Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book . Direction of current in the coil at one-half revolution from the position in Fig. 316. Brush M is positive as Fig. 318.—Magneto Dynamo. DYNAMO ELECTRIC MACHINES. 345

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1901