{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The principles of mechanics. Explaining and demonstrating the general laws of motion, the laws of gravity, motion of descending bodies, projectiles, ... very much enlarged. With 43 copper-plates.","author_name":"William Emerson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9GN/bigB009GN7YEC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009GN7YEC.html\">The principles of mechanics. Explaining and demonstrating the general laws of motion, the laws of gravity, motion of descending bodies, projectiles, ... very much enlarged. With 43 copper-plates.</a>","width":400,"height":300}