Heinz Nixdorf Museums Forum

The Heinz Nixdorf Museums Forum is located in Paderborn, Germany, and is the largest computer museum in the world.

On display

 * A 4-rotor Enigma machine.
 * A replica of Giovanni Batista Porta's cipher disk from 1563.
 * An M-209
 * A Lorenz SZ 40/42
 * A CD-57