Academic thesis
| Jana Hildebrandt: | Back | |
| Language: | Original - Translation | |
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| Abstract: | In 1994 enamelled glass fragments of a broad cylindrical beaker were found during an excavation in the historic town centre of Halberstadt. The beaker, in German „Humpen“, is decorated with miners performing their typical work. Near the rim an inscription is found beneath an ornamentation of gold and beaded enamel dots. The Humpen dates from 1579. Straight after the excavation, a restoration of the heavily corroded fragments was carried out under difficult conditions. All fragments were consolidated with a Poly(n-butyl methacrylate) coating and repaired with an UV-adhesive. Caused by displaced joints and unsuitably used restoration materials, the object‘s sight is not quite pleasing. The visual examination of the beaker was only arranged in 2013 when concerns occurred that the enamel decoration was in danger to become increasingly detached. Additionally it was feared that the stability of the glass was affected through large missing areas in the vessel‘s wall. In this thesis the examination of the beaker‘s materials and techniques is carried out for the first time. To be able to put the Humpen in a historical-cultural context, accompanying research is implemented. In preparation for the planning of conservation and restoration treatments, the object assessment as well as the observation concerning the composition and properties of the restoration materials was carried out. As it proved not possible to remove these materials without causing damage to the glass and decoration, no aesthetically motivated treatments can be executed at the Humpen. Hence the treatment conception of this thesis is mainly concerned with the feasibility of creating a safe and fit-for-exhibition state of the object. Furthermore the possibility is reviewed whether missing areas of glass can be stabilised with cast Paraloid™ sheets. |
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