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Scientific American, Vol. 67, No. 5 (July 1892) (1892)

leaf 7

An illustration from Scientific American, Vol. 67, No. 5 (July 1892), 1892, leaf 7
ry. The birds are in- It will be understood that the song of the bird may nary artists, with the repertory peculiar to differ so long as th two wheels, C, have not made a each of them ; the nightingale, the black- revolution, but that the same song must then begin bird, the chaffinch, the canary,… … Fitr. 3.-UECHANICAL SINGING BIRD OF MODERN Fig. l.-MECHANICAL SINGING BIRDS OF THE CONSTRUCTION. EIGHTEENTH CENTURY. chewit, etc. We shall now explain the principle of the There has been an improvement introduced that con- closed in a cage, and the mechanism is contained in mechanism with which it…

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