{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The principles of Mr. Harrison's time-keeper, with plates of the same. Published by order of the commissioners of longitude.","author_name":"John Harrison","thumbnail_url":"https://www.ebooknetworking.net/books/117/015/big1170151817.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1170151817.html\">The principles of Mr. Harrison&#039;s time-keeper, with plates of the same. Published by order of the commissioners of longitude.</a>","width":400,"height":300}