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Scientific American, Vol. 39, No. 20 (November 1878) (1878)

leaf 8

An illustration from Scientific American, Vol. 39, No. 20 (November 1878), 1878, leaf 8
onsist- scriptions of drilling apparatus. In making oblong dead lower end of the drilling spindle. The chuck is constructed square cornered holes, either the substance to be operated in such manner as to admit of the drill traveling automati- upon must be allowed to move in one direction more than… … by Mr. E. J. Reed, takes up Rapiefl's patent, and is patron- TOOL FOB SBILLINO SQTTABE HOLES. ized by the Times. The Electric Lighting Company, pro- moted by Mr. Ilollingshead, is to work the Lontin system, dered necessary by the peculiar movement of the cutting GBEEN'S KOBTISINO UACHINE. and is…

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