NOUVEAU PROCEDE POUR L'EXTRACTION DES METAUX PRECIEUX CONTENUS DANS LES PYRITES CUIVREUSES. Presente a l,'Academie des sciences dans sa seance du 2 septembre 1872.

- Octavo, printed blue wraps. The wraps are bumped & chipped with some staining to their bottom edges. The top edge of the rear wrap is darkened. 12 pages. There is some light staining, foxing & chipping to the edges of the pages. Good. First edition.Frederic Claudet [1826-1906] was an analytical chemist, metallurgist and mining engineer, appointed Assayer to the Banks of England and France. His research was in the field of chemical technology, in particular the problems of extracting small quantities of silver present in the cupriferous pyrites from Spain and Portugal which are used in the manufacture of sulphuric acid. This is also the subject of the present pamphlet.The text is in French.Rare.