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Mechanical movements, powers, devices and appliances (1901)

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

An illustration from Mechanical movements, powers, devices and appliances, 1901, leaf 359 — 1445. PUG MILL, with spiral worm in a conicalshell, for mixing mortar, concrete, or other material. 1446. CONICAL PUG MILL for mixing clays,mortar, concrete, and other material. 1447. CONICAL MIXING BARREL formortar, concrete, or other material. 1448. CONCRETE MIXER.—A rectan-gular box of iron… … uutwvun 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 tlie pawl, whenthe weight falls.

Mechanical movements

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