{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"General Instructions for the Hydrographic Surveyors of the Admiralty.","author_name":"Anonymous","thumbnail_url":"https://www.ebooknetworking.net/books/124/106/big1241060614.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1241060614.html\">General Instructions for the Hydrographic Surveyors of the Admiralty.</a>","width":400,"height":300}