{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Notes On The Design Of Machine Elements For Use In Connection With Unwin's Machine Design, Part One","author_name":"John H. Barr","thumbnail_url":"https://www.ebooknetworking.net/books/054/852/big0548529523.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0548529523.html\">Notes On The Design Of Machine Elements For Use In Connection With Unwin&#039;s Machine Design, Part One</a>","width":400,"height":300}