The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 363
posed to be turned with their simi-lar poles in the same direction, and their axis parallel, hence actinglike a group of magnets. It is practically identical with Hughestheory. Magnetism, Terrestrial. The magnetism of the earth. (SeeMagnetic Elements.) Magnetization by Double Touch. The process of… … Fig-. 228. Magnetization by Double Touch. placed between the ends if single magnets are used. The poles areplaced on the middle of the bar and carried back and forth to oneend, then to the other, and soon, ending at the middle of the bar insuch direction as to give each end the same number of…
Electricity
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