{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"ORIGINAL PATENT APPLICATION NUMBER 258526 FOR IMPROVEMENTS IN BALLASTING DEVICES FOR AIRSHIPS ., (WASHINGTON USA).","author_name":"Eber Harley. Van Valkenberg","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003V2OOQU.html\">ORIGINAL PATENT APPLICATION NUMBER 258526 FOR IMPROVEMENTS IN BALLASTING DEVICES FOR AIRSHIPS ., (WASHINGTON USA).</a>","width":400,"height":300}