This site requires cookies for account access and purchasing. It looks like cookies are disabled in your browser. To find out more about our cookie usage policy click here then to find out about changing your browser cookie settings click here (This link opens in a window).

This site requires cookies for account access and purchasing. You can review our use of cookies in our Cookie Policy, or Accept and Close this bar now.

This site requires cookies for account access and purchasing. It looks like cookies are disabled in your browser. To find out more about our cookie usage policy click here then to find out about changing your browser cookie settings click here (This link opens in a window).

This site requires cookies for account access and purchasing. You can review our use of cookies in our Cookie Policy, or Accept and Close this bar now.

Gem Codes And Ciphers

Gem Codes And Ciphers
Covering the history of the development of codes and ciphers, this book also has practical information and advice on how to make codes and how to break them. Topics covered are: Native American smoke signals, Masonic signals and semaphore; morse code, Braille, ASCII computer language; letter substitution - mono- and poly-alphabetic; and more.
Our Price: €7.60
ISBN/EAN9780007228041
Stock: 0
Publisher: HarperCollins Publishers
Pub. Date: August 7 2006
Author: COLLINS UK
Format: Paperback
Save wishlist

This title provides all you need to know about making and breaking codes. "Gem Codes and Ciphers" touches on everything from the smoke signals used by Native American Indians to encryption devices used by government agencies and the military. Not only does this handy, pocket-sized book cover the history of the development of codes and ciphers, it also has practical information and advice on how to make codes and, more importantly, how to break them! Topics covered are: Native American smoke signals, Masonic signals, flags, and semaphore; morse code, Braille, ASCII computer language; letter substitution - mono- and poly-alphabetic; computer algorithms; codes and ciphers throughout history; and development of code-breaking devices, such as the Enigma machine.
No recommended products at the moment.
No recommended products at the moment.