ECONOMIES IN MACHINE-SHOP WORK TIGS AND SPECIAL TOOLS. SPEEDS AND FEEDS By Oberlin Smith HERE are in modern ma- … ing operations. This expert, together such work are mowing machines, small printing presses, small with such assistant experts as he may have the ability to properly select, must steam engines, and, more typically of make careful study of each piece of the the kind of work in question, type-…
Engineering
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