Fig. 1From: Characterizing the sealing materials of the merchant ship Nanhai I of the Southern Song DynastyThe appearance of the samples: a sealing materials on the right stern, b samples A, B and C collected for analysis, c layered structure of sample A, d the inner layer of sample A, e the outer layer of sample A, f the layered structure of sample B, g fibers within sample C, h dried sample CBack to article page