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Cyclopedia of applied electricity a general reference work on direct-current generators and motors, alternating-current machinery, armature winding, storage batteries, interior electric wiring, electric lighting, meters, industrial controllers, electric railways, railway signaling and car lighting, power stations, switchboards, transmission and distribution systems, electrochemistry, welding, etc. / prepared by a corps of electrical experts, engineers, and designers of the highest professional standing.
Gale Nineteenth Century Collections Online: Science, Technology and Medicine, 1780-1925 Available online
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