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2070.1 Michael POTIER. Fons chymicus id est: Vera auri et argenti conficiendi, ex naturalis philosophi� venis scaturiens ratio, ut olim ita & nunc a multis ejus artis ignaris & zoilis quidem impetita, apologetice tamen acriter defensa. 4� Coloni�: C. Munich 1631 British Library
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