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 69
s of various sizes and for various pur-poses. Without attempting any explanation of the reasons ^therefor, the author may state that, in his experience, thesecondary of the Tesla coil should be wound upon a cylinderthe length of which is three times its diameter. The Oudinresonator secondary should… … Fig. 20.—Two Oudin resonators placed Jjase to base be about 22 to 24 inches high if its diameter were 12 ins.This rule applies only in the case of truly cylindrical sec-ondaries. The number of turns of wire on cylindrical Tesla coilsecondaries should be in the proximity of 800, while theOudin…
Electric apparatus and appliances
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