Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 313
turned on, because the port, D, remains openuntil the valve is reversed at the opposite end of the stroke. When the piston reaches the latter position, Fig. 280, thevalve is reversed, due to steam entering at A, and again forcingthe pistons apart, as shown. The steam, which drove the 314 Pumps and… … the hollow rod, L, and the port, M. The live steam for thenext stroke from right to left, now enters through ports, N and P
Hydraulic machinery · Pumping machinery
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