The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 378
Fig. 222.—The Zeuner Diagram. upward from MN, parallel to OP, t is toward the right, or plus; ifdownward, or in the direction OQ, it is toward the left, or minus. Thisis the Reuleaux or ordinate diagram of valve movement. The derivation and form of the Zeuner or polar diagram are givenin Fig. 222.…
Steam-engines · Steam-turbines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
