{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elementary Machine Shop Practice: A Text Book Presenting the Elements of the Machinists' Trade [ 1921 ]","author_name":"James Alfred Pratt","thumbnail_url":"https://www.ebooknetworking.net/books/111/232/big1112324259.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1112324259.html\">Elementary Machine Shop Practice: A Text Book Presenting the Elements of the Machinists&#039; Trade [ 1921 ]</a>","width":400,"height":300}