Nikola Tesla_ Mechanical Oscillator _ US Patent # 514,169 & # 517,900 _ Tele-Geodynamics | Steam Engine | Nikola Tesla
![UNREVEALED FILES ™ on Twitter: "#earthquake "Tesla's earthquake machine". In 1935 at his annual birthday press meeting Tesla related a story where he claimed a version of his mechanical oscillator caused extreme UNREVEALED FILES ™ on Twitter: "#earthquake "Tesla's earthquake machine". In 1935 at his annual birthday press meeting Tesla related a story where he claimed a version of his mechanical oscillator caused extreme](https://pbs.twimg.com/media/EhIb4DDVgAEvLEb.jpg)
UNREVEALED FILES ™ on Twitter: "#earthquake "Tesla's earthquake machine". In 1935 at his annual birthday press meeting Tesla related a story where he claimed a version of his mechanical oscillator caused extreme
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