Practical stationary engineering : in form of questions and answers (1909)
West, Andrew Cassius, 1855- · Boston, Mass. : A.C. West · leaf 238
£CCBNT-R-I.Q Too fRR rftfEBTFigure 76. AMERICAN THOMPSON IMPROVED INDICATOR 225 Excessive lead is shown by the lap where compressioncurve extends up to the steam line. The lead carries theadmission line above it on account of piston moving againstthe incoming steam. … Figure 77. How is a theoretical expansion curve on card constructed? On the diagram lay off the line CD from the atmosphericline equal to 14.7 pounds (using same scale as spring in in-strument when card was taken). From the admission line draw BC, this distance represent-ing the clearance (as found…
Steam engineering · Steam-engines · Steam-boilers
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