{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"THE SLIDE RULE AND LOGARITHMIC TABLES Including a Ten-Place Table of Logarithms","author_name":"clark, john","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0Z3/bigB000Z3LR5E.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000Z3LR5E.html\">THE SLIDE RULE AND LOGARITHMIC TABLES Including a Ten-Place Table of Logarithms</a>","width":400,"height":300}