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 221
greater range of action along thin shape is better, although itinvolves waste of energy in its excita-tion. Electro=magnet, Annular. An electro-magnet consisting of a cylin-der with a circular groove cut in itsface, in which groove a coil of insulatedwire is placed. On the passage of acurrent the… … Fig. Electro- STANDARD EIvBCTRICAIv DICTIONARY. 217 electro-magnetic brake (see Brake, Electro-magnetic), C is theannular magnet receiving its current through the brushes, andpressed when braking action is required against the face of themoving wheel. The same arrange-ment, it can be seen, may…
Electricity
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