According to a specific embodiment of the invention, an incandescent lamp, or bulb, is used to create an incoherent light beam which is projected into {HEAD ~ a light entering region} of {TAIL ~ the beam directing member} 
of
According to a specific embodiment of the invention , an incandescent lamp , or bulb , is used to create an incoherent light beam which is projected into { HEAD ~ a light entering region } of { TAIL ~ the beam directing member }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL