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...
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Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2014.
The garbage heap of the legionary camp of Vindonissa in the Canton of Aargau is well known for the leather finds it has produced. These leather objects were conserved, starting in 1941, by August Gansser and were mounted on 487 carton frames. By the 50's, he developed different methods of conservation and kept record of his activities in handwritten notebooks. The most commonly employed method...
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Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2012.
The present work deals with this delicate and often ignored problem. This work has been realized with the purpose of giving museums protocols of behaviour allowing for an ideal reaction in the presence of radioactive substances and to avoid any incident. The four following questions are treated: · What radioactive objects are potentially found in a museum and how can one identify them? · What...
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Mémoire de diplôme HES : Haute Ecole Arc Conservation-Restauration, 2006.
The aim of this work was to carry out a field study on the appplication of conservation in a state scientific institution (but not a museum) containing a rich scientific heritage. The exercise was organised in such a way that it could be carried out on the site of the Besançon Observatory. The setting up of such a project had to begin with an organisational phase of a special type, since the...
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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,...
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Mémoire de diplôme HES : Haute Ecole Arc Conservation-Restauration, 2007.
Laser cleaning has been successfully used on a wide range of materials for over 30 years. Laser cleaning of metals, however, has received relatively little attention within the conservation field during that time. Copper alloy outdoor monuments strongly suffer from the effects of the polluted environment to which they are exposed in all urban and industrial areas in the world and there is a...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2008.
This paper aims to carry a survey of the actual practices in the management and conservation of archaeological finds in the cantons of Switzerland and questions the position of preventive conservation in the archaeological process. It puts into perspective a theoretical approach of preventive conservation in archaeology, the point of view and experience of practitioners belonging to the world of...
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Mémoire de diplôme HES : Haute Ecole Arc Conservation-Restauration, 2008.
The diploma thesis treats the volatile binding media cyclododecane and its use in conservation- restoration. The dissertation is based on preceding research and specifically treats the most characteristic property of the product: its ability to sublime. Cyclododecane is an industrial product, which was introduced in conservation-restoration in the middle of the nineteen nineties. This was due to...
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Mémoire de diplôme HES : Haute Ecole Arc Conservation-Restauration, 2008.
The invention of gunpowder in the 14th century make possible the emergence of firearms. The mechanical power used by the arc of Antiquity and the crossbow of the Middle Ages was replaced by the gas produced by the explosion of a flammable powder. The technical improvement of the firing system occupied humans during four centuries. Then, the discovery of the chemical powder permit major...
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Mémoire de Certificate of Advanced Studies (CAS) : Université de Fribourg, 2015.
Die sich abzeichnende Verknappung der Lagerkapazitäten in der Bibliothek des Bun- desgerichts wirft die Frage auf, ob ihr mit einer Aussonderung des historischen Altbe- standes beizukommen wäre. Die Problemstellung dreht sich dabei um das Thema, wie mit einer historischen Sammlung umzugehen sei, für die zwar kein gesetzlicher Samm- lungsauftrag besteht, jedoch eine interne Mission zur...
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