How to Write Codes and Send Secret Messages
Author | : John Peterson |
Publisher | : |
Total Pages | : 64 |
Release | : 1968 |
ISBN-10 | : OCLC:54105763 |
ISBN-13 | : |
Rating | : 4/5 ( Downloads) |
Book Synopsis How to Write Codes and Send Secret Messages by : John Peterson
Download or read book How to Write Codes and Send Secret Messages written by John Peterson and published by . This book was released on 1968 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains how to write and decipher space codes, hidden word codes, and alphabet codes and gives formulas for invisible ink. Includes suggestions for delivering coded messages.