panel internal side, reflected light (ca. 79 cm, x 35 cm)
Panel C1 was used as a test panel for a pilot study on paint consolidation by the Fraunhofer Institut für Silicatforschung ISC in 1992. Three different consolidation materials have been used on separate glass pieces within the panel: SZA, Ormocer/Paraloid® B72 1/1 and Paraloid® B72.