How to Use an Armillary Sphere

It's surprising how little is available online regarding how to use an armillary sphere. I've parsed together a few techniques, which I demonstrate here. If I've made significant errors, my apologies. Hopefully it doesn't throw off your next solstice party.If you'd like to print your own model like the one used here, it's available for free download at https://www.thingiverse.com/thing:4622334.

Видео How to Use an Armillary Sphere канала Towero Mirth