Prodigal-Genius-Biography-of-Nikola-Tesla_page_96

Prodigal-Genius-Biography-of-Nikola-Tesla | page 96 | https://thedailydialectics.com/pdfs/tesla/Prodigal-Genius-Biography-of-Nikola-Tesla/Prodigal-Genius-Biography-of-Nikola-Tesla.pdf

a laboratory demonstration in optics, using an electrical analogy. Prof. Ferraris' next experiment mounted the copper cylinder on a shaft and divided each of his two coils into two parts, placing one on either side of the copper cylinder. The device worked up to a speed of 900 revolutions per…