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Hellenistic silver medallion, partly gilt, Miletopoli, 2nd–1st centuries BC, after conservation, Antikensammlung Berlin. Archaeological silver objects are particularly sensitive to mistakes in planning or carrying out conservation restoration. The essential problem connected with archaeological silver objects is brittleness. [23]
Derveni krater, bronze, 350 BC, height: 90.5 cm (35 1 ⁄ 2 in.), Inv. B1, Archaeological Museum of Thessaloniki, after cleaning and conservation. Conservation and restoration of metals is the activity devoted to the protection and preservation of historical (religious, artistic, technical and ethnographic) and archaeological objects made partly or entirely of metal.
Intentional vandalism occurs when visitors know that there is an archaeological site and still choose to deface it in some way. Unintentional vandalism happens when the visitor vandalizes while not realizing they are at an archaeological site, such as accidents. To protect an archaeological site from vandalism requires a combination of techniques.
In 2019, X-ray imaging revealed the presence of an inscription on the inside of the silver foil. The thin, fragile foil could not be unrolled physically, so it was scanned via computed tomography by the Leibniz Center for Archaeology and Goethe University Frankfurt. A 3D model of the foil was created, [3] enabling virtual unrolling. [11] [8] [12]
The conservation and restoration of cultural property focuses on protection and care of cultural property (tangible cultural heritage), including artworks, architecture, archaeology, and museum collections. [1] Conservation activities include preventive conservation, examination, documentation, research, treatment, and education. [2]
Water causes damage and results from natural occurrences, technological hazards, or mechanical failures. Many cases of water damage can be traced to accidents or neglect. "A great many of the materials that museum objects are made of are highly susceptible to contact with water and can be severely damaged by even brief contact, while others may be exposed to water for longer periods without harm.
On Traprain Law, it seems the silver was valued as a raw material. Crucibles from the site show traces of silver working. [25] Finds from the hill include a massive silver chain, [26] probably made from reused Roman silver. Such Roman silver is argued to be the raw material for silver jewellery in the early Medieval period. [27] [28]
The sixty silver leaves that were found crumbled and damaged in a depository of the Delphic Sanctuary, after long and detailed conservation work, managed to revive, even if only in our imagination, the silver bull statue. The shape of the statue was created by a wooden core, which was filled with some malleable material: clay, wax or plaster.