A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 43
olar A dynamo- -electric machine armature whose polarity isnot reversed during its rotation in the fieldof the machine. Armature, Ventilation of A pro-cess for insuring the free passage of airthrough the armature of a dynamo-electricmachine in order to prevent overheating. Armor of Cable.—(See… … -Zn cFig. 24. Arms of Balance. An unknown resistance, such, for example, asD, Fig. 24, is measured by proportioning the-known resistances, A, C and B, so that no currentflows through the galvanometer G, across the•circuit or bridge M G N. Arms, Proportionate The two re-sistances or arms of an…
Electricity · Electrical engineering
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