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Brightness and Brightness Meters A H Taylor 119 v
See Natural Lighting
March 1942 NUMBER
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A. H. Taylor Accidents per million American Standards Association angle Attendance average illumination blackout lighting brightness ceiling cell cent Chairman Chapter Meeting Date Chart Cleveland color Committee cost curves daylight Defense Detroit diffusing display effect efficiency Electric Company factor feet field filament fixtures fluorescent lamps fluorescent lighting footcandles footlamberts glare source glass Home Lighting Illuminating Engineering Society incandescent inches increased Industrial Lighting installation light sources lighting equipment lighting practice lighting system Luckiesh and Frank lumen luminaires Manufacturing Matthew Luckiesh measurements meter million vehicle miles molding mounting height National Nela Park night accidents Ohio operation pedestrian photometry Place plastic present Presiding Officer problems production Purkinje effect reflection-factor reflector REGION Residence Lighting Forum safety Section Meeting Date Service street lighting Subject surface Table temperature tion traffic tube tungsten tungsten-filament ultraviolet units values visibility visual window wiring