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Candlepower Distribution Curve 7
Color and Colorants
2 other sections not shown
angle average beam blue brightness candle candlepower distribution curve candlepower values ceiling cell cent Chart Coefficient of Utilization color temperature colors of light convex lens cosine DIFFUSE REFLECTION direct component distance dominant wavelength energy equal feet filament lamps fluorescent lamps flux footcandle level footlamberts ft-L G F F G G F horizontal component horizontal footcandles inches incident light Indirect instrument inverse square law isocandle Lambert's cosine law Lamp Lumens lens level of illumination light meter light source lighting system lighting unit LUMENS PER UNIT luminaire luminous luminous flux luminous intensity materials measured method mounting height multiplied nomographs obtained photometer plane plate projectors ratio rays reading reflection factor reflector Room Index rows samples scale shadows shown in Fig spacing spectral specular sphere steradian surface Table tion transmission factor transmitted vertical illumination visible wall wavelength white glass work-plane Zonal Constant zone