{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Optica promota, seu, Abdita radiorum reflexorum & refractorum mysteria, geometrice enucleata cui subnectitur appendix, subtilissimorum astronomiae ... Jacobo Gregorio. (1663) (Latin Edition)","author_name":"James Gregory","thumbnail_url":"https://www.ebooknetworking.net/books/117/126/big117126710X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-117126710X.html\">Optica promota, seu, Abdita radiorum reflexorum &amp; refractorum mysteria, geometrice enucleata cui subnectitur appendix, subtilissimorum astronomiae ... Jacobo Gregorio. (1663) (Latin Edition)</a>","width":400,"height":300}