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 101
ock is constructed in two parts, which canbe offset, one from the other, thus closing the port open-ings DD, for the purpose of repacking or renewing theworking parts without detaching it from the boiler whilethe necessary repairs are being made when the boiler isunder steam pressure. When the… … Ex t er/o r //e*9.
Locomotives
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