{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Air-Screws, an Introduction to the Aerofoil Theory of Screw Propulsion","author_name":"M. A. S. Riach","thumbnail_url":"https://www.ebooknetworking.net/books/140/977/big1409776328.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1409776328.html\">Air-Screws, an Introduction to the Aerofoil Theory of Screw Propulsion</a>","width":400,"height":300}