A study of direct and indirect illumination (1912)
Simons, Alexander McDougall · leaf 100
in … Fig. 15a Indirect lighting distribution for Room Mo.l * ^) Points at wMch illumination was measured X A Lamp clusters (2-100 watt lamps each)Scale 1= 5
Lighting · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
