{"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 1","author_name":"William Cawthorne Unwin, John Henry Barr","thumbnail_url":"https://www.ebooknetworking.net/books/B00/B59/bigB00B59ETFC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00B59ETFC.html\">Notes On the Design of Machine Elements for Use in Connection with Unwin&#039;s Machine Design, Part 1</a>","width":400,"height":300}