{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Azimuth, a treatise on this subject, with a subject of the astronomical triangle, and of the effect of errors in the data, illus: by loci of maximum and minimum errors","author_name":"Joseph Edgar Craig","thumbnail_url":"https://www.ebooknetworking.net/books/B00/5HI/bigB005HI5HG2.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B005HI5HG2.html\">Azimuth, a treatise on this subject, with a subject of the astronomical triangle, and of the effect of errors in the data, illus: by loci of maximum and minimum errors</a>","width":400,"height":300}