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Create a code wheel to easily translate between letters using a Caesar Cipher.

  1. Punch a hole in the middle of both and attach with a brass fastener so the top wheel (the smaller one) can move independent of the bottom wheel.
  2. Use a protractor to get each segment the same size -- they should be about 13.8 degrees each
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  3. 4.
  4. When writing the letter, look at the inner wheel and write down the letter that is matched on the outer wheel.
  5. For additional complexity, use a cipher that changes on each letter (such as the digits of π or the numerical digits of a sentence).
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Community Q&A

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  • Question
    Can I use number code instead of alphabet?
    Community Answer
    No because unless you pre-coded, you will just have numbers that mean nothing.
  • Question
    How do I decipher numerical codes? Do I search for the most common ones?
    Community Answer
    Make the inner ones in the smaller circle numbers 1-26 instead of letters. Make sure they are still at the same angle or if everything to be numbers, just replace everything with numbers 1-26.
  • Question
    What if I don't have a protractor?
    Donagan
    Top Answerer
    Use a drawing compass or a pot lid.
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      Things You'll Need

      • Scissors
      • 2 paper plates or construction paper
      • A pencil, pen, or marker
      • Paper piercer
      • A brad
      • A ruler.

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