{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Wireless telegraphy and high frequency electricity; a manual containing detailed information for the construction of transformers, wireless telegraph ... with chapters on their theory and operation","author_name":"Harry La Verne Twining, William Dubilier","thumbnail_url":"https://www.ebooknetworking.net/books/117/710/big1177100916.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177100916.html\">Wireless telegraphy and high frequency electricity; a manual containing detailed information for the construction of transformers, wireless telegraph ... with chapters on their theory and operation</a>","width":400,"height":300}