1. America’s Technological Revolution

2. 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.

3. Samuel Morse

4. Morse’s Contributions
Morse Code
Telegraph Technology

5. Thomas Edison

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

8. First Sound Recording

9. Alexander G. Bell

10. Telephone

12. Edwin L. Drake

15. George Westinghouse

16. Air-brake patent diagram

17. Henry Bessemer

19. John Roebling