Université de Fribourg

Old Restorations and New Discoveries in the Nativity Church, Bethlehem

Bacci, Michele

In: Convivium : exchanges and interactions in the arts of medieval Europe, Byzantium, and the Mediterranean, 2015, vol. 2, no. 2, p. 36-59

Since 2010 the Nativity Church in Bethlehem underwent a number of significant restoration works, including the refurbishing of the wooden roof, the consolidation of the Armenian door, and, starting from March 2015, the cleaning and consolidation of the mosaic surfaces. This recent work lead to important discoveries, including the recovery of the figure of an angel which had been hidden under the...

Haute Ecole Arc Conservation-Restauration

Investigation into the potential of low-oxygen and dry/cold storage for freshly excavated iron artifacts

Guggenheimer, Salome

Mémoire de diplôme HES : Haute Ecole Arc Conservation-Restauration, 2006.

Once archaeological iron artifacts are excavated their protective environment is lost. On exposure to the air the objects can dry out and the earthy as well as the corrosion layers become permeable due to the formation of cracks and fissures. Moisture from the air and oxygen get access to the objects. If chlorides are present in the corrosion layers and metallic iron remains in the artifact,...