How does an aneroid barometer work?

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Tags

1. #standing
2. #pushes
3. #greater
4. #surface
5. #making
6. #barometer
7. #sometimes
8. #upside
9. #glass
10. #called
11. #torricellian
12. #inverted
13. #pressure
14. #mercury
15. #rises
16. #photo
17. #higher