Bell in Vacuum Jar, Each
 
                                
                            
                        
                            
                            
                                $ 80.66
                            
                            
                            
                        
                        
                        
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Details
Demonstrate that sound requires air to travel through using the Bell in Vacuum Jar set, where you can slowly decrease the air inside and hear the sound disappear. The electric bell operates on 4-6V DC.
Additional Information
| SKU | 10556606 | 
|---|---|
| UOM | Each | 
| UNSPSC | 24112602 | 
| Manufacturer Part Number | PH0176CN8 | 
