{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Calculation, libration, and mensuration; or the arts of reckoning, weighing, and measuring. Being a mechanical work, adapted to the business and ... artificers, in the shortest method possible","author_name":"William Emerson","thumbnail_url":"https://www.ebooknetworking.net/books/117/105/big1171055544.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1171055544.html\">Calculation, libration, and mensuration; or the arts of reckoning, weighing, and measuring. Being a mechanical work, adapted to the business and ... artificers, in the shortest method possible</a>","width":400,"height":300}