Observatory, Peking, c.1875
Celestial globe and quadrant, Imperial Observatory, Peking
Armillary, Imperial Observatory, Peking
Ancient Observatory (Guanxiangtai), Peking
John E. Stanfield at the Ancient Observatory (Guanxiangtai), Peking
Sheshan Hill Observatory, Shanghai
Bronze armillary, Peking Observatory, 1875
Astronomical instruments in the Imperial Observatory on the city wall, Peking
View of Pei Chi Ko (北极阁) in snow, Nanjing (南京市)
Purple afterglow of sun set, Hong Kong, 1945
Peking Observatory (Guanxiangtai)
Armillary, Observatory, Peking
Armillary in courtyard of Observatory, Peking
Quadrant, Peking Observatory
Imperial Observatory, Peking
