NEW PROCESS of AMALGAMATION of GOLD and SILVER ORES, and other Metallic Mixtures, as introduced in Hungary and Bohemia, trans, by RUDOLF ERIC RASPE, with SUPPLEMENT, or Comparative View of the former Method of Melting and Refining, and Account of its...
Auteur(s) : BORN (Ignaz Edler)
Description : in-4, 1791
Titre complet de l'ouvrage : NEW PROCESS of AMALGAMATION of GOLD and SILVER ORES, and other Metallic Mixtures, as introduced in Hungary and Bohemia, trans, by RUDOLF ERIC RASPE, with SUPPLEMENT, or Comparative View of the former Method of Melting and Refining, and Account of its latest Improvements, and of the Quicksilver Trade, with 22 copperplates (many folding) of metallurgical plant