{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A treatise on levelling, topography, and higher surveying","author_name":"W. M. Gillespie","thumbnail_url":"https://www.ebooknetworking.net/books/B01/5AX/bigB015AXGANM.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B015AXGANM.html\">A treatise on levelling, topography, and higher surveying</a>","width":400,"height":300}