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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 129

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 129
A rocker arm linked to the piston rod of each side of the pump oper-ates its opposite valve. 303. VALVE MOVEMENT. Single steam pump. Knowlestype. Freedom from a dead center is secured by the use of the … auxiliary piston A, which works in the steam chest and drives the mainslide valve M. This main valve is of the B form and moves on a flatseat; it has on top a stem which fits into a recess in the chest piston A.In addition to this it has on each end a small lip which alternatelycovers and uncovers…

Mechanical movements

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