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1855 - 1855
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German Geissler invents the Geissler tube, using the mercury pump to evacuate air in a vacuum tube, necessary for the production of cathode rays.
1859 - 1859
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German Julius Plucker conducted the first experiments with cathode rays.
1875 - 1875
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English Crookes was able to Confirm the existence of cathode rays by displaying them, with the Crookes tube, which was the basis for all developments for cathode ray tubes.
1897 - 1897
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German Braun invented the CRT Oscilloscope, used for early TVs and current radar tubes.
1897 - 1897
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JJ Thomson was able to conclude and discover the existence of electrons by the experiments with Cathode rays. He exposed the beams with alternate and differing polarities and observed the deflections.
1929 - 1929
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Zworykin invented the CRT kinescope - creating the first prototype TV.
1931 - 1931
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Mont produced the first commercial CRT for television.