{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Principles of Plane Trigonometry, Mensuration, Navigation and Surveying: Adapted to the Method of Instruction in the American Colleges","author_name":"Jeremiah Day","thumbnail_url":"https://www.ebooknetworking.net/books/114/650/big1146503601.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1146503601.html\">The Principles of Plane Trigonometry, Mensuration, Navigation and Surveying: Adapted to the Method of Instruction in the American Colleges</a>","width":400,"height":300}