Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 363
volving on radial rollers. … 1471. CABLE HOIST AND CON-VEYER, for excavating canals andtrenches. The upper line is the cable,middle line the traveller, and lower linesoperate the dumping device. CONSTRUCTION AND DEVICES. 355 1472. CANTILEVER HOISTING AND CONVEYING MA-CHINE, Lancaster system. The trussed booms and standing…
Mechanical movements
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