{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The elements of descriptive geometry, shadows and perspective; With a brief treatment of trihedrals, transversals, and spherical, axonometric and ... for colleges and scientific schools","author_name":"Samuel Edward Warren","thumbnail_url":"https://www.ebooknetworking.net/books/123/658/big1236584163.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1236584163.html\">The elements of descriptive geometry, shadows and perspective; With a brief treatment of trihedrals, transversals, and spherical, axonometric and ... for colleges and scientific schools</a>","width":400,"height":300}