Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 283
er walls of the cylinder,the unavoidable friction of the working parts, and from thefact that a certain portion of the pressure must be utilized tocreate a draft for the fire. All these losses must be taken intoconsideration in calculating the work actually done. From the foregoing it will be… … The Steam Pump. 285 accomplished by expansion will be lost. This means not onlya loss of the steam but of a part of the fuel used to generate it. It is therefore advisable to get all the work out of thesteam that is possible and the nearer to atmospheric pressurethe exhaust can be brought the…
Hydraulic machinery · Pumping machinery
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