Cao Lỗ (皐魯, also known as Cao Thông, Đô Lỗ, Thạch Thần, or Đại Than Đô Lỗ Thạch Thần) was a Vietnamese weaponry engineer and minister who lived during the reign of King An Dương Vương. According to mythology, he built a crossbow from the claw of a turtle god that can fire 300 arrows in a single shot.
See also Âu Lạc An Dương Vương Hồ Nguyên Trừng Trần Đại Nghĩa
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