Gallery Images

For Beijing Observatory Geocoin

2 Mar 10 View Image Bejing Observatory GeoCoin 20 Feb 10 View Image The Equatorial Armilla 20 Feb 10 View Image Bejing Observatory 20 Feb 10 View Image Bejing Observatory
20 Feb 10 View Image Old diagram of the Bejing Observatory 20 Feb 10 View Image The Equatorial Armilla 20 Feb 10 View Image The Equatorial Armilla