Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 320
for exhaust steam, thenwhere the vertical through the 350° point on the base line cuts thecurve through the 140° point on the right-hand scale, we find thehorizontal line which, when traced to the left-hand scale, gives 180as the number of B.T.U.s per I.H.P. per minute required by the idealengine… … 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…
Steam-engines
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