Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 169
600. VARIABLE COMPENSATING WEIGHTSfor a hydraulic lift. The weights are picked up oneafter the other. 601. SAND AUGER.—Used on the inside of deep well f \ pipes 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 made fast to the weight for raising it. The weight is hollow, and rides loosely over the…
Mechanical movements
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