{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On Opacity: Read before the Physical Society of London, being the Presidential Address for 1899","author_name":"Oliver Joseph Lodge","thumbnail_url":"https://www.ebooknetworking.net/books/054/370/big054370291X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-054370291X.html\">On Opacity: Read before the Physical Society of London, being the Presidential Address for 1899</a>","width":400,"height":300}