Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 627
membered that thevalve itself does not have exactly the shape shownin Fig. 257, 258, 259 and 260, but those portions ofthe triple which show passage H, port J, vent valve137, and check valve 139, are shown in Fig. 261 and262. The object had in view in illustrating the valvein Ihis manner was to… … AUTOMATIC AIR BRAKES 605 the excess pressure is accumulated before the train-pipe pressure begins to show on the gauge, whereaswith the Westinghouse system it is just the opposite,as no excess pressure accumulates until after the train-pipe is fully charged. The old style A, New Yorkbrake valve,…
Locomotives
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