Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2017.
Ancient varnishes on copper alloys are part of the patrimonial collections. They are applied to protect the metal against corrosion but also to enhance the yellow colour in order to imitate gold. We find this technology in the areas of decorative bronze objects, horology and scientific-technical objects. In order to preserve this surface treatment, the conservator-restorer faces difficulties in...
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Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2021.
The Collections Centre of the Swiss National Museum, located in Affoltern-am-Albis, in the canton of Zurich, conserves a projection and enlargement lantern designed by a well-known local company selling projection and photography equipment. This device, dated from the early 20th century, has the particularity of having its lantern made of blued steel. This surface treatment offering both...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2017.
The aim of this Bachelor's thesis was to understand the limits of the XRF for the detection of a tin coat on a corroded iron artefact when an iron oxides layer covers the coating. We focused on the influence of the iron oxides’ layer by listing the significant parameters and observing them separately trough experiments. The research was mainly focused on the iron oxides’ thickness that would...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2021.
In December 2020, the Olympic Foundation for Culture and Heritage received the "Butterfly" costume as a donation. Worn at the Opening Ceremony of the Atlanta Olympic Games in 1996, the costume was designed by Peter Minshall, a Trinidadian artist known for his Carnival costumes. The "Butterfly" costume, consisting of a pair of wings with a length of about 4 meters and accessories, was kept in...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2017.
This thesis discusses the conditioning and packaging of hammocks under both the practical and theoretical angles. The History Museum of Bern (Musée d'Histoire de Berne) possesses, in its ethnological collection, nine South American hammocks, interesting because of the diversity of their shapes, their sizes, the materials and techniques used to make them and their uses and condition. These...
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Mémoire de bachelor : Haute Ecole Arc Conservation-Restauration, 2014.
The contamination of natural history collections by pesticides is well known. They represent a large array of organic and inorganic products. Used as repellents or insecticides, they create a public health problem for the museum personnel and the visitors. We have chosen to carry out a study on the contamination of the mammal and bird collection of the Natural History Museum of Neuchâtel by...
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Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2018.
Archaeological textiles that were carbonised prior to their burial often survived to the present days. They are particularly friable and in recent years research has focused on the combination of consolidants and lubricants for their freeze-drying treatment. For this master thesis, consolidation tests were carried out on wet charred archaeological samples from the late medieval archaeological...
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Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2018.
The Bernisches Historisches Museum preserves a collection of 5 Inuit parkas made of proteinaceous membranes. Their places of origin lie in Greenland, Alaska and the Bering Strait, and they were collected between 1778 and 1968. Known for their fur clothing, the Inuit material culture also comprise clothing and implements made of proteinaceous membranes. The intestinal and esophageal membranes,...
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Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2019.
As an integral part of the collections of the scientific, technical and horological heritage museums, objects such as the chrono-comparator Greiner Chronografic around which this document is focused, and which include a large electrical part, remain a rather neglected portion of the current museum heritage. It is therefore recognized that it is important to take care of these objects but...
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Mémoire de master : Haute Ecole Arc Conservation-Restauration, 2020.
This master thesis focuses on the study of a flameworked glass diorama depicting the Piazza San Marco in Venice on a carnival day from a historical and technological standpoint. It also presents the preservation and treatment applied to the object. The diorama is preserved at the Villa Abegg, home of the couple who created the Abegg Foundation. The historical study showed that the object had been...
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