The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 398
et the best re-sults is one that can hardly be reduced to definite terms. In general,two objects are to be kept in view: first, to have the engine run smoothly,without a too abrupt reversal of pressure at the end of the stroke;second, not to waste any of the possible area of the steam diagram…
Steam-engines · Steam-turbines
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