Here to download a graphical computer simulator for the Army/Air Force and the Railway Enigma cipher machines. (230K)
(Requires Windows 3.1/95/98/NT4/2000/XP)
You can find more detailed information about these machines in our
David H. Hamer, Geoff Sullivan and Frode Weierud, Enigma Variations:
An Extended Family of Machines,Cryptologia, 22(3),
July 1998, pp. 211‐229.