America’s Technological Revolution

Communication Prior to the development of practical applications of electricity and the devices that came after, long-distance communication was frustratingly slow. Having up-to-date knowledge of recent events in other parts of our vast country was very difficult if not impossible. Life was centered on local events.

Samuel Morse

Morse’s Contributions Morse Code Telegraph Technology

Thomas Edison

The “Wizard of Menlo Park” Light bulb Electric circuitry Recorded sound Recorded motion/video

First Sound Recording

Alexander G. Bell

Telephone

Edwin L. Drake

George Westinghouse

Air-brake patent diagram

Henry Bessemer

John Roebling