The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 30
n a slip of papercarried by the paper drum 24. This drum is moved by a cord, WTappedaround the pulley 27 and pulling against the spring 31, which is attachedto a special mechanism driven by the crosshead and so designed as togive an exact reduced copy of the motion of the engine piston; then asthe… … The Steam or Indicator Diagram. represents the stroke of the engine, and this line MN, drawn by theindicator pencil when steam is shut off, is also the line of atmosphericpressure, or the atmosphere line. Ordinates measured from MN, hkeGH, show the difference between the steam pressure on the under…
Steam-engines · Steam-turbines
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