The invention is a dampener for mounting near {HEAD ~ the end} of {TAIL ~ a rotatable shaft} 
of
The invention is a dampener for mounting near { HEAD ~ the end } of { TAIL ~ a rotatable shaft }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL