Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 194
Wm. Sellers & Co., Incorporated, Philadelphia Pa. [89 … I90 Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Multiple Punching Machine. PROBABLY the most complete machine that has been made for punchingplate girder work. In combination with a very handy spacing carriage,this machine is made for punching webs and flanges of plate-girders, andthe…
Machine-tools · Machinery
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