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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: Navigating conservation strategies: linking material research on alum-treated wood from the Oseberg collection to conservation decisions

Fig. 7

Collapsed areas of wood, formed during treatment, are visible in this computer tomographic image taken of the Saddle. The red squares show two collapsed areas. Alum salts and the linseed oil have penetrated minimally (A + L), while the varnish is the bright layer on the surface. Fill material (F) and screws originate from restoration after conservation. Acquired by Jan Bill and Sentrum Røntgeninstitutt AS

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