Union Army Cipher Disk | Accurate Civil War Replica physics teach school Browse more in the handmade

Browse more in the handmade wood puzzles collection

not a punishing brain teaser

Most games that uses a 3 x 3 or 4 x 4 or 5 x 5 playing area can be played using this set

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

crafted with precision and designed to challenge your mind

Union Army Cipher Disk | Accurate Civil War Replica physics teach school Browse more in the handmadeA 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,