Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 136
nt high-speed engine,the latter preferred. The centre of the pulley shaft should be at the same heightas the fulcrum shaft carrying the frame of the saw. Every precaution is takento insure good running at the high velocity required. The pulley is 12 diameterfor 12 belt, and should make about 1800… … GEAR-CUTTING AND WHEEL-DIVIDING MACHINE. Automatic in all its motions ; arranged to cut bevel and spur wheels to4 ft. 6 diameter and 12 face. Division made by wheel and tangent screw care-fully constructed. One full set of change wheels to effect division of wheels from10 up to 360 teeth. Feeds…
Machine-tools · Machinery
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