{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Drum Armatures and Commutators, Theory and Practice; A Complete Treatise on the Theory and Construction of Drum Winding, and of Commutators for","author_name":"F. Marten Weymouth","thumbnail_url":"https://www.ebooknetworking.net/books/115/224/big1152243934.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1152243934.html\">Drum Armatures and Commutators, Theory and Practice; A Complete Treatise on the Theory and Construction of Drum Winding, and of Commutators for</a>","width":400,"height":300}