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 273
a series of experimentsmade by the author for the purpose of ascertaining thefriction of shafting and machinery, and the engine itwas obtained from is a Buckeye 24 x 48 in. Theboiler pressure at the time was only 40 lbs., and a No.20 spring was used. The ordinates are drawn accord-ing to the method… … FIGURE 92. in., as the width of the spaces; the two end spacesbeing one-half of this, or T\ in. wide. The first fiveordinates, counting 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…
