{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Tesla Rotating Magnetic Field","author_name":"Thomas Commerford Martin, Nikola Tesla","thumbnail_url":"https://www.ebooknetworking.net/books/116/284/big1162840447.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1162840447.html\">The Tesla Rotating Magnetic Field</a>","width":400,"height":300}