Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 321
ibs on the twobeams and the collars are accurately faced to true planes at right angles to theaxis of the draw-bar, and the distance between the two extreme faces of thehydraulic support is made slightly less than the distance between those two planes.Movement of the draw-bar in either direction…
Machine-tools · Machinery
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