Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 377
ines and are generallywound with several layersof linen or silk, thenshellaced and baked inan oven to drive out all moisture. The armature discs are bolted between end flanges, the circumference of which are slotted for the reception of small fibre wedges, which serve as guides for the coils to be… … Fig. 341.—Tooth-Core Armature BodyWith Formed Coils in Position. ascertainingdown or
Electricity · Magnetism
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