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New Jersey
Designed by our founder Dave Janelle and handcrafted in our family workshop in Hudson
For you teachers and Homeschoolers and game players who want a little more thinking
Penny Drop II has been featured in holiday toy gift guides by WCVB Boston and MyNBC5 Vermont (Hearst broadcast affiliates)
Union Army Cipher Disk | Accurate Civil War Replica physics teach school New JerseyA 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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