The Antikythera mechanism, the bronze geared device recovered from a Roman-era shipwreck off the Greek island of Antikythera in 1900–1901, is often called the oldest known analogue computer. Its back dials encode a handful of astronomical cycles that Babylonian and Greek astronomers already knew...
Source: [Dev.to](https://dev.to/ancientbiotechnology/checking-the-antikythera-mechanisms-calendar-maths-with-20-lines-of-python-311h)