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 187
rdinary care is used, asthe long spark necessary to the productionof the luminosity will hardly ignite any-thing but gas, unless specially arranged todo so. Fig. 52 is a triangle formed of threeGeissler tubes, and intended for rotation i6o Rotating Effects. as a whole. M M are two pieces of micaor… … rotating disk. Before commencement ofrotation, and upon the current being turnedon to the tubes, a simple triangle will re-sult, but at a certain stage of rotation theMaltese cross shown is formed. A stillhigher rate of rotation will produce the Rotating Effects. i6i double star, Fig. 54, and as…
Induction coils · Radiography · X-rays
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