Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 281
*::tf% … ENGINE OPERATION 2G9 In a non-condensing engine the pressure of theatmosphere, amounting to 14.7 lbs. per square inch atsea level, is constantly in resistance to the motion of EXHAUSTINLET
