A study of direct and indirect illumination (1912)
Simons, Alexander McDougall · leaf 110
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= 5 … U. OF I. B. S. rcRW 3
Lighting · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
