Shaffner's Telegraph Companion

This book is a comprehensive guide to the science and art of telegraphy, with a focus on the Morse American telegraph system. It covers the history of telegraphy, the principles of electrical communication, the construction and operation of telegraph lines and instruments, and telegraph codes and abbreviations. It also features practical advice for telegraph operators and enthusiasts.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
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