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