The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 408
ch for economy renders desirable a valve actionwhich will not cut away so much of the possible effective area of thesteam diagram as is lost, for instance, in Fig. 74. Simpler than thearrangements with separate valves and ports for admission and ex-haust, and with no limitations as to speed, the…
Steam-engines · Steam-turbines
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