The Down to the Ground Project and Database of Coloured Grounds
Moorea Hall-Aquitania and Paul J.C. van Laar
Cover image: Cross-section (A330-1, 200x magnification, dark field) from Abraham Bloemaert, Landscape with Rest on the Flight to Egypt, 1605–1610, oil on canvas, 113.2 x 160.9 cm. Centraal Museum, Utrecht, inv. no. 5570. Photographed by Moorea Hall-Aquitania. Right-hand side is a schematic representation of the ground colors using the DttG color system (see Figure 2.4).