Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 689
furnished with schedules B2, B2-S and B2-HP. Fig. 294 shows the quick release valve which is used 66o LOCOMOTIVE ENGINEERING with the B2-S equipment, for switch engine service, toquickly release the pressure from the driver brakecylinders. The lever safety valves shown in Figs. 292 and 293 arefor… … The two lever safety valves, although similar in ap-pearance, are different in operation. In Fig. 292 thevalve RV 133 is of a pop-safety valve design, and whenforced open will remain so until the pressure beneathit has fallen to a trifle less than the force exerted againstit by the spring RV 105 A.…
Locomotives
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
