A cathode-ray tube (CRT) is a vacuum tube containing one or more electron guns, the beams of which are manipulated to display images on a phosphorescent screen. The images may represent electrical waveforms (oscilloscope), pictures (television set, computer monitor), radar targets, or other phenomena. A CRT on a television set is commonly called a picture tube.PharmaCircle This website uses cookies to help provide you with the best possible online experience. Please read our Terms & Conditions and Privacy Policy for information about
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