Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 461
artificial Ught, showuig the nature ofthe illumination. These are reproducedin Figs. 1, 2, 3, and 4. Fig. 1 shows a general view of thefixture used in the auditorium. Thediameter of the huge suspended reflectorbowl is 7J ft., and it contains tungstenlamps consuming in all 5,000 watts.As the ceiling… … Fig. 1.—Large indirect lighting unit suspended in the auditorium. INDIRECT TUNGSTEN LIGHTING. 433
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
