Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 541
g For the benefit of those who may desire to test this methodof ascertaining the percentage of clearance of their en-gines, several illustrations will be given of its applicationto actual diagrams taken from engines in which the clear-ance was known. Fig. 211 is from an engine in which the… … Fig. 211 Select two points, C and E, in the curve as far apart aspossible, but be sure that they are each within the limits ofthe true curve. Thus C is located just after cut off takesplace, and E is at a point just before release begins. FromC draw line C D parallel with the atmospheric line.…