The post-horse express mail system was abolished and replaced by telegraph. At present, there are 2250 telegraph companies in the United States.
As with his revolver mechanism, Colt's innovative cable was adapted from an earlier design: a cable developed by telegraph inventor Samuel F.B. Morse (1791-1872).
The news came by telegraph.
Notice may be given by telegraph, telephone, facsimile, mail or personally.
Edison rushed out and carried the boy to safety. The boy's father was so thankful that he taught Edison how to send messages by telegraph.
send instructions to(sb)by telegraph
The United States is being woven by railway, by telegraph, more and more into one vast unity, speaking, thinking, and acting harmoniously with itself.
The fire was announced to the family by telegraph.
a message transmitted by telegraph.
The boy was too frightened to move.... the boy's father was so thankful that he taught Edison how to send message by telegraph.
I will tell the result by telegraph.
Scanning was first used in the transmission of pictures by telegraph.
For fast-moving stories, papers would print "extra" editions with updates sent by telegraph.
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