A Treatise On Concentration Of All Kinds Of Ores: Including The Chlorination Process For Gold-Bearing Sulphurets, Arseniurets, And Gold And Silver Ores Generally (1868)
A Treatise On Concentration Of All Kinds Of Ores: Including The Chlorination Process For Gold-Bearing Sulphurets, Arseniurets, And Gold And Silver Ores Generally (1868)