{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Engineering estimates, costs, and accounts; a guide to commercial engineering, with numerous examples of estimates and costs of millwright work, miscellaneous productions, steam engines ..","author_name":"Anonymous","thumbnail_url":"https://www.ebooknetworking.net/books/117/751/big1177518813.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177518813.html\">Engineering estimates, costs, and accounts; a guide to commercial engineering, with numerous examples of estimates and costs of millwright work, miscellaneous productions, steam engines ..</a>","width":400,"height":300}