D’Espagnet: the Alchemist who inspired Newton

Jean d’Espagnet (1564 – c. 1637) was a French Renaissance polymath. He was a lawyer and politician, a mathematician and alchemist, an antiquarian poet, and friend of French literati. His 1623 works, Summary of Physics Restored and Arcanum were at once recognized to be among the clearest descriptions ever written of the hermetic cosmology and the alchemical work.…

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Cinnabar and Mercury in Archeology

Cinnabar and Mercury in Archeology The chemical element mercury is a shiny metallic liquid. Its chemical symbol Hg is derived from the Greek word hydrargyrum, meaning “liquid silver,” or “quick silver”. Mercury is found principally in the form of the ore cinnabar (mercury sulfide), which has a chemical composition of HgS. In Alchemy the holy trinity…

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