{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Operation of the Modulator Tube in Radio Telephone Sets: Scientific Papers of the Bureau of Standards, Vol. 17","author_name":"E. S. Purington","thumbnail_url":"https://www.ebooknetworking.net/books/128/918/big1289183104.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1289183104.html\">Operation of the Modulator Tube in Radio Telephone Sets: Scientific Papers of the Bureau of Standards, Vol. 17</a>","width":400,"height":300}