Stationary steam engines, simple and compound; especially as adapted to light and power plants (1899)
Thurston, Robert Henry, 1839-1903 · New York, J. Wiley & Sons; [etc., etc.] · leaf 133
e general impression in regard to this sys-tem of valve motion is becoming considerably and rapidlymodified. What is lost by the drop of pressure between theboiler and the piston, is partly compensated by the variableand automatically adjusted compression obtained with thiskind of motion, as is… … ELECTRIC LIGHTING PLANTS. 113 particular engine is operated, this latter loss, and possibly,to a slight extent, the former, are somewhat reduced bysetting the valve without lead, or even with negative lead,/. e. so that the engine does not take steam until the crankhas just passed the center, and…
Steam-engines
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