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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's "Phonomotor" or "Vocal Engine" The phonomotor or "vocal engine" was a device invented by Thomas Edison in 1878 to measure the mechanical force of sound. It converted sound energy or sound power into rotary motion which could drive a machine such as a small saw or drill.
Below is a list of Edison patents. Thomas Edison was an inventor who accumulated 2,332 [ 1 ] patents worldwide for his inventions . 1,093 of Edison's patents were in the United States , but other patents were approved in countries around the globe.
The Thomas Edison Center at Menlo Park, also known as the Menlo Park Museum / Edison Memorial Tower, is a memorial to inventor and businessman Thomas Alva Edison, located in the Menlo Park area of Edison, Middlesex County, New Jersey. The tower was dedicated on February 11, 1938, on what would have been the inventor's 91st birthday.
On September 5, 1962, the 21-acre (85,000 m 2) site containing the home and the laboratory were designated the Edison National Historic Site. [2] On March 30, 2009, it was renamed Thomas Edison National Historical Park, adding "Thomas" to the title in hopes to relieve confusion between the Edison sites in West Orange and Edison, New Jersey ...
The Thomas Alva Edison Birthplace is in a formerly residential (now a museum complex) area north of downtown Milan, on the west side of North Edison Drive. It is a small 1 + 1 ⁄ 2-story brick building, with a gabled roof and two end chimneys. The main facade is five bays wide, with the entrance at the center, topped by a four-light transom ...
The film was the first of a complementary pair of Edison biopics that Metro-Goldwyn-Mayer released in 1940. Edison, the Man, starring Spencer Tracy, followed two months later, completing the two-part story of Edison's life. [1] The film had a special preview on February 10, 1940 in Port Huron, Michigan, the place where Thomas Edison spent his ...
Thomas Alva Edison High School is one of 25 high schools in Fairfax County, Virginia, United States. Thomas Edison is an International Baccalaureate school. Edison High School has traditionally been a relatively small public high school in terms of the size of its student population. It has a culturally and ethnically diverse student body.