I read an article about someone restoring one that was a fascinating exploration of the technology. I believe it could also be used to predict a landing point, and the globe had an outline showing friendly nations for a preferred landing zone in case of emergency.
EDIT: I think this is the post I read
the globe had an outline showing friendly nations
How often it was updated?
I would assume just as needed before a mission. I don’t think it changed much during most of the Cold War.
Space diplomacy is different than regular politics. Most of the world works together and are friendly.
It would be cool to see a map
CuriousMarc made some good videos about this one: https://www.youtube.com/watch?v=dmHaCQ8Ul6E&list=PL-_93BVApb590C0xwno72CO4HApjxTQIh
What a fine yet robust mechanical instrument. It must’ve taken a lot of work to ensure they can pass vibe testing at what I assume are at least 10 g’s.
