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Knoll, Max
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Knoll, Max

German electrical engineer

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history of electron microscope

  • parasitism
    In electron microscope: History

    …by 1931 German electrical engineers Max Knoll and Ernst Ruska had devised a two-lens electron microscope that produced images of the electron source. In 1933 a primitive electron microscope was built that imaged a specimen rather than the electron source, and in 1935 Knoll produced a scanned image of a…

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