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 82
esecondary, and the coil is ready to be at-tached to the base. The base is seven incheslong by three wide, and has little feet at itsfour corners to elevate it from the table and Coil Consirtiction. 55 prevent abrasion of the connections under-neath. The connections are as given in Fig. 15.When in… … Fig. 15. primary, caused by the break of the batterycircuit (see page 3). Medical Coil with InterchangeableSecondaries. This form of coil is the only one forpractical medical work, and more space will
Induction coils · Radiography · X-rays
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