{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Studies of machines for extruding clay columns: Augers, spacers, and dies for brick machines, ([United States] Bureau of standards.  Research paper)","author_name":"Paul C Grunwell","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008AT23I.html\">Studies of machines for extruding clay columns: Augers, spacers, and dies for brick machines, ([United States] Bureau of standards.  Research paper)</a>","width":400,"height":300}