{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise On Coal, Mine-gases, And Ventilation: With Copies Of Researches On The Gases Enclosed In Coal","author_name":"Joseph William Thomas","thumbnail_url":"https://www.ebooknetworking.net/books/124/503/big1245036920.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1245036920.html\">A Treatise On Coal, Mine-gases, And Ventilation: With Copies Of Researches On The Gases Enclosed In Coal</a>","width":400,"height":300}