Engineering reminiscences contributed to "Power" and "American machinist" (1908)
Porter, Charles T. (Charles Talbot), 1826-1910 · New York, J. Wiley · leaf 251
n 194 ENGINEERING REMINISCENCES engines required, the current was always from our pipe into theconnected pipes. I was here first made alive to the enormous waste of steam inthe feed-pumps, a separate one for every boiler, including our own.In these the steam has to follow full stroke, at a pressure… … Diagram from Allen Engin■■, back end of cylinder, at Fair ofAmerican Institute, 1870. motion, permitting the walls of cylinder, heads and piston to becooled very deeply by the exhaust, produces the condensation ofprobably from five to ten times as much steam as is usefully em-ployed, differing…