International Library of Technology · Scranton, International Textbook Co. · leaf 135
1570 PRINCIPLES OP If the magnet proper M is made in one casting, the coil c iswound independently in some suitable shape; afterwards itis thoroughly insulated by wrappings of cloth, mica, or tape,then placed around the inside core of the magnet and heldin position by a ring of brass or other…
Electrical engineering
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