{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Opticks: Or a Treatise of the Reflections, Refractions, Inflections & Colours of Light-Based on the Fourth Edition London, 1730","author_name":"Sir Isaac Newton, I. Bernard Cohen, Albert Einstein, Sir Edmund Whittaker","thumbnail_url":"https://www.ebooknetworking.net/books/048/660/big0486602052.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486602052.html\">Opticks: Or a Treatise of the Reflections, Refractions, Inflections &amp; Colours of Light-Based on the Fourth Edition London, 1730</a>","width":400,"height":300}