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Effectiveness of indirect illumination (1909)
Arnold, Ross Harper, Hadley, Homer Langdon · leaf 46
U- OF I. S ^. FORM … U. OF I. S, S, FOBM 3 19 INDIRECT SYSTEM—V.hRYING UEIGHT. 20 below ceiling, . ^-BARE V/ALLS- No, ABCDEPGH 1 0.55 0.75 0.94 1.14 1.12 0.90 0.74 0.54 2 0.72 1.00 1.36 1.70 1.72 1.32 0.98 0.68 3 0.81 1.26 1.86 2.r7 2.28 1.80 1.24 0.80 4 0.85 1.40 2.00 2.60 2.58 1.94 1.37 0.83 5 0.82 1.25 1.82 2.25…Lighting · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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