Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon (1908)
Hildebrandt, A. (Alfred), b. 1870, Story, W. H. tr · New York, D. Van Nostrand company · leaf 32
y electrical means. They lighted afire below their balloon and fed it with wet straw and wool.The first balloon was soon burnt; but they constructed another THE INVENTION OF THE AIE BALLOON. 11 which held 700 cubic feet and rose to a height of 1,000Jit.Gradually they carried out their experiments… … Fig. -Ascent of a Moniffolfiere. balloon rose in the presence of the astonished spectators to aheight of 1,000 ft., but fell to the ground in ten minutes owing tothe gradual escape of the hot air. The Academie des Sciences, which has always turned itssearching glance on any mechanical improvement,…
Aeronautics
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