Bell Jar
Bell Jar
U.S. Educator Price

This thick glass bell jar with base plate includes an electric bell on a rubber mount to demonstrate that sound does not propagate in a vacuum.

What's Included
  • 1x Glass bell jar
  • 1x Vacuum base plate
  • 1x Gasket
  • 1x Hose
  • 1x Battery-operated electric bell (removable)