Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 309
and is suspended from the pivot upon which the table turns ; the outer ends ofthe arms are connected by transverse beams or cross-girts which carry the Fig … wheels that bear on the circular track and take the tip of the table when the loadis not balanced. The pivot centre itself consists first of a conical post with abroad base, for bolting securely to a large capstone upon a suitable foundation. Wm. Sellers & Co., Incorporated, Philadelphia, Pa.…
Machine-tools · Machinery
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