Early Tesla coil drawing 1891 - Public domain portrait drawing
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
Elihu Thomson's Tesla coil circuit Feb 1892
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
Patent drawing - System of electric lighting - Nikola Tesla US patent ...
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
Patent drawing - System of electric lighting-Nikola Tesla US patent 45...
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
Patent drawing - US Patent 645576 Nikola Tesla 1897 System of transmis...
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 transformator
Tesla Nederlands: Tesla
Émetteur à bobine de Ruhmkorff
Français : Émetteur à bobine de Ruhmkorff (utilisé jusqu'à 1905. English: Spark-gap radio transmitter circuit using induction (Ruhmkorff) coil (used around 1905)
Tesla Antenna
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