Description:
USA: American Cryptogram Association, 1960. 1st . Paper Back. Near Fine/No Jacket. 12mo - over 6¾" - 7¾" tall. 46pp.; SC staple-bound; lt.blue w/blk.; slight rub w/sun on spine; PON? inside cover; clean,tight pgs. "A Series Edited by Members of The American Cryptogram Association" Contents: The Playfair Cipher & The Four Square Cipher.
Digraphic substitution: The Playfair cipher, the four square cipher (Practical cryptanalysis) by Bowers, William Maxwell - 1959
by Bowers, William Maxwell
Digraphic substitution: The Playfair cipher, the four square cipher (Practical cryptanalysis)
by Bowers, William Maxwell
- Used
- Paperback
- first
American Cryptogram Association, 1959. First Edition. 1st Printing. Paperback. Good+. 8vo 7.75 - 9.75'' tall. "Nice Firm copy ! Staples have wear. Large copy. 46 pages. . ISBN: B0007EYV18. Catalogs: Cryptography.
- Bookseller BookScene (US)
- Format/Binding Paperback
- Book Condition Used - Good+
- Edition First Edition. 1st Printing
- Binding Paperback
- Publisher American Cryptogram Association
- Date Published 1959
- Size 8vo 7.75 - 9.75\'\' tall