{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geodesy. Latitude Observations with Photographic Zenith Tube at Gathersburg, Md.","author_name":"Frank E Ross","thumbnail_url":"https://www.ebooknetworking.net/books/111/734/big1117343650.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1117343650.html\">Geodesy. Latitude Observations with Photographic Zenith Tube at Gathersburg, Md.</a>","width":400,"height":300}