{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Roper's Catechism For Steam Engineers And Electricians: Including The Construction And Management Of Steam Engines, Steam Boilers, And Electrical Plants (1899)","author_name":"Stephen Roper","thumbnail_url":"https://www.ebooknetworking.net/books/143/726/big1437260772.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1437260772.html\">Roper&#039;s Catechism For Steam Engineers And Electricians: Including The Construction And Management Of Steam Engines, Steam Boilers, And Electrical Plants (1899)</a>","width":400,"height":300}