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 617
iameter, low-pressure air cylinder twelve inches in diameter, stroketwelve inches. When the New York duplex air pump is in operationthere is but one set of pistons, one steam and one airpiston, in motion at anyone time. Each steam pistoncontrols the action of the reversing valve for theopposite… … tpiPEFROM BOILER 2-OPJ5£-72 OP 5572 DP 192 DP 15- 1 DP 7V2 DP 5 DRAIN COCK Figure 239 New York Duplex Air Pump, Pistons at Rest AUTOMATIC AIR BRAKES 575 The reversing mechanism of the New York air pumpis similar to that of the Westinghouse. The steampiston rod is hollow, and on the reversing-valve…
Locomotives
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