1 "Ficheiro:Experiments_with_Alternate_Currents_of_High_Potential_and_High_Frequency_-_Frontispiece.jpg".

Ficheiro:Experiments with Alternate Currents of High Potential and High Frequency - Frontispiece.jpg

Nikola Tesla described at URL: https://en.wikisource.org/wiki/Page:Experiments_with_alternate_currents_of_high_potential_and_high_frequency_(Tesla).djvu/7...

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