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SM-3885 Quantity per Case 1
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Made from premium borosilicate glass with superior heat and chemical resistance
In **industrial labs**
output at another end on the front panel
Buy Bell in Vacuum Apparatus – ESAW PSWO-3006 | Physics Lab Demonstrator esaw eec-9871 stabilized power supply variable 0-5V 1A SM-3885 Quantity per Case 1The ESAW Bell in Vacuum Apparatus (Model PSWO 3006) is an essential educational tool used to demonstrate how sound requires a medium to travel. This physics demonstrator is ideal for practical demonstrations in classrooms, colleges, science labs, and engineering institutions worldwide. With a glass bell jar mounted on a robust base and an electric bell suspended inside, this setup allows educators to clearly showcase sound propagation in air versus