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 68
e construction is simple and the design strong both elec-trically and mechanically. For portable purposes, theOudin coil is the ideal type to use, particularly if it is de-sired to keep down weight and bulk and to have apparatusthat will stand the hard knocks of road work. Proportions of Coils.—In… … Fig. 19.—Two Oudin resonators placed side by side to produce very long sparks pass-word to the realm of successful coil building. Whilethere is a perfectly good method by means of which thesecoils may be designed on paper, through the medium ofvarious formulae, all more or less complex, the…
Electric apparatus and appliances
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