Comprising 2,500 valves and rebuilt from a series of black and white photos and some circuit diagrams.The original wartime Colossus was ... Post Office engineer, Tommy Flowers, it was used at ...
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The National Museum of Computing reboots Bletchley Park's H BlockThe Colossus was constructed specifically to ... engineers to the design of Tommy Flowers, and after World War II, H block was used for training by the GPO. A large chunk of funding for the ...
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