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Subjects
Cipher and telegraph codes| Edition | Availability |
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1
Bentley's complete phrase code: (nearly 1000 million combinations) (with at least 2 letters difference between each half-code word)
1918, Allied code company
in English
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Book Details
Table of Contents
Bentley's complete phrase code.
Private supplement ... Index of additional subjects (or phrases).
Bentley's telegraph cyphers (large ed.) arranged in terminational order.
Bentley's million cyphers (8 letters each with a 2-letter difference). For transmitting any figures within the following range: 0/9, 00/99, 000/999, 0000/9999, 00000/99999, 000000/999999.

