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 71
to the design of small engines. His subse-quent invention of the injector put him once more in a position torenew his work. In 1868 he made a captive balloon for the exhi-bition in London ; its capacity was 424,000 cubic feet, and its costnearly £30,000. A similar one was made in Paris in 1878,… … Fig. 23.—GifEards second balloon, madein 1855. THE HISTORY OF THE DIRIGIBLE BALLOON. 51 thoroughly worked out in every detail, but was never carried intoexecution. Giffard subsequently became blind, and died in 1882. Nothing further was done till the siege of Paris. The FrenchGovernment then…
Aeronautics
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