{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The heat treatment of tool steel: An illustrated description of the physical changes and properties induced in tool steel by heating and cooling operations","author_name":"Harry Brearley","thumbnail_url":"https://www.ebooknetworking.net/books/B01/092/bigB01092Q50C.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01092Q50C.html\">The heat treatment of tool steel: An illustrated description of the physical changes and properties induced in tool steel by heating and cooling operations</a>","width":400,"height":300}