A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 379
between A and D is opened, when the pistonsare moved back towards F by the pressure of the column against thesmaller piston—the water previously in C escaping through an openingshown in front of the cock and runs to waste, while that which enters Dis necessarily forced up B at the next stroke of… … No. 161. Pressure Engine from Belidor. A. D. 1739. 356 Westgarths Pressure Engine. [Book III. Suppose the water in A has a perpendicular fall of thirty-four or thirty-five feet, and it were required to raise a portion of it to an elevation ofseventy feet above F; it will be apparent that if both…
Pumping machinery
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