Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 203
728. ELECTRIC STREET-CAR BRAKE.—A solenoid, oper-ated by the trolley current, pulls up the brake levers. The springs ,H—x=, m, j^^^^X ,g ^=, R. around the piston rods hold back theconnections, actingas buffers. Thepis-^ tons are dividedinto three partseach, to soften thejerk when turningon ,the… … ELECTRIC POWER AND CONSTRUCTION. 195
Mechanical movements
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