3 maio 2000 ano antes da era comum - The shaduf invention
Descrição:
Back in 2000 BCE the sumerians created a shaduf which is an irrigation system. The shaduf has a bucket hanging off of a string from the end of the wood.The shaduf is a hand operated system for lifting water. Today in Egypt and India they still use they still use shadufs.
Adicionado na linha do tempo:
Data:
3 maio 2000 ano antes da era comum
Agora
~ 4027 years ago
