Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 155
owof oil, which by its non-compressibility pre-vents vibration of the load and holds it atany desired height. This device eliminatesthe jerky motion of the plain air lift. Type of the Craig Ridgway & Son Com-pany, Coatesville, Pa. 372. AIR-OPER-ATED HYDRAU-LIC CRANE. Com-pressed air pressure… … 373. VALVE-LIGHT VENTI-LATOR. The valves are of glass set inframes and hung to swing, controlled byconnecting rods to a vertical pole extend-ing down within reach of the hand. 374. FRUIT-DRYING APPARATUS. A box, a, arranged for receiving perforatedshelves or netting on frames. A fresh-airinlet, g,…
Mechanical movements
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