Title: |
Analysis of non-ferrous metal artefacts from Barrington (Edix Hill) Anglo-Saxon cemetery, Cambridgeshire |
Series: |
Research Department Reports Series
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Volume: |
6666/96
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Number of Pages: |
11 |
Biblio Note |
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Publication Type: |
Monograph (in Series)
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Abstract: |
Quantitative analysis of 26 copper alloy artefacts showed a range of copper alloys were being used. Brasses with small amounts of tin and gunmetals with about 5.4% zinc and 5.5% tin are the most common alloy types. There is little difference between the alloys used for casting and those used for wrought work, nor is there any clear evidence of alloy selection for objects to be gilded. Pairs or sets of artefacts are often of the same alloy type. The gilding on one cast saucer brooch and one applied saucer brooch was shown to be amalgam gilding (fire gilding), with a relatively high level of mercury (up to 20% Hg in one case). This suggests that the gilding was carried out at relatively low temperatures which were just sufficient to give the surface a golden colour. Tinning was also carried out at quite low temperatures which preserved a good tinned surface. |
Author: |
Catherine Mortimer
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Year of Publication: |
1996
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Locations: |
Location - Auto Detected: |
Barrington Edix Hill AngloSaxon cemetery Cambridgeshire |
|
Note: |
Date Of Issue From:
1996
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Source: |
BIAB
(The British & Irish Archaeological Bibliography (BIAB))
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Relations: |
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Created Date: |
21 Jan 2002 |