{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Heat-Treatment of Steel: A Comprehensive Treatise on the Hardening, Tempering, Annealing and Casehardening of Various Kinds of Steel, Including ... Furnaces and on Hardness Testing","author_name":"Erik Oberg","thumbnail_url":"https://www.ebooknetworking.net/books/147/332/big1473328772.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1473328772.html\">Heat-Treatment of Steel: A Comprehensive Treatise on the Hardening, Tempering, Annealing and Casehardening of Various Kinds of Steel, Including ... Furnaces and on Hardness Testing</a>","width":400,"height":300}