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 630
steam pressure alone, whereas with the Westinghouseboth steam and spring are utilized to force the steamrvalve piston up. There is an outlet port from thq AUTOMATIC AIR BRAKES 587 steam piston chamber for the purpose of allowing anyback pressure to escape to the atmosphere, which isthe same as in… … I I iVipej to SteamJLjLvalve. To Air Pump Fits Nut2 DP 56 Figure 245 Style C. New York Pump Governor, Steam Valve Open vents the pressure from accumulating under the steampiston. If this pressure were not allowed to escape,the air pressure on top would not be able to force the 588 LOCOMOTIVE…
Locomotives
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