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