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 115
e coats of shellac, each coat being dried out thor-oughly before the next is applied. The secondary discharge rods are show^n in detail inFig. 54, together with the clips which hold the ball on therod. The two primary coils are connected together as 110 HIGH FREQUENCY APPARATUS shown with the…
Electric apparatus and appliances
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