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 182
that portionof the valve that is over the seat at any point of travel.With the main ring balancing the valve fully in itscentral or heaviest position, the port ring balancingthe port pressure, and over-travel of the valve on itsseat being equalized by equal exposure at top and bot-tom, it will be… … CO 00 «o iSa LOCOMOTIVE ENGINEERING the double opening for exhaust of same are made clearin Figs. 85 and 87, which show the valve at point ofadmission and point of exhaust respectively. Refer-ring to Fig. 85, the valve is admitting steam to thecylinder port direct, and at the same time is…
Locomotives
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