View Original: | Kryptographik Lehrbuch Der Geheimschreibekunst, by Johann Ludwig Klueber, 1809 - National Cryptologic Museum - DSC07736.JPG (4320x3240) | |||
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Keywords: Kryptographik Lehrbuch Der Geheimschreibekunst, by Johann Ludwig Klueber, 1809 - National Cryptologic Museum - DSC07736.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 10 13 27 own Daderot cc-zero Books and manuscripts in the National Cryptologic Museum Uploaded with UploadWizard Johann Ludwig Klüber |