A fascinating account of the development and deployment of the electric telegraph, one of the most significant technological advancements of the 19th century. The book provides a detailed description of the principles and mechanics of the telegraph, as well as its impact on communication, commerce, and society as a whole. The book is illustrated with over 100 drawings and diagrams that provide a visual representation of this revolutionary technology. This book is a valuable resource for historians, engineers, and anyone interested in the history of technology. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.