Odometer cart from a stone rubbing of an Jap Han dynasty tomb, c.?125 Historical Chinese texts describe the mechanical carriage's features; just after 1 li was traversed, a mechanically pushed picket determine struck a drum, and following ten li were included, An additional wood determine struck a gong or maybe a bell with its mechanically operated
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In honor of Zhang's achievements in science and technological know-how, his Good friend Cui Ziyu (Cui Yuan) wrote a memorial inscription on his burial stele, that has been preserved while in the Guwen yuan.[eight] Cui said, "[Zhang Heng's] mathematical computations fatigued (the riddles of) the heavens along with the earth. His innovations have bee
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