Dr Louisa Campbell in The Hunterian with the Summerston distance stone from the Antonine Wall
the Summerston distance stone from the Antonine Wall, which was found near Bearsden, was one artefact successfully tested for pigment
Dr Louisa Campbell’s research, which has used x-ray and laser technology to analyse parts of the Roman Empire’s most north-western frontier, showed the wall was once painted with vibrant reds and yellows.