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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 105

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 105
235. NOVEL REDUCING VALVE. Holly type, having a large area and lap ofa flat valve disk. The relative difference ofpressure is regulated by the free hangingweights under the disk, while excessive backpressure tends to close the valve by pressureon the large area of the back of the disk. The wheel… … 236. DIFFERENTIAL EXHAUSTVALVE. For regulating the back pressureon the engine in exhaust steam-heatingsystems. The two-winged valves are nearly bal-anced, requiring only a small weight to bal-ance them and prevent chatter of the valves. STEAM POWER APPLIANCES. IOI 237. AUTOMATIC QUICK-CLOSING…

Mechanical movements

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