{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A unicontrol high-frequency radio direction finder","author_name":"F.W. Dunmore","thumbnail_url":"https://www.ebooknetworking.net/books/933/311/big9333110445.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9333110445.html\">A unicontrol high-frequency radio direction finder</a>","width":400,"height":300}