America's ENIAC computer calculated artillery trajectories, while Britain's Colossus computer decoded the Nazi's encrypted messages.

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Mr Sale is best known for the mammoth project that resulted in the re-creation of the Colossus computer.

BBC: Tony Sale: Computer restoration memorial prize launched

Tony Sale was the brilliant engineer who rebuilt the Colossus computer, established The National Museum of Computing at Bletchley Park and founded the Computer Conservation Society.

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