A 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, the inventor and Chief Signal Officer of the Union Army. His system was called Flag Telegraphy or ?Wigwag?.Made in USA by Creative Crafthouse
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Union Army Cipher Disk, US Civil War Flag Or Telegraph Encryption, Cipher Wheel Decoder, Enigma Machine, Historical Puzzle, Cryptography
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