A COLLECTION 4 j Scarce and Valuable treatises, UPON Metals, Mines, and Minerals, In Four PARTS. Part I. and II. Containing the Art of M E ta l s, Writ ten originally m Spanijh. By the learned Alonso Parba, Director Q jlf C T Mines at Potofi, in the Spanijh IVeJl-Indies. Tran Hated by the Earl of ich, m the Year 1669. Part III. Contaming that Invaluable PIECE of alls ~cW TES > V1Z - a Oifcoverv of Of Mines from Gold to Coal. Part IV. Houghton’s Compleat MINER. LONDON, “•» “ ' h ' •**& Mix’cxxxvnii"