{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"SMELTING PROCESSES FOR THE EXTRACTION OF SILVER AND GOLD FROM THEIR ORES; ERECTION OF SILVER-LEAD SMELTING WORKS IN MEXICO","author_name":"H F; J W Malcolmson Collins","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B015BXIXMW.html\">SMELTING PROCESSES FOR THE EXTRACTION OF SILVER AND GOLD FROM THEIR ORES; ERECTION OF SILVER-LEAD SMELTING WORKS IN MEXICO</a>","width":400,"height":300}