{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Strains Upon Bridge Girders and Roof Trusses: Including the Warren, Lattice, Trellis, Boqstring, and Other Forms of Girders, the Curved Roof, and Simple and Compound Trusses","author_name":"Thomas Cargill,","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9AL/bigB009ALBBQC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009ALBBQC.html\">The Strains Upon Bridge Girders and Roof Trusses: Including the Warren, Lattice, Trellis, Boqstring, and Other Forms of Girders, the Curved Roof, and Simple and Compound Trusses</a>","width":400,"height":300}