Artifact ID BC 0621/0676
Negative Number NS108
Etchant Fecl3, K2Cr2O7
Photo Date 2/15/2000
Metallographic DescriptionLarge, slightly cored dendrites, with a great deal of eutectoid still remaining, though it has been preferentially attacked by corrosion. This suggests that the alloy was fairly high in tin and cooled rather slowly. Twinned redeposited copper has filled some voids.
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