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 144
felt in the cir-cuit of the other end coil. Prof. Henry extended the series so asto include seven successive inductions, sometimes called induc-tions of the first, second, third and other orders. Frequentlyribbon coils (see Coil^ Ribbon^) are used in these experiments. Coils, Sectioned. A device… … is turned off the one in tlierear or passing to the rear and turned intothe next one in advance. The principle was utilized in one ofPages electric motors about 1850, and later by others. The port-electric railroad, q. v., utilizes the same principle. Collecting Ring. In some kinds of generators…
Electricity
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