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Georgii VVolffgangi VVedelii, Med. Doctoris, Consiliarii ... Pharmaciae acroamaticae disputatio XV. De sulphuribus, tincturis et vitris, eodem praeside, / publicae disquisitioni subjecta à Johanne Georgio Hoyero, ... ad diem Maii M DC LXXXVI. Public Domain Mark. Source: Wellcome Collection.