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.
- 1x Glass bell jar
- 1x Vacuum base plate
- 1x Gasket
- 1x Hose
- 1x Battery-operated electric bell (removable)
At PASCO scientific, our thoughts are with you and our employees during this unprecedented time due to COVID-19. To reduce possible exposure to COVID-19, our employees are working from home and have reduced the work week by closing on Fridays. We will continue to provide customer support from 7:00 AM to 4:30 PM PST Monday-Thursday. Check out our new resources to support Distance Learning for teachers »