Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · 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 R is at a point just before release begins. FromC draw line C D parallel with the atmospheric line.…
