{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Definitions in Navigation and Nautical Astronomy with Explanatory Diagrams: Together with Descriptions of the Various Instruments Used for the Purpose of Navigation","author_name":"Paul Groves-Showell","thumbnail_url":"https://www.ebooknetworking.net/books/054/377/big054377550X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-054377550X.html\">Definitions in Navigation and Nautical Astronomy with Explanatory Diagrams: Together with Descriptions of the Various Instruments Used for the Purpose of Navigation</a>","width":400,"height":300}