941 207 73 into into IN 33941 207 74 two two CD 33941 207 75 pieces piece NNS 33941 207 76 with with IN 33941 207 77 regular regular JJ 33941 207 78 ends end NNS 33941 207 79 . . . 33941 208 1 If if IN 33941 208 2 the the DT 33941 208 3 crack crack NN 33941 208 4 proceeds proceed VBZ 33941 208 5 very very RB 33941 208 6 irregularly irregularly RB 33941 208 7 , , , 33941 208 8 and and CC 33941 208 9 especially especially RB 33941 208 10 if if IN 33941 208 11 it -PRON- PRP 33941 208 12 tends tend VBZ 33941 208 13 to to TO 33941 208 14 extend extend VB 33941 208 15 along along IN 33941 208 16 the the DT 33941 208 17 tube tube NN 33941 208 18 , , , 33941 208 19 the the DT 33941 208 20 glass glass NN 33941 208 21 has have VBZ 33941 208 22 been be VBN 33941 208 23 badly badly RB 33941 208 24 annealed anneal VBN 33941 208 25 , , , 33941 208 26 and and CC 33941 208 27 should should MD 33941 208 28 not not RB 33941 208 29 be be VB 33941 208 30 employed employ VBN 33941 208 31 for for IN 33941 208 32 glass glass NN 33941 208 33 - - HYPH 33941 208 34 blowing blow VBG 33941 208 35 purposes purpose NNS 33941 208 36 . . . 33941 209 1 It -PRON- PRP 33941 209 2 is be VBZ 33941 209 3 important important JJ 33941 209 4 that that IN 33941 209 5 the the DT 33941 209 6 point point NN 33941 209 7 of of IN 33941 209 8 hot hot JJ 33941 209 9 glass glass NN 33941 209 10 used use VBN 33941 209 11 shall shall MD 33941 209 12 be be VB 33941 209 13 very very RB 33941 209 14 small small JJ 33941 209 15 , , , 33941 209 16 however however RB 33941 209 17 . . . 33941 210 1 Even even RB 33941 210 2 good good JJ 33941 210 3 glass glass NN 33941 210 4 will will MD 33941 210 5 frequently frequently RB 33941 210 6 give give VB 33941 210 7 an an DT 33941 210 8 irregular irregular JJ 33941 210 9 fracture fracture NN 33941 210 10 if if IN 33941 210 11 touched touch VBN 33941 210 12 with with IN 33941 210 13 a a DT 33941 210 14 large large JJ 33941 210 15 mass mass NN 33941 210 16 of of IN 33941 210 17 molten molten JJ 33941 210 18 glass glass NN 33941 210 19 . . . 33941 211 1 Finally finally RB 33941 211 2 , , , 33941 211 3 glass glass NN 33941 211 4 tube tube NN 33941 211 5 which which WDT 33941 211 6 is be VBZ 33941 211 7 thin thin JJ 33941 211 8 and and CC 33941 211 9 of of IN 33941 211 10 small small JJ 33941 211 11 diameter diameter NN 33941 211 12 should should MD 33941 211 13 not not RB 33941 211 14 crack crack VB 33941 211 15 when when WRB 33941 211 16 suddenly suddenly RB 33941 211 17 brought bring VBN 33941 211 18 into into IN 33941 211 19 a a DT 33941 211 20 flame flame NN 33941 211 21 . . . 33941 212 1 But but CC 33941 212 2 larger large JJR 33941 212 3 and and CC 33941 212 4 thicker thick JJR 33941 212 5 tubes tube NNS 33941 212 6 will will MD 33941 212 7 not not RB 33941 212 8 often often RB 33941 212 9 withstand withstand VB 33941 212 10 this this DT 33941 212 11 treatment treatment NN 33941 212 12 . . . 33941 213 1 They -PRON- PRP 33941 213 2 should should MD 33941 213 3 not not RB 33941 213 4 crack crack VB 33941 213 5 , , , 33941 213 6 however however RB 33941 213 7 , , , 33941 213 8 when when WRB 33941 213 9 they -PRON- PRP 33941 213 10 are be VBP 33941 213 11 brought bring VBN 33941 213 12 into into IN 33941 213 13 a a DT 33941 213 14 flame flame NN 33941 213 15 gradually gradually RB 33941 213 16 , , , 33941 213 17 after after IN 33941 213 18 having have VBG 33941 213 19 been be VBN 33941 213 20 held hold VBN 33941 213 21 in in IN 33941 213 22 the the DT 33941 213 23 warm warm JJ 33941 213 24 air air NN 33941 213 25 in in IN 33941 213 26 front front NN 33941 213 27 of of IN 33941 213 28 it -PRON- PRP 33941 213 29 for for IN 33941 213 30 a a DT 33941 213 31 minute minute NN 33941 213 32 or or CC 33941 213 33 so so RB 33941 213 34 . . . 33941 214 1 Good good JJ 33941 214 2 glass glass NN 33941 214 3 does do VBZ 33941 214 4 not not RB 33941 214 5 readily readily RB 33941 214 6 devitrify devitrify VB 33941 214 7 when when WRB 33941 214 8 held hold VBN 33941 214 9 in in IN 33941 214 10 the the DT 33941 214 11 blow blow NN 33941 214 12 - - HYPH 33941 214 13 pipe pipe NN 33941 214 14 flame flame NN 33941 214 15 . . . 33941 215 1 As as IN 33941 215 2 devitrified devitrify VBN 33941 215 3 glass glass NN 33941 215 4 very very RB 33941 215 5 often often RB 33941 215 6 may may MD 33941 215 7 be be VB 33941 215 8 restored restore VBN 33941 215 9 to to IN 33941 215 10 its -PRON- PRP$ 33941 215 11 vitreous vitreous JJ 33941 215 12 condition condition NN 33941 215 13 by by IN 33941 215 14 fusion fusion NN 33941 215 15 , , , 33941 215 16 devitrification devitrification NN 33941 215 17 most most RBS 33941 215 18 frequently frequently RB 33941 215 19 shows show VBZ 33941 215 20 itself -PRON- PRP 33941 215 21 round round IN 33941 215 22 the the DT 33941 215 23 edges edge NNS 33941 215 24 of of IN 33941 215 25 the the DT 33941 215 26 heated heated JJ 33941 215 27 parts part NNS 33941 215 28 , , , 33941 215 29 and and CC 33941 215 30 may may MD 33941 215 31 be be VB 33941 215 32 recognised recognise VBN 33941 215 33 by by IN 33941 215 34 the the DT 33941 215 35 production production NN 33941 215 36 of of IN 33941 215 37 a a DT 33941 215 38 certain certain JJ 33941 215 39 degree degree NN 33941 215 40 of of IN 33941 215 41 roughness roughness NN 33941 215 42 there there RB 33941 215 43 . . . 33941 216 1 It -PRON- PRP 33941 216 2 is be VBZ 33941 216 3 believed believe VBN 33941 216 4 to to TO 33941 216 5 be be VB 33941 216 6 due due IN 33941 216 7 to to IN 33941 216 8 the the DT 33941 216 9 separation separation NN 33941 216 10 of of IN 33941 216 11 certain certain JJ 33941 216 12 silicates silicate NNS 33941 216 13 in in IN 33941 216 14 the the DT 33941 216 15 crystallised crystallise VBN 33941 216 16 form form NN 33941 216 17 . . . 33941 217 1 Hard hard JJ 33941 217 2 glass glass NN 33941 217 3 , , , 33941 217 4 which which WDT 33941 217 5 contains contain VBZ 33941 217 6 much much JJ 33941 217 7 calcium calcium NN 33941 217 8 , , , 33941 217 9 is be VBZ 33941 217 10 more more RBR 33941 217 11 apt apt JJ 33941 217 12 to to TO 33941 217 13 devitrify devitrify VB 33941 217 14 than than IN 33941 217 15 the the DT 33941 217 16 more more RBR 33941 217 17 fusible fusible JJ 33941 217 18 varieties variety NNS 33941 217 19 . . . 33941 218 1 [ [ -LRB- 33941 218 2 3 3 CD 33941 218 3 ] ] -RRB- 33941 218 4 [ [ -LRB- 33941 218 5 3 3 CD 33941 218 6 ] ] -RRB- 33941 218 7 The the DT 33941 218 8 presence presence NN 33941 218 9 of of IN 33941 218 10 silicates silicate NNS 33941 218 11 of of IN 33941 218 12 calcium calcium NN 33941 218 13 and and CC 33941 218 14 aluminum aluminum NN 33941 218 15 are be VBP 33941 218 16 considered consider VBN 33941 218 17 to to TO 33941 218 18 promote promote VB 33941 218 19 a a DT 33941 218 20 tendency tendency NN 33941 218 21 to to TO 33941 218 22 devitrification devitrification VB 33941 218 23 in in IN 33941 218 24 glass glass NN 33941 218 25 ; ; : 33941 218 26 and and CC 33941 218 27 glasses glass NNS 33941 218 28 of of IN 33941 218 29 complex complex JJ 33941 218 30 composition composition NN 33941 218 31 are be VBP 33941 218 32 more more RBR 33941 218 33 apt apt JJ 33941 218 34 to to TO 33941 218 35 devitrify devitrify VB 33941 218 36 than than IN 33941 218 37 the the DT 33941 218 38 simpler simple JJR 33941 218 39 varieties variety NNS 33941 218 40 . . . 33941 219 1 See see VB 33941 219 2 _ _ NNP 33941 219 3 Glass Glass NNP 33941 219 4 - - HYPH 33941 219 5 making make VBG 33941 219 6 _ _ NNP 33941 219 7 , , , 33941 219 8 by by IN 33941 219 9 Powell Powell NNP 33941 219 10 , , , 33941 219 11 Chance Chance NNP 33941 219 12 , , , 33941 219 13 and and CC 33941 219 14 Harris Harris NNP 33941 219 15 , , , 33941 219 16 Chap Chap NNP 33941 219 17 . . . 33941 220 1 IV IV NNP 33941 220 2 . . . 33941 221 1 Glass glass NN 33941 221 2 tubes tube NNS 33941 221 3 are be VBP 33941 221 4 made make VBN 33941 221 5 of of IN 33941 221 6 various various JJ 33941 221 7 sizes size NNS 33941 221 8 . . . 33941 222 1 When when WRB 33941 222 2 purchasing purchase VBG 33941 222 3 a a DT 33941 222 4 supply supply NN 33941 222 5 , , , 33941 222 6 it -PRON- PRP 33941 222 7 is be VBZ 33941 222 8 necessary necessary JJ 33941 222 9 to to TO 33941 222 10 be be VB 33941 222 11 somewhat somewhat RB 33941 222 12 precise precise JJ 33941 222 13 in in IN 33941 222 14 indicating indicate VBG 33941 222 15 to to IN 33941 222 16 the the DT 33941 222 17 vendor vendor NN 33941 222 18 the the DT 33941 222 19 sizes size NNS 33941 222 20 required require VBN 33941 222 21 . . . 33941 223 1 I -PRON- PRP 33941 223 2 have have VBP 33941 223 3 therefore therefore RB 33941 223 4 placed place VBN 33941 223 5 at at IN 33941 223 6 the the DT 33941 223 7 end end NN 33941 223 8 of of IN 33941 223 9 the the DT 33941 223 10 book book NN 33941 223 11 , , , 33941 223 12 in in IN 33941 223 13 an an DT 33941 223 14 appendix appendix NNP 33941 223 15 , , , 33941 223 16 a a DT 33941 223 17 table table NN 33941 223 18 of of IN 33941 223 19 numbered numbered JJ 33941 223 20 diagrams diagram NNS 33941 223 21 . . . 33941 224 1 In in IN 33941 224 2 ordering order VBG 33941 224 3 tubes tube NNS 33941 224 4 it -PRON- PRP 33941 224 5 will will MD 33941 224 6 usually usually RB 33941 224 7 only only RB 33941 224 8 be be VB 33941 224 9 necessary necessary JJ 33941 224 10 to to TO 33941 224 11 give give VB 33941 224 12 the the DT 33941 224 13 numbers number NNS 33941 224 14 of of IN 33941 224 15 the the DT 33941 224 16 sizes size NNS 33941 224 17 wished wish VBN 33941 224 18 for for IN 33941 224 19 , , , 33941 224 20 and and CC 33941 224 21 to to TO 33941 224 22 specify specify VB 33941 224 23 the the DT 33941 224 24 quantity quantity NN 33941 224 25 of of IN 33941 224 26 each each DT 33941 224 27 size size NN 33941 224 28 required require VBN 33941 224 29 . . . 33941 225 1 In in IN 33941 225 2 ordering order VBG 33941 225 3 glass glass NN 33941 225 4 tubes tube NNS 33941 225 5 by by IN 33941 225 6 weight weight NN 33941 225 7 , , , 33941 225 8 it -PRON- PRP 33941 225 9 must must MD 33941 225 10 be be VB 33941 225 11 remembered remember VBN 33941 225 12 that that IN 33941 225 13 a a DT 33941 225 14 great great JJ 33941 225 15 many many JJ 33941 225 16 lengths length NNS 33941 225 17 of of IN 33941 225 18 the the DT 33941 225 19 smaller small JJR 33941 225 20 sizes size NNS 33941 225 21 , , , 33941 225 22 but but CC 33941 225 23 very very RB 33941 225 24 few few JJ 33941 225 25 lengths length NNS 33941 225 26 of of IN 33941 225 27 the the DT 33941 225 28 larger large JJR 33941 225 29 sizes size NNS 33941 225 30 , , , 33941 225 31 go go VB 33941 225 32 to to IN 33941 225 33 the the DT 33941 225 34 pound pound NN 33941 225 35 . . . 33941 226 1 Larger large JJR 33941 226 2 - - HYPH 33941 226 3 sized sized JJ 33941 226 4 tubes tube NNS 33941 226 5 than than IN 33941 226 6 those those DT 33941 226 7 on on IN 33941 226 8 the the DT 33941 226 9 diagram diagram NN 33941 226 10 are be VBP 33941 226 11 also also RB 33941 226 12 made make VBN 33941 226 13 . . . 33941 227 1 In in IN 33941 227 2 ordering order VBG 33941 227 3 them -PRON- PRP 33941 227 4 the the DT 33941 227 5 external external JJ 33941 227 6 diameter diameter NN 33941 227 7 and and CC 33941 227 8 thickness thickness NN 33941 227 9 of of IN 33941 227 10 glass glass NN 33941 227 11 preferred prefer VBN 33941 227 12 should should MD 33941 227 13 be be VB 33941 227 14 stated state VBN 33941 227 15 . . . 33941 228 1 = = NFP 33941 228 2 Cleaning Cleaning NNP 33941 228 3 and and CC 33941 228 4 Preparing prepare VBG 33941 228 5 a a DT 33941 228 6 Tube.=--It Tube.=--It NNP 33941 228 7 is be VBZ 33941 228 8 frequently frequently RB 33941 228 9 much much RB 33941 228 10 easier easy JJR 33941 228 11 to to TO 33941 228 12 clean clean VB 33941 228 13 the the DT 33941 228 14 tube tube NN 33941 228 15 from from IN 33941 228 16 which which WDT 33941 228 17 a a DT 33941 228 18 piece piece NN 33941 228 19 of of IN 33941 228 20 apparatus apparatus NN 33941 228 21 is be VBZ 33941 228 22 to to TO 33941 228 23 be be VB 33941 228 24 made make VBN 33941 228 25 than than IN 33941 228 26 to to TO 33941 228 27 clean clean VB 33941 228 28 the the DT 33941 228 29 finished finished JJ 33941 228 30 apparatus apparatus NN 33941 228 31 . . . 33941 229 1 A a DT 33941 229 2 simple simple JJ 33941 229 3 method method NN 33941 229 4 of of IN 33941 229 5 cleaning clean VBG 33941 229 6 a a DT 33941 229 7 tube tube NN 33941 229 8 is be VBZ 33941 229 9 to to TO 33941 229 10 draw draw VB 33941 229 11 a a DT 33941 229 12 piece piece NN 33941 229 13 of of IN 33941 229 14 wet wet JJ 33941 229 15 rag rag NN 33941 229 16 which which WDT 33941 229 17 has have VBZ 33941 229 18 been be VBN 33941 229 19 tied tie VBN 33941 229 20 to to IN 33941 229 21 a a DT 33941 229 22 string string NN 33941 229 23 through through IN 33941 229 24 the the DT 33941 229 25 tube tube NN 33941 229 26 once once RB 33941 229 27 or or CC 33941 229 28 twice twice RB 33941 229 29 , , , 33941 229 30 or or CC 33941 229 31 , , , 33941 229 32 with with IN 33941 229 33 small small JJ 33941 229 34 tubes tube NNS 33941 229 35 , , , 33941 229 36 to to TO 33941 229 37 push push VB 33941 229 38 a a DT 33941 229 39 bit bit NN 33941 229 40 of of IN 33941 229 41 wet wet JJ 33941 229 42 paper paper NN 33941 229 43 or or CC 33941 229 44 cotton cotton NN 33941 229 45 wool wool NN 33941 229 46 through through IN 33941 229 47 them -PRON- PRP 33941 229 48 . . . 33941 230 1 If if IN 33941 230 2 the the DT 33941 230 3 dirt dirt NN 33941 230 4 can can MD 33941 230 5 not not RB 33941 230 6 be be VB 33941 230 7 removed remove VBN 33941 230 8 in in IN 33941 230 9 this this DT 33941 230 10 way way NN 33941 230 11 , , , 33941 230 12 the the DT 33941 230 13 interior interior NN 33941 230 14 of of IN 33941 230 15 the the DT 33941 230 16 tube tube NN 33941 230 17 should should MD 33941 230 18 be be VB 33941 230 19 moistened moisten VBN 33941 230 20 with with IN 33941 230 21 a a DT 33941 230 22 little little JJ 33941 230 23 sulphuric sulphuric JJ 33941 230 24 acid acid NN 33941 230 25 in in IN 33941 230 26 which which WDT 33941 230 27 some some DT 33941 230 28 bichromate bichromate NN 33941 230 29 of of IN 33941 230 30 potassium potassium NN 33941 230 31 has have VBZ 33941 230 32 been be VBN 33941 230 33 dissolved dissolve VBN 33941 230 34 . . . 33941 231 1 In in IN 33941 231 2 any any DT 33941 231 3 case case NN 33941 231 4 , , , 33941 231 5 it -PRON- PRP 33941 231 6 must must MD 33941 231 7 finally finally RB 33941 231 8 be be VB 33941 231 9 repeatedly repeatedly RB 33941 231 10 rinsed rinse VBN 33941 231 11 with with IN 33941 231 12 distilled distilled JJ 33941 231 13 water water NN 33941 231 14 , , , 33941 231 15 and and CC 33941 231 16 dried dry VBN 33941 231 17 by by IN 33941 231 18 cautiously cautiously RB 33941 231 19 warming warm VBG 33941 231 20 it -PRON- PRP 33941 231 21 , , , 33941 231 22 and and CC 33941 231 23 sucking suck VBG 33941 231 24 or or CC 33941 231 25 blowing blow VBG 33941 231 26 air air NN 33941 231 27 through through IN 33941 231 28 it -PRON- PRP 33941 231 29 . . . 33941 232 1 In in IN 33941 232 2 order order NN 33941 232 3 to to TO 33941 232 4 avoid avoid VB 33941 232 5 heating heat VBG 33941 232 6 delicate delicate JJ 33941 232 7 apparatus apparatus NN 33941 232 8 which which WDT 33941 232 9 has have VBZ 33941 232 10 become become VBN 33941 232 11 damp damp JJ 33941 232 12 and and CC 33941 232 13 needs need VBZ 33941 232 14 drying drying NN 33941 232 15 , , , 33941 232 16 the the DT 33941 232 17 water water NN 33941 232 18 may may MD 33941 232 19 be be VB 33941 232 20 washed wash VBN 33941 232 21 out out RP 33941 232 22 with with IN 33941 232 23 a a DT 33941 232 24 few few JJ 33941 232 25 drops drop NNS 33941 232 26 of of IN 33941 232 27 spirit spirit NN 33941 232 28 , , , 33941 232 29 which which WDT 33941 232 30 is be VBZ 33941 232 31 readily readily RB 33941 232 32 removed remove VBN 33941 232 33 at at IN 33941 232 34 a a DT 33941 232 35 low low JJ 33941 232 36 temperature temperature NN 33941 232 37 . . . 33941 233 1 Before before IN 33941 233 2 using use VBG 33941 233 3 a a DT 33941 233 4 glass glass NN 33941 233 5 tube tube NN 33941 233 6 for for IN 33941 233 7 an an DT 33941 233 8 operation operation NN 33941 233 9 in in IN 33941 233 10 which which WDT 33941 233 11 it -PRON- PRP 33941 233 12 will will MD 33941 233 13 be be VB 33941 233 14 necessary necessary JJ 33941 233 15 to to TO 33941 233 16 blow blow VB 33941 233 17 into into IN 33941 233 18 it -PRON- PRP 33941 233 19 , , , 33941 233 20 one one CD 33941 233 21 end end NN 33941 233 22 of of IN 33941 233 23 it -PRON- PRP 33941 233 24 must must MD 33941 233 25 be be VB 33941 233 26 contracted contract VBN 33941 233 27 , , , 33941 233 28 unless unless IN 33941 233 29 it -PRON- PRP 33941 233 30 is be VBZ 33941 233 31 already already RB 33941 233 32 of of IN 33941 233 33 such such PDT 33941 233 34 a a DT 33941 233 35 size size NN 33941 233 36 that that WDT 33941 233 37 it -PRON- PRP 33941 233 38 can can MD 33941 233 39 be be VB 33941 233 40 held hold VBN 33941 233 41 between between IN 33941 233 42 the the DT 33941 233 43 lips lip NNS 33941 233 44 with with IN 33941 233 45 perfect perfect JJ 33941 233 46 ease ease NN 33941 233 47 ; ; : 33941 233 48 in in IN 33941 233 49 any any DT 33941 233 50 case case NN 33941 233 51 , , , 33941 233 52 its -PRON- PRP$ 33941 233 53 edges edge NNS 33941 233 54 must must MD 33941 233 55 be be VB 33941 233 56 rounded round VBN 33941 233 57 . . . 33941 234 1 For for IN 33941 234 2 descriptions description NNS 33941 234 3 of of IN 33941 234 4 these these DT 33941 234 5 operations operation NNS 33941 234 6 , , , 33941 234 7 see see VB 33941 234 8 page page NN 33941 234 9 35 35 CD 33941 234 10 . . . 33941 235 1 The the DT 33941 235 2 other other JJ 33941 235 3 end end NN 33941 235 4 must must MD 33941 235 5 be be VB 33941 235 6 closed close VBN 33941 235 7 . . . 33941 236 1 This this DT 33941 236 2 may may MD 33941 236 3 be be VB 33941 236 4 done do VBN 33941 236 5 by by IN 33941 236 6 means mean NNS 33941 236 7 of of IN 33941 236 8 a a DT 33941 236 9 cork cork NN 33941 236 10 . . . 33941 237 1 = = NFP 33941 237 2 Presenting present VBG 33941 237 3 Glass Glass NNP 33941 237 4 to to IN 33941 237 5 the the DT 33941 237 6 Flame.=--Glass flame.=--glas NNS 33941 237 7 tubes tube NNS 33941 237 8 must must MD 33941 237 9 never never RB 33941 237 10 be be VB 33941 237 11 brought bring VBN 33941 237 12 suddenly suddenly RB 33941 237 13 into into IN 33941 237 14 the the DT 33941 237 15 flame flame NN 33941 237 16 in in IN 33941 237 17 which which WDT 33941 237 18 they -PRON- PRP 33941 237 19 are be VBP 33941 237 20 to to TO 33941 237 21 be be VB 33941 237 22 heated heat VBN 33941 237 23 . . . 33941 238 1 All all DT 33941 238 2 glass glass NN 33941 238 3 is be VBZ 33941 238 4 very very RB 33941 238 5 likely likely JJ 33941 238 6 to to TO 33941 238 7 crack crack VB 33941 238 8 if if IN 33941 238 9 so so RB 33941 238 10 treated treat VBN 33941 238 11 . . . 33941 239 1 It -PRON- PRP 33941 239 2 should should MD 33941 239 3 in in IN 33941 239 4 all all DT 33941 239 5 cases case NNS 33941 239 6 be be VB 33941 239 7 held hold VBN 33941 239 8 for for IN 33941 239 9 a a DT 33941 239 10 little little JJ 33941 239 11 while while NN 33941 239 12 in in IN 33941 239 13 front front NN 33941 239 14 of of IN 33941 239 15 the the DT 33941 239 16 flame flame NN 33941 239 17 , , , 33941 239 18 rotated rotate VBD 33941 239 19 constantly constantly RB 33941 239 20 in in IN 33941 239 21 the the DT 33941 239 22 hot hot JJ 33941 239 23 air air NN 33941 239 24 and and CC 33941 239 25 moved move VBD 33941 239 26 about about RB 33941 239 27 , , , 33941 239 28 in in IN 33941 239 29 order order NN 33941 239 30 that that IN 33941 239 31 it -PRON- PRP 33941 239 32 may may MD 33941 239 33 be be VB 33941 239 34 warmed warm VBN 33941 239 35 over over IN 33941 239 36 a a DT 33941 239 37 considerable considerable JJ 33941 239 38 area area NN 33941 239 39 . . . 33941 240 1 When when WRB 33941 240 2 it -PRON- PRP 33941 240 3 has have VBZ 33941 240 4 become become VBN 33941 240 5 pretty pretty RB 33941 240 6 hot hot JJ 33941 240 7 by by IN 33941 240 8 this this DT 33941 240 9 treatment treatment NN 33941 240 10 , , , 33941 240 11 it -PRON- PRP 33941 240 12 may may MD 33941 240 13 be be VB 33941 240 14 gradually gradually RB 33941 240 15 brought bring VBN 33941 240 16 nearer nearer RB 33941 240 17 to to IN 33941 240 18 the the DT 33941 240 19 flame flame NN 33941 240 20 , , , 33941 240 21 and and CC 33941 240 22 , , , 33941 240 23 finally finally RB 33941 240 24 , , , 33941 240 25 into into IN 33941 240 26 contact contact NN 33941 240 27 with with IN 33941 240 28 it -PRON- PRP 33941 240 29 , , , 33941 240 30 still still RB 33941 240 31 with with IN 33941 240 32 constant constant JJ 33941 240 33 rotation rotation NN 33941 240 34 and and CC 33941 240 35 movement movement NN 33941 240 36 , , , 33941 240 37 so so IN 33941 240 38 as as IN 33941 240 39 to to TO 33941 240 40 warm warm VB 33941 240 41 a a DT 33941 240 42 considerable considerable JJ 33941 240 43 part part NN 33941 240 44 of of IN 33941 240 45 the the DT 33941 240 46 tube tube NN 33941 240 47 . . . 33941 241 1 When when WRB 33941 241 2 the the DT 33941 241 3 glass glass NN 33941 241 4 has have VBZ 33941 241 5 been be VBN 33941 241 6 brought bring VBN 33941 241 7 fairly fairly RB 33941 241 8 into into IN 33941 241 9 contact contact NN 33941 241 10 with with IN 33941 241 11 the the DT 33941 241 12 flame flame NN 33941 241 13 , , , 33941 241 14 it -PRON- PRP 33941 241 15 will will MD 33941 241 16 be be VB 33941 241 17 safe safe JJ 33941 241 18 to to TO 33941 241 19 apply apply VB 33941 241 20 the the DT 33941 241 21 heat heat NN 33941 241 22 at at IN 33941 241 23 the the DT 33941 241 24 required require VBN 33941 241 25 part part NN 33941 241 26 only only RB 33941 241 27 . . . 33941 242 1 Care care NN 33941 242 2 must must MD 33941 242 3 be be VB 33941 242 4 taken take VBN 33941 242 5 in in IN 33941 242 6 these these DT 33941 242 7 preliminary preliminary JJ 33941 242 8 operations operation NNS 33941 242 9 to to TO 33941 242 10 avoid avoid VB 33941 242 11 heating heat VBG 33941 242 12 the the DT 33941 242 13 more more RBR 33941 242 14 fusible fusible JJ 33941 242 15 glasses glass NNS 33941 242 16 sufficiently sufficiently RB 33941 242 17 to to TO 33941 242 18 soften soften VB 33941 242 19 them -PRON- PRP 33941 242 20 . . . 33941 243 1 = = NFP 33941 243 2 Methods method NNS 33941 243 3 of of IN 33941 243 4 working work VBG 33941 243 5 with with IN 33941 243 6 Lead lead NN 33941 243 7 and and CC 33941 243 8 soft soft JJ 33941 243 9 Soda Soda NNP 33941 243 10 Glass Glass NNP 33941 243 11 respectively.=--When respectively.=--When NNP 33941 243 12 lead lead JJ 33941 243 13 glass glass NN 33941 243 14 is be VBZ 33941 243 15 heated heat VBN 33941 243 16 in in IN 33941 243 17 the the DT 33941 243 18 brush brush NN 33941 243 19 flame flame NN 33941 243 20 of of IN 33941 243 21 the the DT 33941 243 22 ordinary ordinary JJ 33941 243 23 Herapath Herapath NNP 33941 243 24 blow blow NN 33941 243 25 - - HYPH 33941 243 26 pipe pipe NN 33941 243 27 , , , 33941 243 28 or or CC 33941 243 29 within within IN 33941 243 30 the the DT 33941 243 31 point point NN 33941 243 32 of of IN 33941 243 33 the the DT 33941 243 34 pointed pointed JJ 33941 243 35 flame flame NN 33941 243 36 , , , 33941 243 37 it -PRON- PRP 33941 243 38 becomes become VBZ 33941 243 39 blackened blacken VBN 33941 243 40 on on IN 33941 243 41 its -PRON- PRP$ 33941 243 42 surface surface NN 33941 243 43 , , , 33941 243 44 in in IN 33941 243 45 consequence consequence NN 33941 243 46 of of IN 33941 243 47 a a DT 33941 243 48 portion portion NN 33941 243 49 of of IN 33941 243 50 the the DT 33941 243 51 lead lead NN 33941 243 52 becoming become VBG 33941 243 53 reduced reduce VBN 33941 243 54 to to IN 33941 243 55 the the DT 33941 243 56 metallic metallic JJ 33941 243 57 state state NN 33941 243 58 by by IN 33941 243 59 the the DT 33941 243 60 reducing reduce VBG 33941 243 61 gases gas NNS 33941 243 62 in in IN 33941 243 63 the the DT 33941 243 64 flame flame NN 33941 243 65 . . . 33941 244 1 The the DT 33941 244 2 same same JJ 33941 244 3 thing thing NN 33941 244 4 will will MD 33941 244 5 happen happen VB 33941 244 6 in in IN 33941 244 7 bending bend VBG 33941 244 8 a a DT 33941 244 9 lead lead JJ 33941 244 10 glass glass NN 33941 244 11 tube tube NN 33941 244 12 if if IN 33941 244 13 it -PRON- PRP 33941 244 14 is be VBZ 33941 244 15 made make VBN 33941 244 16 too too RB 33941 244 17 hot hot JJ 33941 244 18 in in IN 33941 244 19 a a DT 33941 244 20 luminous luminous JJ 33941 244 21 flame flame NN 33941 244 22 . . . 33941 245 1 A a DT 33941 245 2 practical practical JJ 33941 245 3 acquaintance acquaintance NN 33941 245 4 with with IN 33941 245 5 this this DT 33941 245 6 phenomenon phenomenon NN 33941 245 7 may may MD 33941 245 8 be be VB 33941 245 9 acquired acquire VBN 33941 245 10 by by IN 33941 245 11 the the DT 33941 245 12 following follow VBG 33941 245 13 experiment:-- experiment:-- `` 33941 245 14 Take take VB 33941 245 15 a a DT 33941 245 16 piece piece NN 33941 245 17 of of IN 33941 245 18 lead lead JJ 33941 245 19 glass glass NN 33941 245 20 tube tube NN 33941 245 21 , , , 33941 245 22 bring bring VB 33941 245 23 it -PRON- PRP 33941 245 24 gradually gradually RB 33941 245 25 from from IN 33941 245 26 the the DT 33941 245 27 point point NN 33941 245 28 of of IN 33941 245 29 a a DT 33941 245 30 pointed pointed JJ 33941 245 31 flame flame NN 33941 245 32 to to IN 33941 245 33 a a DT 33941 245 34 position position NN 33941 245 35 well well RB 33941 245 36 within within IN 33941 245 37 the the DT 33941 245 38 flame flame NN 33941 245 39 , , , 33941 245 40 and and CC 33941 245 41 observe observe VB 33941 245 42 what what WP 33941 245 43 happens happen VBZ 33941 245 44 . . . 33941 246 1 When when WRB 33941 246 2 the the DT 33941 246 3 glass glass NN 33941 246 4 reaches reach VBZ 33941 246 5 the the DT 33941 246 6 point point NN 33941 246 7 _ _ NNP 33941 246 8 A A NNP 33941 246 9 _ _ NNP 33941 246 10 ( ( -LRB- 33941 246 11 Fig fig NN 33941 246 12 . . . 33941 247 1 3 3 LS 33941 247 2 ) ) -RRB- 33941 247 3 , , , 33941 247 4 or or CC 33941 247 5 thereabouts thereabout VBZ 33941 247 6 , , , 33941 247 7 a a DT 33941 247 8 dark dark JJ 33941 247 9 red red JJ 33941 247 10 spot spot NN 33941 247 11 will will MD 33941 247 12 develop develop VB 33941 247 13 on on IN 33941 247 14 the the DT 33941 247 15 glass glass NN 33941 247 16 , , , 33941 247 17 the the DT 33941 247 18 area area NN 33941 247 19 of of IN 33941 247 20 the the DT 33941 247 21 spot spot NN 33941 247 22 will will MD 33941 247 23 increase increase VB 33941 247 24 as as IN 33941 247 25 the the DT 33941 247 26 glass glass NN 33941 247 27 is be VBZ 33941 247 28 brought bring VBN 33941 247 29 further further RB 33941 247 30 in in IN 33941 247 31 the the DT 33941 247 32 direction direction NN 33941 247 33 _ _ NNP 33941 247 34 A A NNP 33941 247 35 _ _ NNP 33941 247 36 to to IN 33941 247 37 _ _ NNP 33941 247 38 B B NNP 33941 247 39 _ _ NNP 33941 247 40 . . . 33941 248 1 If if IN 33941 248 2 the the DT 33941 248 3 glass glass NN 33941 248 4 be be VB 33941 248 5 then then RB 33941 248 6 removed remove VBN 33941 248 7 from from IN 33941 248 8 the the DT 33941 248 9 flame flame NN 33941 248 10 and and CC 33941 248 11 examined examine VBD 33941 248 12 , , , 33941 248 13 it -PRON- PRP 33941 248 14 will will MD 33941 248 15 be be VB 33941 248 16 found find VBN 33941 248 17 that that IN 33941 248 18 a a DT 33941 248 19 dark dark JJ 33941 248 20 metallic metallic JJ 33941 248 21 stain stain NN 33941 248 22 covers cover VBZ 33941 248 23 the the DT 33941 248 24 area area NN 33941 248 25 of of IN 33941 248 26 the the DT 33941 248 27 dark dark JJ 33941 248 28 red red JJ 33941 248 29 spot spot NN 33941 248 30 previously previously RB 33941 248 31 observed observe VBN 33941 248 32 . . . 33941 249 1 Repeat repeat VB 33941 249 2 the the DT 33941 249 3 experiment experiment NN 33941 249 4 , , , 33941 249 5 but but CC 33941 249 6 at at IN 33941 249 7 the the DT 33941 249 8 first first JJ 33941 249 9 appearance appearance NN 33941 249 10 of of IN 33941 249 11 the the DT 33941 249 12 dark dark JJ 33941 249 13 spot spot NN 33941 249 14 slowly slowly RB 33941 249 15 move move VBP 33941 249 16 the the DT 33941 249 17 glass glass NN 33941 249 18 in in IN 33941 249 19 the the DT 33941 249 20 direction direction NN 33941 249 21 _ _ NNP 33941 249 22 A A NNP 33941 249 23 _ _ NNP 33941 249 24 to to IN 33941 249 25 _ _ NNP 33941 249 26 C C NNP 33941 249 27 _ _ NNP 33941 249 28 . . . 33941 250 1 The the DT 33941 250 2 spot spot NN 33941 250 3 will will MD 33941 250 4 disappear disappear VB 33941 250 5 , , , 33941 250 6 and and CC 33941 250 7 , , , 33941 250 8 if if IN 33941 250 9 the the DT 33941 250 10 operation operation NN 33941 250 11 be be VB 33941 250 12 properly properly RB 33941 250 13 performed perform VBN 33941 250 14 , , , 33941 250 15 in in IN 33941 250 16 its -PRON- PRP$ 33941 250 17 place place NN 33941 250 18 there there EX 33941 250 19 will will MD 33941 250 20 be be VB 33941 250 21 a a DT 33941 250 22 characteristically characteristically RB 33941 250 23 greenish greenish JJ 33941 250 24 - - HYPH 33941 250 25 yellow yellow JJ 33941 250 26 luminous luminous JJ 33941 250 27 spot spot NN 33941 250 28 of of IN 33941 250 29 highly highly RB 33941 250 30 heated heated JJ 33941 250 31 glass glass NN 33941 250 32 . . . 33941 251 1 In in IN 33941 251 2 this this DT 33941 251 3 proceeding proceed VBG 33941 251 4 the the DT 33941 251 5 reduced reduced JJ 33941 251 6 lead lead NN 33941 251 7 of of IN 33941 251 8 the the DT 33941 251 9 dark dark JJ 33941 251 10 spot spot NN 33941 251 11 has have VBZ 33941 251 12 been be VBN 33941 251 13 re re VBN 33941 251 14 - - VBN 33941 251 15 oxidised oxidise VBN 33941 251 16 on on IN 33941 251 17 passing pass VBG 33941 251 18 into into IN 33941 251 19 the the DT 33941 251 20 hot hot JJ 33941 251 21 gases gas NNS 33941 251 22 , , , 33941 251 23 rich rich JJ 33941 251 24 in in IN 33941 251 25 oxygen oxygen NN 33941 251 26 , , , 33941 251 27 which which WDT 33941 251 28 abound abound VBP 33941 251 29 at at IN 33941 251 30 the the DT 33941 251 31 point point NN 33941 251 32 of of IN 33941 251 33 the the DT 33941 251 34 flame flame NN 33941 251 35 . . . 33941 252 1 If if IN 33941 252 2 one one CD 33941 252 3 end end NN 33941 252 4 of of IN 33941 252 5 the the DT 33941 252 6 tube tube NN 33941 252 7 has have VBZ 33941 252 8 been be VBN 33941 252 9 previously previously RB 33941 252 10 closed close VBN 33941 252 11 by by IN 33941 252 12 a a DT 33941 252 13 piece piece NN 33941 252 14 of of IN 33941 252 15 cork cork NN 33941 252 16 , , , 33941 252 17 and and CC 33941 252 18 if if IN 33941 252 19 air air NN 33941 252 20 be be VB 33941 252 21 forced force VBN 33941 252 22 into into IN 33941 252 23 the the DT 33941 252 24 tube tube NN 33941 252 25 with with IN 33941 252 26 the the DT 33941 252 27 mouth mouth NN 33941 252 28 from from IN 33941 252 29 the the DT 33941 252 30 open open JJ 33941 252 31 end end NN 33941 252 32 before before IN 33941 252 33 the the DT 33941 252 34 luminous luminous JJ 33941 252 35 spot spot NN 33941 252 36 has have VBZ 33941 252 37 become become VBN 33941 252 38 cool cool JJ 33941 252 39 , , , 33941 252 40 the the DT 33941 252 41 glass glass NN 33941 252 42 will will MD 33941 252 43 expand expand VB 33941 252 44 . . . 33941 253 1 If if IN 33941 253 2 the the DT 33941 253 3 experiment experiment NN 33941 253 4 be be VB 33941 253 5 repeated repeat VBN 33941 253 6 several several JJ 33941 253 7 times time NNS 33941 253 8 , , , 33941 253 9 with with IN 33941 253 10 pointed pointed JJ 33941 253 11 flames flame NNS 33941 253 12 of of IN 33941 253 13 various various JJ 33941 253 14 sizes size NNS 33941 253 15 , , , 33941 253 16 the the DT 33941 253 17 operator operator NN 33941 253 18 will will MD 33941 253 19 quickly quickly RB 33941 253 20 learn learn VB 33941 253 21 how how WRB 33941 253 22 to to TO 33941 253 23 apply apply VB 33941 253 24 the the DT 33941 253 25 pointed pointed JJ 33941 253 26 flame flame NN 33941 253 27 to to TO 33941 253 28 lead lead VB 33941 253 29 glass glass NN 33941 253 30 so so IN 33941 253 31 that that IN 33941 253 32 it -PRON- PRP 33941 253 33 may may MD 33941 253 34 be be VB 33941 253 35 heated heat VBN 33941 253 36 without without IN 33941 253 37 becoming become VBG 33941 253 38 stained stain VBN 33941 253 39 with with IN 33941 253 40 reduced reduced JJ 33941 253 41 lead lead NN 33941 253 42 . . . 33941 254 1 If if IN 33941 254 2 the the DT 33941 254 3 spot spot NN 33941 254 4 of of IN 33941 254 5 reduced reduce VBN 33941 254 6 metal metal NN 33941 254 7 produced produce VBN 33941 254 8 in in IN 33941 254 9 the the DT 33941 254 10 first first JJ 33941 254 11 experiment experiment NN 33941 254 12 be be VB 33941 254 13 next next RB 33941 254 14 brought bring VBD 33941 254 15 into into IN 33941 254 16 the the DT 33941 254 17 oxidising oxidising JJ 33941 254 18 flame flame NN 33941 254 19 , , , 33941 254 20 it -PRON- PRP 33941 254 21 also also RB 33941 254 22 may may MD 33941 254 23 gradually gradually RB 33941 254 24 be be VB 33941 254 25 removed remove VBN 33941 254 26 . . . 33941 255 1 On on IN 33941 255 2 occasion occasion NN 33941 255 3 , , , 33941 255 4 therefore therefore RB 33941 255 5 , , , 33941 255 6 apparatus apparatus NN 33941 255 7 which which WDT 33941 255 8 has have VBZ 33941 255 9 become become VBN 33941 255 10 stained stain VBN 33941 255 11 with with IN 33941 255 12 lead lead NN 33941 255 13 during during IN 33941 255 14 its -PRON- PRP$ 33941 255 15 production production NN 33941 255 16 , , , 33941 255 17 may may MD 33941 255 18 be be VB 33941 255 19 rendered render VBN 33941 255 20 presentable presentable JJ 33941 255 21 by by IN 33941 255 22 suitable suitable JJ 33941 255 23 treatment treatment NN 33941 255 24 in in IN 33941 255 25 the the DT 33941 255 26 oxidising oxidising JJ 33941 255 27 flame flame NN 33941 255 28 . . . 33941 256 1 The the DT 33941 256 2 process process NN 33941 256 3 of of IN 33941 256 4 re re VB 33941 256 5 - - VBG 33941 256 6 oxidising oxidising JJ 33941 256 7 a a DT 33941 256 8 considerable considerable JJ 33941 256 9 surface surface NN 33941 256 10 in in IN 33941 256 11 this this DT 33941 256 12 way way NN 33941 256 13 after after IN 33941 256 14 it -PRON- PRP 33941 256 15 has have VBZ 33941 256 16 cooled cool VBN 33941 256 17 down down RP 33941 256 18 is be VBZ 33941 256 19 apt apt JJ 33941 256 20 to to TO 33941 256 21 be be VB 33941 256 22 very very RB 33941 256 23 tedious tedious JJ 33941 256 24 , , , 33941 256 25 however however RB 33941 256 26 , , , 33941 256 27 and and CC 33941 256 28 , , , 33941 256 29 especially especially RB 33941 256 30 in in IN 33941 256 31 the the DT 33941 256 32 case case NN 33941 256 33 of of IN 33941 256 34 thin thin JJ 33941 256 35 tubes tube NNS 33941 256 36 or or CC 33941 256 37 bulbs bulb NNS 33941 256 38 , , , 33941 256 39 often often RB 33941 256 40 is be VBZ 33941 256 41 not not RB 33941 256 42 practicable practicable JJ 33941 256 43 . . . 33941 257 1 In in IN 33941 257 2 working work VBG 33941 257 3 with with IN 33941 257 4 lead lead JJ 33941 257 5 glass glass NN 33941 257 6 , , , 33941 257 7 therefore therefore RB 33941 257 8 , , , 33941 257 9 any any DT 33941 257 10 reduction reduction NN 33941 257 11 that that WDT 33941 257 12 occurs occur VBZ 33941 257 13 should should MD 33941 257 14 be be VB 33941 257 15 removed remove VBN 33941 257 16 by by IN 33941 257 17 transferring transfer VBG 33941 257 18 the the DT 33941 257 19 glass glass NN 33941 257 20 to to IN 33941 257 21 the the DT 33941 257 22 oxidising oxidising JJ 33941 257 23 flame flame NN 33941 257 24 at at IN 33941 257 25 once once RB 33941 257 26 . . . 33941 258 1 Small small JJ 33941 258 2 tubes tube NNS 33941 258 3 , , , 33941 258 4 and and CC 33941 258 5 small small JJ 33941 258 6 areas area NNS 33941 258 7 on on IN 33941 258 8 larger large JJR 33941 258 9 tubes tube NNS 33941 258 10 of of IN 33941 258 11 English english JJ 33941 258 12 glass glass NN 33941 258 13 , , , 33941 258 14 may may MD 33941 258 15 be be VB 33941 258 16 softened soften VBN 33941 258 17 without without IN 33941 258 18 reduction reduction NN 33941 258 19 by by IN 33941 258 20 means mean NNS 33941 258 21 of of IN 33941 258 22 the the DT 33941 258 23 pointed pointed JJ 33941 258 24 oxidising oxidising JJ 33941 258 25 flame flame NN 33941 258 26 ; ; : 33941 258 27 but but CC 33941 258 28 it -PRON- PRP 33941 258 29 is be VBZ 33941 258 30 not not RB 33941 258 31 easy easy JJ 33941 258 32 to to TO 33941 258 33 heat heat VB 33941 258 34 any any DT 33941 258 35 considerable considerable JJ 33941 258 36 area area NN 33941 258 37 of of IN 33941 258 38 glass glass NN 33941 258 39 sufficiently sufficiently RB 33941 258 40 with with IN 33941 258 41 a a DT 33941 258 42 pointed pointed JJ 33941 258 43 flame flame NN 33941 258 44 . . . 33941 259 1 And and CC 33941 259 2 though though IN 33941 259 3 it -PRON- PRP 33941 259 4 is be VBZ 33941 259 5 possible possible JJ 33941 259 6 , , , 33941 259 7 with with IN 33941 259 8 care care NN 33941 259 9 , , , 33941 259 10 to to TO 33941 259 11 employ employ VB 33941 259 12 the the DT 33941 259 13 hot hot JJ 33941 259 14 space space NN 33941 259 15 immediately immediately RB 33941 259 16 in in IN 33941 259 17 front front NN 33941 259 18 of of IN 33941 259 19 the the DT 33941 259 20 visible visible JJ 33941 259 21 end end NN 33941 259 22 of of IN 33941 259 23 an an DT 33941 259 24 ordinary ordinary JJ 33941 259 25 brush brush NN 33941 259 26 flame flame NN 33941 259 27 , , , 33941 259 28 which which WDT 33941 259 29 is be VBZ 33941 259 30 rich rich JJ 33941 259 31 in in IN 33941 259 32 air air NN 33941 259 33 , , , 33941 259 34 yet yet CC 33941 259 35 , , , 33941 259 36 in in IN 33941 259 37 practice practice NN 33941 259 38 , , , 33941 259 39 it -PRON- PRP 33941 259 40 will will MD 33941 259 41 not not RB 33941 259 42 be be VB 33941 259 43 found find VBN 33941 259 44 convenient convenient JJ 33941 259 45 to to TO 33941 259 46 heat heat VB 33941 259 47 large large JJ 33941 259 48 masses masse NNS 33941 259 49 of of IN 33941 259 50 lead lead JJ 33941 259 51 glass glass NN 33941 259 52 nor nor CC 33941 259 53 tubes tube NNS 33941 259 54 of of IN 33941 259 55 large large JJ 33941 259 56 size size NN 33941 259 57 , , , 33941 259 58 to to IN 33941 259 59 a a DT 33941 259 60 sufficiently sufficiently RB 33941 259 61 high high JJ 33941 259 62 temperature temperature NN 33941 259 63 to to TO 33941 259 64 get get VB 33941 259 65 the the DT 33941 259 66 glass glass NN 33941 259 67 into into IN 33941 259 68 good good JJ 33941 259 69 condition condition NN 33941 259 70 for for IN 33941 259 71 blowing blow VBG 33941 259 72 , , , 33941 259 73 by by IN 33941 259 74 presenting present VBG 33941 259 75 them -PRON- PRP 33941 259 76 to to IN 33941 259 77 the the DT 33941 259 78 common common JJ 33941 259 79 brush brush NN 33941 259 80 flame flame NN 33941 259 81 . . . 33941 260 1 It -PRON- PRP 33941 260 2 may may MD 33941 260 3 seem seem VB 33941 260 4 that that IN 33941 260 5 as as IN 33941 260 6 glass glass NN 33941 260 7 which which WDT 33941 260 8 has have VBZ 33941 260 9 become become VBN 33941 260 10 stained stain VBN 33941 260 11 with with IN 33941 260 12 reduced reduce VBN 33941 260 13 lead lead NN 33941 260 14 can can MD 33941 260 15 be be VB 33941 260 16 subsequently subsequently RB 33941 260 17 re re VBN 33941 260 18 - - VBN 33941 260 19 oxidised oxidise VBN 33941 260 20 by by IN 33941 260 21 heating heat VBG 33941 260 22 it -PRON- PRP 33941 260 23 with with IN 33941 260 24 the the DT 33941 260 25 tip tip NN 33941 260 26 of of IN 33941 260 27 the the DT 33941 260 28 pointed pointed JJ 33941 260 29 flame flame NN 33941 260 30 , , , 33941 260 31 the the DT 33941 260 32 difficulty difficulty NN 33941 260 33 might may MD 33941 260 34 be be VB 33941 260 35 overcome overcome VBN 33941 260 36 by by IN 33941 260 37 heating heat VBG 33941 260 38 it -PRON- PRP 33941 260 39 for for IN 33941 260 40 working work VBG 33941 260 41 in in IN 33941 260 42 the the DT 33941 260 43 brush brush NN 33941 260 44 flame flame NN 33941 260 45 , , , 33941 260 46 and and CC 33941 260 47 subsequently subsequently RB 33941 260 48 oxidising oxidise VBG 33941 260 49 the the DT 33941 260 50 reduced reduced JJ 33941 260 51 lead lead NN 33941 260 52 . . . 33941 261 1 It -PRON- PRP 33941 261 2 is be VBZ 33941 261 3 , , , 33941 261 4 however however RB 33941 261 5 , , , 33941 261 6 difficult difficult JJ 33941 261 7 , , , 33941 261 8 as as RB 33941 261 9 previously previously RB 33941 261 10 stated state VBN 33941 261 11 , , , 33941 261 12 to to TO 33941 261 13 re re VB 33941 261 14 - - VB 33941 261 15 oxidise oxidise VB 33941 261 16 a a DT 33941 261 17 large large JJ 33941 261 18 surface surface NN 33941 261 19 of of IN 33941 261 20 glass glass NN 33941 261 21 which which WDT 33941 261 22 has have VBZ 33941 261 23 been be VBN 33941 261 24 seriously seriously RB 33941 261 25 reduced reduce VBN 33941 261 26 by by IN 33941 261 27 the the DT 33941 261 28 action action NN 33941 261 29 of of IN 33941 261 30 the the DT 33941 261 31 reducing reduce VBG 33941 261 32 gases gas NNS 33941 261 33 of of IN 33941 261 34 the the DT 33941 261 35 flame flame NN 33941 261 36 , , , 33941 261 37 after after IN 33941 261 38 it -PRON- PRP 33941 261 39 has have VBZ 33941 261 40 cooled cool VBN 33941 261 41 . . . 33941 262 1 Moreover moreover RB 33941 262 2 , , , 33941 262 3 there there EX 33941 262 4 is be VBZ 33941 262 5 this this DT 33941 262 6 very very RB 33941 262 7 serious serious JJ 33941 262 8 objection objection NN 33941 262 9 , , , 33941 262 10 that that IN 33941 262 11 if if IN 33941 262 12 , , , 33941 262 13 as as IN 33941 262 14 may may MD 33941 262 15 be be VB 33941 262 16 necessary necessary JJ 33941 262 17 , , , 33941 262 18 the the DT 33941 262 19 action action NN 33941 262 20 of of IN 33941 262 21 the the DT 33941 262 22 reducing reduce VBG 33941 262 23 flame flame NN 33941 262 24 be be VB 33941 262 25 prolonged prolong VBN 33941 262 26 , , , 33941 262 27 the the DT 33941 262 28 extensive extensive JJ 33941 262 29 reduction reduction NN 33941 262 30 that that WDT 33941 262 31 takes take VBZ 33941 262 32 place place NN 33941 262 33 diminishes diminish VBZ 33941 262 34 the the DT 33941 262 35 tendency tendency NN 33941 262 36 of of IN 33941 262 37 the the DT 33941 262 38 glass glass NN 33941 262 39 to to TO 33941 262 40 acquire acquire VB 33941 262 41 the the DT 33941 262 42 proper proper JJ 33941 262 43 degree degree NN 33941 262 44 of of IN 33941 262 45 viscosity viscosity NN 33941 262 46 for for IN 33941 262 47 working work VBG 33941 262 48 it -PRON- PRP 33941 262 49 , , , 33941 262 50 the the DT 33941 262 51 glass glass NN 33941 262 52 becomes become VBZ 33941 262 53 difficult difficult JJ 33941 262 54 to to TO 33941 262 55 expand expand VB 33941 262 56 by by IN 33941 262 57 blowing blow VBG 33941 262 58 , , , 33941 262 59 seriously seriously RB 33941 262 60 roughened roughen VBN 33941 262 61 on on IN 33941 262 62 its -PRON- PRP$ 33941 262 63 surface surface NN 33941 262 64 , , , 33941 262 65 and and CC 33941 262 66 often often RB 33941 262 67 assumes assume VBZ 33941 262 68 a a DT 33941 262 69 very very RB 33941 262 70 brittle brittle JJ 33941 262 71 or or CC 33941 262 72 rotten rotten JJ 33941 262 73 condition condition NN 33941 262 74 . . . 33941 263 1 When when WRB 33941 263 2 it -PRON- PRP 33941 263 3 is be VBZ 33941 263 4 only only RB 33941 263 5 required require VBN 33941 263 6 to to TO 33941 263 7 bend bend VB 33941 263 8 or or CC 33941 263 9 draw draw VB 33941 263 10 out out RP 33941 263 11 tubes tube NNS 33941 263 12 of of IN 33941 263 13 lead lead JJ 33941 263 14 glass glass NN 33941 263 15 , , , 33941 263 16 they -PRON- PRP 33941 263 17 may may MD 33941 263 18 be be VB 33941 263 19 softened soften VBN 33941 263 20 sufficiently sufficiently RB 33941 263 21 by by IN 33941 263 22 a a DT 33941 263 23 smoky smoky JJ 33941 263 24 flame flame NN 33941 263 25 , , , 33941 263 26 which which WDT 33941 263 27 , , , 33941 263 28 probably probably RB 33941 263 29 owing owe VBG 33941 263 30 to to IN 33941 263 31 its -PRON- PRP$ 33941 263 32 having have VBG 33941 263 33 a a DT 33941 263 34 comparatively comparatively RB 33941 263 35 low low JJ 33941 263 36 temperature temperature NN 33941 263 37 , , , 33941 263 38 does do VBZ 33941 263 39 not not RB 33941 263 40 so so RB 33941 263 41 readily readily RB 33941 263 42 reduce reduce VB 33941 263 43 the the DT 33941 263 44 lead lead NN 33941 263 45 as as IN 33941 263 46 flames flame NNS 33941 263 47 of of IN 33941 263 48 higher high JJR 33941 263 49 temperature temperature NN 33941 263 50 . . . 33941 264 1 But but CC 33941 264 2 for for IN 33941 264 3 making make VBG 33941 264 4 joints joint NNS 33941 264 5 , , , 33941 264 6 collecting collect VBG 33941 264 7 masses masse NNS 33941 264 8 of of IN 33941 264 9 glass glass NN 33941 264 10 for for IN 33941 264 11 making make VBG 33941 264 12 bulbs bulb NNS 33941 264 13 , , , 33941 264 14 and and CC 33941 264 15 in in IN 33941 264 16 all all DT 33941 264 17 cases case NNS 33941 264 18 where where WRB 33941 264 19 it -PRON- PRP 33941 264 20 is be VBZ 33941 264 21 required require VBN 33941 264 22 that that IN 33941 264 23 the the DT 33941 264 24 glass glass NN 33941 264 25 shall shall MD 33941 264 26 be be VB 33941 264 27 thoroughly thoroughly RB 33941 264 28 softened soften VBN 33941 264 29 , , , 33941 264 30 the the DT 33941 264 31 smoky smoky JJ 33941 264 32 flame flame NN 33941 264 33 does do VBZ 33941 264 34 not not RB 33941 264 35 give give VB 33941 264 36 good good JJ 33941 264 37 results result NNS 33941 264 38 . . . 33941 265 1 In in IN 33941 265 2 the the DT 33941 265 3 glass glass NN 33941 265 4 - - HYPH 33941 265 5 works work NNS 33941 265 6 , , , 33941 265 7 where where WRB 33941 265 8 large large JJ 33941 265 9 quantities quantity NNS 33941 265 10 of of IN 33941 265 11 ornamental ornamental JJ 33941 265 12 and and CC 33941 265 13 other other JJ 33941 265 14 glass glass NN 33941 265 15 goods good NNS 33941 265 16 are be VBP 33941 265 17 made make VBN 33941 265 18 of of IN 33941 265 19 lead lead NN 33941 265 20 or or CC 33941 265 21 flint flint NN 33941 265 22 glass glass NN 33941 265 23 , , , 33941 265 24 the the DT 33941 265 25 pots pot NNS 33941 265 26 in in IN 33941 265 27 which which WDT 33941 265 28 the the DT 33941 265 29 glass glass NN 33941 265 30 is be VBZ 33941 265 31 melted melted JJ 33941 265 32 are be VBP 33941 265 33 so so RB 33941 265 34 constructed construct VBN 33941 265 35 that that IN 33941 265 36 the the DT 33941 265 37 gases gas NNS 33941 265 38 of of IN 33941 265 39 the the DT 33941 265 40 furnace furnace NN 33941 265 41 do do VBP 33941 265 42 not not RB 33941 265 43 come come VB 33941 265 44 into into IN 33941 265 45 contact contact NN 33941 265 46 with with IN 33941 265 47 the the DT 33941 265 48 glass;[4 glass;[4 NN 33941 265 49 ] ] -RRB- 33941 265 50 and and CC 33941 265 51 as as IN 33941 265 52 the the DT 33941 265 53 intensely intensely RB 33941 265 54 - - HYPH 33941 265 55 heated heated JJ 33941 265 56 sides side NNS 33941 265 57 of of IN 33941 265 58 the the DT 33941 265 59 melting melt VBG 33941 265 60 - - HYPH 33941 265 61 pot pot NN 33941 265 62 maintain maintain VB 33941 265 63 a a DT 33941 265 64 very very RB 33941 265 65 high high JJ 33941 265 66 temperature temperature NN 33941 265 67 within within IN 33941 265 68 it -PRON- PRP 33941 265 69 by by IN 33941 265 70 radiation radiation NN 33941 265 71 , , , 33941 265 72 the the DT 33941 265 73 workman workman NN 33941 265 74 has have VBZ 33941 265 75 a a DT 33941 265 76 very very RB 33941 265 77 convenient convenient JJ 33941 265 78 source source NN 33941 265 79 of of IN 33941 265 80 heat heat NN 33941 265 81 to to IN 33941 265 82 his -PRON- PRP$ 33941 265 83 hand,--he hand,--he ADD 33941 265 84 has have VBZ 33941 265 85 , , , 33941 265 86 in in IN 33941 265 87 fact fact NN 33941 265 88 , , , 33941 265 89 only only RB 33941 265 90 to to TO 33941 265 91 introduce introduce VB 33941 265 92 the the DT 33941 265 93 object object NN 33941 265 94 , , , 33941 265 95 or or CC 33941 265 96 that that DT 33941 265 97 part part NN 33941 265 98 of of IN 33941 265 99 it -PRON- PRP 33941 265 100 which which WDT 33941 265 101 is be VBZ 33941 265 102 to to TO 33941 265 103 be be VB 33941 265 104 softened soften VBN 33941 265 105 , , , 33941 265 106 into into IN 33941 265 107 the the DT 33941 265 108 mouth mouth NN 33941 265 109 of of IN 33941 265 110 the the DT 33941 265 111 melting melt VBG 33941 265 112 - - HYPH 33941 265 113 pot pot NN 33941 265 114 , , , 33941 265 115 and and CC 33941 265 116 it -PRON- PRP 33941 265 117 is be VBZ 33941 265 118 quickly quickly RB 33941 265 119 heated heated JJ 33941 265 120 sufficiently sufficiently RB 33941 265 121 for for IN 33941 265 122 his -PRON- PRP$ 33941 265 123 purpose purpose NN 33941 265 124 , , , 33941 265 125 not not RB 33941 265 126 only only RB 33941 265 127 without without IN 33941 265 128 contact contact NN 33941 265 129 of of IN 33941 265 130 reducing reduce VBG 33941 265 131 gases gas NNS 33941 265 132 , , , 33941 265 133 but but CC 33941 265 134 in in IN 33941 265 135 air air NN 33941 265 136 . . . 33941 266 1 He -PRON- PRP 33941 266 2 can can MD 33941 266 3 therefore therefore RB 33941 266 4 easily easily RB 33941 266 5 work work VB 33941 266 6 upon upon IN 33941 266 7 very very RB 33941 266 8 large large JJ 33941 266 9 masses masse NNS 33941 266 10 of of IN 33941 266 11 glass glass NN 33941 266 12 . . . 33941 267 1 In in IN 33941 267 2 a a DT 33941 267 3 special special JJ 33941 267 4 case case NN 33941 267 5 , , , 33941 267 6 such such PDT 33941 267 7 a a DT 33941 267 8 source source NN 33941 267 9 of of IN 33941 267 10 heat heat NN 33941 267 11 might may MD 33941 267 12 be be VB 33941 267 13 devised devise VBN 33941 267 14 by by IN 33941 267 15 the the DT 33941 267 16 amateur amateur NN 33941 267 17 . . . 33941 268 1 Usually usually RB 33941 268 2 , , , 33941 268 3 however however RB 33941 268 4 , , , 33941 268 5 the the DT 33941 268 6 difficulty difficulty NN 33941 268 7 may may MD 33941 268 8 be be VB 33941 268 9 overcome overcome VBN 33941 268 10 without without IN 33941 268 11 special special JJ 33941 268 12 apparatus apparatus NN 33941 268 13 . . . 33941 269 1 It -PRON- PRP 33941 269 2 is be VBZ 33941 269 3 , , , 33941 269 4 in in IN 33941 269 5 fact fact NN 33941 269 6 , , , 33941 269 7 only only RB 33941 269 8 necessary necessary JJ 33941 269 9 to to TO 33941 269 10 carry carry VB 33941 269 11 out out RP 33941 269 12 the the DT 33941 269 13 instructions instruction NNS 33941 269 14 given give VBN 33941 269 15 below below RP 33941 269 16 to to TO 33941 269 17 obtain obtain VB 33941 269 18 a a DT 33941 269 19 considerable considerable JJ 33941 269 20 brush brush NN 33941 269 21 flame flame NN 33941 269 22 rich rich JJ 33941 269 23 in in IN 33941 269 24 air air NN 33941 269 25 , , , 33941 269 26 in in IN 33941 269 27 which which WDT 33941 269 28 the the DT 33941 269 29 lead lead JJ 33941 269 30 glass glass NN 33941 269 31 can can MD 33941 269 32 be be VB 33941 269 33 worked work VBN 33941 269 34 , , , 33941 269 35 not not RB 33941 269 36 only only RB 33941 269 37 without without IN 33941 269 38 discoloration discoloration NN 33941 269 39 , , , 33941 269 40 but but CC 33941 269 41 with with IN 33941 269 42 the the DT 33941 269 43 greatest great JJS 33941 269 44 facility facility NN 33941 269 45 . . . 33941 270 1 [ [ -LRB- 33941 270 2 4 4 LS 33941 270 3 ] ] -RRB- 33941 270 4 See see VB 33941 270 5 _ _ NNP 33941 270 6 Principles Principles NNPS 33941 270 7 of of IN 33941 270 8 Glass Glass NNP 33941 270 9 - - HYPH 33941 270 10 making make VBG 33941 270 11 _ _ NNP 33941 270 12 , , , 33941 270 13 p. p. NN 33941 270 14 31 31 CD 33941 270 15 . . . 33941 271 1 _ _ NNP 33941 271 2 To to TO 33941 271 3 Produce produce VB 33941 271 4 an an DT 33941 271 5 Oxidising oxidising JJ 33941 271 6 Brush Brush NNP 33941 271 7 Flame._--The flame._--the CD 33941 271 8 blower blower NN 33941 271 9 used use VBN 33941 271 10 must must MD 33941 271 11 be be VB 33941 271 12 powerful powerful JJ 33941 271 13 , , , 33941 271 14 the the DT 33941 271 15 air air NN 33941 271 16 - - HYPH 33941 271 17 tube tube NN 33941 271 18 of of IN 33941 271 19 the the DT 33941 271 20 blow blow NN 33941 271 21 - - HYPH 33941 271 22 pipe pipe NN 33941 271 23 must must MD 33941 271 24 be be VB 33941 271 25 about about RB 33941 271 26 half half NN 33941 271 27 as as RB 33941 271 28 great great JJ 33941 271 29 in in IN 33941 271 30 diameter diameter NN 33941 271 31 as as IN 33941 271 32 the the DT 33941 271 33 outer outer JJ 33941 271 34 tube tube NN 33941 271 35 which which WDT 33941 271 36 supplies supply VBZ 33941 271 37 the the DT 33941 271 38 gas gas NN 33941 271 39 . . . 33941 272 1 The the DT 33941 272 2 operator operator NN 33941 272 3 must must MD 33941 272 4 work work VB 33941 272 5 his -PRON- PRP$ 33941 272 6 bellows bellow NNS 33941 272 7 so so IN 33941 272 8 as as IN 33941 272 9 to to TO 33941 272 10 supply supply VB 33941 272 11 a a DT 33941 272 12 strong strong JJ 33941 272 13 and and CC 33941 272 14 _ _ NNP 33941 272 15 steady steady JJ 33941 272 16 _ _ NNP 33941 272 17 blast blast NN 33941 272 18 of of IN 33941 272 19 air air NN 33941 272 20 , , , 33941 272 21 and and CC 33941 272 22 the the DT 33941 272 23 supply supply NN 33941 272 24 of of IN 33941 272 25 gas gas NN 33941 272 26 must must MD 33941 272 27 be be VB 33941 272 28 regulated regulate VBN 33941 272 29 so so IN 33941 272 30 that that IN 33941 272 31 the the DT 33941 272 32 brush brush NN 33941 272 33 flame flame NN 33941 272 34 produced produce VBN 33941 272 35 is be VBZ 33941 272 36 free free JJ 33941 272 37 from from IN 33941 272 38 every every DT 33941 272 39 sign sign NN 33941 272 40 of of IN 33941 272 41 incomplete incomplete JJ 33941 272 42 combustion,[5 combustion,[5 NN 33941 272 43 ] ] -RRB- 33941 272 44 which which WDT 33941 272 45 may may MD 33941 272 46 be be VB 33941 272 47 known know VBN 33941 272 48 by by IN 33941 272 49 its -PRON- PRP$ 33941 272 50 outer outer JJ 33941 272 51 zone zone NN 33941 272 52 being be VBG 33941 272 53 only only RB 33941 272 54 faintly faintly RB 33941 272 55 visible visible JJ 33941 272 56 in in IN 33941 272 57 daylight daylight NN 33941 272 58 , , , 33941 272 59 and and CC 33941 272 60 quite quite RB 33941 272 61 free free JJ 33941 272 62 from from IN 33941 272 63 luminous luminous JJ 33941 272 64 streaks streak NNS 33941 272 65 ( ( -LRB- 33941 272 66 see see VB 33941 272 67 Fig Fig NNP 33941 272 68 . . . 33941 273 1 4 4 CD 33941 273 2 , , , 33941 273 3 p. p. NN 33941 273 4 9 9 CD 33941 273 5 ) ) -RRB- 33941 273 6 . . . 33941 274 1 When when WRB 33941 274 2 a a DT 33941 274 3 suitable suitable JJ 33941 274 4 flame flame NN 33941 274 5 has have VBZ 33941 274 6 been be VBN 33941 274 7 produced produce VBN 33941 274 8 , , , 33941 274 9 try try VB 33941 274 10 it -PRON- PRP 33941 274 11 by by IN 33941 274 12 rotating rotate VBG 33941 274 13 a a DT 33941 274 14 piece piece NN 33941 274 15 of of IN 33941 274 16 lead lead JJ 33941 274 17 glass glass NN 33941 274 18 at at IN 33941 274 19 or or CC 33941 274 20 near near IN 33941 274 21 the the DT 33941 274 22 end end NN 33941 274 23 of of IN 33941 274 24 the the DT 33941 274 25 inner inner JJ 33941 274 26 blue blue JJ 33941 274 27 part part NN 33941 274 28 of of IN 33941 274 29 the the DT 33941 274 30 flame flame NN 33941 274 31 ( ( -LRB- 33941 274 32 _ _ NNP 33941 274 33 A A NNP 33941 274 34 _ _ NNP 33941 274 35 Fig Fig NNP 33941 274 36 . . . 33941 275 1 4 4 LS 33941 275 2 ) ) -RRB- 33941 275 3 ; ; : 33941 275 4 the the DT 33941 275 5 appearance appearance NN 33941 275 6 of of IN 33941 275 7 the the DT 33941 275 8 glass glass NN 33941 275 9 will will MD 33941 275 10 quickly quickly RB 33941 275 11 indicate indicate VB 33941 275 12 reduction reduction NN 33941 275 13 . . . 33941 276 1 When when WRB 33941 276 2 this this DT 33941 276 3 occurs occur VBZ 33941 276 4 move move VB 33941 276 5 the the DT 33941 276 6 glass glass NN 33941 276 7 forward forward RB 33941 276 8 to to IN 33941 276 9 the the DT 33941 276 10 end end NN 33941 276 11 of of IN 33941 276 12 the the DT 33941 276 13 outer outer JJ 33941 276 14 zone zone NN 33941 276 15 _ _ NNP 33941 276 16 B B NNP 33941 276 17 _ _ NNP 33941 276 18 , , , 33941 276 19 but but CC 33941 276 20 keep keep VB 33941 276 21 it -PRON- PRP 33941 276 22 sufficiently sufficiently RB 33941 276 23 within within IN 33941 276 24 the the DT 33941 276 25 flame flame NN 33941 276 26 to to TO 33941 276 27 maintain maintain VB 33941 276 28 it -PRON- PRP 33941 276 29 at at IN 33941 276 30 a a DT 33941 276 31 high high JJ 33941 276 32 temperature temperature NN 33941 276 33 . . . 33941 277 1 If if IN 33941 277 2 all all DT 33941 277 3 is be VBZ 33941 277 4 right right JJ 33941 277 5 the the DT 33941 277 6 metallic metallic JJ 33941 277 7 reduction reduction NN 33941 277 8 will will MD 33941 277 9 quickly quickly RB 33941 277 10 disappear disappear VB 33941 277 11 , , , 33941 277 12 the the DT 33941 277 13 glass glass NN 33941 277 14 will will MD 33941 277 15 become become VB 33941 277 16 perfectly perfectly RB 33941 277 17 transparent transparent JJ 33941 277 18 once once RB 33941 277 19 more more RBR 33941 277 20 , , , 33941 277 21 and and CC 33941 277 22 will will MD 33941 277 23 present present VB 33941 277 24 the the DT 33941 277 25 appearance appearance NN 33941 277 26 previously previously RB 33941 277 27 observed observe VBN 33941 277 28 in in IN 33941 277 29 the the DT 33941 277 30 experiments experiment NNS 33941 277 31 with with IN 33941 277 32 the the DT 33941 277 33 pointed pointed JJ 33941 277 34 flame flame NN 33941 277 35 , , , 33941 277 36 or or CC 33941 277 37 , , , 33941 277 38 if if IN 33941 277 39 very very RB 33941 277 40 hot hot JJ 33941 277 41 , , , 33941 277 42 assume assume VBP 33941 277 43 a a DT 33941 277 44 brownish brownish JJ 33941 277 45 - - HYPH 33941 277 46 red red JJ 33941 277 47 appearance appearance NN 33941 277 48 . . . 33941 278 1 If if IN 33941 278 2 this this DT 33941 278 3 does do VBZ 33941 278 4 not not RB 33941 278 5 occur occur VB 33941 278 6 , , , 33941 278 7 the the DT 33941 278 8 supply supply NN 33941 278 9 of of IN 33941 278 10 air air NN 33941 278 11 must must MD 33941 278 12 be be VB 33941 278 13 increased increase VBN 33941 278 14 or or CC 33941 278 15 the the DT 33941 278 16 supply supply NN 33941 278 17 of of IN 33941 278 18 gas gas NN 33941 278 19 diminished diminish VBN 33941 278 20 until until IN 33941 278 21 the the DT 33941 278 22 proper proper JJ 33941 278 23 effects effect NNS 33941 278 24 are be VBP 33941 278 25 secured secure VBN 33941 278 26 . . . 33941 279 1 [ [ -LRB- 33941 279 2 5 5 CD 33941 279 3 ] ] -RRB- 33941 279 4 Nevertheless nevertheless RB 33941 279 5 the the DT 33941 279 6 supply supply NN 33941 279 7 of of IN 33941 279 8 air air NN 33941 279 9 must must MD 33941 279 10 not not RB 33941 279 11 be be VB 33941 279 12 so so RB 33941 279 13 excessive excessive JJ 33941 279 14 as as IN 33941 279 15 to to TO 33941 279 16 reduce reduce VB 33941 279 17 the the DT 33941 279 18 temperature temperature NN 33941 279 19 of of IN 33941 279 20 the the DT 33941 279 21 flame flame NN 33941 279 22 sufficiently sufficiently RB 33941 279 23 to to TO 33941 279 24 prevent prevent VB 33941 279 25 the the DT 33941 279 26 thorough thorough JJ 33941 279 27 softening softening NN 33941 279 28 of of IN 33941 279 29 the the DT 33941 279 30 glass glass NN 33941 279 31 , , , 33941 279 32 which which WDT 33941 279 33 will will MD 33941 279 34 occur occur VB 33941 279 35 if if IN 33941 279 36 the the DT 33941 279 37 bellows bellow NNS 33941 279 38 is be VBZ 33941 279 39 worked work VBN 33941 279 40 with with IN 33941 279 41 too too RB 33941 279 42 much much JJ 33941 279 43 zeal zeal NN 33941 279 44 . . . 33941 280 1 In in IN 33941 280 2 working work VBG 33941 280 3 upon upon IN 33941 280 4 lead lead JJ 33941 280 5 glass glass NN 33941 280 6 with with IN 33941 280 7 the the DT 33941 280 8 highly highly RB 33941 280 9 oxidising oxidising JJ 33941 280 10 brush brush NN 33941 280 11 flame flame NN 33941 280 12 , , , 33941 280 13 it -PRON- PRP 33941 280 14 is be VBZ 33941 280 15 a a DT 33941 280 16 good good JJ 33941 280 17 plan plan NN 33941 280 18 to to TO 33941 280 19 heat heat VB 33941 280 20 it -PRON- PRP 33941 280 21 in in IN 33941 280 22 the the DT 33941 280 23 reducing reduce VBG 33941 280 24 part part NN 33941 280 25 of of IN 33941 280 26 the the DT 33941 280 27 flame flame NN 33941 280 28 _ _ NNP 33941 280 29 A A NNP 33941 280 30 _ _ NNP 33941 280 31 for for IN 33941 280 32 thoroughly thoroughly RB 33941 280 33 softening soften VBG 33941 280 34 the the DT 33941 280 35 glass glass NN 33941 280 36 , , , 33941 280 37 and and CC 33941 280 38 to to TO 33941 280 39 remove remove VB 33941 280 40 it -PRON- PRP 33941 280 41 to to IN 33941 280 42 the the DT 33941 280 43 oxidising oxidising JJ 33941 280 44 flame flame NN 33941 280 45 _ _ NNP 33941 280 46 B B NNP 33941 280 47 _ _ NNP 33941 280 48 to to TO 33941 280 49 burn burn VB 33941 280 50 away away RB 33941 280 51 the the DT 33941 280 52 reduced reduce VBN 33941 280 53 metal metal NN 33941 280 54 . . . 33941 281 1 In in IN 33941 281 2 prolonged prolonged JJ 33941 281 3 operations operation NNS 33941 281 4 , , , 33941 281 5 in in IN 33941 281 6 order order NN 33941 281 7 that that IN 33941 281 8 reduction reduction NN 33941 281 9 may may MD 33941 281 10 never never RB 33941 281 11 go go VB 33941 281 12 too too RB 33941 281 13 far far RB 33941 281 14 , , , 33941 281 15 hold hold VB 33941 281 16 the the DT 33941 281 17 glass glass NN 33941 281 18 alternately alternately RB 33941 281 19 in in IN 33941 281 20 the the DT 33941 281 21 hot hot JJ 33941 281 22 reducing reduce VBG 33941 281 23 flame flame NN 33941 281 24 and and CC 33941 281 25 in in IN 33941 281 26 the the DT 33941 281 27 oxidising oxidising JJ 33941 281 28 flame flame NN 33941 281 29 . . . 33941 282 1 The the DT 33941 282 2 inferiority inferiority NN 33941 282 3 of of IN 33941 282 4 the the DT 33941 282 5 outer outer JJ 33941 282 6 oxidising oxidising JJ 33941 282 7 flame flame NN 33941 282 8 to to IN 33941 282 9 those those DT 33941 282 10 portions portion NNS 33941 282 11 nearer nearer VB 33941 282 12 the the DT 33941 282 13 inner inner JJ 33941 282 14 blue blue JJ 33941 282 15 zone zone NN 33941 282 16 for for IN 33941 282 17 softening soften VBG 33941 282 18 the the DT 33941 282 19 glass glass NN 33941 282 20 , , , 33941 282 21 may may MD 33941 282 22 perhaps perhaps RB 33941 282 23 be be VB 33941 282 24 accounted account VBN 33941 282 25 for for IN 33941 282 26 by by IN 33941 282 27 the the DT 33941 282 28 presence presence NN 33941 282 29 of of IN 33941 282 30 a a DT 33941 282 31 larger large JJR 33941 282 32 proportion proportion NN 33941 282 33 of of IN 33941 282 34 unconsumed unconsumed JJ 33941 282 35 air air NN 33941 282 36 in in IN 33941 282 37 the the DT 33941 282 38 former former JJ 33941 282 39 , , , 33941 282 40 which which WDT 33941 282 41 being be VBG 33941 282 42 heated heat VBN 33941 282 43 at at IN 33941 282 44 the the DT 33941 282 45 expense expense NN 33941 282 46 of of IN 33941 282 47 the the DT 33941 282 48 hot hot JJ 33941 282 49 gases gas NNS 33941 282 50 produced produce VBN 33941 282 51 by by IN 33941 282 52 combustion combustion NN 33941 282 53 , , , 33941 282 54 thereby thereby RB 33941 282 55 lowers lower VBZ 33941 282 56 the the DT 33941 282 57 temperature temperature NN 33941 282 58 of of IN 33941 282 59 the the DT 33941 282 60 flame flame NN 33941 282 61 . . . 33941 283 1 At at IN 33941 283 2 or or CC 33941 283 3 near near IN 33941 283 4 _ _ NNP 33941 283 5 A A NNP 33941 283 6 _ _ NNP 33941 283 7 ( ( -LRB- 33941 283 8 Fig fig NN 33941 283 9 . . . 33941 284 1 4 4 LS 33941 284 2 ) ) -RRB- 33941 284 3 where where WRB 33941 284 4 the the DT 33941 284 5 combustion combustion NN 33941 284 6 is be VBZ 33941 284 7 nearly nearly RB 33941 284 8 complete complete JJ 33941 284 9 , , , 33941 284 10 but but CC 33941 284 11 no no DT 33941 284 12 excess excess NN 33941 284 13 of of IN 33941 284 14 air air NN 33941 284 15 exists exist VBZ 33941 284 16 , , , 33941 284 17 the the DT 33941 284 18 temperature temperature NN 33941 284 19 will will MD 33941 284 20 naturally naturally RB 33941 284 21 be be VB 33941 284 22 highest high JJS 33941 284 23 . . . 33941 285 1 If if IN 33941 285 2 a a DT 33941 285 3 very very RB 33941 285 4 large large JJ 33941 285 5 tube tube NN 33941 285 6 be be VB 33941 285 7 rotated rotate VBN 33941 285 8 in in IN 33941 285 9 the the DT 33941 285 10 oxidising oxidising JJ 33941 285 11 flame flame NN 33941 285 12 at at IN 33941 285 13 _ _ NNP 33941 285 14 B B NNP 33941 285 15 _ _ NNP 33941 285 16 ( ( -LRB- 33941 285 17 Fig Fig NNP 33941 285 18 . . . 33941 286 1 4 4 LS 33941 286 2 ) ) -RRB- 33941 286 3 it -PRON- PRP 33941 286 4 may may MD 33941 286 5 happen happen VB 33941 286 6 that that IN 33941 286 7 the the DT 33941 286 8 flame flame NN 33941 286 9 is be VBZ 33941 286 10 not not RB 33941 286 11 large large JJ 33941 286 12 enough enough RB 33941 286 13 to to TO 33941 286 14 surround surround VB 33941 286 15 the the DT 33941 286 16 tube tube NN 33941 286 17 , , , 33941 286 18 and and CC 33941 286 19 that that IN 33941 286 20 as as IN 33941 286 21 it -PRON- PRP 33941 286 22 is be VBZ 33941 286 23 rotated rotate VBN 33941 286 24 those those DT 33941 286 25 parts part NNS 33941 286 26 of of IN 33941 286 27 it -PRON- PRP 33941 286 28 which which WDT 33941 286 29 are be VBP 33941 286 30 most most RBS 33941 286 31 remote remote JJ 33941 286 32 from from IN 33941 286 33 the the DT 33941 286 34 flame flame NN 33941 286 35 will will MD 33941 286 36 cool cool VB 33941 286 37 down down RP 33941 286 38 too too RB 33941 286 39 considerably considerably RB 33941 286 40 to to TO 33941 286 41 allow allow VB 33941 286 42 all all DT 33941 286 43 parts part NNS 33941 286 44 of of IN 33941 286 45 the the DT 33941 286 46 tube tube NN 33941 286 47 to to TO 33941 286 48 be be VB 33941 286 49 simultaneously simultaneously RB 33941 286 50 brought bring VBN 33941 286 51 into into IN 33941 286 52 the the DT 33941 286 53 desired desire VBN 33941 286 54 condition condition NN 33941 286 55 . . . 33941 287 1 This this DT 33941 287 2 difficulty difficulty NN 33941 287 3 may may MD 33941 287 4 be be VB 33941 287 5 overcome overcome VBN 33941 287 6 by by IN 33941 287 7 placing place VBG 33941 287 8 two two CD 33941 287 9 blow blow NN 33941 287 10 - - HYPH 33941 287 11 pipes pipe NNS 33941 287 12 exactly exactly RB 33941 287 13 opposite opposite JJ 33941 287 14 to to IN 33941 287 15 each each DT 33941 287 16 other other JJ 33941 287 17 , , , 33941 287 18 at at IN 33941 287 19 such such PDT 33941 287 20 a a DT 33941 287 21 distance distance NN 33941 287 22 that that IN 33941 287 23 there there EX 33941 287 24 is be VBZ 33941 287 25 an an DT 33941 287 26 interval interval NN 33941 287 27 of of IN 33941 287 28 about about RB 33941 287 29 an an DT 33941 287 30 inch inch NN 33941 287 31 between between IN 33941 287 32 the the DT 33941 287 33 extremities extremity NNS 33941 287 34 of of IN 33941 287 35 their -PRON- PRP$ 33941 287 36 flames flame NNS 33941 287 37 , , , 33941 287 38 and and CC 33941 287 39 rotating rotate VBG 33941 287 40 the the DT 33941 287 41 tube tube NN 33941 287 42 between between IN 33941 287 43 the the DT 33941 287 44 two two CD 33941 287 45 flames flame NNS 33941 287 46 . . . 33941 288 1 It -PRON- PRP 33941 288 2 may may MD 33941 288 3 be be VB 33941 288 4 necessary necessary JJ 33941 288 5 to to TO 33941 288 6 provide provide VB 33941 288 7 two two CD 33941 288 8 blowers blower NNS 33941 288 9 for for IN 33941 288 10 the the DT 33941 288 11 blow blow NN 33941 288 12 - - HYPH 33941 288 13 pipes pipe NNS 33941 288 14 if if IN 33941 288 15 they -PRON- PRP 33941 288 16 are be VBP 33941 288 17 large large JJ 33941 288 18 . . . 33941 289 1 Again again RB 33941 289 2 , , , 33941 289 3 if if IN 33941 289 4 a a DT 33941 289 5 very very RB 33941 289 6 narrow narrow JJ 33941 289 7 zone zone NN 33941 289 8 of of IN 33941 289 9 a a DT 33941 289 10 tube tube NN 33941 289 11 of of IN 33941 289 12 moderate moderate JJ 33941 289 13 size size NN 33941 289 14 is be VBZ 33941 289 15 to to TO 33941 289 16 be be VB 33941 289 17 heated heat VBN 33941 289 18 , , , 33941 289 19 two two CD 33941 289 20 pointed pointed JJ 33941 289 21 flames flame NNS 33941 289 22 may may MD 33941 289 23 be be VB 33941 289 24 similarly similarly RB 33941 289 25 arranged arrange VBN 33941 289 26 with with IN 33941 289 27 advantage advantage NN 33941 289 28 . . . 33941 290 1 Occasionally occasionally RB 33941 290 2 more more JJR 33941 290 3 than than IN 33941 290 4 two two CD 33941 290 5 flames flame NNS 33941 290 6 are be VBP 33941 290 7 made make VBN 33941 290 8 to to TO 33941 290 9 converge converge VB 33941 290 10 upon upon IN 33941 290 11 one one CD 33941 290 12 tube tube NN 33941 290 13 in in IN 33941 290 14 this this DT 33941 290 15 manner manner NN 33941 290 16 . . . 33941 291 1 Another another DT 33941 291 2 method method NN 33941 291 3 of of IN 33941 291 4 preventing prevent VBG 33941 291 5 one one CD 33941 291 6 side side NN 33941 291 7 of of IN 33941 291 8 a a DT 33941 291 9 tube tube NN 33941 291 10 from from IN 33941 291 11 cooling cool VBG 33941 291 12 down down RP 33941 291 13 whilst whilst IN 33941 291 14 the the DT 33941 291 15 other other JJ 33941 291 16 is be VBZ 33941 291 17 presented present VBN 33941 291 18 to to IN 33941 291 19 the the DT 33941 291 20 flame flame NN 33941 291 21 , , , 33941 291 22 is be VBZ 33941 291 23 to to TO 33941 291 24 place place VB 33941 291 25 a a DT 33941 291 26 brick brick NN 33941 291 27 at at IN 33941 291 28 a a DT 33941 291 29 short short JJ 33941 291 30 distance distance NN 33941 291 31 from from IN 33941 291 32 the the DT 33941 291 33 extremity extremity NN 33941 291 34 of of IN 33941 291 35 the the DT 33941 291 36 flame flame NN 33941 291 37 . . . 33941 292 1 The the DT 33941 292 2 brick brick NN 33941 292 3 checks check VBZ 33941 292 4 the the DT 33941 292 5 loss loss NN 33941 292 6 of of IN 33941 292 7 heat heat NN 33941 292 8 considerably considerably RB 33941 292 9 . . . 33941 293 1 A a DT 33941 293 2 block block NN 33941 293 3 of of IN 33941 293 4 beech beech JJ 33941 293 5 wood wood NN 33941 293 6 may may MD 33941 293 7 be be VB 33941 293 8 used use VBN 33941 293 9 for for IN 33941 293 10 the the DT 33941 293 11 same same JJ 33941 293 12 purpose purpose NN 33941 293 13 , , , 33941 293 14 the the DT 33941 293 15 wood wood NN 33941 293 16 ignites ignite NNS 33941 293 17 and and CC 33941 293 18 thereby thereby RB 33941 293 19 itself -PRON- PRP 33941 293 20 becomes become VBZ 33941 293 21 a a DT 33941 293 22 source source NN 33941 293 23 of of IN 33941 293 24 heat heat NN 33941 293 25 , , , 33941 293 26 and and CC 33941 293 27 is be VBZ 33941 293 28 even even RB 33941 293 29 more more RBR 33941 293 30 effective effective JJ 33941 293 31 than than IN 33941 293 32 a a DT 33941 293 33 brick brick NN 33941 293 34 . . . 33941 294 1 Fuller full JJR 33941 294 2 details detail NNS 33941 294 3 of of IN 33941 294 4 the the DT 33941 294 5 management management NN 33941 294 6 of of IN 33941 294 7 lead lead JJ 33941 294 8 glass glass NN 33941 294 9 under under IN 33941 294 10 various various JJ 33941 294 11 circumstances circumstance NNS 33941 294 12 will will MD 33941 294 13 be be VB 33941 294 14 found find VBN 33941 294 15 in in IN 33941 294 16 the the DT 33941 294 17 subsequent subsequent JJ 33941 294 18 descriptions description NNS 33941 294 19 of of IN 33941 294 20 operations operation NNS 33941 294 21 before before IN 33941 294 22 the the DT 33941 294 23 blow blow NN 33941 294 24 - - HYPH 33941 294 25 pipe pipe NN 33941 294 26 . . . 33941 295 1 Before before IN 33941 295 2 proceeding proceed VBG 33941 295 3 to to IN 33941 295 4 work work VB 33941 295 5 with with IN 33941 295 6 soda soda NN 33941 295 7 glass glass NN 33941 295 8 , , , 33941 295 9 the the DT 33941 295 10 student student NN 33941 295 11 should should MD 33941 295 12 not not RB 33941 295 13 only only RB 33941 295 14 verify verify VB 33941 295 15 by by IN 33941 295 16 experiments experiment NNS 33941 295 17 what what WP 33941 295 18 has have VBZ 33941 295 19 been be VBN 33941 295 20 already already RB 33941 295 21 said say VBN 33941 295 22 , , , 33941 295 23 but but CC 33941 295 24 he -PRON- PRP 33941 295 25 should should MD 33941 295 26 familiarise familiarise VB 33941 295 27 himself -PRON- PRP 33941 295 28 with with IN 33941 295 29 the the DT 33941 295 30 action action NN 33941 295 31 of of IN 33941 295 32 the the DT 33941 295 33 blow blow NN 33941 295 34 - - HYPH 33941 295 35 pipe pipe NN 33941 295 36 flame flame NN 33941 295 37 on on IN 33941 295 38 lead lead JJ 33941 295 39 glass glass NN 33941 295 40 by by IN 33941 295 41 trying try VBG 33941 295 42 the the DT 33941 295 43 glass glass NN 33941 295 44 in in IN 33941 295 45 every every DT 33941 295 46 part part NN 33941 295 47 of of IN 33941 295 48 the the DT 33941 295 49 flame flame NN 33941 295 50 , , , 33941 295 51 varying vary VBG 33941 295 52 the the DT 33941 295 53 proportions proportion NNS 33941 295 54 of of IN 33941 295 55 gas gas NN 33941 295 56 and and CC 33941 295 57 air air NN 33941 295 58 in in IN 33941 295 59 every every DT 33941 295 60 way way NN 33941 295 61 , , , 33941 295 62 repeating repeat VBG 33941 295 63 , , , 33941 295 64 and and CC 33941 295 65 repeating repeat VBG 33941 295 66 , , , 33941 295 67 his -PRON- PRP$ 33941 295 68 experiments experiment NNS 33941 295 69 until until IN 33941 295 70 he -PRON- PRP 33941 295 71 can can MD 33941 295 72 obtain obtain VB 33941 295 73 any any DT 33941 295 74 desired desire VBN 33941 295 75 effect effect NN 33941 295 76 with with IN 33941 295 77 certainty certainty NN 33941 295 78 and and CC 33941 295 79 promptitude promptitude NN 33941 295 80 . . . 33941 296 1 He -PRON- PRP 33941 296 2 should should MD 33941 296 3 practice practice VB 33941 296 4 some some DT 33941 296 5 of of IN 33941 296 6 the the DT 33941 296 7 simpler simple JJR 33941 296 8 operations operation NNS 33941 296 9 given give VBN 33941 296 10 in in IN 33941 296 11 Chapter Chapter NNP 33941 296 12 III III NNP 33941 296 13 . . . 33941 297 1 in in IN 33941 297 2 order order NN 33941 297 3 to to TO 33941 297 4 impress impress VB 33941 297 5 what what WP 33941 297 6 he -PRON- PRP 33941 297 7 has have VBZ 33941 297 8 learned learn VBN 33941 297 9 well well RB 33941 297 10 on on IN 33941 297 11 his -PRON- PRP$ 33941 297 12 mind mind NN 33941 297 13 . . . 33941 298 1 = = NFP 33941 298 2 Management Management NNP 33941 298 3 of of IN 33941 298 4 Soda Soda NNP 33941 298 5 Glass.=--In Glass.=--In NNP 33941 298 6 working work VBG 33941 298 7 with with IN 33941 298 8 soda soda NN 33941 298 9 glass glass VB 33941 298 10 the the DT 33941 298 11 following follow VBG 33941 298 12 points point NNS 33941 298 13 must must MD 33941 298 14 be be VB 33941 298 15 constantly constantly RB 33941 298 16 kept keep VBN 33941 298 17 in in IN 33941 298 18 mind mind NN 33941 298 19 . . . 33941 299 1 That that IN 33941 299 2 as as IN 33941 299 3 it -PRON- PRP 33941 299 4 is be VBZ 33941 299 5 much much RB 33941 299 6 more more JJR 33941 299 7 apt apt JJ 33941 299 8 than than IN 33941 299 9 lead lead JJ 33941 299 10 glass glass NN 33941 299 11 to to TO 33941 299 12 crack crack VB 33941 299 13 when when WRB 33941 299 14 suddenly suddenly RB 33941 299 15 heated heated JJ 33941 299 16 , , , 33941 299 17 great great JJ 33941 299 18 caution caution NN 33941 299 19 must must MD 33941 299 20 be be VB 33941 299 21 exercised exercise VBN 33941 299 22 in in IN 33941 299 23 bringing bring VBG 33941 299 24 it -PRON- PRP 33941 299 25 into into IN 33941 299 26 the the DT 33941 299 27 flame flame NN 33941 299 28 ; ; : 33941 299 29 and and CC 33941 299 30 that that IN 33941 299 31 in in IN 33941 299 32 making make VBG 33941 299 33 large large JJ 33941 299 34 joints joint NNS 33941 299 35 or or CC 33941 299 36 in in IN 33941 299 37 making make VBG 33941 299 38 two two CD 33941 299 39 joints joint NNS 33941 299 40 near near IN 33941 299 41 each each DT 33941 299 42 other other JJ 33941 299 43 , , , 33941 299 44 all all DT 33941 299 45 parts part NNS 33941 299 46 of of IN 33941 299 47 the the DT 33941 299 48 tube tube NN 33941 299 49 adjacent adjacent JJ 33941 299 50 to to IN 33941 299 51 that that DT 33941 299 52 which which WDT 33941 299 53 , , , 33941 299 54 for for IN 33941 299 55 the the DT 33941 299 56 moment moment NN 33941 299 57 , , , 33941 299 58 is be VBZ 33941 299 59 being be VBG 33941 299 60 heated heat VBN 33941 299 61 , , , 33941 299 62 must must MD 33941 299 63 be be VB 33941 299 64 kept keep VBN 33941 299 65 hot hot JJ 33941 299 66 , , , 33941 299 67 as as IN 33941 299 68 it -PRON- PRP 33941 299 69 is be VBZ 33941 299 70 very very RB 33941 299 71 apt apt JJ 33941 299 72 to to TO 33941 299 73 crack crack VB 33941 299 74 when when WRB 33941 299 75 adjacent adjacent JJ 33941 299 76 parts part NNS 33941 299 77 are be VBP 33941 299 78 unequally unequally RB 33941 299 79 heated heated JJ 33941 299 80 . . . 33941 300 1 This this DT 33941 300 2 may may MD 33941 300 3 be be VB 33941 300 4 effected effect VBN 33941 300 5 by by IN 33941 300 6 stopping stop VBG 33941 300 7 work work NN 33941 300 8 at at IN 33941 300 9 short short JJ 33941 300 10 intervals interval NNS 33941 300 11 and and CC 33941 300 12 warming warm VBG 33941 300 13 the the DT 33941 300 14 cooler cooler NN 33941 300 15 parts part NNS 33941 300 16 of of IN 33941 300 17 the the DT 33941 300 18 tube tube NN 33941 300 19 , , , 33941 300 20 or or CC 33941 300 21 by by IN 33941 300 22 the the DT 33941 300 23 use use NN 33941 300 24 of of IN 33941 300 25 the the DT 33941 300 26 brick brick NN 33941 300 27 or or CC 33941 300 28 block block NN 33941 300 29 of of IN 33941 300 30 wood wood NN 33941 300 31 to to TO 33941 300 32 check check VB 33941 300 33 radiation radiation NN 33941 300 34 , , , 33941 300 35 or or CC 33941 300 36 even even RB 33941 300 37 by by IN 33941 300 38 placing place VBG 33941 300 39 a a DT 33941 300 40 supplementary supplementary JJ 33941 300 41 blow blow NN 33941 300 42 - - HYPH 33941 300 43 pipe pipe NN 33941 300 44 or or CC 33941 300 45 Bunsen bunsen JJ 33941 300 46 burner burner NN 33941 300 47 in in IN 33941 300 48 such such PDT 33941 300 49 a a DT 33941 300 50 position position NN 33941 300 51 that that IN 33941 300 52 its -PRON- PRP$ 33941 300 53 flame flame NN 33941 300 54 plays play VBZ 33941 300 55 upon upon IN 33941 300 56 the the DT 33941 300 57 more more RBR 33941 300 58 distant distant JJ 33941 300 59 parts part NNS 33941 300 60 of of IN 33941 300 61 the the DT 33941 300 62 work work NN 33941 300 63 , , , 33941 300 64 not not RB 33941 300 65 coming come VBG 33941 300 66 sufficiently sufficiently RB 33941 300 67 into into IN 33941 300 68 contact contact NN 33941 300 69 to to TO 33941 300 70 soften soften VB 33941 300 71 the the DT 33941 300 72 glass glass NN 33941 300 73 , , , 33941 300 74 however however RB 33941 300 75 , , , 33941 300 76 but but CC 33941 300 77 near near IN 33941 300 78 enough enough RB 33941 300 79 to to TO 33941 300 80 keep keep VB 33941 300 81 it -PRON- PRP 33941 300 82 well well RB 33941 300 83 heated heated JJ 33941 300 84 . . . 33941 301 1 Lastly lastly RB 33941 301 2 , , , 33941 301 3 to to TO 33941 301 4 prevent prevent VB 33941 301 5 the the DT 33941 301 6 finished finished JJ 33941 301 7 work work NN 33941 301 8 from from IN 33941 301 9 falling fall VBG 33941 301 10 to to IN 33941 301 11 pieces piece NNS 33941 301 12 after after IN 33941 301 13 or or CC 33941 301 14 during during IN 33941 301 15 cooling cooling NN 33941 301 16 , , , 33941 301 17 the the DT 33941 301 18 directions direction NNS 33941 301 19 given give VBN 33941 301 20 under under IN 33941 301 21 the the DT 33941 301 22 head head NN 33941 301 23 of of IN 33941 301 24 annealing annealing NN 33941 301 25 must must MD 33941 301 26 be be VB 33941 301 27 carefully carefully RB 33941 301 28 carried carry VBN 33941 301 29 out out RP 33941 301 30 . . . 33941 302 1 In in IN 33941 302 2 very very RB 33941 302 3 much much JJ 33941 302 4 of of IN 33941 302 5 his -PRON- PRP$ 33941 302 6 work work NN 33941 302 7 the the DT 33941 302 8 glass glass NN 33941 302 9 - - HYPH 33941 302 10 blower blower NN 33941 302 11 is be VBZ 33941 302 12 guided guide VBN 33941 302 13 more more RBR 33941 302 14 by by IN 33941 302 15 the the DT 33941 302 16 _ _ NNP 33941 302 17 feel feel VBP 33941 302 18 _ _ NNP 33941 302 19 of of IN 33941 302 20 the the DT 33941 302 21 glass glass NN 33941 302 22 than than IN 33941 302 23 by by IN 33941 302 24 what what WP 33941 302 25 he -PRON- PRP 33941 302 26 sees see VBZ 33941 302 27 . . . 33941 303 1 The the DT 33941 303 2 power power NN 33941 303 3 of of IN 33941 303 4 feeling feeling NN 33941 303 5 glass glass NN 33941 303 6 can can MD 33941 303 7 only only RB 33941 303 8 be be VB 33941 303 9 acquired acquire VBN 33941 303 10 by by IN 33941 303 11 practice practice NN 33941 303 12 , , , 33941 303 13 and and CC 33941 303 14 after after IN 33941 303 15 a a DT 33941 303 16 certain certain JJ 33941 303 17 amount amount NN 33941 303 18 of of IN 33941 303 19 preliminary preliminary JJ 33941 303 20 failure failure NN 33941 303 21 . . . 33941 304 1 As as IN 33941 304 2 a a DT 33941 304 3 rule rule NN 33941 304 4 I -PRON- PRP 33941 304 5 have have VBP 33941 304 6 observed observe VBN 33941 304 7 that that IN 33941 304 8 beginners beginner NNS 33941 304 9 are be VBP 33941 304 10 apt apt JJ 33941 304 11 to to TO 33941 304 12 raise raise VB 33941 304 13 their -PRON- PRP$ 33941 304 14 glass glass NN 33941 304 15 to to IN 33941 304 16 a a DT 33941 304 17 higher high JJR 33941 304 18 temperature temperature NN 33941 304 19 than than IN 33941 304 20 is be VBZ 33941 304 21 necessary necessary JJ 33941 304 22 , , , 33941 304 23 and and CC 33941 304 24 that that IN 33941 304 25 they -PRON- PRP 33941 304 26 employ employ VBP 33941 304 27 larger large JJR 33941 304 28 flames flame NNS 33941 304 29 than than IN 33941 304 30 are be VBP 33941 304 31 wanted want VBN 33941 304 32 . . . 33941 305 1 If if IN 33941 305 2 glass glass NN 33941 305 3 be be VB 33941 305 4 made make VBN 33941 305 5 too too RB 33941 305 6 soft soft JJ 33941 305 7 it -PRON- PRP 33941 305 8 may may MD 33941 305 9 fall fall VB 33941 305 10 so so RB 33941 305 11 completely completely RB 33941 305 12 out out IN 33941 305 13 of of IN 33941 305 14 shape shape NN 33941 305 15 as as IN 33941 305 16 to to TO 33941 305 17 become become VB 33941 305 18 unworkable unworkable JJ 33941 305 19 except except IN 33941 305 20 in in IN 33941 305 21 very very RB 33941 305 22 skilful skilful JJ 33941 305 23 hands hand NNS 33941 305 24 . . . 33941 306 1 The the DT 33941 306 2 following follow VBG 33941 306 3 rules rule NNS 33941 306 4 , , , 33941 306 5 therefore therefore RB 33941 306 6 , , , 33941 306 7 should should MD 33941 306 8 be be VB 33941 306 9 strictly strictly RB 33941 306 10 adhered adhere VBN 33941 306 11 to to IN 33941 306 12 . . . 33941 307 1 Always always RB 33941 307 2 employ employ VB 33941 307 3 in in IN 33941 307 4 the the DT 33941 307 5 first first JJ 33941 307 6 instance instance NN 33941 307 7 the the DT 33941 307 8 smallest small JJS 33941 307 9 flame flame NN 33941 307 10 that that WDT 33941 307 11 is be VBZ 33941 307 12 likely likely JJ 33941 307 13 to to TO 33941 307 14 do do VB 33941 307 15 the the DT 33941 307 16 work work NN 33941 307 17 required require VBN 33941 307 18 . . . 33941 308 1 In in IN 33941 308 2 operations operation NNS 33941 308 3 involving involve VBG 33941 308 4 _ _ NNP 33941 308 5 blowing blow VBG 33941 308 6 out out RP 33941 308 7 _ _ NNP 33941 308 8 viscous viscous JJ 33941 308 9 glass glass NN 33941 308 10 , , , 33941 308 11 attempt attempt VB 33941 308 12 to to TO 33941 308 13 blow blow VB 33941 308 14 the the DT 33941 308 15 glass glass NN 33941 308 16 at at IN 33941 308 17 low low JJ 33941 308 18 temperatures temperature NNS 33941 308 19 before before IN 33941 308 20 higher high JJR 33941 308 21 ones one NNS 33941 308 22 are be VBP 33941 308 23 tried try VBN 33941 308 24 . . . 33941 309 1 After after IN 33941 309 2 a a DT 33941 309 3 little little JJ 33941 309 4 experience experience NN 33941 309 5 the the DT 33941 309 6 adoption adoption NN 33941 309 7 of of IN 33941 309 8 the the DT 33941 309 9 right right JJ 33941 309 10 - - HYPH 33941 309 11 sized sized JJ 33941 309 12 flame flame NN 33941 309 13 for for IN 33941 309 14 a a DT 33941 309 15 given give VBN 33941 309 16 purpose purpose NN 33941 309 17 , , , 33941 309 18 and and CC 33941 309 19 the the DT 33941 309 20 perception perception NN 33941 309 21 of of IN 33941 309 22 the the DT 33941 309 23 best good JJS 33941 309 24 condition condition NN 33941 309 25 of of IN 33941 309 26 glass glass NN 33941 309 27 for for IN 33941 309 28 blowing blow VBG 33941 309 29 it -PRON- PRP 33941 309 30 , , , 33941 309 31 become become VB 33941 309 32 almost almost RB 33941 309 33 automatic automatic JJ 33941 309 34 . . . 33941 310 1 I -PRON- PRP 33941 310 2 may may MD 33941 310 3 add add VB 33941 310 4 that that DT 33941 310 5 glass glass NN 33941 310 6 which which WDT 33941 310 7 is be VBZ 33941 310 8 to to TO 33941 310 9 be be VB 33941 310 10 bent bent JJ 33941 310 11 needs need NNS 33941 310 12 to to TO 33941 310 13 be be VB 33941 310 14 much much RB 33941 310 15 less less RBR 33941 310 16 heated heated JJ 33941 310 17 than than IN 33941 310 18 glass glass NN 33941 310 19 which which WDT 33941 310 20 is be VBZ 33941 310 21 to to TO 33941 310 22 be be VB 33941 310 23 blown blow VBN 33941 310 24 . . . 33941 311 1 = = NFP 33941 311 2 Annealing.=--If Annealing.=--If NNP 33941 311 3 apparatus apparatus NNP 33941 311 4 , , , 33941 311 5 the the DT 33941 311 6 glass glass NN 33941 311 7 of of IN 33941 311 8 which which WDT 33941 311 9 is be VBZ 33941 311 10 very very RB 33941 311 11 thin thin JJ 33941 311 12 and and CC 33941 311 13 of of IN 33941 311 14 uniform uniform JJ 33941 311 15 substance substance NN 33941 311 16 , , , 33941 311 17 be be VB 33941 311 18 heated heat VBN 33941 311 19 , , , 33941 311 20 on on IN 33941 311 21 removal removal NN 33941 311 22 from from IN 33941 311 23 the the DT 33941 311 24 source source NN 33941 311 25 of of IN 33941 311 26 heat heat NN 33941 311 27 it -PRON- PRP 33941 311 28 will will MD 33941 311 29 cool cool VB 33941 311 30 equally equally RB 33941 311 31 throughout throughout RB 33941 311 32 , , , 33941 311 33 and and CC 33941 311 34 therefore therefore RB 33941 311 35 may may MD 33941 311 36 often often RB 33941 311 37 be be VB 33941 311 38 heated heat VBN 33941 311 39 and and CC 33941 311 40 cooled cool VBN 33941 311 41 without without IN 33941 311 42 any any DT 33941 311 43 special special JJ 33941 311 44 precautions precaution NNS 33941 311 45 . . . 33941 312 1 If if IN 33941 312 2 the the DT 33941 312 3 glass glass NN 33941 312 4 be be VB 33941 312 5 thick thick JJ 33941 312 6 , , , 33941 312 7 and and CC 33941 312 8 especially especially RB 33941 312 9 if if IN 33941 312 10 it -PRON- PRP 33941 312 11 be be VBP 33941 312 12 of of IN 33941 312 13 unequal unequal JJ 33941 312 14 thickness thickness NN 33941 312 15 in in IN 33941 312 16 various various JJ 33941 312 17 parts part NNS 33941 312 18 , , , 33941 312 19 the the DT 33941 312 20 thinner thin JJR 33941 312 21 portions portion NNS 33941 312 22 will will MD 33941 312 23 cool cool VB 33941 312 24 more more RBR 33941 312 25 quickly quickly RB 33941 312 26 than than IN 33941 312 27 those those DT 33941 312 28 which which WDT 33941 312 29 are be VBP 33941 312 30 more more RBR 33941 312 31 massive massive JJ 33941 312 32 ; ; : 33941 312 33 this this DT 33941 312 34 will will MD 33941 312 35 result result VB 33941 312 36 in in IN 33941 312 37 the the DT 33941 312 38 production production NN 33941 312 39 of of IN 33941 312 40 tension tension NN 33941 312 41 between between IN 33941 312 42 the the DT 33941 312 43 thicker thick JJR 33941 312 44 and and CC 33941 312 45 thinner thin JJR 33941 312 46 parts part NNS 33941 312 47 in in IN 33941 312 48 consequence consequence NN 33941 312 49 of of IN 33941 312 50 inequality inequality NN 33941 312 51 in in IN 33941 312 52 the the DT 33941 312 53 rates rate NNS 33941 312 54 of of IN 33941 312 55 contraction contraction NN 33941 312 56 , , , 33941 312 57 and and CC 33941 312 58 fractures fracture NNS 33941 312 59 will will MD 33941 312 60 occur occur VB 33941 312 61 either either CC 33941 312 62 spontaneously spontaneously RB 33941 312 63 or or CC 33941 312 64 upon upon IN 33941 312 65 any any DT 33941 312 66 sudden sudden JJ 33941 312 67 shock shock NN 33941 312 68 . . . 33941 313 1 Thus thus RB 33941 313 2 , , , 33941 313 3 if if IN 33941 313 4 a a DT 33941 313 5 hot hot JJ 33941 313 6 tube tube NN 33941 313 7 be be VB 33941 313 8 touched touch VBN 33941 313 9 with with IN 33941 313 10 cold cold JJ 33941 313 11 or or CC 33941 313 12 wet wet JJ 33941 313 13 iron iron NN 33941 313 14 , , , 33941 313 15 or or CC 33941 313 16 slightly slightly RB 33941 313 17 scratched scratch VBN 33941 313 18 with with IN 33941 313 19 a a DT 33941 313 20 cold cold JJ 33941 313 21 file file NN 33941 313 22 , , , 33941 313 23 the the DT 33941 313 24 inequality inequality NN 33941 313 25 of of IN 33941 313 26 the the DT 33941 313 27 rate rate NN 33941 313 28 of of IN 33941 313 29 cooling cooling NN 33941 313 30 is be VBZ 33941 313 31 great great JJ 33941 313 32 , , , 33941 313 33 and and CC 33941 313 34 it -PRON- PRP 33941 313 35 breaks break VBZ 33941 313 36 at at IN 33941 313 37 once once RB 33941 313 38 . . . 33941 314 1 It -PRON- PRP 33941 314 2 is be VBZ 33941 314 3 therefore therefore RB 33941 314 4 necessary necessary JJ 33941 314 5 to to TO 33941 314 6 secure secure VB 33941 314 7 that that DT 33941 314 8 hot hot JJ 33941 314 9 glass glass NN 33941 314 10 shall shall MD 33941 314 11 cool cool VB 33941 314 12 as as RB 33941 314 13 regularly regularly RB 33941 314 14 as as IN 33941 314 15 possible possible JJ 33941 314 16 . . . 33941 315 1 And and CC 33941 315 2 this this DT 33941 315 3 is be VBZ 33941 315 4 particularly particularly RB 33941 315 5 important important JJ 33941 315 6 in in IN 33941 315 7 the the DT 33941 315 8 case case NN 33941 315 9 of of IN 33941 315 10 articles article NNS 33941 315 11 made make VBN 33941 315 12 of of IN 33941 315 13 soda soda NN 33941 315 14 glass glass NN 33941 315 15 . . . 33941 316 1 Some some DT 33941 316 2 glass glass NN 33941 316 3 - - HYPH 33941 316 4 blowers blower NNS 33941 316 5 content content NN 33941 316 6 themselves -PRON- PRP 33941 316 7 with with IN 33941 316 8 permitting permit VBG 33941 316 9 the the DT 33941 316 10 glass glass NN 33941 316 11 to to TO 33941 316 12 cool cool VB 33941 316 13 gradually gradually RB 33941 316 14 in in IN 33941 316 15 a a DT 33941 316 16 smoky smoky JJ 33941 316 17 flame flame NN 33941 316 18 till till IN 33941 316 19 it -PRON- PRP 33941 316 20 is be VBZ 33941 316 21 covered cover VBN 33941 316 22 with with IN 33941 316 23 carbon carbon NN 33941 316 24 , , , 33941 316 25 and and CC 33941 316 26 then then RB 33941 316 27 leave leave VB 33941 316 28 it -PRON- PRP 33941 316 29 to to TO 33941 316 30 cool cool VB 33941 316 31 upon upon IN 33941 316 32 the the DT 33941 316 33 table table NN 33941 316 34 . . . 33941 317 1 But but CC 33941 317 2 under under IN 33941 317 3 this this DT 33941 317 4 treatment treatment NN 33941 317 5 many many JJ 33941 317 6 joints joint NNS 33941 317 7 made make VBN 33941 317 8 of of IN 33941 317 9 soda soda NN 33941 317 10 glass glass NN 33941 317 11 which which WDT 33941 317 12 are be VBP 33941 317 13 not not RB 33941 317 14 quite quite RB 33941 317 15 uniform uniform JJ 33941 317 16 in in IN 33941 317 17 substance substance NN 33941 317 18 , , , 33941 317 19 but but CC 33941 317 20 otherwise otherwise RB 33941 317 21 serviceable serviceable JJ 33941 317 22 , , , 33941 317 23 will will MD 33941 317 24 break break VB 33941 317 25 down down RP 33941 317 26 . . . 33941 318 1 In in IN 33941 318 2 glass glass NN 33941 318 3 - - HYPH 33941 318 4 works work VBZ 33941 318 5 the the DT 33941 318 6 annealing annealing NN 33941 318 7 is be VBZ 33941 318 8 done do VBN 33941 318 9 in in IN 33941 318 10 ovens oven NNS 33941 318 11 so so RB 33941 318 12 arranged arrange VBD 33941 318 13 that that IN 33941 318 14 the the DT 33941 318 15 glass glass NN 33941 318 16 enters enter VBZ 33941 318 17 at at IN 33941 318 18 the the DT 33941 318 19 hottest hot JJS 33941 318 20 end end NN 33941 318 21 of of IN 33941 318 22 the the DT 33941 318 23 oven oven NN 33941 318 24 where where WRB 33941 318 25 it -PRON- PRP 33941 318 26 is be VBZ 33941 318 27 uniformly uniformly RB 33941 318 28 heated heated JJ 33941 318 29 to to IN 33941 318 30 a a DT 33941 318 31 temperature temperature NN 33941 318 32 not not RB 33941 318 33 much much RB 33941 318 34 below below IN 33941 318 35 that that DT 33941 318 36 at at IN 33941 318 37 which which WDT 33941 318 38 it -PRON- PRP 33941 318 39 becomes become VBZ 33941 318 40 viscous viscous JJ 33941 318 41 , , , 33941 318 42 and and CC 33941 318 43 slowly slowly RB 33941 318 44 passed pass VBD 33941 318 45 through through IN 33941 318 46 the the DT 33941 318 47 cooler cooler NN 33941 318 48 parts part NNS 33941 318 49 of of IN 33941 318 50 the the DT 33941 318 51 chamber chamber NN 33941 318 52 so so IN 33941 318 53 that that IN 33941 318 54 it -PRON- PRP 33941 318 55 emerges emerge VBZ 33941 318 56 cold cold JJ 33941 318 57 at at IN 33941 318 58 the the DT 33941 318 59 other other JJ 33941 318 60 end end NN 33941 318 61 . . . 33941 319 1 This this DT 33941 319 2 method method NN 33941 319 3 of of IN 33941 319 4 annealing anneal VBG 33941 319 5 is be VBZ 33941 319 6 not not RB 33941 319 7 practicable practicable JJ 33941 319 8 in in IN 33941 319 9 a a DT 33941 319 10 small small JJ 33941 319 11 laboratory laboratory NN 33941 319 12 . . . 33941 320 1 But but CC 33941 320 2 fortunately fortunately RB 33941 320 3 very very RB 33941 320 4 good good JJ 33941 320 5 results result NNS 33941 320 6 can can MD 33941 320 7 be be VB 33941 320 8 obtained obtain VBN 33941 320 9 by by IN 33941 320 10 the the DT 33941 320 11 following follow VBG 33941 320 12 simple simple JJ 33941 320 13 device device NN 33941 320 14 , , , 33941 320 15 viz viz NN 33941 320 16 . . . 33941 321 1 : : : 33941 321 2 -- -- : 33941 321 3 By by IN 33941 321 4 wrapping wrap VBG 33941 321 5 the the DT 33941 321 6 hot hot JJ 33941 321 7 apparatus apparatus NN 33941 321 8 that that WDT 33941 321 9 is be VBZ 33941 321 10 to to TO 33941 321 11 be be VB 33941 321 12 annealed anneal VBN 33941 321 13 closely closely RB 33941 321 14 in in IN 33941 321 15 cotton cotton NN 33941 321 16 wool wool NN 33941 321 17 , , , 33941 321 18 and and CC 33941 321 19 leaving leave VBG 33941 321 20 it -PRON- PRP 33941 321 21 there there RB 33941 321 22 till till IN 33941 321 23 quite quite RB 33941 321 24 cold cold JJ 33941 321 25 . . . 33941 322 1 The the DT 33941 322 2 glass glass NN 33941 322 3 should should MD 33941 322 4 be be VB 33941 322 5 wrapped wrap VBN 33941 322 6 up up RP 33941 322 7 immediately immediately RB 33941 322 8 after after IN 33941 322 9 it -PRON- PRP 33941 322 10 is be VBZ 33941 322 11 blown blow VBN 33941 322 12 into into IN 33941 322 13 its -PRON- PRP$ 33941 322 14 final final JJ 33941 322 15 shape shape NN 33941 322 16 , , , 33941 322 17 as as RB 33941 322 18 soon soon RB 33941 322 19 as as IN 33941 322 20 it -PRON- PRP 33941 322 21 is be VBZ 33941 322 22 no no DT 33941 322 23 longer long RBR 33941 322 24 soft soft JJ 33941 322 25 enough enough RB 33941 322 26 to to TO 33941 322 27 give give VB 33941 322 28 way way NN 33941 322 29 under under IN 33941 322 30 slight slight JJ 33941 322 31 pressure pressure NN 33941 322 32 . . . 33941 323 1 And and CC 33941 323 2 it -PRON- PRP 33941 323 3 should should MD 33941 323 4 be be VB 33941 323 5 heated heat VBN 33941 323 6 as as RB 33941 323 7 uniformly uniformly RB 33941 323 8 as as IN 33941 323 9 possible possible JJ 33941 323 10 , , , 33941 323 11 not not RB 33941 323 12 only only RB 33941 323 13 at at IN 33941 323 14 the the DT 33941 323 15 joint joint NN 33941 323 16 , , , 33941 323 17 but but CC 33941 323 18 also also RB 33941 323 19 about about IN 33941 323 20 the the DT 33941 323 21 parts part NNS 33941 323 22 adjacent adjacent JJ 33941 323 23 to to IN 33941 323 24 the the DT 33941 323 25 joint joint NN 33941 323 26 , , , 33941 323 27 at at IN 33941 323 28 the the DT 33941 323 29 moment moment NN 33941 323 30 of of IN 33941 323 31 surrounding surround VBG 33941 323 32 it -PRON- PRP 33941 323 33 with with IN 33941 323 34 the the DT 33941 323 35 cotton cotton NN 33941 323 36 . . . 33941 324 1 Lead lead JJ 33941 324 2 glass glass NN 33941 324 3 appears appear VBZ 33941 324 4 to to TO 33941 324 5 cool cool VB 33941 324 6 more more RBR 33941 324 7 regularly regularly RB 33941 324 8 than than IN 33941 324 9 soda soda NN 33941 324 10 glass glass NN 33941 324 11 , , , 33941 324 12 and and CC 33941 324 13 these these DT 33941 324 14 precautions precaution NNS 33941 324 15 may may MD 33941 324 16 be be VB 33941 324 17 more more RBR 33941 324 18 safely safely RB 33941 324 19 neglected neglect VBN 33941 324 20 with with IN 33941 324 21 apparatus apparatus NN 33941 324 22 made make VBN 33941 324 23 of of IN 33941 324 24 lead lead JJ 33941 324 25 glass glass NN 33941 324 26 ; ; : 33941 324 27 but but CC 33941 324 28 not not RB 33941 324 29 always always RB 33941 324 30 . . . 33941 325 1 At at IN 33941 325 2 the the DT 33941 325 3 date date NN 33941 325 4 of of IN 33941 325 5 writing writing NN 33941 325 6 I -PRON- PRP 33941 325 7 have have VBP 33941 325 8 had have VBN 33941 325 9 several several JJ 33941 325 10 well well RB 33941 325 11 - - HYPH 33941 325 12 blown blow VBN 33941 325 13 joints joint NNS 33941 325 14 of of IN 33941 325 15 thick thick JJ 33941 325 16 - - HYPH 33941 325 17 walled walled JJ 33941 325 18 capillary capillary JJ 33941 325 19 tube tube NN 33941 325 20 to to IN 33941 325 21 No no NN 33941 325 22 . . . 33941 326 1 16 16 CD 33941 326 2 ( ( -LRB- 33941 326 3 see see VB 33941 326 4 diagram diagram NNP 33941 326 5 , , , 33941 326 6 p. p. NN 33941 326 7 82 82 CD 33941 326 8 ) ) -RRB- 33941 326 9 , , , 33941 326 10 break break VBP 33941 326 11 during during IN 33941 326 12 cooling cooling NN 33941 326 13 , , , 33941 326 14 in in IN 33941 326 15 consequence consequence NN 33941 326 16 of of IN 33941 326 17 circumstances circumstance NNS 33941 326 18 making make VBG 33941 326 19 it -PRON- PRP 33941 326 20 dangerous dangerous JJ 33941 326 21 to to TO 33941 326 22 heat heat VB 33941 326 23 the the DT 33941 326 24 neighbourhood neighbourhood NN 33941 326 25 of of IN 33941 326 26 the the DT 33941 326 27 joint joint NN 33941 326 28 so so RB 33941 326 29 much much RB 33941 326 30 as as IN 33941 326 31 was be VBD 33941 326 32 necessary necessary JJ 33941 326 33 . . . 33941 327 1 The the DT 33941 327 2 black black JJ 33941 327 3 carbonaceous carbonaceous JJ 33941 327 4 coat coat NN 33941 327 5 formed form VBN 33941 327 6 on on IN 33941 327 7 hot hot JJ 33941 327 8 glass glass NN 33941 327 9 when when WRB 33941 327 10 it -PRON- PRP 33941 327 11 is be VBZ 33941 327 12 placed place VBN 33941 327 13 in in IN 33941 327 14 cotton cotton NN 33941 327 15 wool wool NN 33941 327 16 may may MD 33941 327 17 be be VB 33941 327 18 removed remove VBN 33941 327 19 by by IN 33941 327 20 wiping wipe VBG 33941 327 21 with with IN 33941 327 22 methylated methylate VBN 33941 327 23 spirit spirit NN 33941 327 24 , , , 33941 327 25 or or CC 33941 327 26 , , , 33941 327 27 if if IN 33941 327 28 it -PRON- PRP 33941 327 29 be be VB 33941 327 30 very very RB 33941 327 31 closely closely RB 33941 327 32 adherent adherent JJ 33941 327 33 , , , 33941 327 34 by by IN 33941 327 35 gently gently RB 33941 327 36 rubbing rub VBG 33941 327 37 with with IN 33941 327 38 fine fine JJ 33941 327 39 emery emery NN 33941 327 40 , , , 33941 327 41 moistened moisten VBN 33941 327 42 with with IN 33941 327 43 the the DT 33941 327 44 spirit spirit NNP 33941 327 45 . . . 33941 328 1 Cotton cotton NN 33941 328 2 wool wool NN 33941 328 3 is be VBZ 33941 328 4 rather rather RB 33941 328 5 dangerously dangerously RB 33941 328 6 inflammable inflammable JJ 33941 328 7 ; ; : 33941 328 8 it -PRON- PRP 33941 328 9 should should MD 33941 328 10 therefore therefore RB 33941 328 11 be be VB 33941 328 12 kept keep VBN 33941 328 13 out out IN 33941 328 14 of of IN 33941 328 15 reach reach NN 33941 328 16 of of IN 33941 328 17 the the DT 33941 328 18 blow blow NN 33941 328 19 - - HYPH 33941 328 20 pipe pipe NN 33941 328 21 flame flame NN 33941 328 22 , , , 33941 328 23 and and CC 33941 328 24 care care NN 33941 328 25 should should MD 33941 328 26 be be VB 33941 328 27 taken take VBN 33941 328 28 that that IN 33941 328 29 the the DT 33941 328 30 glass glass NN 33941 328 31 is be VBZ 33941 328 32 not not RB 33941 328 33 placed place VBN 33941 328 34 in in IN 33941 328 35 contact contact NN 33941 328 36 with with IN 33941 328 37 it -PRON- PRP 33941 328 38 at at IN 33941 328 39 a a DT 33941 328 40 sufficiently sufficiently RB 33941 328 41 high high JJ 33941 328 42 temperature temperature NN 33941 328 43 to to TO 33941 328 44 cause cause VB 33941 328 45 its -PRON- PRP$ 33941 328 46 ignition ignition NN 33941 328 47 . . . 33941 329 1 Another another DT 33941 329 2 method method NN 33941 329 3 of of IN 33941 329 4 annealing anneal VBG 33941 329 5 is be VBZ 33941 329 6 to to TO 33941 329 7 cover cover VB 33941 329 8 the the DT 33941 329 9 hot hot JJ 33941 329 10 glass glass NN 33941 329 11 with with IN 33941 329 12 hot hot JJ 33941 329 13 sand sand NN 33941 329 14 , , , 33941 329 15 and and CC 33941 329 16 allow allow VB 33941 329 17 it -PRON- PRP 33941 329 18 to to TO 33941 329 19 cool cool VB 33941 329 20 therein therein RB 33941 329 21 . . . 33941 330 1 As as IN 33941 330 2 in in IN 33941 330 3 the the DT 33941 330 4 case case NN 33941 330 5 of of IN 33941 330 6 lead lead JJ 33941 330 7 glass glass NN 33941 330 8 , , , 33941 330 9 so so CC 33941 330 10 with with IN 33941 330 11 soda soda NN 33941 330 12 glass glass NN 33941 330 13 . . . 33941 331 1 A a DT 33941 331 2 thorough thorough JJ 33941 331 3 acquaintance acquaintance NN 33941 331 4 with with IN 33941 331 5 the the DT 33941 331 6 effect effect NN 33941 331 7 of of IN 33941 331 8 the the DT 33941 331 9 various various JJ 33941 331 10 parts part NNS 33941 331 11 of of IN 33941 331 12 the the DT 33941 331 13 flame flame NN 33941 331 14 upon upon IN 33941 331 15 it -PRON- PRP 33941 331 16 should should MD 33941 331 17 be be VB 33941 331 18 gained gain VBN 33941 331 19 before before IN 33941 331 20 further further JJ 33941 331 21 work work NN 33941 331 22 is be VBZ 33941 331 23 entered enter VBN 33941 331 24 upon upon IN 33941 331 25 , , , 33941 331 26 for for IN 33941 331 27 which which WDT 33941 331 28 purpose purpose NN 33941 331 29 an an DT 33941 331 30 hour hour NN 33941 331 31 or or CC 33941 331 32 more more RBR 33941 331 33 spent spend VBN 33941 331 34 in in IN 33941 331 35 observing observe VBG 33941 331 36 its -PRON- PRP$ 33941 331 37 behaviour behaviour NN 33941 331 38 in in IN 33941 331 39 the the DT 33941 331 40 flame flame NN 33941 331 41 will will MD 33941 331 42 be be VB 33941 331 43 fully fully RB 33941 331 44 repaid repay VBN 33941 331 45 by by IN 33941 331 46 increased increase VBN 33941 331 47 success success NN 33941 331 48 subsequently subsequently RB 33941 331 49 . . . 33941 332 1 = = NFP 33941 332 2 The the DT 33941 332 3 Use Use NNP 33941 332 4 of of IN 33941 332 5 Combustion Combustion NNP 33941 332 6 Tube.=--It Tube.=--It NNP 33941 332 7 is be VBZ 33941 332 8 often often RB 33941 332 9 necessary necessary JJ 33941 332 10 to to TO 33941 332 11 construct construct VB 33941 332 12 apparatus apparatus NN 33941 332 13 of of IN 33941 332 14 what what WP 33941 332 15 is be VBZ 33941 332 16 known know VBN 33941 332 17 as as IN 33941 332 18 hard hard JJ 33941 332 19 glass glass NN 33941 332 20 or or CC 33941 332 21 combustion combustion NN 33941 332 22 tube tube NN 33941 332 23 . . . 33941 333 1 It -PRON- PRP 33941 333 2 is be VBZ 33941 333 3 almost almost RB 33941 333 4 as as RB 33941 333 5 easy easy JJ 33941 333 6 to to TO 33941 333 7 work work VB 33941 333 8 combustion combustion NN 33941 333 9 tube tube NN 33941 333 10 as as IN 33941 333 11 to to TO 33941 333 12 deal deal VB 33941 333 13 with with IN 33941 333 14 lead lead NN 33941 333 15 and and CC 33941 333 16 soda soda NN 33941 333 17 glass glass NN 33941 333 18 if if IN 33941 333 19 the the DT 33941 333 20 oxy oxy JJ 33941 333 21 - - HYPH 33941 333 22 hydrogen hydrogen NN 33941 333 23 flame flame NN 33941 333 24 be be VB 33941 333 25 employed employ VBN 33941 333 26 . . . 33941 334 1 It -PRON- PRP 33941 334 2 is be VBZ 33941 334 3 not not RB 33941 334 4 necessary necessary JJ 33941 334 5 to to TO 33941 334 6 set set VB 33941 334 7 up up RP 33941 334 8 a a DT 33941 334 9 special special JJ 33941 334 10 apparatus apparatus NN 33941 334 11 for for IN 33941 334 12 this this DT 33941 334 13 purpose purpose NN 33941 334 14 ; ; : 33941 334 15 many many JJ 33941 334 16 of of IN 33941 334 17 the the DT 33941 334 18 ordinary ordinary JJ 33941 334 19 blow blow NN 33941 334 20 - - HYPH 33941 334 21 pipes pipe NNS 33941 334 22 can can MD 33941 334 23 be be VB 33941 334 24 used use VBN 33941 334 25 with with IN 33941 334 26 oxygen oxygen NN 33941 334 27 instead instead RB 33941 334 28 of of IN 33941 334 29 with with IN 33941 334 30 air air NN 33941 334 31 . . . 33941 335 1 It -PRON- PRP 33941 335 2 is be VBZ 33941 335 3 only only RB 33941 335 4 necessary necessary JJ 33941 335 5 to to TO 33941 335 6 connect connect VB 33941 335 7 the the DT 33941 335 8 air air NN 33941 335 9 - - HYPH 33941 335 10 tube tube NN 33941 335 11 of of IN 33941 335 12 the the DT 33941 335 13 blow blow NN 33941 335 14 - - HYPH 33941 335 15 pipe pipe NN 33941 335 16 with with IN 33941 335 17 a a DT 33941 335 18 bottle bottle NN 33941 335 19 of of IN 33941 335 20 compressed compress VBN 33941 335 21 oxygen oxygen NN 33941 335 22 instead instead RB 33941 335 23 of of IN 33941 335 24 with with IN 33941 335 25 the the DT 33941 335 26 bellows bellow NNS 33941 335 27 . . . 33941 336 1 The the DT 33941 336 2 connecting connect VBG 33941 336 3 tube tube NN 33941 336 4 should should MD 33941 336 5 not not RB 33941 336 6 be be VB 33941 336 7 too too RB 33941 336 8 wide wide JJ 33941 336 9 nor nor CC 33941 336 10 too too RB 33941 336 11 long long RB 33941 336 12 , , , 33941 336 13 in in IN 33941 336 14 order order NN 33941 336 15 to to TO 33941 336 16 avoid avoid VB 33941 336 17 the the DT 33941 336 18 accumulation accumulation NN 33941 336 19 in in IN 33941 336 20 it -PRON- PRP 33941 336 21 , , , 33941 336 22 by by IN 33941 336 23 accident accident NN 33941 336 24 , , , 33941 336 25 of of IN 33941 336 26 large large JJ 33941 336 27 quantities quantity NNS 33941 336 28 of of IN 33941 336 29 explosive explosive JJ 33941 336 30 mixtures mixture NNS 33941 336 31 . . . 33941 337 1 Two two CD 33941 337 2 precautions precaution NNS 33941 337 3 are be VBP 33941 337 4 necessary necessary JJ 33941 337 5 in in IN 33941 337 6 manipulating manipulate VBG 33941 337 7 hard hard JJ 33941 337 8 glass glass NN 33941 337 9 in in IN 33941 337 10 the the DT 33941 337 11 oxy oxy JJ 33941 337 12 - - HYPH 33941 337 13 hydrogen hydrogen NN 33941 337 14 flame flame NN 33941 337 15 . . . 33941 338 1 The the DT 33941 338 2 glass glass NN 33941 338 3 must must MD 33941 338 4 _ _ VB 33941 338 5 not not RB 33941 338 6 _ _ NNP 33941 338 7 be be VB 33941 338 8 overheated overheat VBN 33941 338 9 . . . 33941 339 1 At at IN 33941 339 2 first first JJ 33941 339 3 one one CD 33941 339 4 is be VBZ 33941 339 5 very very RB 33941 339 6 apt apt JJ 33941 339 7 to to TO 33941 339 8 go go VB 33941 339 9 wrong wrong JJ 33941 339 10 in in IN 33941 339 11 this this DT 33941 339 12 direction direction NN 33941 339 13 . . . 33941 340 1 The the DT 33941 340 2 supply supply NN 33941 340 3 of of IN 33941 340 4 oxygen oxygen NN 33941 340 5 must must MD 33941 340 6 _ _ VB 33941 340 7 not not RB 33941 340 8 _ _ NNP 33941 340 9 be be VB 33941 340 10 too too RB 33941 340 11 great great JJ 33941 340 12 ; ; : 33941 340 13 a a DT 33941 340 14 small small JJ 33941 340 15 hissing hissing JJ 33941 340 16 flame flame NN 33941 340 17 is be VBZ 33941 340 18 not not RB 33941 340 19 what what WP 33941 340 20 is be VBZ 33941 340 21 wanted want VBN 33941 340 22 . . . 33941 341 1 If if IN 33941 341 2 either either DT 33941 341 3 of of IN 33941 341 4 these these DT 33941 341 5 precautions precaution NNS 33941 341 6 are be VBP 33941 341 7 neglected neglect VBN 33941 341 8 most most JJS 33941 341 9 glass glass NN 33941 341 10 will will MD 33941 341 11 devitrify devitrify VB 33941 341 12 badly badly RB 33941 341 13 . . . 33941 342 1 With with IN 33941 342 2 a a DT 33941 342 3 little little JJ 33941 342 4 care care NN 33941 342 5 and and CC 33941 342 6 experience experience NN 33941 342 7 , , , 33941 342 8 devitrification devitrification NN 33941 342 9 can can MD 33941 342 10 be be VB 33941 342 11 absolutely absolutely RB 33941 342 12 avoided avoid VBN 33941 342 13 . . . 33941 343 1 Ordinary ordinary JJ 33941 343 2 combustion combustion NN 33941 343 3 tube tube NN 33941 343 4 can can MD 33941 343 5 be be VB 33941 343 6 used use VBN 33941 343 7 , , , 33941 343 8 but but CC 33941 343 9 I -PRON- PRP 33941 343 10 find find VBP 33941 343 11 that that IN 33941 343 12 the the DT 33941 343 13 glass glass NN 33941 343 14 tube tube NN 33941 343 15 ( ( -LRB- 33941 343 16 Verbrennungsröhr Verbrennungsröhr NNP 33941 343 17 ) ) -RRB- 33941 343 18 made make VBN 33941 343 19 by by IN 33941 343 20 Schott Schott NNP 33941 343 21 & & CC 33941 343 22 Co. Co. NNP 33941 343 23 of of IN 33941 343 24 Jena Jena NNP 33941 343 25 , , , 33941 343 26 which which WDT 33941 343 27 can can MD 33941 343 28 be be VB 33941 343 29 obtained obtain VBN 33941 343 30 through through IN 33941 343 31 any any DT 33941 343 32 firm firm NN 33941 343 33 of of IN 33941 343 34 dealers dealer NNS 33941 343 35 in in IN 33941 343 36 apparatus apparatus NN 33941 343 37 , , , 33941 343 38 is be VBZ 33941 343 39 far far RB 33941 343 40 better well JJR 33941 343 41 than than IN 33941 343 42 the the DT 33941 343 43 ordinary ordinary JJ 33941 343 44 tube tube NN 33941 343 45 . . . 33941 344 1 By by IN 33941 344 2 following follow VBG 33941 344 3 these these DT 33941 344 4 instructions instruction NNS 33941 344 5 , , , 33941 344 6 any any DT 33941 344 7 one one NN 33941 344 8 who who WP 33941 344 9 has have VBZ 33941 344 10 learned learn VBN 33941 344 11 how how WRB 33941 344 12 to to TO 33941 344 13 work work VB 33941 344 14 with with IN 33941 344 15 lead lead NN 33941 344 16 or or CC 33941 344 17 soda soda NN 33941 344 18 glass glass NN 33941 344 19 will will MD 33941 344 20 find find VB 33941 344 21 it -PRON- PRP 33941 344 22 easy easy JJ 33941 344 23 to to TO 33941 344 24 manipulate manipulate VB 33941 344 25 hard hard JJ 33941 344 26 glass glass NN 33941 344 27 . . . 33941 345 1 CHAPTER CHAPTER NNP 33941 345 2 III III NNP 33941 345 3 . . . 33941 346 1 _ _ NNP 33941 346 2 CUTTING CUTTING NNP 33941 346 3 AND and CC 33941 346 4 BENDING bending NN 33941 346 5 GLASS glas NNS 33941 346 6 -- -- : 33941 346 7 FORMING forming NN 33941 346 8 GLASS glas NNS 33941 346 9 APPARATUS apparatu VBN 33941 346 10 BEFORE before IN 33941 346 11 THE the DT 33941 346 12 BLOW BLOW NNP 33941 346 13 - - HYPH 33941 346 14 PIPE PIPE NNP 33941 346 15 -- -- : 33941 346 16 MAKING make VBG 33941 346 17 AND and CC 33941 346 18 GRINDING grind VBG 33941 346 19 STOPPERS stopper NNS 33941 346 20 TO to IN 33941 346 21 APPARATUS APPARATUS NNP 33941 346 22 , , , 33941 346 23 ETC ETC NNP 33941 346 24 . . . 33941 346 25 _ _ NNP 33941 346 26 In in IN 33941 346 27 the the DT 33941 346 28 later later JJ 33941 346 29 pages page NNS 33941 346 30 of of IN 33941 346 31 this this DT 33941 346 32 Chapter chapter NN 33941 346 33 it -PRON- PRP 33941 346 34 will will MD 33941 346 35 be be VB 33941 346 36 assumed assume VBN 33941 346 37 that that IN 33941 346 38 the the DT 33941 346 39 operations operation NNS 33941 346 40 first first RB 33941 346 41 described describe VBN 33941 346 42 have have VBP 33941 346 43 been be VBN 33941 346 44 mastered master VBN 33941 346 45 . . . 33941 347 1 The the DT 33941 347 2 beginner beginner NN 33941 347 3 should should MD 33941 347 4 therefore therefore RB 33941 347 5 practise practise VB 33941 347 6 each each DT 33941 347 7 operation operation NN 33941 347 8 until until IN 33941 347 9 he -PRON- PRP 33941 347 10 finds find VBZ 33941 347 11 himself -PRON- PRP 33941 347 12 able able JJ 33941 347 13 to to TO 33941 347 14 perform perform VB 33941 347 15 it -PRON- PRP 33941 347 16 with with IN 33941 347 17 some some DT 33941 347 18 degree degree NN 33941 347 19 of of IN 33941 347 20 certainty certainty NN 33941 347 21 . . . 33941 348 1 Generally generally RB 33941 348 2 speaking speak VBG 33941 348 3 , , , 33941 348 4 however however RB 33941 348 5 , , , 33941 348 6 after after IN 33941 348 7 the the DT 33941 348 8 failure failure NN 33941 348 9 of of IN 33941 348 10 two two CD 33941 348 11 or or CC 33941 348 12 three three CD 33941 348 13 attempts attempt NNS 33941 348 14 to to TO 33941 348 15 perform perform VB 33941 348 16 any any DT 33941 348 17 operation operation NN 33941 348 18 , , , 33941 348 19 it -PRON- PRP 33941 348 20 is be VBZ 33941 348 21 best good JJS 33941 348 22 to to TO 33941 348 23 give give VB 33941 348 24 up up RP 33941 348 25 for for IN 33941 348 26 a a DT 33941 348 27 few few JJ 33941 348 28 hours hour NNS 33941 348 29 , , , 33941 348 30 and and CC 33941 348 31 proceed proceed VB 33941 348 32 to to IN 33941 348 33 the the DT 33941 348 34 work work NN 33941 348 35 next next IN 33941 348 36 described describe VBN 33941 348 37 , , , 33941 348 38 returning return VBG 33941 348 39 to to IN 33941 348 40 that that DT 33941 348 41 upon upon IN 33941 348 42 which which WDT 33941 348 43 you -PRON- PRP 33941 348 44 have have VBP 33941 348 45 failed fail VBN 33941 348 46 subsequently subsequently RB 33941 348 47 . . . 33941 349 1 If if IN 33941 349 2 , , , 33941 349 3 unfortunately unfortunately RB 33941 349 4 , , , 33941 349 5 it -PRON- PRP 33941 349 6 should should MD 33941 349 7 happen happen VB 33941 349 8 that that IN 33941 349 9 the the DT 33941 349 10 work work NN 33941 349 11 next next RB 33941 349 12 in in IN 33941 349 13 order order NN 33941 349 14 involves involve VBZ 33941 349 15 the the DT 33941 349 16 performance performance NN 33941 349 17 of of IN 33941 349 18 the the DT 33941 349 19 operation operation NN 33941 349 20 in in IN 33941 349 21 which which WDT 33941 349 22 the the DT 33941 349 23 failure failure NN 33941 349 24 has have VBZ 33941 349 25 occurred occur VBN 33941 349 26 , , , 33941 349 27 it -PRON- PRP 33941 349 28 is be VBZ 33941 349 29 best good JJS 33941 349 30 to to TO 33941 349 31 pass pass VB 33941 349 32 on on RP 33941 349 33 to to IN 33941 349 34 some some DT 33941 349 35 later later JJ 33941 349 36 work work NN 33941 349 37 which which WDT 33941 349 38 does do VBZ 33941 349 39 not not RB 33941 349 40 demand demand VB 33941 349 41 this this DT 33941 349 42 particular particular JJ 33941 349 43 accomplishment accomplishment NN 33941 349 44 , , , 33941 349 45 or or CC 33941 349 46 to to TO 33941 349 47 rest rest VB 33941 349 48 a a DT 33941 349 49 while while NN 33941 349 50 , , , 33941 349 51 and and CC 33941 349 52 re re NN 33941 349 53 - - NN 33941 349 54 attack attack VB 33941 349 55 the the DT 33941 349 56 difficulty difficulty NN 33941 349 57 when when WRB 33941 349 58 refreshed refresh VBN 33941 349 59 . . . 33941 350 1 = = NFP 33941 350 2 Cutting Cutting NNP 33941 350 3 Glass Glass NNP 33941 350 4 Tubes.=--The tubes.=--the IN 33941 350 5 simplest simple JJS 33941 350 6 method method NN 33941 350 7 of of IN 33941 350 8 cutting cut VBG 33941 350 9 a a DT 33941 350 10 glass glass NN 33941 350 11 tube tube NN 33941 350 12 is be VBZ 33941 350 13 to to TO 33941 350 14 make make VB 33941 350 15 a a DT 33941 350 16 sharp sharp JJ 33941 350 17 scratch scratch NN 33941 350 18 with with IN 33941 350 19 a a DT 33941 350 20 file file NN 33941 350 21 across across IN 33941 350 22 the the DT 33941 350 23 glass glass NN 33941 350 24 at at IN 33941 350 25 the the DT 33941 350 26 point point NN 33941 350 27 where where WRB 33941 350 28 it -PRON- PRP 33941 350 29 is be VBZ 33941 350 30 desired desire VBN 33941 350 31 to to TO 33941 350 32 cut cut VB 33941 350 33 it -PRON- PRP 33941 350 34 , , , 33941 350 35 and and CC 33941 350 36 on on IN 33941 350 37 pulling pull VBG 33941 350 38 apart apart RB 33941 350 39 the the DT 33941 350 40 two two CD 33941 350 41 ends end NNS 33941 350 42 , , , 33941 350 43 it -PRON- PRP 33941 350 44 will will MD 33941 350 45 break break VB 33941 350 46 clean clean VB 33941 350 47 off off RP 33941 350 48 . . . 33941 351 1 It -PRON- PRP 33941 351 2 is be VBZ 33941 351 3 important important JJ 33941 351 4 that that IN 33941 351 5 the the DT 33941 351 6 file file NN 33941 351 7 be be VB 33941 351 8 sharp sharp JJ 33941 351 9 . . . 33941 352 1 In in IN 33941 352 2 pulling pull VBG 33941 352 3 apart apart RB 33941 352 4 the the DT 33941 352 5 ends end NNS 33941 352 6 the the DT 33941 352 7 scratch scratch NN 33941 352 8 should should MD 33941 352 9 be be VB 33941 352 10 held hold VBN 33941 352 11 upwards upwards JJ 33941 352 12 , , , 33941 352 13 and and CC 33941 352 14 the the DT 33941 352 15 pull pull NN 33941 352 16 should should MD 33941 352 17 have have VB 33941 352 18 a a DT 33941 352 19 downward downward JJ 33941 352 20 direction direction NN 33941 352 21 , , , 33941 352 22 which which WDT 33941 352 23 will will MD 33941 352 24 tend tend VB 33941 352 25 to to TO 33941 352 26 open open VB 33941 352 27 out out RP 33941 352 28 the the DT 33941 352 29 scratch scratch NN 33941 352 30 . . . 33941 353 1 In in IN 33941 353 2 the the DT 33941 353 3 case case NN 33941 353 4 of of IN 33941 353 5 a a DT 33941 353 6 large large JJ 33941 353 7 tube tube NN 33941 353 8 , , , 33941 353 9 a a DT 33941 353 10 scratch scratch NN 33941 353 11 will will MD 33941 353 12 not not RB 33941 353 13 ensure ensure VB 33941 353 14 its -PRON- PRP$ 33941 353 15 breaking breaking NN 33941 353 16 clean clean NN 33941 353 17 across across RB 33941 353 18 . . . 33941 354 1 The the DT 33941 354 2 tube tube NN 33941 354 3 must must MD 33941 354 4 be be VB 33941 354 5 filed file VBN 33941 354 6 to to IN 33941 354 7 some some DT 33941 354 8 depth depth NN 33941 354 9 , , , 33941 354 10 half half JJ 33941 354 11 - - HYPH 33941 354 12 way way NN 33941 354 13 , , , 33941 354 14 or or CC 33941 354 15 even even RB 33941 354 16 all all DT 33941 354 17 round round VBP 33941 354 18 it -PRON- PRP 33941 354 19 . . . 33941 355 1 A a DT 33941 355 2 good good JJ 33941 355 3 way way NN 33941 355 4 of of IN 33941 355 5 breaking break VBG 33941 355 6 a a DT 33941 355 7 tube tube NN 33941 355 8 is be VBZ 33941 355 9 to to TO 33941 355 10 place place VB 33941 355 11 the the DT 33941 355 12 file file NN 33941 355 13 in in IN 33941 355 14 the the DT 33941 355 15 table table NN 33941 355 16 after after IN 33941 355 17 scratching scratch VBG 33941 355 18 the the DT 33941 355 19 glass glass NN 33941 355 20 , , , 33941 355 21 to to TO 33941 355 22 hold hold VB 33941 355 23 the the DT 33941 355 24 glass glass NN 33941 355 25 tube tube NN 33941 355 26 above above IN 33941 355 27 its -PRON- PRP$ 33941 355 28 edge edge NN 33941 355 29 with with IN 33941 355 30 one one CD 33941 355 31 hand hand NN 33941 355 32 on on IN 33941 355 33 each each DT 33941 355 34 side side NN 33941 355 35 of of IN 33941 355 36 the the DT 33941 355 37 scratch scratch NN 33941 355 38 , , , 33941 355 39 and and CC 33941 355 40 to to TO 33941 355 41 strike strike VB 33941 355 42 the the DT 33941 355 43 under under JJ 33941 355 44 side side NN 33941 355 45 of of IN 33941 355 46 the the DT 33941 355 47 tube tube NN 33941 355 48 a a DT 33941 355 49 sharp sharp JJ 33941 355 50 blow blow NN 33941 355 51 upon upon IN 33941 355 52 the the DT 33941 355 53 edge edge NN 33941 355 54 of of IN 33941 355 55 the the DT 33941 355 56 file file NN 33941 355 57 , , , 33941 355 58 directly directly RB 33941 355 59 beneath beneath IN 33941 355 60 the the DT 33941 355 61 scratch scratch NN 33941 355 62 . . . 33941 356 1 In in IN 33941 356 2 this this DT 33941 356 3 way way NN 33941 356 4 very very RB 33941 356 5 even even RB 33941 356 6 fractures fracture NNS 33941 356 7 of of IN 33941 356 8 large large JJ 33941 356 9 and and CC 33941 356 10 moderately moderately RB 33941 356 11 thin thin JJ 33941 356 12 tubes tube NNS 33941 356 13 may may MD 33941 356 14 be be VB 33941 356 15 made make VBN 33941 356 16 . . . 33941 357 1 It -PRON- PRP 33941 357 2 answers answer VBZ 33941 357 3 particularly particularly RB 33941 357 4 well well RB 33941 357 5 for for IN 33941 357 6 removing remove VBG 33941 357 7 short short JJ 33941 357 8 ends end NNS 33941 357 9 of of IN 33941 357 10 tube tube NN 33941 357 11 , , , 33941 357 12 not not RB 33941 357 13 long long JJ 33941 357 14 enough enough RB 33941 357 15 to to TO 33941 357 16 hold hold VB 33941 357 17 ; ; : 33941 357 18 the the DT 33941 357 19 tube tube NN 33941 357 20 is be VBZ 33941 357 21 held hold VBN 33941 357 22 firmly firmly RB 33941 357 23 upon upon IN 33941 357 24 the the DT 33941 357 25 file file NN 33941 357 26 , , , 33941 357 27 and and CC 33941 357 28 a a DT 33941 357 29 sharp sharp JJ 33941 357 30 blow blow NN 33941 357 31 given give VBN 33941 357 32 to to IN 33941 357 33 the the DT 33941 357 34 short short JJ 33941 357 35 end end NN 33941 357 36 with with IN 33941 357 37 a a DT 33941 357 38 piece piece NN 33941 357 39 of of IN 33941 357 40 large large JJ 33941 357 41 tube tube NN 33941 357 42 or or CC 33941 357 43 a a DT 33941 357 44 key key NN 33941 357 45 . . . 33941 358 1 A a DT 33941 358 2 file file NN 33941 358 3 whose whose WP$ 33941 358 4 faces face NNS 33941 358 5 have have VBP 33941 358 6 been be VBN 33941 358 7 ground grind VBN 33941 358 8 till till IN 33941 358 9 they -PRON- PRP 33941 358 10 are be VBP 33941 358 11 nearly nearly RB 33941 358 12 smooth smooth JJ 33941 358 13 , , , 33941 358 14 so so IN 33941 358 15 as as IN 33941 358 16 to to TO 33941 358 17 leave leave VB 33941 358 18 very very RB 33941 358 19 finely finely RB 33941 358 20 - - HYPH 33941 358 21 serrated serrate VBN 33941 358 22 edges edge NNS 33941 358 23 , , , 33941 358 24 will will MD 33941 358 25 be be VB 33941 358 26 found find VBN 33941 358 27 useful useful JJ 33941 358 28 for for IN 33941 358 29 cutting cut VBG 33941 358 30 glass glass NN 33941 358 31 tubes tube NNS 33941 358 32 . . . 33941 359 1 Such such PDT 33941 359 2 a a DT 33941 359 3 file file NN 33941 359 4 should should MD 33941 359 5 be be VB 33941 359 6 used use VBN 33941 359 7 almost almost RB 33941 359 8 as as IN 33941 359 9 a a DT 33941 359 10 knife knife NN 33941 359 11 is be VBZ 33941 359 12 used use VBN 33941 359 13 for for IN 33941 359 14 cutting cut VBG 33941 359 15 a a DT 33941 359 16 pencil pencil NN 33941 359 17 in in IN 33941 359 18 halves half NNS 33941 359 19 . . . 33941 360 1 The the DT 33941 360 2 simple simple JJ 33941 360 3 methods method NNS 33941 360 4 just just RB 33941 360 5 described describe VBN 33941 360 6 are be VBP 33941 360 7 too too RB 33941 360 8 violent violent JJ 33941 360 9 to to TO 33941 360 10 be be VB 33941 360 11 applied apply VBN 33941 360 12 to to IN 33941 360 13 delicate delicate JJ 33941 360 14 apparatus apparatus NN 33941 360 15 , , , 33941 360 16 too too RB 33941 360 17 tedious tedious JJ 33941 360 18 when when WRB 33941 360 19 employed employ VBN 33941 360 20 upon upon IN 33941 360 21 the the DT 33941 360 22 largest large JJS 33941 360 23 tubes tube NNS 33941 360 24 , , , 33941 360 25 and and CC 33941 360 26 very very RB 33941 360 27 difficult difficult JJ 33941 360 28 to to TO 33941 360 29 apply apply VB 33941 360 30 when when WRB 33941 360 31 the the DT 33941 360 32 tube tube NN 33941 360 33 to to TO 33941 360 34 be be VB 33941 360 35 cut cut VBN 33941 360 36 is be VBZ 33941 360 37 very very RB 33941 360 38 thin thin JJ 33941 360 39 , , , 33941 360 40 or or CC 33941 360 41 too too RB 33941 360 42 short short JJ 33941 360 43 to to TO 33941 360 44 permit permit VB 33941 360 45 the the DT 33941 360 46 operator operator NN 33941 360 47 to to TO 33941 360 48 get get VB 33941 360 49 a a DT 33941 360 50 good good JJ 33941 360 51 grip grip NN 33941 360 52 of of IN 33941 360 53 it -PRON- PRP 33941 360 54 on on IN 33941 360 55 either either DT 33941 360 56 side side NN 33941 360 57 of of IN 33941 360 58 the the DT 33941 360 59 file file NN 33941 360 60 mark mark NN 33941 360 61 . . . 33941 361 1 In in IN 33941 361 2 such such JJ 33941 361 3 cases case NNS 33941 361 4 , , , 33941 361 5 one one CD 33941 361 6 or or CC 33941 361 7 other other JJ 33941 361 8 of of IN 33941 361 9 the the DT 33941 361 10 following follow VBG 33941 361 11 methods method NNS 33941 361 12 will will MD 33941 361 13 be be VB 33941 361 14 useful:-- useful:-- NNP 33941 361 15 1 1 CD 33941 361 16 . . . 33941 362 1 Make make VB 33941 362 2 a a DT 33941 362 3 scratch scratch NN 33941 362 4 with with IN 33941 362 5 a a DT 33941 362 6 file file NN 33941 362 7 , , , 33941 362 8 and and CC 33941 362 9 touch touch VB 33941 362 10 it -PRON- PRP 33941 362 11 with with IN 33941 362 12 the the DT 33941 362 13 end end NN 33941 362 14 of of IN 33941 362 15 a a DT 33941 362 16 _ _ NNP 33941 362 17 very very RB 33941 362 18 small small JJ 33941 362 19 _ _ NNP 33941 362 20 piece piece NN 33941 362 21 of of IN 33941 362 22 glass glass NN 33941 362 23 drawn draw VBN 33941 362 24 out out RP 33941 362 25 and and CC 33941 362 26 heated heat VBN 33941 362 27 at at IN 33941 362 28 the the DT 33941 362 29 tip tip NN 33941 362 30 to to IN 33941 362 31 its -PRON- PRP$ 33941 362 32 melting melting NN 33941 362 33 point point NN 33941 362 34 . . . 33941 363 1 It -PRON- PRP 33941 363 2 is be VBZ 33941 363 3 important important JJ 33941 363 4 that that IN 33941 363 5 the the DT 33941 363 6 heated heated JJ 33941 363 7 point point NN 33941 363 8 of of IN 33941 363 9 glass glass NN 33941 363 10 be be VB 33941 363 11 very very RB 33941 363 12 small small JJ 33941 363 13 , , , 33941 363 14 or or CC 33941 363 15 the the DT 33941 363 16 fracture fracture NN 33941 363 17 is be VBZ 33941 363 18 likely likely JJ 33941 363 19 to to TO 33941 363 20 be be VB 33941 363 21 uneven uneven JJ 33941 363 22 , , , 33941 363 23 or or CC 33941 363 24 to to TO 33941 363 25 spread spread VB 33941 363 26 in in IN 33941 363 27 several several JJ 33941 363 28 directions direction NNS 33941 363 29 . . . 33941 364 1 Also also RB 33941 364 2 , , , 33941 364 3 it -PRON- PRP 33941 364 4 is be VBZ 33941 364 5 best good JJS 33941 364 6 to to TO 33941 364 7 use use VB 33941 364 8 hot hot JJ 33941 364 9 soda soda NN 33941 364 10 glass glass NN 33941 364 11 for for IN 33941 364 12 starting start VBG 33941 364 13 cracks crack NNS 33941 364 14 in in IN 33941 364 15 tubes tube NNS 33941 364 16 of of IN 33941 364 17 soda soda NN 33941 364 18 glass glass NN 33941 364 19 , , , 33941 364 20 and and CC 33941 364 21 lead lead JJ 33941 364 22 glass glass NN 33941 364 23 for for IN 33941 364 24 doing do VBG 33941 364 25 so so RB 33941 364 26 in in IN 33941 364 27 lead lead JJ 33941 364 28 glass glass NN 33941 364 29 tubes tube NNS 33941 364 30 . . . 33941 365 1 If if IN 33941 365 2 the the DT 33941 365 3 crack crack NN 33941 365 4 does do VBZ 33941 365 5 not not RB 33941 365 6 pass pass VB 33941 365 7 quite quite RB 33941 365 8 round round IN 33941 365 9 the the DT 33941 365 10 tube tube NN 33941 365 11 , , , 33941 365 12 you -PRON- PRP 33941 365 13 may may MD 33941 365 14 pull pull VB 33941 365 15 it -PRON- PRP 33941 365 16 asunder asunder RB 33941 365 17 , , , 33941 365 18 as as IN 33941 365 19 previously previously RB 33941 365 20 described describe VBN 33941 365 21 , , , 33941 365 22 or or CC 33941 365 23 you -PRON- PRP 33941 365 24 may may MD 33941 365 25 bring bring VB 33941 365 26 the the DT 33941 365 27 heated heated JJ 33941 365 28 piece piece NN 33941 365 29 of of IN 33941 365 30 glass glass NN 33941 365 31 with with IN 33941 365 32 which which WDT 33941 365 33 the the DT 33941 365 34 crack crack NN 33941 365 35 was be VBD 33941 365 36 started start VBN 33941 365 37 to to IN 33941 365 38 one one CD 33941 365 39 end end NN 33941 365 40 of of IN 33941 365 41 the the DT 33941 365 42 crack crack NN 33941 365 43 , , , 33941 365 44 and and CC 33941 365 45 slowly slowly RB 33941 365 46 move move VBP 33941 365 47 it -PRON- PRP 33941 365 48 ( ( -LRB- 33941 365 49 nearly nearly RB 33941 365 50 touching touch VBG 33941 365 51 the the DT 33941 365 52 glass glass NN 33941 365 53 ) ) -RRB- 33941 365 54 in in IN 33941 365 55 the the DT 33941 365 56 required require VBN 33941 365 57 direction direction NN 33941 365 58 ; ; : 33941 365 59 the the DT 33941 365 60 crack crack NN 33941 365 61 will will MD 33941 365 62 extend extend VB 33941 365 63 , , , 33941 365 64 following follow VBG 33941 365 65 the the DT 33941 365 66 movements movement NNS 33941 365 67 of of IN 33941 365 68 the the DT 33941 365 69 hot hot JJ 33941 365 70 glass glass NN 33941 365 71 . . . 33941 366 1 Instead instead RB 33941 366 2 of of IN 33941 366 3 hot hot JJ 33941 366 4 glass glass NN 33941 366 5 , , , 33941 366 6 pastils pastil NNS 33941 366 7 of of IN 33941 366 8 charcoal charcoal NN 33941 366 9 are be VBP 33941 366 10 sometimes sometimes RB 33941 366 11 employed employ VBN 33941 366 12 for for IN 33941 366 13 this this DT 33941 366 14 purpose purpose NN 33941 366 15 . . . 33941 367 1 They -PRON- PRP 33941 367 2 continue continue VBP 33941 367 3 to to TO 33941 367 4 burn burn VB 33941 367 5 when when WRB 33941 367 6 once once RB 33941 367 7 lighted light VBN 33941 367 8 , , , 33941 367 9 and and CC 33941 367 10 there there EX 33941 367 11 is be VBZ 33941 367 12 no no DT 33941 367 13 need need NN 33941 367 14 to to TO 33941 367 15 re re VB 33941 367 16 - - VB 33941 367 17 heat heat VB 33941 367 18 them -PRON- PRP 33941 367 19 from from IN 33941 367 20 time time NN 33941 367 21 to to IN 33941 367 22 time time NN 33941 367 23 . . . 33941 368 1 They -PRON- PRP 33941 368 2 should should MD 33941 368 3 be be VB 33941 368 4 brought bring VBN 33941 368 5 as as RB 33941 368 6 close close RB 33941 368 7 to to IN 33941 368 8 the the DT 33941 368 9 glass glass NN 33941 368 10 as as IN 33941 368 11 is be VBZ 33941 368 12 possible possible JJ 33941 368 13 without without IN 33941 368 14 touching touch VBG 33941 368 15 it -PRON- PRP 33941 368 16 , , , 33941 368 17 and and CC 33941 368 18 , , , 33941 368 19 when when WRB 33941 368 20 no no RB 33941 368 21 longer long RBR 33941 368 22 needed need VBD 33941 368 23 , , , 33941 368 24 should should MD 33941 368 25 be be VB 33941 368 26 extinguished extinguish VBN 33941 368 27 by by IN 33941 368 28 placing place VBG 33941 368 29 the the DT 33941 368 30 lighted lighted JJ 33941 368 31 end end NN 33941 368 32 under under IN 33941 368 33 sand sand NN 33941 368 34 , , , 33941 368 35 or or CC 33941 368 36 some some DT 33941 368 37 other other JJ 33941 368 38 incombustible incombustible JJ 33941 368 39 powder powder NN 33941 368 40 , , , 33941 368 41 for for IN 33941 368 42 they -PRON- PRP 33941 368 43 must must MD 33941 368 44 not not RB 33941 368 45 be be VB 33941 368 46 wetted wet VBN 33941 368 47 . . . 33941 369 1 2 2 LS 33941 369 2 . . . 33941 370 1 A a DT 33941 370 2 method method NN 33941 370 3 much much RB 33941 370 4 practised practise VBN 33941 370 5 by by IN 33941 370 6 the the DT 33941 370 7 makers maker NNS 33941 370 8 of of IN 33941 370 9 sheet sheet NN 33941 370 10 glass glass NN 33941 370 11 , , , 33941 370 12 and and CC 33941 370 13 suitable suitable JJ 33941 370 14 for for IN 33941 370 15 large large JJ 33941 370 16 objects object NNS 33941 370 17 , , , 33941 370 18 is be VBZ 33941 370 19 to to TO 33941 370 20 wrap wrap VB 33941 370 21 a a DT 33941 370 22 thread thread NN 33941 370 23 of of IN 33941 370 24 hot hot JJ 33941 370 25 glass glass NN 33941 370 26 round round IN 33941 370 27 the the DT 33941 370 28 tube tube NN 33941 370 29 , , , 33941 370 30 at at IN 33941 370 31 once once RB 33941 370 32 removing remove VBG 33941 370 33 it -PRON- PRP 33941 370 34 , , , 33941 370 35 and and CC 33941 370 36 touching touch VBG 33941 370 37 any any DT 33941 370 38 point point NN 33941 370 39 of of IN 33941 370 40 the the DT 33941 370 41 glass glass NN 33941 370 42 which which WDT 33941 370 43 the the DT 33941 370 44 thread thread NN 33941 370 45 covered cover VBN 33941 370 46 with with IN 33941 370 47 water water NN 33941 370 48 or or CC 33941 370 49 a a DT 33941 370 50 cold cold JJ 33941 370 51 iron iron NN 33941 370 52 , , , 33941 370 53 when when WRB 33941 370 54 a a DT 33941 370 55 crack crack NN 33941 370 56 will will MD 33941 370 57 be be VB 33941 370 58 started start VBN 33941 370 59 and and CC 33941 370 60 will will MD 33941 370 61 pass pass VB 33941 370 62 round round RB 33941 370 63 the the DT 33941 370 64 glass glass NN 33941 370 65 where where WRB 33941 370 66 it -PRON- PRP 33941 370 67 was be VBD 33941 370 68 heated heat VBN 33941 370 69 by by IN 33941 370 70 the the DT 33941 370 71 thread thread NN 33941 370 72 . . . 33941 371 1 3 3 LS 33941 371 2 . . . 33941 372 1 Tubes tube NNS 33941 372 2 which which WDT 33941 372 3 are be VBP 33941 372 4 large large JJ 33941 372 5 and and CC 33941 372 6 slightly slightly RB 33941 372 7 conical conical JJ 33941 372 8 may may MD 33941 372 9 have have VB 33941 372 10 a a DT 33941 372 11 ring ring NN 33941 372 12 of of IN 33941 372 13 red red JJ 33941 372 14 - - HYPH 33941 372 15 hot hot JJ 33941 372 16 iron iron NN 33941 372 17 passed pass VBD 33941 372 18 over over IN 33941 372 19 them -PRON- PRP 33941 372 20 till till IN 33941 372 21 it -PRON- PRP 33941 372 22 comes come VBZ 33941 372 23 into into IN 33941 372 24 contact contact NN 33941 372 25 with with IN 33941 372 26 the the DT 33941 372 27 glass glass NN 33941 372 28 , , , 33941 372 29 then then RB 33941 372 30 , , , 33941 372 31 the the DT 33941 372 32 iron iron NN 33941 372 33 being be VBG 33941 372 34 removed remove VBN 33941 372 35 , , , 33941 372 36 and and CC 33941 372 37 a a DT 33941 372 38 point point NN 33941 372 39 on on IN 33941 372 40 the the DT 33941 372 41 heated heated JJ 33941 372 42 glass glass NN 33941 372 43 being be VBG 33941 372 44 at at IN 33941 372 45 once once RB 33941 372 46 touched touch VBN 33941 372 47 with with IN 33941 372 48 cold cold JJ 33941 372 49 iron iron NN 33941 372 50 as as IN 33941 372 51 before before RB 33941 372 52 , , , 33941 372 53 it -PRON- PRP 33941 372 54 will will MD 33941 372 55 break break VB 33941 372 56 as as RB 33941 372 57 desired desire VBN 33941 372 58 . . . 33941 373 1 Or or CC 33941 373 2 a a DT 33941 373 3 string string NN 33941 373 4 , , , 33941 373 5 moistened moisten VBN 33941 373 6 with with IN 33941 373 7 turpentine turpentine NN 33941 373 8 , , , 33941 373 9 may may MD 33941 373 10 be be VB 33941 373 11 loosely loosely RB 33941 373 12 twisted twist VBN 33941 373 13 round round IN 33941 373 14 the the DT 33941 373 15 tube tube NN 33941 373 16 , , , 33941 373 17 and and CC 33941 373 18 the the DT 33941 373 19 turpentine turpentine NN 33941 373 20 ignited ignite VBD 33941 373 21 , , , 33941 373 22 afterwards afterwards RB 33941 373 23 the the DT 33941 373 24 application application NN 33941 373 25 of of IN 33941 373 26 sudden sudden JJ 33941 373 27 cold cold NN 33941 373 28 to to IN 33941 373 29 any any DT 33941 373 30 point point NN 33941 373 31 on on IN 33941 373 32 the the DT 33941 373 33 zone zone NN 33941 373 34 of of IN 33941 373 35 hot hot JJ 33941 373 36 glass glass NN 33941 373 37 will will MD 33941 373 38 usually usually RB 33941 373 39 start start VB 33941 373 40 a a DT 33941 373 41 crack crack NN 33941 373 42 , , , 33941 373 43 which which WDT 33941 373 44 , , , 33941 373 45 if if IN 33941 373 46 necessary necessary JJ 33941 373 47 , , , 33941 373 48 may may MD 33941 373 49 be be VB 33941 373 50 continued continue VBN 33941 373 51 in in IN 33941 373 52 the the DT 33941 373 53 usual usual JJ 33941 373 54 manner manner NN 33941 373 55 . . . 33941 374 1 The the DT 33941 374 2 last last JJ 33941 374 3 three three CD 33941 374 4 methods method NNS 33941 374 5 are be VBP 33941 374 6 chiefly chiefly RB 33941 374 7 useful useful JJ 33941 374 8 in in IN 33941 374 9 dealing deal VBG 33941 374 10 with with IN 33941 374 11 the the DT 33941 374 12 largest large JJS 33941 374 13 and and CC 33941 374 14 thickest thickest CC 33941 374 15 tubes tube NNS 33941 374 16 , , , 33941 374 17 and and CC 33941 374 18 with with IN 33941 374 19 bottles bottle NNS 33941 374 20 . . . 33941 375 1 A a DT 33941 375 2 fairly fairly RB 33941 375 3 stout stout IN 33941 375 4 copper copper NN 33941 375 5 wire wire NN 33941 375 6 , , , 33941 375 7 bent bent JJ 33941 375 8 into into IN 33941 375 9 the the DT 33941 375 10 form form NN 33941 375 11 of of IN 33941 375 12 a a DT 33941 375 13 bow bow NN 33941 375 14 so so IN 33941 375 15 that that IN 33941 375 16 it -PRON- PRP 33941 375 17 can can MD 33941 375 18 be be VB 33941 375 19 applied apply VBN 33941 375 20 when when WRB 33941 375 21 hot hot JJ 33941 375 22 to to IN 33941 375 23 a a DT 33941 375 24 considerable considerable JJ 33941 375 25 surface surface NN 33941 375 26 of of IN 33941 375 27 a a DT 33941 375 28 glass glass NN 33941 375 29 tube tube NN 33941 375 30 , , , 33941 375 31 will will MD 33941 375 32 be be VB 33941 375 33 found find VBN 33941 375 34 superior superior JJ 33941 375 35 to to IN 33941 375 36 the the DT 33941 375 37 point point NN 33941 375 38 of of IN 33941 375 39 hot hot JJ 33941 375 40 glass glass NN 33941 375 41 or or CC 33941 375 42 metal metal NN 33941 375 43 usually usually RB 33941 375 44 employed employ VBN 33941 375 45 , , , 33941 375 46 for for IN 33941 375 47 leading lead VBG 33941 375 48 cracks crack NNS 33941 375 49 in in IN 33941 375 50 glass glass NN 33941 375 51 tubes tube NNS 33941 375 52 . . . 33941 376 1 With with IN 33941 376 2 such such PDT 33941 376 3 a a DT 33941 376 4 wire wire NN 33941 376 5 a a DT 33941 376 6 tube tube NN 33941 376 7 can can MD 33941 376 8 be be VB 33941 376 9 cut cut VBN 33941 376 10 so so IN 33941 376 11 that that IN 33941 376 12 the the DT 33941 376 13 cross cross NN 33941 376 14 section section NN 33941 376 15 of of IN 33941 376 16 the the DT 33941 376 17 end end NN 33941 376 18 is be VBZ 33941 376 19 at at IN 33941 376 20 any any DT 33941 376 21 desired desire VBN 33941 376 22 angle angle NN 33941 376 23 to to IN 33941 376 24 the the DT 33941 376 25 axis axi NNS 33941 376 26 of of IN 33941 376 27 the the DT 33941 376 28 tube tube NN 33941 376 29 , , , 33941 376 30 with with IN 33941 376 31 considerable considerable JJ 33941 376 32 precision precision NN 33941 376 33 . . . 33941 377 1 I -PRON- PRP 33941 377 2 am be VBP 33941 377 3 indebted indebted JJ 33941 377 4 for for IN 33941 377 5 this this DT 33941 377 6 suggestion suggestion NN 33941 377 7 to to IN 33941 377 8 Mr. Mr. NNP 33941 377 9 Vernon Vernon NNP 33941 377 10 Boys Boys NNPS 33941 377 11 and and CC 33941 377 12 Dr. Dr. NNP 33941 377 13 Ebert Ebert NNP 33941 377 14 . . . 33941 378 1 = = NFP 33941 378 2 Bending bend VBG 33941 378 3 Glass Glass NNP 33941 378 4 Tubes.=--The tubes.=--the DT 33941 378 5 blow blow NN 33941 378 6 - - HYPH 33941 378 7 pipe pipe NN 33941 378 8 flame flame NN 33941 378 9 is be VBZ 33941 378 10 not not RB 33941 378 11 a a DT 33941 378 12 suitable suitable JJ 33941 378 13 source source NN 33941 378 14 of of IN 33941 378 15 heat heat NN 33941 378 16 for for IN 33941 378 17 bending bend VBG 33941 378 18 tubes tube NNS 33941 378 19 , , , 33941 378 20 except except IN 33941 378 21 in in IN 33941 378 22 certain certain JJ 33941 378 23 cases case NNS 33941 378 24 which which WDT 33941 378 25 will will MD 33941 378 26 be be VB 33941 378 27 mentioned mention VBN 33941 378 28 in in IN 33941 378 29 a a DT 33941 378 30 subsequent subsequent JJ 33941 378 31 paragraph paragraph NN 33941 378 32 . . . 33941 379 1 For for IN 33941 379 2 small small JJ 33941 379 3 tubes tube NNS 33941 379 4 , , , 33941 379 5 and and CC 33941 379 6 those those DT 33941 379 7 of of IN 33941 379 8 moderate moderate JJ 33941 379 9 size size NN 33941 379 10 , , , 33941 379 11 a a DT 33941 379 12 fish fish NN 33941 379 13 - - HYPH 33941 379 14 tail tail NN 33941 379 15 burner burner NN 33941 379 16 , , , 33941 379 17 such such JJ 33941 379 18 as as IN 33941 379 19 is be VBZ 33941 379 20 used use VBN 33941 379 21 for for IN 33941 379 22 purposes purpose NNS 33941 379 23 of of IN 33941 379 24 illumination illumination NN 33941 379 25 , , , 33941 379 26 will will MD 33941 379 27 answer answer VB 33941 379 28 best well RBS 33941 379 29 . . . 33941 380 1 Use use VB 33941 380 2 a a DT 33941 380 3 flame flame NN 33941 380 4 from from IN 33941 380 5 one one CD 33941 380 6 to to IN 33941 380 7 two two CD 33941 380 8 inches inch NNS 33941 380 9 in in IN 33941 380 10 breadth breadth NN 33941 380 11 -- -- : 33941 380 12 from from IN 33941 380 13 _ _ NNP 33941 380 14 A A NNP 33941 380 15 _ _ NNP 33941 380 16 to to IN 33941 380 17 _ _ NNP 33941 380 18 A A NNP 33941 380 19 _ _ NNP 33941 380 20 ( ( -LRB- 33941 380 21 Fig fig NN 33941 380 22 . . . 33941 381 1 6 6 CD 33941 381 2 ) ) -RRB- 33941 381 3 , , , 33941 381 4 according accord VBG 33941 381 5 to to IN 33941 381 6 the the DT 33941 381 7 size size NN 33941 381 8 of of IN 33941 381 9 the the DT 33941 381 10 tube tube NN 33941 381 11 which which WDT 33941 381 12 is be VBZ 33941 381 13 to to TO 33941 381 14 be be VB 33941 381 15 bent bent JJ 33941 381 16 . . . 33941 382 1 If if IN 33941 382 2 the the DT 33941 382 3 length length NN 33941 382 4 of of IN 33941 382 5 tube tube NN 33941 382 6 that that WDT 33941 382 7 is be VBZ 33941 382 8 heated heated JJ 33941 382 9 be be VB 33941 382 10 less less JJR 33941 382 11 than than IN 33941 382 12 this this DT 33941 382 13 , , , 33941 382 14 the the DT 33941 382 15 bend bend NN 33941 382 16 will will MD 33941 382 17 probably probably RB 33941 382 18 buckle buckle VB 33941 382 19 on on IN 33941 382 20 its -PRON- PRP$ 33941 382 21 concave concave NNP 33941 382 22 side side NN 33941 382 23 . . . 33941 383 1 [ [ -LRB- 33941 383 2 Illustration illustration NN 33941 383 3 : : : 33941 383 4 FIG FIG NNP 33941 383 5 . . . 33941 384 1 6 6 LS 33941 384 2 . . . 33941 384 3 ] ] -RRB- 33941 385 1 The the DT 33941 385 2 tube tube NN 33941 385 3 to to TO 33941 385 4 be be VB 33941 385 5 heated heat VBN 33941 385 6 should should MD 33941 385 7 be be VB 33941 385 8 held hold VBN 33941 385 9 in in IN 33941 385 10 the the DT 33941 385 11 position position NN 33941 385 12 shown show VBN 33941 385 13 in in IN 33941 385 14 Fig Fig NNP 33941 385 15 . . . 33941 386 1 6 6 CD 33941 386 2 , , , 33941 386 3 supported support VBN 33941 386 4 by by IN 33941 386 5 the the DT 33941 386 6 hands hand NNS 33941 386 7 on on IN 33941 386 8 each each DT 33941 386 9 side side NN 33941 386 10 . . . 33941 387 1 It -PRON- PRP 33941 387 2 should should MD 33941 387 3 be be VB 33941 387 4 constantly constantly RB 33941 387 5 rotated rotate VBN 33941 387 6 in in IN 33941 387 7 the the DT 33941 387 8 flame flame NN 33941 387 9 , , , 33941 387 10 that that IN 33941 387 11 it -PRON- PRP 33941 387 12 may may MD 33941 387 13 be be VB 33941 387 14 equally equally RB 33941 387 15 heated heated JJ 33941 387 16 on on IN 33941 387 17 all all DT 33941 387 18 sides side NNS 33941 387 19 . . . 33941 388 1 In in IN 33941 388 2 the the DT 33941 388 3 figure figure NN 33941 388 4 the the DT 33941 388 5 hands hand NNS 33941 388 6 are be VBP 33941 388 7 represented represent VBN 33941 388 8 above above IN 33941 388 9 the the DT 33941 388 10 tube tube NN 33941 388 11 , , , 33941 388 12 with with IN 33941 388 13 their -PRON- PRP$ 33941 388 14 backs back NNS 33941 388 15 upwards upwards RB 33941 388 16 . . . 33941 389 1 A a DT 33941 389 2 tube tube NN 33941 389 3 can can MD 33941 389 4 be be VB 33941 389 5 held hold VBN 33941 389 6 equally equally RB 33941 389 7 well well RB 33941 389 8 from from IN 33941 389 9 below below RB 33941 389 10 , , , 33941 389 11 the the DT 33941 389 12 backs back NNS 33941 389 13 of of IN 33941 389 14 the the DT 33941 389 15 hands hand NNS 33941 389 16 being be VBG 33941 389 17 then then RB 33941 389 18 directed direct VBN 33941 389 19 downwards downwards RB 33941 389 20 , , , 33941 389 21 and and CC 33941 389 22 this this DT 33941 389 23 , , , 33941 389 24 I -PRON- PRP 33941 389 25 think think VBP 33941 389 26 , , , 33941 389 27 is be VBZ 33941 389 28 the the DT 33941 389 29 more more RBR 33941 389 30 frequent frequent JJ 33941 389 31 habit habit NN 33941 389 32 . . . 33941 390 1 It -PRON- PRP 33941 390 2 is be VBZ 33941 390 3 difficult difficult JJ 33941 390 4 to to TO 33941 390 5 say say VB 33941 390 6 which which WDT 33941 390 7 position position NN 33941 390 8 of of IN 33941 390 9 the the DT 33941 390 10 hands hand NNS 33941 390 11 is be VBZ 33941 390 12 to to TO 33941 390 13 be be VB 33941 390 14 preferred prefer VBN 33941 390 15 . . . 33941 391 1 I -PRON- PRP 33941 391 2 lately lately RB 33941 391 3 observed observe VBD 33941 391 4 how how WRB 33941 391 5 a a DT 33941 391 6 tube tube NN 33941 391 7 was be VBD 33941 391 8 held hold VBN 33941 391 9 by by IN 33941 391 10 three three CD 33941 391 11 skilful skilful JJ 33941 391 12 amateurs amateur NNS 33941 391 13 and and CC 33941 391 14 by by IN 33941 391 15 a a DT 33941 391 16 professional professional JJ 33941 391 17 glass glass NN 33941 391 18 - - HYPH 33941 391 19 blower blower NN 33941 391 20 . . . 33941 392 1 All all PDT 33941 392 2 the the DT 33941 392 3 former former JJ 33941 392 4 held hold VBD 33941 392 5 the the DT 33941 392 6 tube tube NN 33941 392 7 with with IN 33941 392 8 the the DT 33941 392 9 hands hand NNS 33941 392 10 below below IN 33941 392 11 it -PRON- PRP 33941 392 12 . . . 33941 393 1 The the DT 33941 393 2 latter latter JJ 33941 393 3 , , , 33941 393 4 however however RB 33941 393 5 , , , 33941 393 6 held hold VBD 33941 393 7 it -PRON- PRP 33941 393 8 from from IN 33941 393 9 above above RB 33941 393 10 , , , 33941 393 11 as as IN 33941 393 12 in in IN 33941 393 13 Fig Fig NNP 33941 393 14 . . . 33941 394 1 6 6 CD 33941 394 2 . . . 33941 395 1 He -PRON- PRP 33941 395 2 , , , 33941 395 3 however however RB 33941 395 4 , , , 33941 395 5 was be VBD 33941 395 6 working work VBG 33941 395 7 with with IN 33941 395 8 a a DT 33941 395 9 rather rather RB 33941 395 10 heavy heavy JJ 33941 395 11 piece piece NN 33941 395 12 of of IN 33941 395 13 tube tube NN 33941 395 14 , , , 33941 395 15 and and CC 33941 395 16 I -PRON- PRP 33941 395 17 am be VBP 33941 395 18 inclined incline VBN 33941 395 19 myself -PRON- PRP 33941 395 20 to to TO 33941 395 21 recommend recommend VB 33941 395 22 that that DT 33941 395 23 position position NN 33941 395 24 in in IN 33941 395 25 such such JJ 33941 395 26 cases case NNS 33941 395 27 . . . 33941 396 1 During during IN 33941 396 2 a a DT 33941 396 3 long long JJ 33941 396 4 spell spell NN 33941 396 5 of of IN 33941 396 6 work work NN 33941 396 7 , , , 33941 396 8 the the DT 33941 396 9 wrist wrist NN 33941 396 10 may may MD 33941 396 11 be be VB 33941 396 12 rested rest VBN 33941 396 13 from from IN 33941 396 14 time time NN 33941 396 15 to to IN 33941 396 16 time time NN 33941 396 17 by by IN 33941 396 18 changing change VBG 33941 396 19 the the DT 33941 396 20 position position NN 33941 396 21 of of IN 33941 396 22 the the DT 33941 396 23 hands hand NNS 33941 396 24 . . . 33941 397 1 When when WRB 33941 397 2 the the DT 33941 397 3 tube tube NN 33941 397 4 has have VBZ 33941 397 5 softened soften VBN 33941 397 6 , , , 33941 397 7 remove remove VB 33941 397 8 it -PRON- PRP 33941 397 9 from from IN 33941 397 10 the the DT 33941 397 11 flame flame NN 33941 397 12 , , , 33941 397 13 and and CC 33941 397 14 gently gently RB 33941 397 15 bend bend VB 33941 397 16 it -PRON- PRP 33941 397 17 to to IN 33941 397 18 the the DT 33941 397 19 desired desire VBN 33941 397 20 angle angle NN 33941 397 21 . . . 33941 398 1 The the DT 33941 398 2 side side NN 33941 398 3 of of IN 33941 398 4 the the DT 33941 398 5 tube tube NN 33941 398 6 last last RB 33941 398 7 exposed expose VBN 33941 398 8 to to IN 33941 398 9 the the DT 33941 398 10 flame flame NN 33941 398 11 will will MD 33941 398 12 be be VB 33941 398 13 slightly slightly RB 33941 398 14 hotter hot JJR 33941 398 15 , , , 33941 398 16 and and CC 33941 398 17 therefore therefore RB 33941 398 18 softer soft JJR 33941 398 19 , , , 33941 398 20 than than IN 33941 398 21 that that DT 33941 398 22 which which WDT 33941 398 23 is be VBZ 33941 398 24 opposite opposite JJ 33941 398 25 to to IN 33941 398 26 it -PRON- PRP 33941 398 27 . . . 33941 399 1 This this DT 33941 399 2 hotter hot JJR 33941 399 3 side side NN 33941 399 4 should should MD 33941 399 5 form form VB 33941 399 6 the the DT 33941 399 7 concave concave NNP 33941 399 8 side side NN 33941 399 9 of of IN 33941 399 10 the the DT 33941 399 11 bent bent JJ 33941 399 12 tube tube NN 33941 399 13 . . . 33941 400 1 [ [ -LRB- 33941 400 2 Illustration illustration NN 33941 400 3 : : : 33941 400 4 FIG FIG NNP 33941 400 5 . . . 33941 401 1 7 7 LS 33941 401 2 . . . 33941 401 3 ] ] -RRB- 33941 402 1 The the DT 33941 402 2 exact exact JJ 33941 402 3 condition condition NN 33941 402 4 in in IN 33941 402 5 which which WDT 33941 402 6 the the DT 33941 402 7 glass glass NN 33941 402 8 is be VBZ 33941 402 9 most most RBS 33941 402 10 suitable suitable JJ 33941 402 11 for for IN 33941 402 12 bending bend VBG 33941 402 13 can can MD 33941 402 14 only only RB 33941 402 15 be be VB 33941 402 16 learned learn VBN 33941 402 17 by by IN 33941 402 18 making make VBG 33941 402 19 a a DT 33941 402 20 few few JJ 33941 402 21 trials trial NNS 33941 402 22 . . . 33941 403 1 If if IN 33941 403 2 it -PRON- PRP 33941 403 3 is be VBZ 33941 403 4 too too RB 33941 403 5 soft soft JJ 33941 403 6 in in IN 33941 403 7 consequence consequence NN 33941 403 8 of of IN 33941 403 9 being be VBG 33941 403 10 overheated overheat VBN 33941 403 11 , , , 33941 403 12 the the DT 33941 403 13 sides side NNS 33941 403 14 will will MD 33941 403 15 collapse collapse VB 33941 403 16 . . . 33941 404 1 If if IN 33941 404 2 , , , 33941 404 3 in in IN 33941 404 4 the the DT 33941 404 5 endeavour endeavour NN 33941 404 6 to to TO 33941 404 7 heat heat VB 33941 404 8 the the DT 33941 404 9 side side NN 33941 404 10 _ _ NNP 33941 404 11 A A NNP 33941 404 12 _ _ NNP 33941 404 13 of of IN 33941 404 14 Fig Fig NNP 33941 404 15 . . . 33941 405 1 7 7 LS 33941 405 2 a a DT 33941 405 3 little little JJ 33941 405 4 more more JJR 33941 405 5 than than IN 33941 405 6 _ _ NNP 33941 405 7 B B NNP 33941 405 8 _ _ NNP 33941 405 9 , , , 33941 405 10 _ _ NNP 33941 405 11 B B NNP 33941 405 12 _ _ NNP 33941 405 13 is be VBZ 33941 405 14 insufficiently insufficiently RB 33941 405 15 heated heat VBN 33941 405 16 , , , 33941 405 17 the the DT 33941 405 18 tube tube NN 33941 405 19 will will MD 33941 405 20 be be VB 33941 405 21 likely likely JJ 33941 405 22 to to TO 33941 405 23 break break VB 33941 405 24 on on IN 33941 405 25 the the DT 33941 405 26 convex convex NNP 33941 405 27 side side NN 33941 405 28 _ _ NNP 33941 405 29 B B NNP 33941 405 30 _ _ NNP 33941 405 31 . . . 33941 406 1 If if IN 33941 406 2 the the DT 33941 406 3 bent bent JJ 33941 406 4 tube tube NN 33941 406 5 be be VBP 33941 406 6 likely likely JJ 33941 406 7 to to TO 33941 406 8 become become VB 33941 406 9 flattened flattened JJ 33941 406 10 , , , 33941 406 11 and and CC 33941 406 12 this this DT 33941 406 13 can can MD 33941 406 14 not not RB 33941 406 15 always always RB 33941 406 16 be be VB 33941 406 17 prevented prevent VBN 33941 406 18 in in IN 33941 406 19 bending bend VBG 33941 406 20 very very RB 33941 406 21 thin thin JJ 33941 406 22 tubes tube NNS 33941 406 23 , , , 33941 406 24 the the DT 33941 406 25 fault fault NN 33941 406 26 may may MD 33941 406 27 be be VB 33941 406 28 avoided avoid VBN 33941 406 29 by by IN 33941 406 30 blowing blow VBG 33941 406 31 gently gently RB 33941 406 32 into into IN 33941 406 33 one one CD 33941 406 34 end end NN 33941 406 35 of of IN 33941 406 36 the the DT 33941 406 37 tube tube NN 33941 406 38 whilst whilst IN 33941 406 39 bending bend VBG 33941 406 40 it -PRON- PRP 33941 406 41 , , , 33941 406 42 for for IN 33941 406 43 which which WDT 33941 406 44 purpose purpose NN 33941 406 45 the the DT 33941 406 46 other other JJ 33941 406 47 end end NN 33941 406 48 should should MD 33941 406 49 be be VB 33941 406 50 closed close VBN 33941 406 51 beforehand beforehand RB 33941 406 52 . . . 33941 407 1 A a DT 33941 407 2 tube tube NN 33941 407 3 already already RB 33941 407 4 flattened flatten VBD 33941 407 5 may may MD 33941 407 6 , , , 33941 407 7 to to IN 33941 407 8 some some DT 33941 407 9 extent extent NN 33941 407 10 , , , 33941 407 11 be be VB 33941 407 12 blown blow VBN 33941 407 13 into into IN 33941 407 14 shape shape NN 33941 407 15 after after IN 33941 407 16 closing close VBG 33941 407 17 one one CD 33941 407 18 end end NN 33941 407 19 and and CC 33941 407 20 re re NN 33941 407 21 - - NN 33941 407 22 heating heat VBG 33941 407 23 the the DT 33941 407 24 bent bent JJ 33941 407 25 portion portion NN 33941 407 26 , , , 33941 407 27 but but CC 33941 407 28 it -PRON- PRP 33941 407 29 is be VBZ 33941 407 30 not not RB 33941 407 31 easy easy JJ 33941 407 32 to to TO 33941 407 33 give give VB 33941 407 34 it -PRON- PRP 33941 407 35 a a DT 33941 407 36 really really RB 33941 407 37 good good JJ 33941 407 38 shape shape NN 33941 407 39 . . . 33941 408 1 When when WRB 33941 408 2 making make VBG 33941 408 3 a a DT 33941 408 4 bend bend NN 33941 408 5 like like IN 33941 408 6 that that DT 33941 408 7 in in IN 33941 408 8 Fig Fig NNP 33941 408 9 . . . 33941 409 1 7 7 LS 33941 409 2 , , , 33941 409 3 to to TO 33941 409 4 secure secure VB 33941 409 5 that that IN 33941 409 6 the the DT 33941 409 7 arms arm NNS 33941 409 8 of of IN 33941 409 9 the the DT 33941 409 10 tube tube NN 33941 409 11 _ _ NNP 33941 409 12 C C NNP 33941 409 13 _ _ NNP 33941 409 14 and and CC 33941 409 15 _ _ NNP 33941 409 16 D D NNP 33941 409 17 _ _ NNP 33941 409 18 , , , 33941 409 19 and and CC 33941 409 20 the the DT 33941 409 21 curve curve NN 33941 409 22 at at IN 33941 409 23 _ _ NNP 33941 409 24 B B NNP 33941 409 25 _ _ NNP 33941 409 26 , , , 33941 409 27 shall shall MD 33941 409 28 be be VB 33941 409 29 in in IN 33941 409 30 one one CD 33941 409 31 plane plane NN 33941 409 32 , , , 33941 409 33 the the DT 33941 409 34 tube tube NN 33941 409 35 should should MD 33941 409 36 be be VB 33941 409 37 held hold VBN 33941 409 38 in in IN 33941 409 39 a a DT 33941 409 40 position position NN 33941 409 41 perpendicular perpendicular JJ 33941 409 42 to to IN 33941 409 43 the the DT 33941 409 44 body body NN 33941 409 45 , , , 33941 409 46 and and CC 33941 409 47 brought bring VBD 33941 409 48 into into IN 33941 409 49 the the DT 33941 409 50 position position NN 33941 409 51 shown show VBN 33941 409 52 in in IN 33941 409 53 the the DT 33941 409 54 figure figure NN 33941 409 55 during during IN 33941 409 56 bending bending NN 33941 409 57 , , , 33941 409 58 by by IN 33941 409 59 which which WDT 33941 409 60 means mean VBZ 33941 409 61 it -PRON- PRP 33941 409 62 will will MD 33941 409 63 be be VB 33941 409 64 found find VBN 33941 409 65 easy easy JJ 33941 409 66 to to TO 33941 409 67 secure secure VB 33941 409 68 a a DT 33941 409 69 good good JJ 33941 409 70 result result NN 33941 409 71 . . . 33941 410 1 Lead lead NN 33941 410 2 glass glass NN 33941 410 3 tubes tube NNS 33941 410 4 must must MD 33941 410 5 be be VB 33941 410 6 removed remove VBN 33941 410 7 from from IN 33941 410 8 the the DT 33941 410 9 flame flame NN 33941 410 10 before before IN 33941 410 11 they -PRON- PRP 33941 410 12 become become VBP 33941 410 13 hot hot JJ 33941 410 14 enough enough RB 33941 410 15 to to TO 33941 410 16 undergo undergo VB 33941 410 17 reduction reduction NN 33941 410 18 . . . 33941 411 1 If if IN 33941 411 2 they -PRON- PRP 33941 411 3 should should MD 33941 411 4 become become VB 33941 411 5 blackened blacken VBN 33941 411 6 , , , 33941 411 7 however however RB 33941 411 8 , , , 33941 411 9 the the DT 33941 411 10 stain stain NN 33941 411 11 may may MD 33941 411 12 be be VB 33941 411 13 removed remove VBN 33941 411 14 by by IN 33941 411 15 re re NN 33941 411 16 - - NN 33941 411 17 heating heating NN 33941 411 18 in in IN 33941 411 19 the the DT 33941 411 20 oxidising oxidising JJ 33941 411 21 flame flame NN 33941 411 22 ( ( -LRB- 33941 411 23 see see VB 33941 411 24 p. p. NN 33941 411 25 18 18 CD 33941 411 26 ) ) -RRB- 33941 411 27 . . . 33941 412 1 When when WRB 33941 412 2 a a DT 33941 412 3 very very RB 33941 412 4 sharp sharp JJ 33941 412 5 bend bend NN 33941 412 6 is be VBZ 33941 412 7 to to TO 33941 412 8 be be VB 33941 412 9 made make VBN 33941 412 10 , , , 33941 412 11 it -PRON- PRP 33941 412 12 is be VBZ 33941 412 13 sometimes sometimes RB 33941 412 14 best good JJS 33941 412 15 to to TO 33941 412 16 heat heat VB 33941 412 17 a a DT 33941 412 18 narrow narrow JJ 33941 412 19 zone zone NN 33941 412 20 of of IN 33941 412 21 the the DT 33941 412 22 glass glass NN 33941 412 23 rather rather RB 33941 412 24 highly highly RB 33941 412 25 in in IN 33941 412 26 the the DT 33941 412 27 blow blow NN 33941 412 28 - - HYPH 33941 412 29 pipe pipe NN 33941 412 30 flame flame NN 33941 412 31 , , , 33941 412 32 and and CC 33941 412 33 to to TO 33941 412 34 blow blow VB 33941 412 35 the the DT 33941 412 36 bend bend NN 33941 412 37 into into IN 33941 412 38 shape shape NN 33941 412 39 at at IN 33941 412 40 the the DT 33941 412 41 moment moment NN 33941 412 42 of of IN 33941 412 43 bending bend VBG 33941 412 44 it -PRON- PRP 33941 412 45 , , , 33941 412 46 as as IN 33941 412 47 previously previously RB 33941 412 48 described describe VBN 33941 412 49 , , , 33941 412 50 one one CD 33941 412 51 end end NN 33941 412 52 having have VBG 33941 412 53 been be VBN 33941 412 54 closed close VBN 33941 412 55 for for IN 33941 412 56 that that DT 33941 412 57 purpose purpose NN 33941 412 58 beforehand beforehand RB 33941 412 59 . . . 33941 413 1 Lead lead JJ 33941 413 2 glass glass NN 33941 413 3 should should MD 33941 413 4 be be VB 33941 413 5 heated heat VBN 33941 413 6 for for IN 33941 413 7 this this DT 33941 413 8 purpose purpose NN 33941 413 9 in in IN 33941 413 10 the the DT 33941 413 11 oxidising oxidising JJ 33941 413 12 flame flame NN 33941 413 13 ( ( -LRB- 33941 413 14 pp pp NNP 33941 413 15 . . . 33941 414 1 17 17 CD 33941 414 2 to to TO 33941 414 3 22 22 CD 33941 414 4 ) ) -RRB- 33941 414 5 . . . 33941 415 1 The the DT 33941 415 2 processes process NNS 33941 415 3 of of IN 33941 415 4 bending bend VBG 33941 415 5 large large JJ 33941 415 6 tubes tube NNS 33941 415 7 , , , 33941 415 8 making make VBG 33941 415 9 U u NN 33941 415 10 - - HYPH 33941 415 11 tubes tube NNS 33941 415 12 and and CC 33941 415 13 spiral spiral JJ 33941 415 14 tubes tube NNS 33941 415 15 , , , 33941 415 16 are be VBP 33941 415 17 more more RBR 33941 415 18 difficult difficult JJ 33941 415 19 operations operation NNS 33941 415 20 , , , 33941 415 21 and and CC 33941 415 22 will will MD 33941 415 23 be be VB 33941 415 24 explained explain VBN 33941 415 25 in in IN 33941 415 26 Chap Chap NNP 33941 415 27 . . . 33941 416 1 IV IV NNP 33941 416 2 . . . 33941 417 1 = = NFP 33941 417 2 Rounding Rounding NNP 33941 417 3 and and CC 33941 417 4 Bordering border VBG 33941 417 5 the the DT 33941 417 6 Ends Ends NNPS 33941 417 7 of of IN 33941 417 8 Tubes.=--After tubes.=--after NN 33941 417 9 cutting cut VBG 33941 417 10 a a DT 33941 417 11 piece piece NN 33941 417 12 of of IN 33941 417 13 glass glass NN 33941 417 14 tube tube NN 33941 417 15 in in IN 33941 417 16 two two CD 33941 417 17 pieces piece NNS 33941 417 18 , , , 33941 417 19 the the DT 33941 417 20 sharp sharp JJ 33941 417 21 edges edge NNS 33941 417 22 left leave VBN 33941 417 23 at at IN 33941 417 24 its -PRON- PRP$ 33941 417 25 ends end NNS 33941 417 26 should should MD 33941 417 27 be be VB 33941 417 28 rounded round VBN 33941 417 29 by by IN 33941 417 30 holding hold VBG 33941 417 31 them -PRON- PRP 33941 417 32 in in IN 33941 417 33 a a DT 33941 417 34 flame flame NN 33941 417 35 for for IN 33941 417 36 a a DT 33941 417 37 few few JJ 33941 417 38 moments moment NNS 33941 417 39 till till IN 33941 417 40 the the DT 33941 417 41 glass glass NN 33941 417 42 begins begin VBZ 33941 417 43 to to TO 33941 417 44 melt melt VB 33941 417 45 . . . 33941 418 1 The the DT 33941 418 2 oxidising oxidising JJ 33941 418 3 point point NN 33941 418 4 of of IN 33941 418 5 a a DT 33941 418 6 pointed point VBN 33941 418 7 flame flame NN 33941 418 8 may may MD 33941 418 9 be be VB 33941 418 10 used use VBN 33941 418 11 for for IN 33941 418 12 both both DT 33941 418 13 kinds kind NNS 33941 418 14 of of IN 33941 418 15 glass glass NN 33941 418 16 . . . 33941 419 1 The the DT 33941 419 2 flame flame NN 33941 419 3 will will MD 33941 419 4 be be VB 33941 419 5 coloured colour VBN 33941 419 6 yellow yellow JJ 33941 419 7 by by IN 33941 419 8 soda soda NN 33941 419 9 glass glass NN 33941 419 10 at at IN 33941 419 11 the the DT 33941 419 12 moment moment NN 33941 419 13 of of IN 33941 419 14 melting melt VBG 33941 419 15 . . . 33941 420 1 This this DT 33941 420 2 indication indication NN 33941 420 3 of of IN 33941 420 4 the the DT 33941 420 5 condition condition NN 33941 420 6 of of IN 33941 420 7 soda soda NN 33941 420 8 glass glass NN 33941 420 9 should should MD 33941 420 10 be be VB 33941 420 11 noted note VBN 33941 420 12 , , , 33941 420 13 for for IN 33941 420 14 it -PRON- PRP 33941 420 15 serves serve VBZ 33941 420 16 as as IN 33941 420 17 a a DT 33941 420 18 criterion criterion NN 33941 420 19 of of IN 33941 420 20 the the DT 33941 420 21 condition condition NN 33941 420 22 of of IN 33941 420 23 the the DT 33941 420 24 glass glass NN 33941 420 25 . . . 33941 421 1 The the DT 33941 421 2 ends end NNS 33941 421 3 of of IN 33941 421 4 soda soda NN 33941 421 5 glass glass NN 33941 421 6 tubes tube NNS 33941 421 7 may may MD 33941 421 8 also also RB 33941 421 9 be be VB 33941 421 10 rounded round VBN 33941 421 11 in in IN 33941 421 12 the the DT 33941 421 13 flame flame NN 33941 421 14 of of IN 33941 421 15 a a DT 33941 421 16 common common JJ 33941 421 17 Bunsen Bunsen NNP 33941 421 18 's 's POS 33941 421 19 burner burner NN 33941 421 20 . . . 33941 422 1 When when WRB 33941 422 2 the the DT 33941 422 3 end end NN 33941 422 4 of of IN 33941 422 5 a a DT 33941 422 6 tube tube NN 33941 422 7 is be VBZ 33941 422 8 to to TO 33941 422 9 be be VB 33941 422 10 closed close VBN 33941 422 11 with with IN 33941 422 12 a a DT 33941 422 13 cork cork NN 33941 422 14 or or CC 33941 422 15 stopper stopper NN 33941 422 16 , , , 33941 422 17 its -PRON- PRP$ 33941 422 18 mouth mouth NN 33941 422 19 should should MD 33941 422 20 be be VB 33941 422 21 expanded expand VBN 33941 422 22 a a DT 33941 422 23 little little JJ 33941 422 24 , , , 33941 422 25 or or CC 33941 422 26 = = SYM 33941 422 27 bordered=. bordered=. NN 33941 423 1 To to TO 33941 423 2 do do VB 33941 423 3 this this DT 33941 423 4 , , , 33941 423 5 heat heat VB 33941 423 6 the the DT 33941 423 7 end end NN 33941 423 8 of of IN 33941 423 9 the the DT 33941 423 10 tube tube NN 33941 423 11 by by IN 33941 423 12 rotating rotate VBG 33941 423 13 it -PRON- PRP 33941 423 14 in in IN 33941 423 15 the the DT 33941 423 16 flame flame NN 33941 423 17 till till IN 33941 423 18 it -PRON- PRP 33941 423 19 softens soften VBZ 33941 423 20 , , , 33941 423 21 then then RB 33941 423 22 remove remove VB 33941 423 23 it -PRON- PRP 33941 423 24 from from IN 33941 423 25 the the DT 33941 423 26 flame flame NN 33941 423 27 , , , 33941 423 28 at at IN 33941 423 29 once once RB 33941 423 30 introduce introduce VB 33941 423 31 the the DT 33941 423 32 charcoal charcoal NN 33941 423 33 cone cone NN 33941 423 34 ( ( -LRB- 33941 423 35 Fig fig NN 33941 423 36 . . . 33941 424 1 5 5 CD 33941 424 2 , , , 33941 424 3 p. p. NN 33941 424 4 11 11 CD 33941 424 5 ) ) -RRB- 33941 424 6 , , , 33941 424 7 and and CC 33941 424 8 rotate rotate VB 33941 424 9 it -PRON- PRP 33941 424 10 with with IN 33941 424 11 gentle gentle JJ 33941 424 12 pressure pressure NN 33941 424 13 against against IN 33941 424 14 the the DT 33941 424 15 softened soften VBN 33941 424 16 glass glass NN 33941 424 17 till till IN 33941 424 18 the the DT 33941 424 19 desired desire VBN 33941 424 20 effect effect NN 33941 424 21 is be VBZ 33941 424 22 produced produce VBN 33941 424 23 . . . 33941 425 1 In in IN 33941 425 2 doing do VBG 33941 425 3 this this DT 33941 425 4 it -PRON- PRP 33941 425 5 is be VBZ 33941 425 6 very very RB 33941 425 7 important important JJ 33941 425 8 that that IN 33941 425 9 the the DT 33941 425 10 end end NN 33941 425 11 of of IN 33941 425 12 the the DT 33941 425 13 tube tube NN 33941 425 14 shall shall MD 33941 425 15 be be VB 33941 425 16 uniformly uniformly RB 33941 425 17 heated heat VBN 33941 425 18 , , , 33941 425 19 in in IN 33941 425 20 order order NN 33941 425 21 that that IN 33941 425 22 the the DT 33941 425 23 enlargement enlargement NN 33941 425 24 shall shall MD 33941 425 25 be be VB 33941 425 26 of of IN 33941 425 27 regular regular JJ 33941 425 28 form form NN 33941 425 29 . . . 33941 426 1 If if IN 33941 426 2 the the DT 33941 426 3 tube tube NN 33941 426 4 can can MD 33941 426 5 not not RB 33941 426 6 be be VB 33941 426 7 sufficiently sufficiently RB 33941 426 8 expanded expand VBN 33941 426 9 at at IN 33941 426 10 one one CD 33941 426 11 operation operation NN 33941 426 12 , , , 33941 426 13 it -PRON- PRP 33941 426 14 should should MD 33941 426 15 be be VB 33941 426 16 re re VBN 33941 426 17 - - VBN 33941 426 18 heated heated JJ 33941 426 19 and and CC 33941 426 20 the the DT 33941 426 21 process process NN 33941 426 22 repeated repeat VBD 33941 426 23 . . . 33941 427 1 Borders border NNS 33941 427 2 , , , 33941 427 3 such such JJ 33941 427 4 as as IN 33941 427 5 are be VBP 33941 427 6 seen see VBN 33941 427 7 on on IN 33941 427 8 test test NN 33941 427 9 - - HYPH 33941 427 10 tubes tube NNS 33941 427 11 , , , 33941 427 12 are be VBP 33941 427 13 made make VBN 33941 427 14 by by IN 33941 427 15 pressing press VBG 33941 427 16 the the DT 33941 427 17 softened softened JJ 33941 427 18 edge edge NN 33941 427 19 of of IN 33941 427 20 the the DT 33941 427 21 tube tube NN 33941 427 22 against against IN 33941 427 23 a a DT 33941 427 24 small small JJ 33941 427 25 iron iron NN 33941 427 26 rod rod NN 33941 427 27 . . . 33941 428 1 The the DT 33941 428 2 end end NN 33941 428 3 of of IN 33941 428 4 the the DT 33941 428 5 rod rod NN 33941 428 6 should should MD 33941 428 7 project project VB 33941 428 8 over over IN 33941 428 9 the the DT 33941 428 10 softened softened JJ 33941 428 11 edge edge NN 33941 428 12 of of IN 33941 428 13 the the DT 33941 428 14 tube tube NN 33941 428 15 at at IN 33941 428 16 a a DT 33941 428 17 slight slight JJ 33941 428 18 angle angle NN 33941 428 19 , , , 33941 428 20 and and CC 33941 428 21 be be VB 33941 428 22 pressed press VBN 33941 428 23 against against IN 33941 428 24 it -PRON- PRP 33941 428 25 , , , 33941 428 26 passing pass VBG 33941 428 27 the the DT 33941 428 28 rod rod NN 33941 428 29 round round IN 33941 428 30 the the DT 33941 428 31 tube tube NN 33941 428 32 , , , 33941 428 33 or or CC 33941 428 34 rotating rotate VBG 33941 428 35 the the DT 33941 428 36 tube tube NN 33941 428 37 under under IN 33941 428 38 the the DT 33941 428 39 rod rod NN 33941 428 40 . . . 33941 429 1 = = NFP 33941 429 2 Sealing= Sealing= NNP 33941 429 3 , , , 33941 429 4 that that WDT 33941 429 5 is be VBZ 33941 429 6 closing close VBG 33941 429 7 the the DT 33941 429 8 ends end NNS 33941 429 9 of of IN 33941 429 10 tubes tube NNS 33941 429 11 , , , 33941 429 12 or or CC 33941 429 13 other other JJ 33941 429 14 openings opening NNS 33941 429 15 , , , 33941 429 16 in in IN 33941 429 17 glass glass NN 33941 429 18 apparatus apparatus NN 33941 429 19 . . . 33941 430 1 In in IN 33941 430 2 performing perform VBG 33941 430 3 this this DT 33941 430 4 and and CC 33941 430 5 all all PDT 33941 430 6 the the DT 33941 430 7 other other JJ 33941 430 8 operations operation NNS 33941 430 9 of of IN 33941 430 10 glass glass NN 33941 430 11 blowing blowing NN 33941 430 12 , , , 33941 430 13 the the DT 33941 430 14 following follow VBG 33941 430 15 points point NNS 33941 430 16 must must MD 33941 430 17 be be VB 33941 430 18 constantly constantly RB 33941 430 19 kept keep VBN 33941 430 20 in in IN 33941 430 21 mind:-- mind:-- NNP 33941 430 22 ( ( -LRB- 33941 430 23 _ _ NNP 33941 430 24 a. a. NN 33941 430 25 _ _ NNP 33941 430 26 ) ) -RRB- 33941 430 27 That that IN 33941 430 28 it -PRON- PRP 33941 430 29 is be VBZ 33941 430 30 rarely rarely RB 33941 430 31 safe safe JJ 33941 430 32 to to TO 33941 430 33 blow blow VB 33941 430 34 glass glass NN 33941 430 35 whilst whilst IN 33941 430 36 it -PRON- PRP 33941 430 37 is be VBZ 33941 430 38 still still RB 33941 430 39 in in IN 33941 430 40 the the DT 33941 430 41 flame flame NN 33941 430 42 , , , 33941 430 43 except except IN 33941 430 44 in in IN 33941 430 45 certain certain JJ 33941 430 46 special special JJ 33941 430 47 cases case NNS 33941 430 48 that that WDT 33941 430 49 will will MD 33941 430 50 be be VB 33941 430 51 mentioned mention VBN 33941 430 52 subsequently subsequently RB 33941 430 53 . . . 33941 431 1 Therefore therefore RB 33941 431 2 always always RB 33941 431 3 remove remove VBP 33941 431 4 apparatus apparatus NN 33941 431 5 from from IN 33941 431 6 the the DT 33941 431 7 flame flame NN 33941 431 8 before before IN 33941 431 9 blowing blow VBG 33941 431 10 . . . 33941 432 1 ( ( -LRB- 33941 432 2 _ _ NNP 33941 432 3 b. b. NNP 33941 432 4 _ _ NNP 33941 432 5 ) ) -RRB- 33941 432 6 That that IN 33941 432 7 when when WRB 33941 432 8 heating heat VBG 33941 432 9 glass glass NN 33941 432 10 tubes tube NNS 33941 432 11 , , , 33941 432 12 unless unless IN 33941 432 13 it -PRON- PRP 33941 432 14 is be VBZ 33941 432 15 specially specially RB 33941 432 16 desired desire VBN 33941 432 17 to to TO 33941 432 18 heat heat VB 33941 432 19 one one CD 33941 432 20 portion portion NN 33941 432 21 only only RB 33941 432 22 , , , 33941 432 23 the the DT 33941 432 24 tube tube NN 33941 432 25 must must MD 33941 432 26 be be VB 33941 432 27 constantly constantly RB 33941 432 28 rotated rotate VBN 33941 432 29 in in IN 33941 432 30 the the DT 33941 432 31 flame flame NN 33941 432 32 to to TO 33941 432 33 ensure ensure VB 33941 432 34 that that IN 33941 432 35 it -PRON- PRP 33941 432 36 shall shall MD 33941 432 37 be be VB 33941 432 38 uniformly uniformly RB 33941 432 39 heated heat VBN 33941 432 40 , , , 33941 432 41 and and CC 33941 432 42 to to TO 33941 432 43 prevent prevent VB 33941 432 44 the the DT 33941 432 45 tube tube NN 33941 432 46 or or CC 33941 432 47 mass mass NN 33941 432 48 of of IN 33941 432 49 glass glass NN 33941 432 50 from from IN 33941 432 51 assuming assume VBG 33941 432 52 an an DT 33941 432 53 irregular irregular JJ 33941 432 54 form form NN 33941 432 55 . . . 33941 433 1 ( ( -LRB- 33941 433 2 _ _ NNP 33941 433 3 c. c. NNP 33941 433 4 _ _ NNP 33941 433 5 ) ) -RRB- 33941 433 6 Always always RB 33941 433 7 blow blow VBP 33941 433 8 gently gently RB 33941 433 9 at at IN 33941 433 10 first first RB 33941 433 11 , , , 33941 433 12 and and CC 33941 433 13 slowly slowly RB 33941 433 14 increase increase VB 33941 433 15 the the DT 33941 433 16 force force NN 33941 433 17 applied apply VBN 33941 433 18 till till IN 33941 433 19 you -PRON- PRP 33941 433 20 feel feel VBP 33941 433 21 or or CC 33941 433 22 see see VBP 33941 433 23 the the DT 33941 433 24 glass glass NN 33941 433 25 giving give VBG 33941 433 26 way way NN 33941 433 27 . . . 33941 434 1 It -PRON- PRP 33941 434 2 is be VBZ 33941 434 3 a a DT 33941 434 4 good good JJ 33941 434 5 plan plan NN 33941 434 6 to to TO 33941 434 7 force force VB 33941 434 8 the the DT 33941 434 9 air air NN 33941 434 10 forward forward RB 33941 434 11 in in IN 33941 434 12 successive successive JJ 33941 434 13 short short JJ 33941 434 14 blasts blast NNS 33941 434 15 rather rather RB 33941 434 16 than than IN 33941 434 17 in in IN 33941 434 18 one one CD 33941 434 19 continued continue VBN 33941 434 20 stream stream NN 33941 434 21 . . . 33941 435 1 ( ( -LRB- 33941 435 2 _ _ NNP 33941 435 3 d. d. NNP 33941 435 4 _ _ NNP 33941 435 5 ) ) -RRB- 33941 435 6 When when WRB 33941 435 7 it -PRON- PRP 33941 435 8 is be VBZ 33941 435 9 necessary necessary JJ 33941 435 10 to to TO 33941 435 11 force force VB 33941 435 12 air air NN 33941 435 13 into into IN 33941 435 14 tubes tube NNS 33941 435 15 of of IN 33941 435 16 fine fine JJ 33941 435 17 bore bore NN 33941 435 18 , , , 33941 435 19 such such JJ 33941 435 20 as as IN 33941 435 21 thermometer thermometer NN 33941 435 22 tubes tube NNS 33941 435 23 , , , 33941 435 24 the the DT 33941 435 25 mouth mouth NN 33941 435 26 must must MD 33941 435 27 not not RB 33941 435 28 be be VB 33941 435 29 used use VBN 33941 435 30 , , , 33941 435 31 for for IN 33941 435 32 moisture moisture NN 33941 435 33 is be VBZ 33941 435 34 thereby thereby RB 33941 435 35 introduced introduce VBN 33941 435 36 into into IN 33941 435 37 the the DT 33941 435 38 tube tube NN 33941 435 39 , , , 33941 435 40 which which WDT 33941 435 41 it -PRON- PRP 33941 435 42 is be VBZ 33941 435 43 very very RB 33941 435 44 difficult difficult JJ 33941 435 45 to to TO 33941 435 46 remove remove VB 33941 435 47 again again RB 33941 435 48 in in IN 33941 435 49 many many JJ 33941 435 50 cases case NNS 33941 435 51 . . . 33941 436 1 All all DT 33941 436 2 tubes tube NNS 33941 436 3 of of IN 33941 436 4 very very RB 33941 436 5 small small JJ 33941 436 6 bore bore NN 33941 436 7 should should MD 33941 436 8 be be VB 33941 436 9 blown blow VBN 33941 436 10 with with IN 33941 436 11 the the DT 33941 436 12 aid aid NN 33941 436 13 of of IN 33941 436 14 an an DT 33941 436 15 india india NN 33941 436 16 - - HYPH 33941 436 17 rubber rubber NN 33941 436 18 blowing blowing NN 33941 436 19 - - HYPH 33941 436 20 bottle bottle NN 33941 436 21 , , , 33941 436 22 such such JJ 33941 436 23 as as IN 33941 436 24 are be VBP 33941 436 25 used use VBN 33941 436 26 for for IN 33941 436 27 spray spray NN 33941 436 28 - - HYPH 33941 436 29 producers producer NNS 33941 436 30 , , , 33941 436 31 Galton Galton NNP 33941 436 32 's 's POS 33941 436 33 whistles whistle NNS 33941 436 34 , , , 33941 436 35 etc etc FW 33941 436 36 . . . 33941 437 1 The the DT 33941 437 2 tube tube NN 33941 437 3 to to TO 33941 437 4 be be VB 33941 437 5 blown blow VBN 33941 437 6 must must MD 33941 437 7 be be VB 33941 437 8 securely securely RB 33941 437 9 fixed fix VBN 33941 437 10 to to IN 33941 437 11 the the DT 33941 437 12 neck neck NN 33941 437 13 of of IN 33941 437 14 the the DT 33941 437 15 bottle bottle NN 33941 437 16 , , , 33941 437 17 which which WDT 33941 437 18 is be VBZ 33941 437 19 then then RB 33941 437 20 held hold VBN 33941 437 21 in in IN 33941 437 22 one one CD 33941 437 23 hand hand NN 33941 437 24 , , , 33941 437 25 and and CC 33941 437 26 air air NN 33941 437 27 is be VBZ 33941 437 28 forced force VBN 33941 437 29 from from IN 33941 437 30 it -PRON- PRP 33941 437 31 into into IN 33941 437 32 the the DT 33941 437 33 tube tube NN 33941 437 34 as as IN 33941 437 35 it -PRON- PRP 33941 437 36 is be VBZ 33941 437 37 required require VBN 33941 437 38 . . . 33941 438 1 These these DT 33941 438 2 bottles bottle NNS 33941 438 3 are be VBP 33941 438 4 frequently frequently RB 33941 438 5 of of IN 33941 438 6 service service NN 33941 438 7 to to IN 33941 438 8 the the DT 33941 438 9 glass glass NN 33941 438 10 - - HYPH 33941 438 11 blower--_e.g blower--_e.g NN 33941 438 12 . . . 33941 438 13 _ _ NNP 33941 438 14 , , , 33941 438 15 when when WRB 33941 438 16 tubes tube NNS 33941 438 17 of of IN 33941 438 18 very very RB 33941 438 19 fine fine JJ 33941 438 20 bore bore NN 33941 438 21 have have VBP 33941 438 22 to to TO 33941 438 23 be be VB 33941 438 24 united united JJ 33941 438 25 , , , 33941 438 26 it -PRON- PRP 33941 438 27 is be VBZ 33941 438 28 necessary necessary JJ 33941 438 29 to to TO 33941 438 30 maintain maintain VB 33941 438 31 an an DT 33941 438 32 internal internal JJ 33941 438 33 pressure pressure NN 33941 438 34 slightly slightly RB 33941 438 35 exceeding exceed VBG 33941 438 36 that that DT 33941 438 37 of of IN 33941 438 38 the the DT 33941 438 39 air air NN 33941 438 40 throughout throughout IN 33941 438 41 the the DT 33941 438 42 operation operation NN 33941 438 43 , , , 33941 438 44 in in IN 33941 438 45 order order NN 33941 438 46 to to TO 33941 438 47 prevent prevent VB 33941 438 48 the the DT 33941 438 49 viscous viscous JJ 33941 438 50 glass glass NN 33941 438 51 from from IN 33941 438 52 running run VBG 33941 438 53 together together RB 33941 438 54 and and CC 33941 438 55 closing close VBG 33941 438 56 the the DT 33941 438 57 tube tube NN 33941 438 58 . . . 33941 439 1 An an DT 33941 439 2 india india NN 33941 439 3 - - HYPH 33941 439 4 rubber rubber NN 33941 439 5 blowing blowing NN 33941 439 6 - - HYPH 33941 439 7 ball ball NN 33941 439 8 is be VBZ 33941 439 9 very very RB 33941 439 10 convenient convenient JJ 33941 439 11 for for IN 33941 439 12 this this DT 33941 439 13 purpose purpose NN 33941 439 14 . . . 33941 440 1 To to TO 33941 440 2 seal seal VB 33941 440 3 the the DT 33941 440 4 end end NN 33941 440 5 of of IN 33941 440 6 a a DT 33941 440 7 glass glass NN 33941 440 8 tube tube NN 33941 440 9 ( ( -LRB- 33941 440 10 Fig fig NN 33941 440 11 . . . 33941 441 1 8) 8) CD 33941 441 2 , , , 33941 441 3 adjust adjust VB 33941 441 4 the the DT 33941 441 5 flame flame NN 33941 441 6 so so IN 33941 441 7 that that IN 33941 441 8 it -PRON- PRP 33941 441 9 will will MD 33941 441 10 heat heat VB 33941 441 11 a a DT 33941 441 12 zone zone NN 33941 441 13 of of IN 33941 441 14 glass glass NN 33941 441 15 about about IN 33941 441 16 as as RB 33941 441 17 broad broad JJ 33941 441 18 as as IN 33941 441 19 the the DT 33941 441 20 diameter diameter NN 33941 441 21 of of IN 33941 441 22 the the DT 33941 441 23 tube tube NN 33941 441 24 to to TO 33941 441 25 be be VB 33941 441 26 sealed seal VBN 33941 441 27 ( ( -LRB- 33941 441 28 see see VB 33941 441 29 _ _ NNP 33941 441 30 A A NNP 33941 441 31 _ _ NNP 33941 441 32 , , , 33941 441 33 Fig Fig NNP 33941 441 34 . . . 33941 442 1 8) 8) CD 33941 442 2 . . . 33941 443 1 Hold hold VB 33941 443 2 the the DT 33941 443 3 tube tube NN 33941 443 4 on on IN 33941 443 5 each each DT 33941 443 6 side side NN 33941 443 7 of of IN 33941 443 8 the the DT 33941 443 9 point point NN 33941 443 10 where where WRB 33941 443 11 it -PRON- PRP 33941 443 12 is be VBZ 33941 443 13 to to TO 33941 443 14 be be VB 33941 443 15 sealed seal VBN 33941 443 16 in in IN 33941 443 17 the the DT 33941 443 18 manner manner NN 33941 443 19 described describe VBN 33941 443 20 in in IN 33941 443 21 the the DT 33941 443 22 description description NN 33941 443 23 of of IN 33941 443 24 bending bend VBG 33941 443 25 glass glass NN 33941 443 26 tubes tube NNS 33941 443 27 ( ( -LRB- 33941 443 28 p. p. NN 33941 443 29 28 28 CD 33941 443 30 ) ) -RRB- 33941 443 31 . . . 33941 444 1 Bring bring VB 33941 444 2 the the DT 33941 444 3 tube tube NN 33941 444 4 gradually gradually RB 33941 444 5 into into IN 33941 444 6 the the DT 33941 444 7 flame flame NN 33941 444 8 , , , 33941 444 9 and and CC 33941 444 10 heat heat VB 33941 444 11 it -PRON- PRP 33941 444 12 with with IN 33941 444 13 constant constant JJ 33941 444 14 rotation rotation NN 33941 444 15 , , , 33941 444 16 till till IN 33941 444 17 the the DT 33941 444 18 glass glass NN 33941 444 19 softens soften NNS 33941 444 20 ( ( -LRB- 33941 444 21 for for IN 33941 444 22 lead lead JJ 33941 444 23 glass glass NN 33941 444 24 the the DT 33941 444 25 oxidising oxidising JJ 33941 444 26 flame flame NN 33941 444 27 must must MD 33941 444 28 be be VB 33941 444 29 used use VBN 33941 444 30 , , , 33941 444 31 as as IN 33941 444 32 has have VBZ 33941 444 33 been be VBN 33941 444 34 already already RB 33941 444 35 explained explain VBN 33941 444 36 ) ) -RRB- 33941 444 37 . . . 33941 445 1 [ [ -LRB- 33941 445 2 6 6 CD 33941 445 3 ] ] -RRB- 33941 445 4 When when WRB 33941 445 5 the the DT 33941 445 6 glass glass NN 33941 445 7 begins begin VBZ 33941 445 8 to to TO 33941 445 9 thicken thicken VB 33941 445 10 , , , 33941 445 11 gently gently RB 33941 445 12 pull pull VB 33941 445 13 asunder asunder RB 33941 445 14 the the DT 33941 445 15 two two CD 33941 445 16 ends end NNS 33941 445 17 , , , 33941 445 18 taking take VBG 33941 445 19 care care NN 33941 445 20 not not RB 33941 445 21 to to TO 33941 445 22 pull pull VB 33941 445 23 out out RP 33941 445 24 the the DT 33941 445 25 softened soften VBN 33941 445 26 glass glass NN 33941 445 27 too too RB 33941 445 28 much much RB 33941 445 29 , , , 33941 445 30 but but CC 33941 445 31 to to TO 33941 445 32 allow allow VB 33941 445 33 the the DT 33941 445 34 sides side NNS 33941 445 35 to to TO 33941 445 36 fall fall VB 33941 445 37 together together RB 33941 445 38 , , , 33941 445 39 as as IN 33941 445 40 shown show VBN 33941 445 41 at at IN 33941 445 42 _ _ NNP 33941 445 43 A A NNP 33941 445 44 _ _ NNP 33941 445 45 . . . 33941 446 1 When when WRB 33941 446 2 this this DT 33941 446 3 has have VBZ 33941 446 4 occurred occur VBN 33941 446 5 , , , 33941 446 6 heat heat VB 33941 446 7 the the DT 33941 446 8 glass glass NN 33941 446 9 at at IN 33941 446 10 the the DT 33941 446 11 narrow narrow JJ 33941 446 12 part part NN 33941 446 13 till till IN 33941 446 14 it -PRON- PRP 33941 446 15 melts melt VBZ 33941 446 16 , , , 33941 446 17 and and CC 33941 446 18 pull pull VB 33941 446 19 asunder asunder RB 33941 446 20 the the DT 33941 446 21 two two CD 33941 446 22 ends end NNS 33941 446 23 . . . 33941 447 1 The the DT 33941 447 2 closed closed JJ 33941 447 3 end end NN 33941 447 4 should should MD 33941 447 5 present present VB 33941 447 6 the the DT 33941 447 7 appearance appearance NN 33941 447 8 shown show VBN 33941 447 9 at at IN 33941 447 10 _ _ NNP 33941 447 11 D D NNP 33941 447 12 _ _ NNP 33941 447 13 . . . 33941 448 1 If if IN 33941 448 2 the the DT 33941 448 3 glass glass NN 33941 448 4 be be VB 33941 448 5 drawn draw VBN 33941 448 6 out out RP 33941 448 7 too too RB 33941 448 8 quickly quickly RB 33941 448 9 its -PRON- PRP$ 33941 448 10 thickness thickness NN 33941 448 11 will will MD 33941 448 12 be be VB 33941 448 13 unduly unduly RB 33941 448 14 reduced reduce VBN 33941 448 15 , , , 33941 448 16 and and CC 33941 448 17 it -PRON- PRP 33941 448 18 will will MD 33941 448 19 present present VB 33941 448 20 the the DT 33941 448 21 appearance appearance NN 33941 448 22 shown show VBN 33941 448 23 at at IN 33941 448 24 _ _ NNP 33941 448 25 B B NNP 33941 448 26 _ _ NNP 33941 448 27 . . . 33941 449 1 In in IN 33941 449 2 that that DT 33941 449 3 case case NN 33941 449 4 apply apply VB 33941 449 5 a a DT 33941 449 6 pointed pointed JJ 33941 449 7 flame flame NN 33941 449 8 at at IN 33941 449 9 _ _ NNP 33941 449 10 b b NNP 33941 449 11 _ _ NNP 33941 449 12 , , , 33941 449 13 and and CC 33941 449 14 repeat repeat VB 33941 449 15 the the DT 33941 449 16 previous previous JJ 33941 449 17 operation operation NN 33941 449 18 so so IN 33941 449 19 as as IN 33941 449 20 to to TO 33941 449 21 contract contract VB 33941 449 22 the the DT 33941 449 23 tube tube NN 33941 449 24 as as IN 33941 449 25 at at IN 33941 449 26 _ _ NNP 33941 449 27 c c NNP 33941 449 28 _ _ NNP 33941 449 29 , , , 33941 449 30 taking take VBG 33941 449 31 care care NN 33941 449 32 not not RB 33941 449 33 to to TO 33941 449 34 allow allow VB 33941 449 35 the the DT 33941 449 36 glass glass NN 33941 449 37 to to TO 33941 449 38 become become VB 33941 449 39 much much JJ 33941 449 40 increased increase VBN 33941 449 41 nor nor CC 33941 449 42 decreased decrease VBN 33941 449 43 in in IN 33941 449 44 thickness thickness NN 33941 449 45 . . . 33941 450 1 [ [ -LRB- 33941 450 2 6 6 CD 33941 450 3 ] ] -RRB- 33941 450 4 Remember remember VB 33941 450 5 that that IN 33941 450 6 when when WRB 33941 450 7 the the DT 33941 450 8 lead lead JJ 33941 450 9 glass glass NN 33941 450 10 is be VBZ 33941 450 11 heated heat VBN 33941 450 12 to to IN 33941 450 13 the the DT 33941 450 14 proper proper JJ 33941 450 15 temperature temperature NN 33941 450 16 it -PRON- PRP 33941 450 17 will will MD 33941 450 18 present present VB 33941 450 19 an an DT 33941 450 20 appearance appearance NN 33941 450 21 which which WDT 33941 450 22 may may MD 33941 450 23 be be VB 33941 450 24 described describe VBN 33941 450 25 as as IN 33941 450 26 a a DT 33941 450 27 greenish greenish JJ 33941 450 28 phosphorescence phosphorescence NN 33941 450 29 . . . 33941 451 1 At at IN 33941 451 2 higher high JJR 33941 451 3 temperatures temperature NNS 33941 451 4 it -PRON- PRP 33941 451 5 assumes assume VBZ 33941 451 6 an an DT 33941 451 7 orange orange JJ 33941 451 8 - - HYPH 33941 451 9 red red JJ 33941 451 10 appearance appearance NN 33941 451 11 . . . 33941 452 1 If if IN 33941 452 2 it -PRON- PRP 33941 452 3 loses lose VBZ 33941 452 4 its -PRON- PRP$ 33941 452 5 transparency transparency NN 33941 452 6 and and CC 33941 452 7 assumes assume VBZ 33941 452 8 a a DT 33941 452 9 dull dull JJ 33941 452 10 appearance appearance NN 33941 452 11 , , , 33941 452 12 it -PRON- PRP 33941 452 13 must must MD 33941 452 14 be be VB 33941 452 15 moved move VBN 33941 452 16 further further RB 33941 452 17 into into IN 33941 452 18 the the DT 33941 452 19 oxidising oxidising JJ 33941 452 20 parts part NNS 33941 452 21 of of IN 33941 452 22 the the DT 33941 452 23 flame flame NN 33941 452 24 . . . 33941 453 1 If if IN 33941 453 2 a a DT 33941 453 3 considerable considerable JJ 33941 453 4 mass mass NN 33941 453 5 of of IN 33941 453 6 glass glass NN 33941 453 7 be be VB 33941 453 8 left leave VBN 33941 453 9 at at IN 33941 453 10 _ _ NNP 33941 453 11 d d NNP 33941 453 12 _ _ NNP 33941 453 13 , , , 33941 453 14 it -PRON- PRP 33941 453 15 may may MD 33941 453 16 be be VB 33941 453 17 removed remove VBN 33941 453 18 by by IN 33941 453 19 heating heat VBG 33941 453 20 it -PRON- PRP 33941 453 21 to to IN 33941 453 22 redness redness NN 33941 453 23 , , , 33941 453 24 touching touch VBG 33941 453 25 it -PRON- PRP 33941 453 26 with with IN 33941 453 27 the the DT 33941 453 28 pointed pointed JJ 33941 453 29 end end NN 33941 453 30 of of IN 33941 453 31 a a DT 33941 453 32 cold cold JJ 33941 453 33 glass glass NN 33941 453 34 tube tube NN 33941 453 35 , , , 33941 453 36 to to TO 33941 453 37 which which WDT 33941 453 38 it -PRON- PRP 33941 453 39 will will MD 33941 453 40 adhere adhere VB 33941 453 41 , , , 33941 453 42 and and CC 33941 453 43 by by IN 33941 453 44 which which WDT 33941 453 45 it -PRON- PRP 33941 453 46 may may MD 33941 453 47 be be VB 33941 453 48 pulled pull VBN 33941 453 49 away away RB 33941 453 50 . . . 33941 454 1 [ [ -LRB- 33941 454 2 Illustration illustration NN 33941 454 3 : : : 33941 454 4 FIG FIG NNP 33941 454 5 . . . 33941 455 1 8 8 LS 33941 455 2 . . . 33941 455 3 ] ] -RRB- 33941 456 1 When when WRB 33941 456 2 the the DT 33941 456 3 end end NN 33941 456 4 of of IN 33941 456 5 the the DT 33941 456 6 tube tube NN 33941 456 7 presents present VBZ 33941 456 8 the the DT 33941 456 9 appearance appearance NN 33941 456 10 shown show VBN 33941 456 11 in in IN 33941 456 12 the the DT 33941 456 13 diagram diagram NN 33941 456 14 _ _ NNP 33941 456 15 D D NNP 33941 456 16 _ _ NNP 33941 456 17 , , , 33941 456 18 and and CC 33941 456 19 the the DT 33941 456 20 mass mass NN 33941 456 21 of of IN 33941 456 22 glass glass NN 33941 456 23 at at IN 33941 456 24 _ _ NNP 33941 456 25 d d NNP 33941 456 26 _ _ NNP 33941 456 27 is be VBZ 33941 456 28 small small JJ 33941 456 29 , , , 33941 456 30 the the DT 33941 456 31 small small JJ 33941 456 32 lump lump NN 33941 456 33 that that WDT 33941 456 34 remains remain VBZ 33941 456 35 must must MD 33941 456 36 be be VB 33941 456 37 removed remove VBN 33941 456 38 by by IN 33941 456 39 heating heat VBG 33941 456 40 it -PRON- PRP 33941 456 41 till till IN 33941 456 42 it -PRON- PRP 33941 456 43 softens soften VBZ 33941 456 44 , , , 33941 456 45 and and CC 33941 456 46 _ _ NNP 33941 456 47 gently gently RB 33941 456 48 _ _ NNP 33941 456 49 blowing blow VBG 33941 456 50 with with IN 33941 456 51 the the DT 33941 456 52 mouth mouth NN 33941 456 53 , , , 33941 456 54 so so IN 33941 456 55 as as IN 33941 456 56 to to TO 33941 456 57 round round VB 33941 456 58 the the DT 33941 456 59 end end NN 33941 456 60 and and CC 33941 456 61 distribute distribute VB 33941 456 62 the the DT 33941 456 63 glass glass NN 33941 456 64 more more RBR 33941 456 65 regularly regularly RB 33941 456 66 , , , 33941 456 67 as as IN 33941 456 68 shown show VBN 33941 456 69 in in IN 33941 456 70 _ _ NNP 33941 456 71 E E NNP 33941 456 72 _ _ NNP 33941 456 73 . . . 33941 457 1 The the DT 33941 457 2 whole whole JJ 33941 457 3 end end NN 33941 457 4 , , , 33941 457 5 from from IN 33941 457 6 the the DT 33941 457 7 dotted dotted JJ 33941 457 8 line line NN 33941 457 9 _ _ NNP 33941 457 10 e e NNP 33941 457 11 _ _ NNP 33941 457 12 , , , 33941 457 13 must must MD 33941 457 14 then then RB 33941 457 15 be be VB 33941 457 16 heated heat VBN 33941 457 17 with with IN 33941 457 18 constant constant JJ 33941 457 19 rotation rotation NN 33941 457 20 in in IN 33941 457 21 the the DT 33941 457 22 flame flame NN 33941 457 23 . . . 33941 458 1 If if IN 33941 458 2 this this DT 33941 458 3 final final JJ 33941 458 4 heating heating NN 33941 458 5 of of IN 33941 458 6 the the DT 33941 458 7 end end NN 33941 458 8 _ _ NNP 33941 458 9 e e NNP 33941 458 10 _ _ NNP 33941 458 11 be be VB 33941 458 12 done do VBN 33941 458 13 skilfully skilfully RB 33941 458 14 , , , 33941 458 15 the the DT 33941 458 16 glass glass NN 33941 458 17 will will MD 33941 458 18 probably probably RB 33941 458 19 collapse collapse VB 33941 458 20 and and CC 33941 458 21 flatten flatten VB 33941 458 22 , , , 33941 458 23 as as IN 33941 458 24 at at IN 33941 458 25 _ _ NNP 33941 458 26 F F NNP 33941 458 27 _ _ NNP 33941 458 28 . . . 33941 459 1 The the DT 33941 459 2 end end NN 33941 459 3 must must MD 33941 459 4 then then RB 33941 459 5 be be VB 33941 459 6 gently gently RB 33941 459 7 blown blow VBN 33941 459 8 into into IN 33941 459 9 the the DT 33941 459 10 form form NN 33941 459 11 shown show VBN 33941 459 12 at at IN 33941 459 13 _ _ NNP 33941 459 14 G G NNP 33941 459 15 _ _ NNP 33941 459 16 . . . 33941 460 1 If if IN 33941 460 2 a a DT 33941 460 3 flat flat JJ 33941 460 4 end end NN 33941 460 5 to to IN 33941 460 6 the the DT 33941 460 7 tube tube NN 33941 460 8 be be VB 33941 460 9 desired desire VBN 33941 460 10 , , , 33941 460 11 the the DT 33941 460 12 tube tube NN 33941 460 13 may may MD 33941 460 14 be be VB 33941 460 15 left leave VBN 33941 460 16 in in IN 33941 460 17 the the DT 33941 460 18 condition condition NN 33941 460 19 shown show VBN 33941 460 20 by by IN 33941 460 21 _ _ NNP 33941 460 22 F F NNP 33941 460 23 _ _ NNP 33941 460 24 , , , 33941 460 25 or or CC 33941 460 26 a a DT 33941 460 27 thin thin JJ 33941 460 28 rounded rounded JJ 33941 460 29 end end NN 33941 460 30 may may MD 33941 460 31 be be VB 33941 460 32 flattened flatten VBN 33941 460 33 by by IN 33941 460 34 pressure pressure NN 33941 460 35 on on IN 33941 460 36 a a DT 33941 460 37 plate plate NN 33941 460 38 of of IN 33941 460 39 iron iron NN 33941 460 40 . . . 33941 461 1 If if IN 33941 461 2 a a DT 33941 461 3 concave concave NN 33941 461 4 end end NN 33941 461 5 be be VB 33941 461 6 wished wish VBN 33941 461 7 for for IN 33941 461 8 , , , 33941 461 9 it -PRON- PRP 33941 461 10 is be VBZ 33941 461 11 only only RB 33941 461 12 necessary necessary JJ 33941 461 13 to to TO 33941 461 14 gently gently RB 33941 461 15 suck suck VB 33941 461 16 air air NN 33941 461 17 from from IN 33941 461 18 the the DT 33941 461 19 tube tube NN 33941 461 20 before before IN 33941 461 21 the the DT 33941 461 22 flattened flattened JJ 33941 461 23 end end NN 33941 461 24 has have VBZ 33941 461 25 become become VBN 33941 461 26 solid solid JJ 33941 461 27 . . . 33941 462 1 In in IN 33941 462 2 each each DT 33941 462 3 case case NN 33941 462 4 , , , 33941 462 5 _ _ NNP 33941 462 6 immediately immediately RB 33941 462 7 _ _ NNP 33941 462 8 after after IN 33941 462 9 the the DT 33941 462 10 tube tube NN 33941 462 11 is be VBZ 33941 462 12 completed complete VBN 33941 462 13 , , , 33941 462 14 it -PRON- PRP 33941 462 15 must must MD 33941 462 16 be be VB 33941 462 17 closely closely RB 33941 462 18 wrapped wrap VBN 33941 462 19 in in IN 33941 462 20 cotton cotton NN 33941 462 21 wool wool NN 33941 462 22 and and CC 33941 462 23 left leave VBD 33941 462 24 to to TO 33941 462 25 cool cool JJ 33941 462 26 . . . 33941 463 1 With with IN 33941 463 2 good good JJ 33941 463 3 lead lead NN 33941 463 4 glass glass NN 33941 463 5 this this DT 33941 463 6 last last JJ 33941 463 7 process process NN 33941 463 8 , , , 33941 463 9 though though IN 33941 463 10 advantageous advantageous JJ 33941 463 11 , , , 33941 463 12 is be VBZ 33941 463 13 not not RB 33941 463 14 absolutely absolutely RB 33941 463 15 necessary necessary JJ 33941 463 16 ; ; : 33941 463 17 and and CC 33941 463 18 as as IN 33941 463 19 glass glass NN 33941 463 20 cools cool NNS 33941 463 21 slowly slowly RB 33941 463 22 when when WRB 33941 463 23 enveloped envelop VBN 33941 463 24 in in IN 33941 463 25 cotton cotton NN 33941 463 26 wool wool NN 33941 463 27 , , , 33941 463 28 this this DT 33941 463 29 precaution precaution NN 33941 463 30 may may MD 33941 463 31 frequently frequently RB 33941 463 32 be be VB 33941 463 33 neglected neglect VBN 33941 463 34 in in IN 33941 463 35 the the DT 33941 463 36 case case NN 33941 463 37 of of IN 33941 463 38 apparatus apparatus NN 33941 463 39 made make VBN 33941 463 40 from from IN 33941 463 41 lead lead JJ 33941 463 42 glass glass NN 33941 463 43 . . . 33941 464 1 [ [ -LRB- 33941 464 2 Illustration illustration NN 33941 464 3 : : : 33941 464 4 FIG FIG NNP 33941 464 5 . . . 33941 465 1 9 9 CD 33941 465 2 . . . 33941 465 3 ] ] -RRB- 33941 466 1 In in IN 33941 466 2 order order NN 33941 466 3 to to TO 33941 466 4 draw draw VB 33941 466 5 out out RP 33941 466 6 tubes tube NNS 33941 466 7 for for IN 33941 466 8 sealing sealing NN 33941 466 9 , , , 33941 466 10 close close RB 33941 466 11 to to IN 33941 466 12 one one CD 33941 466 13 end end NN 33941 466 14 , , , 33941 466 15 and and CC 33941 466 16 thus thus RB 33941 466 17 to to TO 33941 466 18 avoid avoid VB 33941 466 19 waste waste NN 33941 466 20 of of IN 33941 466 21 material material NN 33941 466 22 , , , 33941 466 23 it -PRON- PRP 33941 466 24 is be VBZ 33941 466 25 a a DT 33941 466 26 good good JJ 33941 466 27 plan plan NN 33941 466 28 to to TO 33941 466 29 heat heat VB 33941 466 30 simultaneously simultaneously RB 33941 466 31 the the DT 33941 466 32 end end NN 33941 466 33 of of IN 33941 466 34 the the DT 33941 466 35 glass glass NN 33941 466 36 tube tube NN 33941 466 37 _ _ NNP 33941 466 38 A A NNP 33941 466 39 _ _ NNP 33941 466 40 which which WDT 33941 466 41 is be VBZ 33941 466 42 to to TO 33941 466 43 be be VB 33941 466 44 sealed seal VBN 33941 466 45 , , , 33941 466 46 and and CC 33941 466 47 one one CD 33941 466 48 end end NN 33941 466 49 of of IN 33941 466 50 a a DT 33941 466 51 piece piece NN 33941 466 52 of of IN 33941 466 53 waste waste NN 33941 466 54 tube tube NN 33941 466 55 _ _ NNP 33941 466 56 E E NNP 33941 466 57 _ _ NNP 33941 466 58 of of IN 33941 466 59 about about RB 33941 466 60 the the DT 33941 466 61 same same JJ 33941 466 62 diameter diameter NN 33941 466 63 , , , 33941 466 64 and and CC 33941 466 65 when when WRB 33941 466 66 they -PRON- PRP 33941 466 67 are be VBP 33941 466 68 fused fuse VBN 33941 466 69 to to TO 33941 466 70 bring bring VB 33941 466 71 them -PRON- PRP 33941 466 72 together together RB 33941 466 73 as as IN 33941 466 74 at at IN 33941 466 75 _ _ NNP 33941 466 76 DD DD NNP 33941 466 77 _ _ NNP 33941 466 78 ( ( -LRB- 33941 466 79 Fig Fig NNP 33941 466 80 . . . 33941 467 1 9 9 LS 33941 467 2 ) ) -RRB- 33941 467 3 . . . 33941 468 1 _ _ NNP 33941 468 2 E E NNP 33941 468 3 _ _ NNP 33941 468 4 will will MD 33941 468 5 then then RB 33941 468 6 serve serve VB 33941 468 7 as as IN 33941 468 8 a a DT 33941 468 9 handle handle NN 33941 468 10 in in IN 33941 468 11 the the DT 33941 468 12 subsequent subsequent JJ 33941 468 13 operations operation NNS 33941 468 14 on on IN 33941 468 15 _ _ NNP 33941 468 16 A A NNP 33941 468 17 _ _ NNP 33941 468 18 . . . 33941 469 1 Such such PDT 33941 469 2 a a DT 33941 469 3 rough rough JJ 33941 469 4 joint joint NN 33941 469 5 as as IN 33941 469 6 that that DT 33941 469 7 at at IN 33941 469 8 _ _ NNP 33941 469 9 D D NNP 33941 469 10 _ _ NNP 33941 469 11 must must MD 33941 469 12 not not RB 33941 469 13 be be VB 33941 469 14 allowed allow VBN 33941 469 15 to to TO 33941 469 16 cool cool VB 33941 469 17 too too RB 33941 469 18 much much RB 33941 469 19 during during IN 33941 469 20 the the DT 33941 469 21 work work NN 33941 469 22 in in IN 33941 469 23 hand hand NN 33941 469 24 , , , 33941 469 25 or or CC 33941 469 26 _ _ NNP 33941 469 27 E E NNP 33941 469 28 _ _ NNP 33941 469 29 and and CC 33941 469 30 _ _ NNP 33941 469 31 A A NNP 33941 469 32 _ _ NNP 33941 469 33 may may MD 33941 469 34 separate separate VB 33941 469 35 at at IN 33941 469 36 an an DT 33941 469 37 inconvenient inconvenient JJ 33941 469 38 moment moment NN 33941 469 39 . . . 33941 470 1 Or or CC 33941 470 2 the the DT 33941 470 3 glass glass NN 33941 470 4 at at IN 33941 470 5 the the DT 33941 470 6 end end NN 33941 470 7 of of IN 33941 470 8 the the DT 33941 470 9 tube tube NN 33941 470 10 may may MD 33941 470 11 be be VB 33941 470 12 pressed press VBN 33941 470 13 together together RB 33941 470 14 to to TO 33941 470 15 close close VB 33941 470 16 the the DT 33941 470 17 tube tube NN 33941 470 18 , , , 33941 470 19 and and CC 33941 470 20 the the DT 33941 470 21 mass mass NN 33941 470 22 of of IN 33941 470 23 glass glass NN 33941 470 24 may may MD 33941 470 25 be be VB 33941 470 26 seized seize VBN 33941 470 27 with with IN 33941 470 28 a a DT 33941 470 29 pair pair NN 33941 470 30 of of IN 33941 470 31 tongs tong NNS 33941 470 32 and and CC 33941 470 33 drawn draw VBN 33941 470 34 away away RB 33941 470 35 . . . 33941 471 1 = = NFP 33941 471 2 Choking choke VBG 33941 471 3 , , , 33941 471 4 or or CC 33941 471 5 Contracting contract VBG 33941 471 6 the the DT 33941 471 7 Bore Bore NNP 33941 471 8 of of IN 33941 471 9 a a DT 33941 471 10 Glass Glass NNP 33941 471 11 Tube.=--If Tube.=--If : 33941 471 12 it -PRON- PRP 33941 471 13 be be VB 33941 471 14 not not RB 33941 471 15 desired desire VBN 33941 471 16 to to TO 33941 471 17 maintain maintain VB 33941 471 18 the the DT 33941 471 19 uniformity uniformity NN 33941 471 20 of of IN 33941 471 21 external external JJ 33941 471 22 dimensions dimension NNS 33941 471 23 of of IN 33941 471 24 the the DT 33941 471 25 tube tube NN 33941 471 26 whilst whilst IN 33941 471 27 decreasing decrease VBG 33941 471 28 the the DT 33941 471 29 diameter diameter NN 33941 471 30 of of IN 33941 471 31 the the DT 33941 471 32 bore bore NN 33941 471 33 , , , 33941 471 34 the the DT 33941 471 35 tube tube NN 33941 471 36 may may MD 33941 471 37 be be VB 33941 471 38 heated heat VBN 33941 471 39 and and CC 33941 471 40 drawn draw VBN 33941 471 41 out out RP 33941 471 42 as as IN 33941 471 43 described describe VBN 33941 471 44 in in IN 33941 471 45 the the DT 33941 471 46 description description NN 33941 471 47 of of IN 33941 471 48 sealing seal VBG 33941 471 49 tubes tube NNS 33941 471 50 on on IN 33941 471 51 pp pp NNP 33941 471 52 . . . 33941 472 1 32 32 CD 33941 472 2 - - SYM 33941 472 3 35 35 CD 33941 472 4 . . . 33941 473 1 This this DT 33941 473 2 may may MD 33941 473 3 be be VB 33941 473 4 done do VBN 33941 473 5 as as IN 33941 473 6 shown show VBN 33941 473 7 at at IN 33941 473 8 _ _ NNP 33941 473 9 A A NNP 33941 473 10 _ _ NNP 33941 473 11 or or CC 33941 473 12 _ _ NNP 33941 473 13 B B NNP 33941 473 14 _ _ NNP 33941 473 15 in in IN 33941 473 16 Fig Fig NNP 33941 473 17 . . . 33941 474 1 8 8 LS 33941 474 2 , , , 33941 474 3 according accord VBG 33941 474 4 to to IN 33941 474 5 the the DT 33941 474 6 use use NN 33941 474 7 to to TO 33941 474 8 which which WDT 33941 474 9 the the DT 33941 474 10 contracted contract VBN 33941 474 11 tube tube NN 33941 474 12 is be VBZ 33941 474 13 to to TO 33941 474 14 be be VB 33941 474 15 put put VBN 33941 474 16 . . . 33941 475 1 [ [ -LRB- 33941 475 2 Illustration illustration NN 33941 475 3 : : : 33941 475 4 FIG FIG NNP 33941 475 5 . . . 33941 476 1 10 10 CD 33941 476 2 . . . 33941 476 3 ] ] -RRB- 33941 477 1 Greater great JJR 33941 477 2 strength strength NN 33941 477 3 and and CC 33941 477 4 elegance elegance NN 33941 477 5 will will MD 33941 477 6 be be VB 33941 477 7 secured secure VBN 33941 477 8 by by IN 33941 477 9 preserving preserve VBG 33941 477 10 the the DT 33941 477 11 external external JJ 33941 477 12 diameter diameter NN 33941 477 13 of of IN 33941 477 14 the the DT 33941 477 15 tube tube NN 33941 477 16 unchanged unchanged JJ 33941 477 17 throughout throughout IN 33941 477 18 , , , 33941 477 19 as as IN 33941 477 20 shown show VBN 33941 477 21 in in IN 33941 477 22 Fig Fig NNP 33941 477 23 . . . 33941 478 1 10 10 CD 33941 478 2 . . . 33941 479 1 For for IN 33941 479 2 this this DT 33941 479 3 purpose purpose NN 33941 479 4 heat heat VBP 33941 479 5 the the DT 33941 479 6 tube tube NN 33941 479 7 with with IN 33941 479 8 the the DT 33941 479 9 pointed pointed JJ 33941 479 10 flame flame NN 33941 479 11 , , , 33941 479 12 if if IN 33941 479 13 it -PRON- PRP 33941 479 14 be be VB 33941 479 15 small small JJ 33941 479 16 , , , 33941 479 17 or or CC 33941 479 18 in in IN 33941 479 19 the the DT 33941 479 20 brush brush NN 33941 479 21 flame flame NN 33941 479 22 if if IN 33941 479 23 it -PRON- PRP 33941 479 24 be be VBP 33941 479 25 of of IN 33941 479 26 large large JJ 33941 479 27 size size NN 33941 479 28 , , , 33941 479 29 constantly constantly RB 33941 479 30 rotating rotate VBG 33941 479 31 it -PRON- PRP 33941 479 32 till till IN 33941 479 33 the the DT 33941 479 34 glass glass NN 33941 479 35 softens soften NNS 33941 479 36 and and CC 33941 479 37 the the DT 33941 479 38 sides side NNS 33941 479 39 show show VBP 33941 479 40 an an DT 33941 479 41 inclination inclination NN 33941 479 42 to to TO 33941 479 43 fall fall VB 33941 479 44 together together RB 33941 479 45 , , , 33941 479 46 when when WRB 33941 479 47 this this DT 33941 479 48 occurs occur VBZ 33941 479 49 , , , 33941 479 50 push push VB 33941 479 51 the the DT 33941 479 52 two two CD 33941 479 53 ends end NNS 33941 479 54 gently gently RB 33941 479 55 towards towards IN 33941 479 56 _ _ NNP 33941 479 57 A A NNP 33941 479 58 _ _ NNP 33941 479 59 . . . 33941 480 1 If if IN 33941 480 2 the the DT 33941 480 3 tube tube NN 33941 480 4 should should MD 33941 480 5 become become VB 33941 480 6 too too RB 33941 480 7 much much JJ 33941 480 8 thickened thicken VBN 33941 480 9 at at IN 33941 480 10 _ _ NNP 33941 480 11 A A NNP 33941 480 12 _ _ NNP 33941 480 13 , , , 33941 480 14 the the DT 33941 480 15 fault fault NN 33941 480 16 may may MD 33941 480 17 be be VB 33941 480 18 corrected correct VBN 33941 480 19 by by IN 33941 480 20 removing remove VBG 33941 480 21 it -PRON- PRP 33941 480 22 from from IN 33941 480 23 the the DT 33941 480 24 flame flame NN 33941 480 25 and and CC 33941 480 26 gently gently RB 33941 480 27 pulling pull VBG 33941 480 28 the the DT 33941 480 29 two two CD 33941 480 30 ends end VBZ 33941 480 31 apart apart RB 33941 480 32 till till IN 33941 480 33 it -PRON- PRP 33941 480 34 is be VBZ 33941 480 35 of of IN 33941 480 36 the the DT 33941 480 37 proper proper JJ 33941 480 38 size size NN 33941 480 39 . . . 33941 481 1 If if IN 33941 481 2 the the DT 33941 481 3 bore bore NN 33941 481 4 at at IN 33941 481 5 the the DT 33941 481 6 contracted contract VBN 33941 481 7 part part NN 33941 481 8 of of IN 33941 481 9 the the DT 33941 481 10 tube tube NN 33941 481 11 should should MD 33941 481 12 become become VB 33941 481 13 too too RB 33941 481 14 much much JJ 33941 481 15 reduced reduce VBN 33941 481 16 , , , 33941 481 17 it -PRON- PRP 33941 481 18 may may MD 33941 481 19 be be VB 33941 481 20 enlarged enlarge VBN 33941 481 21 by by IN 33941 481 22 closing close VBG 33941 481 23 one one CD 33941 481 24 end end NN 33941 481 25 of of IN 33941 481 26 the the DT 33941 481 27 tube tube NN 33941 481 28 with with IN 33941 481 29 a a DT 33941 481 30 small small JJ 33941 481 31 cork cork NN 33941 481 32 , , , 33941 481 33 and and CC 33941 481 34 blowing blow VBG 33941 481 35 gently gently RB 33941 481 36 into into IN 33941 481 37 the the DT 33941 481 38 open open JJ 33941 481 39 end end NN 33941 481 40 after after IN 33941 481 41 sufficiently sufficiently RB 33941 481 42 heating heat VBG 33941 481 43 the the DT 33941 481 44 contracted contract VBN 33941 481 45 part part NN 33941 481 46 . . . 33941 482 1 The the DT 33941 482 2 tube tube NN 33941 482 3 should should MD 33941 482 4 be be VB 33941 482 5 rotated rotate VBN 33941 482 6 during during IN 33941 482 7 blowing blowing NN 33941 482 8 or or CC 33941 482 9 the the DT 33941 482 10 enlargement enlargement NN 33941 482 11 produced produce VBN 33941 482 12 may may MD 33941 482 13 be be VB 33941 482 14 irregular irregular JJ 33941 482 15 . . . 33941 483 1 When when WRB 33941 483 2 the the DT 33941 483 3 external external JJ 33941 483 4 diameter diameter NN 33941 483 5 of of IN 33941 483 6 the the DT 33941 483 7 tube tube NN 33941 483 8 is be VBZ 33941 483 9 to to TO 33941 483 10 be be VB 33941 483 11 increased increase VBN 33941 483 12 as as RB 33941 483 13 well well RB 33941 483 14 as as IN 33941 483 15 its -PRON- PRP$ 33941 483 16 bore bore NN 33941 483 17 diminished diminish VBN 33941 483 18 , , , 33941 483 19 press press VB 33941 483 20 together together RB 33941 483 21 the the DT 33941 483 22 ends end NNS 33941 483 23 of of IN 33941 483 24 a a DT 33941 483 25 tube tube NN 33941 483 26 heated heat VBN 33941 483 27 at at IN 33941 483 28 the the DT 33941 483 29 part part NN 33941 483 30 to to TO 33941 483 31 be be VB 33941 483 32 contracted contract VBN 33941 483 33 , , , 33941 483 34 as as IN 33941 483 35 already already RB 33941 483 36 described describe VBN 33941 483 37 , , , 33941 483 38 and and CC 33941 483 39 regulate regulate VB 33941 483 40 the the DT 33941 483 41 size size NN 33941 483 42 of of IN 33941 483 43 the the DT 33941 483 44 bore bore NN 33941 483 45 by by IN 33941 483 46 blowing blow VBG 33941 483 47 into into IN 33941 483 48 the the DT 33941 483 49 tube tube NN 33941 483 50 if if IN 33941 483 51 at at IN 33941 483 52 any any DT 33941 483 53 time time NN 33941 483 54 it -PRON- PRP 33941 483 55 threatens threaten VBZ 33941 483 56 to to TO 33941 483 57 become become VB 33941 483 58 too too RB 33941 483 59 much much RB 33941 483 60 contracted contract VBN 33941 483 61 . . . 33941 484 1 = = NFP 33941 484 2 Widening widening NN 33941 484 3 Tubes.=--Tubes Tubes.=--Tubes `` 33941 484 4 may may MD 33941 484 5 be be VB 33941 484 6 moderately moderately RB 33941 484 7 expanded expand VBN 33941 484 8 at at IN 33941 484 9 their -PRON- PRP$ 33941 484 10 extremities extremity NNS 33941 484 11 by by IN 33941 484 12 means mean NNS 33941 484 13 of of IN 33941 484 14 the the DT 33941 484 15 charcoal charcoal NN 33941 484 16 cone cone NN 33941 484 17 ( ( -LRB- 33941 484 18 see see VB 33941 484 19 Bordering Bordering NNP 33941 484 20 , , , 33941 484 21 p. p. NN 33941 484 22 31 31 CD 33941 484 23 ) ) -RRB- 33941 484 24 . . . 33941 485 1 They -PRON- PRP 33941 485 2 may may MD 33941 485 3 be be VB 33941 485 4 slightly slightly RB 33941 485 5 expanded expand VBN 33941 485 6 at at IN 33941 485 7 any any DT 33941 485 8 other other JJ 33941 485 9 part part NN 33941 485 10 by by IN 33941 485 11 closing close VBG 33941 485 12 one one CD 33941 485 13 end end NN 33941 485 14 and and CC 33941 485 15 gently gently RB 33941 485 16 blowing blow VBG 33941 485 17 into into IN 33941 485 18 the the DT 33941 485 19 open open JJ 33941 485 20 end end NN 33941 485 21 of of IN 33941 485 22 the the DT 33941 485 23 tube tube NN 33941 485 24 , , , 33941 485 25 after after IN 33941 485 26 softening soften VBG 33941 485 27 the the DT 33941 485 28 glass glass NN 33941 485 29 at at IN 33941 485 30 the the DT 33941 485 31 part part NN 33941 485 32 to to TO 33941 485 33 be be VB 33941 485 34 widened widen VBN 33941 485 35 before before IN 33941 485 36 the the DT 33941 485 37 blow blow NN 33941 485 38 - - HYPH 33941 485 39 pipe pipe NN 33941 485 40 . . . 33941 486 1 But but CC 33941 486 2 the the DT 33941 486 3 best good JJS 33941 486 4 method method NN 33941 486 5 of of IN 33941 486 6 obtaining obtain VBG 33941 486 7 a a DT 33941 486 8 wide wide JJ 33941 486 9 tube tube NN 33941 486 10 with with IN 33941 486 11 narrow narrow JJ 33941 486 12 extremities extremity NNS 33941 486 13 ( ( -LRB- 33941 486 14 Fig fig NN 33941 486 15 . . . 33941 487 1 11 11 LS 33941 487 2 ) ) -RRB- 33941 487 3 is be VBZ 33941 487 4 to to TO 33941 487 5 join join VB 33941 487 6 pieces piece NNS 33941 487 7 of of IN 33941 487 8 narrow narrow JJ 33941 487 9 tube tube NN 33941 487 10 _ _ NNP 33941 487 11 AA AA NNP 33941 487 12 _ _ NNP 33941 487 13 to to IN 33941 487 14 the the DT 33941 487 15 ends end NNS 33941 487 16 of of IN 33941 487 17 a a DT 33941 487 18 piece piece NN 33941 487 19 of of IN 33941 487 20 wider wide JJR 33941 487 21 tube tube NN 33941 487 22 _ _ NNP 33941 487 23 B B NNP 33941 487 24 _ _ NNP 33941 487 25 of of IN 33941 487 26 the the DT 33941 487 27 desired desire VBN 33941 487 28 dimensions dimension NNS 33941 487 29 . . . 33941 488 1 The the DT 33941 488 2 method method NN 33941 488 3 of of IN 33941 488 4 performing perform VBG 33941 488 5 this this DT 33941 488 6 operation operation NN 33941 488 7 is be VBZ 33941 488 8 described describe VBN 33941 488 9 under under IN 33941 488 10 welding welding NN 33941 488 11 , , , 33941 488 12 on on IN 33941 488 13 pp pp NNP 33941 488 14 . . . 33941 489 1 39 39 CD 33941 489 2 - - SYM 33941 489 3 47 47 CD 33941 489 4 . . . 33941 490 1 [ [ -LRB- 33941 490 2 Illustration illustration NN 33941 490 3 : : : 33941 490 4 FIG FIG NNP 33941 490 5 . . . 33941 491 1 11 11 CD 33941 491 2 . . . 33941 491 3 ] ] -RRB- 33941 492 1 [ [ -LRB- 33941 492 2 Illustration illustration NN 33941 492 3 : : : 33941 492 4 FIG FIG NNP 33941 492 5 . . . 33941 493 1 12 12 CD 33941 493 2 . . . 33941 493 3 ] ] -RRB- 33941 494 1 = = NFP 33941 494 2 Piercing pierce VBG 33941 494 3 Tubes.=--The tubes.=--the DT 33941 494 4 glass glass NN 33941 494 5 - - HYPH 33941 494 6 blower blower NN 33941 494 7 very very RB 33941 494 8 frequently frequently RB 33941 494 9 requires require VBZ 33941 494 10 to to TO 33941 494 11 make make VB 33941 494 12 a a DT 33941 494 13 large large JJ 33941 494 14 or or CC 33941 494 15 small small JJ 33941 494 16 opening opening NN 33941 494 17 in in IN 33941 494 18 some some DT 33941 494 19 part part NN 33941 494 20 of of IN 33941 494 21 a a DT 33941 494 22 tube tube NN 33941 494 23 or or CC 33941 494 24 other other JJ 33941 494 25 piece piece NN 33941 494 26 of of IN 33941 494 27 apparatus apparatus NN 33941 494 28 . . . 33941 495 1 This this DT 33941 495 2 is be VBZ 33941 495 3 known know VBN 33941 495 4 as as IN 33941 495 5 piercing pierce VBG 33941 495 6 . . . 33941 496 1 Suppose suppose VB 33941 496 2 it -PRON- PRP 33941 496 3 is be VBZ 33941 496 4 desired desire VBN 33941 496 5 to to TO 33941 496 6 make make VB 33941 496 7 a a DT 33941 496 8 small small JJ 33941 496 9 hole hole NN 33941 496 10 at at IN 33941 496 11 the the DT 33941 496 12 point point NN 33941 496 13 _ _ NNP 33941 496 14 a a DT 33941 496 15 _ _ NNP 33941 496 16 in in IN 33941 496 17 _ _ NNP 33941 496 18 A A NNP 33941 496 19 _ _ NNP 33941 496 20 ( ( -LRB- 33941 496 21 Fig fig NN 33941 496 22 . . . 33941 497 1 12 12 CD 33941 497 2 ) ) -RRB- 33941 497 3 . . . 33941 498 1 When when WRB 33941 498 2 the the DT 33941 498 3 tube tube NN 33941 498 4 has have VBZ 33941 498 5 been be VBN 33941 498 6 brought bring VBN 33941 498 7 to to IN 33941 498 8 the the DT 33941 498 9 flame flame NN 33941 498 10 with with IN 33941 498 11 the the DT 33941 498 12 usual usual JJ 33941 498 13 precautions precaution NNS 33941 498 14 , , , 33941 498 15 allow allow VB 33941 498 16 the the DT 33941 498 17 end end NN 33941 498 18 of of IN 33941 498 19 the the DT 33941 498 20 pointed pointed JJ 33941 498 21 flame flame NN 33941 498 22 to to TO 33941 498 23 touch touch VB 33941 498 24 it -PRON- PRP 33941 498 25 at at IN 33941 498 26 _ _ NNP 33941 498 27 a a DT 33941 498 28 _ _ NNP 33941 498 29 till till IN 33941 498 30 an an DT 33941 498 31 area area NN 33941 498 32 corresponding correspond VBG 33941 498 33 to to IN 33941 498 34 the the DT 33941 498 35 desired desire VBN 33941 498 36 size size NN 33941 498 37 of of IN 33941 498 38 the the DT 33941 498 39 opening opening NN 33941 498 40 is be VBZ 33941 498 41 thoroughly thoroughly RB 33941 498 42 softened soften VBN 33941 498 43 . . . 33941 499 1 Then then RB 33941 499 2 expand expand VB 33941 499 3 the the DT 33941 499 4 softened softened JJ 33941 499 5 glass glass NN 33941 499 6 by by IN 33941 499 7 blowing blow VBG 33941 499 8 to to IN 33941 499 9 the the DT 33941 499 10 form form NN 33941 499 11 shown show VBN 33941 499 12 at at IN 33941 499 13 _ _ NNP 33941 499 14 B B NNP 33941 499 15 _ _ NNP 33941 499 16 . . . 33941 500 1 Re re NN 33941 500 2 - - NN 33941 500 3 heat heat NN 33941 500 4 _ _ NNP 33941 500 5 a a DT 33941 500 6 _ _ NNP 33941 500 7 , , , 33941 500 8 blow blow VB 33941 500 9 a a DT 33941 500 10 small small JJ 33941 500 11 globe globe NN 33941 500 12 as as IN 33941 500 13 at at IN 33941 500 14 _ _ NNP 33941 500 15 C C NNP 33941 500 16 _ _ NNP 33941 500 17 , , , 33941 500 18 and and CC 33941 500 19 carefully carefully RB 33941 500 20 break break VB 33941 500 21 the the DT 33941 500 22 thin thin JJ 33941 500 23 glass glass NN 33941 500 24 , , , 33941 500 25 then then RB 33941 500 26 smooth smooth VB 33941 500 27 the the DT 33941 500 28 rough rough JJ 33941 500 29 edges edge NNS 33941 500 30 by by IN 33941 500 31 rotating rotate VBG 33941 500 32 them -PRON- PRP 33941 500 33 in in IN 33941 500 34 the the DT 33941 500 35 flame flame NN 33941 500 36 till till IN 33941 500 37 they -PRON- PRP 33941 500 38 form form VBP 33941 500 39 a a DT 33941 500 40 mouth mouth NN 33941 500 41 like like IN 33941 500 42 that that DT 33941 500 43 of of IN 33941 500 44 _ _ NNP 33941 500 45 D D NNP 33941 500 46 _ _ NNP 33941 500 47 . . . 33941 501 1 Instead instead RB 33941 501 2 of of IN 33941 501 3 leaving leave VBG 33941 501 4 the the DT 33941 501 5 bulb bulb NN 33941 501 6 to to TO 33941 501 7 be be VB 33941 501 8 broken break VBN 33941 501 9 at at IN 33941 501 10 the the DT 33941 501 11 third third JJ 33941 501 12 stage stage NN 33941 501 13 _ _ NNP 33941 501 14 C C NNP 33941 501 15 _ _ NNP 33941 501 16 , , , 33941 501 17 it -PRON- PRP 33941 501 18 is be VBZ 33941 501 19 a a DT 33941 501 20 good good JJ 33941 501 21 plan plan NN 33941 501 22 to to TO 33941 501 23 blow blow VB 33941 501 24 more more RBR 33941 501 25 strongly strongly RB 33941 501 26 , , , 33941 501 27 so so IN 33941 501 28 that that IN 33941 501 29 the the DT 33941 501 30 bulb bulb NN 33941 501 31 becomes become VBZ 33941 501 32 very very RB 33941 501 33 thin thin JJ 33941 501 34 and and CC 33941 501 35 bursts burst NNS 33941 501 36 , , , 33941 501 37 the the DT 33941 501 38 removal removal NN 33941 501 39 of of IN 33941 501 40 the the DT 33941 501 41 thin thin JJ 33941 501 42 glass glass NN 33941 501 43 is be VBZ 33941 501 44 then then RB 33941 501 45 accompanied accompany VBN 33941 501 46 by by IN 33941 501 47 less less JJR 33941 501 48 risk risk NN 33941 501 49 of of IN 33941 501 50 producing produce VBG 33941 501 51 a a DT 33941 501 52 crack crack NN 33941 501 53 in in IN 33941 501 54 the the DT 33941 501 55 thicker thick JJR 33941 501 56 parts part NNS 33941 501 57 of of IN 33941 501 58 the the DT 33941 501 59 glass glass NN 33941 501 60 . . . 33941 502 1 Openings opening NNS 33941 502 2 may may MD 33941 502 3 be be VB 33941 502 4 made make VBN 33941 502 5 in in IN 33941 502 6 a a DT 33941 502 7 similar similar JJ 33941 502 8 manner manner NN 33941 502 9 in in IN 33941 502 10 the the DT 33941 502 11 sides side NNS 33941 502 12 of of IN 33941 502 13 tubes tube NNS 33941 502 14 or or CC 33941 502 15 in in IN 33941 502 16 globes globe NNS 33941 502 17 , , , 33941 502 18 in in IN 33941 502 19 fact fact NN 33941 502 20 , , , 33941 502 21 in in IN 33941 502 22 almost almost RB 33941 502 23 any any DT 33941 502 24 position position NN 33941 502 25 on on IN 33941 502 26 glass glass NN 33941 502 27 apparatus apparatus NN 33941 502 28 . . . 33941 503 1 If if IN 33941 503 2 another another DT 33941 503 3 tube tube NN 33941 503 4 is be VBZ 33941 503 5 to to TO 33941 503 6 be be VB 33941 503 7 attached attach VBN 33941 503 8 at at IN 33941 503 9 the the DT 33941 503 10 opening opening NN 33941 503 11 , , , 33941 503 12 it -PRON- PRP 33941 503 13 is be VBZ 33941 503 14 a a DT 33941 503 15 good good JJ 33941 503 16 plan plan NN 33941 503 17 to to TO 33941 503 18 proceed proceed VB 33941 503 19 to to IN 33941 503 20 this this DT 33941 503 21 operation operation NN 33941 503 22 before before IN 33941 503 23 the the DT 33941 503 24 tube tube NN 33941 503 25 has have VBZ 33941 503 26 cooled cool VBN 33941 503 27 down down RP 33941 503 28 . . . 33941 504 1 [ [ -LRB- 33941 504 2 Illustration illustration NN 33941 504 3 : : : 33941 504 4 FIG FIG NNP 33941 504 5 . . . 33941 505 1 13 13 CD 33941 505 2 . . . 33941 505 3 ] ] -RRB- 33941 506 1 The the DT 33941 506 2 openings opening NNS 33941 506 3 obtained obtain VBN 33941 506 4 by by IN 33941 506 5 the the DT 33941 506 6 method method NN 33941 506 7 above above IN 33941 506 8 described describe VBN 33941 506 9 are be VBP 33941 506 10 too too RB 33941 506 11 large large JJ 33941 506 12 when when WRB 33941 506 13 platinum platinum NN 33941 506 14 wires wire NNS 33941 506 15 are be VBP 33941 506 16 to to TO 33941 506 17 be be VB 33941 506 18 sealed seal VBN 33941 506 19 into into IN 33941 506 20 them -PRON- PRP 33941 506 21 . . . 33941 507 1 Suppose suppose VB 33941 507 2 that that IN 33941 507 3 it -PRON- PRP 33941 507 4 is be VBZ 33941 507 5 necessary necessary JJ 33941 507 6 to to TO 33941 507 7 pierce pierce VB 33941 507 8 the the DT 33941 507 9 tube tube NN 33941 507 10 _ _ NNP 33941 507 11 A A NNP 33941 507 12 _ _ NNP 33941 507 13 of of IN 33941 507 14 Fig Fig NNP 33941 507 15 . . . 33941 508 1 13 13 CD 33941 508 2 in in IN 33941 508 3 order order NN 33941 508 4 to to TO 33941 508 5 insert insert VB 33941 508 6 a a DT 33941 508 7 platinum platinum NN 33941 508 8 wire wire NN 33941 508 9 at at IN 33941 508 10 _ _ NNP 33941 508 11 a a DT 33941 508 12 _ _ NNP 33941 508 13 ; ; : 33941 508 14 direct direct VB 33941 508 15 the the DT 33941 508 16 smallest small JJS 33941 508 17 pointed pointed JJ 33941 508 18 flame flame NN 33941 508 19 that that WDT 33941 508 20 will will MD 33941 508 21 heat heat VB 33941 508 22 a a DT 33941 508 23 spot spot NN 33941 508 24 of of IN 33941 508 25 glass glass NN 33941 508 26 to to TO 33941 508 27 redness redness NN 33941 508 28 on on IN 33941 508 29 the the DT 33941 508 30 point point NN 33941 508 31 _ _ NNP 33941 508 32 a a DT 33941 508 33 _ _ NNP 33941 508 34 . . . 33941 509 1 When when WRB 33941 509 2 the the DT 33941 509 3 glass glass NN 33941 509 4 is be VBZ 33941 509 5 viscous viscous JJ 33941 509 6 , , , 33941 509 7 touch touch VB 33941 509 8 it -PRON- PRP 33941 509 9 with with IN 33941 509 10 the the DT 33941 509 11 end end NN 33941 509 12 of of IN 33941 509 13 a a DT 33941 509 14 platinum platinum NN 33941 509 15 wire wire NN 33941 509 16 _ _ NNP 33941 509 17 w w NNP 33941 509 18 _ _ NNP 33941 509 19 , , , 33941 509 20 to to TO 33941 509 21 which which WDT 33941 509 22 the the DT 33941 509 23 glass glass NN 33941 509 24 will will MD 33941 509 25 adhere adhere VB 33941 509 26 ; ; : 33941 509 27 withdraw withdraw VB 33941 509 28 the the DT 33941 509 29 wire wire NN 33941 509 30 and and CC 33941 509 31 the the DT 33941 509 32 viscous viscous JJ 33941 509 33 glass glass NN 33941 509 34 will will MD 33941 509 35 be be VB 33941 509 36 drawn draw VBN 33941 509 37 out out RP 33941 509 38 into into IN 33941 509 39 a a DT 33941 509 40 small small JJ 33941 509 41 tube tube NN 33941 509 42 , , , 33941 509 43 as as IN 33941 509 44 shown show VBN 33941 509 45 at at IN 33941 509 46 _ _ NNP 33941 509 47 B B NNP 33941 509 48 _ _ NNP 33941 509 49 ; ; : 33941 509 50 by by IN 33941 509 51 breaking break VBG 33941 509 52 the the DT 33941 509 53 end end NN 33941 509 54 of of IN 33941 509 55 this this DT 33941 509 56 tube tube NN 33941 509 57 a a DT 33941 509 58 small small JJ 33941 509 59 opening opening NN 33941 509 60 will will MD 33941 509 61 be be VB 33941 509 62 made make VBN 33941 509 63 . . . 33941 510 1 Introduce introduce VB 33941 510 2 a a DT 33941 510 3 platinum platinum NN 33941 510 4 wire wire NN 33941 510 5 into into IN 33941 510 6 the the DT 33941 510 7 opening opening NN 33941 510 8 , , , 33941 510 9 and and CC 33941 510 10 again again RB 33941 510 11 allow allow VB 33941 510 12 the the DT 33941 510 13 flame flame NN 33941 510 14 to to TO 33941 510 15 play play VB 33941 510 16 on on IN 33941 510 17 the the DT 33941 510 18 glass glass NN 33941 510 19 at at IN 33941 510 20 that that DT 33941 510 21 point point NN 33941 510 22 ; ; : 33941 510 23 it -PRON- PRP 33941 510 24 will will MD 33941 510 25 melt melt VB 33941 510 26 and and CC 33941 510 27 close close VB 33941 510 28 round round IN 33941 510 29 the the DT 33941 510 30 wire wire NN 33941 510 31 . . . 33941 511 1 Before before IN 33941 511 2 the the DT 33941 511 3 hot hot JJ 33941 511 4 glass glass NN 33941 511 5 has have VBZ 33941 511 6 time time NN 33941 511 7 to to TO 33941 511 8 cool cool VB 33941 511 9 , , , 33941 511 10 blow blow VBP 33941 511 11 gently gently RB 33941 511 12 into into IN 33941 511 13 the the DT 33941 511 14 mouth mouth NN 33941 511 15 of of IN 33941 511 16 the the DT 33941 511 17 tube tube NN 33941 511 18 to to TO 33941 511 19 produce produce VB 33941 511 20 a a DT 33941 511 21 slightly slightly RB 33941 511 22 curved curve VBN 33941 511 23 surface surface NN 33941 511 24 , , , 33941 511 25 then then RB 33941 511 26 heat heat VB 33941 511 27 the the DT 33941 511 28 neighbouring neighbour VBG 33941 511 29 parts part NNS 33941 511 30 of of IN 33941 511 31 the the DT 33941 511 32 tube tube NN 33941 511 33 till till IN 33941 511 34 the the DT 33941 511 35 glass glass NN 33941 511 36 is be VBZ 33941 511 37 about about JJ 33941 511 38 to to TO 33941 511 39 soften soften VB 33941 511 40 , , , 33941 511 41 and and CC 33941 511 42 let let VB 33941 511 43 it -PRON- PRP 33941 511 44 cool cool VB 33941 511 45 in in IN 33941 511 46 cotton cotton NN 33941 511 47 wool wool NN 33941 511 48 . . . 33941 512 1 Unless unless IN 33941 512 2 this this DT 33941 512 3 is be VBZ 33941 512 4 done do VBN 33941 512 5 , , , 33941 512 6 I -PRON- PRP 33941 512 7 find find VBP 33941 512 8 that that IN 33941 512 9 glass glass NN 33941 512 10 tubes tube NNS 33941 512 11 into into IN 33941 512 12 which which WDT 33941 512 13 platinum platinum NN 33941 512 14 wires wire NNS 33941 512 15 have have VBP 33941 512 16 been be VBN 33941 512 17 sealed seal VBN 33941 512 18 are be VBP 33941 512 19 very very RB 33941 512 20 apt apt JJ 33941 512 21 to to TO 33941 512 22 break break VB 33941 512 23 during during IN 33941 512 24 or or CC 33941 512 25 after after IN 33941 512 26 cooling cool VBG 33941 512 27 . . . 33941 513 1 To to TO 33941 513 2 ensure ensure VB 33941 513 3 that that IN 33941 513 4 the the DT 33941 513 5 tube tube NN 33941 513 6 shall shall MD 33941 513 7 be be VB 33941 513 8 perfectly perfectly RB 33941 513 9 air air NN 33941 513 10 - - HYPH 33941 513 11 tight tight JJ 33941 513 12 , , , 33941 513 13 a a DT 33941 513 14 small small JJ 33941 513 15 piece piece NN 33941 513 16 of of IN 33941 513 17 white white JJ 33941 513 18 enamel enamel NNP 33941 513 19 should should MD 33941 513 20 be be VB 33941 513 21 attached attach VBN 33941 513 22 to to IN 33941 513 23 the the DT 33941 513 24 glass glass NN 33941 513 25 at at IN 33941 513 26 _ _ NNP 33941 513 27 a a DT 33941 513 28 _ _ NNP 33941 513 29 before before IN 33941 513 30 sealing seal VBG 33941 513 31 in in IN 33941 513 32 the the DT 33941 513 33 wire wire NN 33941 513 34 . . . 33941 514 1 = = NFP 33941 514 2 Uniting unite VBG 33941 514 3 Pieces Pieces NNPS 33941 514 4 of of IN 33941 514 5 Glass Glass NNP 33941 514 6 to to IN 33941 514 7 Each each DT 33941 514 8 Other other JJ 33941 514 9 , , , 33941 514 10 known know VBN 33941 514 11 as as IN 33941 514 12 Welding welding NN 33941 514 13 , , , 33941 514 14 or or CC 33941 514 15 Soldering.=--The soldering.=--the NN 33941 514 16 larger large JJR 33941 514 17 and and CC 33941 514 18 more more RBR 33941 514 19 complicated complicated JJ 33941 514 20 pieces piece NNS 33941 514 21 of of IN 33941 514 22 glass glass NN 33941 514 23 apparatus apparatus NN 33941 514 24 are be VBP 33941 514 25 usually usually RB 33941 514 26 made make VBN 33941 514 27 in in IN 33941 514 28 separate separate JJ 33941 514 29 sections section NNS 33941 514 30 , , , 33941 514 31 and and CC 33941 514 32 completed complete VBN 33941 514 33 by by IN 33941 514 34 joining join VBG 33941 514 35 together together RB 33941 514 36 the the DT 33941 514 37 several several JJ 33941 514 38 parts part NNS 33941 514 39 . . . 33941 515 1 This this DT 33941 515 2 is be VBZ 33941 515 3 therefore therefore RB 33941 515 4 a a DT 33941 515 5 very very RB 33941 515 6 important important JJ 33941 515 7 operation operation NN 33941 515 8 , , , 33941 515 9 and and CC 33941 515 10 should should MD 33941 515 11 be be VB 33941 515 12 thoroughly thoroughly RB 33941 515 13 mastered master VBN 33941 515 14 before before IN 33941 515 15 proceeding proceed VBG 33941 515 16 to to IN 33941 515 17 further further JJ 33941 515 18 work work NN 33941 515 19 . . . 33941 516 1 In in IN 33941 516 2 order order NN 33941 516 3 to to TO 33941 516 4 produce produce VB 33941 516 5 secure secure JJ 33941 516 6 joints joint NNS 33941 516 7 , , , 33941 516 8 the the DT 33941 516 9 use use NN 33941 516 10 of of IN 33941 516 11 tubes tube NNS 33941 516 12 made make VBN 33941 516 13 of of IN 33941 516 14 different different JJ 33941 516 15 kinds kind NNS 33941 516 16 of of IN 33941 516 17 glass glass NN 33941 516 18 must must MD 33941 516 19 be be VB 33941 516 20 avoided avoid VBN 33941 516 21 . . . 33941 517 1 Soda soda NN 33941 517 2 glass glass NN 33941 517 3 may may MD 33941 517 4 be be VB 33941 517 5 joined join VBN 33941 517 6 securely securely RB 33941 517 7 to to TO 33941 517 8 soda soda VB 33941 517 9 glass glass NN 33941 517 10 , , , 33941 517 11 especially especially RB 33941 517 12 if if IN 33941 517 13 the the DT 33941 517 14 tubes tube NNS 33941 517 15 belong belong VBP 33941 517 16 to to IN 33941 517 17 the the DT 33941 517 18 same same JJ 33941 517 19 batch batch NN 33941 517 20 , , , 33941 517 21 and and CC 33941 517 22 lead lead JJ 33941 517 23 glass glass NN 33941 517 24 to to TO 33941 517 25 lead lead VB 33941 517 26 glass glass NN 33941 517 27 . . . 33941 518 1 But but CC 33941 518 2 , , , 33941 518 3 though though RB 33941 518 4 by by IN 33941 518 5 special special JJ 33941 518 6 care care NN 33941 518 7 a a DT 33941 518 8 joint joint NN 33941 518 9 between between IN 33941 518 10 lead lead JJ 33941 518 11 glass glass NN 33941 518 12 and and CC 33941 518 13 soda soda NN 33941 518 14 glass glass NN 33941 518 15 , , , 33941 518 16 if if IN 33941 518 17 well well RB 33941 518 18 made make VBN 33941 518 19 , , , 33941 518 20 will will MD 33941 518 21 often often RB 33941 518 22 hold hold VB 33941 518 23 together together RB 33941 518 24 , , , 33941 518 25 yet yet CC 33941 518 26 it -PRON- PRP 33941 518 27 is be VBZ 33941 518 28 never never RB 33941 518 29 certain certain JJ 33941 518 30 that that IN 33941 518 31 it -PRON- PRP 33941 518 32 will will MD 33941 518 33 do do VB 33941 518 34 so so RB 33941 518 35 . . . 33941 519 1 _ _ NNP 33941 519 2 To to TO 33941 519 3 join join VB 33941 519 4 two two CD 33941 519 5 Tubes tube NNS 33941 519 6 of of IN 33941 519 7 Equal Equal NNP 33941 519 8 Diameters._--Close diameters._--close DT 33941 519 9 one one CD 33941 519 10 end end NN 33941 519 11 of of IN 33941 519 12 one one CD 33941 519 13 of of IN 33941 519 14 the the DT 33941 519 15 tubes tube NNS 33941 519 16 with with IN 33941 519 17 a a DT 33941 519 18 small small JJ 33941 519 19 cork cork NN 33941 519 20 . . . 33941 520 1 Heat heat VB 33941 520 2 the the DT 33941 520 3 open open JJ 33941 520 4 end end NN 33941 520 5 of of IN 33941 520 6 the the DT 33941 520 7 closed closed JJ 33941 520 8 tube tube NN 33941 520 9 , , , 33941 520 10 and and CC 33941 520 11 either either DT 33941 520 12 end end NN 33941 520 13 of of IN 33941 520 14 the the DT 33941 520 15 other other JJ 33941 520 16 tube tube NN 33941 520 17 in in IN 33941 520 18 a a DT 33941 520 19 small small JJ 33941 520 20 flame flame NN 33941 520 21 until until IN 33941 520 22 they -PRON- PRP 33941 520 23 are be VBP 33941 520 24 almost almost RB 33941 520 25 melted melted JJ 33941 520 26 , , , 33941 520 27 taking take VBG 33941 520 28 care care NN 33941 520 29 that that IN 33941 520 30 only only RB 33941 520 31 the the DT 33941 520 32 ends end NNS 33941 520 33 of of IN 33941 520 34 the the DT 33941 520 35 tubes tube NNS 33941 520 36 are be VBP 33941 520 37 heated heat VBN 33941 520 38 , , , 33941 520 39 and and CC 33941 520 40 not not RB 33941 520 41 to to TO 33941 520 42 let let VB 33941 520 43 the the DT 33941 520 44 glass glass NN 33941 520 45 be be VB 33941 520 46 thickened thicken VBN 33941 520 47 ; ; : 33941 520 48 bring bring VB 33941 520 49 the the DT 33941 520 50 two two CD 33941 520 51 ends end NNS 33941 520 52 together together RB 33941 520 53 with with IN 33941 520 54 sufficient sufficient JJ 33941 520 55 pressure pressure NN 33941 520 56 to to TO 33941 520 57 make make VB 33941 520 58 them -PRON- PRP 33941 520 59 adhere adhere RB 33941 520 60 , , , 33941 520 61 but but CC 33941 520 62 not not RB 33941 520 63 sufficient sufficient JJ 33941 520 64 to to TO 33941 520 65 compress compress VB 33941 520 66 the the DT 33941 520 67 glass glass NN 33941 520 68 to to IN 33941 520 69 a a DT 33941 520 70 thickened thicken VBN 33941 520 71 ring ring NN 33941 520 72 . . . 33941 521 1 Before before IN 33941 521 2 the the DT 33941 521 3 joint joint NN 33941 521 4 has have VBZ 33941 521 5 time time NN 33941 521 6 to to TO 33941 521 7 cool cool VB 33941 521 8 too too RB 33941 521 9 much much RB 33941 521 10 , , , 33941 521 11 adjust adjust VB 33941 521 12 your -PRON- PRP$ 33941 521 13 blow blow NN 33941 521 14 - - HYPH 33941 521 15 pipe pipe NN 33941 521 16 for for IN 33941 521 17 a a DT 33941 521 18 pointed pointed JJ 33941 521 19 flame flame NN 33941 521 20 , , , 33941 521 21 if if IN 33941 521 22 you -PRON- PRP 33941 521 23 are be VBP 33941 521 24 not not RB 33941 521 25 already already RB 33941 521 26 working work VBG 33941 521 27 with with IN 33941 521 28 that that DT 33941 521 29 kind kind NN 33941 521 30 of of IN 33941 521 31 flame flame NN 33941 521 32 , , , 33941 521 33 and and CC 33941 521 34 allow allow VB 33941 521 35 the the DT 33941 521 36 point point NN 33941 521 37 of of IN 33941 521 38 the the DT 33941 521 39 flame flame NN 33941 521 40 to to TO 33941 521 41 play play VB 33941 521 42 on on IN 33941 521 43 any any DT 33941 521 44 spot spot NN 33941 521 45 on on IN 33941 521 46 the the DT 33941 521 47 joint joint NN 33941 521 48 till till IN 33941 521 49 it -PRON- PRP 33941 521 50 is be VBZ 33941 521 51 heated heat VBN 33941 521 52 to to IN 33941 521 53 redness redness NN 33941 521 54 ; ; : 33941 521 55 rotate rotate VB 33941 521 56 the the DT 33941 521 57 tube tube NN 33941 521 58 a a DT 33941 521 59 little little JJ 33941 521 60 so so IN 33941 521 61 as as IN 33941 521 62 to to TO 33941 521 63 heat heat VB 33941 521 64 the the DT 33941 521 65 glass glass NN 33941 521 66 adjacent adjacent JJ 33941 521 67 to to IN 33941 521 68 that that DT 33941 521 69 which which WDT 33941 521 70 is be VBZ 33941 521 71 already already RB 33941 521 72 red red JJ 33941 521 73 - - HYPH 33941 521 74 hot hot JJ 33941 521 75 , , , 33941 521 76 and and CC 33941 521 77 repeat repeat VB 33941 521 78 this this DT 33941 521 79 till till IN 33941 521 80 the the DT 33941 521 81 whole whole JJ 33941 521 82 circumference circumference NN 33941 521 83 of of IN 33941 521 84 the the DT 33941 521 85 rough rough JJ 33941 521 86 joint joint NN 33941 521 87 has have VBZ 33941 521 88 been be VBN 33941 521 89 heated heat VBN 33941 521 90 . . . 33941 522 1 [ [ -LRB- 33941 522 2 7 7 CD 33941 522 3 ] ] -RRB- 33941 522 4 Repeat repeat VB 33941 522 5 the the DT 33941 522 6 operation operation NN 33941 522 7 last last RB 33941 522 8 described describe VBN 33941 522 9 , , , 33941 522 10 but but CC 33941 522 11 , , , 33941 522 12 when when WRB 33941 522 13 each each DT 33941 522 14 spot spot NN 33941 522 15 is be VBZ 33941 522 16 red red JJ 33941 522 17 - - HYPH 33941 522 18 hot hot JJ 33941 522 19 , , , 33941 522 20 blow blow VBP 33941 522 21 gently gently RB 33941 522 22 into into IN 33941 522 23 the the DT 33941 522 24 open open JJ 33941 522 25 end end NN 33941 522 26 of of IN 33941 522 27 the the DT 33941 522 28 tube tube NN 33941 522 29 so so IN 33941 522 30 as as IN 33941 522 31 to to TO 33941 522 32 slightly slightly RB 33941 522 33 expand expand VB 33941 522 34 the the DT 33941 522 35 viscous viscous JJ 33941 522 36 glass glass NN 33941 522 37 . . . 33941 523 1 Finally finally RB 33941 523 2 , , , 33941 523 3 rotate rotate VB 33941 523 4 the the DT 33941 523 5 whole whole JJ 33941 523 6 joint joint NN 33941 523 7 in in IN 33941 523 8 the the DT 33941 523 9 flame flame NN 33941 523 10 till till IN 33941 523 11 the the DT 33941 523 12 glass glass NN 33941 523 13 is be VBZ 33941 523 14 softened soften VBN 33941 523 15 , , , 33941 523 16 and and CC 33941 523 17 blow blow VB 33941 523 18 gently gently RB 33941 523 19 as as IN 33941 523 20 before before RB 33941 523 21 into into IN 33941 523 22 the the DT 33941 523 23 open open JJ 33941 523 24 end end NN 33941 523 25 of of IN 33941 523 26 the the DT 33941 523 27 tube tube NN 33941 523 28 , , , 33941 523 29 still still RB 33941 523 30 rotating rotate VBG 33941 523 31 it -PRON- PRP 33941 523 32 , , , 33941 523 33 in in IN 33941 523 34 order order NN 33941 523 35 that that IN 33941 523 36 the the DT 33941 523 37 joint joint NN 33941 523 38 may may MD 33941 523 39 be be VB 33941 523 40 as as RB 33941 523 41 symmetrical symmetrical JJ 33941 523 42 as as IN 33941 523 43 possible possible JJ 33941 523 44 . . . 33941 524 1 If if IN 33941 524 2 in in IN 33941 524 3 the the DT 33941 524 4 last last JJ 33941 524 5 operation operation NN 33941 524 6 the the DT 33941 524 7 diameter diameter NN 33941 524 8 of of IN 33941 524 9 the the DT 33941 524 10 joint joint NN 33941 524 11 becomes become VBZ 33941 524 12 greater great JJR 33941 524 13 than than IN 33941 524 14 that that DT 33941 524 15 of of IN 33941 524 16 the the DT 33941 524 17 rest rest NN 33941 524 18 of of IN 33941 524 19 the the DT 33941 524 20 tube tube NN 33941 524 21 , , , 33941 524 22 it -PRON- PRP 33941 524 23 may may MD 33941 524 24 be be VB 33941 524 25 cautiously cautiously RB 33941 524 26 re re VBN 33941 524 27 - - JJ 33941 524 28 heated heated JJ 33941 524 29 and and CC 33941 524 30 reduced reduce VBN 33941 524 31 by by IN 33941 524 32 pulling pull VBG 33941 524 33 it -PRON- PRP 33941 524 34 out out RP 33941 524 35 , , , 33941 524 36 or or CC 33941 524 37 this this DT 33941 524 38 may may MD 33941 524 39 be be VB 33941 524 40 secured secure VBN 33941 524 41 by by IN 33941 524 42 gently gently RB 33941 524 43 pulling pull VBG 33941 524 44 apart apart RB 33941 524 45 the the DT 33941 524 46 two two CD 33941 524 47 ends end NNS 33941 524 48 , , , 33941 524 49 whilst whilst IN 33941 524 50 the the DT 33941 524 51 operator operator NN 33941 524 52 blows blow VBZ 33941 524 53 it -PRON- PRP 33941 524 54 into into IN 33941 524 55 its -PRON- PRP$ 33941 524 56 final final JJ 33941 524 57 shape shape NN 33941 524 58 . . . 33941 525 1 [ [ -LRB- 33941 525 2 7 7 LS 33941 525 3 ] ] -RRB- 33941 525 4 Some some DT 33941 525 5 glass glass NN 33941 525 6 - - HYPH 33941 525 7 blowers blower NNS 33941 525 8 at at IN 33941 525 9 once once RB 33941 525 10 work work NN 33941 525 11 on on IN 33941 525 12 the the DT 33941 525 13 glass glass NN 33941 525 14 as as IN 33941 525 15 next next JJ 33941 525 16 described describe VBN 33941 525 17 , , , 33941 525 18 without without IN 33941 525 19 this this DT 33941 525 20 preliminary preliminary JJ 33941 525 21 treatment treatment NN 33941 525 22 . . . 33941 526 1 I -PRON- PRP 33941 526 2 find find VBP 33941 526 3 that that IN 33941 526 4 some some DT 33941 526 5 glass glass NN 33941 526 6 , , , 33941 526 7 usually usually RB 33941 526 8 soda soda NN 33941 526 9 glass glass NN 33941 526 10 , , , 33941 526 11 will will MD 33941 526 12 not not RB 33941 526 13 always always RB 33941 526 14 bear bear VB 33941 526 15 the the DT 33941 526 16 necessary necessary JJ 33941 526 17 movements movement NNS 33941 526 18 without without IN 33941 526 19 breaking break VBG 33941 526 20 unless unless IN 33941 526 21 first first RB 33941 526 22 heated heat VBN 33941 526 23 all all DT 33941 526 24 round round NN 33941 526 25 . . . 33941 527 1 [ [ -LRB- 33941 527 2 Illustration illustration NN 33941 527 3 : : : 33941 527 4 FIG FIG NNP 33941 527 5 . . . 33941 528 1 14 14 CD 33941 528 2 . . . 33941 528 3 ] ] -RRB- 33941 529 1 When when WRB 33941 529 2 small small JJ 33941 529 3 tubes tube NNS 33941 529 4 , , , 33941 529 5 or or CC 33941 529 6 tubes tube NNS 33941 529 7 of of IN 33941 529 8 fine fine JJ 33941 529 9 bore bore NN 33941 529 10 , , , 33941 529 11 are be VBP 33941 529 12 to to TO 33941 529 13 be be VB 33941 529 14 joined join VBN 33941 529 15 , , , 33941 529 16 in in IN 33941 529 17 order order NN 33941 529 18 to to TO 33941 529 19 prevent prevent VB 33941 529 20 the the DT 33941 529 21 fused fuse VBN 33941 529 22 glass glass NN 33941 529 23 from from IN 33941 529 24 running run VBG 33941 529 25 together together RB 33941 529 26 and and CC 33941 529 27 closing close VBG 33941 529 28 the the DT 33941 529 29 tube tube NN 33941 529 30 , , , 33941 529 31 it -PRON- PRP 33941 529 32 is be VBZ 33941 529 33 a a DT 33941 529 34 good good JJ 33941 529 35 plan plan NN 33941 529 36 to to TO 33941 529 37 border border VB 33941 529 38 and and CC 33941 529 39 enlarge enlarge VB 33941 529 40 the the DT 33941 529 41 ends end NNS 33941 529 42 that that WDT 33941 529 43 are be VBP 33941 529 44 to to TO 33941 529 45 be be VB 33941 529 46 united united JJ 33941 529 47 , , , 33941 529 48 as as IN 33941 529 49 at at IN 33941 529 50 _ _ NNP 33941 529 51 A A NNP 33941 529 52 _ _ NNP 33941 529 53 ( ( -LRB- 33941 529 54 Fig fig NN 33941 529 55 . . . 33941 530 1 14 14 CD 33941 530 2 ) ) -RRB- 33941 530 3 . . . 33941 531 1 Some some DT 33941 531 2 glass glass NN 33941 531 3 - - HYPH 33941 531 4 blowers blower NNS 33941 531 5 prefer prefer VBP 33941 531 6 to to TO 33941 531 7 border border VB 33941 531 8 all all DT 33941 531 9 tubes tube NNS 33941 531 10 before before IN 33941 531 11 uniting unite VBG 33941 531 12 them -PRON- PRP 33941 531 13 . . . 33941 532 1 When when WRB 33941 532 2 a a DT 33941 532 3 narrow narrow JJ 33941 532 4 tube tube NN 33941 532 5 is be VBZ 33941 532 6 to to TO 33941 532 7 be be VB 33941 532 8 joined join VBN 33941 532 9 to to IN 33941 532 10 one one CD 33941 532 11 that that WDT 33941 532 12 is be VBZ 33941 532 13 only only RB 33941 532 14 slightly slightly RB 33941 532 15 wider wide JJR 33941 532 16 , , , 33941 532 17 expand expand VB 33941 532 18 the the DT 33941 532 19 end end NN 33941 532 20 of of IN 33941 532 21 the the DT 33941 532 22 narrow narrow JJ 33941 532 23 tube tube NN 33941 532 24 till till IN 33941 532 25 it -PRON- PRP 33941 532 26 corresponds correspond VBZ 33941 532 27 in in IN 33941 532 28 size size NN 33941 532 29 to to IN 33941 532 30 the the DT 33941 532 31 larger large JJR 33941 532 32 tube tube NN 33941 532 33 . . . 33941 533 1 If if IN 33941 533 2 the the DT 33941 533 3 tube tube NN 33941 533 4 be be VBP 33941 533 5 too too RB 33941 533 6 narrow narrow JJ 33941 533 7 to to TO 33941 533 8 be be VB 33941 533 9 enlarged enlarge VBN 33941 533 10 by by IN 33941 533 11 inserting insert VBG 33941 533 12 a a DT 33941 533 13 charcoal charcoal NN 33941 533 14 cone cone NN 33941 533 15 , , , 33941 533 16 seal seal VB 33941 533 17 one one CD 33941 533 18 end end NN 33941 533 19 and and CC 33941 533 20 pierce pierce VB 33941 533 21 it -PRON- PRP 33941 533 22 as as IN 33941 533 23 directed direct VBN 33941 533 24 ( ( -LRB- 33941 533 25 on on IN 33941 533 26 p. p. NN 33941 533 27 37 37 CD 33941 533 28 ) ) -RRB- 33941 533 29 . . . 33941 534 1 For for IN 33941 534 2 joining join VBG 33941 534 3 small small JJ 33941 534 4 thin thin JJ 33941 534 5 - - HYPH 33941 534 6 walled walled JJ 33941 534 7 tubes tube NNS 33941 534 8 Mr. Mr. NNP 33941 534 9 Crookes Crookes NNP 33941 534 10 recommends recommend VBZ 33941 534 11 the the DT 33941 534 12 use use NN 33941 534 13 of of IN 33941 534 14 a a DT 33941 534 15 small small JJ 33941 534 16 Bunsen Bunsen NNP 33941 534 17 flame flame NN 33941 534 18 . . . 33941 535 1 In in IN 33941 535 2 welding weld VBG 33941 535 3 pieces piece NNS 33941 535 4 of of IN 33941 535 5 lead lead JJ 33941 535 6 glass glass NN 33941 535 7 tube tube NN 33941 535 8 , , , 33941 535 9 take take VB 33941 535 10 care care NN 33941 535 11 that that IN 33941 535 12 the the DT 33941 535 13 heated heated JJ 33941 535 14 glass glass NN 33941 535 15 is be VBZ 33941 535 16 perfectly perfectly RB 33941 535 17 free free JJ 33941 535 18 from from IN 33941 535 19 reduced reduced JJ 33941 535 20 lead lead NN 33941 535 21 at at IN 33941 535 22 the the DT 33941 535 23 moment moment NN 33941 535 24 when when WRB 33941 535 25 the the DT 33941 535 26 two two CD 33941 535 27 ends end NNS 33941 535 28 of of IN 33941 535 29 viscous viscous JJ 33941 535 30 glass glass NN 33941 535 31 are be VBP 33941 535 32 brought bring VBN 33941 535 33 into into IN 33941 535 34 contact contact NN 33941 535 35 . . . 33941 536 1 [ [ -LRB- 33941 536 2 Illustration illustration NN 33941 536 3 : : : 33941 536 4 FIG FIG NNP 33941 536 5 . . . 33941 537 1 15 15 CD 33941 537 2 . . . 33941 537 3 ] ] -RRB- 33941 538 1 _ _ NNP 33941 538 2 To to TO 33941 538 3 join join VB 33941 538 4 Tubes tube NNS 33941 538 5 of of IN 33941 538 6 Unequal unequal JJ 33941 538 7 Sizes size NNS 33941 538 8 End End NNP 33941 538 9 to to IN 33941 538 10 End end NN 33941 538 11 _ _ NNP 33941 538 12 ( ( -LRB- 33941 538 13 Fig fig NN 33941 538 14 . . . 33941 539 1 15).--Draw 15).--draw VB 33941 539 2 out out RP 33941 539 3 the the DT 33941 539 4 larger large JJR 33941 539 5 tube tube NN 33941 539 6 and and CC 33941 539 7 cut cut VBD 33941 539 8 off off RP 33941 539 9 the the DT 33941 539 10 drawn draw VBN 33941 539 11 - - HYPH 33941 539 12 out out RP 33941 539 13 end end NN 33941 539 14 at at IN 33941 539 15 the the DT 33941 539 16 part part NN 33941 539 17 where where WRB 33941 539 18 its -PRON- PRP$ 33941 539 19 diameter diameter NN 33941 539 20 is be VBZ 33941 539 21 equal equal JJ 33941 539 22 to to IN 33941 539 23 that that DT 33941 539 24 of of IN 33941 539 25 the the DT 33941 539 26 smaller small JJR 33941 539 27 tube tube NN 33941 539 28 , , , 33941 539 29 then then RB 33941 539 30 seal seal VB 33941 539 31 the the DT 33941 539 32 smaller small JJR 33941 539 33 tube tube NN 33941 539 34 to to IN 33941 539 35 the the DT 33941 539 36 contracted contract VBN 33941 539 37 end end NN 33941 539 38 of of IN 33941 539 39 the the DT 33941 539 40 larger large JJR 33941 539 41 according accord VBG 33941 539 42 to to IN 33941 539 43 the the DT 33941 539 44 directions direction NNS 33941 539 45 given give VBN 33941 539 46 for for IN 33941 539 47 joining join VBG 33941 539 48 tubes tube NNS 33941 539 49 of of IN 33941 539 50 equal equal JJ 33941 539 51 size size NN 33941 539 52 . . . 33941 540 1 When when WRB 33941 540 2 a a DT 33941 540 3 good good JJ 33941 540 4 joint joint NN 33941 540 5 has have VBZ 33941 540 6 been be VBN 33941 540 7 made make VBN 33941 540 8 , , , 33941 540 9 the the DT 33941 540 10 tube tube NN 33941 540 11 presents present VBZ 33941 540 12 the the DT 33941 540 13 appearance appearance NN 33941 540 14 of of IN 33941 540 15 _ _ NNP 33941 540 16 A A NNP 33941 540 17 _ _ NNP 33941 540 18 , , , 33941 540 19 Fig Fig NNP 33941 540 20 . . . 33941 541 1 15 15 CD 33941 541 2 , , , 33941 541 3 the the DT 33941 541 4 union union NN 33941 541 5 being be VBG 33941 541 6 at at IN 33941 541 7 about about IN 33941 541 8 _ _ NNP 33941 541 9 bb bb NNP 33941 541 10 _ _ NNP 33941 541 11 . . . 33941 542 1 Next next JJ 33941 542 2 heat heat NN 33941 542 3 the the DT 33941 542 4 whole whole JJ 33941 542 5 tube tube NN 33941 542 6 between between IN 33941 542 7 the the DT 33941 542 8 dotted dotted JJ 33941 542 9 lines line NNS 33941 542 10 _ _ NNP 33941 542 11 aa aa NNP 33941 542 12 _ _ NNP 33941 542 13 , , , 33941 542 14 and and CC 33941 542 15 blow blow VB 33941 542 16 it -PRON- PRP 33941 542 17 into into IN 33941 542 18 the the DT 33941 542 19 shape shape NN 33941 542 20 of of IN 33941 542 21 _ _ NNP 33941 542 22 B B NNP 33941 542 23 _ _ NNP 33941 542 24 in in IN 33941 542 25 which which WDT 33941 542 26 the the DT 33941 542 27 dotted dotted JJ 33941 542 28 line line NN 33941 542 29 _ _ NNP 33941 542 30 dd dd NNP 33941 542 31 _ _ NNP 33941 542 32 should should MD 33941 542 33 correspond correspond VB 33941 542 34 to to IN 33941 542 35 the the DT 33941 542 36 actual actual JJ 33941 542 37 line line NN 33941 542 38 of of IN 33941 542 39 junction junction NN 33941 542 40 of of IN 33941 542 41 the the DT 33941 542 42 two two CD 33941 542 43 tubes tube NNS 33941 542 44 . . . 33941 543 1 In in IN 33941 543 2 making make VBG 33941 543 3 all all DT 33941 543 4 joints joint NNS 33941 543 5 it -PRON- PRP 33941 543 6 is be VBZ 33941 543 7 important important JJ 33941 543 8 to to TO 33941 543 9 leave leave VB 33941 543 10 no no DT 33941 543 11 thick thick JJ 33941 543 12 masses masse NNS 33941 543 13 of of IN 33941 543 14 glass glass NN 33941 543 15 about about IN 33941 543 16 them -PRON- PRP 33941 543 17 . . . 33941 544 1 If if IN 33941 544 2 the the DT 33941 544 3 glass glass NN 33941 544 4 be be VBP 33941 544 5 fairly fairly RB 33941 544 6 thin thin JJ 33941 544 7 and and CC 33941 544 8 uniformly uniformly RB 33941 544 9 distributed distribute VBN 33941 544 10 , , , 33941 544 11 it -PRON- PRP 33941 544 12 is be VBZ 33941 544 13 less less RBR 33941 544 14 likely likely JJ 33941 544 15 to to TO 33941 544 16 break break VB 33941 544 17 during during IN 33941 544 18 or or CC 33941 544 19 after after IN 33941 544 20 annealing anneal VBG 33941 544 21 under under IN 33941 544 22 any any DT 33941 544 23 circumstances circumstance NNS 33941 544 24 , , , 33941 544 25 and and CC 33941 544 26 especially especially RB 33941 544 27 if if IN 33941 544 28 it -PRON- PRP 33941 544 29 has have VBZ 33941 544 30 to to TO 33941 544 31 bear bear VB 33941 544 32 alternations alternation NNS 33941 544 33 of of IN 33941 544 34 temperature temperature NN 33941 544 35 . . . 33941 545 1 _ _ NNP 33941 545 2 Joining join VBG 33941 545 3 a a DT 33941 545 4 Tube tube NN 33941 545 5 to to IN 33941 545 6 the the DT 33941 545 7 Side side NN 33941 545 8 of of IN 33941 545 9 another another DT 33941 545 10 Tube Tube NNP 33941 545 11 _ _ NNP 33941 545 12 ( ( -LRB- 33941 545 13 Fig Fig NNP 33941 545 14 . . . 33941 546 1 16).--One 16).--one CD 33941 546 2 of of IN 33941 546 3 the the DT 33941 546 4 tubes tube NNS 33941 546 5 must must MD 33941 546 6 be be VB 33941 546 7 pierced pierce VBN 33941 546 8 as as IN 33941 546 9 at at IN 33941 546 10 _ _ NNP 33941 546 11 A A NNP 33941 546 12 _ _ NNP 33941 546 13 in in IN 33941 546 14 Fig Fig NNP 33941 546 15 . . . 33941 547 1 16 16 CD 33941 547 2 ( ( -LRB- 33941 547 3 for for IN 33941 547 4 the the DT 33941 547 5 method method NN 33941 547 6 , , , 33941 547 7 see see VB 33941 547 8 p. p. NN 33941 547 9 37 37 CD 33941 547 10 ) ) -RRB- 33941 547 11 , , , 33941 547 12 and and CC 33941 547 13 its -PRON- PRP$ 33941 547 14 two two CD 33941 547 15 ends end NNS 33941 547 16 closed close VBN 33941 547 17 with with IN 33941 547 18 small small JJ 33941 547 19 pieces piece NNS 33941 547 20 of of IN 33941 547 21 cork cork NN 33941 547 22 . . . 33941 548 1 The the DT 33941 548 2 edges edge NNS 33941 548 3 of of IN 33941 548 4 the the DT 33941 548 5 opening opening NN 33941 548 6 , , , 33941 548 7 and and CC 33941 548 8 one one CD 33941 548 9 end end NN 33941 548 10 of of IN 33941 548 11 the the DT 33941 548 12 other other JJ 33941 548 13 tube tube NN 33941 548 14 , , , 33941 548 15 must must MD 33941 548 16 then then RB 33941 548 17 be be VB 33941 548 18 heated heat VBN 33941 548 19 till till IN 33941 548 20 they -PRON- PRP 33941 548 21 melt melt VBP 33941 548 22 , , , 33941 548 23 and and CC 33941 548 24 united unite VBN 33941 548 25 by by IN 33941 548 26 pressing press VBG 33941 548 27 them -PRON- PRP 33941 548 28 together together RB 33941 548 29 . . . 33941 549 1 The the DT 33941 549 2 joint joint NN 33941 549 3 may may MD 33941 549 4 then then RB 33941 549 5 be be VB 33941 549 6 finished finish VBN 33941 549 7 as as IN 33941 549 8 before before RB 33941 549 9 . . . 33941 550 1 [ [ -LRB- 33941 550 2 Illustration illustration NN 33941 550 3 : : : 33941 550 4 FIG FIG NNP 33941 550 5 . . . 33941 551 1 16 16 CD 33941 551 2 . . . 33941 551 3 ] ] -RRB- 33941 552 1 A a DT 33941 552 2 properly properly RB 33941 552 3 blown blow VBN 33941 552 4 joint joint NN 33941 552 5 will will MD 33941 552 6 not not RB 33941 552 7 present present VB 33941 552 8 the the DT 33941 552 9 appearance appearance NN 33941 552 10 of of IN 33941 552 11 _ _ NNP 33941 552 12 B B NNP 33941 552 13 _ _ NNP 33941 552 14 ( ( -LRB- 33941 552 15 Fig Fig NNP 33941 552 16 . . . 33941 553 1 16 16 CD 33941 553 2 ) ) -RRB- 33941 553 3 , , , 33941 553 4 but but CC 33941 553 5 rather rather RB 33941 553 6 that that DT 33941 553 7 of of IN 33941 553 8 _ _ NNP 33941 553 9 C C NNP 33941 553 10 _ _ NNP 33941 553 11 . . . 33941 554 1 This this DT 33941 554 2 is be VBZ 33941 554 3 secured secure VBN 33941 554 4 by by IN 33941 554 5 directing direct VBG 33941 554 6 the the DT 33941 554 7 pointed pointed JJ 33941 554 8 flame flame NN 33941 554 9 upon upon IN 33941 554 10 the the DT 33941 554 11 glass glass NN 33941 554 12 at at IN 33941 554 13 _ _ NNP 33941 554 14 aa aa NNP 33941 554 15 _ _ NNP 33941 554 16 ( ( -LRB- 33941 554 17 _ _ NNP 33941 554 18 B B NNP 33941 554 19 _ _ NNP 33941 554 20 ) ) -RRB- 33941 554 21 spot spot NN 33941 554 22 by by IN 33941 554 23 spot spot NN 33941 554 24 , , , 33941 554 25 and and CC 33941 554 26 blowing blow VBG 33941 554 27 out out RP 33941 554 28 each each DT 33941 554 29 spot spot NN 33941 554 30 when when WRB 33941 554 31 it -PRON- PRP 33941 554 32 is be VBZ 33941 554 33 sufficiently sufficiently RB 33941 554 34 softened soften VBN 33941 554 35 . . . 33941 555 1 If if IN 33941 555 2 the the DT 33941 555 3 tubes tube NNS 33941 555 4 are be VBP 33941 555 5 large large JJ 33941 555 6 , , , 33941 555 7 the the DT 33941 555 8 whole whole JJ 33941 555 9 joint joint NN 33941 555 10 should should MD 33941 555 11 subsequently subsequently RB 33941 555 12 be be VB 33941 555 13 heated heat VBN 33941 555 14 and and CC 33941 555 15 blown blow VBN 33941 555 16 , , , 33941 555 17 but but CC 33941 555 18 in in IN 33941 555 19 the the DT 33941 555 20 case case NN 33941 555 21 of of IN 33941 555 22 small small JJ 33941 555 23 tubes tube NNS 33941 555 24 this this DT 33941 555 25 is be VBZ 33941 555 26 of of IN 33941 555 27 less less JJR 33941 555 28 importance importance NN 33941 555 29 . . . 33941 556 1 Finally finally RB 33941 556 2 it -PRON- PRP 33941 556 3 is be VBZ 33941 556 4 to to TO 33941 556 5 be be VB 33941 556 6 wrapped wrap VBN 33941 556 7 whilst whilst IN 33941 556 8 hot hot RB 33941 556 9 in in IN 33941 556 10 cotton cotton NN 33941 556 11 wool wool NN 33941 556 12 for for IN 33941 556 13 the the DT 33941 556 14 annealing annealing NN 33941 556 15 process process NN 33941 556 16 . . . 33941 557 1 If if IN 33941 557 2 a a DT 33941 557 3 second second JJ 33941 557 4 tube tube NN 33941 557 5 has have VBZ 33941 557 6 to to TO 33941 557 7 be be VB 33941 557 8 joined join VBN 33941 557 9 near near RB 33941 557 10 to to IN 33941 557 11 the the DT 33941 557 12 first first JJ 33941 557 13 one one CD 33941 557 14 , , , 33941 557 15 say say VBP 33941 557 16 at at IN 33941 557 17 _ _ NNP 33941 557 18 b b NNP 33941 557 19 _ _ NNP 33941 557 20 , , , 33941 557 21 it -PRON- PRP 33941 557 22 is be VBZ 33941 557 23 well well JJ 33941 557 24 to to TO 33941 557 25 proceed proceed VB 33941 557 26 with with IN 33941 557 27 it -PRON- PRP 33941 557 28 before before IN 33941 557 29 the the DT 33941 557 30 joint joint JJ 33941 557 31 first first RB 33941 557 32 made make VBN 33941 557 33 cools cool NNS 33941 557 34 down down RP 33941 557 35 , , , 33941 557 36 and and CC 33941 557 37 the the DT 33941 557 38 joint joint JJ 33941 557 39 first first RB 33941 557 40 made make VBN 33941 557 41 , , , 33941 557 42 especially especially RB 33941 557 43 if if IN 33941 557 44 soda soda NN 33941 557 45 glass glass NN 33941 557 46 be be VB 33941 557 47 used use VBN 33941 557 48 , , , 33941 557 49 must must MD 33941 557 50 be be VB 33941 557 51 held hold VBN 33941 557 52 in in IN 33941 557 53 the the DT 33941 557 54 flame flame NN 33941 557 55 from from IN 33941 557 56 time time NN 33941 557 57 to to IN 33941 557 58 time time NN 33941 557 59 during during IN 33941 557 60 the the DT 33941 557 61 process process NN 33941 557 62 of of IN 33941 557 63 making make VBG 33941 557 64 the the DT 33941 557 65 second second JJ 33941 557 66 joint joint NN 33941 557 67 to to TO 33941 557 68 keep keep VB 33941 557 69 it -PRON- PRP 33941 557 70 hot hot JJ 33941 557 71 ; ; : 33941 557 72 if if IN 33941 557 73 this this DT 33941 557 74 be be VB 33941 557 75 not not RB 33941 557 76 done do VBN 33941 557 77 the the DT 33941 557 78 first first JJ 33941 557 79 joint joint NN 33941 557 80 is be VBZ 33941 557 81 very very RB 33941 557 82 likely likely JJ 33941 557 83 to to TO 33941 557 84 break break VB 33941 557 85 . . . 33941 558 1 A a DT 33941 558 2 joint joint JJ 33941 558 3 previously previously RB 33941 558 4 made make VBN 33941 558 5 may may NNP 33941 558 6 , , , 33941 558 7 however however RB 33941 558 8 , , , 33941 558 9 be be VB 33941 558 10 re re VBN 33941 558 11 - - JJ 33941 558 12 heated heated JJ 33941 558 13 , , , 33941 558 14 if if IN 33941 558 15 well well RB 33941 558 16 made make VBN 33941 558 17 and and CC 33941 558 18 well well RB 33941 558 19 annealed anneal VBN 33941 558 20 . . . 33941 559 1 A a DT 33941 559 2 three three CD 33941 559 3 - - HYPH 33941 559 4 way way NN 33941 559 5 tube tube NN 33941 559 6 , , , 33941 559 7 like like IN 33941 559 8 that that DT 33941 559 9 in in IN 33941 559 10 Fig Fig NNP 33941 559 11 . . . 33941 560 1 17 17 CD 33941 560 2 , , , 33941 560 3 is be VBZ 33941 560 4 made make VBN 33941 560 5 by by IN 33941 560 6 bending bend VBG 33941 560 7 _ _ NNP 33941 560 8 A A NNP 33941 560 9 _ _ NNP 33941 560 10 ( ( -LRB- 33941 560 11 Fig fig NN 33941 560 12 . . . 33941 561 1 16 16 LS 33941 561 2 ) ) -RRB- 33941 561 3 to to IN 33941 561 4 an an DT 33941 561 5 angle angle NN 33941 561 6 , , , 33941 561 7 and and CC 33941 561 8 joining join VBG 33941 561 9 _ _ NNP 33941 561 10 B B NNP 33941 561 11 _ _ NNP 33941 561 12 to to IN 33941 561 13 an an DT 33941 561 14 opening opening NN 33941 561 15 blown blow VBN 33941 561 16 on on IN 33941 561 17 the the DT 33941 561 18 convex convex NNP 33941 561 19 side side NN 33941 561 20 of of IN 33941 561 21 the the DT 33941 561 22 angle angle NN 33941 561 23 ; ; : 33941 561 24 or or CC 33941 561 25 , , , 33941 561 26 _ _ NNP 33941 561 27 A A NNP 33941 561 28 _ _ NNP 33941 561 29 of of IN 33941 561 30 Fig Fig NNP 33941 561 31 . . . 33941 562 1 16 16 CD 33941 562 2 may may MD 33941 562 3 be be VB 33941 562 4 bent bent JJ 33941 562 5 as as IN 33941 562 6 desired desire VBN 33941 562 7 after after IN 33941 562 8 attaching attach VBG 33941 562 9 _ _ NNP 33941 562 10 B B NNP 33941 562 11 _ _ NNP 33941 562 12 in in IN 33941 562 13 the the DT 33941 562 14 ordinary ordinary JJ 33941 562 15 way way NN 33941 562 16 . . . 33941 563 1 [ [ -LRB- 33941 563 2 Illustration illustration NN 33941 563 3 : : : 33941 563 4 FIG FIG NNP 33941 563 5 . . . 33941 564 1 17 17 CD 33941 564 2 . . . 33941 564 3 ] ] -RRB- 33941 565 1 Tubes tube NNS 33941 565 2 may may MD 33941 565 3 also also RB 33941 565 4 be be VB 33941 565 5 joined join VBN 33941 565 6 to to IN 33941 565 7 openings opening NNS 33941 565 8 made make VBN 33941 565 9 in in IN 33941 565 10 the the DT 33941 565 11 sides side NNS 33941 565 12 of of IN 33941 565 13 globes globe NNS 33941 565 14 or or CC 33941 565 15 flasks flask NNS 33941 565 16 ; ; , 33941 565 17 great great JJ 33941 565 18 care care NN 33941 565 19 must must MD 33941 565 20 be be VB 33941 565 21 taken take VBN 33941 565 22 , , , 33941 565 23 however however RB 33941 565 24 , , , 33941 565 25 especially especially RB 33941 565 26 if if IN 33941 565 27 the the DT 33941 565 28 walls wall NNS 33941 565 29 of of IN 33941 565 30 the the DT 33941 565 31 globe globe NN 33941 565 32 be be VB 33941 565 33 thin thin JJ 33941 565 34 , , , 33941 565 35 to to TO 33941 565 36 secure secure VB 33941 565 37 that that IN 33941 565 38 the the DT 33941 565 39 tube tube NN 33941 565 40 is be VBZ 33941 565 41 well well RB 33941 565 42 attached attach VBN 33941 565 43 to to IN 33941 565 44 the the DT 33941 565 45 mouth mouth NN 33941 565 46 of of IN 33941 565 47 the the DT 33941 565 48 opening opening NN 33941 565 49 when when WRB 33941 565 50 the the DT 33941 565 51 melted melted JJ 33941 565 52 ends end NNS 33941 565 53 are be VBP 33941 565 54 first first RB 33941 565 55 brought bring VBN 33941 565 56 into into IN 33941 565 57 contact contact NN 33941 565 58 , , , 33941 565 59 for for IN 33941 565 60 , , , 33941 565 61 with with IN 33941 565 62 thin thin JJ 33941 565 63 glass glass NN 33941 565 64 , , , 33941 565 65 any any DT 33941 565 66 hole hole NN 33941 565 67 that that WDT 33941 565 68 may may MD 33941 565 69 be be VB 33941 565 70 left leave VBN 33941 565 71 will will MD 33941 565 72 probably probably RB 33941 565 73 increase increase VB 33941 565 74 whilst whilst IN 33941 565 75 the the DT 33941 565 76 joint joint NN 33941 565 77 is be VBZ 33941 565 78 being be VBG 33941 565 79 blown blow VBN 33941 565 80 into into IN 33941 565 81 shape shape NN 33941 565 82 , , , 33941 565 83 owing owe VBG 33941 565 84 to to IN 33941 565 85 cohesion cohesion NN 33941 565 86 causing cause VBG 33941 565 87 the the DT 33941 565 88 glass glass NN 33941 565 89 to to TO 33941 565 90 gather gather VB 33941 565 91 in in IN 33941 565 92 a a DT 33941 565 93 thickened thicken VBN 33941 565 94 ring ring NN 33941 565 95 round round IN 33941 565 96 an an DT 33941 565 97 enlargement enlargement NN 33941 565 98 of of IN 33941 565 99 the the DT 33941 565 100 original original JJ 33941 565 101 opening opening NN 33941 565 102 . . . 33941 566 1 [ [ -LRB- 33941 566 2 8 8 CD 33941 566 3 ] ] -RRB- 33941 566 4 [ [ -LRB- 33941 566 5 8 8 CD 33941 566 6 ] ] -RRB- 33941 566 7 If if IN 33941 566 8 such such PDT 33941 566 9 an an DT 33941 566 10 opening opening NN 33941 566 11 be be VB 33941 566 12 observed observe VBN 33941 566 13 , , , 33941 566 14 it -PRON- PRP 33941 566 15 may may MD 33941 566 16 usually usually RB 33941 566 17 be be VB 33941 566 18 closed close VBN 33941 566 19 by by IN 33941 566 20 touching touch VBG 33941 566 21 its -PRON- PRP$ 33941 566 22 edges edge NNS 33941 566 23 with with IN 33941 566 24 a a DT 33941 566 25 fused fuse VBN 33941 566 26 point point NN 33941 566 27 of of IN 33941 566 28 glass glass NN 33941 566 29 at at IN 33941 566 30 the the DT 33941 566 31 end end NN 33941 566 32 of of IN 33941 566 33 a a DT 33941 566 34 drawn draw VBN 33941 566 35 out out RP 33941 566 36 tube tube NN 33941 566 37 . . . 33941 567 1 In in IN 33941 567 2 order order NN 33941 567 3 to to TO 33941 567 4 unite unite VB 33941 567 5 a a DT 33941 567 6 tube tube NN 33941 567 7 of of IN 33941 567 8 soda soda NN 33941 567 9 glass glass NN 33941 567 10 to to IN 33941 567 11 a a DT 33941 567 12 tube tube NN 33941 567 13 of of IN 33941 567 14 lead lead JJ 33941 567 15 glass glass NN 33941 567 16 , , , 33941 567 17 the the DT 33941 567 18 end end NN 33941 567 19 of of IN 33941 567 20 the the DT 33941 567 21 soda soda NN 33941 567 22 glass glass NN 33941 567 23 tube tube NN 33941 567 24 must must MD 33941 567 25 be be VB 33941 567 26 carefully carefully RB 33941 567 27 covered cover VBN 33941 567 28 with with IN 33941 567 29 a a DT 33941 567 30 layer layer NN 33941 567 31 of of IN 33941 567 32 soft soft JJ 33941 567 33 arsenic arsenic JJ 33941 567 34 glass glass NN 33941 567 35 . . . 33941 568 1 [ [ -LRB- 33941 568 2 9 9 CD 33941 568 3 ] ] -RRB- 33941 568 4 This this DT 33941 568 5 must must MD 33941 568 6 be be VB 33941 568 7 done do VBN 33941 568 8 so so RB 33941 568 9 perfectly perfectly RB 33941 568 10 that that IN 33941 568 11 when when WRB 33941 568 12 the the DT 33941 568 13 ends end NNS 33941 568 14 to to TO 33941 568 15 be be VB 33941 568 16 united unite VBN 33941 568 17 are be VBP 33941 568 18 brought bring VBN 33941 568 19 together together RB 33941 568 20 the the DT 33941 568 21 lead lead NN 33941 568 22 and and CC 33941 568 23 soda soda NN 33941 568 24 glass glass NN 33941 568 25 are be VBP 33941 568 26 separated separate VBN 33941 568 27 by by IN 33941 568 28 the the DT 33941 568 29 enamel enamel NN 33941 568 30 at at IN 33941 568 31 every every DT 33941 568 32 point point NN 33941 568 33 . . . 33941 569 1 [ [ -LRB- 33941 569 2 9 9 CD 33941 569 3 ] ] -RRB- 33941 569 4 This this DT 33941 569 5 can can MD 33941 569 6 be be VB 33941 569 7 obtained obtain VBN 33941 569 8 from from IN 33941 569 9 Messrs. Messrs. NNPS 33941 569 10 Powells Powells NNPS 33941 569 11 , , , 33941 569 12 Whitefriars Whitefriars NNPS 33941 569 13 Glassworks Glassworks NNP 33941 569 14 . . . 33941 570 1 _ _ NNP 33941 570 2 To to TO 33941 570 3 Seal seal VB 33941 570 4 a a DT 33941 570 5 Tube tube NN 33941 570 6 inside inside IN 33941 570 7 a a DT 33941 570 8 Larger large JJR 33941 570 9 Tube Tube NNP 33941 570 10 or or CC 33941 570 11 Bulb._--Suppose bulb._--suppose VB 33941 570 12 that that IN 33941 570 13 an an DT 33941 570 14 air air NN 33941 570 15 - - HYPH 33941 570 16 trap trap NN 33941 570 17 ( ( -LRB- 33941 570 18 3 3 CD 33941 570 19 of of IN 33941 570 20 Fig Fig NNP 33941 570 21 . . . 33941 571 1 18 18 CD 33941 571 2 ) ) -RRB- 33941 571 3 is be VBZ 33941 571 4 to to TO 33941 571 5 be be VB 33941 571 6 constructed construct VBN 33941 571 7 from from IN 33941 571 8 a a DT 33941 571 9 small small JJ 33941 571 10 bulb bulb NN 33941 571 11 ( ( -LRB- 33941 571 12 _ _ NNP 33941 571 13 A A NNP 33941 571 14 _ _ NNP 33941 571 15 ) ) -RRB- 33941 571 16 blown blow VBN 33941 571 17 on on IN 33941 571 18 a a DT 33941 571 19 glass glass NN 33941 571 20 tube tube NN 33941 571 21 ( ( -LRB- 33941 571 22 1 1 CD 33941 571 23 ) ) -RRB- 33941 571 24 . . . 33941 572 1 [ [ -LRB- 33941 572 2 Illustration illustration NN 33941 572 3 : : : 33941 572 4 FIG FIG NNP 33941 572 5 . . . 33941 573 1 18 18 LS 33941 573 2 ] ] -RRB- 33941 573 3 Either either CC 33941 573 4 cut cut VBD 33941 573 5 off off RP 33941 573 6 the the DT 33941 573 7 tube tube NN 33941 573 8 close close RB 33941 573 9 to to IN 33941 573 10 the the DT 33941 573 11 bulb bulb NN 33941 573 12 at at IN 33941 573 13 _ _ NNP 33941 573 14 B B NNP 33941 573 15 _ _ NNP 33941 573 16 , , , 33941 573 17 or or CC 33941 573 18 better well RBR 33941 573 19 , , , 33941 573 20 remove remove VB 33941 573 21 the the DT 33941 573 22 end end NN 33941 573 23 by by IN 33941 573 24 melting melt VBG 33941 573 25 the the DT 33941 573 26 glass glass NN 33941 573 27 and and CC 33941 573 28 pulling pull VBG 33941 573 29 it -PRON- PRP 33941 573 30 away away RB 33941 573 31 from from IN 33941 573 32 _ _ NNP 33941 573 33 B B NNP 33941 573 34 _ _ NNP 33941 573 35 , , , 33941 573 36 and and CC 33941 573 37 then then RB 33941 573 38 pierce pierce NN 33941 573 39 _ _ NNP 33941 573 40 A A NNP 33941 573 41 _ _ NNP 33941 573 42 at at IN 33941 573 43 _ _ NNP 33941 573 44 B B NNP 33941 573 45 _ _ NNP 33941 573 46 , , , 33941 573 47 No no UH 33941 573 48 . . . 33941 574 1 2 2 LS 33941 574 2 , , , 33941 574 3 by by IN 33941 574 4 heating heat VBG 33941 574 5 the the DT 33941 574 6 glass glass NN 33941 574 7 there there RB 33941 574 8 and and CC 33941 574 9 blowing blow VBG 33941 574 10 out out RP 33941 574 11 a a DT 33941 574 12 small small JJ 33941 574 13 bulb bulb NN 33941 574 14 as as IN 33941 574 15 described describe VBN 33941 574 16 under under IN 33941 574 17 Piercing Piercing NNP 33941 574 18 . . . 33941 575 1 Prepare prepare VB 33941 575 2 a a DT 33941 575 3 tube tube NN 33941 575 4 ( ( -LRB- 33941 575 5 4 4 LS 33941 575 6 ) ) -RRB- 33941 575 7 drawn draw VBN 33941 575 8 out out RP 33941 575 9 at at IN 33941 575 10 _ _ NNP 33941 575 11 E E NNP 33941 575 12 _ _ NNP 33941 575 13 with with IN 33941 575 14 a a DT 33941 575 15 bulb bulb NN 33941 575 16 blown blow VBN 33941 575 17 at at IN 33941 575 18 _ _ NNP 33941 575 19 D D NNP 33941 575 20 _ _ NNP 33941 575 21 . . . 33941 576 1 Insert Insert NNP 33941 576 2 _ _ NNP 33941 576 3 E E NNP 33941 576 4 _ _ NNP 33941 576 5 into into IN 33941 576 6 the the DT 33941 576 7 opening opening NN 33941 576 8 _ _ NNP 33941 576 9 B B NNP 33941 576 10 _ _ NNP 33941 576 11 , , , 33941 576 12 press press NN 33941 576 13 _ _ NNP 33941 576 14 D D NNP 33941 576 15 _ _ NNP 33941 576 16 well well RB 33941 576 17 against against IN 33941 576 18 the the DT 33941 576 19 mouth mouth NN 33941 576 20 _ _ NNP 33941 576 21 B B NNP 33941 576 22 _ _ NNP 33941 576 23 and and CC 33941 576 24 slowly slowly RB 33941 576 25 rotate rotate VB 33941 576 26 before before IN 33941 576 27 the the DT 33941 576 28 blow blow NN 33941 576 29 - - HYPH 33941 576 30 pipe pipe NN 33941 576 31 till till IN 33941 576 32 _ _ NNP 33941 576 33 D D NNP 33941 576 34 _ _ NNP 33941 576 35 adheres adhere VBZ 33941 576 36 to to IN 33941 576 37 _ _ NNP 33941 576 38 B B NNP 33941 576 39 _ _ NNP 33941 576 40 . . . 33941 577 1 Then then RB 33941 577 2 heat heat VB 33941 577 3 and and CC 33941 577 4 blow blow VB 33941 577 5 the the DT 33941 577 6 joint joint JJ 33941 577 7 spot spot NN 33941 577 8 by by IN 33941 577 9 spot spot NN 33941 577 10 as as IN 33941 577 11 in in IN 33941 577 12 other other JJ 33941 577 13 cases case NNS 33941 577 14 , , , 33941 577 15 taking take VBG 33941 577 16 care care NN 33941 577 17 that that IN 33941 577 18 the the DT 33941 577 19 glass glass NN 33941 577 20 is be VBZ 33941 577 21 blown blow VBN 33941 577 22 out out RP 33941 577 23 on on IN 33941 577 24 each each DT 33941 577 25 side side NN 33941 577 26 of of IN 33941 577 27 the the DT 33941 577 28 joint joint NN 33941 577 29 ; ; : 33941 577 30 lastly lastly RB 33941 577 31 , , , 33941 577 32 heat heat VB 33941 577 33 the the DT 33941 577 34 whole whole JJ 33941 577 35 joint joint NN 33941 577 36 between between IN 33941 577 37 _ _ NNP 33941 577 38 aa aa NNP 33941 577 39 _ _ NNP 33941 577 40 , , , 33941 577 41 and and CC 33941 577 42 blow blow VB 33941 577 43 it -PRON- PRP 33941 577 44 into into IN 33941 577 45 its -PRON- PRP$ 33941 577 46 final final JJ 33941 577 47 shape shape NN 33941 577 48 . . . 33941 578 1 These these DT 33941 578 2 joints joint NNS 33941 578 3 are be VBP 33941 578 4 very very RB 33941 578 5 apt apt JJ 33941 578 6 to to TO 33941 578 7 break break VB 33941 578 8 after after IN 33941 578 9 a a DT 33941 578 10 few few JJ 33941 578 11 minutes minute NNS 33941 578 12 or or CC 33941 578 13 hours hour NNS 33941 578 14 if if IN 33941 578 15 the the DT 33941 578 16 glass glass NN 33941 578 17 of of IN 33941 578 18 _ _ NNP 33941 578 19 D D NNP 33941 578 20 _ _ NNP 33941 578 21 be be VB 33941 578 22 much much RB 33941 578 23 thicker thick JJR 33941 578 24 than than IN 33941 578 25 that that DT 33941 578 26 of of IN 33941 578 27 the the DT 33941 578 28 bulb bulb NN 33941 578 29 _ _ NNP 33941 578 30 A A NNP 33941 578 31 _ _ NNP 33941 578 32 . . . 33941 579 1 They -PRON- PRP 33941 579 2 should should MD 33941 579 3 be be VB 33941 579 4 wrapped wrap VBN 33941 579 5 in in IN 33941 579 6 cotton cotton NN 33941 579 7 wool wool NN 33941 579 8 for for IN 33941 579 9 annealing anneal VBG 33941 579 10 as as RB 33941 579 11 soon soon RB 33941 579 12 as as IN 33941 579 13 possible possible JJ 33941 579 14 , , , 33941 579 15 as as IN 33941 579 16 the the DT 33941 579 17 rate rate NN 33941 579 18 at at IN 33941 579 19 which which WDT 33941 579 20 the the DT 33941 579 21 tube tube NN 33941 579 22 _ _ NNP 33941 579 23 E E NNP 33941 579 24 _ _ NNP 33941 579 25 cools cool NNS 33941 579 26 is be VBZ 33941 579 27 likely likely JJ 33941 579 28 to to TO 33941 579 29 be be VB 33941 579 30 less less RBR 33941 579 31 rapid rapid JJ 33941 579 32 than than IN 33941 579 33 that that DT 33941 579 34 of of IN 33941 579 35 the the DT 33941 579 36 parts part NNS 33941 579 37 of of IN 33941 579 38 the the DT 33941 579 39 apparatus apparatus NN 33941 579 40 which which WDT 33941 579 41 are be VBP 33941 579 42 more more RBR 33941 579 43 freely freely RB 33941 579 44 exposed expose VBN 33941 579 45 to to IN 33941 579 46 the the DT 33941 579 47 air air NN 33941 579 48 ; ; : 33941 579 49 therefore therefore RB 33941 579 50 all all DT 33941 579 51 such such JJ 33941 579 52 internal internal JJ 33941 579 53 joints joint NNS 33941 579 54 require require VBP 33941 579 55 very very RB 33941 579 56 careful careful JJ 33941 579 57 annealing annealing NN 33941 579 58 , , , 33941 579 59 and and CC 33941 579 60 they -PRON- PRP 33941 579 61 should should MD 33941 579 62 always always RB 33941 579 63 be be VB 33941 579 64 made make VBN 33941 579 65 as as RB 33941 579 66 thin thin JJ 33941 579 67 as as IN 33941 579 68 is be VBZ 33941 579 69 consistent consistent JJ 33941 579 70 with with IN 33941 579 71 the the DT 33941 579 72 use use NN 33941 579 73 to to TO 33941 579 74 which which WDT 33941 579 75 they -PRON- PRP 33941 579 76 are be VBP 33941 579 77 to to TO 33941 579 78 be be VB 33941 579 79 put put VBN 33941 579 80 . . . 33941 580 1 Tubes tube NNS 33941 580 2 may may MD 33941 580 3 also also RB 33941 580 4 be be VB 33941 580 5 sealed seal VBN 33941 580 6 into into IN 33941 580 7 the the DT 33941 580 8 ends end NNS 33941 580 9 or or CC 33941 580 10 sides side NNS 33941 580 11 of of IN 33941 580 12 larger large JJR 33941 580 13 tubes tube NNS 33941 580 14 by by IN 33941 580 15 piercing pierce VBG 33941 580 16 them -PRON- PRP 33941 580 17 at at IN 33941 580 18 the the DT 33941 580 19 point point NN 33941 580 20 at at IN 33941 580 21 which which WDT 33941 580 22 the the DT 33941 580 23 inserted insert VBN 33941 580 24 tube tube NN 33941 580 25 is be VBZ 33941 580 26 to to TO 33941 580 27 be be VB 33941 580 28 introduced introduce VBN 33941 580 29 , , , 33941 580 30 and and CC 33941 580 31 proceeding proceed VBG 33941 580 32 as as IN 33941 580 33 in in IN 33941 580 34 the the DT 33941 580 35 case case NN 33941 580 36 of of IN 33941 580 37 the the DT 33941 580 38 air air NN 33941 580 39 - - HYPH 33941 580 40 trap trap NN 33941 580 41 just just RB 33941 580 42 described describe VBN 33941 580 43 . . . 33941 581 1 Ozone ozone NN 33941 581 2 generators generator NNS 33941 581 3 of of IN 33941 581 4 the the DT 33941 581 5 form form NN 33941 581 6 shown show VBN 33941 581 7 on on IN 33941 581 8 next next JJ 33941 581 9 page page NN 33941 581 10 ( ( -LRB- 33941 581 11 Fig fig NN 33941 581 12 . . . 33941 582 1 19 19 CD 33941 582 2 ) ) -RRB- 33941 582 3 , , , 33941 582 4 afford afford VB 33941 582 5 an an DT 33941 582 6 interesting interesting JJ 33941 582 7 example example NN 33941 582 8 of of IN 33941 582 9 the the DT 33941 582 10 insertion insertion NN 33941 582 11 of of IN 33941 582 12 smaller small JJR 33941 582 13 tubes tube NNS 33941 582 14 into into IN 33941 582 15 larger large JJR 33941 582 16 . . . 33941 583 1 On on IN 33941 583 2 account account NN 33941 583 3 of of IN 33941 583 4 the the DT 33941 583 5 small small JJ 33941 583 6 space space NN 33941 583 7 that that WDT 33941 583 8 may may MD 33941 583 9 be be VB 33941 583 10 left leave VBN 33941 583 11 between between IN 33941 583 12 the the DT 33941 583 13 inner inner JJ 33941 583 14 and and CC 33941 583 15 outer outer JJ 33941 583 16 tubes tube NNS 33941 583 17 of of IN 33941 583 18 an an DT 33941 583 19 ozone ozone NN 33941 583 20 generator generator NN 33941 583 21 , , , 33941 583 22 and and CC 33941 583 23 of of IN 33941 583 24 the the DT 33941 583 25 length length NN 33941 583 26 of of IN 33941 583 27 the the DT 33941 583 28 inner inner JJ 33941 583 29 tube tube NN 33941 583 30 , , , 33941 583 31 its -PRON- PRP$ 33941 583 32 construction construction NN 33941 583 33 needs need VBZ 33941 583 34 great great JJ 33941 583 35 care care NN 33941 583 36 . . . 33941 584 1 I -PRON- PRP 33941 584 2 find find VBP 33941 584 3 the the DT 33941 584 4 following following JJ 33941 584 5 mode mode NN 33941 584 6 of of IN 33941 584 7 procedure procedure NN 33941 584 8 gives give VBZ 33941 584 9 good good JJ 33941 584 10 results result NNS 33941 584 11 . . . 33941 585 1 Select select VB 33941 585 2 the the DT 33941 585 3 pieces piece NNS 33941 585 4 of of IN 33941 585 5 tube tube NN 33941 585 6 for for IN 33941 585 7 this this DT 33941 585 8 instrument instrument NN 33941 585 9 as as RB 33941 585 10 free free JJ 33941 585 11 from from IN 33941 585 12 curvature curvature JJ 33941 585 13 as as IN 33941 585 14 possible possible JJ 33941 585 15 . . . 33941 586 1 For for IN 33941 586 2 the the DT 33941 586 3 inner inner JJ 33941 586 4 tube tube NN 33941 586 5 , , , 33941 586 6 a a DT 33941 586 7 tube tube NN 33941 586 8 12 12 CD 33941 586 9 mm mm NNP 33941 586 10 . . NNP 33941 586 11 , , , 33941 586 12 or or CC 33941 586 13 rather rather RB 33941 586 14 more more JJR 33941 586 15 , , , 33941 586 16 in in IN 33941 586 17 external external JJ 33941 586 18 diameter diameter NN 33941 586 19 , , , 33941 586 20 and and CC 33941 586 21 of of IN 33941 586 22 rather rather RB 33941 586 23 thin thin JJ 33941 586 24 glass glass NN 33941 586 25 , , , 33941 586 26 is be VBZ 33941 586 27 drawn draw VBN 33941 586 28 out out RP 33941 586 29 , , , 33941 586 30 as as IN 33941 586 31 for for IN 33941 586 32 closing closing NN 33941 586 33 , , , 33941 586 34 until until IN 33941 586 35 only only RB 33941 586 36 a a DT 33941 586 37 very very RB 33941 586 38 narrow narrow JJ 33941 586 39 tube tube NN 33941 586 40 remains remain VBZ 33941 586 41 at at IN 33941 586 42 _ _ NNP 33941 586 43 C C NNP 33941 586 44 _ _ NNP 33941 586 45 , , , 33941 586 46 the the DT 33941 586 47 end end NN 33941 586 48 of of IN 33941 586 49 _ _ NNP 33941 586 50 C C NNP 33941 586 51 _ _ NNP 33941 586 52 is be VBZ 33941 586 53 closed close VBN 33941 586 54 the the DT 33941 586 55 area area NN 33941 586 56 round round RB 33941 586 57 _ _ NNP 33941 586 58 C C NNP 33941 586 59 _ _ NNP 33941 586 60 is be VBZ 33941 586 61 carefully carefully RB 33941 586 62 blown blow VBN 33941 586 63 into into IN 33941 586 64 shape shape NN 33941 586 65 , , , 33941 586 66 so so IN 33941 586 67 that that IN 33941 586 68 by by IN 33941 586 69 melting melt VBG 33941 586 70 off off RP 33941 586 71 _ _ NNP 33941 586 72 C C NNP 33941 586 73 _ _ NNP 33941 586 74 the the DT 33941 586 75 tube tube NN 33941 586 76 _ _ NNP 33941 586 77 A A NNP 33941 586 78 _ _ NNP 33941 586 79 will will MD 33941 586 80 be be VB 33941 586 81 left leave VBN 33941 586 82 with with IN 33941 586 83 a a DT 33941 586 84 well well RB 33941 586 85 - - HYPH 33941 586 86 rounded rounded JJ 33941 586 87 end end NN 33941 586 88 . . . 33941 587 1 A a DT 33941 587 2 small small JJ 33941 587 3 bulb bulb NN 33941 587 4 of of IN 33941 587 5 glass glass NN 33941 587 6 is be VBZ 33941 587 7 next next RB 33941 587 8 blown blow VBN 33941 587 9 on on IN 33941 587 10 _ _ NNP 33941 587 11 A A NNP 33941 587 12 _ _ NNP 33941 587 13 at at IN 33941 587 14 _ _ NNP 33941 587 15 B B NNP 33941 587 16 _ _ NNP 33941 587 17 . . . 33941 588 1 This this DT 33941 588 2 bulb bulb NN 33941 588 3 must must MD 33941 588 4 be be VB 33941 588 5 of of IN 33941 588 6 slightly slightly RB 33941 588 7 greater great JJR 33941 588 8 diameter diameter NN 33941 588 9 than than IN 33941 588 10 the the DT 33941 588 11 contracted contract VBN 33941 588 12 end end NN 33941 588 13 _ _ NNP 33941 588 14 E E NNP 33941 588 15 _ _ NNP 33941 588 16 of of IN 33941 588 17 the the DT 33941 588 18 larger large JJR 33941 588 19 tube tube NN 33941 588 20 ( ( -LRB- 33941 588 21 II II NNP 33941 588 22 . . . 33941 589 1 ) ) -RRB- 33941 589 2 , , , 33941 589 3 so so IN 33941 589 4 that that IN 33941 589 5 _ _ NNP 33941 589 6 B B NNP 33941 589 7 _ _ NNP 33941 589 8 will will MD 33941 589 9 just just RB 33941 589 10 fail fail VB 33941 589 11 to to TO 33941 589 12 pass pass VB 33941 589 13 through through IN 33941 589 14 _ _ NNP 33941 589 15 E E NNP 33941 589 16 _ _ NNP 33941 589 17 . . . 33941 590 1 The the DT 33941 590 2 length length NN 33941 590 3 from from IN 33941 590 4 _ _ NNP 33941 590 5 B B NNP 33941 590 6 _ _ NNP 33941 590 7 to to IN 33941 590 8 _ _ NNP 33941 590 9 C C NNP 33941 590 10 _ _ NNP 33941 590 11 must must MD 33941 590 12 not not RB 33941 590 13 be be VB 33941 590 14 made make VBN 33941 590 15 greater great JJR 33941 590 16 than than IN 33941 590 17 from from IN 33941 590 18 _ _ NNP 33941 590 19 E E NNP 33941 590 20 _ _ NNP 33941 590 21 to to IN 33941 590 22 _ _ NNP 33941 590 23 G G NNP 33941 590 24 _ _ NNP 33941 590 25 on on IN 33941 590 26 the the DT 33941 590 27 outside outside JJ 33941 590 28 tube tube NN 33941 590 29 . . . 33941 591 1 The the DT 33941 591 2 end end NN 33941 591 3 at at IN 33941 591 4 _ _ NNP 33941 591 5 C C NNP 33941 591 6 _ _ NNP 33941 591 7 is be VBZ 33941 591 8 then then RB 33941 591 9 to to TO 33941 591 10 be be VB 33941 591 11 cut cut VBN 33941 591 12 off off RP 33941 591 13 so so IN 33941 591 14 as as IN 33941 591 15 to to TO 33941 591 16 leave leave VB 33941 591 17 a a DT 33941 591 18 pin pin NN 33941 591 19 - - HYPH 33941 591 20 hole hole NN 33941 591 21 in in IN 33941 591 22 the the DT 33941 591 23 end end NN 33941 591 24 of of IN 33941 591 25 _ _ NNP 33941 591 26 A A NNP 33941 591 27 _ _ NNP 33941 591 28 . . . 33941 592 1 [ [ -LRB- 33941 592 2 Illustration illustration NN 33941 592 3 : : : 33941 592 4 FIG FIG NNP 33941 592 5 . . . 33941 593 1 19 19 CD 33941 593 2 . . . 33941 593 3 ] ] -RRB- 33941 594 1 The the DT 33941 594 2 outer outer JJ 33941 594 3 tube tube NN 33941 594 4 ( ( -LRB- 33941 594 5 II II NNP 33941 594 6 . . . 33941 595 1 ) ) -RRB- 33941 595 2 , , , 33941 595 3 whose whose WP$ 33941 595 4 diameter diameter NN 33941 595 5 may may MD 33941 595 6 be be VB 33941 595 7 5 5 CD 33941 595 8 or or CC 33941 595 9 6 6 CD 33941 595 10 mm mm CD 33941 595 11 . . . 33941 596 1 greater great JJR 33941 596 2 than than IN 33941 596 3 that that DT 33941 596 4 of of IN 33941 596 5 _ _ NNP 33941 596 6 A A NNP 33941 596 7 _ _ NNP 33941 596 8 , , , 33941 596 9 is be VBZ 33941 596 10 prepared prepare VBN 33941 596 11 by by IN 33941 596 12 sealing seal VBG 33941 596 13 a a DT 33941 596 14 side side NN 33941 596 15 tube tube NN 33941 596 16 on on IN 33941 596 17 it -PRON- PRP 33941 596 18 at at IN 33941 596 19 _ _ NNP 33941 596 20 F F NNP 33941 596 21 _ _ NNP 33941 596 22 , , , 33941 596 23 after after IN 33941 596 24 previously previously RB 33941 596 25 contracting contract VBG 33941 596 26 the the DT 33941 596 27 end end NN 33941 596 28 _ _ NNP 33941 596 29 E E NNP 33941 596 30 _ _ NNP 33941 596 31 . . . 33941 597 1 For for IN 33941 597 2 this this DT 33941 597 3 purpose purpose NN 33941 597 4 the the DT 33941 597 5 end end NN 33941 597 6 _ _ NNP 33941 597 7 E E NNP 33941 597 8 _ _ NNP 33941 597 9 should should MD 33941 597 10 be be VB 33941 597 11 closed close VBN 33941 597 12 and and CC 33941 597 13 rounded rounded JJ 33941 597 14 , , , 33941 597 15 and and CC 33941 597 16 then then RB 33941 597 17 re re VB 33941 597 18 - - JJ 33941 597 19 heated heated JJ 33941 597 20 and and CC 33941 597 21 blown blow VBN 33941 597 22 out out RP 33941 597 23 till till IN 33941 597 24 the the DT 33941 597 25 bulb bulb NN 33941 597 26 bursts burst NNS 33941 597 27 . . . 33941 598 1 To to TO 33941 598 2 ensure ensure VB 33941 598 3 that that IN 33941 598 4 the the DT 33941 598 5 diameter diameter NN 33941 598 6 of of IN 33941 598 7 the the DT 33941 598 8 opening opening NN 33941 598 9 is be VBZ 33941 598 10 less less JJR 33941 598 11 than than IN 33941 598 12 that that DT 33941 598 13 of of IN 33941 598 14 the the DT 33941 598 15 tube tube NN 33941 598 16 , , , 33941 598 17 care care NN 33941 598 18 must must MD 33941 598 19 be be VB 33941 598 20 taken take VBN 33941 598 21 not not RB 33941 598 22 to to TO 33941 598 23 re re VB 33941 598 24 - - VB 33941 598 25 heat heat VB 33941 598 26 too too RB 33941 598 27 large large JJ 33941 598 28 an an DT 33941 598 29 area area NN 33941 598 30 of of IN 33941 598 31 the the DT 33941 598 32 end end NN 33941 598 33 before before IN 33941 598 34 blowing blow VBG 33941 598 35 it -PRON- PRP 33941 598 36 out out RP 33941 598 37 . . . 33941 599 1 It -PRON- PRP 33941 599 2 is be VBZ 33941 599 3 very very RB 33941 599 4 important important JJ 33941 599 5 that that IN 33941 599 6 the the DT 33941 599 7 cross cross NN 33941 599 8 section section NN 33941 599 9 at at IN 33941 599 10 _ _ NNP 33941 599 11 E E NNP 33941 599 12 _ _ NNP 33941 599 13 shall shall MD 33941 599 14 be be VB 33941 599 15 in in IN 33941 599 16 a a DT 33941 599 17 plane plane NN 33941 599 18 at at IN 33941 599 19 right right JJ 33941 599 20 angles angle NNS 33941 599 21 to to IN 33941 599 22 the the DT 33941 599 23 axis axi NNS 33941 599 24 of of IN 33941 599 25 the the DT 33941 599 26 tube tube NN 33941 599 27 . . . 33941 600 1 Wrap wrap VB 33941 600 2 a a DT 33941 600 3 strip strip NN 33941 600 4 of of IN 33941 600 5 writing write VBG 33941 600 6 paper paper NN 33941 600 7 , , , 33941 600 8 one one CD 33941 600 9 inch inch NN 33941 600 10 in in IN 33941 600 11 breadth breadth NN 33941 600 12 , , , 33941 600 13 closely closely RB 33941 600 14 round round IN 33941 600 15 the the DT 33941 600 16 end end NN 33941 600 17 of of IN 33941 600 18 _ _ NNP 33941 600 19 A A NNP 33941 600 20 _ _ NNP 33941 600 21 at at IN 33941 600 22 _ _ NNP 33941 600 23 C C NNP 33941 600 24 _ _ NNP 33941 600 25 till till IN 33941 600 26 the the DT 33941 600 27 tube tube NN 33941 600 28 and and CC 33941 600 29 paper paper NN 33941 600 30 will will MD 33941 600 31 only only RB 33941 600 32 just just RB 33941 600 33 pass pass VB 33941 600 34 easily easily RB 33941 600 35 into into IN 33941 600 36 the the DT 33941 600 37 mouth mouth NN 33941 600 38 _ _ NNP 33941 600 39 D D NNP 33941 600 40 _ _ NNP 33941 600 41 of of IN 33941 600 42 the the DT 33941 600 43 outer outer JJ 33941 600 44 tube tube NN 33941 600 45 , , , 33941 600 46 push push VB 33941 600 47 the the DT 33941 600 48 inner inner JJ 33941 600 49 tube tube NN 33941 600 50 _ _ NNP 33941 600 51 A A NNP 33941 600 52 _ _ NNP 33941 600 53 , , , 33941 600 54 with with IN 33941 600 55 the the DT 33941 600 56 paper paper NN 33941 600 57 upon upon IN 33941 600 58 it -PRON- PRP 33941 600 59 , , , 33941 600 60 into into IN 33941 600 61 _ _ NNP 33941 600 62 D D NNP 33941 600 63 _ _ NNP 33941 600 64 , , , 33941 600 65 and and CC 33941 600 66 when when WRB 33941 600 67 the the DT 33941 600 68 paper paper NN 33941 600 69 is be VBZ 33941 600 70 entirely entirely RB 33941 600 71 within within IN 33941 600 72 _ _ NNP 33941 600 73 D D NNP 33941 600 74 _ _ NNP 33941 600 75 , , , 33941 600 76 withdraw withdraw VB 33941 600 77 _ _ NNP 33941 600 78 A A NNP 33941 600 79 _ _ NNP 33941 600 80 , , , 33941 600 81 and and CC 33941 600 82 cautiously cautiously RB 33941 600 83 push push VBP 33941 600 84 the the DT 33941 600 85 paper paper NN 33941 600 86 a a DT 33941 600 87 little little JJ 33941 600 88 further far RBR 33941 600 89 into into IN 33941 600 90 the the DT 33941 600 91 outer outer JJ 33941 600 92 tube tube NN 33941 600 93 . . . 33941 601 1 Insert Insert NNP 33941 601 2 _ _ NNP 33941 601 3 A A NNP 33941 601 4 _ _ NNP 33941 601 5 into into IN 33941 601 6 _ _ NNP 33941 601 7 DE DE NNP 33941 601 8 _ _ NNP 33941 601 9 through through IN 33941 601 10 _ _ NNP 33941 601 11 E E NNP 33941 601 12 _ _ NNP 33941 601 13 , , , 33941 601 14 so so IN 33941 601 15 that that IN 33941 601 16 the the DT 33941 601 17 bulb bulb NN 33941 601 18 _ _ NNP 33941 601 19 B B NNP 33941 601 20 _ _ NNP 33941 601 21 is be VBZ 33941 601 22 embraced embrace VBN 33941 601 23 by by IN 33941 601 24 _ _ NNP 33941 601 25 E E NNP 33941 601 26 _ _ NNP 33941 601 27 . . . 33941 602 1 Close close JJ 33941 602 2 _ _ NNP 33941 602 3 D D NNP 33941 602 4 _ _ NNP 33941 602 5 with with IN 33941 602 6 a a DT 33941 602 7 cork cork NN 33941 602 8 . . . 33941 603 1 Ascertain ascertain VB 33941 603 2 that that IN 33941 603 3 the the DT 33941 603 4 paper paper NN 33941 603 5 does do VBZ 33941 603 6 not not RB 33941 603 7 fit fit VB 33941 603 8 sufficiently sufficiently RB 33941 603 9 tightly tightly RB 33941 603 10 between between IN 33941 603 11 the the DT 33941 603 12 two two CD 33941 603 13 tubes tube NNS 33941 603 14 to to TO 33941 603 15 prevent prevent VB 33941 603 16 the the DT 33941 603 17 free free JJ 33941 603 18 passage passage NN 33941 603 19 of of IN 33941 603 20 air air NN 33941 603 21 , , , 33941 603 22 by by IN 33941 603 23 blowing blow VBG 33941 603 24 into into IN 33941 603 25 the the DT 33941 603 26 mouth mouth NN 33941 603 27 _ _ NNP 33941 603 28 K K NNP 33941 603 29 _ _ NNP 33941 603 30 of of IN 33941 603 31 _ _ NNP 33941 603 32 A A NNP 33941 603 33 _ _ NNP 33941 603 34 . . . 33941 604 1 Air air NN 33941 604 2 should should MD 33941 604 3 escape escape VB 33941 604 4 freely freely RB 33941 604 5 from from IN 33941 604 6 _ _ NNP 33941 604 7 E E NNP 33941 604 8 _ _ NNP 33941 604 9 when when WRB 33941 604 10 this this DT 33941 604 11 is be VBZ 33941 604 12 done do VBN 33941 604 13 . . . 33941 605 1 Gradually gradually RB 33941 605 2 bring bring VB 33941 605 3 the the DT 33941 605 4 line line NN 33941 605 5 of of IN 33941 605 6 contact contact NN 33941 605 7 of of IN 33941 605 8 _ _ NNP 33941 605 9 B B NNP 33941 605 10 _ _ NNP 33941 605 11 and and CC 33941 605 12 _ _ NNP 33941 605 13 E E NNP 33941 605 14 _ _ NNP 33941 605 15 and and CC 33941 605 16 the the DT 33941 605 17 surrounding surround VBG 33941 605 18 parts part NNS 33941 605 19 of of IN 33941 605 20 the the DT 33941 605 21 tube tube NN 33941 605 22 before before IN 33941 605 23 a a DT 33941 605 24 pointed pointed JJ 33941 605 25 flame flame NN 33941 605 26 , , , 33941 605 27 after after IN 33941 605 28 previously previously RB 33941 605 29 warming warm VBG 33941 605 30 them -PRON- PRP 33941 605 31 by by IN 33941 605 32 holding hold VBG 33941 605 33 near near IN 33941 605 34 a a DT 33941 605 35 larger large JJR 33941 605 36 flame flame NN 33941 605 37 , , , 33941 605 38 and and CC 33941 605 39 rotate rotate VB 33941 605 40 them -PRON- PRP 33941 605 41 before before IN 33941 605 42 the the DT 33941 605 43 flame flame NN 33941 605 44 so so IN 33941 605 45 that that IN 33941 605 46 the the DT 33941 605 47 glass glass NN 33941 605 48 may may MD 33941 605 49 soften soften VB 33941 605 50 and and CC 33941 605 51 adhere adhere VB 33941 605 52 . . . 33941 606 1 Then then RB 33941 606 2 heat heat VB 33941 606 3 the the DT 33941 606 4 joint joint JJ 33941 606 5 spot spot NN 33941 606 6 by by IN 33941 606 7 spot spot NN 33941 606 8 as as IN 33941 606 9 usual usual JJ 33941 606 10 . . . 33941 607 1 In in IN 33941 607 2 blowing blow VBG 33941 607 3 this this DT 33941 607 4 joint joint NN 33941 607 5 , , , 33941 607 6 take take VB 33941 607 7 care care NN 33941 607 8 that that IN 33941 607 9 the the DT 33941 607 10 glass glass NN 33941 607 11 on on IN 33941 607 12 each each DT 33941 607 13 side side NN 33941 607 14 of of IN 33941 607 15 the the DT 33941 607 16 actual actual JJ 33941 607 17 joint joint NN 33941 607 18 is be VBZ 33941 607 19 slightly slightly RB 33941 607 20 expanded expand VBN 33941 607 21 . . . 33941 608 1 It -PRON- PRP 33941 608 2 should should MD 33941 608 3 present present VB 33941 608 4 the the DT 33941 608 5 form form NN 33941 608 6 shown show VBN 33941 608 7 by by IN 33941 608 8 the the DT 33941 608 9 dotted dotted JJ 33941 608 10 lines line NNS 33941 608 11 in in IN 33941 608 12 III III NNP 33941 608 13 . . . 33941 609 1 ( ( -LRB- 33941 609 2 these these DT 33941 609 3 are be VBP 33941 609 4 purposely purposely RB 33941 609 5 exaggerated exaggerated JJ 33941 609 6 , , , 33941 609 7 however however RB 33941 609 8 ) ) -RRB- 33941 609 9 . . . 33941 610 1 Finally finally RB 33941 610 2 , , , 33941 610 3 heat heat VB 33941 610 4 the the DT 33941 610 5 whole whole JJ 33941 610 6 joint joint NN 33941 610 7 between between IN 33941 610 8 the the DT 33941 610 9 lines line NNS 33941 610 10 _ _ NNP 33941 610 11 JI JI NNP 33941 610 12 _ _ NNP 33941 610 13 till till IN 33941 610 14 it -PRON- PRP 33941 610 15 softens soften VBZ 33941 610 16 , , , 33941 610 17 and and CC 33941 610 18 simultaneously simultaneously RB 33941 610 19 blow blow VB 33941 610 20 and and CC 33941 610 21 draw draw VB 33941 610 22 it -PRON- PRP 33941 610 23 into into IN 33941 610 24 its -PRON- PRP$ 33941 610 25 final final JJ 33941 610 26 shape shape NN 33941 610 27 as as IN 33941 610 28 seen see VBN 33941 610 29 at at IN 33941 610 30 III iii CD 33941 610 31 . . . 33941 611 1 The the DT 33941 611 2 side side NN 33941 611 3 tube tube NN 33941 611 4 _ _ NNP 33941 611 5 F F NNP 33941 611 6 _ _ NNP 33941 611 7 should should MD 33941 611 8 not not RB 33941 611 9 be be VB 33941 611 10 too too RB 33941 611 11 near near IN 33941 611 12 the the DT 33941 611 13 end end NN 33941 611 14 _ _ NNP 33941 611 15 E E NNP 33941 611 16 _ _ NNP 33941 611 17 . . . 33941 612 1 If if IN 33941 612 2 , , , 33941 612 3 however however RB 33941 612 4 , , , 33941 612 5 it -PRON- PRP 33941 612 6 is be VBZ 33941 612 7 necessary necessary JJ 33941 612 8 to to TO 33941 612 9 have have VB 33941 612 10 them -PRON- PRP 33941 612 11 close close JJ 33941 612 12 together together RB 33941 612 13 , , , 33941 612 14 the the DT 33941 612 15 joint joint JJ 33941 612 16 _ _ NNP 33941 612 17 F F NNP 33941 612 18 _ _ NNP 33941 612 19 must must MD 33941 612 20 be be VB 33941 612 21 very very RB 33941 612 22 carefully carefully RB 33941 612 23 annealed anneal VBN 33941 612 24 when when WRB 33941 612 25 it -PRON- PRP 33941 612 26 is be VBZ 33941 612 27 made make VBN 33941 612 28 ; ; : 33941 612 29 it -PRON- PRP 33941 612 30 must must MD 33941 612 31 also also RB 33941 612 32 be be VB 33941 612 33 very very RB 33941 612 34 cautiously cautiously RB 33941 612 35 warmed warm VBN 33941 612 36 up up RP 33941 612 37 before before IN 33941 612 38 the the DT 33941 612 39 construction construction NN 33941 612 40 of of IN 33941 612 41 the the DT 33941 612 42 joint joint NN 33941 612 43 at at IN 33941 612 44 _ _ NNP 33941 612 45 H H NNP 33941 612 46 _ _ NNP 33941 612 47 is be VBZ 33941 612 48 begun begin VBN 33941 612 49 , , , 33941 612 50 and and CC 33941 612 51 must must MD 33941 612 52 be be VB 33941 612 53 kept keep VBN 33941 612 54 warm warm JJ 33941 612 55 by by IN 33941 612 56 letting let VBG 33941 612 57 the the DT 33941 612 58 flame flame NN 33941 612 59 play play NN 33941 612 60 over over IN 33941 612 61 it -PRON- PRP 33941 612 62 from from IN 33941 612 63 time time NN 33941 612 64 to to IN 33941 612 65 time time NN 33941 612 66 during during IN 33941 612 67 the the DT 33941 612 68 process process NN 33941 612 69 of of IN 33941 612 70 making make VBG 33941 612 71 the the DT 33941 612 72 latter latter JJ 33941 612 73 joint joint NN 33941 612 74 . . . 33941 613 1 A a DT 33941 613 2 good good JJ 33941 613 3 joint joint NN 33941 613 4 may may MD 33941 613 5 be be VB 33941 613 6 recognised recognise VBN 33941 613 7 by by IN 33941 613 8 its -PRON- PRP$ 33941 613 9 freedom freedom NN 33941 613 10 from from IN 33941 613 11 lumps lump NNS 33941 613 12 of of IN 33941 613 13 glass glass NN 33941 613 14 , , , 33941 613 15 its -PRON- PRP$ 33941 613 16 regularity regularity NN 33941 613 17 of of IN 33941 613 18 curve curve NN 33941 613 19 , , , 33941 613 20 and and CC 33941 613 21 by by IN 33941 613 22 a a DT 33941 613 23 sensibly sensibly RB 33941 613 24 circular circular JJ 33941 613 25 line line NN 33941 613 26 at at IN 33941 613 27 _ _ NNP 33941 613 28 H H NNP 33941 613 29 _ _ NNP 33941 613 30 , , , 33941 613 31 where where WRB 33941 613 32 the the DT 33941 613 33 two two CD 33941 613 34 tubes tube NNS 33941 613 35 are be VBP 33941 613 36 united united JJ 33941 613 37 . . . 33941 614 1 When when WRB 33941 614 2 the the DT 33941 614 3 joint joint NN 33941 614 4 after after IN 33941 614 5 annealing anneal VBG 33941 614 6 has have VBZ 33941 614 7 become become VBN 33941 614 8 quite quite RB 33941 614 9 cold cold JJ 33941 614 10 , , , 33941 614 11 the the DT 33941 614 12 pin pin NN 33941 614 13 - - HYPH 33941 614 14 hole hole NN 33941 614 15 at at IN 33941 614 16 _ _ NNP 33941 614 17 C C NNP 33941 614 18 _ _ NNP 33941 614 19 on on IN 33941 614 20 the the DT 33941 614 21 inner inner JJ 33941 614 22 tube tube NN 33941 614 23 may may MD 33941 614 24 be be VB 33941 614 25 closed close VBN 33941 614 26 , , , 33941 614 27 after after IN 33941 614 28 removing remove VBG 33941 614 29 the the DT 33941 614 30 paper paper NN 33941 614 31 support support NN 33941 614 32 , , , 33941 614 33 by by IN 33941 614 34 warming warm VBG 33941 614 35 the the DT 33941 614 36 outer outer JJ 33941 614 37 tube tube NN 33941 614 38 , , , 33941 614 39 and and CC 33941 614 40 then then RB 33941 614 41 directing direct VBG 33941 614 42 a a DT 33941 614 43 fine fine JJ 33941 614 44 pointed pointed JJ 33941 614 45 flame flame NN 33941 614 46 through through IN 33941 614 47 _ _ NNP 33941 614 48 D D NNP 33941 614 49 _ _ NNP 33941 614 50 on on IN 33941 614 51 to to IN 33941 614 52 _ _ NNP 33941 614 53 C C NNP 33941 614 54 _ _ NNP 33941 614 55 . . . 33941 615 1 And and CC 33941 615 2 the the DT 33941 615 3 end end NN 33941 615 4 _ _ NNP 33941 615 5 D D NNP 33941 615 6 _ _ NNP 33941 615 7 of of IN 33941 615 8 the the DT 33941 615 9 outer outer JJ 33941 615 10 tube tube NN 33941 615 11 may may MD 33941 615 12 be be VB 33941 615 13 closed close VBN 33941 615 14 in in IN 33941 615 15 the the DT 33941 615 16 ordinary ordinary JJ 33941 615 17 manner manner NN 33941 615 18 , , , 33941 615 19 or or CC 33941 615 20 a a DT 33941 615 21 narrow narrow JJ 33941 615 22 tube tube NN 33941 615 23 may may MD 33941 615 24 be be VB 33941 615 25 sealed seal VBN 33941 615 26 to to IN 33941 615 27 it -PRON- PRP 33941 615 28 . . . 33941 616 1 As as IN 33941 616 2 the the DT 33941 616 3 end end NN 33941 616 4 of of IN 33941 616 5 glass glass NN 33941 616 6 at at IN 33941 616 7 _ _ NNP 33941 616 8 D D NNP 33941 616 9 _ _ NNP 33941 616 10 will will MD 33941 616 11 be be VB 33941 616 12 too too RB 33941 616 13 short short JJ 33941 616 14 to to TO 33941 616 15 be be VB 33941 616 16 held hold VBN 33941 616 17 by by IN 33941 616 18 the the DT 33941 616 19 fingers finger NNS 33941 616 20 when when WRB 33941 616 21 hot hot JJ 33941 616 22 , , , 33941 616 23 another another DT 33941 616 24 piece piece NN 33941 616 25 of of IN 33941 616 26 tube tube NN 33941 616 27 of of IN 33941 616 28 similar similar JJ 33941 616 29 diameter diameter NN 33941 616 30 must must MD 33941 616 31 be be VB 33941 616 32 attached attach VBN 33941 616 33 to to IN 33941 616 34 it -PRON- PRP 33941 616 35 to to TO 33941 616 36 serve serve VB 33941 616 37 as as IN 33941 616 38 a a DT 33941 616 39 handle handle NN 33941 616 40 ( ( -LRB- 33941 616 41 see see VB 33941 616 42 p. p. NN 33941 616 43 35 35 CD 33941 616 44 , , , 33941 616 45 Fig Fig NNP 33941 616 46 . . . 33941 617 1 9 9 LS 33941 617 2 ) ) -RRB- 33941 617 3 . . . 33941 618 1 = = NFP 33941 618 2 Blowing blow VBG 33941 618 3 a a DT 33941 618 4 Bulb Bulb NNP 33941 618 5 or or CC 33941 618 6 Globe Globe NNP 33941 618 7 of of IN 33941 618 8 Glass.=--For glass.=--for NN 33941 618 9 this this DT 33941 618 10 purpose purpose NN 33941 618 11 it -PRON- PRP 33941 618 12 is be VBZ 33941 618 13 very very RB 33941 618 14 important important JJ 33941 618 15 that that IN 33941 618 16 the the DT 33941 618 17 glass glass NN 33941 618 18 tube tube NN 33941 618 19 employed employ VBN 33941 618 20 shall shall MD 33941 618 21 be be VB 33941 618 22 of of IN 33941 618 23 uniform uniform JJ 33941 618 24 substance substance NN 33941 618 25 . . . 33941 619 1 The the DT 33941 619 2 size size NN 33941 619 3 and and CC 33941 619 4 thickness thickness NN 33941 619 5 of of IN 33941 619 6 the the DT 33941 619 7 tube tube NN 33941 619 8 to to TO 33941 619 9 be be VB 33941 619 10 employed employ VBN 33941 619 11 depends depend VBZ 33941 619 12 partly partly RB 33941 619 13 on on IN 33941 619 14 the the DT 33941 619 15 dimensions dimension NNS 33941 619 16 of of IN 33941 619 17 the the DT 33941 619 18 bulb bulb NN 33941 619 19 desired desire VBN 33941 619 20 , , , 33941 619 21 and and CC 33941 619 22 partly partly RB 33941 619 23 on on IN 33941 619 24 the the DT 33941 619 25 size size NN 33941 619 26 of of IN 33941 619 27 neck neck NN 33941 619 28 that that WDT 33941 619 29 is be VBZ 33941 619 30 required require VBN 33941 619 31 for for IN 33941 619 32 the the DT 33941 619 33 bulb bulb NN 33941 619 34 . . . 33941 620 1 It -PRON- PRP 33941 620 2 is be VBZ 33941 620 3 easier easy JJR 33941 620 4 to to TO 33941 620 5 blow blow VB 33941 620 6 large large JJ 33941 620 7 bulbs bulb NNS 33941 620 8 on on IN 33941 620 9 large large JJ 33941 620 10 - - HYPH 33941 620 11 sized sized JJ 33941 620 12 tubes tube NNS 33941 620 13 than than IN 33941 620 14 on on IN 33941 620 15 those those DT 33941 620 16 of of IN 33941 620 17 smaller small JJR 33941 620 18 size size NN 33941 620 19 . . . 33941 621 1 When when WRB 33941 621 2 it -PRON- PRP 33941 621 3 is be VBZ 33941 621 4 necessary necessary JJ 33941 621 5 to to TO 33941 621 6 make make VB 33941 621 7 a a DT 33941 621 8 large large JJ 33941 621 9 globe globe NN 33941 621 10 on on IN 33941 621 11 a a DT 33941 621 12 small small JJ 33941 621 13 tube tube NN 33941 621 14 , , , 33941 621 15 it -PRON- PRP 33941 621 16 can can MD 33941 621 17 be be VB 33941 621 18 done do VBN 33941 621 19 , , , 33941 621 20 however however RB 33941 621 21 , , , 33941 621 22 if if IN 33941 621 23 great great JJ 33941 621 24 care care NN 33941 621 25 be be VB 33941 621 26 taken take VBN 33941 621 27 to to TO 33941 621 28 avoid avoid VB 33941 621 29 overheating overheat VBG 33941 621 30 that that DT 33941 621 31 part part NN 33941 621 32 of of IN 33941 621 33 the the DT 33941 621 34 small small JJ 33941 621 35 tube tube NN 33941 621 36 which which WDT 33941 621 37 is be VBZ 33941 621 38 nearest near JJS 33941 621 39 to to IN 33941 621 40 the the DT 33941 621 41 mass mass NN 33941 621 42 of of IN 33941 621 43 viscous viscous JJ 33941 621 44 glass glass NN 33941 621 45 from from IN 33941 621 46 which which WDT 33941 621 47 the the DT 33941 621 48 bulb bulb NN 33941 621 49 is be VBZ 33941 621 50 to to TO 33941 621 51 be be VB 33941 621 52 formed form VBN 33941 621 53 . . . 33941 622 1 For for IN 33941 622 2 the the DT 33941 622 3 purpose purpose NN 33941 622 4 of of IN 33941 622 5 blowing blow VBG 33941 622 6 a a DT 33941 622 7 very very RB 33941 622 8 large large JJ 33941 622 9 bulb bulb NN 33941 622 10 on on IN 33941 622 11 a a DT 33941 622 12 small small JJ 33941 622 13 tube tube NN 33941 622 14 , , , 33941 622 15 it -PRON- PRP 33941 622 16 is be VBZ 33941 622 17 best good JJS 33941 622 18 to to TO 33941 622 19 unite unite VB 33941 622 20 a a DT 33941 622 21 wide wide JJ 33941 622 22 tube tube NN 33941 622 23 to to IN 33941 622 24 that that DT 33941 622 25 which which WDT 33941 622 26 is be VBZ 33941 622 27 to to TO 33941 622 28 serve serve VB 33941 622 29 as as IN 33941 622 30 the the DT 33941 622 31 neck neck NN 33941 622 32 , , , 33941 622 33 as as IN 33941 622 34 it -PRON- PRP 33941 622 35 will will MD 33941 622 36 save save VB 33941 622 37 some some DT 33941 622 38 time time NN 33941 622 39 in in IN 33941 622 40 collecting collect VBG 33941 622 41 the the DT 33941 622 42 necessary necessary JJ 33941 622 43 mass mass NN 33941 622 44 of of IN 33941 622 45 glass glass NN 33941 622 46 from from IN 33941 622 47 which which WDT 33941 622 48 to to TO 33941 622 49 form form VB 33941 622 50 the the DT 33941 622 51 globe globe NN 33941 622 52 . . . 33941 623 1 [ [ -LRB- 33941 623 2 Illustration illustration NN 33941 623 3 : : : 33941 623 4 FIG FIG NNP 33941 623 5 . . . 33941 624 1 20 20 CD 33941 624 2 . . . 33941 624 3 ] ] -RRB- 33941 625 1 _ _ NNP 33941 625 2 To to TO 33941 625 3 blow blow VB 33941 625 4 a a DT 33941 625 5 Bulb Bulb NNP 33941 625 6 at at IN 33941 625 7 the the DT 33941 625 8 End end NN 33941 625 9 of of IN 33941 625 10 a a DT 33941 625 11 Tube._--Select Tube._--Select NNP 33941 625 12 a a DT 33941 625 13 good good JJ 33941 625 14 piece piece NN 33941 625 15 of of IN 33941 625 16 tube tube NN 33941 625 17 , , , 33941 625 18 say say VBP 33941 625 19 1·5 1·5 NNP 33941 625 20 cm cm NNP 33941 625 21 . . . 33941 626 1 in in IN 33941 626 2 diameter diameter NN 33941 626 3 , , , 33941 626 4 and and CC 33941 626 5 about about RB 33941 626 6 30 30 CD 33941 626 7 cm cm NNS 33941 626 8 . . . 33941 627 1 long long RB 33941 627 2 ; ; : 33941 627 3 draw draw VB 33941 627 4 out out RP 33941 627 5 one one CD 33941 627 6 end end NN 33941 627 7 to to IN 33941 627 8 a a DT 33941 627 9 light light JJ 33941 627 10 tail tail NN 33941 627 11 ( ( -LRB- 33941 627 12 _ _ NNP 33941 627 13 a a DT 33941 627 14 _ _ NNP 33941 627 15 , , , 33941 627 16 Fig Fig NNP 33941 627 17 . . . 33941 628 1 20 20 CD 33941 628 2 ) ) -RRB- 33941 628 3 about about RB 33941 628 4 3 3 CD 33941 628 5 inches inch NNS 33941 628 6 in in IN 33941 628 7 length length NN 33941 628 8 . . . 33941 629 1 Then then RB 33941 629 2 heat heat VB 33941 629 3 up up RP 33941 629 4 a a DT 33941 629 5 _ _ NNP 33941 629 6 short short JJ 33941 629 7 _ _ NNP 33941 629 8 length length NN 33941 629 9 of of IN 33941 629 10 the the DT 33941 629 11 tube tube NN 33941 629 12 at at IN 33941 629 13 _ _ NNP 33941 629 14 b b NNP 33941 629 15 _ _ NNP 33941 629 16 , , , 33941 629 17 with with IN 33941 629 18 a a DT 33941 629 19 small small JJ 33941 629 20 brush brush NN 33941 629 21 flame flame NN 33941 629 22 , , , 33941 629 23 by by IN 33941 629 24 rotating rotate VBG 33941 629 25 the the DT 33941 629 26 glass glass NN 33941 629 27 in in IN 33941 629 28 the the DT 33941 629 29 flame flame NN 33941 629 30 , , , 33941 629 31 and and CC 33941 629 32 gently gently RB 33941 629 33 press press VB 33941 629 34 it -PRON- PRP 33941 629 35 together together RB 33941 629 36 when when WRB 33941 629 37 soft soft JJ 33941 629 38 to to TO 33941 629 39 thicken thicken VB 33941 629 40 it -PRON- PRP 33941 629 41 ; ; : 33941 629 42 blow blow VB 33941 629 43 into into IN 33941 629 44 it -PRON- PRP 33941 629 45 if if IN 33941 629 46 necessary necessary JJ 33941 629 47 to to TO 33941 629 48 preserve preserve VB 33941 629 49 the the DT 33941 629 50 regularity regularity NN 33941 629 51 of of IN 33941 629 52 its -PRON- PRP$ 33941 629 53 figure figure NN 33941 629 54 . . . 33941 630 1 Repeat repeat VB 33941 630 2 this this DT 33941 630 3 process process NN 33941 630 4 on on IN 33941 630 5 the the DT 33941 630 6 portion portion NN 33941 630 7 of of IN 33941 630 8 tube tube NN 33941 630 9 nearest nearest RB 33941 630 10 to to IN 33941 630 11 that that DT 33941 630 12 which which WDT 33941 630 13 has have VBZ 33941 630 14 been be VBN 33941 630 15 first first RB 33941 630 16 thickened thicken VBN 33941 630 17 , , , 33941 630 18 and and CC 33941 630 19 so so RB 33941 630 20 on on RB 33941 630 21 , , , 33941 630 22 till till IN 33941 630 23 as as RB 33941 630 24 much much JJ 33941 630 25 glass glass NN 33941 630 26 has have VBZ 33941 630 27 been be VBN 33941 630 28 heated heat VBN 33941 630 29 and and CC 33941 630 30 thickened thicken VBN 33941 630 31 as as IN 33941 630 32 you -PRON- PRP 33941 630 33 judge judge VBP 33941 630 34 will will MD 33941 630 35 serve serve VB 33941 630 36 to to TO 33941 630 37 make make VB 33941 630 38 a a DT 33941 630 39 bulb bulb NN 33941 630 40 of of IN 33941 630 41 the the DT 33941 630 42 size size NN 33941 630 43 desired desire VBN 33941 630 44 . . . 33941 631 1 You -PRON- PRP 33941 631 2 should should MD 33941 631 3 have have VB 33941 631 4 a a DT 33941 631 5 mass mass NN 33941 631 6 of of IN 33941 631 7 glass glass NN 33941 631 8 somewhat somewhat RB 33941 631 9 resembling resemble VBG 33941 631 10 that that IN 33941 631 11 shown show VBN 33941 631 12 at at IN 33941 631 13 _ _ NNP 33941 631 14 B B NNP 33941 631 15 _ _ NNP 33941 631 16 ( ( -LRB- 33941 631 17 Fig Fig NNP 33941 631 18 . . . 33941 632 1 20 20 CD 33941 632 2 ) ) -RRB- 33941 632 3 , , , 33941 632 4 but but CC 33941 632 5 probably probably RB 33941 632 6 consisting consist VBG 33941 632 7 of of IN 33941 632 8 the the DT 33941 632 9 results result NNS 33941 632 10 of of IN 33941 632 11 more more JJR 33941 632 12 successive successive JJ 33941 632 13 operations operation NNS 33941 632 14 than than IN 33941 632 15 are be VBP 33941 632 16 suggested suggest VBN 33941 632 17 in in IN 33941 632 18 that that DT 33941 632 19 diagram diagram NN 33941 632 20 . . . 33941 633 1 Apply apply VB 33941 633 2 the the DT 33941 633 3 flame flame NN 33941 633 4 as as IN 33941 633 5 before before IN 33941 633 6 to to IN 33941 633 7 the the DT 33941 633 8 narrower narrow JJR 33941 633 9 parts part NNS 33941 633 10 _ _ NNP 33941 633 11 cc cc NNP 33941 633 12 _ _ NNP 33941 633 13 of of IN 33941 633 14 _ _ NNP 33941 633 15 B B NNP 33941 633 16 _ _ NNP 33941 633 17 , , , 33941 633 18 gently gently RB 33941 633 19 compress compress NN 33941 633 20 and and CC 33941 633 21 blow blow VBP 33941 633 22 until until IN 33941 633 23 all all PDT 33941 633 24 the the DT 33941 633 25 small small JJ 33941 633 26 bulbs bulb NNS 33941 633 27 first first RB 33941 633 28 made make VBN 33941 633 29 are be VBP 33941 633 30 brought bring VBN 33941 633 31 together together RB 33941 633 32 into into IN 33941 633 33 a a DT 33941 633 34 mass mass NN 33941 633 35 still still RB 33941 633 36 somewhat somewhat RB 33941 633 37 resembling resemble VBG 33941 633 38 the the DT 33941 633 39 enlarged enlarged JJ 33941 633 40 end end NN 33941 633 41 of of IN 33941 633 42 _ _ NNP 33941 633 43 B B NNP 33941 633 44 _ _ NNP 33941 633 45 , , , 33941 633 46 but but CC 33941 633 47 more more RBR 33941 633 48 nearly nearly RB 33941 633 49 cylindrical cylindrical JJ 33941 633 50 , , , 33941 633 51 with with IN 33941 633 52 the the DT 33941 633 53 glass glass NN 33941 633 54 as as RB 33941 633 55 regularly regularly RB 33941 633 56 distributed distribute VBN 33941 633 57 as as IN 33941 633 58 possible possible JJ 33941 633 59 , , , 33941 633 60 and and CC 33941 633 61 of of IN 33941 633 62 such such JJ 33941 633 63 length length NN 33941 633 64 from from IN 33941 633 65 _ _ NNP 33941 633 66 d d NNP 33941 633 67 _ _ NNP 33941 633 68 to to IN 33941 633 69 the the DT 33941 633 70 contracted contract VBN 33941 633 71 part part NN 33941 633 72 that that IN 33941 633 73 the the DT 33941 633 74 whole whole NN 33941 633 75 of of IN 33941 633 76 it -PRON- PRP 33941 633 77 may may MD 33941 633 78 easily easily RB 33941 633 79 be be VB 33941 633 80 heated heat VBN 33941 633 81 simultaneously simultaneously RB 33941 633 82 with with IN 33941 633 83 the the DT 33941 633 84 large large JJ 33941 633 85 brush brush NN 33941 633 86 flame flame NN 33941 633 87 of of IN 33941 633 88 your -PRON- PRP$ 33941 633 89 blow blow NN 33941 633 90 - - HYPH 33941 633 91 pipe pipe NN 33941 633 92 . . . 33941 634 1 Take take VB 33941 634 2 great great JJ 33941 634 3 care care NN 33941 634 4 in in IN 33941 634 5 the the DT 33941 634 6 foregoing forego VBG 33941 634 7 operations operation NNS 33941 634 8 not not RB 33941 634 9 to to TO 33941 634 10 allow allow VB 33941 634 11 the the DT 33941 634 12 sides side NNS 33941 634 13 of of IN 33941 634 14 the the DT 33941 634 15 mass mass NN 33941 634 16 of of IN 33941 634 17 glass glass NN 33941 634 18 to to TO 33941 634 19 fall fall VB 33941 634 20 in in RP 33941 634 21 and and CC 33941 634 22 run run VB 33941 634 23 together together RB 33941 634 24 , , , 33941 634 25 and and CC 33941 634 26 , , , 33941 634 27 on on IN 33941 634 28 the the DT 33941 634 29 other other JJ 33941 634 30 hand hand NN 33941 634 31 , , , 33941 634 32 do do VBP 33941 634 33 not not RB 33941 634 34 reduce reduce VB 33941 634 35 the the DT 33941 634 36 thickness thickness NN 33941 634 37 of of IN 33941 634 38 the the DT 33941 634 39 glass glass NN 33941 634 40 needlessly needlessly RB 33941 634 41 by by IN 33941 634 42 blowing blow VBG 33941 634 43 it -PRON- PRP 33941 634 44 more more RBR 33941 634 45 than than IN 33941 634 46 is be VBZ 33941 634 47 necessary necessary JJ 33941 634 48 to to TO 33941 634 49 give give VB 33941 634 50 the the DT 33941 634 51 glass glass NN 33941 634 52 as as IN 33941 634 53 regular regular JJ 33941 634 54 a a DT 33941 634 55 form form NN 33941 634 56 as as IN 33941 634 57 possible possible JJ 33941 634 58 . . . 33941 635 1 When when WRB 33941 635 2 you -PRON- PRP 33941 635 3 are be VBP 33941 635 4 satisfied satisfied JJ 33941 635 5 with with IN 33941 635 6 the the DT 33941 635 7 mass mass NN 33941 635 8 of of IN 33941 635 9 glass glass NN 33941 635 10 you -PRON- PRP 33941 635 11 have have VBP 33941 635 12 collected collect VBN 33941 635 13 , , , 33941 635 14 melt melt VB 33941 635 15 off off RP 33941 635 16 the the DT 33941 635 17 tail tail NN 33941 635 18 _ _ NNP 33941 635 19 a a DT 33941 635 20 _ _ NNP 33941 635 21 , , , 33941 635 22 and and CC 33941 635 23 remove remove VB 33941 635 24 the the DT 33941 635 25 pointed pointed JJ 33941 635 26 end end NN 33941 635 27 of of IN 33941 635 28 glass glass NN 33941 635 29 that that WDT 33941 635 30 remains remain VBZ 33941 635 31 , , , 33941 635 32 as as IN 33941 635 33 directed direct VBN 33941 635 34 on on IN 33941 635 35 page page NN 33941 635 36 33 33 CD 33941 635 37 . . . 33941 636 1 Turn turn VB 33941 636 2 on on RP 33941 636 3 as as RB 33941 636 4 large large JJ 33941 636 5 a a DT 33941 636 6 brush brush NN 33941 636 7 flame flame NN 33941 636 8 as as IN 33941 636 9 is be VBZ 33941 636 10 necessary necessary JJ 33941 636 11 to to TO 33941 636 12 envelop envelop VB 33941 636 13 the the DT 33941 636 14 whole whole JJ 33941 636 15 mass mass NN 33941 636 16 of of IN 33941 636 17 glass glass NN 33941 636 18 that that WDT 33941 636 19 you -PRON- PRP 33941 636 20 have have VBP 33941 636 21 collected collect VBN 33941 636 22 , , , 33941 636 23 and and CC 33941 636 24 heat heat VB 33941 636 25 it -PRON- PRP 33941 636 26 with with IN 33941 636 27 constant constant JJ 33941 636 28 rotation rotation NN 33941 636 29 , , , 33941 636 30 so so IN 33941 636 31 that that IN 33941 636 32 it -PRON- PRP 33941 636 33 may may MD 33941 636 34 gradually gradually RB 33941 636 35 run run VB 33941 636 36 together together RB 33941 636 37 to to IN 33941 636 38 the the DT 33941 636 39 form form NN 33941 636 40 seen see VBN 33941 636 41 at at IN 33941 636 42 _ _ NNP 33941 636 43 C C NNP 33941 636 44 _ _ NNP 33941 636 45 ( ( -LRB- 33941 636 46 Fig Fig NNP 33941 636 47 . . . 33941 637 1 20 20 CD 33941 637 2 ) ) -RRB- 33941 637 3 , , , 33941 637 4 taking take VBG 33941 637 5 care care NN 33941 637 6 that that IN 33941 637 7 it -PRON- PRP 33941 637 8 does do VBZ 33941 637 9 not not RB 33941 637 10 get get VB 33941 637 11 overheated overheat VBN 33941 637 12 near near IN 33941 637 13 _ _ NNP 33941 637 14 d d NNP 33941 637 15 _ _ NNP 33941 637 16 , , , 33941 637 17 or or CC 33941 637 18 the the DT 33941 637 19 tube tube NN 33941 637 20 which which WDT 33941 637 21 is be VBZ 33941 637 22 to to TO 33941 637 23 form form VB 33941 637 24 the the DT 33941 637 25 neck neck NN 33941 637 26 will will MD 33941 637 27 soften soften VB 33941 637 28 and and CC 33941 637 29 give give VB 33941 637 30 way way NN 33941 637 31 . . . 33941 638 1 The the DT 33941 638 2 position position NN 33941 638 3 in in IN 33941 638 4 which which WDT 33941 638 5 the the DT 33941 638 6 mass mass NN 33941 638 7 of of IN 33941 638 8 heated heated JJ 33941 638 9 glass glass NN 33941 638 10 is be VBZ 33941 638 11 to to TO 33941 638 12 be be VB 33941 638 13 held hold VBN 33941 638 14 will will MD 33941 638 15 depend depend VB 33941 638 16 upon upon IN 33941 638 17 circumstances circumstance NNS 33941 638 18 ; ; : 33941 638 19 if if IN 33941 638 20 the the DT 33941 638 21 mass mass NN 33941 638 22 of of IN 33941 638 23 glass glass NN 33941 638 24 be be VB 33941 638 25 not not RB 33941 638 26 too too RB 33941 638 27 great great JJ 33941 638 28 , , , 33941 638 29 it -PRON- PRP 33941 638 30 is be VBZ 33941 638 31 best good JJS 33941 638 32 to to TO 33941 638 33 keep keep VB 33941 638 34 it -PRON- PRP 33941 638 35 in in IN 33941 638 36 a a DT 33941 638 37 nearly nearly RB 33941 638 38 horizontal horizontal JJ 33941 638 39 position position NN 33941 638 40 . . . 33941 639 1 If if IN 33941 639 2 the the DT 33941 639 3 mass mass NN 33941 639 4 of of IN 33941 639 5 glass glass NN 33941 639 6 be be VB 33941 639 7 very very RB 33941 639 8 large large JJ 33941 639 9 , , , 33941 639 10 it -PRON- PRP 33941 639 11 may may MD 33941 639 12 be be VB 33941 639 13 necessary necessary JJ 33941 639 14 to to TO 33941 639 15 incline incline VB 33941 639 16 the the DT 33941 639 17 end end NN 33941 639 18 _ _ NNP 33941 639 19 B B NNP 33941 639 20 _ _ NNP 33941 639 21 downwards downwards RB 33941 639 22 ; ; : 33941 639 23 but but CC 33941 639 24 as as IN 33941 639 25 that that DT 33941 639 26 is be VBZ 33941 639 27 apt apt JJ 33941 639 28 to to TO 33941 639 29 result result VB 33941 639 30 in in IN 33941 639 31 an an DT 33941 639 32 excess excess NN 33941 639 33 of of IN 33941 639 34 glass glass NN 33941 639 35 accumulating accumulate VBG 33941 639 36 towards towards IN 33941 639 37 _ _ NNP 33941 639 38 d d NNP 33941 639 39 _ _ NNP 33941 639 40 , , , 33941 639 41 avoid avoid VB 33941 639 42 doing do VBG 33941 639 43 so so RB 33941 639 44 if if IN 33941 639 45 possible possible JJ 33941 639 46 by by IN 33941 639 47 rotating rotate VBG 33941 639 48 the the DT 33941 639 49 glass glass NN 33941 639 50 steadily steadily RB 33941 639 51 and and CC 33941 639 52 rapidly rapidly RB 33941 639 53 . . . 33941 640 1 If if IN 33941 640 2 at at IN 33941 640 3 any any DT 33941 640 4 time time NN 33941 640 5 the the DT 33941 640 6 glass glass NN 33941 640 7 shows show VBZ 33941 640 8 indications indication NNS 33941 640 9 of of IN 33941 640 10 collapsing collapse VBG 33941 640 11 , , , 33941 640 12 it -PRON- PRP 33941 640 13 must must MD 33941 640 14 be be VB 33941 640 15 removed remove VBN 33941 640 16 from from IN 33941 640 17 the the DT 33941 640 18 flame flame NN 33941 640 19 and and CC 33941 640 20 gently gently RB 33941 640 21 blown blow VBN 33941 640 22 into into IN 33941 640 23 shape shape NN 33941 640 24 , , , 33941 640 25 during during IN 33941 640 26 which which WDT 33941 640 27 operation operation NN 33941 640 28 it -PRON- PRP 33941 640 29 may may MD 33941 640 30 be be VB 33941 640 31 rotated rotate VBN 33941 640 32 in in IN 33941 640 33 the the DT 33941 640 34 perpendicular perpendicular JJ 33941 640 35 position position NN 33941 640 36 ; ; : 33941 640 37 indeed indeed RB 33941 640 38 , , , 33941 640 39 to to TO 33941 640 40 promote promote VB 33941 640 41 a a DT 33941 640 42 regular regular JJ 33941 640 43 distribution distribution NN 33941 640 44 of of IN 33941 640 45 the the DT 33941 640 46 glass glass NN 33941 640 47 by by IN 33941 640 48 allowing allow VBG 33941 640 49 it -PRON- PRP 33941 640 50 plenty plenty NN 33941 640 51 of of IN 33941 640 52 time time NN 33941 640 53 to to TO 33941 640 54 collect collect VB 33941 640 55 , , , 33941 640 56 it -PRON- PRP 33941 640 57 is be VBZ 33941 640 58 well well RB 33941 640 59 from from IN 33941 640 60 time time NN 33941 640 61 to to IN 33941 640 62 time time NN 33941 640 63 to to TO 33941 640 64 remove remove VB 33941 640 65 the the DT 33941 640 66 heated heated JJ 33941 640 67 mass mass NN 33941 640 68 of of IN 33941 640 69 glass glass NN 33941 640 70 from from IN 33941 640 71 the the DT 33941 640 72 flame flame NN 33941 640 73 , , , 33941 640 74 and and CC 33941 640 75 slightly slightly RB 33941 640 76 expand expand VB 33941 640 77 it -PRON- PRP 33941 640 78 by by IN 33941 640 79 blowing blow VBG 33941 640 80 . . . 33941 641 1 Finally finally RB 33941 641 2 , , , 33941 641 3 when when WRB 33941 641 4 a a DT 33941 641 5 regular regular JJ 33941 641 6 mass mass NN 33941 641 7 of of IN 33941 641 8 glass glass NN 33941 641 9 , , , 33941 641 10 such such JJ 33941 641 11 as as IN 33941 641 12 is be VBZ 33941 641 13 shown show VBN 33941 641 14 at at IN 33941 641 15 _ _ NNP 33941 641 16 C C NNP 33941 641 17 _ _ NNP 33941 641 18 ( ( -LRB- 33941 641 19 Fig Fig NNP 33941 641 20 . . . 33941 642 1 20 20 CD 33941 642 2 ) ) -RRB- 33941 642 3 has have VBZ 33941 642 4 been be VBN 33941 642 5 obtained obtain VBN 33941 642 6 , , , 33941 642 7 remove remove VB 33941 642 8 it -PRON- PRP 33941 642 9 from from IN 33941 642 10 the the DT 33941 642 11 flame flame NN 33941 642 12 , , , 33941 642 13 and and CC 33941 642 14 blow blow VB 33941 642 15 it -PRON- PRP 33941 642 16 to to IN 33941 642 17 its -PRON- PRP$ 33941 642 18 final final JJ 33941 642 19 dimensions dimension NNS 33941 642 20 . . . 33941 643 1 A a DT 33941 643 2 succession succession NN 33941 643 3 of of IN 33941 643 4 gentle gentle JJ 33941 643 5 puffs puff NNS 33941 643 6 _ _ NNP 33941 643 7 quickly quickly RB 33941 643 8 _ _ NNP 33941 643 9 succeeding succeed VBG 33941 643 10 each each DT 33941 643 11 other other JJ 33941 643 12 should should MD 33941 643 13 be be VB 33941 643 14 employed employ VBN 33941 643 15 , , , 33941 643 16 in in IN 33941 643 17 order order NN 33941 643 18 that that IN 33941 643 19 the the DT 33941 643 20 progress progress NN 33941 643 21 of of IN 33941 643 22 the the DT 33941 643 23 bulb bulb NN 33941 643 24 may may MD 33941 643 25 be be VB 33941 643 26 more more RBR 33941 643 27 easily easily RB 33941 643 28 watched watch VBN 33941 643 29 and and CC 33941 643 30 arrested arrest VBN 33941 643 31 at at IN 33941 643 32 the the DT 33941 643 33 right right JJ 33941 643 34 moment moment NN 33941 643 35 . . . 33941 644 1 During during IN 33941 644 2 the the DT 33941 644 3 process process NN 33941 644 4 of of IN 33941 644 5 blowing blow VBG 33941 644 6 , , , 33941 644 7 the the DT 33941 644 8 hot hot JJ 33941 644 9 glass glass NN 33941 644 10 must must MD 33941 644 11 be be VB 33941 644 12 steadily steadily RB 33941 644 13 rotated rotate VBN 33941 644 14 . . . 33941 645 1 To to TO 33941 645 2 collect collect VB 33941 645 3 the the DT 33941 645 4 glass glass NN 33941 645 5 for for IN 33941 645 6 blowing blow VBG 33941 645 7 a a DT 33941 645 8 bulb bulb NN 33941 645 9 of of IN 33941 645 10 lead lead JJ 33941 645 11 glass glass NN 33941 645 12 , , , 33941 645 13 employ employ VB 33941 645 14 the the DT 33941 645 15 flame flame NN 33941 645 16 described describe VBN 33941 645 17 on on IN 33941 645 18 pp pp NNP 33941 645 19 . . . 33941 646 1 17 17 CD 33941 646 2 - - SYM 33941 646 3 22 22 CD 33941 646 4 for for IN 33941 646 5 heating heating NN 33941 646 6 lead lead NN 33941 646 7 glass glass NN 33941 646 8 . . . 33941 647 1 If if IN 33941 647 2 the the DT 33941 647 3 tube tube NN 33941 647 4 be be VB 33941 647 5 held hold VBN 33941 647 6 horizontally horizontally RB 33941 647 7 whilst whilst IN 33941 647 8 the the DT 33941 647 9 globe globe NN 33941 647 10 is be VBZ 33941 647 11 blown blow VBN 33941 647 12 , , , 33941 647 13 its -PRON- PRP$ 33941 647 14 form form NN 33941 647 15 will will MD 33941 647 16 most most RBS 33941 647 17 nearly nearly RB 33941 647 18 approach approach VB 33941 647 19 that that DT 33941 647 20 of of IN 33941 647 21 a a DT 33941 647 22 true true JJ 33941 647 23 globe globe NN 33941 647 24 . . . 33941 648 1 If if IN 33941 648 2 it -PRON- PRP 33941 648 3 be be VB 33941 648 4 held hold VBN 33941 648 5 in in IN 33941 648 6 the the DT 33941 648 7 perpendicular perpendicular JJ 33941 648 8 position position NN 33941 648 9 , , , 33941 648 10 with with IN 33941 648 11 the the DT 33941 648 12 mass mass NN 33941 648 13 of of IN 33941 648 14 glass glass NN 33941 648 15 depending depend VBG 33941 648 16 from from IN 33941 648 17 it -PRON- PRP 33941 648 18 , , , 33941 648 19 the the DT 33941 648 20 form form NN 33941 648 21 of of IN 33941 648 22 the the DT 33941 648 23 bulb bulb NN 33941 648 24 will will MD 33941 648 25 usually usually RB 33941 648 26 be be VB 33941 648 27 somewhat somewhat RB 33941 648 28 elongated elongated JJ 33941 648 29 . . . 33941 649 1 If if IN 33941 649 2 it -PRON- PRP 33941 649 3 be be VB 33941 649 4 held hold VBN 33941 649 5 perpendicularly perpendicularly RB 33941 649 6 , , , 33941 649 7 with with IN 33941 649 8 the the DT 33941 649 9 mass mass NN 33941 649 10 of of IN 33941 649 11 glass glass NN 33941 649 12 upwards upward NNS 33941 649 13 , , , 33941 649 14 the the DT 33941 649 15 resulting result VBG 33941 649 16 bulb bulb NN 33941 649 17 will will MD 33941 649 18 be be VB 33941 649 19 flattened flatten VBN 33941 649 20 . . . 33941 650 1 When when WRB 33941 650 2 a a DT 33941 650 3 bulb bulb NN 33941 650 4 is be VBZ 33941 650 5 not not RB 33941 650 6 of of IN 33941 650 7 a a DT 33941 650 8 sufficiently sufficiently RB 33941 650 9 regular regular JJ 33941 650 10 form form NN 33941 650 11 , , , 33941 650 12 it -PRON- PRP 33941 650 13 may may MD 33941 650 14 sometimes sometimes RB 33941 650 15 be be VB 33941 650 16 re re VBN 33941 650 17 - - VBN 33941 650 18 made make VBN 33941 650 19 by by IN 33941 650 20 re re NN 33941 650 21 - - VBG 33941 650 22 collecting collect VBG 33941 650 23 the the DT 33941 650 24 glass glass NN 33941 650 25 , , , 33941 650 26 and and CC 33941 650 27 re re NN 33941 650 28 - - JJ 33941 650 29 blowing blow VBG 33941 650 30 it -PRON- PRP 33941 650 31 . . . 33941 651 1 The the DT 33941 651 2 greatest great JJS 33941 651 3 care care NN 33941 651 4 is be VBZ 33941 651 5 needed need VBN 33941 651 6 at at IN 33941 651 7 the the DT 33941 651 8 earlier early JJR 33941 651 9 stages stage NNS 33941 651 10 of of IN 33941 651 11 re re NN 33941 651 12 - - NN 33941 651 13 heating heating NN 33941 651 14 to to TO 33941 651 15 prevent prevent VB 33941 651 16 the the DT 33941 651 17 glass glass NN 33941 651 18 from from IN 33941 651 19 collapsing collapse VBG 33941 651 20 into into IN 33941 651 21 a a DT 33941 651 22 formless formless NN 33941 651 23 and and CC 33941 651 24 unworkable unworkable NNP 33941 651 25 mass mass NNP 33941 651 26 . . . 33941 652 1 This this DT 33941 652 2 is be VBZ 33941 652 3 to to TO 33941 652 4 be be VB 33941 652 5 prevented prevent VBN 33941 652 6 in in IN 33941 652 7 all all DT 33941 652 8 such such JJ 33941 652 9 cases case NNS 33941 652 10 by by IN 33941 652 11 gently gently RB 33941 652 12 blowing blow VBG 33941 652 13 it -PRON- PRP 33941 652 14 into into IN 33941 652 15 shape shape NN 33941 652 16 from from IN 33941 652 17 time time NN 33941 652 18 to to IN 33941 652 19 time time NN 33941 652 20 whilst whilst IN 33941 652 21 gathering gather VBG 33941 652 22 the the DT 33941 652 23 glass glass NN 33941 652 24 . . . 33941 653 1 [ [ -LRB- 33941 653 2 Illustration illustration NN 33941 653 3 : : : 33941 653 4 FIG FIG NNP 33941 653 5 . . . 33941 654 1 21 21 CD 33941 654 2 . . . 33941 654 3 ] ] -RRB- 33941 655 1 _ _ NNP 33941 655 2 To to TO 33941 655 3 blow blow VB 33941 655 4 a a DT 33941 655 5 Bulb Bulb NNP 33941 655 6 between between IN 33941 655 7 two two CD 33941 655 8 Points Points NNPS 33941 655 9 _ _ NNP 33941 655 10 ( ( -LRB- 33941 655 11 Fig fig NN 33941 655 12 21).--Select 21).--select CD 33941 655 13 a a DT 33941 655 14 piece piece NN 33941 655 15 of of IN 33941 655 16 suitable suitable JJ 33941 655 17 tube tube NN 33941 655 18 , , , 33941 655 19 seal seal NN 33941 655 20 or or CC 33941 655 21 cork cork NN 33941 655 22 one one CD 33941 655 23 end end NN 33941 655 24 , , , 33941 655 25 gather gather VB 33941 655 26 together together RB 33941 655 27 a a DT 33941 655 28 mass mass NN 33941 655 29 of of IN 33941 655 30 glass glass NN 33941 655 31 at at IN 33941 655 32 the the DT 33941 655 33 desired desire VBN 33941 655 34 part part NN 33941 655 35 , , , 33941 655 36 as as IN 33941 655 37 directed direct VBN 33941 655 38 for for IN 33941 655 39 blowing blow VBG 33941 655 40 a a DT 33941 655 41 bulb bulb NN 33941 655 42 at at IN 33941 655 43 the the DT 33941 655 44 end end NN 33941 655 45 of of IN 33941 655 46 a a DT 33941 655 47 tube tube NN 33941 655 48 ; ; : 33941 655 49 when when WRB 33941 655 50 a a DT 33941 655 51 mass mass NN 33941 655 52 of of IN 33941 655 53 glass glass NN 33941 655 54 has have VBZ 33941 655 55 been be VBN 33941 655 56 collected collect VBN 33941 655 57 of of IN 33941 655 58 sufficient sufficient JJ 33941 655 59 thickness thickness NN 33941 655 60 , , , 33941 655 61 blow blow VB 33941 655 62 it -PRON- PRP 33941 655 63 into into IN 33941 655 64 shape shape NN 33941 655 65 from from IN 33941 655 66 the the DT 33941 655 67 open open JJ 33941 655 68 end end NN 33941 655 69 of of IN 33941 655 70 the the DT 33941 655 71 tube tube NN 33941 655 72 by by IN 33941 655 73 a a DT 33941 655 74 rapid rapid JJ 33941 655 75 succession succession NN 33941 655 76 of of IN 33941 655 77 short short JJ 33941 655 78 blasts blast NNS 33941 655 79 of of IN 33941 655 80 air air NN 33941 655 81 , , , 33941 655 82 till till IN 33941 655 83 the the DT 33941 655 84 expanding expand VBG 33941 655 85 glass glass NN 33941 655 86 attains attain VBZ 33941 655 87 the the DT 33941 655 88 desired desire VBN 33941 655 89 dimensions dimension NNS 33941 655 90 . . . 33941 656 1 The the DT 33941 656 2 tube tube NN 33941 656 3 must must MD 33941 656 4 be be VB 33941 656 5 held hold VBN 33941 656 6 horizontally horizontally RB 33941 656 7 , , , 33941 656 8 and and CC 33941 656 9 must must MD 33941 656 10 be be VB 33941 656 11 rotated rotate VBN 33941 656 12 steadily steadily RB 33941 656 13 during during IN 33941 656 14 the the DT 33941 656 15 process process NN 33941 656 16 . . . 33941 657 1 By by IN 33941 657 2 slightly slightly RB 33941 657 3 pressing press VBG 33941 657 4 together together RB 33941 657 5 the the DT 33941 657 6 glass glass NN 33941 657 7 while while IN 33941 657 8 blowing blow VBG 33941 657 9 , , , 33941 657 10 the the DT 33941 657 11 bulb bulb NN 33941 657 12 will will MD 33941 657 13 be be VB 33941 657 14 flattened flatten VBN 33941 657 15 ; ; : 33941 657 16 by by IN 33941 657 17 slightly slightly RB 33941 657 18 drawing draw VBG 33941 657 19 apart apart RB 33941 657 20 the the DT 33941 657 21 two two CD 33941 657 22 ends end NNS 33941 657 23 of of IN 33941 657 24 the the DT 33941 657 25 tube tube NN 33941 657 26 , , , 33941 657 27 it -PRON- PRP 33941 657 28 will will MD 33941 657 29 be be VB 33941 657 30 elongated elongate VBN 33941 657 31 . . . 33941 658 1 A a DT 33941 658 2 pear pear NN 33941 658 3 - - HYPH 33941 658 4 shaped shape VBN 33941 658 5 bulb bulb NN 33941 658 6 may may MD 33941 658 7 be be VB 33941 658 8 obtained obtain VBN 33941 658 9 by by IN 33941 658 10 gently gently RB 33941 658 11 re re NN 33941 658 12 - - NN 33941 658 13 heating heat VBG 33941 658 14 an an DT 33941 658 15 elongated elongated JJ 33941 658 16 bulb bulb NN 33941 658 17 , , , 33941 658 18 say say VBP 33941 658 19 from from IN 33941 658 20 _ _ NNP 33941 658 21 a a DT 33941 658 22 _ _ NNP 33941 658 23 to to IN 33941 658 24 _ _ NNP 33941 658 25 a a DT 33941 658 26 _ _ NNP 33941 658 27 , , , 33941 658 28 and and CC 33941 658 29 drawing draw VBG 33941 658 30 it -PRON- PRP 33941 658 31 out out RP 33941 658 32 . . . 33941 659 1 It -PRON- PRP 33941 659 2 is be VBZ 33941 659 3 easiest easy JJS 33941 659 4 to to TO 33941 659 5 perform perform VB 33941 659 6 this this DT 33941 659 7 operation operation NN 33941 659 8 on on IN 33941 659 9 a a DT 33941 659 10 bulb bulb NN 33941 659 11 which which WDT 33941 659 12 is be VBZ 33941 659 13 rather rather RB 33941 659 14 thick thick JJ 33941 659 15 in in IN 33941 659 16 the the DT 33941 659 17 glass glass NN 33941 659 18 . . . 33941 660 1 If if IN 33941 660 2 the the DT 33941 660 3 tubes tube NNS 33941 660 4 _ _ NNP 33941 660 5 bb bb NNP 33941 660 6 _ _ NNP 33941 660 7 are be VBP 33941 660 8 to to TO 33941 660 9 be be VB 33941 660 10 small small JJ 33941 660 11 , , , 33941 660 12 and and CC 33941 660 13 a a DT 33941 660 14 globe globe NN 33941 660 15 of of IN 33941 660 16 considerable considerable JJ 33941 660 17 size size NN 33941 660 18 is be VBZ 33941 660 19 wanted want VBN 33941 660 20 , , , 33941 660 21 contract contract VB 33941 660 22 a a DT 33941 660 23 tube tube NN 33941 660 24 as as IN 33941 660 25 shown show VBN 33941 660 26 in in IN 33941 660 27 Fig Fig NNP 33941 660 28 . . . 33941 661 1 22 22 CD 33941 661 2 , , , 33941 661 3 taking take VBG 33941 661 4 care care NN 33941 661 5 that that IN 33941 661 6 the the DT 33941 661 7 narrow narrow JJ 33941 661 8 portions portion NNS 33941 661 9 of of IN 33941 661 10 the the DT 33941 661 11 tube tube NN 33941 661 12 are be VBP 33941 661 13 about about IN 33941 661 14 the the DT 33941 661 15 same same JJ 33941 661 16 axis axis NN 33941 661 17 as as IN 33941 661 18 the the DT 33941 661 19 wider wide JJR 33941 661 20 portions portion NNS 33941 661 21 , , , 33941 661 22 for for CC 33941 661 23 if if IN 33941 661 24 this this DT 33941 661 25 be be VBP 33941 661 26 not not RB 33941 661 27 the the DT 33941 661 28 case case NN 33941 661 29 , , , 33941 661 30 the the DT 33941 661 31 mouths mouth NNS 33941 661 32 of of IN 33941 661 33 the the DT 33941 661 34 bulb bulb NN 33941 661 35 will will MD 33941 661 36 not not RB 33941 661 37 be be VB 33941 661 38 symmetrically symmetrically RB 33941 661 39 placed place VBN 33941 661 40 ; ; : 33941 661 41 seal seal NN 33941 661 42 at at IN 33941 661 43 _ _ NNP 33941 661 44 C C NNP 33941 661 45 _ _ NNP 33941 661 46 , , , 33941 661 47 cut cut VBD 33941 661 48 off off RP 33941 661 49 the the DT 33941 661 50 wider wide JJR 33941 661 51 tube tube NN 33941 661 52 at at IN 33941 661 53 _ _ NNP 33941 661 54 B B NNP 33941 661 55 _ _ NNP 33941 661 56 , , , 33941 661 57 and and CC 33941 661 58 make make VB 33941 661 59 the the DT 33941 661 60 bulb bulb NN 33941 661 61 , , , 33941 661 62 as as IN 33941 661 63 previously previously RB 33941 661 64 described describe VBN 33941 661 65 , , , 33941 661 66 from from IN 33941 661 67 the the DT 33941 661 68 glass glass NN 33941 661 69 between between IN 33941 661 70 _ _ NNP 33941 661 71 AA AA NNP 33941 661 72 _ _ NNP 33941 661 73 . . . 33941 662 1 If if IN 33941 662 2 , , , 33941 662 3 as as IN 33941 662 4 probably probably RB 33941 662 5 will will MD 33941 662 6 be be VB 33941 662 7 the the DT 33941 662 8 case case NN 33941 662 9 , , , 33941 662 10 the the DT 33941 662 11 contracted contract VBN 33941 662 12 portions portion NNS 33941 662 13 of of IN 33941 662 14 the the DT 33941 662 15 tube tube NN 33941 662 16 be be VBP 33941 662 17 not not RB 33941 662 18 very very RB 33941 662 19 regular regular JJ 33941 662 20 , , , 33941 662 21 they -PRON- PRP 33941 662 22 may may MD 33941 662 23 be be VB 33941 662 24 cut cut VBN 33941 662 25 off off RP 33941 662 26 , , , 33941 662 27 one one CD 33941 662 28 at at IN 33941 662 29 a a DT 33941 662 30 time time NN 33941 662 31 , , , 33941 662 32 near near IN 33941 662 33 the the DT 33941 662 34 bulb bulb NN 33941 662 35 , , , 33941 662 36 and and CC 33941 662 37 replaced replace VBN 33941 662 38 by by IN 33941 662 39 pieces piece NNS 33941 662 40 of of IN 33941 662 41 tube tube NN 33941 662 42 of of IN 33941 662 43 the the DT 33941 662 44 size size NN 33941 662 45 desired desire VBN 33941 662 46 . . . 33941 663 1 [ [ -LRB- 33941 663 2 Illustration illustration NN 33941 663 3 : : : 33941 663 4 FIG FIG NNP 33941 663 5 . . . 33941 664 1 22 22 CD 33941 664 2 . . . 33941 664 3 ] ] -RRB- 33941 665 1 When when WRB 33941 665 2 a a DT 33941 665 3 bulb bulb NN 33941 665 4 has have VBZ 33941 665 5 to to TO 33941 665 6 be be VB 33941 665 7 blown blow VBN 33941 665 8 upon upon IN 33941 665 9 a a DT 33941 665 10 very very RB 33941 665 11 fine fine JJ 33941 665 12 tube tube NN 33941 665 13 , , , 33941 665 14 for for IN 33941 665 15 example example NN 33941 665 16 upon upon IN 33941 665 17 thermometer thermometer NN 33941 665 18 tubing tubing NN 33941 665 19 , , , 33941 665 20 the the DT 33941 665 21 mouth mouth NN 33941 665 22 should should MD 33941 665 23 not not RB 33941 665 24 be be VB 33941 665 25 employed employ VBN 33941 665 26 , , , 33941 665 27 for for IN 33941 665 28 the the DT 33941 665 29 moisture moisture NN 33941 665 30 introduced introduce VBN 33941 665 31 by by IN 33941 665 32 the the DT 33941 665 33 breath breath NN 33941 665 34 is be VBZ 33941 665 35 extremely extremely RB 33941 665 36 difficult difficult JJ 33941 665 37 to to TO 33941 665 38 remove remove VB 33941 665 39 afterwards afterwards RB 33941 665 40 . . . 33941 666 1 A a DT 33941 666 2 small small JJ 33941 666 3 india india JJ 33941 666 4 - - HYPH 33941 666 5 rubber rubber NN 33941 666 6 bottle bottle NN 33941 666 7 or or CC 33941 666 8 reservoir reservoir NN 33941 666 9 , , , 33941 666 10 such such JJ 33941 666 11 as as IN 33941 666 12 those those DT 33941 666 13 which which WDT 33941 666 14 are be VBP 33941 666 15 used use VBN 33941 666 16 in in IN 33941 666 17 spray spray NN 33941 666 18 - - HYPH 33941 666 19 producers producer NNS 33941 666 20 , , , 33941 666 21 Galton Galton NNP 33941 666 22 's 's POS 33941 666 23 whistles whistle NNS 33941 666 24 , , , 33941 666 25 etc etc FW 33941 666 26 . . FW 33941 666 27 , , , 33941 666 28 securely securely RB 33941 666 29 attached attach VBN 33941 666 30 to to IN 33941 666 31 the the DT 33941 666 32 open open JJ 33941 666 33 end end NN 33941 666 34 of of IN 33941 666 35 the the DT 33941 666 36 tube tube NN 33941 666 37 , , , 33941 666 38 should should MD 33941 666 39 be be VB 33941 666 40 used use VBN 33941 666 41 . . . 33941 667 1 With with IN 33941 667 2 the the DT 33941 667 3 help help NN 33941 667 4 of of IN 33941 667 5 these these DT 33941 667 6 bottles bottle NNS 33941 667 7 bulbs bulb NNS 33941 667 8 can can MD 33941 667 9 be be VB 33941 667 10 blown blow VBN 33941 667 11 at at IN 33941 667 12 the the DT 33941 667 13 closed closed JJ 33941 667 14 ends end NNS 33941 667 15 of of IN 33941 667 16 fine fine JJ 33941 667 17 tubes tube NNS 33941 667 18 with with IN 33941 667 19 ease ease NN 33941 667 20 , , , 33941 667 21 though though IN 33941 667 22 some some DT 33941 667 23 care care NN 33941 667 24 is be VBZ 33941 667 25 necessary necessary JJ 33941 667 26 to to TO 33941 667 27 produce produce VB 33941 667 28 them -PRON- PRP 33941 667 29 of of IN 33941 667 30 good good JJ 33941 667 31 shape shape NN 33941 667 32 , , , 33941 667 33 as as IN 33941 667 34 it -PRON- PRP 33941 667 35 is be VBZ 33941 667 36 difficult difficult JJ 33941 667 37 to to TO 33941 667 38 rotate rotate VB 33941 667 39 the the DT 33941 667 40 hot hot JJ 33941 667 41 glass glass NN 33941 667 42 properly properly RB 33941 667 43 when when WRB 33941 667 44 working work VBG 33941 667 45 in in IN 33941 667 46 this this DT 33941 667 47 way way NN 33941 667 48 . . . 33941 668 1 = = NFP 33941 668 2 Making make VBG 33941 668 3 and and CC 33941 668 4 Grinding grind VBG 33941 668 5 Stoppers.=--Apparatus Stoppers.=--Apparatus NNP 33941 668 6 which which WDT 33941 668 7 is be VBZ 33941 668 8 to to TO 33941 668 9 contain contain VB 33941 668 10 chemicals chemical NNS 33941 668 11 that that WDT 33941 668 12 are be VBP 33941 668 13 likely likely JJ 33941 668 14 to to TO 33941 668 15 be be VB 33941 668 16 affected affect VBN 33941 668 17 by by IN 33941 668 18 the the DT 33941 668 19 free free JJ 33941 668 20 admission admission NN 33941 668 21 of of IN 33941 668 22 air air NN 33941 668 23 , , , 33941 668 24 needs need VBZ 33941 668 25 to to TO 33941 668 26 have have VB 33941 668 27 stoppers stopper NNS 33941 668 28 fitted fit VBN 33941 668 29 to to IN 33941 668 30 it -PRON- PRP 33941 668 31 . . . 33941 669 1 Making make VBG 33941 669 2 a a DT 33941 669 3 good good JJ 33941 669 4 stopper stopper NN 33941 669 5 is be VBZ 33941 669 6 a a DT 33941 669 7 much much RB 33941 669 8 less less RBR 33941 669 9 tedious tedious JJ 33941 669 10 process process NN 33941 669 11 than than IN 33941 669 12 is be VBZ 33941 669 13 commonly commonly RB 33941 669 14 supposed suppose VBN 33941 669 15 . . . 33941 670 1 Suppose suppose VB 33941 670 2 that that IN 33941 670 3 the the DT 33941 670 4 tube tube NN 33941 670 5 I. i. NN 33941 670 6 of of IN 33941 670 7 Fig Fig NNP 33941 670 8 . . . 33941 671 1 23 23 CD 33941 671 2 is be VBZ 33941 671 3 to to TO 33941 671 4 be be VB 33941 671 5 stoppered stopper VBN 33941 671 6 at at IN 33941 671 7 _ _ NNP 33941 671 8 A A NNP 33941 671 9 _ _ NNP 33941 671 10 , , , 33941 671 11 it -PRON- PRP 33941 671 12 must must MD 33941 671 13 be be VB 33941 671 14 slightly slightly RB 33941 671 15 enlarged enlarge VBN 33941 671 16 by by IN 33941 671 17 softening soften VBG 33941 671 18 the the DT 33941 671 19 end end NN 33941 671 20 and and CC 33941 671 21 opening open VBG 33941 671 22 it -PRON- PRP 33941 671 23 with with IN 33941 671 24 a a DT 33941 671 25 pointed pointed JJ 33941 671 26 cone cone NN 33941 671 27 of of IN 33941 671 28 charcoal charcoal NN 33941 671 29 ; ; : 33941 671 30 or or CC 33941 671 31 a a DT 33941 671 32 conical conical JJ 33941 671 33 mouth mouth NN 33941 671 34 for for IN 33941 671 35 the the DT 33941 671 36 stopper stopper NN 33941 671 37 may may MD 33941 671 38 be be VB 33941 671 39 made make VBN 33941 671 40 by by IN 33941 671 41 slightly slightly RB 33941 671 42 contracting contract VBG 33941 671 43 the the DT 33941 671 44 tube tube NN 33941 671 45 near near IN 33941 671 46 one one CD 33941 671 47 end end NN 33941 671 48 , , , 33941 671 49 as as IN 33941 671 50 at at IN 33941 671 51 _ _ NNP 33941 671 52 B B NNP 33941 671 53 _ _ NNP 33941 671 54 , , , 33941 671 55 cutting cut VBG 33941 671 56 off off RP 33941 671 57 the the DT 33941 671 58 cylindrical cylindrical JJ 33941 671 59 end end NN 33941 671 60 of of IN 33941 671 61 the the DT 33941 671 62 tube tube NN 33941 671 63 at at IN 33941 671 64 the the DT 33941 671 65 dotted dotted JJ 33941 671 66 line line NN 33941 671 67 _ _ NNP 33941 671 68 C C NNP 33941 671 69 _ _ NNP 33941 671 70 , , , 33941 671 71 and and CC 33941 671 72 then then RB 33941 671 73 very very RB 33941 671 74 slightly slightly RB 33941 671 75 expanding expand VBG 33941 671 76 the the DT 33941 671 77 end end NN 33941 671 78 at at IN 33941 671 79 _ _ NNP 33941 671 80 C C NNP 33941 671 81 _ _ NNP 33941 671 82 with with IN 33941 671 83 a a DT 33941 671 84 charcoal charcoal NN 33941 671 85 cone cone NN 33941 671 86 after after IN 33941 671 87 its -PRON- PRP$ 33941 671 88 edges edge NNS 33941 671 89 have have VBP 33941 671 90 been be VBN 33941 671 91 softened soften VBN 33941 671 92 by by IN 33941 671 93 heat heat NN 33941 671 94 . . . 33941 672 1 In in IN 33941 672 2 either either DT 33941 672 3 case case NN 33941 672 4 the the DT 33941 672 5 conical conical JJ 33941 672 6 mouth mouth NN 33941 672 7 should should MD 33941 672 8 be be VB 33941 672 9 as as RB 33941 672 10 long long JJ 33941 672 11 and and CC 33941 672 12 regular regular JJ 33941 672 13 as as IN 33941 672 14 possible possible JJ 33941 672 15 . . . 33941 673 1 [ [ -LRB- 33941 673 2 Illustration illustration NN 33941 673 3 : : : 33941 673 4 FIG FIG NNP 33941 673 5 . . . 33941 674 1 23 23 CD 33941 674 2 . . . 33941 674 3 ] ] -RRB- 33941 675 1 For for IN 33941 675 2 the the DT 33941 675 3 stopper stopper NN 33941 675 4 take take VBP 33941 675 5 a a DT 33941 675 6 piece piece NN 33941 675 7 of of IN 33941 675 8 rather rather RB 33941 675 9 thick thick JJ 33941 675 10 tube tube NN 33941 675 11 , , , 33941 675 12 of of IN 33941 675 13 such such JJ 33941 675 14 size size NN 33941 675 15 that that IN 33941 675 16 it -PRON- PRP 33941 675 17 will will MD 33941 675 18 pass pass VB 33941 675 19 easily easily RB 33941 675 20 , , , 33941 675 21 but but CC 33941 675 22 not not RB 33941 675 23 too too RB 33941 675 24 easily easily RB 33941 675 25 , , , 33941 675 26 into into IN 33941 675 27 _ _ NNP 33941 675 28 A A NNP 33941 675 29 _ _ NNP 33941 675 30 or or CC 33941 675 31 _ _ NNP 33941 675 32 B B NNP 33941 675 33 _ _ NNP 33941 675 34 . . . 33941 676 1 Expand expand VB 33941 676 2 this this DT 33941 676 3 tube tube NN 33941 676 4 at at IN 33941 676 5 _ _ NNP 33941 676 6 D D NNP 33941 676 7 _ _ NNP 33941 676 8 , , , 33941 676 9 as as IN 33941 676 10 shown show VBN 33941 676 11 in in IN 33941 676 12 II II NNP 33941 676 13 . . NNP 33941 676 14 , , , 33941 676 15 by by IN 33941 676 16 softening soften VBG 33941 676 17 the the DT 33941 676 18 glass glass NN 33941 676 19 and and CC 33941 676 20 gently gently RB 33941 676 21 compressing compress VBG 33941 676 22 it -PRON- PRP 33941 676 23 . . . 33941 677 1 The the DT 33941 677 2 configuration configuration NN 33941 677 3 of of IN 33941 677 4 the the DT 33941 677 5 enlarged enlarged JJ 33941 677 6 tube tube NN 33941 677 7 as as IN 33941 677 8 shown show VBN 33941 677 9 at at IN 33941 677 10 _ _ NNP 33941 677 11 D D NNP 33941 677 12 _ _ NNP 33941 677 13 may may MD 33941 677 14 be be VB 33941 677 15 obtained obtain VBN 33941 677 16 by by IN 33941 677 17 heating heating NN 33941 677 18 and and CC 33941 677 19 compressing compress VBG 33941 677 20 two two CD 33941 677 21 or or CC 33941 677 22 more more JJR 33941 677 23 zones zone NNS 33941 677 24 of of IN 33941 677 25 the the DT 33941 677 26 tube tube NN 33941 677 27 that that WDT 33941 677 28 are be VBP 33941 677 29 adjacent adjacent JJ 33941 677 30 , , , 33941 677 31 one one CD 33941 677 32 zone zone NN 33941 677 33 being be VBG 33941 677 34 less less RBR 33941 677 35 expanded expand VBN 33941 677 36 than than IN 33941 677 37 the the DT 33941 677 38 other other JJ 33941 677 39 , , , 33941 677 40 so so IN 33941 677 41 as as IN 33941 677 42 to to TO 33941 677 43 give give VB 33941 677 44 the the DT 33941 677 45 sides side NNS 33941 677 46 of of IN 33941 677 47 the the DT 33941 677 48 imperfect imperfect JJ 33941 677 49 stopper stopper NN 33941 677 50 as as RB 33941 677 51 nearly nearly RB 33941 677 52 as as IN 33941 677 53 possible possible JJ 33941 677 54 the the DT 33941 677 55 form form NN 33941 677 56 shown show VBN 33941 677 57 at at IN 33941 677 58 _ _ NNP 33941 677 59 D D NNP 33941 677 60 _ _ NNP 33941 677 61 , , , 33941 677 62 which which WDT 33941 677 63 , , , 33941 677 64 however however RB 33941 677 65 , , , 33941 677 66 is be VBZ 33941 677 67 much much RB 33941 677 68 less less RBR 33941 677 69 regular regular JJ 33941 677 70 than than IN 33941 677 71 may may MD 33941 677 72 easily easily RB 33941 677 73 be be VB 33941 677 74 obtained obtain VBN 33941 677 75 . . . 33941 678 1 Seal seal VB 33941 678 2 off off RP 33941 678 3 the the DT 33941 678 4 head head NN 33941 678 5 of of IN 33941 678 6 the the DT 33941 678 7 tube tube NN 33941 678 8 at at IN 33941 678 9 _ _ NNP 33941 678 10 H H NNP 33941 678 11 _ _ NNP 33941 678 12 , , , 33941 678 13 and and CC 33941 678 14 heat heat VB 33941 678 15 the the DT 33941 678 16 glass glass NN 33941 678 17 till till IN 33941 678 18 it -PRON- PRP 33941 678 19 runs run VBZ 33941 678 20 together together RB 33941 678 21 into into IN 33941 678 22 a a DT 33941 678 23 nearly nearly RB 33941 678 24 solid solid JJ 33941 678 25 mass mass NN 33941 678 26 ; ; : 33941 678 27 compress compress NN 33941 678 28 this this DT 33941 678 29 with with IN 33941 678 30 a a DT 33941 678 31 pair pair NN 33941 678 32 of of IN 33941 678 33 iron iron NN 33941 678 34 tongs tong NNS 33941 678 35 to to IN 33941 678 36 the the DT 33941 678 37 flattened flattened JJ 33941 678 38 head head NN 33941 678 39 _ _ NNP 33941 678 40 E E NNP 33941 678 41 _ _ NNP 33941 678 42 . . . 33941 679 1 In in IN 33941 679 2 making make VBG 33941 679 3 _ _ NNP 33941 679 4 D D NNP 33941 679 5 _ _ NNP 33941 679 6 , , , 33941 679 7 aim aim VBP 33941 679 8 at at IN 33941 679 9 giving give VBG 33941 679 10 it -PRON- PRP 33941 679 11 a a DT 33941 679 12 form form NN 33941 679 13 which which WDT 33941 679 14 will will MD 33941 679 15 as as RB 33941 679 16 nearly nearly RB 33941 679 17 as as IN 33941 679 18 possible possible JJ 33941 679 19 correspond correspond NN 33941 679 20 to to IN 33941 679 21 that that DT 33941 679 22 of of IN 33941 679 23 the the DT 33941 679 24 tube tube NN 33941 679 25 into into IN 33941 679 26 which which WDT 33941 679 27 it -PRON- PRP 33941 679 28 is be VBZ 33941 679 29 to to TO 33941 679 30 be be VB 33941 679 31 ground grind VBN 33941 679 32 , , , 33941 679 33 and and CC 33941 679 34 make make VB 33941 679 35 it -PRON- PRP 33941 679 36 slightly slightly RB 33941 679 37 too too RB 33941 679 38 large large JJ 33941 679 39 , , , 33941 679 40 so so IN 33941 679 41 that that IN 33941 679 42 only only RB 33941 679 43 the the DT 33941 679 44 lower low JJR 33941 679 45 part part NN 33941 679 46 at at IN 33941 679 47 _ _ NNP 33941 679 48 D D NNP 33941 679 49 _ _ NNP 33941 679 50 can can MD 33941 679 51 be be VB 33941 679 52 introduced introduce VBN 33941 679 53 into into IN 33941 679 54 the the DT 33941 679 55 mouth mouth NN 33941 679 56 of of IN 33941 679 57 _ _ NNP 33941 679 58 A A NNP 33941 679 59 _ _ NNP 33941 679 60 or or CC 33941 679 61 _ _ NNP 33941 679 62 B B NNP 33941 679 63 _ _ NNP 33941 679 64 . . . 33941 680 1 Before before IN 33941 680 2 it -PRON- PRP 33941 680 3 is be VBZ 33941 680 4 ground ground NN 33941 680 5 , , , 33941 680 6 the the DT 33941 680 7 stopper stopper NN 33941 680 8 must must MD 33941 680 9 be be VB 33941 680 10 heated heat VBN 33941 680 11 nearly nearly RB 33941 680 12 to to IN 33941 680 13 its -PRON- PRP$ 33941 680 14 softening softening NN 33941 680 15 - - HYPH 33941 680 16 point point NN 33941 680 17 and and CC 33941 680 18 annealed anneal VBD 33941 680 19 . . . 33941 681 1 Moisten Moisten NNP 33941 681 2 _ _ NNP 33941 681 3 D D NNP 33941 681 4 _ _ NNP 33941 681 5 with with IN 33941 681 6 a a DT 33941 681 7 solution solution NN 33941 681 8 of of IN 33941 681 9 camphor camphor NNP 33941 681 10 in in IN 33941 681 11 recently recently RB 33941 681 12 distilled distil VBN 33941 681 13 turpentine turpentine NN 33941 681 14 , , , 33941 681 15 and and CC 33941 681 16 dust dust VB 33941 681 17 the the DT 33941 681 18 wet wet JJ 33941 681 19 surface surface NN 33941 681 20 with with IN 33941 681 21 finely finely RB 33941 681 22 - - HYPH 33941 681 23 ground ground NN 33941 681 24 emery emery NN 33941 681 25 , , , 33941 681 26 then then RB 33941 681 27 gently gently RB 33941 681 28 grind grind VB 33941 681 29 it -PRON- PRP 33941 681 30 into into IN 33941 681 31 its -PRON- PRP$ 33941 681 32 place place NN 33941 681 33 till till IN 33941 681 34 it -PRON- PRP 33941 681 35 fits fit VBZ 33941 681 36 properly properly RB 33941 681 37 . . . 33941 682 1 In in IN 33941 682 2 this this DT 33941 682 3 operation operation NN 33941 682 4 the the DT 33941 682 5 tail tail NN 33941 682 6 _ _ NNP 33941 682 7 G G NNP 33941 682 8 _ _ NNP 33941 682 9 , , , 33941 682 10 which which WDT 33941 682 11 should should MD 33941 682 12 fit fit VB 33941 682 13 loosely loosely RB 33941 682 14 into into IN 33941 682 15 the the DT 33941 682 16 tube tube NN 33941 682 17 _ _ NNP 33941 682 18 A A NNP 33941 682 19 _ _ NNP 33941 682 20 , , , 33941 682 21 will will MD 33941 682 22 be be VB 33941 682 23 of of IN 33941 682 24 assistance assistance NN 33941 682 25 by by IN 33941 682 26 preventing prevent VBG 33941 682 27 _ _ NNP 33941 682 28 D D NNP 33941 682 29 _ _ NNP 33941 682 30 from from IN 33941 682 31 unduly unduly RB 33941 682 32 pressing press VBG 33941 682 33 in in IN 33941 682 34 any any DT 33941 682 35 direction direction NN 33941 682 36 on on IN 33941 682 37 _ _ NNP 33941 682 38 A A NNP 33941 682 39 _ _ NNP 33941 682 40 in in IN 33941 682 41 consequence consequence NN 33941 682 42 of of IN 33941 682 43 irregular irregular JJ 33941 682 44 movements movement NNS 33941 682 45 . . . 33941 683 1 The the DT 33941 683 2 stopper stopper NN 33941 683 3 should should MD 33941 683 4 be be VB 33941 683 5 completely completely RB 33941 683 6 rotated rotate VBN 33941 683 7 in in IN 33941 683 8 grinding grind VBG 33941 683 9 it -PRON- PRP 33941 683 10 . . . 33941 684 1 It -PRON- PRP 33941 684 2 must must MD 33941 684 3 not not RB 33941 684 4 be be VB 33941 684 5 worked work VBN 33941 684 6 backwards backwards RB 33941 684 7 and and CC 33941 684 8 forwards forwards RB 33941 684 9 , , , 33941 684 10 or or CC 33941 684 11 a a DT 33941 684 12 well well RB 33941 684 13 - - HYPH 33941 684 14 fitting fit VBG 33941 684 15 stopper stopper NN 33941 684 16 will will MD 33941 684 17 not not RB 33941 684 18 be be VB 33941 684 19 produced produce VBN 33941 684 20 . . . 33941 685 1 Renew renew VB 33941 685 2 the the DT 33941 685 3 emery emery NN 33941 685 4 and and CC 33941 685 5 camphorated camphorate VBN 33941 685 6 turpentine turpentine NN 33941 685 7 frequently frequently RB 33941 685 8 during during IN 33941 685 9 the the DT 33941 685 10 earlier early JJR 33941 685 11 part part NN 33941 685 12 of of IN 33941 685 13 the the DT 33941 685 14 grinding grinding NN 33941 685 15 ; ; : 33941 685 16 when when WRB 33941 685 17 the the DT 33941 685 18 stopper stopper NN 33941 685 19 almost almost RB 33941 685 20 fits fit VBZ 33941 685 21 , , , 33941 685 22 avoid avoid VB 33941 685 23 using use VBG 33941 685 24 fresh fresh JJ 33941 685 25 emery emery NN 33941 685 26 , , , 33941 685 27 but but CC 33941 685 28 continue continue VB 33941 685 29 to to TO 33941 685 30 remove remove VB 33941 685 31 the the DT 33941 685 32 stopper stopper NN 33941 685 33 frequently frequently RB 33941 685 34 at at IN 33941 685 35 all all DT 33941 685 36 stages stage NNS 33941 685 37 of of IN 33941 685 38 the the DT 33941 685 39 operation operation NN 33941 685 40 . . . 33941 686 1 That that DT 33941 686 2 added add VBD 33941 686 3 at at IN 33941 686 4 the the DT 33941 686 5 earlier early JJR 33941 686 6 stages stage NNS 33941 686 7 will will MD 33941 686 8 be be VB 33941 686 9 reduced reduce VBN 33941 686 10 to to IN 33941 686 11 a a DT 33941 686 12 state state NN 33941 686 13 of of IN 33941 686 14 very very RB 33941 686 15 fine fine JJ 33941 686 16 division division NN 33941 686 17 , , , 33941 686 18 and and CC 33941 686 19 will will MD 33941 686 20 therefore therefore RB 33941 686 21 leave leave VB 33941 686 22 the the DT 33941 686 23 stopper stopper NN 33941 686 24 and and CC 33941 686 25 mouth mouth NN 33941 686 26 of of IN 33941 686 27 _ _ NNP 33941 686 28 A A NNP 33941 686 29 _ _ NNP 33941 686 30 with with IN 33941 686 31 smoother smooth JJR 33941 686 32 surfaces surface NNS 33941 686 33 than than IN 33941 686 34 fresh fresh JJ 33941 686 35 emery emery NN 33941 686 36 . . . 33941 687 1 [ [ -LRB- 33941 687 2 10 10 CD 33941 687 3 ] ] -RRB- 33941 687 4 [ [ -LRB- 33941 687 5 10 10 CD 33941 687 6 ] ] -RRB- 33941 687 7 Mr. Mr. NNP 33941 687 8 Gimmingham Gimmingham NNP 33941 687 9 recommends recommend VBZ 33941 687 10 giving give VBG 33941 687 11 stoppers stopper NNS 33941 687 12 a a DT 33941 687 13 final final JJ 33941 687 14 polish polish NN 33941 687 15 with with IN 33941 687 16 rotten rotten JJ 33941 687 17 - - HYPH 33941 687 18 stone stone NN 33941 687 19 ( ( -LRB- 33941 687 20 _ _ NNP 33941 687 21 Proceedings Proceedings NNP 33941 687 22 of of IN 33941 687 23 the the DT 33941 687 24 Royal Royal NNP 33941 687 25 Society Society NNP 33941 687 26 _ _ NNP 33941 687 27 , , , 33941 687 28 p. p. NN 33941 687 29 396 396 CD 33941 687 30 , , , 33941 687 31 1876 1876 CD 33941 687 32 ) ) -RRB- 33941 687 33 . . . 33941 688 1 NOTE.--The NOTE.--The NNP 33941 688 2 addition addition NN 33941 688 3 of of IN 33941 688 4 camphor camphor NNP 33941 688 5 to to IN 33941 688 6 the the DT 33941 688 7 turpentine turpentine NN 33941 688 8 used use VBN 33941 688 9 for for IN 33941 688 10 grinding grind VBG 33941 688 11 glass glass NN 33941 688 12 is be VBZ 33941 688 13 very very RB 33941 688 14 important important JJ 33941 688 15 . . . 33941 689 1 Notwithstanding notwithstanding IN 33941 689 2 its -PRON- PRP$ 33941 689 3 brittle brittle JJ 33941 689 4 nature nature NN 33941 689 5 , , , 33941 689 6 glass glass NN 33941 689 7 will will MD 33941 689 8 work work VB 33941 689 9 under under IN 33941 689 10 a a DT 33941 689 11 file file NN 33941 689 12 moistened moisten VBN 33941 689 13 with with IN 33941 689 14 this this DT 33941 689 15 solution solution NN 33941 689 16 almost almost RB 33941 689 17 as as RB 33941 689 18 well well RB 33941 689 19 as as IN 33941 689 20 the the DT 33941 689 21 metals metal NNS 33941 689 22 . . . 33941 690 1 Small small JJ 33941 690 2 quantities quantity NNS 33941 690 3 should should MD 33941 690 4 be be VB 33941 690 5 made make VBN 33941 690 6 at at IN 33941 690 7 a a DT 33941 690 8 time time NN 33941 690 9 , , , 33941 690 10 and and CC 33941 690 11 the the DT 33941 690 12 solution solution NN 33941 690 13 should should MD 33941 690 14 be be VB 33941 690 15 kept keep VBN 33941 690 16 in in IN 33941 690 17 a a DT 33941 690 18 well well RB 33941 690 19 - - HYPH 33941 690 20 closed close VBN 33941 690 21 vessel vessel NN 33941 690 22 , , , 33941 690 23 for for IN 33941 690 24 after after IN 33941 690 25 long long JJ 33941 690 26 exposure exposure NN 33941 690 27 to to IN 33941 690 28 the the DT 33941 690 29 air air NN 33941 690 30 it -PRON- PRP 33941 690 31 is be VBZ 33941 690 32 not not RB 33941 690 33 equally equally RB 33941 690 34 valuable valuable JJ 33941 690 35 . . . 33941 691 1 If if IN 33941 691 2 the the DT 33941 691 3 stopper stopper NN 33941 691 4 is be VBZ 33941 691 5 to to TO 33941 691 6 fit fit VB 33941 691 7 a a DT 33941 691 8 tube tube NN 33941 691 9 contracted contract VBN 33941 691 10 like like IN 33941 691 11 _ _ NNP 33941 691 12 B B NNP 33941 691 13 _ _ NNP 33941 691 14 , , , 33941 691 15 it -PRON- PRP 33941 691 16 must must MD 33941 691 17 be be VB 33941 691 18 constructed construct VBN 33941 691 19 from from IN 33941 691 20 a a DT 33941 691 21 piece piece NN 33941 691 22 of of IN 33941 691 23 tube tube NN 33941 691 24 that that WDT 33941 691 25 will will MD 33941 691 26 pass pass VB 33941 691 27 through through IN 33941 691 28 the the DT 33941 691 29 contraction contraction NN 33941 691 30 at at IN 33941 691 31 _ _ NNP 33941 691 32 B B NNP 33941 691 33 _ _ NNP 33941 691 34 . . . 33941 692 1 The the DT 33941 692 2 tail tail NN 33941 692 3 _ _ NNP 33941 692 4 GF GF NNP 33941 692 5 _ _ NNP 33941 692 6 will will MD 33941 692 7 not not RB 33941 692 8 do do VB 33941 692 9 such such JJ 33941 692 10 good good JJ 33941 692 11 service service NN 33941 692 12 as as IN 33941 692 13 it -PRON- PRP 33941 692 14 does do VBZ 33941 692 15 in in IN 33941 692 16 the the DT 33941 692 17 case case NN 33941 692 18 of of IN 33941 692 19 a a DT 33941 692 20 tube tube NN 33941 692 21 which which WDT 33941 692 22 has have VBZ 33941 692 23 been be VBN 33941 692 24 opened open VBN 33941 692 25 out out RP 33941 692 26 to to TO 33941 692 27 receive receive VB 33941 692 28 its -PRON- PRP$ 33941 692 29 stopper stopper NN 33941 692 30 , , , 33941 692 31 but but CC 33941 692 32 it -PRON- PRP 33941 692 33 will will MD 33941 692 34 help help VB 33941 692 35 to to TO 33941 692 36 guide guide VB 33941 692 37 the the DT 33941 692 38 stopper stopper NN 33941 692 39 , , , 33941 692 40 and and CC 33941 692 41 should should MD 33941 692 42 be be VB 33941 692 43 retained retain VBN 33941 692 44 . . . 33941 693 1 When when WRB 33941 693 2 the the DT 33941 693 3 stopper stopper NN 33941 693 4 has have VBZ 33941 693 5 been be VBN 33941 693 6 ground grind VBN 33941 693 7 into into IN 33941 693 8 its -PRON- PRP$ 33941 693 9 place place NN 33941 693 10 , , , 33941 693 11 melt melt VB 33941 693 12 off off RP 33941 693 13 the the DT 33941 693 14 tail tail NN 33941 693 15 at at IN 33941 693 16 _ _ NNP 33941 693 17 F F NNP 33941 693 18 _ _ NNP 33941 693 19 . . . 33941 694 1 The the DT 33941 694 2 flame flame NN 33941 694 3 must must MD 33941 694 4 be be VB 33941 694 5 applied apply VBN 33941 694 6 very very RB 33941 694 7 cautiously cautiously RB 33941 694 8 , , , 33941 694 9 as as IN 33941 694 10 glass glass NN 33941 694 11 which which WDT 33941 694 12 has have VBZ 33941 694 13 been be VBN 33941 694 14 ground grind VBN 33941 694 15 is be VBZ 33941 694 16 particularly particularly RB 33941 694 17 apt apt JJ 33941 694 18 to to TO 33941 694 19 crack crack VB 33941 694 20 on on IN 33941 694 21 heating heating NN 33941 694 22 . . . 33941 695 1 To to TO 33941 695 2 avoid avoid VB 33941 695 3 all all DT 33941 695 4 risk risk NN 33941 695 5 of of IN 33941 695 6 this this DT 33941 695 7 , , , 33941 695 8 the the DT 33941 695 9 tail tail NN 33941 695 10 may may MD 33941 695 11 simply simply RB 33941 695 12 be be VB 33941 695 13 cut cut VBN 33941 695 14 off off RP 33941 695 15 , , , 33941 695 16 and and CC 33941 695 17 its -PRON- PRP$ 33941 695 18 edges edge NNS 33941 695 19 filed file VBD 33941 695 20 smooth smooth JJ 33941 695 21 with with IN 33941 695 22 a a DT 33941 695 23 file file NN 33941 695 24 moistened moisten VBN 33941 695 25 freely freely RB 33941 695 26 with with IN 33941 695 27 camphorated camphorate VBN 33941 695 28 turpentine turpentine NN 33941 695 29 . . . 33941 696 1 The the DT 33941 696 2 stoppers stopper NNS 33941 696 3 of of IN 33941 696 4 bottles bottle NNS 33941 696 5 are be VBP 33941 696 6 not not RB 33941 696 7 made make VBN 33941 696 8 exactly exactly RB 33941 696 9 in in IN 33941 696 10 the the DT 33941 696 11 manner manner NN 33941 696 12 described describe VBN 33941 696 13 above above RB 33941 696 14 , , , 33941 696 15 though though RB 33941 696 16 , , , 33941 696 17 on on IN 33941 696 18 occasion occasion NN 33941 696 19 , , , 33941 696 20 a a DT 33941 696 21 new new JJ 33941 696 22 stopper stopper NN 33941 696 23 may may MD 33941 696 24 be be VB 33941 696 25 made make VBN 33941 696 26 for for IN 33941 696 27 a a DT 33941 696 28 bottle bottle NN 33941 696 29 by by IN 33941 696 30 following follow VBG 33941 696 31 those those DT 33941 696 32 directions direction NNS 33941 696 33 . . . 33941 697 1 Ill Ill NNP 33941 697 2 - - HYPH 33941 697 3 fitting fit VBG 33941 697 4 stoppers stopper NNS 33941 697 5 , , , 33941 697 6 which which WDT 33941 697 7 are be VBP 33941 697 8 very very RB 33941 697 9 common common JJ 33941 697 10 , , , 33941 697 11 can can MD 33941 697 12 be be VB 33941 697 13 very very RB 33941 697 14 easily easily RB 33941 697 15 re re JJ 33941 697 16 - - NN 33941 697 17 ground ground NN 33941 697 18 with with IN 33941 697 19 emery emery NN 33941 697 20 and and CC 33941 697 21 camphorated camphorate VBN 33941 697 22 turpentine turpentine NN 33941 697 23 . . . 33941 698 1 CHAPTER CHAPTER NNP 33941 698 2 IV IV NNP 33941 698 3 . . . 33941 699 1 _ _ NNP 33941 699 2 MAKING make VBG 33941 699 3 THISTLE THISTLE NNP 33941 699 4 FUNNELS FUNNELS NNP 33941 699 5 , , , 33941 699 6 U U NNP 33941 699 7 - - HYPH 33941 699 8 TUBES TUBES NNP 33941 699 9 , , , 33941 699 10 ETC.--COMBINING ETC.--COMBINING NNP 33941 699 11 THE the DT 33941 699 12 PARTS PARTS NNP 33941 699 13 OF of IN 33941 699 14 COMPLICATED COMPLICATED NNP 33941 699 15 APPARATUS APPARATUS NNP 33941 699 16 -- -- : 33941 699 17 MERCURY mercury NN 33941 699 18 , , , 33941 699 19 AND and CC 33941 699 20 OTHER OTHER NNP 33941 699 21 AIR AIR NNP 33941 699 22 - - HYPH 33941 699 23 TIGHT TIGHT NNP 33941 699 24 JOINTS joint NNS 33941 699 25 -- -- : 33941 699 26 VACUUM vacuum NN 33941 699 27 TAPS taps NN 33941 699 28 -- -- : 33941 699 29 SAFETY SAFETY NNP 33941 699 30 TAPS TAPS NNP 33941 699 31 -- -- : 33941 699 32 AIR AIR NNP 33941 699 33 - - HYPH 33941 699 34 TRAPS TRAPS NNP 33941 699 35 . . . 33941 699 36 _ _ NNP 33941 699 37 In in IN 33941 699 38 Chapter Chapter NNP 33941 699 39 III III NNP 33941 699 40 . . . 33941 700 1 the the DT 33941 700 2 simpler simple JJR 33941 700 3 operations operation NNS 33941 700 4 used use VBN 33941 700 5 in in IN 33941 700 6 making make VBG 33941 700 7 the the DT 33941 700 8 separate separate JJ 33941 700 9 parts part NNS 33941 700 10 of of IN 33941 700 11 which which WDT 33941 700 12 apparatus apparatus NN 33941 700 13 is be VBZ 33941 700 14 composed compose VBN 33941 700 15 have have VBP 33941 700 16 been be VBN 33941 700 17 described describe VBN 33941 700 18 . . . 33941 701 1 In in IN 33941 701 2 this this DT 33941 701 3 Chapter chapter NN 33941 701 4 finished finish VBD 33941 701 5 apparatus apparatus NN 33941 701 6 will will MD 33941 701 7 be be VB 33941 701 8 described describe VBN 33941 701 9 , , , 33941 701 10 and and CC 33941 701 11 the the DT 33941 701 12 combination combination NN 33941 701 13 of of IN 33941 701 14 the the DT 33941 701 15 separate separate JJ 33941 701 16 parts part NNS 33941 701 17 into into IN 33941 701 18 the the DT 33941 701 19 more more RBR 33941 701 20 or or CC 33941 701 21 less less RBR 33941 701 22 complicated complicated JJ 33941 701 23 arrangements arrangement NNS 33941 701 24 used use VBN 33941 701 25 in in IN 33941 701 26 experiments experiment NNS 33941 701 27 will will MD 33941 701 28 be be VB 33941 701 29 so so RB 33941 701 30 far far RB 33941 701 31 explained explain VBN 33941 701 32 as as IN 33941 701 33 to to TO 33941 701 34 enable enable VB 33941 701 35 the the DT 33941 701 36 student student NN 33941 701 37 to to TO 33941 701 38 set set VB 33941 701 39 up up RP 33941 701 40 such such JJ 33941 701 41 apparatus apparatus NN 33941 701 42 as as IN 33941 701 43 he -PRON- PRP 33941 701 44 is be VBZ 33941 701 45 likely likely JJ 33941 701 46 to to TO 33941 701 47 require require VB 33941 701 48 . . . 33941 702 1 I -PRON- PRP 33941 702 2 have have VBP 33941 702 3 thought think VBN 33941 702 4 it -PRON- PRP 33941 702 5 would would MD 33941 702 6 be be VB 33941 702 7 useful useful JJ 33941 702 8 that that IN 33941 702 9 I -PRON- PRP 33941 702 10 should should MD 33941 702 11 add add VB 33941 702 12 a a DT 33941 702 13 short short JJ 33941 702 14 account account NN 33941 702 15 of of IN 33941 702 16 various various JJ 33941 702 17 contrivances contrivance NNS 33941 702 18 that that WDT 33941 702 19 have have VBP 33941 702 20 come come VBN 33941 702 21 much much RB 33941 702 22 into into IN 33941 702 23 use use NN 33941 702 24 of of IN 33941 702 25 late late JJ 33941 702 26 years year NNS 33941 702 27 for for IN 33941 702 28 experimenting experiment VBG 33941 702 29 under under IN 33941 702 30 reduced reduce VBN 33941 702 31 pressure pressure NN 33941 702 32 , , , 33941 702 33 such such JJ 33941 702 34 as as IN 33941 702 35 safety safety NN 33941 702 36 taps tap NNS 33941 702 37 , , , 33941 702 38 air air NN 33941 702 39 - - HYPH 33941 702 40 traps trap NNS 33941 702 41 , , , 33941 702 42 vacuum vacuum NN 33941 702 43 joints joint NNS 33941 702 44 , , , 33941 702 45 etc etc FW 33941 702 46 . . . 33941 703 1 [ [ -LRB- 33941 703 2 Illustration illustration NN 33941 703 3 : : : 33941 703 4 FIG FIG NNP 33941 703 5 . . . 33941 704 1 24 24 CD 33941 704 2 . . . 33941 704 3 ] ] -RRB- 33941 705 1 = = NFP 33941 705 2 Electrodes.=--On electrodes.=--on CD 33941 705 3 page page NN 33941 705 4 38 38 CD 33941 705 5 ( ( -LRB- 33941 705 6 Fig fig NN 33941 705 7 . . . 33941 706 1 13 13 CD 33941 706 2 ) ) -RRB- 33941 706 3 is be VBZ 33941 706 4 shown show VBN 33941 706 5 a a DT 33941 706 6 simple simple JJ 33941 706 7 form form NN 33941 706 8 of of IN 33941 706 9 electrode electrode NN 33941 706 10 sealed seal VBN 33941 706 11 into into IN 33941 706 12 a a DT 33941 706 13 glass glass NN 33941 706 14 tube tube NN 33941 706 15 , , , 33941 706 16 which which WDT 33941 706 17 for for IN 33941 706 18 many many JJ 33941 706 19 purposes purpose NNS 33941 706 20 answers answer NNS 33941 706 21 very very RB 33941 706 22 well well RB 33941 706 23 . . . 33941 707 1 But but CC 33941 707 2 frequently frequently RB 33941 707 3 , , , 33941 707 4 in in IN 33941 707 5 order order NN 33941 707 6 that that IN 33941 707 7 there there EX 33941 707 8 may may MD 33941 707 9 be be VB 33941 707 10 less less JJR 33941 707 11 risk risk NN 33941 707 12 of of IN 33941 707 13 leakage leakage NN 33941 707 14 between between IN 33941 707 15 the the DT 33941 707 16 glass glass NN 33941 707 17 and and CC 33941 707 18 the the DT 33941 707 19 metal metal NN 33941 707 20 , , , 33941 707 21 the the DT 33941 707 22 latter latter NN 33941 707 23 is be VBZ 33941 707 24 covered cover VBN 33941 707 25 for for IN 33941 707 26 a a DT 33941 707 27 considerable considerable JJ 33941 707 28 part part NN 33941 707 29 of of IN 33941 707 30 its -PRON- PRP$ 33941 707 31 length length NN 33941 707 32 with with IN 33941 707 33 solid solid JJ 33941 707 34 glass glass NN 33941 707 35 , , , 33941 707 36 which which WDT 33941 707 37 at at IN 33941 707 38 one one CD 33941 707 39 extremity extremity NN 33941 707 40 is be VBZ 33941 707 41 united united JJ 33941 707 42 to to IN 33941 707 43 the the DT 33941 707 44 apparatus apparatus NN 33941 707 45 . . . 33941 708 1 In in IN 33941 708 2 Fig Fig NNP 33941 708 3 . . . 33941 709 1 24 24 CD 33941 709 2 _ _ NNP 33941 709 3 W W NNP 33941 709 4 _ _ NNP 33941 709 5 is be VBZ 33941 709 6 the the DT 33941 709 7 metal metal NN 33941 709 8 core core NN 33941 709 9 of of IN 33941 709 10 the the DT 33941 709 11 electrode electrode NN 33941 709 12 , , , 33941 709 13 and and CC 33941 709 14 _ _ NNP 33941 709 15 G G NNP 33941 709 16 _ _ NNP 33941 709 17 the the DT 33941 709 18 glass glass NN 33941 709 19 covering cover VBG 33941 709 20 around around IN 33941 709 21 it -PRON- PRP 33941 709 22 . . . 33941 710 1 The the DT 33941 710 2 wire wire NN 33941 710 3 is be VBZ 33941 710 4 fused fuse VBN 33941 710 5 into into IN 33941 710 6 the the DT 33941 710 7 glass glass NN 33941 710 8 , , , 33941 710 9 and and CC 33941 710 10 the the DT 33941 710 11 glass glass NN 33941 710 12 is be VBZ 33941 710 13 then then RB 33941 710 14 united united JJ 33941 710 15 to to IN 33941 710 16 the the DT 33941 710 17 apparatus apparatus NN 33941 710 18 ; ; : 33941 710 19 a a DT 33941 710 20 little little JJ 33941 710 21 white white JJ 33941 710 22 enamel enamel NN 33941 710 23 should should MD 33941 710 24 be be VB 33941 710 25 applied apply VBN 33941 710 26 at at IN 33941 710 27 one one CD 33941 710 28 end end NN 33941 710 29 and and CC 33941 710 30 combined combine VBN 33941 710 31 with with IN 33941 710 32 the the DT 33941 710 33 glass glass NN 33941 710 34 by by IN 33941 710 35 fusion fusion NN 33941 710 36 . . . 33941 711 1 = = NFP 33941 711 2 U U NNP 33941 711 3 - - HYPH 33941 711 4 Tubes.=--A Tubes.=--A NNP 33941 711 5 U U NNP 33941 711 6 - - NN 33941 711 7 tube tube NN 33941 711 8 is be VBZ 33941 711 9 but but CC 33941 711 10 a a DT 33941 711 11 particular particular JJ 33941 711 12 case case NN 33941 711 13 of of IN 33941 711 14 a a DT 33941 711 15 bent bent JJ 33941 711 16 glass glass NN 33941 711 17 tube tube NN 33941 711 18 . . . 33941 712 1 It -PRON- PRP 33941 712 2 is be VBZ 33941 712 3 scarcely scarcely RB 33941 712 4 possible possible JJ 33941 712 5 when when WRB 33941 712 6 bending bend VBG 33941 712 7 very very RB 33941 712 8 large large JJ 33941 712 9 tubes tube NNS 33941 712 10 in in IN 33941 712 11 the the DT 33941 712 12 manner manner NN 33941 712 13 described describe VBN 33941 712 14 on on IN 33941 712 15 p. p. NN 33941 712 16 29 29 CD 33941 712 17 to to TO 33941 712 18 produce produce VB 33941 712 19 regular regular JJ 33941 712 20 curves curve NNS 33941 712 21 of of IN 33941 712 22 sufficient sufficient JJ 33941 712 23 strength strength NN 33941 712 24 . . . 33941 713 1 To to TO 33941 713 2 make make VB 33941 713 3 a a DT 33941 713 4 U u NN 33941 713 5 - - NN 33941 713 6 tube tube NN 33941 713 7 , , , 33941 713 8 or or CC 33941 713 9 to to TO 33941 713 10 bend bend VB 33941 713 11 a a DT 33941 713 12 large large JJ 33941 713 13 tube tube NN 33941 713 14 , , , 33941 713 15 close close VB 33941 713 16 one one CD 33941 713 17 end end NN 33941 713 18 of of IN 33941 713 19 the the DT 33941 713 20 tube tube NN 33941 713 21 selected select VBN 33941 713 22 with with IN 33941 713 23 a a DT 33941 713 24 cork cork NN 33941 713 25 , , , 33941 713 26 soften soften VB 33941 713 27 and and CC 33941 713 28 compress compress VB 33941 713 29 the the DT 33941 713 30 glass glass NN 33941 713 31 in in IN 33941 713 32 the the DT 33941 713 33 flame flame NN 33941 713 34 at at IN 33941 713 35 the the DT 33941 713 36 part part NN 33941 713 37 where where WRB 33941 713 38 it -PRON- PRP 33941 713 39 is be VBZ 33941 713 40 to to TO 33941 713 41 be be VB 33941 713 42 bent bent JJ 33941 713 43 till till IN 33941 713 44 a a DT 33941 713 45 sufficient sufficient JJ 33941 713 46 mass mass NN 33941 713 47 of of IN 33941 713 48 glass glass NN 33941 713 49 for for IN 33941 713 50 the the DT 33941 713 51 bend bend NN 33941 713 52 is be VBZ 33941 713 53 collected collect VBN 33941 713 54 , , , 33941 713 55 then then RB 33941 713 56 remove remove VB 33941 713 57 the the DT 33941 713 58 mass mass NN 33941 713 59 of of IN 33941 713 60 glass glass NN 33941 713 61 from from IN 33941 713 62 the the DT 33941 713 63 flame flame NN 33941 713 64 , , , 33941 713 65 let let VB 33941 713 66 it -PRON- PRP 33941 713 67 cool cool VB 33941 713 68 a a DT 33941 713 69 little little JJ 33941 713 70 , , , 33941 713 71 and and CC 33941 713 72 simultaneously simultaneously RB 33941 713 73 draw draw VB 33941 713 74 out out RP 33941 713 75 the the DT 33941 713 76 thickened thicken VBN 33941 713 77 glass glass NN 33941 713 78 , , , 33941 713 79 bend bend VB 33941 713 80 it -PRON- PRP 33941 713 81 to to IN 33941 713 82 the the DT 33941 713 83 proper proper JJ 33941 713 84 form form NN 33941 713 85 , , , 33941 713 86 and and CC 33941 713 87 blow blow VB 33941 713 88 the the DT 33941 713 89 bend bend NN 33941 713 90 into into IN 33941 713 91 shape shape NN 33941 713 92 from from IN 33941 713 93 the the DT 33941 713 94 open open JJ 33941 713 95 end end NN 33941 713 96 of of IN 33941 713 97 the the DT 33941 713 98 tube tube NN 33941 713 99 . . . 33941 714 1 Small small JJ 33941 714 2 irregularities irregularity NNS 33941 714 3 may may MD 33941 714 4 be be VB 33941 714 5 partly partly RB 33941 714 6 corrected correct VBN 33941 714 7 afterwards afterwards RB 33941 714 8 . . . 33941 715 1 To to TO 33941 715 2 make make VB 33941 715 3 a a DT 33941 715 4 good good JJ 33941 715 5 U u NN 33941 715 6 - - NN 33941 715 7 tube tube NN 33941 715 8 of of IN 33941 715 9 large large JJ 33941 715 10 size size NN 33941 715 11 , , , 33941 715 12 and and CC 33941 715 13 of of IN 33941 715 14 uniform uniform JJ 33941 715 15 diameter diameter NN 33941 715 16 from from IN 33941 715 17 end end NN 33941 715 18 to to IN 33941 715 19 end end NN 33941 715 20 , , , 33941 715 21 requires require VBZ 33941 715 22 much much JJ 33941 715 23 practice practice NN 33941 715 24 , , , 33941 715 25 but but CC 33941 715 26 to to TO 33941 715 27 make make VB 33941 715 28 a a DT 33941 715 29 tolerably tolerably RB 33941 715 30 presentable presentable JJ 33941 715 31 piece piece NN 33941 715 32 of of IN 33941 715 33 apparatus apparatus NN 33941 715 34 in in IN 33941 715 35 which which WDT 33941 715 36 the the DT 33941 715 37 two two CD 33941 715 38 limbs limb NNS 33941 715 39 are be VBP 33941 715 40 bent bent JJ 33941 715 41 round round RB 33941 715 42 till till IN 33941 715 43 they -PRON- PRP 33941 715 44 are be VBP 33941 715 45 parallel parallel JJ 33941 715 46 , , , 33941 715 47 without without IN 33941 715 48 any any DT 33941 715 49 considerable considerable JJ 33941 715 50 constriction constriction NN 33941 715 51 at at IN 33941 715 52 the the DT 33941 715 53 bend bend NN 33941 715 54 , , , 33941 715 55 can can MD 33941 715 56 be be VB 33941 715 57 accomplished accomplish VBN 33941 715 58 without without IN 33941 715 59 much much JJ 33941 715 60 difficulty difficulty NN 33941 715 61 . . . 33941 716 1 [ [ -LRB- 33941 716 2 11 11 CD 33941 716 3 ] ] -RRB- 33941 716 4 [ [ -LRB- 33941 716 5 11 11 CD 33941 716 6 ] ] -RRB- 33941 716 7 Large large JJ 33941 716 8 tubes tube NNS 33941 716 9 may may MD 33941 716 10 also also RB 33941 716 11 be be VB 33941 716 12 bent bent JJ 33941 716 13 by by IN 33941 716 14 rotating rotate VBG 33941 716 15 a a DT 33941 716 16 sufficient sufficient JJ 33941 716 17 length length NN 33941 716 18 of of IN 33941 716 19 the the DT 33941 716 20 tube tube NN 33941 716 21 in in IN 33941 716 22 a a DT 33941 716 23 large large JJ 33941 716 24 flame flame NN 33941 716 25 till till IN 33941 716 26 it -PRON- PRP 33941 716 27 softens soften VBZ 33941 716 28 , , , 33941 716 29 and and CC 33941 716 30 bending bend VBG 33941 716 31 in in IN 33941 716 32 the the DT 33941 716 33 same same JJ 33941 716 34 manner manner NN 33941 716 35 as as IN 33941 716 36 in in IN 33941 716 37 the the DT 33941 716 38 case case NN 33941 716 39 of of IN 33941 716 40 smaller small JJR 33941 716 41 tubes tube NNS 33941 716 42 , , , 33941 716 43 and and CC 33941 716 44 after after IN 33941 716 45 filling fill VBG 33941 716 46 them -PRON- PRP 33941 716 47 with with IN 33941 716 48 sand sand NN 33941 716 49 , , , 33941 716 50 closing close VBG 33941 716 51 one one CD 33941 716 52 end end NN 33941 716 53 completely completely RB 33941 716 54 , , , 33941 716 55 and and CC 33941 716 56 the the DT 33941 716 57 other other JJ 33941 716 58 so so IN 33941 716 59 that that IN 33941 716 60 the the DT 33941 716 61 sand sand NN 33941 716 62 can can MD 33941 716 63 not not RB 33941 716 64 escape escape VB 33941 716 65 , , , 33941 716 66 though though IN 33941 716 67 heated heat VBN 33941 716 68 air air NN 33941 716 69 can can MD 33941 716 70 do do VB 33941 716 71 so so RB 33941 716 72 . . . 33941 717 1 = = NFP 33941 717 2 Spiral spiral JJ 33941 717 3 Tubes.=--These Tubes.=--These NNS 33941 717 4 may may MD 33941 717 5 be be VB 33941 717 6 made make VBN 33941 717 7 by by IN 33941 717 8 twisting twist VBG 33941 717 9 a a DT 33941 717 10 tube tube NN 33941 717 11 gradually gradually RB 33941 717 12 softened soften VBN 33941 717 13 by by IN 33941 717 14 heat heat NN 33941 717 15 round round IN 33941 717 16 a a DT 33941 717 17 metal metal NN 33941 717 18 cylinder cylinder NN 33941 717 19 . . . 33941 718 1 Spiral spiral JJ 33941 718 2 tubes tube NNS 33941 718 3 made make VBN 33941 718 4 of of IN 33941 718 5 small small JJ 33941 718 6 thin thin JJ 33941 718 7 tubes tube NNS 33941 718 8 possess possess VBP 33941 718 9 considerable considerable JJ 33941 718 10 elasticity elasticity NN 33941 718 11 , , , 33941 718 12 and and CC 33941 718 13 have have VBP 33941 718 14 been be VBN 33941 718 15 used use VBN 33941 718 16 by by IN 33941 718 17 Mr. Mr. NNP 33941 718 18 Crookes Crookes NNP 33941 718 19 for for IN 33941 718 20 making make VBG 33941 718 21 air air NN 33941 718 22 - - HYPH 33941 718 23 tight tight JJ 33941 718 24 connections connection NNS 33941 718 25 between between IN 33941 718 26 separate separate JJ 33941 718 27 pieces piece NNS 33941 718 28 of of IN 33941 718 29 apparatus apparatus NN 33941 718 30 when when WRB 33941 718 31 a a DT 33941 718 32 rigid rigid JJ 33941 718 33 connection connection NN 33941 718 34 would would MD 33941 718 35 have have VB 33941 718 36 been be VBN 33941 718 37 unnecessary unnecessary JJ 33941 718 38 and and CC 33941 718 39 inconvenient inconvenient JJ 33941 718 40 . . . 33941 719 1 By by IN 33941 719 2 the the DT 33941 719 3 use use NN 33941 719 4 of of IN 33941 719 5 such such JJ 33941 719 6 spiral spiral JJ 33941 719 7 tubes tube NNS 33941 719 8 it -PRON- PRP 33941 719 9 is be VBZ 33941 719 10 possible possible JJ 33941 719 11 to to TO 33941 719 12 combine combine VB 33941 719 13 comparatively comparatively RB 33941 719 14 free free JJ 33941 719 15 movement movement NN 33941 719 16 with with IN 33941 719 17 all all PDT 33941 719 18 the the DT 33941 719 19 advantages advantage NNS 33941 719 20 attached attach VBN 33941 719 21 to to IN 33941 719 22 hermetically hermetically RB 33941 719 23 - - HYPH 33941 719 24 sealed seal VBN 33941 719 25 joints joint NNS 33941 719 26 . . . 33941 720 1 To to TO 33941 720 2 make make VB 33941 720 3 a a DT 33941 720 4 flexible flexible JJ 33941 720 5 spiral spiral JJ 33941 720 6 tube tube NN 33941 720 7 , , , 33941 720 8 mount mount VBP 33941 720 9 a a DT 33941 720 10 copper copper NN 33941 720 11 cylinder cylinder NN 33941 720 12 on on IN 33941 720 13 a a DT 33941 720 14 screw screw NN 33941 720 15 , , , 33941 720 16 so so IN 33941 720 17 that that IN 33941 720 18 the the DT 33941 720 19 cylinder cylinder NN 33941 720 20 will will MD 33941 720 21 travel travel VB 33941 720 22 in in IN 33941 720 23 the the DT 33941 720 24 direction direction NN 33941 720 25 of of IN 33941 720 26 its -PRON- PRP$ 33941 720 27 axis axis NN 33941 720 28 when when WRB 33941 720 29 it -PRON- PRP 33941 720 30 is be VBZ 33941 720 31 rotated rotate VBN 33941 720 32 . . . 33941 721 1 Fix fix VB 33941 721 2 a a DT 33941 721 3 fine fine JJ 33941 721 4 glass glass NN 33941 721 5 tube tube NN 33941 721 6 to to IN 33941 721 7 the the DT 33941 721 8 cylinder cylinder NN 33941 721 9 , , , 33941 721 10 and and CC 33941 721 11 direct direct VB 33941 721 12 a a DT 33941 721 13 flame flame NN 33941 721 14 towards towards IN 33941 721 15 the the DT 33941 721 16 cylinder cylinder NN 33941 721 17 so so IN 33941 721 18 as as IN 33941 721 19 to to TO 33941 721 20 heat heat VB 33941 721 21 and and CC 33941 721 22 soften soften VB 33941 721 23 the the DT 33941 721 24 glass glass NN 33941 721 25 , , , 33941 721 26 which which WDT 33941 721 27 will will MD 33941 721 28 then then RB 33941 721 29 bend bend VB 33941 721 30 to to IN 33941 721 31 the the DT 33941 721 32 form form NN 33941 721 33 of of IN 33941 721 34 the the DT 33941 721 35 cylinder cylinder NN 33941 721 36 . . . 33941 722 1 Gradually gradually RB 33941 722 2 rotate rotate VB 33941 722 3 the the DT 33941 722 4 cylinder cylinder NN 33941 722 5 before before IN 33941 722 6 the the DT 33941 722 7 source source NN 33941 722 8 of of IN 33941 722 9 heat heat NN 33941 722 10 , , , 33941 722 11 so so IN 33941 722 12 that that IN 33941 722 13 fresh fresh JJ 33941 722 14 portions portion NNS 33941 722 15 of of IN 33941 722 16 tube tube NN 33941 722 17 are be VBP 33941 722 18 successively successively RB 33941 722 19 brought bring VBN 33941 722 20 into into IN 33941 722 21 position position NN 33941 722 22 , , , 33941 722 23 softened soften VBN 33941 722 24 , , , 33941 722 25 and and CC 33941 722 26 bent bent JJ 33941 722 27 . . . 33941 723 1 Useful useful JJ 33941 723 2 spirals spiral NNS 33941 723 3 may may MD 33941 723 4 also also RB 33941 723 5 be be VB 33941 723 6 made make VBN 33941 723 7 by by IN 33941 723 8 hand hand NN 33941 723 9 without without IN 33941 723 10 a a DT 33941 723 11 cylinder cylinder NN 33941 723 12 . . . 33941 724 1 As as IN 33941 724 2 each each DT 33941 724 3 length length NN 33941 724 4 of of IN 33941 724 5 tube tube NN 33941 724 6 is be VBZ 33941 724 7 bent bent JJ 33941 724 8 , , , 33941 724 9 a a DT 33941 724 10 fresh fresh JJ 33941 724 11 length length NN 33941 724 12 may may MD 33941 724 13 be be VB 33941 724 14 united united JJ 33941 724 15 to to IN 33941 724 16 it -PRON- PRP 33941 724 17 until until IN 33941 724 18 the the DT 33941 724 19 spiral spiral NN 33941 724 20 is be VBZ 33941 724 21 completed complete VBN 33941 724 22 . . . 33941 725 1 The the DT 33941 725 2 fine fine JJ 33941 725 3 tubes tube NNS 33941 725 4 employed employ VBN 33941 725 5 are be VBP 33941 725 6 prepared prepare VBN 33941 725 7 by by IN 33941 725 8 heating heating NN 33941 725 9 and and CC 33941 725 10 drawing draw VBG 33941 725 11 out out RP 33941 725 12 larger large JJR 33941 725 13 tubes tube NNS 33941 725 14 . . . 33941 726 1 [ [ -LRB- 33941 726 2 Illustration illustration NN 33941 726 3 : : : 33941 726 4 FIG FIG NNP 33941 726 5 . . . 33941 727 1 25 25 CD 33941 727 2 . . . 33941 727 3 ] ] -RRB- 33941 728 1 = = NFP 33941 728 2 Thistle Thistle NNP 33941 728 3 Funnels= funnels= NN 33941 728 4 ( ( -LRB- 33941 728 5 Fig fig NN 33941 728 6 . . . 33941 729 1 25).--Seal 25).--seal RB 33941 729 2 a a DT 33941 729 3 moderately moderately RB 33941 729 4 thick thick JJ 33941 729 5 piece piece NN 33941 729 6 of of IN 33941 729 7 small small JJ 33941 729 8 glass glass NN 33941 729 9 tube tube NN 33941 729 10 at at IN 33941 729 11 _ _ NNP 33941 729 12 A A NNP 33941 729 13 _ _ NNP 33941 729 14 , , , 33941 729 15 then then RB 33941 729 16 heat heat VB 33941 729 17 a a DT 33941 729 18 wide wide JJ 33941 729 19 zone zone NN 33941 729 20 of of IN 33941 729 21 it -PRON- PRP 33941 729 22 a a DT 33941 729 23 little little JJ 33941 729 24 below below IN 33941 729 25 _ _ NNP 33941 729 26 A A NNP 33941 729 27 _ _ NNP 33941 729 28 by by IN 33941 729 29 rotating rotate VBG 33941 729 30 it -PRON- PRP 33941 729 31 horizontally horizontally RB 33941 729 32 in in IN 33941 729 33 the the DT 33941 729 34 blow blow NN 33941 729 35 - - HYPH 33941 729 36 pipe pipe NN 33941 729 37 flame flame NN 33941 729 38 till till IN 33941 729 39 the the DT 33941 729 40 glass glass NN 33941 729 41 softens soften NNS 33941 729 42 , , , 33941 729 43 and and CC 33941 729 44 expand expand VB 33941 729 45 the the DT 33941 729 46 glass glass NN 33941 729 47 to to IN 33941 729 48 a a DT 33941 729 49 bulb bulb NN 33941 729 50 , , , 33941 729 51 as as IN 33941 729 52 shown show VBN 33941 729 53 at at IN 33941 729 54 _ _ NNP 33941 729 55 B B NNP 33941 729 56 _ _ NNP 33941 729 57 of of IN 33941 729 58 1 1 CD 33941 729 59 ; ; : 33941 729 60 during during IN 33941 729 61 the the DT 33941 729 62 operation operation NN 33941 729 63 of of IN 33941 729 64 blowing blow VBG 33941 729 65 this this DT 33941 729 66 bulb bulb NN 33941 729 67 , , , 33941 729 68 the the DT 33941 729 69 end end NN 33941 729 70 _ _ NNP 33941 729 71 A A NNP 33941 729 72 _ _ NNP 33941 729 73 must must MD 33941 729 74 be be VB 33941 729 75 directed direct VBN 33941 729 76 to to IN 33941 729 77 the the DT 33941 729 78 ground ground NN 33941 729 79 . . . 33941 730 1 Soften soften VB 33941 730 2 the the DT 33941 730 3 end end NN 33941 730 4 _ _ NNP 33941 730 5 A A NNP 33941 730 6 _ _ NNP 33941 730 7 and and CC 33941 730 8 a a DT 33941 730 9 small small JJ 33941 730 10 portion portion NN 33941 730 11 of of IN 33941 730 12 _ _ NNP 33941 730 13 B B NNP 33941 730 14 _ _ NNP 33941 730 15 as as IN 33941 730 16 before before RB 33941 730 17 , , , 33941 730 18 and and CC 33941 730 19 , , , 33941 730 20 holding hold VBG 33941 730 21 the the DT 33941 730 22 tube tube NN 33941 730 23 horizontally horizontally RB 33941 730 24 from from IN 33941 730 25 the the DT 33941 730 26 mouth mouth NN 33941 730 27 , , , 33941 730 28 blow blow VB 33941 730 29 out out RP 33941 730 30 the the DT 33941 730 31 end end NN 33941 730 32 _ _ NNP 33941 730 33 C C NNP 33941 730 34 _ _ NNP 33941 730 35 as as IN 33941 730 36 at at IN 33941 730 37 2 2 CD 33941 730 38 . . . 33941 731 1 Heat heat VB 33941 731 2 the the DT 33941 731 3 end end NN 33941 731 4 of of IN 33941 731 5 _ _ NNP 33941 731 6 C C NNP 33941 731 7 _ _ NNP 33941 731 8 gradually gradually RB 33941 731 9 , , , 33941 731 10 till till IN 33941 731 11 the the DT 33941 731 12 glass glass NN 33941 731 13 softens soften VBZ 33941 731 14 and and CC 33941 731 15 collapses collapse VBZ 33941 731 16 to to IN 33941 731 17 the the DT 33941 731 18 dotted dotted JJ 33941 731 19 line line NN 33941 731 20 _ _ NNP 33941 731 21 dd dd NNP 33941 731 22 _ _ NNP 33941 731 23 , , , 33941 731 24 and and CC 33941 731 25 at at IN 33941 731 26 once once RB 33941 731 27 blow blow VB 33941 731 28 a a DT 33941 731 29 steady steady JJ 33941 731 30 stream stream NN 33941 731 31 of of IN 33941 731 32 air air NN 33941 731 33 into into IN 33941 731 34 the the DT 33941 731 35 open open JJ 33941 731 36 end end NN 33941 731 37 of of IN 33941 731 38 the the DT 33941 731 39 tube tube NN 33941 731 40 , , , 33941 731 41 rotating rotate VBG 33941 731 42 it -PRON- PRP 33941 731 43 steadily steadily RB 33941 731 44 , , , 33941 731 45 till till IN 33941 731 46 it -PRON- PRP 33941 731 47 is be VBZ 33941 731 48 about about JJ 33941 731 49 to to TO 33941 731 50 burst burst VB 33941 731 51 ; ; : 33941 731 52 finally finally RB 33941 731 53 clean clean VB 33941 731 54 off off RP 33941 731 55 the the DT 33941 731 56 thin thin JJ 33941 731 57 glass glass NN 33941 731 58 from from IN 33941 731 59 round round JJ 33941 731 60 the the DT 33941 731 61 edges edge NNS 33941 731 62 of of IN 33941 731 63 the the DT 33941 731 64 funnel funnel NN 33941 731 65 , , , 33941 731 66 which which WDT 33941 731 67 should should MD 33941 731 68 have have VB 33941 731 69 the the DT 33941 731 70 form form NN 33941 731 71 shown show VBN 33941 731 72 at at IN 33941 731 73 3 3 CD 33941 731 74 , , , 33941 731 75 and and CC 33941 731 76 round round VB 33941 731 77 them -PRON- PRP 33941 731 78 . . . 33941 732 1 An an DT 33941 732 2 inspection inspection NN 33941 732 3 of of IN 33941 732 4 a a DT 33941 732 5 purchased purchase VBN 33941 732 6 thistle thistle NN 33941 732 7 funnel funnel NN 33941 732 8 will will MD 33941 732 9 generally generally RB 33941 732 10 show show VB 33941 732 11 that that IN 33941 732 12 the the DT 33941 732 13 head head NN 33941 732 14 _ _ NNP 33941 732 15 B B NNP 33941 732 16 _ _ NNP 33941 732 17 has have VBZ 33941 732 18 been be VBN 33941 732 19 formed form VBN 33941 732 20 from from IN 33941 732 21 a a DT 33941 732 22 larger large JJR 33941 732 23 tube tube NN 33941 732 24 sealed seal VBN 33941 732 25 to to IN 33941 732 26 _ _ NNP 33941 732 27 E E NNP 33941 732 28 _ _ NNP 33941 732 29 at at IN 33941 732 30 _ _ NNP 33941 732 31 f f NNP 33941 732 32 _ _ NNP 33941 732 33 . . . 33941 733 1 [ [ -LRB- 33941 733 2 Illustration illustration NN 33941 733 3 : : : 33941 733 4 FIG FIG NNP 33941 733 5 . . . 33941 734 1 26 26 CD 33941 734 2 . . . 33941 734 3 ] ] -RRB- 33941 735 1 = = NFP 33941 735 2 Closing Closing NNP 33941 735 3 Tubes Tubes NNP 33941 735 4 containing contain VBG 33941 735 5 Chemicals= Chemicals= NNS 33941 735 6 for for IN 33941 735 7 experiments experiment NNS 33941 735 8 at at IN 33941 735 9 high high JJ 33941 735 10 temperatures.--Tubes temperatures.--tubes CD 33941 735 11 of of IN 33941 735 12 the the DT 33941 735 13 hard hard JJ 33941 735 14 glass glass NN 33941 735 15 used use VBN 33941 735 16 for for IN 33941 735 17 organic organic JJ 33941 735 18 analyses analysis NNS 33941 735 19 answer answer VBP 33941 735 20 best good JJS 33941 735 21 for for IN 33941 735 22 this this DT 33941 735 23 purpose purpose NN 33941 735 24 ; ; : 33941 735 25 the the DT 33941 735 26 operation operation NN 33941 735 27 of of IN 33941 735 28 drawing draw VBG 33941 735 29 out out RP 33941 735 30 the the DT 33941 735 31 end end NN 33941 735 32 of of IN 33941 735 33 such such PDT 33941 735 34 a a DT 33941 735 35 tube tube NN 33941 735 36 is be VBZ 33941 735 37 practically practically RB 33941 735 38 identical identical JJ 33941 735 39 with with IN 33941 735 40 what what WP 33941 735 41 has have VBZ 33941 735 42 been be VBN 33941 735 43 described describe VBN 33941 735 44 under under IN 33941 735 45 the the DT 33941 735 46 head head NN 33941 735 47 of of IN 33941 735 48 choking choking NN 33941 735 49 , , , 33941 735 50 p. p. NN 33941 735 51 35 35 CD 33941 735 52 . . . 33941 736 1 A a DT 33941 736 2 well well RB 33941 736 3 - - HYPH 33941 736 4 sealed seal VBN 33941 736 5 tube tube NN 33941 736 6 presents present VBZ 33941 736 7 the the DT 33941 736 8 appearance appearance NN 33941 736 9 of of IN 33941 736 10 that that DT 33941 736 11 shown show VBN 33941 736 12 by by IN 33941 736 13 Fig Fig NNP 33941 736 14 . . . 33941 737 1 26 26 CD 33941 737 2 . . . 33941 738 1 In in IN 33941 738 2 order order NN 33941 738 3 to to TO 33941 738 4 secure secure VB 33941 738 5 a a DT 33941 738 6 thick thick JJ 33941 738 7 end end NN 33941 738 8 to to IN 33941 738 9 the the DT 33941 738 10 point point NN 33941 738 11 of of IN 33941 738 12 the the DT 33941 738 13 tube tube NN 33941 738 14 _ _ NNP 33941 738 15 a a DT 33941 738 16 _ _ NNP 33941 738 17 , , , 33941 738 18 about about IN 33941 738 19 an an DT 33941 738 20 inch inch NN 33941 738 21 or or CC 33941 738 22 so so RB 33941 738 23 of of IN 33941 738 24 the the DT 33941 738 25 tube tube NN 33941 738 26 near near IN 33941 738 27 the the DT 33941 738 28 contracted contract VBN 33941 738 29 part part NN 33941 738 30 should should MD 33941 738 31 be be VB 33941 738 32 warmed warm VBN 33941 738 33 a a DT 33941 738 34 little little JJ 33941 738 35 , , , 33941 738 36 if if IN 33941 738 37 it -PRON- PRP 33941 738 38 is be VBZ 33941 738 39 not not RB 33941 738 40 already already RB 33941 738 41 warm warm JJ 33941 738 42 , , , 33941 738 43 at at IN 33941 738 44 the the DT 33941 738 45 moment moment NN 33941 738 46 of of IN 33941 738 47 finally finally RB 33941 738 48 sealing seal VBG 33941 738 49 it -PRON- PRP 33941 738 50 ; ; : 33941 738 51 the the DT 33941 738 52 contraction contraction NN 33941 738 53 of of IN 33941 738 54 the the DT 33941 738 55 air air NN 33941 738 56 in in IN 33941 738 57 the the DT 33941 738 58 tube tube NN 33941 738 59 , , , 33941 738 60 in in IN 33941 738 61 consequence consequence NN 33941 738 62 of of IN 33941 738 63 the the DT 33941 738 64 cooling cooling NN 33941 738 65 of of IN 33941 738 66 the the DT 33941 738 67 warm warm JJ 33941 738 68 tube tube NN 33941 738 69 , , , 33941 738 70 will will MD 33941 738 71 then then RB 33941 738 72 ensure ensure VB 33941 738 73 the the DT 33941 738 74 glass glass NN 33941 738 75 at at IN 33941 738 76 _ _ NNP 33941 738 77 a a DT 33941 738 78 _ _ NNP 33941 738 79 running run VBG 33941 738 80 together together RB 33941 738 81 to to IN 33941 738 82 a a DT 33941 738 83 solid solid JJ 33941 738 84 end end NN 33941 738 85 when when WRB 33941 738 86 it -PRON- PRP 33941 738 87 is be VBZ 33941 738 88 melted melt VBN 33941 738 89 in in IN 33941 738 90 the the DT 33941 738 91 flame flame NN 33941 738 92 . . . 33941 739 1 If if IN 33941 739 2 it -PRON- PRP 33941 739 3 will will MD 33941 739 4 be be VB 33941 739 5 necessary necessary JJ 33941 739 6 to to TO 33941 739 7 collect collect VB 33941 739 8 a a DT 33941 739 9 gas gas NN 33941 739 10 produced produce VBN 33941 739 11 during during IN 33941 739 12 a a DT 33941 739 13 chemical chemical JJ 33941 739 14 action action NN 33941 739 15 from from IN 33941 739 16 such such PDT 33941 739 17 a a DT 33941 739 18 tube tube NN 33941 739 19 , , , 33941 739 20 make make VB 33941 739 21 the the DT 33941 739 22 contracted contract VBN 33941 739 23 end end NN 33941 739 24 several several JJ 33941 739 25 inches inch NNS 33941 739 26 long long JJ 33941 739 27 , , , 33941 739 28 and and CC 33941 739 29 bend bend VB 33941 739 30 it -PRON- PRP 33941 739 31 into into IN 33941 739 32 the the DT 33941 739 33 form form NN 33941 739 34 of of IN 33941 739 35 a a DT 33941 739 36 delivery delivery NN 33941 739 37 tube tube NN 33941 739 38 . . . 33941 740 1 It -PRON- PRP 33941 740 2 will will MD 33941 740 3 then then RB 33941 740 4 be be VB 33941 740 5 possible possible JJ 33941 740 6 to to TO 33941 740 7 break break VB 33941 740 8 the the DT 33941 740 9 tip tip NN 33941 740 10 of of IN 33941 740 11 this this DT 33941 740 12 under under IN 33941 740 13 a a DT 33941 740 14 cylinder cylinder NN 33941 740 15 in in IN 33941 740 16 a a DT 33941 740 17 trough trough NN 33941 740 18 of of IN 33941 740 19 liquid liquid NN 33941 740 20 . . . 33941 741 1 = = NFP 33941 741 2 In in IN 33941 741 3 order order NN 33941 741 4 to to TO 33941 741 5 explain explain VB 33941 741 6 the the DT 33941 741 7 construction construction NN 33941 741 8 of of IN 33941 741 9 apparatus apparatus NN 33941 741 10 consisting consisting NN 33941 741 11 of of IN 33941 741 12 several several JJ 33941 741 13 parts= parts= NN 33941 741 14 , , , 33941 741 15 it -PRON- PRP 33941 741 16 will will MD 33941 741 17 be be VB 33941 741 18 sufficient sufficient JJ 33941 741 19 to to TO 33941 741 20 take take VB 33941 741 21 as as IN 33941 741 22 examples example NNS 33941 741 23 , , , 33941 741 24 two two CD 33941 741 25 very very RB 33941 741 26 well well RB 33941 741 27 - - HYPH 33941 741 28 known know VBN 33941 741 29 instruments instrument NNS 33941 741 30 , , , 33941 741 31 and and CC 33941 741 32 to to TO 33941 741 33 describe describe VB 33941 741 34 their -PRON- PRP$ 33941 741 35 construction construction NN 33941 741 36 in in IN 33941 741 37 detail detail NN 33941 741 38 . . . 33941 742 1 From from IN 33941 742 2 what what WP 33941 742 3 is be VBZ 33941 742 4 learned learn VBN 33941 742 5 in in IN 33941 742 6 studying study VBG 33941 742 7 these these DT 33941 742 8 , , , 33941 742 9 the the DT 33941 742 10 student student NN 33941 742 11 will will MD 33941 742 12 gather gather VB 33941 742 13 the the DT 33941 742 14 information information NN 33941 742 15 that that WDT 33941 742 16 is be VBZ 33941 742 17 wanted want VBN 33941 742 18 . . . 33941 743 1 [ [ -LRB- 33941 743 2 Illustration illustration NN 33941 743 3 : : : 33941 743 4 FIG FIG NNP 33941 743 5 . . . 33941 744 1 27 27 CD 33941 744 2 . . . 33941 744 3 ] ] -RRB- 33941 745 1 1 1 LS 33941 745 2 . . . 33941 746 1 _ _ NNP 33941 746 2 To to TO 33941 746 3 make make VB 33941 746 4 Hofman Hofman NNP 33941 746 5 's 's POS 33941 746 6 Apparatus Apparatus NNP 33941 746 7 for for IN 33941 746 8 the the DT 33941 746 9 electrolysis electrolysis NN 33941 746 10 of of IN 33941 746 11 water water NN 33941 746 12 _ _ NNP 33941 746 13 ( ( -LRB- 33941 746 14 Fig Fig NNP 33941 746 15 . . . 33941 747 1 27 27 CD 33941 747 2 ) ) -RRB- 33941 747 3 . . . 33941 748 1 Take take VB 33941 748 2 two two CD 33941 748 3 tubes tube NNS 33941 748 4 about about IN 33941 748 5 35 35 CD 33941 748 6 cm cm NNS 33941 748 7 . . . 33941 749 1 in in IN 33941 749 2 length length NN 33941 749 3 , , , 33941 749 4 and and CC 33941 749 5 14 14 CD 33941 749 6 mm mm CD 33941 749 7 . . . 33941 750 1 in in IN 33941 750 2 diameter diameter NN 33941 750 3 for for IN 33941 750 4 _ _ NNP 33941 750 5 AA AA NNP 33941 750 6 _ _ NNP 33941 750 7 , , , 33941 750 8 join join VB 33941 750 9 taps tap NNS 33941 750 10 _ _ NNP 33941 750 11 TT TT NNP 33941 750 12 _ _ NNP 33941 750 13 to to IN 33941 750 14 the the DT 33941 750 15 end end NN 33941 750 16 _ _ NNP 33941 750 17 B B NNP 33941 750 18 _ _ NNP 33941 750 19 of of IN 33941 750 20 each each DT 33941 750 21 of of IN 33941 750 22 them -PRON- PRP 33941 750 23 , , , 33941 750 24 draw draw VB 33941 750 25 out out RP 33941 750 26 the the DT 33941 750 27 other other JJ 33941 750 28 end end NN 33941 750 29 , , , 33941 750 30 as as IN 33941 750 31 shown show VBN 33941 750 32 at at IN 33941 750 33 _ _ NNP 33941 750 34 D D NNP 33941 750 35 _ _ NNP 33941 750 36 , , , 33941 750 37 after after IN 33941 750 38 sheets sheet NNS 33941 750 39 of of IN 33941 750 40 platinum platinum NN 33941 750 41 foil foil NN 33941 750 42 with with IN 33941 750 43 wires wire NNS 33941 750 44 attached attach VBN 33941 750 45 to to IN 33941 750 46 them[12 them[12 NNP 33941 750 47 ] ] -RRB- 33941 750 48 have have VBP 33941 750 49 been be VBN 33941 750 50 introduced introduce VBN 33941 750 51 into into IN 33941 750 52 the the DT 33941 750 53 tubes tube NNS 33941 750 54 , , , 33941 750 55 and and CC 33941 750 56 moved move VBD 33941 750 57 by by IN 33941 750 58 shaking shake VBG 33941 750 59 to to IN 33941 750 60 _ _ NNP 33941 750 61 BB BB NNP 33941 750 62 _ _ NNP 33941 750 63 . . . 33941 751 1 Then then RB 33941 751 2 allow allow VB 33941 751 3 the the DT 33941 751 4 platinum platinum NN 33941 751 5 wires wire NNS 33941 751 6 to to TO 33941 751 7 pass pass VB 33941 751 8 through through IN 33941 751 9 the the DT 33941 751 10 opening opening NN 33941 751 11 _ _ NNP 33941 751 12 D D NNP 33941 751 13 _ _ NNP 33941 751 14 left leave VBD 33941 751 15 for for IN 33941 751 16 the the DT 33941 751 17 purpose purpose NN 33941 751 18 , , , 33941 751 19 and and CC 33941 751 20 seal seal VB 33941 751 21 the the DT 33941 751 22 glass glass NN 33941 751 23 at at IN 33941 751 24 _ _ NNP 33941 751 25 D D NNP 33941 751 26 _ _ NNP 33941 751 27 round round IN 33941 751 28 the the DT 33941 751 29 platinum platinum NN 33941 751 30 as as IN 33941 751 31 at at IN 33941 751 32 _ _ NNP 33941 751 33 E E NNP 33941 751 34 _ _ NNP 33941 751 35 . . . 33941 752 1 Pierce pierce VB 33941 752 2 the the DT 33941 752 3 tubes tube NNS 33941 752 4 at at IN 33941 752 5 _ _ NNP 33941 752 6 JJ JJ NNP 33941 752 7 _ _ NNP 33941 752 8 , , , 33941 752 9 and and CC 33941 752 10 join join VB 33941 752 11 them -PRON- PRP 33941 752 12 by by IN 33941 752 13 a a DT 33941 752 14 short short JJ 33941 752 15 piece piece NN 33941 752 16 of of IN 33941 752 17 tube tube NN 33941 752 18 _ _ NNP 33941 752 19 K K NNP 33941 752 20 _ _ NNP 33941 752 21 , , , 33941 752 22 about about RB 33941 752 23 14 14 CD 33941 752 24 mm mm CD 33941 752 25 . . . 33941 753 1 in in IN 33941 753 2 diameter diameter NN 33941 753 3 , , , 33941 753 4 to to TO 33941 753 5 which which WDT 33941 753 6 the the DT 33941 753 7 tube tube NN 33941 753 8 _ _ NNP 33941 753 9 T T NNP 33941 753 10 _ _ NNP 33941 753 11 , , , 33941 753 12 carrying carry VBG 33941 753 13 the the DT 33941 753 14 reservoir reservoir NN 33941 753 15 _ _ NNP 33941 753 16 R R NNP 33941 753 17 _ _ NNP 33941 753 18 , , , 33941 753 19 has have VBZ 33941 753 20 been be VBN 33941 753 21 previously previously RB 33941 753 22 united unite VBN 33941 753 23 . . . 33941 754 1 _ _ NNP 33941 754 2 R R NNP 33941 754 3 _ _ NNP 33941 754 4 may may MD 33941 754 5 be be VB 33941 754 6 made make VBN 33941 754 7 by by IN 33941 754 8 blowing blow VBG 33941 754 9 a a DT 33941 754 10 bulb bulb NN 33941 754 11 from from IN 33941 754 12 a a DT 33941 754 13 larger large JJR 33941 754 14 piece piece NN 33941 754 15 of of IN 33941 754 16 tube tube NN 33941 754 17 attached attach VBN 33941 754 18 to to IN 33941 754 19 the the DT 33941 754 20 end end NN 33941 754 21 of of IN 33941 754 22 _ _ NNP 33941 754 23 T T NNP 33941 754 24 _ _ NNP 33941 754 25 . . . 33941 755 1 The the DT 33941 755 2 mouth mouth NN 33941 755 3 _ _ NNP 33941 755 4 M M NNP 33941 755 5 _ _ NNP 33941 755 6 of of IN 33941 755 7 the the DT 33941 755 8 reservoir reservoir NN 33941 755 9 being be VBG 33941 755 10 formed form VBN 33941 755 11 from from IN 33941 755 12 the the DT 33941 755 13 other other JJ 33941 755 14 end end NN 33941 755 15 of of IN 33941 755 16 the the DT 33941 755 17 wide wide JJ 33941 755 18 tube tube NN 33941 755 19 afterwards afterwards RB 33941 755 20 . . . 33941 756 1 One one CD 33941 756 2 of of IN 33941 756 3 the the DT 33941 756 4 taps tap NNS 33941 756 5 can can MD 33941 756 6 be be VB 33941 756 7 used use VBN 33941 756 8 for for IN 33941 756 9 blowing blow VBG 33941 756 10 through through RP 33941 756 11 at at IN 33941 756 12 the the DT 33941 756 13 later later JJ 33941 756 14 stages stage NNS 33941 756 15 . . . 33941 757 1 Each each DT 33941 757 2 joint joint JJ 33941 757 3 , , , 33941 757 4 especially especially RB 33941 757 5 those those DT 33941 757 6 at at IN 33941 757 7 _ _ NNP 33941 757 8 JJ JJ NNP 33941 757 9 _ _ NNP 33941 757 10 , , , 33941 757 11 must must MD 33941 757 12 be be VB 33941 757 13 annealed anneal VBN 33941 757 14 after after IN 33941 757 15 it -PRON- PRP 33941 757 16 is be VBZ 33941 757 17 blown blow VBN 33941 757 18 . . . 33941 758 1 Some some DT 33941 758 2 operators operator NNS 33941 758 3 might may MD 33941 758 4 prefer prefer VB 33941 758 5 to to TO 33941 758 6 join join VB 33941 758 7 _ _ NNP 33941 758 8 AA AA NNP 33941 758 9 _ _ NNP 33941 758 10 by by IN 33941 758 11 the the DT 33941 758 12 tube tube NN 33941 758 13 _ _ NNP 33941 758 14 K K NNP 33941 758 15 _ _ NNP 33941 758 16 in in IN 33941 758 17 the the DT 33941 758 18 first first JJ 33941 758 19 instance instance NN 33941 758 20 , , , 33941 758 21 then then RB 33941 758 22 to to TO 33941 758 23 introduce introduce VB 33941 758 24 the the DT 33941 758 25 electrodes electrode NNS 33941 758 26 at at IN 33941 758 27 _ _ NNP 33941 758 28 E E NNP 33941 758 29 _ _ NNP 33941 758 30 and and CC 33941 758 31 _ _ NNP 33941 758 32 D D NNP 33941 758 33 _ _ NNP 33941 758 34 . . . 33941 759 1 In in IN 33941 759 2 some some DT 33941 759 3 respects respect NNS 33941 759 4 this this DT 33941 759 5 plan plan NN 33941 759 6 would would MD 33941 759 7 be be VB 33941 759 8 rather rather RB 33941 759 9 easier easy JJR 33941 759 10 than than IN 33941 759 11 the the DT 33941 759 12 other other JJ 33941 759 13 , , , 33941 759 14 but but CC 33941 759 15 , , , 33941 759 16 on on IN 33941 759 17 the the DT 33941 759 18 whole whole NN 33941 759 19 , , , 33941 759 20 it -PRON- PRP 33941 759 21 is be VBZ 33941 759 22 better well JJR 33941 759 23 to to TO 33941 759 24 make make VB 33941 759 25 the the DT 33941 759 26 joints joint NNS 33941 759 27 at at IN 33941 759 28 _ _ NNP 33941 759 29 JJ JJ NNP 33941 759 30 _ _ NNP 33941 759 31 last last RB 33941 759 32 in in IN 33941 759 33 order order NN 33941 759 34 , , , 33941 759 35 as as IN 33941 759 36 they -PRON- PRP 33941 759 37 are be VBP 33941 759 38 more more RBR 33941 759 39 apt apt JJ 33941 759 40 to to TO 33941 759 41 be be VB 33941 759 42 broken break VBN 33941 759 43 than than IN 33941 759 44 the the DT 33941 759 45 others other NNS 33941 759 46 during during IN 33941 759 47 the the DT 33941 759 48 subsequent subsequent JJ 33941 759 49 manipulations manipulation NNS 33941 759 50 . . . 33941 760 1 [ [ -LRB- 33941 760 2 12 12 CD 33941 760 3 ] ] -RRB- 33941 760 4 Red red JJ 33941 760 5 - - HYPH 33941 760 6 hot hot JJ 33941 760 7 platinum platinum NN 33941 760 8 welds weld VBZ 33941 760 9 very very RB 33941 760 10 well well RB 33941 760 11 . . . 33941 761 1 The the DT 33941 761 2 wire wire NN 33941 761 3 may may MD 33941 761 4 be be VB 33941 761 5 joined join VBN 33941 761 6 to to IN 33941 761 7 the the DT 33941 761 8 sheet sheet NN 33941 761 9 of of IN 33941 761 10 foil foil NN 33941 761 11 by by IN 33941 761 12 placing place VBG 33941 761 13 the the DT 33941 761 14 latter latter NN 33941 761 15 on on IN 33941 761 16 a a DT 33941 761 17 small small JJ 33941 761 18 piece piece NN 33941 761 19 of of IN 33941 761 20 fire fire NN 33941 761 21 - - HYPH 33941 761 22 brick brick NN 33941 761 23 , , , 33941 761 24 holding hold VBG 33941 761 25 the the DT 33941 761 26 wire wire NN 33941 761 27 in in IN 33941 761 28 contact contact NN 33941 761 29 with with IN 33941 761 30 it -PRON- PRP 33941 761 31 at at IN 33941 761 32 the the DT 33941 761 33 place place NN 33941 761 34 where where WRB 33941 761 35 they -PRON- PRP 33941 761 36 are be VBP 33941 761 37 to to TO 33941 761 38 be be VB 33941 761 39 united united JJ 33941 761 40 , , , 33941 761 41 directing direct VBG 33941 761 42 a a DT 33941 761 43 blow blow NN 33941 761 44 - - HYPH 33941 761 45 pipe pipe NN 33941 761 46 flame flame NN 33941 761 47 upon upon IN 33941 761 48 them -PRON- PRP 33941 761 49 till till IN 33941 761 50 they -PRON- PRP 33941 761 51 are be VBP 33941 761 52 at at IN 33941 761 53 an an DT 33941 761 54 intense intense JJ 33941 761 55 heat heat NN 33941 761 56 , , , 33941 761 57 and and CC 33941 761 58 smartly smartly RB 33941 761 59 striking strike VBG 33941 761 60 the the DT 33941 761 61 wire wire NN 33941 761 62 with with IN 33941 761 63 a a DT 33941 761 64 hammer hammer NN 33941 761 65 . . . 33941 762 1 The the DT 33941 762 2 blow blow NN 33941 762 3 should should MD 33941 762 4 be be VB 33941 762 5 several several JJ 33941 762 6 times time NNS 33941 762 7 repeated repeat VBN 33941 762 8 after after IN 33941 762 9 re re NN 33941 762 10 - - NN 33941 762 11 heating heat VBG 33941 762 12 the the DT 33941 762 13 metal metal NN 33941 762 14 . . . 33941 763 1 2 2 LS 33941 763 2 . . . 33941 764 1 I -PRON- PRP 33941 764 2 have have VBP 33941 764 3 before before IN 33941 764 4 me -PRON- PRP 33941 764 5 the the DT 33941 764 6 vacuum vacuum NN 33941 764 7 tube tube NN 33941 764 8 shown show VBN 33941 764 9 by by IN 33941 764 10 Fig Fig NNP 33941 764 11 . . . 33941 765 1 28 28 CD 33941 765 2 , , , 33941 765 3 in in IN 33941 765 4 which which WDT 33941 765 5 the the DT 33941 765 6 dotted dotted JJ 33941 765 7 lines line NNS 33941 765 8 relate relate VBP 33941 765 9 to to IN 33941 765 10 details detail NNS 33941 765 11 of of IN 33941 765 12 manipulation manipulation NN 33941 765 13 only only RB 33941 765 14 . . . 33941 766 1 [ [ -LRB- 33941 766 2 Illustration illustration NN 33941 766 3 : : : 33941 766 4 FIG FIG NNP 33941 766 5 . . . 33941 767 1 28 28 CD 33941 767 2 . . . 33941 767 3 ] ] -RRB- 33941 768 1 It -PRON- PRP 33941 768 2 is be VBZ 33941 768 3 usually usually RB 33941 768 4 possible possible JJ 33941 768 5 to to TO 33941 768 6 detect detect VB 33941 768 7 the the DT 33941 768 8 parts part NNS 33941 768 9 of of IN 33941 768 10 which which WDT 33941 768 11 a a DT 33941 768 12 piece piece NN 33941 768 13 of of IN 33941 768 14 apparatus apparatus NN 33941 768 15 has have VBZ 33941 768 16 been be VBN 33941 768 17 built build VBN 33941 768 18 up up RP 33941 768 19 , , , 33941 768 20 for for IN 33941 768 21 even even RB 33941 768 22 the the DT 33941 768 23 best well RBS 33941 768 24 - - HYPH 33941 768 25 made make VBN 33941 768 26 joints joint NNS 33941 768 27 exhibit exhibit VB 33941 768 28 evidence evidence NN 33941 768 29 of of IN 33941 768 30 their -PRON- PRP$ 33941 768 31 existence existence NN 33941 768 32 . . . 33941 769 1 Thus thus RB 33941 769 2 , , , 33941 769 3 although although IN 33941 769 4 I -PRON- PRP 33941 769 5 did do VBD 33941 769 6 not not RB 33941 769 7 make make VB 33941 769 8 the the DT 33941 769 9 tube tube NN 33941 769 10 that that WDT 33941 769 11 is be VBZ 33941 769 12 before before IN 33941 769 13 me -PRON- PRP 33941 769 14 , , , 33941 769 15 and and CC 33941 769 16 can can MD 33941 769 17 not not RB 33941 769 18 therefore therefore RB 33941 769 19 pretend pretend VB 33941 769 20 to to TO 33941 769 21 say say VB 33941 769 22 precisely precisely RB 33941 769 23 in in IN 33941 769 24 what what WDT 33941 769 25 order order NN 33941 769 26 its -PRON- PRP$ 33941 769 27 parts part NNS 33941 769 28 were be VBD 33941 769 29 made make VBN 33941 769 30 and and CC 33941 769 31 put put VBN 33941 769 32 together together RB 33941 769 33 , , , 33941 769 34 the the DT 33941 769 35 evidence evidence NN 33941 769 36 which which WDT 33941 769 37 it -PRON- PRP 33941 769 38 exhibits exhibit VBZ 33941 769 39 of of IN 33941 769 40 joints joint NNS 33941 769 41 at at IN 33941 769 42 the the DT 33941 769 43 dotted dotted JJ 33941 769 44 lines line NNS 33941 769 45 _ _ NNP 33941 769 46 A A NNP 33941 769 47 _ _ NNP 33941 769 48 , , , 33941 769 49 _ _ NNP 33941 769 50 B B NNP 33941 769 51 _ _ NNP 33941 769 52 , , , 33941 769 53 _ _ NNP 33941 769 54 C C NNP 33941 769 55 _ _ NNP 33941 769 56 , , , 33941 769 57 _ _ NNP 33941 769 58 D D NNP 33941 769 59 _ _ NNP 33941 769 60 , , , 33941 769 61 _ _ NNP 33941 769 62 E E NNP 33941 769 63 _ _ NNP 33941 769 64 , , , 33941 769 65 _ _ NNP 33941 769 66 F F NNP 33941 769 67 _ _ NNP 33941 769 68 , , , 33941 769 69 enables enable VBZ 33941 769 70 me -PRON- PRP 33941 769 71 to to TO 33941 769 72 give give VB 33941 769 73 a a DT 33941 769 74 general general JJ 33941 769 75 idea idea NN 33941 769 76 of of IN 33941 769 77 the the DT 33941 769 78 processes process NNS 33941 769 79 employed employ VBN 33941 769 80 in in IN 33941 769 81 its -PRON- PRP$ 33941 769 82 construction construction NN 33941 769 83 , , , 33941 769 84 and and CC 33941 769 85 to to TO 33941 769 86 explain explain VB 33941 769 87 how how WRB 33941 769 88 a a DT 33941 769 89 similar similar JJ 33941 769 90 tube tube NN 33941 769 91 might may MD 33941 769 92 be be VB 33941 769 93 constructed construct VBN 33941 769 94 . . . 33941 770 1 I -PRON- PRP 33941 770 2 should should MD 33941 770 3 advise advise VB 33941 770 4 proceeding proceed VBG 33941 770 5 as as IN 33941 770 6 follows:-- follows:-- NNP 33941 770 7 Join join VB 33941 770 8 a a DT 33941 770 9 piece piece NN 33941 770 10 of of IN 33941 770 11 tube tube NN 33941 770 12 somewhat somewhat RB 33941 770 13 larger large JJR 33941 770 14 than than IN 33941 770 15 _ _ NNP 33941 770 16 M M NNP 33941 770 17 _ _ NNP 33941 770 18 to to IN 33941 770 19 its -PRON- PRP$ 33941 770 20 end end NN 33941 770 21 _ _ NNP 33941 770 22 A A NNP 33941 770 23 _ _ NNP 33941 770 24 , , , 33941 770 25 draw draw VB 33941 770 26 out out RP 33941 770 27 the the DT 33941 770 28 other other JJ 33941 770 29 end end NN 33941 770 30 of of IN 33941 770 31 the the DT 33941 770 32 larger large JJR 33941 770 33 tube tube NN 33941 770 34 , , , 33941 770 35 and and CC 33941 770 36 blow blow VB 33941 770 37 a a DT 33941 770 38 bulb bulb NN 33941 770 39 _ _ NNP 33941 770 40 L L NNP 33941 770 41 _ _ NNP 33941 770 42 as as IN 33941 770 43 directed direct VBN 33941 770 44 on on IN 33941 770 45 p. p. NN 33941 770 46 47 47 CD 33941 770 47 . . . 33941 771 1 Then then RB 33941 771 2 seal seal VB 33941 771 3 the the DT 33941 771 4 electrode electrode NN 33941 771 5 _ _ NNP 33941 771 6 R R NNP 33941 771 7 _ _ NNP 33941 771 8 into into IN 33941 771 9 the the DT 33941 771 10 bulb bulb NN 33941 771 11 _ _ NNP 33941 771 12 L L NNP 33941 771 13 _ _ NNP 33941 771 14 ( ( -LRB- 33941 771 15 p. p. NN 33941 771 16 55 55 CD 33941 771 17 ) ) -RRB- 33941 771 18 . . . 33941 772 1 Blow blow VB 33941 772 2 a a DT 33941 772 3 similar similar JJ 33941 772 4 but but CC 33941 772 5 larger large JJR 33941 772 6 bulb bulb NN 33941 772 7 _ _ NNP 33941 772 8 N N NNP 33941 772 9 _ _ NNP 33941 772 10 from from IN 33941 772 11 a a DT 33941 772 12 large large JJ 33941 772 13 piece piece NN 33941 772 14 of of IN 33941 772 15 tube tube NN 33941 772 16 sealed seal VBN 33941 772 17 between between IN 33941 772 18 two two CD 33941 772 19 tubes tube NNS 33941 772 20 of of IN 33941 772 21 similar similar JJ 33941 772 22 size size NN 33941 772 23 to to IN 33941 772 24 _ _ NNP 33941 772 25 M M NNP 33941 772 26 _ _ NNP 33941 772 27 , , , 33941 772 28 as as IN 33941 772 29 described describe VBN 33941 772 30 at at IN 33941 772 31 p. p. NN 33941 772 32 50 50 CD 33941 772 33 . . . 33941 773 1 Cut cut VB 33941 773 2 off off RP 33941 773 3 one one CD 33941 773 4 of of IN 33941 773 5 the the DT 33941 773 6 tubes tube NNS 33941 773 7 at at IN 33941 773 8 _ _ NNP 33941 773 9 B B NNP 33941 773 10 _ _ NNP 33941 773 11 , , , 33941 773 12 and and CC 33941 773 13 join join VB 33941 773 14 the the DT 33941 773 15 bulb bulb NN 33941 773 16 _ _ NNP 33941 773 17 N N NNP 33941 773 18 _ _ NNP 33941 773 19 to to IN 33941 773 20 _ _ NNP 33941 773 21 M M NNP 33941 773 22 _ _ NNP 33941 773 23 at at IN 33941 773 24 _ _ NNP 33941 773 25 B B NNP 33941 773 26 _ _ NNP 33941 773 27 . . . 33941 774 1 Form form VB 33941 774 2 the the DT 33941 774 3 bulb bulb NN 33941 774 4 _ _ NNP 33941 774 5 Q Q NNP 33941 774 6 _ _ NNP 33941 774 7 in in IN 33941 774 8 the the DT 33941 774 9 same same JJ 33941 774 10 manner manner NN 33941 774 11 as as IN 33941 774 12 in in IN 33941 774 13 the the DT 33941 774 14 case case NN 33941 774 15 of of IN 33941 774 16 _ _ NNP 33941 774 17 L L NNP 33941 774 18 _ _ NNP 33941 774 19 , , , 33941 774 20 seal seal VB 33941 774 21 into into IN 33941 774 22 it -PRON- PRP 33941 774 23 the the DT 33941 774 24 electrode electrode NN 33941 774 25 _ _ NNP 33941 774 26 R R NNP 33941 774 27 _ _ NNP 33941 774 28 , , , 33941 774 29 and and CC 33941 774 30 add add VB 33941 774 31 the the DT 33941 774 32 tube tube NN 33941 774 33 marked mark VBN 33941 774 34 by by IN 33941 774 35 the the DT 33941 774 36 dotted dotted JJ 33941 774 37 lines line NNS 33941 774 38 at at IN 33941 774 39 _ _ NNP 33941 774 40 F F NNP 33941 774 41 _ _ NNP 33941 774 42 . . . 33941 775 1 Seal seal VB 33941 775 2 a a DT 33941 775 3 narrow narrow JJ 33941 775 4 tube tube NN 33941 775 5 _ _ NNP 33941 775 6 P P NNP 33941 775 7 _ _ NNP 33941 775 8 to to IN 33941 775 9 the the DT 33941 775 10 end end NN 33941 775 11 of of IN 33941 775 12 a a DT 33941 775 13 larger large JJR 33941 775 14 tube tube NN 33941 775 15 , , , 33941 775 16 and and CC 33941 775 17 blow blow VB 33941 775 18 out out RP 33941 775 19 the the DT 33941 775 20 tube tube NN 33941 775 21 at at IN 33941 775 22 the the DT 33941 775 23 joint joint NN 33941 775 24 till till IN 33941 775 25 the the DT 33941 775 26 glass glass NN 33941 775 27 is be VBZ 33941 775 28 thin thin JJ 33941 775 29 and and CC 33941 775 30 regular regular JJ 33941 775 31 . . . 33941 776 1 Take take VB 33941 776 2 a a DT 33941 776 3 tube tube NN 33941 776 4 _ _ NNP 33941 776 5 O O NNP 33941 776 6 _ _ NNP 33941 776 7 , , , 33941 776 8 of of IN 33941 776 9 similar similar JJ 33941 776 10 size size NN 33941 776 11 to to IN 33941 776 12 _ _ NNP 33941 776 13 M M NNP 33941 776 14 _ _ NNP 33941 776 15 , , , 33941 776 16 slightly slightly RB 33941 776 17 longer long JJR 33941 776 18 than than IN 33941 776 19 _ _ NNP 33941 776 20 P P NNP 33941 776 21 _ _ NNP 33941 776 22 , , , 33941 776 23 contract contract VB 33941 776 24 its -PRON- PRP$ 33941 776 25 mouth mouth NN 33941 776 26 slightly slightly RB 33941 776 27 to to TO 33941 776 28 meet meet VB 33941 776 29 the the DT 33941 776 30 wide wide JJ 33941 776 31 end end NN 33941 776 32 of of IN 33941 776 33 _ _ NNP 33941 776 34 P P NNP 33941 776 35 _ _ NNP 33941 776 36 at at IN 33941 776 37 _ _ NNP 33941 776 38 D D NNP 33941 776 39 _ _ NNP 33941 776 40 , , , 33941 776 41 and and CC 33941 776 42 after after IN 33941 776 43 loosely loosely RB 33941 776 44 supporting support VBG 33941 776 45 _ _ NNP 33941 776 46 P P NNP 33941 776 47 _ _ NNP 33941 776 48 inside inside IN 33941 776 49 _ _ NNP 33941 776 50 O o UH 33941 776 51 _ _ NNP 33941 776 52 with with IN 33941 776 53 a a DT 33941 776 54 cork cork NN 33941 776 55 , , , 33941 776 56 or or CC 33941 776 57 otherwise otherwise RB 33941 776 58 , , , 33941 776 59 close close VB 33941 776 60 the the DT 33941 776 61 end end NN 33941 776 62 _ _ NNP 33941 776 63 N N NNP 33941 776 64 _ _ NNP 33941 776 65 of of IN 33941 776 66 _ _ NNP 33941 776 67 O O NNP 33941 776 68 _ _ NNP 33941 776 69 by by IN 33941 776 70 sealing seal VBG 33941 776 71 or or CC 33941 776 72 corking cork VBG 33941 776 73 it -PRON- PRP 33941 776 74 , , , 33941 776 75 and and CC 33941 776 76 join join VB 33941 776 77 _ _ NNP 33941 776 78 P P NNP 33941 776 79 _ _ NNP 33941 776 80 to to IN 33941 776 81 _ _ NNP 33941 776 82 O O NNP 33941 776 83 _ _ NNP 33941 776 84 at at IN 33941 776 85 _ _ NNP 33941 776 86 D D NNP 33941 776 87 _ _ NNP 33941 776 88 . . . 33941 777 1 Cut cut VB 33941 777 2 off off RP 33941 777 3 _ _ NNP 33941 777 4 O o UH 33941 777 5 _ _ NNP 33941 777 6 just just RB 33941 777 7 above above IN 33941 777 8 _ _ NNP 33941 777 9 D D NNP 33941 777 10 _ _ NNP 33941 777 11 at at IN 33941 777 12 _ _ NNP 33941 777 13 E E NNP 33941 777 14 _ _ NNP 33941 777 15 , , , 33941 777 16 and and CC 33941 777 17 join join VB 33941 777 18 it -PRON- PRP 33941 777 19 to to IN 33941 777 20 the the DT 33941 777 21 bulb bulb NN 33941 777 22 _ _ NNP 33941 777 23 Q Q NNP 33941 777 24 _ _ NNP 33941 777 25 , , , 33941 777 26 closing close VBG 33941 777 27 either either CC 33941 777 28 _ _ NNP 33941 777 29 O o UH 33941 777 30 _ _ NNP 33941 777 31 or or CC 33941 777 32 _ _ NNP 33941 777 33 F F NNP 33941 777 34 _ _ NNP 33941 777 35 for for IN 33941 777 36 the the DT 33941 777 37 purpose purpose NN 33941 777 38 . . . 33941 778 1 Cut cut VB 33941 778 2 off off RP 33941 778 3 the the DT 33941 778 4 end end NN 33941 778 5 of of IN 33941 778 6 _ _ NNP 33941 778 7 O O NNP 33941 778 8 _ _ NNP 33941 778 9 at at IN 33941 778 10 _ _ NNP 33941 778 11 C C NNP 33941 778 12 _ _ NNP 33941 778 13 parallel parallel NN 33941 778 14 to to IN 33941 778 15 the the DT 33941 778 16 end end NN 33941 778 17 of of IN 33941 778 18 _ _ NNP 33941 778 19 P P NNP 33941 778 20 _ _ NNP 33941 778 21 , , , 33941 778 22 and and CC 33941 778 23 connect connect VB 33941 778 24 _ _ NNP 33941 778 25 O O NNP 33941 778 26 _ _ NNP 33941 778 27 to to IN 33941 778 28 _ _ NNP 33941 778 29 N N NNP 33941 778 30 _ _ NNP 33941 778 31 , , , 33941 778 32 using use VBG 33941 778 33 _ _ NNP 33941 778 34 F F NNP 33941 778 35 _ _ NNP 33941 778 36 for for IN 33941 778 37 blowing blow VBG 33941 778 38 the the DT 33941 778 39 joint joint NN 33941 778 40 at at IN 33941 778 41 _ _ NNP 33941 778 42 C C NNP 33941 778 43 _ _ NNP 33941 778 44 . . . 33941 779 1 _ _ NNP 33941 779 2 F F NNP 33941 779 3 _ _ NNP 33941 779 4 may may MD 33941 779 5 be be VB 33941 779 6 used use VBN 33941 779 7 subsequently subsequently RB 33941 779 8 for for IN 33941 779 9 introducing introduce VBG 33941 779 10 any any DT 33941 779 11 gas gas NN 33941 779 12 into into IN 33941 779 13 the the DT 33941 779 14 tube tube NN 33941 779 15 , , , 33941 779 16 and and CC 33941 779 17 , , , 33941 779 18 when when WRB 33941 779 19 a a DT 33941 779 20 vacuum vacuum NN 33941 779 21 has have VBZ 33941 779 22 been be VBN 33941 779 23 established establish VBN 33941 779 24 , , , 33941 779 25 may may MD 33941 779 26 be be VB 33941 779 27 sealed seal VBN 33941 779 28 before before IN 33941 779 29 the the DT 33941 779 30 blow blow NN 33941 779 31 - - HYPH 33941 779 32 pipe pipe NN 33941 779 33 . . . 33941 780 1 [ [ -LRB- 33941 780 2 Illustration illustration NN 33941 780 3 : : : 33941 780 4 FIG FIG NNP 33941 780 5 . . . 33941 781 1 29 29 CD 33941 781 2 . . . 33941 781 3 ] ] -RRB- 33941 782 1 = = NFP 33941 782 2 Modes mode NNS 33941 782 3 of of IN 33941 782 4 combining combine VBG 33941 782 5 the the DT 33941 782 6 Parts Parts NNPS 33941 782 7 of of IN 33941 782 8 Heavy Heavy NNP 33941 782 9 Apparatus.=--It Apparatus.=--It NNP 33941 782 10 is be VBZ 33941 782 11 often often RB 33941 782 12 necessary necessary JJ 33941 782 13 to to TO 33941 782 14 connect connect VB 33941 782 15 pieces piece NNS 33941 782 16 of of IN 33941 782 17 apparatus apparatus NN 33941 782 18 which which WDT 33941 782 19 are be VBP 33941 782 20 too too RB 33941 782 21 heavy heavy JJ 33941 782 22 to to TO 33941 782 23 be be VB 33941 782 24 freely freely RB 33941 782 25 handled handle VBN 33941 782 26 before before IN 33941 782 27 the the DT 33941 782 28 blow blow NN 33941 782 29 - - HYPH 33941 782 30 pipe pipe NN 33941 782 31 , , , 33941 782 32 and and CC 33941 782 33 which which WDT 33941 782 34 , , , 33941 782 35 therefore therefore RB 33941 782 36 , , , 33941 782 37 can can MD 33941 782 38 not not RB 33941 782 39 be be VB 33941 782 40 welded weld VBN 33941 782 41 together together RB 33941 782 42 as as IN 33941 782 43 described describe VBN 33941 782 44 on on IN 33941 782 45 p. p. NN 33941 782 46 39 39 CD 33941 782 47 , , , 33941 782 48 by by IN 33941 782 49 some some DT 33941 782 50 more more RBR 33941 782 51 effective effective JJ 33941 782 52 method method NN 33941 782 53 than than IN 33941 782 54 the the DT 33941 782 55 ordinary ordinary JJ 33941 782 56 one one CD 33941 782 57 of of IN 33941 782 58 connecting connect VBG 33941 782 59 by by IN 33941 782 60 india india NNP 33941 782 61 - - HYPH 33941 782 62 rubber rubber NNP 33941 782 63 tubing tubing NN 33941 782 64 . . . 33941 783 1 For for IN 33941 783 2 example example NN 33941 783 3 , , , 33941 783 4 apparatus apparatus NN 33941 783 5 which which WDT 33941 783 6 is be VBZ 33941 783 7 to to TO 33941 783 8 be be VB 33941 783 9 exhausted exhaust VBN 33941 783 10 by by IN 33941 783 11 a a DT 33941 783 12 Sprengel Sprengel NNP 33941 783 13 air air NN 33941 783 14 - - HYPH 33941 783 15 pump pump NN 33941 783 16 must must MD 33941 783 17 be be VB 33941 783 18 attached attach VBN 33941 783 19 to to IN 33941 783 20 the the DT 33941 783 21 pump pump NN 33941 783 22 by by IN 33941 783 23 a a DT 33941 783 24 joint joint NN 33941 783 25 as as IN 33941 783 26 perfectly perfectly RB 33941 783 27 air air NN 33941 783 28 - - HYPH 33941 783 29 tight tight JJ 33941 783 30 as as IN 33941 783 31 can can MD 33941 783 32 be be VB 33941 783 33 obtained obtain VBN 33941 783 34 . . . 33941 784 1 This this DT 33941 784 2 , , , 33941 784 3 indeed indeed RB 33941 784 4 , , , 33941 784 5 often often RB 33941 784 6 may may MD 33941 784 7 be be VB 33941 784 8 done do VBN 33941 784 9 by by IN 33941 784 10 welding weld VBG 33941 784 11 the the DT 33941 784 12 apparatus apparatus NN 33941 784 13 to to TO 33941 784 14 be be VB 33941 784 15 exhausted exhaust VBN 33941 784 16 to to IN 33941 784 17 the the DT 33941 784 18 air air NN 33941 784 19 - - HYPH 33941 784 20 pump pump NN 33941 784 21 before before IN 33941 784 22 the the DT 33941 784 23 blow blow NN 33941 784 24 - - HYPH 33941 784 25 pipe pipe NN 33941 784 26 . . . 33941 785 1 But but CC 33941 785 2 such such PDT 33941 785 3 a a DT 33941 785 4 method method NN 33941 785 5 is be VBZ 33941 785 6 open open JJ 33941 785 7 to to IN 33941 785 8 the the DT 33941 785 9 obvious obvious JJ 33941 785 10 objection objection NN 33941 785 11 that that IN 33941 785 12 it -PRON- PRP 33941 785 13 is be VBZ 33941 785 14 very very RB 33941 785 15 troublesome troublesome JJ 33941 785 16 to to TO 33941 785 17 connect connect VB 33941 785 18 and and CC 33941 785 19 disconnect disconnect VB 33941 785 20 the the DT 33941 785 21 parts part NNS 33941 785 22 as as RB 33941 785 23 often often RB 33941 785 24 as as IN 33941 785 25 may may MD 33941 785 26 be be VB 33941 785 27 necessary necessary JJ 33941 785 28 , , , 33941 785 29 and and CC 33941 785 30 that that IN 33941 785 31 there there EX 33941 785 32 is be VBZ 33941 785 33 some some DT 33941 785 34 risk risk NN 33941 785 35 of of IN 33941 785 36 accidental accidental JJ 33941 785 37 breakages breakage NNS 33941 785 38 . . . 33941 786 1 Nevertheless nevertheless RB 33941 786 2 it -PRON- PRP 33941 786 3 may may MD 33941 786 4 be be VB 33941 786 5 done do VBN 33941 786 6 on on IN 33941 786 7 occasion occasion NN 33941 786 8 , , , 33941 786 9 especially especially RB 33941 786 10 if if IN 33941 786 11 there there EX 33941 786 12 be be VB 33941 786 13 no no DT 33941 786 14 objection objection NN 33941 786 15 to to IN 33941 786 16 the the DT 33941 786 17 use use NN 33941 786 18 of of IN 33941 786 19 the the DT 33941 786 20 flexible flexible JJ 33941 786 21 spiral spiral JJ 33941 786 22 tubes tube NNS 33941 786 23 already already RB 33941 786 24 alluded allude VBD 33941 786 25 to to IN 33941 786 26 . . . 33941 787 1 When when WRB 33941 787 2 the the DT 33941 787 3 use use NN 33941 787 4 of of IN 33941 787 5 a a DT 33941 787 6 spiral spiral JJ 33941 787 7 connecting connect VBG 33941 787 8 - - HYPH 33941 787 9 tube tube NN 33941 787 10 is be VBZ 33941 787 11 not not RB 33941 787 12 admissible admissible JJ 33941 787 13 the the DT 33941 787 14 difficulty difficulty NN 33941 787 15 is be VBZ 33941 787 16 considerably considerably RB 33941 787 17 increased increase VBN 33941 787 18 . . . 33941 788 1 For for IN 33941 788 2 example example NN 33941 788 3 , , , 33941 788 4 the the DT 33941 788 5 author author NN 33941 788 6 has have VBZ 33941 788 7 lately lately RB 33941 788 8 required require VBN 33941 788 9 to to TO 33941 788 10 attach attach VB 33941 788 11 an an DT 33941 788 12 ozone ozone NN 33941 788 13 generator generator NN 33941 788 14 , , , 33941 788 15 of of IN 33941 788 16 the the DT 33941 788 17 form form NN 33941 788 18 shown show VBN 33941 788 19 by by IN 33941 788 20 Fig Fig NNP 33941 788 21 . . . 33941 789 1 19 19 CD 33941 789 2 , , , 33941 789 3 which which WDT 33941 789 4 previously previously RB 33941 789 5 had have VBD 33941 789 6 been be VBN 33941 789 7 cemented cement VBN 33941 789 8 into into IN 33941 789 9 a a DT 33941 789 10 heavy heavy JJ 33941 789 11 copper copper NN 33941 789 12 jacket jacket NN 33941 789 13 , , , 33941 789 14 to to IN 33941 789 15 a a DT 33941 789 16 pressure pressure NN 33941 789 17 - - HYPH 33941 789 18 gauge gauge NN 33941 789 19 rigidly rigidly RB 33941 789 20 fixed fix VBN 33941 789 21 to to IN 33941 789 22 a a DT 33941 789 23 support support NN 33941 789 24 , , , 33941 789 25 and and CC 33941 789 26 of of IN 33941 789 27 considerable considerable JJ 33941 789 28 size size NN 33941 789 29 . . . 33941 790 1 The the DT 33941 790 2 employment employment NN 33941 790 3 of of IN 33941 790 4 a a DT 33941 790 5 flexible flexible JJ 33941 790 6 spiral spiral JJ 33941 790 7 connection connection NN 33941 790 8 was be VBD 33941 790 9 prohibited prohibit VBN 33941 790 10 by by IN 33941 790 11 the the DT 33941 790 12 fact fact NN 33941 790 13 that that IN 33941 790 14 it -PRON- PRP 33941 790 15 was be VBD 33941 790 16 necessary necessary JJ 33941 790 17 that that IN 33941 790 18 the the DT 33941 790 19 volume volume NN 33941 790 20 of of IN 33941 790 21 the the DT 33941 790 22 connecting connect VBG 33941 790 23 - - HYPH 33941 790 24 tube tube NN 33941 790 25 should should MD 33941 790 26 be be VB 33941 790 27 but but CC 33941 790 28 a a DT 33941 790 29 small small JJ 33941 790 30 fraction fraction NN 33941 790 31 of of IN 33941 790 32 that that DT 33941 790 33 of of IN 33941 790 34 the the DT 33941 790 35 ozone ozone NN 33941 790 36 generator generator NN 33941 790 37 , , , 33941 790 38 a a DT 33941 790 39 condition condition NN 33941 790 40 which which WDT 33941 790 41 compelled compel VBD 33941 790 42 the the DT 33941 790 43 use use NN 33941 790 44 of of IN 33941 790 45 a a DT 33941 790 46 tube tube NN 33941 790 47 of of IN 33941 790 48 almost almost RB 33941 790 49 capillary capillary JJ 33941 790 50 bore bore NN 33941 790 51 , , , 33941 790 52 and and CC 33941 790 53 of of IN 33941 790 54 inconsiderable inconsiderable JJ 33941 790 55 length length NN 33941 790 56 . . . 33941 791 1 At at IN 33941 791 2 the the DT 33941 791 3 same same JJ 33941 791 4 time time NN 33941 791 5 the the DT 33941 791 6 frailness frailness NN 33941 791 7 of of IN 33941 791 8 such such PDT 33941 791 9 a a DT 33941 791 10 connection connection NN 33941 791 11 made make VBD 33941 791 12 it -PRON- PRP 33941 791 13 necessary necessary JJ 33941 791 14 to to TO 33941 791 15 fix fix VB 33941 791 16 the the DT 33941 791 17 generator generator NN 33941 791 18 and and CC 33941 791 19 pressure pressure NN 33941 791 20 - - HYPH 33941 791 21 gauge gauge NN 33941 791 22 rigidly rigidly RB 33941 791 23 to to IN 33941 791 24 their -PRON- PRP$ 33941 791 25 supports support NNS 33941 791 26 , , , 33941 791 27 in in IN 33941 791 28 order order NN 33941 791 29 to to TO 33941 791 30 avoid avoid VB 33941 791 31 the the DT 33941 791 32 possibility possibility NN 33941 791 33 of of IN 33941 791 34 breakage breakage NN 33941 791 35 by by IN 33941 791 36 slight slight JJ 33941 791 37 accidental accidental JJ 33941 791 38 movements movement NNS 33941 791 39 of of IN 33941 791 40 either either DT 33941 791 41 of of IN 33941 791 42 them -PRON- PRP 33941 791 43 , , , 33941 791 44 and and CC 33941 791 45 it -PRON- PRP 33941 791 46 was be VBD 33941 791 47 obviously obviously RB 33941 791 48 necessary necessary JJ 33941 791 49 to to TO 33941 791 50 fix fix VB 33941 791 51 the the DT 33941 791 52 pieces piece NNS 33941 791 53 of of IN 33941 791 54 apparatus apparatus NN 33941 791 55 in in IN 33941 791 56 their -PRON- PRP$ 33941 791 57 final final JJ 33941 791 58 positions position NNS 33941 791 59 before before IN 33941 791 60 joining join VBG 33941 791 61 them -PRON- PRP 33941 791 62 , , , 33941 791 63 lest lest IN 33941 791 64 the the DT 33941 791 65 fine fine JJ 33941 791 66 tube tube NN 33941 791 67 which which WDT 33941 791 68 connected connect VBD 33941 791 69 them -PRON- PRP 33941 791 70 should should MD 33941 791 71 be be VB 33941 791 72 fractured fracture VBN 33941 791 73 during during IN 33941 791 74 adjustment adjustment NN 33941 791 75 . . . 33941 792 1 The the DT 33941 792 2 possibility possibility NN 33941 792 3 of of IN 33941 792 4 a a DT 33941 792 5 strain strain NN 33941 792 6 being be VBG 33941 792 7 caused cause VBN 33941 792 8 by by IN 33941 792 9 the the DT 33941 792 10 contraction contraction NN 33941 792 11 that that WDT 33941 792 12 would would MD 33941 792 13 occur occur VB 33941 792 14 during during IN 33941 792 15 the the DT 33941 792 16 cooling cool VBG 33941 792 17 down down RP 33941 792 18 of of IN 33941 792 19 the the DT 33941 792 20 joint joint NN 33941 792 21 last last JJ 33941 792 22 made make VBN 33941 792 23 had have VBD 33941 792 24 to to TO 33941 792 25 be be VB 33941 792 26 provided provide VBN 33941 792 27 for for IN 33941 792 28 also also RB 33941 792 29 . . . 33941 793 1 The the DT 33941 793 2 desired desire VBN 33941 793 3 object object NN 33941 793 4 was be VBD 33941 793 5 effected effect VBN 33941 793 6 as as IN 33941 793 7 follows follow VBZ 33941 793 8 . . . 33941 794 1 In in IN 33941 794 2 Fig Fig NNP 33941 794 3 . . . 33941 795 1 29 29 CD 33941 795 2 _ _ NNP 33941 795 3 A A NNP 33941 795 4 _ _ NNP 33941 795 5 represents represent VBZ 33941 795 6 a a DT 33941 795 7 section section NN 33941 795 8 of of IN 33941 795 9 the the DT 33941 795 10 ozone ozone NN 33941 795 11 generator generator NN 33941 795 12 at at IN 33941 795 13 the the DT 33941 795 14 point point NN 33941 795 15 where where WRB 33941 795 16 the the DT 33941 795 17 tube tube NN 33941 795 18 to to TO 33941 795 19 connect connect VB 33941 795 20 it -PRON- PRP 33941 795 21 to to IN 33941 795 22 the the DT 33941 795 23 gauge gauge NN 33941 795 24 was be VBD 33941 795 25 fixed fix VBN 33941 795 26 . . . 33941 796 1 _ _ NNP 33941 796 2 B B NNP 33941 796 3 _ _ NNP 33941 796 4 represents represent VBZ 33941 796 5 the the DT 33941 796 6 top top NN 33941 796 7 of of IN 33941 796 8 the the DT 33941 796 9 gauge gauge NN 33941 796 10 , , , 33941 796 11 with with IN 33941 796 12 the the DT 33941 796 13 side side NN 33941 796 14 tube tube NN 33941 796 15 _ _ NNP 33941 796 16 C C NNP 33941 796 17 _ _ NNP 33941 796 18 , , , 33941 796 19 which which WDT 33941 796 20 was be VBD 33941 796 21 to to TO 33941 796 22 be be VB 33941 796 23 connected connect VBN 33941 796 24 with with IN 33941 796 25 that that DT 33941 796 26 from from IN 33941 796 27 _ _ NNP 33941 796 28 A A NNP 33941 796 29 _ _ NNP 33941 796 30 , , , 33941 796 31 viz viz NN 33941 796 32 . . . 33941 797 1 _ _ NNP 33941 797 2 D D NNP 33941 797 3 _ _ NNP 33941 797 4 . . . 33941 798 1 The the DT 33941 798 2 ends end NNS 33941 798 3 of of IN 33941 798 4 _ _ NNP 33941 798 5 C C NNP 33941 798 6 _ _ NNP 33941 798 7 and and CC 33941 798 8 _ _ NNP 33941 798 9 D D NNP 33941 798 10 _ _ NNP 33941 798 11 were be VBD 33941 798 12 expanded expand VBN 33941 798 13 as as IN 33941 798 14 shown show VBN 33941 798 15 at at IN 33941 798 16 _ _ NNP 33941 798 17 D D NNP 33941 798 18 _ _ NNP 33941 798 19 ( ( -LRB- 33941 798 20 by by IN 33941 798 21 melting melt VBG 33941 798 22 them -PRON- PRP 33941 798 23 and and CC 33941 798 24 blowing blow VBG 33941 798 25 them -PRON- PRP 33941 798 26 out out RP 33941 798 27 ) ) -RRB- 33941 798 28 , , , 33941 798 29 so so IN 33941 798 30 that that IN 33941 798 31 one one CD 33941 798 32 of of IN 33941 798 33 them -PRON- PRP 33941 798 34 , , , 33941 798 35 made make VBN 33941 798 36 rather rather RB 33941 798 37 smaller small JJR 33941 798 38 than than IN 33941 798 39 the the DT 33941 798 40 other other JJ 33941 798 41 , , , 33941 798 42 could could MD 33941 798 43 be be VB 33941 798 44 overlapped overlap VBN 33941 798 45 by by IN 33941 798 46 the the DT 33941 798 47 larger large JJR 33941 798 48 one one NN 33941 798 49 . . . 33941 799 1 _ _ NNP 33941 799 2 A A NNP 33941 799 3 _ _ NNP 33941 799 4 and and CC 33941 799 5 _ _ NNP 33941 799 6 B B NNP 33941 799 7 _ _ NNP 33941 799 8 being be VBG 33941 799 9 rigidly rigidly RB 33941 799 10 fixed fix VBN 33941 799 11 in in IN 33941 799 12 their -PRON- PRP$ 33941 799 13 final final JJ 33941 799 14 positions position NNS 33941 799 15 , , , 33941 799 16 with with IN 33941 799 17 _ _ NNP 33941 799 18 C C NNP 33941 799 19 _ _ NNP 33941 799 20 and and CC 33941 799 21 _ _ NNP 33941 799 22 D D NNP 33941 799 23 _ _ NNP 33941 799 24 in in IN 33941 799 25 contact contact NN 33941 799 26 , , , 33941 799 27 as as IN 33941 799 28 shown show VBN 33941 799 29 in in IN 33941 799 30 the the DT 33941 799 31 figure figure NN 33941 799 32 , , , 33941 799 33 all all DT 33941 799 34 openings opening NNS 33941 799 35 in in IN 33941 799 36 the the DT 33941 799 37 apparatus apparatus NN 33941 799 38 were be VBD 33941 799 39 closed closed JJ 33941 799 40 , , , 33941 799 41 except except IN 33941 799 42 one one CD 33941 799 43 , , , 33941 799 44 to to TO 33941 799 45 which which WDT 33941 799 46 was be VBD 33941 799 47 attached attach VBN 33941 799 48 an an DT 33941 799 49 india india NN 33941 799 50 - - HYPH 33941 799 51 rubber rubber NN 33941 799 52 blowing blowing NN 33941 799 53 - - HYPH 33941 799 54 bottle bottle NN 33941 799 55 by by IN 33941 799 56 means mean NNS 33941 799 57 of of IN 33941 799 58 a a DT 33941 799 59 tube tube NN 33941 799 60 of of IN 33941 799 61 india india NNP 33941 799 62 - - HYPH 33941 799 63 rubber rubber NNP 33941 799 64 long long RB 33941 799 65 enough enough RB 33941 799 66 to to TO 33941 799 67 be be VB 33941 799 68 held hold VBN 33941 799 69 in in IN 33941 799 70 the the DT 33941 799 71 hand hand NN 33941 799 72 of of IN 33941 799 73 the the DT 33941 799 74 operator operator NN 33941 799 75 , , , 33941 799 76 and and CC 33941 799 77 to to TO 33941 799 78 allow allow VB 33941 799 79 him -PRON- PRP 33941 799 80 to to TO 33941 799 81 observe observe VB 33941 799 82 the the DT 33941 799 83 operation operation NN 33941 799 84 of of IN 33941 799 85 joining join VBG 33941 799 86 the the DT 33941 799 87 tubes tube NNS 33941 799 88 at at IN 33941 799 89 _ _ NNP 33941 799 90 D D NNP 33941 799 91 _ _ NNP 33941 799 92 . . . 33941 800 1 When when WRB 33941 800 2 everything everything NN 33941 800 3 was be VBD 33941 800 4 in in IN 33941 800 5 readiness readiness NN 33941 800 6 , , , 33941 800 7 a a DT 33941 800 8 very very RB 33941 800 9 small small JJ 33941 800 10 - - HYPH 33941 800 11 pointed pointed JJ 33941 800 12 flame flame NN 33941 800 13 from from IN 33941 800 14 a a DT 33941 800 15 moveable moveable JJ 33941 800 16 blow blow NN 33941 800 17 - - HYPH 33941 800 18 pipe pipe NN 33941 800 19 held hold VBN 33941 800 20 in in IN 33941 800 21 the the DT 33941 800 22 hand hand NN 33941 800 23 was be VBD 33941 800 24 directed direct VBN 33941 800 25 upon upon IN 33941 800 26 the the DT 33941 800 27 glass glass NN 33941 800 28 at at IN 33941 800 29 _ _ NNP 33941 800 30 D D NNP 33941 800 31 _ _ NNP 33941 800 32 till till IN 33941 800 33 it -PRON- PRP 33941 800 34 melted melt VBD 33941 800 35 and and CC 33941 800 36 the the DT 33941 800 37 two two CD 33941 800 38 tubes tube NNS 33941 800 39 united unite VBN 33941 800 40 . . . 33941 801 1 To to TO 33941 801 2 prevent prevent VB 33941 801 3 the the DT 33941 801 4 fine fine JJ 33941 801 5 tube tube NN 33941 801 6 when when WRB 33941 801 7 melted melt VBN 33941 801 8 from from IN 33941 801 9 running run VBG 33941 801 10 into into IN 33941 801 11 a a DT 33941 801 12 solid solid JJ 33941 801 13 mass mass NN 33941 801 14 of of IN 33941 801 15 glass glass NN 33941 801 16 , , , 33941 801 17 and and CC 33941 801 18 so so RB 33941 801 19 becoming become VBG 33941 801 20 closed closed JJ 33941 801 21 , , , 33941 801 22 a a DT 33941 801 23 slight slight JJ 33941 801 24 excess excess NN 33941 801 25 of of IN 33941 801 26 pressure pressure NN 33941 801 27 was be VBD 33941 801 28 maintained maintain VBN 33941 801 29 inside inside IN 33941 801 30 the the DT 33941 801 31 apparatus apparatus NN 33941 801 32 during during IN 33941 801 33 the the DT 33941 801 34 operation operation NN 33941 801 35 by by IN 33941 801 36 forcing force VBG 33941 801 37 air air NN 33941 801 38 into into IN 33941 801 39 it -PRON- PRP 33941 801 40 with with IN 33941 801 41 the the DT 33941 801 42 india india NNP 33941 801 43 - - HYPH 33941 801 44 rubber rubber NNP 33941 801 45 blower blower NN 33941 801 46 from from IN 33941 801 47 the the DT 33941 801 48 moment moment NN 33941 801 49 at at IN 33941 801 50 which which WDT 33941 801 51 _ _ NNP 33941 801 52 C C NNP 33941 801 53 _ _ NNP 33941 801 54 and and CC 33941 801 55 _ _ NNP 33941 801 56 D D NNP 33941 801 57 _ _ NNP 33941 801 58 united united NNP 33941 801 59 . . . 33941 802 1 A a DT 33941 802 2 point point NN 33941 802 3 of of IN 33941 802 4 charcoal charcoal NN 33941 802 5 was be VBD 33941 802 6 kept keep VBN 33941 802 7 in in IN 33941 802 8 readiness readiness NN 33941 802 9 to to TO 33941 802 10 support support VB 33941 802 11 the the DT 33941 802 12 softened soften VBN 33941 802 13 glass glass NN 33941 802 14 at at IN 33941 802 15 _ _ NNP 33941 802 16 D D NNP 33941 802 17 _ _ NNP 33941 802 18 in in IN 33941 802 19 case case NN 33941 802 20 it -PRON- PRP 33941 802 21 showed show VBD 33941 802 22 any any DT 33941 802 23 tendency tendency NN 33941 802 24 to to TO 33941 802 25 fall fall VB 33941 802 26 out out IN 33941 802 27 of of IN 33941 802 28 shape shape NN 33941 802 29 . . . 33941 803 1 The the DT 33941 803 2 V v NN 33941 803 3 - - HYPH 33941 803 4 tube tube NN 33941 803 5 at at IN 33941 803 6 _ _ NNP 33941 803 7 C C NNP 33941 803 8 _ _ NNP 33941 803 9 served serve VBD 33941 803 10 to to TO 33941 803 11 prevent prevent VB 33941 803 12 the the DT 33941 803 13 subsequent subsequent JJ 33941 803 14 fracture fracture NN 33941 803 15 of of IN 33941 803 16 the the DT 33941 803 17 joint joint NN 33941 803 18 in in IN 33941 803 19 consequence consequence NN 33941 803 20 of of IN 33941 803 21 any any DT 33941 803 22 strain strain NN 33941 803 23 caused cause VBN 33941 803 24 by by IN 33941 803 25 the the DT 33941 803 26 contraction contraction NN 33941 803 27 of of IN 33941 803 28 the the DT 33941 803 29 glass glass NN 33941 803 30 in in IN 33941 803 31 cooling cooling NN 33941 803 32 . . . 33941 804 1 [ [ -LRB- 33941 804 2 13 13 CD 33941 804 3 ] ] -RRB- 33941 804 4 [ [ -LRB- 33941 804 5 13 13 CD 33941 804 6 ] ] -RRB- 33941 804 7 For for IN 33941 804 8 a a DT 33941 804 9 method method NN 33941 804 10 of of IN 33941 804 11 joining join VBG 33941 804 12 soda soda NN 33941 804 13 glass glass NN 33941 804 14 to to TO 33941 804 15 lead lead VB 33941 804 16 glass glass NN 33941 804 17 , , , 33941 804 18 see see VB 33941 804 19 p. p. NN 33941 804 20 81 81 CD 33941 804 21 . . . 33941 805 1 It -PRON- PRP 33941 805 2 is be VBZ 33941 805 3 not not RB 33941 805 4 difficult difficult JJ 33941 805 5 to to TO 33941 805 6 connect connect VB 33941 805 7 several several JJ 33941 805 8 pieces piece NNS 33941 805 9 of of IN 33941 805 10 apparatus apparatus NN 33941 805 11 successively successively RB 33941 805 12 in in IN 33941 805 13 this this DT 33941 805 14 manner manner NN 33941 805 15 , , , 33941 805 16 nor nor CC 33941 805 17 is be VBZ 33941 805 18 this this DT 33941 805 19 method method NN 33941 805 20 only only RB 33941 805 21 useful useful JJ 33941 805 22 in in IN 33941 805 23 such such JJ 33941 805 24 cases case NNS 33941 805 25 as as IN 33941 805 26 that that DT 33941 805 27 just just RB 33941 805 28 described describe VBD 33941 805 29 . . . 33941 806 1 Pieces piece NNS 33941 806 2 of of IN 33941 806 3 apparatus apparatus NN 33941 806 4 of of IN 33941 806 5 great great JJ 33941 806 6 length length NN 33941 806 7 and and CC 33941 806 8 weight weight NN 33941 806 9 may may MD 33941 806 10 be be VB 33941 806 11 joined join VBN 33941 806 12 in in IN 33941 806 13 a a DT 33941 806 14 similar similar JJ 33941 806 15 manner manner NN 33941 806 16 , , , 33941 806 17 irrespective irrespective RB 33941 806 18 of of IN 33941 806 19 the the DT 33941 806 20 size size NN 33941 806 21 of of IN 33941 806 22 the the DT 33941 806 23 tubes tube NNS 33941 806 24 to to TO 33941 806 25 be be VB 33941 806 26 united united JJ 33941 806 27 . . . 33941 807 1 The the DT 33941 807 2 ends end NNS 33941 807 3 to to TO 33941 807 4 be be VB 33941 807 5 joined join VBN 33941 807 6 , , , 33941 807 7 prepared prepare VBN 33941 807 8 as as IN 33941 807 9 before before RB 33941 807 10 , , , 33941 807 11 so so IN 33941 807 12 that that IN 33941 807 13 one one CD 33941 807 14 slightly slightly RB 33941 807 15 overlaps overlap VBZ 33941 807 16 the the DT 33941 807 17 other other JJ 33941 807 18 , , , 33941 807 19 must must MD 33941 807 20 be be VB 33941 807 21 held hold VBN 33941 807 22 firmly firmly RB 33941 807 23 in in IN 33941 807 24 contact contact NN 33941 807 25 by by IN 33941 807 26 clamps clamp NNS 33941 807 27 , , , 33941 807 28 and and CC 33941 807 29 heated heat VBN 33941 807 30 in in IN 33941 807 31 successive successive JJ 33941 807 32 portions portion NNS 33941 807 33 by by IN 33941 807 34 a a DT 33941 807 35 blow blow NN 33941 807 36 - - HYPH 33941 807 37 pipe pipe NN 33941 807 38 held hold VBN 33941 807 39 in in IN 33941 807 40 the the DT 33941 807 41 hand hand NN 33941 807 42 of of IN 33941 807 43 the the DT 33941 807 44 operator operator NN 33941 807 45 , , , 33941 807 46 each each DT 33941 807 47 patch patch NN 33941 807 48 of of IN 33941 807 49 glass glass NN 33941 807 50 being be VBG 33941 807 51 re re NN 33941 807 52 - - JJ 33941 807 53 heated heated JJ 33941 807 54 and and CC 33941 807 55 gently gently RB 33941 807 56 blown blow VBN 33941 807 57 , , , 33941 807 58 after after IN 33941 807 59 a a DT 33941 807 60 rough rough JJ 33941 807 61 joint joint NN 33941 807 62 has have VBZ 33941 807 63 been be VBN 33941 807 64 made make VBN 33941 807 65 . . . 33941 808 1 Finally finally RB 33941 808 2 , , , 33941 808 3 a a DT 33941 808 4 larger large JJR 33941 808 5 flame flame NN 33941 808 6 may may MD 33941 808 7 be be VB 33941 808 8 used use VBN 33941 808 9 to to TO 33941 808 10 heat heat VB 33941 808 11 up up RP 33941 808 12 the the DT 33941 808 13 whole whole JJ 33941 808 14 joint joint NN 33941 808 15 for for IN 33941 808 16 its -PRON- PRP$ 33941 808 17 final final JJ 33941 808 18 blowing blowing NN 33941 808 19 . . . 33941 809 1 It -PRON- PRP 33941 809 2 is be VBZ 33941 809 3 important important JJ 33941 809 4 to to TO 33941 809 5 place place VB 33941 809 6 the the DT 33941 809 7 apparatus apparatus NN 33941 809 8 so so IN 33941 809 9 that that IN 33941 809 10 the the DT 33941 809 11 operator operator NN 33941 809 12 has have VBZ 33941 809 13 free free JJ 33941 809 14 access access NN 33941 809 15 to to IN 33941 809 16 it -PRON- PRP 33941 809 17 on on IN 33941 809 18 all all DT 33941 809 19 sides side NNS 33941 809 20 . . . 33941 810 1 A a DT 33941 810 2 revolving revolving JJ 33941 810 3 table table NN 33941 810 4 might may MD 33941 810 5 be be VB 33941 810 6 employed employ VBN 33941 810 7 . . . 33941 811 1 An an DT 33941 811 2 assistant assistant NN 33941 811 3 to to TO 33941 811 4 work work VB 33941 811 5 the the DT 33941 811 6 bellows bellow NNS 33941 811 7 is be VBZ 33941 811 8 necessary necessary JJ 33941 811 9 . . . 33941 812 1 Or or CC 33941 812 2 , , , 33941 812 3 better well JJR 33941 812 4 still still RB 33941 812 5 , , , 33941 812 6 air air NN 33941 812 7 may may MD 33941 812 8 be be VB 33941 812 9 admitted admit VBN 33941 812 10 to to IN 33941 812 11 the the DT 33941 812 12 blow blow NN 33941 812 13 - - HYPH 33941 812 14 pipe pipe NN 33941 812 15 from from IN 33941 812 16 a a DT 33941 812 17 large large JJ 33941 812 18 gas gas NN 33941 812 19 - - HYPH 33941 812 20 bag bag NN 33941 812 21 placed place VBN 33941 812 22 in in IN 33941 812 23 some some DT 33941 812 24 convenient convenient JJ 33941 812 25 position position NN 33941 812 26 . . . 33941 813 1 But but CC 33941 813 2 in in IN 33941 813 3 most most JJS 33941 813 4 cases case NNS 33941 813 5 one one CD 33941 813 6 or or CC 33941 813 7 other other JJ 33941 813 8 of of IN 33941 813 9 the the DT 33941 813 10 following follow VBG 33941 813 11 air air NN 33941 813 12 - - HYPH 33941 813 13 tight tight JJ 33941 813 14 joints joint NNS 33941 813 15 can can MD 33941 813 16 be be VB 33941 813 17 employed employ VBN 33941 813 18 , , , 33941 813 19 and and CC 33941 813 20 will will MD 33941 813 21 be be VB 33941 813 22 found find VBN 33941 813 23 to to TO 33941 813 24 be be VB 33941 813 25 very very RB 33941 813 26 convenient:-- convenient:-- JJ 33941 813 27 = = NFP 33941 813 28 Mercury Mercury NNP 33941 813 29 Joints.=--The joints.=--the IN 33941 813 30 simplest simple JJS 33941 813 31 form form NN 33941 813 32 of of IN 33941 813 33 mercury mercury NNP 33941 813 34 joint joint NNP 33941 813 35 is be VBZ 33941 813 36 shown show VBN 33941 813 37 at at IN 33941 813 38 Fig Fig NNP 33941 813 39 . . . 33941 814 1 30 30 CD 33941 814 2 . . . 33941 815 1 _ _ NNP 33941 815 2 A A NNP 33941 815 3 _ _ NNP 33941 815 4 and and CC 33941 815 5 _ _ NNP 33941 815 6 B B NNP 33941 815 7 _ _ NNP 33941 815 8 are be VBP 33941 815 9 the the DT 33941 815 10 two two CD 33941 815 11 tubes tube NNS 33941 815 12 which which WDT 33941 815 13 are be VBP 33941 815 14 to to TO 33941 815 15 be be VB 33941 815 16 connected connect VBN 33941 815 17 . . . 33941 816 1 A a DT 33941 816 2 larger large JJR 33941 816 3 tube tube NN 33941 816 4 or or CC 33941 816 5 cup cup NN 33941 816 6 _ _ NNP 33941 816 7 F F NNP 33941 816 8 _ _ NNP 33941 816 9 is be VBZ 33941 816 10 attached attach VBN 33941 816 11 to to IN 33941 816 12 _ _ NNP 33941 816 13 A A NNP 33941 816 14 _ _ NNP 33941 816 15 by by IN 33941 816 16 the the DT 33941 816 17 india india NNP 33941 816 18 - - HYPH 33941 816 19 rubber rubber NN 33941 816 20 tube tube NN 33941 816 21 _ _ NNP 33941 816 22 E E NNP 33941 816 23 _ _ NNP 33941 816 24 , , , 33941 816 25 and and CC 33941 816 26 placed place VBN 33941 816 27 on on IN 33941 816 28 _ _ NNP 33941 816 29 A A NNP 33941 816 30 _ _ NNP 33941 816 31 so so IN 33941 816 32 that that IN 33941 816 33 the the DT 33941 816 34 end end NN 33941 816 35 of of IN 33941 816 36 _ _ NNP 33941 816 37 B B NNP 33941 816 38 _ _ NNP 33941 816 39 may may MD 33941 816 40 be be VB 33941 816 41 brought bring VBN 33941 816 42 into into IN 33941 816 43 contact contact NN 33941 816 44 with with IN 33941 816 45 _ _ NNP 33941 816 46 A A NNP 33941 816 47 _ _ NNP 33941 816 48 at at IN 33941 816 49 _ _ NNP 33941 816 50 C C NNP 33941 816 51 _ _ NNP 33941 816 52 , , , 33941 816 53 and and CC 33941 816 54 connected connect VBN 33941 816 55 to to IN 33941 816 56 it -PRON- PRP 33941 816 57 by by IN 33941 816 58 a a DT 33941 816 59 well well RB 33941 816 60 - - HYPH 33941 816 61 fitting fit VBG 33941 816 62 piece piece NN 33941 816 63 of of IN 33941 816 64 india india NNP 33941 816 65 - - HYPH 33941 816 66 rubber rubber NNP 33941 816 67 tube tube NN 33941 816 68 _ _ NNP 33941 816 69 C C NNP 33941 816 70 _ _ NNP 33941 816 71 . . . 33941 817 1 The the DT 33941 817 2 cup cup NN 33941 817 3 _ _ NNP 33941 817 4 E E NNP 33941 817 5 _ _ NNP 33941 817 6 is be VBZ 33941 817 7 then then RB 33941 817 8 brought bring VBN 33941 817 9 into into IN 33941 817 10 the the DT 33941 817 11 position position NN 33941 817 12 shown show VBN 33941 817 13 in in IN 33941 817 14 Fig Fig NNP 33941 817 15 . . . 33941 818 1 30 30 CD 33941 818 2 , , , 33941 818 3 and and CC 33941 818 4 mercury mercury NN 33941 818 5 is be VBZ 33941 818 6 introduced introduce VBN 33941 818 7 till till IN 33941 818 8 the the DT 33941 818 9 india india NNP 33941 818 10 - - HYPH 33941 818 11 rubber rubber NN 33941 818 12 tube tube NN 33941 818 13 at at IN 33941 818 14 _ _ NNP 33941 818 15 C C NNP 33941 818 16 _ _ NNP 33941 818 17 is be VBZ 33941 818 18 covered cover VBN 33941 818 19 . . . 33941 819 1 As as IN 33941 819 2 mercury mercury NN 33941 819 3 and and CC 33941 819 4 glass glass NN 33941 819 5 do do VBP 33941 819 6 not not RB 33941 819 7 come come VB 33941 819 8 into into IN 33941 819 9 true true JJ 33941 819 10 contact contact NN 33941 819 11 , , , 33941 819 12 however however RB 33941 819 13 , , , 33941 819 14 such such PDT 33941 819 15 a a DT 33941 819 16 joint joint NN 33941 819 17 , , , 33941 819 18 though though RB 33941 819 19 said say VBD 33941 819 20 to to TO 33941 819 21 give give VB 33941 819 22 good good JJ 33941 819 23 results result NNS 33941 819 24 in in IN 33941 819 25 practice practice NN 33941 819 26 , , , 33941 819 27 is be VBZ 33941 819 28 not not RB 33941 819 29 theoretically theoretically RB 33941 819 30 air air NN 33941 819 31 - - HYPH 33941 819 32 tight tight JJ 33941 819 33 , , , 33941 819 34 for for IN 33941 819 35 air air NN 33941 819 36 _ _ NNP 33941 819 37 might may MD 33941 819 38 _ _ NNP 33941 819 39 gradually gradually RB 33941 819 40 find find VB 33941 819 41 its -PRON- PRP$ 33941 819 42 way way NN 33941 819 43 between between IN 33941 819 44 the the DT 33941 819 45 liquid liquid NN 33941 819 46 and and CC 33941 819 47 the the DT 33941 819 48 glass glass NN 33941 819 49 . . . 33941 820 1 By by IN 33941 820 2 covering cover VBG 33941 820 3 the the DT 33941 820 4 mercury mercury NN 33941 820 5 with with IN 33941 820 6 a a DT 33941 820 7 little little JJ 33941 820 8 sulphuric sulphuric JJ 33941 820 9 acid acid NN 33941 820 10 or or CC 33941 820 11 glycerine glycerine VB 33941 820 12 the the DT 33941 820 13 risk risk NN 33941 820 14 of of IN 33941 820 15 this this DT 33941 820 16 occurring occurring NN 33941 820 17 may may MD 33941 820 18 be be VB 33941 820 19 removed remove VBN 33941 820 20 . . . 33941 821 1 The the DT 33941 821 2 same same JJ 33941 821 3 result result NN 33941 821 4 may may MD 33941 821 5 be be VB 33941 821 6 attained attain VBN 33941 821 7 by by IN 33941 821 8 the the DT 33941 821 9 use use NN 33941 821 10 of of IN 33941 821 11 glycerine glycerine NN 33941 821 12 in in IN 33941 821 13 place place NN 33941 821 14 of of IN 33941 821 15 the the DT 33941 821 16 mercury mercury NN 33941 821 17 in in IN 33941 821 18 the the DT 33941 821 19 cup cup NN 33941 821 20 _ _ NNP 33941 821 21 F F NNP 33941 821 22 _ _ NNP 33941 821 23 ; ; : 33941 821 24 but but CC 33941 821 25 glycerine glycerine NNP 33941 821 26 is be VBZ 33941 821 27 less less RBR 33941 821 28 pleasant pleasant JJ 33941 821 29 to to TO 33941 821 30 work work VB 33941 821 31 with with IN 33941 821 32 than than IN 33941 821 33 mercury mercury NN 33941 821 34 . . . 33941 822 1 [ [ -LRB- 33941 822 2 14 14 CD 33941 822 3 ] ] -RRB- 33941 822 4 [ [ -LRB- 33941 822 5 14 14 CD 33941 822 6 ] ] -RRB- 33941 822 7 If if IN 33941 822 8 the the DT 33941 822 9 india india NNP 33941 822 10 - - HYPH 33941 822 11 rubber rubber NN 33941 822 12 tube tube NN 33941 822 13 _ _ NNP 33941 822 14 C C NNP 33941 822 15 _ _ NNP 33941 822 16 be be VB 33941 822 17 secured secure VBN 33941 822 18 by by IN 33941 822 19 wires wire NNS 33941 822 20 , , , 33941 822 21 iron iron NN 33941 822 22 wire wire NN 33941 822 23 , , , 33941 822 24 not not RB 33941 822 25 copper copper NN 33941 822 26 wire wire NN 33941 822 27 , , , 33941 822 28 should should MD 33941 822 29 be be VB 33941 822 30 employed employ VBN 33941 822 31 . . . 33941 823 1 [ [ -LRB- 33941 823 2 Illustration illustration NN 33941 823 3 : : : 33941 823 4 FIG FIG NNP 33941 823 5 . . . 33941 824 1 30 30 CD 33941 824 2 . . . 33941 824 3 ] ] -RRB- 33941 825 1 When when WRB 33941 825 2 sulphuric sulphuric JJ 33941 825 3 acid acid NN 33941 825 4 is be VBZ 33941 825 5 to to TO 33941 825 6 be be VB 33941 825 7 employed employ VBN 33941 825 8 in in IN 33941 825 9 such such PDT 33941 825 10 a a DT 33941 825 11 joint joint NN 33941 825 12 , , , 33941 825 13 or or CC 33941 825 14 when when WRB 33941 825 15 for for IN 33941 825 16 any any DT 33941 825 17 other other JJ 33941 825 18 reason reason NN 33941 825 19 the the DT 33941 825 20 use use NN 33941 825 21 of of IN 33941 825 22 an an DT 33941 825 23 india india NNP 33941 825 24 - - HYPH 33941 825 25 rubber rubber NN 33941 825 26 tube tube NN 33941 825 27 is be VBZ 33941 825 28 undesirable undesirable JJ 33941 825 29 , , , 33941 825 30 the the DT 33941 825 31 joint joint NN 33941 825 32 may may MD 33941 825 33 consist consist VB 33941 825 34 of of IN 33941 825 35 a a DT 33941 825 36 hollow hollow JJ 33941 825 37 stopper stopper NN 33941 825 38 _ _ NNP 33941 825 39 B B NNP 33941 825 40 _ _ NNP 33941 825 41 ( ( -LRB- 33941 825 42 Fig Fig NNP 33941 825 43 . . . 33941 826 1 31 31 CD 33941 826 2 ) ) -RRB- 33941 826 3 , , , 33941 826 4 made make VBN 33941 826 5 of of IN 33941 826 6 glass glass NN 33941 826 7 tube tube NN 33941 826 8 , , , 33941 826 9 and and CC 33941 826 10 ground grind VBD 33941 826 11 to to TO 33941 826 12 fit fit VB 33941 826 13 the the DT 33941 826 14 neck neck NN 33941 826 15 of of IN 33941 826 16 a a DT 33941 826 17 thistle thistle JJ 33941 826 18 funnel funnel NN 33941 826 19 _ _ NNP 33941 826 20 A A NNP 33941 826 21 _ _ NNP 33941 826 22 . . . 33941 827 1 _ _ NNP 33941 827 2 A A NNP 33941 827 3 _ _ NNP 33941 827 4 and and CC 33941 827 5 _ _ NNP 33941 827 6 B B NNP 33941 827 7 _ _ NNP 33941 827 8 are be VBP 33941 827 9 joined join VBN 33941 827 10 respectively respectively RB 33941 827 11 to to IN 33941 827 12 the the DT 33941 827 13 pieces piece NNS 33941 827 14 of of IN 33941 827 15 apparatus apparatus NN 33941 827 16 to to TO 33941 827 17 be be VB 33941 827 18 connected connect VBN 33941 827 19 , , , 33941 827 20 and and CC 33941 827 21 connection connection NN 33941 827 22 is be VBZ 33941 827 23 made make VBN 33941 827 24 by by IN 33941 827 25 placing place VBG 33941 827 26 _ _ NNP 33941 827 27 B B NNP 33941 827 28 _ _ NNP 33941 827 29 in in IN 33941 827 30 position position NN 33941 827 31 in in IN 33941 827 32 the the DT 33941 827 33 neck neck NN 33941 827 34 of of IN 33941 827 35 _ _ NNP 33941 827 36 A A NNP 33941 827 37 _ _ NNP 33941 827 38 ; ; : 33941 827 39 the the DT 33941 827 40 joint joint NN 33941 827 41 is be VBZ 33941 827 42 made make VBN 33941 827 43 air air NN 33941 827 44 - - HYPH 33941 827 45 tight tight JJ 33941 827 46 by by IN 33941 827 47 introducing introduce VBG 33941 827 48 mercury mercury NN 33941 827 49 with with IN 33941 827 50 strong strong JJ 33941 827 51 sulphuric sulphuric JJ 33941 827 52 acid acid NN 33941 827 53 above above IN 33941 827 54 it -PRON- PRP 33941 827 55 into into IN 33941 827 56 the the DT 33941 827 57 cup cup NN 33941 827 58 _ _ NNP 33941 827 59 A A NNP 33941 827 60 _ _ NNP 33941 827 61 . . . 33941 828 1 The the DT 33941 828 2 joint joint NN 33941 828 3 may may MD 33941 828 4 be be VB 33941 828 5 rendered render VBN 33941 828 6 air air NN 33941 828 7 - - HYPH 33941 828 8 tight tight JJ 33941 828 9 by by IN 33941 828 10 introducing introduce VBG 33941 828 11 sulphuric sulphuric JJ 33941 828 12 acid acid NN 33941 828 13 only only RB 33941 828 14 into into IN 33941 828 15 the the DT 33941 828 16 cup cup NN 33941 828 17 . . . 33941 829 1 But but CC 33941 829 2 this this DT 33941 829 3 plan plan NN 33941 829 4 must must MD 33941 829 5 not not RB 33941 829 6 be be VB 33941 829 7 adopted adopt VBN 33941 829 8 if if IN 33941 829 9 the the DT 33941 829 10 interior interior NN 33941 829 11 of of IN 33941 829 12 the the DT 33941 829 13 apparatus apparatus NN 33941 829 14 is be VBZ 33941 829 15 to to TO 33941 829 16 be be VB 33941 829 17 exhausted exhaust VBN 33941 829 18 , , , 33941 829 19 as as IN 33941 829 20 sulphuric sulphuric JJ 33941 829 21 acid acid NN 33941 829 22 is be VBZ 33941 829 23 easily easily RB 33941 829 24 forced force VBN 33941 829 25 between between IN 33941 829 26 the the DT 33941 829 27 ground ground NN 33941 829 28 glass glass NN 33941 829 29 surfaces surface NNS 33941 829 30 by by IN 33941 829 31 external external JJ 33941 829 32 pressure pressure NN 33941 829 33 . . . 33941 830 1 Mercury Mercury NNP 33941 830 2 , , , 33941 830 3 however however RB 33941 830 4 , , , 33941 830 5 will will MD 33941 830 6 not not RB 33941 830 7 pass pass VB 33941 830 8 between between IN 33941 830 9 well well RB 33941 830 10 - - HYPH 33941 830 11 ground ground NN 33941 830 12 glass glass NN 33941 830 13 surfaces surface NNS 33941 830 14 , , , 33941 830 15 and and CC 33941 830 16 is be VBZ 33941 830 17 therefore therefore RB 33941 830 18 to to TO 33941 830 19 be be VB 33941 830 20 employed employ VBN 33941 830 21 for for IN 33941 830 22 connecting connect VBG 33941 830 23 apparatus apparatus NN 33941 830 24 which which WDT 33941 830 25 is be VBZ 33941 830 26 to to TO 33941 830 27 be be VB 33941 830 28 exhausted exhaust VBN 33941 830 29 , , , 33941 830 30 and and CC 33941 830 31 , , , 33941 830 32 if if IN 33941 830 33 necessary necessary JJ 33941 830 34 , , , 33941 830 35 protected protect VBN 33941 830 36 by by IN 33941 830 37 a a DT 33941 830 38 layer layer NN 33941 830 39 of of IN 33941 830 40 strong strong JJ 33941 830 41 sulphuric sulphuric JJ 33941 830 42 acid acid NN 33941 830 43 to to TO 33941 830 44 completely completely RB 33941 830 45 exclude exclude VB 33941 830 46 air air NN 33941 830 47 . . . 33941 831 1 [ [ -LRB- 33941 831 2 Illustration illustration NN 33941 831 3 : : : 33941 831 4 FIG FIG NNP 33941 831 5 . . . 33941 832 1 31 31 CD 33941 832 2 . . . 33941 832 3 ] ] -RRB- 33941 833 1 Tubes tube NNS 33941 833 2 placed place VBN 33941 833 3 horizontally horizontally RB 33941 833 4 may may MD 33941 833 5 be be VB 33941 833 6 joined join VBN 33941 833 7 by by IN 33941 833 8 a a DT 33941 833 9 glycerine glycerine NN 33941 833 10 or or CC 33941 833 11 mercury mercury NN 33941 833 12 joint joint NN 33941 833 13 such such JJ 33941 833 14 as as IN 33941 833 15 is be VBZ 33941 833 16 shown show VBN 33941 833 17 in in IN 33941 833 18 Fig Fig NNP 33941 833 19 . . . 33941 834 1 32 32 CD 33941 834 2 . . . 33941 835 1 The the DT 33941 835 2 two two CD 33941 835 3 tubes tube NNS 33941 835 4 _ _ NNP 33941 835 5 A A NNP 33941 835 6 _ _ NNP 33941 835 7 and and CC 33941 835 8 _ _ NNP 33941 835 9 B B NNP 33941 835 10 _ _ NNP 33941 835 11 are be VBP 33941 835 12 joined join VBN 33941 835 13 as as IN 33941 835 14 before before RB 33941 835 15 by by IN 33941 835 16 an an DT 33941 835 17 india india NNP 33941 835 18 - - HYPH 33941 835 19 rubber rubber NN 33941 835 20 connection connection NN 33941 835 21 _ _ NNP 33941 835 22 C C NNP 33941 835 23 _ _ NNP 33941 835 24 , , , 33941 835 25 or or CC 33941 835 26 one one PRP 33941 835 27 may may MD 33941 835 28 be be VB 33941 835 29 ground grind VBN 33941 835 30 to to TO 33941 835 31 fit fit VB 33941 835 32 the the DT 33941 835 33 other other JJ 33941 835 34 , , , 33941 835 35 and and CC 33941 835 36 the the DT 33941 835 37 joint joint NN 33941 835 38 is be VBZ 33941 835 39 then then RB 33941 835 40 enclosed enclose VBN 33941 835 41 within within IN 33941 835 42 a a DT 33941 835 43 larger large JJR 33941 835 44 jacketing jacketing NN 33941 835 45 - - HYPH 33941 835 46 tube tube NN 33941 835 47 _ _ NNP 33941 835 48 D D NNP 33941 835 49 _ _ NNP 33941 835 50 , , , 33941 835 51 with with IN 33941 835 52 a a DT 33941 835 53 mouth mouth NN 33941 835 54 at at IN 33941 835 55 _ _ NNP 33941 835 56 F F NNP 33941 835 57 _ _ NNP 33941 835 58 , , , 33941 835 59 which which WDT 33941 835 60 is be VBZ 33941 835 61 filled fill VBN 33941 835 62 with with IN 33941 835 63 glycerine glycerine NNP 33941 835 64 or or CC 33941 835 65 mercury mercury NN 33941 835 66 . . . 33941 836 1 _ _ NNP 33941 836 2 D D NNP 33941 836 3 _ _ NNP 33941 836 4 is be VBZ 33941 836 5 easily easily RB 33941 836 6 made make VBN 33941 836 7 by by IN 33941 836 8 drawing draw VBG 33941 836 9 out out RP 33941 836 10 both both DT 33941 836 11 ends end NNS 33941 836 12 of of IN 33941 836 13 a a DT 33941 836 14 piece piece NN 33941 836 15 of of IN 33941 836 16 tube tube NN 33941 836 17 , , , 33941 836 18 leaving leave VBG 33941 836 19 them -PRON- PRP 33941 836 20 large large JJ 33941 836 21 enough enough RB 33941 836 22 to to TO 33941 836 23 pass pass VB 33941 836 24 over over RP 33941 836 25 the the DT 33941 836 26 connection connection NN 33941 836 27 at at IN 33941 836 28 _ _ NNP 33941 836 29 C C NNP 33941 836 30 _ _ NNP 33941 836 31 , , , 33941 836 32 however however RB 33941 836 33 , , , 33941 836 34 and and CC 33941 836 35 piercing pierce VBG 33941 836 36 one one CD 33941 836 37 side side NN 33941 836 38 at at IN 33941 836 39 _ _ NNP 33941 836 40 F F NNP 33941 836 41 _ _ NNP 33941 836 42 . . . 33941 837 1 [ [ -LRB- 33941 837 2 Illustration illustration NN 33941 837 3 : : : 33941 837 4 FIG FIG NNP 33941 837 5 . . . 33941 838 1 32 32 CD 33941 838 2 . . . 33941 838 3 ] ] -RRB- 33941 839 1 = = NFP 33941 839 2 Vacuum Vacuum NNP 33941 839 3 Taps.=--It Taps.=--It NNP 33941 839 4 is be VBZ 33941 839 5 not not RB 33941 839 6 necessary necessary JJ 33941 839 7 to to TO 33941 839 8 enter enter VB 33941 839 9 into into IN 33941 839 10 a a DT 33941 839 11 description description NN 33941 839 12 of of IN 33941 839 13 the the DT 33941 839 14 construction construction NN 33941 839 15 of of IN 33941 839 16 ordinary ordinary JJ 33941 839 17 glass glass NN 33941 839 18 taps tap NNS 33941 839 19 , , , 33941 839 20 which which WDT 33941 839 21 can can MD 33941 839 22 be be VB 33941 839 23 purchased purchase VBN 33941 839 24 at at IN 33941 839 25 very very RB 33941 839 26 reasonable reasonable JJ 33941 839 27 prices price NNS 33941 839 28 . . . 33941 840 1 It -PRON- PRP 33941 840 2 may may MD 33941 840 3 be be VB 33941 840 4 remarked remark VBN 33941 840 5 here here RB 33941 840 6 , , , 33941 840 7 however however RB 33941 840 8 , , , 33941 840 9 as as IN 33941 840 10 a a DT 33941 840 11 great great JJ 33941 840 12 many many JJ 33941 840 13 of of IN 33941 840 14 them -PRON- PRP 33941 840 15 are be VBP 33941 840 16 very very RB 33941 840 17 imperfectly imperfectly RB 33941 840 18 ground grind VBN 33941 840 19 by by IN 33941 840 20 the the DT 33941 840 21 makers maker NNS 33941 840 22 , , , 33941 840 23 that that IN 33941 840 24 they -PRON- PRP 33941 840 25 may may MD 33941 840 26 easily easily RB 33941 840 27 be be VB 33941 840 28 made make VBN 33941 840 29 air air NN 33941 840 30 - - HYPH 33941 840 31 tight tight JJ 33941 840 32 by by IN 33941 840 33 hand hand NN 33941 840 34 - - HYPH 33941 840 35 grinding grinding NN 33941 840 36 with with IN 33941 840 37 camphorated camphorate VBN 33941 840 38 turpentine turpentine NN 33941 840 39 and and CC 33941 840 40 fine fine JJ 33941 840 41 emery emery NN 33941 840 42 , , , 33941 840 43 finishing finish VBG 33941 840 44 with with IN 33941 840 45 rotten rotten JJ 33941 840 46 - - HYPH 33941 840 47 stone stone NN 33941 840 48 . . . 33941 841 1 A a DT 33941 841 2 well well RB 33941 841 3 - - HYPH 33941 841 4 ground ground NN 33941 841 5 tap tap NN 33941 841 6 , , , 33941 841 7 which which WDT 33941 841 8 is be VBZ 33941 841 9 well well RB 33941 841 10 lubricated lubricate VBN 33941 841 11 , , , 33941 841 12 should should MD 33941 841 13 be be VB 33941 841 14 practically practically RB 33941 841 15 air air NN 33941 841 16 - - HYPH 33941 841 17 tight tight JJ 33941 841 18 under under IN 33941 841 19 greatly greatly RB 33941 841 20 reduced reduce VBN 33941 841 21 pressure pressure NN 33941 841 22 for for IN 33941 841 23 a a DT 33941 841 24 short short JJ 33941 841 25 period period NN 33941 841 26 ; ; : 33941 841 27 but but CC 33941 841 28 when when WRB 33941 841 29 it -PRON- PRP 33941 841 30 is be VBZ 33941 841 31 necessary necessary JJ 33941 841 32 to to TO 33941 841 33 have have VB 33941 841 34 a a DT 33941 841 35 tap tap NN 33941 841 36 which which WDT 33941 841 37 absolutely absolutely RB 33941 841 38 forbids forbid VBZ 33941 841 39 the the DT 33941 841 40 entrance entrance NN 33941 841 41 of of IN 33941 841 42 air air NN 33941 841 43 into into IN 33941 841 44 apparatus apparatus NN 33941 841 45 , , , 33941 841 46 one one CD 33941 841 47 of of IN 33941 841 48 the the DT 33941 841 49 following follow VBG 33941 841 50 may may MD 33941 841 51 be be VB 33941 841 52 employed:-- employed:-- . 33941 841 53 [ [ -LRB- 33941 841 54 Illustration illustration NN 33941 841 55 : : : 33941 841 56 FIG FIG NNP 33941 841 57 . . . 33941 842 1 33 33 CD 33941 842 2 . . . 33941 842 3 ] ] -RRB- 33941 843 1 [ [ -LRB- 33941 843 2 Illustration illustration NN 33941 843 3 : : : 33941 843 4 FIG FIG NNP 33941 843 5 . . . 33941 844 1 34 34 CD 33941 844 2 . . . 33941 844 3 ] ] -RRB- 33941 845 1 ( ( -LRB- 33941 845 2 1 1 CD 33941 845 3 . . . 33941 845 4 ) ) -RRB- 33941 846 1 _ _ NNP 33941 846 2 Mr. Mr. NNP 33941 847 1 Cetti Cetti NNP 33941 847 2 's 's POS 33941 847 3 Vacuum Vacuum NNP 33941 847 4 Tap Tap NNP 33941 847 5 _ _ NNP 33941 847 6 ( ( -LRB- 33941 847 7 Fig Fig NNP 33941 847 8 . . . 33941 848 1 34 34 CD 33941 848 2 ) ) -RRB- 33941 848 3 : : : 33941 848 4 This this DT 33941 848 5 tap tap NN 33941 848 6 is be VBZ 33941 848 7 cupped cup VBN 33941 848 8 at at IN 33941 848 9 _ _ NNP 33941 848 10 A A NNP 33941 848 11 _ _ NNP 33941 848 12 and and CC 33941 848 13 sealed seal VBN 33941 848 14 at at IN 33941 848 15 _ _ NNP 33941 848 16 B B NNP 33941 848 17 _ _ NNP 33941 848 18 , , , 33941 848 19 and and CC 33941 848 20 the the DT 33941 848 21 cup cup NN 33941 848 22 _ _ NNP 33941 848 23 A A NNP 33941 848 24 _ _ NNP 33941 848 25 is be VBZ 33941 848 26 filled fill VBN 33941 848 27 with with IN 33941 848 28 mercury mercury NN 33941 848 29 when when WRB 33941 848 30 the the DT 33941 848 31 tap tap NN 33941 848 32 is be VBZ 33941 848 33 in in IN 33941 848 34 use use NN 33941 848 35 , , , 33941 848 36 so so IN 33941 848 37 that that IN 33941 848 38 if if IN 33941 848 39 , , , 33941 848 40 for for IN 33941 848 41 example example NN 33941 848 42 , , , 33941 848 43 the the DT 33941 848 44 end end NN 33941 848 45 _ _ NNP 33941 848 46 C C NNP 33941 848 47 _ _ NNP 33941 848 48 be be VB 33941 848 49 attached attach VBN 33941 848 50 to to IN 33941 848 51 a a DT 33941 848 52 flask flask NN 33941 848 53 , , , 33941 848 54 and and CC 33941 848 55 _ _ NNP 33941 848 56 D D NNP 33941 848 57 _ _ NNP 33941 848 58 to to IN 33941 848 59 an an DT 33941 848 60 apparatus apparatus NN 33941 848 61 for for IN 33941 848 62 exhausting exhaust VBG 33941 848 63 the the DT 33941 848 64 flask flask NN 33941 848 65 , , , 33941 848 66 it -PRON- PRP 33941 848 67 will will MD 33941 848 68 be be VB 33941 848 69 possible possible JJ 33941 848 70 to to TO 33941 848 71 close close VB 33941 848 72 the the DT 33941 848 73 flask flask NN 33941 848 74 by by IN 33941 848 75 turning turn VBG 33941 848 76 off off RP 33941 848 77 the the DT 33941 848 78 tap tap NN 33941 848 79 _ _ NNP 33941 848 80 E E NNP 33941 848 81 _ _ NNP 33941 848 82 , , , 33941 848 83 and and CC 33941 848 84 if if IN 33941 848 85 no no DT 33941 848 86 air air NN 33941 848 87 be be VB 33941 848 88 allowed allow VBN 33941 848 89 access access NN 33941 848 90 through through IN 33941 848 91 _ _ NNP 33941 848 92 D D NNP 33941 848 93 _ _ NNP 33941 848 94 , , , 33941 848 95 the the DT 33941 848 96 vacuum vacuum NN 33941 848 97 produced produce VBN 33941 848 98 in in IN 33941 848 99 the the DT 33941 848 100 flask flask NN 33941 848 101 at at IN 33941 848 102 _ _ NNP 33941 848 103 C C NNP 33941 848 104 _ _ NNP 33941 848 105 can can MD 33941 848 106 not not RB 33941 848 107 be be VB 33941 848 108 affected affect VBN 33941 848 109 by by IN 33941 848 110 air air NN 33941 848 111 leaking leak VBG 33941 848 112 through through IN 33941 848 113 the the DT 33941 848 114 tap tap NN 33941 848 115 at at IN 33941 848 116 _ _ NNP 33941 848 117 A A NNP 33941 848 118 _ _ NNP 33941 848 119 or or CC 33941 848 120 _ _ NNP 33941 848 121 B B NNP 33941 848 122 _ _ NNP 33941 848 123 . . . 33941 849 1 A a DT 33941 849 2 passage passage NN 33941 849 3 _ _ NNP 33941 849 4 F F NNP 33941 849 5 _ _ NNP 33941 849 6 must must MD 33941 849 7 be be VB 33941 849 8 drilled drill VBN 33941 849 9 from from IN 33941 849 10 the the DT 33941 849 11 bottom bottom NN 33941 849 12 of of IN 33941 849 13 the the DT 33941 849 14 plug plug NN 33941 849 15 _ _ NNP 33941 849 16 E E NNP 33941 849 17 _ _ NNP 33941 849 18 to to TO 33941 849 19 meet meet VB 33941 849 20 _ _ NNP 33941 849 21 G G NNP 33941 849 22 _ _ NNP 33941 849 23 , , , 33941 849 24 in in IN 33941 849 25 order order NN 33941 849 26 that that IN 33941 849 27 when when WRB 33941 849 28 the the DT 33941 849 29 plug plug NN 33941 849 30 is be VBZ 33941 849 31 in in IN 33941 849 32 position position NN 33941 849 33 no no DT 33941 849 34 residue residue NN 33941 849 35 of of IN 33941 849 36 air air NN 33941 849 37 shall shall MD 33941 849 38 be be VB 33941 849 39 confined confine VBN 33941 849 40 within within IN 33941 849 41 _ _ NNP 33941 849 42 B B NNP 33941 849 43 _ _ NNP 33941 849 44 , , , 33941 849 45 whence whence NN 33941 849 46 it -PRON- PRP 33941 849 47 might may MD 33941 849 48 gradually gradually RB 33941 849 49 leak leak VB 33941 849 50 into into IN 33941 849 51 any any DT 33941 849 52 apparatus apparatus NN 33941 849 53 connected connect VBN 33941 849 54 to to IN 33941 849 55 it -PRON- PRP 33941 849 56 . . . 33941 850 1 It -PRON- PRP 33941 850 2 is be VBZ 33941 850 3 obvious obvious JJ 33941 850 4 , , , 33941 850 5 however however RB 33941 850 6 , , , 33941 850 7 that that IN 33941 850 8 this this DT 33941 850 9 tap tap NN 33941 850 10 does do VBZ 33941 850 11 not not RB 33941 850 12 protect protect VB 33941 850 13 a a DT 33941 850 14 flask flask NN 33941 850 15 sealed seal VBN 33941 850 16 to to IN 33941 850 17 _ _ NNP 33941 850 18 C C NNP 33941 850 19 _ _ NNP 33941 850 20 from from IN 33941 850 21 the the DT 33941 850 22 entrance entrance NN 33941 850 23 of of IN 33941 850 24 air air NN 33941 850 25 through through IN 33941 850 26 _ _ NNP 33941 850 27 D D NNP 33941 850 28 _ _ NNP 33941 850 29 , , , 33941 850 30 which which WDT 33941 850 31 , , , 33941 850 32 in in IN 33941 850 33 fact fact NN 33941 850 34 , , , 33941 850 35 is be VBZ 33941 850 36 the the DT 33941 850 37 direction direction NN 33941 850 38 in in IN 33941 850 39 which which WDT 33941 850 40 air air NN 33941 850 41 is be VBZ 33941 850 42 most most RBS 33941 850 43 likely likely JJ 33941 850 44 to to TO 33941 850 45 effect effect VB 33941 850 46 an an DT 33941 850 47 entrance entrance NN 33941 850 48 . . . 33941 851 1 When when WRB 33941 851 2 using use VBG 33941 851 3 one one CD 33941 851 4 of of IN 33941 851 5 these these DT 33941 851 6 taps tap NNS 33941 851 7 as as IN 33941 851 8 part part NN 33941 851 9 of of IN 33941 851 10 an an DT 33941 851 11 apparatus apparatus NN 33941 851 12 for for IN 33941 851 13 supplying supply VBG 33941 851 14 pure pure JJ 33941 851 15 oxygen oxygen NN 33941 851 16 , , , 33941 851 17 I -PRON- PRP 33941 851 18 have have VBP 33941 851 19 guarded guard VBN 33941 851 20 against against IN 33941 851 21 this this DT 33941 851 22 by by IN 33941 851 23 attaching attach VBG 33941 851 24 a a DT 33941 851 25 trap trap NN 33941 851 26 ( ( -LRB- 33941 851 27 Fig fig NN 33941 851 28 . . . 33941 852 1 33 33 CD 33941 852 2 ) ) -RRB- 33941 852 3 to to IN 33941 852 4 the the DT 33941 852 5 end end NN 33941 852 6 _ _ NNP 33941 852 7 D D NNP 33941 852 8 _ _ NNP 33941 852 9 , , , 33941 852 10 _ _ NNP 33941 852 11 C C NNP 33941 852 12 _ _ NNP 33941 852 13 being be VBG 33941 852 14 joined join VBN 33941 852 15 to to IN 33941 852 16 the the DT 33941 852 17 delivery delivery NN 33941 852 18 tube tube NN 33941 852 19 from from IN 33941 852 20 the the DT 33941 852 21 gas gas NN 33941 852 22 - - HYPH 33941 852 23 holder holder NN 33941 852 24 . . . 33941 853 1 The the DT 33941 853 2 structure structure NN 33941 853 3 and and CC 33941 853 4 mode mode NN 33941 853 5 of of IN 33941 853 6 action action NN 33941 853 7 of of IN 33941 853 8 the the DT 33941 853 9 trap trap NN 33941 853 10 are be VBP 33941 853 11 as as IN 33941 853 12 follows:-- follows:-- `` 33941 853 13 A a DT 33941 853 14 narrow narrow JJ 33941 853 15 tube tube NN 33941 853 16 _ _ NNP 33941 853 17 G G NNP 33941 853 18 _ _ NNP 33941 853 19 is be VBZ 33941 853 20 joined join VBN 33941 853 21 to to IN 33941 853 22 _ _ NNP 33941 853 23 D D NNP 33941 853 24 _ _ NNP 33941 853 25 of of IN 33941 853 26 Fig Fig NNP 33941 853 27 . . . 33941 854 1 34 34 CD 33941 854 2 , , , 33941 854 3 and and CC 33941 854 4 terminates terminate NNS 33941 854 5 in in IN 33941 854 6 the the DT 33941 854 7 wide wide JJ 33941 854 8 tube tube NN 33941 854 9 _ _ NNP 33941 854 10 I -PRON- PRP 33941 854 11 _ _ NNP 33941 854 12 , , , 33941 854 13 which which WDT 33941 854 14 is be VBZ 33941 854 15 connected connect VBN 33941 854 16 above above IN 33941 854 17 to to IN 33941 854 18 _ _ NNP 33941 854 19 H H NNP 33941 854 20 _ _ NNP 33941 854 21 , , , 33941 854 22 and and CC 33941 854 23 below below RB 33941 854 24 to to IN 33941 854 25 the the DT 33941 854 26 air air NN 33941 854 27 - - HYPH 33941 854 28 trap trap NN 33941 854 29 _ _ NNP 33941 854 30 J J NNP 33941 854 31 _ _ NNP 33941 854 32 . . . 33941 855 1 _ _ NNP 33941 855 2 J J NNP 33941 855 3 _ _ NNP 33941 855 4 is be VBZ 33941 855 5 connected connect VBN 33941 855 6 at at IN 33941 855 7 _ _ NNP 33941 855 8 K K NNP 33941 855 9 _ _ NNP 33941 855 10 , , , 33941 855 11 by by IN 33941 855 12 a a DT 33941 855 13 piece piece NN 33941 855 14 of of IN 33941 855 15 flexible flexible JJ 33941 855 16 tube tube NN 33941 855 17 , , , 33941 855 18 to to IN 33941 855 19 a a DT 33941 855 20 reservoir reservoir NN 33941 855 21 of of IN 33941 855 22 mercury mercury NN 33941 855 23 , , , 33941 855 24 from from IN 33941 855 25 which which WDT 33941 855 26 mercury mercury NN 33941 855 27 enters enter VBZ 33941 855 28 the the DT 33941 855 29 air air NN 33941 855 30 - - HYPH 33941 855 31 trap trap NN 33941 855 32 , , , 33941 855 33 and and CC 33941 855 34 passing pass VBG 33941 855 35 thence thence NN 33941 855 36 to to IN 33941 855 37 _ _ NNP 33941 855 38 I -PRON- PRP 33941 855 39 _ _ NNP 33941 855 40 , , , 33941 855 41 can can MD 33941 855 42 be be VB 33941 855 43 employed employ VBN 33941 855 44 for for IN 33941 855 45 filling fill VBG 33941 855 46 the the DT 33941 855 47 V v NN 33941 855 48 - - HYPH 33941 855 49 trap trap NN 33941 855 50 _ _ NNP 33941 855 51 HLG HLG NNP 33941 855 52 _ _ NNP 33941 855 53 . . . 33941 856 1 The the DT 33941 856 2 air air NN 33941 856 3 - - HYPH 33941 856 4 trap trap NN 33941 856 5 _ _ NNP 33941 856 6 J J NNP 33941 856 7 _ _ NNP 33941 856 8 is be VBZ 33941 856 9 in in IN 33941 856 10 the the DT 33941 856 11 first first JJ 33941 856 12 instance instance NN 33941 856 13 filled fill VBN 33941 856 14 with with IN 33941 856 15 mercury mercury NN 33941 856 16 , , , 33941 856 17 and and CC 33941 856 18 then then RB 33941 856 19 serves serve VBZ 33941 856 20 to to TO 33941 856 21 intercept intercept VB 33941 856 22 any any DT 33941 856 23 stray stray JJ 33941 856 24 bubbles bubble NNS 33941 856 25 of of IN 33941 856 26 air air NN 33941 856 27 that that WDT 33941 856 28 the the DT 33941 856 29 mercury mercury NN 33941 856 30 may may MD 33941 856 31 carry carry VB 33941 856 32 with with IN 33941 856 33 it -PRON- PRP 33941 856 34 . . . 33941 857 1 The the DT 33941 857 2 particular particular JJ 33941 857 3 form form NN 33941 857 4 of of IN 33941 857 5 the the DT 33941 857 6 trap trap NN 33941 857 7 shown show VBN 33941 857 8 at at IN 33941 857 9 _ _ NNP 33941 857 10 HLG HLG NNP 33941 857 11 _ _ NNP 33941 857 12 was be VBD 33941 857 13 adopted adopt VBN 33941 857 14 because because IN 33941 857 15 with with IN 33941 857 16 it -PRON- PRP 33941 857 17 the the DT 33941 857 18 arm arm NN 33941 857 19 _ _ NNP 33941 857 20 LG LG NNP 33941 857 21 _ _ NNP 33941 857 22 is be VBZ 33941 857 23 more more RBR 33941 857 24 readily readily RB 33941 857 25 emptied empty VBN 33941 857 26 of of IN 33941 857 27 mercury mercury NN 33941 857 28 than than IN 33941 857 29 with with IN 33941 857 30 any any DT 33941 857 31 other other JJ 33941 857 32 form form NN 33941 857 33 of of IN 33941 857 34 trap trap NN 33941 857 35 made make VBN 33941 857 36 of of IN 33941 857 37 small small JJ 33941 857 38 tube tube NN 33941 857 39 that that WDT 33941 857 40 I -PRON- PRP 33941 857 41 have have VBP 33941 857 42 tried try VBN 33941 857 43 . . . 33941 858 1 It -PRON- PRP 33941 858 2 has have VBZ 33941 858 3 been be VBN 33941 858 4 used use VBN 33941 858 5 in in IN 33941 858 6 my -PRON- PRP$ 33941 858 7 apparatus apparatus NN 33941 858 8 in in IN 33941 858 9 the the DT 33941 858 10 following follow VBG 33941 858 11 manner:--_H manner:--_H NNPS 33941 858 12 _ _ NNP 33941 858 13 was be VBD 33941 858 14 connected connect VBN 33941 858 15 with with IN 33941 858 16 a a DT 33941 858 17 vessel vessel NN 33941 858 18 to to TO 33941 858 19 be be VB 33941 858 20 filled fill VBN 33941 858 21 with with IN 33941 858 22 pure pure JJ 33941 858 23 oxygen oxygen NN 33941 858 24 , , , 33941 858 25 the the DT 33941 858 26 tap tap NN 33941 858 27 _ _ NNP 33941 858 28 E E NNP 33941 858 29 _ _ NNP 33941 858 30 closed close VBD 33941 858 31 , , , 33941 858 32 and and CC 33941 858 33 the the DT 33941 858 34 rise rise NN 33941 858 35 of of IN 33941 858 36 mercury mercury NN 33941 858 37 above above IN 33941 858 38 _ _ NNP 33941 858 39 L L NNP 33941 858 40 _ _ NNP 33941 858 41 prevented prevent VBN 33941 858 42 by by IN 33941 858 43 a a DT 33941 858 44 clamp clamp NN 33941 858 45 on on IN 33941 858 46 the the DT 33941 858 47 flexible flexible JJ 33941 858 48 tube tube NN 33941 858 49 ; ; : 33941 858 50 the the DT 33941 858 51 vessel vessel NN 33941 858 52 to to TO 33941 858 53 be be VB 33941 858 54 filled fill VBN 33941 858 55 and and CC 33941 858 56 the the DT 33941 858 57 trap trap NN 33941 858 58 were be VBD 33941 858 59 then then RB 33941 858 60 exhausted exhaust VBN 33941 858 61 by by IN 33941 858 62 a a DT 33941 858 63 Sprengel Sprengel NNP 33941 858 64 pump pump NN 33941 858 65 , , , 33941 858 66 and and CC 33941 858 67 oxygen oxygen NN 33941 858 68 allowed allow VBN 33941 858 69 to to TO 33941 858 70 flow flow VB 33941 858 71 into into IN 33941 858 72 the the DT 33941 858 73 exhausted exhausted JJ 33941 858 74 space space NN 33941 858 75 by by IN 33941 858 76 opening open VBG 33941 858 77 _ _ NNP 33941 858 78 E E NNP 33941 858 79 _ _ NNP 33941 858 80 , , , 33941 858 81 the the DT 33941 858 82 operation operation NN 33941 858 83 of of IN 33941 858 84 exhausting exhaust VBG 33941 858 85 the the DT 33941 858 86 tubes tube NNS 33941 858 87 and and CC 33941 858 88 admitting admit VBG 33941 858 89 oxygen oxygen NN 33941 858 90 being be VBG 33941 858 91 repeated repeat VBN 33941 858 92 as as RB 33941 858 93 often often RB 33941 858 94 as as IN 33941 858 95 necessary necessary JJ 33941 858 96 . . . 33941 859 1 To to TO 33941 859 2 prevent prevent VB 33941 859 3 access access NN 33941 859 4 of of IN 33941 859 5 air air NN 33941 859 6 to to IN 33941 859 7 _ _ NNP 33941 859 8 E E NNP 33941 859 9 _ _ NNP 33941 859 10 on on IN 33941 859 11 disconnecting disconnect VBG 33941 859 12 the the DT 33941 859 13 vessel vessel NN 33941 859 14 at at IN 33941 859 15 _ _ NNP 33941 859 16 H H NNP 33941 859 17 _ _ NNP 33941 859 18 , , , 33941 859 19 the the DT 33941 859 20 mercury mercury NN 33941 859 21 was be VBD 33941 859 22 allowed allow VBN 33941 859 23 to to TO 33941 859 24 flow flow VB 33941 859 25 into into IN 33941 859 26 the the DT 33941 859 27 trap trap NN 33941 859 28 till till IN 33941 859 29 it -PRON- PRP 33941 859 30 reached reach VBD 33941 859 31 to to IN 33941 859 32 _ _ NNP 33941 859 33 MM MM NNP 33941 859 34 _ _ NNP 33941 859 35 . . . 33941 860 1 _ _ NNP 33941 860 2 E E NNP 33941 860 3 _ _ NNP 33941 860 4 was be VBD 33941 860 5 then then RB 33941 860 6 closed close VBN 33941 860 7 , , , 33941 860 8 and and CC 33941 860 9 _ _ NNP 33941 860 10 H H NNP 33941 860 11 _ _ NNP 33941 860 12 exposed expose VBD 33941 860 13 without without IN 33941 860 14 danger danger NN 33941 860 15 of of IN 33941 860 16 air air NN 33941 860 17 reaching reach VBG 33941 860 18 _ _ NNP 33941 860 19 E E NNP 33941 860 20 _ _ NNP 33941 860 21 , , , 33941 860 22 the the DT 33941 860 23 length length NN 33941 860 24 of of IN 33941 860 25 the the DT 33941 860 26 arms arm NNS 33941 860 27 of of IN 33941 860 28 the the DT 33941 860 29 trap trap NN 33941 860 30 being be VBG 33941 860 31 sufficient sufficient JJ 33941 860 32 to to TO 33941 860 33 provide provide VB 33941 860 34 against against IN 33941 860 35 the the DT 33941 860 36 effects effect NNS 33941 860 37 of of IN 33941 860 38 any any DT 33941 860 39 changes change NNS 33941 860 40 of of IN 33941 860 41 temperature temperature NN 33941 860 42 and and CC 33941 860 43 pressure pressure NN 33941 860 44 that that WDT 33941 860 45 could could MD 33941 860 46 occur occur VB 33941 860 47 . . . 33941 861 1 A a DT 33941 861 2 delivery delivery NN 33941 861 3 tube tube NN 33941 861 4 may may MD 33941 861 5 be be VB 33941 861 6 connected connect VBN 33941 861 7 to to IN 33941 861 8 _ _ NNP 33941 861 9 H H NNP 33941 861 10 _ _ NNP 33941 861 11 and and CC 33941 861 12 filled fill VBN 33941 861 13 with with IN 33941 861 14 mercury mercury NN 33941 861 15 , , , 33941 861 16 by by IN 33941 861 17 closing close VBG 33941 861 18 _ _ NNP 33941 861 19 E E NNP 33941 861 20 _ _ NNP 33941 861 21 and and CC 33941 861 22 raising raise VBG 33941 861 23 the the DT 33941 861 24 mercury mercury NN 33941 861 25 reservoir reservoir NN 33941 861 26 . . . 33941 862 1 All all DT 33941 862 2 air air NN 33941 862 3 being be VBG 33941 862 4 in in IN 33941 862 5 that that DT 33941 862 6 way way NN 33941 862 7 expelled expel VBN 33941 862 8 from from IN 33941 862 9 the the DT 33941 862 10 delivery delivery NN 33941 862 11 tube tube NN 33941 862 12 , , , 33941 862 13 and and CC 33941 862 14 the the DT 33941 862 15 supply supply NN 33941 862 16 of of IN 33941 862 17 mercury mercury NN 33941 862 18 cut cut VBN 33941 862 19 off off RP 33941 862 20 by by IN 33941 862 21 clamping clamp VBG 33941 862 22 the the DT 33941 862 23 tube tube NN 33941 862 24 from from IN 33941 862 25 the the DT 33941 862 26 reservoir reservoir NN 33941 862 27 , , , 33941 862 28 oxygen oxygen NN 33941 862 29 can can MD 33941 862 30 be be VB 33941 862 31 delivered deliver VBN 33941 862 32 from from IN 33941 862 33 the the DT 33941 862 34 tube tube NN 33941 862 35 by by IN 33941 862 36 opening open VBG 33941 862 37 _ _ NNP 33941 862 38 E E NNP 33941 862 39 _ _ NNP 33941 862 40 , , , 33941 862 41 when when WRB 33941 862 42 it -PRON- PRP 33941 862 43 will will MD 33941 862 44 send send VB 33941 862 45 forward forward RB 33941 862 46 the the DT 33941 862 47 mercury mercury NN 33941 862 48 , , , 33941 862 49 and and CC 33941 862 50 pass pass VB 33941 862 51 into into IN 33941 862 52 a a DT 33941 862 53 tube tube NN 33941 862 54 placed place VBN 33941 862 55 to to TO 33941 862 56 receive receive VB 33941 862 57 it -PRON- PRP 33941 862 58 without without IN 33941 862 59 any any DT 33941 862 60 risk risk NN 33941 862 61 of of IN 33941 862 62 air air NN 33941 862 63 being be VBG 33941 862 64 derived derive VBN 33941 862 65 from from IN 33941 862 66 the the DT 33941 862 67 delivery delivery NN 33941 862 68 tube tube NN 33941 862 69 . . . 33941 863 1 [ [ -LRB- 33941 863 2 Illustration illustration NN 33941 863 3 : : : 33941 863 4 FIG FIG NNP 33941 863 5 . . . 33941 864 1 35 35 CD 33941 864 2 . . . 33941 864 3 ] ] -RRB- 33941 865 1 ( ( -LRB- 33941 865 2 2 2 CD 33941 865 3 . . . 33941 865 4 ) ) -RRB- 33941 866 1 _ _ NNP 33941 866 2 Gimmingham Gimmingham NNP 33941 866 3 's 's POS 33941 866 4 Vacuum Vacuum NNP 33941 866 5 Tap_,[15 Tap_,[15 NNP 33941 866 6 ] ] -RRB- 33941 866 7 shown show VBN 33941 866 8 in in IN 33941 866 9 Fig Fig NNP 33941 866 10 . . . 33941 867 1 35 35 CD 33941 867 2 , , , 33941 867 3 consists consist VBZ 33941 867 4 of of IN 33941 867 5 three three CD 33941 867 6 parts part NNS 33941 867 7 . . . 33941 868 1 A a DT 33941 868 2 tube tube NN 33941 868 3 _ _ NNP 33941 868 4 A A NNP 33941 868 5 _ _ NNP 33941 868 6 is be VBZ 33941 868 7 ground ground NN 33941 868 8 to to TO 33941 868 9 fit fit VB 33941 868 10 the the DT 33941 868 11 neck neck NN 33941 868 12 of of IN 33941 868 13 _ _ NNP 33941 868 14 B B NNP 33941 868 15 _ _ NNP 33941 868 16 . . . 33941 869 1 _ _ NNP 33941 869 2 B B NNP 33941 869 3 _ _ NNP 33941 869 4 is be VBZ 33941 869 5 closed close VBN 33941 869 6 at at IN 33941 869 7 its -PRON- PRP$ 33941 869 8 lower low JJR 33941 869 9 end end NN 33941 869 10 , , , 33941 869 11 and and CC 33941 869 12 has have VBZ 33941 869 13 a a DT 33941 869 14 hole hole NN 33941 869 15 _ _ NNP 33941 869 16 d d NNP 33941 869 17 _ _ NNP 33941 869 18 drilled drill VBD 33941 869 19 through through IN 33941 869 20 it -PRON- PRP 33941 869 21 ; ; : 33941 869 22 when when WRB 33941 869 23 _ _ NNP 33941 869 24 B B NNP 33941 869 25 _ _ NNP 33941 869 26 is be VBZ 33941 869 27 fitted fit VBN 33941 869 28 to to IN 33941 869 29 _ _ NNP 33941 869 30 C C NNP 33941 869 31 _ _ NNP 33941 869 32 , , , 33941 869 33 _ _ NNP 33941 869 34 d d NNP 33941 869 35 _ _ NNP 33941 869 36 can can MD 33941 869 37 be be VB 33941 869 38 made make VBN 33941 869 39 to to TO 33941 869 40 coincide coincide VB 33941 869 41 with with IN 33941 869 42 the the DT 33941 869 43 slit slit NNP 33941 869 44 _ _ NNP 33941 869 45 e e NNP 33941 869 46 _ _ NNP 33941 869 47 . . . 33941 870 1 When when WRB 33941 870 2 _ _ NNP 33941 870 3 A A NNP 33941 870 4 _ _ NNP 33941 870 5 , , , 33941 870 6 _ _ NNP 33941 870 7 B B NNP 33941 870 8 _ _ NNP 33941 870 9 , , , 33941 870 10 _ _ NNP 33941 870 11 C C NNP 33941 870 12 _ _ NNP 33941 870 13 are be VBP 33941 870 14 fitted fit VBN 33941 870 15 together together RB 33941 870 16 , , , 33941 870 17 if if IN 33941 870 18 _ _ NNP 33941 870 19 d d NNP 33941 870 20 _ _ NNP 33941 870 21 meet meet NN 33941 870 22 _ _ NNP 33941 870 23 e e NNP 33941 870 24 _ _ NNP 33941 870 25 , , , 33941 870 26 there there EX 33941 870 27 is be VBZ 33941 870 28 communication communication NN 33941 870 29 between between IN 33941 870 30 any any DT 33941 870 31 vessels vessel NNS 33941 870 32 attached attach VBN 33941 870 33 to to IN 33941 870 34 _ _ NNP 33941 870 35 A A NNP 33941 870 36 _ _ NNP 33941 870 37 and and CC 33941 870 38 any any DT 33941 870 39 other other JJ 33941 870 40 vessel vessel NN 33941 870 41 attached attach VBN 33941 870 42 to to IN 33941 870 43 _ _ NNP 33941 870 44 C C NNP 33941 870 45 _ _ NNP 33941 870 46 , , , 33941 870 47 entrance entrance NN 33941 870 48 of of IN 33941 870 49 external external JJ 33941 870 50 air air NN 33941 870 51 being be VBG 33941 870 52 prevented prevent VBN 33941 870 53 by by IN 33941 870 54 mercury mercury NN 33941 870 55 being be VBG 33941 870 56 placed place VBN 33941 870 57 in in IN 33941 870 58 the the DT 33941 870 59 cups cup NNS 33941 870 60 of of IN 33941 870 61 _ _ NNP 33941 870 62 C C NNP 33941 870 63 _ _ NNP 33941 870 64 and and CC 33941 870 65 _ _ NNP 33941 870 66 B B NNP 33941 870 67 _ _ NNP 33941 870 68 . . . 33941 871 1 The the DT 33941 871 2 tap tap NN 33941 871 3 may may MD 33941 871 4 be be VB 33941 871 5 opened open VBN 33941 871 6 and and CC 33941 871 7 closed close VBN 33941 871 8 at at IN 33941 871 9 pleasure pleasure NN 33941 871 10 by by IN 33941 871 11 rotating rotate VBG 33941 871 12 _ _ NNP 33941 871 13 B B NNP 33941 871 14 _ _ NNP 33941 871 15 . . . 33941 872 1 [ [ -LRB- 33941 872 2 15 15 CD 33941 872 3 ] ] -RRB- 33941 872 4 From from IN 33941 872 5 _ _ NNP 33941 872 6 Proceedings Proceedings NNP 33941 872 7 of of IN 33941 872 8 Royal Royal NNP 33941 872 9 Society Society NNP 33941 872 10 _ _ NNP 33941 872 11 , , , 33941 872 12 vol vol NNP 33941 872 13 . . . 33941 873 1 XXV XXV NNP 33941 873 2 . . . 33941 874 1 p. p. NN 33941 874 2 396 396 CD 33941 874 3 . . . 33941 875 1 If if IN 33941 875 2 _ _ NNP 33941 875 3 A A NNP 33941 875 4 _ _ NNP 33941 875 5 has have VBZ 33941 875 6 to to TO 33941 875 7 be be VB 33941 875 8 removed remove VBN 33941 875 9 , , , 33941 875 10 _ _ NNP 33941 875 11 C C NNP 33941 875 12 _ _ NNP 33941 875 13 may may MD 33941 875 14 be be VB 33941 875 15 converted convert VBN 33941 875 16 into into IN 33941 875 17 a a DT 33941 875 18 mercury mercury NN 33941 875 19 joint joint NN 33941 875 20 _ _ NNP 33941 875 21 pro pro JJ 33941 875 22 tem tem NN 33941 875 23 . . . 33941 875 24 _ _ VBN 33941 875 25 by by IN 33941 875 26 letting let VBG 33941 875 27 a a DT 33941 875 28 little little JJ 33941 875 29 mercury mercury NN 33941 875 30 from from IN 33941 875 31 the the DT 33941 875 32 upper upper JJ 33941 875 33 cup cup NN 33941 875 34 fall fall VBP 33941 875 35 into into IN 33941 875 36 the the DT 33941 875 37 tube tube NN 33941 875 38 and and CC 33941 875 39 cover cover NN 33941 875 40 _ _ NNP 33941 875 41 d d NNP 33941 875 42 _ _ NNP 33941 875 43 , , , 33941 875 44 the the DT 33941 875 45 tap tap NN 33941 875 46 being be VBG 33941 875 47 closed close VBN 33941 875 48 . . . 33941 876 1 This this DT 33941 876 2 mercury mercury NN 33941 876 3 must must MD 33941 876 4 be be VB 33941 876 5 removed remove VBN 33941 876 6 by by IN 33941 876 7 a a DT 33941 876 8 fine fine JJ 33941 876 9 pipette pipette NN 33941 876 10 in in IN 33941 876 11 order order NN 33941 876 12 to to TO 33941 876 13 use use VB 33941 876 14 the the DT 33941 876 15 tap tap NN 33941 876 16 again again RB 33941 876 17 . . . 33941 877 1 It -PRON- PRP 33941 877 2 should should MD 33941 877 3 be be VB 33941 877 4 noted note VBN 33941 877 5 , , , 33941 877 6 however however RB 33941 877 7 , , , 33941 877 8 that that IN 33941 877 9 though though IN 33941 877 10 external external JJ 33941 877 11 air air NN 33941 877 12 can can MD 33941 877 13 not not RB 33941 877 14 enter enter VB 33941 877 15 by by IN 33941 877 16 way way NN 33941 877 17 of of IN 33941 877 18 the the DT 33941 877 19 ground ground NN 33941 877 20 glass glass NN 33941 877 21 joints joint NNS 33941 877 22 , , , 33941 877 23 there there EX 33941 877 24 is be VBZ 33941 877 25 no no DT 33941 877 26 absolute absolute JJ 33941 877 27 protection protection NN 33941 877 28 against against IN 33941 877 29 the the DT 33941 877 30 passage passage NN 33941 877 31 of of IN 33941 877 32 air air NN 33941 877 33 between between IN 33941 877 34 _ _ NNP 33941 877 35 A A NNP 33941 877 36 _ _ NNP 33941 877 37 and and CC 33941 877 38 _ _ NNP 33941 877 39 C C NNP 33941 877 40 _ _ NNP 33941 877 41 , , , 33941 877 42 or or CC 33941 877 43 vessels vessel NNS 33941 877 44 joined join VBD 33941 877 45 to to IN 33941 877 46 _ _ NNP 33941 877 47 A A NNP 33941 877 48 _ _ NNP 33941 877 49 and and CC 33941 877 50 _ _ NNP 33941 877 51 C C NNP 33941 877 52 _ _ NNP 33941 877 53 , , , 33941 877 54 even even RB 33941 877 55 when when WRB 33941 877 56 the the DT 33941 877 57 tap tap NN 33941 877 58 is be VBZ 33941 877 59 closed closed JJ 33941 877 60 . . . 33941 878 1 The the DT 33941 878 2 passage passage NN 33941 878 3 of of IN 33941 878 4 air air NN 33941 878 5 from from IN 33941 878 6 _ _ NNP 33941 878 7 A A NNP 33941 878 8 _ _ NNP 33941 878 9 to to IN 33941 878 10 _ _ NNP 33941 878 11 C C NNP 33941 878 12 _ _ NNP 33941 878 13 depends depend VBZ 33941 878 14 upon upon IN 33941 878 15 the the DT 33941 878 16 grinding grinding NN 33941 878 17 and and CC 33941 878 18 lubrication lubrication NN 33941 878 19 of of IN 33941 878 20 the the DT 33941 878 21 joint joint NN 33941 878 22 at at IN 33941 878 23 _ _ NNP 33941 878 24 C C NNP 33941 878 25 _ _ NNP 33941 878 26 . . . 33941 879 1 = = NFP 33941 879 2 Lubricating lubricate VBG 33941 879 3 Taps.=--For taps.=--for VB 33941 879 4 general general JJ 33941 879 5 purposes purpose NNS 33941 879 6 resin resin NN 33941 879 7 cerate cerate VBP 33941 879 8 answers answer NNS 33941 879 9 very very RB 33941 879 10 well well RB 33941 879 11 . . . 33941 880 1 In in IN 33941 880 2 special special JJ 33941 880 3 cases case NNS 33941 880 4 burnt burn VBN 33941 880 5 india india NNP 33941 880 6 - - HYPH 33941 880 7 rubber rubber NNP 33941 880 8 , , , 33941 880 9 or or CC 33941 880 10 a a DT 33941 880 11 mixture mixture NN 33941 880 12 of of IN 33941 880 13 burnt burn VBN 33941 880 14 india india NN 33941 880 15 - - HYPH 33941 880 16 rubber rubber NNP 33941 880 17 and and CC 33941 880 18 vaseline vaseline NN 33941 880 19 will will MD 33941 880 20 answer answer VB 33941 880 21 well well RB 33941 880 22 , , , 33941 880 23 or or CC 33941 880 24 vaseline vaseline NN 33941 880 25 may may MD 33941 880 26 be be VB 33941 880 27 used use VBN 33941 880 28 alone alone RB 33941 880 29 . . . 33941 881 1 Sulphuric sulphuric JJ 33941 881 2 acid acid NN 33941 881 3 and and CC 33941 881 4 glycerine glycerine NN 33941 881 5 are be VBP 33941 881 6 too too RB 33941 881 7 fluid fluid JJ 33941 881 8 . . . 33941 882 1 When when WRB 33941 882 2 a a DT 33941 882 3 lubricant lubricant NN 33941 882 4 is be VBZ 33941 882 5 wanted want VBN 33941 882 6 that that WDT 33941 882 7 will will MD 33941 882 8 withstand withstand VB 33941 882 9 the the DT 33941 882 10 action action NN 33941 882 11 of of IN 33941 882 12 ether ether NN 33941 882 13 , , , 33941 882 14 the the DT 33941 882 15 tap tap NN 33941 882 16 may may MD 33941 882 17 be be VB 33941 882 18 lubricated lubricate VBN 33941 882 19 by by IN 33941 882 20 sprinkling sprinkle VBG 33941 882 21 phosphorus phosphorus NN 33941 882 22 pentoxide pentoxide RB 33941 882 23 upon upon IN 33941 882 24 it -PRON- PRP 33941 882 25 , , , 33941 882 26 and and CC 33941 882 27 exposing expose VBG 33941 882 28 it -PRON- PRP 33941 882 29 to to IN 33941 882 30 air air NN 33941 882 31 till till IN 33941 882 32 the the DT 33941 882 33 oxide oxide NN 33941 882 34 becomes become VBZ 33941 882 35 gummy gummy JJ 33941 882 36 . . . 33941 883 1 The the DT 33941 883 2 joint joint NN 33941 883 3 must must MD 33941 883 4 then then RB 33941 883 5 be be VB 33941 883 6 protected protect VBN 33941 883 7 from from IN 33941 883 8 the the DT 33941 883 9 further further JJ 33941 883 10 action action NN 33941 883 11 of of IN 33941 883 12 the the DT 33941 883 13 air air NN 33941 883 14 if if IN 33941 883 15 possible possible JJ 33941 883 16 . . . 33941 884 1 For for IN 33941 884 2 example example NN 33941 884 3 , , , 33941 884 4 if if IN 33941 884 5 a a DT 33941 884 6 safety safety NN 33941 884 7 tap tap NN 33941 884 8 be be VB 33941 884 9 used use VBN 33941 884 10 the the DT 33941 884 11 cup cup NN 33941 884 12 may may MD 33941 884 13 be be VB 33941 884 14 filled fill VBN 33941 884 15 with with IN 33941 884 16 mercury mercury NN 33941 884 17 . . . 33941 885 1 = = NFP 33941 885 2 Air Air NNP 33941 885 3 - - HYPH 33941 885 4 Traps.=--In Traps.=--In NNP 33941 885 5 Fig Fig NNP 33941 885 6 . . . 33941 886 1 33 33 CD 33941 886 2 , , , 33941 886 3 p. p. NN 33941 886 4 66 66 CD 33941 886 5 , , , 33941 886 6 an an DT 33941 886 7 air air NN 33941 886 8 - - HYPH 33941 886 9 trap trap NN 33941 886 10 ( ( -LRB- 33941 886 11 _ _ NNP 33941 886 12 J J NNP 33941 886 13 _ _ NNP 33941 886 14 ) ) -RRB- 33941 886 15 is be VBZ 33941 886 16 shown show VBN 33941 886 17 . . . 33941 887 1 An an DT 33941 887 2 air air NN 33941 887 3 - - HYPH 33941 887 4 trap trap NN 33941 887 5 is be VBZ 33941 887 6 a a DT 33941 887 7 device device NN 33941 887 8 for for IN 33941 887 9 preventing prevent VBG 33941 887 10 the the DT 33941 887 11 mercury mercury NN 33941 887 12 supplied supply VBN 33941 887 13 to to IN 33941 887 14 Sprengel Sprengel NNP 33941 887 15 pumps pump NNS 33941 887 16 , , , 33941 887 17 etc etc FW 33941 887 18 . . FW 33941 887 19 , , , 33941 887 20 from from IN 33941 887 21 carrying carry VBG 33941 887 22 air air NN 33941 887 23 into into IN 33941 887 24 spaces space NNS 33941 887 25 that that WDT 33941 887 26 are be VBP 33941 887 27 exhausted exhaust VBN 33941 887 28 , , , 33941 887 29 or or CC 33941 887 30 are be VBP 33941 887 31 for for IN 33941 887 32 any any DT 33941 887 33 reason reason NN 33941 887 34 to to TO 33941 887 35 be be VB 33941 887 36 kept keep VBN 33941 887 37 free free JJ 33941 887 38 from from IN 33941 887 39 air air NN 33941 887 40 . . . 33941 888 1 Figs fig NNS 33941 888 2 . . . 33941 889 1 36 36 CD 33941 889 2 and and CC 33941 889 3 37 37 CD 33941 889 4 give give VBP 33941 889 5 examples example NNS 33941 889 6 of of IN 33941 889 7 air air NN 33941 889 8 - - HYPH 33941 889 9 traps trap NNS 33941 889 10 . . . 33941 890 1 In in IN 33941 890 2 the the DT 33941 890 3 simpler simple JJR 33941 890 4 of of IN 33941 890 5 the the DT 33941 890 6 two two CD 33941 890 7 ( ( -LRB- 33941 890 8 Fig fig NN 33941 890 9 . . . 33941 891 1 36 36 LS 33941 891 2 ) ) -RRB- 33941 891 3 mercury mercury NN 33941 891 4 flowing flow VBG 33941 891 5 upwards upwards RB 33941 891 6 from from IN 33941 891 7 _ _ NNP 33941 891 8 C C NNP 33941 891 9 _ _ NNP 33941 891 10 that that WDT 33941 891 11 may may MD 33941 891 12 carry carry VB 33941 891 13 bubbles bubble NNS 33941 891 14 of of IN 33941 891 15 air air NN 33941 891 16 with with IN 33941 891 17 it -PRON- PRP 33941 891 18 passes pass VBZ 33941 891 19 through through IN 33941 891 20 the the DT 33941 891 21 bulb bulb NN 33941 891 22 _ _ NNP 33941 891 23 A A NNP 33941 891 24 _ _ NNP 33941 891 25 , , , 33941 891 26 which which WDT 33941 891 27 is be VBZ 33941 891 28 _ _ NNP 33941 891 29 filled fill VBN 33941 891 30 _ _ NNP 33941 891 31 with with IN 33941 891 32 mercury mercury NN 33941 891 33 before before IN 33941 891 34 use use NN 33941 891 35 . . . 33941 892 1 [ [ -LRB- 33941 892 2 16 16 CD 33941 892 3 ] ] -RRB- 33941 892 4 Any any DT 33941 892 5 air air NN 33941 892 6 which which WDT 33941 892 7 accompanies accompany VBZ 33941 892 8 the the DT 33941 892 9 mercury mercury NN 33941 892 10 will will MD 33941 892 11 collect collect VB 33941 892 12 at at IN 33941 892 13 _ _ NNP 33941 892 14 a a DT 33941 892 15 _ _ NNP 33941 892 16 , , , 33941 892 17 the the DT 33941 892 18 mercury mercury NN 33941 892 19 will will MD 33941 892 20 flow flow VB 33941 892 21 on on RP 33941 892 22 through through IN 33941 892 23 _ _ NNP 33941 892 24 b b NNP 33941 892 25 _ _ NNP 33941 892 26 . . . 33941 893 1 So so RB 33941 893 2 long long RB 33941 893 3 as as IN 33941 893 4 the the DT 33941 893 5 level level NN 33941 893 6 of of IN 33941 893 7 the the DT 33941 893 8 mercury mercury NN 33941 893 9 in in IN 33941 893 10 A A NNP 33941 893 11 is be VBZ 33941 893 12 above above IN 33941 893 13 _ _ NNP 33941 893 14 b b NNP 33941 893 15 _ _ NNP 33941 893 16 , , , 33941 893 17 the the DT 33941 893 18 trap trap NN 33941 893 19 remains remain VBZ 33941 893 20 effective effective JJ 33941 893 21 . . . 33941 894 1 [ [ -LRB- 33941 894 2 16 16 CD 33941 894 3 ] ] -RRB- 33941 894 4 This this DT 33941 894 5 may may MD 33941 894 6 be be VB 33941 894 7 done do VBN 33941 894 8 by by IN 33941 894 9 clamping clamp VBG 33941 894 10 the the DT 33941 894 11 tube tube NN 33941 894 12 which which WDT 33941 894 13 supplies supply VBZ 33941 894 14 mercury mercury NN 33941 894 15 below below IN 33941 894 16 _ _ NNP 33941 894 17 C C NNP 33941 894 18 _ _ NNP 33941 894 19 , , , 33941 894 20 exhausting exhaust VBG 33941 894 21 _ _ NNP 33941 894 22 A A NNP 33941 894 23 _ _ NNP 33941 894 24 , , , 33941 894 25 and and CC 33941 894 26 then then RB 33941 894 27 opening open VBG 33941 894 28 the the DT 33941 894 29 clamped clamped JJ 33941 894 30 tube tube NN 33941 894 31 and and CC 33941 894 32 allowing allow VBG 33941 894 33 the the DT 33941 894 34 mercury mercury NN 33941 894 35 to to TO 33941 894 36 rise rise VB 33941 894 37 . . . 33941 895 1 [ [ -LRB- 33941 895 2 Illustration illustration NN 33941 895 3 : : : 33941 895 4 FIG FIG NNP 33941 895 5 . . . 33941 896 1 36 36 CD 33941 896 2 . . . 33941 896 3 ] ] -RRB- 33941 897 1 [ [ -LRB- 33941 897 2 Illustration illustration NN 33941 897 3 : : : 33941 897 4 FIG FIG NNP 33941 897 5 . . . 33941 898 1 37 37 CD 33941 898 2 . . . 33941 898 3 ] ] -RRB- 33941 899 1 In in IN 33941 899 2 the the DT 33941 899 3 trap trap NN 33941 899 4 shown show VBN 33941 899 5 by by IN 33941 899 6 Fig Fig NNP 33941 899 7 . . . 33941 900 1 37 37 CD 33941 900 2 , , , 33941 900 3 the the DT 33941 900 4 tube tube NN 33941 900 5 _ _ NNP 33941 900 6 d d NNP 33941 900 7 _ _ NNP 33941 900 8 , , , 33941 900 9 which which WDT 33941 900 10 corresponds correspond VBZ 33941 900 11 to to IN 33941 900 12 _ _ NNP 33941 900 13 b b NNP 33941 900 14 _ _ NNP 33941 900 15 in in IN 33941 900 16 Fig Fig NNP 33941 900 17 . . . 33941 901 1 36 36 CD 33941 901 2 , , , 33941 901 3 is be VBZ 33941 901 4 protected protect VBN 33941 901 5 at at IN 33941 901 6 its -PRON- PRP$ 33941 901 7 end end NN 33941 901 8 by by IN 33941 901 9 the the DT 33941 901 10 cup cup NN 33941 901 11 _ _ NNP 33941 901 12 E E NNP 33941 901 13 _ _ NNP 33941 901 14 . . . 33941 902 1 _ _ NNP 33941 902 2 E E NNP 33941 902 3 _ _ NNP 33941 902 4 prevents prevent VBZ 33941 902 5 the the DT 33941 902 6 direct direct JJ 33941 902 7 passage passage NN 33941 902 8 of of IN 33941 902 9 minute minute NN 33941 902 10 bubbles bubble NNS 33941 902 11 of of IN 33941 902 12 air air NN 33941 902 13 through through IN 33941 902 14 _ _ NNP 33941 902 15 d d NNP 33941 902 16 _ _ NNP 33941 902 17 . . . 33941 903 1 This this DT 33941 903 2 trap trap NN 33941 903 3 , , , 33941 903 4 like like IN 33941 903 5 the the DT 33941 903 6 other other JJ 33941 903 7 , , , 33941 903 8 must must MD 33941 903 9 be be VB 33941 903 10 filled fill VBN 33941 903 11 with with IN 33941 903 12 mercury mercury NN 33941 903 13 before before IN 33941 903 14 it -PRON- PRP 33941 903 15 is be VBZ 33941 903 16 used use VBN 33941 903 17 , , , 33941 903 18 and and CC 33941 903 19 it -PRON- PRP 33941 903 20 will will MD 33941 903 21 then then RB 33941 903 22 remain remain VB 33941 903 23 effective effective JJ 33941 903 24 for for IN 33941 903 25 some some DT 33941 903 26 time time NN 33941 903 27 . . . 33941 904 1 CHAPTER CHAPTER NNP 33941 904 2 V. V. NNP 33941 904 3 _ _ NNP 33941 904 4 GRADUATING GRADUATING NNP 33941 904 5 AND and CC 33941 904 6 CALIBRATING calibrating NN 33941 904 7 GLASS GLASS NNP 33941 904 8 APPARATUS APPARATUS NNP 33941 904 9 . . . 33941 904 10 _ _ NNP 33941 904 11 Although although IN 33941 904 12 the the DT 33941 904 13 subjects subject NNS 33941 904 14 to to TO 33941 904 15 which which WDT 33941 904 16 this this DT 33941 904 17 concluding concluding NN 33941 904 18 chapter chapter NN 33941 904 19 is be VBZ 33941 904 20 devoted devoted JJ 33941 904 21 do do VBP 33941 904 22 not not RB 33941 904 23 , , , 33941 904 24 properly properly RB 33941 904 25 speaking speak VBG 33941 904 26 , , , 33941 904 27 consist consist VB 33941 904 28 of of IN 33941 904 29 operations operation NNS 33941 904 30 in in IN 33941 904 31 glass glass NN 33941 904 32 - - HYPH 33941 904 33 blowing blowing NN 33941 904 34 , , , 33941 904 35 they -PRON- PRP 33941 904 36 are be VBP 33941 904 37 so so RB 33941 904 38 allied allied JJ 33941 904 39 to to IN 33941 904 40 the the DT 33941 904 41 subject subject NN 33941 904 42 , , , 33941 904 43 and and CC 33941 904 44 of of IN 33941 904 45 such such JJ 33941 904 46 great great JJ 33941 904 47 importance importance NN 33941 904 48 , , , 33941 904 49 that that IN 33941 904 50 I -PRON- PRP 33941 904 51 think think VBP 33941 904 52 a a DT 33941 904 53 brief brief JJ 33941 904 54 account account NN 33941 904 55 of of IN 33941 904 56 them -PRON- PRP 33941 904 57 may may MD 33941 904 58 advantageously advantageously RB 33941 904 59 be be VB 33941 904 60 included include VBN 33941 904 61 . . . 33941 905 1 = = NFP 33941 905 2 Graduating Graduating NNP 33941 905 3 Tubes Tubes NNPS 33941 905 4 , , , 33941 905 5 etc.=--It etc.=--It NNS 33941 905 6 was be VBD 33941 905 7 formerly formerly RB 33941 905 8 the the DT 33941 905 9 custom custom NN 33941 905 10 to to TO 33941 905 11 graduate graduate VB 33941 905 12 the the DT 33941 905 13 apparatus apparatus NN 33941 905 14 intended intend VBN 33941 905 15 for for IN 33941 905 16 use use NN 33941 905 17 in in IN 33941 905 18 quantitative quantitative JJ 33941 905 19 work work NN 33941 905 20 into into IN 33941 905 21 parts part NNS 33941 905 22 of of IN 33941 905 23 equal equal JJ 33941 905 24 capacity capacity NN 33941 905 25 ; ; : 33941 905 26 for for IN 33941 905 27 example example NN 33941 905 28 , , , 33941 905 29 into into IN 33941 905 30 cubic cubic JJ 33941 905 31 centimetres centimetre NNS 33941 905 32 and and CC 33941 905 33 fractions fraction NNS 33941 905 34 of of IN 33941 905 35 cubic cubic JJ 33941 905 36 centimetres centimetre NNS 33941 905 37 . . . 33941 906 1 For for IN 33941 906 2 the the DT 33941 906 3 operations operation NNS 33941 906 4 of of IN 33941 906 5 volumetric volumetric NNP 33941 906 6 analysis analysis NN 33941 906 7 by by IN 33941 906 8 liquids liquid NNS 33941 906 9 this this DT 33941 906 10 is be VBZ 33941 906 11 still still RB 33941 906 12 done do VBN 33941 906 13 . . . 33941 907 1 But but CC 33941 907 2 for for IN 33941 907 3 most most JJS 33941 907 4 purposes purpose NNS 33941 907 5 it -PRON- PRP 33941 907 6 is be VBZ 33941 907 7 better well JJR 33941 907 8 to to TO 33941 907 9 employ employ VB 33941 907 10 a a DT 33941 907 11 scale scale NN 33941 907 12 of of IN 33941 907 13 equal equal JJ 33941 907 14 divisions division NNS 33941 907 15 by by IN 33941 907 16 length length NN 33941 907 17 , , , 33941 907 18 usually usually RB 33941 907 19 of of IN 33941 907 20 millimetres millimetre NNS 33941 907 21 , , , 33941 907 22 and and CC 33941 907 23 to to TO 33941 907 24 determine determine VB 33941 907 25 the the DT 33941 907 26 relative relative JJ 33941 907 27 values value NNS 33941 907 28 of of IN 33941 907 29 the the DT 33941 907 30 divisions division NNS 33941 907 31 afterwards afterwards RB 33941 907 32 , , , 33941 907 33 as as IN 33941 907 34 described describe VBN 33941 907 35 under under IN 33941 907 36 calibration calibration NN 33941 907 37 . . . 33941 908 1 It -PRON- PRP 33941 908 2 rarely rarely RB 33941 908 3 happens happen VBZ 33941 908 4 that that IN 33941 908 5 the the DT 33941 908 6 tube tube NN 33941 908 7 of of IN 33941 908 8 which which WDT 33941 908 9 a a DT 33941 908 10 burette burette NN 33941 908 11 or or CC 33941 908 12 eudiometer eudiometer NN 33941 908 13 is be VBZ 33941 908 14 made make VBN 33941 908 15 has have VBZ 33941 908 16 equal equal JJ 33941 908 17 divisions division NNS 33941 908 18 of of IN 33941 908 19 its -PRON- PRP$ 33941 908 20 length length NN 33941 908 21 of of IN 33941 908 22 exactly exactly RB 33941 908 23 equal equal JJ 33941 908 24 capacities capacity NNS 33941 908 25 throughout throughout IN 33941 908 26 its -PRON- PRP$ 33941 908 27 entire entire JJ 33941 908 28 length length NN 33941 908 29 , , , 33941 908 30 and and CC 33941 908 31 indeed indeed RB 33941 908 32 , , , 33941 908 33 even even RB 33941 908 34 for for IN 33941 908 35 ordinary ordinary JJ 33941 908 36 volumetric volumetric NN 33941 908 37 work work NN 33941 908 38 , , , 33941 908 39 no no DT 33941 908 40 burette burette NN 33941 908 41 should should MD 33941 908 42 be be VB 33941 908 43 employed employ VBN 33941 908 44 before before IN 33941 908 45 its -PRON- PRP$ 33941 908 46 accuracy accuracy NN 33941 908 47 has have VBZ 33941 908 48 been be VBN 33941 908 49 verified verify VBN 33941 908 50 . . . 33941 909 1 An an DT 33941 909 2 excellent excellent JJ 33941 909 3 method method NN 33941 909 4 for for IN 33941 909 5 graduating graduate VBG 33941 909 6 glass glass NN 33941 909 7 tubes tube NNS 33941 909 8 by by IN 33941 909 9 hand[17 hand[17 NNP 33941 909 10 ] ] -RRB- 33941 909 11 has have VBZ 33941 909 12 been be VBN 33941 909 13 described describe VBN 33941 909 14 in in IN 33941 909 15 Watts Watts NNP 33941 909 16 's 's POS 33941 909 17 _ _ NNP 33941 909 18 Dictionary Dictionary NNP 33941 909 19 of of IN 33941 909 20 Chemistry Chemistry NNP 33941 909 21 _ _ NNP 33941 909 22 , , , 33941 909 23 and and CC 33941 909 24 elsewhere elsewhere RB 33941 909 25 . . . 33941 910 1 Another another DT 33941 910 2 excellent excellent JJ 33941 910 3 plan plan NN 33941 910 4 , , , 33941 910 5 which which WDT 33941 910 6 I -PRON- PRP 33941 910 7 have have VBP 33941 910 8 permission permission NN 33941 910 9 to to TO 33941 910 10 describe describe VB 33941 910 11 , , , 33941 910 12 has have VBZ 33941 910 13 been be VBN 33941 910 14 employed employ VBN 33941 910 15 by by IN 33941 910 16 Professor Professor NNP 33941 910 17 W. W. NNP 33941 910 18 Ramsay Ramsay NNP 33941 910 19 . . . 33941 911 1 It -PRON- PRP 33941 911 2 will will MD 33941 911 3 be be VB 33941 911 4 sufficient sufficient JJ 33941 911 5 if if IN 33941 911 6 I -PRON- PRP 33941 911 7 explain explain VBP 33941 911 8 its -PRON- PRP$ 33941 911 9 application application NN 33941 911 10 to to IN 33941 911 11 the the DT 33941 911 12 operation operation NN 33941 911 13 of of IN 33941 911 14 graduating graduate VBG 33941 911 15 a a DT 33941 911 16 tube tube NN 33941 911 17 or or CC 33941 911 18 strip strip NN 33941 911 19 of of IN 33941 911 20 glass glass NNP 33941 911 21 in in IN 33941 911 22 millimetre millimetre NN 33941 911 23 divisions division NNS 33941 911 24 . . . 33941 912 1 [ [ -LRB- 33941 912 2 17 17 CD 33941 912 3 ] ] -RRB- 33941 912 4 Originally originally RB 33941 912 5 suggested suggest VBN 33941 912 6 by by IN 33941 912 7 Bunsen Bunsen NNP 33941 912 8 . . . 33941 913 1 The the DT 33941 913 2 apparatus apparatus NN 33941 913 3 required require VBD 33941 913 4 consists consist VBZ 33941 913 5 of of IN 33941 913 6 a a DT 33941 913 7 standard standard JJ 33941 913 8 metre metre NNP 33941 913 9 measure,[18 measure,[18 CD 33941 913 10 ] ] -RRB- 33941 913 11 divided divide VBN 33941 913 12 into into IN 33941 913 13 millimetres millimetre NNS 33941 913 14 along along IN 33941 913 15 each each DT 33941 913 16 of of IN 33941 913 17 its -PRON- PRP$ 33941 913 18 edges edge NNS 33941 913 19 , , , 33941 913 20 with with IN 33941 913 21 centimetre centimetre JJ 33941 913 22 divisions division NNS 33941 913 23 between between IN 33941 913 24 them -PRON- PRP 33941 913 25 , , , 33941 913 26 a a DT 33941 913 27 ruler ruler NN 33941 913 28 adapted adapt VBN 33941 913 29 to to IN 33941 913 30 the the DT 33941 913 31 standard standard JJ 33941 913 32 metre metre NNP 33941 913 33 , , , 33941 913 34 as as IN 33941 913 35 subsequently subsequently RB 33941 913 36 explained explain VBD 33941 913 37 , , , 33941 913 38 and and CC 33941 913 39 a a DT 33941 913 40 style style NN 33941 913 41 with with IN 33941 913 42 a a DT 33941 913 43 fine fine JJ 33941 913 44 point point NN 33941 913 45 for for IN 33941 913 46 marking mark VBG 33941 913 47 waxed waxed JJ 33941 913 48 surfaces surface NNS 33941 913 49 . . . 33941 914 1 [ [ -LRB- 33941 914 2 18 18 CD 33941 914 3 ] ] -RRB- 33941 914 4 Such such JJ 33941 914 5 measures measure NNS 33941 914 6 can can MD 33941 914 7 be be VB 33941 914 8 obtained obtain VBN 33941 914 9 of of IN 33941 914 10 steel steel NN 33941 914 11 for for IN 33941 914 12 about about RB 33941 914 13 _ _ NNP 33941 914 14 fifteen fifteen CD 33941 914 15 shillings shilling NNS 33941 914 16 _ _ IN 33941 914 17 each each DT 33941 914 18 . . . 33941 915 1 They -PRON- PRP 33941 915 2 are be VBP 33941 915 3 made make VBN 33941 915 4 by by IN 33941 915 5 Mr. Mr. NNP 33941 915 6 Chesterman Chesterman NNP 33941 915 7 of of IN 33941 915 8 Sheffield Sheffield NNP 33941 915 9 . . . 33941 916 1 They -PRON- PRP 33941 916 2 can can MD 33941 916 3 be be VB 33941 916 4 obtained obtain VBN 33941 916 5 also also RB 33941 916 6 from from IN 33941 916 7 other other JJ 33941 916 8 makers maker NNS 33941 916 9 of of IN 33941 916 10 philosophical philosophical JJ 33941 916 11 instruments instrument NNS 33941 916 12 , , , 33941 916 13 at at IN 33941 916 14 prices price NNS 33941 916 15 depending depend VBG 33941 916 16 upon upon IN 33941 916 17 their -PRON- PRP$ 33941 916 18 delicacy delicacy NN 33941 916 19 . . . 33941 917 1 Those those DT 33941 917 2 of of IN 33941 917 3 the the DT 33941 917 4 greatest great JJS 33941 917 5 accuracy accuracy NN 33941 917 6 are be VBP 33941 917 7 somewhat somewhat RB 33941 917 8 costly costly JJ 33941 917 9 . . . 33941 918 1 [ [ -LRB- 33941 918 2 Illustration illustration NN 33941 918 3 : : : 33941 918 4 FIG FIG NNP 33941 918 5 . . . 33941 919 1 38 38 CD 33941 919 2 . . . 33941 919 3 ] ] -RRB- 33941 920 1 Fig fig NN 33941 920 2 . . . 33941 921 1 38 38 CD 33941 921 2 represents represent VBZ 33941 921 3 the the DT 33941 921 4 standard standard JJ 33941 921 5 measure measure NN 33941 921 6 , , , 33941 921 7 and and CC 33941 921 8 the the DT 33941 921 9 ruler ruler NN 33941 921 10 . . . 33941 922 1 At at IN 33941 922 2 _ _ NNP 33941 922 3 AA AA NNP 33941 922 4 _ _ NNP 33941 922 5 are be VBP 33941 922 6 the the DT 33941 922 7 millimetre millimetre NN 33941 922 8 divisions division NNS 33941 922 9 on on IN 33941 922 10 the the DT 33941 922 11 edges edge NNS 33941 922 12 of of IN 33941 922 13 the the DT 33941 922 14 measure measure NN 33941 922 15 , , , 33941 922 16 the the DT 33941 922 17 longer long RBR 33941 922 18 transverse transverse JJ 33941 922 19 lines line NNS 33941 922 20 at at IN 33941 922 21 _ _ NNP 33941 922 22 BB BB NNP 33941 922 23 _ _ NNP 33941 922 24 are be VBP 33941 922 25 placed place VBN 33941 922 26 at at IN 33941 922 27 intervals interval NNS 33941 922 28 of of IN 33941 922 29 five five CD 33941 922 30 millimetres millimetre NNS 33941 922 31 and and CC 33941 922 32 of of IN 33941 922 33 centimetres centimetre NNS 33941 922 34 . . . 33941 923 1 The the DT 33941 923 2 ruler ruler NN 33941 923 3 is be VBZ 33941 923 4 in in IN 33941 923 5 the the DT 33941 923 6 form form NN 33941 923 7 of of IN 33941 923 8 a a DT 33941 923 9 right right RB 33941 923 10 - - HYPH 33941 923 11 angled angle VBN 33941 923 12 triangle triangle NN 33941 923 13 ; ; : 33941 923 14 it -PRON- PRP 33941 923 15 is be VBZ 33941 923 16 shown show VBN 33941 923 17 , , , 33941 923 18 by by IN 33941 923 19 the the DT 33941 923 20 dotted dotted JJ 33941 923 21 lines line NNS 33941 923 22 , , , 33941 923 23 in in IN 33941 923 24 position position NN 33941 923 25 on on IN 33941 923 26 the the DT 33941 923 27 standard standard JJ 33941 923 28 metre metre NNP 33941 923 29 measure measure NN 33941 923 30 at at IN 33941 923 31 _ _ NNP 33941 923 32 I -PRON- PRP 33941 923 33 _ _ NNP 33941 923 34 ; ; : 33941 923 35 and and CC 33941 923 36 again again RB 33941 923 37 , , , 33941 923 38 with with IN 33941 923 39 its -PRON- PRP$ 33941 923 40 under under JJ 33941 923 41 surface surface NN 33941 923 42 upwards upwards RB 33941 923 43 , , , 33941 923 44 in in IN 33941 923 45 the the DT 33941 923 46 smaller small JJR 33941 923 47 figure figure NN 33941 923 48 at at IN 33941 923 49 2 2 CD 33941 923 50 . . . 33941 924 1 It -PRON- PRP 33941 924 2 consists consist VBZ 33941 924 3 of of IN 33941 924 4 a a DT 33941 924 5 perfectly perfectly RB 33941 924 6 flat flat JJ 33941 924 7 sheet sheet NN 33941 924 8 of of IN 33941 924 9 metal metal NN 33941 924 10 , , , 33941 924 11 about about RB 33941 924 12 ten ten CD 33941 924 13 centimetres centimetre NNS 33941 924 14 in in IN 33941 924 15 length length NN 33941 924 16 from from IN 33941 924 17 _ _ NNP 33941 924 18 C C NNP 33941 924 19 _ _ NNP 33941 924 20 to to IN 33941 924 21 _ _ NNP 33941 924 22 C C NNP 33941 924 23 _ _ NNP 33941 924 24 , , , 33941 924 25 sufficiently sufficiently RB 33941 924 26 thick thick JJ 33941 924 27 to to TO 33941 924 28 be be VB 33941 924 29 rigid rigid JJ 33941 924 30 , , , 33941 924 31 and and CC 33941 924 32 has have VBZ 33941 924 33 a a DT 33941 924 34 ledge ledge NN 33941 924 35 , , , 33941 924 36 _ _ NNP 33941 924 37 DD DD NNP 33941 924 38 _ _ NNP 33941 924 39 in in IN 33941 924 40 each each DT 33941 924 41 figure figure NN 33941 924 42 , , , 33941 924 43 which which WDT 33941 924 44 is be VBZ 33941 924 45 pressed press VBN 33941 924 46 against against IN 33941 924 47 the the DT 33941 924 48 side side NN 33941 924 49 of of IN 33941 924 50 the the DT 33941 924 51 measure measure NN 33941 924 52 when when WRB 33941 924 53 using use VBG 33941 924 54 it -PRON- PRP 33941 924 55 , , , 33941 924 56 to to TO 33941 924 57 ensure ensure VB 33941 924 58 that that IN 33941 924 59 the the DT 33941 924 60 successive successive JJ 33941 924 61 positions position NNS 33941 924 62 of of IN 33941 924 63 the the DT 33941 924 64 edge edge NN 33941 924 65 ( ( -LRB- 33941 924 66 _ _ NNP 33941 924 67 LL LL NNP 33941 924 68 _ _ NNP 33941 924 69 ) ) -RRB- 33941 924 70 shall shall MD 33941 924 71 be be VB 33941 924 72 parallel parallel JJ 33941 924 73 to to IN 33941 924 74 each each DT 33941 924 75 other other JJ 33941 924 76 . . . 33941 925 1 At at IN 33941 925 2 _ _ NNP 33941 925 3 GG GG NNP 33941 925 4 _ _ NNP 33941 925 5 are be VBP 33941 925 6 two two CD 33941 925 7 small small JJ 33941 925 8 holes hole NNS 33941 925 9 , , , 33941 925 10 into into IN 33941 925 11 which which WDT 33941 925 12 fit fit JJ 33941 925 13 small small JJ 33941 925 14 screws screw NNS 33941 925 15 with with IN 33941 925 16 fine fine JJ 33941 925 17 points point NNS 33941 925 18 . . . 33941 926 1 These these DT 33941 926 2 must must MD 33941 926 3 be be VB 33941 926 4 in in IN 33941 926 5 a a DT 33941 926 6 line line NN 33941 926 7 parallel parallel JJ 33941 926 8 to to IN 33941 926 9 the the DT 33941 926 10 edge edge NN 33941 926 11 ( ( -LRB- 33941 926 12 _ _ NNP 33941 926 13 LL LL NNP 33941 926 14 _ _ NNP 33941 926 15 ) ) -RRB- 33941 926 16 , , , 33941 926 17 so so IN 33941 926 18 that that IN 33941 926 19 when when WRB 33941 926 20 the the DT 33941 926 21 ruler ruler NN 33941 926 22 is be VBZ 33941 926 23 in in IN 33941 926 24 position position NN 33941 926 25 on on IN 33941 926 26 the the DT 33941 926 27 scale scale NN 33941 926 28 , , , 33941 926 29 the the DT 33941 926 30 points point NNS 33941 926 31 of of IN 33941 926 32 the the DT 33941 926 33 two two CD 33941 926 34 screws screw NNS 33941 926 35 , , , 33941 926 36 which which WDT 33941 926 37 project project VBP 33941 926 38 slightly slightly RB 33941 926 39 , , , 33941 926 40 shall shall MD 33941 926 41 fall fall VB 33941 926 42 into into IN 33941 926 43 corresponding corresponding JJ 33941 926 44 cuts cut NNS 33941 926 45 on on IN 33941 926 46 the the DT 33941 926 47 divided divide VBN 33941 926 48 scales scale NNS 33941 926 49 ( ( -LRB- 33941 926 50 _ _ NNP 33941 926 51 AA AA NNP 33941 926 52 _ _ NNP 33941 926 53 ) ) -RRB- 33941 926 54 . . . 33941 927 1 To to TO 33941 927 2 graduate graduate VB 33941 927 3 a a DT 33941 927 4 strip strip NN 33941 927 5 of of IN 33941 927 6 glass glass NN 33941 927 7 , , , 33941 927 8 or or CC 33941 927 9 a a DT 33941 927 10 glass glass NN 33941 927 11 tube tube NN 33941 927 12 ( ( -LRB- 33941 927 13 _ _ NNP 33941 927 14 HH HH NNP 33941 927 15 _ _ NNP 33941 927 16 ) ) -RRB- 33941 927 17 , , , 33941 927 18 the the DT 33941 927 19 surface surface NN 33941 927 20 to to TO 33941 927 21 be be VB 33941 927 22 marked mark VBN 33941 927 23 must must MD 33941 927 24 first first RB 33941 927 25 be be VB 33941 927 26 coated coat VBN 33941 927 27 with with IN 33941 927 28 wax wax NN 33941 927 29 , , , 33941 927 30 which which WDT 33941 927 31 should should MD 33941 927 32 be be VB 33941 927 33 mixed mix VBN 33941 927 34 with with IN 33941 927 35 a a DT 33941 927 36 little little JJ 33941 927 37 turpentine turpentine NN 33941 927 38 , , , 33941 927 39 and and CC 33941 927 40 be be VB 33941 927 41 applied apply VBN 33941 927 42 to to IN 33941 927 43 the the DT 33941 927 44 surface surface NN 33941 927 45 of of IN 33941 927 46 the the DT 33941 927 47 glass glass NN 33941 927 48 , , , 33941 927 49 previously previously RB 33941 927 50 made make VBD 33941 927 51 _ _ NNP 33941 927 52 warm warm JJ 33941 927 53 _ _ NNP 33941 927 54 and and CC 33941 927 55 _ _ NNP 33941 927 56 dry dry JJ 33941 927 57 _ _ NNP 33941 927 58 , , , 33941 927 59 by by IN 33941 927 60 means mean NNS 33941 927 61 of of IN 33941 927 62 a a DT 33941 927 63 fine fine JJ 33941 927 64 brush brush NN 33941 927 65 , , , 33941 927 66 so so IN 33941 927 67 as as IN 33941 927 68 to to TO 33941 927 69 completely completely RB 33941 927 70 cover cover VB 33941 927 71 it -PRON- PRP 33941 927 72 with with IN 33941 927 73 a a DT 33941 927 74 thin thin JJ 33941 927 75 , , , 33941 927 76 closely closely RB 33941 927 77 - - HYPH 33941 927 78 adherent adherent JJ 33941 927 79 , , , 33941 927 80 and and CC 33941 927 81 evenly evenly RB 33941 927 82 - - HYPH 33941 927 83 distributed distribute VBN 33941 927 84 coat coat NN 33941 927 85 of of IN 33941 927 86 wax wax NN 33941 927 87 , , , 33941 927 88 which which WDT 33941 927 89 must must MD 33941 927 90 be be VB 33941 927 91 allowed allow VBN 33941 927 92 to to TO 33941 927 93 cool cool VB 33941 927 94 . . . 33941 928 1 Fix Fix NNP 33941 928 2 _ _ NNP 33941 928 3 HH HH NNP 33941 928 4 _ _ NNP 33941 928 5 firmly firmly RB 33941 928 6 on on IN 33941 928 7 a a DT 33941 928 8 table table NN 33941 928 9 , , , 33941 928 10 and and CC 33941 928 11 fix fix VB 33941 928 12 the the DT 33941 928 13 standard standard JJ 33941 928 14 measure measure NN 33941 928 15 by by IN 33941 928 16 the the DT 33941 928 17 side side NN 33941 928 18 of of IN 33941 928 19 _ _ NNP 33941 928 20 HH HH NNP 33941 928 21 _ _ NNP 33941 928 22 . . . 33941 929 1 If if IN 33941 929 2 the the DT 33941 929 3 thickness thickness NN 33941 929 4 of of IN 33941 929 5 _ _ NNP 33941 929 6 HH HH NNP 33941 929 7 _ _ NNP 33941 929 8 be be VB 33941 929 9 about about RB 33941 929 10 equal equal JJ 33941 929 11 to to IN 33941 929 12 , , , 33941 929 13 but but CC 33941 929 14 not not RB 33941 929 15 greater great JJR 33941 929 16 than than IN 33941 929 17 that that DT 33941 929 18 of of IN 33941 929 19 the the DT 33941 929 20 standard standard JJ 33941 929 21 measure measure NN 33941 929 22 , , , 33941 929 23 this this DT 33941 929 24 may may MD 33941 929 25 be be VB 33941 929 26 done do VBN 33941 929 27 by by IN 33941 929 28 large large JJ 33941 929 29 drawing drawing NN 33941 929 30 - - HYPH 33941 929 31 pins pin NNS 33941 929 32 . . . 33941 930 1 If if IN 33941 930 2 , , , 33941 930 3 however however RB 33941 930 4 , , , 33941 930 5 a a DT 33941 930 6 large large JJ 33941 930 7 tube tube NN 33941 930 8 or or CC 33941 930 9 thick thick JJ 33941 930 10 sheet sheet NN 33941 930 11 of of IN 33941 930 12 glass glass NN 33941 930 13 is be VBZ 33941 930 14 to to TO 33941 930 15 be be VB 33941 930 16 graduated graduate VBN 33941 930 17 , , , 33941 930 18 fix fix VB 33941 930 19 it -PRON- PRP 33941 930 20 in in IN 33941 930 21 position position NN 33941 930 22 by by IN 33941 930 23 two two CD 33941 930 24 strips strip NNS 33941 930 25 of of IN 33941 930 26 wood wood NN 33941 930 27 screwed screw VBD 33941 930 28 to to IN 33941 930 29 the the DT 33941 930 30 table table NN 33941 930 31 on on IN 33941 930 32 each each DT 33941 930 33 side side NN 33941 930 34 of of IN 33941 930 35 it -PRON- PRP 33941 930 36 . . . 33941 931 1 One one CD 33941 931 2 of of IN 33941 931 3 these these DT 33941 931 4 wooden wooden JJ 33941 931 5 strips strip NNS 33941 931 6 , , , 33941 931 7 on on IN 33941 931 8 which which WDT 33941 931 9 the the DT 33941 931 10 measure measure NN 33941 931 11 may may MD 33941 931 12 be be VB 33941 931 13 placed place VBN 33941 931 14 , , , 33941 931 15 may may MD 33941 931 16 be be VB 33941 931 17 about about RB 33941 931 18 as as RB 33941 931 19 broad broad JJ 33941 931 20 as as IN 33941 931 21 the the DT 33941 931 22 standard standard JJ 33941 931 23 measure measure NN 33941 931 24 , , , 33941 931 25 and and CC 33941 931 26 of of IN 33941 931 27 such such JJ 33941 931 28 thickness thickness NN 33941 931 29 that that IN 33941 931 30 when when WRB 33941 931 31 the the DT 33941 931 32 measure measure NN 33941 931 33 lies lie VBZ 33941 931 34 upon upon IN 33941 931 35 it -PRON- PRP 33941 931 36 beside beside IN 33941 931 37 the the DT 33941 931 38 tube tube NN 33941 931 39 to to TO 33941 931 40 be be VB 33941 931 41 graduated graduate VBN 33941 931 42 , , , 33941 931 43 the the DT 33941 931 44 ruler ruler NN 33941 931 45 , , , 33941 931 46 when when WRB 33941 931 47 moved move VBN 33941 931 48 along along IN 33941 931 49 the the DT 33941 931 50 measure measure NN 33941 931 51 , , , 33941 931 52 will will MD 33941 931 53 move move VB 33941 931 54 freely freely RB 33941 931 55 above above IN 33941 931 56 the the DT 33941 931 57 tube tube NN 33941 931 58 , , , 33941 931 59 but but CC 33941 931 60 will will MD 33941 931 61 not not RB 33941 931 62 be be VB 33941 931 63 elevated elevate VBN 33941 931 64 more more JJR 33941 931 65 than than IN 33941 931 66 is be VBZ 33941 931 67 necessary necessary JJ 33941 931 68 to to TO 33941 931 69 secure secure VB 33941 931 70 free free JJ 33941 931 71 movement movement NN 33941 931 72 . . . 33941 932 1 The the DT 33941 932 2 second second JJ 33941 932 3 strip strip NN 33941 932 4 of of IN 33941 932 5 wood wood NN 33941 932 6 may may MD 33941 932 7 be be VB 33941 932 8 narrower narrow JJR 33941 932 9 , , , 33941 932 10 and and CC 33941 932 11 of of IN 33941 932 12 the the DT 33941 932 13 same same JJ 33941 932 14 thickness thickness NN 33941 932 15 as as IN 33941 932 16 the the DT 33941 932 17 broader broad JJR 33941 932 18 piece piece NN 33941 932 19 on on IN 33941 932 20 which which WDT 33941 932 21 the the DT 33941 932 22 standard standard JJ 33941 932 23 measure measure NN 33941 932 24 rests rest NNS 33941 932 25 . . . 33941 933 1 In in IN 33941 933 2 any any DT 33941 933 3 case case NN 33941 933 4 , , , 33941 933 5 let let VB 33941 933 6 the the DT 33941 933 7 standard standard JJ 33941 933 8 measure measure NN 33941 933 9 and and CC 33941 933 10 the the DT 33941 933 11 object object NN 33941 933 12 to to TO 33941 933 13 be be VB 33941 933 14 graduated graduate VBN 33941 933 15 be be VB 33941 933 16 very very RB 33941 933 17 firmly firmly RB 33941 933 18 secured secure VBN 33941 933 19 in in IN 33941 933 20 their -PRON- PRP$ 33941 933 21 places place NNS 33941 933 22 . . . 33941 934 1 Bring bring VB 33941 934 2 the the DT 33941 934 3 ruler ruler NN 33941 934 4 into into IN 33941 934 5 position position NN 33941 934 6 at at IN 33941 934 7 any any DT 33941 934 8 desired desire VBN 33941 934 9 part part NN 33941 934 10 of of IN 33941 934 11 the the DT 33941 934 12 tube tube NN 33941 934 13 by by IN 33941 934 14 placing place VBG 33941 934 15 the the DT 33941 934 16 points point NNS 33941 934 17 of of IN 33941 934 18 the the DT 33941 934 19 screws screw NNS 33941 934 20 ( ( -LRB- 33941 934 21 _ _ NNP 33941 934 22 GG GG NNP 33941 934 23 _ _ NNP 33941 934 24 ) ) -RRB- 33941 934 25 in in IN 33941 934 26 corresponding correspond VBG 33941 934 27 divisions division NNS 33941 934 28 of of IN 33941 934 29 the the DT 33941 934 30 scales scale NNS 33941 934 31 ( ( -LRB- 33941 934 32 _ _ NNP 33941 934 33 AA AA NNP 33941 934 34 _ _ NNP 33941 934 35 ) ) -RRB- 33941 934 36 . . . 33941 935 1 With with IN 33941 935 2 the the DT 33941 935 3 style style NN 33941 935 4 , , , 33941 935 5 which which WDT 33941 935 6 may may MD 33941 935 7 be be VB 33941 935 8 a a DT 33941 935 9 needle needle NN 33941 935 10 mounted mount VBN 33941 935 11 in in IN 33941 935 12 a a DT 33941 935 13 handle handle NN 33941 935 14 , , , 33941 935 15 make make VB 33941 935 16 a a DT 33941 935 17 scratch scratch NN 33941 935 18 in in IN 33941 935 19 the the DT 33941 935 20 wax wax NN 33941 935 21 along along IN 33941 935 22 the the DT 33941 935 23 edge edge NN 33941 935 24 of of IN 33941 935 25 the the DT 33941 935 26 ruler ruler NN 33941 935 27 at at IN 33941 935 28 _ _ NNP 33941 935 29 F F NNP 33941 935 30 _ _ NNP 33941 935 31 , , , 33941 935 32 move move VB 33941 935 33 the the DT 33941 935 34 ruler ruler NN 33941 935 35 so so IN 33941 935 36 that that IN 33941 935 37 the the DT 33941 935 38 screws screw NNS 33941 935 39 rest rest VBP 33941 935 40 in in IN 33941 935 41 the the DT 33941 935 42 next next JJ 33941 935 43 divisions division NNS 33941 935 44 , , , 33941 935 45 and and CC 33941 935 46 repeat repeat VB 33941 935 47 the the DT 33941 935 48 operation operation NN 33941 935 49 till till IN 33941 935 50 the the DT 33941 935 51 required required JJ 33941 935 52 number number NN 33941 935 53 of of IN 33941 935 54 lines line NNS 33941 935 55 has have VBZ 33941 935 56 been be VBN 33941 935 57 ruled rule VBN 33941 935 58 . . . 33941 936 1 Longer long JJR 33941 936 2 marks mark NNS 33941 936 3 may may MD 33941 936 4 be be VB 33941 936 5 made make VBN 33941 936 6 at at IN 33941 936 7 intervals interval NNS 33941 936 8 of of IN 33941 936 9 five five CD 33941 936 10 and and CC 33941 936 11 ten ten CD 33941 936 12 millimetres millimetre NNS 33941 936 13 . . . 33941 937 1 Great great JJ 33941 937 2 care care NN 33941 937 3 must must MD 33941 937 4 be be VB 33941 937 5 taken take VBN 33941 937 6 to to TO 33941 937 7 hold hold VB 33941 937 8 the the DT 33941 937 9 needle needle NN 33941 937 10 perpendicularly perpendicularly RB 33941 937 11 , , , 33941 937 12 and and CC 33941 937 13 to to TO 33941 937 14 press press VB 33941 937 15 it -PRON- PRP 33941 937 16 steadily steadily RB 33941 937 17 against against IN 33941 937 18 the the DT 33941 937 19 edge edge NN 33941 937 20 ( ( -LRB- 33941 937 21 _ _ NNP 33941 937 22 LL LL NNP 33941 937 23 _ _ NNP 33941 937 24 ) ) -RRB- 33941 937 25 of of IN 33941 937 26 the the DT 33941 937 27 ruler ruler NN 33941 937 28 in in IN 33941 937 29 scratching scratch VBG 33941 937 30 the the DT 33941 937 31 divisions division NNS 33941 937 32 . . . 33941 938 1 [ [ -LRB- 33941 938 2 19 19 CD 33941 938 3 ] ] -RRB- 33941 938 4 The the DT 33941 938 5 length length NN 33941 938 6 of of IN 33941 938 7 the the DT 33941 938 8 lines line NNS 33941 938 9 marking mark VBG 33941 938 10 the the DT 33941 938 11 millimetre millimetre NN 33941 938 12 divisions division NNS 33941 938 13 should should MD 33941 938 14 not not RB 33941 938 15 be be VB 33941 938 16 too too RB 33941 938 17 long long JJ 33941 938 18 ; ; : 33941 938 19 about about RB 33941 938 20 1 1 CD 33941 938 21 mm mm NNS 33941 938 22 . . . 33941 939 1 is be VBZ 33941 939 2 a a DT 33941 939 3 good good JJ 33941 939 4 length length NN 33941 939 5 . . . 33941 940 1 If if IN 33941 940 2 they -PRON- PRP 33941 940 3 are be VBP 33941 940 4 longer long JJR 33941 940 5 than than IN 33941 940 6 this this DT 33941 940 7 , , , 33941 940 8 the the DT 33941 940 9 _ _ NNP 33941 940 10 apparent apparent JJ 33941 940 11 _ _ NNP 33941 940 12 distance distance NN 33941 940 13 between between IN 33941 940 14 them -PRON- PRP 33941 940 15 is be VBZ 33941 940 16 diminished diminish VBN 33941 940 17 , , , 33941 940 18 and and CC 33941 940 19 it -PRON- PRP 33941 940 20 is be VBZ 33941 940 21 less less RBR 33941 940 22 easy easy JJ 33941 940 23 to to TO 33941 940 24 read read VB 33941 940 25 fractions fraction NNS 33941 940 26 of of IN 33941 940 27 millimetres millimetre NNS 33941 940 28 . . . 33941 941 1 Before before IN 33941 941 2 removing remove VBG 33941 941 3 the the DT 33941 941 4 scale scale NN 33941 941 5 to to TO 33941 941 6 etch etch VB 33941 941 7 the the DT 33941 941 8 glass glass NN 33941 941 9 , , , 33941 941 10 carefully carefully RB 33941 941 11 examine examine VBP 33941 941 12 it -PRON- PRP 33941 941 13 to to TO 33941 941 14 see see VB 33941 941 15 that that IN 33941 941 16 no no DT 33941 941 17 mistakes mistake NNS 33941 941 18 have have VBP 33941 941 19 been be VBN 33941 941 20 made make VBN 33941 941 21 . . . 33941 942 1 If if IN 33941 942 2 it -PRON- PRP 33941 942 3 is be VBZ 33941 942 4 found find VBN 33941 942 5 that that IN 33941 942 6 any any DT 33941 942 7 lines line NNS 33941 942 8 have have VBP 33941 942 9 been be VBN 33941 942 10 omitted omit VBN 33941 942 11 , , , 33941 942 12 or or CC 33941 942 13 that that IN 33941 942 14 long long JJ 33941 942 15 lines line NNS 33941 942 16 have have VBP 33941 942 17 been be VBN 33941 942 18 scratched scratch VBN 33941 942 19 in in IN 33941 942 20 the the DT 33941 942 21 place place NN 33941 942 22 of of IN 33941 942 23 short short JJ 33941 942 24 ones one NNS 33941 942 25 , , , 33941 942 26 remelt remelt VB 33941 942 27 the the DT 33941 942 28 wax wax NN 33941 942 29 by by IN 33941 942 30 means mean NNS 33941 942 31 of of IN 33941 942 32 a a DT 33941 942 33 heated heated JJ 33941 942 34 wire wire NN 33941 942 35 , , , 33941 942 36 and and CC 33941 942 37 make make VB 33941 942 38 new new JJ 33941 942 39 marks mark NNS 33941 942 40 . . . 33941 943 1 Finally finally RB 33941 943 2 , , , 33941 943 3 mark mark VB 33941 943 4 the the DT 33941 943 5 numbers number NNS 33941 943 6 on on IN 33941 943 7 the the DT 33941 943 8 scale scale NN 33941 943 9 with with IN 33941 943 10 a a DT 33941 943 11 needle needle NN 33941 943 12 - - HYPH 33941 943 13 point point NN 33941 943 14 , , , 33941 943 15 or or CC 33941 943 16 better well JJR 33941 943 17 , , , 33941 943 18 with with IN 33941 943 19 a a DT 33941 943 20 fine fine JJ 33941 943 21 steel steel NN 33941 943 22 pen pen NN 33941 943 23 . . . 33941 944 1 [ [ -LRB- 33941 944 2 19 19 CD 33941 944 3 ] ] -RRB- 33941 944 4 To to TO 33941 944 5 avoid avoid VB 33941 944 6 variations variation NNS 33941 944 7 of of IN 33941 944 8 the the DT 33941 944 9 position position NN 33941 944 10 in in IN 33941 944 11 which which WDT 33941 944 12 the the DT 33941 944 13 needle needle NN 33941 944 14 is be VBZ 33941 944 15 held hold VBN 33941 944 16 when when WRB 33941 944 17 marking mark VBG 33941 944 18 the the DT 33941 944 19 divisions division NNS 33941 944 20 , , , 33941 944 21 the the DT 33941 944 22 edge edge NN 33941 944 23 ( ( -LRB- 33941 944 24 _ _ NNP 33941 944 25 LL LL NNP 33941 944 26 _ _ NNP 33941 944 27 ) ) -RRB- 33941 944 28 should should MD 33941 944 29 not not RB 33941 944 30 be be VB 33941 944 31 bevelled bevel VBN 33941 944 32 ; ; : 33941 944 33 and and CC 33941 944 34 an an DT 33941 944 35 upright upright JJ 33941 944 36 support support NN 33941 944 37 may may MD 33941 944 38 be be VB 33941 944 39 placed place VBN 33941 944 40 upon upon IN 33941 944 41 the the DT 33941 944 42 ruler ruler NN 33941 944 43 , , , 33941 944 44 with with IN 33941 944 45 a a DT 33941 944 46 ring ring NN 33941 944 47 through through IN 33941 944 48 which which WDT 33941 944 49 the the DT 33941 944 50 handle handle NN 33941 944 51 of of IN 33941 944 52 the the DT 33941 944 53 needle needle NN 33941 944 54 passes pass VBZ 33941 944 55 , , , 33941 944 56 thereby thereby RB 33941 944 57 securing secure VBG 33941 944 58 that that IN 33941 944 59 the the DT 33941 944 60 angle angle NN 33941 944 61 formed form VBN 33941 944 62 by by IN 33941 944 63 the the DT 33941 944 64 needle needle NN 33941 944 65 and and CC 33941 944 66 surface surface NN 33941 944 67 of of IN 33941 944 68 the the DT 33941 944 69 ruler ruler NN 33941 944 70 is be VBZ 33941 944 71 constant constant JJ 33941 944 72 , , , 33941 944 73 and and CC 33941 944 74 that that IN 33941 944 75 equal equal JJ 33941 944 76 divisions division NNS 33941 944 77 are be VBP 33941 944 78 marked mark VBN 33941 944 79 . . . 33941 945 1 The the DT 33941 945 2 marks mark NNS 33941 945 3 on on IN 33941 945 4 the the DT 33941 945 5 wax wax NN 33941 945 6 should should MD 33941 945 7 cut cut VB 33941 945 8 through through IN 33941 945 9 it -PRON- PRP 33941 945 10 . . . 33941 946 1 When when WRB 33941 946 2 they -PRON- PRP 33941 946 3 are be VBP 33941 946 4 satisfactory satisfactory JJ 33941 946 5 , , , 33941 946 6 they -PRON- PRP 33941 946 7 may may MD 33941 946 8 be be VB 33941 946 9 etched etch VBN 33941 946 10 by by IN 33941 946 11 one one CD 33941 946 12 of of IN 33941 946 13 the the DT 33941 946 14 following follow VBG 33941 946 15 processes:-- processes:-- NN 33941 946 16 ( ( -LRB- 33941 946 17 1 1 CD 33941 946 18 . . . 33941 946 19 ) ) -RRB- 33941 947 1 By by IN 33941 947 2 moistening moisten VBG 33941 947 3 some some DT 33941 947 4 cotton cotton NN 33941 947 5 wool wool NN 33941 947 6 , , , 33941 947 7 tied tie VBN 33941 947 8 to to IN 33941 947 9 a a DT 33941 947 10 stick stick NN 33941 947 11 , , , 33941 947 12 with with IN 33941 947 13 solution solution NN 33941 947 14 of of IN 33941 947 15 hydrofluoric hydrofluoric NN 33941 947 16 acid acid NN 33941 947 17 , , , 33941 947 18 and and CC 33941 947 19 gently gently RB 33941 947 20 rubbing rub VBG 33941 947 21 this this DT 33941 947 22 over over IN 33941 947 23 the the DT 33941 947 24 scratched scratch VBN 33941 947 25 surface surface NN 33941 947 26 for for IN 33941 947 27 a a DT 33941 947 28 minute minute NN 33941 947 29 or or CC 33941 947 30 so so RB 33941 947 31 ; ; : 33941 947 32 then then RB 33941 947 33 washing wash VBG 33941 947 34 away away RB 33941 947 35 the the DT 33941 947 36 acid acid NN 33941 947 37 with with IN 33941 947 38 water water NN 33941 947 39 , , , 33941 947 40 and and CC 33941 947 41 cleaning clean VBG 33941 947 42 off off RP 33941 947 43 the the DT 33941 947 44 wax wax NN 33941 947 45 . . . 33941 948 1 This this DT 33941 948 2 is be VBZ 33941 948 3 the the DT 33941 948 4 simplest simple JJS 33941 948 5 method method NN 33941 948 6 , , , 33941 948 7 but but CC 33941 948 8 the the DT 33941 948 9 marks mark NNS 33941 948 10 made make VBN 33941 948 11 are be VBP 33941 948 12 generally generally RB 33941 948 13 transparent transparent JJ 33941 948 14 , , , 33941 948 15 and and CC 33941 948 16 therefore therefore RB 33941 948 17 not not RB 33941 948 18 very very RB 33941 948 19 easy easy JJ 33941 948 20 to to TO 33941 948 21 read read VB 33941 948 22 . . . 33941 949 1 The the DT 33941 949 2 simplicity simplicity NN 33941 949 3 of of IN 33941 949 4 this this DT 33941 949 5 method method NN 33941 949 6 is be VBZ 33941 949 7 a a DT 33941 949 8 great great JJ 33941 949 9 recommendation recommendation NN 33941 949 10 , , , 33941 949 11 however however RB 33941 949 12 . . . 33941 950 1 ( ( -LRB- 33941 950 2 2 2 CD 33941 950 3 . . . 33941 950 4 ) ) -RRB- 33941 951 1 Expose expose VB 33941 951 2 the the DT 33941 951 3 tube tube NN 33941 951 4 to to IN 33941 951 5 the the DT 33941 951 6 fumes fume NNS 33941 951 7 of of IN 33941 951 8 hydrofluoric hydrofluoric JJ 33941 951 9 acid acid NN 33941 951 10 generated generate VBN 33941 951 11 from from IN 33941 951 12 a a DT 33941 951 13 mixture mixture NN 33941 951 14 of of IN 33941 951 15 powdered powdered JJ 33941 951 16 fluor fluor NN 33941 951 17 - - HYPH 33941 951 18 spar spar NN 33941 951 19 and and CC 33941 951 20 strong strong JJ 33941 951 21 sulphuric sulphuric JJ 33941 951 22 acid acid NN 33941 951 23 , , , 33941 951 24 in in IN 33941 951 25 a a DT 33941 951 26 leaden leaden JJ 33941 951 27 trough trough NN 33941 951 28 . . . 33941 952 1 The the DT 33941 952 2 marks mark NNS 33941 952 3 produced produce VBN 33941 952 4 in in IN 33941 952 5 this this DT 33941 952 6 way way NN 33941 952 7 are be VBP 33941 952 8 usually usually RB 33941 952 9 opaque opaque JJ 33941 952 10 , , , 33941 952 11 and and CC 33941 952 12 are be VBP 33941 952 13 therefore therefore RB 33941 952 14 very very RB 33941 952 15 visible visible JJ 33941 952 16 , , , 33941 952 17 and and CC 33941 952 18 easily easily RB 33941 952 19 read read VB 33941 952 20 . . . 33941 953 1 After after IN 33941 953 2 the the DT 33941 953 3 above above IN 33941 953 4 detailed detailed JJ 33941 953 5 account account NN 33941 953 6 it -PRON- PRP 33941 953 7 will will MD 33941 953 8 only only RB 33941 953 9 be be VB 33941 953 10 necessary necessary JJ 33941 953 11 to to TO 33941 953 12 give give VB 33941 953 13 an an DT 33941 953 14 outline outline NN 33941 953 15 of of IN 33941 953 16 the the DT 33941 953 17 other other JJ 33941 953 18 process process NN 33941 953 19 of of IN 33941 953 20 graduating graduate VBG 33941 953 21 tubes tube NNS 33941 953 22 . . . 33941 954 1 [ [ -LRB- 33941 954 2 Illustration illustration NN 33941 954 3 : : : 33941 954 4 FIG FIG NNP 33941 954 5 . . . 33941 955 1 39 39 CD 33941 955 2 . . . 33941 955 3 ] ] -RRB- 33941 956 1 The the DT 33941 956 2 standard standard JJ 33941 956 3 scale scale NN 33941 956 4 to to TO 33941 956 5 be be VB 33941 956 6 copied copy VBN 33941 956 7 , , , 33941 956 8 _ _ NNP 33941 956 9 A A NNP 33941 956 10 _ _ NNP 33941 956 11 , , , 33941 956 12 which which WDT 33941 956 13 may may MD 33941 956 14 in in IN 33941 956 15 this this DT 33941 956 16 case case NN 33941 956 17 be be VB 33941 956 18 another another DT 33941 956 19 graduated graduate VBN 33941 956 20 tube tube NN 33941 956 21 , , , 33941 956 22 or or CC 33941 956 23 even even RB 33941 956 24 a a DT 33941 956 25 paper paper NN 33941 956 26 scale scale NN 33941 956 27 , , , 33941 956 28 and and CC 33941 956 29 the the DT 33941 956 30 object object NN 33941 956 31 to to TO 33941 956 32 be be VB 33941 956 33 ruled rule VBN 33941 956 34 , , , 33941 956 35 _ _ NNP 33941 956 36 B B NNP 33941 956 37 _ _ NNP 33941 956 38 , , , 33941 956 39 are be VBP 33941 956 40 securely securely RB 33941 956 41 fixed fix VBN 33941 956 42 , , , 33941 956 43 end end VB 33941 956 44 to to IN 33941 956 45 end end NN 33941 956 46 , , , 33941 956 47 a a DT 33941 956 48 little little JJ 33941 956 49 distance distance NN 33941 956 50 apart apart RB 33941 956 51 , , , 33941 956 52 in in IN 33941 956 53 a a DT 33941 956 54 groove groove NN 33941 956 55 made make VBN 33941 956 56 in in IN 33941 956 57 a a DT 33941 956 58 board board NN 33941 956 59 or or CC 33941 956 60 in in IN 33941 956 61 the the DT 33941 956 62 top top NN 33941 956 63 of of IN 33941 956 64 a a DT 33941 956 65 table table NN 33941 956 66 . . . 33941 957 1 A a DT 33941 957 2 stiff stiff JJ 33941 957 3 bar bar NN 33941 957 4 of of IN 33941 957 5 wood wood NN 33941 957 6 , , , 33941 957 7 _ _ NNP 33941 957 8 C C NNP 33941 957 9 _ _ NNP 33941 957 10 , , , 33941 957 11 has have VBZ 33941 957 12 a a DT 33941 957 13 point point NN 33941 957 14 fixed fix VBN 33941 957 15 at at IN 33941 957 16 _ _ NNP 33941 957 17 D D NNP 33941 957 18 _ _ NNP 33941 957 19 , , , 33941 957 20 and and CC 33941 957 21 a a DT 33941 957 22 knife knife NN 33941 957 23 edge edge NN 33941 957 24 at at IN 33941 957 25 _ _ NNP 33941 957 26 E E NNP 33941 957 27 _ _ NNP 33941 957 28 , , , 33941 957 29 _ _ NNP 33941 957 30 D D NNP 33941 957 31 _ _ NNP 33941 957 32 is be VBZ 33941 957 33 placed place VBN 33941 957 34 in in IN 33941 957 35 any any DT 33941 957 36 division division NN 33941 957 37 of of IN 33941 957 38 _ _ NNP 33941 957 39 A A NNP 33941 957 40 _ _ NNP 33941 957 41 , , , 33941 957 42 _ _ NNP 33941 957 43 C C NNP 33941 957 44 _ _ NNP 33941 957 45 is be VBZ 33941 957 46 held hold VBN 33941 957 47 firmly firmly RB 33941 957 48 at at IN 33941 957 49 _ _ NNP 33941 957 50 E E NNP 33941 957 51 _ _ NNP 33941 957 52 and and CC 33941 957 53 _ _ NNP 33941 957 54 D D NNP 33941 957 55 _ _ NNP 33941 957 56 , , , 33941 957 57 and and CC 33941 957 58 a a DT 33941 957 59 cut cut NN 33941 957 60 is be VBZ 33941 957 61 made make VBN 33941 957 62 by by IN 33941 957 63 the the DT 33941 957 64 knife knife NN 33941 957 65 through through IN 33941 957 66 the the DT 33941 957 67 wax wax NN 33941 957 68 on on IN 33941 957 69 _ _ NNP 33941 957 70 B B NNP 33941 957 71 _ _ NNP 33941 957 72 , , , 33941 957 73 the the DT 33941 957 74 point point NN 33941 957 75 _ _ NNP 33941 957 76 D D NNP 33941 957 77 _ _ NNP 33941 957 78 is be VBZ 33941 957 79 then then RB 33941 957 80 moved move VBN 33941 957 81 into into IN 33941 957 82 the the DT 33941 957 83 next next JJ 33941 957 84 division division NN 33941 957 85 , , , 33941 957 86 and and CC 33941 957 87 the the DT 33941 957 88 operation operation NN 33941 957 89 is be VBZ 33941 957 90 repeated repeat VBN 33941 957 91 . . . 33941 958 1 To to TO 33941 958 2 regulate regulate VB 33941 958 3 the the DT 33941 958 4 length length NN 33941 958 5 and and CC 33941 958 6 position position NN 33941 958 7 of of IN 33941 958 8 the the DT 33941 958 9 cuts cut NNS 33941 958 10 , , , 33941 958 11 _ _ NNP 33941 958 12 B B NNP 33941 958 13 _ _ NNP 33941 958 14 is be VBZ 33941 958 15 usually usually RB 33941 958 16 held hold VBN 33941 958 17 in in IN 33941 958 18 position position NN 33941 958 19 by by IN 33941 958 20 two two CD 33941 958 21 sheets sheet NNS 33941 958 22 of of IN 33941 958 23 brass brass NN 33941 958 24 projecting project VBG 33941 958 25 over over IN 33941 958 26 the the DT 33941 958 27 edges edge NNS 33941 958 28 of of IN 33941 958 29 the the DT 33941 958 30 groove groove NN 33941 958 31 in in IN 33941 958 32 which which WDT 33941 958 33 it -PRON- PRP 33941 958 34 lies lie VBZ 33941 958 35 ; ; : 33941 958 36 the the DT 33941 958 37 metal metal NN 33941 958 38 sheets sheet NNS 33941 958 39 have have VBP 33941 958 40 notches notch NNS 33941 958 41 cut cut VBN 33941 958 42 into into IN 33941 958 43 them -PRON- PRP 33941 958 44 at at IN 33941 958 45 the the DT 33941 958 46 intervals interval NNS 33941 958 47 at at IN 33941 958 48 which which WDT 33941 958 49 longer long JJR 33941 958 50 marks mark NNS 33941 958 51 are be VBP 33941 958 52 to to TO 33941 958 53 be be VB 33941 958 54 made make VBN 33941 958 55 . . . 33941 959 1 When when WRB 33941 959 2 the the DT 33941 959 3 scale scale NN 33941 959 4 is be VBZ 33941 959 5 completed complete VBN 33941 959 6 , , , 33941 959 7 the the DT 33941 959 8 equality equality NN 33941 959 9 of of IN 33941 959 10 the the DT 33941 959 11 divisions division NNS 33941 959 12 in in IN 33941 959 13 various various JJ 33941 959 14 parts part NNS 33941 959 15 of of IN 33941 959 16 it -PRON- PRP 33941 959 17 may may MD 33941 959 18 be be VB 33941 959 19 , , , 33941 959 20 to to IN 33941 959 21 some some DT 33941 959 22 extent extent NN 33941 959 23 , , , 33941 959 24 verified verify VBN 33941 959 25 as as IN 33941 959 26 follows:--Adjust follows:--adjust RB 33941 959 27 a a DT 33941 959 28 compass compass NN 33941 959 29 so so IN 33941 959 30 that that IN 33941 959 31 its -PRON- PRP$ 33941 959 32 points point NNS 33941 959 33 fall fall VBP 33941 959 34 into into IN 33941 959 35 two two CD 33941 959 36 divisions division NNS 33941 959 37 5 5 CD 33941 959 38 , , , 33941 959 39 10 10 CD 33941 959 40 , , , 33941 959 41 or or CC 33941 959 42 20 20 CD 33941 959 43 mm mm CD 33941 959 44 . . . 33941 960 1 apart apart RB 33941 960 2 . . . 33941 961 1 Then then RB 33941 961 2 apply apply VB 33941 961 3 the the DT 33941 961 4 points point NNS 33941 961 5 of of IN 33941 961 6 the the DT 33941 961 7 compass compass NN 33941 961 8 to to IN 33941 961 9 various various JJ 33941 961 10 parts part NNS 33941 961 11 of of IN 33941 961 12 the the DT 33941 961 13 scale scale NN 33941 961 14 . . . 33941 962 1 In in IN 33941 962 2 every every DT 33941 962 3 part part NN 33941 962 4 the the DT 33941 962 5 length length NN 33941 962 6 of of IN 33941 962 7 a a DT 33941 962 8 given give VBN 33941 962 9 number number NN 33941 962 10 of of IN 33941 962 11 divisions division NNS 33941 962 12 should should MD 33941 962 13 be be VB 33941 962 14 exactly exactly RB 33941 962 15 the the DT 33941 962 16 same same JJ 33941 962 17 . . . 33941 963 1 The the DT 33941 963 2 individual individual JJ 33941 963 3 divisions division NNS 33941 963 4 should should MD 33941 963 5 also also RB 33941 963 6 be be VB 33941 963 7 carefully carefully RB 33941 963 8 inspected inspect VBN 33941 963 9 by by IN 33941 963 10 the the DT 33941 963 11 eye eye NN 33941 963 12 ; ; : 33941 963 13 they -PRON- PRP 33941 963 14 should should MD 33941 963 15 be be VB 33941 963 16 sensibly sensibly RB 33941 963 17 equal equal JJ 33941 963 18 . . . 33941 964 1 If if IN 33941 964 2 badly badly RB 33941 964 3 ruled rule VBN 33941 964 4 , , , 33941 964 5 long long JJ 33941 964 6 and and CC 33941 964 7 short short JJ 33941 964 8 divisions division NNS 33941 964 9 will will MD 33941 964 10 be be VB 33941 964 11 found find VBN 33941 964 12 on on IN 33941 964 13 the the DT 33941 964 14 scale scale NN 33941 964 15 . . . 33941 965 1 Very very RB 33941 965 2 often often RB 33941 965 3 a a DT 33941 965 4 long long JJ 33941 965 5 and and CC 33941 965 6 a a DT 33941 965 7 short short JJ 33941 965 8 division division NN 33941 965 9 will will MD 33941 965 10 be be VB 33941 965 11 adjacent adjacent JJ 33941 965 12 , , , 33941 965 13 and and CC 33941 965 14 will will MD 33941 965 15 be be VB 33941 965 16 the the DT 33941 965 17 more more RBR 33941 965 18 easily easily RB 33941 965 19 observed observe VBN 33941 965 20 in in IN 33941 965 21 consequence consequence NN 33941 965 22 . . . 33941 966 1 = = VBZ 33941 966 2 To to TO 33941 966 3 Divide divide VB 33941 966 4 a a DT 33941 966 5 Given give VBN 33941 966 6 Line line NN 33941 966 7 into into IN 33941 966 8 Equal Equal NNP 33941 966 9 Parts.=--Occasionally Parts.=--Occasionally . 33941 966 10 it -PRON- PRP 33941 966 11 is be VBZ 33941 966 12 necessary necessary JJ 33941 966 13 to to TO 33941 966 14 divide divide VB 33941 966 15 a a DT 33941 966 16 line line NN 33941 966 17 of of IN 33941 966 18 given give VBN 33941 966 19 length length NN 33941 966 20 into into IN 33941 966 21 _ _ NNP 33941 966 22 x x NNP 33941 966 23 _ _ NNP 33941 966 24 equal equal JJ 33941 966 25 parts part NNS 33941 966 26 . . . 33941 967 1 For for IN 33941 967 2 instance instance NN 33941 967 3 , , , 33941 967 4 to to TO 33941 967 5 divide divide VB 33941 967 6 the the DT 33941 967 7 stem stem NN 33941 967 8 of of IN 33941 967 9 a a DT 33941 967 10 thermometer thermometer NN 33941 967 11 from from IN 33941 967 12 the the DT 33941 967 13 freezing freezing NN 33941 967 14 - - HYPH 33941 967 15 point point NN 33941 967 16 to to IN 33941 967 17 the the DT 33941 967 18 boiling boiling NN 33941 967 19 - - HYPH 33941 967 20 point point NN 33941 967 21 into into IN 33941 967 22 one one CD 33941 967 23 hundred hundred CD 33941 967 24 degrees degree NNS 33941 967 25 . . . 33941 968 1 The the DT 33941 968 2 following follow VBG 33941 968 3 outline outline NN 33941 968 4 will will MD 33941 968 5 explain explain VB 33941 968 6 how how WRB 33941 968 7 a a DT 33941 968 8 line line NN 33941 968 9 may may MD 33941 968 10 be be VB 33941 968 11 so so RB 33941 968 12 divided divided JJ 33941 968 13 . . . 33941 969 1 Suppose suppose VB 33941 969 2 the the DT 33941 969 3 line line NN 33941 969 4 _ _ NNP 33941 969 5 AB AB NNP 33941 969 6 _ _ NNP 33941 969 7 ( ( -LRB- 33941 969 8 Fig Fig NNP 33941 969 9 . . . 33941 970 1 40 40 LS 33941 970 2 ) ) -RRB- 33941 970 3 is be VBZ 33941 970 4 to to TO 33941 970 5 be be VB 33941 970 6 divided divide VBN 33941 970 7 into into IN 33941 970 8 nine nine CD 33941 970 9 equal equal JJ 33941 970 10 parts part NNS 33941 970 11 . . . 33941 971 1 Adjust adjust VB 33941 971 2 a a DT 33941 971 3 hinged hinged JJ 33941 971 4 rule rule NN 33941 971 5 so so IN 33941 971 6 that that IN 33941 971 7 the the DT 33941 971 8 points point NNS 33941 971 9 _ _ NNP 33941 971 10 A A NNP 33941 971 11 _ _ NNP 33941 971 12 and and CC 33941 971 13 _ _ NNP 33941 971 14 B B NNP 33941 971 15 _ _ NNP 33941 971 16 coincide coincide NN 33941 971 17 with with IN 33941 971 18 the the DT 33941 971 19 inside inside JJ 33941 971 20 edges edge NNS 33941 971 21 of of IN 33941 971 22 the the DT 33941 971 23 limbs limb NNS 33941 971 24 , , , 33941 971 25 one one CD 33941 971 26 of of IN 33941 971 27 them -PRON- PRP 33941 971 28 , , , 33941 971 29 _ _ NNP 33941 971 30 A A NNP 33941 971 31 _ _ NNP 33941 971 32 , , , 33941 971 33 being be VBG 33941 971 34 at at IN 33941 971 35 the the DT 33941 971 36 ninth ninth JJ 33941 971 37 division division NN 33941 971 38 ( ( -LRB- 33941 971 39 _ _ NNP 33941 971 40 e.g. e.g. RB 33941 971 41 _ _ NNP 33941 971 42 the the DT 33941 971 43 ninth ninth JJ 33941 971 44 inch inch NN 33941 971 45 ) ) -RRB- 33941 971 46 of of IN 33941 971 47 _ _ NNP 33941 971 48 CE CE NNP 33941 971 49 _ _ NNP 33941 971 50 . . . 33941 972 1 Then then RB 33941 972 2 if if IN 33941 972 3 lines line NNS 33941 972 4 parallel parallel VBP 33941 972 5 to to IN 33941 972 6 _ _ NNP 33941 972 7 ED ED NNP 33941 972 8 _ _ NNP 33941 972 9 be be VB 33941 972 10 drawn draw VBN 33941 972 11 from from IN 33941 972 12 each each DT 33941 972 13 division division NN 33941 972 14 of of IN 33941 972 15 the the DT 33941 972 16 scale scale NN 33941 972 17 to to TO 33941 972 18 meet meet VB 33941 972 19 _ _ NNP 33941 972 20 AB AB NNP 33941 972 21 _ _ NNP 33941 972 22 , , , 33941 972 23 _ _ NNP 33941 972 24 AB AB NNP 33941 972 25 _ _ NNP 33941 972 26 will will MD 33941 972 27 be be VB 33941 972 28 divided divide VBN 33941 972 29 into into IN 33941 972 30 nine nine CD 33941 972 31 equal equal JJ 33941 972 32 parts part NNS 33941 972 33 . . . 33941 973 1 [ [ -LRB- 33941 973 2 Illustration illustration NN 33941 973 3 : : : 33941 973 4 FIG FIG NNP 33941 973 5 . . . 33941 974 1 40 40 CD 33941 974 2 . . . 33941 974 3 ] ] -RRB- 33941 975 1 A a DT 33941 975 2 very very RB 33941 975 3 convenient convenient JJ 33941 975 4 and and CC 33941 975 5 simple simple JJ 33941 975 6 arrangement arrangement NN 33941 975 7 on on IN 33941 975 8 this this DT 33941 975 9 principle principle NN 33941 975 10 for for IN 33941 975 11 dividing divide VBG 33941 975 12 a a DT 33941 975 13 line line NN 33941 975 14 into into IN 33941 975 15 any any DT 33941 975 16 number number NN 33941 975 17 of of IN 33941 975 18 equal equal JJ 33941 975 19 parts part NNS 33941 975 20 with with IN 33941 975 21 considerable considerable JJ 33941 975 22 accuracy accuracy NN 33941 975 23 , , , 33941 975 24 is be VBZ 33941 975 25 described describe VBN 33941 975 26 by by IN 33941 975 27 Miss Miss NNP 33941 975 28 S. S. NNP 33941 975 29 Marks Marks NNP 33941 975 30 in in IN 33941 975 31 the the DT 33941 975 32 _ _ NNP 33941 975 33 Proceedings Proceedings NNP 33941 975 34 of of IN 33941 975 35 the the DT 33941 975 36 Physical Physical NNP 33941 975 37 Society Society NNP 33941 975 38 _ _ NNP 33941 975 39 , , , 33941 975 40 July July NNP 33941 975 41 1885 1885 CD 33941 975 42 . . . 33941 976 1 [ [ -LRB- 33941 976 2 20 20 CD 33941 976 3 ] ] -RRB- 33941 976 4 One one CD 33941 976 5 limb limb NN 33941 976 6 of of IN 33941 976 7 a a DT 33941 976 8 hinged hinge VBN 33941 976 9 rule rule NN 33941 976 10 _ _ NNP 33941 976 11 D D NNP 33941 976 12 _ _ NNP 33941 976 13 is be VBZ 33941 976 14 made make VBN 33941 976 15 to to TO 33941 976 16 slide slide VB 33941 976 17 upon upon IN 33941 976 18 a a DT 33941 976 19 plain plain JJ 33941 976 20 rule rule NN 33941 976 21 fixed fix VBN 33941 976 22 to to IN 33941 976 23 it -PRON- PRP 33941 976 24 ; ; : 33941 976 25 the the DT 33941 976 26 plain plain JJ 33941 976 27 rule rule NN 33941 976 28 carries carry VBZ 33941 976 29 needles needle NNS 33941 976 30 on on IN 33941 976 31 its -PRON- PRP$ 33941 976 32 under under JJ 33941 976 33 surface surface NN 33941 976 34 which which WDT 33941 976 35 hold hold VBP 33941 976 36 the the DT 33941 976 37 paper paper NN 33941 976 38 in in IN 33941 976 39 position position NN 33941 976 40 . . . 33941 977 1 The the DT 33941 977 2 position position NN 33941 977 3 of of IN 33941 977 4 the the DT 33941 977 5 divided divide VBN 33941 977 6 rule rule NN 33941 977 7 and and CC 33941 977 8 line line NN 33941 977 9 to to TO 33941 977 10 be be VB 33941 977 11 divided divide VBN 33941 977 12 being be VBG 33941 977 13 adjusted adjust VBN 33941 977 14 , , , 33941 977 15 the the DT 33941 977 16 hinged hinged JJ 33941 977 17 rule rule NN 33941 977 18 is be VBZ 33941 977 19 gently gently RB 33941 977 20 pushed push VBN 33941 977 21 forwards forwards RB 33941 977 22 , , , 33941 977 23 as as IN 33941 977 24 indicated indicate VBN 33941 977 25 by by IN 33941 977 26 the the DT 33941 977 27 arrow arrow NN 33941 977 28 in in IN 33941 977 29 Fig Fig NNP 33941 977 30 . . . 33941 978 1 40 40 CD 33941 978 2 , , , 33941 978 3 till till IN 33941 978 4 division division NN 33941 978 5 eight eight CD 33941 978 6 coincides coincide NNS 33941 978 7 with with IN 33941 978 8 the the DT 33941 978 9 line line NN 33941 978 10 _ _ NNP 33941 978 11 AB AB NNP 33941 978 12 _ _ NNP 33941 978 13 . . . 33941 979 1 A a DT 33941 979 2 mark mark NN 33941 979 3 is be VBZ 33941 979 4 made make VBN 33941 979 5 at at IN 33941 979 6 the the DT 33941 979 7 point point NN 33941 979 8 of of IN 33941 979 9 coincidence coincidence NN 33941 979 10 , , , 33941 979 11 and and CC 33941 979 12 division division NN 33941 979 13 seven seven CD 33941 979 14 on on IN 33941 979 15 the the DT 33941 979 16 scale scale NN 33941 979 17 is be VBZ 33941 979 18 similarly similarly RB 33941 979 19 brought bring VBN 33941 979 20 to to IN 33941 979 21 the the DT 33941 979 22 line line NN 33941 979 23 _ _ NNP 33941 979 24 AB AB NNP 33941 979 25 _ _ NNP 33941 979 26 , , , 33941 979 27 and and CC 33941 979 28 so so RB 33941 979 29 on on RB 33941 979 30 . . . 33941 980 1 The the DT 33941 980 2 inner inner JJ 33941 980 3 edge edge NN 33941 980 4 of of IN 33941 980 5 _ _ NNP 33941 980 6 EC EC NNP 33941 980 7 _ _ NNP 33941 980 8 should should MD 33941 980 9 have have VB 33941 980 10 the the DT 33941 980 11 divisions division NNS 33941 980 12 marked mark VBN 33941 980 13 upon upon IN 33941 980 14 it -PRON- PRP 33941 980 15 , , , 33941 980 16 that that IN 33941 980 17 their -PRON- PRP$ 33941 980 18 coincidence coincidence NN 33941 980 19 with with IN 33941 980 20 _ _ NNP 33941 980 21 AB AB NNP 33941 980 22 _ _ NNP 33941 980 23 maybe maybe RB 33941 980 24 more more RBR 33941 980 25 accurately accurately RB 33941 980 26 noted note VBN 33941 980 27 . . . 33941 981 1 The the DT 33941 981 2 joint joint JJ 33941 981 3 _ _ NNP 33941 981 4 E E NNP 33941 981 5 _ _ NNP 33941 981 6 must must MD 33941 981 7 be be VB 33941 981 8 a a DT 33941 981 9 very very RB 33941 981 10 stiff stiff JJ 33941 981 11 one one NN 33941 981 12 . . . 33941 982 1 [ [ -LRB- 33941 982 2 20 20 CD 33941 982 3 ] ] -RRB- 33941 982 4 Since since IN 33941 982 5 this this DT 33941 982 6 was be VBD 33941 982 7 printed print VBN 33941 982 8 I -PRON- PRP 33941 982 9 have have VBP 33941 982 10 observed observe VBN 33941 982 11 that that IN 33941 982 12 the the DT 33941 982 13 above above JJ 33941 982 14 method method NN 33941 982 15 is be VBZ 33941 982 16 not not RB 33941 982 17 identical identical JJ 33941 982 18 with with IN 33941 982 19 that that DT 33941 982 20 described describe VBN 33941 982 21 by by IN 33941 982 22 Miss Miss NNP 33941 982 23 Marks Marks NNP 33941 982 24 , , , 33941 982 25 but but CC 33941 982 26 for for IN 33941 982 27 ordinary ordinary JJ 33941 982 28 purposes purpose NNS 33941 982 29 I -PRON- PRP 33941 982 30 do do VBP 33941 982 31 not not RB 33941 982 32 think think VB 33941 982 33 it -PRON- PRP 33941 982 34 will will MD 33941 982 35 be be VB 33941 982 36 found find VBN 33941 982 37 to to TO 33941 982 38 be be VB 33941 982 39 inferior inferior JJ 33941 982 40 . . . 33941 983 1 A a DT 33941 983 2 line line NN 33941 983 3 drawn draw VBN 33941 983 4 of of IN 33941 983 5 given give VBN 33941 983 6 length length NN 33941 983 7 or or CC 33941 983 8 a a DT 33941 983 9 piece piece NN 33941 983 10 of of IN 33941 983 11 paper paper NN 33941 983 12 may may MD 33941 983 13 be be VB 33941 983 14 divided divide VBN 33941 983 15 into into IN 33941 983 16 any any DT 33941 983 17 given give VBN 33941 983 18 number number NN 33941 983 19 of of IN 33941 983 20 equal equal JJ 33941 983 21 parts part NNS 33941 983 22 , , , 33941 983 23 and and CC 33941 983 24 will will MD 33941 983 25 then then RB 33941 983 26 serve serve VB 33941 983 27 as as IN 33941 983 28 the the DT 33941 983 29 scale scale NN 33941 983 30 _ _ NNP 33941 983 31 A A NNP 33941 983 32 _ _ NNP 33941 983 33 of of IN 33941 983 34 Fig Fig NNP 33941 983 35 . . . 33941 984 1 39 39 CD 33941 984 2 , , , 33941 984 3 p. p. NN 33941 984 4 74 74 CD 33941 984 5 , , , 33941 984 6 the the DT 33941 984 7 thermometer thermometer NN 33941 984 8 or or CC 33941 984 9 other other JJ 33941 984 10 object object NN 33941 984 11 to to TO 33941 984 12 be be VB 33941 984 13 graduated graduate VBN 33941 984 14 taking take VBG 33941 984 15 the the DT 33941 984 16 place place NN 33941 984 17 of of IN 33941 984 18 _ _ NNP 33941 984 19 B B NNP 33941 984 20 _ _ NNP 33941 984 21 . . . 33941 985 1 Scales scale NNS 33941 985 2 carefully carefully RB 33941 985 3 divided divide VBD 33941 985 4 according accord VBG 33941 985 5 to to IN 33941 985 6 any any DT 33941 985 7 of of IN 33941 985 8 the the DT 33941 985 9 methods method NNS 33941 985 10 described describe VBN 33941 985 11 will will MD 33941 985 12 be be VB 33941 985 13 fairly fairly RB 33941 985 14 accurate accurate JJ 33941 985 15 _ _ NNP 33941 985 16 if if IN 33941 985 17 trustworthy trustworthy JJ 33941 985 18 instruments instrument NNS 33941 985 19 have have VBP 33941 985 20 been be VBN 33941 985 21 employed employ VBN 33941 985 22 as as IN 33941 985 23 standards standard NNS 33941 985 24 _ _ NNP 33941 985 25 . . . 33941 986 1 It -PRON- PRP 33941 986 2 will will MD 33941 986 3 be be VB 33941 986 4 found find VBN 33941 986 5 possible possible JJ 33941 986 6 when when WRB 33941 986 7 observing observe VBG 33941 986 8 the the DT 33941 986 9 volume volume NN 33941 986 10 of of IN 33941 986 11 a a DT 33941 986 12 gas gas NN 33941 986 13 over over IN 33941 986 14 mercury mercury NN 33941 986 15 , , , 33941 986 16 or or CC 33941 986 17 the the DT 33941 986 18 height height NN 33941 986 19 of of IN 33941 986 20 a a DT 33941 986 21 column column NN 33941 986 22 of of IN 33941 986 23 mercury mercury NN 33941 986 24 in in IN 33941 986 25 a a DT 33941 986 26 tube tube NN 33941 986 27 , , , 33941 986 28 to to TO 33941 986 29 measure measure VB 33941 986 30 differences difference NNS 33941 986 31 of of IN 33941 986 32 one one CD 33941 986 33 - - HYPH 33941 986 34 sixth sixth RB 33941 986 35 to to IN 33941 986 36 one one CD 33941 986 37 - - HYPH 33941 986 38 eighth eighth NN 33941 986 39 of of IN 33941 986 40 a a DT 33941 986 41 millimetre millimetre NN 33941 986 42 with with IN 33941 986 43 a a DT 33941 986 44 considerable considerable JJ 33941 986 45 degree degree NN 33941 986 46 of of IN 33941 986 47 accuracy accuracy NN 33941 986 48 . . . 33941 987 1 To to TO 33941 987 2 obtain obtain VB 33941 987 3 more more RBR 33941 987 4 delicate delicate JJ 33941 987 5 measurements measurement NNS 33941 987 6 a a DT 33941 987 7 vernier[21 vernier[21 NN 33941 987 8 ] ] -RRB- 33941 987 9 must must MD 33941 987 10 be be VB 33941 987 11 employed employ VBN 33941 987 12 . . . 33941 988 1 [ [ -LRB- 33941 988 2 21 21 CD 33941 988 3 ] ] -RRB- 33941 988 4 For for IN 33941 988 5 the the DT 33941 988 6 nature nature NN 33941 988 7 and and CC 33941 988 8 use use NN 33941 988 9 of of IN 33941 988 10 the the DT 33941 988 11 vernier vernier NN 33941 988 12 , , , 33941 988 13 a a DT 33941 988 14 treatise treatise NN 33941 988 15 on on IN 33941 988 16 Physics Physics NNP 33941 988 17 or or CC 33941 988 18 Physical Physical NNP 33941 988 19 Measurements Measurements NNPS 33941 988 20 may may MD 33941 988 21 be be VB 33941 988 22 consulted consult VBN 33941 988 23 . . . 33941 989 1 = = NFP 33941 989 2 To to IN 33941 989 3 Calibrate Calibrate NNP 33941 989 4 Apparatus.=--The apparatus.=--the DT 33941 989 5 glass glass NN 33941 989 6 tubes tube NNS 33941 989 7 of of IN 33941 989 8 which which WDT 33941 989 9 graduated graduate VBN 33941 989 10 apparatus apparatus NN 33941 989 11 is be VBZ 33941 989 12 made make VBN 33941 989 13 are be VBP 33941 989 14 , , , 33941 989 15 as as IN 33941 989 16 already already RB 33941 989 17 stated state VBN 33941 989 18 , , , 33941 989 19 very very RB 33941 989 20 rarely rarely RB 33941 989 21 truly truly RB 33941 989 22 cylindrical cylindrical JJ 33941 989 23 throughout throughout IN 33941 989 24 their -PRON- PRP$ 33941 989 25 entire entire JJ 33941 989 26 lengths length NNS 33941 989 27 . . . 33941 990 1 It -PRON- PRP 33941 990 2 follows follow VBZ 33941 990 3 that that IN 33941 990 4 the the DT 33941 990 5 capacities capacity NNS 33941 990 6 of of IN 33941 990 7 equal equal JJ 33941 990 8 lengths length NNS 33941 990 9 of of IN 33941 990 10 a a DT 33941 990 11 tube tube NN 33941 990 12 will will MD 33941 990 13 usually usually RB 33941 990 14 be be VB 33941 990 15 unequal unequal JJ 33941 990 16 , , , 33941 990 17 and and CC 33941 990 18 therefore therefore RB 33941 990 19 it -PRON- PRP 33941 990 20 is be VBZ 33941 990 21 necessary necessary JJ 33941 990 22 to to TO 33941 990 23 ascertain ascertain VB 33941 990 24 by by IN 33941 990 25 experiment experiment NN 33941 990 26 the the DT 33941 990 27 true true JJ 33941 990 28 values value NNS 33941 990 29 of of IN 33941 990 30 equal equal JJ 33941 990 31 linear linear JJ 33941 990 32 divisions division NNS 33941 990 33 of of IN 33941 990 34 a a DT 33941 990 35 tube tube NN 33941 990 36 at at IN 33941 990 37 various various JJ 33941 990 38 parts part NNS 33941 990 39 of of IN 33941 990 40 it -PRON- PRP 33941 990 41 . . . 33941 991 1 A a DT 33941 991 2 burette burette NN 33941 991 3 may may MD 33941 991 4 be be VB 33941 991 5 calibrated calibrate VBN 33941 991 6 by by IN 33941 991 7 filling fill VBG 33941 991 8 it -PRON- PRP 33941 991 9 with with IN 33941 991 10 distilled distilled JJ 33941 991 11 water water NN 33941 991 12 , , , 33941 991 13 drawing draw VBG 33941 991 14 off off RP 33941 991 15 portions portion NNS 33941 991 16 , , , 33941 991 17 say say VBP 33941 991 18 of of IN 33941 991 19 5 5 CD 33941 991 20 c.c c.c NNP 33941 991 21 . . . 33941 992 1 in in IN 33941 992 2 succession succession NN 33941 992 3 , , , 33941 992 4 into into IN 33941 992 5 a a DT 33941 992 6 weighing weigh VBG 33941 992 7 bottle bottle NN 33941 992 8 of of IN 33941 992 9 known know VBN 33941 992 10 weight weight NN 33941 992 11 , , , 33941 992 12 and and CC 33941 992 13 weighing weigh VBG 33941 992 14 them -PRON- PRP 33941 992 15 . . . 33941 993 1 Great great JJ 33941 993 2 care care NN 33941 993 3 must must MD 33941 993 4 be be VB 33941 993 5 taken take VBN 33941 993 6 in in IN 33941 993 7 reading read VBG 33941 993 8 the the DT 33941 993 9 level level NN 33941 993 10 of of IN 33941 993 11 the the DT 33941 993 12 liquid liquid NN 33941 993 13 at at IN 33941 993 14 each each DT 33941 993 15 observation observation NN 33941 993 16 . . . 33941 994 1 The the DT 33941 994 2 best good JJS 33941 994 3 plan plan NN 33941 994 4 is be VBZ 33941 994 5 to to TO 33941 994 6 hold hold VB 33941 994 7 a a DT 33941 994 8 piece piece NN 33941 994 9 of of IN 33941 994 10 white white JJ 33941 994 11 paper paper NN 33941 994 12 behind behind IN 33941 994 13 the the DT 33941 994 14 burette burette NN 33941 994 15 , , , 33941 994 16 and and CC 33941 994 17 to to TO 33941 994 18 read read VB 33941 994 19 from from IN 33941 994 20 the the DT 33941 994 21 lower low JJR 33941 994 22 edge edge NN 33941 994 23 of of IN 33941 994 24 the the DT 33941 994 25 black black JJ 33941 994 26 line line NN 33941 994 27 that that WDT 33941 994 28 will will MD 33941 994 29 be be VB 33941 994 30 seen see VBN 33941 994 31 . . . 33941 995 1 Each each DT 33941 995 2 operation operation NN 33941 995 3 should should MD 33941 995 4 be be VB 33941 995 5 repeated repeat VBN 33941 995 6 two two CD 33941 995 7 or or CC 33941 995 8 three three CD 33941 995 9 times time NNS 33941 995 10 , , , 33941 995 11 and and CC 33941 995 12 the the DT 33941 995 13 mean mean NN 33941 995 14 of of IN 33941 995 15 the the DT 33941 995 16 results result NNS 33941 995 17 , , , 33941 995 18 which which WDT 33941 995 19 should should MD 33941 995 20 differ differ VB 33941 995 21 but but CC 33941 995 22 slightly slightly RB 33941 995 23 , , , 33941 995 24 may may MD 33941 995 25 be be VB 33941 995 26 taken take VBN 33941 995 27 as as IN 33941 995 28 the the DT 33941 995 29 value value NN 33941 995 30 of of IN 33941 995 31 the the DT 33941 995 32 portion portion NN 33941 995 33 of of IN 33941 995 34 the the DT 33941 995 35 tube tube NN 33941 995 36 under under IN 33941 995 37 examination examination NN 33941 995 38 . . . 33941 996 1 If if IN 33941 996 2 the the DT 33941 996 3 weights weight NNS 33941 996 4 of of IN 33941 996 5 water water NN 33941 996 6 delivered deliver VBN 33941 996 7 from from IN 33941 996 8 equal equal JJ 33941 996 9 divisions division NNS 33941 996 10 of of IN 33941 996 11 the the DT 33941 996 12 tube tube NN 33941 996 13 are be VBP 33941 996 14 found find VBN 33941 996 15 to to TO 33941 996 16 be be VB 33941 996 17 equal equal JJ 33941 996 18 , , , 33941 996 19 the the DT 33941 996 20 burette burette NN 33941 996 21 is be VBZ 33941 996 22 an an DT 33941 996 23 accurate accurate JJ 33941 996 24 one one NN 33941 996 25 , , , 33941 996 26 but but CC 33941 996 27 if if IN 33941 996 28 , , , 33941 996 29 as as IN 33941 996 30 is be VBZ 33941 996 31 more more RBR 33941 996 32 likely likely JJ 33941 996 33 , , , 33941 996 34 different different JJ 33941 996 35 values value NNS 33941 996 36 are be VBP 33941 996 37 obtained obtain VBN 33941 996 38 , , , 33941 996 39 a a DT 33941 996 40 table table NN 33941 996 41 of of IN 33941 996 42 results result NNS 33941 996 43 should should MD 33941 996 44 be be VB 33941 996 45 drawn draw VBN 33941 996 46 up up RP 33941 996 47 in in IN 33941 996 48 the the DT 33941 996 49 laboratory laboratory NN 33941 996 50 book book NN 33941 996 51 showing show VBG 33941 996 52 the the DT 33941 996 53 volume volume NN 33941 996 54 of of IN 33941 996 55 liquid liquid NN 33941 996 56 delivered deliver VBN 33941 996 57 from from IN 33941 996 58 each each DT 33941 996 59 portion portion NN 33941 996 60 of of IN 33941 996 61 the the DT 33941 996 62 tube tube NN 33941 996 63 examined examine VBD 33941 996 64 . . . 33941 997 1 And and CC 33941 997 2 subsequently subsequently RB 33941 997 3 when when WRB 33941 997 4 the the DT 33941 997 5 burette burette NN 33941 997 6 is be VBZ 33941 997 7 used use VBN 33941 997 8 , , , 33941 997 9 the the DT 33941 997 10 volumes volume NNS 33941 997 11 read read VBD 33941 997 12 from from IN 33941 997 13 the the DT 33941 997 14 scale scale NN 33941 997 15 on on IN 33941 997 16 the the DT 33941 997 17 burette burette NN 33941 997 18 must must MD 33941 997 19 be be VB 33941 997 20 corrected correct VBN 33941 997 21 . . . 33941 998 1 Suppose suppose VB 33941 998 2 , , , 33941 998 3 for for IN 33941 998 4 example example NN 33941 998 5 , , , 33941 998 6 that that IN 33941 998 7 a a DT 33941 998 8 burette burette NN 33941 998 9 delivered deliver VBD 33941 998 10 the the DT 33941 998 11 following follow VBG 33941 998 12 weights weight NNS 33941 998 13 of of IN 33941 998 14 water water NN 33941 998 15 from from IN 33941 998 16 each each DT 33941 998 17 division division NN 33941 998 18 of of IN 33941 998 19 5 5 CD 33941 998 20 c.c c.c NNP 33941 998 21 . . . 33941 999 1 respectively:-- respectively:-- `` 33941 999 2 C.C. C.C. NNP 33941 1000 1 Grams gram NNS 33941 1000 2 . . . 33941 1001 1 0 0 CD 33941 1001 2 to to TO 33941 1001 3 5 5 CD 33941 1001 4 gave give VBD 33941 1001 5 4·90 4·90 NNP 33941 1001 6 5 5 CD 33941 1001 7 " " CD 33941 1001 8 10 10 CD 33941 1001 9 " " CD 33941 1001 10 4·91 4â·91 CD 33941 1001 11 10 10 CD 33941 1001 12 " " `` 33941 1001 13 15 15 CD 33941 1001 14 " " '' 33941 1001 15 4·92 4â·92 CD 33941 1001 16 15 15 CD 33941 1001 17 " " CD 33941 1001 18 20 20 CD 33941 1001 19 " " '' 33941 1001 20 4·93 4â·93 CD 33941 1001 21 20 20 CD 33941 1001 22 " " CD 33941 1001 23 25 25 CD 33941 1001 24 " " `` 33941 1001 25 4·94 4â·94 CD 33941 1001 26 25 25 CD 33941 1001 27 " " `` 33941 1001 28 30 30 CD 33941 1001 29 " " CD 33941 1001 30 4·95 4â·95 CD 33941 1001 31 30 30 CD 33941 1001 32 " " CD 33941 1001 33 35 35 CD 33941 1001 34 " " CD 33941 1001 35 4·96 4â·96 CD 33941 1001 36 35 35 CD 33941 1001 37 " " '' 33941 1001 38 40 40 CD 33941 1001 39 " " NN 33941 1001 40 4·97 4â·97 CD 33941 1001 41 40 40 CD 33941 1001 42 " " CD 33941 1001 43 45 45 CD 33941 1001 44 " " CD 33941 1001 45 4·98 4â·98 CD 33941 1001 46 45 45 CD 33941 1001 47 " " CD 33941 1001 48 50 50 CD 33941 1001 49 " " '' 33941 1001 50 4·99 4â·99 CD 33941 1001 51 and and CC 33941 1001 52 that that IN 33941 1001 53 in in IN 33941 1001 54 two two CD 33941 1001 55 experiments experiment NNS 33941 1001 56 20 20 CD 33941 1001 57 c.c c.c NNP 33941 1001 58 . . . 33941 1002 1 and and CC 33941 1002 2 45 45 CD 33941 1002 3 c.c c.c NNP 33941 1002 4 . . . 33941 1003 1 respectively respectively RB 33941 1003 2 of of IN 33941 1003 3 a a DT 33941 1003 4 liquid liquid JJ 33941 1003 5 re re NN 33941 1003 6 - - NN 33941 1003 7 agent agent NN 33941 1003 8 were be VBD 33941 1003 9 employed employ VBN 33941 1003 10 . . . 33941 1004 1 The the DT 33941 1004 2 true true JJ 33941 1004 3 volumes volume NNS 33941 1004 4 calculated calculate VBN 33941 1004 5 from from IN 33941 1004 6 the the DT 33941 1004 7 table table NN 33941 1004 8 would would MD 33941 1004 9 be be VB 33941 1004 10 as as IN 33941 1004 11 19·66 19â·66 CD 33941 1004 12 to to IN 33941 1004 13 44·46 44â·46 CD 33941 1004 14 . . . 33941 1005 1 If if IN 33941 1005 2 the the DT 33941 1005 3 temperature temperature NN 33941 1005 4 remained remain VBD 33941 1005 5 constant constant JJ 33941 1005 6 throughout throughout IN 33941 1005 7 the the DT 33941 1005 8 above above JJ 33941 1005 9 series series NN 33941 1005 10 of of IN 33941 1005 11 experiments experiment NNS 33941 1005 12 , , , 33941 1005 13 and and CC 33941 1005 14 if if IN 33941 1005 15 the the DT 33941 1005 16 temperature temperature NN 33941 1005 17 selected select VBN 33941 1005 18 were be VBD 33941 1005 19 4 4 NNP 33941 1005 20 ° ° NNP 33941 1005 21 C. C. NNP 33941 1005 22 , , , 33941 1005 23 the the DT 33941 1005 24 weights weight NNS 33941 1005 25 of of IN 33941 1005 26 water water NN 33941 1005 27 found find VBD 33941 1005 28 , , , 33941 1005 29 taken take VBN 33941 1005 30 in in IN 33941 1005 31 grams gram NNS 33941 1005 32 , , , 33941 1005 33 give give VBP 33941 1005 34 the the DT 33941 1005 35 volumes volume NNS 33941 1005 36 in in IN 33941 1005 37 cubic cubic JJ 33941 1005 38 centimetres centimetre NNS 33941 1005 39 , , , 33941 1005 40 for for IN 33941 1005 41 one one CD 33941 1005 42 gram gram NN 33941 1005 43 of of IN 33941 1005 44 water water NN 33941 1005 45 at at IN 33941 1005 46 4 4 NNP 33941 1005 47 ° ° NNP 33941 1005 48 C. C. NNP 33941 1005 49 has have VBZ 33941 1005 50 a a DT 33941 1005 51 volume volume NN 33941 1005 52 of of IN 33941 1005 53 one one CD 33941 1005 54 cubic cubic JJ 33941 1005 55 centimetre centimetre NN 33941 1005 56 . . . 33941 1006 1 If if IN 33941 1006 2 the the DT 33941 1006 3 temperature temperature NN 33941 1006 4 at at IN 33941 1006 5 which which WDT 33941 1006 6 the the DT 33941 1006 7 experiments experiment NNS 33941 1006 8 were be VBD 33941 1006 9 made make VBN 33941 1006 10 was be VBD 33941 1006 11 other other JJ 33941 1006 12 than than IN 33941 1006 13 4 4 NNP 33941 1006 14 ° ° NNP 33941 1006 15 C. C. NNP 33941 1006 16 , , , 33941 1006 17 and and CC 33941 1006 18 if if IN 33941 1006 19 great great JJ 33941 1006 20 accuracy accuracy NN 33941 1006 21 be be VB 33941 1006 22 desired desire VBN 33941 1006 23 , , , 33941 1006 24 a a DT 33941 1006 25 table table NN 33941 1006 26 of of IN 33941 1006 27 densities density NNS 33941 1006 28 must must MD 33941 1006 29 be be VB 33941 1006 30 consulted consult VBN 33941 1006 31 , , , 33941 1006 32 with with IN 33941 1006 33 the the DT 33941 1006 34 help help NN 33941 1006 35 of of IN 33941 1006 36 which which WDT 33941 1006 37 the the DT 33941 1006 38 volume volume NN 33941 1006 39 of of IN 33941 1006 40 any any DT 33941 1006 41 weight weight NN 33941 1006 42 of of IN 33941 1006 43 water water NN 33941 1006 44 at at IN 33941 1006 45 a a DT 33941 1006 46 known know VBN 33941 1006 47 temperature temperature NN 33941 1006 48 can can MD 33941 1006 49 be be VB 33941 1006 50 readily readily RB 33941 1006 51 calculated calculate VBN 33941 1006 52 . . . 33941 1007 1 Pipettes pipette NNS 33941 1007 2 which which WDT 33941 1007 3 are be VBP 33941 1007 4 to to TO 33941 1007 5 be be VB 33941 1007 6 used use VBN 33941 1007 7 as as IN 33941 1007 8 measuring measure VBG 33941 1007 9 instruments instrument NNS 33941 1007 10 should should MD 33941 1007 11 also also RB 33941 1007 12 have have VB 33941 1007 13 the the DT 33941 1007 14 relation relation NN 33941 1007 15 one one CD 33941 1007 16 to to IN 33941 1007 17 another another DT 33941 1007 18 of of IN 33941 1007 19 the the DT 33941 1007 20 volumes volume NNS 33941 1007 21 of of IN 33941 1007 22 liquid liquid NN 33941 1007 23 which which WDT 33941 1007 24 they -PRON- PRP 33941 1007 25 deliver deliver VBP 33941 1007 26 determined determine VBD 33941 1007 27 , , , 33941 1007 28 and and CC 33941 1007 29 also also RB 33941 1007 30 the the DT 33941 1007 31 proportions proportion NNS 33941 1007 32 these these DT 33941 1007 33 bear bear VBP 33941 1007 34 to to IN 33941 1007 35 the the DT 33941 1007 36 values value NNS 33941 1007 37 found find VBN 33941 1007 38 for for IN 33941 1007 39 the the DT 33941 1007 40 divisions division NNS 33941 1007 41 of of IN 33941 1007 42 the the DT 33941 1007 43 burettes burette NNS 33941 1007 44 in in IN 33941 1007 45 conjunction conjunction NN 33941 1007 46 with with IN 33941 1007 47 which which WDT 33941 1007 48 they -PRON- PRP 33941 1007 49 will will MD 33941 1007 50 be be VB 33941 1007 51 employed employ VBN 33941 1007 52 . . . 33941 1008 1 = = NFP 33941 1008 2 To to IN 33941 1008 3 Calibrate Calibrate NNP 33941 1008 4 Tubes Tubes NNPS 33941 1008 5 for for IN 33941 1008 6 Measuring measure VBG 33941 1008 7 Gases.=--Prepare gases.=--prepare ADD 33941 1008 8 a a DT 33941 1008 9 small small JJ 33941 1008 10 glass glass NN 33941 1008 11 tube tube NN 33941 1008 12 sealed seal VBN 33941 1008 13 at at IN 33941 1008 14 one one CD 33941 1008 15 end end NN 33941 1008 16 and and CC 33941 1008 17 ground ground NN 33941 1008 18 at at IN 33941 1008 19 the the DT 33941 1008 20 other other JJ 33941 1008 21 to to IN 33941 1008 22 a a DT 33941 1008 23 plate plate NN 33941 1008 24 of of IN 33941 1008 25 glass glass NN 33941 1008 26 . . . 33941 1009 1 The the DT 33941 1009 2 tube tube NN 33941 1009 3 should should MD 33941 1009 4 hold hold VB 33941 1009 5 about about RP 33941 1009 6 as as RB 33941 1009 7 much much JJ 33941 1009 8 mercury mercury NN 33941 1009 9 as as IN 33941 1009 10 will will MD 33941 1009 11 fill fill VB 33941 1009 12 10 10 CD 33941 1009 13 mm mm NNS 33941 1009 14 . . . 33941 1010 1 divisions division NNS 33941 1010 2 of of IN 33941 1010 3 the the DT 33941 1010 4 graduated graduated JJ 33941 1010 5 tube tube NN 33941 1010 6 . . . 33941 1011 1 Fill fill VB 33941 1011 2 this this DT 33941 1011 3 tube tube NN 33941 1011 4 with with IN 33941 1011 5 mercury mercury NN 33941 1011 6 , , , 33941 1011 7 removing remove VBG 33941 1011 8 all all DT 33941 1011 9 bubbles bubble NNS 33941 1011 10 of of IN 33941 1011 11 air air NN 33941 1011 12 that that WDT 33941 1011 13 adhere adhere VBP 33941 1011 14 to to IN 33941 1011 15 the the DT 33941 1011 16 sides side NNS 33941 1011 17 by by IN 33941 1011 18 closing close VBG 33941 1011 19 the the DT 33941 1011 20 open open JJ 33941 1011 21 end end NN 33941 1011 22 of of IN 33941 1011 23 the the DT 33941 1011 24 tube tube NN 33941 1011 25 with with IN 33941 1011 26 the the DT 33941 1011 27 thumb thumb NN 33941 1011 28 , , , 33941 1011 29 and and CC 33941 1011 30 washing wash VBG 33941 1011 31 them -PRON- PRP 33941 1011 32 away away RB 33941 1011 33 with with IN 33941 1011 34 a a DT 33941 1011 35 large large JJ 33941 1011 36 air air NN 33941 1011 37 - - HYPH 33941 1011 38 bubble bubble NN 33941 1011 39 left left NN 33941 1011 40 for for IN 33941 1011 41 the the DT 33941 1011 42 purpose purpose NN 33941 1011 43 . . . 33941 1012 1 If if IN 33941 1012 2 any any DT 33941 1012 3 persistently persistently RB 33941 1012 4 remain remain VBP 33941 1012 5 , , , 33941 1012 6 remove remove VB 33941 1012 7 them -PRON- PRP 33941 1012 8 by by IN 33941 1012 9 means mean NNS 33941 1012 10 of of IN 33941 1012 11 a a DT 33941 1012 12 fine fine JJ 33941 1012 13 piece piece NN 33941 1012 14 of of IN 33941 1012 15 bone bone NN 33941 1012 16 or or CC 33941 1012 17 wood wood NN 33941 1012 18 . . . 33941 1013 1 Then then RB 33941 1013 2 completely completely RB 33941 1013 3 fill fill VB 33941 1013 4 the the DT 33941 1013 5 tube tube NN 33941 1013 6 with with IN 33941 1013 7 mercury mercury NN 33941 1013 8 , , , 33941 1013 9 removing remove VBG 33941 1013 10 any any DT 33941 1013 11 bubbles bubble NNS 33941 1013 12 that that WDT 33941 1013 13 may may MD 33941 1013 14 be be VB 33941 1013 15 introduced introduce VBN 33941 1013 16 in in IN 33941 1013 17 the the DT 33941 1013 18 operation operation NN 33941 1013 19 , , , 33941 1013 20 and and CC 33941 1013 21 remove remove VB 33941 1013 22 the the DT 33941 1013 23 excess excess NN 33941 1013 24 of of IN 33941 1013 25 mercury mercury NN 33941 1013 26 by by IN 33941 1013 27 placing place VBG 33941 1013 28 the the DT 33941 1013 29 ground ground NN 33941 1013 30 - - HYPH 33941 1013 31 glass glass NN 33941 1013 32 plate plate NN 33941 1013 33 on on IN 33941 1013 34 the the DT 33941 1013 35 mouth mouth NN 33941 1013 36 of of IN 33941 1013 37 the the DT 33941 1013 38 tube tube NN 33941 1013 39 , , , 33941 1013 40 and and CC 33941 1013 41 pressing press VBG 33941 1013 42 it -PRON- PRP 33941 1013 43 so so IN 33941 1013 44 as as IN 33941 1013 45 to to TO 33941 1013 46 force force VB 33941 1013 47 out out RP 33941 1013 48 all all DT 33941 1013 49 excess excess NN 33941 1013 50 of of IN 33941 1013 51 mercury mercury NN 33941 1013 52 between between IN 33941 1013 53 the the DT 33941 1013 54 two two CD 33941 1013 55 surfaces surface NNS 33941 1013 56 . . . 33941 1014 1 Clean clean VB 33941 1014 2 the the DT 33941 1014 3 outside outside NN 33941 1014 4 of of IN 33941 1014 5 the the DT 33941 1014 6 tube tube NN 33941 1014 7 , , , 33941 1014 8 and and CC 33941 1014 9 place place VB 33941 1014 10 it -PRON- PRP 33941 1014 11 on on IN 33941 1014 12 a a DT 33941 1014 13 small small JJ 33941 1014 14 stand stand NN 33941 1014 15 ( ( -LRB- 33941 1014 16 this this DT 33941 1014 17 may may MD 33941 1014 18 be be VB 33941 1014 19 a a DT 33941 1014 20 small small JJ 33941 1014 21 wide wide JJ 33941 1014 22 - - HYPH 33941 1014 23 mouthed mouthed JJ 33941 1014 24 glass glass NN 33941 1014 25 bottle bottle NN 33941 1014 26 ) ) -RRB- 33941 1014 27 , , , 33941 1014 28 with with IN 33941 1014 29 which which WDT 33941 1014 30 it -PRON- PRP 33941 1014 31 has have VBZ 33941 1014 32 been be VBN 33941 1014 33 previously previously RB 33941 1014 34 weighed weigh VBN 33941 1014 35 when when WRB 33941 1014 36 empty empty JJ 33941 1014 37 , , , 33941 1014 38 and and CC 33941 1014 39 re re NN 33941 1014 40 - - NN 33941 1014 41 weigh weigh VB 33941 1014 42 . . . 33941 1015 1 Repeat repeat VB 33941 1015 2 this this DT 33941 1015 3 operation operation NN 33941 1015 4 several several JJ 33941 1015 5 times time NNS 33941 1015 6 . . . 33941 1016 1 From from IN 33941 1016 2 the the DT 33941 1016 3 mean mean NN 33941 1016 4 of of IN 33941 1016 5 the the DT 33941 1016 6 results result NNS 33941 1016 7 , , , 33941 1016 8 which which WDT 33941 1016 9 should should MD 33941 1016 10 differ differ VB 33941 1016 11 one one CD 33941 1016 12 from from IN 33941 1016 13 another another DT 33941 1016 14 but but CC 33941 1016 15 very very RB 33941 1016 16 slightly slightly RB 33941 1016 17 , , , 33941 1016 18 the the DT 33941 1016 19 capacity capacity NN 33941 1016 20 of of IN 33941 1016 21 the the DT 33941 1016 22 tube tube NN 33941 1016 23 can can MD 33941 1016 24 be be VB 33941 1016 25 calculated calculate VBN 33941 1016 26 . . . 33941 1017 1 The the DT 33941 1017 2 purest pure JJS 33941 1017 3 mercury mercury NN 33941 1017 4 obtainable obtainable JJ 33941 1017 5 should should MD 33941 1017 6 be be VB 33941 1017 7 used use VBN 33941 1017 8 . . . 33941 1018 1 Since since IN 33941 1018 2 the the DT 33941 1018 3 density density NN 33941 1018 4 of of IN 33941 1018 5 pure pure JJ 33941 1018 6 mercury mercury NN 33941 1018 7 at at IN 33941 1018 8 0 0 NNP 33941 1018 9 ° ° NNP 33941 1018 10 C. C. NNP 33941 1018 11 is be VBZ 33941 1018 12 13·596 13·596 JJS 33941 1018 13 , , , 33941 1018 14 the the DT 33941 1018 15 weight weight NN 33941 1018 16 of of IN 33941 1018 17 mercury mercury NNP 33941 1018 18 required require VBN 33941 1018 19 to to TO 33941 1018 20 fill fill VB 33941 1018 21 the the DT 33941 1018 22 tube tube NN 33941 1018 23 at at IN 33941 1018 24 0 0â NN 33941 1018 25 ° ° NNP 33941 1018 26 C. C. NNP 33941 1018 27 , , , 33941 1018 28 taken take VBN 33941 1018 29 in in IN 33941 1018 30 grams gram NNS 33941 1018 31 , , , 33941 1018 32 when when WRB 33941 1018 33 divided divide VBN 33941 1018 34 by by IN 33941 1018 35 13·596 13·596 NNS 33941 1018 36 , , , 33941 1018 37 will will MD 33941 1018 38 give give VB 33941 1018 39 the the DT 33941 1018 40 capacity capacity NN 33941 1018 41 of of IN 33941 1018 42 the the DT 33941 1018 43 tube tube NN 33941 1018 44 at at IN 33941 1018 45 0 0â NN 33941 1018 46 ° ° NNP 33941 1018 47 C. C. NNP 33941 1018 48 in in IN 33941 1018 49 cubic cubic JJ 33941 1018 50 centimetres centimetre NNS 33941 1018 51 . . . 33941 1019 1 If if IN 33941 1019 2 the the DT 33941 1019 3 experiment experiment NN 33941 1019 4 be be VBP 33941 1019 5 not not RB 33941 1019 6 made make VBN 33941 1019 7 at at IN 33941 1019 8 0 0â NN 33941 1019 9 ° ° NNP 33941 1019 10 C. C. NNP 33941 1019 11 , , , 33941 1019 12 and and CC 33941 1019 13 if if IN 33941 1019 14 a a DT 33941 1019 15 very very RB 33941 1019 16 exact exact JJ 33941 1019 17 determination determination NN 33941 1019 18 of of IN 33941 1019 19 the the DT 33941 1019 20 capacity capacity NN 33941 1019 21 of of IN 33941 1019 22 the the DT 33941 1019 23 tube tube NN 33941 1019 24 be be VB 33941 1019 25 required require VBN 33941 1019 26 , , , 33941 1019 27 the the DT 33941 1019 28 density density NN 33941 1019 29 of of IN 33941 1019 30 mercury mercury NN 33941 1019 31 must must MD 33941 1019 32 be be VB 33941 1019 33 corrected correct VBN 33941 1019 34 for for IN 33941 1019 35 expansion expansion NN 33941 1019 36 or or CC 33941 1019 37 contraction contraction NN 33941 1019 38 . . . 33941 1020 1 Having have VBG 33941 1020 2 now now RB 33941 1020 3 a a DT 33941 1020 4 vessel vessel NN 33941 1020 5 of of IN 33941 1020 6 known know VBN 33941 1020 7 capacity capacity NN 33941 1020 8 , , , 33941 1020 9 it -PRON- PRP 33941 1020 10 can can MD 33941 1020 11 be be VB 33941 1020 12 employed employ VBN 33941 1020 13 for for IN 33941 1020 14 ascertaining ascertain VBG 33941 1020 15 the the DT 33941 1020 16 capacities capacity NNS 33941 1020 17 of of IN 33941 1020 18 the the DT 33941 1020 19 divisions division NNS 33941 1020 20 of of IN 33941 1020 21 a a DT 33941 1020 22 graduated graduate VBN 33941 1020 23 tube tube NN 33941 1020 24 in in IN 33941 1020 25 the the DT 33941 1020 26 following follow VBG 33941 1020 27 manner:--The manner:--The NNP 33941 1020 28 graduated graduate VBN 33941 1020 29 tube tube NN 33941 1020 30 is be VBZ 33941 1020 31 fixed fix VBN 33941 1020 32 perpendicularly perpendicularly RB 33941 1020 33 , , , 33941 1020 34 mouth mouth NN 33941 1020 35 upwards upwards NNPS 33941 1020 36 , , , 33941 1020 37 in in IN 33941 1020 38 a a DT 33941 1020 39 secure secure JJ 33941 1020 40 position position NN 33941 1020 41 . . . 33941 1021 1 The the DT 33941 1021 2 small small JJ 33941 1021 3 tube tube NN 33941 1021 4 of of IN 33941 1021 5 known know VBN 33941 1021 6 capacity capacity NN 33941 1021 7 is be VBZ 33941 1021 8 filled fill VBN 33941 1021 9 with with IN 33941 1021 10 mercury mercury NN 33941 1021 11 as as IN 33941 1021 12 previously previously RB 33941 1021 13 described describe VBN 33941 1021 14 , , , 33941 1021 15 and and CC 33941 1021 16 its -PRON- PRP$ 33941 1021 17 contents content NNS 33941 1021 18 are be VBP 33941 1021 19 transferred transfer VBN 33941 1021 20 to to IN 33941 1021 21 the the DT 33941 1021 22 divided divided JJ 33941 1021 23 tube tube NN 33941 1021 24 . . . 33941 1022 1 The the DT 33941 1022 2 number number NN 33941 1022 3 of of IN 33941 1022 4 divisions division NNS 33941 1022 5 which which WDT 33941 1022 6 the the DT 33941 1022 7 known know VBN 33941 1022 8 volume volume NN 33941 1022 9 of of IN 33941 1022 10 mercury mercury NN 33941 1022 11 occupies occupie NNS 33941 1022 12 is be VBZ 33941 1022 13 noted note VBN 33941 1022 14 after after IN 33941 1022 15 all all DT 33941 1022 16 air air NN 33941 1022 17 - - HYPH 33941 1022 18 bubbles bubble NNS 33941 1022 19 have have VBP 33941 1022 20 been be VBN 33941 1022 21 removed remove VBN 33941 1022 22 . . . 33941 1023 1 This this DT 33941 1023 2 process process NN 33941 1023 3 is be VBZ 33941 1023 4 repeated repeat VBN 33941 1023 5 until until IN 33941 1023 6 the the DT 33941 1023 7 divided divided JJ 33941 1023 8 tube tube NN 33941 1023 9 is be VBZ 33941 1023 10 filled fill VBN 33941 1023 11 . . . 33941 1024 1 A a DT 33941 1024 2 table table NN 33941 1024 3 of of IN 33941 1024 4 results result NNS 33941 1024 5 is be VBZ 33941 1024 6 prepared prepare VBN 33941 1024 7 , , , 33941 1024 8 showing show VBG 33941 1024 9 the the DT 33941 1024 10 number number NN 33941 1024 11 of of IN 33941 1024 12 divisions division NNS 33941 1024 13 occupied occupy VBN 33941 1024 14 by by IN 33941 1024 15 each each DT 33941 1024 16 known know VBN 33941 1024 17 volume volume NN 33941 1024 18 of of IN 33941 1024 19 mercury mercury NN 33941 1024 20 introduced introduce VBN 33941 1024 21 . . . 33941 1025 1 In in IN 33941 1025 2 subsequently subsequently RB 33941 1025 3 using use VBG 33941 1025 4 the the DT 33941 1025 5 tube tube NN 33941 1025 6 the the DT 33941 1025 7 volumes volume NNS 33941 1025 8 of of IN 33941 1025 9 the the DT 33941 1025 10 gases gas NNS 33941 1025 11 measured measure VBN 33941 1025 12 in in IN 33941 1025 13 it -PRON- PRP 33941 1025 14 must must MD 33941 1025 15 be be VB 33941 1025 16 ascertained ascertain VBN 33941 1025 17 from from IN 33941 1025 18 the the DT 33941 1025 19 table table NN 33941 1025 20 of of IN 33941 1025 21 values value NNS 33941 1025 22 thus thus RB 33941 1025 23 prepared prepare VBN 33941 1025 24 . . . 33941 1026 1 In in IN 33941 1026 2 observing observe VBG 33941 1026 3 the the DT 33941 1026 4 level level NN 33941 1026 5 of of IN 33941 1026 6 the the DT 33941 1026 7 mercury mercury NN 33941 1026 8 , , , 33941 1026 9 unless unless IN 33941 1026 10 a a DT 33941 1026 11 cathetometer cathetometer NN 33941 1026 12 is be VBZ 33941 1026 13 available available JJ 33941 1026 14 , , , 33941 1026 15 a a DT 33941 1026 16 slip slip NN 33941 1026 17 of of IN 33941 1026 18 mirror mirror NN 33941 1026 19 should should MD 33941 1026 20 be be VB 33941 1026 21 held hold VBN 33941 1026 22 behind behind IN 33941 1026 23 the the DT 33941 1026 24 mercury mercury NN 33941 1026 25 close close RB 33941 1026 26 to to IN 33941 1026 27 the the DT 33941 1026 28 tube tube NN 33941 1026 29 , , , 33941 1026 30 in in IN 33941 1026 31 such such PDT 33941 1026 32 a a DT 33941 1026 33 position position NN 33941 1026 34 that that IN 33941 1026 35 the the DT 33941 1026 36 pupil pupil NN 33941 1026 37 which which WDT 33941 1026 38 is be VBZ 33941 1026 39 visible visible JJ 33941 1026 40 on on IN 33941 1026 41 the the DT 33941 1026 42 looking look VBG 33941 1026 43 - - HYPH 33941 1026 44 glass glass NN 33941 1026 45 is be VBZ 33941 1026 46 divided divide VBN 33941 1026 47 into into IN 33941 1026 48 two two CD 33941 1026 49 parts part NNS 33941 1026 50 by by IN 33941 1026 51 the the DT 33941 1026 52 surface surface NN 33941 1026 53 of of IN 33941 1026 54 the the DT 33941 1026 55 mercury mercury NN 33941 1026 56 . . . 33941 1027 1 A a DT 33941 1027 2 correction correction NN 33941 1027 3 must must MD 33941 1027 4 be be VB 33941 1027 5 introduced introduce VBN 33941 1027 6 for for IN 33941 1027 7 the the DT 33941 1027 8 error error NN 33941 1027 9 caused cause VBN 33941 1027 10 by by IN 33941 1027 11 the the DT 33941 1027 12 meniscus meniscus NN 33941 1027 13 of of IN 33941 1027 14 the the DT 33941 1027 15 mercury mercury NN 33941 1027 16 . . . 33941 1028 1 As as IN 33941 1028 2 the the DT 33941 1028 3 closed closed JJ 33941 1028 4 end end NN 33941 1028 5 of of IN 33941 1028 6 the the DT 33941 1028 7 tube tube NN 33941 1028 8 was be VBD 33941 1028 9 downwards downwards RB 33941 1028 10 when when WRB 33941 1028 11 each each DT 33941 1028 12 measured measure VBN 33941 1028 13 volume volume NN 33941 1028 14 of of IN 33941 1028 15 mercury mercury NN 33941 1028 16 was be VBD 33941 1028 17 introduced introduce VBN 33941 1028 18 , , , 33941 1028 19 and and CC 33941 1028 20 as as IN 33941 1028 21 the the DT 33941 1028 22 surface surface NN 33941 1028 23 of of IN 33941 1028 24 mercury mercury NNP 33941 1028 25 is be VBZ 33941 1028 26 convex convex NNP 33941 1028 27 , , , 33941 1028 28 the the DT 33941 1028 29 volume volume NN 33941 1028 30 of of IN 33941 1028 31 mercury mercury NN 33941 1028 32 in in IN 33941 1028 33 the the DT 33941 1028 34 tube tube NN 33941 1028 35 when when WRB 33941 1028 36 it -PRON- PRP 33941 1028 37 is be VBZ 33941 1028 38 filled fill VBN 33941 1028 39 to to IN 33941 1028 40 any any DT 33941 1028 41 division division NN 33941 1028 42 _ _ NNP 33941 1028 43 l l NNP 33941 1028 44 _ _ NNP 33941 1028 45 ( ( -LRB- 33941 1028 46 Fig Fig NNP 33941 1028 47 . . . 33941 1029 1 41 41 CD 33941 1029 2 ) ) -RRB- 33941 1029 3 is be VBZ 33941 1029 4 represented represent VBN 33941 1029 5 by by IN 33941 1029 6 _ _ NNP 33941 1029 7 A A NNP 33941 1029 8 _ _ NNP 33941 1029 9 of of IN 33941 1029 10 1 1 CD 33941 1029 11 . . . 33941 1030 1 But but CC 33941 1030 2 in in IN 33941 1030 3 subsequently subsequently RB 33941 1030 4 measuring measure VBG 33941 1030 5 a a DT 33941 1030 6 gas gas NN 33941 1030 7 over over IN 33941 1030 8 mercury mercury NN 33941 1030 9 in in IN 33941 1030 10 the the DT 33941 1030 11 same same JJ 33941 1030 12 tube tube NN 33941 1030 13 , , , 33941 1030 14 when when WRB 33941 1030 15 the the DT 33941 1030 16 mercury mercury NN 33941 1030 17 stands stand VBZ 33941 1030 18 at at IN 33941 1030 19 the the DT 33941 1030 20 same same JJ 33941 1030 21 division division NN 33941 1030 22 _ _ NNP 33941 1030 23 l l NNP 33941 1030 24 _ _ NNP 33941 1030 25 , , , 33941 1030 26 the the DT 33941 1030 27 volume volume NN 33941 1030 28 of of IN 33941 1030 29 the the DT 33941 1030 30 gas gas NN 33941 1030 31 will will MD 33941 1030 32 be be VB 33941 1030 33 as as RB 33941 1030 34 represented represent VBN 33941 1030 35 by by IN 33941 1030 36 _ _ NNP 33941 1030 37 B B NNP 33941 1030 38 _ _ NNP 33941 1030 39 of of IN 33941 1030 40 2 2 CD 33941 1030 41 , , , 33941 1030 42 which which WDT 33941 1030 43 is be VBZ 33941 1030 44 evidently evidently RB 33941 1030 45 somewhat somewhat RB 33941 1030 46 greater great JJR 33941 1030 47 than than IN 33941 1030 48 _ _ NNP 33941 1030 49 A A NNP 33941 1030 50 _ _ NNP 33941 1030 51 . . . 33941 1031 1 This this DT 33941 1031 2 will will MD 33941 1031 3 be be VB 33941 1031 4 seen see VBN 33941 1031 5 still still RB 33941 1031 6 more more RBR 33941 1031 7 clearly clearly RB 33941 1031 8 in in IN 33941 1031 9 3 3 CD 33941 1031 10 , , , 33941 1031 11 where where WRB 33941 1031 12 _ _ NNP 33941 1031 13 a a DT 33941 1031 14 _ _ NNP 33941 1031 15 represents represent VBZ 33941 1031 16 the the DT 33941 1031 17 boundary boundary NN 33941 1031 18 of of IN 33941 1031 19 the the DT 33941 1031 20 mercury mercury NN 33941 1031 21 , , , 33941 1031 22 and and CC 33941 1031 23 _ _ NNP 33941 1031 24 b b NNP 33941 1031 25 _ _ NNP 33941 1031 26 the the DT 33941 1031 27 boundary boundary NN 33941 1031 28 of of IN 33941 1031 29 the the DT 33941 1031 30 air air NN 33941 1031 31 , , , 33941 1031 32 when when WRB 33941 1031 33 the the DT 33941 1031 34 tube tube NN 33941 1031 35 is be VBZ 33941 1031 36 filled fill VBN 33941 1031 37 to to IN 33941 1031 38 the the DT 33941 1031 39 mark mark NN 33941 1031 40 _ _ NNP 33941 1031 41 l l NNP 33941 1031 42 _ _ NNP 33941 1031 43 with with IN 33941 1031 44 mercury mercury NN 33941 1031 45 or or CC 33941 1031 46 a a DT 33941 1031 47 gas gas NN 33941 1031 48 over over IN 33941 1031 49 mercury mercury NN 33941 1031 50 respectively respectively RB 33941 1031 51 . . . 33941 1032 1 [ [ -LRB- 33941 1032 2 Illustration illustration NN 33941 1032 3 : : : 33941 1032 4 FIG FIG NNP 33941 1032 5 . . . 33941 1033 1 41 41 CD 33941 1033 2 . . . 33941 1033 3 ] ] -RRB- 33941 1034 1 It -PRON- PRP 33941 1034 2 is be VBZ 33941 1034 3 plain plain JJ 33941 1034 4 that that IN 33941 1034 5 when when WRB 33941 1034 6 the the DT 33941 1034 7 level level NN 33941 1034 8 of of IN 33941 1034 9 the the DT 33941 1034 10 mercury mercury NN 33941 1034 11 in in IN 33941 1034 12 measuring measure VBG 33941 1034 13 a a DT 33941 1034 14 gas gas NN 33941 1034 15 is be VBZ 33941 1034 16 read read VBN 33941 1034 17 at at IN 33941 1034 18 _ _ NNP 33941 1034 19 l l NNP 33941 1034 20 _ _ NNP 33941 1034 21 , , , 33941 1034 22 the the DT 33941 1034 23 volume volume NN 33941 1034 24 of of IN 33941 1034 25 the the DT 33941 1034 26 gas gas NN 33941 1034 27 is be VBZ 33941 1034 28 greater great JJR 33941 1034 29 than than IN 33941 1034 30 the the DT 33941 1034 31 volume volume NN 33941 1034 32 of of IN 33941 1034 33 the the DT 33941 1034 34 mercury mercury NN 33941 1034 35 recorded record VBN 33941 1034 36 , , , 33941 1034 37 by by IN 33941 1034 38 twice twice PDT 33941 1034 39 the the DT 33941 1034 40 difference difference NN 33941 1034 41 between between IN 33941 1034 42 the the DT 33941 1034 43 volume volume NN 33941 1034 44 _ _ NNP 33941 1034 45 A A NNP 33941 1034 46 _ _ NNP 33941 1034 47 of of IN 33941 1034 48 mercury mercury NN 33941 1034 49 measured measure VBN 33941 1034 50 , , , 33941 1034 51 and and CC 33941 1034 52 that that IN 33941 1034 53 which which WDT 33941 1034 54 would would MD 33941 1034 55 fill fill VB 33941 1034 56 the the DT 33941 1034 57 tube tube NN 33941 1034 58 to to IN 33941 1034 59 the the DT 33941 1034 60 level level NN 33941 1034 61 _ _ NNP 33941 1034 62 l l NNP 33941 1034 63 _ _ NNP 33941 1034 64 , , , 33941 1034 65 if if IN 33941 1034 66 its -PRON- PRP$ 33941 1034 67 surface surface NN 33941 1034 68 were be VBD 33941 1034 69 plane plane NN 33941 1034 70 . . . 33941 1035 1 The the DT 33941 1035 2 usual usual JJ 33941 1035 3 mode mode NN 33941 1035 4 of of IN 33941 1035 5 finding find VBG 33941 1035 6 the the DT 33941 1035 7 true true JJ 33941 1035 8 volume volume NN 33941 1035 9 of of IN 33941 1035 10 a a DT 33941 1035 11 gas gas NN 33941 1035 12 collected collect VBN 33941 1035 13 over over IN 33941 1035 14 mercury mercury NN 33941 1035 15 is be VBZ 33941 1035 16 as as IN 33941 1035 17 follows:-- follows:-- NNP 33941 1035 18 Place place VB 33941 1035 19 the the DT 33941 1035 20 graduated graduated JJ 33941 1035 21 tube tube NN 33941 1035 22 mouth mouth NNP 33941 1035 23 upwards upwards RB 33941 1035 24 , , , 33941 1035 25 introduce introduce VBP 33941 1035 26 some some DT 33941 1035 27 mercury mercury NN 33941 1035 28 , , , 33941 1035 29 and and CC 33941 1035 30 , , , 33941 1035 31 after after IN 33941 1035 32 removing remove VBG 33941 1035 33 all all DT 33941 1035 34 bubbles bubble NNS 33941 1035 35 , , , 33941 1035 36 note note VB 33941 1035 37 the the DT 33941 1035 38 division division NN 33941 1035 39 at at IN 33941 1035 40 which which WDT 33941 1035 41 it -PRON- PRP 33941 1035 42 stands stand VBZ 33941 1035 43 . . . 33941 1036 1 Then then RB 33941 1036 2 add add VB 33941 1036 3 a a DT 33941 1036 4 few few JJ 33941 1036 5 drops drop NNS 33941 1036 6 of of IN 33941 1036 7 solution solution NN 33941 1036 8 of of IN 33941 1036 9 mercuric mercuric NN 33941 1036 10 chloride chloride NN 33941 1036 11 ; ; : 33941 1036 12 the the DT 33941 1036 13 surface surface NN 33941 1036 14 of of IN 33941 1036 15 the the DT 33941 1036 16 mercury mercury NN 33941 1036 17 will will MD 33941 1036 18 become become VB 33941 1036 19 level level NN 33941 1036 20 , , , 33941 1036 21 read read VB 33941 1036 22 and and CC 33941 1036 23 record record VB 33941 1036 24 its -PRON- PRP$ 33941 1036 25 new new JJ 33941 1036 26 position position NN 33941 1036 27 . . . 33941 1037 1 Then then RB 33941 1037 2 , , , 33941 1037 3 in in IN 33941 1037 4 any any DT 33941 1037 5 measurement measurement NN 33941 1037 6 , , , 33941 1037 7 having have VBG 33941 1037 8 observed observe VBN 33941 1037 9 that that IN 33941 1037 10 the the DT 33941 1037 11 mercury mercury NN 33941 1037 12 stands stand VBZ 33941 1037 13 at at IN 33941 1037 14 _ _ NNP 33941 1037 15 n n CC 33941 1037 16 _ _ NNP 33941 1037 17 divisions division NNS 33941 1037 18 of of IN 33941 1037 19 the the DT 33941 1037 20 tube tube NN 33941 1037 21 , , , 33941 1037 22 add add VB 33941 1037 23 twice twice PDT 33941 1037 24 the the DT 33941 1037 25 difference difference NN 33941 1037 26 between between IN 33941 1037 27 the the DT 33941 1037 28 two two CD 33941 1037 29 positions position NNS 33941 1037 30 of of IN 33941 1037 31 the the DT 33941 1037 32 mercury mercury NN 33941 1037 33 to to IN 33941 1037 34 _ _ NNP 33941 1037 35 n n CC 33941 1037 36 _ _ NNP 33941 1037 37 , , , 33941 1037 38 and and CC 33941 1037 39 ascertain ascertain VB 33941 1037 40 the the DT 33941 1037 41 volume volume NN 33941 1037 42 which which WDT 33941 1037 43 corresponds correspond VBZ 33941 1037 44 to to IN 33941 1037 45 this this DT 33941 1037 46 reading reading NN 33941 1037 47 from from IN 33941 1037 48 the the DT 33941 1037 49 table table NN 33941 1037 50 of of IN 33941 1037 51 capacities capacity NNS 33941 1037 52 . . . 33941 1038 1 = = NFP 33941 1038 2 To to TO 33941 1038 3 Calibrate calibrate VB 33941 1038 4 the the DT 33941 1038 5 Tube tube NN 33941 1038 6 of of IN 33941 1038 7 a a DT 33941 1038 8 Thermometer.=--Detach Thermometer.=--Detach '' 33941 1038 9 a a DT 33941 1038 10 thread thread NN 33941 1038 11 of of IN 33941 1038 12 mercury mercury NN 33941 1038 13 from from IN 33941 1038 14 half half PDT 33941 1038 15 an an DT 33941 1038 16 inch inch NN 33941 1038 17 to to IN 33941 1038 18 one one CD 33941 1038 19 inch inch NN 33941 1038 20 in in IN 33941 1038 21 length length NN 33941 1038 22 from from IN 33941 1038 23 the the DT 33941 1038 24 body body NN 33941 1038 25 of of IN 33941 1038 26 the the DT 33941 1038 27 mercury mercury NN 33941 1038 28 . . . 33941 1039 1 Move move VB 33941 1039 2 it -PRON- PRP 33941 1039 3 from from IN 33941 1039 4 point point NN 33941 1039 5 to to TO 33941 1039 6 point point VB 33941 1039 7 throughout throughout IN 33941 1039 8 the the DT 33941 1039 9 length length NN 33941 1039 10 of of IN 33941 1039 11 the the DT 33941 1039 12 tube tube NN 33941 1039 13 , , , 33941 1039 14 and and CC 33941 1039 15 note note VB 33941 1039 16 its -PRON- PRP$ 33941 1039 17 length length NN 33941 1039 18 in in IN 33941 1039 19 each each DT 33941 1039 20 position position NN 33941 1039 21 . . . 33941 1040 1 If if IN 33941 1040 2 in in IN 33941 1040 3 one one CD 33941 1040 4 part part NN 33941 1040 5 it -PRON- PRP 33941 1040 6 occupies occupy VBZ 33941 1040 7 a a DT 33941 1040 8 length length NN 33941 1040 9 of of IN 33941 1040 10 tube tube NN 33941 1040 11 corresponding correspond VBG 33941 1040 12 to to IN 33941 1040 13 eight eight CD 33941 1040 14 degrees degree NNS 33941 1040 15 , , , 33941 1040 16 and and CC 33941 1040 17 at at IN 33941 1040 18 another another DT 33941 1040 19 only only RB 33941 1040 20 seven seven CD 33941 1040 21 degrees degree NNS 33941 1040 22 , , , 33941 1040 23 then then RB 33941 1040 24 at at IN 33941 1040 25 the the DT 33941 1040 26 former former JJ 33941 1040 27 point point NN 33941 1040 28 the the DT 33941 1040 29 value value NN 33941 1040 30 of of IN 33941 1040 31 each each DT 33941 1040 32 division division NN 33941 1040 33 is be VBZ 33941 1040 34 only only RB 33941 1040 35 seven seven CD 33941 1040 36 - - HYPH 33941 1040 37 eighths eighth NNS 33941 1040 38 of of IN 33941 1040 39 those those DT 33941 1040 40 at at IN 33941 1040 41 the the DT 33941 1040 42 latter latter JJ 33941 1040 43 position position NN 33941 1040 44 . . . 33941 1041 1 From from IN 33941 1041 2 the the DT 33941 1041 3 results result NNS 33941 1041 4 obtained obtain VBN 33941 1041 5 , , , 33941 1041 6 a a DT 33941 1041 7 table table NN 33941 1041 8 of of IN 33941 1041 9 corrections correction NNS 33941 1041 10 for for IN 33941 1041 11 the the DT 33941 1041 12 thermometer thermometer NN 33941 1041 13 should should MD 33941 1041 14 be be VB 33941 1041 15 prepared prepare VBN 33941 1041 16 . . . 33941 1042 1 It -PRON- PRP 33941 1042 2 is be VBZ 33941 1042 3 sometimes sometimes RB 33941 1042 4 necessary necessary JJ 33941 1042 5 to to TO 33941 1042 6 join join VB 33941 1042 7 soda soda NN 33941 1042 8 glass glass NN 33941 1042 9 to to TO 33941 1042 10 lead lead VB 33941 1042 11 glass glass NN 33941 1042 12 . . . 33941 1043 1 In in IN 33941 1043 2 this this DT 33941 1043 3 case case NN 33941 1043 4 the the DT 33941 1043 5 edge edge NN 33941 1043 6 of of IN 33941 1043 7 the the DT 33941 1043 8 lead lead JJ 33941 1043 9 glass glass NN 33941 1043 10 tube tube NN 33941 1043 11 may may MD 33941 1043 12 be be VB 33941 1043 13 bordered border VBN 33941 1043 14 with with IN 33941 1043 15 white white JJ 33941 1043 16 enamel enamel NNP 33941 1043 17 before before IN 33941 1043 18 making make VBG 33941 1043 19 the the DT 33941 1043 20 joint joint NN 33941 1043 21 . . . 33941 1044 1 Enough enough JJ 33941 1044 2 enamel enamel NN 33941 1044 3 must must MD 33941 1044 4 be be VB 33941 1044 5 used use VBN 33941 1044 6 to to TO 33941 1044 7 prevent prevent VB 33941 1044 8 the the DT 33941 1044 9 lead lead NN 33941 1044 10 and and CC 33941 1044 11 soda soda NN 33941 1044 12 glasses glass NNS 33941 1044 13 from from IN 33941 1044 14 mingling mingle VBG 33941 1044 15 at at IN 33941 1044 16 any any DT 33941 1044 17 point point NN 33941 1044 18 . . . 33941 1045 1 The the DT 33941 1045 2 enamel enamel NN 33941 1045 3 is be VBZ 33941 1045 4 easily easily RB 33941 1045 5 reduced reduce VBN 33941 1045 6 , , , 33941 1045 7 and and CC 33941 1045 8 must must MD 33941 1045 9 be be VB 33941 1045 10 heated heat VBN 33941 1045 11 in in IN 33941 1045 12 the the DT 33941 1045 13 oxidising oxidising JJ 33941 1045 14 flame flame NN 33941 1045 15 . . . 33941 1046 1 Dr. Dr. NNP 33941 1046 2 Ebert Ebert NNP 33941 1046 3 recommends recommend VBZ 33941 1046 4 _ _ NNP 33941 1046 5 Verre Verre NNP 33941 1046 6 d'urane d'urane NNP 33941 1046 7 _ _ NNP 33941 1046 8 for for IN 33941 1046 9 this this DT 33941 1046 10 purpose purpose NN 33941 1046 11 . . . 33941 1047 1 It -PRON- PRP 33941 1047 2 is be VBZ 33941 1047 3 supplied supply VBN 33941 1047 4 by by IN 33941 1047 5 Herr Herr NNP 33941 1047 6 Götze Götze NNP 33941 1047 7 of of IN 33941 1047 8 Leipzig Leipzig NNP 33941 1047 9 ( ( -LRB- 33941 1047 10 Liebigstrasse Liebigstrasse NNP 33941 1047 11 ) ) -RRB- 33941 1047 12 . . . 33941 1048 1 CHAPTER CHAPTER NNP 33941 1048 2 VI VI NNP 33941 1048 3 . . . 33941 1049 1 _ _ NNP 33941 1049 2 GLASS GLASS NNP 33941 1049 3 TUBING TUBING NNP 33941 1049 4 . . . 33941 1049 5 _ _ NNP 33941 1049 6 The the DT 33941 1049 7 diagrams diagram NNS 33941 1049 8 given give VBN 33941 1049 9 below below IN 33941 1049 10 show show VB 33941 1049 11 the the DT 33941 1049 12 sizes size NNS 33941 1049 13 and and CC 33941 1049 14 thickness thickness NN 33941 1049 15 of of IN 33941 1049 16 the the DT 33941 1049 17 glass glass NN 33941 1049 18 tubes tube NNS 33941 1049 19 most most RBS 33941 1049 20 frequently frequently RB 33941 1049 21 required require VBN 33941 1049 22 . . . 33941 1050 1 In in IN 33941 1050 2 ordering ordering NN 33941 1050 3 , , , 33941 1050 4 the the DT 33941 1050 5 numbers number NNS 33941 1050 6 of of IN 33941 1050 7 these these DT 33941 1050 8 diagrams diagram NNS 33941 1050 9 may may MD 33941 1050 10 be be VB 33941 1050 11 quoted quote VBN 33941 1050 12 , , , 33941 1050 13 or or CC 33941 1050 14 the the DT 33941 1050 15 exact exact JJ 33941 1050 16 dimensions dimension NNS 33941 1050 17 desired desire VBN 33941 1050 18 may may MD 33941 1050 19 be be VB 33941 1050 20 stated state VBN 33941 1050 21 . . . 33941 1051 1 Glass glass NN 33941 1051 2 tubes tube NNS 33941 1051 3 are be VBP 33941 1051 4 usually usually RB 33941 1051 5 sold sell VBN 33941 1051 6 by by IN 33941 1051 7 weight weight NN 33941 1051 8 , , , 33941 1051 9 and and CC 33941 1051 10 therefore therefore RB 33941 1051 11 the the DT 33941 1051 12 weight weight NN 33941 1051 13 of of IN 33941 1051 14 tube tube NN 33941 1051 15 of of IN 33941 1051 16 each each DT 33941 1051 17 size size NN 33941 1051 18 that that WDT 33941 1051 19 is be VBZ 33941 1051 20 wished wish VBN 33941 1051 21 for for IN 33941 1051 22 should should MD 33941 1051 23 be be VB 33941 1051 24 indicated indicate VBN 33941 1051 25 , , , 33941 1051 26 and and CC 33941 1051 27 also also RB 33941 1051 28 whether whether IN 33941 1051 29 it -PRON- PRP 33941 1051 30 is be VBZ 33941 1051 31 to to TO 33941 1051 32 be be VB 33941 1051 33 of of IN 33941 1051 34 lead lead NN 33941 1051 35 or or CC 33941 1051 36 soda soda NN 33941 1051 37 glass glass NN 33941 1051 38 . . . 33941 1052 1 [ [ -LRB- 33941 1052 2 Illustration illustration NN 33941 1052 3 ] ] -RRB- 33941 1052 4 [ [ -LRB- 33941 1052 5 Illustration illustration NN 33941 1052 6 ] ] -RRB- 33941 1052 7 CHAPTER CHAPTER NNP 33941 1052 8 VII vii NN 33941 1052 9 . . . 33941 1053 1 _ _ NNP 33941 1053 2 VITREOUS VITREOUS NNP 33941 1053 3 SILICA SILICA NNP 33941 1053 4 . . . 33941 1053 5 _ _ NNP 33941 1053 6 = = SYM 33941 1053 7 Introductory.=--Vitreous Introductory.=--Vitreous NNP 33941 1053 8 Silica Silica NNP 33941 1053 9 was be VBD 33941 1053 10 made make VBN 33941 1053 11 in in IN 33941 1053 12 fine fine JJ 33941 1053 13 threads thread NNS 33941 1053 14 by by IN 33941 1053 15 M. M. NNP 33941 1053 16 Gaudin Gaudin NNP 33941 1053 17 in in IN 33941 1053 18 1839,[22 1839,[22 CD 33941 1053 19 ] ] -RRB- 33941 1053 20 and and CC 33941 1053 21 small small JJ 33941 1053 22 tubes tube NNS 33941 1053 23 of of IN 33941 1053 24 it -PRON- PRP 33941 1053 25 were be VBD 33941 1053 26 made make VBN 33941 1053 27 in in IN 33941 1053 28 1869 1869 CD 33941 1053 29 by by IN 33941 1053 30 M. M. NNP 33941 1053 31 A. A. NNP 33941 1053 32 Gautier Gautier NNP 33941 1053 33 , , , 33941 1053 34 but but CC 33941 1053 35 its -PRON- PRP$ 33941 1053 36 remarkable remarkable JJ 33941 1053 37 qualities quality NNS 33941 1053 38 were be VBD 33941 1053 39 not not RB 33941 1053 40 really really RB 33941 1053 41 recognised recognise VBN 33941 1053 42 till till IN 33941 1053 43 1889 1889 CD 33941 1053 44 , , , 33941 1053 45 when when WRB 33941 1053 46 Professor Professor NNP 33941 1053 47 C. C. NNP 33941 1053 48 V. V. NNP 33941 1053 49 Boys Boys NNPS 33941 1053 50 rediscovered rediscover VBD 33941 1053 51 the the DT 33941 1053 52 process process NN 33941 1053 53 of of IN 33941 1053 54 making make VBG 33941 1053 55 small small JJ 33941 1053 56 pieces piece NNS 33941 1053 57 of of IN 33941 1053 58 apparatus apparatus NN 33941 1053 59 of of IN 33941 1053 60 this this DT 33941 1053 61 substance substance NN 33941 1053 62 , , , 33941 1053 63 and and CC 33941 1053 64 used use VBD 33941 1053 65 the the DT 33941 1053 66 torsion torsion NN 33941 1053 67 of of IN 33941 1053 68 " " `` 33941 1053 69 quartz quartz NN 33941 1053 70 fibres fibre NNS 33941 1053 71 " " '' 33941 1053 72 for for IN 33941 1053 73 measuring measure VBG 33941 1053 74 small small JJ 33941 1053 75 forces force NNS 33941 1053 76 . . . 33941 1054 1 More more RBR 33941 1054 2 recently recently RB 33941 1054 3 the the DT 33941 1054 4 author author NN 33941 1054 5 of of IN 33941 1054 6 this this DT 33941 1054 7 book book NN 33941 1054 8 has have VBZ 33941 1054 9 devised devise VBN 33941 1054 10 a a DT 33941 1054 11 process process NN 33941 1054 12 for for IN 33941 1054 13 preventing prevent VBG 33941 1054 14 the the DT 33941 1054 15 " " `` 33941 1054 16 splintering splintering NN 33941 1054 17 " " '' 33941 1054 18 of of IN 33941 1054 19 quartz quartz NN 33941 1054 20 which which WDT 33941 1054 21 gave give VBD 33941 1054 22 so so RB 33941 1054 23 much much JJ 33941 1054 24 trouble trouble NN 33941 1054 25 to to IN 33941 1054 26 the the DT 33941 1054 27 earlier early JJR 33941 1054 28 workers worker NNS 33941 1054 29 , , , 33941 1054 30 and and CC 33941 1054 31 jointly jointly RB 33941 1054 32 with with IN 33941 1054 33 Mr. Mr. NNP 33941 1054 34 H. H. NNP 33941 1054 35 G. G. NNP 33941 1054 36 Lacell Lacell NNP 33941 1054 37 , , , 33941 1054 38 has have VBZ 33941 1054 39 produced produce VBN 33941 1054 40 a a DT 33941 1054 41 variety variety NN 33941 1054 42 of of IN 33941 1054 43 apparatus apparatus NN 33941 1054 44 of of IN 33941 1054 45 much much RB 33941 1054 46 larger large JJR 33941 1054 47 dimensions dimension NNS 33941 1054 48 than than IN 33941 1054 49 had have VBD 33941 1054 50 been be VBN 33941 1054 51 attempted attempt VBN 33941 1054 52 = = SYM 33941 1054 53 previously=. previously=. . 33941 1055 1 At at IN 33941 1055 2 the the DT 33941 1055 3 time time NN 33941 1055 4 of of IN 33941 1055 5 writing writing NN 33941 1055 6 we -PRON- PRP 33941 1055 7 can can MD 33941 1055 8 produce produce VB 33941 1055 9 by by IN 33941 1055 10 the the DT 33941 1055 11 processes process NNS 33941 1055 12 described describe VBN 33941 1055 13 in in IN 33941 1055 14 the the DT 33941 1055 15 following follow VBG 33941 1055 16 pages page NNS 33941 1055 17 tubes tube NNS 33941 1055 18 1 1 CD 33941 1055 19 to to IN 33941 1055 20 1·5 1·5 NNP 33941 1055 21 cm cm NNS 33941 1055 22 . . . 33941 1056 1 in in IN 33941 1056 2 diameter diameter NN 33941 1056 3 and and CC 33941 1056 4 about about RB 33941 1056 5 750 750 CD 33941 1056 6 cm cm NNS 33941 1056 7 . . . 33941 1057 1 in in IN 33941 1057 2 length length NN 33941 1057 3 , , , 33941 1057 4 globes globe NNS 33941 1057 5 or or CC 33941 1057 6 flasks flask NNS 33941 1057 7 capable capable JJ 33941 1057 8 of of IN 33941 1057 9 containing contain VBG 33941 1057 10 about about IN 33941 1057 11 50 50 CD 33941 1057 12 cc cc NNP 33941 1057 13 . . NNP 33941 1057 14 , , , 33941 1057 15 masses masse NNS 33941 1057 16 of of IN 33941 1057 17 vitreous vitreous JJ 33941 1057 18 silica silica NN 33941 1057 19 weighing weigh VBG 33941 1057 20 100 100 CD 33941 1057 21 grams gram NNS 33941 1057 22 or or CC 33941 1057 23 more more JJR 33941 1057 24 , , , 33941 1057 25 and and CC 33941 1057 26 a a DT 33941 1057 27 variety variety NN 33941 1057 28 of of IN 33941 1057 29 other other JJ 33941 1057 30 apparatus apparatus NN 33941 1057 31 . . . 33941 1058 1 [ [ -LRB- 33941 1058 2 22 22 CD 33941 1058 3 ] ] -RRB- 33941 1058 4 A a DT 33941 1058 5 brief brief JJ 33941 1058 6 summary summary NN 33941 1058 7 of of IN 33941 1058 8 the the DT 33941 1058 9 history history NN 33941 1058 10 of of IN 33941 1058 11 this this DT 33941 1058 12 subject subject NN 33941 1058 13 will will MD 33941 1058 14 be be VB 33941 1058 15 found find VBN 33941 1058 16 in in IN 33941 1058 17 _ _ NNP 33941 1058 18 Nature Nature NNP 33941 1058 19 _ _ NNP 33941 1058 20 , , , 33941 1058 21 Vol Vol NNP 33941 1058 22 . . . 33941 1059 1 62 62 CD 33941 1059 2 , , , 33941 1059 3 and and CC 33941 1059 4 in in IN 33941 1059 5 the the DT 33941 1059 6 Proceedings Proceedings NNP 33941 1059 7 of of IN 33941 1059 8 the the DT 33941 1059 9 Royal Royal NNP 33941 1059 10 Institution Institution NNP 33941 1059 11 , , , 33941 1059 12 1901 1901 CD 33941 1059 13 . . . 33941 1060 1 = = NFP 33941 1060 2 Properties Properties NNP 33941 1060 3 of of IN 33941 1060 4 Vitreous Vitreous NNP 33941 1060 5 Silica.=--For silica.=--for VBP 33941 1060 6 the the DT 33941 1060 7 convenience convenience NN 33941 1060 8 of of IN 33941 1060 9 those those DT 33941 1060 10 who who WP 33941 1060 11 are be VBP 33941 1060 12 not not RB 33941 1060 13 familiar familiar JJ 33941 1060 14 with with IN 33941 1060 15 the the DT 33941 1060 16 literature literature NN 33941 1060 17 of of IN 33941 1060 18 this this DT 33941 1060 19 subject subject NN 33941 1060 20 , , , 33941 1060 21 I -PRON- PRP 33941 1060 22 may may MD 33941 1060 23 commence commence VB 33941 1060 24 this this DT 33941 1060 25 chapter chapter NN 33941 1060 26 with with IN 33941 1060 27 a a DT 33941 1060 28 brief brief JJ 33941 1060 29 account account NN 33941 1060 30 of of IN 33941 1060 31 the the DT 33941 1060 32 properties property NNS 33941 1060 33 and and CC 33941 1060 34 applications application NNS 33941 1060 35 of of IN 33941 1060 36 vitreous vitreous JJ 33941 1060 37 silica silica NN 33941 1060 38 , , , 33941 1060 39 as as RB 33941 1060 40 far far RB 33941 1060 41 as as IN 33941 1060 42 they -PRON- PRP 33941 1060 43 are be VBP 33941 1060 44 at at IN 33941 1060 45 present present JJ 33941 1060 46 ascertained ascertain VBN 33941 1060 47 . . . 33941 1061 1 Vitreous vitreous JJ 33941 1061 2 silica silica NN 33941 1061 3 is be VBZ 33941 1061 4 less less RBR 33941 1061 5 hard hard JJ 33941 1061 6 than than IN 33941 1061 7 chalcedony chalcedony NN 33941 1061 8 , , , 33941 1061 9 but but CC 33941 1061 10 harder hard JJR 33941 1061 11 than than IN 33941 1061 12 felspar felspar NNS 33941 1061 13 . . . 33941 1062 1 Tubes tube NNS 33941 1062 2 and and CC 33941 1062 3 rods rod NNS 33941 1062 4 of of IN 33941 1062 5 it -PRON- PRP 33941 1062 6 can can MD 33941 1062 7 be be VB 33941 1062 8 cut cut VBN 33941 1062 9 with with IN 33941 1062 10 a a DT 33941 1062 11 file file NN 33941 1062 12 or or CC 33941 1062 13 with with IN 33941 1062 14 a a DT 33941 1062 15 piece piece NN 33941 1062 16 of of IN 33941 1062 17 sharpened sharpened JJ 33941 1062 18 and and CC 33941 1062 19 hardened harden VBN 33941 1062 20 steel steel NN 33941 1062 21 , , , 33941 1062 22 and and CC 33941 1062 23 can can MD 33941 1062 24 afterwards afterwards RB 33941 1062 25 be be VB 33941 1062 26 broken break VBN 33941 1062 27 like like IN 33941 1062 28 similar similar JJ 33941 1062 29 articles article NNS 33941 1062 30 of of IN 33941 1062 31 glass glass NN 33941 1062 32 . . . 33941 1063 1 Its -PRON- PRP$ 33941 1063 2 conducting conduct VBG 33941 1063 3 power power NN 33941 1063 4 is be VBZ 33941 1063 5 low low JJ 33941 1063 6 , , , 33941 1063 7 and and CC 33941 1063 8 Mr. Mr. NNP 33941 1064 1 Boys boy NNS 33941 1064 2 has have VBZ 33941 1064 3 shown show VBN 33941 1064 4 that that IN 33941 1064 5 fine fine JJ 33941 1064 6 fibres fibre NNS 33941 1064 7 of of IN 33941 1064 8 silica silica NN 33941 1064 9 insulate insulate VBP 33941 1064 10 remarkably remarkably RB 33941 1064 11 well well RB 33941 1064 12 , , , 33941 1064 13 even even RB 33941 1064 14 in in IN 33941 1064 15 an an DT 33941 1064 16 atmosphere atmosphere NN 33941 1064 17 saturated saturate VBN 33941 1064 18 with with IN 33941 1064 19 moisture moisture NN 33941 1064 20 . . . 33941 1065 1 The the DT 33941 1065 2 insulating insulate VBG 33941 1065 3 qualities quality NNS 33941 1065 4 of of IN 33941 1065 5 tubes tube NNS 33941 1065 6 or or CC 33941 1065 7 rods rod NNS 33941 1065 8 of of IN 33941 1065 9 large large JJ 33941 1065 10 cross cross NN 33941 1065 11 sections section NNS 33941 1065 12 have have VBP 33941 1065 13 not not RB 33941 1065 14 yet yet RB 33941 1065 15 been be VBN 33941 1065 16 fully fully RB 33941 1065 17 tested test VBN 33941 1065 18 ; ; : 33941 1065 19 one one PRP 33941 1065 20 would would MD 33941 1065 21 expect expect VB 33941 1065 22 them -PRON- PRP 33941 1065 23 to to TO 33941 1065 24 give give VB 33941 1065 25 good good JJ 33941 1065 26 results result NNS 33941 1065 27 provided provide VBN 33941 1065 28 that that IN 33941 1065 29 they -PRON- PRP 33941 1065 30 are be VBP 33941 1065 31 kept keep VBN 33941 1065 32 scrupulously scrupulously RB 33941 1065 33 clean clean JJ 33941 1065 34 . . . 33941 1066 1 A a DT 33941 1066 2 silica silica NN 33941 1066 3 rod rod NN 33941 1066 4 which which WDT 33941 1066 5 had have VBD 33941 1066 6 been be VBN 33941 1066 7 much much RB 33941 1066 8 handled handle VBN 33941 1066 9 would would MD 33941 1066 10 probably probably RB 33941 1066 11 insulate insulate VB 33941 1066 12 no no RB 33941 1066 13 better well JJR 33941 1066 14 than than IN 33941 1066 15 one one CD 33941 1066 16 of of IN 33941 1066 17 glass glass NN 33941 1066 18 in in IN 33941 1066 19 a a DT 33941 1066 20 similar similar JJ 33941 1066 21 condition condition NN 33941 1066 22 . . . 33941 1067 1 The the DT 33941 1067 2 density density NN 33941 1067 3 of of IN 33941 1067 4 vitreous vitreous JJ 33941 1067 5 silica silica NN 33941 1067 6 is be VBZ 33941 1067 7 very very RB 33941 1067 8 near near JJ 33941 1067 9 to to IN 33941 1067 10 that that DT 33941 1067 11 of of IN 33941 1067 12 ordinary ordinary JJ 33941 1067 13 amorphous amorphous JJ 33941 1067 14 silica silica NN 33941 1067 15 . . . 33941 1068 1 In in IN 33941 1068 2 the the DT 33941 1068 3 case case NN 33941 1068 4 of of IN 33941 1068 5 a a DT 33941 1068 6 small small JJ 33941 1068 7 rod rod NN 33941 1068 8 not not RB 33941 1068 9 absolutely absolutely RB 33941 1068 10 free free JJ 33941 1068 11 from from IN 33941 1068 12 minute minute NN 33941 1068 13 bubbles bubble NNS 33941 1068 14 it -PRON- PRP 33941 1068 15 was be VBD 33941 1068 16 found find VBN 33941 1068 17 to to TO 33941 1068 18 be be VB 33941 1068 19 2·21 2â·21 CD 33941 1068 20 . . . 33941 1069 1 Vitreous vitreous JJ 33941 1069 2 silica silica NN 33941 1069 3 is be VBZ 33941 1069 4 optically optically RB 33941 1069 5 inactive inactive JJ 33941 1069 6 , , , 33941 1069 7 when when WRB 33941 1069 8 homogeneous homogeneous JJ 33941 1069 9 , , , 33941 1069 10 and and CC 33941 1069 11 is be VBZ 33941 1069 12 highly highly RB 33941 1069 13 transparent transparent JJ 33941 1069 14 to to TO 33941 1069 15 ultraviolet ultraviolet VB 33941 1069 16 radiations radiation NNS 33941 1069 17 . . . 33941 1070 1 The the DT 33941 1070 2 melting melting NN 33941 1070 3 point point NN 33941 1070 4 of of IN 33941 1070 5 vitreous vitreous JJ 33941 1070 6 silica silica NN 33941 1070 7 can can MD 33941 1070 8 not not RB 33941 1070 9 be be VB 33941 1070 10 definitely definitely RB 33941 1070 11 stated state VBN 33941 1070 12 . . . 33941 1071 1 It -PRON- PRP 33941 1071 2 is be VBZ 33941 1071 3 plastic plastic NN 33941 1071 4 over over IN 33941 1071 5 a a DT 33941 1071 6 considerable considerable JJ 33941 1071 7 range range NN 33941 1071 8 of of IN 33941 1071 9 temperature temperature NN 33941 1071 10 . . . 33941 1072 1 Professor Professor NNP 33941 1072 2 Callendar Callendar NNP 33941 1072 3 has have VBZ 33941 1072 4 succeeded succeed VBN 33941 1072 5 in in IN 33941 1072 6 measuring measure VBG 33941 1072 7 the the DT 33941 1072 8 rate rate NN 33941 1072 9 of of IN 33941 1072 10 contraction contraction NN 33941 1072 11 of of IN 33941 1072 12 fine fine JJ 33941 1072 13 rods rod NNS 33941 1072 14 in in IN 33941 1072 15 cooling cool VBG 33941 1072 16 from from IN 33941 1072 17 1200 1200â CD 33941 1072 18 ° ° NNS 33941 1072 19 to to IN 33941 1072 20 1500 1500â CD 33941 1072 21 ° ° NNP 33941 1072 22 C. C. NNP 33941 1072 23 , , , 33941 1072 24 so so IN 33941 1072 25 that that IN 33941 1072 26 its -PRON- PRP$ 33941 1072 27 plasticity plasticity NN 33941 1072 28 must must MD 33941 1072 29 be be VB 33941 1072 30 very very RB 33941 1072 31 slight slight JJ 33941 1072 32 below below IN 33941 1072 33 the the DT 33941 1072 34 latter latter JJ 33941 1072 35 temperature temperature NN 33941 1072 36 . . . 33941 1073 1 If if IN 33941 1073 2 a a DT 33941 1073 3 platinum platinum NN 33941 1073 4 wire wire NN 33941 1073 5 embedded embed VBN 33941 1073 6 in in IN 33941 1073 7 a a DT 33941 1073 8 thick thick JJ 33941 1073 9 silica silica NN 33941 1073 10 tube tube NN 33941 1073 11 be be VB 33941 1073 12 heated heat VBN 33941 1073 13 from from IN 33941 1073 14 without without IN 33941 1073 15 by by IN 33941 1073 16 an an DT 33941 1073 17 oxy oxy JJ 33941 1073 18 - - HYPH 33941 1073 19 hydrogen hydrogen NN 33941 1073 20 flame flame NN 33941 1073 21 the the DT 33941 1073 22 metal metal NN 33941 1073 23 may may MD 33941 1073 24 be be VB 33941 1073 25 melted melt VBN 33941 1073 26 at at IN 33941 1073 27 temperatures temperature NNS 33941 1073 28 at at IN 33941 1073 29 which which WDT 33941 1073 30 the the DT 33941 1073 31 silica silica NN 33941 1073 32 tube tube NN 33941 1073 33 will will MD 33941 1073 34 retain retain VB 33941 1073 35 its -PRON- PRP$ 33941 1073 36 form form NN 33941 1073 37 for for IN 33941 1073 38 a a DT 33941 1073 39 moderate moderate JJ 33941 1073 40 length length NN 33941 1073 41 of of IN 33941 1073 42 time time NN 33941 1073 43 , , , 33941 1073 44 but but CC 33941 1073 45 silica silica NN 33941 1073 46 softens soften VBZ 33941 1073 47 to to IN 33941 1073 48 a a DT 33941 1073 49 marked marked JJ 33941 1073 50 extent extent NN 33941 1073 51 at at IN 33941 1073 52 temperatures temperature NNS 33941 1073 53 a a DT 33941 1073 54 little little JJ 33941 1073 55 above above IN 33941 1073 56 the the DT 33941 1073 57 melting melting NN 33941 1073 58 point point NN 33941 1073 59 of of IN 33941 1073 60 platinum platinum NN 33941 1073 61 . . . 33941 1074 1 It -PRON- PRP 33941 1074 2 has have VBZ 33941 1074 3 been be VBN 33941 1074 4 observed observe VBN 33941 1074 5 by by IN 33941 1074 6 Boys Boys NNPS 33941 1074 7 , , , 33941 1074 8 Callendar Callendar NNP 33941 1074 9 , , , 33941 1074 10 and and CC 33941 1074 11 others other NNS 33941 1074 12 that that WDT 33941 1074 13 fine fine JJ 33941 1074 14 rods rod NNS 33941 1074 15 of of IN 33941 1074 16 silica silica NN 33941 1074 17 , , , 33941 1074 18 and and CC 33941 1074 19 also also RB 33941 1074 20 the the DT 33941 1074 21 so so RB 33941 1074 22 - - HYPH 33941 1074 23 called call VBN 33941 1074 24 " " `` 33941 1074 25 quartz quartz NN 33941 1074 26 fibres fibre NNS 33941 1074 27 , , , 33941 1074 28 " " `` 33941 1074 29 are be VBP 33941 1074 30 apt apt JJ 33941 1074 31 to to TO 33941 1074 32 become become VB 33941 1074 33 brittle brittle JJ 33941 1074 34 after after IN 33941 1074 35 they -PRON- PRP 33941 1074 36 have have VBP 33941 1074 37 been be VBN 33941 1074 38 heated heat VBN 33941 1074 39 to to IN 33941 1074 40 redness redness NN 33941 1074 41 . . . 33941 1075 1 But but CC 33941 1075 2 I -PRON- PRP 33941 1075 3 have have VBP 33941 1075 4 not not RB 33941 1075 5 observed observe VBN 33941 1075 6 this this DT 33941 1075 7 defect defect NN 33941 1075 8 in in IN 33941 1075 9 the the DT 33941 1075 10 case case NN 33941 1075 11 of of IN 33941 1075 12 more more JJR 33941 1075 13 massive massive JJ 33941 1075 14 objects object NNS 33941 1075 15 , , , 33941 1075 16 such such JJ 33941 1075 17 as as IN 33941 1075 18 thick thick JJ 33941 1075 19 rods rod NNS 33941 1075 20 or or CC 33941 1075 21 tubes tube NNS 33941 1075 22 ; ; : 33941 1075 23 and and CC 33941 1075 24 as as IN 33941 1075 25 I -PRON- PRP 33941 1075 26 have have VBP 33941 1075 27 repeatedly repeatedly RB 33941 1075 28 observed observe VBN 33941 1075 29 that that IN 33941 1075 30 mere mere JJ 33941 1075 31 traces trace NNS 33941 1075 32 of of IN 33941 1075 33 basic basic JJ 33941 1075 34 matter matter NN 33941 1075 35 , , , 33941 1075 36 such such JJ 33941 1075 37 as as IN 33941 1075 38 may may MD 33941 1075 39 be be VB 33941 1075 40 conveyed convey VBN 33941 1075 41 by by IN 33941 1075 42 contact contact NN 33941 1075 43 with with IN 33941 1075 44 the the DT 33941 1075 45 hand hand NN 33941 1075 46 , , , 33941 1075 47 seriously seriously RB 33941 1075 48 injure injure VB 33941 1075 49 the the DT 33941 1075 50 surface surface NN 33941 1075 51 of of IN 33941 1075 52 silica silica NN 33941 1075 53 , , , 33941 1075 54 and and CC 33941 1075 55 have have VBP 33941 1075 56 found find VBN 33941 1075 57 that that IN 33941 1075 58 silica silica NN 33941 1075 59 quickly quickly RB 33941 1075 60 becomes become VBZ 33941 1075 61 rotten rotten JJ 33941 1075 62 when when WRB 33941 1075 63 it -PRON- PRP 33941 1075 64 is be VBZ 33941 1075 65 heated heat VBN 33941 1075 66 to to IN 33941 1075 67 about about IN 33941 1075 68 1000 1000â CD 33941 1075 69 ° ° NNS 33941 1075 70 in in IN 33941 1075 71 contact contact NN 33941 1075 72 with with IN 33941 1075 73 an an DT 33941 1075 74 infusible infusible JJ 33941 1075 75 base base NN 33941 1075 76 such such JJ 33941 1075 77 as as IN 33941 1075 78 lime lime NN 33941 1075 79 , , , 33941 1075 80 I -PRON- PRP 33941 1075 81 am be VBP 33941 1075 82 disposed disposed JJ 33941 1075 83 to to TO 33941 1075 84 ascribe ascribe VB 33941 1075 85 the the DT 33941 1075 86 above above RB 33941 1075 87 - - HYPH 33941 1075 88 mentioned mention VBN 33941 1075 89 phenomenon phenomenon NN 33941 1075 90 to to IN 33941 1075 91 chemical chemical NN 33941 1075 92 rather rather RB 33941 1075 93 than than IN 33941 1075 94 to to TO 33941 1075 95 purely purely RB 33941 1075 96 physical physical JJ 33941 1075 97 causes cause NNS 33941 1075 98 . . . 33941 1076 1 [ [ -LRB- 33941 1076 2 23 23 CD 33941 1076 3 ] ] -RRB- 33941 1076 4 It -PRON- PRP 33941 1076 5 is be VBZ 33941 1076 6 certain certain JJ 33941 1076 7 , , , 33941 1076 8 however however RB 33941 1076 9 , , , 33941 1076 10 that that IN 33941 1076 11 silica silica NNP 33941 1076 12 apparatus apparatus NNP 33941 1076 13 must must MD 33941 1076 14 never never RB 33941 1076 15 be be VB 33941 1076 16 too too RB 33941 1076 17 strongly strongly RB 33941 1076 18 heated heated JJ 33941 1076 19 in in IN 33941 1076 20 contact contact NN 33941 1076 21 with with IN 33941 1076 22 basic basic JJ 33941 1076 23 substances substance NNS 33941 1076 24 . . . 33941 1077 1 Silica Silica NNP 33941 1077 2 is be VBZ 33941 1077 3 easily easily RB 33941 1077 4 attacked attack VBN 33941 1077 5 by by IN 33941 1077 6 alkalis alkali NNS 33941 1077 7 and and CC 33941 1077 8 by by IN 33941 1077 9 lime lime NN 33941 1077 10 , , , 33941 1077 11 less less RBR 33941 1077 12 readily readily RB 33941 1077 13 by by IN 33941 1077 14 copper copper NN 33941 1077 15 oxide oxide NN 33941 1077 16 , , , 33941 1077 17 and and CC 33941 1077 18 still still RB 33941 1077 19 less less JJR 33941 1077 20 by by IN 33941 1077 21 iron iron NN 33941 1077 22 oxide oxide NN 33941 1077 23 . . . 33941 1078 1 [ [ -LRB- 33941 1078 2 23 23 CD 33941 1078 3 ] ] -RRB- 33941 1078 4 In in IN 33941 1078 5 a a DT 33941 1078 6 recent recent JJ 33941 1078 7 communication communication NN 33941 1078 8 Professor Professor NNP 33941 1078 9 Callendar Callendar NNP 33941 1078 10 tells tell VBZ 33941 1078 11 me -PRON- PRP 33941 1078 12 that that IN 33941 1078 13 the the DT 33941 1078 14 devitrification devitrification NN 33941 1078 15 commences commence VBZ 33941 1078 16 at at IN 33941 1078 17 the the DT 33941 1078 18 outside outside NN 33941 1078 19 and and CC 33941 1078 20 is be VBZ 33941 1078 21 hastened hasten VBN 33941 1078 22 by by IN 33941 1078 23 particles particle NNS 33941 1078 24 of of IN 33941 1078 25 foreign foreign JJ 33941 1078 26 matter matter NN 33941 1078 27 . . . 33941 1079 1 The the DT 33941 1079 2 rate rate NN 33941 1079 3 of of IN 33941 1079 4 expansion expansion NN 33941 1079 5 of of IN 33941 1079 6 vitreous vitreous JJ 33941 1079 7 silica silica NN 33941 1079 8 has have VBZ 33941 1079 9 been be VBN 33941 1079 10 studied study VBN 33941 1079 11 by by IN 33941 1079 12 H. H. NNP 33941 1079 13 le le NNP 33941 1079 14 Chatelier Chatelier NNP 33941 1079 15 , , , 33941 1079 16 and and CC 33941 1079 17 more more RBR 33941 1079 18 recently recently RB 33941 1079 19 by by IN 33941 1079 20 Callendar Callendar NNP 33941 1079 21 . . . 33941 1080 1 The the DT 33941 1080 2 former former JJ 33941 1080 3 found find VBD 33941 1080 4 its -PRON- PRP$ 33941 1080 5 mean mean JJ 33941 1080 6 coefficient coefficient NN 33941 1080 7 of of IN 33941 1080 8 expansion expansion NN 33941 1080 9 to to TO 33941 1080 10 be be VB 33941 1080 11 0·0000007 0â·0000007 RB 33941 1080 12 between between IN 33941 1080 13 0 0â NN 33941 1080 14 ° ° NNS 33941 1080 15 and and CC 33941 1080 16 10000 10000â CD 33941 1080 17 ° ° NNS 33941 1080 18 ,[24 ,[24 , 33941 1080 19 ] ] -RRB- 33941 1080 20 and and CC 33941 1080 21 that that IN 33941 1080 22 it -PRON- PRP 33941 1080 23 contracted contract VBD 33941 1080 24 when when WRB 33941 1080 25 heated heat VBN 33941 1080 26 above above IN 33941 1080 27 700 700â CD 33941 1080 28 ° ° NNS 33941 1080 29 . . . 33941 1081 1 [ [ -LRB- 33941 1081 2 24 24 CD 33941 1081 3 ] ] -RRB- 33941 1081 4 The the DT 33941 1081 5 silica silica NN 33941 1081 6 blocks block NNS 33941 1081 7 used use VBN 33941 1081 8 were be VBD 33941 1081 9 prepared prepare VBN 33941 1081 10 by by IN 33941 1081 11 fusion fusion NN 33941 1081 12 in in IN 33941 1081 13 an an DT 33941 1081 14 electric electric JJ 33941 1081 15 furnace furnace NN 33941 1081 16 ; ; : 33941 1081 17 it -PRON- PRP 33941 1081 18 is be VBZ 33941 1081 19 therefore therefore RB 33941 1081 20 probable probable JJ 33941 1081 21 that that IN 33941 1081 22 they -PRON- PRP 33941 1081 23 were be VBD 33941 1081 24 not not RB 33941 1081 25 quite quite RB 33941 1081 26 pure pure JJ 33941 1081 27 . . . 33941 1082 1 Professor Professor NNP 33941 1082 2 Callendar Callendar NNP 33941 1082 3 used use VBD 33941 1082 4 rods rod NNS 33941 1082 5 of of IN 33941 1082 6 silica silica NN 33941 1082 7 prepared prepare VBN 33941 1082 8 by by IN 33941 1082 9 the the DT 33941 1082 10 author author NN 33941 1082 11 from from IN 33941 1082 12 " " `` 33941 1082 13 Brazil Brazil NNP 33941 1082 14 crystal crystal NN 33941 1082 15 " " '' 33941 1082 16 ; ; : 33941 1082 17 these these DT 33941 1082 18 were be VBD 33941 1082 19 drawn draw VBN 33941 1082 20 in in IN 33941 1082 21 the the DT 33941 1082 22 oxy oxy JJ 33941 1082 23 - - HYPH 33941 1082 24 gas gas NN 33941 1082 25 flame flame NN 33941 1082 26 and and CC 33941 1082 27 had have VBD 33941 1082 28 never never RB 33941 1082 29 been be VBN 33941 1082 30 heated heat VBN 33941 1082 31 in in IN 33941 1082 32 contact contact NN 33941 1082 33 with with IN 33941 1082 34 solid solid JJ 33941 1082 35 foreign foreign JJ 33941 1082 36 matter matter NN 33941 1082 37 , , , 33941 1082 38 so so IN 33941 1082 39 that that IN 33941 1082 40 they -PRON- PRP 33941 1082 41 consisted consist VBD 33941 1082 42 , , , 33941 1082 43 presumably presumably RB 33941 1082 44 , , , 33941 1082 45 of of IN 33941 1082 46 very very RB 33941 1082 47 pure pure JJ 33941 1082 48 silica silica NN 33941 1082 49 . . . 33941 1083 1 His -PRON- PRP$ 33941 1083 2 results result NNS 33941 1083 3 differ differ VBP 33941 1083 4 in in IN 33941 1083 5 some some DT 33941 1083 6 respects respect NNS 33941 1083 7 from from IN 33941 1083 8 those those DT 33941 1083 9 obtained obtain VBN 33941 1083 10 by by IN 33941 1083 11 Le Le NNP 33941 1083 12 Chatelier Chatelier NNP 33941 1083 13 , , , 33941 1083 14 for for IN 33941 1083 15 he -PRON- PRP 33941 1083 16 finds find VBZ 33941 1083 17 the the DT 33941 1083 18 mean mean JJ 33941 1083 19 coefficient coefficient NN 33941 1083 20 of of IN 33941 1083 21 expansion expansion NN 33941 1083 22 to to TO 33941 1083 23 be be VB 33941 1083 24 only only RB 33941 1083 25 0·00000059 0â·00000059 CD 33941 1083 26 , , , 33941 1083 27 _ _ NNP 33941 1083 28 i.e. i.e. FW 33941 1083 29 _ _ NNP 33941 1083 30 about about RB 33941 1083 31 one one CD 33941 1083 32 seventeenth seventeenth JJ 33941 1083 33 as as RB 33941 1083 34 great great JJ 33941 1083 35 as as IN 33941 1083 36 that that DT 33941 1083 37 of of IN 33941 1083 38 platinum platinum NN 33941 1083 39 . . . 33941 1084 1 Callendar Callendar NNP 33941 1084 2 found find VBD 33941 1084 3 the the DT 33941 1084 4 rods rod NNS 33941 1084 5 of of IN 33941 1084 6 silica silica NNP 33941 1084 7 expanded expand VBD 33941 1084 8 very very RB 33941 1084 9 regularly regularly RB 33941 1084 10 up up IN 33941 1084 11 to to IN 33941 1084 12 1000 1000â CD 33941 1084 13 ° ° NNS 33941 1084 14 but but CC 33941 1084 15 less less RBR 33941 1084 16 regularly regularly RB 33941 1084 17 above above IN 33941 1084 18 that that DT 33941 1084 19 temperature temperature NN 33941 1084 20 . . . 33941 1085 1 Above above IN 33941 1085 2 1200 1200â CD 33941 1085 3 ° ° NNS 33941 1085 4 they -PRON- PRP 33941 1085 5 contracted contract VBD 33941 1085 6 when when WRB 33941 1085 7 heated heat VBN 33941 1085 8 . . . 33941 1086 1 The the DT 33941 1086 2 behaviour behaviour NN 33941 1086 3 of of IN 33941 1086 4 vitreous vitreous JJ 33941 1086 5 silica silica NN 33941 1086 6 under under IN 33941 1086 7 sudden sudden JJ 33941 1086 8 changes change NNS 33941 1086 9 of of IN 33941 1086 10 temperature temperature NN 33941 1086 11 is be VBZ 33941 1086 12 most most RBS 33941 1086 13 remarkable remarkable JJ 33941 1086 14 . . . 33941 1087 1 Large large JJ 33941 1087 2 masses masse NNS 33941 1087 3 of of IN 33941 1087 4 it -PRON- PRP 33941 1087 5 may may MD 33941 1087 6 be be VB 33941 1087 7 plunged plunge VBN 33941 1087 8 suddenly suddenly RB 33941 1087 9 when when WRB 33941 1087 10 cold cold JJ 33941 1087 11 into into IN 33941 1087 12 the the DT 33941 1087 13 oxy oxy JJ 33941 1087 14 - - HYPH 33941 1087 15 gas gas NN 33941 1087 16 flame flame NN 33941 1087 17 , , , 33941 1087 18 and and CC 33941 1087 19 tubes tube NNS 33941 1087 20 or or CC 33941 1087 21 rods rod NNS 33941 1087 22 at at IN 33941 1087 23 a a DT 33941 1087 24 white white JJ 33941 1087 25 heat heat NN 33941 1087 26 may may MD 33941 1087 27 be be VB 33941 1087 28 thrust thrust VBN 33941 1087 29 into into IN 33941 1087 30 cold cold JJ 33941 1087 31 water water NN 33941 1087 32 , , , 33941 1087 33 or or CC 33941 1087 34 even even RB 33941 1087 35 into into IN 33941 1087 36 liquid liquid JJ 33941 1087 37 air air NN 33941 1087 38 , , , 33941 1087 39 with with IN 33941 1087 40 impunity impunity NN 33941 1087 41 . . . 33941 1088 1 As as IN 33941 1088 2 a a DT 33941 1088 3 consequence consequence NN 33941 1088 4 of of IN 33941 1088 5 this this DT 33941 1088 6 , , , 33941 1088 7 it -PRON- PRP 33941 1088 8 is be VBZ 33941 1088 9 in in IN 33941 1088 10 one one CD 33941 1088 11 respect respect NN 33941 1088 12 much much RB 33941 1088 13 more more RBR 33941 1088 14 easily easily RB 33941 1088 15 worked work VBN 33941 1088 16 in in IN 33941 1088 17 the the DT 33941 1088 18 flame flame NN 33941 1088 19 than than IN 33941 1088 20 any any DT 33941 1088 21 form form NN 33941 1088 22 of of IN 33941 1088 23 glass glass NN 33941 1088 24 . . . 33941 1089 1 Difficult difficult JJ 33941 1089 2 joints joint NNS 33941 1089 3 can can MD 33941 1089 4 be be VB 33941 1089 5 thrust thrust VBN 33941 1089 6 suddenly suddenly RB 33941 1089 7 into into IN 33941 1089 8 the the DT 33941 1089 9 flame flame NN 33941 1089 10 , , , 33941 1089 11 or or CC 33941 1089 12 removed remove VBN 33941 1089 13 from from IN 33941 1089 14 it -PRON- PRP 33941 1089 15 , , , 33941 1089 16 at at IN 33941 1089 17 any any DT 33941 1089 18 stage stage NN 33941 1089 19 , , , 33941 1089 20 and and CC 33941 1089 21 they -PRON- PRP 33941 1089 22 may may MD 33941 1089 23 be be VB 33941 1089 24 heated heat VBN 33941 1089 25 unequally unequally RB 33941 1089 26 in in IN 33941 1089 27 different different JJ 33941 1089 28 parts part NNS 33941 1089 29 with with IN 33941 1089 30 impunity impunity NN 33941 1089 31 . . . 33941 1090 1 It -PRON- PRP 33941 1090 2 is be VBZ 33941 1090 3 safe safe JJ 33941 1090 4 to to TO 33941 1090 5 say say VB 33941 1090 6 that that IN 33941 1090 7 joints joint NNS 33941 1090 8 , , , 33941 1090 9 etc etc FW 33941 1090 10 . . FW 33941 1090 11 , , , 33941 1090 12 in in IN 33941 1090 13 silica silica NN 33941 1090 14 never never RB 33941 1090 15 crack crack VB 33941 1090 16 whilst whilst IN 33941 1090 17 one one CD 33941 1090 18 is be VBZ 33941 1090 19 making make VBG 33941 1090 20 them -PRON- PRP 33941 1090 21 nor nor CC 33941 1090 22 during during IN 33941 1090 23 the the DT 33941 1090 24 subsequent subsequent JJ 33941 1090 25 cooling cooling NN 33941 1090 26 . . . 33941 1091 1 They -PRON- PRP 33941 1091 2 may may MD 33941 1091 3 be be VB 33941 1091 4 set set VBN 33941 1091 5 aside aside RB 33941 1091 6 in in IN 33941 1091 7 an an DT 33941 1091 8 unfinished unfinished JJ 33941 1091 9 state state NN 33941 1091 10 and and CC 33941 1091 11 taken take VBN 33941 1091 12 up up RP 33941 1091 13 again again RB 33941 1091 14 without without IN 33941 1091 15 any any DT 33941 1091 16 precautions precaution NNS 33941 1091 17 . . . 33941 1092 1 Therefore therefore RB 33941 1092 2 it -PRON- PRP 33941 1092 3 is be VBZ 33941 1092 4 possible possible JJ 33941 1092 5 for for IN 33941 1092 6 an an DT 33941 1092 7 amateur amateur NN 33941 1092 8 to to TO 33941 1092 9 construct construct VB 33941 1092 10 apparatus apparatus NN 33941 1092 11 in in IN 33941 1092 12 silica silica NN 33941 1092 13 which which WDT 33941 1092 14 he -PRON- PRP 33941 1092 15 would would MD 33941 1092 16 be be VB 33941 1092 17 quite quite RB 33941 1092 18 unable unable JJ 33941 1092 19 to to TO 33941 1092 20 produce produce VB 33941 1092 21 from from IN 33941 1092 22 glass glass NN 33941 1092 23 . . . 33941 1093 1 The the DT 33941 1093 2 behaviour behaviour NN 33941 1093 3 of of IN 33941 1093 4 vitreous vitreous JJ 33941 1093 5 silica silica NN 33941 1093 6 with with IN 33941 1093 7 solvents solvent NNS 33941 1093 8 has have VBZ 33941 1093 9 not not RB 33941 1093 10 yet yet RB 33941 1093 11 been be VBN 33941 1093 12 fully fully RB 33941 1093 13 investigated investigate VBN 33941 1093 14 , , , 33941 1093 15 but but CC 33941 1093 16 Mr. Mr. NNP 33941 1093 17 H. H. NNP 33941 1093 18 G. G. NNP 33941 1093 19 Lacell Lacell NNP 33941 1093 20 has have VBZ 33941 1093 21 this this DT 33941 1093 22 subject subject NN 33941 1093 23 in in IN 33941 1093 24 hand hand NN 33941 1093 25 . . . 33941 1094 1 If if IN 33941 1094 2 it -PRON- PRP 33941 1094 3 behaves behave VBZ 33941 1094 4 like like IN 33941 1094 5 the the DT 33941 1094 6 other other JJ 33941 1094 7 forms form NNS 33941 1094 8 of of IN 33941 1094 9 anhydrous anhydrous JJ 33941 1094 10 silica silica NN 33941 1094 11 it -PRON- PRP 33941 1094 12 will will MD 33941 1094 13 withstand withstand VB 33941 1094 14 the the DT 33941 1094 15 action action NN 33941 1094 16 of of IN 33941 1094 17 all all DT 33941 1094 18 acids acid NNS 33941 1094 19 except except IN 33941 1094 20 hydrofluoric hydrofluoric NN 33941 1094 21 acid acid NN 33941 1094 22 . . . 33941 1095 1 It -PRON- PRP 33941 1095 2 is be VBZ 33941 1095 3 , , , 33941 1095 4 of of IN 33941 1095 5 course course NN 33941 1095 6 , , , 33941 1095 7 very very RB 33941 1095 8 readily readily RB 33941 1095 9 acted act VBN 33941 1095 10 upon upon IN 33941 1095 11 by by IN 33941 1095 12 solutions solution NNS 33941 1095 13 of of IN 33941 1095 14 alkalis alkali NNS 33941 1095 15 and and CC 33941 1095 16 alkaline alkaline NNP 33941 1095 17 salts salt NNS 33941 1095 18 . . . 33941 1096 1 As as IN 33941 1096 2 regards regard VBZ 33941 1096 3 the the DT 33941 1096 4 use use NN 33941 1096 5 of of IN 33941 1096 6 silica silica NN 33941 1096 7 in in IN 33941 1096 8 experiments experiment NNS 33941 1096 9 with with IN 33941 1096 10 gases gas NNS 33941 1096 11 , , , 33941 1096 12 it -PRON- PRP 33941 1096 13 must must MD 33941 1096 14 be be VB 33941 1096 15 remarked remark VBN 33941 1096 16 that that IN 33941 1096 17 vitreous vitreous JJ 33941 1096 18 silica silica NN 33941 1096 19 , , , 33941 1096 20 like like IN 33941 1096 21 platinum platinum NN 33941 1096 22 , , , 33941 1096 23 is be VBZ 33941 1096 24 slightly slightly RB 33941 1096 25 permeable permeable JJ 33941 1096 26 to to IN 33941 1096 27 hydrogen hydrogen NN 33941 1096 28 when when WRB 33941 1096 29 strongly strongly RB 33941 1096 30 heated heat VBD 33941 1096 31 . . . 33941 1097 1 One one CD 33941 1097 2 consequence consequence NN 33941 1097 3 of of IN 33941 1097 4 this this DT 33941 1097 5 is be VBZ 33941 1097 6 that that IN 33941 1097 7 traces trace NNS 33941 1097 8 of of IN 33941 1097 9 moisture moisture NN 33941 1097 10 are be VBP 33941 1097 11 almost almost RB 33941 1097 12 always always RB 33941 1097 13 to to TO 33941 1097 14 be be VB 33941 1097 15 found find VBN 33941 1097 16 inside inside IN 33941 1097 17 recently recently RB 33941 1097 18 - - HYPH 33941 1097 19 made make VBN 33941 1097 20 silica silica NN 33941 1097 21 tubes tube NNS 33941 1097 22 and and CC 33941 1097 23 bulbs bulb NNS 33941 1097 24 , , , 33941 1097 25 however however RB 33941 1097 26 carefully carefully RB 33941 1097 27 we -PRON- PRP 33941 1097 28 may may MD 33941 1097 29 have have VB 33941 1097 30 dried dry VBN 33941 1097 31 the the DT 33941 1097 32 air air NN 33941 1097 33 forced force VBN 33941 1097 34 into into IN 33941 1097 35 them -PRON- PRP 33941 1097 36 during during IN 33941 1097 37 the the DT 33941 1097 38 process process NN 33941 1097 39 of of IN 33941 1097 40 construction construction NN 33941 1097 41 . . . 33941 1098 1 Owing owe VBG 33941 1098 2 to to IN 33941 1098 3 the the DT 33941 1098 4 very very RB 33941 1098 5 low low JJ 33941 1098 6 coefficient coefficient NN 33941 1098 7 of of IN 33941 1098 8 expansion expansion NN 33941 1098 9 of of IN 33941 1098 10 silica silica NN 33941 1098 11 , , , 33941 1098 12 it -PRON- PRP 33941 1098 13 is be VBZ 33941 1098 14 not not RB 33941 1098 15 possible possible JJ 33941 1098 16 to to TO 33941 1098 17 seal seal VB 33941 1098 18 platinum platinum NN 33941 1098 19 wires wire NNS 33941 1098 20 into into IN 33941 1098 21 silica silica NN 33941 1098 22 tubes tube NNS 33941 1098 23 . . . 33941 1099 1 Nor nor CC 33941 1099 2 can can MD 33941 1099 3 platinum platinum NN 33941 1099 4 be be VB 33941 1099 5 cemented cement VBN 33941 1099 6 into into IN 33941 1099 7 the the DT 33941 1099 8 silica silica NN 33941 1099 9 by by IN 33941 1099 10 means mean NNS 33941 1099 11 of of IN 33941 1099 12 arsenic arsenic JJ 33941 1099 13 enamel enamel NNP 33941 1099 14 , , , 33941 1099 15 nor nor CC 33941 1099 16 by by IN 33941 1099 17 any any DT 33941 1099 18 of of IN 33941 1099 19 the the DT 33941 1099 20 softer soft JJR 33941 1099 21 glasses glass NNS 33941 1099 22 used use VBN 33941 1099 23 for for IN 33941 1099 24 such such JJ 33941 1099 25 purposes purpose NNS 33941 1099 26 . . . 33941 1100 1 I -PRON- PRP 33941 1100 2 have have VBP 33941 1100 3 come come VBN 33941 1100 4 near near RB 33941 1100 5 to to IN 33941 1100 6 success success NN 33941 1100 7 by by IN 33941 1100 8 using use VBG 33941 1100 9 kaolin kaolin NNP 33941 1100 10 , , , 33941 1100 11 but but CC 33941 1100 12 the the DT 33941 1100 13 results result NNS 33941 1100 14 with with IN 33941 1100 15 this this DT 33941 1100 16 material material NN 33941 1100 17 do do VBP 33941 1100 18 not not RB 33941 1100 19 afford afford VB 33941 1100 20 a a DT 33941 1100 21 real real JJ 33941 1100 22 solution solution NN 33941 1100 23 of of IN 33941 1100 24 the the DT 33941 1100 25 problem problem NN 33941 1100 26 , , , 33941 1100 27 though though IN 33941 1100 28 they -PRON- PRP 33941 1100 29 may may MD 33941 1100 30 perhaps perhaps RB 33941 1100 31 point point VB 33941 1100 32 to to IN 33941 1100 33 a a DT 33941 1100 34 hopeful hopeful JJ 33941 1100 35 line line NN 33941 1100 36 of of IN 33941 1100 37 attack attack NN 33941 1100 38 . . . 33941 1101 1 Possibly possibly RB 33941 1101 2 platinum platinum NN 33941 1101 3 wires wire NNS 33941 1101 4 might may MD 33941 1101 5 be be VB 33941 1101 6 soldered solder VBN 33941 1101 7 into into IN 33941 1101 8 the the DT 33941 1101 9 tubes tube NNS 33941 1101 10 ( ( -LRB- 33941 1101 11 see see VB 33941 1101 12 _ _ NNP 33941 1101 13 Laboratory Laboratory NNP 33941 1101 14 Arts Arts NNP 33941 1101 15 _ _ NNP 33941 1101 16 , , , 33941 1101 17 R. R. NNP 33941 1101 18 Threlfall Threlfall NNP 33941 1101 19 ) ) -RRB- 33941 1101 20 , , , 33941 1101 21 but but CC 33941 1101 22 this this DT 33941 1101 23 also also RB 33941 1101 24 is be VBZ 33941 1101 25 uncertain uncertain JJ 33941 1101 26 . . . 33941 1102 1 The the DT 33941 1102 2 process process NN 33941 1102 3 of of IN 33941 1102 4 preparing prepare VBG 33941 1102 5 silica silica NN 33941 1102 6 tubes tube NNS 33941 1102 7 , , , 33941 1102 8 etc etc FW 33941 1102 9 . . FW 33941 1102 10 , , , 33941 1102 11 from from IN 33941 1102 12 Lumps Lumps NNP 33941 1102 13 of of IN 33941 1102 14 Brazil Brazil NNP 33941 1102 15 Crystal Crystal NNP 33941 1102 16 may may MD 33941 1102 17 be be VB 33941 1102 18 described describe VBN 33941 1102 19 conveniently conveniently RB 33941 1102 20 under under IN 33941 1102 21 the the DT 33941 1102 22 following follow VBG 33941 1102 23 headings heading NNS 33941 1102 24 . . . 33941 1103 1 I -PRON- PRP 33941 1103 2 describe describe VBP 33941 1103 3 the the DT 33941 1103 4 various various JJ 33941 1103 5 processes process NNS 33941 1103 6 fully fully RB 33941 1103 7 in in IN 33941 1103 8 these these DT 33941 1103 9 pages page NNS 33941 1103 10 , , , 33941 1103 11 as as IN 33941 1103 12 those those DT 33941 1103 13 who who WP 33941 1103 14 are be VBP 33941 1103 15 interested interested JJ 33941 1103 16 in in IN 33941 1103 17 the the DT 33941 1103 18 matter matter NN 33941 1103 19 will will MD 33941 1103 20 probably probably RB 33941 1103 21 wish wish VB 33941 1103 22 to to TO 33941 1103 23 try try VB 33941 1103 24 every every DT 33941 1103 25 part part NN 33941 1103 26 of of IN 33941 1103 27 the the DT 33941 1103 28 process process NN 33941 1103 29 in in IN 33941 1103 30 the the DT 33941 1103 31 first first JJ 33941 1103 32 instance instance NN 33941 1103 33 . . . 33941 1104 1 But but CC 33941 1104 2 I -PRON- PRP 33941 1104 3 may may MD 33941 1104 4 say say VB 33941 1104 5 that that IN 33941 1104 6 in in IN 33941 1104 7 practice practice NN 33941 1104 8 I -PRON- PRP 33941 1104 9 think think VBP 33941 1104 10 almost almost RB 33941 1104 11 every every DT 33941 1104 12 one one NN 33941 1104 13 will will MD 33941 1104 14 find find VB 33941 1104 15 it -PRON- PRP 33941 1104 16 advantageous advantageous JJ 33941 1104 17 to to TO 33941 1104 18 start start VB 33941 1104 19 with with IN 33941 1104 20 purchased purchase VBN 33941 1104 21 silica silica NN 33941 1104 22 tubes tube NNS 33941 1104 23 , , , 33941 1104 24 just just RB 33941 1104 25 as as IN 33941 1104 26 a a DT 33941 1104 27 glass glass NN 33941 1104 28 - - HYPH 33941 1104 29 worker worker NN 33941 1104 30 starts start VBZ 33941 1104 31 with with IN 33941 1104 32 a a DT 33941 1104 33 supply supply NN 33941 1104 34 of of IN 33941 1104 35 purchased purchase VBN 33941 1104 36 glass glass NN 33941 1104 37 tubes tube NNS 33941 1104 38 . . . 33941 1105 1 The the DT 33941 1105 2 manufacturer manufacturer NN 33941 1105 3 can can MD 33941 1105 4 obtain obtain VB 33941 1105 5 his -PRON- PRP$ 33941 1105 6 oxygen oxygen NN 33941 1105 7 at at IN 33941 1105 8 a a DT 33941 1105 9 lower low JJR 33941 1105 10 price price NN 33941 1105 11 than than IN 33941 1105 12 the the DT 33941 1105 13 retail retail JJ 33941 1105 14 purchaser purchaser NN 33941 1105 15 , , , 33941 1105 16 and and CC 33941 1105 17 a a DT 33941 1105 18 workman workman NN 33941 1105 19 who who WP 33941 1105 20 gives give VBZ 33941 1105 21 much much JJ 33941 1105 22 time time NN 33941 1105 23 to to IN 33941 1105 24 such such JJ 33941 1105 25 work work NN 33941 1105 26 can can MD 33941 1105 27 turn turn VB 33941 1105 28 out out RP 33941 1105 29 silica silica NN 33941 1105 30 tube tube NN 33941 1105 31 so so RB 33941 1105 32 much much RB 33941 1105 33 more more RBR 33941 1105 34 quickly quickly RB 33941 1105 35 than than IN 33941 1105 36 an an DT 33941 1105 37 amateur amateur NN 33941 1105 38 , , , 33941 1105 39 that that IN 33941 1105 40 I -PRON- PRP 33941 1105 41 think think VBP 33941 1105 42 it -PRON- PRP 33941 1105 43 will will MD 33941 1105 44 be be VB 33941 1105 45 found find VBN 33941 1105 46 that that IN 33941 1105 47 both both DT 33941 1105 48 time time NN 33941 1105 49 and and CC 33941 1105 50 money money NN 33941 1105 51 can can MD 33941 1105 52 be be VB 33941 1105 53 saved save VBN 33941 1105 54 by by IN 33941 1105 55 purchasing purchase VBG 33941 1105 56 the the DT 33941 1105 57 tube tube NN 33941 1105 58 . . . 33941 1106 1 At at IN 33941 1106 2 the the DT 33941 1106 3 same same JJ 33941 1106 4 time time NN 33941 1106 5 the the DT 33941 1106 6 beginner beginner NN 33941 1106 7 will will MD 33941 1106 8 find find VB 33941 1106 9 it -PRON- PRP 33941 1106 10 worth worth JJ 33941 1106 11 while while IN 33941 1106 12 to to TO 33941 1106 13 learn learn VB 33941 1106 14 and and CC 33941 1106 15 practise practise VB 33941 1106 16 each each DT 33941 1106 17 stage stage NN 33941 1106 18 of of IN 33941 1106 19 the the DT 33941 1106 20 process process NN 33941 1106 21 at at IN 33941 1106 22 first first RB 33941 1106 23 , , , 33941 1106 24 as as IN 33941 1106 25 every every DT 33941 1106 26 part part NN 33941 1106 27 of of IN 33941 1106 28 the the DT 33941 1106 29 work work NN 33941 1106 30 described describe VBN 33941 1106 31 may may MD 33941 1106 32 be be VB 33941 1106 33 useful useful JJ 33941 1106 34 in in IN 33941 1106 35 the the DT 33941 1106 36 production production NN 33941 1106 37 of of IN 33941 1106 38 finished finished JJ 33941 1106 39 apparatus apparatus NN 33941 1106 40 from from IN 33941 1106 41 silica silica NN 33941 1106 42 tubes tube NNS 33941 1106 43 . . . 33941 1107 1 This this DT 33941 1107 2 being be VBG 33941 1107 3 so so RB 33941 1107 4 , , , 33941 1107 5 I -PRON- PRP 33941 1107 6 am be VBP 33941 1107 7 glad glad JJ 33941 1107 8 to to TO 33941 1107 9 be be VB 33941 1107 10 able able JJ 33941 1107 11 to to TO 33941 1107 12 add add VB 33941 1107 13 that that IN 33941 1107 14 a a DT 33941 1107 15 leading lead VBG 33941 1107 16 firm firm NN 33941 1107 17 of of IN 33941 1107 18 dealers dealer NNS 33941 1107 19 in in IN 33941 1107 20 apparatus[25 apparatus[25 NNP 33941 1107 21 ] ] -RRB- 33941 1107 22 has have VBZ 33941 1107 23 commenced commence VBN 33941 1107 24 making make VBG 33941 1107 25 silica silica NN 33941 1107 26 goods good NNS 33941 1107 27 on on IN 33941 1107 28 a a DT 33941 1107 29 commercial commercial JJ 33941 1107 30 scale scale NN 33941 1107 31 , , , 33941 1107 32 so so IN 33941 1107 33 that that IN 33941 1107 34 the the DT 33941 1107 35 new new JJ 33941 1107 36 material material NN 33941 1107 37 is be VBZ 33941 1107 38 now now RB 33941 1107 39 available available JJ 33941 1107 40 for for IN 33941 1107 41 all all PDT 33941 1107 42 those those DT 33941 1107 43 who who WP 33941 1107 44 need need VBP 33941 1107 45 it -PRON- PRP 33941 1107 46 or or CC 33941 1107 47 wish wish VB 33941 1107 48 to to TO 33941 1107 49 examine examine VB 33941 1107 50 its -PRON- PRP$ 33941 1107 51 properties property NNS 33941 1107 52 . . . 33941 1108 1 [ [ -LRB- 33941 1108 2 25 25 CD 33941 1108 3 ] ] -RRB- 33941 1108 4 Messrs. Messrs. NNPS 33941 1108 5 Baird Baird NNP 33941 1108 6 and and CC 33941 1108 7 Tatlock Tatlock NNP 33941 1108 8 . . . 33941 1109 1 = = NFP 33941 1109 2 Preparing prepare VBG 33941 1109 3 non non JJ 33941 1109 4 - - JJ 33941 1109 5 splintering splintering JJ 33941 1109 6 Silica Silica NNP 33941 1109 7 from from IN 33941 1109 8 Brazil Brazil NNP 33941 1109 9 Pebble.=--The pebble.=--the RB 33941 1109 10 best good JJS 33941 1109 11 variety variety NN 33941 1109 12 of of IN 33941 1109 13 native native JJ 33941 1109 14 Silica Silica NNP 33941 1109 15 is be VBZ 33941 1109 16 Brazil Brazil NNP 33941 1109 17 Pebble Pebble NNP 33941 1109 18 , , , 33941 1109 19 which which WDT 33941 1109 20 may may MD 33941 1109 21 be be VB 33941 1109 22 obtained obtain VBN 33941 1109 23 in in IN 33941 1109 24 chips chip NNS 33941 1109 25 or or CC 33941 1109 26 larger large JJR 33941 1109 27 masses masse NNS 33941 1109 28 . . . 33941 1110 1 These these DT 33941 1110 2 should should MD 33941 1110 3 be be VB 33941 1110 4 thoroughly thoroughly RB 33941 1110 5 cleaned clean VBN 33941 1110 6 , , , 33941 1110 7 heated heat VBN 33941 1110 8 in in IN 33941 1110 9 boiling boiling NN 33941 1110 10 water water NN 33941 1110 11 , , , 33941 1110 12 and and CC 33941 1110 13 dropped drop VBD 33941 1110 14 into into IN 33941 1110 15 cold cold JJ 33941 1110 16 water water NN 33941 1110 17 , , , 33941 1110 18 the the DT 33941 1110 19 treatment treatment NN 33941 1110 20 being be VBG 33941 1110 21 repeated repeat VBN 33941 1110 22 till till IN 33941 1110 23 the the DT 33941 1110 24 masses masse NNS 33941 1110 25 have have VBP 33941 1110 26 cracked crack VBN 33941 1110 27 to to IN 33941 1110 28 such such PDT 33941 1110 29 an an DT 33941 1110 30 extent extent NN 33941 1110 31 that that IN 33941 1110 32 they -PRON- PRP 33941 1110 33 may may MD 33941 1110 34 be be VB 33941 1110 35 broken break VBN 33941 1110 36 easily easily RB 33941 1110 37 by by IN 33941 1110 38 blows blow NNS 33941 1110 39 from from IN 33941 1110 40 a a DT 33941 1110 41 clean clean JJ 33941 1110 42 steel steel NN 33941 1110 43 pestle pestle NN 33941 1110 44 or or CC 33941 1110 45 hammer hammer NN 33941 1110 46 . . . 33941 1111 1 The the DT 33941 1111 2 fragments fragment NNS 33941 1111 3 thus thus RB 33941 1111 4 produced produce VBN 33941 1111 5 must must MD 33941 1111 6 be be VB 33941 1111 7 hand hand NN 33941 1111 8 - - HYPH 33941 1111 9 picked pick VBN 33941 1111 10 , , , 33941 1111 11 and and CC 33941 1111 12 those those DT 33941 1111 13 which which WDT 33941 1111 14 are be VBP 33941 1111 15 not not RB 33941 1111 16 perfectly perfectly RB 33941 1111 17 free free JJ 33941 1111 18 from from IN 33941 1111 19 foreign foreign JJ 33941 1111 20 matter matter NN 33941 1111 21 should should MD 33941 1111 22 be be VB 33941 1111 23 rejected reject VBN 33941 1111 24 . . . 33941 1112 1 The the DT 33941 1112 2 pure pure JJ 33941 1112 3 and and CC 33941 1112 4 transparent transparent JJ 33941 1112 5 pieces piece NNS 33941 1112 6 must must MD 33941 1112 7 then then RB 33941 1112 8 be be VB 33941 1112 9 heated heat VBN 33941 1112 10 to to IN 33941 1112 11 a a DT 33941 1112 12 yellow yellow JJ 33941 1112 13 - - HYPH 33941 1112 14 red red JJ 33941 1112 15 heat heat NN 33941 1112 16 in in IN 33941 1112 17 a a DT 33941 1112 18 covered covered JJ 33941 1112 19 platinum platinum NN 33941 1112 20 dish dish NN 33941 1112 21 in in IN 33941 1112 22 a a DT 33941 1112 23 muffle muffle NN 33941 1112 24 or or CC 33941 1112 25 reverberatory reverberatory NN 33941 1112 26 furnace furnace NN 33941 1112 27 and and CC 33941 1112 28 quickly quickly RB 33941 1112 29 plunged plunge VBD 33941 1112 30 into into IN 33941 1112 31 a a DT 33941 1112 32 deep deep JJ 33941 1112 33 clean clean JJ 33941 1112 34 vessel vessel NN 33941 1112 35 containing contain VBG 33941 1112 36 clean clean JJ 33941 1112 37 distilled distilled JJ 33941 1112 38 water water NN 33941 1112 39 ; ; : 33941 1112 40 this this DT 33941 1112 41 process process NN 33941 1112 42 being be VBG 33941 1112 43 repeated repeat VBN 33941 1112 44 , , , 33941 1112 45 if if IN 33941 1112 46 necessary necessary JJ 33941 1112 47 , , , 33941 1112 48 till till IN 33941 1112 49 the the DT 33941 1112 50 product product NN 33941 1112 51 consists consist VBZ 33941 1112 52 of of IN 33941 1112 53 semi semi JJ 33941 1112 54 - - JJ 33941 1112 55 opaque opaque JJ 33941 1112 56 friable friable JJ 33941 1112 57 masses masse NNS 33941 1112 58 , , , 33941 1112 59 very very RB 33941 1112 60 much much RB 33941 1112 61 like like IN 33941 1112 62 a a DT 33941 1112 63 white white JJ 33941 1112 64 enamel enamel NN 33941 1112 65 in in IN 33941 1112 66 appearance appearance NN 33941 1112 67 . . . 33941 1113 1 After after IN 33941 1113 2 these these DT 33941 1113 3 have have VBP 33941 1113 4 been be VBN 33941 1113 5 washed wash VBN 33941 1113 6 with with IN 33941 1113 7 distilled distilled JJ 33941 1113 8 water water NN 33941 1113 9 , , , 33941 1113 10 well well RB 33941 1113 11 drained drain VBD 33941 1113 12 and and CC 33941 1113 13 dried dry VBD 33941 1113 14 , , , 33941 1113 15 they -PRON- PRP 33941 1113 16 may may MD 33941 1113 17 be be VB 33941 1113 18 brought bring VBN 33941 1113 19 into into IN 33941 1113 20 the the DT 33941 1113 21 hottest hot JJS 33941 1113 22 part part NN 33941 1113 23 of of IN 33941 1113 24 an an DT 33941 1113 25 oxy oxy JJ 33941 1113 26 - - HYPH 33941 1113 27 gas gas NN 33941 1113 28 flame flame NN 33941 1113 29 safely safely RB 33941 1113 30 , , , 33941 1113 31 or or CC 33941 1113 32 pressed press VBN 33941 1113 33 suddenly suddenly RB 33941 1113 34 against against IN 33941 1113 35 masses masse NNS 33941 1113 36 of of IN 33941 1113 37 white white JJ 33941 1113 38 hot hot JJ 33941 1113 39 silica silica NN 33941 1113 40 without without IN 33941 1113 41 any any DT 33941 1113 42 preliminary preliminary JJ 33941 1113 43 heating heating NN 33941 1113 44 , , , 33941 1113 45 such such JJ 33941 1113 46 as as IN 33941 1113 47 is be VBZ 33941 1113 48 necessary necessary JJ 33941 1113 49 in in IN 33941 1113 50 the the DT 33941 1113 51 case case NN 33941 1113 52 of of IN 33941 1113 53 natural natural JJ 33941 1113 54 quartz quartz NN 33941 1113 55 . . . 33941 1114 1 Quartz Quartz NNP 33941 1114 2 which which WDT 33941 1114 3 has have VBZ 33941 1114 4 not not RB 33941 1114 5 been be VBN 33941 1114 6 submitted submit VBN 33941 1114 7 to to IN 33941 1114 8 the the DT 33941 1114 9 above above JJ 33941 1114 10 preparatory preparatory JJ 33941 1114 11 process process NN 33941 1114 12 , , , 33941 1114 13 splinters splinter VBZ 33941 1114 14 on on IN 33941 1114 15 contact contact NN 33941 1114 16 with with IN 33941 1114 17 the the DT 33941 1114 18 flame flame NN 33941 1114 19 to to IN 33941 1114 20 such such PDT 33941 1114 21 an an DT 33941 1114 22 extent extent NN 33941 1114 23 that that IN 33941 1114 24 very very RB 33941 1114 25 few few JJ 33941 1114 26 would would MD 33941 1114 27 care care VB 33941 1114 28 to to TO 33941 1114 29 face face VB 33941 1114 30 the the DT 33941 1114 31 trouble trouble NN 33941 1114 32 and and CC 33941 1114 33 expense expense NN 33941 1114 34 of of IN 33941 1114 35 working work VBG 33941 1114 36 with with IN 33941 1114 37 so so RB 33941 1114 38 refractory refractory JJ 33941 1114 39 a a DT 33941 1114 40 material material NN 33941 1114 41 . . . 33941 1115 1 But but CC 33941 1115 2 after after IN 33941 1115 3 the the DT 33941 1115 4 above above JJ 33941 1115 5 treatment treatment NN 33941 1115 6 , , , 33941 1115 7 which which WDT 33941 1115 8 really really RB 33941 1115 9 gives give VBZ 33941 1115 10 little little JJ 33941 1115 11 trouble trouble NN 33941 1115 12 , , , 33941 1115 13 all all PDT 33941 1115 14 the the DT 33941 1115 15 difficulties difficulty NNS 33941 1115 16 which which WDT 33941 1115 17 hampered hamper VBD 33941 1115 18 the the DT 33941 1115 19 pioneer pioneer NN 33941 1115 20 workers worker NNS 33941 1115 21 in in IN 33941 1115 22 silica silica NN 33941 1115 23 disappear disappear VBP 33941 1115 24 as as IN 33941 1115 25 if if IN 33941 1115 26 by by IN 33941 1115 27 magic magic NN 33941 1115 28 . . . 33941 1116 1 = = NFP 33941 1116 2 Apparatus.=--Very Apparatus.=--Very NNP 33941 1116 3 little little JJ 33941 1116 4 special special JJ 33941 1116 5 apparatus apparatus NN 33941 1116 6 need nee MD 33941 1116 7 be be VB 33941 1116 8 provided provide VBN 33941 1116 9 for for IN 33941 1116 10 working work VBG 33941 1116 11 with with IN 33941 1116 12 silica silica NN 33941 1116 13 , , , 33941 1116 14 but but CC 33941 1116 15 it -PRON- PRP 33941 1116 16 is be VBZ 33941 1116 17 absolutely absolutely RB 33941 1116 18 essential essential JJ 33941 1116 19 to to TO 33941 1116 20 protect protect VB 33941 1116 21 the the DT 33941 1116 22 eyes eye NNS 33941 1116 23 with with IN 33941 1116 24 very very RB 33941 1116 25 dark dark JJ 33941 1116 26 glasses glass NNS 33941 1116 27 . . . 33941 1117 1 These these DT 33941 1117 2 should should MD 33941 1117 3 be be VB 33941 1117 4 so so RB 33941 1117 5 dark dark JJ 33941 1117 6 as as IN 33941 1117 7 to to TO 33941 1117 8 render render VB 33941 1117 9 it -PRON- PRP 33941 1117 10 a a DT 33941 1117 11 little little RB 33941 1117 12 difficult difficult JJ 33941 1117 13 to to TO 33941 1117 14 work work VB 33941 1117 15 with with IN 33941 1117 16 them -PRON- PRP 33941 1117 17 at at IN 33941 1117 18 first first RB 33941 1117 19 . . . 33941 1118 1 If if IN 33941 1118 2 long long JJ 33941 1118 3 spells spell NNS 33941 1118 4 of of IN 33941 1118 5 work work NN 33941 1118 6 are be VBP 33941 1118 7 undertaken undertake VBN 33941 1118 8 , , , 33941 1118 9 two two CD 33941 1118 10 pairs pair NNS 33941 1118 11 of of IN 33941 1118 12 spectacles spectacle NNS 33941 1118 13 should should MD 33941 1118 14 be be VB 33941 1118 15 provided provide VBN 33941 1118 16 , , , 33941 1118 17 for for IN 33941 1118 18 the the DT 33941 1118 19 glasses glass NNS 33941 1118 20 quickly quickly RB 33941 1118 21 become become VBP 33941 1118 22 hot hot JJ 33941 1118 23 enough enough RB 33941 1118 24 to to TO 33941 1118 25 cause cause VB 33941 1118 26 great great JJ 33941 1118 27 inconvenience inconvenience NN 33941 1118 28 and and CC 33941 1118 29 even even RB 33941 1118 30 injury injury NN 33941 1118 31 to to IN 33941 1118 32 the the DT 33941 1118 33 eyes eye NNS 33941 1118 34 . . . 33941 1119 1 Almost almost RB 33941 1119 2 any any DT 33941 1119 3 of of IN 33941 1119 4 the the DT 33941 1119 5 available available JJ 33941 1119 6 oxy oxy JJ 33941 1119 7 - - HYPH 33941 1119 8 gas gas NN 33941 1119 9 burners burner NNS 33941 1119 10 may may MD 33941 1119 11 be be VB 33941 1119 12 used use VBN 33941 1119 13 , , , 33941 1119 14 but but CC 33941 1119 15 they -PRON- PRP 33941 1119 16 vary vary VBP 33941 1119 17 considerably considerably RB 33941 1119 18 in in IN 33941 1119 19 efficiency efficiency NN 33941 1119 20 , , , 33941 1119 21 and and CC 33941 1119 22 it -PRON- PRP 33941 1119 23 is be VBZ 33941 1119 24 economical economical JJ 33941 1119 25 to to TO 33941 1119 26 obtain obtain VB 33941 1119 27 a a DT 33941 1119 28 very very RB 33941 1119 29 efficient efficient JJ 33941 1119 30 burner burner NN 33941 1119 31 . . . 33941 1120 1 The the DT 33941 1120 2 ' ' `` 33941 1120 3 blow blow NN 33941 1120 4 - - HYPH 33941 1120 5 through through IN 33941 1120 6 ' ' '' 33941 1120 7 burners burner NNS 33941 1120 8 are be VBP 33941 1120 9 least least JJS 33941 1120 10 satisfactory satisfactory JJ 33941 1120 11 , , , 33941 1120 12 and and CC 33941 1120 13 I -PRON- PRP 33941 1120 14 have have VBP 33941 1120 15 long long RB 33941 1120 16 since since IN 33941 1120 17 abandoned abandon VBN 33941 1120 18 the the DT 33941 1120 19 use use NN 33941 1120 20 of of IN 33941 1120 21 them -PRON- PRP 33941 1120 22 . . . 33941 1121 1 Some some DT 33941 1121 2 of of IN 33941 1121 3 the the DT 33941 1121 4 safety safety NN 33941 1121 5 ' ' `` 33941 1121 6 mixed mix VBN 33941 1121 7 - - HYPH 33941 1121 8 gas gas NN 33941 1121 9 jets jet NNS 33941 1121 10 ' ' '' 33941 1121 11 have have VBP 33941 1121 12 an an DT 33941 1121 13 inconvenient inconvenient JJ 33941 1121 14 trick trick NN 33941 1121 15 of of IN 33941 1121 16 burning burning NN 33941 1121 17 - - HYPH 33941 1121 18 back back RP 33941 1121 19 , , , 33941 1121 20 with with IN 33941 1121 21 sharp sharp JJ 33941 1121 22 explosions explosion NNS 33941 1121 23 , , , 33941 1121 24 which which WDT 33941 1121 25 are be VBP 33941 1121 26 highly highly RB 33941 1121 27 disconcerting disconcerting JJ 33941 1121 28 , , , 33941 1121 29 if if IN 33941 1121 30 the the DT 33941 1121 31 work work NN 33941 1121 32 be be VB 33941 1121 33 brought bring VBN 33941 1121 34 too too RB 33941 1121 35 near near IN 33941 1121 36 the the DT 33941 1121 37 nozzle nozzle NN 33941 1121 38 of of IN 33941 1121 39 the the DT 33941 1121 40 burner burner NN 33941 1121 41 . . . 33941 1122 1 I -PRON- PRP 33941 1122 2 have have VBP 33941 1122 3 found find VBN 33941 1122 4 the the DT 33941 1122 5 patent patent NN 33941 1122 6 burner burner NN 33941 1122 7 of of IN 33941 1122 8 Mr. Mr. NNP 33941 1122 9 Jackson Jackson NNP 33941 1122 10 ( ( -LRB- 33941 1122 11 Brin Brin NNP 33941 1122 12 's 's POS 33941 1122 13 Oxygen Oxygen NNP 33941 1122 14 Company Company NNP 33941 1122 15 , , , 33941 1122 16 Manchester Manchester NNP 33941 1122 17 ) ) -RRB- 33941 1122 18 most most RBS 33941 1122 19 satisfactory satisfactory JJ 33941 1122 20 , , , 33941 1122 21 and and CC 33941 1122 22 it -PRON- PRP 33941 1122 23 offers offer VBZ 33941 1122 24 the the DT 33941 1122 25 advantage advantage NN 33941 1122 26 that that IN 33941 1122 27 several several JJ 33941 1122 28 jets jet NNS 33941 1122 29 can can MD 33941 1122 30 be be VB 33941 1122 31 combined combine VBN 33941 1122 32 in in IN 33941 1122 33 a a DT 33941 1122 34 group group NN 33941 1122 35 easily easily RB 33941 1122 36 and and CC 33941 1122 37 inexpensively inexpensively RB 33941 1122 38 for for IN 33941 1122 39 work work NN 33941 1122 40 on on IN 33941 1122 41 large large JJ 33941 1122 42 apparatus apparatus NN 33941 1122 43 . . . 33941 1123 1 The the DT 33941 1123 2 large large JJ 33941 1123 3 roaring roar VBG 33941 1123 4 flames flame NNS 33941 1123 5 such such JJ 33941 1123 6 as as IN 33941 1123 7 are be VBP 33941 1123 8 used use VBN 33941 1123 9 , , , 33941 1123 10 I -PRON- PRP 33941 1123 11 understand understand VBP 33941 1123 12 , , , 33941 1123 13 for for IN 33941 1123 14 welding weld VBG 33941 1123 15 steel steel NN 33941 1123 16 are be VBP 33941 1123 17 very very RB 33941 1123 18 expensive expensive JJ 33941 1123 19 , , , 33941 1123 20 and and CC 33941 1123 21 not not RB 33941 1123 22 very very RB 33941 1123 23 efficient efficient JJ 33941 1123 24 for for IN 33941 1123 25 the the DT 33941 1123 26 work work NN 33941 1123 27 here here RB 33941 1123 28 described describe VBN 33941 1123 29 . . . 33941 1124 1 = = NFP 33941 1124 2 The the DT 33941 1124 3 method method NN 33941 1124 4 of of IN 33941 1124 5 making make VBG 33941 1124 6 Silica Silica NNP 33941 1124 7 Tubes.=--Before tubes.=--before IN 33941 1124 8 commencing commence VBG 33941 1124 9 to to TO 33941 1124 10 make make VB 33941 1124 11 a a DT 33941 1124 12 tube tube NN 33941 1124 13 a a DT 33941 1124 14 supply supply NN 33941 1124 15 of of IN 33941 1124 16 vitreous vitreous JJ 33941 1124 17 silica silica NN 33941 1124 18 in in IN 33941 1124 19 rods rod NNS 33941 1124 20 about about IN 33941 1124 21 one one CD 33941 1124 22 or or CC 33941 1124 23 two two CD 33941 1124 24 millimetres millimetre NNS 33941 1124 25 in in IN 33941 1124 26 diameter diameter NN 33941 1124 27 must must MD 33941 1124 28 be be VB 33941 1124 29 prepared prepare VBN 33941 1124 30 . . . 33941 1125 1 To to TO 33941 1125 2 make make VB 33941 1125 3 one one CD 33941 1125 4 of of IN 33941 1125 5 these these DT 33941 1125 6 , , , 33941 1125 7 hold hold VBP 33941 1125 8 a a DT 33941 1125 9 fragment fragment NN 33941 1125 10 of of IN 33941 1125 11 the the DT 33941 1125 12 non non JJ 33941 1125 13 - - JJ 33941 1125 14 splintering splintering JJ 33941 1125 15 silica silica NN 33941 1125 16 described describe VBN 33941 1125 17 above above RB 33941 1125 18 in in IN 33941 1125 19 the the DT 33941 1125 20 oxy oxy JJ 33941 1125 21 - - HYPH 33941 1125 22 gas gas NN 33941 1125 23 flame flame NN 33941 1125 24 by by IN 33941 1125 25 means mean NNS 33941 1125 26 of of IN 33941 1125 27 forceps forceps NNPS 33941 1125 28 tipped tip VBD 33941 1125 29 with with IN 33941 1125 30 platinum platinum NN 33941 1125 31 so so IN 33941 1125 32 as as IN 33941 1125 33 to to TO 33941 1125 34 melt melt VB 33941 1125 35 one one CD 33941 1125 36 of of IN 33941 1125 37 its -PRON- PRP$ 33941 1125 38 corners corner NNS 33941 1125 39 , , , 33941 1125 40 press press VB 33941 1125 41 a a DT 33941 1125 42 small small JJ 33941 1125 43 fragment fragment NN 33941 1125 44 of of IN 33941 1125 45 the the DT 33941 1125 46 same same JJ 33941 1125 47 material material NN 33941 1125 48 against against IN 33941 1125 49 the the DT 33941 1125 50 melted melt VBN 33941 1125 51 part part NN 33941 1125 52 till till IN 33941 1125 53 the the DT 33941 1125 54 two two CD 33941 1125 55 adhere adhere NN 33941 1125 56 and and CC 33941 1125 57 heat heat VB 33941 1125 58 it -PRON- PRP 33941 1125 59 from from IN 33941 1125 60 below below IN 33941 1125 61 upwards,[26 upwards,[26 NNP 33941 1125 62 ] ] -RRB- 33941 1125 63 till till IN 33941 1125 64 it -PRON- PRP 33941 1125 65 becomes become VBZ 33941 1125 66 clear clear JJ 33941 1125 67 and and CC 33941 1125 68 vitreous vitreous JJ 33941 1125 69 , , , 33941 1125 70 add add VB 33941 1125 71 a a DT 33941 1125 72 third third JJ 33941 1125 73 fragment fragment NN 33941 1125 74 in in IN 33941 1125 75 a a DT 33941 1125 76 similar similar JJ 33941 1125 77 manner manner NN 33941 1125 78 , , , 33941 1125 79 then then RB 33941 1125 80 a a DT 33941 1125 81 fourth fourth JJ 33941 1125 82 , , , 33941 1125 83 and and CC 33941 1125 84 so so RB 33941 1125 85 on on RB 33941 1125 86 till till IN 33941 1125 87 an an DT 33941 1125 88 irregular irregular JJ 33941 1125 89 rod rod NN 33941 1125 90 has have VBZ 33941 1125 91 been be VBN 33941 1125 92 formed form VBN 33941 1125 93 . . . 33941 1126 1 Finally finally RB 33941 1126 2 re re VB 33941 1126 3 - - NN 33941 1126 4 heat heat VB 33941 1126 5 this this DT 33941 1126 6 rod rod NN 33941 1126 7 in in IN 33941 1126 8 sections section NNS 33941 1126 9 and and CC 33941 1126 10 draw draw VB 33941 1126 11 it -PRON- PRP 33941 1126 12 out out RP 33941 1126 13 whilst whilst IN 33941 1126 14 plastic plastic NN 33941 1126 15 into into IN 33941 1126 16 rods rod NNS 33941 1126 17 or or CC 33941 1126 18 coarse coarse JJ 33941 1126 19 threads thread NNS 33941 1126 20 of of IN 33941 1126 21 the the DT 33941 1126 22 desired desire VBN 33941 1126 23 dimensions dimension NNS 33941 1126 24 . . . 33941 1127 1 If if IN 33941 1127 2 one one CD 33941 1127 3 works work VBZ 33941 1127 4 carefully carefully RB 33941 1127 5 the the DT 33941 1127 6 forceps forceps NNS 33941 1127 7 do do VBP 33941 1127 8 not not RB 33941 1127 9 suffer suffer VB 33941 1127 10 much much RB 33941 1127 11 . . . 33941 1128 1 I -PRON- PRP 33941 1128 2 have have VBP 33941 1128 3 had have VBN 33941 1128 4 one one CD 33941 1128 5 pair pair NN 33941 1128 6 in in IN 33941 1128 7 almost almost RB 33941 1128 8 constant constant JJ 33941 1128 9 use use NN 33941 1128 10 for for IN 33941 1128 11 several several JJ 33941 1128 12 years year NNS 33941 1128 13 ; ; : 33941 1128 14 they -PRON- PRP 33941 1128 15 have have VBP 33941 1128 16 been be VBN 33941 1128 17 used use VBN 33941 1128 18 in in IN 33941 1128 19 the the DT 33941 1128 20 training training NN 33941 1128 21 of of IN 33941 1128 22 five five CD 33941 1128 23 beginners beginner NNS 33941 1128 24 and and CC 33941 1128 25 are be VBP 33941 1128 26 still still RB 33941 1128 27 practically practically RB 33941 1128 28 uninjured uninjured JJ 33941 1128 29 . . . 33941 1129 1 [ [ -LRB- 33941 1129 2 26 26 CD 33941 1129 3 ] ] -RRB- 33941 1129 4 This this DT 33941 1129 5 is be VBZ 33941 1129 6 to to TO 33941 1129 7 avoid avoid VB 33941 1129 8 bubbles bubble NNS 33941 1129 9 in in IN 33941 1129 10 the the DT 33941 1129 11 finished finished JJ 33941 1129 12 glass glass NN 33941 1129 13 . . . 33941 1130 1 The the DT 33941 1130 2 beginner beginner NN 33941 1130 3 should should MD 33941 1130 4 work work VB 33941 1130 5 with with IN 33941 1130 6 a a DT 33941 1130 7 gauge gauge NN 33941 1130 8 and and CC 33941 1130 9 regulator regulator NN 33941 1130 10 on on IN 33941 1130 11 the the DT 33941 1130 12 bottle bottle NN 33941 1130 13 of of IN 33941 1130 14 oxygen oxygen NN 33941 1130 15 , , , 33941 1130 16 and and CC 33941 1130 17 should should MD 33941 1130 18 watch watch VB 33941 1130 19 the the DT 33941 1130 20 consumption consumption NN 33941 1130 21 of of IN 33941 1130 22 oxygen oxygen NN 33941 1130 23 closely closely RB 33941 1130 24 . . . 33941 1131 1 A a DT 33941 1131 2 large large JJ 33941 1131 3 expenditure expenditure NN 33941 1131 4 of of IN 33941 1131 5 oxygen oxygen NN 33941 1131 6 does do VBZ 33941 1131 7 not not RB 33941 1131 8 by by IN 33941 1131 9 any any DT 33941 1131 10 means mean NNS 33941 1131 11 necessarily necessarily RB 33941 1131 12 imply imply VBP 33941 1131 13 a a DT 33941 1131 14 corresponding corresponding JJ 33941 1131 15 output output NN 33941 1131 16 of of IN 33941 1131 17 silica silica NN 33941 1131 18 , , , 33941 1131 19 even even RB 33941 1131 20 by by IN 33941 1131 21 one one CD 33941 1131 22 who who WP 33941 1131 23 has have VBZ 33941 1131 24 mastered master VBN 33941 1131 25 the the DT 33941 1131 26 initial initial JJ 33941 1131 27 difficulties difficulty NNS 33941 1131 28 . . . 33941 1132 1 When when WRB 33941 1132 2 a a DT 33941 1132 3 supply supply NN 33941 1132 4 of of IN 33941 1132 5 the the DT 33941 1132 6 small small JJ 33941 1132 7 rods rod NNS 33941 1132 8 of of IN 33941 1132 9 vitreous vitreous JJ 33941 1132 10 silica silica NN 33941 1132 11 has have VBZ 33941 1132 12 been be VBN 33941 1132 13 provided provide VBN 33941 1132 14 , , , 33941 1132 15 bind bind VB 33941 1132 16 a a DT 33941 1132 17 few few JJ 33941 1132 18 of of IN 33941 1132 19 them -PRON- PRP 33941 1132 20 round round VBP 33941 1132 21 a a DT 33941 1132 22 rod rod NN 33941 1132 23 of of IN 33941 1132 24 platinum platinum NN 33941 1132 25 ( ( -LRB- 33941 1132 26 diameter diameter NN 33941 1132 27 say say VBP 33941 1132 28 , , , 33941 1132 29 1 1 CD 33941 1132 30 mm mm CD 33941 1132 31 . . . 33941 1132 32 ) ) -RRB- 33941 1133 1 by by IN 33941 1133 2 means mean NNS 33941 1133 3 of of IN 33941 1133 4 platinum platinum NN 33941 1133 5 wires wire NNS 33941 1133 6 at at IN 33941 1133 7 the the DT 33941 1133 8 two two CD 33941 1133 9 ends end NNS 33941 1133 10 and and CC 33941 1133 11 heat heat VBP 33941 1133 12 the the DT 33941 1133 13 silica silica NN 33941 1133 14 gradually gradually RB 33941 1133 15 , , , 33941 1133 16 beginning begin VBG 33941 1133 17 at at IN 33941 1133 18 one one CD 33941 1133 19 end end NN 33941 1133 20 after after IN 33941 1133 21 slightly slightly RB 33941 1133 22 withdrawing withdraw VBG 33941 1133 23 the the DT 33941 1133 24 platinum platinum NN 33941 1133 25 core core NN 33941 1133 26 from from IN 33941 1133 27 that that DT 33941 1133 28 end end NN 33941 1133 29 , , , 33941 1133 30 till till IN 33941 1133 31 a a DT 33941 1133 32 rough rough JJ 33941 1133 33 tube tube NN 33941 1133 34 about about RB 33941 1133 35 four four CD 33941 1133 36 or or CC 33941 1133 37 five five CD 33941 1133 38 centimetres centimetre NNS 33941 1133 39 in in IN 33941 1133 40 length length NN 33941 1133 41 has have VBZ 33941 1133 42 been be VBN 33941 1133 43 formed form VBN 33941 1133 44 . . . 33941 1134 1 Close close VB 33941 1134 2 one one CD 33941 1134 3 end end NN 33941 1134 4 of of IN 33941 1134 5 this this DT 33941 1134 6 , , , 33941 1134 7 expand expand VB 33941 1134 8 it -PRON- PRP 33941 1134 9 , , , 33941 1134 10 by by IN 33941 1134 11 blowing blow VBG 33941 1134 12 , , , 33941 1134 13 into into IN 33941 1134 14 a a DT 33941 1134 15 small small JJ 33941 1134 16 bulb bulb NN 33941 1134 17 , , , 33941 1134 18 attach attach VB 33941 1134 19 a a DT 33941 1134 20 silica silica NN 33941 1134 21 rod rod NN 33941 1134 22 to to IN 33941 1134 23 the the DT 33941 1134 24 remote remote JJ 33941 1134 25 end end NN 33941 1134 26 of of IN 33941 1134 27 the the DT 33941 1134 28 bulb bulb NN 33941 1134 29 , , , 33941 1134 30 re re NN 33941 1134 31 - - NN 33941 1134 32 heat heat VBP 33941 1134 33 the the DT 33941 1134 34 bulb bulb NN 33941 1134 35 and and CC 33941 1134 36 draw draw VB 33941 1134 37 it -PRON- PRP 33941 1134 38 out out RP 33941 1134 39 into into IN 33941 1134 40 a a DT 33941 1134 41 fine fine JJ 33941 1134 42 tube tube NN 33941 1134 43 . . . 33941 1135 1 Blow blow VB 33941 1135 2 a a DT 33941 1135 3 fresh fresh JJ 33941 1135 4 bulb bulb NN 33941 1135 5 on on IN 33941 1135 6 one one CD 33941 1135 7 end end NN 33941 1135 8 of of IN 33941 1135 9 this this DT 33941 1135 10 and and CC 33941 1135 11 again again RB 33941 1135 12 draw draw VB 33941 1135 13 it -PRON- PRP 33941 1135 14 out out RP 33941 1135 15 , , , 33941 1135 16 proceeding proceed VBG 33941 1135 17 in in IN 33941 1135 18 this this DT 33941 1135 19 way way NN 33941 1135 20 till till IN 33941 1135 21 you -PRON- PRP 33941 1135 22 have have VBP 33941 1135 23 a a DT 33941 1135 24 tube tube NN 33941 1135 25 about about RB 33941 1135 26 six six CD 33941 1135 27 or or CC 33941 1135 28 eight eight CD 33941 1135 29 centimetres centimetre NNS 33941 1135 30 in in IN 33941 1135 31 length length NN 33941 1135 32 . . . 33941 1136 1 All all DT 33941 1136 2 larger large JJR 33941 1136 3 tubes tube NNS 33941 1136 4 and and CC 33941 1136 5 vessels vessel NNS 33941 1136 6 are be VBP 33941 1136 7 produced produce VBN 33941 1136 8 by by IN 33941 1136 9 developing develop VBG 33941 1136 10 this this DT 33941 1136 11 fine fine JJ 33941 1136 12 tube tube NN 33941 1136 13 suitably suitably RB 33941 1136 14 . . . 33941 1137 1 = = NFP 33941 1137 2 Precautions.=--The precautions.=--the NN 33941 1137 3 following follow VBG 33941 1137 4 points point NNS 33941 1137 5 must must MD 33941 1137 6 be be VB 33941 1137 7 carefully carefully RB 33941 1137 8 kept keep VBN 33941 1137 9 in in IN 33941 1137 10 mind mind NN 33941 1137 11 , , , 33941 1137 12 both both CC 33941 1137 13 during during IN 33941 1137 14 the the DT 33941 1137 15 making making NN 33941 1137 16 of of IN 33941 1137 17 the the DT 33941 1137 18 first first JJ 33941 1137 19 tube tube NN 33941 1137 20 and and CC 33941 1137 21 afterwards:-- afterwards:-- NN 33941 1137 22 ( ( -LRB- 33941 1137 23 1 1 LS 33941 1137 24 ) ) -RRB- 33941 1137 25 The the DT 33941 1137 26 hottest hot JJS 33941 1137 27 spot spot NN 33941 1137 28 in in IN 33941 1137 29 the the DT 33941 1137 30 oxy oxy JJ 33941 1137 31 - - HYPH 33941 1137 32 gas gas NN 33941 1137 33 flame flame NN 33941 1137 34 is be VBZ 33941 1137 35 at at IN 33941 1137 36 a a DT 33941 1137 37 point point NN 33941 1137 38 very very RB 33941 1137 39 near near IN 33941 1137 40 the the DT 33941 1137 41 tip tip NN 33941 1137 42 of of IN 33941 1137 43 the the DT 33941 1137 44 inner inner JJ 33941 1137 45 cone cone NN 33941 1137 46 of of IN 33941 1137 47 the the DT 33941 1137 48 flame flame NN 33941 1137 49 , , , 33941 1137 50 and and CC 33941 1137 51 silica silica NN 33941 1137 52 can can MD 33941 1137 53 be be VB 33941 1137 54 softened soften VBN 33941 1137 55 best well RBS 33941 1137 56 at at IN 33941 1137 57 this this DT 33941 1137 58 hot hot JJ 33941 1137 59 spot spot NN 33941 1137 60 . . . 33941 1138 1 The the DT 33941 1138 2 excellence excellence NN 33941 1138 3 of of IN 33941 1138 4 a a DT 33941 1138 5 burner burner NN 33941 1138 6 does do VBZ 33941 1138 7 not not RB 33941 1138 8 depend depend VB 33941 1138 9 on on IN 33941 1138 10 the the DT 33941 1138 11 size size NN 33941 1138 12 of of IN 33941 1138 13 its -PRON- PRP$ 33941 1138 14 flame flame NN 33941 1138 15 , , , 33941 1138 16 so so RB 33941 1138 17 much much RB 33941 1138 18 as as IN 33941 1138 19 on on IN 33941 1138 20 the the DT 33941 1138 21 temperature temperature NN 33941 1138 22 of of IN 33941 1138 23 its -PRON- PRP$ 33941 1138 24 " " `` 33941 1138 25 hot hot JJ 33941 1138 26 spot spot NN 33941 1138 27 , , , 33941 1138 28 " " '' 33941 1138 29 and and CC 33941 1138 30 the the DT 33941 1138 31 success success NN 33941 1138 32 of of IN 33941 1138 33 the the DT 33941 1138 34 worker worker NN 33941 1138 35 depends depend VBZ 33941 1138 36 on on IN 33941 1138 37 his -PRON- PRP$ 33941 1138 38 skill skill NN 33941 1138 39 in in IN 33941 1138 40 bringing bring VBG 33941 1138 41 his -PRON- PRP$ 33941 1138 42 work work NN 33941 1138 43 exactly exactly RB 33941 1138 44 to to IN 33941 1138 45 this this DT 33941 1138 46 part part NN 33941 1138 47 of of IN 33941 1138 48 the the DT 33941 1138 49 flame flame NN 33941 1138 50 . . . 33941 1139 1 Comparatively comparatively RB 33941 1139 2 large large JJ 33941 1139 3 masses masse NNS 33941 1139 4 of of IN 33941 1139 5 silica silica NN 33941 1139 6 may may MD 33941 1139 7 be be VB 33941 1139 8 softened soften VBN 33941 1139 9 in in IN 33941 1139 10 a a DT 33941 1139 11 comparatively comparatively RB 33941 1139 12 small small JJ 33941 1139 13 jet jet NN 33941 1139 14 if if IN 33941 1139 15 the the DT 33941 1139 16 hot hot JJ 33941 1139 17 spot spot NN 33941 1139 18 is be VBZ 33941 1139 19 properly properly RB 33941 1139 20 utilised utilise VBN 33941 1139 21 . . . 33941 1140 1 ( ( -LRB- 33941 1140 2 2 2 LS 33941 1140 3 ) ) -RRB- 33941 1140 4 Silica silica NN 33941 1140 5 is be VBZ 33941 1140 6 very very RB 33941 1140 7 apt apt JJ 33941 1140 8 to to TO 33941 1140 9 exhibit exhibit VB 33941 1140 10 a a DT 33941 1140 11 phenomenon phenomenon NN 33941 1140 12 resembling resemble VBG 33941 1140 13 devitrification devitrification NN 33941 1140 14 during during IN 33941 1140 15 working work VBG 33941 1140 16 . . . 33941 1141 1 It -PRON- PRP 33941 1141 2 becomes become VBZ 33941 1141 3 covered cover VBN 33941 1141 4 with with IN 33941 1141 5 a a DT 33941 1141 6 white white JJ 33941 1141 7 incrustation incrustation NN 33941 1141 8 , , , 33941 1141 9 which which WDT 33941 1141 10 seems seem VBZ 33941 1141 11 to to TO 33941 1141 12 be be VB 33941 1141 13 comparatively comparatively RB 33941 1141 14 rich rich JJ 33941 1141 15 in in IN 33941 1141 16 alkali alkali JJ 33941 1141 17 . . . 33941 1142 1 [ [ -LRB- 33941 1142 2 27 27 CD 33941 1142 3 ] ] -RRB- 33941 1142 4 This this DT 33941 1142 5 incrustation incrustation NN 33941 1142 6 is be VBZ 33941 1142 7 very very RB 33941 1142 8 easily easily RB 33941 1142 9 removed remove VBN 33941 1142 10 by by IN 33941 1142 11 re re NN 33941 1142 12 - - NN 33941 1142 13 heating heat VBG 33941 1142 14 the the DT 33941 1142 15 whitened whiten VBN 33941 1142 16 surface surface NN 33941 1142 17 , , , 33941 1142 18 provided provide VBD 33941 1142 19 that that IN 33941 1142 20 the the DT 33941 1142 21 material material NN 33941 1142 22 has have VBZ 33941 1142 23 been be VBN 33941 1142 24 kept keep VBN 33941 1142 25 scrupulously scrupulously RB 33941 1142 26 clean clean JJ 33941 1142 27 . . . 33941 1143 1 If if IN 33941 1143 2 the the DT 33941 1143 3 silica silica NN 33941 1143 4 has have VBZ 33941 1143 5 been be VBN 33941 1143 6 brought bring VBN 33941 1143 7 into into IN 33941 1143 8 the the DT 33941 1143 9 flame flame NN 33941 1143 10 when when WRB 33941 1143 11 dusty dusty JJ 33941 1143 12 , , , 33941 1143 13 or or CC 33941 1143 14 even even RB 33941 1143 15 after after IN 33941 1143 16 much much JJ 33941 1143 17 contact contact NN 33941 1143 18 with with IN 33941 1143 19 the the DT 33941 1143 20 hands hand NNS 33941 1143 21 of of IN 33941 1143 22 the the DT 33941 1143 23 operator operator NN 33941 1143 24 , , , 33941 1143 25 its -PRON- PRP$ 33941 1143 26 surface surface NN 33941 1143 27 is be VBZ 33941 1143 28 very very RB 33941 1143 29 apt apt JJ 33941 1143 30 to to TO 33941 1143 31 be be VB 33941 1143 32 permanently permanently RB 33941 1143 33 injured injure VBN 33941 1143 34 . . . 33941 1144 1 _ _ NNP 33941 1144 2 Too too RB 33941 1144 3 much much JJ 33941 1144 4 attention attention NN 33941 1144 5 can can MD 33941 1144 6 not not RB 33941 1144 7 be be VB 33941 1144 8 given give VBN 33941 1144 9 to to IN 33941 1144 10 cleanliness cleanliness NN 33941 1144 11 by by IN 33941 1144 12 the the DT 33941 1144 13 workman workman NN 33941 1144 14 . . . 33941 1144 15 _ _ NNP 33941 1144 16 [ [ -LRB- 33941 1144 17 27 27 CD 33941 1144 18 ] ] -RRB- 33941 1144 19 The the DT 33941 1144 20 rock rock NN 33941 1144 21 crystal crystal NN 33941 1144 22 exhibits exhibit VBZ 33941 1144 23 a a DT 33941 1144 24 yellow yellow JJ 33941 1144 25 flame flame NN 33941 1144 26 when when WRB 33941 1144 27 first first RB 33941 1144 28 heated heat VBN 33941 1144 29 in in IN 33941 1144 30 the the DT 33941 1144 31 oxy oxy JJ 33941 1144 32 - - HYPH 33941 1144 33 gas gas NN 33941 1144 34 flame flame NN 33941 1144 35 , , , 33941 1144 36 and and CC 33941 1144 37 most most JJS 33941 1144 38 samples sample NNS 33941 1144 39 contain contain VBP 33941 1144 40 spectroscopic spectroscopic JJ 33941 1144 41 quantities quantity NNS 33941 1144 42 of of IN 33941 1144 43 lithium lithium NN 33941 1144 44 . . . 33941 1145 1 ( ( -LRB- 33941 1145 2 3 3 LS 33941 1145 3 ) ) -RRB- 33941 1145 4 When when WRB 33941 1145 5 a a DT 33941 1145 6 heated heated JJ 33941 1145 7 tube tube NN 33941 1145 8 or or CC 33941 1145 9 bulb bulb NN 33941 1145 10 of of IN 33941 1145 11 silica silica NNP 33941 1145 12 is be VBZ 33941 1145 13 to to TO 33941 1145 14 be be VB 33941 1145 15 expanded expand VBN 33941 1145 16 by by IN 33941 1145 17 blowing blow VBG 33941 1145 18 , , , 33941 1145 19 it -PRON- PRP 33941 1145 20 is be VBZ 33941 1145 21 best good JJS 33941 1145 22 not not RB 33941 1145 23 to to TO 33941 1145 24 remove remove VB 33941 1145 25 it -PRON- PRP 33941 1145 26 from from IN 33941 1145 27 the the DT 33941 1145 28 flame flame NN 33941 1145 29 , , , 33941 1145 30 for for IN 33941 1145 31 if if IN 33941 1145 32 that that DT 33941 1145 33 is be VBZ 33941 1145 34 done do VBN 33941 1145 35 it -PRON- PRP 33941 1145 36 will will MD 33941 1145 37 lose lose VB 33941 1145 38 its -PRON- PRP$ 33941 1145 39 plasticity plasticity NN 33941 1145 40 quickly quickly RB 33941 1145 41 unless unless IN 33941 1145 42 it -PRON- PRP 33941 1145 43 be be VB 33941 1145 44 large large JJ 33941 1145 45 . . . 33941 1146 1 The the DT 33941 1146 2 better well JJR 33941 1146 3 plan plan NN 33941 1146 4 is be VBZ 33941 1146 5 to to TO 33941 1146 6 move move VB 33941 1146 7 it -PRON- PRP 33941 1146 8 slightly slightly RB 33941 1146 9 from from IN 33941 1146 10 the the DT 33941 1146 11 " " `` 33941 1146 12 hot hot JJ 33941 1146 13 spot spot NN 33941 1146 14 " " '' 33941 1146 15 into into IN 33941 1146 16 the the DT 33941 1146 17 surrounding surround VBG 33941 1146 18 parts part NNS 33941 1146 19 of of IN 33941 1146 20 the the DT 33941 1146 21 flame flame NN 33941 1146 22 at at IN 33941 1146 23 the the DT 33941 1146 24 moment moment NN 33941 1146 25 of of IN 33941 1146 26 blowing blow VBG 33941 1146 27 . . . 33941 1147 1 It -PRON- PRP 33941 1147 2 is be VBZ 33941 1147 3 best good JJS 33941 1147 4 to to TO 33941 1147 5 blow blow VB 33941 1147 6 the the DT 33941 1147 7 bulb bulb NN 33941 1147 8 through through IN 33941 1147 9 an an DT 33941 1147 10 india india NNP 33941 1147 11 - - HYPH 33941 1147 12 rubber rubber NN 33941 1147 13 tube tube NN 33941 1147 14 attached attach VBN 33941 1147 15 to to IN 33941 1147 16 the the DT 33941 1147 17 open open JJ 33941 1147 18 end end NN 33941 1147 19 of of IN 33941 1147 20 the the DT 33941 1147 21 silica silica NN 33941 1147 22 tube tube NN 33941 1147 23 . . . 33941 1148 1 At at IN 33941 1148 2 first first JJ 33941 1148 3 one one CD 33941 1148 4 frequently frequently RB 33941 1148 5 bursts burst VBZ 33941 1148 6 the the DT 33941 1148 7 bulbs bulb NNS 33941 1148 8 when when WRB 33941 1148 9 doing do VBG 33941 1148 10 this this DT 33941 1148 11 , , , 33941 1148 12 but but CC 33941 1148 13 holes hole NNS 33941 1148 14 are be VBP 33941 1148 15 easily easily RB 33941 1148 16 repaired repair VBN 33941 1148 17 by by IN 33941 1148 18 stopping stop VBG 33941 1148 19 them -PRON- PRP 33941 1148 20 with with IN 33941 1148 21 plastic plastic NN 33941 1148 22 silica silica NN 33941 1148 23 applied apply VBN 33941 1148 24 by by IN 33941 1148 25 the the DT 33941 1148 26 softened softened JJ 33941 1148 27 end end NN 33941 1148 28 of of IN 33941 1148 29 a a DT 33941 1148 30 fine fine JJ 33941 1148 31 rod rod NN 33941 1148 32 of of IN 33941 1148 33 silica silica NN 33941 1148 34 and and CC 33941 1148 35 expanding expand VBG 33941 1148 36 the the DT 33941 1148 37 lump lump NN 33941 1148 38 , , , 33941 1148 39 after after IN 33941 1148 40 re re NN 33941 1148 41 - - NN 33941 1148 42 heating heat VBG 33941 1148 43 it -PRON- PRP 33941 1148 44 , , , 33941 1148 45 by by IN 33941 1148 46 blowing blow VBG 33941 1148 47 . . . 33941 1149 1 After after IN 33941 1149 2 a a DT 33941 1149 3 few few JJ 33941 1149 4 hours hour NNS 33941 1149 5 ' ' POS 33941 1149 6 practice practice NN 33941 1149 7 these these DT 33941 1149 8 mishaps mishap NNS 33941 1149 9 gradually gradually RB 33941 1149 10 become become VBP 33941 1149 11 rare rare JJ 33941 1149 12 . . . 33941 1150 1 I -PRON- PRP 33941 1150 2 find find VBP 33941 1150 3 it -PRON- PRP 33941 1150 4 a a DT 33941 1150 5 good good JJ 33941 1150 6 plan plan NN 33941 1150 7 to to TO 33941 1150 8 interpose interpose VB 33941 1150 9 a a DT 33941 1150 10 glass glass NN 33941 1150 11 tube tube NN 33941 1150 12 packed pack VBN 33941 1150 13 with with IN 33941 1150 14 granulated granulate VBN 33941 1150 15 potash potash NN 33941 1150 16 between between IN 33941 1150 17 the the DT 33941 1150 18 mouth mouth NN 33941 1150 19 and and CC 33941 1150 20 the the DT 33941 1150 21 silica silica NN 33941 1150 22 tube tube NN 33941 1150 23 . . . 33941 1151 1 This this DT 33941 1151 2 prevents prevent VBZ 33941 1151 3 the the DT 33941 1151 4 interior interior NN 33941 1151 5 of of IN 33941 1151 6 the the DT 33941 1151 7 tube tube NN 33941 1151 8 from from IN 33941 1151 9 being be VBG 33941 1151 10 soiled soil VBN 33941 1151 11 . . . 33941 1152 1 The the DT 33941 1152 2 purifying purifying NN 33941 1152 3 material material NN 33941 1152 4 must must MD 33941 1152 5 not not RB 33941 1152 6 be be VB 33941 1152 7 packed pack VBN 33941 1152 8 so so RB 33941 1152 9 closely closely RB 33941 1152 10 in in IN 33941 1152 11 the the DT 33941 1152 12 tube tube NN 33941 1152 13 as as IN 33941 1152 14 to to TO 33941 1152 15 prevent prevent VB 33941 1152 16 air air NN 33941 1152 17 from from IN 33941 1152 18 passing pass VBG 33941 1152 19 freely freely RB 33941 1152 20 through through IN 33941 1152 21 it -PRON- PRP 33941 1152 22 under under IN 33941 1152 23 a a DT 33941 1152 24 very very RB 33941 1152 25 low low JJ 33941 1152 26 pressure pressure NN 33941 1152 27 . . . 33941 1153 1 It -PRON- PRP 33941 1153 2 may may MD 33941 1153 3 be be VB 33941 1153 4 mentioned mention VBN 33941 1153 5 here here RB 33941 1153 6 that that IN 33941 1153 7 a a DT 33941 1153 8 finished finished JJ 33941 1153 9 tube tube NN 33941 1153 10 usually usually RB 33941 1153 11 contains contain VBZ 33941 1153 12 a a DT 33941 1153 13 little little JJ 33941 1153 14 moisture moisture NN 33941 1153 15 , , , 33941 1153 16 and and CC 33941 1153 17 a a DT 33941 1153 18 recognisable recognisable JJ 33941 1153 19 quantity quantity NN 33941 1153 20 of of IN 33941 1153 21 nitric nitric JJ 33941 1153 22 peroxide peroxide NN 33941 1153 23 . . . 33941 1154 1 These these DT 33941 1154 2 may may MD 33941 1154 3 be be VB 33941 1154 4 removed remove VBN 33941 1154 5 by by IN 33941 1154 6 heating heat VBG 33941 1154 7 the the DT 33941 1154 8 tube tube NN 33941 1154 9 and and CC 33941 1154 10 drawing draw VBG 33941 1154 11 filtered filter VBN 33941 1154 12 air air NN 33941 1154 13 through through IN 33941 1154 14 it -PRON- PRP 33941 1154 15 , , , 33941 1154 16 but but CC 33941 1154 17 not not RB 33941 1154 18 by by IN 33941 1154 19 washing wash VBG 33941 1154 20 , , , 33941 1154 21 as as IN 33941 1154 22 it -PRON- PRP 33941 1154 23 is be VBZ 33941 1154 24 difficult difficult JJ 33941 1154 25 to to TO 33941 1154 26 obtain obtain VB 33941 1154 27 water water NN 33941 1154 28 which which WDT 33941 1154 29 leaves leave VBZ 33941 1154 30 no no DT 33941 1154 31 residue residue NN 33941 1154 32 on on IN 33941 1154 33 the the DT 33941 1154 34 silica silica NN 33941 1154 35 . . . 33941 1155 1 = = NFP 33941 1155 2 Making make VBG 33941 1155 3 larger large JJR 33941 1155 4 tubes tube NNS 33941 1155 5 and and CC 33941 1155 6 other other JJ 33941 1155 7 apparatus apparatus NN 33941 1155 8 of of IN 33941 1155 9 Silica.=--In Silica.=--In NNP 33941 1155 10 order order NN 33941 1155 11 to to TO 33941 1155 12 convert convert VB 33941 1155 13 a a DT 33941 1155 14 small small JJ 33941 1155 15 bulb bulb NN 33941 1155 16 of of IN 33941 1155 17 silica silica NN 33941 1155 18 into into IN 33941 1155 19 a a DT 33941 1155 20 larger large JJR 33941 1155 21 one one CD 33941 1155 22 or or CC 33941 1155 23 into into IN 33941 1155 24 a a DT 33941 1155 25 large large JJ 33941 1155 26 tube tube NN 33941 1155 27 , , , 33941 1155 28 proceed proceed VBP 33941 1155 29 as as IN 33941 1155 30 follows:--Heat follows:--Heat NNP 33941 1155 31 one one CD 33941 1155 32 end end NN 33941 1155 33 of of IN 33941 1155 34 a a DT 33941 1155 35 fine fine JJ 33941 1155 36 rod rod NN 33941 1155 37 of of IN 33941 1155 38 silica silica NN 33941 1155 39 and and CC 33941 1155 40 apply apply VB 33941 1155 41 it -PRON- PRP 33941 1155 42 to to IN 33941 1155 43 the the DT 33941 1155 44 bulb bulb NN 33941 1155 45 so so IN 33941 1155 46 as as IN 33941 1155 47 to to TO 33941 1155 48 form form VB 33941 1155 49 a a DT 33941 1155 50 ring ring NN 33941 1155 51 as as IN 33941 1155 52 shown show VBN 33941 1155 53 in in IN 33941 1155 54 the the DT 33941 1155 55 figure figure NN 33941 1155 56 . . . 33941 1156 1 Then then RB 33941 1156 2 heat heat VB 33941 1156 3 the the DT 33941 1156 4 ring ring NN 33941 1156 5 and and CC 33941 1156 6 the the DT 33941 1156 7 end end NN 33941 1156 8 of of IN 33941 1156 9 the the DT 33941 1156 10 bulb bulb NN 33941 1156 11 till till IN 33941 1156 12 it -PRON- PRP 33941 1156 13 softens soften VBZ 33941 1156 14 , , , 33941 1156 15 and and CC 33941 1156 16 expand expand VB 33941 1156 17 the the DT 33941 1156 18 end end NN 33941 1156 19 by by IN 33941 1156 20 blowing blow VBG 33941 1156 21 . . . 33941 1157 1 If if IN 33941 1157 2 this this DT 33941 1157 3 process process NN 33941 1157 4 is be VBZ 33941 1157 5 repeated repeat VBN 33941 1157 6 , , , 33941 1157 7 the the DT 33941 1157 8 bulb bulb NN 33941 1157 9 first first RB 33941 1157 10 becomes become VBZ 33941 1157 11 ovate ovate NN 33941 1157 12 and and CC 33941 1157 13 then then RB 33941 1157 14 forms form VBZ 33941 1157 15 a a DT 33941 1157 16 short short JJ 33941 1157 17 tube tube NN 33941 1157 18 which which WDT 33941 1157 19 can can MD 33941 1157 20 be be VB 33941 1157 21 lengthened lengthen VBN 33941 1157 22 at at IN 33941 1157 23 will will NN 33941 1157 24 , , , 33941 1157 25 but but CC 33941 1157 26 the the DT 33941 1157 27 most most RBS 33941 1157 28 convenient convenient JJ 33941 1157 29 way way NN 33941 1157 30 to to TO 33941 1157 31 obtain obtain VB 33941 1157 32 a a DT 33941 1157 33 very very RB 33941 1157 34 long long JJ 33941 1157 35 tube tube NN 33941 1157 36 is be VBZ 33941 1157 37 to to TO 33941 1157 38 make make VB 33941 1157 39 several several JJ 33941 1157 40 shorter short JJR 33941 1157 41 tubes tube NNS 33941 1157 42 of of IN 33941 1157 43 the the DT 33941 1157 44 required require VBN 33941 1157 45 diameter diameter NN 33941 1157 46 , , , 33941 1157 47 and and CC 33941 1157 48 say say VB 33941 1157 49 200 200 CD 33941 1157 50 to to IN 33941 1157 51 250 250 CD 33941 1157 52 mm mm NNS 33941 1157 53 . . . 33941 1158 1 in in IN 33941 1158 2 length length NN 33941 1158 3 , , , 33941 1158 4 and and CC 33941 1158 5 to to TO 33941 1158 6 join join VB 33941 1158 7 these these DT 33941 1158 8 end end NN 33941 1158 9 to to IN 33941 1158 10 end end NN 33941 1158 11 . . . 33941 1159 1 It -PRON- PRP 33941 1159 2 does do VBZ 33941 1159 3 not not RB 33941 1159 4 answer answer VB 33941 1159 5 to to TO 33941 1159 6 add add VB 33941 1159 7 lumps lump NNS 33941 1159 8 of of IN 33941 1159 9 silica silica NN 33941 1159 10 to to IN 33941 1159 11 the the DT 33941 1159 12 end end NN 33941 1159 13 of of IN 33941 1159 14 the the DT 33941 1159 15 bulb bulb NN 33941 1159 16 , , , 33941 1159 17 for for IN 33941 1159 18 the the DT 33941 1159 19 sides side NNS 33941 1159 20 of of IN 33941 1159 21 the the DT 33941 1159 22 tube tube NN 33941 1159 23 made make VBN 33941 1159 24 in in IN 33941 1159 25 this this DT 33941 1159 26 way way NN 33941 1159 27 become become VB 33941 1159 28 too too RB 33941 1159 29 thin thin JJ 33941 1159 30 , , , 33941 1159 31 and and CC 33941 1159 32 blow blow NN 33941 1159 33 - - HYPH 33941 1159 34 holes hole NNS 33941 1159 35 are be VBP 33941 1159 36 constantly constantly RB 33941 1159 37 formed form VBN 33941 1159 38 during during IN 33941 1159 39 the the DT 33941 1159 40 making making NN 33941 1159 41 of of IN 33941 1159 42 them -PRON- PRP 33941 1159 43 . . . 33941 1160 1 These these DT 33941 1160 2 can can MD 33941 1160 3 be be VB 33941 1160 4 mended mend VBN 33941 1160 5 , , , 33941 1160 6 it -PRON- PRP 33941 1160 7 is be VBZ 33941 1160 8 true true JJ 33941 1160 9 , , , 33941 1160 10 but but CC 33941 1160 11 they -PRON- PRP 33941 1160 12 spoil spoil VBP 33941 1160 13 the the DT 33941 1160 14 appearance appearance NN 33941 1160 15 of of IN 33941 1160 16 the the DT 33941 1160 17 work work NN 33941 1160 18 . . . 33941 1161 1 [ [ -LRB- 33941 1161 2 Illustration illustration NN 33941 1161 3 ] ] -RRB- 33941 1161 4 Tubes tube NNS 33941 1161 5 made make VBN 33941 1161 6 in in IN 33941 1161 7 the the DT 33941 1161 8 manner manner NN 33941 1161 9 described describe VBN 33941 1161 10 above above IN 33941 1161 11 are be VBP 33941 1161 12 thickened thicken VBN 33941 1161 13 by by IN 33941 1161 14 adding add VBG 33941 1161 15 rings ring NNS 33941 1161 16 of of IN 33941 1161 17 silica silica NN 33941 1161 18 and and CC 33941 1161 19 blowing blow VBG 33941 1161 20 them -PRON- PRP 33941 1161 21 when when WRB 33941 1161 22 hot hot JJ 33941 1161 23 to to TO 33941 1161 24 spread spread VB 33941 1161 25 the the DT 33941 1161 26 silica silica NN 33941 1161 27 . . . 33941 1162 1 If if IN 33941 1162 2 a a DT 33941 1162 3 combination combination NN 33941 1162 4 of of IN 33941 1162 5 several several JJ 33941 1162 6 jets jet NNS 33941 1162 7 is be VBZ 33941 1162 8 employed employ VBN 33941 1162 9 , , , 33941 1162 10 very very RB 33941 1162 11 large large JJ 33941 1162 12 tubes tube NNS 33941 1162 13 can can MD 33941 1162 14 be be VB 33941 1162 15 constructed construct VBN 33941 1162 16 in in IN 33941 1162 17 this this DT 33941 1162 18 way way NN 33941 1162 19 . . . 33941 1163 1 One one CD 33941 1163 2 of of IN 33941 1163 3 Messrs. Messrs. NNP 33941 1163 4 Baird Baird NNP 33941 1163 5 and and CC 33941 1163 6 Tatlock Tatlock NNP 33941 1163 7 's 's POS 33941 1163 8 workmen workman NNS 33941 1163 9 lately lately RB 33941 1163 10 blew blow VBD 33941 1163 11 a a DT 33941 1163 12 bulb bulb NN 33941 1163 13 about about RB 33941 1163 14 5 5 CD 33941 1163 15 cm cm NNS 33941 1163 16 . . . 33941 1164 1 in in IN 33941 1164 2 diameter diameter NN 33941 1164 3 , , , 33941 1164 4 and and CC 33941 1164 5 it -PRON- PRP 33941 1164 6 was be VBD 33941 1164 7 clear clear JJ 33941 1164 8 that that IN 33941 1164 9 he -PRON- PRP 33941 1164 10 could could MD 33941 1164 11 have have VB 33941 1164 12 converted convert VBN 33941 1164 13 it -PRON- PRP 33941 1164 14 into into IN 33941 1164 15 a a DT 33941 1164 16 long long JJ 33941 1164 17 cylindrical cylindrical JJ 33941 1164 18 tube tube NN 33941 1164 19 of of IN 33941 1164 20 equal equal JJ 33941 1164 21 diameter diameter NN 33941 1164 22 had have VBD 33941 1164 23 it -PRON- PRP 33941 1164 24 been be VBN 33941 1164 25 necessary necessary JJ 33941 1164 26 to to TO 33941 1164 27 do do VB 33941 1164 28 so so RB 33941 1164 29 . . . 33941 1165 1 Very very RB 33941 1165 2 thin thin JJ 33941 1165 3 tubes tube NNS 33941 1165 4 of of IN 33941 1165 5 1·5 1·5 NNP 33941 1165 6 cm cm NNS 33941 1165 7 . . . 33941 1166 1 diameter diameter NN 33941 1166 2 , , , 33941 1166 3 and and CC 33941 1166 4 tubes tube NNS 33941 1166 5 of of IN 33941 1166 6 considerable considerable JJ 33941 1166 7 thickness thickness NN 33941 1166 8 and and CC 33941 1166 9 of of IN 33941 1166 10 equal equal JJ 33941 1166 11 size size NN 33941 1166 12 , , , 33941 1166 13 are be VBP 33941 1166 14 easily easily RB 33941 1166 15 made make VBN 33941 1166 16 after after IN 33941 1166 17 some some DT 33941 1166 18 practice practice NN 33941 1166 19 , , , 33941 1166 20 and and CC 33941 1166 21 fine fine JJ 33941 1166 22 capilliaries capilliarie NNS 33941 1166 23 and and CC 33941 1166 24 millimetre millimetre NN 33941 1166 25 tube tube NN 33941 1166 26 can can MD 33941 1166 27 be be VB 33941 1166 28 made make VBN 33941 1166 29 with with IN 33941 1166 30 about about IN 33941 1166 31 equal equal JJ 33941 1166 32 readiness readiness NN 33941 1166 33 . . . 33941 1167 1 If if IN 33941 1167 2 a a DT 33941 1167 3 very very RB 33941 1167 4 fine fine JJ 33941 1167 5 tube tube NN 33941 1167 6 of of IN 33941 1167 7 even even JJ 33941 1167 8 bore bore NN 33941 1167 9 is be VBZ 33941 1167 10 required require VBN 33941 1167 11 , , , 33941 1167 12 it -PRON- PRP 33941 1167 13 may may MD 33941 1167 14 be be VB 33941 1167 15 drawn draw VBN 33941 1167 16 from from IN 33941 1167 17 a a DT 33941 1167 18 small small JJ 33941 1167 19 thick thick JJ 33941 1167 20 cylinder cylinder NN 33941 1167 21 after after IN 33941 1167 22 a a DT 33941 1167 23 little little JJ 33941 1167 24 practice practice NN 33941 1167 25 . . . 33941 1168 1 When when WRB 33941 1168 2 a a DT 33941 1168 3 tube tube NN 33941 1168 4 becomes become VBZ 33941 1168 5 so so RB 33941 1168 6 large large JJ 33941 1168 7 that that IN 33941 1168 8 it -PRON- PRP 33941 1168 9 can can MD 33941 1168 10 not not RB 33941 1168 11 be be VB 33941 1168 12 heated heat VBN 33941 1168 13 uniformly uniformly RB 33941 1168 14 on on IN 33941 1168 15 all all DT 33941 1168 16 sides side NNS 33941 1168 17 by by IN 33941 1168 18 rotating rotate VBG 33941 1168 19 it -PRON- PRP 33941 1168 20 in in IN 33941 1168 21 the the DT 33941 1168 22 flame flame NN 33941 1168 23 , , , 33941 1168 24 it -PRON- PRP 33941 1168 25 is be VBZ 33941 1168 26 convenient convenient JJ 33941 1168 27 to to TO 33941 1168 28 place place VB 33941 1168 29 a a DT 33941 1168 30 sheet sheet NN 33941 1168 31 of of IN 33941 1168 32 silica silica NN 33941 1168 33 in in IN 33941 1168 34 front front NN 33941 1168 35 of of IN 33941 1168 36 the the DT 33941 1168 37 flame flame NN 33941 1168 38 a a DT 33941 1168 39 little little JJ 33941 1168 40 beyond beyond IN 33941 1168 41 the the DT 33941 1168 42 object object NN 33941 1168 43 to to TO 33941 1168 44 be be VB 33941 1168 45 heated heat VBN 33941 1168 46 , , , 33941 1168 47 in in IN 33941 1168 48 order order NN 33941 1168 49 that that IN 33941 1168 50 the the DT 33941 1168 51 former former JJ 33941 1168 52 may may MD 33941 1168 53 throw throw VB 33941 1168 54 back back RB 33941 1168 55 the the DT 33941 1168 56 flame flame NN 33941 1168 57 on on IN 33941 1168 58 those those DT 33941 1168 59 parts part NNS 33941 1168 60 of of IN 33941 1168 61 the the DT 33941 1168 62 tube tube NN 33941 1168 63 which which WDT 33941 1168 64 are be VBP 33941 1168 65 most most RBS 33941 1168 66 remote remote JJ 33941 1168 67 from from IN 33941 1168 68 the the DT 33941 1168 69 jet jet NN 33941 1168 70 . . . 33941 1169 1 A a DT 33941 1169 2 suitable suitable JJ 33941 1169 3 plate plate NN 33941 1169 4 may may MD 33941 1169 5 be be VB 33941 1169 6 made make VBN 33941 1169 7 by by IN 33941 1169 8 sticking stick VBG 33941 1169 9 together together RB 33941 1169 10 small small JJ 33941 1169 11 lumps lump NNS 33941 1169 12 of of IN 33941 1169 13 silica silica NN 33941 1169 14 rendered render VBN 33941 1169 15 plastic plastic NN 33941 1169 16 by by IN 33941 1169 17 heat heat NN 33941 1169 18 . . . 33941 1170 1 The the DT 33941 1170 2 silica silica NN 33941 1170 3 tubes tube NNS 33941 1170 4 thus thus RB 33941 1170 5 made make VBN 33941 1170 6 can can MD 33941 1170 7 be be VB 33941 1170 8 cut cut VBN 33941 1170 9 and and CC 33941 1170 10 broken break VBN 33941 1170 11 like like IN 33941 1170 12 glass glass NN 33941 1170 13 , , , 33941 1170 14 they -PRON- PRP 33941 1170 15 can can MD 33941 1170 16 be be VB 33941 1170 17 joined join VBN 33941 1170 18 together together RB 33941 1170 19 before before IN 33941 1170 20 the the DT 33941 1170 21 flame flame NN 33941 1170 22 , , , 33941 1170 23 and and CC 33941 1170 24 they -PRON- PRP 33941 1170 25 can can MD 33941 1170 26 also also RB 33941 1170 27 be be VB 33941 1170 28 drawn draw VBN 33941 1170 29 into into IN 33941 1170 30 smaller small JJR 33941 1170 31 tubes tube NNS 33941 1170 32 when when WRB 33941 1170 33 softened soften VBN 33941 1170 34 by by IN 33941 1170 35 heat heat NN 33941 1170 36 . . . 33941 1171 1 In in IN 33941 1171 2 order order NN 33941 1171 3 to to TO 33941 1171 4 make make VB 33941 1171 5 a a DT 33941 1171 6 side side NN 33941 1171 7 connection connection NN 33941 1171 8 as as IN 33941 1171 9 in in IN 33941 1171 10 a a DT 33941 1171 11 T t NN 33941 1171 12 piece piece NN 33941 1171 13 , , , 33941 1171 14 a a DT 33941 1171 15 ring ring NN 33941 1171 16 of of IN 33941 1171 17 silica silica NN 33941 1171 18 should should MD 33941 1171 19 be be VB 33941 1171 20 applied apply VBN 33941 1171 21 to to IN 33941 1171 22 the the DT 33941 1171 23 tube tube NN 33941 1171 24 in in IN 33941 1171 25 the the DT 33941 1171 26 position position NN 33941 1171 27 fixed fix VBN 33941 1171 28 upon upon IN 33941 1171 29 for for IN 33941 1171 30 the the DT 33941 1171 31 joint joint NN 33941 1171 32 . . . 33941 1172 1 This this DT 33941 1172 2 ring ring NN 33941 1172 3 must must MD 33941 1172 4 then then RB 33941 1172 5 be be VB 33941 1172 6 slightly slightly RB 33941 1172 7 expanded expand VBN 33941 1172 8 , , , 33941 1172 9 a a DT 33941 1172 10 new new JJ 33941 1172 11 ring ring NN 33941 1172 12 added add VBD 33941 1172 13 , , , 33941 1172 14 and and CC 33941 1172 15 so so RB 33941 1172 16 on on RB 33941 1172 17 , , , 33941 1172 18 till till IN 33941 1172 19 a a DT 33941 1172 20 short short JJ 33941 1172 21 side side NN 33941 1172 22 tube tube NN 33941 1172 23 is be VBZ 33941 1172 24 formed form VBN 33941 1172 25 . . . 33941 1173 1 To to IN 33941 1173 2 this this DT 33941 1173 3 it -PRON- PRP 33941 1173 4 is be VBZ 33941 1173 5 easy easy JJ 33941 1173 6 to to TO 33941 1173 7 seal seal VB 33941 1173 8 a a DT 33941 1173 9 longer long JJR 33941 1173 10 tube tube NN 33941 1173 11 of of IN 33941 1173 12 the the DT 33941 1173 13 required require VBN 33941 1173 14 dimensions dimension NNS 33941 1173 15 . . . 33941 1174 1 It -PRON- PRP 33941 1174 2 is be VBZ 33941 1174 3 thus thus RB 33941 1174 4 possible possible JJ 33941 1174 5 to to TO 33941 1174 6 produce produce VB 33941 1174 7 Geissler Geissler NNP 33941 1174 8 tubes tube NNS 33941 1174 9 , , , 33941 1174 10 small small JJ 33941 1174 11 distilling distilling JJ 33941 1174 12 flasks flask NNS 33941 1174 13 , , , 33941 1174 14 etc etc FW 33941 1174 15 . . . 33941 1175 1 Solid solid JJ 33941 1175 2 rods rod NNS 33941 1175 3 of of IN 33941 1175 4 silica silica NN 33941 1175 5 are be VBP 33941 1175 6 easily easily RB 33941 1175 7 made make VBN 33941 1175 8 by by IN 33941 1175 9 pressing press VBG 33941 1175 10 together together RB 33941 1175 11 the the DT 33941 1175 12 softened softened JJ 33941 1175 13 ends end NNS 33941 1175 14 of of IN 33941 1175 15 the the DT 33941 1175 16 fine fine JJ 33941 1175 17 rods rod NNS 33941 1175 18 or or CC 33941 1175 19 threads thread NNS 33941 1175 20 previously previously RB 33941 1175 21 mentioned mention VBD 33941 1175 22 . . . 33941 1176 1 Such such JJ 33941 1176 2 rods rod NNS 33941 1176 3 and and CC 33941 1176 4 small small JJ 33941 1176 5 masses masse NNS 33941 1176 6 can can MD 33941 1176 7 be be VB 33941 1176 8 ground grind VBN 33941 1176 9 and and CC 33941 1176 10 polished polish VBN 33941 1176 11 without without IN 33941 1176 12 annealing anneal VBG 33941 1176 13 them -PRON- PRP 33941 1176 14 . . . 33941 1177 1 = = NFP 33941 1177 2 Quartz Quartz NNP 33941 1177 3 Fibres.=--These Fibres.=--These NNPS 33941 1177 4 were be VBD 33941 1177 5 introduced introduce VBN 33941 1177 6 into into IN 33941 1177 7 physical physical JJ 33941 1177 8 work work NN 33941 1177 9 by by IN 33941 1177 10 Mr. Mr. NNP 33941 1178 1 Boys boy NNS 33941 1178 2 in in IN 33941 1178 3 1889 1889 CD 33941 1178 4 . . . 33941 1179 1 They -PRON- PRP 33941 1179 2 may may MD 33941 1179 3 be be VB 33941 1179 4 made make VBN 33941 1179 5 by by IN 33941 1179 6 attaching attach VBG 33941 1179 7 a a DT 33941 1179 8 fine fine JJ 33941 1179 9 rod rod NN 33941 1179 10 of of IN 33941 1179 11 vitrified vitrified JJ 33941 1179 12 quartz quartz NN 33941 1179 13 to to IN 33941 1179 14 the the DT 33941 1179 15 tail tail NN 33941 1179 16 of of IN 33941 1179 17 a a DT 33941 1179 18 small small JJ 33941 1179 19 straw straw NN 33941 1179 20 arrow arrow NN 33941 1179 21 provided provide VBN 33941 1179 22 with with IN 33941 1179 23 a a DT 33941 1179 24 needle needle NN 33941 1179 25 - - HYPH 33941 1179 26 point point NN 33941 1179 27 ; ; : 33941 1179 28 placing place VBG 33941 1179 29 the the DT 33941 1179 30 arrow arrow NN 33941 1179 31 in in IN 33941 1179 32 position position NN 33941 1179 33 on on IN 33941 1179 34 a a DT 33941 1179 35 cross cross NN 33941 1179 36 - - NN 33941 1179 37 bow bow NN 33941 1179 38 , , , 33941 1179 39 heating heat VBG 33941 1179 40 the the DT 33941 1179 41 rod rod NN 33941 1179 42 of of IN 33941 1179 43 silica silica NN 33941 1179 44 till till IN 33941 1179 45 it -PRON- PRP 33941 1179 46 is be VBZ 33941 1179 47 thoroughly thoroughly RB 33941 1179 48 softened soften VBN 33941 1179 49 and and CC 33941 1179 50 then then RB 33941 1179 51 letting let VBG 33941 1179 52 the the DT 33941 1179 53 arrow arrow NN 33941 1179 54 fly fly VB 33941 1179 55 from from IN 33941 1179 56 the the DT 33941 1179 57 bow bow NN 33941 1179 58 , , , 33941 1179 59 when when WRB 33941 1179 60 it -PRON- PRP 33941 1179 61 will will MD 33941 1179 62 carry carry VB 33941 1179 63 with with IN 33941 1179 64 it -PRON- PRP 33941 1179 65 an an DT 33941 1179 66 extremely extremely RB 33941 1179 67 fine fine JJ 33941 1179 68 thread thread NN 33941 1179 69 of of IN 33941 1179 70 silica silica NN 33941 1179 71 . . . 33941 1180 1 A a DT 33941 1180 2 little little JJ 33941 1180 3 practice practice NN 33941 1180 4 is be VBZ 33941 1180 5 necessary necessary JJ 33941 1180 6 to to TO 33941 1180 7 ensure ensure VB 33941 1180 8 success success NN 33941 1180 9 , , , 33941 1180 10 but but CC 33941 1180 11 a a DT 33941 1180 12 good good JJ 33941 1180 13 operator operator NN 33941 1180 14 can can MD 33941 1180 15 produce produce VB 33941 1180 16 threads thread NNS 33941 1180 17 of of IN 33941 1180 18 great great JJ 33941 1180 19 tenacity tenacity NN 33941 1180 20 and and CC 33941 1180 21 great great JJ 33941 1180 22 uniformity uniformity NN 33941 1180 23 . . . 33941 1181 1 Fuller fuller NN 33941 1181 2 accounts account NNS 33941 1181 3 of of IN 33941 1181 4 the the DT 33941 1181 5 process process NN 33941 1181 6 and and CC 33941 1181 7 of of IN 33941 1181 8 the the DT 33941 1181 9 various various JJ 33941 1181 10 properties property NNS 33941 1181 11 and and CC 33941 1181 12 uses use NNS 33941 1181 13 of of IN 33941 1181 14 quartz quartz NN 33941 1181 15 fibres fibre NNS 33941 1181 16 will will MD 33941 1181 17 be be VB 33941 1181 18 found find VBN 33941 1181 19 in in IN 33941 1181 20 Mr. Mr. NNP 33941 1182 1 Boys boy NNS 33941 1182 2 ' ' POS 33941 1182 3 lectures lecture NNS 33941 1182 4 ( ( -LRB- 33941 1182 5 Roy Roy NNP 33941 1182 6 . . . 33941 1183 1 Inst inst RB 33941 1183 2 . . . 33941 1184 1 Proc Proc NNP 33941 1184 2 . . . 33941 1185 1 1889 1889 CD 33941 1185 2 , , , 33941 1185 3 and and CC 33941 1185 4 Proc Proc NNP 33941 1185 5 . . . 33941 1186 1 Brit Brit NNP 33941 1186 2 . . . 33941 1187 1 Assn assn UH 33941 1187 2 . . . 33941 1188 1 1890 1890 CD 33941 1188 2 ) ) -RRB- 33941 1188 3 , , , 33941 1188 4 and and CC 33941 1188 5 in in IN 33941 1188 6 Mr. Mr. NNP 33941 1188 7 Threlfall Threlfall NNP 33941 1188 8 's 's POS 33941 1188 9 Laboratory Laboratory NNP 33941 1188 10 Arts Arts NNP 33941 1188 11 . . . 33941 1189 1 INDEX index NN 33941 1189 2 . . . 33941 1190 1 Air air NN 33941 1190 2 - - HYPH 33941 1190 3 traps trap NNS 33941 1190 4 , , , 33941 1190 5 69 69 CD 33941 1190 6 . . . 33941 1191 1 Annealing annealing NN 33941 1191 2 , , , 33941 1191 3 23 23 CD 33941 1191 4 . . . 33941 1192 1 Apparatus Apparatus NNP 33941 1192 2 needed need VBD 33941 1192 3 for for IN 33941 1192 4 Glass Glass NNP 33941 1192 5 - - HYPH 33941 1192 6 working working NNP 33941 1192 7 , , , 33941 1192 8 11 11 CD 33941 1192 9 . . . 33941 1193 1 Appendix Appendix NNP 33941 1193 2 , , , 33941 1193 3 82 82 CD 33941 1193 4 . . . 33941 1194 1 Beginners beginner NNS 33941 1194 2 , , , 33941 1194 3 Failures failure NNS 33941 1194 4 of of IN 33941 1194 5 , , , 33941 1194 6 22 22 CD 33941 1194 7 . . . 33941 1195 1 Bellows bellow NNS 33941 1195 2 , , , 33941 1195 3 Position position NN 33941 1195 4 of of IN 33941 1195 5 , , , 33941 1195 6 3 3 CD 33941 1195 7 . . . 33941 1196 1 ---- ---- NFP 33941 1196 2 Various various JJ 33941 1196 3 forms form NNS 33941 1196 4 of of IN 33941 1196 5 , , , 33941 1196 6 7 7 CD 33941 1196 7 . . . 33941 1197 1 _ _ NNP 33941 1197 2 See See NNP 33941 1197 3 also also RB 33941 1197 4 _ _ NNP 33941 1197 5 Blower Blower NNP 33941 1197 6 . . . 33941 1198 1 Bending bend VBG 33941 1198 2 Glass Glass NNP 33941 1198 3 Tubes Tubes NNPS 33941 1198 4 , , , 33941 1198 5 28 28 CD 33941 1198 6 . . . 33941 1199 1 Blower blower NN 33941 1199 2 , , , 33941 1199 3 Automatic automatic JJ 33941 1199 4 , , , 33941 1199 5 8 8 CD 33941 1199 6 . . . 33941 1200 1 Blow blow NN 33941 1200 2 - - HYPH 33941 1200 3 pipe pipe NN 33941 1200 4 , , , 33941 1200 5 Cheap cheap JJ 33941 1200 6 form form NN 33941 1200 7 of of IN 33941 1200 8 , , , 33941 1200 9 4 4 CD 33941 1200 10 . . . 33941 1201 1 ---- ---- NFP 33941 1201 2 Dimensions dimension NNS 33941 1201 3 of of IN 33941 1201 4 , , , 33941 1201 5 4 4 CD 33941 1201 6 - - SYM 33941 1201 7 5 5 CD 33941 1201 8 . . . 33941 1202 1 ---- ---- NFP 33941 1202 2 Fletcher Fletcher NNP 33941 1202 3 's 's POS 33941 1202 4 Automaton Automaton NNP 33941 1202 5 , , , 33941 1202 6 6 6 CD 33941 1202 7 . . . 33941 1203 1 ---- ---- NFP 33941 1203 2 Fletcher Fletcher NNP 33941 1203 3 's 's POS 33941 1203 4 Compound Compound NNP 33941 1203 5 , , , 33941 1203 6 6 6 CD 33941 1203 7 . . . 33941 1204 1 ---- ---- NFP 33941 1204 2 Gimmingham Gimmingham NNP 33941 1204 3 's 's POS 33941 1204 4 , , , 33941 1204 5 6 6 CD 33941 1204 6 . . . 33941 1205 1 ---- ---- NFP 33941 1205 2 Herapath Herapath NNP 33941 1205 3 's 's POS 33941 1205 4 , , , 33941 1205 5 6 6 CD 33941 1205 6 . . . 33941 1206 1 ---- ---- NFP 33941 1206 2 Jets jet NNS 33941 1206 3 for for IN 33941 1206 4 the the DT 33941 1206 5 , , , 33941 1206 6 7 7 CD 33941 1206 7 . . . 33941 1207 1 ---- ---- NFP 33941 1207 2 Use Use NNP 33941 1207 3 of of IN 33941 1207 4 the the DT 33941 1207 5 , , , 33941 1207 6 8 8 CD 33941 1207 7 . . . 33941 1208 1 _ _ NNP 33941 1208 2 See See NNP 33941 1208 3 also also RB 33941 1208 4 _ _ NNP 33941 1208 5 Flames Flames NNP 33941 1208 6 . . . 33941 1209 1 Blow blow NN 33941 1209 2 - - HYPH 33941 1209 3 pipes pipe NNS 33941 1209 4 , , , 33941 1209 5 Use Use NNP 33941 1209 6 of of IN 33941 1209 7 several several JJ 33941 1209 8 in in IN 33941 1209 9 combination combination NN 33941 1209 10 , , , 33941 1209 11 21 21 CD 33941 1209 12 . . . 33941 1210 1 Brush Brush NNP 33941 1210 2 Flame Flame NNP 33941 1210 3 , , , 33941 1210 4 9 9 CD 33941 1210 5 . . . 33941 1211 1 ---- ---- NFP 33941 1211 2 Oxidising oxidising JJ 33941 1211 3 , , , 33941 1211 4 20 20 CD 33941 1211 5 . . . 33941 1212 1 Bulbs bulb NNS 33941 1212 2 , , , 33941 1212 3 Methods method NNS 33941 1212 4 of of IN 33941 1212 5 blowing blow VBG 33941 1212 6 , , , 33941 1212 7 47 47 CD 33941 1212 8 . . . 33941 1213 1 Calibrating Calibrating NNP 33941 1213 2 Apparatus Apparatus NNP 33941 1213 3 , , , 33941 1213 4 76 76 CD 33941 1213 5 - - SYM 33941 1213 6 81 81 CD 33941 1213 7 . . . 33941 1214 1 Camphorated Camphorated NNP 33941 1214 2 Turpentine Turpentine NNP 33941 1214 3 , , , 33941 1214 4 11 11 CD 33941 1214 5 . . . 33941 1215 1 Cetti Cetti NNP 33941 1215 2 's 's POS 33941 1215 3 Vacuum Vacuum NNP 33941 1215 4 Tap Tap NNP 33941 1215 5 , , , 33941 1215 6 66 66 CD 33941 1215 7 . . . 33941 1216 1 Charcoal Charcoal NNP 33941 1216 2 Pastils Pastils NNP 33941 1216 3 , , , 33941 1216 4 11 11 CD 33941 1216 5 . . . 33941 1217 1 Choking choke VBG 33941 1217 2 or or CC 33941 1217 3 Contracting contract VBG 33941 1217 4 the the DT 33941 1217 5 Bores bore NNS 33941 1217 6 of of IN 33941 1217 7 Tubes Tubes NNPS 33941 1217 8 , , , 33941 1217 9 35 35 CD 33941 1217 10 . . . 33941 1218 1 Combining combine VBG 33941 1218 2 the the DT 33941 1218 3 Parts Parts NNPS 33941 1218 4 of of IN 33941 1218 5 Complicated Complicated NNP 33941 1218 6 Apparatus Apparatus NNP 33941 1218 7 , , , 33941 1218 8 61 61 CD 33941 1218 9 . . . 33941 1219 1 Combustion Combustion NNP 33941 1219 2 Tube Tube NNP 33941 1219 3 , , , 33941 1219 4 how how WRB 33941 1219 5 to to TO 33941 1219 6 work work VB 33941 1219 7 it -PRON- PRP 33941 1219 8 , , , 33941 1219 9 25 25 CD 33941 1219 10 . . . 33941 1220 1 Contracting contract VBG 33941 1220 2 the the DT 33941 1220 3 Bore Bore NNP 33941 1220 4 of of IN 33941 1220 5 a a DT 33941 1220 6 Tube Tube NNP 33941 1220 7 , , , 33941 1220 8 35 35 CD 33941 1220 9 . . . 33941 1221 1 Cotton Cotton NNP 33941 1221 2 Wool Wool NNP 33941 1221 3 for for IN 33941 1221 4 Annealing Annealing NNP 33941 1221 5 , , , 33941 1221 6 24 24 CD 33941 1221 7 . . . 33941 1222 1 Cutting cut VBG 33941 1222 2 Glass Glass NNP 33941 1222 3 Tubes Tubes NNPS 33941 1222 4 , , , 33941 1222 5 26 26 CD 33941 1222 6 , , , 33941 1222 7 27 27 CD 33941 1222 8 , , , 33941 1222 9 28 28 CD 33941 1222 10 . . . 33941 1223 1 Dividing divide VBG 33941 1223 2 a a DT 33941 1223 3 Line line NN 33941 1223 4 into into IN 33941 1223 5 Equal equal JJ 33941 1223 6 Parts part NNS 33941 1223 7 , , , 33941 1223 8 75 75 CD 33941 1223 9 . . . 33941 1224 1 Electrodes electrode NNS 33941 1224 2 , , , 33941 1224 3 38 38 CD 33941 1224 4 , , , 33941 1224 5 55 55 CD 33941 1224 6 . . . 33941 1225 1 Electrolysis electrolysis NN 33941 1225 2 , , , 33941 1225 3 Making Making NNP 33941 1225 4 Apparatus Apparatus NNP 33941 1225 5 for for IN 33941 1225 6 , , , 33941 1225 7 59 59 CD 33941 1225 8 . . . 33941 1226 1 Files file NNS 33941 1226 2 for for IN 33941 1226 3 Cutting cut VBG 33941 1226 4 Glass Glass NNP 33941 1226 5 , , , 33941 1226 6 27 27 CD 33941 1226 7 . . . 33941 1227 1 Flame Flame NNP 33941 1227 2 , , , 33941 1227 3 the the DT 33941 1227 4 Pointed Pointed NNP 33941 1227 5 , , , 33941 1227 6 8 8 CD 33941 1227 7 . . . 33941 1228 1 ---- ---- NFP 33941 1228 2 the the DT 33941 1228 3 Brush Brush NNP 33941 1228 4 , , , 33941 1228 5 9 9 CD 33941 1228 6 . . . 33941 1229 1 ---- ---- NFP 33941 1229 2 the the DT 33941 1229 3 Oxidising Oxidising NNP 33941 1229 4 Brush Brush NNP 33941 1229 5 , , , 33941 1229 6 20 20 CD 33941 1229 7 . . . 33941 1230 1 ---- ---- NFP 33941 1230 2 the the DT 33941 1230 3 Smoky Smoky NNP 33941 1230 4 , , , 33941 1230 5 10 10 CD 33941 1230 6 . . . 33941 1231 1 Fletcher Fletcher NNP 33941 1231 2 's 's POS 33941 1231 3 Automaton Automaton NNP 33941 1231 4 Blow Blow NNP 33941 1231 5 - - HYPH 33941 1231 6 pipe pipe NN 33941 1231 7 , , , 33941 1231 8 6 6 CD 33941 1231 9 . . . 33941 1232 1 Fletcher Fletcher NNP 33941 1232 2 's 's POS 33941 1232 3 Compound Compound NNP 33941 1232 4 Blow Blow NNP 33941 1232 5 - - HYPH 33941 1232 6 pipe pipe NN 33941 1232 7 , , , 33941 1232 8 6 6 CD 33941 1232 9 . . . 33941 1233 1 Funnels Funnels NNP 33941 1233 2 , , , 33941 1233 3 Thistle thistle NN 33941 1233 4 - - HYPH 33941 1233 5 headed head VBN 33941 1233 6 , , , 33941 1233 7 57 57 CD 33941 1233 8 . . . 33941 1234 1 Gimmingham Gimmingham NNP 33941 1234 2 's 's POS 33941 1234 3 Blow Blow NNP 33941 1234 4 - - HYPH 33941 1234 5 pipe pipe NN 33941 1234 6 , , , 33941 1234 7 6 6 CD 33941 1234 8 . . . 33941 1235 1 Gimmingham Gimmingham NNP 33941 1235 2 's 's POS 33941 1235 3 Vacuum Vacuum NNP 33941 1235 4 Tap Tap NNP 33941 1235 5 , , , 33941 1235 6 68 68 CD 33941 1235 7 . . . 33941 1236 1 Glass Glass NNP 33941 1236 2 , , , 33941 1236 3 Annealing annealing NN 33941 1236 4 , , , 33941 1236 5 23 23 CD 33941 1236 6 . . . 33941 1237 1 ---- ---- NFP 33941 1237 2 Devitrification devitrification NN 33941 1237 3 of of IN 33941 1237 4 , , , 33941 1237 5 15 15 CD 33941 1237 6 . . . 33941 1238 1 ---- ---- NFP 33941 1238 2 Method Method NNP 33941 1238 3 of of IN 33941 1238 4 Working work VBG 33941 1238 5 with with IN 33941 1238 6 Lead Lead NNP 33941 1238 7 , , , 33941 1238 8 17 17 CD 33941 1238 9 . . . 33941 1239 1 ---- ---- NFP 33941 1239 2 Method Method NNP 33941 1239 3 of of IN 33941 1239 4 Working work VBG 33941 1239 5 with with IN 33941 1239 6 Soda Soda NNP 33941 1239 7 , , , 33941 1239 8 22 22 CD 33941 1239 9 . . . 33941 1240 1 ---- ---- NFP 33941 1240 2 Nature nature NN 33941 1240 3 of of IN 33941 1240 4 , , , 33941 1240 5 12 12 CD 33941 1240 6 . . . 33941 1241 1 ---- ---- NFP 33941 1241 2 Presenting present VBG 33941 1241 3 to to IN 33941 1241 4 the the DT 33941 1241 5 Flame Flame NNP 33941 1241 6 , , , 33941 1241 7 16 16 CD 33941 1241 8 . . . 33941 1242 1 Glass Glass NNP 33941 1242 2 Tubes Tubes NNPS 33941 1242 3 , , , 33941 1242 4 Bending Bending NNP 33941 1242 5 , , , 33941 1242 6 28 28 CD 33941 1242 7 . . . 33941 1243 1 ---- ---- NFP 33941 1243 2 Bordering Bordering NNP 33941 1243 3 , , , 33941 1243 4 31 31 CD 33941 1243 5 . . . 33941 1244 1 ---- ---- NFP 33941 1244 2 Characters character NNS 33941 1244 3 of of IN 33941 1244 4 good good JJ 33941 1244 5 , , , 33941 1244 6 14 14 CD 33941 1244 7 . . . 33941 1245 1 ---- ---- NFP 33941 1245 2 Choking Choking NNP 33941 1245 3 , , , 33941 1245 4 35 35 CD 33941 1245 5 . . . 33941 1246 1 ---- ---- NFP 33941 1246 2 Cleaning cleaning NN 33941 1246 3 , , , 33941 1246 4 15 15 CD 33941 1246 5 . . . 33941 1247 1 Glass Glass NNP 33941 1247 2 Tubes Tubes NNPS 33941 1247 3 , , , 33941 1247 4 Cutting cutting NN 33941 1247 5 , , , 33941 1247 6 26 26 CD 33941 1247 7 , , , 33941 1247 8 27 27 CD 33941 1247 9 , , , 33941 1247 10 28 28 CD 33941 1247 11 . . . 33941 1248 1 ---- ---- NFP 33941 1248 2 Piercing Piercing NNP 33941 1248 3 , , , 33941 1248 4 37 37 CD 33941 1248 5 . . . 33941 1249 1 ---- ---- NFP 33941 1249 2 Purchase Purchase NNP 33941 1249 3 of of IN 33941 1249 4 , , , 33941 1249 5 12 12 CD 33941 1249 6 . . . 33941 1250 1 ---- ---- NFP 33941 1250 2 Sealing sealing NN 33941 1250 3 , , , 33941 1250 4 32 32 CD 33941 1250 5 . . . 33941 1251 1 ---- ---- NFP 33941 1251 2 Sealing seal VBG 33941 1251 3 Hermetically Hermetically NNP 33941 1251 4 , , , 33941 1251 5 58 58 CD 33941 1251 6 . . . 33941 1252 1 ---- ---- NFP 33941 1252 2 Sizes size NNS 33941 1252 3 of of IN 33941 1252 4 , , , 33941 1252 5 82 82 CD 33941 1252 6 . . . 33941 1253 1 ---- ---- NFP 33941 1253 2 Welding welding NN 33941 1253 3 or or CC 33941 1253 4 Soldering Soldering NNP 33941 1253 5 , , , 33941 1253 6 39 39 CD 33941 1253 7 , , , 33941 1253 8 62 62 CD 33941 1253 9 . . . 33941 1254 1 ---- ---- NFP 33941 1254 2 Widening widen VBG 33941 1254 3 the the DT 33941 1254 4 Ends Ends NNPS 33941 1254 5 of of IN 33941 1254 6 , , , 33941 1254 7 36 36 CD 33941 1254 8 . . . 33941 1255 1 Graduating Graduating NNP 33941 1255 2 Apparatus Apparatus NNP 33941 1255 3 , , , 33941 1255 4 70 70 CD 33941 1255 5 . . . 33941 1256 1 Grinding grind VBG 33941 1256 2 Stoppers Stoppers NNPS 33941 1256 3 , , , 33941 1256 4 51 51 CD 33941 1256 5 . . . 33941 1257 1 Herapath Herapath NNP 33941 1257 2 's 's POS 33941 1257 3 Blow Blow NNP 33941 1257 4 - - HYPH 33941 1257 5 pipe pipe NN 33941 1257 6 , , , 33941 1257 7 6 6 CD 33941 1257 8 . . . 33941 1258 1 Hofman Hofman NNP 33941 1258 2 's 's POS 33941 1258 3 Apparatus Apparatus NNP 33941 1258 4 for for IN 33941 1258 5 Electrolysis Electrolysis NNP 33941 1258 6 , , , 33941 1258 7 59 59 CD 33941 1258 8 . . . 33941 1259 1 Inside inside IN 33941 1259 2 Joints Joints NNP 33941 1259 3 , , , 33941 1259 4 43 43 CD 33941 1259 5 . . . 33941 1260 1 Jets jet NNS 33941 1260 2 for for IN 33941 1260 3 Blow blow NN 33941 1260 4 - - HYPH 33941 1260 5 pipes pipe NNS 33941 1260 6 , , , 33941 1260 7 7 7 CD 33941 1260 8 . . . 33941 1261 1 Joints joint NNS 33941 1261 2 , , , 33941 1261 3 Air air NN 33941 1261 4 - - HYPH 33941 1261 5 tight tight NN 33941 1261 6 , , , 33941 1261 7 64 64 CD 33941 1261 8 . . . 33941 1262 1 Lead Lead NNP 33941 1262 2 Glass Glass NNP 33941 1262 3 , , , 33941 1262 4 Method Method NNP 33941 1262 5 of of IN 33941 1262 6 Working work VBG 33941 1262 7 with with IN 33941 1262 8 , , , 33941 1262 9 17 17 CD 33941 1262 10 . . . 33941 1263 1 Lead Lead NNP 33941 1263 2 Glass Glass NNP 33941 1263 3 , , , 33941 1263 4 Blackening Blackening NNP 33941 1263 5 of of IN 33941 1263 6 , , , 33941 1263 7 17 17 CD 33941 1263 8 . . . 33941 1264 1 Light light NN 33941 1264 2 , , , 33941 1264 3 Effect effect NN 33941 1264 4 of of IN 33941 1264 5 , , , 33941 1264 6 in in IN 33941 1264 7 Working Working NNP 33941 1264 8 , , , 33941 1264 9 3 3 CD 33941 1264 10 . . . 33941 1265 1 Line line NN 33941 1265 2 , , , 33941 1265 3 to to TO 33941 1265 4 Divide divide VB 33941 1265 5 into into IN 33941 1265 6 Equal Equal NNP 33941 1265 7 Parts part NNS 33941 1265 8 , , , 33941 1265 9 75 75 CD 33941 1265 10 . . . 33941 1266 1 Mercury Mercury NNP 33941 1266 2 Joints Joints NNP 33941 1266 3 , , , 33941 1266 4 Various Various NNP 33941 1266 5 , , , 33941 1266 6 64 64 CD 33941 1266 7 . . . 33941 1267 1 Non non JJ 33941 1267 2 - - JJ 33941 1267 3 splintering splintering JJ 33941 1267 4 Silica Silica NNP 33941 1267 5 , , , 33941 1267 6 Preparation Preparation NNP 33941 1267 7 of of IN 33941 1267 8 , , , 33941 1267 9 from from IN 33941 1267 10 Quartz Quartz NNP 33941 1267 11 , , , 33941 1267 12 88 88 CD 33941 1267 13 . . . 33941 1268 1 Ozone ozone NN 33941 1268 2 Generator generator NN 33941 1268 3 , , , 33941 1268 4 To to TO 33941 1268 5 Make make VB 33941 1268 6 an an DT 33941 1268 7 , , , 33941 1268 8 44 44 CD 33941 1268 9 . . . 33941 1269 1 Pastils Pastils NNP 33941 1269 2 of of IN 33941 1269 3 Charcoal Charcoal NNP 33941 1269 4 , , , 33941 1269 5 11 11 CD 33941 1269 6 . . . 33941 1270 1 Piercing Piercing NNP 33941 1270 2 Tubes Tubes NNPS 33941 1270 3 , , , 33941 1270 4 etc etc FW 33941 1270 5 . . NN 33941 1270 6 , , , 33941 1270 7 37 37 CD 33941 1270 8 . . . 33941 1271 1 Platinum Platinum NNP 33941 1271 2 Electrodes Electrodes NNP 33941 1271 3 , , , 33941 1271 4 Sealing seal VBG 33941 1271 5 in in IN 33941 1271 6 , , , 33941 1271 7 38 38 CD 33941 1271 8 , , , 33941 1271 9 55 55 CD 33941 1271 10 . . . 33941 1272 1 Pointed Pointed NNP 33941 1272 2 Flame Flame NNP 33941 1272 3 , , , 33941 1272 4 the the DT 33941 1272 5 , , , 33941 1272 6 9 9 CD 33941 1272 7 . . . 33941 1273 1 Quartz Quartz NNP 33941 1273 2 Fibres Fibres NNP 33941 1273 3 , , , 33941 1273 4 94 94 CD 33941 1273 5 . . . 33941 1274 1 Rounding round VBG 33941 1274 2 Ends Ends NNPS 33941 1274 3 of of IN 33941 1274 4 Tubes Tubes NNPS 33941 1274 5 , , , 33941 1274 6 31 31 CD 33941 1274 7 . . . 33941 1275 1 Sealing seal VBG 33941 1275 2 or or CC 33941 1275 3 Closing Closing NNP 33941 1275 4 Openings Openings NNPS 33941 1275 5 in in IN 33941 1275 6 Tubes Tubes NNPS 33941 1275 7 , , , 33941 1275 8 32 32 CD 33941 1275 9 . . . 33941 1276 1 Side side NN 33941 1276 2 - - HYPH 33941 1276 3 tubes tube NNS 33941 1276 4 , , , 33941 1276 5 Fixing fixing NN 33941 1276 6 , , , 33941 1276 7 41 41 CD 33941 1276 8 . . . 33941 1277 1 Smoky Smoky NNP 33941 1277 2 Flame Flame NNP 33941 1277 3 , , , 33941 1277 4 10 10 CD 33941 1277 5 . . . 33941 1278 1 Soda Soda NNP 33941 1278 2 Glass Glass NNP 33941 1278 3 , , , 33941 1278 4 Method Method NNP 33941 1278 5 of of IN 33941 1278 6 Working Working NNP 33941 1278 7 , , , 33941 1278 8 22 22 CD 33941 1278 9 . . . 33941 1279 1 Soldering soldering NN 33941 1279 2 or or CC 33941 1279 3 Welding Welding NNP 33941 1279 4 , , , 33941 1279 5 39 39 CD 33941 1279 6 , , , 33941 1279 7 62 62 CD 33941 1279 8 . . . 33941 1280 1 Spiral Spiral NNP 33941 1280 2 Tubes Tubes NNPS 33941 1280 3 , , , 33941 1280 4 56 56 CD 33941 1280 5 . . . 33941 1281 1 Stoppers stopper NNS 33941 1281 2 , , , 33941 1281 3 Making Making NNP 33941 1281 4 and and CC 33941 1281 5 Grinding Grinding NNP 33941 1281 6 , , , 33941 1281 7 51 51 CD 33941 1281 8 . . . 33941 1282 1 Table table NN 33941 1282 2 for for IN 33941 1282 3 Glass Glass NNP 33941 1282 4 - - HYPH 33941 1282 5 blower blower NN 33941 1282 6 , , , 33941 1282 7 3 3 CD 33941 1282 8 . . . 33941 1283 1 Taps tap NNS 33941 1283 2 , , , 33941 1283 3 Vacuum Vacuum NNP 33941 1283 4 , , , 33941 1283 5 65 65 CD 33941 1283 6 . . . 33941 1284 1 Thistle Thistle NNP 33941 1284 2 - - HYPH 33941 1284 3 headed head VBN 33941 1284 4 Funnels Funnels NNP 33941 1284 5 , , , 33941 1284 6 57 57 CD 33941 1284 7 . . . 33941 1285 1 Traps trap NNS 33941 1285 2 , , , 33941 1285 3 Air Air NNP 33941 1285 4 , , , 33941 1285 5 69 69 CD 33941 1285 6 . . . 33941 1286 1 Tube Tube NNP 33941 1286 2 , , , 33941 1286 3 Combustion Combustion NNP 33941 1286 4 , , , 33941 1286 5 how how WRB 33941 1286 6 to to TO 33941 1286 7 work work VB 33941 1286 8 it -PRON- PRP 33941 1286 9 , , , 33941 1286 10 25 25 CD 33941 1286 11 . . . 33941 1287 1 Tubes tube NNS 33941 1287 2 . . . 33941 1288 1 _ _ NNP 33941 1288 2 See See NNP 33941 1288 3 _ _ NNP 33941 1288 4 Glass Glass NNP 33941 1288 5 Tubes Tubes NNPS 33941 1288 6 . . . 33941 1289 1 ---- ---- NFP 33941 1289 2 T- T- NNP 33941 1289 3 , , , 33941 1289 4 41 41 CD 33941 1289 5 . . . 33941 1290 1 ---- ---- NFP 33941 1290 2 U- u- XX 33941 1290 3 , , , 33941 1290 4 56 56 CD 33941 1290 5 . . . 33941 1291 1 Turpentine turpentine NN 33941 1291 2 , , , 33941 1291 3 Camphorated Camphorated NNP 33941 1291 4 , , , 33941 1291 5 for for IN 33941 1291 6 Grinding Grinding NNP 33941 1291 7 , , , 33941 1291 8 11 11 CD 33941 1291 9 . . . 33941 1292 1 U U NNP 33941 1292 2 - - HYPH 33941 1292 3 Tubes Tubes NNP 33941 1292 4 , , , 33941 1292 5 56 56 CD 33941 1292 6 . . . 33941 1293 1 Vacuum Vacuum NNP 33941 1293 2 Taps Taps NNP 33941 1293 3 , , , 33941 1293 4 65 65 CD 33941 1293 5 - - SYM 33941 1293 6 68 68 CD 33941 1293 7 . . . 33941 1294 1 ---- ---- NFP 33941 1294 2 Tube tube NN 33941 1294 3 , , , 33941 1294 4 To to TO 33941 1294 5 Make make VB 33941 1294 6 a a DT 33941 1294 7 , , , 33941 1294 8 60 60 CD 33941 1294 9 . . . 33941 1295 1 Vitreous Vitreous NNP 33941 1295 2 Silica Silica NNP 33941 1295 3 , , , 33941 1295 4 Apparatus Apparatus NNP 33941 1295 5 required require VBN 33941 1295 6 for for IN 33941 1295 7 Making Making NNP 33941 1295 8 , , , 33941 1295 9 89 89 CD 33941 1295 10 . . . 33941 1296 1 ---- ---- NFP 33941 1296 2 Behaviour Behaviour NNP 33941 1296 3 under under IN 33941 1296 4 sudden sudden JJ 33941 1296 5 changes change NNS 33941 1296 6 of of IN 33941 1296 7 Temperature temperature NN 33941 1296 8 , , , 33941 1296 9 87 87 CD 33941 1296 10 . . . 33941 1297 1 ---- ---- NFP 33941 1297 2 Bulbs bulb NNS 33941 1297 3 , , , 33941 1297 4 etc etc FW 33941 1297 5 . . . 33941 1297 6 , , , 33941 1297 7 Making make VBG 33941 1297 8 Joints Joints NNP 33941 1297 9 on on RB 33941 1297 10 , , , 33941 1297 11 93 93 CD 33941 1297 12 . . . 33941 1298 1 ---- ---- NFP 33941 1298 2 Expansion expansion NN 33941 1298 3 of of IN 33941 1298 4 , , , 33941 1298 5 86 86 CD 33941 1298 6 . . . 33941 1299 1 ---- ---- NFP 33941 1299 2 Hardness Hardness NNP 33941 1299 3 of of IN 33941 1299 4 , , , 33941 1299 5 85 85 CD 33941 1299 6 . . . 33941 1300 1 ---- ---- NFP 33941 1300 2 Insulating insulate VBG 33941 1300 3 Power Power NNP 33941 1300 4 of of IN 33941 1300 5 , , , 33941 1300 6 85 85 CD 33941 1300 7 . . . 33941 1301 1 ---- ---- NFP 33941 1301 2 Melting melt VBG 33941 1301 3 Point point NN 33941 1301 4 of of IN 33941 1301 5 , , , 33941 1301 6 85 85 CD 33941 1301 7 . . . 33941 1302 1 ---- ---- NFP 33941 1302 2 Permeability permeability NN 33941 1302 3 to to IN 33941 1302 4 Gases Gases NNP 33941 1302 5 , , , 33941 1302 6 87 87 CD 33941 1302 7 . . . 33941 1303 1 ---- ---- NFP 33941 1303 2 Properties property NNS 33941 1303 3 of of IN 33941 1303 4 , , , 33941 1303 5 84 84 CD 33941 1303 6 . . . 33941 1304 1 ---- ---- NFP 33941 1304 2 Rods rod NNS 33941 1304 3 , , , 33941 1304 4 Making make VBG 33941 1304 5 Joints joint NNS 33941 1304 6 on on RB 33941 1304 7 , , , 33941 1304 8 94 94 CD 33941 1304 9 . . . 33941 1305 1 ---- ---- NFP 33941 1305 2 Tubes tube NNS 33941 1305 3 , , , 33941 1305 4 Method Method NNP 33941 1305 5 of of IN 33941 1305 6 Making Making NNP 33941 1305 7 , , , 33941 1305 8 90 90 CD 33941 1305 9 . . . 33941 1306 1 ---- ---- NFP 33941 1306 2 Tubes tube NNS 33941 1306 3 , , , 33941 1306 4 Making make VBG 33941 1306 5 Joints joint NNS 33941 1306 6 on on RB 33941 1306 7 , , , 33941 1306 8 94 94 CD 33941 1306 9 . . . 33941 1307 1 Welding weld VBG 33941 1307 2 or or CC 33941 1307 3 Soldering soldering JJ 33941 1307 4 Tubes Tubes NNPS 33941 1307 5 together together RB 33941 1307 6 , , , 33941 1307 7 39 39 CD 33941 1307 8 , , , 33941 1307 9 62 62 CD 33941 1307 10 . . . 33941 1308 1 White White NNP 33941 1308 2 Enamel Enamel NNP 33941 1308 3 , , , 33941 1308 4 Uses Uses NNPS 33941 1308 5 of of IN 33941 1308 6 , , , 33941 1308 7 39 39 CD 33941 1308 8 , , , 33941 1308 9 56 56 CD 33941 1308 10 . . . 33941 1309 1 Widening widen VBG 33941 1309 2 the the DT 33941 1309 3 Ends Ends NNPS 33941 1309 4 of of IN 33941 1309 5 Tubes Tubes NNPS 33941 1309 6 , , , 33941 1309 7 36 36 CD 33941 1309 8 . . . 33941 1310 1 Working work VBG 33941 1310 2 - - HYPH 33941 1310 3 place place NN 33941 1310 4 , , , 33941 1310 5 2 2 CD 33941 1310 6 . . . 33941 1311 1 Printed print VBN 33941 1311 2 by by IN 33941 1311 3 T. t. NN 33941 1311 4 and and CC 33941 1311 5 A. A. NNP 33941 1311 6 CONSTABLE CONSTABLE NNP 33941 1311 7 , , , 33941 1311 8 Printers Printers NNPS 33941 1311 9 to to IN 33941 1311 10 His -PRON- PRP$ 33941 1311 11 Majesty Majesty NNP 33941 1311 12 at at IN 33941 1311 13 the the DT 33941 1311 14 Edinburgh Edinburgh NNP 33941 1311 15 University University NNP 33941 1311 16 Press Press NNP 33941 1311 17 , , , 33941 1311 18 Scotland Scotland NNP