Animal locomotion or walking, swimming, and flying : with a dissertation on aëronautics (1873)
Pettigrew, James Bell, 1834-1908 · London : Henry S. King & Co. · leaf 130
y re- 1 In some cases the posterior marsrin is slightly elevated above the horizon(fig. 53, g). PEOGEESSIOX IX OE THROUGH THE AIR. 10 markable property, that it creates the current on which it risesand progresses. It literally flies on a whirlwind of its ownforming. These remarks apply more… … Fig. 53. If, for example, I take a tapering elastic reed, as representedat a b, and supply it with a flexible elastic sail (c >:!), and aball-and-socket joint (x), I have only to seize the reed at aand cause it to oscillate upon x to elicit all the wing move-ments. By depressing the root of the…
Animal locomotion · Physiology · Aeronautics
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