Forcing Pump

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“The forcing pump is represented where A is a solid piston, working air tight in its barrel. There tube, C leads from the barrel to the air vessel, D. Through the pipe, P, the water is thrown into the open air.G s a gauge, by which the pressure of the water in the air vessel is ascertained Through the water pipe I, the water ascends into the barrel, its upper end being furnished with a valve opening upwards.” -Comstock 1850


water, pump, forcing


Fluid Pumps


J. L. Comstock A System of Natural Philosophy: Principles of Mechanics (: Pratt, Woodford, and Company, 1850) 159


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