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Mysterious 17th-century 'cauldron' may be primitive submarine used to salvage treasure from a sunken galleon | Live Science https://www.livescience.com/archaeology/mysterious-17th-century-cauldron-may-be-primitive-submarine-used-to-salvage-treasure-from-a-sunken-galleon
@tmbrown327 Very cool. So in a way Mel Fisher re-discovered the wrecks. I wouldn't have ever guessed diving bells were used back in 1625.