|
Canada-0-STORAGE ไดเรกทอรีที่ บริษัท
|
ข่าว บริษัท :
- Alexander Graham Bell - Wikipedia
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 [7]
- Alexander Graham Bell | Biography, Education, Family, Telephone . . .
Alexander Graham Bell (1847–1922) was a British-American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886)
- Alexander Graham Bell - Inventions, Telephone Facts - Biography
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
- Alexander Graham Bell Biography
Alexander 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
- Alexander Graham Bell - The National Inventors Hall of Fame
After inventing the telephone, Bell continued his experiments in communication, which culminated with the photophone transmission of sound on a beam of light, a precursor of today's optical fiber systems He also worked in medical research and invented techniques for teaching speech to the deaf
- Alexander Graham Bell - New World Encyclopedia
Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish scientist, inventor, and innovator He emigrated to Canada in 1870 and then to the United States in 1871
- Alexander Graham Bell - The Canadian Encyclopedia
Alexander Graham Bell, teacher of the deaf, inventor, scientist (born 3 March 1847 in Edinburgh, Scotland; died 2 August 1922 near Baddeck, NS) Alexander Graham Bell is generally considered second only to Thomas Alva Edison among 19th- and 20th-century inventors
- Alexander Graham Bell - Biography, Facts and Pictures
Alexander Graham Bell invented the telephone Remarkably, he only worked on his invention because he misunderstood a technical work he had read in German His misunderstanding ultimately led to his discovery of how speech could be transmitted electrically
- Life and Major Accomplishments of Alexander Graham Bell
Alexander Graham Bell, a Scottish-born inventor, patented the first practical telephone Born in 1847 and passing in 1922, he significantly impacted communication technology In 1885, he co-founded AT T, a major telecommunications company
- BBC - History - Alexander Graham Bell
Explore a biography of Alexander Graham Bell the inventor of the telephone Discover facts about his early life through to his later inventions
|
|