Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 308
noteconomical unless it is using heat that would otherwise be neces- SMALL AUXILIARIES. 287 sarily wasted. As in many other things, heating economies arepossible in a large plant that are not practically possible in a smallone. Similarly plants that are run for short intervals only cannotuse… … M.E.P. 144.75 Spring, linch=83.19lbs. A.-Line Coo ley O.-Line Fig. 149. period of time. Hence with a uniform load and good feed-water aneconomizer may pay for itself. The amount of feed-water required per horse-power variesfrom— 40 to 25 pounds for simple engines,25 to 15 pounds for compounds,20 to…
Steam-engines · Heat-engines
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