List of cipher holders on front fly leaf. Added pages glued in. Cipher for numerals on back fly leaf. Instructions for use are handwritten and glued onto back fly leaf verso. Ms. page numbers.
Cryptography--Handbooks, manuals, etc Cryptography--United States United States--History--Civil War, 1861-1865--Communications--Sources United States--History--Civil War, 1861-1865--Cryptography United States. Military Telegraph Corps
Source
Thomas T. Eckert papers, 1861-1877 (bulk 1862-1867) Thomas T. Eckert Papers, Decoding the Civil War
Provenance
Purchased in part by the Library Collectors' Council from Seth Kaller, January 21, 2012.
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