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Title: Black scale-like crystals on the surface of a furnace brick [Go to resource]
Description: Black scale-like crystals on the surface of a furnace brick. Morfa Silver Works, 1870 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1870 Source: Science Museum Identifier: 1889-164/1880 Go to resource More Like this...
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