7 gen 2000 anni a. C. - Shaduf was invented
Descrizione:
Shaduf was a hand operated system of lifting water. People in Egypt and India still use it today.The shaduf is made of a horizontal beam. It has a bucket or skin on one end to hold the water in it and a counterpart a little heavier on the other end. It is set up like a see saw.
Aggiunto al nastro di tempo:
Mesopotamia
Data:
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