{"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 [sic] practice of this art, with a new set of accurate mathematical tables","author_name":"Robert Gibson, James Ryan","thumbnail_url":"https://www.ebooknetworking.net/books/117/778/big1177787148.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177787148.html\">The theory and practice of surveying: containing all the instructions requisite for the skilful [sic] practice of this art, with a new set of accurate mathematical tables</a>","width":400,"height":300}