Bletchley Park 18-7-25 77 Polish Bomba

Polish Bomba

(scale replica)

The Bomba machine was developed by the Poles to help find individual Enigma keys. The rotors you can see on top mimic the rotors of an Enigma machine.

The machine cycled through possible Enigma rotor positions. It looked for patterns that allowed the starting rotor settings for a particular message to be identified.

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