Restoration a picture in progress
Bartholomeus van der Helst (c. 1613-1670), The Governors of the Amsterdam Longbow Civic Guard House, 1653. Oil on canvas, 183 x 268 cm. Amsterdam Museum, inv.no. SB 7329. Image before treatment
Image in ultraviolet light, showing old retouches (dark areas)
X-ray image, showing damaged areas
Infrared Reflectography (IR), showing underlayers of the painting
IR image, detail
Detail showing overpainted area
Detail showing overpainted area
Old cracks and overpainting
Image during varnish removal
Varnish removal
Area after varnish removal (right hand side)
Detail during varnish removal
Detail during varnish removal
Removing old fillings
Image of the ‘stripped state’ – old varnish and retouchings removed
Image after filling
After Bartholomeus van der Helst, Small-scale copy after the painting, 1653. Oil on canvas, 49 x 68 cm. Paris, MusĂŠe du Louvre, inv.no. 1332
Jacob Colijns (1614-1686), Copies after the painting in, 1653. Water colour in black, brown and grey, oil in white, black chalk, c. 235 x 350 mm. London, British Library, Ms. Egerton 983, fols 3 and 4
Attributed to Jacob Colijns (1614-1686); Copy after the painting, with enlarged setting, c. 1653. Water colour in black and grey, oil in white, black chalk, 281 x 439mm. Amsterdam, Rijksmuseum, inv.no. RP-T-1947-4
Jacob Colijns (1614-1686), Copy after the painting in the Family Album of Frans Banninck Cock, c. 1653. Water colour. Amsterdam, Rijksmuseum, inv.no. C 1102 (loan private collection)
Julius Quinkhard (1736-1776); Copy after the small-scale Louvre copy. Black and red chalk, 517 x 707 mm. Amsterdam, Rijksmuseum, inv.no. RP-T-1950-441
PHOTO CREDITS 2 t/m 5: Amsterdam Museum 6 t/m 10 en 15 t/m 21, 23: Erika Smeenk-Metz 22: Niels den Haan 11 t/m 14: Norbert Middelkoop