{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Solenoids Electro-Magnets and Electro-Magnetic Windings","author_name":"Charles Underhill","thumbnail_url":"https://www.ebooknetworking.net/books/155/918/big155918096X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-155918096X.html\">Solenoids Electro-Magnets and Electro-Magnetic Windings</a>","width":400,"height":300}