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 39
he only high ten-sion transformers available were of the power variety withclosely coupled primary and secondary, and the first trialsof these gave such promising results that the workers wereinduced to carry on an extensive line of research with 4view to improving the apparatus. One great… … Fig. 5.—Typical oscillatory circuit showing how high frequency current isgenerated by means of the condenser discharge method lation transformer in series. When the condenser dis-charges across the spark gap, the discharge- produces ashort circuit for the secondary current in the transformer jafter…
Electric apparatus and appliances
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