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 107
*W Hip,^, … ELECTRIC-LIFTING MAGNET HANDLING WIRE SCRAP The Magnet is Swung over a Pile of Scrap, and When the Current is Turned on the Scrap Literally Jumps up to the Magnet. It is Then Carried over a Car and the Circuit Broken, Releasing the Wire Scrap. THE ELECTRIC CURRENT. I3, In calculating resistances at…
Electrical engineering
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