CONTI (Ludovico). Philosophical discourses on the two wonders of art and nature. Or Treatise of the liquor of Alchaest, & of the universal Medicine. Of the matter of the one & the other. Of the way to operate. And of the way to make the volatile salt of tartar. Paris : Jean d'Houry, 1678. - In-12, brown calf, spine decorated, spotted edges (period binding). Second edition of the French translation given by Robert Preudhomme, of this treatise of alchemy attributed to Ludovico Conti. One of the interests of this edition is the translator's foreword, which, according to Caillet (I, 2607), is "a true treatise on the pronunciation in use at the time . Hinges cracked, lacks at the headpieces, corners dulled. Small wormholes without gravity. Provenance: Piontelli Roberto, with bookplate.