Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 303
them be reversed, the coil, AB,will move1 against the direction ofthe arrows and complete one-halfrevolution, till its plane coincideswith CD, when B will he directlyabove C. This motion is in accord-ance with the latter half of Law 2,when the currents flow in one wiretoward the point of croHsin^,… … Fig. 251.—Augular Currents Tend to Become Parallel and Flow in the Same Direction. other movable, and through which the current to be measuredis passed. The general appearance of the laboratory type,known as a Siemens dynamometer, is illustrated in Fig. 252,and the diagram of the circuits is shown…
Electricity · Magnetism
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