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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 386

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 386
341 244 ELECTRIC RAILWAYS tion and assistance from the Department. The steam railroads areadopting plans for tie preservation on a large scale and will thus,at least, double the life of their ties. While efforts are being made to extend the life of woodenties, substitutes are also coming rapidly…

Electrical engineering

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