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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 101

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 101
Fig. 45. Coupling Boxes Used in Edison Tube System 84 POWER TRANSMISSION 75 to-house distribution and is used to some extent for direct-currentthree-wire distribution in congested districts. It is made up of copperrods as conductors—three of equal size for mains and the neutralbut one-half the size…

Electrical engineering

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