{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Practical Treatise On Cast And Wrought Iron Bridges And Girders: As Applied To Railway Structures, And To Buildings Generally, With Numerous ... Public Works Of The Most Eminent Engineers","author_name":"William Humber","thumbnail_url":"https://www.ebooknetworking.net/books/137/715/big1377152928.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1377152928.html\">A Practical Treatise On Cast And Wrought Iron Bridges And Girders: As Applied To Railway Structures, And To Buildings Generally, With Numerous ... Public Works Of The Most Eminent Engineers</a>","width":400,"height":300}