Fig. 6-3. Irrigation technology in ancient Egypt.
C. Irrigation of a palm orchard by a shaduf, using a water-lifting device consisting of a beam holding a long pole in which a bucket is suspended at one end and a large lump of clay acts as a counterpoise. The water is funneled to a mud basin at the foot of the palm. From a tomb at Thebes, Egypt. ca 1500BCE.
Source: Singer et al., 1954, Fig. 344.