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Title: [Go to resource]
Description: Four large pieces and some fragments of columbus catechu(?) in form of black resinous lumps with surface layer of stem and seed husks, provenance unknown, 1830-1920 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: resins Temporal: 1830-1920 Source: Science Museum Identifier: A675579 Go to resource More Like this...
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