High frequency apparatus, design, construction and practical application; a practical treatise for electrical engineers, electricans, physicians, students and experimenters (1920)
Curtis, Thomas Stanley · New York, Norman W. Henley publishing company · leaf 199
been selected. … Fig. 108.—The oscillation transformer complete The transformer consists essentially of a primarywinding of eight turns of copper strip placed at the base ofa cylinder around which is wound the secondary of 300turns of No. 30 D.C.C. copper magnet wire in a singlelayer. The starting point of the…
Electric apparatus and appliances
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