EISCO Bell in Vacuum Jar - Acrylic, 4-6V DC
This is a special order item and delivery can take up to 90 days. Please request a quote for lead time.
Manufacturer ID - PH0176CN8
Demonstrate that sound requires air to travel through with the Bell in Vacuum Jar set. Slowly decrease the air inside and hear the sound disappear. Electric bell operates on 4-6V DC.
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