Assayer's Guide; or, Practical Directions to Assayers, Miners, and Smelters
Subtitle: For the Tests and Assays, by Heat and Wet Processes, of the Ores of All the Principal Metals, of Gold and Silver Coins and Alloys, and of Coal, &C
Publisher: Creative Media Partners, LLC
Published: 2018
Language: eng
ISBN-13: 9781376386394