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1890s: He invented a few types of filament lamps with metallic filaments; some say he was the first scientist to use a tungsten filament. He got a patent for lamps with tungsten filaments (US Patent No. 575,002 Illuminant for Incandescent Lamps , Application on 4 January 1893) [ 1 ] and sold it to General Electric (1906), [ citation needed ...
1962 Nick Holonyak Jr. develops the first practical visible-spectrum (red) light-emitting diode. 1963 Kurt Schmidt invents the first high pressure sodium-vapor lamp. [18] 1972 M. George Craford invents the first yellow light-emitting diode. 1972 Herbert Paul Maruska and Jacques Pankove create the first violet light-emitting diode.
Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
The Moore lamp was the first commercially viable light-source based on gas discharges instead of incandescence; it was the predecessor to contemporary neon lighting and fluorescent lighting. [1] In his later career Moore developed a miniature neon lamp that was extensively used in electronic displays, as well as vacuum tubes that were used in ...
1.5 Mya: Bone tools in Africa by Homo erectus [10] 900 kya – 40 kya: Boats [11] [12] 500 kya: Hafting in South Africa by Homo heidelbergensis [13] 500 kya – 450 kya: Woodworking construction in Zambia by Homo heidelbergensis [14] (The oldest known surviving buildings are made from stone and date back no more than 9,500 years. [15])
As the largest lamp producer in the United States, Fostoria Shade and Lamp Company had numerous colorful products that were very popular. [55] It was Kopp's skills in design and color that enabled the company to achieve a position of international renown. [56] Among products made that were not lamps or shades were salt and pepper shakers.
TIL The Boston Globe was bought by the New York Times in 1993 for $1.1 billion, one of the most expensive print purchases in history, then was sold for $70 million in 2013 to the Red Sox/Liverpool ...
The Coleman Lantern is a line of pressure lamps first introduced by the Coleman Company in 1914. This led to a series of lamps that were originally made to burn kerosene or gasoline. Current models use kerosene, gasoline, Coleman fuel or propane and use one or two mantles to produce an intense white light.