{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A treatise on land-surveying: comprising the theory developed from five elementary principles; and the practice with the chain alone, the compass, the transit, the theodolite, the plane table, &c. ..","author_name":"W M. 1816-1868 Gillespie","thumbnail_url":"https://www.ebooknetworking.net/books/117/189/big1171895240.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1171895240.html\">A treatise on land-surveying: comprising the theory developed from five elementary principles; and the practice with the chain alone, the compass, the transit, the theodolite, the plane table, &amp;c. ..</a>","width":400,"height":300}