{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elements of trigonometry, plane and spherical. By Lefebure de Fourcy. Tr. from the last French ed., by Francis H. Smith. With tables of logarithms.","author_name":"Michigan Historical Reprint Series","thumbnail_url":"https://www.ebooknetworking.net/books/142/553/big1425530583.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1425530583.html\">Elements of trigonometry, plane and spherical. By Lefebure de Fourcy. Tr. from the last French ed., by Francis H. Smith. With tables of logarithms.</a>","width":400,"height":300}