Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 65
^ satisfactorilyused for pump cylinders from yj4 to 14 diameter, this range being covered bytwo cutter heads, each provided with four flat cutters. 6o Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Plate No. 45. … DOUBLE HORIZONTAL BORING MACHINE.For Duplex Pump Cylinders. The work is clamped to the table and fed toward the boring cutters whichare in a fixed position on the bars. The distance between boring bars may bevaried by changing driving wheels or by substituting other driving heads. Tablehas quick…
Machine-tools · Machinery
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