Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 206
LKVER BAR SHEAR—lo Overreach.For cutting steel bars up to 12 by 2i. Patent toggle-joint stop motion. Fast and loose pulleys, 36diameter, 7 face. 240 revolutions per minute. Shear blades may be set at right angles to position shown lorcutting long bars. Counterbalanced slide. Wm. Sellers & Co.,… … 60 PLATE SHE.\RING MACHINE. For cutting off plates up to 5 feet wide and trinnning plates of any length.In trimming long plates, they should be guided by back and front carriages mov-ing on rails and driven by rack and pinion ; the plates being supported on rollersand clamped at moment of shearing.…
Machine-tools · Machinery
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