Author: Matthew Taub / Source: Atlas Obscura
In 1503, on the way back from a violent escapade in India, part of Vasco da Gama’s 4th Portuguese India Armada went down in a storm off the coast of what is now Oman. The wreck was discovered more than 20 years ago, but is now being newly recognized for its exceptional assets.
Guinness World Records, ever the archaeological authority, has now confirmed that the wreck’s astrolabe and bell—retrieved in 2013 and 2014—are the oldest known examples of either nautical device, after research published yesterday in the International Journal of Nautical Archaeology explained the science behind the analysis.Though astrolabes are known from written sources to date to the 6th century—predating da Gama’s Armada by roughly a millenium—few have ultimately survived. “It’s a dream” to recover an astrolabe, especially the oldest ever found, says David L. Mearns, one of the study’s authors and the project director for the wreck’s recovery. The rare artifacts went out of production in the 18th century, he says, and those that were not lost to shipwrecks were likely melted down and repurposed.
Astrolabes are used to measure the altitude of an object with respect to the horizon. With a chart of bright stars, it can be used to calculate latitude,…
The post It’s Official, This Is the Oldest Known Astrolabe in the World appeared first on FeedBox.