1. Photo 1188(89) Reference (shelfmark): Photo 1188(89) Title: Imperial Observatory, one of Peking's famous sights—on the eastern wall—China. Photographer: James Ricalton for Underwood and Underwood Scope & Content: Imperial Observatory or Gu Guanxiangtai. Collection Area: Visual Arts Languages: Not applicable Date Range: c 1900 Extent: 1 item