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
^r— <^~~—Q V? V. II. <^ IV. Fig. 239. — Different Ways of Varying the Lead. getting full steam pressure before the piston begins its stroke, it isevident that rotary speed, clearance volume, and height of compressionall exert influence. In any case, the angle of lead — a measure of time— is…
Steam-engines · Steam-turbines
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