Description
The third volume of greatest hits from the periodical, with 35 tales from the crypt. Historical pers...
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The third volume of greatest hits from the periodical, with 35 tales from the crypt. Historical perspectives include the failure to break codes at Pearl Harbor, the Arab contribution to the origins of cryptology, code breaking and the birth and structure of the United Nations, and why Safford was pessimistic about breaking the German Enigma cipher machine in 1942. The technology is reviewed with such topics as some Victorian periodic polyalphabetic ciphers, the 1946 Pendergass Report on cryptanalysis and the digital computer, an Enigma chronology, the Norwegian modifications of the Siemans and Halske T52e cipher machines, and the Autoscritcher. No index. Annotation c. by Book News, Inc., Portland, Or.
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