7 pages matching Braille in this book
Results 1-3 of 7
What people are saying - Write a review
We haven't found any reviews in the usual places.
aabaa aligned American AMORC Answers applied army became began black chamber Braille British Burr called Chartley Castle cipher alphabet cipher disk codes and ciphers column combined command communications concealment created CRYPTANALYST'S CHAMBER cryptanalysts cryptology Darragh decipher developed device digraph diplomatic disk dots enciphered England English Esperanto Europe eventually example facts flag France French friends groups helped indicated involved John Wallis key word leaders letter pairs lf lf lf sf linked Louis Manki Mary means method military missives Moon Morse Morse Code Myer Napoleon Nara navy nomenclator one-time pad Opish pattern phrase pictographs placed plaintext plaintext letter Polybius position QU1Z rebel recipient revealed Rosicrucians Rossignol Russia secret languages sender sent sf lf sf sf sf sign language signals steganography substitution symbols Tap—Tap telegraph telegraphy torches transposition troops United Wallis Walsingham Washington Wheatstone wigwag writing Yardley