"William Gilbert" Quotes from Famous Books
 ... experimenting in this field, Edison devised and operated some ingenious pyromagnetic motors and generators, based, as the name implies, on the direct application of heat to the machines. The motor is founded upon the principle discovered by the famous Dr. William Gilbert—court physician to Queen Elizabeth, and the Father of modern electricity—that the magnetic properties of iron diminish with heat. At a light-red heat, iron becomes non-magnetic, so that a strong magnet exerts no influence over it. Edison employed this peculiar property by constructing a small machine ...
— Edison, His Life and Inventions • Frank Lewis Dyer and Thomas Commerford Martin |
