Search results
Results from the WOW.Com Content Network
In February 1892, Tesla gave a lecture to the Institution of Electrical Engineers, in which he described the carbon button lamp in detail. He also described several variants of the lamp, one of which uses a ruby drop in place of the carbon button. Tesla went on to develop it as a near commercial lighting product. [1]
General Electric's (GE) central role in the 1925 global Phoebus cartel's planned obsolescence of light bulbs; The 1926 U.S. Dept. of Justice light bulb price-fixing lawsuit (United States v. General Electric Co.) GE's ownership of over 10% of the country's electric utilities via its Electric Bond and Share Company
Based at the site where 1571-1579 Irving Street now stands, on Irving Street between Coach and Elizabeth, [1] Rahway, New Jersey, Tesla Electric Light and Manufacturing Company was started in December 1884 after the inventor Nikola Tesla left Thomas Edison's employment following a disagreement over payment. [2]
The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...
[7] [9] [19] [20] When service began in September 1882, there were 85 customers with 400 light bulbs. Each dynamo produced 100 kW – enough for 1200 incandescent lights, and transmission was at 110 V via underground conduits.
Tesla used an incandescent-type lamp ball with a single internal conductive element and excited the element with high voltage currents from a Tesla coil, thus creating the brush discharge emanation. He gained patent protection on a particular form of the lamp in which a light-giving small body or button of refractory material is supported by a ...
1875 Henry Woodward patents an electric light bulb. 1876 Pavel Yablochkov invents the Yablochkov candle , the first practical carbon arc lamp, for public street lighting in Paris. 1879 (About Christmas time) Col. R. E. Crompton illuminated his home in Porchester Gardens , using a primary battery of Grove Cells, then a generator which was better.
The first commercial plasma lamp was an ultraviolet curing lamp with a bulb filled with argon and mercury vapor developed by Fusion UV. That lamp led Fusion Lighting to the development of the sulfur lamp, a bulb filled with argon and sulfur that is bombarded with microwaves through a hollow waveguide. The bulb had to be spun rapidly to prevent ...