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 diplôme HES : Haute Ecole Arc Conservation-Restauration, 2008.
Suite au réchauffement climatique des ces dernières années, de nombreux artefacts archéologiques d’époques historiques et préhistoriques ont été libérés d’un banc de glace sur le col alpin du Schnidejoch (BE). Depuis 2004, le service archéologique du canton de Berne (ADB) surveille la fonte de la glace pour y mener l’étude de ce contexte archéologique inhabituel. Confronté à...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2010.
In the context of our thesis, concluding three Bachelor’s years at the High School of Conservation-Restoration Arc in La Chaux-de-Fonds, we completed a spatial evaluation for the storage of the collections of the Fribourg’s Museum of Art and History. Our placement/training lasted ten weeks, from May to July 2010. A spatial assessment aims to determine the space requirements and storage...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2009.
In the last 20 years, the preventive conservation within the topic of the cultural property protection increased highly in significance. It is dealing with the « outside » factors of the conservation of objects, for example the relative humidity and the temperature, without interfering with the methods of restoration. Thus, the archaeological service of the canton Bern (ADB) possesses an...
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Mémoire de diplôme HES : Haute Ecole Arc Conservation-Restauration, 2010.
The National Natural History Museum (MNHN) of Paris possesses a collection of Egyptian mummified fishes (Nil perchs) returned during the Napoleon Bonaparte's expedition in Egypt, by Etienne Geoffroy Saint-Hilaire. The specimens of this collection are relatively well preserved but two of them are in a state of critical preservation. Their long-term preservation requires the application of a...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2011.
Since the introduction of new legislations concerning lighting in 2009, the light-emitting diode, LED, has represented a new alternative to museum lighting. In this thesis, we investigated the suitability of LED lighting for the imperatives of conservation and museography according to four principal criteria : the thermochimical and photochimical damage potentials, the consequences on health and...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2012.
During excavations on the construction site of the A16 motorway which crosses the county of Jura (Switzerland), many paleontological sites have been unearthed by the Section d’Archéologie et Paléontologie (SAP) of the County Office for Culture (Office Cantonal de la Culture). Six of these sites have yielded tracks of dinosaurs, embedded into the soil 152 million years ago by various sauropods...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2012.
The CLAMTEC3 project is a method of extrem surface qualitatif, and possibly quantitatif, analysis of an unknown alloy composition thanks to corrosion potential versus time measures. It is the following of a first project nammed SPAMT-Test4 conducted by Christian Degrigny and his collaborators of the applied Research and Development section of the Haute Ecole Arc de Conservation-restauration of...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2012.
This work was designed in the context of a collaboration between the HE-arc CR of Neuchâtel, the St-Maurice d’Agaune Abbey and Neuchâtel University regarding the cleaning of the Abbey’s Treasure in the scope of the institution’s 1500th anniversary. My goal was to develop one or more tips for an electrolytic pen intended to be used on tarnished silver items which can’t be cleaned by...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2013.
Built by the house L. Leroy and Co., the constant-pressure clock was installed in the Neuchâtel observatory in 1949 to transmit time. It was turned off in 1962, and neglected for some time. In 2010, the clock was dismantled and brought for safekeeping to the international watchmaking museum of La Chaux-de-Fonds. The six constituents of the Leroy high accuracy clock are : an electromagnet which...
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