How the telegraph changed the world [electronic resource] /
by Phalen, William J.,
Physical details: one online resource, 221 pages : illustrations ; ISBN: 9780786494453.Item type | Location | Collection | Call number | Status | Date due | Barcode |
---|---|---|---|---|---|---|
Electronic Books | E-Resource Section | E-Books | 384.109034 (Browse shelf) | Available |
"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"--
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