American Signal Book, Or, The United States Telegraph Vocabulary: Being An Appendix To Elford's Marine Telegraph Signal Book ... Adapted To The Use Of

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This book is an essential reference guide for sailors, telegraph operators, and anyone interested in maritime communication. The American Signal Book provides a detailed vocabulary of telegraph signals, including the use of semaphores, flags, and lights. This edition also includes a specific section on the Boston Harbor signal book. With clear language and concise diagrams, this book is an invaluable resource for anyone navigating the sea.