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 76
JOINTRING TO BOILER … W^M > s^wa a Plate 8 BOILER CHECK WITH STOP VALVE 66 BOILER CHECKS. 7). The lift of the check-valve should be in proportionto its diameter and the capacity of the injector, the liftvarying with the different sizes of injectors and check-valves. An additional or intermediate check-valve is used…
Locomotives
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