Good. Item may show signs of shelf wear. Pages may include limited notes and highlighting. Includes supplemental or companion materials if applicable. Access codes may or may not work. Connecting readers since 1972. Customer service is our top priority.
Good. 089412031X 1979 first edition Aegean Park Press (Laguna Hills, California), 8 5/8 x 11 inches tall green hardbound, no dust jacket (as issued), , 263 pp. Minor staining, rubbing and edgewear to covers, with very slight bumping to the lower tips and an ink number (21) to the upper spine. Discoloration/foxing to inner margin of both pastedowns and free-endpapers. Otherwise, apart from very slight age toning, a very good copy-clean and unmarked-of this book, initially prepared in 1946 by the Historical Section of the Army Security Agency, Washington, D.C. Due to the weight of the book, additional postage will be required for standard international orders. ~GG~ Covers the renaissance period of American cryptography. Text includes photo-reproductions of many American military codes used during World War I, instructions for their use, cryptographic reports, etc., and the solution of a previously unsolved historical problem, as well as the reconstruction of a code used by President Woodrow Wilson for his personal correspondence. The book discusses in some depth the founding of the Cipher Bureau (MI-8). This secret organization, founded by Herbert O. Yardley, later became known as the American Black Chamber. Text includes an index. Contents: Foreword; The Founding of the Cipher Bureau; Code and Cipher Compilation in Washington; The Communications Subsection of the Cipher Bureau; Code and Cipher Solution in the Cipher Bureau; The Secret Ink Laboratories; The Shorthand Subsection in New York; Code Compilation in France; The Radio Intelligence Sections in France; The Report of Lt. J. Rives Childs; Index.
Good. No Dust Jacket. Glossy hard cover, 263 pages. Binding does not have a lot of wear but the binding job is not of the highest quality, spine is sun faded, covers scuffed, dark glue reaction along hinge on end papers. Text is clean and unmarked. Images available. USPS confirmation used on all U.S. shipments.
Near Fine with no dust jacket. 089412031x. Just a hint of rubbing, unopened, no creases. The second of a three volume series on codes and ciphers in the US. Hard to find.; Cryptographic Series #21; 4to 11"-13" tall; 263 pages.
Very good. No dust jacket as issued. , 263 p. Footnotes. Illustrations. Index. This is number 21 in their Cryptographic Series. This work was prepared and written by the staff of the then Army Security Agency in 1946. This is based on the declassifed/sanitized version released by the National Archives. There were a number of gaps/censored portions which the editor has sought to fill from other sources, such as Yardley's The American Black Chamber.
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