World / Iraq / Diyala / al-Halis, 29 km from center (الخالص) Coordinates: 33°37'5"N   44°23'37"E

Building at Tarmiya where phosphoric acid purification occured at Ibn Sina - Eng. sinan

Building at Tarmiya where phosphoric acid purification occured at Ibn Sina - Eng. sinan


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Edited: 3 months ago Languages: en