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Made me lookup 'hemispherical millstone'. Interesting, thanks
Share what you've learned?
Apparently it's a trapetum
https://en.m.wikipedia.org/wiki/Millstone#The_Roman_trapetum
You're viewing a single thread.
Made me lookup 'hemispherical millstone'. Interesting, thanks
Share what you've learned?
Apparently it's a trapetum
https://en.m.wikipedia.org/wiki/Millstone#The_Roman_trapetum