Ambrose Fleming (engelsman) 1849 - 1945. Uppfinnare av 2-elektrodröret.

Swedish National Museum of Science and Technology

Ambrose Fleming (engelsman) 1849 - 1945. Uppfinnare av 2-elektrodröret.

Okänd

RightsCC0 — Public Domain

CollectionSwedish National Museum of Science and Technology

Ambrose Fleming (engelsman) 1849 - 1945. Uppfinnare av 2-elektrodröret.

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