Samuel Finley Breese Morse (1791-1872)
The first telegraph was invented by Samuel Finley Breese Morse or maybe called Samuel Morse, an American researcher in 1837 and in England in the same year by a physicist Sir William F. Cooke. Telegraph became an important communication tool in the mid-1800s until the mid 1900s.
Morse uses simple codes to represent the messages to be sent by using an electrical pulse through a single cable.
During the experiment using its equipment, Morse found that the signals can only be sent by either within 32 km. For distances greater than 32 km, the received signals become too weak to be recorded. Morse then build relay equipment that is placed at every 32 km from the station signal. The relay serves to reiterate the received signal and sends it back to the next 32 miles. Relay consists of an electromagnetic switch operated.
Morse lived to old age. He had witnessed the telegraph line installed in all parts of the world including submarine cables. On the birthday of eighty. A statue of him was unveiled in Central Park, New York in recognition of his services. A year after that he died.
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