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Investment casting was invented in 4500–4000 BC in Southeast Asia [1] and carbon dating has established mining at Alderley Edge in Cheshire, UK, at 2280 to 1890 BC. [6] Ötzi the Iceman, a male dated from 3300 to 3200 BC, was found with an axe with a copper head 99.7% pure; high levels of arsenic in his hair suggest his involvement in copper ...
Sullivan, Ann Marie (1 January 2016). "Cultural Heritage & New Media: A Future for the Past". The John Marshall Review of Intellectual Property Law. 15 (3). ISSN 1930-8140. Charola, A. Elena; Koestler, Robert J., eds. (11 September 2019). "Pesticide Mitigation in Museum Collections: Science in Conservation (Proceedings from the MCI Workshop ...
Excavation or removal of any such items also must be done under procedures required by ARPA. Encourages the in situ preservation of archaeological sites, or at least the portions of them that contain burials or other kinds of cultural items. Affects previously acquired artifacts. Continues to be amended; National Register of Historic Places [26]
After treatment with thymol crystals, a solution of 0.5% to 1% of Lysol is used. Other disinfection solution composed of 0.1% of dowicide 1 (ortho-phenylphenol), 68% of ethanol, and 30% of de-ionized water; the solution will be lethal to most bacteria, fungal spores, and surface mildews. [13]
This trend is directly reflected in the increasing application of the scientific method to post-excavation analysis. [3] The first step in post-excavation analysis should be to determine what one is trying to find out and what techniques can be used to provide answers. [4] Techniques chosen will ultimately depend on what type of artifact(s) one ...
The iron pillar of Delhi is an example of the iron extraction and processing methodologies of India.It has withstood corrosion for the last 1600 years. Iron, steel, and ferrous metals constitute a large portion of collections in museums.
[1] Chemical – Depending on an object's chemical composition, conservators can understand how it will react over time. Other chemical reactions are driven by heat, oxygen, light, liquids, additives, and biological attacks. [13] Storage – Improper storage of plastic artifacts can allow contamination and deterioration to occur. This often ...
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.