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Ferdinand Braun Builds the First Cathode Ray Tube

1897
photograph of Ferdinand Braun in his laboratory. Deutsches Museum, Munich
Image Source: www.researchgate.net
Ferdinand Braun in his laboratory. Deutsches Museum, Munich

In 1897 Karl Ferdinand Braun, director of the Physical Institute and professor of physics at the University of Strassbourg, built the first cathode ray tube (CRT).

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Science