Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 152
514. LIFT AND FORCE PUMP, with solidpiston. In this form the power is divided; theup-stroke is equal to the lift or suction, and thedown-stroke equal to the force required for anyheight. 515. TRAMP PUMPING DEVICE, some-times called the Teeter pmnp. A self-evidentillustration of an obsolete practice.
Mechanical movements
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