Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 203
aped magnet, which is drawn into the solenoidswhen the current is turned into the coils. Regulation is made byswitches and rheostat 728. ELECTRIC STREET-CAR BRAKE.—A solenoid, oper-ated by the trolley current, pulls up the brake levers. The springs ^—-=>—^ _/^^^~^ r^ 1—^ -^B, around the piston… … ELECTRIC POWER AND CONSTRUCTION. 195
Mechanical movements
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