Telegraph-
Intro, invention, inventor, how it changed the world, closing.
The telegraph was a revolutionary invention. It was one of the earliest forms of instant or near instant messaging. Other inventions and ideas also came about from this invention. The telegraph played a very important role in U.S. history. Without it our country would be very different, or it might be nonexistent.
The telegraph is device that allows messages to be sent by electrical impulses over wires. The telegraph would print code on tape. later on it would send it to be heard. There were several early variations of the telegraph that weren't successful or as efficient. The most successful version was created by Samuel Morse in 1837. The telegraph is outdated now.
Samuel Morse also created Morse code with Alfred Vail his assistant. Samuel Morse was a professor of arts and design at New York University. While he was there he figured out how to use pulses to move an elector magnet which moved a marker. This marker would write the codes on paper. This code was Morse code. May 1, 1844 was the day that the first message was sent by telegraph. The message said that Henry clay was nominated as the Whig party's representative.
Sources: http://inventors.about.com/od/tstartinventions/a/telegraph.htm
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