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Scientific American, Vol. 64, No. 3 (January 1891) (1891)

leaf 4

An illustration from Scientific American, Vol. 64, No. 3 (January 1891), 1891, leaf 4
h the of a sliding gate, of metal, and of sufficient weight to arch portions, the curved top surfaces of both arches steam inlet, and the smaller cylinder is connected by assure its quick descent when released. The bait hook being serrated to produce ratchet teeth. At the cen- another port with the… … and conducts a very extensive business. ORD'S AIR PUMP GOVERNOR. PEAD'S ANIMAL TRAP. ©1891 SCIENTIFIC AMERICAN, INC.

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