Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 594
similar way,but it differs from it in being made up of a number of segments,each constituting a separate arc-shaped electro-magnet with ex-panded poles, which are joined end to end with a thickness ofinsulating material between t-hem, so as to form a continuousring. This ring forms the periphery of… … Fig. 3*7 2. of which from one another are equal to the lengths of the arma-ture segments, which is the same as the pitch of their polesaround the ring: and the armature coils, although all wound inthe same direction, are so connected, that while the current sentinto the external circuit of the…
Electrical engineering
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