Induction Coils, How to Make, Use, and Repair Them., by H. S. Norrie 54221 [Subtitle: Including Ruhmkorff, Tesla, and medical coils, Roentgen Radiography, etc. etc.] [Link: http://www.gutenberg.org/5/4/2/2/54221 ] [Files: 54221-0.txt; 54221-h.htm]
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