{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Parallel Tables of Slopes and Rises: In Combination with Diagrams of Slopes and Rises and Other Tables, for Bridge and Structural Engineers, Draftsmen","author_name":"Constantine Kenneth Smoley","thumbnail_url":"https://www.ebooknetworking.net/books/114/369/big1143697359.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1143697359.html\">Parallel Tables of Slopes and Rises: In Combination with Diagrams of Slopes and Rises and Other Tables, for Bridge and Structural Engineers, Draftsmen</a>","width":400,"height":300}