{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Select mechanical exercises: shewing how to construct different clocks, orreries, and sun-dials, on plain and easy principles. With several ... By James Ferguson, ... The second edition.","author_name":"James Ferguson","thumbnail_url":"https://www.ebooknetworking.net/books/114/073/big1140735306.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1140735306.html\">Select mechanical exercises: shewing how to construct different clocks, orreries, and sun-dials, on plain and easy principles. With several ... By James Ferguson, ... The second edition.</a>","width":400,"height":300}