Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)
Pettigrew, James Bell, 1834-1908 · New York : D. Appleton & company · leaf 270
the down stroke than during the up one. It, however,elevates and propels during both, the forward travel beinggreatest during the down stroke. Compound Wave Wing of the Author.—In order to render AERONAUTICS. 243 the movements of the wing as simple as possible, I wasinduced to devise a form of… … being fixed to the head of the piston by a compound joint(#), which enables it to move in a circle, and to rotate along itsanterior margin (a b c d; A, A) in the direction of its length.The circular motion is for steering purposes only. The wingrises and falls with every stroke of the piston, and…
Animal locomotion · Aeronautics
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