Direct Service Guide Book and Telegraphic Cipher (Classic Reprint) - Couverture souple

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9780428073374: Direct Service Guide Book and Telegraphic Cipher (Classic Reprint)

Synopsis

Direct Service Guide Book and Telegraphic Cipher: A Practical Reference Learn how telegraphic cipher works and how to apply it in business communications with clear, example-driven guidance.

This reference compiles procedures for finding local and central offices, sending secure inquiries, and using cipher systems for dollars, dates, and serial numbers. It offers step-by-step explanations and sample formats to help readers understand how this historic cipher method supported efficient credit reporting and data exchange.


  • How to locate local and central offices quickly using reference books

  • How to format telegraphic inquiries and classify numbers with cipher letters

  • Guidelines for handling dates, dollars, and subscriber data in messages

  • Illustrative examples that show practical use in real-world banking and credit reporting



Ideal for researchers, historians, or readers interested in old business practices and secured communication methods.

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Autres éditions populaires du même titre

9780428535155: Direct Service Guide Book and Telegraphic Cipher (Classic Reprint)

Edition présentée

ISBN 10 :  0428535151 ISBN 13 :  9780428535155
Editeur : Forgotten Books, 2018
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