Locomotive operation; a technical and practical analysis (1904)
Henderson, G. R. (George R.), b. 1861 · Chicago, Railway Age · leaf 158
ring the height of thesteam line from the atmospheric line, and subtracting the heightof the back-pressure line, at each and every point, the back-pressure line being taken from the opposite end of cylinder,as it acts against the piston. This, in effect, gives us the dis-tance between the steam… … Fig. 44. tically between the heavy lines, we shall have the effective orinstantanous piston pressure at that point of the stroke, the dis-tance measured being taken, of course, in connection with thescale of the indicator spring. At the shaded portion, the pres-sure will be against the piston, and…
Locomotives
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