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Hace 4 días · 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.
- David Hochfelder
- Alexander Graham Bell was a Scottish-born American inventor and scientist. Bell was born on March 3, 1847, in Edinburgh, Scotland. In 1870 Bell and...
- Although Alexander Graham Bell is best remembered as the inventor of the telephone, he invented other devices too. Bell developed several sonic tec...
- The first telephone had two parts: a transmitter and a receiver. The transmitter comprised three parts—a drumlike device (a cylinder with a covered...
Hace 3 días · Alexander Graham Bell (1835) logró por primera vez transportar la voz humana a través de un cable. Bell inventó el teléfono (prefijo tele; sufijo fonos: voz alejada). El telégrafo se caracteriza por ser instantáneo, de gran alcance y barato.
Hace 3 días · (1847-1922)Who Was Alexander Graham Bell?Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in 1876 and founding the Bell Telephone Company in 1877. Bell’s success came through his experiments in sound and the furthering of his famil...
Hace 4 días · Historia del Teléfono Evolution and Development Desarrollo de la telefonía Integración Completa El Futuro de la Telefonía El desarrollo continuo de la telefonía llevó a la creación de redes de larga distancia y a una mayor accesibilidad a través de la telefonía pública.
Hace 3 días · BiographyAlexander Graham Bell is best known as the inventor of the telephone — the first to transmit the human voice by means of an electric current — but there was much more to this extraordinary man than his breakthrough in communications technology.Born on March 3, 1847, in Edinburgh, Scotland,...
Hace 3 días · Alexander Graham Bell (March 3, 1847–August 2, 1922) was a Scottish-born American inventor, scientist, and engineer best known for inventing the first practical telephone in 1876, founding the Bell Telephone Company in 1877, and a refinement of Thomas Edison’s phonograph in 1886.
Hace 4 días · Claim: The fiancée of Alexander Graham Bell, inventor of the telephone, was named Margaret Hello, and this led to the customary use of the greeting “hello” in phone calls. Rating: FALSE
