Category: Cryptography

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Image for Secret Writing An Introduction to Cryptograms, Ciphers and Codes

Secret Writing An Introduction to Cryptograms, Ciphers and Codes

By: Lysing, Henry

Price: $75.00

Publisher: New York, David Kemp & Company: 1936

Edition: 1st Edition; 1st Printing

Seller ID: A37194

Condition: Very Good+ in Very Good- dust jacket


This book is in Very Good+ condition and has a Very Good- dust jacket. The book and its contents are in mostly clean, bright condition. The spine ends and corners of the book covers have some light bumping and rubbing. The text pages are clean and bright. The dust jacket has noticeable generalized ground-in dirt and several small edge tears, nicks and tiny chips. The inner hinges have noticeable glue darkening. "Cryptography prior to the modern age was effectively sy... View more info

Image for Masked Dispatches: Cryptograms and Cryptology in American History, 1775-1900 United States Cryptologic History

Masked Dispatches: Cryptograms and Cryptology in American History, 1775-1900 United States Cryptologic History

By: Weber, Ralph E.

Price: $30.00

Publisher: Washington D. C., Center for Cryptologic Histoyr / National Security Agency: 1993

Edition: 1st Edition; 1st Printing

Seller ID: A35073

Condition: Very Good+


B&W Illustrations; This is an oversized paperback book. The book is in Very Good+ condition and was issued without a dust jacket. The book and its contents are in mostly clean, bright condition. There is a bit of light edge wear and bumping / use to the spine ends, corners and edges of the book covers. The text pages are clean and bright. "This is an examination of codes and ciphers as they figured in American history prior to the twentieth century, prior to the ... View more info