Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 361
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, whenthe weight falls. … 1450. HYDRAULIC SAND EJECTOR A thin annular jet of water, under high pressure,will 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. 1451. TOGGLE STUMP PULLER. —By pulling up the two toggle…
Mechanical movements
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