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Emblems from a German Alchemical Manuscript, Fidelis Werner, 1794. Source: University of Freiburg

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Emblems from Sammlung Alchymistischer Schriften (Collection of Alchemical Writings), 18th Century. The different colors and symbolic images represent stages of the alchemical process, and the composition acts as a guide for the process as a whole. Source: John Rylands Library

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