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According to Kipper, acid rain can be particularly harmful to bronze sculptures, because the main component is usually sulfides, or sulfuric acid, which can harm patinas and the bronze surfaces causing streaking to occur on the surface. [1] Many different effects can occur on a sculpture due to being in an outdoor environment.
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.
Bronze sculptures: For many bronze sculptures and other metal sculptures, treatment includes a reduction buildup from previous protective coatings, removal of corrosion and incrustation, or cleaning. This may be done by hand, water blasting, air abrasion, or other methods. Then, a wax or wax composite is applied to the sculpture in sweeping ...
On "Antiques Roadshow," we revisited an impressive 1999 appraisal when a woman brought in an original Demetre Chiparus sculpture that her father had purchased for two Canadian dollars 40 years ago.
Antiques restoration, National Museum, Warsaw Antique painting and frame restoration: before and after photo. Restoration can be as simple as light cleaning to remove disfiguring dirt or grime, such as on the surface of a painting, or it may include near complete rebuilding or replacement, as might be the case with old automobiles or furniture.
A conservator-restorer is a professional responsible for the preservation of artistic and cultural artifacts, also known as cultural heritage. [1] Conservators possess the expertise to preserve cultural heritage in a way that retains the integrity of the object, building or site, including its historical significance, context and aesthetic or ...
Lost-wax casting. Lost-wax casting – also called investment casting, precision casting, or cire perdue (French: [siʁ pɛʁdy]; borrowed from French) [1] – is the process by which a duplicate sculpture (often a metal, such as silver, gold, brass, or bronze) is cast from an original sculpture. Intricate works can be achieved by this method.
The conservation and restoration of copper and copper-alloy objects is the preservation and protection of objects of historical and personal value made from copper or copper alloy. When applied to items of cultural heritage, this activity is generally undertaken by a conservator-restorer. Historically, objects made from copper or copper alloy ...
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