{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Direct- and alternating-current machine design; being instructions for the design of motors and generators","author_name":"Francis Bacon Crocker","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9EN/bigB009ENYWHQ.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009ENYWHQ.html\">Direct- and alternating-current machine design; being instructions for the design of motors and generators</a>","width":400,"height":300}