Nikola Tesla, with his equipment
Photographer: Dickenson V. Alley
- Restored by Lošmi
- "Of course, the discharge was not playing when the experimenter was photographed, as might be imagined!"
Tesla's biographers Carl Willis and Mark Seifer confirm this.
During 1899-1900 Tesla built this laboratory and researched wireless transmission of electric power there. The Magnifying Transmitter, one of the largest Tesla coils ever built, with input power of 300 kW could produce potentials of around 12 million volts at a frequency of about 150 kHz, creating 130 ft. (41 m) "lightning bolts". The arcs in the image are 22 feet long. These long arcs were not a feature of the normal operation of the coil because they wasted energy; for these photos Tesla forced the machine to produce arcs by switching the power rapidly on and off.
The photo was part of a publicity spread taken by photographer Dickinson Alley in December 1899 to accompany Tesla's magazine article Nikola Tesla, "The Problem of Increasing Human Energy", Century Magazine, The Century Co., New York, June 1900, fig. 8; a version without Tesla appears in the article.
Wellcome Images
Keywords: Electrical energy; Electric; Power; Electricity; Energy; Volt; Power (Psychology); Static; Voltage; Laboratories; Nikola Tesla
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