Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 70
^ independent 8^by 8 engine or electric motor as preferred. \Vm. Sellers & Co., Incorporated, Philadelphia, Pa. 65 Plate No. 50. … 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…
Machine-tools · Machinery
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