Originally published 10/02/2014
After soaking for three months in 55,000 gallons of sodium hydroxide to loosen the sand, sediment and rust that comprises the concretion, conservators began carefully probing the outside of the hull in early August.
Originally published 03/22/2013
The exciting discovery of a damaged copper sleeve at one end of the spar on the Confederate submarine H.L. Hunley has overturned conventional wisdom about how the vessel became the first submarine to sink an enemy vessel in combat. The new information was revealed at a Jan. 28 press conference at the Warren Lasch Conservation Lab where the recovered submarine is being conserved....
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