Engineering an Enigma

Engineering an Enigma

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Description

Cragg's hand-made Enigma machines deciphered German U-boat messages. Head of Naval Code and Signal Laboratory Research & Development, Cragg describes his cryptographic missions and life in wartime Washington, D.C.show more

Product details

  • Paperback | 160 pages
  • 138 x 212 x 14mm | 240.41g
  • Infinity Publishing (PA)
  • United States
  • English
  • black & white illustrations
  • 0741424444
  • 9780741424440
  • 2,093,149