Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 399
or negligence, not properly at-tend to his duties, the boiler is without any safeguardwhatever. Hence the importance of any device whichshall reduce the danger to a minimum. A safetyvalve which is automatic, certain in its action, prompfin opening and closing at the required point of pres-sure, and… … Figure 182sectional viewAmerican Pressure Gauge INJECTORS, STEAM GAUGES, ETC m > O> o i X ■> > oQ
Locomotives
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