A collection of 20 cipher devices @ ooject.

The Enigma variations. The Enigma is one of the most well known devices in the history of gadgets, being responsible for the birth of the computing industry, in attempts to crack it. This has largely overshadowed the plethora of other cryptographic devices, which are often overlooked. Here is a gallery of 20 secret message machines.

Which one is your favorite? I like the Hagelin C-52.

Related:

DIY CD-ROM Cipher device.