{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geometrical and graphical essays : containing a general description of the mathematical instruments used in geometry, civil and military surveying, levelling, and perspective; with many new practical problems, illustrated by thirty-four copper plates 1813","author_name":"George, ,Jones, William, ,Warner, John, d. former owner. MChB Adams","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B011BYINZ2.html\">Geometrical and graphical essays : containing a general description of the mathematical instruments used in geometry, civil and military surveying, levelling, and perspective; with many new practical problems, illustrated by thirty-four copper plates 1813</a>","width":400,"height":300}