Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 193
omo to 8 bj increments of rV. Spacingchanged at will as work passes throughmachine. Arranged also for punchingangles, channels and beams up to 15deep. Separate roller supports for beamsand angles adjustable simultaneously torequired height. Furnished with icslidingpunch holders with sample punches… … Wm. Sellers & Co., Incorporated, Philadelphia Pa. [89
Machine-tools · Machinery
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