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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 (1910)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 81

An illustration from 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, 1910, leaf 81
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 cyhnder shdes 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 90° and 180°, as shown at a. The three pistonvalves are directly connected…

Mechanical movements

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