{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The elements of machine design: An introduction to the principles which determine the arrangement and proportions of the parts of machines","author_name":"Unwin, William Cawthorne","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2ZV/bigB002ZVPVX8.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002ZVPVX8.html\">The elements of machine design: An introduction to the principles which determine the arrangement and proportions of the parts of machines</a>","width":400,"height":300}