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Date: 2013-09-30 09:45:57Officers of the Order of the British Empire Biuro Szyfrów Alan Turing Enigma machine Bombe Peter Twinn Marian Rejewski Harry Hinsley Bomba Cryptography Espionage Bletchley Park | Copeland/The Essential Turing[removed]:18am Final Proof 217 Enigma Jack CopelandDocument is deleted from original location. Download Document from Web Archive |