Union Army Cipher Disk | Accurate Civil War Replica physics teach school For you teachers and Homeschoolers

For you teachers and Homeschoolers and game players who want a little more thinking

Designed by our founder Dave Janelle and handcrafted in our family workshop in Hudson

not a punishing brain teaser

crafted with precision and designed to challenge your mind

Union Army Cipher Disk | Accurate Civil War Replica physics teach school For you teachers and HomeschoolersA precision laser engraved wood version of this famous cipher which was used for the encryption of messages of the Union Army during the American Civil War (1861 1865). It was a system primarily used for flag signals where there was a line of sight or for encrypted morse code messages. Note each disk has a unique serial number as was used in the original wheels. Instructions for use are included. The letters A. J. M on the disk are for Albert J Myer,