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An electronic device made up of a system of electrodes enclosed in an evacuated glass or metal container. Mostly replaced in present-day applications by solid-state devices such as diodes and transistors. h4. See also * [[Nixie tube]] (a device of similar appearance) h4. External links * Wikipedia: "Vaccuum tube":http://en.wikipedia.org/wiki/Vaccum_tube Updated by bot Sun, Sep 18 '22, 02:55 |