A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 304
espigot into the barrel, but attempted to drive the barrelon the spigot. Sometimes pumps with solid and hollow pistons arecombined as in No. 130, a contrivance of Mr. Treve-thick. The cylinder of a forcing pump communicateswith that of an atmospheric one ; both piston rods areconnected to a… … No. 130. TrcvethicksPump. fresh portions through the suction pipe. Whe Chap. 5.] Rotary Tumps. 281 the pistons descend, the valve on the suction pipe closes, and the solidpiston drives the water in its cylinder through the hollow one in the other,so that whether rising or falling the liquid…
Pumping machinery
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