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 70
Fig. 21.—Showing proportions for Tesla and Oudin secondaries of any desired size turns. The coil is of comparatively small diameter in thisevent. The layers of wire should never be very wide asthe insulation will not hold up. The conductor for the secondary windings of all typesof oscillation…
Electric apparatus and appliances
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