Greece: Wreck survey fails to find more parts of ancient cog

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New underwater investigations at a rich ancient shipwreck in Greece have uncovered dozens of artefacts, but no more pieces of the most famous item on the ship's cargo — a 2,000-year-old astronomical instrument.

Greece's culture ministry said Wednesday that the May 22-June 11 survey by Greek and U.S. archaeologists off Antikythera island located about 60 metal, stone, pottery and glass objects.

These included a bronze spear, which would have been part of a statue, four fragments of marble statues, and a gold ring.

The 1st century B.C. wreck was found in 1900 and yielded marble and bronze statues, and parts of a complex bronze mechanism that showed the position of the planets and predicted eclipses.

Experts are hoping to find more of its pieces. The modern investigations started in 2012.