Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules (1908)
National correspondence school of railroading, Chicago. [from old catalog] · [Chicago] · leaf 189
PLATE 54. BALANCE SLIDE-VALVES. A balance slide-valve is a valve so constructed thata certain percentage of the top surface of the valve is ex-cluded from steam-chest pressure. Plate 55 (Fig. 1)shows a Richardson balance valve as it appears insidethe steam-chest. Fig. 2 shows the top of the valve… … FIG. 1
Locomotives
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