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 54
as shown,they become magnetized withlike polarity by induction andrepel each other, rolling awayin opposite directions. Fig. 31. Rolling Ar-matures. Armature, Shuttle. The original Siemens armature, now dis-carded. The core was long and narrow, and its cross section wasnearly of the section of an…
Electricity
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