Bletchley Park

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The Mansion 7/10/2004
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4-rotor Enigma machine @ Bletchley Park

Bombes were used against the Enigma cipher.

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Front panel, 3-rotor Bombe mockup
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Bombe under reconstruction
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Bombe under reconstruction

The Colossus computers were used against the Lorenz cipher. The reconstructed Mk2 has 2,500 valves.

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Reconstructed Colossus Mk 2 working(!) + Tony Sale (1931-2011)
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Reconstructed Colossus Mk 2 working(!) 7/10/2004
(tape wheel frozen by the flash)
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Bletchley Park .org.uk
Natl Museum of Computing
Codes And Ciphers .org.uk [10/2004]
Bombe -- John Harper [10/2004]

↑ © L. Allison, www.allisons.org/ll/   (or as otherwise indicated).
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