"I bought this “thing” years ago, but never knew what it was, I just thought it looked cool! The center globe piece spins and is weighted at one end, so even if you give it a spin, it always ends up with the “10” facing up. The numbers are 10-130, in increments of 10. Any ideas would be awesome!"
A: "This is a thermometer. My grandfather had the same exact device. Look at the number where it aligns with the convex (upper) portion of the plane, that should be the approximate temperature in Fahrenheit. I was always told to not spin it because it would mess with its accuracy"
Where do you call it like that? I only know it as Schultüte.