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
lly correct in design. The proportions forcones may vary from a perpendicular equal to the diameterof base to a perpendicular 1.5 times diameter of base. Thelatter is better for long sparks. The windings of conesshould contain from 100 to 500 turns of wire for short andthick, or long and…
Electric apparatus and appliances
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