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 635
cu-lar position. As the wheel is turned, the point of each wing pushes before it the water that entersthe lower part of the cylinder, and drives it through the valve into the ascending pipe A ; at thesame time the abutment is gradually raised by the curved surface of the wing, and as soon as theend… … ably was known much earlier. Besides the defects common to most of its species, it has one peculiarto itself: as the abutment must be loaded with weights sufficient to overcome the pressure of theliquid column over the valve (otherwise it would itself be raised and the water would escape…
Mechanical engineering -- Dictionaries
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