Antikythera mechanism
device · 100 BC · Ancient world
An ancient Greek geared mechanism for calculating the positions of celestial bodies.
What it is made of
- Gear — has part. The mechanism contains at least 30 bronze gears.
Principles and materials it uses
- Bronze — is made of. The gears are bronze.
What it is a kind of
- Computing device — is a kind of. An analogue computing device.
Things built in a similar way
- Astrolabe — works like. Both are analogue astronomical calculators.
- Orrery — works like. Mechanical models of celestial motions.