Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 262
tional X-Ray ReflectorCompany of Chicago refer to twoexamples of an ingenious modificationin indirect lighting units. It has sometimes been objected thatthe opaque bowl, seen immediately undera brightly lit ceiling, is a drawback to this way an effect similiar to semi-in-direct lighting is produced… … METAL em 1LVEREDGLA5SREFLECTORLAMP FOft/LLUMmATING GLASS BOVILNsuASS BOWL.X-Eay Indirect Lighting Unit with LiuuinousGlass Bowl.
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
