{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A New and Accurate Method of Finding a Ship's Position at Sea, by Projection on Mercator's Chart (1851)","author_name":"Thomas H. Sumner","thumbnail_url":"https://www.ebooknetworking.net/books/116/176/big116176027X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-116176027X.html\">A New and Accurate Method of Finding a Ship&#039;s Position at Sea, by Projection on Mercator&#039;s Chart (1851)</a>","width":400,"height":300}