This is a table of named entities, their types, and their frequencies from sentences in your study carrel. Use it to search & browse the list to learn more about your study carrel. Please keep in mind that named-entity extraction is not as accurate as more generic parts-of-speech extraction. Unusual results will appear here.
| entity | type | frequency |
|---|---|---|
| vane | ORG | 930 |
| england | GPE | 744 |
| tom | PERSON | 628 |
| earth | LOC | 435 |
| new york | GPE | 422 |
| london | GPE | 402 |
| the united states | GPE | 385 |
| america | GPE | 370 |
| france | GPE | 357 |
| macey | PERSON | 355 |
| distin | PERSON | 354 |
| europe | LOC | 327 |
| ned | PERSON | 295 |
| watt | PERSON | 228 |
| edison | PERSON | 225 |
| gilmore | PERSON | 198 |
| paris | GPE | 188 |
| marconi | PERSON | 187 |
| franklin | ORG | 180 |
| 6_d | PERSON | 180 |
| germany | GPE | 179 |
| atlantic | LOC | 176 |
| fulton | PERSON | 172 |
| boston | GPE | 160 |
| india | GPE | 158 |
| aunt hannah | PERSON | 158 |
| whitford | PERSON | 155 |
| whitney | PERSON | 153 |
| washington | GPE | 153 |
| philadelphia | GPE | 136 |
| crown | ORG | 133 |
| morse | PERSON | 132 |
| rome | GPE | 131 |
| dimanche | PERSON | 130 |
| henry | PERSON | 125 |
| great britain | GPE | 121 |
| wright | PERSON | 115 |
| italy | GPE | 112 |
| damon | PERSON | 108 |
| massachusetts | GPE | 105 |
| united states | GPE | 100 |
| greece | GPE | 99 |
| egypt | GPE | 92 |
| china | GPE | 89 |
| howe | PERSON | 89 |
| bell | ORG | 87 |
| stephenson | ORG | 85 |
| faraday | PERSON | 84 |
| uncle fritz | PERSON | 83 |
| scotland | GPE | 83 |
| joseph | PERSON | 77 |
| andy | PERSON | 76 |
| roman | PERSON | 75 |
| new england | LOC | 75 |
| bessemer | PERSON | 75 |
| brooks | PERSON | 72 |
| clermont | ORG | 72 |
| pennsylvania | GPE | 71 |
| columbus | ORG | 70 |
| chicago | GPE | 70 |
| spain | GPE | 69 |
| australia | GPE | 69 |
| robert | PERSON | 68 |
| liverpool | GPE | 68 |
| baltimore | GPE | 67 |
| congress | ORG | 65 |
| japan | GPE | 65 |
| bruff | ORG | 64 |
| newfoundland | GPE | 63 |
| george | PERSON | 63 |
| state | ORG | 63 |
| martha | PERSON | 62 |
| miller | PERSON | 61 |
| koku | GPE | 61 |
| california | GPE | 61 |
| alexander | PERSON | 61 |
| africa | LOC | 60 |
| piltdon | ORG | 59 |
| russia | GPE | 59 |
| m.a. | GPE | 58 |
| george stephenson | PERSON | 58 |
| u.s. | GPE | 57 |
| newcomen | ORG | 57 |
| holland | GPE | 57 |
| arkwright | PERSON | 57 |
| ireland | GPE | 56 |
| curtiss | ORG | 54 |
| greeks | PERSON | 54 |
| knox | PERSON | 54 |
| canada | GPE | 53 |
| napoleon | ORG | 53 |
| manchester | LOC | 53 |
| santos-dumont | ORG | 52 |
| hertz | ORG | 52 |
| siemens | PERSON | 52 |
| john | PERSON | 49 |
| greene | PERSON | 49 |
| james watt | PERSON | 49 |
| mccormick | PERSON | 49 |
| south | LOC | 49 |
| albany | GPE | 48 |
| falcon | ORG | 48 |
| virginia | GPE | 47 |
| niagara | PERSON | 47 |
| hudson | LOC | 47 |
| new york city | GPE | 46 |
| leyden | GPE | 46 |
| glasgow | GPE | 46 |
| asia | LOC | 45 |
| edinburgh | GPE | 45 |
| georgia | GPE | 45 |
| newton | GPE | 45 |
| thomas | ORG | 44 |
| wedgwood | GPE | 43 |
| tom swift | PERSON | 43 |
| cæsar | PERSON | 43 |
| mars | LOC | 42 |
| feetch | ORG | 42 |
| distie | PERSON | 42 |
| bacon | ORG | 42 |
| illustrations | ORG | 41 |
| livingston | PERSON | 41 |
| hewitt | PERSON | 40 |
| savannah | ORG | 39 |
| ohio | GPE | 39 |
| new jersey | GPE | 39 |
| f.r.s. | GPE | 39 |
| persia | GPE | 38 |
| mediterranean | LOC | 38 |
| lee | PERSON | 38 |
| birmingham | GPE | 37 |
| shopton | PERSON | 37 |
| vail | PERSON | 37 |
| newcastle | GPE | 36 |
| eliza | PERSON | 36 |
| jacquard | ORG | 35 |
| walker | PERSON | 33 |
| röntgen | PERSON | 33 |
| cornwall | GPE | 33 |
| berlin | GPE | 33 |
| delaware | GPE | 32 |
| iii | ORG | 32 |
| langley | PERSON | 32 |
| new haven | GPE | 32 |
| worcester | PERSON | 31 |
| time | ORG | 31 |
| north | LOC | 31 |
| foger | PERSON | 31 |
| connecticut | GPE | 31 |
| m.d. | GPE | 30 |
| fahrenheit | GPE | 30 |
| crompton | GPE | 30 |
| robert fulton | PERSON | 30 |
| coke | ORG | 30 |
| sexton | ORG | 29 |
| west | PERSON | 29 |
| virgilius | ORG | 29 |
| papin | PERSON | 29 |
| cambridge | GPE | 29 |
| austria | GPE | 29 |
| james | PERSON | 28 |
| blériot | GPE | 28 |
| coggleston | GPE | 28 |
| earth | LOC | 28 |
| ericsson | PERSON | 28 |
| gesner | PERSON | 28 |
| smith | ORG | 28 |
| lowell | PERSON | 28 |
| milne | PERSON | 28 |
| pacific | LOC | 28 |
| south america | LOC | 28 |
| volta | GPE | 28 |
| 7_s | GPE | 28 |
| henry bessemer | PERSON | 27 |
| gutenberg | GPE | 27 |
| edgeworth | ORG | 27 |
| logansville | PERSON | 27 |
| the patent office | ORG | 27 |
| lavoisier | ORG | 26 |
| benjamin franklin | PERSON | 26 |
| eli whitney | PERSON | 26 |
| great western | ORG | 26 |
| eli | ORG | 26 |
| parliament | ORG | 26 |
| solomon | PERSON | 26 |
| symington | ORG | 26 |
| vienna | GPE | 26 |
| ammonia | GPE | 26 |
| east | LOC | 25 |
| archimedes | ORG | 25 |
| armstrong | PERSON | 25 |
| athens | GPE | 25 |
| b.sc | PERSON | 25 |
| colt | PERSON | 25 |
| corliss | ORG | 25 |
| cronus | ORG | 25 |
| cotton | ORG | 25 |
| englishman | ORG | 25 |
| jupiter | LOC | 25 |
| krupp | PERSON | 25 |
| murra foray | PERSON | 25 |
| sweden | GPE | 25 |
| syracuse | GPE | 25 |
| vane lee | PERSON | 25 |
| the west indies | GPE | 25 |
| san francisco | GPE | 24 |
| barger | PERSON | 24 |
| fergus | ORG | 24 |
| john stevens | PERSON | 24 |
| ll.d. | PERSON | 24 |
| peter cooper | PERSON | 24 |
| south africa | GPE | 24 |
| smeaton | GPE | 24 |
| uncle sam | PERSON | 24 |
| the atlantic ocean | LOC | 24 |
| the english channel | GPE | 24 |
| the royal society | ORG | 24 |
| foolscap | ORG | 23 |
| andy foger | PERSON | 23 |
| cape | PERSON | 23 |
| evans | PERSON | 23 |
| brazil | GPE | 23 |
| kay | PERSON | 23 |
| stevens | PERSON | 23 |
| the united kingdom | GPE | 23 |
| times | ORG | 23 |
| portland | GPE | 23 |
| maine | GPE | 22 |
| boney | PERSON | 22 |
| essen | PERSON | 22 |
| gramme | PERSON | 22 |
| nature | ORG | 22 |
| oliver evans | PERSON | 22 |
| providence | ORG | 22 |
| sirius | PERSON | 22 |
| states | GPE | 22 |
| vii | ORG | 22 |
| gil | PERSON | 21 |
| alexandria | GPE | 21 |
| arago | ORG | 21 |
| dover | GPE | 21 |
| florida | GPE | 21 |
| stella | ORG | 21 |
| helmholtz | ORG | 21 |
| moltke | ORG | 21 |
| paulsen | PERSON | 21 |
| u | ORG | 21 |
| william | PERSON | 21 |
| navy | ORG | 20 |
| 6_s | GPE | 20 |
| admiralty | ORG | 20 |
| boulton | ORG | 20 |
| erwin | PERSON | 20 |
| field | PERSON | 20 |
| humphry davy | PERSON | 20 |
| mabel | PERSON | 20 |
| zeppelin | PERSON | 20 |
| nelson | PERSON | 20 |
| philip | GPE | 20 |
| portugal | GPE | 20 |
| rhode island | GPE | 20 |
| royal 8vo. | ORG | 20 |
| the united states | GPE | 20 |
| wheatstone | PERSON | 20 |
| orville | PERSON | 20 |
| burbank | ORG | 19 |
| d.sc. | GPE | 19 |
| charles | PERSON | 19 |
| chakes | ORG | 19 |
| b.sc. | GPE | 19 |
| britain | GPE | 19 |
| blanchard | PERSON | 19 |
| baxter | GPE | 19 |
| prussia | LOC | 19 |
| davy | PERSON | 19 |
| wrights | PERSON | 19 |
| salem | GPE | 19 |
| thames | PERSON | 19 |
| south carolina | GPE | 19 |
| walt | PERSON | 19 |
| trevithick | PERSON | 19 |
| walter | PERSON | 19 |
| switzerland | GPE | 19 |
| sturgeon | GPE | 19 |
| stockton | ORG | 19 |
| kelvin | PERSON | 18 |
| alexander graham bell | PERSON | 18 |
| cunard | ORG | 18 |
| david | PERSON | 18 |
| elias howe | PERSON | 18 |
| fryer | PERSON | 18 |
| gilbert | ORG | 18 |
| i. | ORG | 18 |
| calvin | PERSON | 18 |
| mexico | GPE | 18 |
| plymouth | GPE | 18 |
| st. louis | GPE | 18 |
| tesla | PERSON | 18 |
| thomas a. edison | PERSON | 18 |
| turner | GPE | 18 |
| woolwich | PERSON | 18 |
| victoria | PERSON | 18 |
| palissy | ORG | 18 |
| huygens | ORG | 17 |
| alice | PERSON | 17 |
| blanche | ORG | 17 |
| campania | GPE | 17 |
| daguerre | PERSON | 17 |
| galvani | PERSON | 17 |
| neptune | LOC | 17 |
| orville wright | PERSON | 17 |
| senate | ORG | 17 |
| whitehead | ORG | 17 |
| the mediterranean sea | LOC | 17 |
| niagara falls | PERSON | 17 |
| copernicus | ORG | 16 |
| gaul | PERSON | 16 |
| farman | GPE | 16 |
| darwin | PERSON | 16 |
| daniell | ORG | 16 |
| branca | PERSON | 16 |
| cooke | ORG | 16 |
| buffalo | GPE | 16 |
| benjamin | PERSON | 16 |
| house | ORG | 16 |
| great eastern | ORG | 16 |
| the hudson river | LOC | 16 |
| jefferson | PERSON | 16 |
| society | ORG | 16 |
| lancashire | GPE | 16 |
| breech | ORG | 16 |
| telegraph | ORG | 16 |
| miller | PERSON | 16 |
| rowland hill | ORG | 16 |
| robison | PERSON | 16 |
| norway | GPE | 16 |
| morton | ORG | 16 |
| cooper | PERSON | 15 |
| frank | PERSON | 15 |
| finley | ORG | 15 |
| eddystone | ORG | 15 |
| dreadnought | PERSON | 15 |
| dis | PERSON | 15 |
| darlington | GPE | 15 |
| dalton | PERSON | 15 |
| barlow | PERSON | 15 |
| charles goodyear | PERSON | 15 |
| brooklyn | GPE | 15 |
| bristol | ORG | 15 |
| bedford | ORG | 15 |
| arizona | GPE | 15 |
| ampère | PERSON | 15 |
| knight | PERSON | 15 |
| hero | PERSON | 15 |
| hoboken | ORG | 15 |
| lenby | ORG | 15 |
| post-office | ORG | 15 |
| navy | ORG | 15 |
| alumina | GPE | 15 |
| xii | ORG | 15 |
| wood | ORG | 15 |
| transvaal | LOC | 15 |
| robert stephenson | PERSON | 15 |
| queen | PERSON | 15 |
| nett | PERSON | 15 |
| nobbe | GPE | 15 |
| n. y. | PERSON | 15 |
| mr syme | ORG | 15 |
| miles | PERSON | 15 |
| merrimac | PERSON | 15 |
| maryland | GPE | 15 |
| marquis of worcester | ORG | 15 |
| nile | LOC | 15 |
| hill | PERSON | 14 |
| hanson | PERSON | 14 |
| hebrews | ORG | 14 |
| leo | PERSON | 14 |
| illinois | GPE | 14 |
| jackson | PERSON | 14 |
| johannesburg | GPE | 14 |
| detroit | GPE | 14 |
| florence | PERSON | 14 |
| belgium | GPE | 14 |
| cort | ORG | 14 |
| colorado | GPE | 14 |
| channel | ORG | 14 |
| becquerel | PERSON | 14 |
| bates | ORG | 14 |
| b.a. | GPE | 14 |
| 4_s | ORG | 14 |
| lowe | PERSON | 14 |
| lilienthal | PERSON | 14 |
| mike | PERSON | 14 |
| mentz | ORG | 14 |
| st. petersburg | GPE | 14 |
| the state of new york | GPE | 14 |
| the north sea | LOC | 14 |
| crown 8vo | ORG | 14 |
| wilbur | PERSON | 14 |
| wellington | GPE | 14 |
| venice | GPE | 14 |
| texas | GPE | 14 |
| syme | PERSON | 14 |
| the machine of civilization | ORG | 14 |
| shakespeare | PERSON | 14 |
| price | PERSON | 14 |
| poldhu | PERSON | 14 |
| paul | PERSON | 14 |
| new york state | GPE | 14 |
| mrs lee | PERSON | 14 |
| mississippi | LOC | 14 |
| radium | ORG | 14 |
| clyde | ORG | 13 |
| hunt | PERSON | 13 |
| hooke | PERSON | 13 |
| hon | ORG | 13 |
| galaxy | ORG | 13 |
| elizabeth | PERSON | 13 |
| dewar | GPE | 13 |
| bill | PERSON | 13 |
| burslem | GPE | 13 |
| brown | PERSON | 13 |
| bramah | GPE | 13 |
| aristotle | GPE | 13 |
| amsterdam | GPE | 13 |
| allston | PERSON | 13 |
| kepler | ORG | 13 |
| johnson | PERSON | 13 |
| fitch | PERSON | 13 |
| killingworth | PERSON | 13 |
| pullman | ORG | 13 |
| london | GPE | 13 |
| the british isles | GPE | 13 |
| fed | ORG | 13 |
| yale college | ORG | 13 |
| silvertongue | GPE | 13 |
| scotch | ORG | 13 |
| savery | ORG | 13 |
| springfield | GPE | 13 |
| period | PERSON | 13 |
| the house of commons | ORG | 13 |
| mercury | ORG | 13 |
| maudsley | PERSON | 13 |
| madame curie | PERSON | 13 |
| lyons | ORG | 13 |
| oxford | ORG | 13 |
| greenleaf | PERSON | 12 |
| etc | ORG | 12 |
| glass | PERSON | 12 |
| godolph | PERSON | 12 |
| herr kommandant | PERSON | 12 |
| guericke | PERSON | 12 |
| hale | PERSON | 12 |
| hartford | GPE | 12 |
| darville | GPE | 12 |
| denmark | GPE | 12 |
| britannia | GPE | 12 |
| d.d. | GPE | 12 |
| curie | PERSON | 12 |
| colour | ORG | 12 |
| cleveland | GPE | 12 |
| cicero | ORG | 12 |
| church | ORG | 12 |
| cartwright | ORG | 12 |
| lewis | PERSON | 12 |
| babylonia | GPE | 12 |
| b.c. | GPE | 12 |
| acheson | PERSON | 12 |
| josiah wedgwood | PERSON | 12 |
| john fitch | PERSON | 12 |
| lincoln | ORG | 12 |
| slater | PERSON | 12 |
| the smithsonian institution | ORG | 12 |
| lynn | PERSON | 12 |
| sha | ORG | 12 |
| zeppelins | GPE | 12 |
| wilson | ORG | 12 |
| william thomson | PERSON | 12 |
| wilbur wright | PERSON | 12 |
| westinghouse | ORG | 12 |
| voltaic | PERSON | 12 |
| text | LOC | 12 |
| the red sea | LOC | 12 |
| science | ORG | 12 |
| north carolina | GPE | 12 |
| santos-dumont''s | ORG | 12 |
| montgolfier | ORG | 12 |
| mr distin | PERSON | 12 |
| muybridge | ORG | 12 |
| mass. | GPE | 12 |
| ph.d. | PERSON | 12 |
| roger | PERSON | 12 |
| roger bacon | PERSON | 12 |
| rounds | PERSON | 12 |
| clarissa | ORG | 11 |
| hester | PERSON | 11 |
| hamilton | PERSON | 11 |
| guglielmo marconi | PERSON | 11 |
| gregory | ORG | 11 |
| frontispiece | PERSON | 11 |
| f.r.c.s. | GPE | 11 |
| dublin | GPE | 11 |
| cuba | GPE | 11 |
| crookes | PERSON | 11 |
| chapter ii | ORG | 11 |
| cape cod | PERSON | 11 |
| calcutta | ORG | 11 |
| calais | GPE | 11 |
| chapter vi | ORG | 11 |
| bonaparte | PERSON | 11 |
| army | ORG | 11 |
| arabia | GPE | 11 |
| a.d. | GPE | 11 |
| illustrated | GPE | 11 |
| humboldt | ORG | 11 |
| blake | PERSON | 11 |
| iowa | GPE | 11 |
| rand | PERSON | 11 |
| john | ORG | 11 |
| xiv | ORG | 11 |
| winstanley | ORG | 11 |
| westminster | PERSON | 11 |
| waltham | ORG | 11 |
| vol | PERSON | 11 |
| vermont | GPE | 11 |
| towne | ORG | 11 |
| scotchman | PERSON | 11 |
| young | PERSON | 11 |
| queen elizabeth | PERSON | 11 |
| peter | PERSON | 11 |
| oxon | PERSON | 11 |
| otto | ORG | 11 |
| nova scotia | PERSON | 11 |
| long island | GPE | 11 |
| kimberley | ORG | 11 |
| john ericsson | PERSON | 11 |
| jack | PERSON | 11 |
| post | ORG | 11 |
| greythorpe | ORG | 10 |
| ellsworth | PERSON | 10 |
| emerson | PERSON | 10 |
| enfield | GPE | 10 |
| glenn curtiss | PERSON | 10 |
| government | ORG | 10 |
| john smith | PERSON | 10 |
| harry | PERSON | 10 |
| hussey | ORG | 10 |
| isaac newton | PERSON | 10 |
| john herschel | PERSON | 10 |
| kentucky | GPE | 10 |
| david brewster | PERSON | 10 |
| earl | PERSON | 10 |
| alaska | GPE | 10 |
| copenhagen | ORG | 10 |
| constantinople | PERSON | 10 |
| coloured frontispiece | PERSON | 10 |
| cloth | ORG | 10 |
| charleston | GPE | 10 |
| chapter iv | ORG | 10 |
| babylon | ORG | 10 |
| antwerp | GPE | 10 |
| antoinette | PERSON | 10 |
| anne | PERSON | 10 |
| lisbon | GPE | 10 |
| adam | PERSON | 10 |
| a.m. | GPE | 10 |
| 9_s | PERSON | 10 |
| king''s college | ORG | 10 |
| hannah | PERSON | 10 |
| mary | PERSON | 10 |
| scott | PERSON | 10 |
| the united states of america | GPE | 10 |
| menlo park | GPE | 10 |
| picturesque | GPE | 10 |
| jack | PERSON | 10 |
| house | ORG | 10 |
| gutta-percha | ORG | 10 |
| bell | ORG | 10 |
| uncle sam''s | PERSON | 10 |
| trenton | GPE | 10 |
| trajan | PERSON | 10 |
| thomson | PERSON | 10 |
| tennessee | GPE | 10 |
| suez | LOC | 10 |
| stevenson | PERSON | 10 |
| william crookes | PERSON | 10 |
| rev | ORG | 10 |
| new orleans | GPE | 10 |
| moors | ORG | 10 |
| preface | ORG | 10 |
| natal | GPE | 10 |
| nay | PERSON | 10 |
| milton | ORG | 10 |
| new hampshire | GPE | 10 |
| north america | LOC | 10 |
| nottingham | GPE | 10 |
| oregon | GPE | 10 |
| panama | GPE | 10 |
| pittsburg | GPE | 10 |
| diesel | ORG | 9 |
| george stephenson''s | PERSON | 9 |
| dillon | PERSON | 9 |
| dudley | PERSON | 9 |
| examination papers | ORG | 9 |
| f.c.s. | GPE | 9 |
| frederick | PERSON | 9 |
| ged | PERSON | 9 |
| hiram maxim | PERSON | 9 |
| goldschmidt | PERSON | 9 |
| hannibal | ORG | 9 |
| harvey | ORG | 9 |
| herodotus | GPE | 9 |
| humphrey potter | PERSON | 9 |
| james nasmyth | PERSON | 9 |
| joseph henry | PERSON | 9 |
| dayton | GPE | 9 |
| dee | PERSON | 9 |
| alps | LOC | 9 |
| cuvier | GPE | 9 |
| cork | ORG | 9 |
| kent | GPE | 9 |
| aberdeen | GPE | 9 |
| alfred | GPE | 9 |
| alfred vail | PERSON | 9 |
| appendix | GPE | 9 |
| arsenal | ORG | 9 |
| bernard palissy | PERSON | 9 |
| bolton | PERSON | 9 |
| brazen | PERSON | 9 |
| burns | PERSON | 9 |
| charles r. gibson | PERSON | 9 |
| church | ORG | 9 |
| charlemagne | PERSON | 9 |
| charlotte | PERSON | 9 |
| collinson | PERSON | 9 |
| kemp | PERSON | 9 |
| pyramids | ORG | 9 |
| laplace | ORG | 9 |
| portsmouth | PERSON | 9 |
| queen victoria | PERSON | 9 |
| renaissance | ORG | 9 |
| richard | PERSON | 9 |
| rocket | PERSON | 9 |
| roentgen | ORG | 9 |
| samuel | PERSON | 9 |
| tnt | ORG | 9 |
| waghorn | ORG | 9 |
| worcester county | GPE | 9 |
| yale | ORG | 9 |
| the british government | ORG | 9 |
| the little manor | ORG | 9 |
| the southern states | GPE | 9 |
| the united states navy | ORG | 9 |
| leo baxter | PERSON | 9 |
| priestley | ORG | 9 |
| syria | GPE | 9 |
| plato | ORG | 9 |
| mergenthaler | PERSON | 9 |
| los angeles | GPE | 9 |
| pelham | PERSON | 9 |
| louisiana | GPE | 9 |
| louisville | GPE | 9 |
| lucy | PERSON | 9 |
| magdeburg | GPE | 9 |
| marquis | PERSON | 9 |
| machine | ORG | 9 |
| michigan | GPE | 9 |
| montreal | GPE | 9 |
| mr deering | PERSON | 9 |
| n. j. | PERSON | 9 |
| new zealand | GPE | 9 |
| newark | GPE | 9 |
| northwest | ORG | 9 |
| flaxman | PERSON | 8 |
| kitty hawk | ORG | 8 |
| hanover | GPE | 8 |
| hargreaves | PERSON | 8 |
| henry cort | PERSON | 8 |
| herschel | ORG | 8 |
| humphrey | GPE | 8 |
| iii.--the | ORG | 8 |
| james rumsey | PERSON | 8 |
| martin | PERSON | 8 |
| könig | ORG | 8 |
| latham | PERSON | 8 |
| leonardo da vinci | PERSON | 8 |
| lincolnshire | GPE | 8 |
| lusitania | PERSON | 8 |
| magnetism | ORG | 8 |
| mayer | ORG | 8 |
| examples | ORG | 8 |
| fanchon | ORG | 8 |
| aladdin | ORG | 8 |
| eastern | ORG | 8 |
| e. gilliat | PERSON | 8 |
| mrs bruff | PERSON | 8 |
| alabama | GPE | 8 |
| baker | PERSON | 8 |
| benjamin west | PERSON | 8 |
| bertha | ORG | 8 |
| betty | PERSON | 8 |
| boyle | ORG | 8 |
| branly | GPE | 8 |
| briggs | PERSON | 8 |
| brunel | ORG | 8 |
| calvin baxter | PERSON | 8 |
| cassal | PERSON | 8 |
| clark | PERSON | 8 |
| clem | GPE | 8 |
| count zeppelin | PERSON | 8 |
| d.sc | GPE | 8 |
| dorchester | PERSON | 8 |
| milan | GPE | 8 |
| hughes | PERSON | 8 |
| napier | ORG | 8 |
| va. | GPE | 8 |
| schonbein | PERSON | 8 |
| sheba | ORG | 8 |
| st. john''s | GPE | 8 |
| titanic | LOC | 8 |
| troy | GPE | 8 |
| turkey | GPE | 8 |
| utah | GPE | 8 |
| vol | ORG | 8 |
| virgil | PERSON | 8 |
| seeley | ORG | 8 |
| wallace | PERSON | 8 |
| woburn | GPE | 8 |
| wyoming | GPE | 8 |
| cook | PERSON | 8 |
| the british navy | ORG | 8 |
| the east india company | ORG | 8 |
| the potomac river | LOC | 8 |
| netherlands | GPE | 8 |
| saint | ORG | 8 |
| baker | PERSON | 8 |
| royal william | PERSON | 8 |
| peru | GPE | 8 |
| rodgers | PERSON | 8 |
| new mexico | GPE | 8 |
| new york bay | LOC | 8 |
| nieuport | GPE | 8 |
| nikola tesla | ORG | 8 |
| north dakota | GPE | 8 |
| oliver lodge | PERSON | 8 |
| paulhan | LOC | 8 |
| newport | GPE | 8 |
| peter cooper hewitt | PERSON | 8 |
| prof. | GPE | 8 |
| the royal institution | ORG | 8 |
| prometheus | PERSON | 8 |
| quebec | GPE | 8 |
| richard arkwright | PERSON | 8 |
| planté | GPE | 8 |
| robert peel | PERSON | 8 |
| eli whitney''s | ORG | 7 |
| francis i. | PERSON | 7 |
| fourdrinier | PERSON | 7 |
| forbes | PERSON | 7 |
| f.r.c.p. | GPE | 7 |
| etruria | GPE | 7 |
| elisha gray | PERSON | 7 |
| duddell | ORG | 7 |
| edinburgh | ORG | 7 |
| durstine | ORG | 7 |
| dickens | PERSON | 7 |
| de vick''s | GPE | 7 |
| gay-lussac | PERSON | 7 |
| de lesseps | PERSON | 7 |
| g. f. scott elliot | PERSON | 7 |
| heat | ORG | 7 |
| geneva | GPE | 7 |
| genoa | GPE | 7 |
| godolphian | PERSON | 7 |
| goodyear | PERSON | 7 |
| gray | ORG | 7 |
| greenock | PERSON | 7 |
| h. m. brock | PERSON | 7 |
| h. w. g. hyrst | PERSON | 7 |
| hackworth | PERSON | 7 |
| henry horn | PERSON | 7 |
| henry viii | PERSON | 7 |
| ii | ORG | 7 |
| indiana | GPE | 7 |
| cook | PERSON | 7 |
| cyrus w. field | PERSON | 7 |
| atwood | ORG | 7 |
| continent | LOC | 7 |
| colonel ingham | ORG | 7 |
| a. williams | PERSON | 7 |
| abraham | PERSON | 7 |
| agamemnon | PERSON | 7 |
| alfred the great | PERSON | 7 |
| allen | PERSON | 7 |
| alpha | GPE | 7 |
| argand | ORG | 7 |
| arlington | GPE | 7 |
| asia minor | GPE | 7 |
| assyria | GPE | 7 |
| israelites | ORG | 7 |
| bart | PERSON | 7 |
| boers | GPE | 7 |
| bologna | ORG | 7 |
| bombay | ORG | 7 |
| borneo | ORG | 7 |
| brass | GPE | 7 |
| burdinghaugh | GPE | 7 |
| c. r. gibson | PERSON | 7 |
| carlyle | ORG | 7 |
| caselli | PERSON | 7 |
| caxton | PERSON | 7 |
| chappe | ORG | 7 |
| charles dickens | PERSON | 7 |
| charlestown | GPE | 7 |
| christ | ORG | 7 |
| christopher columbus | PERSON | 7 |
| cincinnati | GPE | 7 |
| claude grahame-white | PERSON | 7 |
| israel | GPE | 7 |
| francis | PERSON | 7 |
| james hargreaves | PERSON | 7 |
| uncle | PERSON | 7 |
| sicily | GPE | 7 |
| skerryvore | PERSON | 7 |
| spencer | PERSON | 7 |
| sprague | GPE | 7 |
| stella emerson | PERSON | 7 |
| steve | PERSON | 7 |
| strasburg | GPE | 7 |
| sussex | LOC | 7 |
| telephone | ORG | 7 |
| theoretical mechanics | ORG | 7 |
| thomas alva edison | PERSON | 7 |
| thomas carlyle | PERSON | 7 |
| toulon | PERSON | 7 |
| town | ORG | 7 |
| university college | ORG | 7 |
| sheffield | GPE | 7 |
| wales | GPE | 7 |
| walter hunt | PERSON | 7 |
| webster | PERSON | 7 |
| welsbach | PERSON | 7 |
| william siemens | PERSON | 7 |
| wisconsin | GPE | 7 |
| world | ORG | 7 |
| york | GPE | 7 |
| mercury | ORG | 7 |
| pianoforte | GPE | 7 |
| the east river | LOC | 7 |
| the mississippi river | LOC | 7 |
| the travelling post-office | ORG | 7 |
| jersey | GPE | 7 |
| siberia | LOC | 7 |
| villeneuve | PERSON | 7 |
| schweigger | PERSON | 7 |
| moscow | GPE | 7 |
| joe | PERSON | 7 |
| sam | PERSON | 7 |
| kelly | PERSON | 7 |
| koch | PERSON | 7 |
| korn | PERSON | 7 |
| lombe | ORG | 7 |
| luther | PERSON | 7 |
| mainz | GPE | 7 |
| marcellus | ORG | 7 |
| maxim | PERSON | 7 |
| minnesota | GPE | 7 |
| missouri | GPE | 7 |
| moissan | PERSON | 7 |
| morey | PERSON | 7 |
| majesty | PERSON | 7 |
| phonograph | ORG | 7 |
| mr rounds | PERSON | 7 |
| rumford | ORG | 7 |
| new york | PERSON | 7 |
| nebraska | GPE | 7 |
| neilson | PERSON | 7 |
| newbold | ORG | 7 |
| ogle | ORG | 7 |
| pa. | GPE | 7 |
| part ii | PERSON | 7 |
| potter | PERSON | 7 |
| rainhill | GPE | 7 |
| roxbury | GPE | 7 |
| hawaii | GPE | 6 |
| henri farman | PERSON | 6 |
| gnome | GPE | 6 |
| hercules | GPE | 6 |
| holmes | ORG | 6 |
| hammondsport | GPE | 6 |
| hun | PERSON | 6 |
| illingway | PERSON | 6 |
| hare hatch | PERSON | 6 |
| green | PERSON | 6 |
| hall | PERSON | 6 |
| haarlem | GPE | 6 |
| grove | GPE | 6 |
| griffin | PERSON | 6 |
| grahame-white | PERSON | 6 |
| graham | PERSON | 6 |
| jerusalem | GPE | 6 |
| gideon | ORG | 6 |
| indianapolis | GPE | 6 |
| lake superior | LOC | 6 |
| jesus | PERSON | 6 |
| loom | ORG | 6 |
| livy | GPE | 6 |
| george washington | PERSON | 6 |
| lieut | PERSON | 6 |
| lenard | PERSON | 6 |
| leibnitz | GPE | 6 |
| lake ontario | LOC | 6 |
| la france | ORG | 6 |
| ll | ORG | 6 |
| jim | PERSON | 6 |
| kettikat | PERSON | 6 |
| kellerman | PERSON | 6 |
| kansas | GPE | 6 |
| k.c.b. | ORG | 6 |
| julius cæsar | PERSON | 6 |
| jos. | GPE | 6 |
| jones | PERSON | 6 |
| george westinghouse | PERSON | 6 |
| beccaria | GPE | 6 |
| feld | PERSON | 6 |
| bentham | PERSON | 6 |
| brush | PERSON | 6 |
| boomerang | PERSON | 6 |
| bohemia | PERSON | 6 |
| blackburn | GPE | 6 |
| black | PERSON | 6 |
| bertha kent | PERSON | 6 |
| benvenuto cellini | PERSON | 6 |
| bell rock lighthouse | ORG | 6 |
| c.b. | GPE | 6 |
| bath | ORG | 6 |
| arctic | LOC | 6 |
| appleton | GPE | 6 |
| anthony bessemer | PERSON | 6 |
| anderson | PERSON | 6 |
| allied | ORG | 6 |
| m. a. | PERSON | 6 |
| bungy | PERSON | 6 |
| cairo | GPE | 6 |
| f.r.s.e. | GPE | 6 |
| ctesibius | ORG | 6 |
| elswick | PERSON | 6 |
| elizabethan | PERSON | 6 |
| el dorado | LOC | 6 |
| earl stanhope | PERSON | 6 |
| england | ORG | 6 |
| daniel webster | PERSON | 6 |
| daniel | GPE | 6 |
| crewe | ORG | 6 |
| capernaum | ORG | 6 |
| coster | GPE | 6 |
| coolgardie | ORG | 6 |
| coalbrookdale | GPE | 6 |
| clay | ORG | 6 |
| chas | PERSON | 6 |
| charlton | ORG | 6 |
| captain | ORG | 6 |
| louis xiv | PERSON | 6 |
| porto rico | GPE | 6 |
| m. santos-dumont | PERSON | 6 |
| samuel colt | PERSON | 6 |
| vasari | ORG | 6 |
| valentia | ORG | 6 |
| useful | ORG | 6 |
| tyndall | GPE | 6 |
| treasury | ORG | 6 |
| thorsen | PERSON | 6 |
| taylor | PERSON | 6 |
| talleyrand | PERSON | 6 |
| treatise | ORG | 6 |
| sydney | GPE | 6 |
| surgeon | ORG | 6 |
| sun | ORG | 6 |
| sumatra | PERSON | 6 |
| stephensons | ORG | 6 |
| sholes | GPE | 6 |
| shafton | ORG | 6 |
| saxon | PERSON | 6 |
| venus | LOC | 6 |
| voisin | ORG | 6 |
| volumes | ORG | 6 |
| the national museum | ORG | 6 |
| west | LOC | 6 |
| marconi | ORG | 6 |
| the west coast | LOC | 6 |
| the university of edinburgh | ORG | 6 |
| the united states patent office | ORG | 6 |
| the st. lawrence | ORG | 6 |
| the north pole | LOC | 6 |
| the east indies | LOC | 6 |
| watt | ORG | 6 |
| the british association | ORG | 6 |
| wrench | PERSON | 6 |
| worked examples | ORG | 6 |
| woolwich arsenal | ORG | 6 |
| wells | ORG | 6 |
| watson | PERSON | 6 |
| waterloo | ORG | 6 |
| samuel slater | PERSON | 6 |
| wollaston | ORG | 6 |
| ruth | PERSON | 6 |
| otto lilienthal | PERSON | 6 |
| norfolk | GPE | 6 |
| nineveh | GPE | 6 |
| nicholson | PERSON | 6 |
| new south wales | GPE | 6 |
| national museum | ORG | 6 |
| mme | ORG | 6 |
| metallurgy | GPE | 6 |
| mester vane | ORG | 6 |
| meikle | PERSON | 6 |
| matthew boulton | PERSON | 6 |
| matabeleland | GPE | 6 |
| massa tom | PERSON | 6 |
| mashonaland | GPE | 6 |
| marks | PERSON | 6 |
| robinson crusoe | PERSON | 6 |
| madrid | GPE | 6 |
| mansfield | GPE | 6 |
| octave chanute | ORG | 6 |
| mauretania | PERSON | 6 |
| practical | GPE | 6 |
| princeton | PERSON | 6 |
| richmond | GPE | 6 |
| rheims | PERSON | 6 |
| robert stevenson | PERSON | 6 |
| palestine | GPE | 6 |
| ravensworth | PERSON | 6 |
| queen charlotte | GPE | 6 |
| puritan | ORG | 6 |
| publishers | ORG | 6 |
| quaker | ORG | 6 |
| pope | GPE | 6 |
| partch | ORG | 6 |
| pittsburgh | GPE | 6 |
| pisa | GPE | 6 |
| pascal | PERSON | 6 |
| penelope | PERSON | 6 |
| forsdon | ORG | 5 |
| franklin | ORG | 5 |
| f.l.s. | GPE | 5 |
| fairy | GPE | 5 |
| falmouth | PERSON | 5 |
| fred | PERSON | 5 |
| fort myer | GPE | 5 |
| farmer | GPE | 5 |
| figs | ORG | 5 |
| fitzgerald | PERSON | 5 |
| eastman | PERSON | 5 |
| edin | PERSON | 5 |
| delaware bay | LOC | 5 |
| e. a. schÄfer | PERSON | 5 |
| dwight goddard | PERSON | 5 |
| dud | PERSON | 5 |
| doc | PERSON | 5 |
| descartes | PERSON | 5 |
| david bushnell | PERSON | 5 |
| darter | GPE | 5 |
| darius | PERSON | 5 |
| darby | GPE | 5 |
| gin | ORG | 5 |
| damascus | GPE | 5 |
| dana | PERSON | 5 |
| frenchmen | GPE | 5 |
| imperial | ORG | 5 |
| garden city | GPE | 5 |
| gibson | PERSON | 5 |
| java | ORG | 5 |
| cyclopædia | GPE | 5 |
| jas | PERSON | 5 |
| jansen | PERSON | 5 |
| jamestown | GPE | 5 |
| james gordon bennett cup | PERSON | 5 |
| jacobi | GPE | 5 |
| john thornton | PERSON | 5 |
| james watt | PERSON | 5 |
| j. | GPE | 5 |
| inventors | ORG | 5 |
| huntsman | ORG | 5 |
| humphrey davy | PERSON | 5 |
| horatio nelson | PERSON | 5 |
| highlands | PERSON | 5 |
| hero of alexandria | ORG | 5 |
| heinrich hertz | PERSON | 5 |
| hawke | PERSON | 5 |
| havana | GPE | 5 |
| hampton roads | LOC | 5 |
| hamburg | GPE | 5 |
| h.m.s. | ORG | 5 |
| gothic | PERSON | 5 |
| goodwin b. smith | PERSON | 5 |
| goldsmith | PERSON | 5 |
| da vinci | PERSON | 5 |
| belfast | GPE | 5 |
| curies | ORG | 5 |
| art | PERSON | 5 |
| bordeaux | GPE | 5 |
| bob | PERSON | 5 |
| bleriot | ORG | 5 |
| blenkinsop | ORG | 5 |
| blagden | PERSON | 5 |
| bishop | GPE | 5 |
| bentley | PERSON | 5 |
| bavaria | GPE | 5 |
| baldwin | GPE | 5 |
| aunt hannah''s | PERSON | 5 |
| assembly | ORG | 5 |
| arkansas | GPE | 5 |
| braddock | PERSON | 5 |
| archimedean | LOC | 5 |
| applegath | PERSON | 5 |
| anglo-saxon | ORG | 5 |
| ammonia | GPE | 5 |
| american tool builders" | ORG | 5 |
| adams | ORG | 5 |
| acetylene | ORG | 5 |
| 4to. | GPE | 5 |
| 104 | ORG | 5 |
| --_glasgow herald | PERSON | 5 |
| john kay | PERSON | 5 |
| boulogne | GPE | 5 |
| brindley | ORG | 5 |
| court | ORG | 5 |
| cavendish | PERSON | 5 |
| comstock | PERSON | 5 |
| company | ORG | 5 |
| colours | GPE | 5 |
| coles | PERSON | 5 |
| clayton | PERSON | 5 |
| chesapeake bay | LOC | 5 |
| chemistry | GPE | 5 |
| cheltenham | ORG | 5 |
| chelsea | ORG | 5 |
| charles v. | PERSON | 5 |
| channing | PERSON | 5 |
| carlisle | ORG | 5 |
| browning | ORG | 5 |
| carl | PERSON | 5 |
| canton | GPE | 5 |
| camden | GPE | 5 |
| cal. | GPE | 5 |
| courier | ORG | 5 |
| c.e. | GPE | 5 |
| burma | GPE | 5 |
| burke | PERSON | 5 |
| bunsen | PERSON | 5 |
| buchanan | GPE | 5 |
| brussels | GPE | 5 |
| john gutenberg | PERSON | 5 |
| staffordshire | GPE | 5 |
| john malcolm | PERSON | 5 |
| the united states | GPE | 5 |
| universe | ORG | 5 |
| turbina | GPE | 5 |
| tunnel | ORG | 5 |
| trinity college | ORG | 5 |
| travelers aid bureau | ORG | 5 |
| torpedo | GPE | 5 |
| timothy hackworth | PERSON | 5 |
| thomas savery | PERSON | 5 |
| thimonnier | PERSON | 5 |
| telford | PERSON | 5 |
| tebreez | GPE | 5 |
| stories | ORG | 5 |
| williams | PERSON | 5 |
| steinheil | GPE | 5 |
| st. johns | GPE | 5 |
| singapore | GPE | 5 |
| signal hill | GPE | 5 |
| seismograph | GPE | 5 |
| sea | GPE | 5 |
| schools | GPE | 5 |
| schalch | PERSON | 5 |
| saracens | PERSON | 5 |
| samuel pierpont langley | PERSON | 5 |
| samuel crompton | PERSON | 5 |
| uranus | ORG | 5 |
| wright | PERSON | 5 |
| rumsey | ORG | 5 |
| the british islands | GPE | 5 |
| john milne | PERSON | 5 |
| the university of the city of new york | ORG | 5 |
| the society of arts | ORG | 5 |
| the royal academy | ORG | 5 |
| the pacific coast | LOC | 5 |
| the pacific ocean | LOC | 5 |
| the indian ocean | LOC | 5 |
| the gulf of mexico | LOC | 5 |
| the french army | ORG | 5 |
| the delaware river | LOC | 5 |
| the cunard company | ORG | 5 |
| the british admiralty | ORG | 5 |
| walter scott | PERSON | 5 |
| the arabian nights | LOC | 5 |
| the albany academy | ORG | 5 |
| nut | ORG | 5 |
| kodak | ORG | 5 |
| kingdom | GPE | 5 |
| jigger | PERSON | 5 |
| india | GPE | 5 |
| china | GPE | 5 |
| bush | PERSON | 5 |
| westminster abbey | PERSON | 5 |
| welsh | ORG | 5 |
| service & co | ORG | 5 |
| the french government | ORG | 5 |
| robert hoe | PERSON | 5 |
| long island sound | LOC | 5 |
| mr macey | PERSON | 5 |
| montford | GPE | 5 |
| mineola | GPE | 5 |
| michael faraday | PERSON | 5 |
| memphis | GPE | 5 |
| maxwell | ORG | 5 |
| magellan | ORG | 5 |
| macaulay | PERSON | 5 |
| marshall | ORG | 5 |
| mark r. wright | PERSON | 5 |
| lydenburg | GPE | 5 |
| lobengula | PERSON | 5 |
| mushroom | PERSON | 5 |
| little manor | GPE | 5 |
| lightning | GPE | 5 |
| lichfield | PERSON | 5 |
| liberty | GPE | 5 |
| lebanon | GPE | 5 |
| krebs | PERSON | 5 |
| kaffirs | GPE | 5 |
| joshua | GPE | 5 |
| joseph bramah | PERSON | 5 |
| richard trevithick | PERSON | 5 |
| john walker | PERSON | 5 |
| munich | GPE | 5 |
| kirchoff | ORG | 5 |
| nasmyth | PERSON | 5 |
| phoenix | GPE | 5 |
| renard | PERSON | 5 |
| ned newton | PERSON | 5 |
| repulse | PERSON | 5 |
| reis | GPE | 5 |
| preston | ORG | 5 |
| preece | PERSON | 5 |
| poulsen | ORG | 5 |
| poole | ORG | 5 |
| pliny | PERSON | 5 |
| pizarro | ORG | 5 |
| pictorial news co. | ORG | 5 |
| rastrick | PERSON | 5 |
| philip reis | PERSON | 5 |
| pekin | GPE | 5 |
| patent office | ORG | 5 |
| netley | PERSON | 5 |
| parsons | ORG | 5 |
| palmer | PERSON | 5 |
| orient | LOC | 5 |
| ordnance | ORG | 5 |
| new york harbor | LOC | 5 |
| orange | ORG | 5 |
| perrot | PERSON | 5 |
| octavius | ORG | 5 |
| gould | ORG | 4 |
| graham bell | PERSON | 4 |
| grace | PERSON | 4 |
| george eastman | PERSON | 4 |
| giffard | PERSON | 4 |
| george manville fenn | PERSON | 4 |
| george iii | PERSON | 4 |
| genesis | GPE | 4 |
| granville t. woods | PERSON | 4 |
| guiana | ORG | 4 |
| grape | PERSON | 4 |
| great harry | PERSON | 4 |
| gribeauval | ORG | 4 |
| grover | PERSON | 4 |
| hydrostatics | ORG | 4 |
| halske | PERSON | 4 |
| henson | ORG | 4 |
| herman | PERSON | 4 |
| geissler | PERSON | 4 |
| hoe | PERSON | 4 |
| howard | PERSON | 4 |
| gene | PERSON | 4 |
| fairbairn | ORG | 4 |
| galvanometer | ORG | 4 |
| g. d. thane | PERSON | 4 |
| ellen | GPE | 4 |
| humphry | ORG | 4 |
| esq | PERSON | 4 |
| essex | ORG | 4 |
| ethyl | LOC | 4 |
| euler | PERSON | 4 |
| exchequer | ORG | 4 |
| extra crown | PERSON | 4 |
| f.g.s. | GPE | 4 |
| f.i.c. | GPE | 4 |
| f.r.g.s. | GPE | 4 |
| faience | PERSON | 4 |
| ferguson | PERSON | 4 |
| finley morse | PERSON | 4 |
| fisher | PERSON | 4 |
| fiske | ORG | 4 |
| fogers | PERSON | 4 |
| frederick william | PERSON | 4 |
| frelinghuysen | PERSON | 4 |
| friends | ORG | 4 |
| fryer bacon | PERSON | 4 |
| hudson canal company | ORG | 4 |
| kistna | ORG | 4 |
| hungary | GPE | 4 |
| legislature | ORG | 4 |
| lancelot speed | ORG | 4 |
| longmans | ORG | 4 |
| la fayette | PERSON | 4 |
| laboratory | ORG | 4 |
| laennec | PERSON | 4 |
| lake erie | LOC | 4 |
| lance distin | PERSON | 4 |
| lanston | PERSON | 4 |
| lawrence | PERSON | 4 |
| leicester | GPE | 4 |
| kingston | ORG | 4 |
| lewis paul | PERSON | 4 |
| liebig | GPE | 4 |
| limited | PERSON | 4 |
| lister | GPE | 4 |
| lizard | ORG | 4 |
| london times | ORG | 4 |
| long arms | PERSON | 4 |
| long beach | GPE | 4 |
| elias | GPE | 4 |
| l. i. | PERSON | 4 |
| kennedy | PERSON | 4 |
| huntners | ORG | 4 |
| john halifax | PERSON | 4 |
| hydrogen | ORG | 4 |
| i. vii | ORG | 4 |
| introduction | PERSON | 4 |
| iv | ORG | 4 |
| ian hardy | PERSON | 4 |
| instrument | ORG | 4 |
| iron | ORG | 4 |
| isaac | PERSON | 4 |
| j. e. taylor | PERSON | 4 |
| james starley | PERSON | 4 |
| keimer | GPE | 4 |
| james watt''s | PERSON | 4 |
| jellicoe | PERSON | 4 |
| jerry | ORG | 4 |
| jersey city | GPE | 4 |
| jethro wood | PERSON | 4 |
| joel barlow | PERSON | 4 |
| john smeaton | PERSON | 4 |
| joseph banks | PERSON | 4 |
| josiah | PERSON | 4 |
| elihu thomson | PERSON | 4 |
| breech | ORG | 4 |
| electro | GPE | 4 |
| edna henry lee turpin | PERSON | 4 |
| babbitt | PERSON | 4 |
| baltic | LOC | 4 |
| barcelona | GPE | 4 |
| battery | LOC | 4 |
| bayley | PERSON | 4 |
| bazaine | PERSON | 4 |
| belper | GPE | 4 |
| berkshire | ORG | 4 |
| berliner | ORG | 4 |
| bernard | PERSON | 4 |
| berthollet | ORG | 4 |
| berzelius | PERSON | 4 |
| bibles | GPE | 4 |
| borlase | PERSON | 4 |
| bourdon | GPE | 4 |
| braithwaite | PERSON | 4 |
| brandenburg | GPE | 4 |
| brewster | GPE | 4 |
| bridgewater | GPE | 4 |
| broca | PERSON | 4 |
| buenos ayres | ORG | 4 |
| botany | PERSON | 4 |
| boston | GPE | 4 |
| azores | ORG | 4 |
| amazon | ORG | 4 |
| m. arago | PERSON | 4 |
| a. edison | ORG | 4 |
| agriculture | ORG | 4 |
| abraham darby | PERSON | 4 |
| abram s. hewitt | PERSON | 4 |
| alan stevenson | PERSON | 4 |
| alexander the great | PERSON | 4 |
| alfred krupp | PERSON | 4 |
| allies | PERSON | 4 |
| annapolis junction | PERSON | 4 |
| australasia | GPE | 4 |
| anzani | PERSON | 4 |
| apollo | ORG | 4 |
| arlberg | PERSON | 4 |
| arnold | PERSON | 4 |
| arrow | LOC | 4 |
| arthur | PERSON | 4 |
| astronomy | ORG | 4 |
| augsburg | GPE | 4 |
| augusta | GPE | 4 |
| buffon | ORG | 4 |
| bullock | PERSON | 4 |
| burden | PERSON | 4 |
| de forest | ORG | 4 |
| cumberland | PERSON | 4 |
| d. c. | PERSON | 4 |
| d.c.l. | GPE | 4 |
| dahlgren | ORG | 4 |
| dandy | ORG | 4 |
| daniels | PERSON | 4 |
| dardanelles | PERSON | 4 |
| day | PERSON | 4 |
| de foe''s | PERSON | 4 |
| denis papin | PERSON | 4 |
| coventry | GPE | 4 |
| derbyshire | ORG | 4 |
| doc thorsen | PERSON | 4 |
| doubleday, page & co. | ORG | 4 |
| dufay | GPE | 4 |
| duluth | GPE | 4 |
| dundee | ORG | 4 |
| dunkirk | PERSON | 4 |
| electricity | ORG | 4 |
| eagle | ORG | 4 |
| crispin | PERSON | 4 |
| concord | GPE | 4 |
| burdett | PERSON | 4 |
| charcoal | ORG | 4 |
| burstall | PERSON | 4 |
| byron | PERSON | 4 |
| chapter ix | ORG | 4 |
| calthrop | PERSON | 4 |
| camera | GPE | 4 |
| cape town | GPE | 4 |
| cavallo | ORG | 4 |
| cellini | PERSON | 4 |
| ceylon | ORG | 4 |
| charles i. | PERSON | 4 |
| commissioners | ORG | 4 |
| charles morrison | PERSON | 4 |
| charlotte dundas | PERSON | 4 |
| chile | GPE | 4 |
| christianity | ORG | 4 |
| clarence | ORG | 4 |
| clerk-maxwell | ORG | 4 |
| coke | ORG | 4 |
| cologne | GPE | 4 |
| columbia | ORG | 4 |
| luca | GPE | 4 |
| currey | PERSON | 4 |
| m. curie | PERSON | 4 |
| west orange | LOC | 4 |
| thomas blanchard | PERSON | 4 |
| thomas saint | PERSON | 4 |
| tokio | GPE | 4 |
| transcriber | PERSON | 4 |
| transpositor | GPE | 4 |
| tubal cain | GPE | 4 |
| tyree | GPE | 4 |
| us | GPE | 4 |
| umbria | GPE | 4 |
| uncle ben | PERSON | 4 |
| uncle fritz''s | PERSON | 4 |
| vanderbilt | PERSON | 4 |
| vasco da gama | PERSON | 4 |
| veneti | PERSON | 4 |
| vesuvius | ORG | 4 |
| washington | GPE | 4 |
| westward ho | ORG | 4 |
| walter raleigh | PERSON | 4 |
| warren | PERSON | 4 |
| wellfleet | GPE | 4 |
| werner | PERSON | 4 |
| t. e. thorpe | PERSON | 4 |
| sydney smith | PERSON | 4 |
| straits | LOC | 4 |
| sowner | PERSON | 4 |
| skoda | PERSON | 4 |
| smith point | ORG | 4 |
| smoke | ORG | 4 |
| somerset house | ORG | 4 |
| sound | LOC | 4 |
| south kensington | GPE | 4 |
| south wales | GPE | 4 |
| southern california | LOC | 4 |
| southern cross | ORG | 4 |
| st martin''s-le-grand | GPE | 4 |
| stockholm | GPE | 4 |
| st. christopher | GPE | 4 |
| st. pancras | GPE | 4 |
| st. paul''s | PERSON | 4 |
| st. peter''s | PERSON | 4 |
| steam | PERSON | 4 |
| stephen vail | PERSON | 4 |
| sternberg | GPE | 4 |
| steve darville | PERSON | 4 |
| ye | PERSON | 4 |
| werner siemens | PERSON | 4 |
| weston | ORG | 4 |
| silliman''s journal | ORG | 4 |
| weyman | ORG | 4 |
| ore | ORG | 4 |
| rattan | GPE | 4 |
| the army medical school | ORG | 4 |
| the atlantic telegraph company | ORG | 4 |
| the brooklyn navy yard | ORG | 4 |
| the far east | LOC | 4 |
| the french academy of sciences | ORG | 4 |
| the james river | LOC | 4 |
| the new york | ORG | 4 |
| the north river | LOC | 4 |
| the pony express | ORG | 4 |
| the roman empire | GPE | 4 |
| the royal college of physicians | ORG | 4 |
| the royal college of science | ORG | 4 |
| the stamp office | ORG | 4 |
| the united shoe machinery company | ORG | 4 |
| the united states government | ORG | 4 |
| the university of glasgow | ORG | 4 |
| turkey | GPE | 4 |
| us | GPE | 4 |
| m. m. | PERSON | 4 |
| naturalist | ORG | 4 |
| meridian | LOC | 4 |
| magnesia | GPE | 4 |
| wylam | ORG | 4 |
| william ged | PERSON | 4 |
| william gilbert | PERSON | 4 |
| william herschel | PERSON | 4 |
| william lee | PERSON | 4 |
| william murdoch | PERSON | 4 |
| witwatersrandt | PERSON | 4 |
| woods | PERSON | 4 |
| woodward | PERSON | 4 |
| wyatt | PERSON | 4 |
| wöhler | PERSON | 4 |
| gutta | ORG | 4 |
| würzburg | GPE | 4 |
| xi | ORG | 4 |
| xiii | ORG | 4 |
| yosemite | PERSON | 4 |
| ysabel segunda | PERSON | 4 |
| canoe | PERSON | 4 |
| chug-chug | ORG | 4 |
| dynamo | LOC | 4 |
| exclaimed ned | PERSON | 4 |
| simon | PERSON | 4 |
| the liverpool and | ORG | 4 |
| shell | ORG | 4 |
| orleans | GPE | 4 |
| mount | LOC | 4 |
| mr edison | ORG | 4 |
| mulberry grove | PERSON | 4 |
| murdock | ORG | 4 |
| muschenbroeck | PERSON | 4 |
| n. j. davidson | PERSON | 4 |
| n.y. | GPE | 4 |
| nc | GPE | 4 |
| nimmo | ORG | 4 |
| nantucket | GPE | 4 |
| naples | GPE | 4 |
| nassau | ORG | 4 |
| naumkeag | GPE | 4 |
| new york harbour | LOC | 4 |
| niepce | ORG | 4 |
| noah | PERSON | 4 |
| north sea | LOC | 4 |
| nott | PERSON | 4 |
| ohio railroad | ORG | 4 |
| ohm | ORG | 4 |
| oklahoma | GPE | 4 |
| mother brown | PERSON | 4 |
| morristown | GPE | 4 |
| montgomery | ORG | 4 |
| mckay | ORG | 4 |
| shaw | PERSON | 4 |
| m.b. | GPE | 4 |
| mary | ORG | 4 |
| mackintosh | PERSON | 4 |
| malta | GPE | 4 |
| map | ORG | 4 |
| marey | PERSON | 4 |
| maurice | PERSON | 4 |
| maurice farman | PERSON | 4 |
| menai | GPE | 4 |
| moncrief | GPE | 4 |
| merton | PERSON | 4 |
| mesopotamia | LOC | 4 |
| mike gregory | PERSON | 4 |
| mills | ORG | 4 |
| miltiades | PERSON | 4 |
| milwaukee | GPE | 4 |
| miner | ORG | 4 |
| miss knox | PERSON | 4 |
| mohammed | PERSON | 4 |
| oliver | ORG | 4 |
| matzeliger | PERSON | 4 |
| ottmar mergenthaler | PERSON | 4 |
| royalty | PERSON | 4 |
| r.n. | GPE | 4 |
| radio | ORG | 4 |
| rhodes | GPE | 4 |
| richard lovell edgeworth | PERSON | 4 |
| robert boyle | PERSON | 4 |
| robert r. livingston | PERSON | 4 |
| roberts | PERSON | 4 |
| rodman | PERSON | 4 |
| royal tar | PERSON | 4 |
| rugby | ORG | 4 |
| pupin | PERSON | 4 |
| s. c. hall | PERSON | 4 |
| s. f. b. morse | PERSON | 4 |
| scientist | ORG | 4 |
| samuel f. b. morse | PERSON | 4 |
| sandford | PERSON | 4 |
| schoeffer | PERSON | 4 |
| otto von guericke | PERSON | 4 |
| scots magazine | ORG | 4 |
| sewall | PERSON | 4 |
| r. t. glazebrook | PERSON | 4 |
| samuel finley breese morse | PERSON | 4 |
| pueblo | PERSON | 4 |
| pilgrim | ORG | 4 |
| parker | ORG | 4 |
| profusely illustrated | ORG | 4 |
| palladius | PERSON | 4 |
| pasteur | ORG | 4 |
| perth | GPE | 4 |
| philippines | GPE | 4 |
| phineas miller | PERSON | 4 |
| phoenicia | ORG | 4 |
| physics | GPE | 4 |
| peirce | ORG | 4 |
| piltdon opener | PERSON | 4 |
| potassium | ORG | 4 |
| principia | PERSON | 4 |
| priest | LOC | 4 |
| pitt | ORG | 4 |
| potomac | LOC | 4 |
| parson | PERSON | 4 |
| plutarch | ORG | 4 |
| port huron | GPE | 4 |
| poems | ORG | 4 |
| goliath | PERSON | 3 |
| hales | PERSON | 3 |
| hilary bauerman | PERSON | 3 |
| henry j. webb | PERSON | 3 |
| gloucester | PERSON | 3 |
| guttenberg | PERSON | 3 |
| gurney | PERSON | 3 |
| grenelle | GPE | 3 |
| greathead | ORG | 3 |
| gravity | ORG | 3 |
| halifax | GPE | 3 |
| grand trunk | ORG | 3 |
| grace darling | PERSON | 3 |
| governor | GPE | 3 |
| golconda | LOC | 3 |
| gosport | ORG | 3 |
| gorham | PERSON | 3 |
| gordon | ORG | 3 |
| gottlieb daimler | PERSON | 3 |
| henry, | PERSON | 3 |
| hammer | ORG | 3 |
| hilda | ORG | 3 |
| honours | ORG | 3 |
| honolulu | GPE | 3 |
| gladstone | ORG | 3 |
| homer | PERSON | 3 |
| holyhead | ORG | 3 |
| holt | PERSON | 3 |
| his inventions | ORG | 3 |
| hiram s. maxim | PERSON | 3 |
| hibbert | PERSON | 3 |
| harold | PERSON | 3 |
| hertfordshire | GPE | 3 |
| herbert n. casson | PERSON | 3 |
| henry ogle | PERSON | 3 |
| henry a. | PERSON | 3 |
| helen | PERSON | 3 |
| heidelberg | GPE | 3 |
| hautefeuille | GPE | 3 |
| harrison | PERSON | 3 |
| glidden | GPE | 3 |
| franks | ORG | 3 |
| glace bay | LOC | 3 |
| four steel engravings | ORG | 3 |
| foster | PERSON | 3 |
| forth | LOC | 3 |
| forsyth | PERSON | 3 |
| forneyron | ORG | 3 |
| flanders | ORG | 3 |
| first consul | ORG | 3 |
| finsen | PERSON | 3 |
| fifth edition | ORG | 3 |
| fibre | PERSON | 3 |
| fessenden | GPE | 3 |
| ferdinand | PERSON | 3 |
| farmers | ORG | 3 |
| fanny | PERSON | 3 |
| falls | ORG | 3 |
| frank e. beddard | PERSON | 3 |
| hoosac | ORG | 3 |
| field | ORG | 3 |
| foucault | ORG | 3 |
| fourier | ORG | 3 |
| germanic | PERSON | 3 |
| frederick the great | PERSON | 3 |
| george iles | PERSON | 3 |
| george h. corliss | PERSON | 3 |
| geological map | PERSON | 3 |
| genl | PERSON | 3 |
| general electronics | ORG | 3 |
| gaza | GPE | 3 |
| gauss | PERSON | 3 |
| gauls | ORG | 3 |
| gatun | PERSON | 3 |
| gatling | PERSON | 3 |
| gale | PERSON | 3 |
| gutenberg | GPE | 3 |
| grace | PERSON | 3 |
| giant | ORG | 3 |
| g. gore | PERSON | 3 |
| furnaces | ORG | 3 |
| fulton''s folly | ORG | 3 |
| hooks | ORG | 3 |
| king | ORG | 3 |
| horace | ORG | 3 |
| lions | ORG | 3 |
| leeds | GPE | 3 |
| lea | GPE | 3 |
| leblanc | PERSON | 3 |
| langen | PERSON | 3 |
| lancaster | GPE | 3 |
| lake huron | LOC | 3 |
| lake | PERSON | 3 |
| laboratories | ORG | 3 |
| light | ORG | 3 |
| howitzer | ORG | 3 |
| lee | ORG | 3 |
| krag-jorgensen | GPE | 3 |
| koster | ORG | 3 |
| kodak | ORG | 3 |
| kings | LOC | 3 |
| kinetograph | PERSON | 3 |
| kensington | GPE | 3 |
| karl mauch | PERSON | 3 |
| levant | GPE | 3 |
| leverrier | PERSON | 3 |
| lewiston | PERSON | 3 |
| lexington | GPE | 3 |
| eve | PERSON | 3 |
| lumière | ORG | 3 |
| lumiere | GPE | 3 |
| lucania | GPE | 3 |
| lord | GPE | 3 |
| longchamps | PERSON | 3 |
| lodge | GPE | 3 |
| liza | PERSON | 3 |
| livingstone | ORG | 3 |
| liverpool courier | PERSON | 3 |
| lion | PERSON | 3 |
| linotype | ORG | 3 |
| lilley | GPE | 3 |
| lille | GPE | 3 |
| lighting | ORG | 3 |
| lighthouse | ORG | 3 |
| liberia | GPE | 3 |
| kantoor | LOC | 3 |
| kaiser | GPE | 3 |
| jutland | GPE | 3 |
| isthmus | GPE | 3 |
| isabella | PERSON | 3 |
| isaac m. singer | PERSON | 3 |
| invincible | ORG | 3 |
| introduction | ORG | 3 |
| ingham | PERSON | 3 |
| ida lewis | PERSON | 3 |
| inventor | ORG | 3 |
| inorganic chemistry | ORG | 3 |
| index | ORG | 3 |
| iles | ORG | 3 |
| huyghens | PERSON | 3 |
| huskisson | PERSON | 3 |
| huntner | ORG | 3 |
| huns | PERSON | 3 |
| hum | PERSON | 3 |
| hull | ORG | 3 |
| hugh | PERSON | 3 |
| isaiah | GPE | 3 |
| j. c. philip | PERSON | 3 |
| junto | GPE | 3 |
| john lea | ORG | 3 |
| jules verne''s | PERSON | 3 |
| journal of the franklin institute | ORG | 3 |
| joseph marie jacquard | PERSON | 3 |
| johnstone | GPE | 3 |
| john leslie | PERSON | 3 |
| john dalton | PERSON | 3 |
| john bright | PERSON | 3 |
| job | GPE | 3 |
| jenny | PERSON | 3 |
| jason | PERSON | 3 |
| james symington | PERSON | 3 |
| james k. polk | PERSON | 3 |
| james ii | PERSON | 3 |
| james i. | PERSON | 3 |
| james ferguson | PERSON | 3 |
| jamaica | GPE | 3 |
| jacob | PERSON | 3 |
| f.r.a.s. | GPE | 3 |
| captain m''dougall | PERSON | 3 |
| eradicate | ORG | 3 |
| britons | PERSON | 3 |
| chapter xv | ORG | 3 |
| chapter xiv | ORG | 3 |
| chapter xii | ORG | 3 |
| button | GPE | 3 |
| burlington | GPE | 3 |
| bureau | ORG | 3 |
| buckland | PERSON | 3 |
| brongniart | ORG | 3 |
| brilliant | GPE | 3 |
| charles newbold | PERSON | 3 |
| bridgeport | GPE | 3 |
| bourseul | ORG | 3 |
| borenchuck | PERSON | 3 |
| booth | PERSON | 3 |
| boerhaave | PERSON | 3 |
| boer | ORG | 3 |
| board of trade unit | ORG | 3 |
| blackstone | GPE | 3 |
| chapter xvi | ORG | 3 |
| charles bird | GPE | 3 |
| charlesworth | ORG | 3 |
| chas | ORG | 3 |
| chaldea | ORG | 3 |
| centrifugal | GPE | 3 |
| central asia | LOC | 3 |
| central america | LOC | 3 |
| cawley | PERSON | 3 |
| castle point | ORG | 3 |
| cartridges | ORG | 3 |
| cardan | PERSON | 3 |
| carborundum | ORG | 3 |
| m. | GPE | 3 |
| cape horn | LOC | 3 |
| cape ann | PERSON | 3 |
| canoe | GPE | 3 |
| canaan | GPE | 3 |
| campbell | ORG | 3 |
| calvin baxter''s | PERSON | 3 |
| cxxii | ORG | 3 |
| bismarck | ORG | 3 |
| bigelow | ORG | 3 |
| benvenuto | PERSON | 3 |
| alexander melville bell | PERSON | 3 |
| alex | PERSON | 3 |
| aletsch | PERSON | 3 |
| aleck macey | PERSON | 3 |
| albert | PERSON | 3 |
| agawam | GPE | 3 |
| adriatic | LOC | 3 |
| administration | ORG | 3 |
| adelphi | ORG | 3 |
| abel | PERSON | 3 |
| abbé | ORG | 3 |
| art | ORG | 3 |
| archibald williams b.a. | ORG | 3 |
| alexander macalister | ORG | 3 |
| a.m. pp | PERSON | 3 |
| a. m. herring | PERSON | 3 |
| --_bell | ORG | 3 |
| &c. illustrated | ORG | 3 |
| alexander graham | PERSON | 3 |
| alpha centauri | GPE | 3 |
| benjamin huntsman | PERSON | 3 |
| anatomy | GPE | 3 |
| benj | ORG | 3 |
| bell rock | GPE | 3 |
| beighton | PERSON | 3 |
| beemster | LOC | 3 |
| bedford long | ORG | 3 |
| barber | PERSON | 3 |
| barbed | ORG | 3 |
| ballarat | GPE | 3 |
| baggert | PERSON | 3 |
| bagdad | GPE | 3 |
| bach | PERSON | 3 |
| babbage | PERSON | 3 |
| benjamin | ORG | 3 |
| b. | PERSON | 3 |
| ayrshire | GPE | 3 |
| arthur young | PERSON | 3 |
| andrew meikle | PERSON | 3 |
| charles ii | PERSON | 3 |
| charles persley | PERSON | 3 |
| engravings | ORG | 3 |
| diana | PERSON | 3 |
| dresden | GPE | 3 |
| dreadnoughts | PERSON | 3 |
| drake | PERSON | 3 |
| dr. | GPE | 3 |
| doric | ORG | 3 |
| donovan | PERSON | 3 |
| dodge | ORG | 3 |
| dirck van oss | PERSON | 3 |
| diamond | PERSON | 3 |
| charles s. bradley | PERSON | 3 |
| devil | PERSON | 3 |
| derby | PERSON | 3 |
| denver | GPE | 3 |
| denton cassal | PERSON | 3 |
| denis | GPE | 3 |
| della porta | PERSON | 3 |
| delia | PERSON | 3 |
| delhi | GPE | 3 |
| du halde | PERSON | 3 |
| dumfriesshire | GPE | 3 |
| dumont | ORG | 3 |
| dundas | PERSON | 3 |
| emile berliner | PERSON | 3 |
| elkington | PERSON | 3 |
| einthoven | PERSON | 3 |
| edwin | PERSON | 3 |
| edward somerset | PERSON | 3 |
| edward | GPE | 3 |
| edmund cartwright | PERSON | 3 |
| eddy | PERSON | 3 |
| eberth | PERSON | 3 |
| elizabeth kirby | PERSON | 3 |
| e. keble chatterton | PERSON | 3 |
| e. g. acheson | PERSON | 3 |
| durham | PERSON | 3 |
| dupont powder co. | ORG | 3 |
| dunolly | GPE | 3 |
| dunlop | GPE | 3 |
| dundonald | PERSON | 3 |
| delagrange | PERSON | 3 |
| deeson | PERSON | 3 |
| debierne | PERSON | 3 |
| cornwallis | PERSON | 3 |
| conquest | PERSON | 3 |
| confederate | ORG | 3 |
| columbia university | ORG | 3 |
| coleman sellers | PERSON | 3 |
| clinton | PERSON | 3 |
| clifden | GPE | 3 |
| clerk maxwell | PERSON | 3 |
| claude chappe | PERSON | 3 |
| civil engineering | ORG | 3 |
| cinderella | PERSON | 3 |
| christian science | PERSON | 3 |
| chili | GPE | 3 |
| cheviot | GPE | 3 |
| chesapeake | LOC | 3 |
| cherbourg | GPE | 3 |
| chavez | PERSON | 3 |
| chatterton | GPE | 3 |
| cornell | ORG | 3 |
| cowper | ORG | 3 |
| de vick | PERSON | 3 |
| coxwell | ORG | 3 |
| de kaap | ORG | 3 |
| davidson | PERSON | 3 |
| dartmouth | ORG | 3 |
| dalswinton | PERSON | 3 |
| dakota | GPE | 3 |
| dawson | ORG | 3 |
| david allan low | ORG | 3 |
| cyrus field | PERSON | 3 |
| cyril | GPE | 3 |
| customs | ORG | 3 |
| cuneus | PERSON | 3 |
| cunarder | ORG | 3 |
| cross | ORG | 3 |
| cros | PERSON | 3 |
| cropper | PERSON | 3 |
| creole | ORG | 3 |
| creator | PERSON | 3 |
| lyall | ORG | 3 |
| artificial | ORG | 3 |
| m. danysz | PERSON | 3 |
| treatise | ORG | 3 |
| u. s. s. | PERSON | 3 |
| tzetzes | ORG | 3 |
| tyrol | GPE | 3 |
| tyne | PERSON | 3 |
| tweddle | GPE | 3 |
| tungsten | GPE | 3 |
| trowbridge | PERSON | 3 |
| trinidad | GPE | 3 |
| treadwell | PERSON | 3 |
| thurston | ORG | 3 |
| travelers aid | ORG | 3 |
| transportation | ORG | 3 |
| trafalgar | PERSON | 3 |
| torpedoes | ORG | 3 |
| tomlinson | PERSON | 3 |
| tom thumb | PERSON | 3 |
| tom swift''s | PERSON | 3 |
| tom smith | PERSON | 3 |
| u.s.a. | GPE | 3 |
| ulysses | GPE | 3 |
| vane | ORG | 3 |
| varro | GPE | 3 |
| whitehouse | PERSON | 3 |
| whig | PERSON | 3 |
| whetzell | PERSON | 3 |
| wheels | ORG | 3 |
| westborough | GPE | 3 |
| werner von siemens | PERSON | 3 |
| wegmann | ORG | 3 |
| weathercock | PERSON | 3 |
| watts | LOC | 3 |
| waterford | GPE | 3 |
| washington allston | PERSON | 3 |
| william jago | PERSON | 3 |
| william furneaux | PERSON | 3 |
| william a. tilden | PERSON | 3 |
| w. r. mcnab | PERSON | 3 |
| vercingetorix | GPE | 3 |
| veins | PERSON | 3 |
| tilghman | ORG | 3 |
| thos | ORG | 3 |
| south wellfleet | GPE | 3 |
| stanley | ORG | 3 |
| strada | GPE | 3 |
| stoves | ORG | 3 |
| stone | PERSON | 3 |
| stockbridge | GPE | 3 |
| stephen gray | PERSON | 3 |
| stephen darville | PERSON | 3 |
| steel | ORG | 3 |
| stearns | GPE | 3 |
| stanhope | LOC | 3 |
| thompson | ORG | 3 |
| stanford | ORG | 3 |
| st. paul | GPE | 3 |
| st. joseph | PERSON | 3 |
| st. gothard | GPE | 3 |
| st. george''s hospital | GPE | 3 |
| speedwell | ORG | 3 |
| spectroscope | PERSON | 3 |
| sparta | GPE | 3 |
| struben | PERSON | 3 |
| suffolk | GPE | 3 |
| suns | ORG | 3 |
| the printing press | ORG | 3 |
| thomas wedgwood | PERSON | 3 |
| thomas jefferson | PERSON | 3 |
| thomas edison | PERSON | 3 |
| thomas a. watson | PERSON | 3 |
| thin paper edition | ORG | 3 |
| theodore | PERSON | 3 |
| thebes | GPE | 3 |
| the united states government | ORG | 3 |
| thales | PERSON | 3 |
| telescope | GPE | 3 |
| teddington | GPE | 3 |
| tass | ORG | 3 |
| tom brown''s | PERSON | 3 |
| thomas | ORG | 3 |
| the romance of savage life | ORG | 3 |
| the romance of insect life | ORG | 3 |
| the romance of early exploration | ORG | 3 |
| whitneyville | GPE | 3 |
| william henry | PERSON | 3 |
| william murdock | PERSON | 3 |
| the gun factory | ORG | 3 |
| the niagara river | LOC | 3 |
| the middle west | LOC | 3 |
| the machine of government | ORG | 3 |
| the king of england | GPE | 3 |
| the isle of wight | GPE | 3 |
| the institution of naval architects | ORG | 3 |
| the house of representatives | ORG | 3 |
| the high school | ORG | 3 |
| the grand trunk canal | ORG | 3 |
| william penn | PERSON | 3 |
| the german empire | GPE | 3 |
| the general electric company | ORG | 3 |
| the french academy | ORG | 3 |
| the continental congress | ORG | 3 |
| the connecticut river | LOC | 3 |
| the british patent office | ORG | 3 |
| the british empire | GPE | 3 |
| the british channel | ORG | 3 |
| the north atlantic | LOC | 3 |
| the ohio river | LOC | 3 |
| the orkney islands | GPE | 3 |
| the polytechnic school | ORG | 3 |
| m. santos-dumont''s | PERSON | 3 |
| viz. | GPE | 3 |
| trans-atlantic | LOC | 3 |
| to-- | PERSON | 3 |
| the mould board | ORG | 3 |
| the great ocean | LOC | 3 |
| the western union | ORG | 3 |
| the university of pennsylvania | ORG | 3 |
| the turf coffee house | ORG | 3 |
| the trinity house | ORG | 3 |
| the supreme court | ORG | 3 |
| the submarine defense association | ORG | 3 |
| the special mail | ORG | 3 |
| the south african war | LOC | 3 |
| the seine river | LOC | 3 |
| the roman machine | ORG | 3 |
| the rocky mountains | LOC | 3 |
| the british army | ORG | 3 |
| the board of ordnance | ORG | 3 |
| the bank of england | ORG | 3 |
| anæsthesia | GPE | 3 |
| yorktown | GPE | 3 |
| yorkshire | PERSON | 3 |
| xerxes | PERSON | 3 |
| xenophon | GPE | 3 |
| x. iv | PERSON | 3 |
| wright brothers | ORG | 3 |
| worcestershire | GPE | 3 |
| woodworth | PERSON | 3 |
| woodruff | ORG | 3 |
| wolverhampton | GPE | 3 |
| winthrop | GPE | 3 |
| windsor | GPE | 3 |
| wills | PERSON | 3 |
| williams | PERSON | 3 |
| william of normandy | PERSON | 3 |
| william symington | PERSON | 3 |
| william ramsey | PERSON | 3 |
| zoology | PERSON | 3 |
| army | ORG | 3 |
| the arctic ocean | LOC | 3 |
| cane | ORG | 3 |
| the aero club of america | ORG | 3 |
| the academy of sciences | ORG | 3 |
| t''other | PERSON | 3 |
| sostenuto | PERSON | 3 |
| quoit | GPE | 3 |
| pica | GPE | 3 |
| phut | ORG | 3 |
| moon | PERSON | 3 |
| messenger | PERSON | 3 |
| goo | ORG | 3 |
| fogs | GPE | 3 |
| electro | GPE | 3 |
| electrician | GPE | 3 |
| east | LOC | 3 |
| dingy brick building | PERSON | 3 |
| dang | PERSON | 3 |
| centrifugal force | ORG | 3 |
| southampton | GPE | 3 |
| xvi | ORG | 3 |
| sorbonne | ORG | 3 |
| n.j. | GPE | 3 |
| needles | PERSON | 3 |
| nebuchadnezzar | PERSON | 3 |
| napoleon iii | PERSON | 3 |
| nimmo''s | ORG | 3 |
| new york city | GPE | 3 |
| needle | ORG | 3 |
| nc4 | ORG | 3 |
| navy | ORG | 3 |
| n. c. | PERSON | 3 |
| ph.d. | PERSON | 3 |
| murra | PERSON | 3 |
| murdoch | PERSON | 3 |
| mr turner | PERSON | 3 |
| mr gilmore | PERSON | 3 |
| mozart | PERSON | 3 |
| motor | PERSON | 3 |
| moses g. farmer | PERSON | 3 |
| moses brown | PERSON | 3 |
| nero | ORG | 3 |
| neuronics, inc. | ORG | 3 |
| new york''s | GPE | 3 |
| newburyport | GPE | 3 |
| ovid | PERSON | 3 |
| obed hussey | PERSON | 3 |
| organic | ORG | 3 |
| oliver goldsmith | PERSON | 3 |
| oliver | ORG | 3 |
| nürenburg | GPE | 3 |
| nuremberg | GPE | 3 |
| norwich | PERSON | 3 |
| northern france | LOC | 3 |
| north river | LOC | 3 |
| north atlantic | LOC | 3 |
| nordenfelt | PERSON | 3 |
| nollet | PERSON | 3 |
| nokomis | ORG | 3 |
| nizam | PERSON | 3 |
| nicholas wood | PERSON | 3 |
| nicholas | GPE | 3 |
| mortars | GPE | 3 |
| morin | PERSON | 3 |
| molecules | PERSON | 3 |
| mariotte | PERSON | 3 |
| manche | PERSON | 3 |
| maltese cross | ORG | 3 |
| maloney | PERSON | 3 |
| majestic | GPE | 3 |
| madras | PERSON | 3 |
| macedonia | GPE | 3 |
| macedon | ORG | 3 |
| motor | ORG | 3 |
| moon | ORG | 3 |
| mining | ORG | 3 |
| metallurgy | GPE | 3 |
| m.r.c.s. | GPE | 3 |
| m.i.m.e. | GPE | 3 |
| m.i.c.e. | GPE | 3 |
| m. de lesseps | PERSON | 3 |
| soho | PERSON | 3 |
| m. severo | PERSON | 3 |
| manhattan | GPE | 3 |
| marseilles | LOC | 3 |
| mohawk | PERSON | 3 |
| mason | ORG | 3 |
| mitchell | PERSON | 3 |
| miss kent | PERSON | 3 |
| miss herschel | PERSON | 3 |
| minie | PERSON | 3 |
| milford | GPE | 3 |
| michael chakes | PERSON | 3 |
| metius | ORG | 3 |
| methane | PERSON | 3 |
| mester | ORG | 3 |
| merchiston | ORG | 3 |
| melbourne | GPE | 3 |
| mechanics | ORG | 3 |
| mcmahon | PERSON | 3 |
| mcclure''s magazine | ORG | 3 |
| mayflower | PERSON | 3 |
| matteson | ORG | 3 |
| massachusetts bay | GPE | 3 |
| part ii | ORG | 3 |
| minneapolis | GPE | 3 |
| philip magnus | PERSON | 3 |
| samuel brown | PERSON | 3 |
| scarboro | PERSON | 3 |
| saxony | PERSON | 3 |
| saviour | ORG | 3 |
| savior | GPE | 3 |
| saratoga | ORG | 3 |
| santos dumont | PERSON | 3 |
| santa clara | GPE | 3 |
| san antonio | GPE | 3 |
| salisbury | GPE | 3 |
| rochester | GPE | 3 |
| surgery | ORG | 3 |
| seeley, service & co | ORG | 3 |
| scotland | ORG | 3 |
| ruskin | PERSON | 3 |
| ruhmkorff | PERSON | 3 |
| rubber | PERSON | 3 |
| roxburgh | PERSON | 3 |
| rosse | PERSON | 3 |
| scheele | PERSON | 3 |
| schönbein | PERSON | 3 |
| see metal working. | ORG | 3 |
| seguin | GPE | 3 |
| socrates | PERSON | 3 |
| singer | PERSON | 3 |
| physics | ORG | 3 |
| simplon | ORG | 3 |
| simon lake | PERSON | 3 |
| silesia | GPE | 3 |
| silas wright | PERSON | 3 |
| siemens-martin | PERSON | 3 |
| siege | ORG | 3 |
| shropshire | GPE | 3 |
| shoeburyness | ORG | 3 |
| shinar | ORG | 3 |
| sheepshead bay | LOC | 3 |
| seward | ORG | 3 |
| seth | PERSON | 3 |
| sennacherib | PERSON | 3 |
| selous | PERSON | 3 |
| roe | PERSON | 3 |
| scott archer | ORG | 3 |
| robt | GPE | 3 |
| patrick bell | PERSON | 3 |
| polytechnic | ORG | 3 |
| poland | GPE | 3 |
| pictet | PERSON | 3 |
| philip of macedon | ORG | 3 |
| perry | PERSON | 3 |
| perkins | PERSON | 3 |
| pergamus | ORG | 3 |
| penn | GPE | 3 |
| parthenon | GPE | 3 |
| postmaster-general | ORG | 3 |
| part iii | PERSON | 3 |
| parchment | ORG | 3 |
| paint | ORG | 3 |
| paget | PERSON | 3 |
| robert koch german | PERSON | 3 |
| preface | ORG | 3 |
| pneumatics | ORG | 3 |
| poems | ORG | 3 |
| portrait | ORG | 3 |
| penzance | GPE | 3 |
| potomac river | LOC | 3 |
| r. i. | PERSON | 3 |
| ritter | ORG | 3 |
| rhone | ORG | 3 |
| robert fulton''s | PERSON | 3 |
| reece | ORG | 3 |
| ray coggleston | PERSON | 3 |
| roberts brothers | ORG | 3 |
| r. j. gatling | PERSON | 3 |
| raleigh | ORG | 3 |
| puckeridge | PERSON | 3 |
| quakers | ORG | 3 |
| press | ORG | 3 |
| price 10s | ORG | 3 |
| r. h. thurston | PERSON | 3 |
| richard scott | PERSON | 3 |
| queen isabella | PERSON | 3 |
| r. h. firth | PERSON | 3 |
| hayti | GPE | 2 |
| heart | ORG | 2 |
| henry barnard | PERSON | 2 |
| hector | PERSON | 2 |
| heligoland | ORG | 2 |
| helium | PERSON | 2 |
| harveyized | ORG | 2 |
| henri becquerel | PERSON | 2 |
| henri rochefort | PERSON | 2 |
| hatty | PERSON | 2 |
| heroes | PERSON | 2 |
| henry bell | PERSON | 2 |
| henry booth | PERSON | 2 |
| henry maudsley | PERSON | 2 |
| henry robinson | PERSON | 2 |
| herbert spencer | PERSON | 2 |
| home | PERSON | 2 |
| herring-curtiss | ORG | 2 |
| hiero | PERSON | 2 |
| hiram | PERSON | 2 |
| homeric | ORG | 2 |
| harvard college | ORG | 2 |
| holley | ORG | 2 |
| harvester | PERSON | 2 |
| horse | ORG | 2 |
| hartley | PERSON | 2 |
| halley | PERSON | 2 |
| h. | GPE | 2 |
| hood | ORG | 2 |
| göttingen | ORG | 2 |
| h. a. | PERSON | 2 |
| h. bessemer | PERSON | 2 |
| h. coupin | ORG | 2 |
| hector macpherson | ORG | 2 |
| helen | GPE | 2 |
| hughes | ORG | 2 |
| humboldt | ORG | 2 |
| hallo | PERSON | 2 |
| harris | PERSON | 2 |
| hamberg | PERSON | 2 |
| hammerfield | GPE | 2 |
| hammurabi | PERSON | 2 |
| hampstead | ORG | 2 |
| hampton | PERSON | 2 |
| hancock | PERSON | 2 |
| hans goldschmidt | PERSON | 2 |
| hans lippershey | PERSON | 2 |
| harlem | LOC | 2 |
| harness | ORG | 2 |
| honesdale | GPE | 2 |
| indies | ORG | 2 |
| hoosac tunnel | ORG | 2 |
| indian war | LOC | 2 |
| illuminating | ORG | 2 |
| iron | ORG | 2 |
| iron and steel | ORG | 2 |
| iv.--dr | ORG | 2 |
| ian | PERSON | 2 |
| iceland | GPE | 2 |
| ida | LOC | 2 |
| iliad | ORG | 2 |
| ill. | GPE | 2 |
| important inventions and improvements | ORG | 2 |
| induction coil | ORG | 2 |
| hopetown | GPE | 2 |
| ingersoll | ORG | 2 |
| inventor | ORG | 2 |
| iron pile lighthouses | PERSON | 2 |
| iroquois | GPE | 2 |
| isaac watts | PERSON | 2 |
| isfahan | PERSON | 2 |
| ithaca | GPE | 2 |
| ivory | GPE | 2 |
| guthrie | PERSON | 2 |
| j. anderson | PERSON | 2 |
| iliad | ORG | 2 |
| iii.--henry bell | PERSON | 2 |
| i.--the marquis | ORG | 2 |
| i.--the eddystone | ORG | 2 |
| horatio allen | PERSON | 2 |
| horn | LOC | 2 |
| hospital medical school | ORG | 2 |
| hotchkiss | GPE | 2 |
| houdin | ORG | 2 |
| houston | GPE | 2 |
| howitzers | GPE | 2 |
| hubert latham | PERSON | 2 |
| hudson maxim | PERSON | 2 |
| hudson river | LOC | 2 |
| huggins | ORG | 2 |
| huguenot | GPE | 2 |
| hulls | ORG | 2 |
| hume | GPE | 2 |
| hunter | PERSON | 2 |
| huxley | PERSON | 2 |
| hydrostatics | GPE | 2 |
| i. h. morris | PERSON | 2 |
| i. iv | PERSON | 2 |
| i. vi | ORG | 2 |
| i.--kay | ORG | 2 |
| gyroscope | GPE | 2 |
| fulton | ORG | 2 |
| grüner | ORG | 2 |
| fourteen-foot bank light station | ORG | 2 |
| fiume | GPE | 2 |
| flavio gioja | PERSON | 2 |
| flexner | PERSON | 2 |
| flok | PERSON | 2 |
| flour | ORG | 2 |
| fogarty | ORG | 2 |
| foreign evangelical review | ORG | 2 |
| fortune | ORG | 2 |
| four steel plates | ORG | 2 |
| fourcroy | GPE | 2 |
| fox | PERSON | 2 |
| felicia | PERSON | 2 |
| fox talbot | ORG | 2 |
| francis bacon | PERSON | 2 |
| francis delaval | PERSON | 2 |
| francis ii | PERSON | 2 |
| frankfort | ORG | 2 |
| frauenburg | GPE | 2 |
| frederick krupp | PERSON | 2 |
| frederickshafen | GPE | 2 |
| freiberg mining academy | ORG | 2 |
| fremont | PERSON | 2 |
| first balloon (spherical | ORG | 2 |
| fastnet rock | LOC | 2 |
| griffiths | PERSON | 2 |
| euphrates | LOC | 2 |
| j. c. kieser | PERSON | 2 |
| engineer | GPE | 2 |
| engineers | ORG | 2 |
| equator | ORG | 2 |
| erasmus | ORG | 2 |
| erasmus darwin | PERSON | 2 |
| eratosthenes | ORG | 2 |
| erie | PERSON | 2 |
| eton | PERSON | 2 |
| etonians | PERSON | 2 |
| exodus | ORG | 2 |
| fall river | LOC | 2 |
| f-4 | ORG | 2 |
| f. matthews | PERSON | 2 |
| f. w. baldwin | PERSON | 2 |
| f.o.j. | PERSON | 2 |
| fleeming jenkin | ORG | 2 |
| foulquier | ORG | 2 |
| frank t. addyman | PERSON | 2 |
| fabius | ORG | 2 |
| fables | GPE | 2 |
| fabroni | PERSON | 2 |
| frenchman | PERSON | 2 |
| fry | ORG | 2 |
| fulda | ORG | 2 |
| gordian | ORG | 2 |
| gibraltar | PERSON | 2 |
| gin | ORG | 2 |
| glasgow college | ORG | 2 |
| glasgow green | PERSON | 2 |
| glauber | PERSON | 2 |
| glenn curtiss''s | PERSON | 2 |
| goa | PERSON | 2 |
| godfrey | ORG | 2 |
| gold paint | ORG | 2 |
| gompertz | GPE | 2 |
| gorrie | PERSON | 2 |
| fust | GPE | 2 |
| goths | PERSON | 2 |
| gower | PERSON | 2 |
| grahame-white''s | PERSON | 2 |