Of the most outstanding master pieces of science and technology of Iran from old ages to the present are the water clocks by Abol ezz-Ibn Al-Jazzari. He lived in the 11th century AD. and his remaining works are proofs of his high levels of capability in different sciences such as mechanical engineering. fluid mechanics. https://www.soiebiologique.com/best-save-Scarecrow-Guide-Wilds-of-Eldraine-top-buy/