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 319
osi-tion in which it is carried when the dynamo is in opera-tion, resulting in a perfect bearing. 3o8 THE ELECTRIC HEADLIGHT. Particular attention was necessary with the old stylebrush holders to see that they were always clean, as whendirty they were liable to cause the brush to stick, whichwould… … PLATE 136. COMMUTATOR AND BRUSH DEFECTS.The commutator is a vital part of a dynamo, and, to-gether with the brushes, requires constant attention tokeep it in a satisfactory working condition, and it mustbe mechanically clean to run without sparking. Spots ofpaint or dirt may be on it and get…
Locomotives
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