Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 168
597. DOUBLE-BEAT PUMP VALVE, Cor- I nish model. The upper seat is supported by a I cross-bar, in which is fixed the guide-pin that^ carries the valve. … 598. DOUBLE-BEAT PUMP VALVE orrelief valve.— The valve spindle may beloaded by weight or spring. ^s^^l^^^^^^^^ i6o HYDRAULIC POWER AND DEVICES.
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
