Sir Ambrose Fleming 1849 - 1945. Uppfinnare av radioröret 1905.

Swedish National Museum of Science and Technology

Sir Ambrose Fleming 1849 - 1945. Uppfinnare av radioröret 1905.

Okänd

RightsCC0 — Public Domain

CollectionSwedish National Museum of Science and Technology

Sir Ambrose Fleming 1849 - 1945. Uppfinnare av radioröret 1905.

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