Let Me Remind You
A letter written by Nikola Tesla to Andrew W. Robertson, Chairman of the Westinghouse Electric and Manufacturing Company, regarding a demonstration of the rotating magnetic field:
| No. | 11 |
| Subject | Rotating Magnetic Field Demonstration |
| Date | "May 22, 1941 |
| Short Description | Nikola Tesla to Andrew W. Robertson, Chairman, Westinghouse Electric & Manufacturing Company regarding a rotating magnetic field demonstration and Factor Auctus. |