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Maryland Science Center
Maryland Science Center: Diy Telegraph [Pdf]
Instructions for how to build a telegraph device for sending a message in Morse code.
CK-12 Foundation
Ck 12: Physics Simulation: Telegraph
[Free Registration/Login Required] Explore the concept of Morse Code and how signals are transferred over great distances by using telegraph machines based on electromagnets using our interactive simulation. A PDF worksheet and a video...
Library of Congress
Loc: America's Story: First Transcontinental Telegraph System
Jump back in time to October 24, 1861, when the first transcontinental telegraph was completed, thus hastening the end of the Pony Express.
Other
The Telegraph: Calcutta
The Telegraph is Calcutta, India's local/regional/national news source online.
National High Magnetic Field Laboratory
Magnet Academy: Gauss Weber Telegraph 1833
Several years before the telegraph created by American inventor Samuel Morse revolutionized communications, two German scientists built their own functional telegraph.
State Library of North Carolina
N Cpedia: Telegraph
The telegraph was an electronic means for the rapid and reliable transmission of coded information over extended distances. In time it was also perfected to interpret and print the electronic symbols into readable text. By 1848 a...
University of Houston
University of Houston: Engines of Our Ingenuity: No. 1393: Inventing the Telegraph
Read about the history of the telegraph in this article, which is a transcript of a radio broadcast.
Other
Texas Bob: The Tri Weekly Telegraph: Death of Gen. Houston
Read the article from Texas' Tri-Weekly Telegraph from July 29, 1863, recounting the death of General Sam Houston. He was known for bringing Texas into the United States as a constituent state.
Smithsonian Institution
National Museum of American History: Information Age
This exhibition surveys the history of information technology and its relation to society from the origin of the telegraph to the present. Its emphasis is as much on social as technical change. This support page contains background...
University of Toronto (Canada)
Univ. Of Toronto: Selected Poetry of Robert W. Service
The full texts of four of Service's poems are located at this site: "The Cremation of Sam McGee," "The Shooting of Dan McGrew," The Song of the Wage-slave," and "The Telegraph Operator."
Education.com
Education.com: L.4.4.b Worksheets: Use Greek and Latin Affixes and Roots as Clues
[Free Registration/Login Required] A site with links to 22 worksheets that can be downloaded and printed for student use while building skills with standard L.4.4.B: Use common, grade appropriate Greek and Latin affixes and roots as...
Smithsonian Institution
National Postal Museum: Famous Americans: Samuel Morse
Learn brief information concerning Samuel Morse, inventor of the telegraph, who was featured on the two cent postage stamp.
Massachusetts Institute of Technology
Mit: Inventor of the Week: Samuel f.b. Morse
Provides a short biography of Samuel F.B. Morse, and his invention of the one-wire telegraph and the Morse Code. Also contains pictures.
Library of Congress
Loc: West Side Story: Birth of a Classic
View the online exhibit featuring photographs, documents--opening night telegraphs, letters, notes by Jerome Robbins and Leonard Bernstein, set designs--and other items such as posters, DVD covers, and a pair of slippers worn in the...
Canada Science and Technology Museum
Canada Science and Technology Museum: An Exhibit on Communications
Follow the development of telecommunications from the earliest times to the most advanced technologies! Useful research tool highlighting the telegraph, telegram, telephone todigital networks and computing in Canada.
Curated OER
National Park Service: Thomas Edison National Historical Park: Edison Biography
Here is a very detailed biography of Thomas Edison ranging from his boyhood and his work as a telegrapher, moving on to his invention of the phonograph and incandescent light bulb, and finally, a description of his laboratories where he...
Rutgers University
Thomas Edison Papers: Biography of Thomas Edison
The first person to make the storage battery practical, with 147 patents, Edison's life is a testimony to invention. This biography, in outline form, is in two parts; go to 1879 site after this.
Princeton University
Princeton University: Joseph Henry
A really fine and complete biography, quite lengthy. Some emphasis placed on his time at Princeton. A great deal of detail can be found here. Link here to the Joseph Henry House.
PBS
Pbs: Transistorized!
This site provides a tour of the discovery and development of the transistor form PBS, including video and lesson plans.
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