Historical Photographs of China reference for this set: Nh01. Szechuan (Sichuan) Province 四川省.
Men at work tapping the cupula furnace at the
Central Machine Works (Zhong yang ji xie chang 中央機械廠), Chengtu
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’: http://www.nri.cam.ac.uk/JN_wartime_photos/home.htm