{HEAD ~ Apparatus} for creating and scanning the illuminated strip 20 includes a pair of line source illuminators 43, 43, {TAIL ~ a pair} of focussing reflectors 42, 42, and a pair of scanning mirrors 45, 45 
includes
{ HEAD ~ Apparatus } for creating and scanning the illuminated strip 20 includes a pair of line source illuminators 43 , 43 , { TAIL ~ a pair } of focussing reflectors 42 , 42 , and a pair of scanning mirrors 45 , 45
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH