Scan barcode
96 pages • first pub 1972 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
Explains in simple terms how to encode and decode messages in various ciphers, describes coding machines, and gives formulas for invisible ink.
Community Reviews Summary of 2 ratings
Average rating
Content Warnings
This book doesn't have any content warnings yet!
If you're the author of this book and want to add author-approved content warnings, please email us at [email protected] to request the content warning form.
96 pages • first pub 1972 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
Explains in simple terms how to encode and decode messages in various ciphers, describes coding machines, and gives formulas for invisible ink.
Community Reviews Summary of 2 ratings
Average rating
Content Warnings
This book doesn't have any content warnings yet!
If you're the author of this book and want to add author-approved content warnings, please email us at [email protected] to request the content warning form.