Oliver North

The Practical Assayer Oliver North

The practical assayer, containing easy methods for the assay of the principal metals and alloys, principally designed for explorers and those interested in mines (1874). This book, "The practical assayer", by Oliver North, is a replication of a book originally published before 1874. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.