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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 336

An illustration from Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book, 1903, leaf 336 — fectof an electric current, f 96. 302. Action of the Coil. I The action of the automaticFig. 286.—Students Induction Coil as a interrupter used on induc-Spark Coil. tion coilg ig ghown in Fig> 285. The current from the battery flows through the soft ironpivoted armature, A, free to move, to the… … 318 PRACTICAL ELECTRICITY.

Electricity · Magnetism

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