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The “Kilonion” (Shaduf)

It was an ancient system used for pumping water (shaduf), which was first invented by the civilisations of Mesopotamia. It consisted of a long wooden lever, on the one end of which was the pumping bucket and on the other a stone as a counterweight. The operator used the weight of his body for the descent of the empty bucket and the counterweight for the ascent of the full bucket of water.