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The Assayer's Guide, or Practical Directions to Assayers, Miners, and Smelters: For the Tests and Assays, by Heat and by Wet Processes, of the Ores of ... and Silver Coins and Alloys (Classic Reprint) - Hardcover

Lieber, Oscar Montgomery

 
9780265526569: The Assayer's Guide, or Practical Directions to Assayers, Miners, and Smelters: For the Tests and Assays, by Heat and by Wet Processes, of the Ores of ... and Silver Coins and Alloys (Classic Reprint)