{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tool-Steel - A Concise Handbook on Tool-Steel in General - Its Treatment in the Operations of Forging, Annealing, Hardening, Tempering and the Appliances Therefor","author_name":"Thallner, Otto","thumbnail_url":"https://www.ebooknetworking.net/books/147/332/big1473328934.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1473328934.html\">Tool-Steel - A Concise Handbook on Tool-Steel in General - Its Treatment in the Operations of Forging, Annealing, Hardening, Tempering and the Appliances Therefor</a>","width":400,"height":300}