Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 632
descends, the valves a and e are shut, while d and c are opened, water entering behind the pistonthrough d, and being forced in front of it through e and up the pipe C D. When the piston is raised,the position of the valves is reversed, the water entering through a and being forced out through…
Mechanical engineering -- Dictionaries
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