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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 85

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 85
160. FRICTION RELIEF IN DVALVES. This novel method of relievingthe friction of slide valves consists in cuttingdiagonal grooves in the outer bearings of theport face of the steam chest, as shown at a, a.This relieves the pressure of the valve andfacilitates lubrication. 8o STEAM POWER APPLIANCES.… … crank pin and upon each of which a strap fixed to the piston rod ofeach cylinder slides in ways parallel with each piston rod. The throwof eccentrics and crank are each equal to one-half the piston stroke.The eccentrics are at 900 and 1800, as shown at a. The three pistonvalves are directly…

Mechanical movements

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