{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Spur and bevel gearing : a treatise on the principles, dimensions, calculation, design and strength of spur and bevel gearing, together with chapters ... tooth forms and methods of cutting gear teeth","author_name":"Machinery Machinery, Erik Valdemar Oberg","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9X1/bigB009X1H3U2.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009X1H3U2.html\">Spur and bevel gearing : a treatise on the principles, dimensions, calculation, design and strength of spur and bevel gearing, together with chapters ... tooth forms and methods of cutting gear teeth</a>","width":400,"height":300}