{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Safety-Valves: Their History, Antecedents, Invention and Calculation","author_name":"William Barnet Le Van","thumbnail_url":"https://www.ebooknetworking.net/books/114/620/big1146202520.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1146202520.html\">Safety-Valves: Their History, Antecedents, Invention and Calculation</a>","width":400,"height":300}