FIG 1 shows the damper from the exterior while FIGS 2 to 5 show {HEAD ~ the damper} in {TAIL ~ longitudinal cross section} showing variations in construction which will be referred to further later 
in
FIG 1 shows the damper from the exterior while FIGS 2 to 5 show { HEAD ~ the damper } in { TAIL ~ longitudinal cross section } showing variations in construction which will be referred to further later
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH