Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 780
ter, or other mattei,to prevent the metals from being torn. And the screw-cutting tools, many of which present much sur-face friction, and also rectangular or still more obtuse edges, almost invariably require oil or other unc-tuous fluids for all the metals. In the practice of metal turning the… … TOOL, RADIAL DRILLliSti—By Messrs. AVurrwoRTH & Co., Manchester. This is an entirelydifferent arrangement of drilling machine from those before described. It embodies the elegaiit feedingapparatus introduced by the same makers, and described in the account already given of their…
Mechanical engineering · Mechanics · Engineering
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