{HEAD ~ 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 the lamp filaments along a common line extending across the document 
{ HEAD ~ 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 the lamp filaments along a common line extending across the document
HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH