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Thomas Townsend Brown

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Thomas Townsend Brown (March 18, 1905 - October 22, 1985) was an American physicist. Brown was born in Zanesville, Ohio; his parents were Lewis K. and Mary Townsend Brown. In 1921, Brown discovered what was later called the Biefeld-Brown effect while experimenting with a Coolidge X-ray tube. This is a vacuum tube with two asymmetrical electrodes. Brown noticed that there was a force exerted by the tube when it was connected to a high-voltage source. This force was not caused by the X-rays, but by this new effect.
Thomas Townsend Brown - Wikipedia, the free encyclopedia


  • GB300311 - A method of and an apparatus or machine for producing force or motion (accepted 1928-11-15)
  • US1974483 - "Electrostatic motor" (1934-09-25)
  • US2949550 - Electrokinetic apparatus (1960-08-16)
  • US3018394 - Electrokinetic transducer (1962-01-23)
  • US3022430 - Electrokinetic generator (1962-02-20)
  • US3187206 - "Electromagnetic apparatus" (1965-06-01)
  • US3196296 - Electric generator (1965-07-20)

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