The Encyclopedia Americana, Volume 8Grolier, 1994 - Encyclopedias and dictionaries |
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Page 278
... letters : OCUPANT ; then write the letters of the alphabet , eliminating those already appearing in the key , in horizontal lines under the key to form a block : OCUPANT B D E I FGH JKLM Q R S V W X Y Z then read down the columns to ...
... letters : OCUPANT ; then write the letters of the alphabet , eliminating those already appearing in the key , in horizontal lines under the key to form a block : OCUPANT B D E I FGH JKLM Q R S V W X Y Z then read down the columns to ...
Page 279
... letters of the plaintext in the upper alphabet and replacing them with their cipher equivalents , standing ... letters , one at a time , and are consequently called monographic . However , systems exist that encipher two or more letters ...
... letters of the plaintext in the upper alphabet and replacing them with their cipher equivalents , standing ... letters , one at a time , and are consequently called monographic . However , systems exist that encipher two or more letters ...
Page 282
... Letter Frequency . Constancy in language characteristics extends to other phenomena besides the frequency of occur- rence of individual letters . Letter pairs have fairly constant frequencies : in English , the most common are th , he ...
... Letter Frequency . Constancy in language characteristics extends to other phenomena besides the frequency of occur- rence of individual letters . Letter pairs have fairly constant frequencies : in English , the most common are th , he ...
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Common terms and phrases
19th century American atoms ball became born British buttress dam called cells central church cipher ciphertext civil College color Communist corporation cosmic rays costume cotton Council court crabs Crane Cretaceous Crete cricket crime criminal criticism Croatia cross crown crustaceans cryptanalyst CRYPTOLOGY crystal Cuba Cuban cubism culture curriculum cycads Cypriot Cyprus Czech Czechoslovakia Dalmatia dance developed died early economic elected England English Europe example federal feet fibers France French galaxy German Greek important inches industry island king known land later letters major ment Mesara Plain meters miles military modern North organization painting Paris plaintext plants play political population president produced reform region Republic River Roman Slovak Slovakia social society species structure tion United University usually West Western World World War II York