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19 de abr. de 2024 · Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886). He also worked on use of light to transmit sound, development of a metal detector, and heavier-than-air flight.
Hace 5 días · Alexander Graham Bell ( / ˈɡreɪ.əm /, born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist and engineer who is credited with patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT&T) in 1885.
23 de abr. de 2024 · Published: April 23, 2024. copy page link. Print Page. Alexander Graham Bell's Revolutionary Invention. After much trial and error, Alexander Graham Bell finally invents the first telephone, which ...
18 de abr. de 2024 · El laboratorio de Alexander Graham Bell realizó varias mejoras en la década de 1880 e introdujo el grafofón, incluido el uso de cilindros de cartón revestidos de cera y un lápiz de corte que se movía de un lado a otro en un surco en zigzag alrededor del registro.
29 de abr. de 2024 · "🔔 Dive into the remarkable life of Alexander Graham Bell, the visionary inventor of the telephone. From his early life in Scotland to his groundbreaking in...
17 de abr. de 2024 · Nest Entertainment Presents An Animated biography of Alexander Graham Bell. Portrays how Bell's work in creating a device to amplify sound for the deaf lead ...
1 de may. de 2024 · Alexander Graham Bell is best known as the man who invented the telephone. However, in addition to his work on the telephone, he contributed to several other inventions throughout his life and ...
