18th century over-lifesized terracotta statue of Neptune, half cleaned (laser)
14th-century statues of kings (limestone) during laser cleaning
Silver coin before cleaning
Silver coin after laser cleaning
Detail of Liverpool cenotaph (bronze) before removal of overpaint
Detail of Liverpool cenotaph (bronze) after laser removal of black overpaint
Limestone panel on 12th-century Romanesque frieze during laser cleaning
Detail of 19th-century Chinese basket lid during laser cleaning
Detail showing carved figures on doorway during laser cleaning
Detail showing carved figures on doorway during laser cleaning
Laser removal of pollution layers from sculptural detail (Cologne Cathedral)
Gilded carving (Cologne Cathedral) during laser cleaning
Egyptian ushabti box (gesso on wood) before cleaning
Egyptian ushabti box after laser cleaning
Statue of Eros (aluminium alloy) before restoration
Statue of Eros after laser cleaning and restoration
Grass basket from Malawi, Africa, during laser cleaning
Detail of limestone carving on exterior of St George's Hall before cleaning
Detail of limestone carving on exterior of St George's Hall after laser cleaning
Terracotta & stoneware figures on pediment during laser cleaning
Terracotta statue of mother & baby during laser cleaning
Plaster model for bronze war memorial during laser cleaning
Gilded cockerel during laser cleaning
Detail of medieval alabaster knight during laser cleaning