{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The elementary theory of direct current dynamo electric machinery","author_name":"Ashford, Cyril Ernest","thumbnail_url":"https://www.ebooknetworking.net/books/117/759/big1177593033.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177593033.html\">The elementary theory of direct current dynamo electric machinery</a>","width":400,"height":300}