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 Book order


- 2023
- 2023
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.