Description and Specification for Lab Tenders
Bell and Vacuum Sound Jar Glass.
- To demonstrate the principle that sound does not travel in vacuum.
- This is a modified unit which does not require external power source for the bell.
- Comes complete with Bell Jar, Bell which requires 2 AA batteries (not included), Vacuum Pump Plate and Vacuum Hose.
- Assembled unit is 8.5 in. x 11.5 in.
- Diameter x Height.