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Heritage Science
Fig. 2 | Heritage Science

Fig. 2

From: The method to soften the concretions of ceramics in the “Nanhai I” Shipwreck of China Southern Song Dynasty (1127–1279AD)

Fig. 2

The photograph of the samples from the “Nanhai I” Shipwreck: 1a Sample N09 with concretion before the treatment. 1b Ceramic fragment of Sample N09 without concretion after the treatment; 2a sample N20 with concretion before the treatment; 2b Ceramic fragments of Sample N20 without concretion after the treatment; 3a Sample N14 with concretion before the treatment. 3b Ceramic fragments of Sample N14 without concretion after the treatment; 4a sample N25 with concretion before the treatment; 4b Ceramic fragments of Sample N25 without concretion after the treatment; 5 sample N21 with concretion

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