{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Smithsonian Logarithmic Tables","author_name":"Rheba Murray Spenceley, George Wellington Spenceley, Eugene Rhodes Epperson","thumbnail_url":"https://www.ebooknetworking.net/books/111/389/big1113897767.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1113897767.html\">Smithsonian Logarithmic Tables</a>","width":400,"height":300}