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 279
to the air, of a heightvarying with the results desired; G a groundplate in connection with the other dischargerarm. The coil condenser is left out of the dia-gram for sake of clearness; but, of course,is necessary to the operation of the appa-ratus. In Fig. 75, C is the coherer, also calledthe… … LB.M — Choke Coil. N = Resistance Coil. Fig. 75. Wireless Telegraphy. 253 V a vertical wire, as in the transmitter; infact, in the station set the same vertical wireanswers for both transmitter and receiver.The coil to be used may be from twoinches of spark upwards, dependent uponthe distance the…
Induction coils · Radiography · X-rays
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