75416134
Jan 12, 1998
C-Daylight Glasses are worn by an individual in order to color correct their view to an approximate illuminant C @ ( 6400-7000 K) color temperatures when using a 60 w 75 w, or 100 w household bulb as a source of illumination C-Daylight Glasses are designed for use with human clinical color vision testing and other visual tasks requiring color correction of tungsten illumination to daylight
Electrical and Scientific Apparatus