Induction coils : how to make, use, and repair them including Ruhmkorff, Tesla, and medical coils, Roentgen radiography, wireless telegraphy, and practical information on primary and secondary battery (1901)
Schneider, Norman H. (Norman Hugh) · New York : Spon & Chamberlain ; London : E. & F.N. Spon · leaf 259
Fig. 70. to establish an air current up through thegap, making the discharge more abrupt, anair blast being also used at times for thefurtherance of this object. The device(Fig. 70) consists of an electro-magnet, C, 232 Tesla and Hej-tz Effects. set with its poles P across the air gap,helping to… … Fig. 71. pieces P shielded by mica plates M, to pre-vent the sparks jumping into the magnets.Fig. 70 is an elevation and Fig. 71 a planof this device. The resonance effects obtained during Tesla and Hertz Effects, 233 the operation of a Tesla coil are verymarked, and their study may lead to…
Induction coils · Radiography · X-rays
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