Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 112
. Note the position ofcrank and piston for the midposition of the valve. Practical Considerations.—If the steam-pressure is the sameat the two ends of a pipe there is no motion of the steam. Tosecure velocity, there must be a difference of pressure and to securehigh velocity the difference becomes… … Fig. 63. -^irms- 1 Fig. 64.
Steam-engines · Heat-engines
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