{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Measuring the Power of Convex Lenses","author_name":"David Bruckner","thumbnail_url":"https://www.ebooknetworking.net/books/365/640/big3656405689.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3656405689.html\">Measuring the Power of Convex Lenses</a>","width":400,"height":300}