{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Effective methods in mechanical drawing; the geometry of drafting and kinks and short cuts","author_name":"Frederick Huston Evans","thumbnail_url":"https://www.ebooknetworking.net/books/117/657/big1176576984.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1176576984.html\">Effective methods in mechanical drawing; the geometry of drafting and kinks and short cuts</a>","width":400,"height":300}