{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Common clock escapements: A description  of common escapements and practical workshop methods for mechanical clocks ancient and modern","author_name":"Laurie Penman, Laurence W Penman","thumbnail_url":"https://www.ebooknetworking.net/books/148/183/big148183715X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-148183715X.html\">Common clock escapements: A description  of common escapements and practical workshop methods for mechanical clocks ancient and modern</a>","width":400,"height":300}