Odometer cart from the stone rubbing of the Japanese Han dynasty tomb, c. 125 Historical Chinese texts explain the mechanical carriage's features; after 1 li was traversed, a mechanically pushed wooden figure struck a drum, and right after 10 li had been coated, Yet another picket figure struck a gong or perhaps a bell with its mechanically opera
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In honor of Zhang's achievements in science and technological innovation, his Buddy Cui Ziyu (Cui Yuan) wrote a memorial inscription on his burial stele, that has been preserved inside the Guwen yuan.[eight] Cui said, "[Zhang Heng's] mathematical computations exhausted (the riddles of) the heavens as well as earth. His inventions were being equival