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Scientific American, Vol. 13, No. 2 (September 19, 1857) (1857)

leaf 3

An illustration from Scientific American, Vol. 13, No. 2 (September 19, 1857), 1857, leaf 3
American Ingenuity. Fig. 1 is a perspective view 6f the machine provided by the want of continuity of the Aewv Inventions, Last week we published a list of five cases for which petitions are now before the the large end of the machine. Fig. 3 a transverse section of the important Patent Office,… … saving or money-saving machine of merit— a machine which does really save labor and parts. Ais the case or concave which may at the small end of B, but which are distri- money, and actually reduces the cost of social be of wood in either one or two thicknesses buted over its whole surface except at…

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