{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The American Steel Worker: A Twenty-Five Years' Experience In The Selection, Annealing, Working, Hardening And Tempering Of Various Kinds And Grades Of Steel (1906)","author_name":"E. R. Markham","thumbnail_url":"https://www.ebooknetworking.net/books/054/865/big0548657149.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0548657149.html\">The American Steel Worker: A Twenty-Five Years&#039; Experience In The Selection, Annealing, Working, Hardening And Tempering Of Various Kinds And Grades Of Steel (1906)</a>","width":400,"height":300}