The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 440
orceactions agree, there being between them only the small differencesneeded to accelerate the pistons. The necessary throttling action is secured in large degree by theuse of very small ports: thus in the machine from which the diagramsin Fig. 289 were taken, the ratio of port area to piston area… … Fig. 290. — Reversing Gear for a Large Rolling-mill Engine. I. Operating cylinder,with steam; II. Brake and holding cylinder, with water or oil. regulating devices, in which the part moved or adjusted must follow acontrol lever or handle. We are not now concerned with the Stephen-son gear, pieces 1…
Steam-engines · Steam-turbines
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