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 301
Figure 139 COMPOUND LOCOMOTIVES 301 tion, and are held to their seats by the steam chest pressure when working steam. When running with j closed throttle, the by-pass valves (Fig. 139) are raised from their seats by any pressure on the lower side, assisted by the spring under valve. With the valves…
Locomotives
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