{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Agricultural Implements and Machines: in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17","author_name":"John T. Schlebecker","thumbnail_url":"https://www.ebooknetworking.net/books/146/636/big1466369337.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1466369337.html\">Agricultural Implements and Machines: in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17</a>","width":400,"height":300}