Light and Lighting and Environmental Design, Volume 60Illumiating Engineering Society, 1967 - Lighting |
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aluminium anodised application architects artificial lighting Atlas Lighting brightness building calculation ceiling cent Centre colour temperature columns cost daylight Derek Phillips diffuser distribution effect electrical Engng exhibition factor floodlighting floor fluorescent fittings fluorescent lamps flux ft-L give glare index glass Group heat Illum ILLUMINATING ENGINEERING SOCIETY illumination levels interior lighting lanterns LIGHT AND LIGHTING light output light sources lighting design lighting engineers lighting equipment lighting fittings lighting installations Limited lm/ft² London London SE1 louvers lumen luminaires luminance luminous efficacy luminous flux maintenance manufacturers measurement ment mercury lamps method opal operation Osram Osram-GEC panels plastics Price production radiation range ratio Reader reply service recessed recommendations reflector sodium lamps spectral power distribution standard street lighting surface switch temperature tion tube tungsten tunnel units visual wall Westminster Bridge Road window York House