{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise On Toothed Gearing: Containing Complete Instructions for Designing, Drawing, and Constructing Spur Wheels, Bevel Wheels, Lantern Gear, ... : For the Use of Machinists, Pattern-Make","author_name":"John Howard Cromwell","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9P2/bigB009P2LXHI.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009P2LXHI.html\">A Treatise On Toothed Gearing: Containing Complete Instructions for Designing, Drawing, and Constructing Spur Wheels, Bevel Wheels, Lantern Gear, ... : For the Use of Machinists, Pattern-Make</a>","width":400,"height":300}