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What was the first electric telegraph?
One of the first was a remote switch called a relay in 1835 by Joseph Henry. It was part of a telegraph and later used in the telephone.
How was the telegraph used?
the first method used to send messages by electricity.
Why was a telegraph invented?
It was used as communication at first, but was then used as a secret language in war.
What does the telegraph achieve?
It help because there was no other phone and they had to use a telegraph to commuticate
Why was telegraph invented?
The telegraph was invented so that people in different towns could communicate with each other. The Morse code communications that are used with the telegraph were first used in the Civil War in the United States.
What 2 cities first used the telegraph?
Baltimore and Washington DC
What did the first telegraph look like?
what did the first telegraph look like?
What was machine used to comounicate before the first telephone s made?
The telegraph.
What was the relationship between gutta percha and the first transatlantic telegraph cable?
Gutta Percha is a flexible rubber-like material. It was used as an outside coating for the first transatlantic telegraph cable.
Can a telegraph be wireless?
Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph
Where was Canada's first telegraph line?
The first telegraph line in Canada was in Toronto. The first telegraph message sent in Canada was from Toronto to Hamilton on December 19, 1846.
What was invented first telegraph neon lamp motorized vacuum cleaners or airplane?
telegraph was invented first...if question doesn't mean wireless telegraph
