{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Treatise on the various elements of stability in the wellproportioned arch. With numerous tables of the ultimate and actual thrust. By Captain D. P. Woodbury ...","author_name":"Michigan Historical Reprint Series","thumbnail_url":"https://www.ebooknetworking.net/books/142/552/big142552317X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-142552317X.html\">Treatise on the various elements of stability in the wellproportioned arch. With numerous tables of the ultimate and actual thrust. By Captain D. P. Woodbury ...</a>","width":400,"height":300}