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