{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Time-keeper and Compensating Pendulum. Contained in Transactions of the Society Instituted at London for the Encouragement of Arts, Manufactures and Commerce with the Premiums offered in the Year 1817, Volume 35 pages 127-138.","author_name":"William Wynn","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00IGJ5NUY.html\">A Time-keeper and Compensating Pendulum. Contained in Transactions of the Society Instituted at London for the Encouragement of Arts, Manufactures and Commerce with the Premiums offered in the Year 1817, Volume 35 pages 127-138.</a>","width":400,"height":300}