Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 121
399. BALANCED REDUCING VALVE. — The spindle of the balanced throttle discsis attached to a large diaphragm by levers, andcounterbalanced by an outside lever withmovable weight for adjustment of the reducedpressure.
Mechanical movements
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