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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
it measures about 7 inches square
Penny Drop II has been featured in holiday toy gift guides by WCVB Boston and MyNBC5 Vermont (Hearst broadcast affiliates)
Browse more in the handmade wood puzzles collection
Designed by our founder Dave Janelle and handcrafted in our family workshop in Hudson
Union Army Cipher Disk | Accurate Civil War Replica physics teach school it measures about 7 inchesA 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,
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