Years of cleaning reveal gears, cranks ... and a tooth
(Newser) -
When it was raised in 2000, the HL Hunley looked a bit like the Flying Dutchman . Encrusted in a rock-hard layer of sand and shell, the hand-powered Civil War submarine that slumbered off Charleston, SC, for almost 140 years had to be painstakingly soaked and cleaned . But after three years...