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The Electric Telegraph. By: Kelsey Garrison. Forms of long distance communication before telegraph. Smoke signals . Semaphore. Contributors to the idea. Claude Chappe (1794) Samuel Soemmering (1809) Carl Gauss and Wilhelm Weber (1833) William Cooke and Charles Wheatstone (1837)

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Presentation Transcript
the electric telegraph

The Electric Telegraph

By: Kelsey Garrison

contributors to the idea
Contributors to the idea
  • Claude Chappe (1794)
  • Samuel Soemmering (1809)
  • Carl Gauss and Wilhelm Weber (1833)
  • William Cooke and Charles Wheatstone (1837)
  • Samuel Morse and Alfred Vail (1837)
telegraph models from each inventor
Telegraph models from each inventor
  • Claude Chappe
  • Samuel Soemmering
continued
continued
  • Carl Gauss and Wilhelm Weber
  • William Cooke and Charles Wheatstone
continued1
continued
  • Samuel Morse and Alfred Vail
who gets the credit
Who gets the credit?
  • Samuel Morse and Alfred Vail

Samuel Morse

Alfred Vail

morse code
Morse code
  • A dot-and-dash code that used different numbers to represent the letters of the English alphabet and the ten digits.
  • The dots and dashes were also called dits and dahs.
first telegraph message
First telegraph message
  • The first telegraph message was sent on May 24, 1844 and read, “What hath God wrought!”
first telegraph line
First Telegraph line
  • Morse received a grant from Congress in 1843 to construct a telegraph line between Washington, D.C. and Baltimore, Maryland
telegraph company
Telegraph Company
  • Western Union built its first transcontinental telegraph line in 1861 and became the top telegraph company.
transatlantic cable
Transatlantic cable
  • In 1866, the transatlantic cable was successfully completed between U.S. and England
how did it impact society
How did it impact society?
  • Helped with westward expansion
  • Made communication faster
  • Information and news was spread faster
problems
Problems?
  • Cost
  • Communication was limited to stations linked by cables
bibliography
Bibliography
  • "Crude Telegraph · 1809." History of Morse Code Crude Telegraph: OurStory.com. Accessed November 25, 2013. http://www.ourstory.com/thread.html?t=522306
  • "Destini Incrociati » Blog Archive » Samuel Morse e Alfred Vail." Destini Incrociati RSS. Accessed November 25, 2013. http://www.giacomozito.com/onair/Destini-Incrociati/samuel-morse-e-alfred-vail
  • "Fun with Morse Code." apfelmus. Accessed November 25, 2013. http://apfelmus.nfshost.com/articles/fun-with-morse-code.html
  • "History of Innovation." History of Innovation. Accessed November 25, 2013. http://aehistory.wordpress.com/1833/10/08/1833-the-first-electromagnetic-telegraph/g1/
  • "NADCOMM Papers and Writings." Telegraph Timeline. Accessed November 25, 2013. http://www.nadcomm.com/timeline.htm
  • "SEMAPHORE." SEMAPHORE. Accessed November 25, 2013. http://www.athropolis.com/sema.htm
  • "We are Big Idea Hunters…." Big Think. Accessed November 25, 2013. http://bigthink.com/think-tank/5-big-moments-in-the-history-of-knowledge-transfer
  • Wikimedia Foundation. "Cooke and Wheatstone telegraph." Wikipedia. Accessed November 25, 2013. http://en.wikipedia.org/wiki/Cooke_and_Wheatstone
  • Wikimedia Foundation. "Semaphore line." Wikipedia. Accessed November 25, 2013. http://en.wikipedia.org/wiki/Semaphore_line