Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 290
Fig. 2;53. Fig. 24. the opposite end ; the exhaust steam from the steam chestescapes from before it, through the exhaust port, K. the open-ing of which into the chest is at such a distance from thehead as will permit sufficient exhaust steam to remain toafford a cushion to the valve piston.
Hydraulic machinery · Pumping machinery
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