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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 234

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 234
Fig. 64. … Fig. 65. 2o8 Storage or Secondary Cell. the batter}^ Each additional lighted lampadds to the current by decreasing the re-sistance of the circuit. S is a switch whichmust always be left open when the dyna-mos are to be stopped. Charging from Primary Battery. In many instances an electric-light…

Induction coils · Radiography · X-rays

Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.

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