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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 277

An illustration from Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules, 1908, leaf 277
120), thuspreventing to a considerable extent the formation of avacuum. The space between the valves is connected 266 COMPOUND LOCOMOTIVES. with the atmosphere through the small vent P, as it hasbeen found advisable to admit some external air in orderto prevent the cylinders from becoming… … FIG. 1—PLATE 120.

Locomotives

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