{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A practical treatise on the movement of slide valves by eccentrics.: For the use of engineers, draughtsmen, machinists, and students in general","author_name":"Charles William MacCord","thumbnail_url":"https://www.ebooknetworking.net/books/140/696/big1406963348.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1406963348.html\">A practical treatise on the movement of slide valves by eccentrics.: For the use of engineers, draughtsmen, machinists, and students in general</a>","width":400,"height":300}