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 103
in theboiler is reduced below the lower water-glass cock, at 92 WATER-GLASS GAUGE. which time the water will flow into the boiler by its ownweight. Should the water in the boiler be reduced to theextent that it would allow the water to flow from thewater-glass, the indication would be that the…
Locomotives
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