Mod 4.4 Spy Techniques of the Revolutionary War

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Across
  1. 3. _________ on textiles were also used to hide messages
  2. 5. Elias Nexsen was able to open a secret _____ of a letter sent to the Royal Governor Tryon. He then sent the open sealed letter to George Washington who resealed it and sent it onto to the Governor..
  3. 6. Some intricate secret codes used ______ and special characters to replace letters.
  4. 7. Secret writing was placed between the ______ of an innocent letter.
  5. 9. The true content of letters was also hidden through the use of _____ letters.
  6. 10. created a chemical solution out of tannic acid to be used as invisible ink.
  7. 11. A British courier of secret correspondence between Canada and Albany,New York.
  8. 13. Hollowed _______ of large feathers could hide tightly rolled up letters.
  9. 14. Ciphers were letters used to replace or represent other letters.
  10. 15. another name for secret codes.
Down
  1. 1. This British spy was consistently stealing George Washington mail.
  2. 2. The receiver of a secret letter would place it over a flame of treat it with a ________ reagent.
  3. 3. British spy Daniel Taylor hid a secret message inside a small silver _____.
  4. 4. consisted of a mixture of ferrous sulfate and water.
  5. 8. George Washington instructed his agent to use the _________ stain to render communication less exposed to detection.
  6. 12. Masked letters were viewed under a shaped ________ placed over the full letter.