A machine for sorting tea
University of Bristol - Historical Photographs of China reference number: RA-m107. A scan of a magic lantern slide. Royal Asiatic Society Library reference: Glass Slide.00/(107). Photograph by Sze Yuen Ming (Yao Hua) Studio. See RA-m197 (which is a photograph taken at the same location).
Black and white photograph
Royal Asiatic Society of Great Britain and Ireland