Assaying In Three Parts: Part 1, Gold And Silver Ores is a book written by Charles Howard Aaron in 1884. This book is a comprehensive guide to the process of assaying gold and silver ores. The book is divided into three parts, with the first part focusing on the assaying of gold and silver ores. The second part of the book covers the assaying of other metals, including copper, lead, zinc, and iron. The third part of the book covers the assaying of...