Product Code: CHINALSCHOOLS8600011
Categories: School Physics Electromagnetic Lab
Vacuum Bell Jar Suppliers in China
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)
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