Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 675
the brake pipe. In no position ofthe Brake Valve handle is there danger of the brake 645 646 LOCOAIOTIVE ENGINEERING pipe becoming over-charged, or equal to that in the mainreservoir. This equipment is designed so that two pressuresmay be carried in the brake pipe, and also in the mainreservoir. It… … Fig. 281. Supply Portion of Pressure Controller. ment also applies to the pump governor. A sectionalview of this cock is shown in Figs 284 and 285. Whenone regulating top is cut in the other one is cut out andvice versa. This is done to relieve the strain on the regu-lating tops when not working.…
Locomotives
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