View of chain pumps used for irrigation near Swatow (now Shantou), Kwangtung Province (now Guangdong Sheng), China
published 1873
- The pumps shown in this photograph consisted of a long square wooden tube into which a looped chain is fitted. Attached to the chain are wooden diaphragms which are spaced six inches apart and are guided by rods above the tube. The chain is made to revolve by human foot-power, bringing water to the upper level.
Collotype
comp.: 11.3 x 12.5 cm sheet: 47.2 x 35.4 cm
PH1979:0603.02:015
numbered - in typescript, in white ink, in the image, l.l.: "15"
Shantou; Guangdong Sheng; China;
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