Bletchley Park 18-7-25 96 Hut 6 Machine Room

Machine Room

In 1941 this was where men and women actually breaking the ciphers worked, using just pencils and paper. It took intense concentration to calculate which rotors were being used, the order they were put in the Enigma machine and the settings. They were sometimes helped by a ‘Cilli’ - the careless use of a predictable name or rude word by an Enigma operator.

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