Sunday, 16 April 2006

This is a machine called the Bombe that helped crack the code. On the left is the front of the machine. It has thirty-six sets of three alphabetic dials. The machine can process the cipher text and use frequency analysis to see if any of the settings of the three dials is a possible key for the enciphering. On the right is a part of the back of the machine showing the workings and wires.

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