{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Hall of Heavenly Records: Korean Astronomical Instruments and Clocks, 1380-1780 (Antiquarian Horological Society Monograph)","author_name":"Joseph Needham, Lu Gwei-Djen, John H. Combridge, John S. Major","thumbnail_url":"https://www.ebooknetworking.net/books/052/161/big0521616980.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521616980.html\">The Hall of Heavenly Records: Korean Astronomical Instruments and Clocks, 1380-1780 (Antiquarian Horological Society Monograph)</a>","width":400,"height":300}