{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Machine-shop mathematics","author_name":"George Albert Wentworth,","thumbnail_url":"https://www.ebooknetworking.net/books/B00/7EH/bigB007EHWMDK.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B007EHWMDK.html\">Machine-shop mathematics</a>","width":400,"height":300}