Assayer's Guide
Subtitle: Or, Practical Directions to Assayers, Miners and Smelters, for the Tests and Assays, by Heat and by Wet Processes, of the Ores of All the Principal Metals, of Gold and Silver Coins and Alloys, and of Coal
Publisher: Creative Media Partners, LLC
Published: 2018
Language: eng
ISBN-13: 9780341863502