{"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 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-B00086PHWM.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}