Nikola Tesla British Patent 2812 - Improvements in Methods of and Apparatus for the Generation of Electric Currents of Defined Period
Nikola Tesla British Patent 24,001 - Improved Method of Imparting Energy to or Deriving Energy from a Fluid and Apparatus for Use Therein
Nikola Tesla British Patent 6502 - Improvements Relating to the Generation and Distribution of Electric Currents and to Apparatus Therefor