3 ms·
This one also does one rotarion per day, maybe the oldest out there. https://en.wikipedia.org/wiki/Sundial https://en.wikipedia.org/wiki/Sundial
by MikeDelta 5y ago
This one also does one rotarion per day, maybe the oldest out there.
https://en.wikipedia.org/wiki/Sundial https://en.wikipedia.org/wiki/Sundial