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 274
ng from A, express forward pressure,represented by the arrows. The remaining five ordi-nates, counting from B, express counter or back pres-sure, represented by the arrows pointing in theopposite direction. Measuring the pressures alongthe first five ordinates, and adding them together,gives 63.1… … COFFIN AVERAGER OR PLANIMETER. the result is 4.25 lbs. The M. E. P. therefore will be12.65 ~4-25 = 8.4 lbs. Obtaining the M. E. P. with the Planimeter. The areaof the diagram represents the actual work done by the 262 ENGINEERING steam acting upon the piston. In a non-condensingengine the lower or…
