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 101
lowof rapid alternations of current. It is oper-ated by an electric motor by preference,although any motive power can be ap-plied to it. W a W b diXQ two brass wheels, the pe-ripheries of which are broken by the inser-tion of insulating blocks //, shown blackin the sketch. 5 5 are the shafts on… … Contact Breakers, 75 The primary coil is attached to the brassbody of the wheel or to the shafts. Whenthe wheel is in the position shown, the coiland battery are on an open circuit; but onthe wheel commencing to revolve, thebrushes i and 2 bear on the brass, and thecurrent flows from the positive…
Induction coils · Radiography · X-rays
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