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Scientific American, Vol. 43, No. 25 (1880) (1880)

leaf 7

An illustration from Scientific American, Vol. 43, No. 25 (1880), 1880, leaf 7
OUS INVENTIONS. on a foot lathe is difficult even when the lathe is provided with automatic feed gear, and it is almost impossible with An improved finger ring has been patented by Mr. David Untermeyer, of New York city. The object of this inven- the ordinary light lathe possessed by most amateurs.… … Distance from base plate to under side of cylinder head, transverse rods entered through said sockets and 9% in. held therein by vertical pins. Diameter of vertical posts, 9-16 in.; distance apart, 344 Mr. Charles F. Clapp, of Ripon, Wis., has in.; length between shoulders, 614 in. patented a novel…

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