View Original: | SIGPOSI Card-Stencil Code, 1930s to World War II - National Cryptologic Museum - DSC08035.JPG (4320x3240) | |||
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Keywords: SIGPOSI Card-Stencil Code, 1930s to World War II - National Cryptologic Museum - DSC08035.JPG en Exhibit in the National Cryptologic Museum Fort Meade Maryland USA All items in this museum are unclassified; items created by the United States Government are not subject to copyright restrictions 2013-03-29 11 26 16 own Daderot cc-zero Uploaded with UploadWizard Cipher devices in the National Cryptologic Museum |