| Name | Antikythera Mechanism |
| Discovery Date and Place | 1901, Antikythera wreck off the Greek island of Antikythera |
| Estimated Date of Origin | Between 205 BC and 60 BC |
| Purpose | Astronomical and calendrical calculations, predicting astronomical events such as eclipses |
| Dimensions | 340 mm × 180 mm × 90 mm |
| Materials | Bronze and wood |
| Features | Contains a complex system of at least 30 meshing bronze gears |
| Major Inferences | Testament to technical sophistication during Hellenistic period, shows ancient Greek understanding and knowledge of astronomy |
| Current Location | National Archaeological Museum, Athens |
| Conservation Status | Fragments of the mechanism survived |
