1860s sub's hull restored
By Associated Press in North Charleston, South Carolina | China Daily | Updated: 2015-09-19 08:03
Why the vessel sank with crew remains mystery
The hull of the first submarine in history to sink an enemy warship has been cleaned and revealed for the first time in 150 years.
After a year of painstaking work, scientists using small chisels and hand tools have removed encrusted sand, sediment and rust from the outside of the hand-cranked Confederate submarine H.L. Hunley.
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