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The electric motor brings on the first juke box with cylinders – even before flat disk records were widely available. Thomas Edison discovers thermionic emission. This effect forms the basis for the vacuum tube and the cathode ray tube. approximately 1893: The selenium phototube invention allows the conversion of brightness values into electrical
Edison Machine Works on Goerck Street on the Lower East Side of Manhattan photographed by Edison employee Charles L. Clarke.. The Edison Machine Works was a manufacturing company set up to produce dynamos, large electric motors, and other components of the electrical illumination system being built in the 1880s by Thomas A. Edison in New York City.
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).
Hungarian, physicist and unsung father of the dynamo and electric motor; invented the first commutated rotary electromechanical machine with electromagnets. [ 3 ] [ 5 ] He invented the commutator . In 1828, Jedlik demonstrated the first device to contain the three main components of practical DC motors: the stator , rotor and commutator.
U.S. patent 0,222,881 – Magneto-Electric Machines : Edison main dynamo. The device's nickname was the "long-legged Mary-Ann". This device has large bipolar magnets and is highly inefficient. U.S. patent 0,223,898 – Electric Lamp : Edison's incandescent light bulb invention. The original spiral carbon-filament is shown and repeatedly ...
Edison recognized the possible demand for a high-speed copying device after observing the incredible amount of document duplication required of merchants, lawyers, insurance companies, and those of similar occupations. [1] To satisfy this demand, Edison invented the electric pen, which uses a perforating function inspired by the printing telegraph.
Four companies (Edison Lamp Company, Edison Machine Works, and Bergmann & Company with the patent-holding company, Edison Electric Light Company) in various Tri-state area locations holding Edison's various interests merge as Edison General Electric Company: 1890 Edison General Electric Company acquires the Sprague Electric Railway and Motor ...
Electric power transmission, the tools and means of moving electricity far from where it is generated, date back to the late 19th century. They include the movement of electricity in bulk (formally called "transmission") and the delivery of electricity to individual customers ("distribution"). In the beginning, the two terms were used ...