1 / 15

The Electric Telegraph

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)

niel
Download Presentation

The Electric Telegraph

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Electric Telegraph By: Kelsey Garrison

  2. Forms of long distance communication before telegraph • Smoke signals • Semaphore

  3. 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)

  4. Telegraph models from each inventor • Claude Chappe • Samuel Soemmering

  5. continued • Carl Gauss and Wilhelm Weber • William Cooke and Charles Wheatstone

  6. continued • Samuel Morse and Alfred Vail

  7. Who gets the credit? • Samuel Morse and Alfred Vail Samuel Morse Alfred Vail

  8. 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.

  9. First telegraph message • The first telegraph message was sent on May 24, 1844 and read, “What hath God wrought!”

  10. First Telegraph line • Morse received a grant from Congress in 1843 to construct a telegraph line between Washington, D.C. and Baltimore, Maryland

  11. Telegraph Company • Western Union built its first transcontinental telegraph line in 1861 and became the top telegraph company.

  12. Transatlantic cable • In 1866, the transatlantic cable was successfully completed between U.S. and England

  13. How did it impact society? • Helped with westward expansion • Made communication faster • Information and news was spread faster

  14. Problems? • Cost • Communication was limited to stations linked by cables

  15. 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

More Related