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Scientific American, Vol. 88, No. 10 (1903) (1903)
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y improbable, the solution When alighting, the bird assumes nearly an erect of the great problem by other means is now believed to posture, as any one may verify for himself by watch- be possible by the most competent thinkers on the sub- ing a pigeon alight in the street, and beats its wings ject.… … wing of the bird in cause it was found im- flight is being some- possible with the facili- what more carefully, ties at command te © 1903 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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