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 87
se of the first-describedmedical coil. This apparatus is well worthyof elaboration; it should be fitted with aribbon vibrator as well as an adjustablespeed slow vibrator, a switch controlling 6o Coil Construction. either. A great variety of secondary coilscan be made, those of coarse wire takingthe… … FiG. 17. mary and then be in series with it. Thesecondary spools can be made of stainedhard wood ends fitted on to fibre tube, whichlatter is easily procurable. Particular atten-tion should always be paid to the spools andheads; if not properly made, they may comeapart, and a disastrous unravelling…
Induction coils · Radiography · X-rays
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