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Oct 19, 2018 · A senior official in the patent office, Ellis Spear, dismissed the ‘interference’ between Gray’s and Bell’s applications. On 7 March 1876, Bell was granted US patent 174465A, for a method of transmitting speech by telegraphy—the telephone. The decision has been disputed by scholars ever since, although a 2020 paper by Benjamin Lathrop ...
May 28, 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.
- 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...
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.
Nov 9, 2009 · On March 7, 1876, Bell was granted his telephone patent. A few days later, he made the first-ever telephone call to Watson, allegedly uttering the now-famous phrase, “Mr. Watson, come here. I ...
Mar 10, 2012 · Alexander Graham Bell's Experimental Notebook, March 10, 1876. Source: Library of Congress. “Mr. Watson,” Alexander Graham Bell said into the mouthpiece, “come here — I want to see you.”. Thomas Watson, Bell’s collaborator, heard the words in another room over the receiver. And the world’s first telephone call was complete.
Apr 3, 2014 · Alexander Graham Bell was one of the primary inventors of the telephone, did important work in communication for the deaf and held more than 18 patents.
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How Alexander Graham Bell Invented the Telephone. Sound and speech were part of Bell’s life from a young age. Both his father and grandfather were well-known teachers of elocution and speech training; his father in Edinburgh, his grandfather in London. Following the death of both of Bell’s brothers from tuberculosis, in 1870 the family ...
