Prodigal-Genius-Biography-of-Nikola-Tesla_page_121

Prodigal-Genius-Biography-of-Nikola-Tesla | page 121 | https://thedailydialectics.com/pdfs/tesla/Prodigal-Genius-Biography-of-Nikola-Tesla/Prodigal-Genius-Biography-of-Nikola-Tesla.pdf

diameter. He sealed one end of each, slightly evacuated the air from the tubes and then sealed the other ends. Tesla told the workmen he wanted the room completely darkened for the test, all lights out; and when he gave the signal he wanted the switch of his oscillator closed. "If my theory is…