Historical Photographs of China reference for this set: Nh17. Tseng - Educational campaign to promote improvements in tobacco growing, Sichuan 曾省 - 四川, 促進煙草生産提高的教育活動. Tseng Sheng (Zeng Sheng 曾省), an entomologist at National Szechuan University (Guo li si chuan da xue 國立四川大學), teaching pupils from a rural school how to recognise and spray insects in a tobacco field near Chengtu (Chengdu) 成都, Szechuan (Sichuan) 四川. Photograph from Zeng Sheng 曾省. Photographs from the collection may be reproduced only with written permission. For permissions, contact the Librarian, East Asian History of Science Library, Needham Research Institute. Further information about the library and the ‘Joseph Needham Photographs – Wartime China, 1943-1946’:

Estimated date
1 March 1943 - 1 Febuary 1945
Black and white photograph
Needham Research Institute, Cambridge