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Restoration of the base of Pedro de Cordoba's painting Madonna with Angels Making Music, 14th century. Head of the laboratory: I.B. Permiakov The storage and restoration of works painted on a wooden base requires the solution of a number of serious problems. One of these is the restoration of panels where the boards have come apart at the joints, cracked or warped. The panel of Pedro de Cordoba's Madonna with Angels Making Music that was restored in the Laboratory for the Scientific Restoration of Tempera Paintings in 2006 was badly damaged. The three boards making up the panel of the painting had become deformed and were each attached separately to a sheet of plywood. The reverse of the panel bore traces of cross-ribs once attached to the surface as additional fixation of the boards; with changes in the temperature and humidity in the painting's environment it was probably these ribs that caused the boards to crack and part at the joints. The ribs were removed at some later date. The mismatch of the original painting (shifted 5 mm) at the junction of the central and right-hand panels indicated that the panel had already undergone repairs previously. The face of the Christ-Child in the lower part of the painting was badly distorted because of a crack in the wood that was at some date reprimed and covered with later overpainting. After the boards were glued back together, the cracks were filled with a paste made of glue and sawdust. Distortions of the original painting were eliminated. |
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