From Tunny to Colossus

Image TedColes, CC BY-SA 3.0, via Wikimedia Commons

The National Museum of Computing

Wednesday, 10th November 2021

Dr Ted Coles will tell the story of the cipher machine that sent telegrams between German High Command and the Generals at Army group HQs. Without ever seeing the machine, Bletchley Park diagnosed how it worked and developed a way of deciphering intercepted messages.

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