Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 162
560. ANCHORED FERRYBOAT.—One of the few methods of crossing a stream byH the action of the current … 561. MUELLER WATER PRESSUREREGULATOR, for reducing a high-pressure worksto any required pressure in the service pipe. Aspindle with one disc valve, two cupped leatherpiston valves, and a regulating spring. The highpressure in the house service pipe is relieved by theclosure of the inlet valve, due…
Mechanical movements
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