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New phase begins preserving Confederate submarine

Posted May 1st, 2014 @ 3:46pm by AP Photo credit: Christian Carollo Shutterstock Approved

Conservators at a lab in North Charleston are for the first time putting the Confederate submarine H.L. Hunley in a chemical bath designed to remove salts and encrustation from the hull of the hand-cranked sub.

One Hunley scientist says the process is the end of the beginning of the work of conserving the sub, which sank a Union blockade ship off Charleston in 1864.

The Hunley was discovered off the coast in 1995 and raised in 2000.

It will sit in the solution for about three months. Then it will be drained each day as scientists use tools to remove the encrustations. It's expected the entire hull will be cleaned in a year.

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