Fig. 1From: The identification, approaches to cleaning and removal of a lead-rich salt crust from the surface of an 18th century oil paintingVision of St. Lutgard of Tongeren. 1700–1799. Oil on canvas. 79.0 cm × 63.0 cm. Catharijneconvent Museum, Utrecht. Before treatment. Left—verso; Right—RectoBack to article page