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Disk cipher 1 - A clock that is sitting on a table
Pictures taken by myself at the US National Cryptologic Museum.
Disk cipher 2 - A clock that is sitting on top of a table
Pictures taken by myself at the US National Cryptologic Museum.
Disk cipher 3 - A clock that is sitting on a wall
Pictures taken by myself at the US National Cryptologic Museum.
Encryption device, probably German, before 1587, severely damaged in 1...
Exhibit in the Mathematisch-Physikalischer Salon (Zwinger), Dresden, Germany. This artwork is old enough so that it is in the public domain. Photography was permitted in the museum without restriction.