Riverbank Publications No. 15 : A Method of Reconstructing the Primary Alphabet from a Single One of the Series of Secondary Alphabets

by William F. Friedman

$295 · Offered by Kuenzig Books

Riverbank, Geneva Ill. Riverbank Laboratories Department of Ciphers 1954. Reprint. 3-9, 1-blank pages. 20 x 26.8 cm. Comb binding over printed tan covers. Minor edge fading to cover, clean internally. There were 2 issues of this publication - both are marked 1917 on the front cover. The second issue as offered here was published in a comb binding, with different paper stock we've seen several colors of the comb binding,

• Printing: later

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