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Title: Valve heater transformer, reputedly from a Colossus computer, 1940-45 [Go to resource]
Description: Valve heater transformer, reputedly from Colossus computer, 1940-1950 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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