A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 313
No. 134. Rotary Pump of the 16thcentury. Chap. 5.] Rotary Pumps. 289 before it, and the vacuity formed, behind is instantly filled with fresh por-tions driven up the suction pipe by the atmosphere ; and when the pistonin its course descends past B B it sweeps this water up the sameway.Bramah and… … No. 135. No. 136. No. 136 represents another rotary engine. A figure of it is inserted therather because it was reinvented here a few years ago by a mechanic whowas greatly distressed on finding that he had been anticipated. A notice ofit may therefore prevent others from experiencing a similar…
Pumping machinery
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