{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Working of Steel, Annealing, Heat Treating, and Hardening of Carbon and Alloy Steel... - Primary Source Edition","author_name":"Fred Herbert Colvin","thumbnail_url":"https://www.ebooknetworking.net/books/129/367/big129367768X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-129367768X.html\">The Working of Steel, Annealing, Heat Treating, and Hardening of Carbon and Alloy Steel... - Primary Source Edition</a>","width":400,"height":300}