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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).
He presented a paper on them in 1885, where he referred to thermionic emission as the "Edison Effect." [14] The British physicist John Ambrose Fleming, who in 1882 had accepted a consulting position for the Edison & Swan Electric Light Company of London, discovered in 1885 that the Edison Effect could be used to detect radio waves. Fleming went ...
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 ...
Thomas Edison invented the cylindrical phonograph in 1877 and was looking for ways to commercialize it. In 1888, Edison developed a china doll equipped with a cylindrical phonograph with pre ...
Russian engineer Pavel Yablochkov invented the electric carbon arc lamp. 1876: Scottish inventor Alexander Graham Bell patented the telephone. 1877: American inventor Thomas Edison invented the phonograph. 1877: German industrialist Werner von Siemens developed a primitive loudspeaker. 1878: First electric street lighting in Paris, France 1878
Edison invented by repeatedly trying devices in more complex environments to progressively approximate their final use conditions. Edison blended invention with economics. His electric lighting system was designed to be an economic competitor with gas lighting. Edison assembled and organized the resources that would lead to successful inventions:
Charles W. Batchelor, inventor, associate of Thomas A. Edison, early executive of General Electric Company. Charles W. Batchelor (December 25, 1845 – January 1, 1910) was an inventor and close associate of American inventor Thomas Alva Edison during much of Edison's career. He was involved in some of the greatest inventions and technological ...
Getty By Jacquelyn Smith The job interview was born in 1921, when Thomas Edison created a written test to evaluate job candidates' knowledge. Since then, the process has come a long way. "As the ...