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
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
Statue of Eros (aluminium alloy) prior to restoration
Statue of Eros after laser cleaning and restoration
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
18th century over-lifesized terracotta statue of Neptune, half cleaned (laser)
Terracotta statue of mother/baby during laser cleaning
Gilded cockerel during laser cleaning
Detail of medieval alabaster knight during laser cleaning
Detail of plaster model during laser cleaning; preservation of shellac coating