Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 169
601. SAND AUGER.—Used on the inside of deep wellpipes with open bottom. … 602. DRIVEN WELL.—A clamp stronglybolted to the well pipe on which the weightstrikes to drive the tube. A clamp and twosheaves are bolted at the top of the tube withropes rove through the sheave blocks and madefast to the weight for raising it. The weight ishollow, and rides loosely over the tube.…
Mechanical movements
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