She was one of the most powerfully-armed ships in the world, built for the Swedish king Gustav Adolf’s wars in Europe, but on her maiden voyage in 1628 she capsized and sank. But after more than 300 years underwater she was located, and raised in 1961, and put on display. Her timbers had been wonderfully well preserved through the heavily polluted Stockholm harbour water, and she is the subject of much study – as the Vasa Museum’s research director, Dr Fred Hocker, explains.
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