Historical Photographs of China reference for this set: Nh01. Szechuan (Sichuan) Province 四川省.
Boilermakers at work at the Central Machine Works
(Zhong yang ji xie chang 中央機械廠), Chengtu (Chengdu) 成都
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