Celestial instruments Surviving artifact

Antikythera Mechanism — Fragment A

150–100 BCE; museum dating

Speculative use · Tartarian imagining

Imagine a navigator carrying a compact mechanical calendar for voyages between Old World ports.

An imagined use within Tartarian lore; its historic use is not established by this interpretation.

Where it survives

National Archaeological Museum

Athens, Greece

Current collection custodian; pin marks the museum approximately, not the original findspot. Display and access may vary.

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Keep the trail

Collection reference: Not supplied by the linked record

The linked custodian record supports this object’s identity and recorded location. Check it for exhibition and access information.