Stationary steam engines, simple and compound; especially as adapted to light and power plants (1902)
Thurston, Robert H[enry], 1839-1903. [from old catalog] · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 377
ementin its construction and operation. This gain is exhibited inFig, 5, in which are presented the curves of mean efficiencyof the steam engine of the best types from the time of 332 STEAM ENGINES FOR Smeaton and the Newcomen engine to the end of the nine-teenth century. A duty curve measures the… … 1900 _ 2. Fig. 5.—Progress of Steam-engine Efficiency, 1750-1900. sumed per horse-power and per hour. It may be also noted-that the internal wastes of the engine, at first constituting95 percent of all the heat and steam and fuel supplied, havebecome extinguished to such an extent that 80 per cent…
Steam-engines
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