Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 119
the selection of thesystem, for we consider the relativeefficiency of the diiect, semi-indirect, andindirectprinciples, but often forget their may be secured by the judicious selectionof fixtures, strength of illumination,and use of colour. These considerationshave been dealt with from the…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
