{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Notes of the design of blower heating system for factory and shop buildings, (The Pennsylvania State College. Bulletin. Engineering series)","author_name":"Louis Allen Harding","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008AC6JK.html\">Notes of the design of blower heating system for factory and shop buildings, (The Pennsylvania State College. Bulletin. Engineering series)</a>","width":400,"height":300}