A philosophical and practical essay on the gold and silver mines of Mexico and Peru :
containing the nature of the ore, and the manner of working the mines, the qualities and use of quicksilver, the cleansing and refining these metals : with many useful observations concerning the assay of metals, the manner of conveying them to Europe, and remarks on the gold mines in Hungary, and those of Asia and Africa /
translated from a letter wrote [sic] in Spanish, by Father James Hernandez of the Society of Jesus ...

Description

Viewability

Item Link Original Source
Full view   Harvard University