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 18
hase A. C. Circuits, Three-Wire Circuits, SeriesCircuits. Two-Phase Circuits, Three-Phase Circuits—Watt-Hour Meter Con-struction: Commutator Type, Mercury Motor Type, Induction Type—TestingWatt-Hour Meters: Kinds of Tests, Induction Type—Testing Equipment,Typical Tests—Watt-Hour Meter… … RESISTANCE ROOM IN ELECTRICAL TESTING LABORATORY, NATIONAL BUREAU OF STANDARDS Copyright by Waldon Fawcett ELEMENTS OF ELECTRICITYAND MAGNETISM* MAGNETISM 1. Natural and Artificial Magnets. It has been known for manjcenturies that some specimens of the ore known as magnetite (FegOj^ihave the…
Electrical engineering
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