Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 190
hearing Attachment. Capable of punching 114 holes in i steel plate with flat punch. Over-reach from centre of main punch holder to back of throat, 36. Front punch forflanges and angles. Toggle-joint stop motion, counterbalanced slide and auto-matic knockout. Machine operated by hand-lever or… … 36 LEVER PUNCHING MACHINE—with 8 x 8 Engine. Working pressure 400,000 pounds, will punch ijA hole in 1% steelplate. Has counterbalanced slide and patent toggle-joint stop motion ; reversalof front counterweight will cause slide to stop automatical!}^ at top of stroke.Double geared. Made also to…
Machine-tools · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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