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 648
ver them ; N, the body-piece connecting the steam- and water-cylinders ; B, water-cylin-der, with the valve-chest bonnet removed ; M, a valve-seat and valve shown in section ; T, dischargeair-chamber. Steam enters the steam-chest between the two head9 of the auxiliary piston F, which PUMPS, STEAM.… … chest cover. When the piston reaches the end of the stroke, it strikes the small valve /, which opensthe communication between the space at that end of the auxiliary piston and the exhaust-pipe throughthe passage E. At that moment the auxiliary piston moves, the pressure being only on one of its…
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