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 72
irship in Germany. Its shape was that of a solid formed bythe revolution of a ships keel about an axis lying on the deck.Careful hydrostatic experiments led him to the choice of thiscurious shape, which in the middle is more or less cylindrical,and at the ends somewhat conical. Its length was 164… … Fig. 2i.—Dupuy de Lomesballoon, 1872. 52 AIESHIPS PAST AND PEESENT. history of aeronautics it was proposed to use a gas engine, whichwas of the Lenoir type, and had four horizontal cylinders, giving6 h.-p., with an hourly consumption of 250 cubic feet of gas. Thegas for the engine was taken from…
Aeronautics
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