This technical manual provides a detailed explanation of the marine telegraph system and the semaphore signals used by ships to communicate with one another. It includes a comprehensive lexicon of telegraph vocabulary and appendixes on specific signal books.
John R. Parker Livres


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.