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