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 515
red practically perfect. Theboiler pressure was 68 pounds and the spring used was aNo. 40. The steam consumption was reduced to 22 poundsper I. H. P. per hour as compared to 33 lbs. in Fig. 184. J 502 Steam Engineering Figs. 186 and 187 represent diagrams from engine No.3, which was the same size… … Fig. 185 boiler pressure was 60 pounds, and the scale of spring 40.Fig. 187, taken after the necessary adjustments had beenmade, shows much better valve performance. The horsepower developed was 251 and the steam consumption was20.5 pounds per I. H. P. per hour. The rather high rate
