Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone signal. Reis telephone · Timeline of the telephone · Tin can telephone |
| History of the telephone |  |
Эта история телефона описывает развитие электрического телефона и включает краткий обзор его предшественников. Первый патент на телефон был выдан Александру Грэму Беллу в 1869 году. Википедия (Английский язык)
In 1877-78, the first telephone line was constructed, the first switchboard was created and the first telephone exchange was in operation. Three years later, ... |
Alexander Graham Bell is most well known for inventing the telephone. He came to the US as a teacher of the deaf, and conceived the idea of electronic speech. |
Alexander Graham Bell had sought a way to transmit speech electronically. He invented the telephone in March 1876. |
The Bell Telephone Company began operating on July 11, 1877. In the same month, the first useable Bell telephone arrived in Europe to be presented in Plymouth ... |
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