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James Sowerby, Geology - Carbo Bitumen, 1817£ 190.00
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James Sowerby, Geology - Copper phosphate, 1817£ 190.00
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James Sowerby, Geology - Iron phosphate, 1817£ 190.00
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James Sowerby, Geology - Vitreous Copper ore, 1817£ 190.00
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James Sowerby, Geology - Antimony, 1809£ 145.00
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James Sowerby, Geology - Red stillbite or zeolite, 1809£ 190.00
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James Sowerby, Geology - Fluor, 1804£ 245.00
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James Sowerby, Geology - Oxygenized Carbon, 1804£ 145.00
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James Sowerby, Geology - Variegated limestone, 1804£ 145.00