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CHAPTER PAGE 1 Introduction
Objective Specification of Illumination
Subjective Specification of Illumination
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aluminum application approximately beam brightness building candle candlepower cavity ceiling cell circuit color temperature colored light considered cost cove daylight dddddddddd determined diffusing direct distance distribution curve effect efficiency Electric energy F G H feeder Figure filament floodlight fluorescent lamps flux foot-candles foot-Lamberts ft-c ft-L gives glare glass blocks horizontal Ilium incandescent lamp indirect lighting installation light source lighting equipment lighting system load located louver lumen output luminaire luminous elements luminous flux luminous intensity manufacturing material measurements mercury mercury-vapor lamps meter method motor National Electrical Code necessary normal obtained operation outlet panels pattern photometer plane point source power factor problem produce projectors radiation ratio reflection factor reflector room index semi-indirect shadow shows solid angle spacing specific spectral square standard surface Table tion Trans transmission uniform units utilization factor values vertical voltage drop wall Watts wavelength wire zone