How to Use the Union Army Cipher Disc for Escape Rooms
Posted by PHIL JANELLE
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The Union Army Cipher Wheel was primarily used for flag signaling during the American Civil War. The numbers on the outside of the disk would go along with a certain motion of the flag. For example, when signaling a 1, you may wave the flag left, and to signal an 8 you would wave the flag to the right. In some versions of this disk, the numbers one and two were used, but 2 was later replaced with 8 so that the numbers could be more easily read from any direction. There was a third flag signal which was represented by...