Jaime Hernández profile picture

Jaime Hernández

Is this your author profile? Create an account to claim and customize it!

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 Ob