Laurence d smith (38 Ergebnisse)

Paperback. Zustand: Good. Those who delight in puzzles can find much to ponder here. -- Science News LetterWill be well received by anyone really interested in the subject. -- Scientific Book Club ReviewReaders interested in secret writing will find this book an excellent elementary explanation of transposition and substitution ciphers, codes, and their solutions. More than 150 problems provide practical application as well as tests of skill and ingenuity.After a brief description of the history of secret writing, the reader is introduced to fundamental principles of ciphers -- transposition and substitution -- and given an understanding of the various methods of enciphering and deciphering secret messages. The author covers geometrical patterns, route transcription, columnar transposition, and other methods used in transposition; under substitution, he treats mixed cipher systems, single-alphabet and polyalphabetical substitution, mechanical devices, the Vigenere system, etc. A discussion of cryptanalysis leads the reader into 151 problems for which answers are provided at the end. Appendixes offer notes on enciphering Japanese; and explanation of the Baconian Biliteral Cipher; frequency tables for English, French, German, Italian, and Spanish.…

Paperback. Zustand: Very Good. Those who delight in puzzles can find much to ponder here. -- Science News LetterWill be well received by anyone really interested in the subject. -- Scientific Book Club ReviewReaders interested in secret writing will find this book an excellent elementary explanation of transposition and substitution ciphers, codes, and their solutions. More than 150 problems provide practical application as well as tests of skill and ingenuity.After a brief description of the history of secret writing, the reader is introduced to fundamental principles of ciphers -- transposition and substitution -- and given an understanding of the various methods of enciphering and deciphering secret messages. The author covers geometrical patterns, route transcription, columnar transposition, and other methods used in transposition; under substitution, he treats mixed cipher systems, single-alphabet and polyalphabetical substitution, mechanical devices, the Vigenere system, etc. A discussion of cryptanalysis leads the reader into 151 problems for which answers are provided at the end. Appendixes offer notes on enciphering Japanese; and explanation of the Baconian Biliteral Cipher; frequency tables for English, French, German, Italian, and Spanish.…

Zustand: Acceptable. Item in acceptable condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.

Paperback. Zustand: Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Zustand: Fair. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Zustand: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Zustand: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Zustand: Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains.

Paperback. Zustand: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.

Paperback. Zustand: As New. No Jacket. Pages are clean and are not marred by notes or folds of any kind. ~ ThriftBooks: Read More, Spend Less.

Paperback. Zustand: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Paperback. Zustand: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Paperback. Zustand: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.

Zustand: Very Good. Former library copy. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Zustand: very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages.

Hardcover. Zustand: Good. Hardcover. No DJ. Pages are clean and unmarked. Covers show light edge wear with rubbing/light scuffing. Binding is tight, hinges strong.; 100% Satisfaction Guaranteed! Ships same or next business day.

Hardcover. Zustand: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.

Zustand: Good. 1955. First Edition Thus. 164 pages. Paperback book with pictorial cover. Contains ex-libris plate. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Overall a good condition item. Paper cover has mild edge wear with light rubbing and creasing. Some light marking and tanning.…

Paperback. Zustand: Brand New. 164 pages. 8.00x5.50x0.25 inches. In Stock.

Zustand: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Hardcover. Zustand: Very Good. Zustand des Schutzumschlags: Very Good. 1st Edition. In crisp bright and clean internal order. Smart blue boards with bright gilt titling to spine. Unclipped d/j lightly worn and a little faded. 8vo. 165pp.

Paperback. Zustand: Brand New. 144 pages. 10.00x7.00x0.36 inches. In Stock.

Zustand: New. Idioma/Language: Español. ISBN: 9788433010063 Colección: BIBLIOTECA DE PSICOLOGÍA Edición: 1ª Páginas: 348 Formato: 21x15 cm. Encuadernación: Rústica Precio sin IVA: 25,00 ¤ Precio con IVA: 26,00 ¤ *** Nota: Los envíos a España peninsular, Baleares y Canarias se realizan a través de mensajería urgente. No aceptamos pedidos con destino a Ceuta y Melilla.…

Zustand: New. pp. 136.

Zustand: New. In English.

Soft cover. Zustand: Fine-. Rerpint, 1st-1986. Glossy card cover. xi+398; near pristine but very slight outer corner rubbing to covers. Focuses on Tolman, Hull and Skinner. Essential reading for anyone needing to get up to speed on this central theoretical topos in 20th century psychology. Apparently scarce in UK. …

Hardback. Zustand: Good.

Zustand: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Hardcover. Zustand: Good. Cover shows minor wear and rubbing, no dj. Description fron dj flap affixed to the front pastedown. Pages are tanned and clean.

Taschenbuch. Zustand: Neu. Neuware.