Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 197
or by clutch on pinion-shaft, as shown. Drivingpulley, 42 diameter, 12 face, .should make 120 revolutions per minute. Fourcylindrical punch holders are .shown in position, and one attached to filling-blockon floor. Two angle punch holders are indicated in position for punching beamflanges. The… … SPUCE PLATE PUNCHING MACHINE. Driven by independent 10 x 12 engine attached to housing. Greatestdistance between outside punches, 20. Complete with 4 punch holders, 4 dieholders and 4 sample punches and dies for same. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 93
Machine-tools · Machinery
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