Bentley's complete phrase code, (nearly 1000 million combinations) with at least 8 letters difference between each half-code word) and Bentley's table code containing tables on banks and banking houses, commodities, decimal currency table, ports and places, reference table, steamers, weights and measures, and simplified mutilation tables covering both the original and the additional words ...
|Main Author:||Bentley, E L.,|
[New York] Rose printing co., c1920.
Cipher and telegraph codes
Label mounted on t.-p.: From C. Bensinger co.
27 1/2 cm.
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