1 jan 1954 ano - TRANSISTOR RADIO

Descrição:

transistor radio is a small portable radio receiver that uses transistor-based circuitry. Following their development in 1954, made possible by the invention of the transistor in 1947, they became the most popular electronic communication device in history, with billions manufactured during the 1960s and 1970s.

Adicionado na linha do tempo:

Data:

Imagens: