geochron
Channel: sandsmuseum
Date: 08/02/2019

The Geochron keeps track of time and sunshine throughout the world.  How does it show the night and day, the change of light due to the change in season, and the position of the sun above the earth?

I documented the cleaning and assembly as I restored my Geochron here:

http://www.sandsmuseum.com/misc/geochron/index.html