Search results
19 de jun. de 2024 · "Concentra todos tus pensamientos en el trabajo que tienes entre manos. Los rayos del sol no queman hasta que son enfocados". - Alexander Graham Bell.
21 de jun. de 2024 · Encuentra inspiración y motivación en esta recopilación de frases positivas de grandes autores para superar los obstáculos de la vida.
Hace 4 días · Alexander Graham Bell (/ ˈ ɡ r eɪ. ə m /, born Alexander Bell; March 3, 1847 – August 2, 1922) was a Scottish-born Canadian-American inventor, scientist and engineer who is credited with patenting the first practical telephone.
Hace 3 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.
Hace 6 días · The telephone: important dates. • 1874: Alexander Graham Bell figures out the basics of how a telephone should be able to work. • 1876: Bell receives a patent for the first telephone. • 1877: Bell founds Bell Telephone and travels across the country promoting his invention.
18 de jun. de 2024 · Alexander Graham Bell Quotes and Quotations, Concentrate all your thoughts on the task at hand. The sun's rays do not burn until brought to a focus.
1 de jul. de 2024 · The Photophone. In May, 1878, Mr. Alexander Graham Bell, will known in connection with the telephone, announced before a scientific society in London Ins belief that it would be possible to...
