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 572
the train-pipe pres-sure lower than that in the auxiliary, but it is abso-lutely necessary that the reduction be made gradually to prevent the emergency action. The old-style brake valve, or three-way cock, hadonly three positions, viz: application, lap and release,and while some men seem to think… … 2 4 — tq 8mauT ntefflBB TO COVEBNOI) Figure 227D-8 Brake Valve and Rotary SeatThere are two kinds of brake valves, one has no feed,valve attachmen and is known as the D-8 and depends 530 LOCOMOTIVE ENGINEERING upon the pump governor to regulate the trainpipepressure. The other kind has a feed-valve…
Locomotives
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