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 49
he core or part of the core ofthe armature. S. P. Thompson treats it as a modified drumarmature extended radially, the outer periphery corresponding tothe back end of the drum. The poles of the field are generallyplaced to face the side or sides of the disc. {b) Another type of disc armature has… … Fig. 24. Disc Armature of Fritsche Machine, S
Electricity
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