Edison Thomas Alva

Thomas Edisonphotographed c. 1904

Edison

, Thomas Alva 1847-1931. American inventor who patented more than a thousand inventions, among them the microphone (1877), the phonograph (1878), and an incandescent lamp (1879). In New York City he installed the world's first central electric power plant (1882).

Ed·i·son

(ĕd′ĭ-sən), Thomas Alva 1847-1931. American inventor and physicist who took out more than 1,000 patents in his lifetime. His inventions include the telegraph (1869), microphone (1877), and light bulb (1879). During World War I, Edison worked on a number of military devices, including flamethrowers, periscopes, and torpedoes.

单词	edison thomas alva
释义	Edison Thomas Alva Thomas Edisonphotographed c. 1904 Edison , Thomas Alva 1847-1931. American inventor who patented more than a thousand inventions, among them the microphone (1877), the phonograph (1878), and an incandescent lamp (1879). In New York City he installed the world's first central electric power plant (1882). Ed·i·son (ĕd′ĭ-sən), Thomas Alva 1847-1931. American inventor and physicist who took out more than 1,000 patents in his lifetime. His inventions include the telegraph (1869), microphone (1877), and light bulb (1879). During World War I, Edison worked on a number of military devices, including flamethrowers, periscopes, and torpedoes.
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