Nature, of course, abhors a vacuum – and sound waves won’t travel through one. Prove it with a ringing bell inside a sealed glass jar. As air is gradually pumped out of the jar, the bell becomes faint, then dies. Includes jar, vacuum plate with valve, rubber seal, bell system, and instructions. You need a vacuum pump and 2 AA batteries, not included. Bell may be removed for other vacuum experiments. The inside height is 8 inches, and the diameter is 8 inches.
Worldwide Export & Institutional Supply Support
INTERLABS is a trusted Indian manufacturer and exporter of educational laboratory equipment, STEM learning systems, TVET training equipment, healthcare supply solutions, and institutional science products for schools, universities, healthcare projects, NGOs, and government procurement organizations across Africa, the Middle East, and Asia.
We support bulk institutional procurement requirements from Zambia, Kenya, Tanzania, Rwanda, Uganda, Nigeria, Ghana, South Africa, Cameroon, UAE, Saudi Arabia, and Southeast Asian educational markets.
- Bulk Export Orders
- Government & NGO Procurement Support
- OEM Manufacturing Solutions
- Worldwide Shipping Assistance
- Educational & Healthcare Supply Projects
