{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A treatise on surveying: in which the theory and practice are fully explained. Preceded by a short treatise on logarithms: and also by a compendious ... The whole illustrated by numerous examples","author_name":"Samuel. Alsop","thumbnail_url":"https://www.ebooknetworking.net/books/B00/6JX/bigB006JXSPI6.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B006JXSPI6.html\">A treatise on surveying: in which the theory and practice are fully explained. Preceded by a short treatise on logarithms: and also by a compendious ... The whole illustrated by numerous examples</a>","width":400,"height":300}