There's a hammer inside of the gong that moves via a couple of magnetic contacts to hit the gong, and over time, the motor
quit working because of fatigue.
These bells are quickly disappearing in favor of electronic bells.

 

 

LAST UPDATE:
8/23/2006

 

LAST UPDATE:
9/12/2009

 

LAST UPDATE:
9/12/2009

 

LAST UPDATE:
8/23/2006

 

LAST UPDATE:
9/12/2009

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