The first “Beat” Receptor for radio-telegraphy invented by Tesla.
AC generator for exciting the Tesla “Beat” Receptor.
The Tesla Steam Turbine.
A “Tesla” conical high frequency, high potential oscillator coil.
“Tesla” conical HF oscillator coil (airbrushed).
Nikola Tesla's laboratory in Colorado Springs circa 1900.
In 1888, Tesla gained U.S. Patent 381.968 for a type of the rotating magnetic field
Turbine, Oct. 21, 1909, U.S. Patent 1,061,206, May 6, 1913.
Alternator of 10.000 Cycles p.s., Capacity 10 K.W., Which Was Employed by Nikola Tesla in His First Demonstrations of High Frequency Phenomena Before the American Institute of Electrical Engineers at Columbia College, May 20, 1891.