{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A practical treatise on high pressure steam boilers; including results of recent experimental tests of boiler materials, with a description of ... injectors and economizers in actual use","author_name":"William Miller Barr","thumbnail_url":"https://www.ebooknetworking.net/books/113/012/big1130124630.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1130124630.html\">A practical treatise on high pressure steam boilers; including results of recent experimental tests of boiler materials, with a description of ... injectors and economizers in actual use</a>","width":400,"height":300}