Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 151
505. DEAN STEAMPUMP.—The valve gearof the Duplex pump. Alever and rock shaft, movedby a spool on the connect-ing rod, operates the valveof the opposite cylinder, for alternating the strokes of the pistons. I40 HYDRAULIC POWER AND DEVICES. … 506. WORTHINGTONDUPLEX PUMP. — Tworock shafts with arms movedby the opposite piston rodalternate the valve motionsand strokes. The water pis-ton is of the plunger form.
Mechanical movements
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