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 231
s 203 82 MANAGEMENT OF DYNAMO-ELECTRIC MACHINERY called oil circuit breakers. They are manufactured with one ormore poles, sometimes with one tank for all poles and sometimeswith a separate tank for each pole. Switches built along the same general lines are also manu-factured for mounting on walls…
Electrical engineering
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