Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 429
idditKjh Hall The photograph of the StudentsCommon Room has already been given inFig. 1. The actual number of lampsinstalled in this room is ten, of the50-watt-tungsten type, with a meanspherical intensity of 35 candles. Theaverage illumination is about 2*6 candle-feet,whereas, according to curves… … Fig. 3.—The Library, Hiddingh Hall, S. AfricanCollege, Cape Town. Fig. 4.- -Physiologica] Lecture Room, 8. AfricanCollege, Cape Town. small until further experiments arecarried out which tell us exactly whatdiffusion is needed for the recognition offine details, and before instruments aredevised…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
