{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of This Art. with a New Set of Accurate Mathematical Tables","author_name":"Robert Gibson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9AB/bigB009ABWEEA.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009ABWEEA.html\">The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of This Art. with a New Set of Accurate Mathematical Tables</a>","width":400,"height":300}