{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lenses and Systems of Lenses: Treated After the Manner of Gauss (1884)","author_name":"Pendlebury, Charles","thumbnail_url":"https://www.ebooknetworking.net/books/116/181/big1161811451.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1161811451.html\">Lenses and Systems of Lenses: Treated After the Manner of Gauss (1884)</a>","width":400,"height":300}