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 53
edfrom the poles and swings through 180° to have its polarity reversedand to go through the next 180°, and so on. Thus it rotates at avery high rate of speed. In the cut showing the elevation A, B, i& the armature \ f, g^the springs or brushes ; h, the commutator with its sections 0, i. In A 48… … Fig, 28, Pagbs Revolving Armature.
Electricity
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