Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 321
250 300° 350 TEMP: OF INITIAL STEAM Fig. 357. 400 304 STEAM-ENGINE THEORY AND PRACTICE. by Professor Boulvin, illustrates a useful method of traasferring iafull the indicator-diagram to the B^ chart. By means of such transferit is readily seen where the losses in any engine or combination ofengines… … Fig. 358. to it per pound of steam, and by plotting diagrams from sepaiateengines whose performance it is desired to compare one with the other,it is easily seen where and in what respect one engine is superior toanother in efficiency as a heat-engine. Four axes are drawn from centre 0, in Fig.…
Steam-engines
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