Industry
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The Keystone No. 5 ½ Traction was manufactured by the Keystone Driller Company of Beaver Falls, Pennsylvania, from the mid-1920's to about 1930. It had a maximum drilling depth of 1,000 feet, weighed 23,100 pounds, and required 35 to 45 horsepower. The self-propelled unit used a McCormick-Deering tractor with three forward speeds and one reverse. Tools furnished with a new machine included guy wires and clamps, turnbuckles, stakes and eyes, 8-inch double and triple blocks, 85-foot Manila rope, a spring bottom oiler, 6-inch and 10-inch monkey wrenches, an S wrench, cap and socket wrenches, short and long handle socket wrenches, a cold chisel, cold punch, funnel, water pail, grease cups, a can of grease, belt, clamps and lace, belt punch, rivet iron, chain cleats and fasteners, and a tool box with lock and key.
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