The elements of dynamic electricity and magnetism (1903)
Atkinson, Philip. [from old catalog] · New York, D. Van Nostrand company · leaf 197
complete themagnetic circuit. They are wound with heavy insulatedcr)pper wire, the winding being continuous from core tocore. l8o DYNAMIC ELECTRICITY AND MAGNETISM. A single pair of such magnets may be employed, ortwo or more pairs, each core having a separate pole-piece, or two or more cores being… … Fig. 75. In the series method, illustrated by Fig. 75, the entirecurrent traverses a single route of low resistance, pass-ing in series through the armature, the field-magnets, THE DYNAMO AND MOTOR, I8 and the external circuit; so that any variation of resist-ance, at any point, affects the entire…
Electricity · Magnetism
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