{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Practical Treatise On Segmental and Elliptical Oblique Or Skew Arches, Setting Forth the Principles and Details of Construction in Clear and Simple Terms","author_name":"George Joseph Bell","thumbnail_url":"https://www.ebooknetworking.net/books/114/137/big1141373114.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1141373114.html\">A Practical Treatise On Segmental and Elliptical Oblique Or Skew Arches, Setting Forth the Principles and Details of Construction in Clear and Simple Terms</a>","width":400,"height":300}