CSU-Carig
Phalen, William J.,
How the telegraph changed the world [electronic resource] / - one online resource, 221 pages : illustrations ;
"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 four decades later"--
9780786494453
Telegraph -- Social aspects -- History -- 19th century
Telegraph-- Economic aspects -- History -- 19th century
Telegraph-- United States -- History -- 19th century
384.109034
How the telegraph changed the world [electronic resource] / - one online resource, 221 pages : illustrations ;
"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 four decades later"--
9780786494453
Telegraph -- Social aspects -- History -- 19th century
Telegraph-- Economic aspects -- History -- 19th century
Telegraph-- United States -- History -- 19th century
384.109034