Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 71
VERTICAL CYLINDER BORING-BAR.To be used with boring and turning mill or special driving gear. Lower.spider supports the work, irpper spider bolted to top flange of cylinder center.s thebar and operates the feed motion. Bar 10 diameter, 12 ft. long for cylinders upto say 9 ft. long. 66 Wm. Sellers… … PULLEY BORING MACHINE.For Pulleys, Car-Wheels, and General Work. Table fitted with universal chuck, taking wheels 36 in diameter. Willbore work up to 6 ft. in diameter if clamped to table. Cross-head for holdingboring-bar balanced and arranged with variable power-feed and quick hand-traverse.…
Machine-tools · Machinery
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