{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Ship Magnetism and the Magnetic Compass: The Commonwealth and International Library of Science, Technology, Engineering and Liberal Studies: Navigation and Nautical Courses (Commonwealth Library)","author_name":"F. G. Merrifield","thumbnail_url":"https://www.ebooknetworking.net/books/008/009/big0080097693.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0080097693.html\">Ship Magnetism and the Magnetic Compass: The Commonwealth and International Library of Science, Technology, Engineering and Liberal Studies: Navigation and Nautical Courses (Commonwealth Library)</a>","width":400,"height":300}