Tag Archive: Marine Archaeology

This medieval astrolabe is officially world’s oldest known such instrument

A mariner’s astrolabe recovered from the wreck of one of Portuguese explorer Vasco da Gama’s ships is now officially the oldest known such artifact, according to a new paper in the International Journal of Nautical Archaeology. The device is even going into the Guinness Book of World Records, along with the ship’s bell, now that the age of…

Acoustic Imaging Reveals Lost Medieval Town

Off the coast of the Dunwich in Suffolk lies half a medieval town long abandoned to the sea. Despite many diver and sonar surveys, details of the site have been hidden due to poor visibility. In June 2010, however, acoustic imaging technology was introduced to complete an archaeological survey of the site. The site of…