Robert Kellum: Chemical and alchemical collections: 17th and 18th centt. includes: ff. 3-14 Denis Zacaire: Opusculum philosophiæ naturalis metallorum, partes ii. et iii.: 17th cent.: Engl.: pars iii., in prose and verse, 1546. ff. 16-31 Bernardus, Trevisanus, Conte della Marca di Treviso: De c...