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Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. [ 1 ] [ 2 ] [ 3 ] He developed many devices in fields such as electric power generation , mass communication , sound recording , and motion pictures. [ 4 ]
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.
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
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 ...
The Edison Manufacturing Company, originally registered as under the name of the United Edison Manufacturing Company and often known as simply the Edison Company, was organized by scientist / inventor and entrepreneur, Thomas A. Edison (1847-1931), and incorporated in New York City in May 1889.
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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 ...
A series of stories featuring "Tom Edison, Jr." by Philip Reade were published between 1891 and 1892. The story "Tom Edison's Electric Mule, or, The Snorting Wonder of the Plains" (1892) is a parody of the earlier Frank Reade series. [6] The Jack Wright series was created and written by Luis Senarens. The character first appeared in 1891, and ...