Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 248
Illustrating the effect of metal reflectors which arc apt to leave the top of theroom in comparative darkness unless supplementary general illumination isprovided. … With glass-top metal reflectors the ceiling receives just enough transmittedlight to eliminate severe contrast with the brightly-lighted reflector below. Two illustrations showing the effect of Metal Glass-TopReflectors in diminishing the Contrast between the lightedsurface of the reflector and the…
Lighting
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
