{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Sketches of engine and machine details. A reference book for the use of engineers, draughtsmen, mechanics","author_name":"Wallace Bentley","thumbnail_url":"https://www.ebooknetworking.net/books/B00/CA8/bigB00CA8IOGW.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00CA8IOGW.html\">Sketches of engine and machine details. A reference book for the use of engineers, draughtsmen, mechanics</a>","width":400,"height":300}