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 281
270 COMPOUND LOCOMOTIVES. … FIG. 2. PLATE 122. FIG. 3. the starting valve becomes inoperative, causing the engineto work compound. Fig. 3, Plate 122, shows the startingvalve closed. The high pressure steam port and the passage sur-rounding the by-pass valve have communication with thestarting valve. The starting valve, which…
Locomotives
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