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Colossus: Bletchley Park's Greatest Secret
By Paul Gannon
Edition Description
In 1940, almost a year after the outbreak of World War II, Allied radio operators at an interception station in South London began picking up messages in a strange new code. Using science, math, innovation, and improvisation, Bletchley Park code breakers worked furiously to invent...
Edition Details
Format:Paperback
Language:English
ISBN:1843543311
Format: Paperback
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Colossus: Bletchley Parks Greatest Secret
By Paul Gannon
Edition Details
Format:Hardcover
Language:English
ISBN:1843543303
Format: Hardcover
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