Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 27
s is placed in the centre of theroom. The model usually takes upa position under the chandelier, andthe students group themselves roundthe room as they desire, the seats and within wide Hmits, and the depth andsharpness of shadows can be alteredat the same time. This is considereda useful thing to… … Fig. .3.-AVood workshop lighted by fourteeu Tungsten Lamp.s and Holophane Reflectors.The consumption is roughly 08 watts per square foot, tlie illumination produced onthe working plane s foot-candles. desks being movable. As much as15 foot-candles can be obtained in thecentre of the room where the…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
