{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Precise Speed Control For D-C Machines","author_name":"R. H. Frazier, J. Eisler, W. P. Frantz","thumbnail_url":"https://www.ebooknetworking.net/books/125/852/big1258526700.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1258526700.html\">Precise Speed Control For D-C Machines</a>","width":400,"height":300}