Publisher's Synopsis
This book is a guide to the Robinson telegraphic cipher, a code system used to transmit secret information over telegraph wires. The code is based on a set of numbered words and phrases, and can be customized to suit the needs of different users. If you're interested in cryptography or the history of communication technology, this book is a must-read.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.
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