Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 60
rse bypower, 20 ft. per minute, up and down the upright, and along the horizontalbed. Thirty speeds, varying from say two rotations of the spindle per minute upto about 180. Machine shown has vertical movement of 11 ft. 6 ; horizontalmovement of 16 ft. Motor, rheostat for regulating motor, full set… … FLOOR-BORING MACHINE WITH MILLING AND BORING FEEDS.Driven by Electric Motor. Diameter of spindle, 4. Stroke, 30. Face of upright to centre ofspindle, 8. Power-feeds variable through a wide range. Quick traverse bvpower, 20 ft. per minute, up and down the upright and along the horizontal bed.Thirty…
Machine-tools · Machinery
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