Image: Four-rotor-enigma

Original image(1,033 × 984 pixels, file size: 195 KB, MIME type: image/jpeg)

Description: A four rotor Enigma machine.
Title: Four-rotor-enigma
Credit: Web page Image
Author: Greg Goebel
Permission: Public Domain, as stated in [1]: This site contains a set of public-domain writings on a range of subjects. All documents have been written by myself and are free for use in the public domain; many of the illustrations have been created by myself and are also in the public domain, with these illustrations marked "GVG / PD".
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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