Vacuum Bell Jar

Vacuum Bell Jar                                               

Gelsonlab HSPEM-092 Vacuum Bell Jar with Electric bell Vacuum Hood Suction Disc Bell in Vacuum Laboratory Plastic Jar 

Product features

Works great in Labs, Classrooms or for Home Eperiements!
Demonstrate that sound does not travel in a vaccuum
Comes complete with Bell Jar
7.5 in. (190mm) x 11 in. (280mm) Diameter x Height
Bell requires 2 D batteries (not included)
 

To demonstrate the principle that sound does not travel in vacuum. Vacuum Bell Jar is a modified unit which does not require external power source for the bell. Comes complete with Bell Jar, Bell which requires 2 D batteries (not included), Vacuum Pump Plate. Assembled unit is 7.5 in. (190mm) x 11 in. (280mm) Diameter x Height. Perfect for isolating experiments from outside interference or studying the Properties of Matter in a Vacuum. This Bell jar is for use in only Physics Experiments to teach Science. It can withstand small amounts of Vacuum. How much Vacuum, we do not know. We are not liable for any other use. Strong plastic construction. Acrylic Bell jar.

Product Features

*Works great in Labs, Classrooms or for Home Eperiements!
*Demonstrate that sound does not travel in a vaccuum
*Comes complete with Bell Jar
*7.5 in. (190mm) x 11 in. (280mm) Diameter x Height
*Bell requires 2 D batteries (not included)

*These are laboratory items designed to be used in the laboratory only. Our products are not designed for Children under the age of 12.