In four parts. Part I. and II.: Containing the Art of metals, written originally in Spanish. By the learned Albaro Alonso Barba. Translated by the Earl of Sandwich, in the year 1669. Part III: Containing that Invaluable piece of Mr. G. Plattes. Part IV: Houghton's Compleat Miner. Воспроизведено в оригинальной авторской орфографии издания 1738 года.