Tesla, Nikola.
Text: "The problem of increasing human energy." Special reference to harnessing the sun's energy. The onward movement of man - the energy of the movement - the three ways of increasing human energy. Classic. Century Magazine. 60(2), June 1900. p. 175-211; Reprinted in, Nikola Tesla, lectures, patents, articles. Beograd, Yugoslavia: 1956.
See Also: Nikola Tesla, articles.
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