Prodigal-Genius-Biography-of-Nikola-Tesla_page_104

Prodigal-Genius-Biography-of-Nikola-Tesla | page 104 | https://thedailydialectics.com/pdfs/tesla/Prodigal-Genius-Biography-of-Nikola-Tesla/Prodigal-Genius-Biography-of-Nikola-Tesla.pdf

He demonstrated that he could cause any one of hundreds of coils to respond selectively and powerfully to its particular wavelength emitted by an oscillator while all others remained inert; but he discovered that tuned electrical coils have, to a further extent, the same properties as tuned musical…