The New Semaphoric Signal Book: In Three Parts: Containing The Marine Telegraph System, With The Appendix, The United States Telegraph Vocabulary, And

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Written by John R. Parker, this book is a comprehensive guide to the marine telegraph system, the United States telegraph vocabulary, and the telegraph signal numbers used by the British and French governments. The book is divided into three parts and includes numerous illustrations to aid in the understanding of the topics covered. This book is a must-have for anyone interested in the history of communication technology.