Tesla Elecro-Magnet Motor Patent US381968 p 1-9 Wood Wall Art
- from our Affiliates
A rotating magnetic field is a magnetic field which periodically changes direction. This is a key principle to the operation of alternating-current motor. In 1882, Nikola Tesla identified the concept of the rotating magnetic field. In 1888, Tesla gained U.S. Patent 381968 for his work. Pages 1-9; Released under the GNU Free Documentation License.
$311.00
Powered by Zazzle