Canadian Patent No. 142352 — Electrical Energy Transmission
Canadian Patent No. 33317 — Method & App. for Converting Alternating into Direct Currents
Drawing from U.S. Patent No. 649,621, "Apparatus for Transmission of Electrical Energy" showing a system for the wireless transmission and reception of electrical energy through the earth’s rarefied upper atmo More
Diagram by US inventor Nikola Tesla explaining how his proposed revolutionary worldwide wireless power system would work, from a 1919 article in Hugo Gernsback's electrical magazine. Tesla was obsessed with t More
Drawing by Serbian American inventor Nikola Tesla showing stages in his evolution of the high frequency resonant transformer used in his Tesla coil. He developed the Tesla transformer around 1891-1892 althoug More
Drawing from US patent no. 1119732, "Apparatus for transmitting electrical energy", filed May 4, 1907 by inventor Nikola Tesla. It consists of a design for a wireless power transmitter. The circuit is an adv More
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
Original Tesla magnifier from US patent #1119732. View in elevation: Free terminal and circuit of large surface with supporting structure and generating apparatus Alterations to image: the original black-and-w More
Tesla turbine diagram U.S. Patent 1,061,206 1909 October 21 – Turbine – Improvements in rotary engines and turbines; Mechanical power based the vehicle of fluid for power; Known as the Tesla turbine; Bladeless More
U.S. Patent 0,454,622 - System of Electric Lighting - 1891 June 23 - Apparatus devised for the purpose of converting and supplying electrical energy in a form suited for the production of certain novel electr More
Insulated electrical conductor, patent n° 514,167.
photoelectric_effect - Tesla patent - small PNG See also: en:Image:PhotoelectricEffect(Tesla-small).PNG Patent number: US 685,957 - Apparatus for the Utilization of Radiant Energy - 1901
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
Bifilar coil in Nikola Tesla's United States patent 512,340 of 1894. Tesla explains that in some applications (which he does not specify) the self-inductance of a conventional coil is undesired and has to be n More
Tesla's Flat Spiral Coil
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
Illustration of Canadian Patent 135174.
Experiments with Alternate Currents of High Potential and High Frequency.
A Tesla receiving device of the 1896-1899 structure illustrating a way of producing audible notes by reaction of the received impulses upon a magnetic field. On the left is a transmitter, diagrammatically rep More
Diagram of the Tesla motor connections
Diagram of the Tesla motor principle