The author died in 1943, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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2007-05-23 01:27 Reddi 448×551× (16203 bytes) Experiments with Alternate Currents of High Potential and High Frequency By Nikola Tesla Published 1892 The W. J. Johnston company, ltd.
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Experiments with Alternate Currents of High Potential and High Frequency By Nikola Tesla