{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An Important Question in Metrology, Based Upon Recent and Original Discoveries.","author_name":"Charles A. L. Totten","thumbnail_url":"https://www.ebooknetworking.net/books/114/022/big1140225510.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1140225510.html\">An Important Question in Metrology, Based Upon Recent and Original Discoveries.</a>","width":400,"height":300}