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 152
Fig. 70.—The complete transformer and condenser In Fig. 71 is shown the rotary spark gap and beside itthe small stationary gap. The rotary gap is used when theapparatus is working at its full power for the production ofa long and powerful spark for use with an X-Ray tube.The smaller gap is used for…
Electric apparatus and appliances
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