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Comparison of indirect and direct illumination (1912)
Habrylwicz, Valentine Bernard, Kailer, Frank Spencer · leaf 74
7 7 7 2, 3, 6, 7 7 7 7 9, 10, 15, 16 13, 14 11, 17 12,18 A 1.440 0.250 1.04 0.07 0.63 0.080 I 0.250 1.440 1.04 1.04 0.06 0.030 C 0.080 0.250 0.07 1.04 0.04 0.010 * D 0.010 0.030 0.04 0.07 0.02 0.005 E 0.370 0.110 0.25 0.05 0.63 0.63C F 0.110 0.370 0.25 0.25 0.06 0.060 Gr 0.025 0.110 0.05 0.25 0.04… … Photometric Curve.Extensive Type Reflector with6 O Watt Tungsten L amp.Interior lighting · Lighting · School Buildings · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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