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 23
n-structed a flying machine in 1648, and first drew attention tothe enormous force which could be developed by the applicationof steam. Cyrano de Bergerac developed the original idea offastening air-bags to his body, and then allowing them to heatin the sun. He supposed that the heated air would… … FlG. 1.—The throne of Xerxes drawnthrough the air by four tame eagles. THE EAELY HISTOEY OF THE ABT. of the living ship, and in spite of his mistakes it is impossiblenot to admire the acuteness of his reasoning. He clearly under-stood that the air has a definite weight, just like any solid orliquid…
Aeronautics
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