{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"MacHine Drawing Problems; a Text and Problem Book Involving a Study of Fundamental Elements of MacHine Construction and Practice in the Conventional Representation of MacHine Parts","author_name":"Edward and George Elleson Berg","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003022E2M.html\">MacHine Drawing Problems; a Text and Problem Book Involving a Study of Fundamental Elements of MacHine Construction and Practice in the Conventional Representation of MacHine Parts</a>","width":400,"height":300}