camp duty calls and signals used in the army and navy. Elias Howe offers an essential resource for military historians...... more

Originally published in 1906, "Block and Interlocking Signals" provides a comprehensive analysis of the mechanical...... more

This memoir by William Stockell recounts his adventures as a sailor and whaler during the late 18th ... more

This illuminating book details the causes and effects of railway accidents in the late 19th century.... more

maritime signals in the merchant service. With detailed illustrations and instructions, this book is an invaluable resource for...... more

operation and signaling. From general rules and definitions to specific instructions for train orders and signals, this...... more

maritime signals in the merchant service. With detailed illustrations and instructions, this book is an invaluable resource for...... more

operation and signaling. From general rules and definitions to specific instructions for train orders and signals, this...... more

From the most basic signals to the most complex, Sir Home Riggs Popham’s Telegraphic Signals provides a comprehensive...... more

A technical reference book on the subject of railroad signaling, including information on mechanical, electrical, and...... more

This technical reference book from the Johnson Railroad Signal Company is a treasure trove of information for rail...... more

Bureau of Naval Personnel provide a comprehensive list of signals, codes, and abbreviations used by the U.S. Navy, as well as...... more

A comprehensive guide to the principles and practices of military signalling, covering everything from basic semaphore...... more

This book presents a groundbreaking system of color signals for communication that can represent an incredible 46,656...... more

This official manual provides detailed information on the organization and equipment of the Telegraph Battalion Signal...... more

equipment of the Field Battalion Signal Corps. An essential reference for military historians and researchers. This work has...... more

George Wheeler. Signal Fires is a fascinating firsthand account of this expedition, as told by two of its members: Lieutenant...... more

Get ready for tales of adventure and courage in this collection of stories about railroad dispatcher... more

This book provides a fascinating look at early submarine signaling technology. It covers the history of the Boston...... more

In this fascinating historical account, the United States Army Signal Corps provides a detailed report on the...... more

First published in 1868, this guide to naval signals is a fascinating look at the communication methods used by sailors...... more

This scholarly journal covers the history, theory, and practice of railway signal systems, including articles on new...... more

communication. The American Signal Book provides a detailed vocabulary of telegraph signals, including the use of semaphores, flags...... more

The Mercantile Navy List and Annual Appendage to the Commercial Code of Signals for all Nations was a directory of...... more

wealth of information about the club’s constitution, membership roll, fleet, yacht routine, signal code, and more. This work...... more

information on telephone and telegraph networks, as well as municipal electric fire-alarm and police patrol signaling systems, in...... more

An informative guide to the technical equipment used by the signal corps in 1916, this book offers a fascinating...... more

This illuminating book details the causes and effects of railway accidents in the late 19th century.... more

Originally published in 1906, "Block and Interlocking Signals" provides a comprehensive analysis of the mechanical...... more

This memoir by William Stockell recounts his adventures as a sailor and whaler during the late 18th ... more

This book is a comprehensive guide to modern methods of railway signaling. It covers the principles of operation and...... more

A comprehensive guide to the standards and specifications of railway signal operations. This manual provides valuable...... more

This journal provides readers with valuable insights into the latest developments in railway signaling technology. It...... more

This practical manual provides a thorough guide to the operation of block signals in railroad systems. The author...... more

A comprehensive guide to the principles and practices of military signalling, covering everything from basic semaphore...... more

This book presents a groundbreaking system of color signals for communication that can represent an incredible 46,656...... more

Discover the stories of the forgotten heroes, sages, and statesmen who risked everything to secure A... more

This official manual provides detailed information on the organization and equipment of the Telegraph Battalion Signal...... more

equipment of the Field Battalion Signal Corps. An essential reference for military historians and researchers. This work has...... more

George Wheeler. Signal Fires is a fascinating firsthand account of this expedition, as told by two of its members: Lieutenant...... more

Get ready for tales of adventure and courage in this collection of stories about railroad dispatcher... more

This is an authoritative guide to the techniques, equipment, and principles of photography. The book... more

Signals of Distress in Refuges and Homes of Charity is a powerful and insightful work of social criticism. Jerrold...... more

This book is a comprehensive guide to the signaling and communication systems used in railways. It covers everything...... more

This collection of professional papers, compiled by the United States Army Signal Corps, examines the absorption of...... more

A comprehensive guide for officers and personnel involved with searchlights, featuring detailed inst... more

navigation rules and signals, this manual is an essential resource for anyone who loves spending time on the water. This work has...... more

Originally published in 1919, this catalogue provides detailed information on the storage of army su... more

This comprehensive guide to nautical astronomy covers a wide range of topics, including latitude, lo... more

This book contains a collection of professional papers by the United States Army Signal Corps on meteorological and...... more

This publication provides a comprehensive guide to the lights and fog signals on the coasts of Europe and Africa, as...... more

Discover the stories of the forgotten heroes, sages, and statesmen who risked everything to secure A... more

This book is a fascinating historical guide to the technology and techniques of early electrical tel... more

This technical manual provides a detailed explanation of the marine telegraph system and the semaphore signals used by...... more

A collection of articles and papers related to the field of railway signaling, including technical information and...... more

For anyone interested in military history, this guide to American signals and drum calls is a must-read. The...... more

A quarterly journal published by the Railway Signal Association focusing on topics related to railway signaling systems...... more

Get an insider’s view of the railway industry with the Journal, a publication by the Railway Signal Association. Each...... more

The official publication of the Railway Signal Association, this journal provides in-depth coverage of issues and...... more

U.S. Signal Corps. With detailed technical information and historical context, it is an important reference work for...... more