Miscellaneous photographs, most taken at scientific institutions in and around Kunming 昆明市, Yunnan Province 云南省, acquired by Joseph Needham while Director of the SBSCO / Sino-British Science Co-operation Office (Zhong ying ke xue he zuo guan 中英科學合作館) in Chungking (Chongqing) 重慶市, China from 1943-1946. The photographers or sources are unknown. Where the date is not noted on the photograph or cannot be surmised from other sources, a broad estimate is provided.