A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 298
ighing 1341bs. raised 8J cubicfeet to the same height in the same time. The application of this pumpis extremely limited, and there is a waste of power in the water that isuselessly raised around the piston at every stroke. The pistons of preceding machines are made of solid materials; butthe pump… … No. 124. Frictionless PlungerPump. Chap. 4.] Mercurial Pump. 275 was to avoid the friction and consequent loss of power in common pumps,he therefore contrived a new way of raising water without any frictionof solids; making use of quicksilver instead of leather, to keep the air orwater from…
Pumping machinery
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