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1102.1 Jan Frederick HELVETIUS. Vitulus aureus, quem mundus adorat et orat, in quo tractatur de rarissimo natur� miraculo transmutandi metalla, nempe quomodo tota plumbi substantia vel intra momentum ex quavis minima lapidis veri philosophici particula in aurum obryzum commutata fuerit Hagae Comitis... 8� Amstelodami, apud Johannem Jansonius � Waesberge, & viduam Elizei Weyerstraet 1667 Ferguson Wolfenbuttel Nat Union Cat Wisconsin
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