{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An essay on visual glasses, (vulgarly called spectacles) wherein it is shewn,  that the common structure of those glasses is contrary to the rules of ... of things,  and very prejudicial to the eyes","author_name":"Benjamin Martin","thumbnail_url":"https://www.ebooknetworking.net/books/117/147/big1171473621.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1171473621.html\">An essay on visual glasses, (vulgarly called spectacles) wherein it is shewn,  that the common structure of those glasses is contrary to the rules of ... of things,  and very prejudicial to the eyes</a>","width":400,"height":300}