A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 348
Fig. j6g. Polarity of Current. The direction of this polarity may be predictedby the following modification of a rule by Ampere: Imagine yourself swimming in the wire in thedirection of the current; if, then, your face is … Fig. 370, North and South Magnet Poles. turned toward the bar that is being magnetized,its North seeking pole will be on your left.
Electricity · Electrical engineering
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