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British Portex machine (BID/50) on display at Bletchley Park Enigma and Friends exhibit, put together by David White and John Alexander.

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Public domain This work has been released into the public domain by its author, Matt Crypto. This applies worldwide.

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Matt Crypto grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current17:17, 26 November 2005Thumbnail for version as of 17:17, 26 November 20052,304 × 1,728 (1.58 MB)Matt CryptoBritish en:Portex machine (BID/50) on display at Bletchley Park ''Enigma and Friends'' exhibit, put together by David White and John Alexander. {{PD-self}} {{PD-user|Matt Crypto}} Category:Cryptography

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