Scientists crack 443-year-old shipwreck lock's code using CT scans

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Researchers used micro-CT scans to decode a brass combination lock recovered from a 1583 shipwreck off the coast of Wales. The lock’s four-letter combination was revealed as “ANCE,” and the vessel is believed to be the Ann Francis, which sank during a storm while returning from Spain.

A fascinating shipwreck dating back to 1583 was discovered off the coast of Wales, revealing a brass combination lock that had remained sealed for centuries. Researchers utilized advanced micro-CT scanning to unveil its four-letter combination, ANCE, preserving its condition. This lock is linked to the Ann Francis, a vessel that tragically sank during a storm while returning from Spain.