As can be seen in FIGS 1 and 2, close to the upper portion of the pivot 19 is {HEAD ~ a cylindrical section} 25 off centre with respect to {TAIL ~ the axis} of rotation of the pivot 
As can be seen in FIGS 1 and 2 , close to the upper portion of the pivot 19 is { HEAD ~ a cylindrical section } 25 off centre with respect to { TAIL ~ the axis } of rotation of the pivot
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH