How to Use the Union Army Cipher Disc for Escape Rooms
Posted by PHIL JANELLE
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...