"Invented in the 1830's, the telegraph soon became indispensable. By 1851 there were more than 50 companies providing telegraphic service in the United States alone. This book describes the global impact of the telegraph from its advent to its eventual eclipse by the telephone f…
« Invented in the 1830's, the telegraph soon became indispensable. By 1851 there were more than 50 companies providing telegraphic service in the United States alone. This book describes the global impact of the telegraph from its advent to its eventual eclipse by the telephone …
"Invented in the 1830's, the telegraph soon became indispensable. By 1851 there were more than 50 companies providing telegraphic service in the United States alone. This book describes the global impact of the telegraph from its advent to its eventual eclipse by the telephone f…
The telegraph played a pivotal role in warfare beginning with the American Civil War. This book describes the global impact of the telegraph from its advent to its eventual eclipse by the telephone four decades later. "Invented in the 1830's, the telegraph soon became indispens…