Assaying in Three Parts; Part 1st-Gold and Silver Ores: Part 2nd-Gold and Silver Bullion: Part 3rd-Lead, Copper, Tin, Mercury, Etc. Part 1

Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.