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Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics (1874)

Pettigrew, James Bell, 1834-1908 · New York : D. Appleton & company · leaf 255

An illustration from Animal locomotion, or Walking, swimming, and flying, with a dissertation on aëronautics, 1874, leaf 255 — would fall ina line between b and /, probably in x h. It could not possiblybe otherwise; the wing described and figured by Borelli andMarey is in one piece, and made to vibrate vertically on eitherside of a given line. If, however, a wing in one piece iselevated and depressed in a strictly… … <l

Animal locomotion · Aeronautics

Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.

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