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 90
PLATE 14.THE COALE MUFFLER AND SAFETY-VALVE 80 SAFETY-VALVES. ing steam to a minimum, which eliminates the undesirableannoyance of engines blowing off. How to Regulate the Opening and Closing of theValve. To regulate the Coale safety-valve, unscrew cap9, shown in Plate 14, and regulate the tension…
Locomotives
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