Writing Secret Codes and Sending Hidden MessagesSterling Publishing Company, 1984 - 127 páginas Explains how to use secret codes, including Morse, Caesar's, Sandwich, Rosicrucian, and others, as well as how to send hidden messages using invisible ink, how to take fingerprints, and other tricks and techniques. |
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Writing Secret Codes and Sending Hidden Messages Gyles Daubeney Brandreth No hay ninguna vista previa disponible - 1984 |
Términos y frases comunes
alphabet Alphabet ciphers appear brown Caesar's cipher called candle cards code ring code words coder codes and ciphers copy dead letter box Decipher this secret decode disguise document Double Dutch cipher enemy example finger fingerprints flags follow footprints friends handkerchief headquarters hideout Ink Ink inside invisible ink juice Julius Caesar keep knock knot known leaf leave lemon look Madame de Pompadour mean danger meaningless letters message in Morse messages written messenger Morse code needle newspaper number ciphers ordinary pencil pick piece of equipment piece of paper piece of string plaster powder Rail Fence cipher read the message Roman numerals sage secret agents Semaphore send secret messages shopping list Simply someone symbol Take the message teaspoonful tracks trail vowel warm the paper wear write the message write your message writing will appear X Y Z XXIV