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 46
mass orpiece of iron or steel, or acollection of pieces of irondesigned to be acted on by amagnet. While nickel orcobalt might be used, theyrarely or never are exceptin experimental apparatus.The armature of a permanenthorse shoe magnet is simplya little bar of soft iron. Whenthe magnet is not in… … Fig. 21.Bead Areom-eter. / 42 STANDARD ELECTRICAIv DICTIONARY. The armature is also used to exhibit the attraction of the magnet.Sometimes an armature is made of steel and is permanently mag-netized. Such an armature, termed a polarized armature, is repelledwhen its like poles are opposed to like…
Electricity
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