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Mechanical movements, powers, devices and appliances; (1903)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 359

An illustration from Mechanical movements, powers, devices and appliances;, 1903, leaf 359 — CEMENT-TESTING MACHINE. —The cement sample is placedin the jaws at H. The sectorB is turned by the worm screwuntil the weight on the arm Cis raised to the limit of thebreaking strain, where the in-dex hand on the graduated arcis caught by the pawl, w^henthe weight falls. … 1450. HYDRAULIC SAND EJECTOR.—A thin annular jet of water, under high pressure,wdll eject sand and water from a sump and dis-charge at an elevation. The principle of the■ Eads ejector dischargings and from the caissonsof the St, Louis Bridge.

Mechanical movements

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