Rev. Irwin Moon, a touring evangelist, in one of his "sermons from science" in 1938 shooting sparks from his fingertips. This spectacular special effect, which was also used by circus sideshow performers of th More
Cover of the March 1925 issue of the Hugo Gernsback science magazine The Experimenter, showing electrotherapy using a homemade Oudin coil.
Famous photograph of Serbian-American inventor Nikola Tesla in his laboratory in Colorado Springs around 1899, supposedly sitting reading next to his giant "magnifying transmitter" high voltage generator while More
Nikola Teslas magnifying transmitter, a huge Tesla coil, in operation at his Colorado Springs laboratory in 1899-1900. Part of a photo shoot by photographer Dickenson V. Alley to accompany Tesla's June 1900 More
Nikola Teslas magnifying transmitter, a huge Tesla coil, in operation at his Colorado Springs laboratory in 1899-1900. The source says it generated around 12 million volts at a frequency of 100 kHz with an More
An experiment demonstrating resonance, conducted by Nikola Tesla at his Colorado Springs laboratory in 1899-1900 using his magnifying transmitter, a huge Tesla coil. The secondary winding of the transmitter More
Serbian-American inventor Nikola Tesla in his laboratory in Colorado Springs supposedly sitting in front of his giant high voltage "magnifying transmitter" generator while the machine produces huge sparks. Th More
An early Tesla coil constructed by Nikola Tesla at his laboratory at 35 South Fifth Ave., New York around 1895. The voltage produced at the top terminal of the conical secondary coil may have been several hundr More
A Tesla coil built by Serbian-American inventor Nikola Tesla at his New York laboratory around 1898. A Tesla coil is a resonant transformer circuit that produces high voltage, alternating current electricity More
Publicity photo of Serbian-American inventor Nikola Tesla in December 1899 sitting in his laboratory in Colorado Springs next to his magnifying transmitter high voltage generator while the machine produced hug More
The coil, partly shown in the photograph, creates an alternative movement of electricity from the earth into a large reservoir and back at the rate of one hundred thousand alternations per second. The adjustme More
Publicity photo of Croat-Serbian-American inventor Nikola Tesla in December 1899 supposedly sitting in his laboratory in Colorado Springs next to his magnifying transmitter high voltage generator while the mac More
Tesla Coil at the University of South Florida. Coil created by the IEEE student chapter.
Português: Maior Bobina de Tesla brasileira junto com seu criador Grégory Frizon Gusberti na gaiola de faraday.
Photo of a Tesla coil (then called an Oudin coil), built at Los Angeles Polytechnic High School around 1900. 48 inches (121 cm) high including top electrode. The outer primary coil has 15 turns and the seconda More