Inside Out Library
A study of direct and indirect illumination (1912)
Simons, Alexander McDougall · leaf 108
Fig. 17a Indirect lighting distribution for Room No.3 j ^) Points at which ilumination was measuredX A Lamp clusters (2-100 watt lamps each Scale 1= 5Lighting · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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