![]() One form of secret writing used by both the British and American armies was invisible ink. ![]() Learn More: The Culper Code Book Invisible Ink Similarly, some letters were written in intricate secret codes where numbers and special characters replaced letters, a method most notably practiced by the Culper Spy Ring. Some spy groups even created their own pocket guide to serve as a cipher’s key. The letter’s recipient utilized a key-which referenced corresponding pages and letters from a well-known book, such as Entick's Dictionary-to decode the document’s true message. ![]() In ciphers, letters were used to represent and replace other letters to mask the true message of the missive. Ciphers and secret codes were used to ensure that the contents of a letter could not be understood if correspondence was captured.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |