{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Self-Taught Mechanical Drawing and Elementary Machine Design","author_name":"Erik Oberg, F. L. Sylvester","thumbnail_url":"https://www.ebooknetworking.net/books/055/498/big0554987473.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0554987473.html\">Self-Taught Mechanical Drawing and Elementary Machine Design</a>","width":400,"height":300}