A vacuum pump is used to fill a barometer with mercury.
Credits:
- Design and Demonstration
- Kristin Johnson University of Wisconsin - Madison, Madison, WI 53706
- Text
- Kristin Johnson University of Wisconsin - Madison, Madison, WI 53706
- John W. Moore University of Wisconsin - Madison, Madison, WI 53706
- Video Production
- Jerrold J. Jacobsen University of Wisconsin - Madison, Madison, WI 53706