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...
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...
Smithsonian Institution
Smithsonian Education: Carbons to Computers Fax
The Smithsonian Institution provides the lifeline of the fax machine and of its uses in the business world.
Smithsonian Institution
Smithsonian Education: Spotlight Biography Inventors
This site provides information on American inventors Benjamin Franklin, Robert Fulton, Eli Whitney, Thomas Jefferson, Isaac Singer, Wilbur Wright, Thomas Alva Edison, Elias Howe, and Alexander Graham Bell. It offers pictures from and...
Then Again
Then Again: Web Chron: Alexander Graham Bell Invents the Telephone
This site describes how Bell started out by seeking to help the deaf and ended up with a telephone. It gives brief information about his family and how he came to invent the telephone.
Gilder Lehrman Institute of American History
Gilder Lehrman Institute: History Now: Technology of the 1800s
[Free Registration/Login Required] Article considers the inventions and innovations in communication, transportation, and manufacturing that drove America forward in the nineteenth century. Includes a link to an interactive history of...
Independence Hall Association
U.s. History: Inventors and Inventions
The industrial revolution in America spawned the inventions of many inventors, who improved technology in many different areas. See how transportation, agriculture, and communications were transformed because of these inventions.
PBS
American Experience: Technology Timeline: 1752 1990
Short descriptions of important technological innovations produced in America and the date of their introduction.
Enchanted Learning
Enchanted Learning: Inventors & Inventions 1801 1850
This site from Enchanted Learning presents several brief overviews of major early nineteenth century inventors and their inventions. The information is accessible by clicking on the corresponding link.