Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 214
Fig. 57. Westinghouse Type of OilCircuit Breaker Courtesy of Westinghouse Electric and Manwfacturing Company … Fig. 5S. Oil Circuit Breaker with Solenoid-Operating MechanismCourtesy of Westinghouse Electric and Manu-facturing Company system of levers arranged to givean upward motion of the contactsfor closing. Both these switchesopen by gravity when tripped. Solenoid-Operated. Fig. 58shows another similar…
Electrical engineering
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