{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"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, and of Coal,","author_name":"Oscar Montgomery Lieber","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2IY/bigB002IYE01G.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002IYE01G.html\">The Assayer&#039;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, and of Coal,</a>","width":400,"height":300}