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 847
alve, in that it causes a slight, but 790 LOCOMOTIVE ENGINEERING definite reduction in brake pipe pressure locally, at eachvalve. The effect of a reduction in brake-pipe pressure,made at the brake valve, is thus quickly and uniformlytransmitted from car to car throughout the train. Theamount of air… … .wr:\m FIG. 353. FULL-SERVICE POSITION service position, the quick service port y is restricted asit approaches this position and completely closed justbefore service port z is fully open, as shown in Fig. y^. The amount of opening given the service port in anycase, depends upon the rate of…
Locomotives
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