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 129
rcuit breaker used, one pole at a time, for closing thecircuit. The ammeter gives a valuable indication, but it is notalways absolutely necessary. Ill 14 SWITCHBOARDS Equipment for Motors. Small and medium sized motors donot require panels that might be considered under the subject ofswitchboards,…
Electrical engineering
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