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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 94

An illustration from 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, leaf 94
Fig. 19. Fig. 20. portion, it might be called—should not beover 1^ inch. The rate of motion is high ; but anerroneous notion has been taken of itsperformance by many persons in theknowledge of the writer. The rate ofvibration is not wholly dependent on the 68 Contact Breakers. size, or, rather,…

Induction coils · Radiography · X-rays

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