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 127
and thatwhen sufficient is known to deal with the niceties of that art, itwill be reasonable to talk about working with motors. The man who first started on these lines was a German, namedLilienthal. His methods have been much imitated in Franceand America, and require to be fully described in… … Fig. 60.—Herr Hofmann and Mr. PatrickAlexander in the workshop. FLYING MACHINES. 107 down a hill. Later on, with the help of his brother, he usedsails, which were distended to represent the wings of a bird, andmade of calico, supported on a frame of wickenvork. He satwith the lower part of his arms…
Aeronautics
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