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Invented by the German physicist Ferdinand Braun in 1897.
Etymology from Wiktionary, CC BY-SA 4.0.
Braun tube
Today it means: An early cathode ray tube. Full definition →
Today it means: An early cathode ray tube. Full definition →
Invented by the German physicist Ferdinand Braun in 1897.
Etymology from Wiktionary, CC BY-SA 4.0.