Invention and innovation of the telegraph and the telephone.
Answers
Explanation ⤵
Two invention of the 19th century the electric telegraph and the electric telephone made reliable communication over great distances possible for the first time. Their effects on commerce, military operations, journalism and aspects of everyday life nearly immediate and proved to be long-lasting.
The telegraph :- The first practical electric telegraph system were created almost simultaneously in Britain and the United States in 1837. In the device developed by British inventors made a needles on a mounting plate at a receiver appointed to specific letters or numbers when electric current passed through attached wires.
Answer:
In the 1870s, Elisha Gray and Alexander Graham Bell independently designed devices that could transmit speech electrically. Both men rushed their respective designs for these prototype telephones to the patent office within hours of each other. Bell patented his telephone first and later emerged the victor in a legal dispute with Gray.