{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A New and Improved System of Calculation: In Which a Universal Rule of Proportion Is ... Applied to Questions Relating to Military Affairs, Mensuration","author_name":"Daniel Dowling","thumbnail_url":"https://www.ebooknetworking.net/books/114/662/big1146629893.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1146629893.html\">A New and Improved System of Calculation: In Which a Universal Rule of Proportion Is ... Applied to Questions Relating to Military Affairs, Mensuration</a>","width":400,"height":300}