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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 . ireless Telegraphy.
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Nathan STUBBLEFIELD : Earth Battery ~ Articles, Videos, & Patents | Solar power energy, Tesla free energy, Free energy generator
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Simple high power earth battery 1892 Michael Emme US495582 - example 3 KW array with 43 divots 10x15x15" - each 5" hole 15" deep produces 10 W (1.25V 8A) : r/Tesla
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