by:
ISBN:
0-7414-2444-4
©2005
Price:
$13.95
Book Size:
5.5'' x 8.5''
, 160 pages
Category/Subject:
BIOGRAPHY & AUTOBIOGRAPHY / Military
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.
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