14 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:
Data:
14 gen 2000 anni a. C.
Adesso
 ~ 4028 years ago 
Immagini:
![]()