| 11. | The cathode rays were later found to be streams of charged particles, electrons.
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| 12. | It was also the first using a cathode ray tube for display purposes.
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| 13. | This is a common artifact in sets that use a cathode ray tube.
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| 14. | But the cathode ray tube ( CRT ) is finally showing its age.
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| 15. | *Cathode ray tubes create pictures by scanning from top to bottom.
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| 16. | Later, Dr . Jenny Bramley worked for the Navy designing cathode ray tubes.
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| 17. | In 1876 the effect was named " cathode rays " by Eugen Goldstein.
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| 18. | Some older cathode ray tube television sets have a built-in transmitter.
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| 19. | Cathode ray tubes have been shortened and lenses improved to reduce picture distortion.
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| 20. | Fortunately, he lived without the benefit of the cathode ray tube.
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