Yesterday the Royal Commission together with the Robotics Section of the Computer Science Department at Aberystwyth University undertook laser scanning of a former slate-carrying vessel that is eroding out of the steep bank of the River Leri at Ynyslas near Aberystwyth. The vessel is one of three wrecks in the area, all of which were depicted on an Admiralty chart of 1892. They are thought to have been part of the Derwenlas slate-carrying fleet, responsible for transporting slates from the Corris and Aberllefenni quarries. The vessels became redundant following the arrival of the railway, and around 1868 were put to their last useful purpose as markers in the channel.
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