(The model with an A-Z keyboard, shown in several books on the Enigma, is a Polish-French replica, not an actual Enigma machine.) It measured about 13.5" x 11" x 6", and weighed about 26 lbs.

Thanks to the relatively high-resolution touch screen, [Mark] was able to develop a user interface for his Enigma that really gives you a feel for how the original machine worked. Obviously it’s ...

The World War II German Enigma encoding machine is something of an icon in engineering circles not just for its mechanical ingenuity but for the work of the wartime staff at Bletchley Park in ...