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 100
dbe discharged from the upper one and water from thelower one. If the middle cock is opened it will showwhether or not the water is above or below the middlecock and indicate to the engineman the actual level ofthe water. If the top gauge-cock is open and it dis-charges water it indicates that… … PLATE 18.PLAIN GAUGE-COCKS 90 GAUGE-COCKS. heating surface is in danger of being exposed to the fire.If so exposed a very short time, it will become over-heated, causing the sheets to become hot and softeningthe metal. The pressure being exerted on the sheets atthe time is liable to force them off…
Locomotives
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