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Practical Lighting Systems and Calculations
Tables for Illumination Design Calculations
2 other sections not shown
angle angle of incidence Arc lamps ARCHITECTURAL LIGHTING Argand Burner argon axis Beam Units building bulb burner candle Cathode Lamps ceiling century COILED COIL Cold Cathode column dark Daylight Depreciation Factor DIFFUSED REFLECTION diffusing glass DIRECT DIRTY Discharge tubes effect efficiency Electric Lamp Manufacturers employed Enclosed fittings F F F FAIRLY CLEAN filament lamps flame floodlight projector floodlit foot-candles gives glare heat Hot cathode illumination intensity incident light incident ray indirect lighting installations lamp lumens light emitted Light Flux light source lighting fittings Lighting Service Bureau low pressure lumens per watt MILLIMETRE o o o o obtained opal glass PAINT Parabolic Reflectors Plane Polar Curve PORTLAND STONE radiant energy recommended reflection factor reflectors SCIENCE MUSEUM SEMI-INDIRECT AND INDIRECT SPACING surface Table tinder total lumens TRANSMISSION tungsten filament lamps type of lighting Utilization Factor vacuum values visible voltage Walls fairly wattage wicks yellow