Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives (1916)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co., pub. for Sears, Roebuck & co. · leaf 694
Fig. 275. First Graduating Position. Graduating Positions. (Figs 275 and 276.) Thesepositions give a gradual reduction of brake pipe pres-sure for service applications. In Fig. 275 ports M are … W E F # P t ft-;,, jti Fig. 276. Last Graduating Position. blanked and communication from the main reservoir tothe brake pipe is cut off. The straight air ports E andV are also blanked, as well as ports O and W, which arecut off just before the handle reaches the First Gradual- 642 LOCOMOTIVE…
Locomotives
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
