Telephone | History, Definition, Invention, Uses, & Facts
https://www.britannica.com/technology/telephone
The word telephone, from the Greek roots tēle, “far,” and phonē, “sound,” was applied as early as the late 17th century to the string telephone familiar to children, and it was later used … See more A telephone is an instrument designed for the simultaneous transmission and rece… When was the telephone patented? On February 14, 1876, Alexander Graham Bell applied for a U.S. patent for the tele… As it has since its early years, the telephone instrument is made up of the following functional components: a powe…
A telephone is an instrument designed for the simultaneous transmission and rece…
When was the telephone patented?
On February 14, 1876, Alexander Graham Bell applied for a U.S. patent for the tele…
As it has since its early years, the telephone instrument is made up of the following functional components: a powe…
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