{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elements of Trigonometry, and Trigonometrical Analysis, Preliminary to the Differential Calculus: Fit for Those Who Have Studied the Principles of Arithmetic and Algebra, and Six Books of Euclid","author_name":"Augustus De Morgan","thumbnail_url":"https://www.ebooknetworking.net/books/114/613/big1146134525.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1146134525.html\">Elements of Trigonometry, and Trigonometrical Analysis, Preliminary to the Differential Calculus: Fit for Those Who Have Studied the Principles of Arithmetic and Algebra, and Six Books of Euclid</a>","width":400,"height":300}