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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 179

An illustration from 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, leaf 179
Fig. 59. Sprague-General ElectricContactor 153 58 ELECTRIC RAILWAYS Contactors. The circuit breakers in the form especially de-veloped for traction work are called contactors. Such a contactoris shown in Figs. 59 and GO. It consists of a coil of fine wire sur- … 3LOIV-0(JT^POLE P/ECE Fig. 60 Sprague-General Electric Contactor Diagram rounding a movable plunger and capable of exerting a powerful pullthereon. The lower end of the plunger is attached to a switch armon the end of which is a copper contact finger which is one end of the

Electrical engineering

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