The high-voltage high frequency current is being passed through the human body to bring the lamp to incandescence. Mr. Samuel Clemens (Mark Twain) is holding the loop over the resonating coil. Tesla is at the switch in the background. (From a flash-light photograph.)
The high-voltage high frequency current is being passed through the human body to bring the lamp to incandescence. Mr. Samuel Clemens (Mark Twain) is holding the loop over the resonating coil. Tesla is at the switch in the background. (From a flash-light photograph.)
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