Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 192
48 LEVER PUNCHING MACHINE. Working pressure 500,000 pounds, will punch 3 hole in i>^ plate withflat punch. Made also with special bed and slide for punching flue holes up to26 diameter in ^ plate. Has counterbalanced slide and improved toggle-jointstop motion. Bed in two parts connected by I… … 24 1 BKAM IUNCHING MACHINK.With special fixtures for standard beam couuectious, capacity equal to ipunch. Will punch flanges of beams up to 24 deep and web plates 36 wide groups of 5 holes each, the distance between groups being variable to suit thickness of beam for which connections are intended.…
Machine-tools · Machinery
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