About the product
- A REAL HISTORICAL CIPHER WHEEL: This encryption machine was state of the art during the time of conflict between Mexico and the USA shortly before World War I. It uses 5 disks that convert letters into 2 digit numbers based on a key that is used to initially set the wheels.
- LASER ENGRAVED: The wood used is alder and the numbers are deeply laser engraved on the smooth lacquered surface. The largest wheel is just under 6
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