Alexander Graham Bell's telephone patent, U.S. Number 174,465, from 1876, which has been called the most valuable ever issued (source: USPTO).The modern telephone is the culmination of work done by many individuals, all worthy of recognition for their contributions to the field. Alexander ...
—Alexander Bell. A、When B、How C、Where D、Who 免费查看参考答案及解析 题目: Alexander鸡尾酒用( )方法调制 A、Shaking B、Stiring C、Building D、Blending 免费查看参考答案及解析 题目: The name of Alexander Graham Bell strikes a“bell”as the inventor of the telephone.What most people do no...
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
Alexander Graham Bell, (born March 3, 1847, Edinburgh, Scot.—died Aug. 2, 1922, Beinn Bhreagh, Nova Scotia, Can.), Scottish-born U.S.
A timeline showing key dates in the life of Scottish-born American inventor Alexander Graham Bell. He is famous for creating one of the world’s most important communication devices—the telephone. He was also an important innovator in a number of other