With modern technology, the telegraph is being confined to history.
Telegraph poles to stop debris
Communication by telegraph has been outmoded by wireless communication methods.
You could possible use " extra- " as in extraterrestrial. Probably better to use " tele -" as in telemetry, telepathy, television, telephone, and telegraph.
The office sent a telegraph to the main office warning them that the printer had just broken down. *telegraph= old fashioned letter (like a text/email)
I'm going to send this telegraph to Joe!
Example of telegraph in a sentence:Yesterday I put up a telegraph pole all around the united kingdom.
Bell was trying to improve the telegraph when he invented the telephone. They used the telegraph to communicate across the ocean.
telegraph was an old machine invented by Thomas Edison, to talk to each other.
it helped lincoln because the south did not have a telegraph so lincoln could communicate to his generals to give them information
they can talk and and they could just send it through the telegraph
A device that could send information over wires across great distances
i hate that word, likewise, i use it in this sentence