Mathhews E C (1 results)

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      Published by New Era Studios 1961

      Seller: Pistil Books Online, IOBA, Seattle, WA, U.S.A.Pistil Books Online, IOBA

      5-star seller
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      Condition: Used - Fine

      US$ 43.13

      US$ 6.00 shipping 
      Ships within U.S.A.

      Quantity: 1 available

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      Staple Bound. Condition: Fine. 10 page booklet with crenelated hard paper covers containing a code through which one can "correspond with anyone, anywhere, regardless of differences in our languages by writing your message in numbers. Keywords: Codes, Secret Codes, Code Breaking, Decryption, Cryptography, Cryptology, Encryption,…