The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 441
/ <-*N Up \\\ \ s IV. / Down 1 i• Fig. 289. — Pressure Diagrams from the Air-brake Pump. approximates a rectangle — except as the reaction may be modified bythe effect of inertia of a long column of water. When the resistance isnot constant, but increases along the stroke as in the air-brake…
Steam-engines · Steam-turbines
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