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Berlin, an enigma | by sanoi
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Berlin, an enigma

The Enigma machine was a cipher machine used to encrypt and decrypt secret messages.

The Enigma was used commercially from the early 1920s on, and was also adopted by the military and governmental services of a number of nations—most famously by Nazi Germany before and during World War II.

 

enigmaco.de/enigma/enigma.html

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Taken on November 4, 2007