{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Science and Civilization in China Volume 4 Part 2 Physics and Physical Technology Mechanical Engineering","author_name":"Joseph Needham","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000LZE37U.html\">Science and Civilization in China Volume 4 Part 2 Physics and Physical Technology Mechanical Engineering</a>","width":400,"height":300}