{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Military Bridges; With Suggestions for New Expedients and Constructions for Crossing Streams and Chasms; Including, Also, Designs for Trestle","author_name":"Herman Haupt","thumbnail_url":"https://www.ebooknetworking.net/books/021/751/big0217516467.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0217516467.html\">Military Bridges; With Suggestions for New Expedients and Constructions for Crossing Streams and Chasms; Including, Also, Designs for Trestle</a>","width":400,"height":300}