In {TAIL ~ another embodiment}, {HEAD ~ an electrical generator} mounted on the pendulum is rotated by a drive gear engagement of the generator shaft with a drive gear mounted on said axis and fixedly attached to the housing 
In
In { TAIL ~ another embodiment } , { HEAD ~ an electrical generator } mounted on the pendulum is rotated by a drive gear engagement of the generator shaft with a drive gear mounted on said axis and fixedly attached to the housing
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH