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- Four Early Transistors, 1948-1954 - Transistors may be small, but they carry massive historical impact--they are the key building block of the electronic age. These semiconductors function as transmitters and resistors, replacing bulky vacuum tubes and affecting the scale of radios, computers--even hearing aids. Transistors were first successfully demonstrated at Bell Laboratories in 1947; this plaque commemorates the company's technological milestones.

- 1948-1954
- Collections - Artifact
Four Early Transistors, 1948-1954
Transistors may be small, but they carry massive historical impact--they are the key building block of the electronic age. These semiconductors function as transmitters and resistors, replacing bulky vacuum tubes and affecting the scale of radios, computers--even hearing aids. Transistors were first successfully demonstrated at Bell Laboratories in 1947; this plaque commemorates the company's technological milestones.