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Scientific American, Vol. 42, No. 22 (1880) (1880)
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ket, and lift the pump rod when the piston rises. A branch pipe is connected with the hydraulic cylinder below the piston. A waste pipe leads from the hydraulic cylinder to a water tank at the central station, from which the water is pumped into an accumulator. A valve is arranged in the length of… … as seven varieties were reported as favorably of the novel points embodied “standing well” temperatures even in Mr. Firth’s communication. © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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