1. J.R.J. van Asperen de Boer at work with his camera with an infra-red
vidicon examining a painting in the Stiftsmuseum, Aschaffenburg, in
1992. (Photograph Peter van den Brink).
Article
The Art of Conservation XV. The conservation history of the Ghent Altarpiece
7. The Virgin Annunciate and Angel musicians (recto and verso of the same panel), by Hubert and Jan van Eyck. Photographs taken in Berlin before the restoration of 1894. Original hinges are present on the left side of the frame of the Virgin’s panel. Metal reinforcements were added to the extremities of the crossbar. Later, wrought metal hinged braces were attached by large screws fitted through the frame and visible on the front of the Angels panel. (Deutsches Dokumentationszentrum für Kunstgeschichte – Bildarchiv Foto Marburg).
Attributed works:
8. The prophet Micah, detail of Fig.4, shown in the frame designed by Karl Friedrich Schinkel with a hatch covering the inscription beneath the prophet. Photograph, before 1878. (RKD, Netherlands Institute for Art History, M.J. Friedländer Archive, The Hague).
10. Jef Van der Veken in his studio in Brussels. Photograph, before 1929. (RKD, Netherlands Institute for Art History, Jef Van der Veken Archive, The Hague).