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Original carbon-filament bulb from Thomas Edison's shop in Menlo Park. Light bulbs with a carbon filament were first demonstrated by Thomas Edison in October 1879. [1] [2] These carbon filament bulbs, the first electric light bulbs, became available commercially that same year. [3]
Edison in 1861. Thomas Edison was born in 1847 in Milan, Ohio, but grew up in Port Huron, Michigan, after the family moved there in 1854. [8] He was the seventh and last child of Samuel Ogden Edison Jr. (1804–1896, born in Marshalltown, Nova Scotia) and Nancy Matthews Elliott (1810–1871, born in Chenango County, New York).
The Edison and Swan Electric Light Company Limited was a manufacturer of incandescent lamp bulbs and other electrical goods. It was formed in 1883 with the name Edison & Swan United Electric Light Company with the merger of the Swan United Electric Company and the Edison Electric Light Company. [1] [2]
It succeeded the earlier Edison United Manufacturing Company, founded in 1886 as a sales agency for the old Edison Lamp Company (forerunner of the modern General Electric Company), Edison Machine Works, and Bergmann & Company, which made electric lighting fixtures, bulbs, sockets, and other accessories.
Spencer Trask (September 18, 1844 – December 31, 1909) was an American financier, philanthropist, and venture capitalist.Beginning in the 1870s, Trask began investing and supporting entrepreneurs, including Thomas Edison's commercial production of the electric light bulb and his electricity network.
He gave special parties and illuminated his drawing room and dining room. Source: Practical Electrical Engineering, Newnes. Article entitled "The Development of Electric Lighting". 1879 Thomas Edison and Joseph Swan patent the carbon-thread incandescent lamp. It lasted 40 hours. 1880 Edison produced a 16-watt lightbulb that lasts 1500 hours.
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