Tesla Coil Circuits

One of the first drawings of a Tesla coil circuit, an illustration used by Nikola Tesla in his May 20, 1891 lecture Experiments with Alternate Currents of Very High Frequency and Their Application to Methods More

An experimental Tesla coil circuit invented by Elihu Thomson and published in February 1892, The Tesla coil was a spark-excited resonant transformer circuit invented by Serbian American inventor Nikola Tesla More

Diagram of single wire high frequency lighting system, fig. 1 from Nikola Tesla's US patent no. 454622 System of electric lighting granted June 23, 1891. This is important because it contains the first appear More

Diagram of single-wire high frequency lighting system, fig. 1 from Nikola Tesla's US patent no. 454622 System of electric lighting granted June 23, 1891. This is important because it contains the first appear More

Drawing from US patent no. 645576 filed September 2 1897 by inventor Nikola Tesla covering his proposed system for transmitting electric power through the air without wires. Tesla believed that at 30,000 feet More

Tesla Nederlands: Tesla

Français : Émetteur à bobine de Ruhmkorff (utilisé jusqu'à 1905. English: Spark-gap radio transmitter circuit using induction (Ruhmkorff) coil (used around 1905)

Figure 1 represents diagrammatically the generator which produces stationary waves. It designates a primary coil forming part of a transformer and consisting generally of a few turns of a stout cable of inappr More