Nikola Tesla Inventions - Page 10

Tesla's electric circuit controllers, patented in 1898 like U.S. Patent 609,245 , were electromagnetic relays for precise switching in motors, igniters, and remote systems. Using mercury-filled tubes...

While no patent applications were submitted for this device, it has become synonymous with Tesla, mentioned in almost every biography written about him. The Egg of Columbus was also one of Tesla's...

Tesla developed early versions of fluorescent and neon lights by passing high-frequency electricity through gas-filled tubes, creating illumination without a filament. Demonstrated at the 1893 World's...