Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 188
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… … >.Z2 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 admittingsteam…
Locomotives
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