{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The principles and practice of arithmetic, comprising the nature and use of logarithms, with the computations employed by artificers, gagers and land-surveyors. Designed for the use of students","author_name":"Hind, John","thumbnail_url":"https://www.ebooknetworking.net/books/B01/5DC/bigB015DC765G.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B015DC765G.html\">The principles and practice of arithmetic, comprising the nature and use of logarithms, with the computations employed by artificers, gagers and land-surveyors. Designed for the use of students</a>","width":400,"height":300}