{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Essentials Of Drafting: A Textbook On Mechanical Drawing And Machine Drawing, With Chapters And Problems On Materials, Stresses, Machine Construction And Weight Estimating (1919)","author_name":"Carl L. Svensen","thumbnail_url":"https://www.ebooknetworking.net/books/054/867/big0548672059.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0548672059.html\">Essentials Of Drafting: A Textbook On Mechanical Drawing And Machine Drawing, With Chapters And Problems On Materials, Stresses, Machine Construction And Weight Estimating (1919)</a>","width":400,"height":300}