{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Distance Measuring Equipment and Offset Course Computer, Bulletin No. 4, 3rd Edition (August, 1952)","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/B00/LIJ/bigB00LIJW9CY.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00LIJW9CY.html\">Distance Measuring Equipment and Offset Course Computer, Bulletin No. 4, 3rd Edition (August, 1952)</a>","width":400,"height":300}