Elementa chemiae Pyrosophia - Elements of Chemistry Pyrosophy
Johann Conrad Barchusen
1717
Subject: Medicine, Alchemy, Metallurgy
Johann Conrad Barchusen
1717
Subject: Medicine, Alchemy, Metallurgy
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“that the good delight to impart their knowledge to others, because it is the greatest joy to them to be useful.”
Gregory of Nyssenus
Helvetius Golden Calf, which the World Worships and Adores
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