Cathode ray tube

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Cathode ray tube as foond in an oscilloscope

The cathode ray tube (CRT) is a vacuum tube that conteens ane or mair electron guns an a phosphorescent screen, an is uised tae display eemages.[1]

References[eedit | eedit soorce]

  1. "History of the Cathode Ray Tube". Retrieved 4 October 2009.