{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Radio Instruments and Measurements: Issued March 23, 1918 (Classic Reprint)","author_name":"United States. National Bureau Of Standards","thumbnail_url":"https://www.ebooknetworking.net/books/B00/8LO/bigB008LO9QMU.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B008LO9QMU.html\">Radio Instruments and Measurements: Issued March 23, 1918 (Classic Reprint)</a>","width":400,"height":300}