Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 174
Fig. 131.—Current Flowing Down-Whirls Clockwise. Sr !£><?_ O Win … Fig. 13^.—Direction of Whirls when Fig. 133.—Direction of Whirls when the Current Flows Toward You— the Current Flows Away from Anti-Clockwise. You—Clockwise. would move, as shown in Fig. 130 and also 136. wherethe wire is supposed to be passed through the watch with the 156 PRACTICAL ELECTRICITY…
Electricity · Magnetism
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