{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Descriptive geometry, as applied to the drawing of fortification and stereotomy: for the use of the cadets of the U.S. military academy","author_name":"Mahan, D H. 1802-1871","thumbnail_url":"https://www.ebooknetworking.net/books/114/934/big1149342269.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1149342269.html\">Descriptive geometry, as applied to the drawing of fortification and stereotomy: for the use of the cadets of the U.S. military academy</a>","width":400,"height":300}