Tesla Colorado Springs laboratory exterior
Summary
Inventor Nikola Tesla's Colorado Springs laboratory, where during the period 1899 - 1900 he conducted experiments in wireless power transmission. It contained one of the largest Tesla coils ever built, which could generate potentials of the order of 12 million volts at a frequency of 30 - 150 kHz, creating artificial "lightning bolts" reportedly over 100 feet long. The 142 foot telescoping "antenna" mast shown, made of concentric sections of pipe with a 30 in copper covered wooden ball on top, could be extended upward from a hatch in the roof. The lab no longer stands, it was torn down and sold to pay Tesla's debts in the early 1900s. This is a view of the front of the building, with the Union Printers Home (which still stands) visible in the background.
Nikola Tesla (1856–1943) Serbian American inventor and engineer who discovered and patented the rotating magnetic field, the basis of most alternating-current machinery. He also developed the three-phase system of electric power transmission. He immigrated to the United States in 1884 and sold the patent rights to his system of alternating-current dynamos, transformers, and motors to George Westinghouse.
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