Palo Alto, California: Birthplace of the Vacuum Tube
The "audion" vacuum tube invented by electronics inventor Lee de Forest ("Father of Radio") in 1906 and his development of the 3-element triode vacuum tube the following year started the Golden Age of Vacuum Tubery. "Electronics Research Laboratory" marker at the site.
- Address:
- 913 Emerson St., Palo Alto, CA
- Directions:
- SE corner of Emerson and Channing.
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On the corner of Emerson and Channing is a plaque that commemorates the original site of the Electronics Research Laboratory. This is where the vacuum tube was invented.
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