[TRONSON DU COUDRAY, Charles] A Treatise on the Method Used in Corsica to Extract Iron from the Elbe Mine, from Which a Comparison Is Drawn Between the Catalan Method in General and the Method Practiced in Our Forges. Published in Uppsala, and available in Paris from Ruault, 1775. 1 vol. in-8, full vellum binding, smooth spine gilded with ornamentation and a volume number label in red morocco with gold lettering, gilt edges, 3 folded plates, full-size. Excellent condition, likely reinforced in places, scattered foxing, very fresh.