The Antikythera mechanism
World's first computer!!!
The Antikythera mechanism is an ancient hand-powered Greek analogue computer which has also been described as the first example of such deviceused to predict astronomical positions and eclipses for calendar and astrological purposes decades in advance.
It could also be used to track the four-year cycle of athletic games which was similar to an Olympiad, the cycle of the ancient Olympic Games
National Archaelogical Museum, Athens
Height 25 cm
Material. Casting stone-keramin, Aged-bronze finish (patina by hand)