Nikola Tesla Inventions - Page 9

Tesla's frequency meter, patented in 1922 under U.S. Patent 1,402,025 , utilized electromechanical resonance to precisely measure periodic electrical oscillations or frequencies. Building on...

World's first and only valve with no moving parts. This device uses a series of specially-shaped chambers to create flow resistance in one direction, but not the other. It's also called a "fluid diode...

The 3-coil version of the Tesla coil, commonly referred to as a "Magnifier," which utilizes what Tesla coined the "Extra coil." It's most known for its use in the Colorado Springs Experimental Station...