Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 341
Fig. 1. Mcintosh Pneumatic Blow-Off Cock. (Sectional View.) 332 LOCOMOTIVE APPLIANCES. piston, as it appears in the engraving, Fig. 1, it actsagainst the piston, which shoves both check valvesopen and holds them open against the pressure in the … Fig. 2.Cab Operating Valve Arrangement, Mcintosh Blow-Off Cock. boiler, on account of the area of the piston being thegreater. When the air is exhausted from the pistonthe boiler pressure, aided by the spring, causes the LOCOMOTIVE APPLIANCES. 333 piston to assume its normal position as shown in…
Locomotives
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