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23 dic 1947 anni - Transistor Radio

Descrizione:

Small portable radio receiver that uses transistors in its circuits. Bell Laboratories demonstrated the first transistor on December 23, 1947. The scientific team at Bell Laboratories responsible for the solid-state amplifier included William Shockley, Walter Houser Brattain, and John Bardeen.

Aggiunto al nastro di tempo:

14 dic 2019
0
0
485

Data:

23 dic 1947 anni
Adesso
~ 77 years ago

Immagini: