a color display device of the type wherein {HEAD ~ the color} of {TAIL ~ light} emitted by a phosphor screen is changed in accordance with an electron accelerating voltage applied thereto 
of
a color display device of the type wherein { HEAD ~ the color } of { TAIL ~ light } emitted by a phosphor screen is changed in accordance with an electron accelerating voltage applied thereto
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH