Definition of image tube
: an electron tube in which incident electromagnetic radiation (such as light or infrared) produces a visible image on its fluorescent screen duplicating the original pattern of radiation
— called also image converter
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“Image tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/image%20tube. Accessed 28 Feb. 2021.
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Time Traveler for image tube
The first known use of image tube was in 1936
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