The apparatus includes {TAIL ~ a pair} of laterally extending illumination lamps and a pair of trough shaped reflectors for collecting light from the illumination lamps and focussing one dimensional images of {HEAD ~ the lamp filaments} along a common line extending across the document 
The apparatus includes { TAIL ~ a pair } of laterally extending illumination lamps and a pair of trough shaped reflectors for collecting light from the illumination lamps and focussing one dimensional images of { HEAD ~ the lamp filaments } along a common line extending across the document
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH