{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Electron tubes: Control of lighting circuits (International textbook company. Bluebooks N158)","author_name":"William R King","thumbnail_url":"https://www.ebooknetworking.net/books/B00/085/bigB00085O8EG.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00085O8EG.html\">Electron tubes: Control of lighting circuits (International textbook company. Bluebooks N158)</a>","width":400,"height":300}