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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 133

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 133
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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