Historical Electronics Museum, Inc. - History of the Nation's Defense Electronics
wireless telegraph by Marconi

Until the advent of electrical communications with the invention of the telegraph by Samuel F. B. Morse in 1835, human communications was limited to as far as one could see or as fast as a horse could run. Applying the electrical principles developed by the physicists preceding him (as presented in the Fundamentals Gallery) Morse was able to move human communications in one step to the speed of light by sending signals over wire. However, this was only the beginning as electrical and electronics advances moved communications from telegraph to voice and eventually to wireless pictures, television, and digital communications. Here you will see that development chronicled and how the military was quick to adopt these new capabilities.

Westinghouse radio
This Exhibit Includes:
  • The development of the Morse telegraph and the Bell Telephone
     
  • Marconi's pioneering wireless experiments
     
  • Reproduction of an early amateur radio spark gap "shack"
     
  • An operational amateur radio station capable of worldwide communications by voice, Morse code, digital modes, and television.
     
Morse Telegraph Machine

 

The National Electronics Museum is organized into thirteen related exhibit galleries:
 
1. Fundamentals Gallery
2. Communications Gallery
3. Early Radar Gallery
4. Cold War Radar Gallery
5. Modern Radar Gallery
6. Countermeasures Gallery
7. Under Seas Gallery
8. Electro-optical Gallery
9. Space Sensor Gallery
10. Past Gallery
11. Web Gallery
12. WWII Radar Kiosk
13. Cold War Radar Kiosk

 
Click here for an Adobe pdf showing the gallery layout

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