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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 156

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 156
. Ridgwaytype, oil governed. A tube extends from areservoir down the inside of the hollow pistonrod. The reservoir is filled with oil. Whenthe hook is lowered, the oil is drawn into thepiston rod through the check valve. Thechain wheel and needle valve govern the flowof oil, which by its… … 372. AIR-OPER-ATED HYDRAU-LIC CRANE. Com-pressed air pressure ina supplementary cyl-inder forces the waterinto the lifting cylin-der. A water valvegoverns the flow ofwater and holds theweight steady orlocked by closing thevalve. 152 AIR-POWER MOTORS AND APPLIANCES.

Mechanical movements

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