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jun 23, 1904 - Vàlvules de Buit

Description:

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

Added to timeline:

Historia de la Informàtica

ByArnau Ferraté

26 Nov 2018

1

0

345

Date:

jun 23, 1904

Now

~ 121 years ago

Images:

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