Historical Photographs of China reference for this set: Nh18. Medium - Miscellaneous medium-sized photographs 其它中型照片.
Dr. Chu Feng-Mei's (Zhu Fengmei 朱鳳美) apparatus for
separating round nematode-infected wheat grains from healthy long ones
in operation at NARB / National Agricultural Research Bureau (Zhong
yang nong ye shi yan suo 中央農業試驗所), Beibei 北碚, Sichuan 四川
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