{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mining and ore-dressing machinery: a comprehensive treatise dealing with the modern practice of winning both metalliferous and non-metalliferous minerals, ... all the operations incidental there","author_name":"Charles George Warnford Lock","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0190WOGFI.html\">Mining and ore-dressing machinery: a comprehensive treatise dealing with the modern practice of winning both metalliferous and non-metalliferous minerals, ... all the operations incidental there</a>","width":400,"height":300}