{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Sewer-Gas Question: An Analysis and Illustrated Comparison of the Several Methods and Means of Establishing and Maintaining the Seals of Sewer-Gas Traps","author_name":"E S. McClellan","thumbnail_url":"https://www.ebooknetworking.net/books/117/423/big1174231963.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1174231963.html\">The Sewer-Gas Question: An Analysis and Illustrated Comparison of the Several Methods and Means of Establishing and Maintaining the Seals of Sewer-Gas Traps</a>","width":400,"height":300}