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23 giug 1904 anni - Vàlvules de Buit

Descrizione:

Estaven constituïdes per dos o més elèctrodes rodejats de buit en un tub de cristall, amb un aspecte semblant al de una bombeta

Aggiunto al nastro di tempo:

Historia de la Informàtica

ByArnau Ferraté

26 nov 2018

1

0

344

Data:

23 giug 1904 anni

Adesso

~ 121 years ago

Immagini:

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