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    Timelines – Ancient mechanical devices

    Antikythera MechanismAncient Greece (c. 100 BCE)An ancient Greek analog computer used to predict astronomical positions and eclipses.
    Aeolipile (Hero’s Engine)Alexandria, Egypt (c. 1st century CE)A simple steam engine invented by Hero of Alexandria, marking an early form of steam propulsion.
    Archimedes’ ScrewAncient Greece (c. 3rd century BCE)A device for raising water, attributed to Archimedes, often used for irrigation or draining.
    Water WheelAncient Mesopotamia (c. 4th century BCE)An early device that converts flowing water into useful mechanical power, often used for milling.
    WindlassAncient Greece/Ancient Rome (c. 6th century BCE)A mechanical device used to lift heavy weights, consisting of a horizontal cylinder around which a cable is wound.
    Chinese SeismoscopeAncient China (c. 132 CE)An early earthquake detector designed by Zhang Heng, detecting the direction of an earthquake’s epicenter.
    Differential GearAncient China (c. 2nd century BCE)A gear system that allows for the distribution of torque to the wheels, enabling different wheel speeds, particularly in vehicles.
    Roman Corn MillAncient Rome (c. 1st century BCE)A large scale milling device powered by water, used extensively for grinding grain into flour.
    Water Clock (Clepsydra)Ancient Egypt (c. 16th century BCE)A timekeeping device that measures time by the regulated flow of liquid into or out of a vessel.
    OdometerAncient Greece/Ancient Rome (c. 1st century BCE)An instrument used to measure distance traveled by a vehicle, presumably invented by Vitruvius or Archimedes.