Difference between revisions of "Submarine telegraph cables"
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Revision as of 01:03, July 17, 2007
Submarine telegraph cables are insulated copper cables laid along the bottom of a sea or ocean for telegraphic communication. The first short cable was laid across the English Channel in 1851. The first successful transatlantic cable was laid in 1866.
Sources
The Earth and Its Peoples A Global History, Bulliet et al, 2005.