Electrical Oscillators. Nikola Tesla
Техническая литература.
Electrical Oscillators
Nikola Tesla was a genius who revolutionized how the world looks at electricity. In 1893 he patented an electro-mechanical oscillator as a steam-powered electric generator. By his own account, one version of the oscillator caused an earthquake in New York City in 1898, for which it was accorded the moniker, «Tesla's earthquake machine.»