{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Hunt And Douglas Process For Extracting Copper From Its Ores, With An Appendix Including Notes On The Treatment Of Silver And Gold Ores","author_name":"James Oscar Stewart","thumbnail_url":"https://www.ebooknetworking.net/books/054/847/big0548476977.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0548476977.html\">The Hunt And Douglas Process For Extracting Copper From Its Ores, With An Appendix Including Notes On The Treatment Of Silver And Gold Ores</a>","width":400,"height":300}