{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Testing safety catches on mine cages at some eastern bituminous-coal mines","author_name":"H. J. Sloman","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3YC/bigB003YC2LRQ.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003YC2LRQ.html\">Testing safety catches on mine cages at some eastern bituminous-coal mines</a>","width":400,"height":300}