Kirkman, Marshall Monroe, 1842-1921 · New York, Chicago, The World Railway Publishing Company · leaf 395
377 LOCOMOTIVE APPLIANCES. automatic air brake on the drivers, and stop the train. By the use of this device engines can be reversed suddenly while running at a high rate of speed, without strain or damage to any portions of the machinery or boiler. RICHARDSON COMBINED PRESSURE AND VACUUM RELIEF… … Fig. 7. Ri chardson Combined Pressure and Vacuum Relief Valve. running shut off, and thus furnishes a free supply of air from the outside instead of its being sucked in
Railroads · Transportation
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