Vacuum Bell Jar with Electric bell Manufacturer,Supplier and Exporter in China
Product Code : EL-LE-11527
School Lab China is a leading
Vacuum Bell Jar with Electric bell Manufacturer,and suppliers in China,
Description :
A vacuum bell jar with electric bell is a laboratory device used to demonstrate the transmission of sound through air. The electric bell is suspended inside the bell jar, and it is connected to a power source.
Features :
Suitable for the demonstrating experiment in middle school and teachers
Easy to operate
Works great in Labs, Classrooms or for Home Eperiements.
Demonstrate that sound does not travel in a vaccuum
Comes complete with Bell Jar
Bell requires 2 D batteries
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