Most Popular Books
- Roasting of Gold and Silver Ores: And the Extraction of Their Respective Metals Without Quicksilver
- A Treatise on Concentration of All Kinds of Ores: Including the Chlorination Process for Gold-Bearing Sulphurets, Arseniurets, and Gold and Silver Ores Generally
- Procedimiento Para La Extraccion Del Oro Y De La Plata Practicado En Nevada Y California
