        item: #1 of 6
          id: 16085
      author: Verne, Jules
       title: A Voyage in a Balloon (1852)
        date: None
       words: 7394
      flesch: 75
     summary: Here is the first aerial voyage undertaken by Pilatre des Rosiers and the Marquis d'Arlandes, four months after the discovery of balloons. See this game of balloons; it contains the whole history of the aerostatic art.
    keywords: air; balloon; blanchard; car; feet; gas; height; metres; unknown; voyage; wind
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        item: #2 of 6
          id: 21708
      author: Ballantyne, R. M. (Robert Michael)
       title: Up in the Clouds: Balloon Voyages
        date: None
       words: 26235
      flesch: 64
     summary: After this, balloon ascents became frequent. It is well known that balloons, filled with appropriate gas, will rise.
    keywords: aeronaut; air; ascent; balloon; car; clouds; coxwell; descent; earth; feet; fire; gas; ground; height; machine; man; means; men; miles; monsieur; nadar; parachute; power; sun; time; voyage; water; wind; wings
       cache: 21708.txt
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        item: #3 of 6
          id: 36252
      author: Rotch, Abbott Lawrence
       title: Sounding the Ocean of Air Being Six Lectures Delivered Before the Lowell Institute of Boston, in December 1898
        date: None
       words: 35048
      flesch: 53
     summary: Society for Promotion of Aërial Navigation, 86, 93, 106 Glaisher (J.), balloon ascents, 75 _et seq._, 93 Green (C.), aeronaut for Welsh, 74 Grimaldi (F. M.), first measured clouds trigonometrically, 52 Guericke (O. von), experiment of Magdeburg hemispheres, 16 H Hagström (K.), measured clouds, 53 Halley (E.), measured heights by barometer, 17 Hann (J.), 36, 173 Han Sin, employed kites in warfare, 117 Hargrave (L.), invented cellular kite, 129 Harrington (M. W.), advocated exploring air with kites, 125 Harvard College Observatory, 35, 48 Hazen (H. A.), highest balloon ascent in America, 85 Height of balloon, Cailletet's apparatus for obtaining, 113 Heights of kite-flights at Blue Hill, 21, 140 ---- how measured by barometer, 17, 101 Heim (A.), voyage across the Alps, 92 Hellmann (G.), historical researches, 12 Helmholtz (H. von), wave-cloud, 40 Hergesell (H.), President of Aeronautical Committee, 108 Hermite (G.), 98, 99, 101 Hildebrandsson (H. H.), 42, 65 Hodgkins' Fund of Smithsonian Institution, grant from, 131 Howard (L.), cloud nomenclature, 41 Humboldt (A. von), 18, 20, 35 Humidity, changes with altitudes, 34, 71, 73, 77, 151, 169, 171 ---- diurnal changes at different altitudes, 153 ---- types of change with altitudes, 159 _et seq._ Hutton (J.), cause of precipitation, 38 Hygrometer, invention of, 13 J Jeffries (J.), first scientific balloon ascent, 69 ---- first to cross the English Channel, 71 Jourdanet (D.), hypothesis of descent of man, 24 Jovis, balloon ascent, 84 Jupiter, analogy between cloudiness on earth and on, 51 K Kepler (J.), height of atmosphere, 12 Kew Observatory, 53, 74, 122 Köppen (W.), cloud atlas, 43 Kirwan (R.), temperature at different latitudes, 18 Kite, antiquity of the, 117 ---- Eddy or Malay, 124, 129 ---- flights at Blue Hill, 21, 137, 140, 142 ---- Hargrave, 129, 132 ---- (Grand Duke), distributed meteorological instruments, 17 Fergusson (S. P.), 35, 53, 126, 128, 131, 136 Ferrel (W.), theory of cyclones, 173 Flammarion (C.), balloon ascents, 81 Flying machines, future, 59, 174 Fonvielle (W. de), 81, 108 Förster (W.), hypothesis of _Himmelsluft_, 28 Forecasting by kites, 143, 147 Franklin (B.), experiment with kites, 121, 123 Franklin Kite Club, 121 G Galileo (G.), 14, 15 Gay-Lussac (J. L.), balloon ascent, 20, 73 German Emperor (William II.), patron of aeronautics, 86 ----
    keywords: air; altitude; ascent; atmosphere; balloon; blue; blue hill; clouds; day; earth; feet; fig; ground; height; hill; humidity; instruments; kites; meteorological; metres; miles; observations; plate; pressure; temperature; thermometer; time; velocity; weather; wind
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        item: #4 of 6
          id: 43809
      author: Franklin, Benjamin
       title: Benjamin Franklin and the First Balloons
        date: None
       words: 6259
      flesch: 69
     summary: Although the American owners of these copies did not allow them to be transcribed, Mr. Smyth states that he printed one letter from my copy, and he noted how the other copies differed from the drafts in the University of Pennsylvania. from whence I could well see it rise, & have an extensive View of the Region of Air thro' which, as the Wind sat, it was likely to pass.
    keywords: air; balloon; bigelow; copy; experiment; franklin; letter; sir; smyth; wind
       cache: 43809.txt
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        item: #5 of 6
          id: 48313
      author: Johnson, Rossiter
       title: Phaeton Rogers: A Novel of Boy Life
        date: None
       words: 74232
      flesch: 87
     summary: At last Ned got out of patience. A few rods farther on, we met Ned Rogers walking toward home.
    keywords: aunt; away; box; boys; course; day; dollars; door; end; father; fay; fire; going; good; ground; hand; holman; home; house; invention; jack; jimmy; kite; look; men; mercy; monkey; ned; office; patsy; people; phaeton; red; right; roe; saw; string; thing; thought; time; town; want; water; way; work
       cache: 48313.txt
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        item: #6 of 6
          id: 861
      author: Bacon, John M. (John Mackenzie)
       title: The Dominion of the Air: The Story of Aerial Navigation
        date: None
       words: 90475
      flesch: 59
     summary: It is time then, taking events in their due sequence, that mention should be made of the endeavours of various savants, who began about the commencement of the nineteenth century to gather fresh knowledge from the exploration of the air by balloon ascents organised with fitting equipment. When, then, to this great outlay was added the difficulty and delay of producing a sufficient supply by what was at best a clumsy process, as also the positive failure and consequent disappointment which not infrequently ensued, it is easy to understand how through many years balloon ascents, no longer a novelty, had begun to be regarded with distrust, and the profession of a balloonist was doomed to become unremunerative.
    keywords: account; aeronaut; air; air balloon; altitude; ascent; ballast; balloon; balloon ascent; car; case; chapter; cloud; country; course; coxwell; currents; day; degrees; descent; direction; distance; earth; experience; fact; feet; flight; flying; following; gas; glaisher; great; green; ground; half; hand; height; hour; left; machine; man; means; miles; minutes; moment; new; night; occasion; p.m.; parachute; paris; place; point; power; rope; sea; sky; spencer; success; surface; temperature; time; valve; voyage; water; way; wind; years
       cache: 861.txt
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