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چکیده
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Excavations in Iran’s Lorestan province uncovered a 200-year-old water system con-sisting of four earthenware jars connected by clay pipes, each jar built from six or seven pottery sections. Due to local conditions, the dimensions and spacing of the jars in this water supply system design deviate from the established standards in historical water science literature (a diameter-to-length ratio of less than 1:4). This deviation prompted detailed archaeo-hydraulic investigations, including fieldwork analyses and hydraulic calculations of the discovered water supply system. The system was designed to serve both public and governmental purposes. Structural modifications (diameter-to-length ratio < 1:4) improved durability and strength for regional conditions. The jars divided, ventilated, and filtered water from mud and sand. Comparative analyses suggest the water supply system dates to the late Zand and Qajar periods (18th–19th centuries).
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