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Paha777 [63]
3 years ago
11

The first telegraph contributed to the field of

History
1 answer:
DIA [1.3K]3 years ago
6 0
The first telegraph contributed to the field of "Communication" (D)

In 1844, Morse sent his first telegraph message.
 
You would send a <span>telegraph over a wire through a series of electrical </span>current<span> pulses. </span>Morse code is the main communication used with the telegraph.

Hope that helps!
-Chris 
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