Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 337
fting. In drifting, the three-way cock should bein simple position whenever it can be done without toomuch loss of air by leakage of separate exhaust valveor piping. Most of the recent compound locomotivesare provided with a small drifting valve, in main throt-tle valve, so arranged that it can be… … o COMPOUND LOCOMOTIVES 331 mth a small drifting valve, by a slight opening- ofmain throttle. Examination. Enginemen should ascertain if sepa-rate exhaust valve is in good working condition beforestarting out with train, by trying the engine simple andCompound before coupling to the train. The…
Locomotives
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